The invention discloses a platform leveling system, an aerial work platform and an aerial work machine.The platform leveling system comprises a rotary table, an arm frame assembly, a work platform and a leveling loop, the arm frame assembly comprises a first arm frame and a second arm frame which are hinged, the first arm frame is hinged to the work platform, and the second arm frame is hinged to the rotary table; the leveling loop comprises a first leveling oil cylinder, a second leveling oil cylinder and a third leveling oil cylinder, the two ends of the first leveling oil cylinder are hinged to the first arm frame and the working platform respectively, the two ends of the second leveling oil cylinder are hinged to the first arm frame and the second arm frame respectively, and the two ends of the third leveling oil cylinder are hinged to the second arm frame and the rotary table respectively. Rod cavities of the first leveling oil cylinder, the second leveling oil cylinder and the third leveling oil cylinder are connected to form a closed oil way, rodless cavities of the first leveling oil cylinder, the second leveling oil cylinder and the third leveling oil cylinder are connected to form a closed oil way, and the first leveling oil cylinder, the second leveling oil cylinder and the third leveling oil cylinder are the same in specification. And the platform leveling angle is accurately matched with the amplitude change of the boom.
本发明公开一种平台调平系统、高空作业平台及高空作业机械,该平台调平系统包括转台、臂架组件、工作平台以及调平回路,臂架组件包括相铰接的第一臂架和第二臂架,第一臂架与工作平台铰接,第二臂架与转台铰接,调平回路包括第一调平油缸、第二调平油缸和第三调平油缸,第一调平油缸两端分别与第一臂架和工作平台铰接,第二调平油缸两端分别与第一臂架和第二臂架铰接,第三调平油缸两端分别与第二臂架和转台铰接,第一调平油缸、第二调平油缸和第三调平油缸三者有杆腔相连形成封闭油路且三者无杆腔相连形成封闭油路,且第一调平油缸、第二调平油缸和第三调平油缸三者规格相同。确保平台调平角度准确匹配臂架幅度变化。
Platform leveling system, aerial work platform and aerial work machine
平台调平系统、高空作业平台及高空作业机械
2023-03-07
Patent
Elektronische Ressource
Chinesisch
IPC: | F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein / B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |
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