拖拉机液压合拢是我国拖拉机总装配的一种比较新的工艺。拖拉机合拢是把发动机、离合器、前梁等部件组成的拖拉机前半部和由传动箱、后桥半轴壳等组成的后半部连接起来的过程。过去都是采用天车合拢。天车合拢是由天车把组装好的拖拉机后半部吊放在装配台车上,前半部吊到台车前方,靠使用撬棍和操纵天车把传动箱第一轴的花键部份和离合器的花 Tractor hydraulic close-up is a relatively new technology of tractor assembly in our country. Tractor folding is the engine, the clutch, the front beam and other components of the tractor front half and by the transmission box, rear axle axle shell and other components of the latter part of the connection process. Crane used to be closed in the past. Crane is closed by the sky crane assembled rear tractor mounted on the assembly trolley, the first half of the crane hanging in front of the trolley by using the crowbar and the first part of the transmission shaft spline part And the clutch of flowers