Press-in and press-out device for center pin bush of urban rail vehicle

The utility model provides a press-in and press-out device for a central pin bush of an urban rail vehicle, which can press in and press out the central pin bush of a traction beam, and comprises a pressing ring, an operating rod module, a bearing module and a supporting seat, the supporting seat is provided with a through hole; the operating rod module penetrates through the bearing module and is connected with the pressing ring. The bearing module is arranged on the pressing ring and is connected with the pressing ring; and the supporting seat is sleeved on the operating rod module through the through hole and is in threaded connection with the operating rod module. According to the pressing-in and pressing-out device for the center pin bush of the urban rail vehicle, a hydraulic machine does not need to be used, the pressing-in and pressing-out operation of the center pin bush can be completed by adopting the pressing-in and pressing-out device for the center pin bush of the urban rail vehicle, the pressin