CN103303140A - Double-H operated power takeoff electrical control system capable of carrying out traveling power take-off and use method of electrical control system - Google Patents
Double-H operated power takeoff electrical control system capable of carrying out traveling power take-off and use method of electrical control system Download PDFInfo
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- CN103303140A CN103303140A CN2013102218675A CN201310221867A CN103303140A CN 103303140 A CN103303140 A CN 103303140A CN 2013102218675 A CN2013102218675 A CN 2013102218675A CN 201310221867 A CN201310221867 A CN 201310221867A CN 103303140 A CN103303140 A CN 103303140A
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Abstract
The invention relates to a double-H operated power takeoff electrical control system capable of carrying out traveling power take-off. The electrical control system comprises a gas storage cylinder which is communicated with a gas inlet of a power takeoff after sequentially passing through a power take-off electromagnetic valve and a high-gear shielding valve and meanwhile is communicated with a double-H valve in a rear auxiliary box double-H control system after sequentially passing through a stop electromagnetic valve and a neutral position cylinder; the coil of the power take-off electromagnetic valve is connected in series with a power take-off switch and a low-gear control switch; the coil of the stop electromagnetic valve is connected in series with a stop switch; in the traveling power take-off process, the low-gear control switch ensures that a vehicle can take off power only at the low gear; and in the stop power take-off process, the vehicle is enabled to be at the neutral position by the stop switch and the low-gear control switch is closed to conduct the power take-off electromagnetic valve so as to carry out stop power take-off. By the design, not only the sudden hoisting phenomenon can be avoided, but also traveling power take-off and stop power take-off can be safely carried out.
Description
Technical field
The present invention relates to a kind of power takeoff device control system of dumping car, relate in particular to a kind of power takeoff electric-control system and using method thereof of two H manipulations of the power taking of driving a vehicle, specifically be applicable to avoid unexpected lifting phenomenon, and can safe driving power taking, force taking of parking.
Background technology
At present, domestic normal generation dumping car is unexpected automatic lifting in motion, so that the phenomenon of clobber, and this kind phenomenon tends to cause serious traffic accident, causes huge economic loss, even car crash.Although numerous main engine plants all propose different preventive with refitting factory, all fail fundamentally to solve problems.
The Chinese patent Granted publication number is CN2837570Y, Granted publication day is the air-control device that the utility model patent on November 15th, 2006 discloses a kind of hydraulic unloading mechanism of self-unloading vehicle, this air-control device comprises: air tank, maneuvering valve, hydraulic actuating cylinder, change-over valve, fuel tank, power takeoff cylinder and with the gear type pump of check valve, this maneuvering valve is a three position four-way directional control valve, has gas port A, gas port B, gas port P and gas port T, this gas port P is communicated with this air tank, this gas port T is in communication with the outside, this gas port A is communicated with this change-over valve, this gas port B is communicated with this power takeoff cylinder, and, this power takeoff cylinder, this gear type pump, this change-over valve, this hydraulic actuating cylinder and this fuel tank connect by oil circuit, wherein, between the gas port P of this air tank and this maneuvering valve, also be provided with a safe manoeuvring valve.Although this utility model has improved the safety of its use by the mode that a safe manoeuvring valve is set between air tank, maneuvering valve, it still has following defective:
At first, this utility model is summarized as maloperation with the reason of unexpected lifting phenomenon, thereby it solve just drive a vehicle the time maloperation caused unexpected lifting phenomenon, simultaneously, in order to solve the maloperation problem, it has also abandoned the driving power taking, can only realize force taking of parking, thereby it does not fundamentally solve problems, just can not guarantee safe driving power taking yet;
Secondly, this utility model need to arrange a safe manoeuvring valve between air tank, maneuvering valve, this safe manoeuvring valve not only can increase cost, and can affect the integral layout of parts, in addition, it only plays a similar double insurance effect, maloperation in the time of can only preventing to travel, can not fundamentally solve unexpected lifting phenomenon, cost performance is not high, and practicality is lower.
Summary of the invention
The objective of the invention is to overcome exist in the prior art can not guarantee defective and the problem that safe driving power taking, practicality are lower, the power takeoff electric-control system and the using method thereof that provide a kind of two H that can guarantee safe driving power taking, driven a vehicle power taking that practicality is higher to handle.
For realizing above purpose, technical solution of the present invention is: the power takeoff electric-control system that two H of the power taking of can driving a vehicle handle, comprise air tank and power takeoff, described air tank communicates with the admission port of power takeoff behind the power taking electromagnetic valve, the output shaft of power takeoff is connected with gear type pump, and is in series with the power taking switch at the coil of power taking electromagnetic valve;
Described power taking electromagnetic valve coil, power taking switch altogether circuit on also be in series with a low-grade location master cock;
Described air tank successively behind parking electromagnetic valve, meta cylinder with after double H valve gas circuit in the two H control system of odd-side be connected, and be in series with shut off cock at the coil of electromagnetic valve for braking.
The two H control system of described rear odd-side comprise double H valve and limiting valve;
Described air tank communicates through the admission port of parking electromagnetic valve with the meta cylinder, and the high-grade air extractor duct of meta cylinder communicates with the double H valve admission port, and the low-grade air extractor duct of meta cylinder communicates with the double H valve relief port, and the double H valve air extractor duct communicates with air tank behind limiting valve.
Described air tank communicates with the admission port of power takeoff behind power taking electromagnetic valve, high-grade shielding valve successively, and the coil of high-grade shielding valve all communicates with low-grade air extractor duct, double H valve relief port.
The applied vehicle one of described power takeoff electric-control system has five grades, is respectively 1 grade, 2 grades, 3 grades, 4 grades, 5 grades; Low-grade location in the described low-grade location master cock refers to R shelves, 1 grade, 2 grades or neutral gear.
The using method of the power takeoff electric-control system that a kind of two H of the above-mentioned power taking of driving a vehicle handle, described using method may further comprise the steps:
Driving power taking step: press first the power taking switch, again gear is transferred to low-grade location with closed low-grade location master cock, thereby conducting power taking electromagnetic valve coil place circuit, the coil of power taking electromagnetic valve gets electric, the power taking electromagnetic valve is opened, at this moment, pressurized air in the air tank enters in the rod chamber of power takeoff control cylinder behind the power taking electromagnetic valve, power gear behind the power take-off gear that pressurized air promotes power takeoff and the change-speed box in the odd-side is meshed so that power takeoff is capable, the output shaft driven gear pump running of capable power takeoff is carried out the lifting of vehicle with drive hydraulic system principle, descend with in stop operation, thereby realize the driving power taking;
Force taking of parking step: press first shut off cock, electromagnetic valve for braking coil place circuit is switched on, the coil of electromagnetic valve for braking gets electric, electromagnetic valve for braking is opened, at this moment, pressurized air in the air tank is successively through the parking electromagnetic valve, enter behind the meta cylinder double H valve in the two H control system of rear odd-side with the open slew device after mouth in the odd-side, connection between the transmission shaft, transmission shaft stops operating, vehicle stop is motionless, vehicle is in neutral gear, the low-grade location master cock is closed, press again the power taking switch, thereby conducting power taking electromagnetic valve coil place circuit, the coil of power taking electromagnetic valve gets electric, the power taking electromagnetic valve is opened, at this moment, pressurized air in the air tank enters in the rod chamber of power takeoff control cylinder behind the power taking electromagnetic valve, power gear behind the power take-off gear that pressurized air promotes power takeoff and the change-speed box in the odd-side is meshed so that power takeoff is capable, the output shaft driven gear pump running of capable power takeoff is carried out the lifting of vehicle with drive hydraulic system principle, descend with in stop operation, thereby realize force taking of parking.
Described low-grade location master cock is closed by horizontal gear level control.
Described air tank communicates with the admission port of power takeoff behind power taking electromagnetic valve, high-grade shielding valve successively.
Compared with prior art, beneficial effect of the present invention is:
1, the present invention can drive a vehicle in power takeoff electric-control system that the two H of power taking handle and the using method thereof power taking electromagnetic valve coil, power taking switch altogether circuit be in series with a low-grade location master cock, during use, only have low-grade location master cock, power taking switch closed simultaneously, just can open the power taking electromagnetic valve with conducting power takeoff place gas circuit, effectively avoid the caused unexpected lifting phenomenon of power taking faulty switching; And this low-grade location master cock only could be closed when vehicle is positioned at low-grade location, can avoid automobile to be positioned at high tap position, when hanging 4 or 5 gear such as change-speed box, and the automatic lifting phenomenon that the high oil pressure that causes causes; In addition, this design is to have solved unexpected lifting phenomenon on the basis of keeping the driving power taking.Therefore, the present invention not only can avoid unexpected lifting phenomenon, and can safe driving power taking.
2, the present invention can drive a vehicle power takeoff electric-control system that the two H of power taking handle and the air tank in the using method thereof successively behind parking electromagnetic valve, meta cylinder with after double H valve gas circuit in the odd-side pair H control system be connected, and the coil at electromagnetic valve for braking is in series with shut off cock, during use, this design by shut off cock conducting electromagnetic valve for braking with the open slew device after the connection between mouth, the transmission shaft in the odd-side, so that vehicle is in neutral gear, and closed low-grade location master cock, thereby realization is stopped, power taking is synchronous, avoids the generation of unexpected lifting phenomenon.Therefore, the present invention not only can safety the driving power taking, and can safety force taking of parking.
3, the present invention can drive a vehicle and be provided with the high-grade valve that shields in power takeoff electric-control system that the two H of power taking handle and the using method thereof between power taking electromagnetic valve and power takeoff admission port, this top grade shielding valve not only can mask top grade, so that only could realize the driving power taking in the low grade district, and can avoid direct connection between power taking electromagnetic valve and the air tank, the unexpected lifting phenomenon that causes when long ventilation situation occurring in case the power taking electromagnetic valve hinders for some reason.Therefore, the present invention can effectively avoid vehicle unexpected lifting phenomenon to occur in motion.
4, the present invention can drive a vehicle in power takeoff electric-control system that the two H of power taking handle and the using method thereof by power taking electromagnetic valve coil, power taking switch altogether circuit set up the mode of a low-grade location master cock, safe driving power taking and force taking of parking have been realized, and, if high-grade shielding valve is set between power taking electromagnetic valve, power takeoff admission port, then safety is stronger, in addition, low-grade location master cock, top grade shield valve, and not only price is lower, and volume is little, can not affect the integral layout of parts, cost performance is higher, and practicality is stronger.Therefore, driving power taking and force taking of parking that the present invention can not only safety, and practicality is stronger.
Description of drawings
Fig. 1 is structural representation of the present invention.
Among the figure: air tank 1, power takeoff 2, power taking electromagnetic valve 3, power taking switch 4, low-grade location master cock 5, horizontal gear level 51, electromagnetic valve for braking 6, meta cylinder 7, high-grade air extractor duct 71, low-grade air extractor duct 72, double H valve 8, double H valve admission port 81, double H valve air extractor duct 82, double H valve relief port 83, shut off cock 9, limiting valve 11, high-grade shielding valve 13, the two H control system 14 of rear odd-side.
The specific embodiment
The present invention is further detailed explanation below in conjunction with description of drawings and the specific embodiment.
Referring to Fig. 1, the power takeoff electric-control system that the two H of power taking of can driving a vehicle handle, comprise air tank 1 and power takeoff 2, described air tank 1 communicates with the admission port of power takeoff 2 behind power taking electromagnetic valve 3, the output shaft of power takeoff 2 is connected with gear type pump, and is in series with power taking switch 4 at the coil of power taking electromagnetic valve 3;
Described power taking electromagnetic valve 3 coils, power taking switch 4 altogether circuit on also be in series with a low-grade location master cock 5;
Described air tank 1 successively behind parking electromagnetic valve 6, meta cylinder 7 with after double H valve 8 gas circuits in the two H control system 14 of odd-side be connected, and be in series with shut off cock 9 at the coil of electromagnetic valve for braking 6.
The two H control system 14 of described rear odd-side comprise double H valve 8 and limiting valve 11;
Described air tank 1 communicates through the admission port of parking electromagnetic valve 6 with meta cylinder 7, the high-grade air extractor duct 71 of meta cylinder 7 communicates with double H valve admission port 81, the low-grade air extractor duct 72 of meta cylinder 7 communicates with double H valve relief port 83, and double H valve air extractor duct 82 communicates with air tank 1 behind limiting valve 11.
Described air tank 1 communicates with the admission port of power takeoff 2 behind power taking electromagnetic valve 3, high-grade shielding valve 13 successively, and the coil of high-grade shielding valve 13 all communicates with low-grade air extractor duct 72, double H valve relief port 83.
The applied vehicle one of described power takeoff electric-control system has five grades, is respectively 1 grade, 2 grades, 3 grades, 4 grades, 5 grades; Low-grade location in the described low-grade location master cock 5 refers to R shelves, 1 grade, 2 grades or neutral gear.
The using method of the power takeoff electric-control system that a kind of two H of the above-mentioned power taking of driving a vehicle handle, described using method may further comprise the steps:
Driving power taking step: press first power taking switch 4, again gear is transferred to low-grade location with closed low-grade location master cock 5, thereby conducting power taking electromagnetic valve 3 coil place circuit, the coil of power taking electromagnetic valve 3 gets electric, power taking electromagnetic valve 3 is opened, at this moment, pressurized air in the air tank 1 enters in the rod chamber of power takeoff 2 control cylinders behind power taking electromagnetic valve 3, power gear behind the power take-off gear that pressurized air promotes power takeoff 2 and the change-speed box in the odd-side is meshed so that power takeoff 2 is capable, the output shaft driven gear pump running of capable power takeoff 2 is carried out the lifting of vehicle with drive hydraulic system principle, descend with in stop operation, thereby realize the driving power taking;
Force taking of parking step: press first shut off cock 9, electromagnetic valve for braking 6 coil place circuit are switched on, the coil of electromagnetic valve for braking 6 gets electric, electromagnetic valve for braking 6 is opened, at this moment, pressurized air in the air tank 1 is successively through parking electromagnetic valve 6, enter behind the meta cylinder 7 double H valve 8 in the two H control system 14 of rear odd-side with the open slew device after mouth in the odd-side, connection between the transmission shaft, transmission shaft stops operating, vehicle stop is motionless, vehicle is in neutral gear, low-grade location master cock 5 closures, press again power taking switch 4, thereby conducting power taking electromagnetic valve 3 coil place circuit, the coil of power taking electromagnetic valve 3 gets electric, power taking electromagnetic valve 3 is opened, at this moment, pressurized air in the air tank 1 enters in the rod chamber of power takeoff 2 control cylinders behind power taking electromagnetic valve 3, power gear behind the power take-off gear that pressurized air promotes power takeoff 2 and the change-speed box in the odd-side is meshed so that power takeoff 2 is capable, the output shaft driven gear pump running of capable power takeoff 2 is carried out the lifting of vehicle with drive hydraulic system principle, descend with in stop operation, thereby realize force taking of parking.
Described low-grade location master cock 5 is closed by horizontal gear level 51 controls.
Described air tank 1 communicates with the admission port of power takeoff 2 behind power taking electromagnetic valve 3, high-grade shielding valve 13 successively.
Principle of the present invention is described as follows:
The domestic engineering dump truck automatic lifting when running at high speed that often can occur, the phenomenon of clobber, it often is accompanied by serious traffic accident, even car crash, causes the tremendous economic loss.Described fault vehicle mates two layshaft gearbox more, from the power taking of rear odd-side tween drive shaft, and be responsible for from power taking switch of the many employings of power takeoff device control system of rear odd-side tween drive shaft power taking controlling the power taking electromagnetic valve, with realization driving power taking, and each gear of vehicle can be realized the power taking function of driving a vehicle.But there is potential safety hazard in this kind system:
Hydraulic tubing in the hydraulic efficiency pressure system of this system support (control vehicle lifting, decline, in the hydraulic efficiency pressure system of stopping operating) is long and latus rectum is again less, when the power takeoff rotating speed is higher (when change-speed box is hung 4,5 gear), even the lifting control handle is in lowering position, oil cylinder is automatic jack-up also, thereby unexpected lifting phenomenon occurs, and potential safety hazard is very large; In addition, power takeoff electromagnetic valve, air tank in the existing control system directly connect, in case power takeoff electromagnetic valve et out of order, such as the crosstalk of power taking switch etc., long ventilation situation will appear in power takeoff, at this moment, power takeoff will automatic operation, and unexpected lifting phenomenon easily occurs.
For above defective, the solution of having announced is a lot, but all can not guarantee safe driving power taking, force taking of parking, even some technical scheme is avoided the generation of unexpected lifting phenomenon as cost take the power taking of abandoning driving a vehicle, and solve above defective in the control in driven force of the present invention source (power takeoff), not only can avoid the generation of unexpected lifting phenomenon, and driving power taking, force taking of parking that can safety, cost performance is very high, and practicality is very strong.
Embodiment 1:
The power takeoff electric-control system that a kind of two H of the power taking of driving a vehicle handle, comprise air tank 1, power takeoff 2, power taking electromagnetic valve 3, power taking switch 4, low-grade location master cock 5, electromagnetic valve for braking 6, meta cylinder 7, shut off cock 9, high-grade shielding valve 13 and the two H control system 14 of rear odd-side, two H control system 14 of odd-side comprise double H valve 8 and limiting valve 11 after this;
Described air tank 1 communicates (admission port of power takeoff 2 communicates with the rod chamber of the control cylinder of power takeoff 2) with the admission port of power takeoff 2 behind power taking electromagnetic valve 3, high-grade shielding valve 13 successively, and the output shaft of power takeoff 2 is connected with gear type pump; Described air tank 1 communicates through the admission port of parking electromagnetic valve 6 with meta cylinder 7, the high-grade air extractor duct 71 of meta cylinder 7 communicates with double H valve admission port 81, the low-grade air extractor duct 72 of meta cylinder 7 communicates with double H valve relief port 83, and double H valve air extractor duct 82 communicates with air tank 1 behind limiting valve 11;
Be in series with a power taking switch 4, a low-grade location master cock 5 on described power taking electromagnetic valve 3 coils; Be in series with a shut off cock 9 on the coil of described electromagnetic valve for braking 6; The coil of described high-grade shielding valve 13 all communicate with low-grade air extractor duct 72, double H valve relief port 83 (folding of high-grade shielding valve 13 is controlled by the gas of low-grade air extractor duct 72, connect when in the pipeline gas being arranged, when dying by the spring disconnection);
The applied vehicle one of described power takeoff electric-control system has five grades, is respectively 1 grade, 2 grades, 3 grades, 4 grades, 5 grades; Low-grade location in the described low-grade location master cock 5 refers to R shelves, 1 grade, 2 grades or neutral gear.
The using method of the power takeoff electric-control system that a kind of two H of the above-mentioned power taking of driving a vehicle handle, described using method may further comprise the steps:
Driving power taking step: press first power taking switch 4, again gear is transferred to low-grade location closed by horizontal gear level 51 controls with the described low-grade location master cock 5 of closed low-grade location master cock 5(), thereby conducting power taking electromagnetic valve 3 coil place circuit, the coil of power taking electromagnetic valve 3 gets electric, power taking electromagnetic valve 3 is opened, at this moment, pressurized air in the air tank 1 is successively through power taking electromagnetic valve 3, enter in the rod chamber of power takeoff 2 control cylinders behind the high-grade shielding valve 13, power gear behind the power take-off gear that pressurized air promotes power takeoff 2 and the change-speed box in the odd-side is meshed so that power takeoff 2 is capable, the output shaft driven gear pump running of capable power takeoff 2 is carried out the lifting of vehicle with drive hydraulic system principle, descend with in stop operation, thereby realize the driving power taking;
Force taking of parking step: press first shut off cock 9, electromagnetic valve for braking 6 coil place circuit are switched on, the coil of electromagnetic valve for braking 6 gets electric, electromagnetic valve for braking 6 is opened, at this moment, pressurized air in the air tank 1 is successively through parking electromagnetic valve 6, enter behind the meta cylinder 7 double H valve 8 in the two H control system 14 of rear odd-side with the open slew device after mouth in the odd-side, connection between the transmission shaft, transmission shaft stops operating, vehicle stop is motionless, vehicle is in neutral gear, low-grade location master cock 5 closures, press again power taking switch 4, thereby conducting power taking electromagnetic valve 3 coil place circuit, the coil of power taking electromagnetic valve 3 gets electric, power taking electromagnetic valve 3 is opened, at this moment, pressurized air in the air tank 1 is successively through power taking electromagnetic valve 3, enter in the rod chamber of power takeoff 2 control cylinders behind the high-grade shielding valve 13, power gear behind the power take-off gear that pressurized air promotes power takeoff 2 and the change-speed box in the odd-side is meshed so that power takeoff 2 is capable, the output shaft driven gear pump running of capable power takeoff 2 is carried out the lifting of vehicle with drive hydraulic system principle, descend with in stop operation, thereby realize force taking of parking.
Claims (7)
1. the power takeoff electric-control system that the two H of power taking of can driving a vehicle handle, comprise air tank (1) and power takeoff (2), described air tank (1) communicates with the admission port of power takeoff (2) behind power taking electromagnetic valve (3), the output shaft of power takeoff (2) is connected with gear type pump, and the coil at power taking electromagnetic valve (3) is in series with power taking switch (4), it is characterized in that:
Described power taking electromagnetic valve (3) coil, power taking switch (4) altogether circuit on also be in series with a low-grade location master cock (5);
Described air tank (1) is connected with double H valve (8) gas circuit in the two H control system (14) of rear odd-side behind parking electromagnetic valve (6), meta cylinder (7) successively, and is in series with shut off cock (9) at the coil of electromagnetic valve for braking (6).
2. the power takeoff electric-control system handled of the two H of the power taking of driving a vehicle according to claim 1 is characterized in that:
The two H control system (14) of described rear odd-side comprise double H valve (8) and limiting valve (11);
Described air tank (1) communicates through the admission port of parking electromagnetic valve (6) with meta cylinder (7), the high-grade air extractor duct (71) of meta cylinder (7) communicates with double H valve admission port (81), the low-grade air extractor duct (72) of meta cylinder (7) communicates with double H valve relief port (83), and double H valve air extractor duct (82) communicates with air tank (1) behind limiting valve (11).
3. the power takeoff electric-control system handled of the two H of the power taking of driving a vehicle according to claim 2 is characterized in that:
Described air tank (1) communicates with the admission port of power takeoff (2) behind power taking electromagnetic valve (3), high-grade shielding valve (13) successively, and the coil of high-grade shielding valve (13) all communicates with low-grade air extractor duct (72), double H valve relief port (83).
4. according to claim 1, the power takeoff electric-control system handled of the two H of the 2 or 3 described power takings of driving a vehicle, it is characterized in that: the applied vehicle one of described power takeoff electric-control system has five grades, is respectively 1 grade, 2 grades, 3 grades, 4 grades, 5 grades; Low-grade location in the described low-grade location master cock (5) refers to R shelves, 1 grade, 2 grades or neutral gear.
5. the using method of the power takeoff electric-control system handled of the two H of the power taking of driving a vehicle claimed in claim 1 is characterized in that described using method may further comprise the steps:
Driving power taking step: press first power taking switch (4), again gear is transferred to low-grade location with closed low-grade location master cock (5), thereby conducting power taking electromagnetic valve (3) coil place circuit, the coil of power taking electromagnetic valve (3) gets electric, power taking electromagnetic valve (3) is opened, at this moment, pressurized air in the air tank (1) enters in the rod chamber of power takeoff (2) control cylinder behind power taking electromagnetic valve (3), power gear behind the power take-off gear that pressurized air promotes power takeoff (2) and the change-speed box in the odd-side is meshed so that power takeoff (2) is capable, the output shaft driven gear pump running of capable power takeoff (2) is carried out the lifting of vehicle with drive hydraulic system principle, descend with in stop operation, thereby realize the driving power taking;
Force taking of parking step: press first shut off cock (9), electromagnetic valve for braking (6) coil place circuit is switched on, the coil of electromagnetic valve for braking (6) gets electric, electromagnetic valve for braking (6) is opened, at this moment, pressurized air in the air tank (1) is successively through parking electromagnetic valve (6), enter behind the meta cylinder (7) double H valve (8) in the two H control system (14) of rear odd-side with the open slew device after mouth in the odd-side, connection between the transmission shaft, transmission shaft stops operating, vehicle stop is motionless, vehicle is in neutral gear, low-grade location master cock (5) closure, press again power taking switch (4), thereby conducting power taking electromagnetic valve (3) coil place circuit, the coil of power taking electromagnetic valve (3) gets electric, power taking electromagnetic valve (3) is opened, at this moment, pressurized air in the air tank (1) enters in the rod chamber of power takeoff (2) control cylinder behind power taking electromagnetic valve (3), power gear behind the power take-off gear that pressurized air promotes power takeoff (2) and the change-speed box in the odd-side is meshed so that power takeoff (2) is capable, the output shaft driven gear pump running of capable power takeoff (2) is carried out the lifting of vehicle with drive hydraulic system principle, descend with in stop operation, thereby realize force taking of parking.
6. the using method of the power takeoff electric-control system handled of the two H of a kind of power taking of driving a vehicle according to claim 5, it is characterized in that: described low-grade location master cock (5) is closed by horizontal gear level (51) control.
7. according to claim 5 or the using method of the power takeoff electric-control system handled of the two H of 6 described a kind of power takings of driving a vehicle, it is characterized in that: described air tank (1) communicates with the admission port of power takeoff (2) behind power taking electromagnetic valve (3), high-grade shielding valve (13) successively.
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| CN201310221867.5A CN103303140B (en) | 2013-06-06 | 2013-06-06 | Double-H operated power takeoff electrical control system capable of carrying out traveling power take-off and use method of electrical control system |
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| CN201310221867.5A CN103303140B (en) | 2013-06-06 | 2013-06-06 | Double-H operated power takeoff electrical control system capable of carrying out traveling power take-off and use method of electrical control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103692985A (en) * | 2013-12-30 | 2014-04-02 | 安徽江淮汽车股份有限公司 | Automatic automobile power-on and power-off system |
| WO2017210891A1 (en) * | 2016-06-08 | 2017-12-14 | 徐州重型机械有限公司 | Power take-off control system and construction vehicle |
| CN108583278A (en) * | 2018-03-30 | 2018-09-28 | 东风商用车有限公司 | A kind of power takeoff relay control system and its application method with clutch |
| CN108626389A (en) * | 2018-06-07 | 2018-10-09 | 陕西法士特汽车传动集团有限责任公司 | A kind of commercial car rear power takeoff work protection system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103692985A (en) * | 2013-12-30 | 2014-04-02 | 安徽江淮汽车股份有限公司 | Automatic automobile power-on and power-off system |
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| CN108583278A (en) * | 2018-03-30 | 2018-09-28 | 东风商用车有限公司 | A kind of power takeoff relay control system and its application method with clutch |
| CN108583278B (en) * | 2018-03-30 | 2023-05-05 | 东风商用车有限公司 | Power takeoff relay control system with clutch and application method thereof |
| CN108626389A (en) * | 2018-06-07 | 2018-10-09 | 陕西法士特汽车传动集团有限责任公司 | A kind of commercial car rear power takeoff work protection system |
| CN108626389B (en) * | 2018-06-07 | 2023-11-14 | 陕西法士特汽车传动集团有限责任公司 | Rear power takeoff work protection system of commercial vehicle |
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| CN103303140B (en) | 2015-06-24 |
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