Belt conveyor is a kind of friction-driven machine for transporting materials in a continuous manner. It is mainly composed of frame, conveyor belt, idler, drum, tensioning device, transmission device and so on.
The traction force of the ⑴ belt conveyor is transmitted by the friction between the transmission drum and the belt, so the belt must be tightened with a tension device to make the belt have a certain initial tension at the separation of the drum.
The ⑵ tape runs on the idler together with the cargo. The belt is not only a traction mechanism, but also a load-bearing mechanism. there is no relative movement between the load and the belt, which eliminates the friction resistance between the belt and the load in operation. Because the roller is equipped with a rolling bearing, there is rolling friction between the belt and the roller, so the running resistance is greatly reduced, thus the power consumption is reduced and the transportation distance is increased. For a belt conveyor, its traction transmission capacity is determined by the tension of the belt, the wrapping angle of the belt on the transmission drum and the friction coefficient between the belt and the transmission drum. To ensure that the belt of the belt conveyor does not skid on the transmission drum and run normally, corresponding measures should be taken according to different conditions in production practice. To improve the transmission ability of traction force, we can start from the following aspects:
⑴ increases the tension (initial tension). In the operation of the belt conveyor, the belt should be elongated, resulting in a decrease in traction, so according to the situation, the belt should be properly tightened by the tension device to increase the belt tension so as to improve the traction force.
⑵ increases the coefficient of friction. The specific measures are to protect the wood lining or rubber liner covered on the transmission drum to increase the friction coefficient, on the other hand to reduce the water and coal output and prevent the friction coefficient from decreasing.
⑶ increases the wrapping angle. Due to the poor working conditions and large traction force of the underground belt conveyor, double drum transmission is often used to increase the wrapping angle.
What are the installation and commissioning process instructions and operation requirements of the mobile belt conveyor?
Installation and debugging
1. According to the disassembly and shipment of the mobile belt conveyor, the installation order of the user is as follows:
1) the front and rear racks are connected as a whole
2) install electric drum and electric control box
3) install the tail wheel
4) first assemble the wheelset and the lifting device, and then assemble the assembly with the frame
5) install each group of idlers
6) place the transport belt and make the joint
7) install spring sweeper and empty section sweeper
8) install the guide slot.
2. Install and operate according to the installation technical requirements and matters needing attention (hyperlink) of DY (elevable) mobile belt conveyor.
3. Trial operation
1) preparation and inspection before commissioning
All fasteners of ① should be fastened and not loosened.
The insulation resistance between the motor stator winding and the frame in the ② electric drum should be more than 5 trillion ohms, the grounding wire should be reliably grounded, and the lubricating oil should reach the height indicated by the oil surface line.
③ reversing rollers, rollers, lifting devices, running wheels, tail wheels and other places shall not run without lubrication.
There is no obvious obstacle for ④ to pull the conveyor belt by hand.
2) turn on the power supply for no-load trial operation, the time shall not be less than two hours.
3) during no-load test operation, the following checks shall be made:
① clicks each button, the control should be effective.
The running direction should be correct.
The temperature rise of the ② bearing is not more than 40 ℃ and the maximum temperature does not exceed 80 ℃.
The ③ idler should be in contact with the conveyor belt and rotate flexibly. If there is no rotation, you can tap the roller (axial) with a hand hammer. If it still cannot be ruled out, it should be dismantled and inspected.
④ sweeper scraper, guide slot rubber plate and conveyor belt fit well.
The ⑤ conveyor belt is loose and tight, and there is no deviation. If the conveyor belt deviates, it should be corrected according to the methods shown in Table 2, figure 5 and figure 6.
The whole ⑥ machine runs smoothly without obvious impact sound or excessive noise.
4) the following checks shall be carried out after no-load operation:
There should be no oil leakage at all lubrication parts of ①.
The fasteners of ② must not be loosened.
The whole structure of ③ should have no obvious deformation, and the performance of each part should be good.
5) full-load trial operation can only be carried out after the no-load test operation is qualified, and its procedures and inspection items are the same as above.
Operating standard
The operators of the mobile belt conveyor must be familiar with and abide by the operating rules, and have the responsibility for the operation, maintenance and custody of the machine.
(1) preparation before operation.
1) all fasteners should be fastened reliably.
2) check the lubrication of each part.
3) clean up the remains and stolen goods on the machine.
4) No person or other equipment shall be placed under the cantilever end of the mobile belt conveyor.
5) when it is found that the tire pressure of the running wheel group is insufficient, it should be inflated in time.
6) if the ground is soft and the tail wheel sinks, the steel plate or plank should be placed under the wheel.
7) the positioning pin of the pulley group of the lifting type mobile belt conveyor should be inserted.
(2) Operation and inspection after driving.
1) check according to the requirements of no-load test operation.
2) after qualified, the conveying operation can be started, and the material should be fed evenly according to the given conveying capacity. The material flow should be aligned with the guide trough and transportation.
At the center of the feeding belt, the block size of the material should not be too large, and the blanking height should not be too large.
No more than 2 meters, should keep continuous transportation as far as possible, do not have a large number of materials dumping and accumulation and other conditions affecting the work of the conveyor.
(3) stop the feeding first, unload the materials on the standby machine and then stop to clean and finish the work.
What’s the name of the car with universal wheels on the belt?
What is the name of the car with universal wheel on the belt? it is a movable belt conveyor, a three-meter high belt conveyor with one-sided walk, a belt conveyor for moving and unloading.
The mobile belt lifting belt conveyor for loading and unloading does not restrict the use of the site, and there are wheels under the belt machine, which can be moved back and forth, which is a relatively convenient belt conveyor for loading and unloading cars. loading and unloading wheat, corn, soybeans and other bulk, bags and other irregular objects, lifting belt movement instead of manual loading and unloading vehicles, improving work efficiency.
Mobile belt conveyor is a kind of continuous conveying loading and unloading equipment with high working efficiency, good use and good mobility. It is mainly used for places where loading and unloading sites change frequently, such as ports, docks, stations, coal yards, warehouses, construction sites, sand and gravel yards, farms, etc., for short-distance transportation and loading and unloading of bulk materials or individual pieces weighing less than 100 kg. Dy type mobile belt conveyor can be divided into two categories: lifting type and non-lifting type. The operation of the conveyor belt is driven by electric drum, and the lifting and operation of the whole machine are non-motorized. And there are adjustment handles on both sides of the feed hopper, trough belt conveyor, food packaging and other belt machine assembly line, telescopic belt machine and so on. The material of the climbing belt conveyor belt is: canvas belt (or nylon belt). Conveyor section number: two-section type, there is no relative movement between the material and the conveyor belt. In the working environment temperature range of-15 ℃-+ 40 ℃ to transport a variety of bulk materials with a cumulative specific gravity of 0.5-2.5t/m3, the load of the conveyor: 60 kg/m, the conveying angle that can not be achieved by the pattern belt conveyor, turning belt conveyor and other forms, belt conveyor because it has a wide range of conveying materials, conveying direction: one-way or two-way.
Large inclination belt conveyor can be used in coal, chemical industry, building materials, metallurgy, electric power, light industry, grain, port, shipbuilding, thermoelectricity and other industries to transport all kinds of bulk materials with a stacking specific gravity of 0.5-2.5t/m3 within the working environment temperature range of-15 ℃-+ 40 ℃. For materials with special requirements, such as high temperature, materials with acid, alkali, oil or organic solvents, special conveyor belts should be used. The DJ type corrugated edge-retaining belt conveyor adopts the conveyor belt with corrugated edge and diaphragm, which has the advantages of advanced technology, novel structure, optional range of inclination angle (0 °~ 90 °), large conveying capacity, small occupied area, low energy consumption, low noise, smooth belt operation, long service life, many optional types, etc., which is beneficial to the overall design and saving the overall cost. It is used in the environment where manual loading is needed, such as cement plants, so that the movement of the machine is light and flexible. It is an ideal equipment for conveying bulk materials with large inclination angle. The vertical lifting height is large, and the structure of the general belt conveyor is simple, which avoids the lifting system of intermittent and complex transportation, and the construction site is especially suitable for conveying bulk materials or box bags, so it is especially suitable for large inclination transportation.
B-type belt conveyor is a general-purpose belt conveyor. Double lift conveyor
What is the general material of the conveyor belt of the mobile belt conveyor?
Mobile belt conveyor is a kind of continuous conveying loading and unloading equipment with high working efficiency, good use and good mobility. It is mainly used for places where loading and unloading sites change frequently, such as ports, docks, stations, coal yards, warehouses, construction sites, sand and gravel yards, farms, etc., for short-distance transportation and loading and unloading of bulk materials or individual pieces weighing less than 100 kg. Conveyor belt materials are: carbon steel conveyor belt, thermoplastic chain conveyor belt, PVC conveyor belt, PU conveyor belt, polyethylene conveyor belt, plastic chain plate conveyor belt, modular network conveyor belt, polypropylene conveyor belt, nylon conveyor belt, Teflon conveyor belt, stainless steel conveyor belt. According to the needs of your products, chain plates with different widths and shapes can be selected to complete the requirements of plane transportation, plane turning, lifting, lowering and so on.
What are the categories of belt telescopic conveyors?
Belt conveyor is usually used for the transportation of loose materials or finished articles. Generally, it is divided into types and types according to the technology of conveying materials and conveyors. We have sorted out four common types of belt conveyors as follows:
Please click to enter a picture description
1. Mobile belt conveyor
Mobile belt conveyor is a kind of continuous conveying loading and unloading equipment with high working efficiency, flexible movement and good mobility. The mobile belt conveyor can design the use length and lifting height according to the actual conditions such as the conveying requirements of users, and the general conveying height can reach 1.2-1.8m according to the difference of belt bandwidth and conveying length.
two。 Large inclination angle belt conveyor
Through the free retractable rubber waveform vertical “skirt” glued to both sides of the flat rubber transport belt, and with the help of diaphragms with certain strength and elasticity between the skirt to form a box-shaped bucket, so as to realize the continuous transportation of materials in the bucket, this is the high-angle belt conveyor. In general, high-angle belt conveyor is suitable for dispersed powder, particles and fine paste and liquid materials, such as coal, gravel, limestone, sand, clay, sand sintered powder, sawdust and so on.
3. Climbing belt conveyor
Climbing belt conveyor is a kind of belt conveyor which can lift objects at a large angle by adding strips, metallurgical tools, skirts and other ways on the belt. The climbing type can not only be used for ordinary material transportation, but also can meet the special requirements of oil resistance, anti-corrosion, anti-static and so on.
4. Retractable belt conveyor
As the name implies, the difference between the telescopic belt conveyor and other conveyors is that it can achieve free expansion to control the conveying length of the belt conveyor. Retractable belt conveyor can not only achieve efficient transportation, but also can be used with other conveying equipment, so it is widely used in automatic production. It is suitable for the transportation of materials with high temperature, large weight, large volume and wear, such as ash, cement clinker, iron slag, slag, limestone, coke, macadam and so on.
The above content is to explain the characteristics of common belt conveyor types and applicable scenarios, I hope it can be helpful to you!
Which one is better for mobile belt conveyor
Fucheng Gong conveying Machinery Co., Ltd.
Fucheng help conveying Machinery Co., Ltd. is located in Cuimiao Town, Hengshui City, since its inception, relying on regional advantages, has absorbed a large number of experienced professional and technical personnel and senior engineers. Through the unremitting efforts of engineers in the field of scientific research, development and design, the belt conveyor produced is of excellent quality and beautiful appearance.
Belt conveyor is a kind of continuous transport equipment with traction, which is widely used in coal, metallurgy, mining, port, building materials, chemical, light industry, petroleum, transportation and other industries. It can be used to transport bulk, granular and bulk materials. According to the demand, you can find the relevant “belt conveyor manufacturer”.
Generally, the main parameters are determined according to the requirements of the material handling system, the various conditions of the material loading and unloading site, the relevant production process and the characteristics of the material.
1. Conveying capacity: the conveying capacity of conveyor equipment refers to the amount of materials transported per unit time. When conveying bulk materials, it is calculated on the basis of the mass or volume of materials transported per hour; when conveying items in pieces, it is calculated on the basis of the number of pieces transported per hour.
two。 Transport speed: increasing the conveying speed can improve the conveying capacity. When the conveyor belt is used as the traction part and the conveying length is larger, the conveying speed is increasing day by day. However, the high-speed belt conveyor should pay attention to vibration, noise, start-up, braking and other problems.
For the conveyor with the chain as the traction part, the conveying speed should not be too large to prevent the increase of dynamic load. At the same time, the conveying speed of the conveyor operated by the process shall be determined according to the requirements of the production process.
3. Component dimensions: the component dimensions of the conveyor include belt width, lath width, hopper volume, pipe diameter and container size, etc. The dimensions of these components directly affect the conveying capacity of the conveyor.
4. Conveying length and inclination angle: the length and inclination angle of the conveying line directly affect the total resistance and required power of the conveyor.
So much for the introduction of large mobile belt conveyors. Thank you for taking the time to read the contents of this site. Don’t forget to look for more information about large mobile belt conveyor manufacturers and large mobile belt conveyors in this site.
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