CN108016291A - Bridge before a kind of new-energy automobile Monobloc - Google Patents
Bridge before a kind of new-energy automobile Monobloc Download PDFInfo
- Publication number
- CN108016291A CN108016291A CN201711220868.2A CN201711220868A CN108016291A CN 108016291 A CN108016291 A CN 108016291A CN 201711220868 A CN201711220868 A CN 201711220868A CN 108016291 A CN108016291 A CN 108016291A
- Authority
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- China
- Prior art keywords
- axle housing
- shaft
- gear reducer
- motor
- gear
- 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.)
- Pending
Links
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 62
- 238000009434 installation Methods 0.000 claims abstract description 6
- 230000005611 electricity Effects 0.000 claims description 2
- 238000005266 casting Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
- B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
-
- 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
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
- B60K17/165—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing provided between independent half axles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
Bridge before the new-energy automobile Monobloc of the present invention, spring block is coaxially arranged with left and right sides of motor, left axle housing is installed inside spring block, right axle housing, motor, gear reducer, differential mechanism and left axle housing, right axle housing is co-axially mounted, machine shaft, the input and output shaft of gear reducer is all coaxial hollow axis, differential mechanism is installed in right axle housing and passes through gear reducer by left half axle, revolver component is connected to after the hollow shaft of motor and transmits driving torque, right axle shaft is connected driving with right wheel position, so that the motor of front-axle structure can both realize both sides or so semiaxis while to the left and right both sides output torque, it can realize differential automatically again, meets the needs of new-energy automobile both sides car wheel structure is compact, coaxial configuration is easy to cast, it is compact-sized, it is small, it is light-weight, installation operation is convenient.
Description
Technical field
The present invention relates to bridge before a kind of new-energy automobile Monobloc.
Background technology
Due to energy consumption and pollution problem getting worse, national policy supports the development of guiding new-energy automobile energetically, with
The enhancing of people's environmental consciousness and the lifting of progress especially cruising ability of new-energy automobile manufacturing technology and the drop of cost
Low, new-energy automobile development is become better and better;New-energy automobile has become the following emphasis direction increased of industry, has wide city
Field prospect and opportunity；Vehicle power structure generally drives motor, and driving motor is respectively by gear reducer, differential mechanism in prime mover
Rotating speed is matched between working machine or executing agency, transmits torque, to reduce rotating speed, increase torque；The driving electricity of conventional truck
Machine, gear reducer, differential mechanism need to install respectively, and installation is fixedly connected with vehicle chassis by connection structure, and connection structure is multiple
Miscellaneous, amount of parts is more, and volume is necessarily large and bulky, and occupied space is more, and casting processing is inconvenient, and installation operation is cumbersome.
The content of the invention
The technical problem to be solved by the invention is to provide one kind to be easy to casting, compact-sized, small, light-weight, peace
Fill bridge before easy to operate new-energy automobile Monobloc.
Bridge before the new-energy automobile Monobloc of the present invention, including motor, motor are connected with gear reducer and differential mechanism, its
It is characterized in that：Spring block is coaxially arranged with left and right sides of motor, the two left axle housings in left and right, right axle housing are provided with by spring block,
Motor left end is fixedly connected with left axle housing, and motor right end is fixedly connected with gear reducer left end, and gear reducer right end is fixed with right axle housing
Connection, differential mechanism are fixedly mounted on inside right axle housing；Machine shaft is the hollow shaft with hollow cavity, and the input of gear reducer is defeated
Shaft is the concentric axle construction with machine shaft, and the input and output shaft of gear reducer is also the hollow shaft for having hollow cavity, is slowed down
Machine input axis connection connects machine shaft, and output shaft connected with differential transmits moment of torsion；Differential mechanism is provided centrally with left half axle gear, the right side
Axle shaft gear, left half axle gear, right axle shaft gear connect left half axle, right axle shaft respectively；Left half axle passes through gear reducer, the sky of motor
Mandrel structure simultaneously stretches out left axle housing and is connected with revolver component, and right axle shaft is connected after passing through right axle housing with right wheel component；
Left half section of the right axle housing is relatively large in diameter so that right axle housing Inner Constitution differential mechanism placing chamber, the right half section of excircle of right axle housing
Coordinate with spring block and install；
The gear reducer is planet-gear speed reducer；
The differential mechanism is connected by differential casing with speed reducer output shaft transmits moment of torsion；
The motor is fixedly connected by electric machine casing with left axle housing, and gear reducer is fixed by reducer shell and right axle housing to be connected
Connect；
The left axle housing is fixedly connected by flange with electric machine casing, and electric machine casing is fixed by flange and reducer shell to be connected
Connect, right axle housing is fixedly connected by flange with reducer shell.
Bridge before the new-energy automobile Monobloc of the present invention, motor, gear reducer, differential mechanism and left axle housing, right axle housing are same
Axis is installed, and machine shaft, the input and output shaft of gear reducer are all coaxial hollow axis, and differential mechanism is installed in right axle housing and passes through a left side
Semiaxis is connected to revolver component transmission driving torque after passing through the hollow shaft of gear reducer, motor, and right axle shaft is connected with right wheel position
Driving so that the motor of front-axle structure can not only realize both sides or so semiaxis while to the left and right both sides output torque, but also can be automatically real
Existing differential, meets the needs of new-energy automobile both sides car wheel structure is compact, and coaxial configuration is easy to casting, compact-sized, small,
Light-weight, installation operation is convenient.
Brief description of the drawings
Fig. 1 be the embodiment of the present invention a kind of new-energy automobile Monobloc before bridge planar structure schematic diagram.
Embodiment
As shown in the figure, bridge before a kind of new-energy automobile Monobloc, including motor 3, motor 3 are connected with 4 He of gear reducer
Differential mechanism 5, the left and right sides of motor 3 are coaxially arranged with spring block 1, and left and right two left axle housings 7, You Qiao are provided with by spring block 1
Shell 11,3 left end of motor are fixedly connected with left axle housing 7, and 3 right end of motor is fixedly connected with 4 left end of gear reducer, 4 right end of gear reducer with
Right axle housing 11 is fixedly connected, and differential mechanism 5 is fixedly mounted on inside right axle housing 11；Machine shaft 9 is with the hollow of hollow cavity
Axis, the input and output shaft of gear reducer 4 is the concentric axle construction with machine shaft 9, and the input and output shaft of gear reducer 4 is also in having
The hollow shaft of empty inner cavity, gear reducer 4 input axis connection machine shaft 9, and output shaft connected with differential 5 transmits moment of torsion；In differential mechanism 5
The heart is provided with left half axle gear, right axle shaft gear, and left half axle gear, right axle shaft gear connect left half axle 2, right axle shaft 6 respectively；It is left
Semiaxis 2 through gear reducer 4, motor 3 hollow shaft structure and stretch out left axle housing 7 and be connected with revolver component, right axle shaft 6 passes through right bridge
It is connected after shell 11 with right wheel component；Torque drive revolver component is transmitted by left half axle 2, torque drive is transmitted by right axle shaft 6
Right wheel component, realizes that revolver and right wheel are differential so that the motor of front-axle structure both can be real by left half axle gear, right axle shaft gear
Existing both sides or so semiaxis while both sides output torque, and can realize differential automatically to the left and right.
Right left half section of axle housing 11 is relatively large in diameter so that left half intersegmental part of right axle housing 11 forms the placing chamber of differential mechanism 5, right bridge
The right half section of excircle of shell 11 coordinates with spring block 1 to be installed；Differential mechanism 5 is directly installed on inside right axle housing 11, compact-sized.
Gear reducer 4 is planet-gear speed reducer, is occupied little space, light-weight.
Differential mechanism 5 exports axis connection by differential casing 10 and gear reducer 4 and transmits moment of torsion, and differential casing 10 transmits again
Power drives left half axle 2, right axle shaft 6 respectively to left half axle gear, right axle shaft gear by left half axle gear, right axle shaft gear
Passing power so that left and right wheels can continue to rotate and realize differential speed rotation at the same time.
Motor 3 is fixedly connected by electric machine casing 8 with left axle housing 7, and gear reducer 4 is solid by reducer shell and right axle housing 11
Fixed connection, it is compact-sized, it is small.
Left axle housing 7 is fixedly connected by flange with electric machine casing 8, and electric machine casing 8 is fixed by flange and 4 housing of gear reducer
Connection, right axle housing 11 are fixedly connected by flange with 4 housing of gear reducer, and all housings are all connected with being structure as a whole, and connection is reliable.
Bridge before the new-energy automobile Monobloc of the present invention, motor, gear reducer, differential mechanism and left axle housing, right axle housing are same
Axis is installed, and machine shaft, the input and output shaft of gear reducer are all coaxial hollow axis, and differential mechanism is installed in right axle housing and passes through a left side
Semiaxis is connected to revolver component transmission driving torque after passing through the hollow shaft of gear reducer, motor, and right axle shaft is connected with right wheel position
Driving so that the motor of front-axle structure can not only realize both sides or so semiaxis while to the left and right both sides output torque, but also can be automatically real
Existing differential, meets the needs of new-energy automobile both sides car wheel structure is compact, and coaxial configuration is easy to casting, compact-sized, small,
Light-weight, installation operation is convenient.
Bridge specific embodiment before the new-energy automobile Monobloc of the present invention：Motor-driven machine shaft is hollow
Output shaft, by powering on, motor passes through hollow shaft output torque.
Gear reducer is a kind of cartridge type planet-gear speed reducer, and gear reducer left end is with motor right end by being connected straight mouth phase
Even, the output terminal of machine shaft is connected by external splines with the sun gear internal spline of gear reducer.
Differential mechanism is common planetary gear differential mechanism, and differential mechanism shell is directly connected with output end of reducer, left half axle tooth
Wheel, right axle shaft gear are connected with left half axle, right axle shaft respectively.
Axle housing is motor housing, decelerator shell and vehicle bridge housing is integrated, that is, electric machine casing, the decelerator body
Body is a part for axle shell.
The operation principle of the new-energy automobile drive axle of integrated form：Hollow driving motor, hollow planet-gear speed reducer, difference
The one word connection of fast device longitudinal direction.
Motor output torque outputs torque to gear reducer by machine shaft, and gear reducer outputs torque to difference after slowing down
Fast device, differential mechanism pass through differential, by moment of torsion by left half axle gear, right axle shaft gear, are delivered to left half axle and right axle shaft respectively,
Realize left and right ends output torque at the same time.
Advantage：1st, the new source automobile drive axle of integrated form is integrated by motor, gear reducer, differential mechanism, and motor output is turned round
Square, by differential mechanism differential, can not only realize motor both sides or so semiaxis output torque at the same time, but also can oneself to planet-gear speed reducer
It is dynamic to realize differential, meet the needs of two sidecar wheel of new-energy automobile.
2nd, hollow driving motor, hollow planet-gear speed reducer, the one word connection of differential mechanism longitudinal direction, by motor housing, slow down
Machine shell and vehicle bridge housing are integrated, compact-sized as a part for new energy axle shell, save space, and weight is big
It is big to mitigate.
Claims (6)
1. bridge before a kind of new-energy automobile Monobloc, including motor（3）, motor（3）It is connected with gear reducer（4）And differential mechanism
（5）, it is characterised in that：Motor（3）The left and right sides is coaxially arranged with spring block（1）, pass through spring block（1）Left and right two is installed
Left axle housing（7）, right axle housing（11）, motor（3）Left end and left axle housing（7）It is fixedly connected, motor（3）Right end and gear reducer（4）It is left
End is fixedly connected, gear reducer（4）Right end and right axle housing（11）It is fixedly connected, differential mechanism（5）It is fixedly mounted on right axle housing（11）It is interior
Portion；Machine shaft（9）For the hollow shaft with hollow cavity, gear reducer（4）Input and output shaft be and machine shaft（9）It is same
Mandrel structure, gear reducer（4）Input and output shaft be also the hollow shaft for having hollow cavity, gear reducer（4）Input axis connection connects
Machine shaft（9）, output shaft connected with differential（5）Transmit moment of torsion；Differential mechanism（5）It is provided centrally with left half axle gear, right axle shaft
Gear, left half axle gear, right axle shaft gear connect left half axle respectively（2）, right axle shaft（6）；Left half axle（2）Through gear reducer（4）、
Motor（3）Hollow shaft structure and stretch out left axle housing（7）It is connected with revolver component, right axle shaft（6）Through right axle housing（11）Afterwards with
Right wheel component connects.
2. bridge before new-energy automobile Monobloc according to claim 1, it is characterised in that：The right axle housing（11）Left half
Section is relatively large in diameter so that right axle housing（11）Inner Constitution differential mechanism（5）Placing chamber, right axle housing（11）Right half section of excircle and leaf spring
Seat（1）Coordinate installation.
3. bridge before new-energy automobile Monobloc according to claim 1, it is characterised in that：The gear reducer（4）For row
Star gear reduction unit.
4. bridge before new-energy automobile Monobloc according to claim 1, it is characterised in that：The differential mechanism（5）Pass through
Differential casing（10）With gear reducer（4）Export axis connection and transmit moment of torsion.
5. bridge before new-energy automobile Monobloc according to claim 1, it is characterised in that：The motor（3）Pass through electricity
Casing body（8）With left axle housing（7）It is fixedly connected, gear reducer（4）Pass through reducer shell and right axle housing（11）It is fixedly connected.
6. bridge before new-energy automobile Monobloc according to claim 5, it is characterised in that：The left axle housing（7）Pass through
Flange and electric machine casing（8）It is fixedly connected, electric machine casing（8）Pass through flange and gear reducer（4）Housing is fixedly connected, right axle housing
（11）Pass through flange and gear reducer（4）Housing is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711220868.2A CN108016291A (en) | 2017-11-29 | 2017-11-29 | Bridge before a kind of new-energy automobile Monobloc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711220868.2A CN108016291A (en) | 2017-11-29 | 2017-11-29 | Bridge before a kind of new-energy automobile Monobloc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108016291A true CN108016291A (en) | 2018-05-11 |
Family
ID=62077575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711220868.2A Pending CN108016291A (en) | 2017-11-29 | 2017-11-29 | Bridge before a kind of new-energy automobile Monobloc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108016291A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113472243A (en) * | 2021-06-23 | 2021-10-01 | 的卢技术有限公司 | Coaxial double-motor rotating speed synchronous control method and system |
| CN113525052A (en) * | 2020-04-21 | 2021-10-22 | 中车株洲电力机车研究所有限公司 | Electrically-driven axle and new energy automobile |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090111641A1 (en) * | 2007-10-29 | 2009-04-30 | Hyundai Motor Company | Rear wheel drive apparatus for four wheel drive (4WD) hybrid electric vehicle |
| CN101602326A (en) * | 2009-07-06 | 2009-12-16 | 奇瑞汽车股份有限公司 | A kind of differential retarder |
| CN102616134A (en) * | 2012-04-16 | 2012-08-01 | 中国汽车技术研究中心 | Integrated driving device for pure electric vehicle |
| CN202507917U (en) * | 2012-02-29 | 2012-10-31 | 长城汽车股份有限公司 | Power assembly of electric automobile |
| CN103029577A (en) * | 2012-12-28 | 2013-04-10 | 辽宁曙光汽车集团股份有限公司 | Coaxial direct-connection type drive axle assembly of electric automobile |
| CN207683334U (en) * | 2017-11-29 | 2018-08-03 | 航科汽车底盘系统（镇江）有限公司 | Bridge before a kind of new-energy automobile Monobloc |
-
2017
- 2017-11-29 CN CN201711220868.2A patent/CN108016291A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090111641A1 (en) * | 2007-10-29 | 2009-04-30 | Hyundai Motor Company | Rear wheel drive apparatus for four wheel drive (4WD) hybrid electric vehicle |
| CN101602326A (en) * | 2009-07-06 | 2009-12-16 | 奇瑞汽车股份有限公司 | A kind of differential retarder |
| CN202507917U (en) * | 2012-02-29 | 2012-10-31 | 长城汽车股份有限公司 | Power assembly of electric automobile |
| CN102616134A (en) * | 2012-04-16 | 2012-08-01 | 中国汽车技术研究中心 | Integrated driving device for pure electric vehicle |
| CN103029577A (en) * | 2012-12-28 | 2013-04-10 | 辽宁曙光汽车集团股份有限公司 | Coaxial direct-connection type drive axle assembly of electric automobile |
| CN207683334U (en) * | 2017-11-29 | 2018-08-03 | 航科汽车底盘系统（镇江）有限公司 | Bridge before a kind of new-energy automobile Monobloc |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113525052A (en) * | 2020-04-21 | 2021-10-22 | 中车株洲电力机车研究所有限公司 | Electrically-driven axle and new energy automobile |
| CN113472243A (en) * | 2021-06-23 | 2021-10-01 | 的卢技术有限公司 | Coaxial double-motor rotating speed synchronous control method and system |
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