Lifting platform for underground cable construction

A lifting platform for underground cable construction comprises four supporting legs. A supporting frame is mounted on the supporting legs, a cross tube is mounted on the supporting frame, two hanging ropes are respectively arranged on both ends of the cross tube, the upper ends of the hanging ropes are fixed on the cross tube, a lever hoist is arranged on the lower ends of the hanging ropes, the upper end of the lever hoist is connected with the hanging ropes, two sections of fixed ropes are arranged on the lower end of the lever hoist, a platform frame is arranged on the lower ends of the two sections of fixed ropes, four pulling ropes are respectively arranged on the four connecting nodes of the supporting frame, the upper ends of the pulling ropes are connected with the supporting frame, the lower ends of the pulling ropes are connected with the platform frame, a platform plate is mounted on the platform frame, and is provided with a hoisting opening, a supporting plate is arranged on the platform plate, a horizontal fixed shaft is arranged on the supporting plate, a rope roller is sleeved on the fixed shaft, a round rocking connecting plate is mounted on the end of the rope roller, the circle center of the rocking connecting plate is superposed with the rope roller, a rocking handle is arranged on the edge of the rocking connecting plate, a lifting rope is mounted on the rope roller, the upper end of the lifting rope is fixedly connected with the rope roller, the lower end of the lifting rope is fixedly connected with a hook, and the rope roller is located over the hoisting opening.