Transshipment connecting device

The utility model discloses a transshipment connecting device. The transshipment connecting device is installed on a transport cart body provided with a conveying roller. The transshipment connecting device is characterized by comprising a bearing pedestal, a stretchy rod part and a friction extraction wheel assembly comprising a friction extraction wheel support, wherein the bearing pedestal is installed on the transport cart body, the end portion of the stretchy rod part is connected with the bearing pedestal through a pin shaft, the tail of the stretchy rod part is connected with the friction extraction wheel support through a pin shaft, and the friction extraction wheel assembly is installed on a transport cart conveying roller way on the transport cart body. Due to the pressure adjustable function of the transshipment connecting device, the service life of a friction wheel is prolonged, due to the self-adaptation function, the butt-joint installation precision of the roller way is improved, and the relia