The invention discloses a rotary platform for a tower crane. The platform comprises a base, a rotary table, a driving mechanism and a rotary mechanism, wherein the rotary table is fixedly connected tothe upper end of the base, a plurality of shock absorbers are arranged between the rotary table and the base, a bearing plate is welded to the surface of the rotary table, a first fixing frame is fixedly connected with the rotary table through the bearing plate, a hydraulic cylinder is arranged at the bottom end of the bearing plate, the output end of the hydraulic cylinder is fixedly connected with the bearing plate, and the driving mechanism is connected to the surface of the upper end of the rotary table through bolts. According to the platform, two slewing bearings are arranged at the twoends of a main shaft, meanwhile, gear plates, fixing plates and reinforcing ribs are arranged on the outer edge of the slewing bearing at the upper end of the main shaft, the stability of the main shaft in the rotary table is reinforced, meanwhile the rotary table is fixedly connected with the base through the hydraulic cylinder and the main shaft, and then the rotary mechanism is evenly stressedin the rotary table, so that the stability between the rotary table and the base is enhanced, and the stability between the rotary mechanism and the base is further improved.
本发明公开了一种塔式起重机用回转平台,包括底座、回转台、驱动机构、和回转机构,所述底座的上端固定连接有回转台,所述回转台与底座之间设置有多个减震器,所述回转台的表面焊接有承载板,所述第一固定架通过承载板与回转台固定连接,所述承载板的底端设置有液压缸,所述液压缸的输出端与承载板固定连,所述回转台上端表面螺栓连接有驱动机构。本发明在主柱的两端设置有两个回转支承,同时在主轴的上端的回转支承外沿设置有齿轮板、固定板和加强筋,加固主轴在回转台内部的稳定性,同时回转台通过液压缸和主轴与底座固定连接,使回转机构在回转台内部受力均匀,从而增强了回转台与底座的之间的稳固性,进而提高了回转机构与底座之间的稳定性。
Rotary platform for tower crane
一种塔式起重机用回转平台
2021-03-12
Patent
Electronic Resource
Chinese
IPC: | B66C Krane , CRANES |
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