CN202115324U - Hydraulic hybrid power driving device with high dynamic performance of vehicle - Google Patents
Hydraulic hybrid power driving device with high dynamic performance of vehicle Download PDFInfo
- Publication number
- CN202115324U CN202115324U CN201120234949XU CN201120234949U CN202115324U CN 202115324 U CN202115324 U CN 202115324U CN 201120234949X U CN201120234949X U CN 201120234949XU CN 201120234949 U CN201120234949 U CN 201120234949U CN 202115324 U CN202115324 U CN 202115324U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- pump motor
- drive axle
- hydraulic pump
- vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
Landscapes
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
A hydraulic hybrid power driving device with high power performance of a vehicle belongs to hybrid power driving devices of vehicles. An engine is connected with an input end of a coupler through a clutch, an output end of the coupler is connected with an input end of a speed changer which is connected with a left driving axle through a first transmission chain, and the left driving axle is connected with a right driving axle through a second transmission chain. An output end of the left driving axle is connected with a left rear wheel, an output end of the right driving axle is connected with a right rear wheel, and an oil outlet of a variable pump is connected with an oil inlet of a one-way valve. An A port of a two-position two-way reversing valve is connected with a high-pressure oil port of an integrated hydraulic accumulator, an output shaft of a left driving hydraulic pump motor is connected with a left input end of the left driving axle, and an output shaft of a right driving hydraulic pump motor is connected with a right input end of the right driving axle. The hydraulic hybrid power driving device with the high power performance of the vehicle has the advantages that the hybrid configuration method guarantees that the engine works in the optical fuel oil economical area all the time, thereby reducing fuel oil consumption and tail gas emission of the vehicle and remarkably improving the power performance of the whole vehicle.
Description
Technical field
The utility model relates to the high tractive performance hydraulic hybrid actuating device of a kind of hybrid drive of vehicle, particularly a kind of 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, military vehicle and construction machinery and equipment.Special vehicle and military vehicle all have exacting requirements to the tractive performance and the energy-saving effect of vehicle, and present hybrid power configuration mode is difficult to reach requirement.
The utility model content
The utility model provides a kind of demand installing space that has reduced hydraulic accumulator, improves the high tractive performance hydraulic hybrid power vehicles of the tractive performance of vehicle.
The purpose of the utility model is achieved in that the utility model drives hydraulic pump motor, left drive axle, first messenger chain, second messenger chain, right drive axle, right driving hydraulic pump motor, left rear wheel, change-speed box, controllable capacity pump, check valve and 2/2-way change-over valve by driving engine, power-transfer clutch, coupler, integrated hydraulic energy storage, off hind wheel, a left side and forms;
Driving engine is connected with the input end of coupler through power-transfer clutch; A mouth of coupler is connected with the input end of change-speed box; Change-speed box is connected with left drive axle through first messenger chain; Left side drive axle is connected with right drive axle through second messenger chain; The mouth of left side drive axle is connected with left rear wheel, and the mouth of right drive axle is connected with off hind wheel, and another mouth of coupler is connected with controllable capacity pump; The oil outlet of controllable capacity pump is connected with the oil inlet of check valve; The oil outlet of check valve is connected with the P mouth of 2/2-way change-over valve, the oil outlet of left side driving hydraulic pump motor, the right oil outlet that drives hydraulic pump motor, and the A mouth of 2/2-way change-over valve is connected with the high pressure hydraulic fluid port of integrated hydraulic energy storage, and the oil suction of controllable capacity pump drives the oil suction of hydraulic pump motor with oil suction, the right side that a left side drives hydraulic pump motor, the low pressure hydraulic fluid port of integrated hydraulic energy storage is connected; The output shaft that a left side drives hydraulic pump motor is connected with the left input end of left drive axle, and the right output shaft that drives hydraulic pump motor is connected with the right input end of right drive axle.
The integrated hydraulic energy storage is made up of air bag, piston and cylinder body, 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, coupler is with the power separated into two parts of driving engine, and a part is with mechanically operated form transmission, and another part comes powered vehicle with the form of hydostatic transmission.
(1) when vehicle launch, adopt the hydraulic accumulator type of drive, a left side drives hydraulic pump motor and all works in the motor operating mode with the right hydraulic pump motor that drives, 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 for car load provides propulsion source.
(2) driving engine startup in a single day just works in best fuel-economy district all the time, according to the situation of the required driving power of car load, and the drive pattern of reasonable distribution car load.The drive pattern of the hydraulic hybrid power vehicles of high tractive performance is divided into: 1. mechanical drive drive pattern, 2. hydostatic transmission drive pattern, 3. compound transmission drive pattern.Under the mechanical drive drive pattern, hydraulic variable displacement pump and hydraulic pump motor are not worked, and the power of driving engine comes powered vehicle through change-speed box, messenger chain, left drive axle, right drive axle fully.Under the hydostatic transmission drive pattern; Change-speed box is put neutral, and whole power of driving engine are used to drive Hydraulic Pump and hydraulic pump motor, with the form driving car load of hydostatic transmission; Engine operation is in best fuel-economy district, and unnecessary and not enough power is absorbed by the integrated hydraulic energy storage and provides.Under the compound transmission drive pattern; The power part of driving engine is with mechanically operated form powered vehicle; Another part power is with the form powered vehicle of hydostatic transmission; Car load reasonably distributes the proportionate relationship of engine power with mechanical drive and hydostatic transmission, guarantees that engine operation is in best fuel-economy district.
(3) glancing impact, hydraulic pump motor work in the pump operating mode, to integrated hydraulic energy storage feedback energy.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.
(4) when vehicle slip, the driving hydraulic pump motor of the side of skidding works in the pump operating mode, reduces the rotating speed of slip wheel, treat left and right wheels rotating speed constant speed after, powered vehicle is gone again.
High tractive performance hydraulic hybrid actuating device has reduced the demand installing space of hydraulic accumulator under the prerequisite of the fuel economy that obviously improves vehicle, improve the tractive performance of vehicle, has reached the purpose of the utility model.
Advantage: high tractive performance hydraulic hybrid actuating device utilizes left and right wheel independent drive mode to improve the tractive performance of vehicle; Adopt the hybrid power of series parallel type to dispose the horsepower output that distributes driving engine, select the demand installing space of the method reduction energy storage of integrated hydraulic energy storage for use.High oil consumption when this vehicle guarantees that driving engine is avoided being in vehicle launch, maximum discharge zone, the configuration mode of series parallel type guarantees that driving engine works in best fuel-economy district all the time, reduces the fuel oil consumption and the exhaust emissions of vehicle, obviously improves the tractive performance of car load.Also have simple in structurely simultaneously, spatial destribution is flexible, the advantage of technology maturation.
Description of drawings
Fig. 1 is the constructional drawing of the utility model.
Among the figure, 1, driving engine; 2, power-transfer clutch; 3, coupler; 4, integrated hydraulic energy storage; 5, off hind wheel; 6, a left side drives hydraulic pump motor; 7, left drive axle; 8, first messenger chain; 10, second messenger chain; 9, right drive axle; 11, the right hydraulic pump motor that drives; 12, left rear wheel; 13, change-speed box; 14, controllable capacity pump; 15, check valve; 16, the 2/2-way change-over valve 16; 4-1, air bag; 4-2, piston; 4-3, cylinder body.
The specific embodiment
Embodiment 1: a kind of later-model high tractive performance hydraulic hybrid power vehicles by driving engine 1, power-transfer clutch 2, coupler 3, integrated hydraulic energy storage 4, off hind wheel 5, a left side drive hydraulic pump motor 6, left drive axle 7, first messenger chain 8, second messenger chain 10, right drive axle 9, right hydraulic pump motor 11, left rear wheel 12, change-speed box 13, controllable capacity pump 14, check valve 15 and the 2/2-way change-over valve 16 of driving formed.
Driving engine 1 is connected with the input end of coupler 3 through power-transfer clutch 2; A mouth of coupler 3 is connected with the input end of change-speed box 13; Change-speed box 13 is connected with left drive axle 7 through first messenger chain 8; Left side drive axle 7 is connected with right drive axle 9 through second messenger chain; The mouth of left side drive axle 7 is connected with left rear wheel 12, and the mouth of right drive axle 9 is connected with off hind wheel 5, and another mouth of coupler 3 is connected with controllable capacity pump 14; The oil outlet of controllable capacity pump 14 is connected with the oil inlet of check valve 15; The oil outlet of check valve 15 is connected with the P mouth of 2/2-way change-over valve 16, the oil outlet of left side driving hydraulic pump motor 6, the right oil outlet that drives hydraulic pump motor 11, and the A mouth of 2/2-way change-over valve 16 is connected with the high pressure hydraulic fluid port of integrated hydraulic energy storage 4, and the oil suction of controllable capacity pump 14 drives the oil suction of hydraulic pump motor 11 with oil suction, the right side that a left side drives hydraulic pump motor 6, the low pressure hydraulic fluid port of integrated hydraulic energy storage 4 is connected; The output shaft that a left side drives hydraulic pump motor 6 is connected with the left input end of left drive axle 7, and the right output shaft that drives hydraulic pump motor 11 is connected with the right input end of right drive axle 9.
Integrated hydraulic energy storage 4 is made up of air bag 4-1, piston 4-2 and cylinder body 4-3, is high-pressure side near the end of air bag 4-1, is low tension terminal away from the end of air bag 4-1.
Coupler is divided into 2 parts with the power of driving engine, and a part is with mechanically operated form transmission, and another part comes powered vehicle with the form of hydostatic transmission.
(1) when vehicle launch, adopt the hydraulic accumulator type of drive, a left side drives hydraulic pump motor and all works in the motor operating mode with the right hydraulic pump motor that drives, and the high-pressure side of integrated hydraulic energy storage is that hydraulic pump motor provides high pressure fuel source, and driving engine 1 is shut down.When the pressure in the hydraulic accumulator during near minimum operating pressure, driving engine 1 starts, for car load provides propulsion source.
(2) driving engine startup in a single day just works in best fuel-economy district all the time, according to the situation of the required driving power of car load, and the drive pattern of reasonable distribution car load.The drive pattern of the hydraulic hybrid power vehicles of high tractive performance is divided into: 1. mechanical drive drive pattern, 2. hydostatic transmission drive pattern, 3. compound transmission drive pattern.Under the mechanical drive drive pattern, hydraulic variable displacement pump and hydraulic pump motor are not worked, and the power of driving engine comes powered vehicle through change-speed box, messenger chain, left drive axle, right drive axle fully.Under the hydostatic transmission drive pattern; Change-speed box is put neutral, and whole power of driving engine are used to drive Hydraulic Pump and hydraulic pump motor, with the form driving car load of hydostatic transmission; Engine operation is in best fuel-economy district, and unnecessary and not enough power is absorbed by the integrated hydraulic energy storage and provides.Under the compound transmission drive pattern; The power part of driving engine is with mechanically operated form powered vehicle; Another part power is with the form powered vehicle of hydostatic transmission; Car load reasonably distributes the proportionate relationship of engine power with mechanical drive and hydostatic transmission, guarantees that engine operation is in best fuel-economy district.
(3) glancing impact, hydraulic pump motor work in the pump operating mode, to integrated hydraulic energy storage feedback energy.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.
(4) when vehicle slip, the driving hydraulic pump motor of the side of skidding works in the pump operating mode, reduces the rotating speed of slip wheel, treat left and right wheels rotating speed constant speed after, powered vehicle is gone again.
Claims (2)
1. the high tractive performance hydraulic hybrid actuating device of a vehicle is characterized in that: the utility model drives hydraulic pump motor, left drive axle, first messenger chain, second messenger chain, right drive axle, right hydraulic pump motor, left rear wheel, change-speed box, controllable capacity pump, check valve and the 2/2-way change-over valve of driving by driving engine, power-transfer clutch, coupler, integrated hydraulic energy storage, off hind wheel, a left side and forms;
Driving engine is connected with the input end of coupler through power-transfer clutch; A mouth of coupler is connected with the input end of change-speed box; Change-speed box is connected with left drive axle through first messenger chain; Left side drive axle is connected with right drive axle through second messenger chain; The mouth of left side drive axle is connected with left rear wheel, and the mouth of right drive axle is connected with off hind wheel, and another mouth of coupler is connected with controllable capacity pump; The oil outlet of controllable capacity pump is connected with the oil inlet of check valve; The oil outlet of check valve is connected with the P mouth of 2/2-way change-over valve, the oil outlet of left side driving hydraulic pump motor, the right oil outlet that drives hydraulic pump motor, and the A mouth of 2/2-way change-over valve is connected with the high pressure hydraulic fluid port of integrated hydraulic energy storage, and the oil suction of controllable capacity pump drives the oil suction of hydraulic pump motor with oil suction, the right side that a left side drives hydraulic pump motor, the low pressure hydraulic fluid port of integrated hydraulic energy storage is connected; The output shaft that a left side drives hydraulic pump motor is connected with the left input end of left drive axle, and the right output shaft that drives hydraulic pump motor is connected with the right input end of right drive axle.
2. the high tractive performance hydraulic hybrid actuating device of vehicle according to claim 1, it is characterized in that: the integrated hydraulic energy storage is made up of air bag, piston and cylinder body, 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 |
|---|---|---|---|
| CN201120234949XU CN202115324U (en) | 2011-06-29 | 2011-06-29 | Hydraulic hybrid power driving device with high dynamic performance of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120234949XU CN202115324U (en) | 2011-06-29 | 2011-06-29 | Hydraulic hybrid power driving device with high dynamic performance of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202115324U true CN202115324U (en) | 2012-01-18 |
Family
ID=45456415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120234949XU Expired - Fee Related CN202115324U (en) | 2011-06-29 | 2011-06-29 | Hydraulic hybrid power driving device with high dynamic performance of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202115324U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105620273A (en) * | 2015-12-25 | 2016-06-01 | 青岛海通车桥有限公司 | Hydraulic auxiliary driving axle and using method thereof |
| CN109649165A (en) * | 2018-12-29 | 2019-04-19 | 长沙中联重科环境产业有限公司 | The control system and method for Composite Transmission vehicle |
-
2011
- 2011-06-29 CN CN201120234949XU patent/CN202115324U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105620273A (en) * | 2015-12-25 | 2016-06-01 | 青岛海通车桥有限公司 | Hydraulic auxiliary driving axle and using method thereof |
| CN109649165A (en) * | 2018-12-29 | 2019-04-19 | 长沙中联重科环境产业有限公司 | The control system and method for Composite Transmission vehicle |
| CN109649165B (en) * | 2018-12-29 | 2020-09-11 | 长沙中联重科环境产业有限公司 | Control system and method for compound transmission vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202115325U (en) | Driving device of power dividing hydraulic hybrid power vehicle | |
| CN101704337B (en) | Parallel-connection type hydraulic-electro hybrid power driving system | |
| CN202130300U (en) | Flywheel energy storage hydraulic driving device of hybrid power vehicle | |
| CN101704336B (en) | Energy-saving hydraulic hybrid power system of loader | |
| CN105818668B (en) | With energy regenerating, the hydraulic auxiliary driving system of slow function and its method | |
| CN103223849B (en) | A kind of parallel-connection type hybrid power driver for vehicle | |
| CN102795092B (en) | Power distribution hydraulic hybrid power drive device and vehicle | |
| CN103738154B (en) | The electric-hydraulic combined four-wheel-drive hybrid power system of oil and control method | |
| CN203854499U (en) | Hybrid power system | |
| CN201506246U (en) | Series-parallel hydraulic hybrid vehicle | |
| CN201721312U (en) | Automotive hybrid drive system | |
| CN104626963B (en) | A kind of hybrid power sanitation cart dynamical system | |
| CN1817674A (en) | Mixed dynamic assembly by hub motor | |
| CN201816448U (en) | Tandem hydraulic-electric hybrid vehicle driving device | |
| CN101332775A (en) | Hydraulic accumulation energy type autobus brake energy regeneration system | |
| CN201320956Y (en) | Four-wheel fully-driven hydraulic hybrid power transmission device of bus | |
| CN101722828B (en) | Driving system of wheel-drive type hydrostatic transmission hybrid vehicle | |
| CN102756636B (en) | Hybrid driving device for concrete mixer and concrete mixer | |
| CN203110908U (en) | Oil-liquid hybrid power system | |
| CN202345361U (en) | Double-axle drive unit of electrohydraulic composite hybrid power vehicles | |
| CN201816452U (en) | Hydraulic traveling gear for hybrid electric forklift | |
| CN202115324U (en) | Hydraulic hybrid power driving device with high dynamic performance of vehicle | |
| CN109895624A (en) | A kind of four-wheel hydraulic driving vehicle energy recovery system | |
| CN100591563C (en) | Double-power working vehicle for railway tunnel | |
| CN202115326U (en) | Hydraulic hybrid power driving device based on integrated hydraulic energy accumulator vehicle |
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 |
Granted publication date: 20120118 Termination date: 20160629 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |