The invention discloses a lifting point spacing-adjustable unhooking and hooking lifting appliance and an unhooking and hooking method thereof.The unhooking and hooking lifting appliance is used for lifting cinder ladles under driving of a crane and comprises a lifting beam, two lifting hooks and a driving mechanism, the lifting beam comprises a supporting beam and two sliding blocks, a guide rail extending in the horizontal direction is arranged on the supporting beam, and the two sliding blocks are arranged on the supporting beam; the lifting hook comprises a first plate hook and a second plate hook which are opposite to each other, the first plate hook and the second plate hook can rotate around a hinge shaft so as to open or close the hook cavity, and the driving mechanism is arranged on the lifting beam; and the driving mechanism acts on the two lifting hooks and drives the two lifting hooks to move in opposite directions along the guide rail so as to separate the lifting hooks from the hanging lugs. The lifting appliance is simple in structure, convenient to operate, high in universality, wide in application range and rapid and convenient in automatic unhooking and hooking operation, the lifting working efficiency is improved, and the safety risk is reduced.
本发明公开了一种吊点间距可调的脱挂钩吊具及其脱挂钩方法,脱挂钩吊具用于在起重机的驱动下起吊渣包,脱挂钩吊具包括吊梁、两个吊钩和驱动机构,吊梁包括支撑梁和两个滑块,支撑梁上设有沿水平方向延伸的导轨,两个滑块均与导轨滑动连接,吊钩包括相对的第一板钩和第二板钩,第一板钩和第二板钩均绕铰接轴可转动以打开或闭合钩腔,驱动机构设在吊梁上,驱动机构作用于两个吊钩并驱动两个吊钩沿导轨向相反的方向移动以将吊钩从吊挂的吊耳上脱离。该吊具结构简单、操作方便、通用性强、应用范围广,自动脱挂钩操作快速便捷,提高了吊装工作效率,降低安全风险。
Hook-releasing lifting appliance with adjustable lifting point spacing and hook-releasing method of hook-releasing lifting appliance
吊点间距可调的脱挂钩吊具及其脱挂钩方法
2023-11-10
Patent
Electronic Resource
Chinese
IPC: | B66C Krane , CRANES |
LIFTING HOOK, SAFETY LATCH OF LIFTING HOOK AND LOCKING AND RELEASING DEVICE OF SAFETY LATCH
European Patent Office | 2019
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