Automatic crack clearance worm gear speed reducer machine disappears

The utility model discloses an automatic crack clearance worm gear speed reducer machine disappears, including box, output shaft, automatically removed gap device, worm, worm wheel, its characterizedin that: automatically removed gap device fixed mounting is in the both sides of box, wherein automatically removed gap device is by the box, electric telescopic handle, the fixed block, the U -shapedboard, the guide arm is formed, wherein the fixed block sets up two, and symmetrical fixed mounting is on the outer wall of box, wherein two fixed blocks are arranged in the box, equal fixed mountingelectric telescopic handle in the recess of two fixed blocks, and the degree of depth that highly is greater than the recess of electric telescopic handle's dead lever, wherein electric telescopic handle and external controller electric connection, the equal fixed mounting of end that stretches out at two electric telescopic handle the U -shaped board, be equipped with the unequal ball of a plurality of intervals on the in