The invention discloses a crane lifting hook structure which comprises a machine shell, a transverse frame is installed in the machine shell, a hook body is rotationally matched with the machine shell through the transverse frame, a limiting end is arranged at the upper end of the hook body, the limiting end is limited to the top of the transverse frame, the hook body penetrates through the transverse frame, a concave hole is formed in the upper end of the limiting end, and a positioning strip is arranged on the hole wall of the concave hole. A connecting plate is installed in the machine shell, an inserting shaft is inserted into the axis of the connecting plate in a penetrating mode, an end portion is arranged at the upper end of the inserting shaft, a positioning groove is formed in the outer wall of the inserting shaft, the positioning groove downwards penetrates through the inserting shaft, a spring is arranged on the inserting shaft in a matched mode, and the spring acts between the end portion and the connecting plate. According to the device, the hook body can be locked, the hook body can rotate when the degree of freedom of the hook body needs to be kept, and the hook body can be locked and prevented from rotating when the position needs to be fixed.
本发明公开了一种行车吊钩结构,包括机壳,在机壳内安装有一横架,通过横架转动配合有一钩体,钩体的上端设置有限位端,限位端限位于横架的顶部,钩体穿过所述横架,在限位端的上端设置有凹孔,凹孔的孔壁处设置有定位条,在所述机壳内安装有连接板,连接板的轴心处穿插有一插轴,插轴的上端设置有端部,插轴的外壁处设置有定位槽,定位槽向下贯穿所述插轴,在所述插轴上配合有弹簧,所述弹簧作用于所述端部和所述连接板之间;本装置可以锁定钩体,在需要保持钩体的自由度的时候可以让其旋转,在需要固定位置时,可以锁定钩体,避免其转动。
Crane lifting hook structure
一种行车吊钩结构
2023-12-22
Patent
Electronic Resource
Chinese
IPC: | B66C Krane , CRANES |