The invention provides an accessory, a hoisting auxiliary tool and a hoisting auxiliary device, which can reduce the types of tools for hoisting a hoisted object. An attachment (12) for connecting a rope to a rod (15) connected to an object to be lifted, the attachment (12) being formed with a first female threaded hole (16) into which the rod (15) having a cut-out external thread can be inserted and which can be fastened in correspondence with the external thread of the rod (15), and a second female threaded hole (17) into which the rod (15) having a cut-out external thread can be inserted and which can be fastened in correspondence with the external thread of the rod (15). The second female threaded hole (17) is formed further toward the inner side than the first female threaded hole (16) when viewed from the insertion opening side of the rod (15), and has a diameter smaller than that of the first female threaded hole (16).
本公开提供一种附件、吊起辅助器具以及吊起辅助装置,能够减少用于吊起被吊起物的器具的种类。附件(12)用于将绳索连结于与被吊起物连结的杆(15),附件(12)形成有第一内螺纹孔(16)和第二内螺纹孔(17),第一内螺纹孔(16)能够使切出了外螺纹的杆(15)插入,并能够与杆(15)的外螺纹对应地进行紧固,第二内螺纹孔(17)形成于从杆(15)的插入口侧观察时比第一内螺纹孔(16)靠里侧的位置,且直径比第一内螺纹孔(16)的直径小。
Attachment, hoisting aid, and hoisting aid device
附件、吊起辅助器具以及吊起辅助装置
2024-11-29
Patent
Electronic Resource
Chinese
IPC: | B66B Aufzüge , ELEVATORS |
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