The invention discloses a portal crane for a container. The portal crane comprises a portal main frame, a travelling mechanism, a lifting appliance translation mechanism, a lifting mechanism and a lifting appliance assembly; the lifting appliance assembly is used for containing telescopic beams and a driving assembly and comprises a lifting appliance body, the driving assembly and the telescopic beams; the driving assembly comprises a cam, a sliding way and sliding blocks, two arc-shaped sliding grooves are formed in the cam in the circumferential direction, the middle of the sliding way is rotationally connected with the cam, and the sliding block sliding grooves are formed in the sliding way and located in the two sides of the connecting point of the sliding way and the cam; the two sliding blocks are matched with the two arc-shaped sliding grooves and the sliding block sliding grooves respectively and can slide back and forth along the arc-shaped sliding grooves and the sliding block sliding grooves; the two telescopic beams are connected with the lifting appliance body in a sliding mode, are symmetrically arranged and are connected with the two sliding blocks respectively. According to the lifting appliance assembly, the two telescopic beams are driven to stretch out and draw back simultaneously through rotation of the cam, the structure is simple, use is convenient, the portal crane can be suitable for containers of different sizes, and lifting efficiency is improved.
本发明公开了一种集装箱用门式起重机,包括门字型主架、行走机构、吊具平移机构、升降机构和吊具组件。吊具组件用于容纳伸缩梁和驱动组件,其包括吊具本体、驱动组件、伸缩梁;驱动组件包括凸轮、滑道和滑块,凸轮上沿圆周方向上设置两条弧形滑槽,滑道中部与凸轮转动连接,滑道上位于滑道与凸轮连接点的两侧均设置滑块滑槽;滑块有两个、分别与两个弧形滑槽和滑块滑槽配套并可沿其来回滑动;伸缩梁有两个并与吊具本体滑动连接,两个伸缩梁对称布置并分别与两个滑块连接。本发明的吊具组件中通过凸轮旋转带动两个伸缩梁同时伸缩,结构简单,使用方便,可以适用于不同尺寸的集装箱,提高了吊装效率。
Portal crane for container
一种集装箱用门式起重机
2020-09-01
Patent
Electronic Resource
Chinese
IPC: | B66C Krane , CRANES |