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Hydraulic variable pump set and excavator
Provided is a hydraulic variable pump set, including a pump body component and an oil supplement component. The pump body component includes a pump body, a first slide valve, and a first control valve. The first slide valve includes a spring end and a pilot cavity. The first control valve is provided with an oil inlet A, an oil inlet B, and an oil outlet T. The pump body includes a variable pump and a variable cylinder. The variable pump includes a swash plate. The variable cylinder includes a rod cavity and a rodless cavity. The variable cylinder is mechanically connected to the spring end and the swash plate. The oil supplement component is in communication with the pilot cavity.
Hydraulic variable pump set and excavator
Provided is a hydraulic variable pump set, including a pump body component and an oil supplement component. The pump body component includes a pump body, a first slide valve, and a first control valve. The first slide valve includes a spring end and a pilot cavity. The first control valve is provided with an oil inlet A, an oil inlet B, and an oil outlet T. The pump body includes a variable pump and a variable cylinder. The variable pump includes a swash plate. The variable cylinder includes a rod cavity and a rodless cavity. The variable cylinder is mechanically connected to the spring end and the swash plate. The oil supplement component is in communication with the pilot cavity.
Hydraulic variable pump set and excavator
CUI KAI (author) / QIN XUXIN (author) / YANG GUOXI (author) / YANG FEI (author)
2022-03-22
Patent
Electronic Resource
English
IPC:
E02F
Baggern
,
DREDGING
/
B60K
Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen
,
ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES
/
F15B
SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL
,
Druckmittelbetriebene Systeme allgemein
| European Patent Office | 2022