Battery cover pressing device with protection mechanism

The utility model discloses a battery gland device with a protection mechanism, which comprises an equipment base and an electric pressing plate, a gland operation table is arranged on the left side of the top end of the equipment base, a gland groove is arranged in the gland operation table, a pressure sensing sheet is arranged at the bottom end in the gland groove, and a pressure sensor is arranged on the pressure sensing sheet. Side vertical plates are arranged at the front end and the rear end of the right side of the top of the equipment base correspondingly, a guide transverse plate is arranged at the top ends of the side vertical plates, a sliding clamping block is arranged in the guide transverse plate, and a first pneumatic telescopic rod is arranged on the right side of the bottom end of the sliding clamping block; a connecting pressing plate is arranged at the bottom end of the first pneumatic telescopic rod, and the electric pressing plate is arranged in the limiting protection cover ring. When th