Abstract
Hoist and our lives are closely related, it can reduce the manual work, raise work efficiency. Bucket elevator is a widely used transport equipment. In particular, is used in the mining industry, mainly for various weights of the movements and distribution. Small elevator in their daily life also plays an important role. Hoist by the tail tightly enclosed within the device to ensure that the tail will not leak out ash. This tensioning device is to use the end of round, the end of the shaft themselves automatically tighten. Tensioning device with spacing devices to prevent the loss chain. And the common bucket elevator types, their characteristics and the principle of selection has made, this time I graduated from design to the main ZYL800-bucket elevator tensioning device and check the calculation of assembly, while aware of their Installation requirements and troubleshooting.