Electric drive system test bench

The utility model discloses an electric drive system test bench comprising a detection bench, the surface of the detection bench is fixedly provided with a mounting plate, the bottom end of the detection bench is fixedly provided with a support frame, the surface of the detection bench is provided with a horizontal sliding groove, and the horizontal sliding groove is internally slidably connected with a horizontal sliding block capable of moving left and right. The surface of the horizontal sliding block is rotatably connected with a friction block through a torsion spring, the top end of the horizontal sliding block is movably connected with a square vertical sliding block capable of moving up and down, a positioning block is fixedly installed at the top end of the square vertical sliding block, a positioning groove is formed in the upper surface of the detection table, and a threaded hole is formed in the surface of the detection table. A second threaded rod is in threaded connection with the interior of th