Closed type hydraulic device, filling and oil supplementing hydraulic loop and control method of filling and oil supplementing hydraulic loop
The invention provides a closed hydraulic device, a filling and oil supplementing hydraulic circuit and a control method thereof. The filling and oil supplementing hydraulic circuit comprises an oil tank, an oil pump, an oil inlet connector, an oil discharge connector, a first control valve, a secon...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention provides a closed hydraulic device, a filling and oil supplementing hydraulic circuit and a control method thereof. The filling and oil supplementing hydraulic circuit comprises an oil tank, an oil pump, an oil inlet connector, an oil discharge connector, a first control valve, a second control valve and a third control valve. A first connecting end of the oil pump is connected with an oil outlet of the oil pump and an oil inlet of the closed hydraulic system, a second connecting end of the oil pump is connected with an oil inlet of the oil pump and an oil outlet of the closed hydraulic system, the oil inlet of the oil pump is connected with an external oil source through an oil inlet joint, and the second connecting end is communicated with the outside through an oil discharge joint; the first control valve, the second control valve and the third control valve are respectively configured to connect or disconnect oil ways where the control valves are located, and after the closed type hydraulic |
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