Stepping conveying device for battery charging water tank

The stepping conveying device for the battery charging water tank comprises a water tank body, a guide rail supporting frame is fixedly installed at the lower end in the water tank body, fixed guide rails are fixedly installed at the upper end of the guide rail supporting frame, a movable guide rail is arranged between the fixed guide rails, and the movable guide rail is fixedly installed on the guide rail supporting frame. Guide edges are fixedly installed at the upper ends of the two sides of the inner wall of the water tank body, and a propelling water pressure cylinder is fixedly installed between the guide rail supporting frames at the lower end of the interior of the water tank body. The cylinder body can be fixed, and water is injected through the water inlet hole in one end, so that the internal piston can jack the bearing at the upper end, and meanwhile, the water pressure cylinder top plate is driven to jack up, so that the storage battery placed at the upper end of the movable guide rail is jacked