The invention discloses a lifting device used for mounting a concentrated electric meter box on a telegraph pole. The device comprises a chassis, a fixed hoop is arranged at one end of the chassis, aconcentrated electric meter box lifting device and a fixed pulley are located on the chassis, the concentrated electric meter box lifting device comprises a driving device and a positioning device, the driving device comprises a box body fixed to the chassis and an energy storage transmission device arranged in the box body, the energy storage transmission device comprises an energy storage springarranged in the box body through an energy storage rolling shaft, a transmission gear which is arranged on the side wall of the box body and matched with the rolling shaft and a winding rolling shaftarranged in the box body and matched with the transmission gear, a brake clamp pin is located in the box body, the energy storage rolling shaft is provided with a handle, the positioning device comprises a positioning supporting frame and a clamping device, a pull rope is arranged on the winding rolling shaft, one end of the pull rope is fixed to the winding rolling shaft, and the other end of the pull rope penetrates through the box body and the fixed pulley and acts on the concentrated electric meter box. The lifting device is simple in structure, and convenient to operate, the condition that construction cannot be performed if no power source exists is overcome, and work efficiency is effectively improved.