臂架是河北升降货梯http://www.rgsjpt.com/主要的受力部件，臂架的运作决定了货物或者是人位置的移动，河北升降货梯臂架可以缩、同步伸缩、独立伸缩等。
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.

河北升降货梯http://www.rgsjpt.com/臂架顺序伸缩是一种顺序伸缩，同步伸缩就是设备上的各个节臂以相同的形成比率同时伸缩，并没有谁先谁后，而独立伸缩是一种比较难理解，和最复杂的伸缩方式，河北升降货梯上的动作之件没有联系，可以独立完成不同的动作。
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.