Electrohydraulic control system with clutch control for wheel type harvester
The utility model relates to an electro-hydraulic control system with clutch control for a wheel type harvester, which comprises a first valve body, a second valve body and a first electromagnetic directional valve, and the first valve body is provided with a main oil inlet, a first oil return port,...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model relates to an electro-hydraulic control system with clutch control for a wheel type harvester, which comprises a first valve body, a second valve body and a first electromagnetic directional valve, and the first valve body is provided with a main oil inlet, a first oil return port, a first overflow valve and a cartridge valve. The second valve body is provided with a second oil return opening, a second electromagnetic reversing valve, a second overflow valve and an external oil opening used for being connected with a clutch oil cylinder, and the second electromagnetic reversing valve is a two-position three-way reversing valve. The two-position three-way reversing valve is provided with an electromagnetic valve oil inlet communicated with the main oil inlet, an electromagnetic valve oil return port communicated with the second oil return port and a working oil port communicated with the external oil port, and the second overflow valve is connected between the external oil port and the second |
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