Torque detection device for automobile seat angle adjuster

The invention relates to a torque detection device for an angle adjuster of an automobile seat, which comprises a torque sensor, a flexible coupling, a reducer, a driving motor and a torque measurement instrument. The device is characterized in that the device also comprises a fixed end of a cross fork shaft, a free end of the cross fork shaft, a petal basket of the angle adjuster, and a fixture, wherein four pin shafts of the fixture are inserted into four fixing holes at the lower end of a frame of the automobile seat and are fixed, a forkhead of the pedal basket of the angle adjuster is connected with the free end of the cross fork shaft for eliminating eccentric distance produced during the rotation, the fixed end of the cross fork shaft is arranged on a bearing support, an output shaft of the cross fork shaft is connected with an output shaft at one end of the torque sensor through the flexible coupling, an output shaft at the other end of the torque sensor is connected with the reducer and the driving m