How To Diagnose The Failure Of The Conveyor Belt System Of The Turning Modular Belt?

#turningmeshbeltconveyorsystem #transportationsystem #turingmodularbeltconveyors #flexiblemodularbeltconveyor #turningbelt #curvedmodularbeltconveyors

 

    The turning mesh belt conveyor system is a transportation system consisting of personnel, turning mesh belt conveyor and working environment. The personnel are important components of the system. Under normal circumstances, we can be divided into human cause failure, machine cause failure, external cause failure, etc. according to the direct cause of the failure. A failure caused mainly by personnel responsibility is called a human cause failure.

    Turning modular belt conveyors can be divided into three categories due to faults. Curved modular belt conveyors. Type 1 human-cause failure is the management responsibility of production management and equipment management personnel. If the overloaded production causes equipment overload, spare parts supply is not timely, the maintenance time is too long, and the equipment manufacturer's service is not in place. The proportion of failures in management responsibility is about 10% of the human failure.

    Flexible modular belt conveyor The second type of human-cause failure is the maintenance and repair personnel's overhaul responsibility failure, such as "overhaul is not in place", "the inspection class has poor quality, the machine head is buried", etc. About 28% of the failure. Turning mesh belt conveyor The third type of human fault is the operator's responsibility fault, such as "the driver is not operating properly", "the belt is pulled when the load is full", etc., such faults are more, accounting for about 60% of the human fault about.

    When the turning belt conveyor fails, the first thing we need to do is to analyze what is the fault, and then deal with it. The longest fault in the turning belt conveyor is the deviation and the belt break. If it is deviation, adjust it directly. That's it, if the belt breaks, replace the belt. Let me introduce to you the belt replacement process of the conveyor belt conveyor.

    1) Clamp the head of the conveyor belt with the fixed clamping plate, pull the wire rope and the clamp on the belt changing device to the head of the conveyor belt of the turning belt, and make the upper end of the old tape fixed by the accessory fixture provided by the belt changing device;

    2) The old mesh belt is disconnected from the tail of the conveyor belt of the turning mesh belt, wherein the down interface is easily connected with the new mesh belt;

   3) Start the up or down button on the remote control or electrical control box panel, and drag the replaced mesh belt and the new mesh belt pulled by the lower part;

    4) Continue to repeat step 1.

    5) Start the up or down button on the remote control or electrical control box panel, and drag the replaced network belt and the new network belt pulled by the lower part until all the old network belts are replaced and the new network belt is replaced. Complete the process of changing tapes.

The Roller Wear Condition Of Roller Conveyor

#conveyorrollermanufacturer #conveyorline #gravityrollerconveyorsystems #rollerforconveyor #poweredrollerconveyors

 In the working process of the light belt conveyor, the internal structure needs relevant coordination, so as to greatly improve the work efficiency, such as the development of the tray and its barrel welding module, the optimization of the shaft and its connection module, and the guarantee of the shaft and The overall coupling of the drum unit. This requires the application of the transmission theory and the analysis of the friction transmission principle. In the conveyor working module, the friction between the drive roller and its conveying can be used as the hub of different working modules to carry out the energy transfer module of different equipments, so as to ensure the effective operation of the conveyor. Due to the alternating stress of the rotating drum, the light belt conveyor may also have some work problems, such as the occurrence of drum rupture under the influence of external pressure for a long time. In order to control the drum rupture phenomenon, it is necessary to optimize the working module of the drum.

    In the work process, there are many factors that affect the rupture of the drum, such as excessive tape tension, which leads to changes in traction. In the work of the conveyor, in order to improve its transmission capacity, it is necessary to increase the tension, which also increases the positive pressure of the drum to a certain extent. As the speed changes continuously, the torque of the drum will also change, which will increase, which will also cause the drum and its parts to bend. If the working environment of the conveyor cannot be optimized, the drum will be more likely to be fractured. Case. The strength of the drum itself is not enough. The material of the selected steel plate is not good or the thickness of the steel plate is not enough, which will inevitably cause the drum to rupture. Third, the welding process of the steel plate is not good, and the welding quality is not high, which may cause cracking. Since the welding is inseparable from the structure of the drum, welding stress is generated during the welding operation. If the treatment is not good, the welding will quickly appear crack under pressure.

    If the roller is effectively optimized for wear, it will result in a decrease in strength and a breakage of the drum. There are many factors that contribute to this phenomenon, such as the wear of dirt, which affects the effective combination of the roller and its tape, which is also typical of abrasive wear. The debris of these devices is also not conducive to the control of the wear of the drum, it is easy to cause the drum to avoid the occurrence of pitting, resulting in a series of fatigue effects. Due to the chemical action of the transmission medium, the wear condition will also change constantly. For example, under the action of high temperature, the self-strength of the drum will become low. The influence of the wrap angle on the wear increases the wrap angle to improve the traction of the drum surface, further reducing the wear, but the wrap angle is not too large, because it will increase the bending fatigue of the tape, causing the damage of the tape; the friction coefficient is worn. Affecting the friction coefficient is a better method to reduce wear. At present, designers are looking for a material with high friction coefficient, stable performance and high wear resistance and high pressure ratio as the rubber surface of the drum to reduce wear.

How To Improve The Belt Conveyor Load Capacity?

#beltconveyor #beltconveyordrivewheel #drivingwheel #PUbeltconveyor #PVCbeltconveyor

   By analyzing the calculation formula of the belt conveyor load capacity, the following conclusions that can be instructive for the belt conveyor design can be obtained:

    (1) Under the condition that the width of the conveyor belt and the speed of the conveyor belt are constant, the load capacity of the belt pulley's driving wheel is mainly determined by the following factors:

    1 belt conveyor drive wheeloutput side belt tension T0

    2The friction coefficient between the belt pulley and the inner side of the belt is μ0

    3 wrap angle between the belt conveyor belt and the driving wheel

    (2) An effective way to provide the load capacity of the belt conveyor

    1 belt conveyor increases the driving wheel output side belt tension T0

    Increasing the belt tension of the output side of the driving wheel can provide the power transmission capability of the belt conveyor. However, the belt's working stress is increased after the belt tension is increased, the strength of the belt must be provided, and the belt manufacturing cost is inevitably increased, so this is not The best method, this method is generally not used in engineering.

    2 belt conveyor increases the friction coefficient between the driving wheel and the inner side of the belt μ0

    Since the maximum traction force generated by the belt at the driving wheel is exponentially increasing between the friction coefficient μ0, increasing the friction coefficient between the driving wheel and the inner side of the belt can effectively improve the load capacity of the belt conveyor. The most preferred method of engineering.

    3 belt conveyor increases the wrap angle α between the belt and the drive wheel

    The belt has an exponentially increasing relationship between the maximum traction force generated by the driving wheel and the wrap angle α. Therefore, increasing the wrap angle between the belt and the driving wheel can very effectively improve the load capacity of the belt conveyor system, which is also engineering. The preferred method. By adopting the tensioning wheel and designing the appropriate tensioning position and adjusting direction of the tensioning wheel, the belt wrap angle can be effectively increased, thereby effectively increasing the driving friction between the driving wheel and the belt. Increasing the wrap angle is also increasing the contact area between the belt and the drive wheel. Usually in the design, the gradual wrap angle of the driving wheel and the belt should be no less than 120°, and the tensioning wheel can be adjusted to 210°~230°.

    4 belt conveyor increases belt width

    Increasing the belt width actually increases the contact area between the belt and the driving wheel, thereby increasing the driving friction between the driving wheel and the belt. However, increasing the belt width not only increases the cost, but also takes up more space unnecessarily, so this method is generally not used.

    In summary, the most effective way to improve the load capacity of the belt conveyor is:

    • A sufficiently large wrap angle should be designed between the belt and the drive wheel;

    • Increase the coefficient of friction between the drive wheel and the inside surface of the belt as much as possible.

    Therefore, when designing the belt conveyor, special attention should be paid to ensure the wrap angle between the belt and the driving wheel. At the same time, the friction coefficient between the driving wheel and the inner surface of the belt should be increased as much as possible. Generally, the following measures can be taken to improve the driving wheel and belt. Coefficient of friction between surfaces:

   (1) The surface design of the driving wheel is processed into a textured surface and hardened at the same time.

   (2) Change the material pairing between the driving wheel and the belt. For example, it is a very common treatment to insert a layer of rubber on the outer surface of the driving wheel.

Belt Conveyor Modern Routine Design

#beltconveyormanufacturers #beltconveyorline #largescalebeltconveyor #conveyingequipment #shortdistanceconveyors #beltconveyors

  Belt conveyor manufacturers prefer to use long-distance, high-capacity conveyors when designing belt conveyors. The belt conveyor is considered to be economically saved in terms of land occupation, etc. Generally, the conveying method in which the conveying line is not arranged in parallel is also adopted. In a particularly important aspect, parallel two conveyings are also used, one of which is reserved, and the belt conveyor is connected in series. . When a belt conveyor in the middle fails, the entire belt conveyor line will stop the conveying work, reducing the operating rate of the entire conveying equipment. Therefore, in order to reduce the intermediate link, a long-distance conveyor can be used to replace a plurality of short-distance conveyors.

    Problems with conventional design methods for belt conveyors Conventional design methods for belt conveyors are actually a safe or conservative design approach. E.g. The selected conveyor belt safety factor and running resistance coefficient are too large, resulting in excessive motor power, wide bandwidth or high tensile strength requirements. This is not a problem for short delivery, but with the large size of the belt conveyor, these problems stand out. For example, the motor used in the design of the belt conveyor system consumes only about the actual power during operation.

    When the large-scale belt conveyor is designed by conventional methods, the investment cost of the conveyor belt is too high, the tensioning device cannot be used normally, and some conveying equipment may also have local vibration problems. Optimization method of structural parameters of belt conveyor Although the structure of belt conveyor is limited by various working conditions, the working state of the conveyor is in the state of full load normal operation. After the routine design calculation method is completed, discrete variables can be used. Optimized network method to optimize the design of belt conveyor parameters.

    The optimized objective function is the annual total operating cost of the belt conveyor. It includes annual depreciation maintenance fees and annual electricity bills for conveyor belts, rollers and rollers. Components such as racks, motors, and reducers have little effect on optimization results, regardless of their cost of delivery. The width, speed, strength, and idler spacing of the conveyor belt under the objective function. As well as the tension of the conveyor belt, etc., the tension of the conveyor belt can be determined by the angle of the drum working. So the objective function is the formula; the annual operating cost of the conveyor. In general, the structural parameterization of conveyor machinery is an optimization problem from the vegetable variable. The optimization method for discrete variables is not very mature. Especially for the optimization of the parameters of the belt conveying mechanism, since the constraints cannot be attributed to explicit functions and there are many constraints, for this reason, the grid method is used for optimization. The optimization method is to calculate the target by taking points in turn. The function value is compared to the best of the calculated points. If so, replace it with the current new minimum value, otherwise it will remain the same. This is done until all discrete points in the discrete design space are checked to obtain the best and best values. The outstanding advantage of the grid method is its reliability, but it will be excessively time-consuming when there are more optimization variables or more discrete values ​​that can be taken for each discrete variable. In order to make up for this deficiency, the optimal parameters of the belt conveyor are searched in a specific way in the optimization process. In this way, the most advantageous point is at the boundary of the feasible domain or near the boundary, thus reducing the need The point of inspection.

How To Solve The Failure Of The Power Roller Conveyor?

#rollerconveyor #thepowerrollerconveyor #powerrollerconveyorequipment #thepowergriavityrollerconveyor

 The use of the power roller conveyor is most afraid of the situation, but it is normal for each power roller conveyor to appear. It’s as if everyone is sick and has a fever, the machine will be in a state where it proves that it is either improperly operated, or that it has been working for a long time, or that the power roller conveyor is old, and the update is over. Now Xiaobian will share with you the reason why the power roller conveyor has broken the shaft. There are many reasons for this. Let's find a few situations that often appear today.

    First of all, look at the problem of the power roller conveyor equipmentitself, if it is the problem of the power roller conveyorequipment itself, that is, the design strength of the high speed shaft of the reducer is not enough, like this, the general situation will occur outside the shoulder s position. The reason why this place happens often is because there is a transitional fillet in this place, and this transition fillet is very easy to fatigue damage. If the rounded corner of this place is too small, the bearing will easily break the shaft, so we must pay attention to this place when purchasing. The power roller conveyor is to be optimistic about these subtle places.

    Secondly, when there is a broken axis, we have to check to see if the high-speed axis is not the same. Because the motor shaft and the high speed shaft of the reducer are not the same, the shaft of the reducer will be overloaded, so that it is normal to have a broken shaft. At this time we have to increase the bending moment on the shaft. Therefore, this requires us to check these things when installing, we must adjust the position, to ensure that the concentric, after maintenance, can not ignore this problem. The installation and maintenance work of the power griavity roller conveyor is to be done well, otherwise it will greatly increase our cost and reduce our profits.

    Finally, if it is a dual motor drive, it will also cause the shaft to break. This means that two motors are mounted on the same roller for driving and two reducers. This is relatively easy to break the shaft, because sometimes the selection margin is too small, the power roller conveyor will break. axis.

plastic chain conveyor for plastic bottle transmission

#waterbottlingline   #bottletransportationconveyorsandsortingsystem  #plasticchainprodutionline



Chinese factory conveyor system --- manufacturer Guangzhou Hongjiang

Do You Know How To Install The Vertical Screw Conveyor Base Motor?

#verticalscrewconveyor #screwconveyor #thespiralgroovesystem #conveyor

The vertical screw conveyor pushes the discharge end of the material to the upper part through the exciting force generated by the tank body. There are two basic movement modes of the material in the tank body: sliding motion and jumping motion. The material is subjected to three forces in the trough: horizontal thrust, upward thrust, and exciting forces that cause the material to jump or slide. To properly adjust the kinematics and kinetic parameters of the vertical screw conveyor amplitude, frequency, installation inclination, direction, etc., the material in the tank can be lifted or transported in the above manner. Since the two excitation motors have the same specifications and characteristics, and have a common rigid base, they can be self-synchronized without other mechanical connections, and can be produced in the same way as parallel-axis inertial exciters. The inertial excitation force in the vertical direction and the torsion around the vertical axis in the horizontal plane. The two kinds of synthesis are along the oblique direction, the angle between the direction and the horizontal plane, and the angle between the direction and the bottom of the spiral groove need to be calculated according to the material specific gravity, lifting height, lifting amount and the like. The exciting force generated by the motor allows the material to be transported up the spiral groove, and the vertical screw conveyor can also transport the material downward according to the user's requirements.

    The vertical screw conveyor adopts the motor as the excitation source, and has the advantages of small volume, light weight and low power consumption compared with other lifting devices. The vertical screw conveyor is a motor excitation source. It can be widely used in electric power, mining, metallurgy, building materials, chemical, fertilizer, medicine, transportation, water conservancy, railway and other industries. It is a kind of vertical spiral that can be widely used and used. Conveying machinery. This chapter mainly refers to the installation position and angle of the vertical screw conveyor base motor.

 The vertical screw conveyor is mounted on the base by two cross-mounted inertia or motor as the torsional vibration source. It can also be designed as a hanging type according to user requirements, and the motor is hung on the lower part of the body. Two adjustable eccentric blocks are respectively installed on the two shaft ends of the motor; the spiral groove system is spirally wound around the central hollow cylinder of the tower body, the bottom is connected to the base, and the hook is attached, and the whole machine is supported on the four vibration isolation springs. Therefore, the vertical screw conveyor structure is very simple, mainly consists of the following parts: motor, conveyor, and base.

    Vertical screw conveyors typically use the same frequency and amplitude as the parallel shaft, with an amplitude of 3-6 mm. The two screws of the vertical screw conveyor are installed in a cross mode, that is, two motors are respectively placed on both sides of the hoist, and the two motors have a certain angle. The angle is determined according to the material to be conveyed and the height of the lift. When the vertical hoist is raised in height and the production volume is constant, the center distance of the two motors and the width of the chute should not be too large.

    The two motors are cross-mounted under the tray, and the two motors can realize synchronous operation, and can generate the exciting force in the direction of the vertical motor axis and the twisting around the vertical axis of the spiral body. The combination of the two is a combination. The material can be transported up the spiral tank. Because of its simple structure, the vertical screw conveyor only needs to adjust the angle of the eccentric block of the motor to meet the user's needs when lifting the material, so the operation is relatively simple.

Reasons For The Broken Belt Of The Turning Belt Conveyor

#theturningbeltconveyor #beltconveyor #theproductionline #screwconveyors #turningbeltconveyors #rollerconveyors #chainconveyors #meshbeltconveyors #conveyorbelt

When the turning belt conveyor carries the material, it often has a broken belt problem and affects the conveying speed of the entire belt conveyor, which cannot reach the conveying efficiency of the production line of the production enterprise. To this end, we must find out the root cause to solve the fundamental problem. The company is a manufacturer specializing in the production of screw conveyors, turning belt conveyors, roller conveyors, chain conveyors, mesh belt conveyors and various conveying equipment parts. It has rich practical experience and technology and is discovered by technicians. 

There are several reasons for the belt conveyor belt breakage:

    1. The damage of the conveyor gear reducer, the hydraulic coupler spray or the motor reversed.

    2. Conveyor beltjoint quality problems. The joints of the conveyor belt are divided into mechanical joints and vulcanized joints. The quality of the mechanical joints is far less than the vulcanization pressure, the temperature and pressure are unevenly distributed on the vulcanized plates, the temperature and pressure holding time are unreasonably set, and unreasonable materials are used. The vulcanization process has an impact.

    3. In the transportation of the turning belt conveyor, the load of the conveyor is suddenly increased due to the involvement of other things. For example, large vermiculite or other objects of extremely high quality are actually mixed in the coal to be transported.

    4, the start-up energy and the stress change during parking are large. The start and stop of the turning belt conveyor can also cause the conveyor belt to break. It is generally best to start the conveyor under no load.

    5. The conveyor belt has its own quality, but the service life of the conveyor belt is too long. The conveyor belt is overloaded for a long time, and the daily maintenance is not in place.

    6. The material of the conveyor is unevenly distributed and the conveyor belt runs off. The turning belt conveyor has a no-load section and an overload section, so that the conveyor belt is unevenly stressed.

    In order to prevent the breakage accident caused by these reasons, in addition to manual maintenance and maintenance, it is especially important to arrange the breakage protection device along the conveyor. Because it can avoid unexpected accidents, it is always on standby. When the conveyor is in normal operation, it does not affect the material transportation. When the belt breakage accident occurs, the arranged belt protection device acts immediately, and quickly catches the conveyor belt that is broken and reduces the accident loss.

Design Of Driving Mode Of Plastic Chain Conveyor

#plasticchainconveyor #plasticconveyorchainplate #plasticchainconveyors #chainplate

 The plastic chain conveyor is a conveying mechanism driven by an electric motor, and its conveying member is a chain plate, and the transmission mechanism transmits power to the conveying member.

    At present, there are two basic transmission forms of plastic chain conveyors, one is sprocket chain transmission, and the other is direct coupling transmission of RV reducer.

    The plastic chain conveyor has large load capacity, stable transportation and good material adaptability. It is widely used in heavy industry, automobile manufacturing, parts sorting and other fields.

    In general, the conveyor of the plastic conveyor chain plate will have some problems, and if there is a problem, it needs to be dealt with immediately. Otherwise, the use of the device will become very unfavorable. Especially for plastic chain conveyors, what are the requirements for the reducer? Do a good explanation in the future.

    The neural network of the original plastic chain conveyor will vary depending on the way the neurons are linked. If the middle layer is composed of several layers, each layer of neurons can only receive the output of the previous layer of neurons. In the mutual connection network, any two neurons can be connected, and the input signal needs to be repeatedly transmitted and reciprocated between the neurons. If the change is several times, the plastic chain conveyor tends to be in a state of no disorder or enter the cycle. Shock and other conditions.

    The interface that provides the sensor device changes before it has failed. Therefore, the plastic chain conveyors of different working faces use reducers and different motor models. It is also necessary to fully determine the position of the reducer sensor device after the investigation. Due to the special environment in which the plastic chain conveyor of the working surface is located, the sensor can not prevent collision or damage. In order to ensure the damage of the sensor, sparks are generated, which will generate explosive gas and cause environmental explosion. The power supply and the signal to be supplied by the sensor must meet the requirements.

The Latest Installation Method For Continuous Hoist

 The continuous hoist is suitable for continuous conveying of powdery, granular and small block materials with large abrasiveness, such as grain, coal, cement, crushed ore, etc. The conveying height is up to 40M, with simple structure and stable operation. Pick-up type, mixed or gravity unloading, the rim adopts a combination sprocket for easy replacement, the sprocket rim has a long special service life, and the lower part adopts the gravity automatic tensioning device to maintain a constant tension. The following is the installation method of the continuous hoist:

    1. The continuous hoist is divided into two types according to the shape of the hopper: the S method - with a deep garden bottom hopper; the Q method - with a shallow garden bottom hopper

    2. The continuous hoist is divided into two types according to the upper section discharge port: X1 method - discharge port with inclined flange; X2 method - discharge port with horizontal flange

    3. The form of the inlet section of the continuous hoist is divided into two types: J1 method - the slope of the inlet is 45 degrees from the horizontal plane; J2 method - the slope of the inlet is horizontal 60 degree angle

    4. The continuous hoist is divided into four types according to the position of the side inspection door of the middle casing: K1 method--the lower side left inspection door on the side of the middle casing; K2 method--the lower side of the middle casing with the lower right view Door; K3 method - the upper side of the middle casing with the upper left inspection door; K4 method - the middle casing side with the upper right inspection door

    5. The continuous hoist is divided into two types according to the position of the inspection door at the end of the middle casing: Z1 method--the end of the middle casing has the lower inspection door; Z2 system--the middle casing end with the upper inspection door

    6. According to the transmission device, the relative position of the continuous hoist is divided into two types: left installation - transmission on the left side; right installation - transmission on the right side.

Technical Parameters Must Be Known When Selecting Various Conveyors

#conveyorconveying #beltconveyors #theconveyor #conveyorbelt #conveyorline

1. Conveyor conveying capacity: The conveying capacity of the conveyor refers to the amount of material conveyed per unit time. When transporting bulk materials. Calculated by the number of pieces delivered per hour. The conveying speed is increasing day by day. However, belt conveyors operating at high speeds should pay attention to vibration, noise, and starting and braking problems. For conveyors that use chains as traction parts.

     2. Conveyor conveying speed: Increasing the conveying speed can improve the conveying capacity. When the conveyor belt is used as the traction member and the conveying length is large. The conveying speed should not be too large to prevent an increase in the dynamic load. At the same time, the conveyor speed of the process operation shall be determined according to the requirements of the production process.

     3. Conveyor component size: The component dimensions of the conveyor include conveyor belt width, slat width, hopper volume, pipe diameter and container size. These component sizes directly affect the conveyor capacity of the conveyor.

     4. Conveyor transport length and inclination: The length of the conveyor line and the angle of inclination directly affect the total resistance of the conveyor and the required power.

Equipment Flow And Assembly Driving Method For Chain Plate Transportation

#chainconveyor #plasticchainconveyor #chainconveyors #chainplate #conveyingequipment #professionalconveyorequipment #conveyorplasticchainsprocket

Chain conveyor is a kind of conveyor that uses a reciprocating chain as the traction power and a chain plate as the conveying carrier. The main plastic chain conveyor is composed of the drive operation organization, the chain, the slats, the drive and the redirection sprocket, the frame, etc. It has the characteristics of large conveying capacity and wide application range. In addition to materials with extremely high viscosity, solid materials and components can be transported by it. In particular, beverages are used to transport a wide range of PET bottles.

    Due to the particularity of its own structure, the chain conveyors then increase the strength and applicability of the transport carrier, regardless of the width or length of the unconditional assembly. The baffle and the side plates conveyed by the chain plate can also stop the interlocking pin interlocking and become one of the whole components of the conveying carrier. Chain conveyor can be divided into carbon steel, stainless steel and anti-skid chain plates. If the required product requirements are used to select different width and different shape of the chain plate to complete the plane transportation, plane turning, progress and decline, etc.

    The chain conveyor planning has adopted a series of production processes, and the planning and selection of the main structural components are of great significance. If the machine head is strong, the sprocket has high strength and wear resistance. These performance parameters make the chain plate transportation economical, high power, long life, low defect rate, and show in different working environments. Strong adaptability. However, different types of chain plate transportation have some common problems in the application process, which may affect the transmission power, but may lead to the occurrence of more serious safety accidents, and it is necessary to attract the attention of relevant operators. It is necessary for the operator to be proficient in the technical specifications to strengthen communication, improve the stability of the conveying equipment, and ensure efficient and safe operation of the materials for the production.

    Chain plate transportation Before the equipment is carried out, it is necessary to carry out specific surveys on the conditions of different working conditions, and to give a reasonable equipment plan, it is necessary for the equipment and commissioning personnel to have relevant operational qualifications to understand the structure and operation of the chain plate transportation. Principle, clear equipment flow and equipment focus. All parts, spare parts, accessories, etc. should be checked to ensure that their quality meets the planning requirements. If there is damage or deformation in the project such as transportation outside the part, it is necessary to promptly repair it. In addition, it should also have professional equipment and equipment and auxiliary materials such as lubricating grease.

    The equipment flow of the chain plate transportation is as follows: Firstly, the parts are transported to the equipment orientation and placed in order to transport the parts to the equipment orientation and placed in order → assembling the machine head, the tail and the transmission part → assembling the machine head , the tail of the machine shifting section → Align the head and the tail of the machine according to the length of the working surface, and attach the head and the tail drive part to the moving part → assemble the head and the tail drive part together with the variable limit groove → Equipment chute and chain plate → Equipment cable trough → Assemble the machine tail back to the coal cover → Finally, the equipment cooling water pipe should be connected to the gear reducer cooling equipment, and then the equipment electrical control system and tension conveyor scraper chain.

    The assembly driving method of chain plate transportation is that the loading organization and transportation are driven by one or more motives, and the linkage between the two organizations is completed. In the gathering driving method, the prime mover is placed at the conveying and discharging end, and the conveying operation is driven by the speed reducer, and the redirection sprocket is conveyed together to drive the loading and executing component operation by the left and right bevel gear reducers. This driving method is called the post-collection driving method. If the prime mover is placed on the loading organization, the power is loaded into the tissue and then transferred to the transport, which is said to have previously been driven. After the gathering of the chain conveyor drive method has the following characteristics:

   (1) The transportation system of the chain plate transportation is relatively large, the overall placement is reasonable, and the working environment of the prime mover is good;

   (2) The chain of the chain plate conveys the power, the mechanical loss is large, the amplitude of the dynamic load of the chain is large, and the chain and the sprocket are very unlucky;

   (3) The conveying plate chain conveys the material tightly, the wear is small, and the operation of the plate chain is good.

   (4) Because the chain tensioning device is at the driving end, the internal tension during the chain chain operation is large, and the chain chain tightening device is complicated.

    The characteristics of the assembly driving method before the chain plate transportation are opposite to those of the rear gathering driving method, but both have a feature together, there is no need to add a sequence operation control loop, the control loop is simple, and the reliability is high. In summary, in the case of the overall layout of the chain plate transport, the gathering drive method should be selected as much as possible.

Screw Conveyor Conveying Material Method

#spiralbeltconveyor #spiralconveyorsale #spiralconveyorsale #screwconveyors #screwconveyorconveyingmaterial #conveyingmachines

  Screw conveyors are available in a variety of ways to transport material horizontally, tilted or vertically. This type of conveyor is mainly divided into three types: shaft, shaftless and double shaft. Compared to conventional conveying machines, screw conveyors have a wide range of applications, but are not suitable for conveying easily bonded materials. Therefore, according to the principle of the conveying mechanism of the conveying machine, the screw conveyor currently has three methods for conveying materials. Let's learn together.

    1. Screw conveyor conveying material method fluid mechanics method

    For high filling rate material transportation, the bulk material can be used as the ideal fluid, and the regularity of the overall flow as the ideal fluid in the transportation process can be analyzed, and then the analysis of the free surface and pressure distribution of the material can be obtained. Note that there is an essential difference between the bulk material and the ideal fluid during transport.

    2. Screw conveyor conveying material method single particle method

    In this method, the blades of the spiral conveyor are generally used as the inclined surface of the spiral, and the material is simplified into a single particle on the inclined surface, and then the movement and force of the point are studied. Due to the limitations of the fluid mechanics method and the material group method during material transportation, this method is more common.

    3. Screw conveyor conveying material method material group method

    The material group method is mainly based on the conservation of mass, and is close to the real situation. But it does not change the volume of the material before and after the rotation, and there is actually a discrepancy. The density is calculated as the bulk density before the material enters the inlet of the screw conveyor, and the material density changes due to the high speed rotation of the spiral at the exit. Therefore, according to the conservation of mass, the material volume is also changing.

What The Reasons Of Stainless Steel Chain Plate Cracking?

#stainlesssteelchainplate #stainlesssteelconveyorchain #SSchainplate #stainlesssteelchain

The cracking property of the stainless steel chain plate is intergranular corrosion cracking, which causes cracking under the action of cold working residual stress and tensile stress during use. Intergranular corrosion is a corrosion form in which corrosion is confined near the grain boundary and the grain itself is less corroded. As a result, the grain is peeled off or the strength of the material is lowered. The mechanism of intergranular corrosion is the theory of chromium deficiency. Stainless steel chain plate stainless steel has high corrosion resistance due to chromium content, and its chromium content must exceed 12%, otherwise its corrosion resistance is similar to ordinary carbon steel. The high microhardness test results indicate that the stainless steel solid solution effect of the stainless steel chain plate is not ideal. Metallographic examination found a large amount of undissolved carbides and distributed along the intercrystalline network, indicating that the material was not solution treated, or the solution treatment temperature was not high, the time was short, the carbides were not fully dissolved, and the degree of alloying was Poor. Moreover, the heat treatment temperature is low, the chromium diffusion rate is slowed down, the chromium carbide precipitation is accelerated, and the formation of the chromium-depleted region is accelerated. Meanwhile, the chromium carbide distributed along the grain boundary exacerbates the grain boundary chromium deficiency, if the chromium content falls to 12% ( Below the limit chromium content required for passivation, the chromium-depleted zone is in an activated state, and as an anode, it forms a corroded galvanic cell with the die. The chromium-depleted zone is an anode with a small area, the crystal grain is a cathode, and has a large area, which causes severe corrosion of the chromium-depleted zone near the grain boundary.

    For stainless steel materials, intergranular corrosion is typically produced in high temperature organic acid media. The working environment of the failed stainless steel chain plate is closely related to the pollution degree of various vehicles and the type of pollutants, and the most used in cleaning is water, so the chain plate must be in contact with the organic acid medium.

    In addition, the high hardness of the stainless steel conveyor chain plate and the high carbon content of the 304 stainless steel itself will reduce the corrosion resistance of the stainless steel chain plate, and the S.S chain plate is affected by the friction between the sprocket and the transmission during operation. Stretching will increase the temperature of the stainless steel chain plate, which will also accelerate the corrosion rate of the stainless steel chain plate. Once the interlamella corrosion occurs in the chain plate, its strength is significantly reduced, so that cracking occurs under tensile stress and its own cold working residual stress. It is recommended that the manufacturer change the stainless steel chain plate material to 304 stainless steel with a lower carbon content and ensure the quality of the solution treatment of the raw materials. After this measure, the produced stainless steel chain has not cracked in use.

Belt Conveyor Motor Power Selection Method

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1. The power of the belt conveyor motor should be comprehensively calculated according to the belt bandwidth, conveying distance, inclination angle, conveying amount, and material characteristics and humidity.

    2. A belt conveyor is a machine that frictionally drives materials in a continuous manner. It is mainly composed of a frame, a conveyor belt, a roller, a roller, a tensioning device, a transmission device and the like. It can form a material conveying processbetween the initial feeding point and the final discharging point on a certain conveying line. It can carry out the transportation of broken materials as well as the transportation of individual items. In addition to pure material handling, it can also be combined with the requirements of the process in the production process of various industrial enterprises to form a rhythmic flow line.

    3. The belt conveyor is also called belt conveyor. The conveyor belt moves according to the principle of friction transmission. It is suitable for conveying powder density, less than 1.67/ton/m3, and easy to extract powder, granular and small pieces. Materials and bagged materials, such as coal, gravel, sand, cement, fertilizer, grain, etc. The belt conveyor can be used in the ambient temperature range of -20 ° C to +40 ° C, and the material temperature to be sent is less than 60 ° C. The captain and assembly form can be determined according to user requirements. The drive can be used with an electric roller or a drive with a drive frame.

A Few Tips On Adjusting The Belt Conveyor Belt Deviation

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The belt conveyor has been widely used in agitation, crushing and screening equipment. During the operation of the conveyor, the belt deviation phenomenon often occurs due to various reasons, which will not only cause leakage, abnormal wear of the equipment and Damage, reduced productivity, and can affect the normal operation of the entire equipment. Therefore, it is a very important task to correctly determine the cause of tape deviation and eliminate it in time.

    The fundamental reason for the deviation of the conveyor belt is that the combined force of the external force of the belt in the belt width direction is not zero or the tensile stress is perpendicular to the belt width direction. Due to the many factors that lead to the deviation of the belt, it is necessary to solve the deviation law of the belt from the aspects of design, manufacture, installation, commissioning, use and maintenance of the conveyor: “Run tight and not run loose”, “Run high and not run low” ", "Do not run before running." That is, if the tightness on both sides of the belt is different. Then the belt moves to the tight side; if the height of the belt is different, the belt moves to the high side; if the roller bracket and the like are not installed on the vertical section of the belt running direction, but the end is in front, One end is behind (in the direction of belt travel) and the belt moves to the rear. How to adjust the conveyor belt deviation?

    1. Adjust the belt conveyortensioning mechanism. When the belt is running, if it is biased to the same side under both no-load and heavy-load conditions, the tightness on both sides of the belt is different, and should be based on “running tight and not running loose”. The rule of the screw or the weight of the tensioning mechanism is adjusted; if the belt runs away from the left and there is no fixed direction, the belt is slack and the tensioning mechanism should be adjusted.

    2. Adjust the belt conveyor drum method If the belt runs off the drum, it indicates that the drum is under-level, the drum is tilted axially, or one end of the drum is at the front end. At this time, the level and parallelism of the drum should be corrected.

    3. Adjust the belt conveyor roller bracket (or frame) method. If the belt always runs to one side when it is empty, the roller bracket on the side of the deviation should be moved forward by 1-2cm in the belt running direction, or The other side roller bracket (or frame) is raised appropriately.

    4. Removal of the sticking method If the belt conveyor roller and the roller are partially adhered to the material, the diameter of the belt will be increased, resulting in an increase in the belt tension at the place, thereby causing a deviation. The adhered material should be cleaned in time.

    5. Adjust the gravity method. If the belt conveyor belt does not run off when it is empty, it will always go to one side when it is heavy, indicating that the belt has been eccentric. The position of the hopper or belt conveyor should be adjusted so that the tape is loaded to prevent it from running off.

    6. Adjusting the belt method If the belt conveyor belt edge wear is severe or the belt seam is not parallel, the tension on both sides of the belt will be inconsistent. The belt should be reconditioned or replaced.

    7. Installation of the offset roller method If two sets of automatic self-aligning rollers (flat rollers or grooved rollers) are installed on the belt conveyor, the deviation of the belt can be automatically corrected. For example, when the belt runs away from the friction of one side of the small stop roller, the bracket on the side should be moved forward in the running direction of the belt, and the other side will move backwards relatively, and the belt will move backwards. Move the roller side until it returns to the normal position.

    8.Installing the limit roller method If the belt conveyor belt always shifts to one side, the limit vertical roller can be installed on the frame on the deviation side; thus, on the one hand, the belt can be forcedly reset, on the other hand The roller reduces the tension of the belt on the offset side and moves the tape to the other side.

    9. Install an automatic correcting device Install an automatic correcting device on the belt conveyor to prevent the belt from running off.