Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Breaking hammer hydraulic system of engineering machinery and engineering machinery
The invention belongs to the technical field of engineering machinery, and discloses a breaking hammer hydraulic system of the engineering machinery and the engineering machinery, the breaking hammer hydraulic system of the engineering machinery comprises a pump set, a main valve and a reversing valve, an oil inlet of the pump set is communicated with a hydraulic oil tank, and an oil outlet of the pump set is simultaneously connected with a breaking hammer and an oil inlet of the main valve in parallel; a first oil port of the reversing valve is communicated with a first oil inlet and outlet of the main valve, a second oil port of the reversing valve is communicated with a second oil inlet and outlet of the main valve, an oil return port of the reversing valve is communicated with the hydraulic oil tank, a third oil port of the reversing valve is communicated with a rodless cavity of the boom cylinder, and a fourth oil port of the reversing valve is communicated with a rod cavity of the boom cylinder; when the reversing valve is located at the second working position, the first oil port and the third oil port of the reversing valve are communicated, the second oil port and the fourth oil port of the reversing valve are communicated, and when the reversing valve is switched to the first working position, the third oil port and the fourth oil port of the reversing valve are both communicated with the oil return port. According to the invention, the engineering machinery has two working modes, and the comfort is improved.
本发明属于工程机械技术领域，公开了一种工程机械的破碎锤液压系统及工程机械，工程机械的破碎锤液压系统包括泵组、主阀和换向阀，泵组的进油口与液压油箱连通，泵组的出油口同时与破碎锤和主阀的进油口并联，换向阀的第一油口与主阀的第一进出油口连通，换向阀的第二油口与主阀的第二进出油口连通，换向阀的回油口与液压油箱连通，换向阀的第三油口与动臂油缸的无杆腔连通，换向阀的第四油口与动臂油缸的有杆腔连通；换向阀处于第二工作位时，换向阀的第一油口和第三油口连通，第二油口与第四油口连通，换向阀切换至第一工作位时，换向阀的第三油口和第四油口均与回油口连通。本发明使得工程机械具有两种工作模式，提高舒适性。
Breaking hammer hydraulic system of engineering machinery and engineering machinery
The invention belongs to the technical field of engineering machinery, and discloses a breaking hammer hydraulic system of the engineering machinery and the engineering machinery, the breaking hammer hydraulic system of the engineering machinery comprises a pump set, a main valve and a reversing valve, an oil inlet of the pump set is communicated with a hydraulic oil tank, and an oil outlet of the pump set is simultaneously connected with a breaking hammer and an oil inlet of the main valve in parallel; a first oil port of the reversing valve is communicated with a first oil inlet and outlet of the main valve, a second oil port of the reversing valve is communicated with a second oil inlet and outlet of the main valve, an oil return port of the reversing valve is communicated with the hydraulic oil tank, a third oil port of the reversing valve is communicated with a rodless cavity of the boom cylinder, and a fourth oil port of the reversing valve is communicated with a rod cavity of the boom cylinder; when the reversing valve is located at the second working position, the first oil port and the third oil port of the reversing valve are communicated, the second oil port and the fourth oil port of the reversing valve are communicated, and when the reversing valve is switched to the first working position, the third oil port and the fourth oil port of the reversing valve are both communicated with the oil return port. According to the invention, the engineering machinery has two working modes, and the comfort is improved.
本发明属于工程机械技术领域，公开了一种工程机械的破碎锤液压系统及工程机械，工程机械的破碎锤液压系统包括泵组、主阀和换向阀，泵组的进油口与液压油箱连通，泵组的出油口同时与破碎锤和主阀的进油口并联，换向阀的第一油口与主阀的第一进出油口连通，换向阀的第二油口与主阀的第二进出油口连通，换向阀的回油口与液压油箱连通，换向阀的第三油口与动臂油缸的无杆腔连通，换向阀的第四油口与动臂油缸的有杆腔连通；换向阀处于第二工作位时，换向阀的第一油口和第三油口连通，第二油口与第四油口连通，换向阀切换至第一工作位时，换向阀的第三油口和第四油口均与回油口连通。本发明使得工程机械具有两种工作模式，提高舒适性。
Breaking hammer hydraulic system of engineering machinery and engineering machinery
工程机械的破碎锤液压系统及工程机械
WANG SHIDONG (Autor:in) / CHI FENG (Autor:in) / DONG LIDUI (Autor:in) / SHI SHAOLEI (Autor:in) / NIU ZHAO (Autor:in) / ZHANG GUIXIAN (Autor:in)
07.11.2023
Patent
Elektronische Ressource
Chinesisch
Hydraulic control system of breaking hammer and engineering machinery
| Europäisches Patentamt | 2023