CN105216615B - A kind of hybrid power drive axle - Google Patents
A kind of hybrid power drive axle Download PDFInfo
- Publication number
- CN105216615B CN105216615B CN201510659877.6A CN201510659877A CN105216615B CN 105216615 B CN105216615 B CN 105216615B CN 201510659877 A CN201510659877 A CN 201510659877A CN 105216615 B CN105216615 B CN 105216615B
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- wet
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- shift fork
- type friction
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/10—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of fluid gearing
- B60K17/105—Units comprising at least a part of the gearing and a torque-transmitting axle, e.g. transaxles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/10—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels by utilising wheel movement for accumulating energy, e.g. driving air compressors
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention discloses a kind of hybrid power drive axle, it is characterized in, by gas-tpe fitting（1）, piston（2）, shift fork（3）, return spring（4）, shift fork axle（5）, drive bevel gear（6）, differential side wheel（7）, semiaxis（8）, active roller gear（9）, thrust bearing（10）, the first Wet-type friction slice（11）, the second Wet-type friction slice（12）, wheel hub（13）, driving wheel（14）, hydraulic tube（15）, high-voltage tube（16）, bidirectional ram pump roller gear（17）, low pressure pot for storing up liquid（18）, driven wheel of differential（19）, bidirectional ram pump（20）, gas barrier formula accumulator（21）And hydraulic hybrid drive system composition；The hydraulic pump participation work in vehicle braking or lower long slope, realize the function that vehicle is slow, auxiliary braking and energy are saved, during vehicle start, hydraulic pump plays a part of hydraulic motor under the promotion of the hydraulic pressure or air pressure saved, and then realize the function of motor vehicle process auxiliary drive, fluid power combination drive is directly acted on drive axle so that process auxiliary drive is more direct, efficient, while realizing the oil-saving discharging-reducing of vehicle.
Description
Technical field：
The present invention relates to motor vehicle actuation techniques field, specifically a kind of hybrid power drive axle, its application field
Extend to the hybrid motor vehicle with hydraulic-driven and at least one energy storing device.
Background technology：
With new-energy automobile industrial expansion, people pay high attention to the research and development and industrialization of current new-energy automobile, mesh
The sales volume of preceding new-energy automobile increases the growth for being mainly passenger car, but new energy commercial car --- and mainly liquefied petroleum gas is objective
Car, liquefied natural gas car, hybrid power passenger car etc. there has also been faster development in recent years.In order to adapt to, meet the strong of market
Strong demand --- the long descending of vehicle is to braking slow demand, from the demand of environmental protection and reduction operating cost to oil-saving discharging-reducing, car
Frequently starting is to the demand in terms of vehicles dynamic performance, and Technology of Hybrid Electric Vehicle will obtain larger faster in commercial car field
Development, and development space is larger.
So far, the drive axle technology with hybrid power yet there are no report.
The content of the invention：
The purpose of the present invention is to overcome the shortcomings of above-mentioned prior art, and provides a kind of hybrid power drive axle；Main solution
The problems such as certainly existing drive axle technology can not realize Brake energy recovery, retarder brake and process auxiliary drive.
The technical scheme is that：A kind of hybrid power drive axle, it is characterized in that, by gas-tpe fitting, piston,
Shift fork, return spring, shift fork axle, drive bevel gear, differential side wheel, semiaxis, active roller gear, thrust bearing, first
Wet-type friction slice, the second Wet-type friction slice, wheel hub, driving wheel, hydraulic tube, high-voltage tube, bidirectional ram pump roller gear, low pressure store
Flow container, driven wheel of differential, bidirectional ram pump, gas barrier formula accumulator and hydraulic hybrid drive system composition；Described first
Wet-type friction slice is connected by internal spline with drive bevel gear external splines, and the second described Wet-type friction slice passes through external splines and master
Dynamic roller gear internal spline connection, active roller gear coordinates with drive bevel gear small―gap suture, relatively independent can rotated；Described
Bidirectional ram pump roller gear on bidirectional ram pump is intermeshed with active roller gear；Described drive bevel gear with it is driven
Bevel gear mating engagement, driven wheel of differential drives differential side wheel to rotate together；Described semiaxis one end by spline with it is poor
Fast device half shaft wheel is connected, and another end flanges of semiaxis are connected by bolt with wheel hub；Described wheel hub passes through bolt and driving wheel
Connection；Formed between described gas-tpe fitting and piston in air chamber, the shift fork axle connection of piston and shift fork, shift fork axle and set return bullet
Spring, shift fork is sequentially connected with thrust bearing, the first Wet-type friction slice, the second Wet-type friction slice, and piston promotes shift fork axle to drive and dialled
Fork, thrust bearing give the first Wet-type friction slice, the second Wet-type friction slice axial force, the axial force by the first Wet-type friction slice,
Second Wet-type friction slice, active roller gear, drive bevel gear are coupled into a rigid body；In described hydraulic hybrid drive system
Bidirectional ram pump by hydraulic tube connect low pressure pot for storing up liquid, pass through high-voltage tube connect gas barrier formula accumulator.
Further, described hydraulic hybrid drive system includes setting air clutch on bidirectional ram pump, bidirectional ram pump
Device shift fork and second pressure table；Is set on the hydraulic tube that described bidirectional ram pump is connected with low pressure pot for storing up liquid import and export respectively
One check valve and electro-hydraulic reversing valve；The 3rd is set on the high-voltage tube that described bidirectional ram pump is connected with gas barrier formula accumulator single
To valve, electro-hydraulic reversing valve and the second seat valve formula pilot solenoid valve, set on gas barrier formula accumulator first pressure table and pressure after
Electrical equipment；Second check valve in parallel, oil filter and wind on the pipeline that described bidirectional ram pump is connected with gas barrier formula accumulator
The first conductive magnetism of cold type oil cooler, proportional velocity regulating valve and First valve type pilot solenoid valve, proportional velocity regulating valve and First valve type
Overflow valve in parallel on valve.
Compared with the prior art a kind of hybrid power drive axle of the present invention has prominent substantive distinguishing features and shows
Write progress, 1, in vehicle braking or hydraulic pump participation work during lower long slope, the kinetic energy of vehicle with the shape of highly pressurised liquid or gas
Formula is saved, while realizing that vehicle is slow, the function of auxiliary braking；2nd, during vehicle start, the highly pressurised liquid saved or
Gas push hydraulic pump works --- now hydraulic pump plays a part of hydraulic motor, and then realizes the work(of motor vehicle process auxiliary drive
Energy；3rd, the fluid power combination drive is directly acted on drive axle so that process auxiliary drive is more directly, efficiently；4th, vehicle is realized
Oil-saving discharging-reducing.
Brief description of the drawings：
Fig. 1 is the structural representation of the present invention；
Fig. 2 is Fig. 1 partial enlarged drawing；
Fig. 3 is the flow chart of the hydraulic hybrid drive system of the present invention.
Wherein, 1 gas-tpe fitting, 2 pistons, 3 shift forks, 4 return springs, 5 shift fork axles, 6 drive bevel gears, 7 differential sides
Wheel, 8 semiaxis, 9 active roller gears, 10 thrust bearings, 11 first Wet-type friction slices, 12 second Wet-type friction slices, 13 wheel hubs, 14
Driving wheel, 15 hydraulic tubes, 16 high-voltage tubes, 17 bidirectional ram pump roller gears, 18 low pressure pot for storing up liquid, 19 driven wheels of differential, 20 pairs
To plunger pump, 21 gas barrier formula accumulators, 22 first check valves, 23 pneumatic clutch shift forks, 24 second check valves, 25 the 3rd
Check valve, 26 overflow valves, 27 First valve type pilot solenoid valves, 28 proportional velocity regulating valves, 29 electro-hydraulic reversing valves, 30 second seat valve formulas
Pilot solenoid valve, 31 first pressure tables, 32 pressure switches, 33 second pressure tables, 34 wind cooling oil coolers, 35 oil filters.
Specific embodiment：
For a better understanding and implementation, providing specific embodiment below in conjunction with the accompanying drawings describes the present invention in detail；Lift real
Apply example to be only used for explaining the present invention, be not intended to limit the present invention.
Embodiment 1, referring to Fig. 1, Fig. 2, Fig. 3, needs to select suitable part according to design；By the first Wet-type friction slice 11
It is connected by internal spline with the external splines of drive bevel gear 6, the second Wet-type friction slice 12 passes through in external splines and active roller gear 9
Spline is connected；Active roller gear 9 coordinates with the small―gap suture of drive bevel gear 6, not by axial force（That is the normal row of motor vehicles
Sail）In the case of relatively independent can rotate；Bidirectional ram pump（Motor）20 carry bidirectional ram pump roller gear 17 and actively circle
Stud wheel 9 is intermeshed；Drive bevel gear 6 and the mating engagement of driven wheel of differential 19；Driven wheel of differential 19 drives differential side
Wheel 7 rotates together；The one end of semiaxis 8 is connected by spline with differential side wheel 7, and another end flanges pass through bolt and wheel hub 13
It is connected；Wheel hub 13 is connected by bolt with driving wheel 14；Air chamber, piston 2 and shift fork 3 are formed between gas-tpe fitting 1 and piston 2
Shift fork axle 5 is connected, and the overcoat return spring 4 of shift fork axle 5, piston 2 is connected with return spring 4, shift fork 3 and thrust bearing 10, first
Wet-type friction slice 11, the second Wet-type friction slice 12 are sequentially connected, and piston 2 promotes shift fork axle 5 to drive shift fork 3, thrust bearing 10 to give
The first Wet-type friction slice 11, the axial force of the second Wet-type friction slice 12 are given, the axial force can be wet by the first Wet-type friction slice 11, second
Formula friction plate 12, active roller gear 9, drive bevel gear 6 are coupled into a rigid body；
Pneumatic clutch shift fork 23 and second pressure table 33 are installed on bidirectional ram pump 20；Bidirectional ram pump 20 with it is low
The first check valve 22 and electro-hydraulic reversing valve 29 are respectively mounted on the hydraulic tube 15 of pressure pot for storing up liquid 18 import and export connection；In two-way column
The 3rd check valve 25, electro-hydraulic reversing valve 29 and second are installed on the high-voltage tube 16 that plug pump 20 is connected with gas barrier formula accumulator 21
First pressure table 31 and pressure switch 32 are installed on seat valve formula pilot solenoid valve 30, gas barrier formula accumulator 21；Two-way
Second check valve 24 in parallel, oil filter 35 and air-cooled oil cooling on the pipeline that plunger pump 20 is connected with gas barrier formula accumulator 21
But the first conductive magnetism of device 34, proportional velocity regulating valve 28 and First valve type pilot solenoid valve 27, proportional velocity regulating valve 28 and First valve type
Overflow valve 26 in parallel, forms hydraulic hybrid drive system on valve 27.
A kind of hybrid power drive axle of the present invention, when motor vehicle normally travel：The torsion that engine, gearbox transmission come
Square is delivered to driven wheel of differential through drive bevel gear, then drives differential side wheel, semiaxis, wheel hub, driving wheel rotation, realizes
The normally travel of motor vehicle；Now with the effect of the elastic force of return spring, forming gas chamber volume between gas-tpe fitting and piston
Minimum, can be relatively rotated between the first Wet-type friction slice, the second Wet-type friction slice, and active roller gear is sliding in drive bevel gear
Dynamic friction, can be relatively rotated, i.e. bidirectional ram pump（Motor）Do not work；
When automobile braking or when needing reduction of speed to travel：The power cut of engine, gearbox；Gas-tpe fitting is inflated, gas
Air chamber volume in the presence of high pressure gas increases between pipe joint and piston, and piston compression retracteding position spring promotes shift fork axle to drive and dialled
Fork, thrust bearing give the first Wet-type friction slice, the second Wet-type friction slice axial force, and active Knucle-gear is coupled in into active conical tooth
On wheel；Now motor vehicle is in the presence of inertia, driving wheel drive successively wheel hub, semiaxis, differential side wheel, from mantle tooth
Wheel, drive bevel gear, active roller gear, bidirectional ram pump cylindrical gear rotary, and then drive bidirectional ram pump（Motor）Work
Make；Bidirectional ram pump now（Motor）Hydraulic oil in low pressure pot for storing up liquid is passed through into the 3rd check valve, electro-hydraulic reversing valve, second
Seat valve formula pilot solenoid valve is pumped into gas barrier formula accumulator, after gas barrier formula accumulator is full of, pressure solenoid valve work, the
One seat valve formula pilot solenoid valve is powered, and hydraulic oil flows back to low pressure pot for storing up liquid from proportional velocity regulating valve；Flow through the flow of proportional velocity regulating valve
Determined by the input signal of ratio electromagnetism；Just during braking, bidirectional ram pump（Motor）Rotating speed it is very fast, hydraulic fluid flow rate is larger,
Can not whole passing ratio flow speed control valves be back to low pressure pot for storing up liquid so that bidirectional ram pump（Motor）Outlet pressure increase, pressure
The regulation pressure of overflow valve is reached, overflow valve is opened, section hydraulic oil flows back into low pressure pot for storing up liquid by overflow valve, now, system
Power is maximum；Effect and bidirectional ram pump with vehicle main brake power（Motor）Retarded acting, speed reduction, to two-way column
Fill in pump（Motor）The hydraulic oil that pumps out can completely passing ratio flow speed control valve when, the combination drive bridge does not just play braking retarded acting
；That is, speed stable after one braking of each automatically controlled signal of proportion electro-magnet correspondence；In this process, the system is completed
Braking outside motor vehicle main brake power is slow and braking energy saves function；
When motor vehicle is started to walk or needs power-assisted：Second seat valve formula pilot solenoid valve, electro-hydraulic reversing valve are powered, make gas barrier formula
Accumulator passes through electro-hydraulic reversing valve and bidirectional ram pump（Motor）A mouths connection, high pressure liquid press oil through bidirectional ram pump（Motor）
B mouths low pressure pot for storing up liquid is entered by the 3rd check valve, this process causes bidirectional ram pump（Motor）Rotation realizes hydraulic pressure horse
The function of reaching, plays a part of to motor vehicle process auxiliary drive；
Oil filter, wind cooling oil cooler play a part of filtering oil circuit and cooling down；
To sum up, realize that the slow, Brake energy recovery of braking of motor vehicle is saved and power-assisted driving function if necessary.
Claims (2)
1. a kind of hybrid power drive axle, it is characterised in that by gas-tpe fitting（1）, piston（2）, shift fork（3）, return spring
（4）, shift fork axle（5）, drive bevel gear（6）, differential side wheel（7）, semiaxis（8）, active roller gear（9）, thrust bearing
（10）, the first Wet-type friction slice（11）, the second Wet-type friction slice（12）, wheel hub（13）, driving wheel（14）, hydraulic tube（15）, it is high
Pressure pipe（16）, bidirectional ram pump roller gear（17）, low pressure pot for storing up liquid（18）, driven wheel of differential（19）, bidirectional ram pump（20）、
Gas barrier formula accumulator（21）And hydraulic hybrid drive system composition；The first described Wet-type friction slice（11）Pass through internal spline
With drive bevel gear（6）External splines is connected, the second described Wet-type friction slice（12）Pass through external splines and active roller gear（9）
Internal spline is connected, active roller gear（9）With drive bevel gear（6）Small―gap suture coordinates, and relatively independent can rotate；Described is two-way
Plunger pump（20）On bidirectional ram pump roller gear（17）With active roller gear（9）Intermeshing；Described active conical tooth
Wheel（6）With driven wheel of differential（19）Mating engagement, driven wheel of differential（19）Drive differential side wheel（7）Rotate together；It is described
Semiaxis（8）One end passes through spline and differential side wheel（7）It is connected, semiaxis（8）Another end flanges pass through bolt and wheel hub
（13）It is connected；Described wheel hub（13）Pass through bolt and driving wheel（14）Connection；Described gas-tpe fitting（1）With piston（2）It
Between form air chamber, piston（2）With shift fork（3）Shift fork axle（5）Connection, shift fork axle（5）On set return spring（4）, shift fork（3）With
Thrust bearing (10), the first Wet-type friction slice（11）, the second Wet-type friction slice（12）It is sequentially connected, piston（2）Promote shift fork axle
（5）Drive shift fork（3）, thrust bearing (10) give the first Wet-type friction slice（11）, the second Wet-type friction slice（12）Axial force, should
Axial force is by the first Wet-type friction slice（11）, the second Wet-type friction slice（12）, active roller gear（9）, drive bevel gear（6）Coupling
Synthesize a rigid body；Bidirectional ram pump in described hydraulic hybrid drive system（20）Pass through hydraulic tube（15）Low pressure is connected to store
Flow container（18）, pass through high-voltage tube（16）Connect gas barrier formula accumulator（21）.
2. a kind of hybrid power drive axle according to claim 1, it is characterised in that described hydraulic hybrid drive system
Including bidirectional ram pump（20）, bidirectional ram pump（20）On set pneumatic clutch shift fork（23）With second pressure table（33）；It is described
Bidirectional ram pump（20）With low pressure pot for storing up liquid（18）The hydraulic tube of import and export connection（15）It is upper to set the first check valve respectively（22）
And electro-hydraulic reversing valve（29）；Described bidirectional ram pump（20）With gas barrier formula accumulator（21）The high-voltage tube of connection（16）On
If the 3rd check valve（25）, electro-hydraulic reversing valve（29）With the second seat valve formula pilot solenoid valve（30）, gas barrier formula accumulator
（21）On set first pressure table（31）And pressure switch（32）；Described bidirectional ram pump（20）With gas barrier formula accumulator
（21）Second check valve in parallel on the pipeline of connection（24）, oil filter（35）And wind cooling oil cooler（34）, proportional velocity regulating valve
（28）With First valve type pilot solenoid valve（27）, proportional velocity regulating valve（28）With First valve type pilot solenoid valve（27）Upper parallel connection
Overflow valve（26）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510659877.6A CN105216615B (en) | 2015-10-14 | 2015-10-14 | A kind of hybrid power drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510659877.6A CN105216615B (en) | 2015-10-14 | 2015-10-14 | A kind of hybrid power drive axle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105216615A CN105216615A (en) | 2016-01-06 |
| CN105216615B true CN105216615B (en) | 2017-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510659877.6A Active CN105216615B (en) | 2015-10-14 | 2015-10-14 | A kind of hybrid power drive axle |
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| Country | Link |
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| CN (1) | CN105216615B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3067972B1 (en) * | 2017-06-23 | 2020-01-03 | Lohr Industrie | CENTRAL MECHANICS FOR MOTORIZED VEHICLE AXLE |
| CN110001607A (en) * | 2019-04-02 | 2019-07-12 | 中国煤炭科工集团太原研究院有限公司 | A kind of coal mine underwell railless rubber tyre emergency braking apparatus |
| CN112744291B (en) * | 2019-10-31 | 2022-05-13 | 比亚迪股份有限公司 | Hydraulic motor and steering column with same |
| CN117048314B (en) * | 2023-10-11 | 2024-01-30 | 吉林省威创机电工程有限公司 | Electric drive axle unit for assisting vehicle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4760697A (en) * | 1986-08-13 | 1988-08-02 | National Research Council Of Canada | Mechanical power regeneration system |
| US20050167228A1 (en) * | 2004-01-29 | 2005-08-04 | Baxter Ralph W.Jr. | Hydraulic clutch actuator for limited slip differential assembly |
| KR101427908B1 (en) * | 2008-04-21 | 2014-08-11 | 현대자동차 주식회사 | System equipped with limited slip differential |
| CN103223849B (en) * | 2013-03-28 | 2015-08-19 | 同济大学 | A kind of parallel-connection type hybrid power driver for vehicle |
| CN203418979U (en) * | 2013-06-19 | 2014-02-05 | 山东蓬翔汽车有限公司 | Double reduction communication driving axle assembly |
| CN205086680U (en) * | 2015-10-14 | 2016-03-16 | 山东蓬翔汽车有限公司 | Hybrid transaxle |
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2015
- 2015-10-14 CN CN201510659877.6A patent/CN105216615B/en active Active
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| CN105216615A (en) | 2016-01-06 |
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Effective date of registration: 20201123 Address after: 241000 No.5 Nanhuan Road, Penglai City, Wuhu City, Anhui Province Patentee after: WUHU PENGXIANG AXLE Co.,Ltd. Address before: 265607, No. 5, South Ring Road, Penglai, Shandong, Yantai Patentee before: SHANDONG PENGXIANG AUTOMOBILE Co.,Ltd. |
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Address after: 241000 Linjiang Industrial Zone, Sanshan Economic Development Zone, Wuhu City, Anhui Province Patentee after: WUHU PENGXIANG AXLE Co.,Ltd. Address before: 241000 No.5 Nanhuan Road, Penglai City, Wuhu City, Anhui Province Patentee before: WUHU PENGXIANG AXLE Co.,Ltd. |
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Address after: 241000 Linjiang Industrial Zone, Sanshan Economic Development Zone, Wuhu City, Anhui Province Patentee after: Wuhu Pengxiang Heavy Industry Co.,Ltd. Address before: 241000 Linjiang Industrial Zone, Sanshan Economic Development Zone, Wuhu City, Anhui Province Patentee before: WUHU PENGXIANG AXLE Co.,Ltd. |
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