CN202345360U - Hydrostatic transmission hybrid power drive apparatus based on hydraulic transformer vehicles - Google Patents
Hydrostatic transmission hybrid power drive apparatus based on hydraulic transformer vehicles Download PDFInfo
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- CN202345360U CN202345360U CN201120234988XU CN201120234988U CN202345360U CN 202345360 U CN202345360 U CN 202345360U CN 201120234988X U CN201120234988X U CN 201120234988XU CN 201120234988 U CN201120234988 U CN 201120234988U CN 202345360 U CN202345360 U CN 202345360U
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- rom drive
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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
The utility model discloses a hydrostatic transmission hybrid power drive apparatus based on hydraulic transformer vehicles, which belongs to vehicle transmission hybrid power drive apparatus. An engine connects with a variable pump through a clutch; a variable pump output shaft drives a left front-wheel and a right front-wheel through a front axle; an oil outlet of the hydraulic variable pump connects with an oil inlet of a non return valve; the oil outlet of the non return valve connects with a high pressure hydraulic accumulator and an A port of a hydraulic transformer; a B port of the hydraulic transformer connects with an oil inlet of a left driving motor, an oil inlet of a right driving motor, and a T port of a two position three-way change valve; an output shaft of the left driving motor connects with a left rear wheel; an output shaft of the right driving motor connects with a right rear wheel; the oil outlet of the left driving motor, the oil outlet of the right driving motor and the A port of the two position three-way change valve connect with the T port of the hydraulic transformer; the B port of the two position three-way change valve connects with an oil port of the low pressure accumulator and an oil suction port of the hydraulic variable pump. The advantages lie in that the engine can be guaranteed to work in optimum fuel oil economic area to promote transmission efficiency of the whole vehicle.
Description
Technical field
The utility model relates to a kind of system of vehicle transmission hybrid drive, particularly a kind of hydostatic transmission hybrid drive based on the hydraulic transformer vehicle.
Background technology
Along with developing rapidly of industrial technology in the world wide, energy shortage and problem of environmental pollution are on the rise.Energy shock and environmental pollution active demand automobile industry development clean type automobile.Serial mixed power vehicle can realize that engine load separates with the load of going, and guarantees that engine operation in best fuel-economy district, reduces oil consumption, reduces the discharging of tail gas.Electric hybrid powering has the advantages that energy density is big, power density is little, is applicable to the driving device of dilly.It is big that hydraulic hybrid has power density, and energy circulation efficient advantages of higher also has easy realization rotating, handling strong and reliability advantages of higher simultaneously, therefore on the driving device of medium and heavy vehicle, has remarkable applicability.The tandem hydraulic hybrid power vehicles has been abandoned the Mechanical Drive Type of conventional truck, adopts the secondary adjusting hydrostatic driving system to substitute traditional mechanical drive, realizes full hydraulic drive, makes complete vehicle structure compact, improves the driving and the deceleration and stopping performance of vehicle.Traditional hydostatic transmission motor vehicle driven by mixed power utilizes hydraulic pump/motor can work in four-quadrant characteristics; Recycle the inertia ability and the gravitation energy of vehicle; Reduce oil consumption and exhaust emissions; But exist problems such as driving efficiency is lower, driver element quantity is many, cost height, simultaneously complete machine such as can't move at problem when pump and motor corrupted.
The utility model content
The purpose of the utility model is that a kind of hydostatic transmission hybrid drive based on the hydraulic transformer vehicle will be provided, and solves the problem that driving efficiency is lower, driver element quantity is many, cost is high.
The purpose of the utility model is achieved in that this actuating device is made up of off front wheel, controllable capacity pump, check valve, high-pressure hydraulic accumulator, power-transfer clutch, hydraulic transformer, off hind wheel, right CD-ROM drive motor, two-bit triplet change-over valve, left CD-ROM drive motor, left rear wheel, driving engine, low pressure accumulator, the near front wheel and propons;
Driving engine is connected with controllable capacity pump through power-transfer clutch; The controllable capacity pump output shaft drives the near front wheel and off front wheel through propons; The oil outlet of hydraulic variable displacement pump is connected with the oil inlet of check valve; The oil outlet of check valve is connected with the A mouth of high-pressure hydraulic accumulator and hydraulic transformer; The B mouth of hydraulic transformer is connected with the T mouth of the oil inlet of the oil inlet of left CD-ROM drive motor, right CD-ROM drive motor and two-bit triplet change-over valve, and the output shaft of left CD-ROM drive motor is connected with left rear wheel, and the output shaft of right CD-ROM drive motor is connected with off hind wheel; Oil outlet, the oil outlet of right CD-ROM drive motor and the A mouth of two-bit triplet change-over valve of left side CD-ROM drive motor are connected with the T mouth of hydraulic transformer, and the B mouth of two-bit triplet change-over valve is connected with the oil suction of the hydraulic fluid port of low pressure accumulator and hydraulic variable displacement pump.
Beneficial effect: the engine drive hydraulic variable displacement pump is that car load provides stable high pressure fuel source, and hydraulic transformer changes the pressure of power oil sources, for car load provides power according to the variation of the load that goes.
(1) when the vehicle underload starts, if the high-pressure hydraulic accumulator energy is sufficient, adopt pure hydraulic driving mode, high-pressure hydraulic accumulator is that CD-ROM drive motor provides high pressure fuel source, engine shutdown.When the pressure in the hydraulic accumulator during near minimum operating pressure, engine starting, driving hydraulic variable displacement pump is that car load provides propulsion source.
(2) when the vehicle high load capacity starts; Engine starting; And work in best fuel-economy district; Driving controllable capacity pump is that car load provides stable power oil sources, and the pressure of its mouth oil sources of hydraulic transformer adjustment is to adapt to the variation that car load goes and loads, and the difference of go load and driving engine energy output is provided by energy storage or absorbs.
(3) when normal vehicle operation, engine operation is in best fuel-economy district, and the pressure of its mouth oil sources of hydraulic transformer adjustment is to adapt to the variation that car load goes and loads.
(4) when vehicle backing, hydraulic transformer conversion B mouth and T mouth, the two-bit triplet change-over valve works in right position simultaneously, realizes the backward going of vehicle.
(5) when car brakeing, CD-ROM drive motor passes through hydraulic transformer to the high pressure accumulator feedback energy.If the maximum braking torque that CD-ROM drive motor provides can not satisfy the target braking torque of car load, 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 hydostatic transmission hybrid drive of hydraulic transformer vehicle, maximum discharge zone; In case work is just worked in best fuel-economy district; Therefore can reduce the oil consumption and the exhaust emissions amount of vehicle significantly, reach the purpose of the utility model.
Advantage is: the Mechanical Drive Type of having abandoned conventional truck based on the hydostatic transmission hybrid drive of hydraulic transformer vehicle; Adopt the secondary adjusting hydrostatic driving system to substitute traditional mechanical drive; Realize full hydraulic drive, make complete vehicle structure compact, the pressure that changes high pressure fuel source through hydraulic transformer adapts to the variation of going and loading; Guarantee that engine operation in best fuel-economy district, improves the driving efficiency of car load.Also have simultaneously cost low, be convenient to install, advantage such as control is flexible.
Description of drawings
Fig. 1 is the constructional drawing of the utility model.
Among the figure, 1, off front wheel; 2, controllable capacity pump; 3, check valve; 4, high-pressure hydraulic accumulator; 5, power-transfer clutch; 6, hydraulic transformer; 7, off hind wheel; 8, right CD-ROM drive motor; 9, two-bit triplet change-over valve; 10, left CD-ROM drive motor; 11, left rear wheel; 12, driving engine; 13, low pressure accumulator; 14, the near front wheel; 15, propons.
The specific embodiment
Explain below in conjunction with embodiment and accompanying drawing:
Embodiment 1: this actuating device is made up of off front wheel 1, controllable capacity pump 2, check valve 3, high-pressure hydraulic accumulator 4, power-transfer clutch 5, hydraulic transformer 6, off hind wheel 7, right CD-ROM drive motor 8, two-bit triplet change-over valve 9, left CD-ROM drive motor 10, left rear wheel 11, driving engine 12, low pressure accumulator 13, the near front wheel 14 and propons 15.
Driving engine 12 is connected with controllable capacity pump 2 through power-transfer clutch 5; Controllable capacity pump 2 output shafts drive the near front wheel 14 and off front wheel 1 through propons 15; The oil outlet of hydraulic variable displacement pump 2 is connected with the oil inlet of check valve 3; The oil outlet high-pressure hydraulic accumulator 4 of check valve 3, the A mouth of hydraulic transformer 6 connect; The B mouth of hydraulic transformer 6 is connected with the oil inlet of the oil inlet of left CD-ROM drive motor 10, right CD-ROM drive motor 8, the T mouth of two-bit triplet change-over valve 9, and the output shaft of left CD-ROM drive motor 10 is connected with left rear wheel 11, and the output shaft of right CD-ROM drive motor 8 is connected with off hind wheel 7; The oil outlet of left side CD-ROM drive motor 10, the oil outlet of right CD-ROM drive motor 8, the A mouth of two-bit triplet change-over valve 9 are connected with the T mouth of hydraulic transformer 6, and the B mouth of two-bit triplet change-over valve 9 is connected with the oil suction of the hydraulic fluid port of low pressure accumulator 13, hydraulic variable displacement pump 2.
The engine drive hydraulic variable displacement pump is that car load provides stable high pressure fuel source, and hydraulic transformer changes the pressure of power oil sources, for car load provides power according to the variation of the load that goes.
(1) when the vehicle underload starts, if the high-pressure hydraulic accumulator energy is sufficient, adopt pure hydraulic driving mode, high-pressure hydraulic accumulator is that CD-ROM drive motor provides high pressure fuel source, engine shutdown.When the pressure in the hydraulic accumulator during near minimum operating pressure, engine starting, driving hydraulic variable displacement pump is that car load provides propulsion source.
(2) when the vehicle high load capacity starts; Engine starting; And work in best fuel-economy district; Driving controllable capacity pump is that car load provides stable power oil sources, and the pressure of its mouth oil sources of hydraulic transformer adjustment is to adapt to the variation that car load goes and loads, and the difference of go load and driving engine energy output is provided by energy storage or absorbs.
(3) when normal vehicle operation, engine operation is in best fuel-economy district, and the pressure of its mouth oil sources of hydraulic transformer adjustment is to adapt to the variation that car load goes and loads.
(4) when vehicle backing, hydraulic transformer conversion B mouth and T mouth, the two-bit triplet change-over valve works in right position simultaneously, realizes the backward going of vehicle.
(5) when car brakeing, CD-ROM drive motor passes through hydraulic transformer to the high pressure accumulator feedback energy.If the maximum braking torque that CD-ROM drive motor provides can not satisfy the target braking torque of car load, friction braking system provides remaining brake torque.
Claims (1)
1. hydostatic transmission hybrid drive based on the hydraulic transformer vehicle, it is characterized in that: this actuating device is made up of off front wheel, controllable capacity pump, check valve, high-pressure hydraulic accumulator, power-transfer clutch, hydraulic transformer, off hind wheel, right CD-ROM drive motor, two-bit triplet change-over valve, left CD-ROM drive motor, left rear wheel, driving engine, low pressure accumulator, the near front wheel and propons;
Driving engine is connected with controllable capacity pump through power-transfer clutch; The controllable capacity pump output shaft drives the near front wheel and off front wheel through propons; The oil outlet of hydraulic variable displacement pump is connected with the oil inlet of check valve; The oil outlet of check valve is connected with the A mouth of high-pressure hydraulic accumulator and hydraulic transformer; The B mouth of hydraulic transformer is connected with the T mouth of the oil inlet of the oil inlet of left CD-ROM drive motor, right CD-ROM drive motor and two-bit triplet change-over valve, and the output shaft of left CD-ROM drive motor is connected with left rear wheel, and the output shaft of right CD-ROM drive motor is connected with off hind wheel; Oil outlet, the oil outlet of right CD-ROM drive motor and the A mouth of two-bit triplet change-over valve of left side CD-ROM drive motor are connected with the T mouth of hydraulic transformer, and the B mouth of two-bit triplet change-over valve is connected with the oil suction of the hydraulic fluid port of low pressure accumulator and hydraulic variable displacement pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120234988XU CN202345360U (en) | 2011-06-29 | 2011-06-29 | Hydrostatic transmission hybrid power drive apparatus based on hydraulic transformer vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120234988XU CN202345360U (en) | 2011-06-29 | 2011-06-29 | Hydrostatic transmission hybrid power drive apparatus based on hydraulic transformer vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202345360U true CN202345360U (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120234988XU Expired - Fee Related CN202345360U (en) | 2011-06-29 | 2011-06-29 | Hydrostatic transmission hybrid power drive apparatus based on hydraulic transformer vehicles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202345360U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015191661A1 (en) | 2014-06-10 | 2015-12-17 | Eaton Corporation | Energy recovery system for off-highway vehicles with hydraulic transformer coupled to transmission power take-off |
| CN105864231A (en) * | 2016-04-22 | 2016-08-17 | 北京理工大学 | Semitrailer hydraulic braking energy regeneration device based on hydraulic transformer and pump/motor |
| CN113942381A (en) * | 2021-09-15 | 2022-01-18 | 浙江大学 | Energy optimization method for hydraulic hybrid power wheel loader based on working condition mode |
-
2011
- 2011-06-29 CN CN201120234988XU patent/CN202345360U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015191661A1 (en) | 2014-06-10 | 2015-12-17 | Eaton Corporation | Energy recovery system for off-highway vehicles with hydraulic transformer coupled to transmission power take-off |
| CN106660450A (en) * | 2014-06-10 | 2017-05-10 | 伊顿公司 | Energy recovery system for off-highway vehicles with hydraulic transformer coupled to transmission power take-off |
| EP3154809A4 (en) * | 2014-06-10 | 2018-06-13 | Eaton Corporation | Energy recovery system for off-highway vehicles with hydraulic transformer coupled to transmission power take-off |
| US11286642B2 (en) | 2014-06-10 | 2022-03-29 | Danfoss Power Solutions Ii Technology A/S | Energy recovery system for off-highway vehicles with hydraulic transformer coupled to transmission power take-off |
| CN105864231A (en) * | 2016-04-22 | 2016-08-17 | 北京理工大学 | Semitrailer hydraulic braking energy regeneration device based on hydraulic transformer and pump/motor |
| CN113942381A (en) * | 2021-09-15 | 2022-01-18 | 浙江大学 | Energy optimization method for hydraulic hybrid power wheel loader based on working condition mode |
| CN113942381B (en) * | 2021-09-15 | 2023-04-25 | 浙江大学 | Hydraulic hybrid power wheel loader energy optimization method based on working condition mode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20170629 |