The invention provides a dumper hydraulic control system and a dumper comprising the same, and the dumper hydraulic control system comprises an oil source comprising an oil port P and an oil port T; the supporting oil cylinder comprises an oil cavity J and an oil cavity K; the lifting oil cylinder comprises an oil cavity L and an oil cavity M; the support reversing valve is respectively connected with the oil port P, the oil port T, the oil cavity J and the oil cavity K; the lifting reversing valve is respectively connected with the oil port P, the oil port T and the oil cavity M; the pressure control assembly comprises a supporting overflow valve, the oil inlet end and the oil outlet end of the supporting overflow valve are connected with the oil port P and the oil port T respectively, and the overflow amount of the supporting overflow valve is P1; the pressure supplementing assembly comprises a pressure detection device used for detecting the pressure of the oil cavity K, a pressure supplementing oil way connected with the oil cavity K through a pressure supplementing one-way valve, and a pressure supplementing reversing valve connected with the oil cavity L, the lifting reversing valve, the pressure supplementing oil way and the pressure relief oil way. And the length of the supporting mechanism which is driven to extend downwards can be automatically adjusted along with the height change of the frame caused by the change of the load of the material box.
本发明提供了一种自卸车液压控制系统及含有其的自卸车,包括:油源,包括油口P和油口T;支撑油缸,包括油腔J和油腔K;举升油缸,包括油腔L和油腔M;支撑换向阀,分别连接油口P、油口T、油腔J、油腔K;举升换向阀,分别连接油口P、油口T、油腔M;控压组件,包括进油端和出油端分别连接油口P、油口T的支撑溢流阀,支撑溢流阀的溢流量为P1;补压组件,包括用于检测油腔K压力的压力检测装置、通过补压单向阀连接油腔K的补压油路,以及分别连接油腔L、举升换向阀、补压油路、泄压油路的补压换向阀。使得支撑机构受驱动向下伸出的长度可随料箱载重大小变化所导致的车架高度变化进行自动调节。
Dumper hydraulic control system and dumper comprising same
一种自卸车液压控制系统及含有其的自卸车
2025-01-14
Patent
Electronic Resource
Chinese
IPC: | F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein / B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS |
Dumper weighing method, dumper weighing system and dumper
European Patent Office | 2025
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