The application discloses a high-rise tower crane mast. The mast comprises an underframe beam, a tower body and a cargo boom, the tower body is formed by combining a plurality of tower body standard sections, one end of the tower body is connected with the underframe beam and fixed to the underframe beam, the other end is connected with the cargo boom, a luffing jack is arranged between the towerbody and the cargo boom, the luffing jack is arranged on one side of the tower body, one end of the luffing jack is connected with the tower body, the other end is directly connected with the cargo boom, and the phugoid motion of the cargo boom is achieved under the action of the luffing jack. The mast adopts a special structural arrangement, the luffing jack is used to support the cargo boom, andat the same time, in conjunction with the pulling effect of a hoisting wire rope, the entire cargo boom rotates around a connecting shaft; a balance bar, a receiving bar and a counterweight are arranged on one side of the joint of the cargo boom and the tower body, and the arrangement of the counterweight ensures that when the entire cargo boom hoists objects, balance can be effectively achievedand stability is enhanced.
本申请公开了一种高层塔吊桅杆,包括地梁架、塔身和起重臂,塔身由多个塔身标准节组合而成,塔身的一端与底架梁相连,固定在底架梁上,另一端与起重臂相连,塔身和起重臂之间设有变幅千斤顶,变幅千斤顶置于塔身的一侧,变幅千斤顶一端连接在塔身上,另一端直接与起重臂相连,在变幅千斤顶的作用下,实现起重臂的起伏运动。本申请采用特殊的结构设置,利用变幅千斤顶实现对起重臂的支撑,同时配合起升钢丝绳的拉动效应,使得整个起重臂围绕着连接轴进行旋转运动;在起重臂与塔身连接的一侧,设有平衡杆、承接杆和配重块,设置配重块从而保证整个起重臂在进行悬吊物品时能有效实现平衡,增强稳定性。
High-rise tower crane movable arm type mast
高层塔吊动臂式桅杆
2020-10-27
Patent
Electronic Resource
Chinese
IPC: | B66C Krane , CRANES |
Boom type mast of a high-rise tower crane and mounting mode of boom type mast
European Patent Office | 2020
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