CN108001217A - A kind of electric automobile integral type power assembly - Google Patents
A kind of electric automobile integral type power assembly Download PDFInfo
- Publication number
- CN108001217A CN108001217A CN201711363198.XA CN201711363198A CN108001217A CN 108001217 A CN108001217 A CN 108001217A CN 201711363198 A CN201711363198 A CN 201711363198A CN 108001217 A CN108001217 A CN 108001217A
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- China
- Prior art keywords
- gear
- axle shaft
- motor
- differential mechanism
- electric automobile
- 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
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- 238000004804 winding Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 230000008439 repair process Effects 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000736199 Paeonia Species 0.000 description 1
- 235000006484 Paeonia officinalis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000003746 surface roughness Effects 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a kind of electric automobile integral type power assembly, including motor, retarder, intermediate support, differential mechanism；Motor shaft one end of the motor is spiral bevel gear, is engaged as retarder input terminal with the driven spiral bevel gear of retarder；The driven spiral bevel gear is connected by screw bolts with differential mechanism shell and is integrally formed, and operates at the same time；The intermediate support left end is fixed with bolts on motor housing, supporting rack of the right end as differential mechanism；The differential mechanism is fixed with bolts on intermediate support；The present invention largely simplifies the structure of existing power assembly of electric automobile, reduce procedure of processing, save raw material, it is easily installed and repairs, cost is reduced, reduces power assembly of electric automobile volume, saves space, the arrangement space of bigger is reserved for on-vehicle battery, improves the dynamic property and economy of electric automobile.
Description
Technical field
The present invention relates to a kind of power assembly, more particularly to a kind of electric automobile integral type power assembly.
Background technology
Compared to more traditional fuel-engined vehicle, electric automobile has the following advantages：" zero " pollutes, and saves money, and noise is small, energy saving,
It is simple in structure, it is easy to maintain, accelerate fast.The pure electric automobile necessarily future developing trend of " zero " pollution, and electric automobile
Core is power assembly.
The application for a patent for invention of Application No. 201210089868.4 discloses a kind of power assembly used for electric vehicle, it is tied
Structure is as follows：Including gear box, differential casing is connected with by 5th bearing in gear box, in differential casing
Differential part is inside installed, differential part is connected with the left half axle stretched out to the left and the right axle shaft stretched out to the right, in gearbox
Driving motor is fixedly connected with the side cover of babinet, drives the armature spindle of motor in a tubular form and is sleeved on the outside of the semiaxis of the side,
Transmission mechanism is equipped between armature spindle and differential casing；The end machining of wherein armature spindle has armature spindle internal tooth, the first external tooth
It is sleeved on the outside of semiaxis, one end of the first external tooth cover is meshed with the armature spindle internal tooth, outside the middle part of the first external tooth cover
Side is set with internal tooth connector sleeve by interference fit type, and the 3rd axis is equipped between internal tooth connector sleeve and gear box side cover
Hold, the other end of the first external tooth cover is meshed with the tooth on drive gear excircle, and the endoporus of drive gear has internal tooth and coordinates
Be sleeved on one end of the second external tooth cover, the second external tooth cover is sleeved in support shaft, one end of support shaft and the side cover of gearbox it
Between be fixedly connected, the other end of the second external tooth cover is meshed with the right internal tooth of ring gear side, the opposite side of ring gear with it is described
Differential casing be connected.
The set power assembly of electric automobile has the following disadvantages：Complicated, part is various, and the processing and manufacturing to part has
Very high required precision, installation difficulty is big, is not easy to maintenance in the future, easy to wear, complicated mechanism between part, machinery effect
Rate is low, will certainly cause expensive, is unfavorable for the popularization of electric automobile.
The content of the invention
The invention discloses a kind of simple in structure, part is less, and mechanical efficiency is high, and processing and manufacturing is easier, installation letter
It is single, it is easy to maintenance, it is small, save raw material, a kind of low electric automobile integral type power assembly of cost.
The present invention realizes by the following technical solutions：
A kind of electric automobile integral type power assembly, including motor, retarder, intermediate support, differential mechanism.The electricity
Motivation part plays a part of to provide power, and the retarder plays deceleration torque, and the intermediate support plays support and connects
The effect of motor and differential mechanism is connect, the differential mechanism plays differential；Motor stator magnet is nested on motor housing, electricity
Machine rotor winding is nested on motor shaft；One group of taper roll bearing, bearing spacing ring are nested at motor housing bottom centre
Circular boss in；Motor shaft left end is nested in taper roll bearing, bearing spacing ring；Another set taper roller axis
Hold, bearing spacing ring be nested in intermediate supports set bottom centre place circular boss in, motor shaft right end be nested in the group justifies
In taper roller bearing, bearing spacing ring；Intermediate supports set is fixed with bolts on motor housing；Motor shaft right end is arc
Bevel gear, motor shaft right end put on reserved motor axis hole through intermediate supports, are then engaged with driven spiral bevel gear, rise
The effect of deceleration torque；Bearing cap is connected by screw bolts with intermediate supports set, and bearing cap is fixed on intermediate supports puts on；Slow down
Device driven spiral bevel gear is connected by screw bolts with differential mechanism shell, makes retarder driven spiral bevel gear and the same luck of differential mechanism
Turn；Planetary gear bottom is directly contacted with planet gear pad, and planet gear pad is directly contacted with differential mechanism shell, and planet
Gear is horizontally oriented；Axle shaft gear bottom is contacted with axle shaft gear gasket, and axle shaft gear gasket is contacted with differential mechanism shell,
And axle shaft gear is in vertical direction；Axle shaft gear gasket, planetary gear gasket can prevent gear from directly being sent out with differential mechanism shell
Raw abrasion, extends its service life；The axis of axle shaft gear is nested in taper roll bearing, there is interior flower at axle shaft gear center
Key, is connected easy to this set assembly with automobile axle shaft；
As an optimization, the motor shaft right end is spiral bevel gear, and as retarder input terminal, an axis is dual-purpose, Ke Yijian
Change structure, make more compact structure, save raw material, reduce cost；
As an optimization, at the motor casing bottom centre, there is one respectively at intermediate supports set left end bottom centre
Circular boss, for placing taper roll bearing, bearing spacing ring；It can be occurred using bearing spacing ring to avoid bearing axial
Upper play, the abrasion of motor shaft and motor housing and intermediate supports set can be reduced using taper roll bearing, and extending motor makes
Use the service life；
As an optimization, there are planet gear pad, axle shaft gear gasket in the differential mechanism, prevent planetary gear, half axle gear
With differential mechanism shell abrasion directly occurs for wheel, so as to extend differential mechanism service life；
As an optimization, with there is the boss of semi-annular shape on bearing cap, both are used cooperatively intermediate supports set, can be to prevent
Only the play in axial direction occurs for axle shaft gear, and additionally mounted bearing (ball) cover is not required, it is possible to reduce processing and installation step；
As an optimization, it is equipped with intermediate supports set support among the motor and differential mechanism, and by three groups of hex bolts, six
Angle nut is fixed, and can improve the stability of this set assembly structure.
The beneficial effects of the invention are as follows：The present invention largely simplifies the structure of existing power assembly of electric automobile,
Reduce procedure of processing, save raw material, be easily installed and repair, reduce cost, reduce power assembly of electric automobile volume,
Space is saved, the arrangement space of bigger is reserved for on-vehicle battery, improves the dynamic property and economy of electric automobile.
Brief description of the drawings
Fig. 1 is the overall diagram of the present invention
Fig. 2 is the sectional view of the present invention
Fig. 3 is the outside drawing of intermediate supports set of the present invention
Fig. 4 is the sectional view of intermediate supports set of the present invention
Fig. 5 is the outside drawing of motor shaft of the present invention
Fig. 6 is the sectional view of axle shaft gear of the present invention
Embodiment
With reference to Fig. 1,2,3,4,5,6, the embodiment of invention is described in detail：A kind of electric automobile integral type
Power assembly, it is mainly made of motor 1, differential mechanism 2, intermediate support 3, differential mechanism 4.It is characterized in that：Motor stator
Magnet 1-4 is nested on motor housing 1-1, and rotor winding 1-5 is nested on motor shaft 2-1；Taper roll bearing 1-2,
Bearing spacing ring 1-3 is nested in the circular boss at motor housing 1-1 bottom centre, and motor shaft 2-1 left ends are nested at the same time
In taper roll bearing 1-2 and bearing spacing ring 1-3；Bearing spacing ring 3-1, taper roll bearing 3-2 are nested in middle branch
In circular boss at support set 3-3 bottom centre, motor shaft 2-1 right ends are nested in bearing spacing ring 3-1 and circular cone rolling at the same time
In sub- bearing 3-2；Intermediate supports set 3-3 is fixed with bolts on motor housing 1-1；Motor shaft 2-1 right ends are curved tooth
Bevel gear, motor shaft 2-1 right ends through intermediate supports set 3-3 on reserve motor hole, then with driven spiral bevel gear 2-2
Engagement；Taper roll bearing 3-4, taper roll bearing 3-7 are nested on intermediate supports set 3-3 right parts；Bearing cap 3-5
It is connected by screw bolts with intermediate supports set 3-3；Retarder driven spiral bevel gear 2-2 is fixed with bolts outside differential mechanism
On shell 4-3；Planetary gear 4-4 bottoms are directly contacted with planetary gear gasket 4-5, planetary gear 4-10 bottoms and planetary gear gasket
4-9 is directly contacted, and planet tooth gasket 4-5 and planet gear pad 4-9 are directly contacted with differential mechanism shell 4-3, and two groups of rows
Star gear is horizontally oriented；Axle shaft gear 4-1 bottoms are directly contacted with axle shaft gear gasket 4-2, axle shaft gear 4-11 bottoms
Directly contacted with axle shaft gear gasket 4-12, axle shaft gear gasket 4-2 and axle shaft gear gasket 4-12 with differential mechanism shell 4-2
Directly contact, and axle shaft gear 4-1 and axle shaft gear 4-11 are in vertical direction；Axle shaft gear 4-1 while and planetary gear
4-4 and planetary gear 4-10 engagements, axle shaft gear 4-11 are engaged with planetary gear 4-4 and planetary gear 4-10 at the same time；Planet tooth
Wheel shaft 4-6 is nested in differential mechanism shell 4-3, and planetary gear 4-4 and planetary gear 4-10 are nested in planetary gear shaft 4-6
On；Pin hole on planetary gear pin 4-8 and planetary gear shaft 4-6 uses pin connection；The axis of axle shaft gear 4-1 is nested in circular cone rolling
In sub- bearing 3-4, the axis of axle shaft gear 4-11 is nested in taper roll bearing 3-7.
Wherein, motor shaft 2-1 is both the shaft of motor 1 and the input shaft of retarder 2, and motor shaft 2-1 right ends are arc
Bevel gear, an axis is dual-purpose, saves raw material, reduces procedure of processing.
Wherein, hex bolts 1-6, hex nut 1-7 have four groups, and on motor housing 1-1 and intermediate supports set 3-3
There are four and above-mentioned supporting threaded hole, and this four threaded holes are uniformly distributed；With hex bolts 1-6, hex nut 1-7 is by electricity
Machine shell 1-1 and intermediate supports set 3-3 are connected as one, and improve the stability of this set assembly structure.
Wherein, the tapped through hole of 12 is evenly distributed with differential mechanism shell 4-3, this set assembly and vapour can be facilitated
Chinese herbaceous peony, rear axle connection.
Wherein, taper roll bearing 1-2, taper roll bearing 3-2 must reverse-fitting, the taper roll bearing on differential mechanism
3-4, taper roll bearing 3-7 must also use reverse-fitting, to offset the axial force of bearing.
Wherein, two bearings spacing ring 1-3 and 3-1 are installed, can prevent taper roll bearing 1-2 and 3-2 in the axial direction
Generation play, while play the role of bearing positioning.
Wherein, motor housing 1-1, intermediate supports set 3-3, differential mechanism shell 4-3 using casting, after the demoulding to outer surface into
Row grinding is handled, and can reduce surface roughness.
Wherein, planet gear pad 4-5 in differential mechanism, planet gear pad 4-9, axle shaft gear gasket 4-1, axle shaft gear
Gasket 4-2 is made of the good elastomeric material of wearability, prevents planetary gear 4-4, planetary gear 4-10, axle shaft gear 4-1,
Abrasion directly occurs for axle shaft gear 4-11 and differential mechanism shell 4-3, so as to extend 4 service life of differential mechanism.
Wherein, axle shaft gear 4-1, axle shaft gear 4-11 have internal spline at center, can be in order to half axis connection with automobile.
Wherein, eight tapped through holes are evenly distributed with differential mechanism shell 4-3, can in order to this set assembly and automobile
Forward and backward bridging connects.
Claims (7)
- A kind of 1. electric automobile integral type power assembly, it is characterised in that：A kind of electric automobile integral type power assembly bag Include motor (1), retarder (2), intermediate support (3), differential mechanism (4)；The motor (1) and intermediate support (3), institute Retarder (2) and differential mechanism (4) are stated, the intermediate support (3) is connected by screw bolts with differential mechanism (4).
- A kind of 2. electric automobile integral type power assembly according to claim 1, it is characterised in that：The motor (1) motor housing (1-1), taper roll bearing (1-2), bearing spacing ring (1-3), motor stator magnet (1-4), motor are included Rotor windings (1-5), hex bolts (1-6), hex nut (1-7)；Motor stator magnet (1-4) is nested in motor housing (1- 1) on inner wall；Taper roll bearing (1-2), bearing spacing ring (1-3) are nested in the annulus at motor housing (1-1) bottom centre In shape boss；Motor shaft (2-1) left end is nested in taper roll bearing (1-2) and bearing spacing ring (1-3) at the same time；Motor turns Sub- winding (1-5) is nested on motor shaft (2-1)；Motor housing (1-1) is connected by screw bolts with intermediate supports set (3-3).
- A kind of 3. electric automobile integral type power assembly according to claim 1, it is characterised in that：The retarder (2) motor shaft (2-1), driven spiral bevel gear (2-2) are included；Motor shaft (2-1) right end is spiral bevel gear, motor shaft (2- 1) right end is engaged through motor axis hole reserved on intermediate supports set (3-3) with driven spiral bevel gear (2-2).
- A kind of 4. electric automobile integral type power assembly according to claim 1, it is characterised in that：The intermediate supports Body (3) includes bearing spacing ring (3-1), taper roll bearing (3-2), intermediate supports set (3-3), taper roll bearing (3-4), Bearing cap (3-5), hex bolts (3-6), taper roll bearing (3-7)；Bearing spacing ring (3-1), taper roll bearing (3-2) It is nested in the circular boss at intermediate supports set (3-3) bottom centre；Taper roll bearing (3-4) and taper roll bearing (3-7) is respectively nested on intermediate supports set (3-3) in the groove at both ends；Bearing cap (3-5) is used with intermediate supports set (3-3) It is bolted.
- A kind of 5. electric automobile integral type power assembly according to claim 1, it is characterised in that：The differential mechanism (4) axle shaft gear (4-1), axle shaft gear gasket (4-2), differential mechanism shell (4-3), planetary gear (4-4), planetary gear are included Gasket (4-5), planetary gear shaft (4-6), hex bolts (4-7), planetary gear pin (4-8), planetary gear gasket (4-9), OK Star gear (4-10), axle shaft gear (4-11), axle shaft gear gasket (4-12)；Retarder driven spiral bevel gear (2-2) with it is poor Fast device shell (4-3) is connected by screw bolts；Planetary gear (4-4) bottom is directly contacted with planet gear pad (4-5), planet tooth Wheel (4-10) bottom is directly contacted with planet gear pad (4-9), planet gear pad (4-5) and planet gear pad (4-9) All directly contacted with differential mechanism shell (4-3), and planetary gear (4-4) and planetary gear (4-10) are horizontally oriented；Semiaxis Gear (4-1) bottom is directly contacted with axle shaft gear gasket (4-2), axle shaft gear (4-11) bottom and axle shaft gear gasket (4- 12) directly contacting, axle shaft gear gasket (4-2) and axle shaft gear gasket (4-12) are directly contacted with differential mechanism shell (4-3), and Axle shaft gear (4-1) and axle shaft gear (4-11) are in vertical direction；Axle shaft gear (4-1) at the same with planetary gear (4-4) and Planetary gear (4-10) engages, and axle shaft gear (4-11) while is engaged with planetary gear (4-4) and planetary gear (4-10)；OK Star gear shaft (4-6) is nested in differential mechanism shell (4-3), and planetary gear (4-4) and planetary gear 4-10 are nested in planet On gear shaft (4-6)；Planetary gear pin (4-8) forms pin connection with the pin hole in planetary gear shaft (4-6)；Axle shaft gear (4- 1) axis is nested in taper roll bearing (3-4), and the axis of axle shaft gear (4-11) is nested in taper roll bearing (3-7)； There is internal spline at axle shaft gear (4-1) and axle shaft gear (4-11) center, be connected easy to this set assembly with automobile axle shaft.
- A kind of 6. electric automobile integral type power assembly according to claim 1, it is characterised in that:Planet gear pad (4-5) and planet gear pad (4-9) are respectively at high order end and low order end in differential mechanism (4)；Axle shaft gear gasket (4-2) The top and bottom in differential mechanism (4) are respectively at axle shaft gear gasket (4-12).
- 7. power assembly of electric automobile according to claim 1, it is characterised in that：Intermediate supports set (3-3) and bearing cap There are semi-circular recesses on (3-5), both, which are bolted, forms a circular groove, taper roll bearing (3-4), circular cone rolling Sub- bearing (3-7) is nested in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711363198.XA CN108001217A (en) | 2017-12-18 | 2017-12-18 | A kind of electric automobile integral type power assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711363198.XA CN108001217A (en) | 2017-12-18 | 2017-12-18 | A kind of electric automobile integral type power assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108001217A true CN108001217A (en) | 2018-05-08 |
Family
ID=62059782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711363198.XA Pending CN108001217A (en) | 2017-12-18 | 2017-12-18 | A kind of electric automobile integral type power assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108001217A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203962899U (en) * | 2014-06-29 | 2014-11-26 | 洛阳市博马农业工程机械有限公司 | A kind of 30-40 horsepower wheeled tractor satellite differential device |
| WO2016203975A1 (en) * | 2015-06-19 | 2016-12-22 | Ntn株式会社 | Structure for supporting drive shaft |
| CN106379164A (en) * | 2016-10-19 | 2017-02-08 | 长春工业大学 | Driving rear axle of mini electric vehicle |
| CN206067493U (en) * | 2016-09-23 | 2017-04-05 | 辽宁曙光汽车集团股份有限公司 | Strength support type electric drive decelerator |
| CN106564364A (en) * | 2016-10-19 | 2017-04-19 | 长春工业大学 | Drive rear axle of electric vehicle |
| CN107128171A (en) * | 2017-05-24 | 2017-09-05 | 谷林波 | A kind of new-energy automobile power assembly |
| CN207565329U (en) * | 2017-12-18 | 2018-07-03 | 长春工业大学 | A kind of electric vehicle integral type power assembly |
-
2017
- 2017-12-18 CN CN201711363198.XA patent/CN108001217A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203962899U (en) * | 2014-06-29 | 2014-11-26 | 洛阳市博马农业工程机械有限公司 | A kind of 30-40 horsepower wheeled tractor satellite differential device |
| WO2016203975A1 (en) * | 2015-06-19 | 2016-12-22 | Ntn株式会社 | Structure for supporting drive shaft |
| CN206067493U (en) * | 2016-09-23 | 2017-04-05 | 辽宁曙光汽车集团股份有限公司 | Strength support type electric drive decelerator |
| CN106379164A (en) * | 2016-10-19 | 2017-02-08 | 长春工业大学 | Driving rear axle of mini electric vehicle |
| CN106564364A (en) * | 2016-10-19 | 2017-04-19 | 长春工业大学 | Drive rear axle of electric vehicle |
| CN107128171A (en) * | 2017-05-24 | 2017-09-05 | 谷林波 | A kind of new-energy automobile power assembly |
| CN207565329U (en) * | 2017-12-18 | 2018-07-03 | 长春工业大学 | A kind of electric vehicle integral type power assembly |
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Application publication date: 20180508 |
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