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A platform for research: civil engineering, architecture and urbanism
Hydraulic control system, excavator hydraulic system control method and excavator
The invention relates to the technical field of excavators, in particular to a hydraulic control system, an excavator hydraulic system control method and an excavator. According to the hydraulic control system, a main control unit comprises a plurality of working pumps; the rotation unit is independent of the main control unit and comprises a rotation pump, a rotation control valve and a rotation execution part; the rotary pump is respectively communicated with a first pipeline and a second pipeline which are arranged in parallel; the rotary unit and the converging part are arranged on the first pipeline, and the second pipeline is communicated with an oil way pumped by at least one working pump; the converging part is used for controlling the rotation action of the rotation unit and flow distribution of the first pipeline and the second pipeline. By controlling the confluence piece, the rotary pump independently pumps oil to the rotary execution piece through the first pipeline, and the stability of the rotary flow is guaranteed; and meanwhile, oil liquid discharged to the second pipeline by the rotary pump can be utilized, so that the action execution element obtains additional flow, the speed of other actions is properly increased, and the efficiency of the whole machine is effectively improved.
本发明涉及挖掘机技术领域，尤其是涉及一种液压控制系统、挖掘机液压系统控制方法及挖掘机。液压控制系统包括：主控单元包括多个工作泵；回转单元独立于主控单元设置，回转单元包括回转泵、回转控制阀和回转执行件；回转泵分别与并联设置第一管路和第二管路连通；回转单元和合流件设置于第一管路，第二管路与至少一个工作泵泵送的油路连通；合流件用于控制回转单元的回转动作以及第一管路和第二管路的流量分配。本发明通过控制合流件，实现回转泵经由第一管路独立地为回转执行件泵送油液，保证回转流量的稳定性；同时还能够利用回转泵排出至第二管路的油液，使得动作执行元件获得额外的流量，从而适当地增加其他动作的速度，有效提升整机效率。
Hydraulic control system, excavator hydraulic system control method and excavator
The invention relates to the technical field of excavators, in particular to a hydraulic control system, an excavator hydraulic system control method and an excavator. According to the hydraulic control system, a main control unit comprises a plurality of working pumps; the rotation unit is independent of the main control unit and comprises a rotation pump, a rotation control valve and a rotation execution part; the rotary pump is respectively communicated with a first pipeline and a second pipeline which are arranged in parallel; the rotary unit and the converging part are arranged on the first pipeline, and the second pipeline is communicated with an oil way pumped by at least one working pump; the converging part is used for controlling the rotation action of the rotation unit and flow distribution of the first pipeline and the second pipeline. By controlling the confluence piece, the rotary pump independently pumps oil to the rotary execution piece through the first pipeline, and the stability of the rotary flow is guaranteed; and meanwhile, oil liquid discharged to the second pipeline by the rotary pump can be utilized, so that the action execution element obtains additional flow, the speed of other actions is properly increased, and the efficiency of the whole machine is effectively improved.
本发明涉及挖掘机技术领域，尤其是涉及一种液压控制系统、挖掘机液压系统控制方法及挖掘机。液压控制系统包括：主控单元包括多个工作泵；回转单元独立于主控单元设置，回转单元包括回转泵、回转控制阀和回转执行件；回转泵分别与并联设置第一管路和第二管路连通；回转单元和合流件设置于第一管路，第二管路与至少一个工作泵泵送的油路连通；合流件用于控制回转单元的回转动作以及第一管路和第二管路的流量分配。本发明通过控制合流件，实现回转泵经由第一管路独立地为回转执行件泵送油液，保证回转流量的稳定性；同时还能够利用回转泵排出至第二管路的油液，使得动作执行元件获得额外的流量，从而适当地增加其他动作的速度，有效提升整机效率。
Hydraulic control system, excavator hydraulic system control method and excavator
液压控制系统、挖掘机液压系统控制方法及挖掘机
SHI CHANGZENG (author) / CHI FENG (author) / DONG LIDUI (author) / YANG DIANZUO (author)
2024-03-01
Patent
Electronic Resource
Chinese
IPC:
E02F
Baggern
,
DREDGING
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