The Traction Components and Tensioning Methods of Bucket Elevators (1)

The components of bucket elevator traction include rubber belt, ring chain, plate chain etc. In respect to TD rubberbelt bucket elevator, TH ring chain bucket elevator, and NE plate chain bucket elevator, the selected tensioning methods are different. This is due to the function of each bucket elevator is different. Currently, the common uses of tensioning methods are screw tensioning, heavy hammer lever tensioning, heavy hammer tensioning, compound tensioning etc.

1.Screw tensioning, the screw rod is installed at the bottom of machine, the nuts are fixed on the U-shaped slot of the supporting plate, the supporting plate can be adjusted horizontally by rotating the screw rod, the lower mechanical bearing is fixed on the supporting plate which can cause the lower pulley to tie up the component. This tensioning method is suitable for rubber belt bucket elevator, the rubber belt has certain elasticity which can adjust the tensioning screw rod to ensure the stability of rubber belt after being stretched.

2.The force of the heavy hammer lever tensioning is applied on the supporting plate, the lower bearing is fixed on the supporting plate, so that the lower part of the sprocket is tied up with the respective components. This is an automatic tensioning device. Since heavy hammer lever contains certain degree of mobility, therefore it must always maintain the tension of the compartment for good operation. Usually it is applied to the chain drive of the elevator. In order to have an efficient result, chain skidding and slipping off have to be avoided.

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It is published by PK machinery company.( www.pkmachinery.com)