CN103264690A - Elastic rubber belt energy accumulator type loader-braked energy regeneration control system - Google Patents
Elastic rubber belt energy accumulator type loader-braked energy regeneration control system Download PDFInfo
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- CN103264690A CN103264690A CN2013101648854A CN201310164885A CN103264690A CN 103264690 A CN103264690 A CN 103264690A CN 2013101648854 A CN2013101648854 A CN 2013101648854A CN 201310164885 A CN201310164885 A CN 201310164885A CN 103264690 A CN103264690 A CN 103264690A
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Abstract
The invention discloses an elastic rubber belt energy accumulator type loader-braked energy regeneration control system. The elastic rubber belt energy accumulator type loader-braked energy regeneration control system comprises elastic rubber belt energy accumulators, a gearbox, brakes, clutches, an electronic control unit, an accelerator pedal switch, a brake pedal switch, a reverse gear switch, a neutral switch, a vehicle speed sensor, drum shaft turn angle starting position sensors, drum shaft turn angle terminating position sensors and a hydraulic control module. The system is capable of identifying driving state of a loader automatically and performing braking energy recovery control and braking energy release control when the loader moves forwards, braking energy recovery control and braking energy release control when the loader backs off and braking energy sustaining, so that fuel consumption of the loader is lowered while emission is reduced.
Description
Technical field
The present invention relates to load mechanism energy regeneration techniques field, more particularly say, relate to a kind of elastic rubber band energy storage type loader braking energy regeneration control system.
Background technology
Along with energy demand increases and the oil resources aggravation of deficient contradiction day by day fast, energy-saving and emission-reduction more and more receive global concern.Loader is a kind of important engineering machinery of engineering construction operation, its topmost characteristics are for cyclical loadings is lacked, advances duty cycle, reversing, braking, driveaway operation are frequent, loader is in frequent braking procedure, kinetic energy and the potential energy all friction force on the friction force by drg and tire and ground are converted into heat energy and slattern, not only reduce the service life of drg and tire, and increased oil consumption.
Present existing braking energy recovery and regeneration system and control method mainly contain by the mode branch of energy storage: electric energy storage type, hydraulic accumulation energy type and fly wheel energy storage type.The electricity energy storage type is converted into electrical power storage by electrical generator in storage battery or super capacitor with the kinetic energy of vehicle, deficiency such as exist the cost height, the braking energy recovery utilization rate is low and energy conversion efficiency is low; Hydraulic accumulation energy type is by secondary components such as Hydraulic Pumps the kinetic energy of vehicle to be converted into hydraulic pressure can be stored in the energy storage, and it is low to exist energy density, deficiencies such as weight is big, complex structure; Fly wheel energy storage type is the kinetic energy that the kinetic energy of vehicle is converted into high speed flywheel, and this energy storage mode exists deficiencies such as cost height, technical risk is big, technology is immature.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can overcome above-mentioned defective, give full play to that the rubber tape accumulator is simple in structure, in light weight, the energy transformation ratio advantages of higher, operation intention and the loader that can judge chaufeur automatically advances, reversing, braking, starting state, realizes the elastic rubber band energy storage type loader braking energy regeneration control system that braking energy reclaimed control when braking energy reclaimed control, reversing when loader advanced, braking energy discharged control when braking energy discharged control, reversing when advancing.
Its technical scheme is: a kind of elastic rubber band energy storage type loader braking energy regeneration control system comprises the first elastic rubber band energy storage, the second elastic rubber band energy storage, gear, first drg, second drg, first clutch, second clutch, the acceleration pedal switch, the brake pedal switch, reverse gear switch, neutral switch, car speed sensor, the first drum shaft corner detects end plate, the second tin roller Shaft angle detects end plate, ECU (Electrical Control Unit), hydraulic control module, the first drum shaft corner home sensor, second tin roller Shaft angle home sensor, the first drum shaft corner final position sensor, second tin roller Shaft angle final position sensor.
Wherein: the first elastic rubber band energy storage is used for advance energy storage and reversing of loader and discharges braking energy and drive loader and realize braking energy regeneration.
The second elastic rubber band energy storage is used for loader reversing energy storage and advances discharging braking energy driving loader realization braking energy regeneration.
Gear is used for realizing second universal drive shaft of the first elastic rubber band energy storage, the second elastic rubber band energy storage and loader, the power transmission of the 3rd universal drive shaft.
First drg is used for realizing the braking control of the first elastic rubber band energy storage.
Second drg is used for realizing the braking control of the second elastic rubber band energy storage.
First clutch is for the power Engagement Control that realizes the first elastic rubber band energy storage.
Second clutch is for the power Engagement Control that realizes the second elastic rubber band energy storage.
The acceleration pedal switch, for detection of chaufeur whether to put one's foot down.
Whether the brake pedal switch depresses brake pedal for detection of chaufeur.
Whether reverse gear switch is in backing car gear for detection of loader.
Whether neutral switch is in the neutral gear gear for detection of loader.
Car speed sensor is used for measuring the loader moving velocity.
The first drum shaft corner detects end plate, is used for the angle that shows that first cylinder turns over.
The second tin roller Shaft angle detects end plate, is used for the angle that shows that second tin roller turns over.
Whether the first drum shaft corner home sensor has discharged stored energy for detection of first energy storage.
Whether second tin roller Shaft angle home sensor has discharged stored energy for detection of second energy storage.
Whether the first drum shaft corner final position sensor stores full energy for detection of first energy storage.
Whether second tin roller Shaft angle final position sensor stores full energy for detection of second energy storage.
ECU (Electrical Control Unit), adopt micro controller system, its input end connects the acceleration pedal switch, the brake pedal switch, reverse gear switch, neutral switch, car speed sensor, the first drum shaft corner home sensor, second tin roller Shaft angle home sensor, the first drum shaft corner final position sensor, second tin roller Shaft angle final position sensor, the motoring condition that advances that is used for the identification loader, the reverse travel state, the starting state advances, the speed of operation of reversing starting state and judgement loader and the starting of chaufeur and braking intention, and the state of judging the elastic potential energy that stores in the first elastic rubber band energy storage and the second elastic rubber band energy storage; Its mouth connects the first solenoid directional control valve magnet coil, the second solenoid directional control valve magnet coil, the 3rd solenoid directional control valve magnet coil and the 4th solenoid directional control valve magnet coil of hydraulic control module, and braking energy reclaims control when being used for carrying out loader braking energy reclaiming control, reversing when advancing, braking energy discharged control and braking energy retentive control when braking energy discharged control, reversing when advancing.
Hydraulic control module comprises first solenoid directional control valve, second solenoid directional control valve, the 3rd solenoid directional control valve, the 4th solenoid directional control valve, check valve, by pass valve, Hydraulic Pump, oil filter, fuel tank.
Wherein, the A hydraulic fluid port of first solenoid directional control valve connects the oil inlet of first clutch, the A hydraulic fluid port of second solenoid directional control valve connects the oil inlet of second clutch, the A hydraulic fluid port of the 3rd solenoid directional control valve connects the oil inlet of second drg, the A hydraulic fluid port of the 4th solenoid directional control valve connects the oil inlet of first drg, the oil inlet of fuel tank connects the T hydraulic fluid port of first solenoid directional control valve simultaneously, the T hydraulic fluid port of second solenoid directional control valve, the T hydraulic fluid port of the 3rd solenoid directional control valve, the T hydraulic fluid port of the 4th solenoid directional control valve and the oil outlet of by pass valve, the oil outlet of check valve connects the first solenoid directional control valve P hydraulic fluid port simultaneously, the second solenoid directional control valve P hydraulic fluid port, the P hydraulic fluid port of the 3rd solenoid directional control valve P hydraulic fluid port and the 4th solenoid directional control valve, the oil inlet of check valve and the oil inlet of by pass valve connect the oil outlet of Hydraulic Pump simultaneously, the oil inlet of Hydraulic Pump connects the oil outlet of oil filter, the oil outlet of the oil inlet connected tank of oil filter.
The present invention compared with prior art has following advantage:
(1) elastic rubber band energy storage type loader braking energy regeneration control system of the present invention, automatically identification of driver advance, move backward, brake, accelerate intention, detect the state of the elastic potential energy that stores in loader speed, the first elastic rubber band energy storage and the second elastic rubber band energy storage;
(2) elastic rubber band energy storage type loader braking energy regeneration control system of the present invention, braking energy reclaimed control when braking energy reclaimed control, reversing in the time of can realizing that loader advances, braking energy discharged control and braking energy retentive control when braking energy discharged control, reversing when advancing, thereby reached the purpose of energy-saving and emission-reduction;
(3) elastic rubber band energy storage type loader braking energy regeneration control system of the present invention can reduce the drg abrasion, prolongs drg service life, improves the brake efficiency of loader.
Description of drawings
Fig. 1 is the system architecture scheme drawing of the embodiment of the invention.
Fig. 2 is that the first drum shaft corner detects the end plate structural representation in the embodiment of the invention.
Fig. 3 is that the second tin roller Shaft angle detects the end plate structural representation in the embodiment of the invention.
Among the figure: 1, propons main reduction gear 2, the 3rd universal drive shaft 3, rear-end gear reduction 4, first universal drive shaft 5, second universal drive shaft 100, gear 101, first drg 102, first clutch 103, second drg 104, second clutch 200, change-speed box 201, reverse gear switch 202, neutral switch 203, car speed sensor 300, the first rubber tape energy storage 301, the first drum shaft corner home sensor 302, the first drum shaft corner detects end plate 302a, the first drum shaft corner detects projection 303, the first drum shaft corner final position sensor 400, the second rubber tape energy storage 401, second tin roller Shaft angle home sensor 402, the second tin roller Shaft angle detects end plate 402a, second tin roller Shaft angle test side projection 403, second tin roller Shaft angle final position sensor 500, ECU (Electrical Control Unit) 501, acceleration pedal switch 502, brake pedal switch 503, ignition lock 600, hydraulic efficiency pressure system module 601, the first solenoid directional control valve 601a, the first solenoid directional control valve magnet coil 602, the second solenoid directional control valve 602a, the second solenoid directional control valve magnet coil 603, the 3rd solenoid directional control valve 603a, the 3rd solenoid directional control valve magnet coil 604, the 4th solenoid directional control valve 604a, the 4th solenoid directional control valve magnet coil 605, check valve 606, by pass valve 607, Hydraulic Pump 608, oil filter 609, fuel tank
The specific embodiment
Describe the present invention below in conjunction with drawings and Examples.
The first elastic rubber band energy storage 300, being used for advance energy storage and reversing of loader discharges braking energy and drives loader and realize braking energy regeneration, when loader advances the braking energy recovery, the first elastic rubber band energy storage 300 carries out energy storage, when loader was moveed backward braking energy release, the first elastic rubber band energy storage 300 carried out energy and discharges.
The second elastic rubber band energy storage 400, be used for loader reversing energy storage and advance discharging braking energy driving loader realization braking energy regeneration, when loader reversing braking energy reclaims, the second elastic rubber band energy storage 400 carries out energy storage, when loader advanced braking energy release, the second elastic rubber band energy storage 400 carried out energy and discharges.
Gear 100 is used for realizing with the first elastic rubber band energy storage 300, the second elastic rubber band energy storage 400 and second universal drive shaft 5 of loader, the power transmission of the 3rd universal drive shaft 2.
Whether brake pedal switch 502 depresses brake pedal for detection of chaufeur, when brake pedal is depressed, and brake pedal switch 502 closures, when brake pedal was not depressed, brake pedal switch 502 disconnected.
Whether reverse gear switch 201 is in backing car gear for detection of loader, when chaufeur is hung on reverse gear with loader, and reverse gear switch 201 closures, when chaufeur was not hung on reverse gear with loader, reverse gear switch 201 disconnected.
Whether neutral switch 202 is in the neutral gear gear for detection of loader, when chaufeur is hung on neutral gear with loader, and neutral switch 202 closures, when chaufeur was not hung on neutral gear with loader, neutral switch 201 disconnected.
The first drum shaft corner detects end plate 302, is used for the angle that shows that first cylinder turns over.
Whether the first drum shaft corner home sensor 301 has discharged stored energy for detection of the first elastic rubber band energy storage 300.
Whether the first drum shaft corner final position sensor 303 stores full energy for detection of the first elastic rubber band energy storage 300.
The first drum shaft corner detects the end on end plate 302 is fixedly attached to the first elastic rubber band energy storage 300 by key the tube axle, when the first elastic rubber band energy storage 300 is in initial position, the first drum shaft corner detects projection 302a and just in time aims at the first drum shaft corner home sensor 301, this initial position is that the elastic potential energy of the first elastic rubber band energy storage, 300 storages discharges the ultimate position, at this moment, the first drum shaft corner home sensor 301 can detect the cylinder initial position signal; When detecting end plate 302, the first drum shaft corner under drum shaft drives, turns over certain angle, when first drum shaft corner detection projection 302a aims at the first drum shaft corner final position sensor 303, this final position is the elastic potential energy process accumulation of energy ultimate position of the first elastic rubber band energy storage, 300 storages, at this moment, the first drum shaft corner final position sensor 303 can detect cylinder final position signal.
The second tin roller Shaft angle detects end plate 402, is used for the angle that shows that second tin roller turns over.
Whether second tin roller Shaft angle home sensor 401 has discharged stored energy for detection of the second elastic rubber band energy storage 400.
Whether second tin roller Shaft angle final position sensor 403 stores full energy for detection of the second elastic rubber band energy storage 400.
The second tin roller Shaft angle detects the end on end plate 402 is fixedly attached to the second elastic rubber band energy storage 400 by key the tube axle, when the second elastic rubber band energy storage 400 is in initial position, the second tin roller Shaft angle detects projection 402a and just in time aims at second tin roller Shaft angle home sensor 401, this initial position is that the elastic potential energy of the second elastic rubber band energy storage, 400 storages discharges the ultimate position, at this moment, second tin roller Shaft angle home sensor 401 can detect the cylinder initial position signal; When detecting end plate 302, the first drum shaft corner under drum shaft drives, turns over certain angle, when the second tin roller Shaft angle detects projection 402a aligning second tin roller Shaft angle final position sensor 403, this final position is the elastic potential energy process accumulation of energy ultimate position of the second elastic rubber band energy storage, 400 storages, at this moment, second tin roller Shaft angle final position sensor 403 can detect cylinder final position signal.
ECU (Electrical Control Unit) 500, adopt micro controller system, its input end connects acceleration pedal switch 501, brake pedal switch 502, reverse gear switch 201, neutral switch 202, car speed sensor 203, the first drum shaft corner home sensor 301, second tin roller Shaft angle home sensor 401, the first drum shaft corner final position sensor 303, second tin roller Shaft angle final position sensor 403, the motoring condition that advances that is used for the identification loader, the reverse travel state, the starting state advances, the speed of operation of reversing starting state and judgement loader and the starting of chaufeur and braking intention, and the state of judging the elastic potential energy that stores in the first elastic rubber band energy storage 300 and the second elastic rubber band energy storage 400; The mouth of ECU (Electrical Control Unit) 500 connects the first solenoid directional control valve magnet coil 601a, the second solenoid directional control valve magnet coil 602a, the 3rd solenoid directional control valve magnet coil 603a and the 4th solenoid directional control valve magnet coil 604a of hydraulic control module 600, and braking energy reclaims control when being used for carrying out loader braking energy reclaiming control, reversing when advancing, braking energy discharged control and braking energy retentive control when braking energy discharged control, reversing when advancing.
Hydraulic control module comprises first solenoid directional control valve 601, second solenoid directional control valve 602, the 3rd solenoid directional control valve 603, the 4th solenoid directional control valve 604, check valve 605, by pass valve 606, Hydraulic Pump 607, oil filter 608, fuel tank 609.
The A hydraulic fluid port of first solenoid directional control valve 601 connects the oil inlet of the control oil cylinder of first clutch 102, the A hydraulic fluid port of second solenoid directional control valve 602 connects the oil inlet of the control oil cylinder of second clutch 104, the A hydraulic fluid port of the 3rd solenoid directional control valve 603 connect second drg 103 the control oil cylinder oil inlet, the A hydraulic fluid port of the 4th solenoid directional control valve 604 connects the oil inlet of the control oil cylinder of first drg 101, the oil return pipe of fuel tank 609 connects the T hydraulic fluid port of first solenoid directional control valve 601 simultaneously, the T hydraulic fluid port of second solenoid directional control valve 602, the T hydraulic fluid port of the 3rd solenoid directional control valve 603, the T hydraulic fluid port of the 4th solenoid directional control valve 604 and the oil outlet of by pass valve 606, the oil outlet of check valve 605 connects the P hydraulic fluid port of first solenoid directional control valve 601 simultaneously, the P hydraulic fluid port of second solenoid directional control valve 602, the P hydraulic fluid port of the P hydraulic fluid port of the 3rd solenoid directional control valve 603 and the 4th solenoid directional control valve 604, the oil inlet of the oil inlet of check valve 605 and by pass valve 606 connects the oil outlet of Hydraulic Pump 607 simultaneously, the oil inlet of Hydraulic Pump 607 connects the oil outlet of oil filter 608, the oil outlet of the oil inlet connected tank 609 of oil filter 608.
The working process that control system is carried out load mechanism energy recovery control and braking energy release control and braking energy retentive control is.
In loader advances travelling brake energy removal process, ECU (Electrical Control Unit) 500 makes the first solenoid directional control valve magnet coil 601a and the 4th solenoid directional control valve magnet coil 604a energising, the control position of conversion first solenoid directional control valve 601 and the 4th solenoid directional control valve 604, the high-pressure oil passage that leads to first drg 101 is blocked, the oil return line that the high-pressure oil passage of first drg 101 leads to fuel tank is switched on, the working piston of first drg 101 resets under the effect of pull back spring, hydraulic oil in the plunger shaft flows back to fuel tank 609 through oil return line, first drg 101 is in non-braking mode, simultaneously, the high-pressure oil passage that leads to first clutch 102 is switched on, the oil return line that first clutch 102 leads to fuel tank 609 is blocked, and first clutch 102 is in engagement state; Kinetic energy when loader advances braking is stored in the first elastic rubber band energy storage 300 by the elastic potential energy that propons main reduction gear 1, the 3rd universal drive shaft 2, rear-end gear reduction 3, first universal drive shaft 4, second universal drive shaft 5, change-speed box 200, gear 100, first clutch 102 convert elastic rubber band to by wheel.
Carry out in the reverse travel braking energy removal process at loader, ECU (Electrical Control Unit) 500 makes the second solenoid directional control valve magnet coil 602a and the 3rd solenoid directional control valve magnet coil 603a energising, the control position of conversion second solenoid directional control valve 602 and the 3rd solenoid directional control valve 603, the high-pressure oil passage that leads to second drg 103 is blocked, the oil return line that second drg 103 leads to fuel tank is switched on, the working piston of second drg 103 resets under the effect of pull back spring, hydraulic oil in the plunger shaft flows back to fuel tank 609 through oil return line, second drg 103 is in non-braking mode, simultaneously, the high-pressure oil passage that leads to second clutch 104 is switched on, the oil return line that second clutch 104 leads to fuel tank 609 is blocked, and second clutch 104 is in engagement state; Kinetic energy during loader reversing braking is stored in the second elastic rubber band energy storage 400 by the elastic potential energy that propons main reduction gear 1, the 3rd universal drive shaft 2, rear-end gear reduction 3, first universal drive shaft 4, second universal drive shaft 5, change-speed box 200, gear 100, second clutch 104 convert elastic rubber band to by wheel.
In loader advances travelling brake energy dispose procedure, ECU (Electrical Control Unit) 500 makes the second solenoid directional control valve magnet coil 602a and the 3rd solenoid directional control valve magnet coil 603a energising, the control position of conversion second solenoid directional control valve 602 and the 3rd solenoid directional control valve 603, the high-pressure oil passage that leads to second drg 103 is blocked, the oil return line that second drg 103 leads to fuel tank is switched on, the working piston of second drg 103 resets under the effect of pull back spring, hydraulic oil in the plunger shaft flows back to fuel tank 609 through oil return line, second drg 103 is in non-braking mode, simultaneously, the high-pressure oil passage that leads to second clutch 104 is switched on, the oil return line that second clutch 104 leads to fuel tank 609 is blocked, and second clutch 104 is in engagement state; The elastic potential energy that stores in the second elastic rubber band energy storage 400 converts the kinetic energy of loader drive wheel to by second clutch 104, gear 100, the 3rd universal drive shaft 2, propons main reduction gear 1, change-speed box 200, first universal drive shaft 4, second universal drive shaft 5, rear-end gear reduction 3, thereby drives the loader starting of advancing.
In loader is moveed backward starting braking energy dispose procedure, ECU (Electrical Control Unit) 500 makes the first solenoid directional control valve magnet coil 601a and the 4th solenoid directional control valve magnet coil 604a energising, the control position of conversion first solenoid directional control valve 601 and the 4th solenoid directional control valve 604, the high-pressure oil passage that leads to first drg 101 is blocked, the oil return line that first drg 101 leads to fuel tank 609 is switched on, the working piston of first drg 101 resets under the effect of pull back spring, hydraulic oil in the plunger shaft flows back to fuel tank 609 through oil return line, first drg 101 is in non-braking mode, simultaneously, the high-pressure oil passage that leads to first clutch 102 is switched on, the oil return line that first clutch 102 leads to fuel tank 609 is blocked, and first clutch 102 is in engagement state; The elastic potential energy that stores in the first elastic rubber band energy storage 300 converts the kinetic energy of loader drive wheel to by first clutch 102, gear 100, the 3rd universal drive shaft 2, propons main reduction gear 1, change-speed box 200, first universal drive shaft 4, second universal drive shaft 5, rear-end gear reduction 3, thereby drives loader reversing starting.
When loader is in braking energy maintenance process, ECU (Electrical Control Unit) 500 makes the first solenoid directional control valve magnet coil 601a, the second solenoid directional control valve magnet coil 602a, the 3rd solenoid directional control valve magnet coil 603a and the equal no power of the 4th solenoid directional control valve magnet coil 604a, first solenoid directional control valve 601, second solenoid directional control valve 602, the 3rd solenoid directional control valve 603 and the 4th solenoid directional control valve 604 control position that all is in the normal state, the high-pressure oil passage that lead to first drg 101 and second drg 103 this moment is switched on, the oil return line that first drg 101 and second drg 103 lead to fuel tank 609 is blocked, first drg 101 and second drg 103 all are in braking mode, can not can not discharge energy stored in the first elastic rubber band energy storage 300 and the second elastic rubber band energy storage 400 to stored energy in the first elastic rubber band energy storage 300 and the second elastic rubber band energy storage 400.
By reference to the accompanying drawings embodiments of the present invention have been done detailed description above, but the present invention is not limited to above-mentioned embodiment, in the ken that affiliated technical field those of ordinary skill possesses, can also under the prerequisite that does not break away from aim of the present invention, make various variations.
Claims (2)
1. elastic rubber band energy storage type loader braking energy regeneration control system, comprise acceleration pedal switch (501), brake pedal switch (502), reverse gear switch (201), neutral switch (202), car speed sensor (203), gear (100), first drg (101), second drg (103), first clutch (102), second clutch (104), it is characterized in that:
It also comprises: the first elastic rubber band energy storage (300), the second elastic rubber band energy storage (400), the first drum shaft corner detects end plate (302), the second tin roller Shaft angle detects end plate (402), ECU (Electrical Control Unit) (500), hydraulic control module (600), the first drum shaft corner home sensor (301), second tin roller Shaft angle home sensor (401), the first drum shaft corner final position sensor (303), second tin roller Shaft angle final position sensor (403);
Described ECU (Electrical Control Unit) (500), adopt micro controller system, its input end connects acceleration pedal switch (501), brake pedal switch (502), reverse gear switch (201), neutral switch (202), car speed sensor (203), the first drum shaft corner home sensor (301), the first drum shaft corner final position sensor (303), second tin roller Shaft angle home sensor (401), second tin roller Shaft angle final position sensor (403), the motoring condition that advances that is used for the identification loader, the reverse travel state, the starting state advances, the speed of operation of reversing starting state and judgement loader and the starting of chaufeur and braking intention, and then calculate the elastic potential energy of storage in the first elastic rubber band energy storage (300) and the second elastic rubber band energy storage (400); Its mouth connects the first solenoid directional control valve magnet coil (601a), the second solenoid directional control valve magnet coil (602a), the 3rd solenoid directional control valve magnet coil (603a) and the 4th solenoid directional control valve magnet coil (604a) of hydraulic control module (600), and braking energy reclaims control when being used for carrying out loader braking energy reclaiming control, reversing when advancing, braking energy discharged control and braking energy retentive control when braking energy discharged control, reversing when advancing.
2. as elastic rubber band energy storage type loader braking energy regeneration control system as described in the claim 1, it is characterized in that: described hydraulic control module (600) comprises first solenoid directional control valve (601), second solenoid directional control valve (602), the 3rd solenoid directional control valve (603), the 4th solenoid directional control valve (604); Wherein, the A hydraulic fluid port of first solenoid directional control valve (601) connects the oil inlet of first clutch (102), the A hydraulic fluid port of second solenoid directional control valve (602) connects the oil inlet of second clutch (104), the A hydraulic fluid port of the 3rd solenoid directional control valve (603) connects the oil inlet of second drg (103), the A hydraulic fluid port of the 4th solenoid directional control valve (604) connects the oil inlet of first drg (101), the oil inlet of fuel tank (609) connects the T hydraulic fluid port of first solenoid directional control valve (601) simultaneously, the T hydraulic fluid port of second solenoid directional control valve (602), the T hydraulic fluid port of the 3rd solenoid directional control valve (603), the oil outlet of the T hydraulic fluid port of the 4th solenoid directional control valve (604) and by pass valve (606), the oil outlet of check valve (605) connects the P hydraulic fluid port of first solenoid directional control valve (601) simultaneously, the P hydraulic fluid port of second solenoid directional control valve (602), the P hydraulic fluid port of the P hydraulic fluid port of the 3rd solenoid directional control valve (603) and (604) of the 4th solenoid directional control valve, the oil inlet of the oil inlet of check valve (605) and by pass valve (606) connects the oil outlet of Hydraulic Pump (607) simultaneously, the oil inlet of Hydraulic Pump (607) connects the oil outlet of oil filter (608), the oil outlet of the oil inlet connected tank (609) of oil filter (608).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310164885.4A CN103264690B (en) | 2013-05-07 | 2013-05-07 | Elastic rubber belt energy accumulator type loader-braked energy regeneration control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310164885.4A CN103264690B (en) | 2013-05-07 | 2013-05-07 | Elastic rubber belt energy accumulator type loader-braked energy regeneration control system |
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| CN103264690A true CN103264690A (en) | 2013-08-28 |
| CN103264690B CN103264690B (en) | 2015-05-27 |
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| CN201310164885.4A Expired - Fee Related CN103264690B (en) | 2013-05-07 | 2013-05-07 | Elastic rubber belt energy accumulator type loader-braked energy regeneration control system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4246988A (en) * | 1978-09-21 | 1981-01-27 | Eaton Corporation | Regenerative braking system |
| CN101332774A (en) * | 2008-08-06 | 2008-12-31 | 山东理工大学 | Automobile brake energy regeneration control device and system |
| CN102261396A (en) * | 2011-04-28 | 2011-11-30 | 天津市松正电动汽车技术股份有限公司 | Electrically controlled and hydraulically operated clutch control system |
| CN102661257A (en) * | 2012-05-04 | 2012-09-12 | 山东理工大学 | Rubber belt type energy accumulator |
| CN203254969U (en) * | 2013-05-07 | 2013-10-30 | 山东理工大学 | Elastic rubber belt energy accumulator type loader braking energy regeneration control system |
-
2013
- 2013-05-07 CN CN201310164885.4A patent/CN103264690B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4246988A (en) * | 1978-09-21 | 1981-01-27 | Eaton Corporation | Regenerative braking system |
| CN101332774A (en) * | 2008-08-06 | 2008-12-31 | 山东理工大学 | Automobile brake energy regeneration control device and system |
| CN102261396A (en) * | 2011-04-28 | 2011-11-30 | 天津市松正电动汽车技术股份有限公司 | Electrically controlled and hydraulically operated clutch control system |
| CN102661257A (en) * | 2012-05-04 | 2012-09-12 | 山东理工大学 | Rubber belt type energy accumulator |
| CN203254969U (en) * | 2013-05-07 | 2013-10-30 | 山东理工大学 | Elastic rubber belt energy accumulator type loader braking energy regeneration control system |
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| CN103264690B (en) | 2015-05-27 |
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