Multi-power rotary motor for drilling machine

The utility model provides a multi-power rotary motor for a drilling machine. The multi-power rotary motor comprises a main body assembly and a limiting assembly, a limiting assembly is arranged in the main body assembly; the main body assembly comprises a plate body, a T-shaped sliding block, a T-shaped sliding groove, a power head mechanism, an oil cylinder fixing base, an oil cylinder, an oil cylinder connecting base, a through groove, a groove hole and a rolling wheel. The T-shaped sliding block can be driven to move through the oil cylinder, so that the hydraulic motors can be driven to move, when the hydraulic motors move, the induction magnets corresponding to the hydraulic motors are inducted through the electromagnetic inductor, and then the oil cylinder is controlled to be started and stopped through the controller. According to the device, the hydraulic motor can be stopped at the designated position more accurately, follow-up work is facilitated, replacement work of different hydraulic motors can