A lifting hook device for an underframe boundary beam belongs to the field of railway vehicle underframe lifting sling devices and comprises a sling shackle mechanism and a steel wire sling, the shackle mechanism comprises a shackle and a shackle connecting rod which are connected with each other through a rotating shaft, and the tail section of the steel wire sling is in suspension connection with a retaining ring of the shackle; the lifting hook device further comprises an outer lifting hook, a rotating shaft bolt, a plurality of bolt fasteners, an inner lifting hook and an inner cushion block; the lower parts of the outer cushion block, the outer lifting hook and the inner lifting hook are fixedly connected through the plurality of bolt fasteners; the upper end of the outer side of the outer lifting hook is rotationally connected with the lower end of the shackle connecting rod through a rotating shaft bolt; the outer side cushion block is fixedly connected to the vertical inner end face of the outer side lifting hook in a detachable mode, and the inner side cushion block is fixedly connected to the vertical outer end face of the inner side lifting hook in a detachable mode. According to the invention, reliable clamping and horizontal hoisting of four corners of a frame can be carried out on any straight-edge beam underframe or bevel-edge beam with any inclination angle and size parameter.
用于底架边梁的吊钩装置属于轨道车辆底架起重吊具装置领域,包括吊索卸扣机构和钢丝吊带,卸扣机构包括彼此转轴连接的卸扣和卸扣连接杆,钢丝吊带的末段与卸扣的扣环悬挂链接;该吊钩装置还包括外侧吊钩、转轴螺栓、多个螺栓紧固件、内侧吊钩、内侧垫块、外侧垫块,外侧吊钩和内侧吊钩二者的下部通过多个螺栓紧固件固连;外侧吊钩外侧的上端通过转轴螺栓与卸扣连接杆的下端转动连接;外侧垫块以可拆卸的方式固连于外侧吊钩的竖直内端面上,内侧垫块以可拆卸的方式固连于内侧吊钩的竖直外端面上。本发明可以对任意倾角和尺寸参数的任意直边梁底架或斜边梁实施框架四角的可靠夹持和水平吊运。
Lifting hook device for chassis boundary beam
用于底架边梁的吊钩装置
2023-12-29
Patent
Elektronische Ressource
Chinesisch
IPC: | B66C Krane , CRANES |