The utility model provides a lifting hook. The lifting hook is characterized by comprising a pair of side plates, guide plates are arranged on the inner walls of the side plates, and a hook and a push-pull rod are arranged between the guide plates; the push-pull part is provided with an upper cross rod, a connecting rod and a lower cross rod; the hook is hinged to the lower section of the side plate, and the upper cross rod is rotationally arranged on the hook and slides along the hook; the lower section of the hook is a hook part; the upper cross rod is slidably connected to the guide plate in the horizontal direction; a guide structure is arranged at the rear section of the guide plate and is used for guiding the lower cross rod of the push-pull rod; the guide structure comprises an inclined surface which is inclined backwards and upwards from the front end of the guide plate, and a clamping groove is formed behind the top of the inclined surface; the bottom of the cross rod of the clamping groove communicates with a recovery groove; and the recovery groove is of a V-shaped structure. By adopting a pure mechanical structural design, a fish driving grid can be automatically hung and taken and can be automatically unhooked, and the lifting hook is free of pollution, simple in structure, convenient to maintain and use and low in use and manufacturing cost.
本申请提供一种吊钩,其特征在于,包括:一对侧板,侧板的内壁设有导向板,导向板之间设有挂钩以及推拉杆。推拉具有上横杆、连接杆及下横杆。挂钩铰接于侧板的下段,上横杆转动设于挂钩,并沿挂钩滑动设置;挂钩的下段为钩部。上横杆沿水平方向滑动连接于导向板;导向板的后段设有导向结构,用于对推拉杆的下横杆导向;导向结构包括斜面,斜面从导向板前的端向后倾斜向上设置,斜面顶部后方具有卡槽;卡槽的横杆底部连通有回收槽;回收槽呈V型结构。采用纯机械式结构设计,可对赶鱼栅自动挂取,以及使赶鱼栅自动脱钩,无污染、结构简单、便于维护及使用、使用及制造成本较低。
Lifting hook and automatic hooking and unhooking beam
一种吊钩以及自动挂脱梁
2021-10-01
Patent
Elektronische Ressource
Chinesisch
IPC: | B66C Krane , CRANES |
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