The invention discloses a leveling landing leg oil cylinder mechanism, a hydraulic unit and engineering machinery, the leveling landing leg oil cylinder mechanism comprises a leveling landing leg oil cylinder, a connecting block, a ball head saddle and an adapter cover, a spherical groove is formed in the connecting block, and the connecting block is fixed at the extending end of a piston rod; the spherical surface of the ball head saddle is matched into the spherical groove and is connected to the connecting block through the deflection angle limiting connecting piece; and the adapter cover and the connecting block are provided with mutually corresponding tension backstop bearing structures, so that a deflection allowable interval is formed between the adapter cover and the connecting block in the state that the adapter cover is fixed to the upper component, and the adapter cover and the connecting block can bear a tension load through the mutually corresponding tension backstop bearing structures. According to the leveling supporting leg oil cylinder mechanism, through special structure matching among the ball head saddle, the connecting block and the adapter cover, the leveling supporting leg oil cylinder mechanism can bear pressure and tensile force and can effectively adapt to the walking characteristics of walking type engineering machinery.
本发明公开了一种调平支腿油缸机构、液压单元和工程机械,其包括调平支腿油缸、连接块、球头鞍座和转接盖,所述连接块上形成有球形凹槽且固定于活塞杆的伸出端,所述球头鞍座球面配合到球形凹槽内且通过偏转角度限位连接件连接到连接块上;以及所述转接盖和所述连接块上具有相互对应的受拉止挡承载结构,以在转接盖固定到上部构件的状态下转接盖和连接块之间具有偏转允许间隔,且能够通过相互对应的受拉止挡承载结构能够承受拉力载荷。本发明通过球头鞍座、连接块、转接盖之间的特殊结构配合,使得该调平支腿油缸机构既能承受压力、又能承受拉力,并且能够有效适应行走式工程机械的行走特性。
Leveling support oil cylinder mechanism, leveling support oil cylinder hydraulic unit and engineering machinery
调平支腿油缸机构、调平支腿油缸液压单元和工程机械
2023-04-14
Patent
Elektronische Ressource
Chinesisch
Europäisches Patentamt | 2023
|Leveling oil cylinder supporting leg assembly and engineering machinery
Europäisches Patentamt | 2023
|Leveling system, leveling method and engineering machinery
Europäisches Patentamt | 2022
|Agricultural machinery leveling vehicle body based on hydraulic cylinder with displacement sensor
Europäisches Patentamt | 2021
|Leveling support leg mechanism, engineering machinery and crawler-type tower crane
Europäisches Patentamt | 2022
|