Auxiliary disassembling tool for helicopter main blade pin

The utility model discloses a helicopter main blade pin auxiliary dismounting tool which comprises a limiter, the upper portion of the limiter is a handle, the lower portion of the handle is connected with a rotary buckle through a connecting rod, two sets of rotary arms are arranged on the rotary buckle in a central symmetry mode, the rotary arms are gradually contracted from the center to the tail end, and the plane of the rotary buckle is in an S shape. And the central lines of the handle, the connecting rod and the rotary buckle are consistent. According to the structure, sleeve structures such as the blade pin can be easily disassembled and assembled by one person, and damage to constructors or the blade pin caused by the spring clip is avoided. 本实用新型公开了一种直升机主桨叶销辅助拆卸工装，包括限制器，所述限制器上部为手柄，手柄下方通过连接杆连接旋扣，所述旋扣中心对称设置两组旋臂，旋臂自中心向末端逐渐收束，旋扣平面成"S"型，所述手柄、连接杆、旋扣三者的中心线一致。本结构可实现单人轻松拆装桨叶销等套筒类结构，并且避免弹簧夹子对施工人员或者桨叶销造成损害。