If the mismatch exceeds 3 mm, it should be adjusted by using the long mounting holes on both sides of the idler assembly.
The specific method is to which side the conveyor belt deviates, which side of the idler group advances in the direction of the conveyor belt, or the other side retreats.
(2) Check the deviation value of two planes of the mounting bearing seat of the head-tail frame. If the deviation between two planes is greater than 1 mm,
The two planes should be adjusted in the same plane. The adjustment method of the head drum is that if the conveyor belt deviates to the right side of the drum,
Then the right bearing seat of the roller should move forward or the left bearing seat should move backward; If the conveyor belt deviates to the left of the drum,
Then the bearing seat on the left side of the drum should move forward or the bearing seat on the right side should move backward. The adjustment method of the tail roller is just the opposite to that of the head roller.
(3) Check the position of materials on the conveyor belt. If the material is not in the center of the cross section of the conveyor belt, the conveyor belt will deviate.
If the material shifts to the right, the belt shifts to the left, and vice versa.
In order to reduce or avoid the deviation of this kind of conveyor belt, it is necessary to increase baffles and change the direction and position of materials. Belt deviation is the most common fault in the operation of belt conveyor, which is extremely harmful. Judging from the actual operation, the influence of deviation on the operation and production of belt conveyor mainly includes the following aspects:
A. system failure caused by deviation affects production efficiency. When the belt deviates to a certain extent, the belt will trigger the emergency stop device to prevent the operating system from stopping due to the deviation and affect the production process.
B. cause abnormal damage to the main parts of the equipment. First of all, the belt deviation increases the axial force borne by the roller and idler, which causes the roller deviation and the idler bearing damage; Secondly, the deviation of the belt causes the material to spill on the return belt, which causes abnormal wear of the belt and the drum and shortens the service life of the drum and the belt; In addition, the abnormal friction between the running belt and the bracket leads to the edge wear of the belt, which affects its service life.
C. it is easy to form security risks. Due to the serious deviation of the belt, the belt is turned over, which leads to the unilateral stress of the belt exceeding the longitudinal tension of the belt, thus causing the safety hazards such as transverse tearing of the belt.
D. pollute the environment and affect the quality of conveyed materials. Materials often cause coal dust in the process of scattering and cleaning, which pollutes the environment; At the same time, the overflow of materials also affects the quality of transported goods.