Assembler for pre-tightening and installing micro-seismic sensor on underground coal mine anchor rod

The invention provides an assembler for pre-tightening and installing a micro-seismic sensor on an underground coal mine anchor rod. The assembler belongs to the technical field of coal mine safety monitoring instruments and equipment. The assembler comprises an explosion-proof outer shell, wherein the explosion-proof outer shell is of an external steel bearing structure with a hollow middle partand a hole in the bottom end, and a meshing gear is loaded on the inner wall of the explosion-proof outer shell; an energy supply accessory is located in the explosion-proof outer shell, comprises a power source, a motor and a meshing gear and provides kinetic energy for rotation of the internal rotation cavity; the outer wall of the internal rotation cavity is provided with a gear which can be engaged with the gear of the explosion-proof outer shell for transmission, the inner wall is roughened, and rotation can be realized by virtue of a sliding rail at the bottom part of the outer shell andthe energy supply accesso