Mechanical lifting platform

The utility model discloses a mechanical lifting platform which comprises a bottom plate, an adjusting assembly and a lifting assembly, and a sliding groove is formed in the rear surface of a movable block; the lifting assembly comprises a second motor, the second motor is fixedly connected to the upper surface of the mounting box, an output shaft of the second motor is fixedly connected with a second threaded rod, the second threaded rod is rotatably mounted between the inner walls of the mounting box, the lower surface of the mounting box is fixedly connected with a mounting block, and the mounting block is rotatably mounted at the upper end of a movable block. The lower surface of the mounting box is fixedly connected with the mounting block, the mounting block is rotatably mounted at the upper end of the movable block, and the mounting box can be driven to rotate by taking the upper end of the mounting block as the center through the adjusting assembly, so that the height of the elevator mounting plate ca