Lifting device

A lifting device, wherein the lifting device comprises a base, wherein a cover plate is hinged to a front side of the base through a first shaft, and a gearbox is hinged to a rear side of the base through a second shaft;

• the gearbox comprises a housing, an input shaft is arranged in the housing, one end of the input shaft extends to an outer side of the housing and comprises a drill socket, the input shaft is configured to drive a first transmission gear through an input gear coaxially connected thereto, the first transmission gear is coaxially connected with a second transmission gear, the second transmission gear is configured to drive an output gear, the output gear is in transmission connection with an output shaft, the output shaft extends to the outer side of the housing and is connected with a rope wheel, the rope wheel is arranged between the base and the cover plate, and M pressure rollers are arranged on the base at one side of the rope wheel;
• a limiting piece passing through the base is arranged on a side of the gearbox facing the base, an extension piece is arranged at an upper end of the gearbox, the extension piece defines a guide slot, the extension piece of the gearbox is connected with a following block and a handle through a fourth shaft, one side surface of the following block defines a groove and another side of the following block is provided with a handle transmission groove, one end of the first shaft passes through the guide slot and extends into the slider groove, a handle push block is arranged on an inner side of the handle facing the following block, and the handle push block is rotatably arranged in the handle transmission groove and is configured to drive the following block to rotate along with the handle.