Assembling and overhauling device for safety valve

The utility model discloses an assembling and overhauling device for a safety valve, which comprises a V-shaped block a and a clamping driving mechanism which are fixed on the upper surface of a chassis, a V-shaped block b corresponding to the V-shaped block a is fixed on the clamping driving mechanism, one side of the upper part of the chassis is also rotatably connected with a stand column, and a hoisting motor is arranged on the side surface of the upper part of the stand column. A force arm is hinged to the side, close to the center of the chassis, of the top of the stand column, a supporting column is further fixed to the side, away from the center of the chassis, of the force arm, fixed pulleys are fixed to the other ends of the force arm and the supporting column, and the steel wire rope sequentially bypasses the supporting column and the fixed pulleys of the force arm to be connected with a lifting hook. The device further comprises a control panel arranged on the stand column, and the clamping drivin