臂架是河北升降貨梯http://www.qdysj.net/主要的受力部件，臂架的運作決定了貨物或者是人位置的移動，河北升降貨梯臂架可以縮、同步伸縮、獨立伸縮等。
Shandong lowering a boom main force member, boom operation determines the movement of goods or persons location, Shandong lowering a telescopic boom can be divided into sequential, simultaneous stretching, stretching and other independent.

河北升降貨梯http://www.qdysj.net/臂架順序伸縮是一種順序伸縮，同步伸縮就是設備上的各個節(jié)臂以相同的形成比率同時伸縮，并沒有誰先誰后，而獨立伸縮是一種比較難理解，和最復雜的伸縮方式，河北升降貨梯上的動作之件沒有聯(lián)系，可以獨立完成不同的動作。
Shandong lowering a telescoping boom sequence is a sequence stretching, simultaneous stretching each boom section is on the device at the same rate at the same time the formation of stretch, and not who should and who,independent of stretching is a more difficult to understand, and most complex stretching, the movement of the goods Shandong lifting each section of the arm member not linked, you can perform different actions independence.