Maintenance and replacement device for phase change energy storage heat exchange equipment

The utility model provides a maintenance and replacement device for phase change energy storage heat exchange equipment, which relates to the technical field of energy storage equipment maintenance and comprises a plate trailer, walking wheels and universal wheels are arranged at the lower end of the plate trailer, a lifting device is fixedly arranged on the plate trailer, a plate frame is arranged above the free end of the lifting device, and a cushion block is fixedly arranged on the plate frame. A stand column is vertically arranged on one side of the plate trailer, the stand column is connected with a rotating shaft of the plate trailer, the stand column is sleeved with a cross beam, the cross beam is connected with the stand column in a sliding mode, a disc is arranged at the end of the cross beam, and a plurality of through holes are formed in the disc. A lifting motor is fixedly arranged on one side of the cross beam, a gear is fixedly arranged on an output shaft of the lifting motor, a rack is fixedly