Pressure control valve of wheel-type tractor

A pressure control valve of a wheel-type tractor comprises a control valve shell, a clutch electromagnetic valve, a control pressure valve element, a control pressure spring, a control pressure regulator, a lubrication pressure spring and a lubrication pressure valve element. Three cavities are arra...

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Bibliographische Detailangaben
Hauptverfasser:	LUO SHUICHENG, ZHANG KAI, SHI ERCHAN, ZHANG LU, LEI LEI, LIU TAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING BRAKES CLUTCHES COUPLINGS FOR TRANSMITTING ROTATION DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR ENGINEERING ELEMENTS AND UNITS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A pressure control valve of a wheel-type tractor comprises a control valve shell, a clutch electromagnetic valve, a control pressure valve element, a control pressure spring, a control pressure regulator, a lubrication pressure spring and a lubrication pressure valve element. Three cavities are arranged in the control valve shell from left to right and are communicated through an oil duct. The clutch electromagnetic valve is directly installed in the leftmost cavity of the control valve shell, the control pressure valve element is installed in the middle cavity of the control valve shell, the control pressure spring is installed on the upper side of the control pressure valve element and is compressed by the control pressure regulator in the middle cavity of the control valve shell, the lubrication pressure valve element is installed in the right cavity of the control valve shell, and the lubrication pressure spring is installed on the upper side of the lubrication pressure valve element and is compressed. Th