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The invention discloses a hydraulic excavator movable arm energy recovery system and a control strategy, and relates to the technical field of hydraulic excavator movable arm energy recovery, the hydraulic excavator movable arm energy recovery system comprises an oil tank, an energy accumulator, a first energy recovery cylinder, an energy utilization cylinder and a second energy recovery cylinder, the first energy recovery cylinder, the energy utilization cylinder and the second energy recovery cylinder are connected with the oil tank and the energy accumulator through an oil conveying system; the oil conveying system comprises a rod cylinder oil inlet and outlet pipe system, a rodless cylinder oil inlet pipe system of the energy recovery cylinder, a rodless cylinder oil inlet pipe system of the energy utilization cylinder, a rodless cylinder oil return pipe system of the energy utilization cylinder and a rodless cylinder oil return pipe system of the energy recovery cylinder. According to the hydraulic excavator movable arm energy recovery system adopting the structure and the control strategy, the oil return back pressure and throttling loss can be reduced, the controllability of the whole machine is maintained, and the energy recovery efficiency is improved.
本发明公开了一种液压挖掘机动臂能量回收系统及控制策略,涉及液压挖掘机动臂能量回收技术领域,包括油箱、蓄能器和依次设置在动臂下方且与动臂连接的第一能量回收缸、能量利用缸和第二能量回收缸,所述第一能量回收缸、所述能量利用缸和所述第二能量回收缸通过油液输送系统与所述油箱和所述蓄能器连接,所述油液输送系统包括有杆缸进出油管系、能量回收缸的无杆缸进油管系、能量利用缸的无杆缸进油管系、能量利用缸的无杆缸回油管系和能量回收缸的无杆缸回油管系。本发明采用上述结构的一种液压挖掘机动臂能量回收系统及控制策略,能够降低回油背压和节流损失,维持整机的操控性,提高能量回收效率。
The invention discloses a hydraulic excavator movable arm energy recovery system and a control strategy, and relates to the technical field of hydraulic excavator movable arm energy recovery, the hydraulic excavator movable arm energy recovery system comprises an oil tank, an energy accumulator, a first energy recovery cylinder, an energy utilization cylinder and a second energy recovery cylinder, the first energy recovery cylinder, the energy utilization cylinder and the second energy recovery cylinder are connected with the oil tank and the energy accumulator through an oil conveying system; the oil conveying system comprises a rod cylinder oil inlet and outlet pipe system, a rodless cylinder oil inlet pipe system of the energy recovery cylinder, a rodless cylinder oil inlet pipe system of the energy utilization cylinder, a rodless cylinder oil return pipe system of the energy utilization cylinder and a rodless cylinder oil return pipe system of the energy recovery cylinder. According to the hydraulic excavator movable arm energy recovery system adopting the structure and the control strategy, the oil return back pressure and throttling loss can be reduced, the controllability of the whole machine is maintained, and the energy recovery efficiency is improved.
本发明公开了一种液压挖掘机动臂能量回收系统及控制策略,涉及液压挖掘机动臂能量回收技术领域,包括油箱、蓄能器和依次设置在动臂下方且与动臂连接的第一能量回收缸、能量利用缸和第二能量回收缸,所述第一能量回收缸、所述能量利用缸和所述第二能量回收缸通过油液输送系统与所述油箱和所述蓄能器连接,所述油液输送系统包括有杆缸进出油管系、能量回收缸的无杆缸进油管系、能量利用缸的无杆缸进油管系、能量利用缸的无杆缸回油管系和能量回收缸的无杆缸回油管系。本发明采用上述结构的一种液压挖掘机动臂能量回收系统及控制策略,能够降低回油背压和节流损失,维持整机的操控性,提高能量回收效率。
Hydraulic excavator movable arm energy recovery system and control strategy
一种液压挖掘机动臂能量回收系统及控制策略
08.11.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
E02F
Baggern
,
DREDGING
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