The back-tipping of boom of crawler crane due to sudden unloading must be considered in design of anti-back-tipping device of crawler crane to ensure the stability of the complete crane.
履带起重机在突然卸载时臂架后倾是整机稳定性和防后倾机构设计要考虑的工况。
This paper introduces the overhaul procedure of Shengang7100 crawler-type crane boom trussed pole, proposes the attention point during exchanging the crane boom trussed pole.
介绍了神钢7100履带吊臂杆桁杆的修理过程，提出臂杆更换中的注意要点，为起重机臂杆桁杆修理提供借鉴。
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