The invention discloses a connecting structure of a counter-boom and a slewing tower of a tower crane. The connecting structure comprises the counter-boom and the slewing tower, wherein two lug plates I are arranged on the counter-boom; two lug plates II are arranged on the slewing tower; pin shaft holes I are arranged in the two lug plates I; a dowel pin I is inserted between the pin shaft holes I in the two lug plates I; an open groove matched with the dowel pin I is arranged in the end part of each lug plate II; when the counter-boom is connected to a slewing tower, the dowel pin I is supported in the open grooves of the lug plates II; and the connecting structure further comprises a locking piece which is arranged between the counter-boom and the slewing tower and is used for locking the counter-boom and the slewing tower. The connecting structure is simple, convenient to operate, high in safety, time-saving and labor-saving.
本发明公开了一种塔机平衡臂与回转塔身的连接结构,包括平衡臂、回转塔身,所述平衡臂上设有双耳板Ⅰ,所述回转塔身上设有双耳板Ⅱ,所述耳板Ⅰ上开设有销轴孔Ⅰ,两个耳板Ⅰ上的销轴孔Ⅰ间插设有固定销Ⅰ,所述耳板Ⅱ的端部开设有与固定销Ⅰ相配合的开口凹槽,当所述平衡臂与回转塔身相连接时,所述固定销Ⅰ支撑在所述耳板Ⅱ的开口凹槽内,所述连接结构还包括设置在所述平衡臂与所述回转塔身间、用于将两者锁定的锁紧件。该连接结构简单,操作方便,安全性高,省时省力。
Connecting structure of counter-boom and slewing tower of tower crane
一种塔机平衡臂与回转塔身的连接结构
2021-04-23
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 |