Introduction to jacking crane products:
The door frame structure is a U type door machine. The difference is that the legs are different. Because of special work occasions, large lifting equipment can't come into play, from the top lift door machine leg to make a few paragraphs, each leg has a thousand jin jin top lift support. After assembling the trolley and the main beam, the top of each leg is connected with the flange. Finally, install the crossbar and the big car running body.