CN107465320A - Rotor edge position connects the axial direction electric machine of brake disc - Google Patents
Rotor edge position connects the axial direction electric machine of brake disc Download PDFInfo
- Publication number
- CN107465320A CN107465320A CN201710698933.6A CN201710698933A CN107465320A CN 107465320 A CN107465320 A CN 107465320A CN 201710698933 A CN201710698933 A CN 201710698933A CN 107465320 A CN107465320 A CN 107465320A
- Authority
- CN
- China
- Prior art keywords
- rotor
- stator
- wheel hub
- coupling spindle
- hub coupling
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/02—Machines with one stator and two or more rotors
-
- 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
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
A kind of axial direction electric machine of rotor edge position connection brake disc, including wheel hub coupling spindle, Rotor Assembly, field frame assembly, connector.The Rotor Assembly includes left rotor and right rotor, and field frame assembly includes stator.Rotor protrudes the outer rim of left rotor to the right, right rotor outer rim to the left rotor protrusion and and left rotor outer rim rotor to the right protruding parts fitting it is connected.Wheel hub coupling spindle and left rotor are coaxial and stretch in left rotor, the right side of plane where the right side of wheel hub coupling spindle is located at the root of right rotor protruding parts, the left end of wheel hub coupling spindle is located at outside the left surface of left rotor, and left end and the left rotor fitting of wheel hub coupling spindle are connected.Stator and connector are coaxially connected.Stator is provided with two rolling bearings in the space that left rotor, right rotor, connector and wheel hub coupling spindle surround between stator and wheel hub coupling spindle.The outer rim of the right side of right rotor is raised to the right, and the raised and brake disc is connected.
Description
Technical field
The present invention relates to Automobile drive part, and in particular to a kind of axial direction of hybrid-electric car or pure electric automobile
Motor.
Background technology
In recent years, as economic development, the progress of technology, the quantity that possesses of worldwide vehicle significantly rise, traffic is caused
Blocking pollution environment, and electric automobile is favored by people because of its energy-saving environment-friendly zero-emission at present.But at present pure electronic
Automobile is mostly to be placed into the motor of a relatively high power in original engine bin to substitute internal combustion engine, and follow-up machinery
Power train still has, and so, when the power of motor is delivered on driving wheel, just has substantial portion of energy
In power train, the energy for being really delivered to driving wheel only has 30% or so, therefore causes the walking mileage of electric automobile big for consumption
Amplitude is shunk.Understand that be arranged on the motor in rim advances to directly drive vehicle now with human hair, thus without machine
Tool is driven.But overall structure is still more complicated, the problem of integration degree is inadequate be present.
The content of the invention
The main inventive purpose of the present invention, is to provide one kind and is provided simultaneously with driving, slows down, brake, support function, and respectively
Part is integrated in wheel, compact-sized axial direction electric machine.
Technical scheme used in the present invention is：A kind of axial direction electric machine of rotor edge position connection brake disc, including wheel hub
Coupling spindle, Rotor Assembly, field frame assembly, connector.The Rotor Assembly includes left rotor and right rotor, and stator is total
Into including stator.The outer rim of left rotor to the right rotor protrude, right rotor outer rim to the left rotor protrusion and and left rotor outer rim to
The protruding parts fitting of right rotor is connected.Wheel hub coupling spindle and left rotor are coaxial and stretch in left rotor, the right side of wheel hub coupling spindle
The right side of plane, the left end of wheel hub coupling spindle are located at the left surface of left rotor where end face is located at the root of right rotor protruding parts
Outside, the left end of wheel hub coupling spindle and left rotor fitting are connected.Stator and connector are coaxially connected.Stator is located at left rotor, right-hand rotation
In the space that son, connector and wheel hub coupling spindle surround, two rolling bearings are provided between stator and wheel hub coupling spindle.Wheel hub joins
The left side of spindle is provided with the shaft shoulder, and the right-hand member of wheel hub coupling spindle is provided with screw thread and is connected with nut；It is provided between two rolling bearings
Bushing；The left side of the inner ring of one rolling bearing in the left side and shaft shoulder patch connect, and the left side patch of right side and bushing connects；The rolling of one, the right
The left side of the inner ring of bearing and the right side patch of bushing connect, and right side and nut patch connect.The outer rim of the right side of right rotor is raised to the right,
The raised and brake disc is connected.Cooling water channel is additionally provided with, the cooling water channel is by being located on stator and being located at connector
On two sections of diversion channels connection form.
Here, the diversion channel on shaft coupling further connects with the water cooling system on automobile.The present invention, axial dimension
Small, small volume, torque density, power density are big, rotor direct drive wheel hub, simple in construction, transmission efficiency, reduce automobile
Rotating torque and rotary inertia, improve the comfortableness and security of automobile.The addition of water-cooling system, be advantageous to raising system
Using effect and service life.Rotor case is pack alloy part, one-step die casting, reduces cutting, in light weight, effectively
Ground improves vehicle energy utilization rate, shortens the braking action time, improves braking performance of vehicle and traffic safety.The present invention is a kind of
Very outstanding patented technology.
, so can be with preferably, be provided with locked spacer between the right side of the inner ring of one rolling bearing in the right and nut
Reliably ensure that the inner ring of two rolling bearings will not left and right vibration.Protruded into addition, stator is provided between two bearing outer rings
Bulge loop, can so further determine that the stability of position of stator.
Preferably, end cover III is provided between the right side of stator and shaft coupling；The left and right ends face of end cover III
It is bonded respectively with the corresponding end-faces of stator and the corresponding end-faces of connector, and end cover III is provided with and forms cooling water channel one
The diversion channel divided；The cooling water channel phase that diversion channel on end cover III is connected with the cooling water channel on stator in portion and shaft coupling
Company is equipped with sealing ring between portion.This preferred scheme, it can effectively prevent cooling water between stator and the binding face of shaft coupling
Gap is oozed out, and is advantageous to using water wisely and improves usage safety performance.
Preferably, the inner ring of stator protrudes to the left, protuberance is fixed with end cover；The inner ring on the right side of stator is to the right
Left surface after protrusion with connector is bonded, and separator, stator are provided between the outer ring on the right side of corresponding stator and right rotor
Left surface and left rotor between be provided with the second separator, the internal diameter of the second separator and the internal diameter of separator are equal；Second every
Additional isolation part is provided between the inner ring of off member, wheel hub coupling spindle and end cover；Separator, the second separator and additional isolation
Part is provided with interconnected water channel, and set water channel connects with cooling water channel.End cover is located on the water channel of additional isolation part,
To prevent the seepage of cooling water.This preferred scheme, be advantageous to improve cooling effect, and then improve using effect.
Preferably, right rotor connects with connector gap, the right-hand member of joint gap is provided with end cover II.This preferred side
Case, rational in infrastructure, using effect is good.
In summary, the beneficial effects of the invention are as follows：Axial dimension is small, small volume, and torque density, power density are big, turns
Son direct drive wheel hub, simple in construction, transmission efficiency, reduces the rotating torque and rotary inertia of automobile, improves automobile
Comfortableness and security, vehicle energy utilization rate is high, and the braking action time is short, and braking performance of vehicle and traffic safety are high.
Brief description of the drawings
Fig. 1：The structural representation of the present invention；
In figure：Screw 1, end cover 2, bolt 3, wheel hub coupling spindle 4, left rotor 5, bushing 6, screw 7, stator 8, right rotor 9,
Projection 9.1, bolt 10, end cover II 11, bolt 12, connector 13, end cover III 14, sealing ring 15, rolling bearing 16,
Nut 17, locked spacer 18, cooling water channel 19, separator 20, additional isolation part 21.
Embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
As shown in figure 1, the present invention includes wheel hub coupling spindle 4, Rotor Assembly, field frame assembly, connector 13.The electricity
Machine rotor assembly includes left rotor 5 and right rotor 9, and field frame assembly includes stator 8；Rotor 9 protrudes the outer rim of left rotor 5 to the right,
The outer rim of right rotor 9 to the left simultaneously and after the outer rim protruding parts fitting of rotor 9 to the right of left rotor 5 using screw 7 consolidated by the protrusion of rotor 5
Even；Wheel hub coupling spindle 4 and left rotor 5 are coaxial and stretch in left rotor 5, and the right side of wheel hub coupling spindle 4 is located at right rotor 9 and protruded
The right side of plane, the left end of wheel hub coupling spindle 4 are located at outside the left surface of left rotor 5 where the root at position, wheel hub coupling spindle 4
Fitting not shown in the left surface and figure of left end, the left end and left rotor 5 of wheel hub coupling spindle 4 are bonded, wheel hub, wheel hub coupling spindle
4 left end and left rotor 5 is fixed together using bolt 3.Stator 8 and connector 13 are coaxially connected using bolt 12.Stator 8 is set
In the space that left rotor 5, right rotor 9, connector 13 and wheel hub coupling spindle 4 surround, set between stator 8 and wheel hub coupling spindle 4
There are two rolling bearings 16；The outer rim of the right side of right rotor 9 to the right projection 9.1, described raised 9.1 by screw 10 and figure
Unshowned brake disc is connected.Wherein, the left side of wheel hub coupling spindle 4 is provided with the shaft shoulder, and the right-hand member of wheel hub coupling spindle 4 is provided with screw thread simultaneously
It is connected with nut 17；Bushing 6 is provided between two rolling bearings 16.The left side of the inner ring of one rolling bearing 16 in the left side and the shaft shoulder
Patch connects, and the left side patch of right side and bushing 6 connects.The left side of the inner ring of one rolling bearing 16 in the right and the right side patch of bushing 6 connect, right
Side and the patch of nut 17 connect.Preferably, stop pad is provided between the right side of the inner ring of one rolling bearing 16 in the right and nut 17
Piece 18.In addition, stator 8 is provided with the bulge loop protruded between two outer rings of bearing 16.
Preferably, the present invention is additionally provided with cooling water channel 19, the cooling water channel 19 is by being located on stator 10 and being located at connection
The diversion channel connection connect on device 13 is formed.Further, end cover III 14 is provided between the right side of stator 8 and shaft coupling 13；
The left and right ends face of end cover III 14 is bonded with the corresponding end-faces of stator 8 and the corresponding end-faces of connector 13 respectively, and is sealed
End cap III 14 is provided with the diversion channel for forming the part of cooling water channel 19；On diversion channel and stator 8 on end cover III 14
Sealing ring 15 is equipped between the connected portion of cooling water channel in the connected portion of cooling water channel and shaft coupling 13.The specific knot of cooling water channel
Structure details, because being simple technique, it will not be described here.
Further preferably, the inner ring of stator 8 protrudes to the left, and protuberance screw 1 is fixed with end cover 2.Stator 8
The inner ring on right side is bonded after protruding to the right with end cover III 14, and end cover III 14 is bonded with the left surface of connector 13 again,
And then realize the right side of stator 8 and the left surface fitting of connector 13, the outer ring on the right side of corresponding stator 8 and right rotor 10 it
Between be provided with separator 20, be provided with the second separator between the left surface and left rotor 5 of stator 8, the internal diameter of the second separator and every
The internal diameter of off member 20 is equal；Additional isolation part 21 is provided between the inner ring of second separator, wheel hub coupling spindle 4 and end cover 2.
Separator 20, the second separator and additional isolation part 21 are provided with interconnected water channel, and the water channel connects with cooling water channel 19.
End cover 2 is located on the water channel of additional isolation part, to prevent the seepage of cooling water.Right rotor 9 connects with the gap of connector 13,
The right-hand member of joint gap is provided with end cover II 11.
The function of skidding of the present invention can be controlled by EPB, and brake caliper is connected by support with axletree, specific control program
And connection scheme, because being known technology, will not be described here.In addition, the rolling bearing can also replace with sliding bearing.
Specific embodiment described above is only the preferable embodiment of the present invention, and the tool of the present invention is not limited with this
Body implements structure and practical range.In fact, it can also be made according to shape of the present invention, structure and purpose of design
Equivalent change.Therefore, some equivalence changes made by all shapes in accordance with the present invention, structure and purpose of design ought to
It is all contained in protection scope of the present invention, namely these equivalence changes should all be protected by the present invention.
Claims (6)
1. a kind of axial direction electric machine of rotor edge position connection brake disc, including wheel hub coupling spindle（4）, Rotor Assembly, determine
Sub- assembly, connector（13）, it is characterized in that：The Rotor Assembly includes left rotor（5）And right rotor（9）, field frame assembly
Including stator（8）；Left rotor（5）Outer rim rotor to the right（9）Protrusion, right rotor（9）Outer rim rotor to the left（5）Protrude and and left
Rotor（5）Outer rim rotor to the right（9）Protruding parts fitting be connected；Wheel hub coupling spindle（4）And left rotor（5）Coaxially and stretch
Left rotor（5）It is interior, wheel hub coupling spindle（4）Right side be located at right rotor（9）The right side of plane where the root of protruding parts, wheel
Hub coupling spindle（4）Left end be located at left rotor（5）Left surface outside, wheel hub coupling spindle（4）Left end and left rotor（5）Fitting is solid
Even；Stator（8）And connector（13）It is coaxial to be connected；Stator（8）Located at left rotor（5）, right rotor（9）, connector（13）And wheel
Hub coupling spindle（4）In the space surrounded, stator（8）With wheel hub coupling spindle（4）Between be provided with two rolling bearings（16）；Wheel hub joins
Spindle（4）Left side be provided with the shaft shoulder, wheel hub coupling spindle（4）Right-hand member be provided with screw thread and be connected with nut（17）；Two axis of rolling
Hold（16）Between be provided with bushing（6）；One, left side rolling bearing（16）Inner ring left side and shaft shoulder patch connect, right side and bushing
（6）Left side patch connect；One, the right rolling bearing（16）Inner ring left side and bushing（6）Right side patch connect, right side and nut
（17）Patch connects；Right rotor（9）Right side outer rim it is raised to the right（9.1）, the projection（9.1）It is connected with brake disc；In addition
It is additionally provided with cooling water channel（19）, the cooling water channel（19）By being located at stator（8）Go up and be located at connector（13）On two sections points
Water channel connection is formed.
2. the axial direction electric machine of connection brake disc in rotor edge position according to claim 1, it is characterized in that：The rolling of one, the right
Dynamic bearing（16）Inner ring right side and nut（17）Between be provided with locked spacer（18）.
3. the axial direction electric machine of connection brake disc in rotor edge position according to claim 1, it is characterized in that：Stator（8）On
Provided with protruding into two bearings（16）Bulge loop between outer ring.
4. the axial direction electric machine of the rotor edge position connection brake disc according to claim 1-3, it is characterized in that：Stator（8）
Right side and shaft coupling（13）Between be provided with end cover III（14）；End cover III（14）Left and right ends face respectively with stator
（8）Corresponding end-faces and connector（13）Corresponding end-faces fitting, and end cover III（14）It is provided with and forms cooling water channel
（19）The diversion channel of a part；End cover III（14）On diversion channel and stator（8）On cooling water channel be connected portion and shaft coupling
Device（13）On cooling water channel be connected portion between be equipped with sealing ring（15）.
5. the axial direction electric machine of the rotor edge position connection brake disc according to claim 1-3, it is characterized in that：Stator（8）
Inner ring protrude to the left, protuberance is fixed with end cover（2）；Stator（8）Right side inner ring to the right projectedly and connector
（13）Corresponding left surface fitting, corresponding stator（8）Right side outer ring and right rotor（9）Between be provided with separator（20）,
Stator（8）Left surface and left rotor（5）Between be provided with the second separator, the internal diameter and separator of the second separator（20）It is interior
Footpath is equal；Inner ring, the wheel hub coupling spindle of second separator（4）And end cover（2）Between be provided with additional isolation part（21）；Isolation
Part（20）, the second separator and additional isolation part（21）It is provided with interconnected water channel, set water channel and cooling water channel（19）
Connection；End cover（2）It is located on the water channel of additional isolation part, to prevent the seepage of cooling water.
6. the axial direction electric machine of the rotor edge position connection brake disc according to claim 1-3, it is characterized in that：Right rotor
（9）And connector（13）Gap connects, and the right-hand member of joint gap is provided with end cover II（11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710698933.6A CN107465320B (en) | 2017-08-15 | 2017-08-15 | The axial direction electric machine of rotor edge position connection brake disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710698933.6A CN107465320B (en) | 2017-08-15 | 2017-08-15 | The axial direction electric machine of rotor edge position connection brake disc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107465320A true CN107465320A (en) | 2017-12-12 |
| CN107465320B CN107465320B (en) | 2019-03-08 |
Family
ID=60549200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710698933.6A Active CN107465320B (en) | 2017-08-15 | 2017-08-15 | The axial direction electric machine of rotor edge position connection brake disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107465320B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204559345U (en) * | 2015-03-31 | 2015-08-12 | 无锡新大力电机有限公司 | Adopt single stator and double-rotor desk permanent-magnet wheel hub motor of printed circuit winding |
| CN205407539U (en) * | 2016-02-24 | 2016-07-27 | 刘霄 | Water cooling motor |
| CN105896766A (en) * | 2016-04-19 | 2016-08-24 | 北京康城科技有限公司 | Stator liquid cooling structure for built-in disc type motor |
| CN107005122A (en) * | 2014-11-19 | 2017-08-01 | 日东电工株式会社 | Drive device, gas permeable member |
-
2017
- 2017-08-15 CN CN201710698933.6A patent/CN107465320B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107005122A (en) * | 2014-11-19 | 2017-08-01 | 日东电工株式会社 | Drive device, gas permeable member |
| CN204559345U (en) * | 2015-03-31 | 2015-08-12 | 无锡新大力电机有限公司 | Adopt single stator and double-rotor desk permanent-magnet wheel hub motor of printed circuit winding |
| CN205407539U (en) * | 2016-02-24 | 2016-07-27 | 刘霄 | Water cooling motor |
| CN105896766A (en) * | 2016-04-19 | 2016-08-24 | 北京康城科技有限公司 | Stator liquid cooling structure for built-in disc type motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107465320B (en) | 2019-03-08 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20191211 Address after: 311835 Central Road, Shaoxing, Zhuji, Zhejiang Province, No. 188 Patentee after: Zhejiang Wan'an Zhiqu Technology Co., Ltd Address before: 311835 Central Road, Shaoxing, Zhuji, Zhejiang Province, No. 188 Patentee before: Zhejiang VIE Science & Technology Co., Ltd. |
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Effective date of registration: 20201214 Address after: No. 188, Central Road, Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee after: ZHEJIANG VIE SCIENCE & TECHNOLOGY Co.,Ltd. Address before: No. 188, Central Road, Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee before: Zhejiang Wan'an Zhiqu Technology Co.,Ltd. |
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Denomination of invention: Axial motor connected with brake disc at the edge of rotor Effective date of registration: 20211222 Granted publication date: 20190308 Pledgee: Diankou sub branch of Zhejiang Zhuji Rural Commercial Bank Co., Ltd Pledgor: ZHEJIANG VIE SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2021980015560 |
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