Important warehouse door main equipment integrated overlapped mechanical opening device

The invention discloses an important warehouse door main equipment integrated overlapped mechanical opening device. The important warehouse door main equipment integrated overlapped mechanical openingdevice comprises an overlapped device installation plate movably installed to the inner side face of a warehouse door, the installation plate is provided with a plurality of parallel door pin devicesmatched with door pin holes inside a warehouse door frame, the overlapped device installation plate is internally provided with a plurality of parallelly-arranged long-strip holes from top to bottom,the long-strip holes are internally provided with bearings which can be clamped inside the long-strip holes and roll in the length direction of the long-strip holes, the bearings are fixedly installed to the inner side face of the warehouse door through shafts with one ends being fixed to the inner rings of the bearings, the overlapped device installation plate is fixedly provided with a toothedbar arranged in the horizont