Efficient heat dissipation speed reducer with local open structure

The utility model discloses an efficient heat dissipation speed reducer with a local open structure, which comprises a speed reducer body, the bottom of the speed reducer body is fixedly connected with a fixed bottom plate, one side of the fixed bottom plate is fixedly connected with a surrounding shell, one side of the surrounding shell is fixedly connected with a heat dissipation assembly, and the heat dissipation assembly is fixedly connected with a cooling fan. The heat dissipation assembly comprises a water pump frame fixedly connected with one side of the surrounding shell, one side of the water pump frame is fixedly connected with a water pump, and an output port of the water pump is communicated with a water tank through a hose. According to the efficient heat dissipation speed reducer with the local open structure, through the arrangement of the heat dissipation assembly, heat generated during work of the speed reducer body is directly conducted to the interior of flowing liquid through a water cooli