Common faults and solutions of chain conveyor chain?

The failure types of the chain loading conveyor chain have the following manifestations: the chain plate is damaged, the transmission chain comes out of the chain plate machine groove, the transmission chain falls off on the power sprocket, the connecting link is cracked, and the connecting link is damaged.

1. Most of the chain plate damage is excessive wear and bending deformation, and occasionally there is cracking. The main reasons for its occurrence are: the laying of the bottom plate of the chain plate machine trough is uneven, or the bending angle exceeds the design requirements; the joint of the chain plate machine trough bottom plate is not good, or it may be partially deformed;

2. The conveying chain comes out of the chain plate machine groove. The main reasons are: the floor of the chain plate machine groove of the chain plate conveyor was not laid flat and straight according to the planning requirements, but was uneven and excessively tortuous; The plate or chain plate machine groove is severely worn, so that the gap between the two is too large;

3. The normal engagement between the power sprocket and the transmission chain causes the transmission chain to fall off on the power sprocket, which is commonly known as the phenomenon of 'jumping teeth'. The main reasons for this are: the power sprocket is severely worn or mixed with debris; the two chains are not tight enough;

4. The connecting link is broken. The various connecting chains used by chain conveyor manufacturers are produced in accordance with relevant standards, and their breaking load is about 10 times the acceptable tensile force of the chain plate. The safety factor is large. In theory, chain breaking accidents should not occur, but in reality The failure rate of the connecting link in use is relatively high. The main reason is that it has been subjected to pulsating load for a long time, and it is fatigued and damaged when it is far below the breaking force. The fracture is generally at the transition between the arc and the straight line of the link; The quality of production does not meet the standards, and the level of materials and heat treatment is not up to standard;

5. The connecting link is damaged. In practical application, because the connecting link is usually slightly larger than the conveying chain, and the wear condition is also serious, the connecting link becomes the weak point in the whole conveying chain. Its damage forms are mainly severe wear, cracking, and swinging. The main reasons for its occurrence are: long-term pulsating load, fatigue damage; connecting pins or bolts are loose and fall off, and cannot be found and replaced in time, resulting in uneven force on the connecting link or pull off;

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