Lifting device for substation maintenance

The hoisting device comprises a base, the top of the base is fixedly connected with a first telescopic air cylinder, the output end of the first telescopic air cylinder is fixedly connected with a supporting plate, the left side of the supporting plate is fixedly connected with a first L-shaped support, and the left side of the upper end of the first L-shaped support is provided with a stepping motor; an output shaft of the stepping motor is fixedly connected with a threaded screw, and the left end of the surface of the threaded screw is in threaded connection with an inner threaded sleeve. Through the arrangement of the base, the containing groove, the universal wheels, the second telescopic air cylinder and the movable plate, the device can reach the state of being convenient to move or stand, the maneuverability and stability of the device are effectively improved, and through the arrangement of the first L-shaped support, the stepping motor, the threaded screw rod, the inner threaded sleeve and the second