A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Hydraulic control loop, hydraulic loop control method and engineering machinery
The embodiment of the invention provides a hydraulic control loop, a hydraulic loop control method and engineering machinery, and relates to the field the engineering machinery. The hydraulic controlloop involves an energy accumulator, a control valve set, a three-cavity hydraulic cylinder and a multi-way valve, wherein the three-cavity hydraulic cylinder is provided with a first containing cavity, a second containing cavity and a third containing cavity which are separated from one another; the first containing cavity is connected with the third containing cavity through the control valve set, one of the first containing cavity and the third containing cavity is connected with the energy accumulator through the control valve set, and the other of the first containing cavity and the thirdcontaining cavity is connected with the multi-way valve; the control valve set is used for controlling the first containing cavity to communicate with the third containing cavity, or used for controlling the one, connected with the energy accumulator, in the first containing cavity and the third containing cavity to communicate with an oil way of the energy accumulator; and the second accommodating cavity is connected with the multi-way valve, and the multi-way valve is used for being connected with a hydraulic pump and a hydraulic oil tank of the engineering machinery. The hydraulic controlloop, the hydraulic loop control method and the engineering machinery can play the energy-saving characteristic of a system, have good adaptability, and the mechanical structure of a boom does not need to be changed.
本发明实施例提供一种液压控制回路、液压回路控制方法和工程机械，涉及工程机械领域。该液压控制回路包括蓄能器、控制阀组、三腔液压缸和多路阀；三腔液压缸具有相互分隔的第一容腔、第二容腔和第三容腔；第一容腔通过控制阀组与第三容腔连接，第一容腔和第三容腔中的一者通过控制阀组与蓄能器连接，另一者与多路阀连接；控制阀组用于控制第一容腔与第三容腔油路连通，或者，用于控制第一容腔和第三容腔中与蓄能器连接者与蓄能器油路连通；第二容腔与多路阀连接；多路阀用于分别与工程机械的液压泵和液压油箱连接。上述的液压控制回路、液压回路控制方法和工程机械能够发挥系统的节能特点、具有良好的适应性，并无需改变动臂机械结构。
Hydraulic control loop, hydraulic loop control method and engineering machinery
The embodiment of the invention provides a hydraulic control loop, a hydraulic loop control method and engineering machinery, and relates to the field the engineering machinery. The hydraulic controlloop involves an energy accumulator, a control valve set, a three-cavity hydraulic cylinder and a multi-way valve, wherein the three-cavity hydraulic cylinder is provided with a first containing cavity, a second containing cavity and a third containing cavity which are separated from one another; the first containing cavity is connected with the third containing cavity through the control valve set, one of the first containing cavity and the third containing cavity is connected with the energy accumulator through the control valve set, and the other of the first containing cavity and the thirdcontaining cavity is connected with the multi-way valve; the control valve set is used for controlling the first containing cavity to communicate with the third containing cavity, or used for controlling the one, connected with the energy accumulator, in the first containing cavity and the third containing cavity to communicate with an oil way of the energy accumulator; and the second accommodating cavity is connected with the multi-way valve, and the multi-way valve is used for being connected with a hydraulic pump and a hydraulic oil tank of the engineering machinery. The hydraulic controlloop, the hydraulic loop control method and the engineering machinery can play the energy-saving characteristic of a system, have good adaptability, and the mechanical structure of a boom does not need to be changed.
本发明实施例提供一种液压控制回路、液压回路控制方法和工程机械，涉及工程机械领域。该液压控制回路包括蓄能器、控制阀组、三腔液压缸和多路阀；三腔液压缸具有相互分隔的第一容腔、第二容腔和第三容腔；第一容腔通过控制阀组与第三容腔连接，第一容腔和第三容腔中的一者通过控制阀组与蓄能器连接，另一者与多路阀连接；控制阀组用于控制第一容腔与第三容腔油路连通，或者，用于控制第一容腔和第三容腔中与蓄能器连接者与蓄能器油路连通；第二容腔与多路阀连接；多路阀用于分别与工程机械的液压泵和液压油箱连接。上述的液压控制回路、液压回路控制方法和工程机械能够发挥系统的节能特点、具有良好的适应性，并无需改变动臂机械结构。
Hydraulic control loop, hydraulic loop control method and engineering machinery
液压控制回路、液压回路控制方法和工程机械
CAO DONGHUI (author) / SHI JIANPENG (author) / WANG ZEFENG (author) / LIU QIMING (author) / XIA LIANPENG (author)
2020-08-21
Patent
Electronic Resource
Chinese
IPC:
E02F
Baggern
,
DREDGING
Efficient and energy-saving engineering machinery hydraulic driving loop
| European Patent Office | 2023
Engineering machinery hydraulic system, hydraulic system control method and engineering machinery
| European Patent Office | 2024
Engineering machinery hydraulic control system and engineering machinery
| European Patent Office | 2024
Hydraulic control system of engineering machinery, control method and engineering machinery
| European Patent Office | 2020