Bidirectional driving accelerator control device of anti-explosion rubber-tyred vehicle under coal mine
The invention belongs to an accelerator control device of an anti-explosion rubber-tyred vehicle under a coal mine, and particularly relates to a bidirectional driving accelerator control device of the anti-explosion rubber-tyred vehicle under the coal mine, which solves the problem of the operation and control of the traditional bidirectional driving accelerator of the anti-explosion rubber-tyred vehicle under the coal mine. The bidirectional driving accelerator control device is an air pressure driving mechanism and comprises an air source device, a forward/backward gear manual reversing valve, two air control valves, two accelerator control pedal valves, a shuttle valve, an accelerator control cylinder and an engine accelerator pull rod, wherein the forward/backward gear manual reversing valve is a three-position five-way valve, the two accelerator control pedal valves are proportional decompression valves, and the accelerator control cylinder is a proportional control cylinder. The bidirectional driving accelerator control device disclosed by the invention has the advantages that the driving is convenient, the assembly is simple, the arrangement is easy, the bidirectional driving in a mutual noninterference way can be realized, the safety performance of a vehicle after the bidirectional driving accelerator control device is used is higher, and the control performance is more humanized. 1. A coal mine underground explosion-proof rubber wheel vehicle of the throttle operating device, which is characterized in that the pneumatic drive mechanism, including the air supply device (1), the forward/reverse gear manual reversing valve (4), two air control valve (6, 7), the two throttle control pedal valve (8, 9), the shuttle valve (10), throttle control cylinder (11), a throttle rod of the engine (14), air supply device (1) is connected with a switch valve (2) of the control port, the switch valve (2) is connected with the implementation of the manual reversing valve (4) a pressure port, gas control valve I (6) air control valve and the pressure port II (7) a pressure port, a manual reversing valve (4) the implementation of the forward gear I mouth company pneumatic controlled valve (6) of the control port, the manual reversing valve (4) the implementation of the reverse gear II mouth company pneumatic controlled valve (7) the control port of the, air control valve I (6) and the control valve II (7) are respectively connected with the implementation of the throttle control pedal opening of the valve I (8) and a throttle control pedal valve II (9) the control port of the, throttle control pedal valve I (8) and a throttle control pedal valve II (9) are respectively connected with the port of the shuttle valve (10) of the two control orifice, the shuttle valve (10) is connected with the implementation of the throttle control cylinder (11) of the air inlet, The manual reversing valve is (4) three-position and five-way valve, when in, two execution mouth are in the unload condition, The throttle control pedal valve to the proportional pressure-reducing valve, The throttle control cylinder (11) for the proportional control cylinder, comprises a cylinder body (11.1), a cylinder (11.1) of the piston is set in the (11.2), piston (11.2) of the piston rod is fixed on (11.4), piston rod (11.4) is provided with a reset spring (11.3), piston (11.2) corresponding to a side of the cylinder block (11.1) is provided with an air inlet (11.10), piston rod (11.4) end extends out of a cylinder (11.1) and the rocker arm (12) is connected with the, rocker arm (12) at the bottom end of the cylinder body (11.1) is hinged, the rocker arm (12) is connected at the top end of the push rod (13) one end of the, push rod (13) is connected with the other end of the throttle rod (14). 2. Underground coal mine explosion-proof rubber wheel vehicle of the throttle operating device according to Claim 1, is characterized in that the switch valve (2) through the implementation of two three-way connector is connected with the reversing valve (4) a pressure port, gas control valve I (6) air control valve and the pressure port II (7) of the pressure port. 3. Underground coal mine explosion-proof rubber wheel vehicle accelerator control device of two-way drive as in Claim 1 or Claim 2, characterized in that the piston rod (11.4) is provided with a guide sleeve (11.8), guide sleeve (11.8) the reset spring fixed on (11.3), guide sleeve (11.3) is connected with the piston (11.2) is connected. 4. Underground coal mine explosion-proof rubber wheel vehicle of the throttle operating device according to Claim 3, characterized in that the cylinder (11.1) with the extending section is arranged at the top of the rocker arm (12) hinged at the bottom end. 5. Underground coal mine explosion-proof rubber wheel vehicle of the throttle operating device according to Claim 3, characterized in that the rocker arm (12) is provided with a number of used for the top end of the push rod (13) connected with the pin hole.