The invention relates to a connecting structure of a tower crane boom. The structure comprises a fork head and a fork seat which are mutually inserted and matched, wherein the fork head and the fork seat are coaxially provided with a bolt hole, a pin shaft used for connecting the fork head and the fork seat is inserted in the bolt hole, and two ends of the pin shaft are respectively provided with a quick release assembly. The quick release assembly comprises a first limiting ring slidably arranged at one end of the pin shaft in a sleeving mode, a mounting hole is formed in the first limiting ring, an inserting column slides in the mounting hole, an inserting hole allowing the inserting column to be inserted is formed in the pin shaft, and an abutting bolt used for abutting against the inserting column is in threaded connection with the position, opposite to the mounting hole, of the first limiting ring. The structure has the effect of being convenient to disassemble.
本申请涉及一种塔式起重机起重臂的连接结构,其包括相互插接配合的叉头和叉座,所述叉头和叉座上同轴开有插销孔,所述插销孔内插设有用于连接叉头和叉座上的销轴,所述销轴的两端分别设有一个快拆组件,所述快拆组件包括滑动套设在销轴一端的限位环一,所述限位环一上开有安装孔,所述安装孔内滑移有插柱,所述销轴上开有供插柱插入的插孔,所述限位环一相对安装孔的位置螺纹连接有用于抵紧插柱的抵紧螺栓。本申请具有方便拆卸的效果。
Connecting structure of tower crane boom
塔式起重机起重臂的连接结构
2021-04-30
Patent
Electronic Resource
Chinese
IPC: | B66C Krane , CRANES / F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES , Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile |
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