Dismounting method, mounting method and dismounting and mounting device for hydroelectric gate wheel shaft sleeves

The invention discloses a dismounting method, a mounting method and a dismounting and mounting device for hydroelectric gate wheel shaft sleeves. The dismounting and mounting device comprises a supporting base, two supporting rods, a crossbeam, a jack, a pushing cylinder and a plurality of spacer plates. The dismounting method mainly utilizes the dismounting and mounting device, and comprises thesteps that the dismounting and mounting device is first placed at an even position, a wheel, the used shaft sleeve of which needs to be dismounted, is then placed on the supporting base, the pushing cylinder is vertically put upon the used shaft sleeve of the wheel, the plurality of spacer plates are then placed upon the pushing cylinder, the jack is mounted on the spacer plates, and finally, pressure is applied by the jack to press the used shaft sleeve out of the wheel. The mounting method also mainly utilizes the dismounting and mounting device, and comprises the steps that the dismountingand mounting device is fir