The invention provides a crown block fulcrum stress balancing device and a crane, and relates to the technical field of engineering machinery, the crown block fulcrum stress balancing device is used for being arranged between a crown block and a main beam of the crane, and comprises an upper seat body, a lower seat body, a first elastic body, a second elastic body and a cushion block, the first elastic body and the second elastic body are arranged between the upper seat body and the lower seat body, the thickness of the first elastic body is larger than that of the second elastic body, the rigidity of the first elastic body is smaller than that of the second elastic body, the cushion block is arranged on the second elastic body, the first elastic body and the cushion block are used for supporting the upper seat body, and the upper seat body can move relative to the lower seat body. Force can be uniformly dispersed to the web plates on the inner side and the outer side of the main beam through the first elastic body and the second elastic body, so that the stress is balanced.
本发明提供了一种天车支点受力均衡装置及吊机,涉及工程机械技术领域,该天车支点受力均衡装置用于设置于吊机的天车和主梁之间,包括上座体、下座体、第一弹性体、第二弹性体和垫块,上座体罩设于下座体上端,第一弹性体和第二弹性体设置于上座体和下座体之间,第一弹性体的厚度大于第二弹性体的厚度,且第一弹性体的刚度小于第二弹性体的刚度,垫块设置于第二弹性体上,第一弹性体和垫块用于支撑上座体,上座体可相对于下座体移动。本发明能够通过第一弹性体和第二弹性体将力均匀的发散到主梁的内外侧腹板,使其受力均衡。
Crown block fulcrum stress balancing device and crane
一种天车支点受力均衡装置及吊机
2023-07-04
Patent
Elektronische Ressource
Chinesisch
IPC: | B66C Krane , CRANES |
Three-fulcrum bridge frame of crane and manufacturing method of three-fulcrum bridge frame
Europäisches Patentamt | 2023
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