Lifting device for fire-fighting construction

The utility model discloses a fire-fighting construction lifting device, including vertical pole and work box, the vertical pole and work box are provided with the lifting structure, the lifting structure includes: inner cavity, slot hole, first motor, screw, lift frame, support portion and adjusting portion, the inner cavity is opened in the vertical pole, the first motor is fixed in the slot hole, the screw is fixed in the support portion, and the adjusting portion is fixed in the vertical pole. The long holes are formed in the surfaces of the two opposite sides in the inner cavity, the first motor is fixed to the bottom of the vertical rod, the screw rod is rotationally connected into the inner cavity and connected with the output end of the first motor, the lifting frame is connected to the screw rod in a threaded sleeving mode, the supporting part is arranged at the lower end of the vertical rod, and the supporting part is arranged on the lower end of the vertical rod. And the adjusting part is arranged