Detachable walking boundary beam of medium-sized crushing and screening machine

The utility model belongs to the field of walking edge beams of crushing and screening machines, and particularly relates to a detachable walking edge beam of a medium-sized crushing and screening machine, which comprises a beam body, a chassis connecting support seat is fixedly connected to the front surface of the beam body, a supporting chain wheel support seat is fixedly connected to the top of the beam body, and the supporting chain wheel support seat comprises a seat body, a mounting cylinder and a damping mechanism. The bottom of the seat body is fixedly connected with a mounting cylinder, the bottom of the mounting cylinder is fixedly connected with a damping mechanism, the damping mechanism comprises a top plate and a hydraulic damping rod, and the bottom of the top plate is fixedly connected with the hydraulic damping rod; during use, the chassis connecting support is used for connecting the edge beam and the chassis, the carrier wheel support is supported by the beam body after connection is comple