Double-counterweight oil cylinder hydraulic control system and engineering machinery
The utility model discloses a double-counterweight oil cylinder hydraulic control system and an engineering machine, and the double-counterweight oil cylinder hydraulic control system comprises a flowdividing and collecting valve, a first electromagnetic valve, a second electromagnetic valve, an ang...
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| Hauptverfasser: | , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | The utility model discloses a double-counterweight oil cylinder hydraulic control system and an engineering machine, and the double-counterweight oil cylinder hydraulic control system comprises a flowdividing and collecting valve, a first electromagnetic valve, a second electromagnetic valve, an angle detection element, a first counterweight oil cylinder and a second counterweight oil cylinder, the first electromagnetic valve is used for controlling the on-off of an oil path between the first shunt opening and the rodless cavity of the first counterweight oil cylinder; the second electromagnetic valve is used for controlling connection and disconnection of an oil way between the second flow dividing opening and a rodless cavity of the second counterweight oil cylinder, the angle detectionelement is used for detecting the inclination angle of the counterweight in real time, and the first electromagnetic valve and the second electromagnetic valve are opened or closed according to the inclination angle so that t |
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