Traction device

The invention discloses a traction device, relates to the field of medical instruments, and provides a safe and reliable traction device. The traction device comprises a bed end board card, a force applying device, a force display device, a steering pulley and a traction rope; the bed end plate clamp can be fixed on an end plate of a sickbed; the force applying device is located at the top end of the bed end board card and comprises a rotating shaft, a winding drum, a torsion spring, two rotating shaft seats, a crank and a rotating shaft positioning device; the two rotating shaft seats are arranged at intervals; two ends of the rotating shaft are respectively mounted on the two rotating shaft seats; two positioning flanges are arranged in the middle of the rotating shaft at intervals; the winding drum sleeves the rotating shaft, is positioned between the two positioning flanges and can rotate around the rotating shaft; the torsion spring is connected with the rotating shaft and the reel; the rotating shaft po