Disassembly and assembly device for well cementing plunger copper sleeve

The utility model relates to maintenance on cementing equipment of an oil field, in particular to a disassembly and assembly device for a well cementing plunger copper sleeve. The technical scheme is that the disassembly and assembly device for the well cementing plunger copper sleeve comprises a guide part and a push-pull linkage part, wherein the guide part adopts a guide pipe, the front end of the guide pipe is provided with a screw thread connected with a pump, and the rear end of the guide pipe is provided with a plurality of guide connection rods for being connected with the push-pull linkage part. The push-pull linkage part comprises a push-pull disk, a push-pull plate and a push-pull rod, wherein a plurality of holes matched with the guide connection rods are formed in the push-pull disk, one end of the push-pull rod is connected with the push-pull plate, the other end of the push-pull rod is connected with the push-pull disk, a through hole is formed in one end of the push-pull rod connected with the