The invention discloses a helicopter cargo grounding automatic opening lifting hook, a helicopter and a hanging method, the lifting hook is crosswise hinged with the middle part of a lock catch, a torsion spring is arranged at the hinged part, and the lifting hook and the top of the lock catch are hinged with a sling through a connecting rod; a no-load lock is installed on the side face, close to the top, of the lock catch, a lock pin and a spring bolt which are perpendicular to each other are arranged in the no-load lock in a sliding mode, a lock pin spring and a spring bolt spring are connected between the lock pin and the no-load lock and between the spring bolt and the no-load lock respectively, and the front end of the spring bolt extends out of a no-load lock shell. A protruding block is arranged on the side face, close to the top, of the lifting hook, the working face of the protruding block is opposite to the front end of the spring bolt, the working face of the protruding block is provided with a first plane, a first inclined face, a step, a second plane, a second inclined face and a third plane which are sequentially connected, and the first plane, the second plane and the third plane are arranged in parallel and gradually close to the front end of the spring bolt. A hole parallel to the lock pin is formed in the spring bolt, and when the front end of the spring bolt makes contact with the third plane, the hole and the lock pin are coaxial.
本发明公开了一种直升机货物触地自动打开吊钩、直升机及吊挂方法,吊钩与锁扣的中间部位交叉铰接,在铰接处设置有扭簧,吊钩与锁扣顶部通过连杆铰接有吊索;锁扣靠顶部部位侧面安装有空载锁,空载锁内部设置有相互垂直的锁销和锁舌,且在空载锁内部滑动设置,锁销与锁舌分别和空载锁之间连接有锁销弹簧和锁舌弹簧,锁舌前端伸出空载锁壳体;吊钩靠顶部部位侧面设置有凸块,凸块的工作面与锁舌前端相对设置,凸块的工作面设置有依次连接的第一平面、第一斜面、台阶、第二平面、第二斜面和第三平面,第一平面、第二平面和第三平面平行设置且逐次靠近锁舌前端;锁舌上设置有与锁销平行的孔,当锁舌前端接触第三平面时,孔与锁销共轴。
Helicopter cargo grounding automatic opening lifting hook, helicopter and hanging method
一种直升机货物触地自动打开吊钩、直升机及吊挂方法
2024-02-09
Patent
Electronic Resource
Chinese
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