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A platform for research: civil engineering, architecture and urbanism
Excavator control system and excavator
The invention provides an excavator control system and an excavator. The excavator control system comprises an oil tank, an oil inlet path, a main oil return path and an auxiliary oil return path, wherein the oil inlet path, the main oil return path and the auxiliary oil return path are connected with the oil tank. The oil inlet path comprises an oil pump and a multiway valve. The multiway valve is provided with motion signal detection oil ports. The main oil return path comprises a back pressure valve connected with an output opening of the multiway valve. Input openings of cartridge valves are connected between an output opening of the oil pump and an inlet of the multiway valve. Reversing valves comprise first oil ports, second oil ports and third oil ports. The first oil ports are connected with spring cavity control oil ports of the cartridge valves. The second oil ports are connected with first output openings of the cartridge valves. The third oil ports are connected with the oil tank. Second output openings of the cartridge valves are connected with the oil tank. Valve elements of the cartridge valves are used for opening or closing the second output openings. Output openings of the motion signal detection oil ports are connected with the reversing valves, so that the first oil ports are communicated with the second oil ports or the third oil ports. According to the excavator control system and the excavator, the motion stability of the excavator cannot be influenced, and meanwhile fuel consumption of the excavator is reduced.
Excavator control system and excavator
The invention provides an excavator control system and an excavator. The excavator control system comprises an oil tank, an oil inlet path, a main oil return path and an auxiliary oil return path, wherein the oil inlet path, the main oil return path and the auxiliary oil return path are connected with the oil tank. The oil inlet path comprises an oil pump and a multiway valve. The multiway valve is provided with motion signal detection oil ports. The main oil return path comprises a back pressure valve connected with an output opening of the multiway valve. Input openings of cartridge valves are connected between an output opening of the oil pump and an inlet of the multiway valve. Reversing valves comprise first oil ports, second oil ports and third oil ports. The first oil ports are connected with spring cavity control oil ports of the cartridge valves. The second oil ports are connected with first output openings of the cartridge valves. The third oil ports are connected with the oil tank. Second output openings of the cartridge valves are connected with the oil tank. Valve elements of the cartridge valves are used for opening or closing the second output openings. Output openings of the motion signal detection oil ports are connected with the reversing valves, so that the first oil ports are communicated with the second oil ports or the third oil ports. According to the excavator control system and the excavator, the motion stability of the excavator cannot be influenced, and meanwhile fuel consumption of the excavator is reduced.
Excavator control system and excavator
ZHAO CHUNFENG (author) / FAN JUNYONG (author) / CUI YONGJUN (author) / XU DUNHUI (author) / JIN RUFANG (author) / MENG XIANGYU (author) / MA YONG (author) / FAN HONGYU (author)
2016-02-03
Patent
Electronic Resource
English
IPC:
E02F
Baggern
,
DREDGING
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