Auxiliary device for mechanical arm of bucket arm vehicle

The invention discloses a bucket arm vehicle mechanical arm auxiliary device which comprises a fixing mechanism, a mechanical arm and a grabbing mechanism, the grabbing mechanism is connected with the fixing mechanism through the mechanical arm, the mechanical arm is mainly composed of a plurality of arms hinged in sequence, and a locking mechanism and an unlocking mechanism are arranged at the hinged position of each arm. One arm is provided with an operating mechanism, and the operating mechanism is connected with each locking mechanism through a corresponding unlocking mechanism and is used for synchronously locking or unlocking the hinged part of each arm. The auxiliary device for the mechanical arm of the bucket arm vehicle is simple in structure, easy to operate, time-saving and labor-saving, and capable of ensuring that the grabbing mechanism is at the adjusted position. 本发明公开了一种斗臂车机械臂辅助装置，包括固定机构、机械手和抓取机构，所述抓取机构通过机械手与固定机构连接，所述机械手主要由多个依次铰接的手臂组成，各所述手臂的铰接处均设有锁止机构和解锁机构，一所述手臂上设有操作机构，所述操作机构通过相应的解锁机构与各锁止机构连接，