Mining vehicle stable and slow speed control system and support carrier

The utility model discloses a stable and slow speed control system for a mining vehicle and a support carrier. In the control system, a closed pump A port is communicated with a variable displacement motor A port, and a closed pump B port is communicated with a variable displacement motor B port; a...

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Bibliographische Detailangaben
Hauptverfasser:	CHENG YONGFENG, JIA FENGHUA, DENG BAOPING, JIANG ZIFU, ZHANG FENG, DONG WEI, ZHANG XINHONG, XIN SHIMIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL BLASTING BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TRANSPORTING VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a stable and slow speed control system for a mining vehicle and a support carrier. In the control system, a closed pump A port is communicated with a variable displacement motor A port, and a closed pump B port is communicated with a variable displacement motor B port; a shuttle valve Y1 port is communicated with a variable displacement motor A port, and a shuttle valve Y2 port is communicated with a variable displacement motor B port; a port G of the stable retarding control valve is communicated with a port G of the variable displacement motor, a port X of the stable retarding control valve is communicated with a port X of the variable displacement motor, a port P1 of the stable retarding control valve is communicated with a port G of the closed pump, a port P2 of the stable retarding control valve is communicated with a port Z of the shuttle valve, a retarding air control port of the stable retarding control valve is connected with a retarding control switch, and a stable speed