1、本产品适用路桥工程场所，没有固定地点，移动性较大，所以更连接部位均属铰形连接，便于拆装和运输。 

 2、桁架式起重机迎风力好，适用于阔野及山峡工地使用。

3、一般不设置工程和永久性工作基地。属阶段性使用。

4、起重机在风压≥150Pa应停止工作，并且要及时进行锚定，防止意外。

1.This product applies in the road bridge enginreering place，it has not fix location，the ambulation is bigger，so each conjuction part jion in the form of link,which easy to knocked-down and transport.

2.The pose crane wind ward is good,it is applicable to field and nek workplace usages.

3.Does not establish generally the factory work and with the permanent base.Belong to the stage usage.

4.The derrick presses in the 150 Pas of >should stop the work,and proceed the anchor on time,preventing the accident.