Large-torque high-efficiency double-motor double-speed-change rotary power head

The large-torque high-efficiency double-motor double-variable-speed rotary power head comprises a base, a containing cavity is formed in the base, a fixed bottom plate is fixedly connected to the bottom of the containing cavity, a rotating shaft is rotationally connected to the fixed bottom plate through a first bearing, a rotating disc is fixedly connected to the top end of the rotating shaft, and the rotating disc is movably connected to the upper portion of the base. The large-torque high-efficiency double-motor double-speed-change rotary power head is different from the prior art, when one driving motor breaks down, the whole rotary power head can continue to work, the working efficiency is improved, and the rotary power head is independently controlled and driven by the two driving motors, so that the large-torque high-efficiency double-motor double-speed-change rotary power head is suitable for large-torque high-efficiency double-motor double-speed-change rotary power head. And finally, through the arra