Performance test device of wind power gear box and use method

The invention relates to the technical field of gearbox experiments, in particular to a performance testing device of a wind power gearbox and a using method, the performance testing device comprises a box body, a first through groove and a second through groove are symmetrically formed in the upper wall face of the box body, a second guide rail and a first guide rail are distributed in a mirror image mode, the top end of the second guide rail is open, and the top end of the second guide rail is open. The two auxiliary devices are symmetrically arranged on the outer side of a first through groove and the outer side of a second through groove correspondingly, the power device is installed on one side of an inner cavity of the box body, the tightening device is installed on the other side of the inner cavity of the box body, the supporting device is located above the box body, and the connecting device and the supporting device are distributed above the box body in a spaced mode. The two baffles are symmetrical