Torque testing machine convenient to clamp

The utility model relates to the technical field of torque testing machines, and provides a torque testing machine convenient for clamping, which is convenient for reducing the displacement condition of parts during detection, and comprises a working table, a clamping mechanism and a torque mechanism are arranged at the top end of the working table, and four supporting legs are fixedly connected to the bottom end of the working table. Two of the four supporting legs are fixedly connected with two supporting strips, a protective cylinder is detachably connected between the two supporting strips, the bottom end of the protective cylinder is fixedly connected with two supporting seats, the inner side wall of the protective cylinder is connected with a connecting rod, the protective cylinder is connected with a rotating rod and two rotating columns, and the rotating columns are fixedly connected with the connecting rod. The rotating rod and the rotating columns are fixedly sleeved with a driving gear and a rotati