Net belt conveyor stainless steel mesh belt deviation method

Net belt conveyor stainless steel mesh belt deviation method

The mesh belt conveyor is a continuous conveying machine which takes the mesh belt as both the traction mechanism and the bearing mechanism. The mesh belt conveyor has large transportation capacity, long transportation distance, small working resistance, low power consumption, small breakage during transportation, small coal consumption, reduced coal dust and energy consumption, and thus widely used in coal mines. The main transportation lanes. When the mesh belt conveyor is running, the belt belt deviation is the most common fault. When the belt belt runs lightly, it will cause the material to be removed and the belt to wear. However, due to the friction between the belt and the frame, the belt will be torn, burnt and even burned. Caused a fire, causing the entire production line to stop production.

The mesh belt conveyor plays an important role in the lifting and transportation of the coal mine. The deviation of the mesh belt conveyor belt belt occurs during the material transportation process, which is the main reason for the wear and tear of the mesh belt. Net belt conveyor manufacturer Ningjin Weinuo Net Chain Machinery Manufacturing Co., Ltd. through the analysis of the form of the belt belt deviation, the cause of deviation and the treatment method during the use of the belt conveyor, summed up the deviation of the belt belt After the centralized solution, for users to learn.

Net belt deviation is one of the most common belt conveyor failures. The so-called mesh belt deviation refers to the phenomenon that the mesh belt runs abnormally when the mesh belt exceeds the allowable range specified by the technical specification during the operation of the mesh belt conveyor. The technical specification requires that the mesh belt conveyor is allowed to run more than +0.05B (B is the belt width) around the end of the drum or the trailing roller.

There are several forms of conveyor belt deviation: (1) partial deviation; (2) full-length deviation; (3) no deviation when no load, deviation when loaded; (4) deviation of mesh belt joint .
The adjustment is made for the cause of the deviation of the mesh belt conveyor belt. For the deviation caused by the installation error, the installation error must be eliminated first. The reconnection of the reconnection of the mesh belt connector must be reinstalled if the rack is seriously skewed. The main adjustment methods for running deviations are:

(1) Causes of local deviation and processing. The entire belt is always running in a fixed section. After running this section, the belt automatically returns to the normal position: 1 can adjust the roller set under the deviation To adjust the deviation, since the mounting holes on both sides of the roller set are long holes, which side of the mesh belt is biased, which side of the roller set moves forward toward the advance direction of the mesh belt, or the other side moves backward; 2 installation The self-aligning roller set is generally an intermediate rotary shaft type adjusting roller set. The principle is to block the roller in the horizontal direction or generate lateral thrust to make the mesh belt automatically achieve the purpose of adjusting the deviation of the mesh belt.

(2) The tension of the two sides of the treatment belt with the full-length deviation is inconsistent. When the belt is running, the length of the belt will be shifted to one side: 1 The installation position of the adjustment roller must be perpendicular to the length of the belt conveyor. If the center line of the direction is too large, the deviation will occur. If the head roller, such as the mesh belt, is deflected to the right side of the drum, the right bearing housing should move forward, opposite to the left; the tail roller The adjustment method is just the opposite of the head roller; 2 adjust the tension roller, when using the screw tension or the hydraulic cylinder to tension, the two bearing seats of the tension roller should be translated at the same time to ensure that the roller axis is perpendicular to the longitudinal direction of the mesh belt. To which side of the belt is deflected, the spiral tension on the side or the hydraulic cylinder should be tightened; 3 in the return section of the belt conveyor, especially the head and the tail of the machine are placed several sets of anti-running roller sets. This can effectively prevent the net belt from deviating.

(3) No deviation when no load, deviation when loaded: 1 The distance of the transfer point is close to the mesh belt. The lower the relative height, the larger the horizontal velocity component of the material, and the greater the lateral impact on the mesh belt. At the same time, the material is also difficult to center, so that the material on the cross section of the mesh belt is skewed, and finally the mesh belt runs off. If the material is biased to the right side, the mesh belt runs to the left side, and vice versa; 2 feeder There is an error in the installation of the unloader, and the resistance difference between the two sides of the mesh belt is large. The mesh belt runs away from the side where the frictional resistance is small, and the feeder and the unloader should be re-adjusted so that the mesh belt has two Uniform side resistance.

(4) The deviation of the deviation joint of the conveying joint is that the mesh belt is always biased in one direction, and the maximum deviation is at the joint. The adjustment of the joint deviation can correct the mesh belt joint and the center line of the mesh belt.

It is of great practical significance to solve the problem of the deviation of the mesh belt conveyor belt. Not only can it increase the service life of the mesh belt, but it can also prevent major accidents during the operation of the conveyor. The above-mentioned several conveyor belt belt deflection methods are simple in operation, low in labor intensity, and simple in use tools, and are several economical and practical methods for adjusting the deviation of the belt belt.

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