Dismounting and mounting device for inner bushing and outer bushing

The utility model discloses a device for disassembling and assembling inner and outer bushings, which solves the problems that the structure is complicated, the operation is inconvenient, and the device is not suitable for disassembling and assembling inner and outer bushings with different sizes when the inner and outer bushings are disassembled and assembled in the prior art. The device comprises a supporting plate, two kidney-shaped holes which are symmetrically arranged along the center line are formed in the supporting plate, and double-end studs are correspondingly inserted into the kidney-shaped holes and fixed through an upper nut and a lower nut. The device further comprises at least one hydraulic jack, and the rear end of the hydraulic jack is detachably connected with the supporting plate. The device is extremely simple in structure, small in size, low in cost, easy and convenient to operate, high in disassembly and assembly precision, simple and convenient in method and capable of being flexibly s