Coal mine underground integral hydrostatic driving vehicle steering wheel steering device and control system

• Main Authors: LIU DENING, FAN JIANGPENG, JIA ERHU, WANG AILING, WANG XIAO, WEI JIANLONG, LI ZAIYOU, YANG JIANYONG, CHEN LIDONG, HE JINGQIANG, LI ZHIWEI, ZHAO RUIPING, FAN RUILONG, MA YANWEI, LAN CHUNLIANG, QIU BO
• Format: Patent
• Language: Chinese; English
• Published: 07.08.2020
• Subjects: ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES; ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS; MOTOR VEHICLES; PERFORMING OPERATIONS; TRAILERS; TRANSPORTING; VEHICLES IN GENERAL

The invention provides a coal mine underground integral hydrostatic driving vehicle steering wheel steering device and a control system. The device comprises a driving bevel gear and a screw control pressure valve which are arranged at the tail end of a steering column of a steering wheel; the screw control pressure valve comprises a valve body, a valve core, a steering valve core driving rod anda driving screw; wherein the valve body is provided with a valve core cavity, an unthreaded hole and a driving rod mounting cylinder are arranged at the front end, and a port P, a port A and a port Tare arranged on the side wall; a guide groove is formed in the inner wall of the driving rod mounting cylinder; the valve element is installed in the valve element cavity in a sealed and sliding modeand circumferentially provided with a hydraulic oil circulation groove, and a reset spring is arranged between the rear end of the valve element and the rear end of the valve body. A guide block is arranged on the side surface