CN109229079A - A kind of electric motor car driving bridge of band brake parking - Google Patents
A kind of electric motor car driving bridge of band brake parking Download PDFInfo
- Publication number
- CN109229079A CN109229079A CN201811062274.8A CN201811062274A CN109229079A CN 109229079 A CN109229079 A CN 109229079A CN 201811062274 A CN201811062274 A CN 201811062274A CN 109229079 A CN109229079 A CN 109229079A
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- China
- Prior art keywords
- brake
- driving
- rubber block
- bridge
- reduction gearbox
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Classifications
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- 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
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/062—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels acting on transmission parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/121—Power-transmission from drive shaft to hub
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/14—Torque-transmitting axles composite or split, e.g. half- axles; Couplings between axle parts or sections
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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
- B60K1/00—Arrangement or mounting of electrical propulsion units
-
- 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of electric motor car driving bridges of band brake parking, including driving bridge bracket, driving motor, brake gear, reduction gearbox and axletree, brake gear includes brake and brake assemblies, and brake is located at the motor the tip of the axis of driving motor, and brake is connect with brake assemblies；Electric motor car driving bridge of the invention is applied on electric vehicle, when electric vehicle needs to brake, brake brakes the motor shaft of driving motor, axletree is set to slow down by reduction gearbox again, complete the braking of vehicle, in electric vehicle parking, brake directly brakes the motor shaft of driving motor, electric vehicle is set to have the function of maintaining parking in the case where not using, avoid electric vehicle that also there is a possibility that mobile in the case where not using, brake of the invention uses drum brake, the brake force of drum brake is larger, can directly to driving motor motor shaft braking, and it is not easy to loosen after braking, high reliablity.
Description
Technical field
The present invention relates to brake of electric vehicle technical field more particularly to a kind of electric motor car driving bridges of band brake parking.
Background technique
Existing electric vehicle brake mode is mounted on disk brake on the tire on electric vehicle both sides, by both sides
The braking of tire, makes vehicle stop, if such mode is used for a long time to brake of electric vehicle and parking, disk brake is easy to appear
Oil leak leads to brake failure, and traffic accident is be easy to cause to threaten the safety of driver.
Summary of the invention
It is an object of the invention to propose it is a kind of brake and parking stablize, avoid the occurrence of brake failure electric vehicle driving
Bridge.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of electric motor car driving bridge of band brake parking, including driving bridge bracket, driving motor, brake gear, reduction gearbox and
Axletree；
The driving motor is located on the driving bridge bracket, and the motor shaft of the driving motor runs through the reduction gearbox simultaneously
It is sequentially connected with the input terminal of the reduction gearbox；
The brake gear is located on the driving bridge bracket, and the brake gear includes brake and the brake group
Part, the brake are located at the motor the tip of the axis of the driving motor, and the brake is connect with the brake assemblies, described
Brake is drum brake；
The axletree passes through bearing and the drive axle support assorted, the output end of the axletree and the reduction gearbox
Transmission cooperation.
Electric motor car driving bridge of the invention is applied on electric vehicle, wherein driving motor and reduction gearbox and brake gear pass
Dynamic connection, so that axletree be driven to rotate, provides power for electric vehicle, and when electric vehicle normally travel, driving motor is by subtracting
Fast case drives axletree, realizes the normally travel of electric vehicle；This programme is arranged in the motor the tip of the axis of driving motor of electric vehicle
Brake, when electric vehicle needs to brake, brake brakes the motor shaft of driving motor, then makes axletree by reduction gearbox
Slow down, complete the braking of vehicle, in electric vehicle parking, brake directly brakes the motor shaft of driving motor, makes electric vehicle
Axletree be not able to rotate, make electric vehicle have the function of in the case where not using maintain parking, avoid electric vehicle from not making
Also there is a possibility that mobile in the case where, be in bring hidden danger in non-brake situation so as to avoid electric vehicle, due to
The mode of braking of existing electric motor car driving bridge is braked using both ends of the disk brake to axletree mostly, due to disc type system
Dynamic device is easy to happen oil leakage phenomenon in long-term immobilization, leads to brake failure, therefore brake of the invention uses drum brake
The brake force of device, drum brake is larger, can directly to driving motor motor shaft braking, and brake after be not easy to loosen, reliably
Property it is high.
Preferably, the brake includes brake hubs, two pieces of brake rubber blocks, brake driving lever and brake rubber block pedestal；
The motor shaft of the brake hubs and the driving motor is keyed；
The brake driving lever and the brake rubber block pedestal are hinged, and two pieces of brake rubber blocks are symmetrically arranged at the brake rubber block pedestal
On, the brake driving lever is located between two pieces of brake rubber blocks, and the brake hubs are located at the side of the brake rubber block pedestal, described
It offsets on the outside of the inside of brake hubs and the brake rubber block, the lower end of the brake rubber block and the brake rubber block pedestal are hinged.
Brake driving lever is L shape rod piece, and the turning end for the driving lever that brakes runs through brake rubber block pedestal, and reaches brake rubber block pedestal
Front side, the section of the turning end for the driving lever that brakes are rectangle, two long sides of rectangle and are offseted respectively with two pieces of brake rubber blocks, brake hubs and
The motor shaft of driving motor is keyed, i.e., brake hubs are rotated with the motor shaft of driving motor, and brake rubber block pedestal is located at brake hubs
Bottom, braking or when parking, the turning end for the driving lever that brakes rotates by a certain angle, make two short sides of rectangle respectively with two pieces of brake rubber blocks
It offsets, opens two pieces of brake rubber blocks, hold tightly on the inside of brake hubs, to generate brake force, turn the motor shaft of driving motor no longer
It is dynamic, realize braking or parking to vehicle.
Preferably, the brake assemblies include brake tension spring, brake cable and brake cable ear, and the brake driving lever passes through described
Brake tension spring is connect with the brake rubber block pedestal, and the swinging end of the brake cable ear and the brake driving lever is hinged, the brake
Line is connect with the brake cable ear.
Brake cable ear is used for the braking of control brake for fixing brake cable, brake cable, is connected and is braked by brake cable
Skin pedestal realizes the control to brake, and the swinging end for the driving lever that brakes is connect by the tension spring that brakes with brake rubber block pedestal, when electronic
When vehicle is braked, brake cable pulls brake cable ear, makes driving lever swing of braking, and stretches brake tension spring, and the turning end for the driving lever that brakes turns
It is dynamic, so that opening two pieces of brake rubber blocks holds brake hubs tightly.
Preferably, the brake further includes two circlips, and two circlips are set in the motor of the driving motor
The tip of the axis, the brake hubs are located between two circlips.
Fixed on driving motor motor shaft to brake hubs by circlip, limitation brake hubs can not be in driving motor motor shaft
Axial movement, keep the braking of brake more stable, extend the service life of the motor shaft of driving motor.
Preferably, the brake gear further includes oil sealing, and the oil sealing is located between the brake and the retarder.
Oil sealing is set between brake and retarder, avoids the lubricating oil on retarder from penetrating into brake, avoids
Brake failure extends the service life of brake.
Preferably, the brake further include reduction tension spring, it is described reduction tension spring both ends respectively with brake described in two pieces
Railway carriage connects one by one.
It is equipped with reduction tension spring between two pieces of brake rubber blocks, when releasing brake, restores tension spring under elastic reaction for two sides
Brake rubber block is tensed toward middle part, and brake rubber block is made to revert to original position.
Preferably, the brake assemblies further include pin shaft, and the pin shaft runs through the brake cable ear and the brake rubber block bottom
Seat, the brake cable ear are rotatablely connected with the brake rubber block pedestal by the pin shaft.
It equipped with pin shaft through brake cable ear and brake rubber block pedestal, relatively rotate brake cable ear can with brake rubber block pedestal, when
When brake of electric vehicle, since brake rubber block pedestal and brake driving lever relatively rotate, pin shaft is equipped with convenient for brake cable adjustment brake
Line ear keeps braking process more stable the stress point of brake rubber block pedestal.
Preferably, the brake assemblies further include split pin, and the split pin is connect with the pin shaft, and the split pin is set
In the outside of the brake cable ear.
Equipped with split pin for fixing brake cable ear and pivot pin, pivot pin is avoided to fall.
Preferably, the axletree includes two wheel semiaxis that reduction gearbox or so is arranged in, two wheel semiaxis
One end be driven and cooperate with the output end of the reduction gearbox, the other ends of two wheel semiaxis is equipped with tire.
Reduction gearbox is located on driving bridge bracket, is controlled the two wheel semiaxis in left and right by reduction gearbox, is realized whole to electric vehicle
The traveling of vehicle and the transmission of braking.
Preferably, the driving bridge bracket includes half bridge bracket, and half bridge bracket is equipped with 2, is separately positioned on institute
The left and right sides of reduction gearbox is stated, half bridge bracket is hollow structure, and the wheel semiaxis and half bridge bracket pass through bearing
Cooperation, flanged joint of two half bridge brackets with the reduction gearbox.
Bridge bracket is driven to be used for fixing vehicle wheel axis, since axletree is made of the two wheel semiaxis in left and right, and reduction gearbox is set
Between two wheel semiaxis, therefore, driving bridge bracket is also classified into two and half bridge brackets of left and right, and every half bridge bracket fixes one
Wheel semiaxis, and with reduction gearbox flanged joint, realize fixation to reduction gearbox and axletree.
The invention has the benefit that electric motor car driving bridge of the invention is applied on electric vehicle, wherein driving motor with
Reduction gearbox and brake gear transmission connection, so that axletree be driven to rotate, provide power for electric vehicle, when electric vehicle normally travel
When, driving motor drives axletree by reduction gearbox, realizes the normally travel of electric vehicle；This programme is in driving motor of electric vehicle
Motor the tip of the axis is provided with brake, and when electric vehicle needs to brake, brake brakes the motor shaft of driving motor, then leads to
Crossing reduction gearbox makes axletree slow down, and completes the braking of vehicle, and in electric vehicle parking, brake is directly to the motor of driving motor
Axis braking, is able to rotate the axletree of electric vehicle not, makes electric vehicle have the function of maintaining parking in the case where not using, keeps away
Exempting from electric vehicle also has a possibility that mobile in the case where not using, and is in band in non-brake situation so as to avoid electric vehicle
The hidden danger come, since the mode of braking of existing electric motor car driving bridge is the both ends system using disk brake to axletree mostly
It is dynamic, since disk brake is easy to happen oil leakage phenomenon in long-term immobilization, lead to brake failure, therefore brake of the invention
Using drum brake, the brake force of drum brake is larger, can directly to driving motor motor shaft braking, and brake after not
It easily loosens, high reliablity.
Detailed description of the invention
The present invention will be further described for attached drawing, but the content in attached drawing does not constitute any limitation of the invention.
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the sectional view of part-connection location of the invention；
Fig. 3 is the connection sectional view of the driving motor Yu the brake；
Fig. 4 is the three dimensional sectional view of the brake gear.
Wherein: driving bridge bracket 1, driving motor 2, brake gear 3, brake 31, brake hubs 311, is stopped half bridge bracket 11
Railway carriage 312, brake rubber block pedestal 313, circlip 314, brake assemblies 32, brake driving lever 321, brake tension spring 322, reduction tension spring 315,
Brake cable 323, brake cable ear 324, pin shaft 325, split pin 326, oil sealing 33, reduction gearbox 4, axletree 5, wheel semiaxis 51；
Specific embodiment
With reference to the accompanying drawing 1~4 and pass through specific embodiment to further illustrate the technical scheme of the present invention.
A kind of electric motor car driving bridge of band brake parking of the present embodiment, including driving bridge bracket 1, driving motor 2, brake dress
Set 3, reduction gearbox 4 and axletree 5；
The driving motor 2 is located on the driving bridge bracket 1, and the motor shaft of the driving motor 2 runs through the deceleration
Case 4 is simultaneously sequentially connected with the input terminal of the reduction gearbox 4；
The brake gear 3 is located on the driving bridge bracket 1, and the brake gear 3 includes brake 31 and the brake
Vehicle component 32, the brake 31 are located at the motor the tip of the axis of the driving motor 2, the brake 31 and the brake group
Part 32 connects, and the brake 31 is drum brake；
The axletree 5 is cooperated by bearing and the driving bridge bracket 1, and the axletree 5 is defeated with the reduction gearbox 4
Outlet transmission cooperation.
Electric motor car driving bridge of the invention is applied on electric vehicle, wherein driving motor 2 and reduction gearbox 4 and brake gear 3
Transmission connection provides power so that axletree 5 be driven to rotate for electric vehicle, and when electric vehicle normally travel, driving motor 2 is logical
It crosses reduction gearbox 4 and drives axletree 5, realize the normally travel of electric vehicle；The brake 31 of the prior art is generally located on axletree
Both ends, this programme driving motor of electric vehicle 2 motor the tip of the axis be provided with brake 31, when electric vehicle needs to brake
When, brake 31 brakes the motor shaft of driving motor 2, then so that axletree 5 is slowed down by reduction gearbox 4, the braking of vehicle is completed,
In electric vehicle parking, brake directly brakes the motor shaft of driving motor 2, is able to rotate the axletree 5 of electric vehicle not, makes
Electric vehicle has the function of maintaining parking in the case where not using, avoids electric vehicle from also having in the case where not using and move
A possibility that, it is in bring hidden danger in non-brake situation so as to avoid electric vehicle, due to existing electric motor car driving bridge
Mode of braking is braked using both ends of the disk brake to axletree 5 mostly, since disk brake holds in long-term immobilization
Oil leakage phenomenon easily occurs, leads to brake failure, therefore brake 31 of the invention uses drum brake, the system of drum brake
Power is larger, can directly to driving motor 2 motor shaft braking, and brake after be not easy to loosen, high reliablity.
The brake 31 includes 311, two pieces of brake rubber blocks 312 of brake hubs, brake driving lever 321 and brake rubber block pedestal 313；
The brake hubs 311 and the motor shaft of the driving motor 2 are keyed；
The brake driving lever 321 and the brake rubber block pedestal 313 are hinged, and two pieces of brake rubber blocks 312 are symmetrically arranged at described
On brake rubber block pedestal 131, the brake driving lever 321 is located between two pieces of brake rubber blocks 312, and the brake hubs 311 are located at institute
The side of brake rubber block pedestal 313 is stated, the inside of the brake hubs 311 and the outside of the brake rubber block 312 offset, the brake rubber block
Lower end and the brake rubber block pedestal 313 it is hinged.
Brake driving lever 321 is L shape rod piece, and the turning end of brake driving lever 321 runs through brake rubber block pedestal 313, and reaches brake
The front side of railway carriage pedestal 313, brake driving lever 321 turning end section be rectangle, two long sides of rectangle with respectively with two pieces stop
Railway carriage 312 offsets, and the motor shaft of brake hubs 311 and driving motor 2 is keyed, i.e., brake hubs 311 with driving motor 2 motor shaft
Rotation, brake rubber block pedestal 313 are located at the bottom of brake hubs 311, when braking or parking, the turning end rotation one of brake driving lever 321
Determine angle, two short sides of rectangle is made to offset respectively with two pieces of brake rubber blocks 312, open two pieces of brake rubber blocks 312, holds brake hubs tightly
311 insides, to generate brake force, no longer rotate the motor shaft of driving motor 2, realize braking or parking to vehicle.
The brake assemblies 32 include brake tension spring 322, brake cable 323 and brake cable ear 324, the brake driving lever 321
It is connect by the brake tension spring 322 with the brake rubber block pedestal 313, the brake cable ear 324 and the brake driving lever 321
Swinging end is hinged, and the brake cable 323 is connect with the brake cable ear 324.
Brake cable ear 324 is used for the braking of control brake 31, passes through brake for fixing brake cable 323, brake cable 323
Line 323 connects control of the realization of brake rubber block pedestal 313 to brake 31, and the swinging end of brake driving lever 321 passes through brake tension spring 322
It is connect with brake rubber block pedestal 313, when brake of electric vehicle, brake cable 323 pulls brake cable ear 324, makes the pendulum of driving lever 324 that brakes
It is dynamic, stretch brake tension spring 322, the turning end rotation of brake driving lever 321, so that two pieces of brake rubber blocks 312 be made to open holding brake
Hub 311.
The brake 31 further includes two circlips 314, and two circlips 314 are set in the electricity of the driving motor 2
Machine the tip of the axis, the brake hubs 311 are located between two circlips 314.
Fixed on 2 motor shaft of driving motor to brake hubs 311 by circlip 314, limitation brake hubs 311 can not drive
The axial movement of 2 motor shaft of motor, keeps the braking of brake 31 more stable, extends the service life of the motor shaft of driving motor 2.
The brake gear 3 further includes oil sealing 33, and the oil sealing is located between the brake 31 and the retarder 4.
Oil sealing 33 is set between brake 31 and retarder 4, the lubricating oil on retarder 4 is avoided to penetrate into brake 31
In, brake failure is avoided, the service life of brake 31 is extended.
The brake 31 further include reduction tension spring 315, it is described reduction tension spring 315 both ends respectively with brake described in two pieces
Railway carriage 312 connects one by one.
It is equipped with reduction tension spring 315 between two pieces of brake rubber blocks 312, when releasing brake, restores tension spring 315 under elastic reaction
The brake rubber block 312 of two sides is tensed toward middle part, brake rubber block 312 is made to revert to original position.
The brake assemblies 32 further include pin shaft 325, and the pin shaft 325 runs through the brake cable ear 324 and the brake
Skin pedestal 313, the brake cable ear 324 are rotatablely connected with the brake rubber block pedestal 313 by the pin shaft 325.
Equipped with pin shaft 325 through brake cable ear 324 and brake rubber block pedestal 313, make brake cable ear 324 can be with brake rubber block pedestal
313 relatively rotate, and when brake of electric vehicle, since brake rubber block pedestal 313 and brake driving lever 321 relatively rotate, are equipped with pin
Axis 325 adjusts brake cable ear 324 to the stress point of brake rubber block pedestal 313 convenient for brake cable 323, keeps braking process more stable.
The brake assemblies 32 further include split pin 326, and the split pin 326 is connect with the pin shaft 325, the opening
Pin 326 is located at the outside of the brake cable ear 324.
Equipped with split pin 326 for fixing brake cable ear 324 and pivot pin 325, pivot pin 325 is avoided to fall.
The axletree 5 includes that two wheel semiaxis 51 of reduction gearbox 4 or so are arranged in, two wheel semiaxis 51
One end, which is driven with the output end of the reduction gearbox 4, to be cooperated, and the other end of two wheel semiaxis 51 is equipped with tire 52.
Reduction gearbox 4 is located on driving bridge bracket 1, is controlled the two wheel semiaxis 51 in left and right by reduction gearbox 4, is realized to electronic
The traveling of vehicle vehicle and the transmission of braking.
The driving bridge bracket 1 includes half bridge bracket 11, and half bridge bracket 11 is equipped with 2, is separately positioned on described
The left and right sides of reduction gearbox 4, half bridge bracket 11 are hollow structure, and the wheel semiaxis 51 passes through with half bridge bracket 11
Bearing fit, flanged joint of two half bridge brackets 11 with the reduction gearbox 4.
It drives bridge bracket 1 to be used for fixing vehicle wheel axis 5, since axletree 5 is made of the two wheel semiaxis 51 in left and right, and slows down
Case 4 is located between two wheel semiaxis 51, and therefore, driving bridge bracket 1 is also classified into two and half bridge brackets 11 of left and right, every half-bridge branch
Frame 11 fixes a wheel semiaxis 51, and with 4 flanged joint of reduction gearbox, realize the fixation to reduction gearbox 4 and axletree 5.
The technical principle of the invention is described above in combination with a specific embodiment.These descriptions are intended merely to explain of the invention
Principle, and shall not be construed in any way as a limitation of the scope of protection of the invention.Based on the explanation herein, the technology of this field
Personnel can associate with other specific embodiments of the invention without creative labor, these modes are fallen within
Within protection scope of the present invention.
Claims (10)
1. a kind of electric motor car driving bridge of band brake parking, which is characterized in that including driving bridge bracket, driving motor, brake gear,
Reduction gearbox and axletree；
The driving motor is located on the driving bridge bracket, the motor shaft of the driving motor through the reduction gearbox and with institute
State the input terminal transmission connection of reduction gearbox；
The brake gear is located on the driving bridge bracket, and the brake gear includes brake and the brake assemblies, institute
The motor the tip of the axis that brake is located at the driving motor is stated, the brake is connect with the brake assemblies, the braking
Device is drum brake；
The axletree passes through bearing and the drive axle support assorted, the output end transmission of the axletree and the reduction gearbox
Cooperation.
2. a kind of electric motor car driving bridge of band brake parking according to claim 1, which is characterized in that the brake includes
Brake hubs, two pieces of brake rubber blocks, brake driving lever and brake rubber block pedestal；
The motor shaft of the brake hubs and the driving motor is keyed；
The brake driving lever and the brake rubber block pedestal are hinged, and two pieces of brake rubber blocks are symmetrically arranged on the brake rubber block pedestal,
The brake driving lever is located between two pieces of brake rubber blocks, and the brake hubs are located at the side of the brake rubber block pedestal, the brake
It offsets on the outside of the inside of nave boss and the brake rubber block, the lower end of the brake rubber block and the brake rubber block pedestal are hinged.
3. a kind of electric motor car driving bridge of band brake parking according to claim 2, which is characterized in that the brake assemblies packet
Brake tension spring, brake cable and brake cable ear are included, the brake driving lever is connect by the brake tension spring with the brake rubber block pedestal,
The swinging end of the brake cable ear and the brake driving lever is hinged, and the brake cable is connect with the brake cable ear.
4. a kind of electric motor car driving bridge of band brake parking according to claim 2, which is characterized in that the brake also wraps
Two circlips are included, two circlips are set in the motor the tip of the axis of the driving motor, and the brake hubs are located at two institutes
It states between circlip.
5. a kind of electric motor car driving bridge of band brake parking according to claim 2, which is characterized in that the brake gear is also
Including oil sealing, the oil sealing is located between the brake and the retarder.
6. a kind of electric motor car driving bridge of band brake parking according to claim 5, which is characterized in that the brake also wraps
Reduction tension spring is included, the both ends of the reduction tension spring are connect with brake rubber block described in two pieces one by one respectively.
7. a kind of electric motor car driving bridge of band brake parking according to claim 6, which is characterized in that the brake assemblies are also
Including pin shaft, the pin shaft runs through the brake cable ear and the brake rubber block pedestal, the brake cable ear and the brake rubber block bottom
Seat is rotatablely connected by the pin shaft.
8. a kind of electric motor car driving bridge of band brake parking according to claim 7, which is characterized in that the brake assemblies are also
Including split pin, the split pin is connect with the pin shaft, and the split pin is located at the outside of the brake cable ear.
9. a kind of electric motor car driving bridge of band brake parking according to claim 1, which is characterized in that the axletree includes
Two wheel semiaxis of reduction gearbox or so are set, and one end of two wheel semiaxis is passed with the output end of the reduction gearbox
The other end of dynamic cooperation, two wheel semiaxis is equipped with tire.
10. a kind of electric motor car driving bridge of band brake parking according to claim 9, which is characterized in that the drive axle branch
Frame includes half bridge bracket, and half bridge bracket is equipped with 2, is separately positioned on the left and right sides of the reduction gearbox, the half-bridge
Bracket is hollow structure, and the wheel semiaxis and half bridge bracket are by bearing fit, and two half bridge brackets are and institute
State the flanged joint of reduction gearbox.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811062274.8A CN109229079B (en) | 2018-09-12 | 2018-09-12 | Electric vehicle drive axle with brake and parking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811062274.8A CN109229079B (en) | 2018-09-12 | 2018-09-12 | Electric vehicle drive axle with brake and parking function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109229079A true CN109229079A (en) | 2019-01-18 |
| CN109229079B CN109229079B (en) | 2023-09-05 |
Family
ID=65067710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811062274.8A Active CN109229079B (en) | 2018-09-12 | 2018-09-12 | Electric vehicle drive axle with brake and parking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109229079B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020160718A1 (en) * | 2019-02-07 | 2020-08-13 | Schaeffler Technologies AG & Co. KG | Method for carrying out an emergency braking function of a vehicle |
| CN112677938A (en) * | 2021-01-18 | 2021-04-20 | 成都壹为新能源汽车有限公司 | Electric automobile electric drive axle parking arresting gear |
| CN114194038A (en) * | 2021-10-22 | 2022-03-18 | 深圳玛西尔电动车股份公司 | Storage battery arrangement and installation structure of golf course vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1143965A (en) * | 1979-04-19 | 1983-04-05 | Tomeaki Tama | Tractor having a parking brake |
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| CA1143965A (en) * | 1979-04-19 | 1983-04-05 | Tomeaki Tama | Tractor having a parking brake |
| CN2878147Y (en) * | 2006-03-20 | 2007-03-14 | 山东金大路车业有限公司 | Brake device for parking vehicle |
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| WO2020160718A1 (en) * | 2019-02-07 | 2020-08-13 | Schaeffler Technologies AG & Co. KG | Method for carrying out an emergency braking function of a vehicle |
| CN112677938A (en) * | 2021-01-18 | 2021-04-20 | 成都壹为新能源汽车有限公司 | Electric automobile electric drive axle parking arresting gear |
| CN114194038A (en) * | 2021-10-22 | 2022-03-18 | 深圳玛西尔电动车股份公司 | Storage battery arrangement and installation structure of golf course vehicle |
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| CN109229079B (en) | 2023-09-05 |
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