Novel chain tightener

The utility model discloses a novel chain tightener, the utility model relates to a scraper conveyor ends the chain device. It is installed at the middle part of apron including apron, clamp plate, clamp plate, and cover plate surface installs at least three round pin axle, scraper conveyor chute bottom be equipped with and the pinhole of round pin shaft fit, the both ends of clamp plate are installed at the chute inboardly. The utility model has the advantages of it is following. 1. During the use, make up into a whole with apron, clamp plate, round pin axle triplex, inject spacing downthehole in the chute, utilize the motor to play reversal, remain the chain with the chain and pinch fall to the mesh of tight chain has been reached, this device is many half a year at the field usage, and the maintainer generally reflects manipulates safe convenience, has alleviateed the complicated working procedure of operating personnel, has alleviateed worker's intensity of labour, has protected worker's personal safety.