Novel four-column lifting machine

The invention belongs to the technical field of lifting machines of motor vehicles, and particularly relates to a novel four-column lifting machine. The novel four-column lifting machine is better in using effect. The device comprises a main platform and is characterized in that a split approach bridge (21) is arranged at the end of the main platform, the split approach bridge (21) comprises a long approach bridge (21-5), a short approach bridge (21-6) and a connecting shaft (21-7), one end of the long approach bridge (21-5) is connected with the main platform through a welding sleeve, the long approach bridge (21-5) and the main platform (20) are each provided with a welding sleeve, a shaft (21-4) penetrates through the welding sleeves, and cotter pins (21-2) are inserted into the two ends of the shaft (21-4); the other end of the long approach bridge (21-5) is connected with one end of the short approach bridge (21-6) through a welding support lug, a connecting shaft (21-7) penetrates through the welding su