CN202115326U - Hydraulic hybrid power driving device based on integrated hydraulic energy accumulator vehicle - Google Patents
Hydraulic hybrid power driving device based on integrated hydraulic energy accumulator vehicle Download PDFInfo
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- CN202115326U CN202115326U CN2011202350529U CN201120235052U CN202115326U CN 202115326 U CN202115326 U CN 202115326U CN 2011202350529 U CN2011202350529 U CN 2011202350529U CN 201120235052 U CN201120235052 U CN 201120235052U CN 202115326 U CN202115326 U CN 202115326U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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Abstract
A hydraulic hybrid power driving device based on an integrated hydraulic energy accumulator vehicle belongs to driving devices of hydraulic hybrid vehicles. An engine is connected with an input end of a transmission through a first clutch; an output end of the transmission is connected with an input end of a coupler; an output end of the coupler is connected with an input end of a rear axle; the rear axle is connected with a wheel; another output end of the coupler is connected with a hydraulic pump motor through a second clutch; an oil outlet of the hydraulic pump motor is connected with a port P of a two-position two-way reversing valve; a port A of the two-position two-way reversing valve is connected with a high-pressure end oil port of an integrated hydraulic energy accumulator; an oil suction port of the hydraulic pump motor is connected with a low-pressure end oil port of the integrated hydraulic energy accumulator; and a control signal input end of the two-position two-way reversing valve is connected with a fifth signal output end of a central controller. The hydraulic hybrid power driving device has the advantages that oil consumption and exhaust emission of the vehicle are reduced substantially, and simultaneously the hydraulic hybrid power driving device is simple in structure, flexible in spatial arrangement, mature in technology and the like.
Description
Technical field
The utility model relates to a kind of actuating device of hydraulic hybrid power vehicles, especially a kind of hydraulic hybrid actuating device based on integrated hydraulic energy storage vehicle.
Background technology
Along with developing rapidly of industrial technology in the world wide, energy shortage and problem of environmental pollution also are on the rise.National governments launch respectively policies and regulations, force the discharge index of power actuated vehicle, the sale and the use of the self-propelled vehicle of the discharging of forbidding exceeding standard.The hybrid power technology is considered to one of effective scheme that solves energy shock and problem of environmental pollution.With respect to electric hybrid powering technology, hydraulic hybrid has the big characteristics of power density, be highly suitable for frequent start-stop in, the running gear of heavy city bus and construction machinery and equipment.Hydraulic hybrid power vehicles need be equipped with two hydraulic accumulators of high and low pressure usually; Because the energy density of hydraulic accumulator is little; Cause the energy storage volume bigger, give the installation trouble caused of car load, limited the development of hydraulic hybrid power vehicles to a certain extent.
Summary of the invention
The purpose of the utility model is that a kind of hydraulic hybrid actuating device based on integrated hydraulic energy storage vehicle will be provided, the oil consumption of solution vehicle and exhaust emissions, the problem that hydraulic accumulator demand installing space is big.
The purpose of the utility model is achieved in that the utility model is made up of driving engine, first clutch, second clutch, change-speed box, integrated hydraulic energy storage, 2/2-way change-over valve, wheel, back axle, hydraulic pump motor, central controller and coupler;
Driving engine is connected with the gear box input end through first clutch; The mouth of change-speed box is connected with the input end of coupler; A mouth of coupler is connected with the input end of back axle; Back axle is connected with wheel; Another mouth of coupler is connected with hydraulic pump motor through second clutch, and the oil outlet of hydraulic pump motor is connected with the P mouth of 2/2-way change-over valve, and the A mouth of 2/2-way change-over valve is connected with the high-pressure side hydraulic fluid port of integrated hydraulic energy storage; The oil suction of hydraulic pump motor is connected with the low tension terminal hydraulic fluid port of integrated hydraulic energy storage; The signal input end of driving engine is connected with first signal output part of central controller, and the signal input end of first clutch is connected with the secondary signal mouth of central controller, and the signal input end of second clutch is connected with the 3rd signal output part of central controller; The signal input end of hydraulic pump motor is connected with the 4th signal output part of central controller, and the signal input end of 2/2-way change-over valve is connected with the 5th signal output part of central controller.
Integrated power-transfer clutch is made up of cylinder body, piston and air bag, is high-pressure side near an end of air bag, is low tension terminal away from an end of air bag.
Beneficial effect owing to adopted such scheme, is implanted hydraulic hybrid power system in the driving system of conventional truck through coupler, utilizes hydraulic accumulator and hydraulic pump motor to reclaim the braking kinetic energy of vehicle, is used for the startup once more and the acceleration of vehicle; Adopt the mode of initiatively filling ability to adjust engine load, make the best fuel-economy of its work district, reclaim excess energy simultaneously.
(1) when vehicle launch, adopt hydraulic driving mode, hydraulic pump motor works in the motor operating mode, and the high-pressure side of integrated hydraulic energy storage is that hydraulic pump motor provides high pressure fuel source, engine shutdown.When the pressure in the hydraulic accumulator during near minimum operating pressure, engine starting is through change-speed box and rear bridge driven vehicle.This pattern guarantees that driving engine avoids working in high oil consumption, the abominable operating mode of exhaust emissions.
(2) during cruising, driving engine is that car load provides the driving energy, and when driving engine was in efficient district, second clutch broke off, and hydraulic pump motor is not worked; When being in the poor efficiency district when driving engine, second clutch combines, and hydraulic pump motor works in the pump operating mode, adjusts engine operation in efficient district through the mode of active pressurising, simultaneously the excess energy of driving engine is stored in the high-pressure side of integrated hydraulic energy storage.
(3) glancing impact, hydraulic pump motor work in the pump operating mode, to the high-pressure side feedback energy of integrated hydraulic energy storage.If the maximum braking torque that hydraulic pump motor provides can not satisfy the target braking torque of complete machine, friction braking system provides remaining brake torque.
High oil consumption in the time of can making driving engine avoid being in vehicle launch based on the hydraulic hybrid actuating device of integrated hydraulic energy storage vehicle, maximum discharge zone have reduced the demand installing space of hydraulic accumulator, have reached the purpose of the utility model.
Advantage: the hydraulic hybrid actuating device based on integrated hydraulic energy storage vehicle adopts the integrated hydraulic energy storage to reclaim the braking kinetic energy of vehicle; Reduced the demand installing space of hydraulic accumulator; Help reducing the hydraulic oil oil temperature of system; Guarantee high oil consumption, maximum discharge zone when driving engine is avoided being in vehicle launch, reduce the oil consumption and the exhaust emissions of vehicle significantly.Also have simple in structurely simultaneously, spatial destribution is flexible, advantages such as technology maturation.
Description of drawings
Fig. 1 is the constructional drawing of the utility model.
Among the figure, 1, driving engine; 2, first clutch; 3, change-speed box; 4, integrated hydraulic energy storage; 5,2/2-way change-over valve; 6, wheel; 7, back axle; 8, hydraulic pump motor; 9, second clutch; 10, central controller; 11, coupler; 4-1, air bag; 4-2, piston; 4-3, cylinder body.
The specific embodiment
Embodiment 1: should be made up of driving engine 1, first clutch 2, second clutch 9, change-speed box 3, integrated hydraulic energy storage 4,2/2-way change-over valve 5, wheel 6, back axle 7, hydraulic pump motor 8, central controller 10 and coupler 11 based on the hydraulic hybrid power vehicles of integrated hydraulic energy storage.
Through coupler hydraulic hybrid power system is implanted in the driving system of conventional truck, utilized hydraulic accumulator and hydraulic pump motor to reclaim the braking kinetic energy of vehicle, be used for the startup once more and the acceleration of vehicle; Adopt the mode of initiatively filling ability to adjust engine load, make the best fuel-economy of its work district, reclaim excess energy simultaneously.
(1) when vehicle launch, adopt hydraulic driving mode, hydraulic pump motor works in the motor operating mode, and the high-pressure side of integrated hydraulic energy storage is that hydraulic pump motor provides high pressure fuel source, engine shutdown.When the pressure in the hydraulic accumulator during near minimum operating pressure, engine starting is through change-speed box and rear bridge driven vehicle.This pattern guarantees that driving engine avoids working in high oil consumption, the abominable operating mode of exhaust emissions.
(2) during cruising, driving engine is that car load provides the driving energy, and when driving engine was in efficient district, second clutch broke off, and hydraulic pump motor is not worked; When being in the poor efficiency district when driving engine, second clutch combines, and hydraulic pump motor works in the pump operating mode, adjusts engine operation in efficient district through the mode of active pressurising, simultaneously the excess energy of driving engine is stored in the high-pressure side of integrated hydraulic energy storage.
(3) glancing impact, hydraulic pump motor work in the pump operating mode, to the high-pressure side feedback energy of integrated hydraulic energy storage.If the maximum braking torque that hydraulic pump motor provides can not satisfy the target braking torque of complete machine, friction braking system provides remaining brake torque.
Claims (2)
1. hydraulic hybrid actuating device based on integrated hydraulic energy storage vehicle, it is characterized in that: the utility model is made up of driving engine, first clutch, second clutch, change-speed box, integrated hydraulic energy storage, 2/2-way change-over valve, wheel, back axle, hydraulic pump motor, central controller and coupler;
Driving engine is connected with the gear box input end through first clutch; The mouth of change-speed box is connected with the input end of coupler; A mouth of coupler is connected with the input end of back axle; Back axle is connected with wheel; Another mouth of coupler is connected with hydraulic pump motor through second clutch, and the oil outlet of hydraulic pump motor is connected with the P mouth of 2/2-way change-over valve, and the A mouth of 2/2-way change-over valve is connected with the high-pressure side hydraulic fluid port of integrated hydraulic energy storage; The oil suction of hydraulic pump motor is connected with the low tension terminal hydraulic fluid port of integrated hydraulic energy storage; The signal input end of driving engine is connected with first signal output part of central controller, and the signal input end of first clutch is connected with the secondary signal mouth of central controller, and the signal input end of second clutch is connected with the 3rd signal output part of central controller; The signal input end of hydraulic pump motor is connected with the 4th signal output part of central controller, and the signal input end of 2/2-way change-over valve is connected with the 5th signal output part of central controller.
2. the hydraulic hybrid actuating device based on integrated hydraulic energy storage vehicle according to claim 1, it is characterized in that: integrated power-transfer clutch is made up of cylinder body, piston and air bag, is high-pressure side near an end of air bag, is low tension terminal away from an end of air bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202350529U CN202115326U (en) | 2011-06-29 | 2011-06-29 | Hydraulic hybrid power driving device based on integrated hydraulic energy accumulator vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202350529U CN202115326U (en) | 2011-06-29 | 2011-06-29 | Hydraulic hybrid power driving device based on integrated hydraulic energy accumulator vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202115326U true CN202115326U (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202350529U Expired - Lifetime CN202115326U (en) | 2011-06-29 | 2011-06-29 | Hydraulic hybrid power driving device based on integrated hydraulic energy accumulator vehicle |
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| CN (1) | CN202115326U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640465A (en) * | 2013-12-19 | 2014-03-19 | 徐工集团工程机械股份有限公司 | Hydrostatic driving system with variable velocity ratio |
| CN104590018A (en) * | 2015-02-16 | 2015-05-06 | 徐州重型机械有限公司 | Crane climbing-assisted control method, control system and climbing-assisted system |
| CN104669997A (en) * | 2015-02-13 | 2015-06-03 | 郑州宇通客车股份有限公司 | Power system and power control method of sanitation vehicle |
-
2011
- 2011-06-29 CN CN2011202350529U patent/CN202115326U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640465A (en) * | 2013-12-19 | 2014-03-19 | 徐工集团工程机械股份有限公司 | Hydrostatic driving system with variable velocity ratio |
| CN103640465B (en) * | 2013-12-19 | 2016-01-27 | 徐工集团工程机械股份有限公司 | The hydrostatic driveline system of variable-speed ratio |
| CN104669997A (en) * | 2015-02-13 | 2015-06-03 | 郑州宇通客车股份有限公司 | Power system and power control method of sanitation vehicle |
| CN104669997B (en) * | 2015-02-13 | 2017-04-05 | 郑州宇通客车股份有限公司 | A kind of sanitation cart dynamical system and power-control method |
| CN104590018A (en) * | 2015-02-16 | 2015-05-06 | 徐州重型机械有限公司 | Crane climbing-assisted control method, control system and climbing-assisted system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120118 |