Precise linkage dual-output worm and gear speed reducer

The utility model discloses a precise linkage dual-output worm and gear speed reducer which comprises a main body module, a synchronization module and a speed reduction module. The motor is arranged on one side of the box body, a shaft of the motor extends into the box body, the cover body assembly is installed at the top end of the box body, the bottom plates are fixed to the inner top wall and the inner bottom wall of the box body, the supporting plate is fixed to the inner wall of the box body, and the box body is rectangular and used for protecting the synchronous module and the speed reduction module. The box body is provided with a plurality of gears, the gears are arranged in the box body to prevent external dust from entering the box body and scattering on the gears to increase friction force between the gears and damage a speed reducer, a rectangular groove is formed in the top end of the box body, and the cover body assembly is installed on the inner wall of the rectangular groove and comprises a re