Rapid-rising lifting device for maintenance of power tower

The invention discloses a quick-rising lifting device for maintenance of a power tower, which comprises a lifting plate, supporting columns are fixedly mounted at four corners of the top of the lifting plate, and a first protective fence and a second protective fence are fixedly mounted among the supporting columns. The lifting plate, the first sliding rail, the second sliding rail, the limiting sliding block, the supporting column, the first protective fence, the second protective fence, the construction moving box, a box door, a groove, a buffer spring, a damper, a buffer ball, a clamping groove, a clamping plate, a supporting plate, a box body, an arc-shaped limiting plate, a supporting block, a barrel, a limiting plate, a first spring, a movable connecting plate, a limiting groove, a limiting block and a second spring are arranged; and a movable plate and a limiting paired plate are matched, so that the protection performance of the device is improved, operators are prevented from being injured during ope