Butt-joint traction device and butt-joint traction system

The utility model provides a butt-joint traction device and a robot butt-joint traction system, the butt-joint traction device is used for connecting a first traction device and a second traction device, and comprises a traction part mounted on the first traction device and a locking part mounted on the second traction device, the traction part comprises a traction piece used for being in butt joint with second traction equipment, the locking part comprises a spring bolt used for locking the traction piece, a clamping hook used for locking the connecting state of the spring bolt and the traction piece and a lock shell used for containing the spring bolt and the clamping hook, one end of the spring bolt is rotatably fixed in the lock shell, and a clamping groove used for containing the traction piece is formed in the other end of the spring bolt. And the clamping hook is close to one side of the opening of the clamping groove in the rotating direction of the spring bolt. The butt-joint traction device can impr