Novel torsion test bench

The utility model relates to a novel torsion test bench, and belongs to the technical field of transmission safety clutch torsion test devices. According to the technical scheme, an upper pressing plate (7) and a base (1) are arranged in parallel up and down and connected through a plurality of guide bolts (4), a fixing seat (2) is of an annular structure and fixed to the base (1) through fastening bolts (3), and a plurality of inner pin teeth (11) are arranged on the inner annular wall of the fixing seat in the circumferential direction; a first center hole and a second center hole are formed in the center of the upper pressing plate (7) and the center of the base respectively, the bottom of a gear shaft (5) is arranged on the second center hole through a positioning shaft sleeve (12), and the top of the gear shaft penetrates through the first center hole and then is in spline connection with a torque wrench (6). According to the utility model, the torsion test can be carried out on the driving gears with di