The utility model relates to a spiral assembly and disassembly tools, including workstation, dead lever and base, the workstation top is provided with the pivot, and forward and reverse motor is connected to the pivot electricity, and the motor button is connected to the forward and reverse motor electricity, and forward and reverse motor and motor button all set up on the base, and the outside cover of pivot is equipped with the cutting ferrule, the inside swing joint assembly and disassembly tools of cutting ferrule, and the workstation setting is in one side of dead lever, and the dead lever opposite side is provided with the crossbeam, and the bottom of crossbeam is provided with the pulley, and the pulley passes through lifting rope one end connecting hooks, and the other end of lifting rope is fixed at the hand crank on hand, the utility model discloses simple structure dismantles with the installation as an organic wholely, and convenient to use has guaranteed the swift of transformer dismouting, has avoided making local production of part to warp because of strikeeing the assembly, change assembly and disassembly tools wantonly, improve work efficiency, increase its practicality, this instrument is from taking hoisting accessory, and convenient operation is laborsaving, has alleviateed workman's intensity of labour, has improved the security of operation, mechanical transmission is applicable to various occasions.