Rubber-tired cart security protection system
Technical field
The present invention relates to a kind of mine vehicle security protection system.
Background technology
Often there is overload in working truck, mine vehicle under colliery in the time of borehole operation, brake failure or hang the vehicle that do not perform and occur sliding existing picture when descending.Due to serious overload, under the effect of acceleration due to gravity, strengthen vehicle movement inertia, directly cause brake failure.In addition mine vehicle long working is seldom carried out handling labor, so be often directed at the malfunctioning accident of for want of time-based maintenance brake system.Because impurity in brake pump is too many, poorly sealed, after the situation such as brake solution is seriously polluted causes brake system to be heated, there is brake pump leakage of oil, storage tank or pipe interface gas leakage, thereby brake failure occurs.Cause chaufeur misoperation in the time of drag and cause engine failure, be also cause vehicle brake malfunctioning main because of one of, as long-time descending can make brake facing frictional heat, brake hubs charing, brake function entirely ineffective.Due to brake failure, stall is the one of the main reasons that causes traffic accident to coal mine operation vehicle; When this external fully loaded descent run, due to driver's operation error, cause vehicle to be hung when the descending not perform be also to cause mine vehicle to occur accident major cause.
Summary of the invention
The object of this invention is to provide a kind of rubber-tired cart security protection system, simple in structure, be easy to realize and reliable operation, this system is comparatively advanced at present, can effectively reduce mine vehicle and occur the probability of personnel casualty accidents, protection chaufeur life security because of stall.
Technical scheme of the present invention is: a kind of rubber-tired cart security protection system, is characterized in that: described system comprises vehicle-mounted stop mechanism (19), road surface, tunnel interception mechanism (18), LED display (1), vehicular gross combined weight detecting sensor (15), wireless base station apparatus (16), radio receiver (17), vehicle-mounted ECU and ground, tunnel ECU;
Wherein vehicle-mounted stop mechanism comprises energy brake (6), air-cut-off break (8), steel rope I (11), Anchor hooks (12), trip mechanism (10), gas path control valve (7A), gas path control valve (7B), gas path control valve (7C); Road surface, tunnel interception mechanism comprises counterweight (2), Tai Sheng mechanism (3), the hiding plate (4) of steel rope II, retarder (5), steel rope II (9), brake disc (13), the automatic pre-tightening apparatus of brake disc (14);
Described energy brake (6) is arranged on blast duct for vehicle, and is fixed on fixed mount on the longeron of vehicle, gas path control valve (7A), gas path control valve (7B), gas path control valve (7C) and corresponding pipeline is fixed on vehicle crossbeam with band; Anchor hook (12) and steel rope I (11) are fixed on vehicle tail and on back axle, and while normally travelling, Anchor hook (12) is through steel rope I (11) and goes up and pass through trip mechanism (10) and be locked on vehicle;
Described retarder (5) and brake disc (13) are fixed on ground, steel rope ⅡTai Sheng mechanism (3) is fixed in wall, it is upper that steel rope II (9) is coiled in brake disc (13) through retarder (5), and steel rope II (9) road surface part is hidden in steel rope II and hides under plate (4); In brake disc (13), be provided with the automatic pre-tightening apparatus of brake disc (14);
Be provided with vehicular gross combined weight detecting sensor (15) apart from ground, tunnel Lan Suo mechanism (18) certain distance, LED display (1) is arranged on the top in tunnel.
No matter whether vehicle normally travels, the data that vehicle-mounted ECU all can record vehicular gross combined weight detecting sensor (15) are issued roadway wireless receiving device (17), control the automatic pre-tightening apparatus of brake disc (14) in advance the predetermincd tension of brake disc (13) is adjusted to suitable size by tunnel ECU, in the time detecting that the speed of a motor vehicle of normal driving vehicle exceeds the default first order speed of a motor vehicle, vehicle-mounted ECU stops the increase of the speed of a motor vehicle by controlling energy brake (6), in the time that the speed of a motor vehicle exceedes the default second stage speed of a motor vehicle, vehicle-mounted ECU can reduce the speed of a motor vehicle by air-cut-off break (8) braking in opening energy brake, if the speed of a motor vehicle recovers normal in the situation that of front two-stage braking, the braking of front two-stage all will be closed, in the time of the stall of vehicle operation mal, vehicle-mounted ECU can be issued ground, tunnel ECU by data by wireless base station apparatus (16), ground, tunnel ECU controls LED display (1), now LED display (1) can show overspeed of vehicle, warning light in this while vehicle also can show vehicle abnormality, ground, tunnel ECU simultaneously can console rope mechanism electromagnetic valve (20) open the Tai Sheng mechanism (3) of steel rope II, utilize the force of inertia that counterweight (2) falls that steel rope II (9) is pulled out and steel rope II (9) is drawn high to predetermined height from the hiding plate (4) of steel rope II, in the time that wheel is pressed onto steel rope II (9), because energy disperser (5) is greater than counterweight gravity to the predetermincd tension of steel rope II (9), steel rope II (9) moves earthward, counterweight (2) is lifted, after cartwheel roll, steel rope II (9) relies on counterweight (2) deadweight on steel rope II uplifting device (3) again to spring back to predetermined altitude Anchor hook (12) and is tangled by steel rope II (9) after steel rope II (9), forces car retardation until vehicle parking by retarder (5) and brake disc (13).
Counterweight (2) hangs over the below of Tai Sheng mechanism (3) by hook, connect the hook that hangs with counterweight with steel rope one end, the other end is connected with rope hook of lifting of steel rope II (9) through after the pulley of Tai Sheng mechanism (3), while not starting road surface, tunnel interception mechanism, with the hook of counterweight (2) by electromagnetic valve (20) thus fix and do not make its whereabouts.
The disc valve of energy brake (6) is arranged on the air cylinder on fixed mount, and gas path control valve (7B) is controlled the flexible of air cylinder, vehicle-mounted ECU control gas path control valve (7B), vehicle-mounted ECU control gas path control valve (7B) thus control the switching of disc valve; When the normal speed of a motor vehicle, the disc valve of energy brake (6) is in opening, and in the time that normal driving vehicle exceedes the default first order speed of a motor vehicle, energy brake (6) relies on vehicle-mounted ECU control electromagnetic valve of gas circuit (7B) that disc valve cuts out.
Make the bleeder line of air-cut-off break (8) into parallel pipeline by three-way pipe, and will be wherein a road and gas path control valve (7C) be in series, by vehicle-mounted ECU control gas path control valve (7C) thus control the switching of air-cut-off break (8); In the time that normal driving vehicle exceedes the default second stage speed of a motor vehicle, vehicle-mounted ECU control gas path control valve (7C) is opened air-cut-off break (8) automatically.
Whether Anchor hook (12) departs from two air cylinder controls on Yi Kao Anchor hook disconnecting gear (10), and vehicle-mounted ECU control gas path control valve (7A) is controlled the flexible of two air cylinders; In vehicle operation mal stall situation and exceed after the default third stage speed of a motor vehicle, vehicle-mounted ECU by controlling gas path control valve (7A) thus controlling two air cylinders on disconnecting gear (10) makes trip mechanism (10) departs from Anchor hook (12).
Two energy dispersers (5) are preset on road surface, tunnel, steel rope II (9) is through retarder (5), in brake disc (13), be provided with the automatic pre-tightening apparatus of brake disc (14), by steel rope deflection pretension, energy disperser (5) is greater than the gravity of counterweight (2) to the predetermincd tension of steel rope II (9), can prevent that Tai Sheng mechanism (3) is by steel rope II (9) pull-out after energy disperser (5), also can prevent from after vehicle is by the steel rope II (9) of lifting being drawn out of because wheel presses down the steel rope II (9) making after energy disperser (5) simultaneously, thereby steel rope II (9) is lifted less than preset height.
Two brake discs (13) are preset on road surface, tunnel, after the stall of vehicle operation mal exceedes the default third stage speed of a motor vehicle, Anchor hook (12) hooks steel rope II (9), steel rope II (9) (13) on brake disc is upper, and brake disc (13) reduces the speed of a motor vehicle by the friction force of energy disperser (5) and brake disc (13).
Two electromagnetic valves (20) of ground, tunnel ECU control steel rope ⅡTai Sheng mechanism are controlled the whereabouts of counterweight (2), the force of inertia that counterweight (2) falls is extracted steel rope II (9) out a segment distance from energy disperser (5), steel rope II (9) is hidden to pull-out plate (4) from steel rope II, it is raised to preset height the most at last simultaneously.
When road surface, tunnel interception mechanism is inoperative, steel rope II (9) is hidden plate (4) by steel rope II, hiding underground, thereby it is normally current not affect vehicle.
Advantage of the present invention is: simple in structure, practical, be easy to reequip on common mine vehicle, real-time controller performance to the speed of a motor vehicle is good, general run of thins lower device starts without manual operation, automatically control by ECU, can effectively reduce the personal casualty event causing because of vehicle stall, this system is comparatively advanced at present.
Brief description of the drawings
Fig. 1 is the vehicle-mounted stop mechanism structural representation of the present invention.
Fig. 2 is road surface, tunnel of the present invention interception mechanism structural representation.
Fig. 3 is the wireless transmission of the present invention and record principle figure.
Fig. 4 is ground, tunnel ECU and tunnel terrestrial wireless receiving device and the catenation principle figure that lifts rope mechanism electromagnetic valve.
Specific implementation method
As depicted in figs. 1 and 2, energy brake (6) is arranged on blast duct for vehicle, and be fixed on fixed mount on the longeron of vehicle, the dish-shaped sheet of energy brake (6) is controlled its switching by the air cylinder being arranged on fixed mount, gas path control valve (7B) is controlled the flexible of air cylinder, vehicle-mounted ECU control gas path control valve; Gas path control valve (7A), gas path control valve (7B), gas path control valve (7C) and corresponding pipeline are fixed on vehicle crossbeam with band; On the longeron of vehicle, by U-shaped card, steel rope I (11) being connected to Anchor hook (12) with vehicle is through in steel rope I (11), steel rope I (11) is coiled at vehicle tail end, when positive Chang Yunhang, Anchor hook (12) led to Anchor hook disconnecting gear (10) and was locked on vehicle; whether Anchor hook (12) departs from according to two air cylinder controls by Anchor hook disconnecting gear (10), and gas path control valve (7A) is controlled the flexible of two air cylinders; A road in parallel gas path control valve (7C) is connected on pipeline on the primer liner of original manual air-cut-off break (8), controls the switching of air-cut-off break (8) by vehicle-mounted ECU control gas path control valve (7C).
Described retarder (5) and brake disc (13) are fixed on ground, steel rope ⅡTai Sheng mechanism (3) is fixed in wall, counterweight (2) hangs over the below of Tai Sheng mechanism (3) by hook, connect the hook that hangs with counterweight with steel rope one end, the other end is connected with rope hook of lifting that lifts steel rope II (9) through after the pulley of Tai Sheng mechanism, while not starting road surface, tunnel interception mechanism, with the hook of counterweight (2) by two electromagnetic valves (20) thus fix and do not make its whereabouts; It is upper that steel rope II (9) is coiled in brake disc (13) through retarder (5), and steel rope II (9) road surface part is hidden in steel rope II and hides under plate (4); In brake disc (13), be provided with the automatic pre-tightening apparatus of brake disc (14);
As shown in Fig. 3 and Fig. 2: LED display (1) is bolted on top, tunnel, stamp ground foot bolt regularly on ground, retarder (5) and brake disc (13) are fixed on ground by holding-down bolt, steel rope ⅡTai Sheng mechanism (3) is fixed in wall, be set with last parts according to order, steel rope II (9) is coiled on brake disc (13) through retarder (5), steel rope II (9) road surface part is hidden in steel rope II and hides under plate (4), be connected with steel rope II (9) by the hook in steel rope ⅡTai Sheng mechanism (3) in hiding plate two ends exposed fraction steel rope II (9).Device when mounted, gives certain predetermincd tension to brake disc (13), and retarder (5) is also corresponding gives certain predetermincd tension, to reach the effect of playing deceleration buffer after startup.
As shown in Figure 4, two electromagnetic valves (20) of ground, tunnel ECU control steel rope ⅡTai Sheng mechanism (3) are controlled the whereabouts of counterweight (2), the force of inertia that counterweight (2) falls is extracted steel rope II (9) out a segment distance from energy disperser (5), steel rope II (9) is hidden to pull-out plate (4) from steel rope II, it is raised to preset height the most at last simultaneously.
Be provided with vehicular gross combined weight detecting sensor (15) apart from (4) 200 meters of left and right of the hiding plate of steel rope II, in the time of vehicle process vehicular gross combined weight detecting sensor (15), the data that record can be given radio receiver in time, ground, tunnel ECU controls the automatic pre-tightening apparatus of brake disc (14) when calculating brake disc (13) predetermincd tension thereby the brake-power control of brake disc is arrived to corresponding size, prevent vehicular gross combined weight little, brake disc (13) braking force is excessive and occur that stopping distance is too short, or vehicular gross combined weight is very large, brake disc (13) braking force is too small and occur the phenomenon that can not brake.
LED display (1) is arranged on the top in tunnel, when Vehicle Driving Cycle, by on-vehicle radio device, current vehicle speed is sent to the unlimited receiving device on road surface, tunnel, LED display (1) will show in real time when the operation conditions of vehicle in front and remind driver safety speed of operation, in the time that the speed of a motor vehicle exceedes the default third stage speed of a motor vehicle, LED display (1) will show the number-plate number of vehicle " hypervelocity " and hypervelocity.
In the speed of a motor vehicle during lower than first order safe speed, LED display (1) shows the restricted speed milimeter number (determining according to the requirement on different ore deposits) in tunnel and points out driver safety to travel, limit the speed of a motor vehicle within the speed of a motor vehicle exceedes tunnel time, on-vehicle radio device can send current vehicle speed data to tunnel terrestrial wireless receiving end, makes LED display (1) show the license plate number of current vehicle speed and this car.
Vehicular drive is indoor is provided with " extremely " hand switch, recognizing when chaufeur that vehicle is hung does not perform or can before the speed of a motor vehicle exceedes the third stage speed of a motor vehicle, press " extremely " hand switch when brake system failure, the now first order, the second stage and third stage braking start simultaneously, can make improper running and stall vehicle be braked timely.
Job procedure
1, before work, as prescribed installs tunnel surface facility, brake disc (13), retarder (5) pretension on request, and steel rope ⅡTai Sheng mechanism (3) is connected with steel rope II, and steel rope II is hidden in steel rope II and hides under plate (4).It is fixing by trip mechanism (10) that steel rope I (11) on car has been coiled , Anchor hook (12) on request.
2, tunnel is the point-to-point communication system that is connected vehicle detection apparatus and ground control unit information exchange with transmission over radio autonomous cruise speed system, mainly formed by onboard wireless sending set (16), radio receiver (17) and main control system, onboard wireless sending set per car is a set of, onboard wireless sending set only sends, and does not receive.Main purpose is to be transferred to tunnel terrestrial contr (ground, tunnel ECU) according to the running state of vehicle by the mode of transmission over radio, realize collection and detection to information of vehicles, vehicle-mounted detection apparatus is realized the collection to vehicle operating parameters, after packing, is delivered to tunnel terrestrial wireless receiving device (17) through onboard wireless sending set (16).Principle as shown in Figure 3.
The principle of work of system is: onboard wireless sending set (16) is by the data of serial ports collection vehicle detecting device, be transferred to tunnel terrestrial wireless receiving device (17) by wireless mode, be transmitted to main control system by radio receiver, when main control system is received vehicle abnormality signal, send control command, start road surface, tunnel interception mechanism (18).Every main control system can connect multiple radio receivers (17), and controls road surface, tunnel interception mechanism (18).
3, when the vehicle operating parameters detecting exceeds the default first order speed of a motor vehicle constantly, energy brake (6) is opened by vehicle-mounted ECU, thereby reaches the object of deceleration, and below the speed of a motor vehicle is reduced to the default first order speed of a motor vehicle time, vehicle-mounted ECU is closed energy brake (6).
4, in the time detecting that vehicle operating parameters exceedes the default second stage speed of a motor vehicle, vehicle-mounted ECU also can be opened air-cut-off break (8) in opening energy brake (6), thereby reach the object of deceleration, below the speed of a motor vehicle is reduced to the default second stage speed of a motor vehicle time, vehicle-mounted ECU control air-cut-off break (8), below the speed of a motor vehicle is reduced to the default first order speed of a motor vehicle time, vehicle-mounted ECU can be closed energy brake (6).
5, in the time detecting that vehicle operating parameters exceeds the default third stage speed of a motor vehicle, road surface, tunnel interception mechanism (18) triggers, LED display (1) shows vehicle " hypervelocity " printed words, steel rope ⅡTai Sheng mechanism (3) pulls out and is raised to preset height by steel rope II (9) from hide plate (4) simultaneously, and the Anchor hook disconnecting gear (10) on vehicle departs from Anchor hook (12).When Anchor hook (12) process steel rope II (9), by retarder (5) and brake disc (13), vehicle compulsory is braked.