CN109229079B - Electric vehicle drive axle with brake and parking function - Google Patents
Electric vehicle drive axle with brake and parking function Download PDFInfo
- Publication number
- CN109229079B CN109229079B CN201811062274.8A CN201811062274A CN109229079B CN 109229079 B CN109229079 B CN 109229079B CN 201811062274 A CN201811062274 A CN 201811062274A CN 109229079 B CN109229079 B CN 109229079B
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- Prior art keywords
- brake
- axle
- electric vehicle
- reduction gearbox
- wheel
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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
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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
- B60B35/14—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 an electric vehicle driving axle with a brake parking function, which comprises a driving axle bracket, a driving motor, a brake device, a reduction gearbox and a wheel shaft, wherein the brake device comprises a brake and a brake assembly; the electric vehicle driving axle is applied to an electric vehicle, when the electric vehicle is required to be braked, the brake brakes a motor shaft of a driving motor, and then a reduction gearbox is used for reducing the speed of a wheel shaft to finish braking of the whole vehicle.
Description
Technical Field
The invention relates to the technical field of electric vehicle braking, in particular to an electric vehicle drive axle with brake parking function.
Background
The existing electric vehicle braking mode is to install disc brakes on tires on two sides of the electric vehicle, stop the whole vehicle by braking the tires on two sides, and if the electric vehicle is braked and parked by using the mode for a long time, oil leakage easily occurs in the disc brakes, so that braking failure is caused, and traffic accidents easily threaten the safety of drivers.
Disclosure of Invention
The invention aims to provide an electric vehicle drive axle which is stable in braking and parking and can avoid brake failure.
To achieve the purpose, the invention adopts the following technical scheme:
an electric vehicle drive axle with brake parking comprises a drive axle bracket, a drive motor, a brake device, a reduction gearbox and a wheel shaft;
the driving motor is arranged on the driving axle bracket, and a motor shaft of the driving motor penetrates through the reduction gearbox and is in transmission connection with the input end of the reduction gearbox;
the brake device is arranged on the drive axle bracket and comprises a brake and a brake assembly, the brake is arranged at the tail end of a motor shaft of the drive motor and is connected with the brake assembly, and the brake is a drum brake;
the wheel shaft is matched with the drive axle bracket through a bearing, and the wheel shaft is in transmission fit with the output end of the reduction gearbox.
The electric vehicle driving axle is applied to an electric vehicle, wherein a driving motor is in transmission connection with a reduction gearbox and a brake device, so that a wheel shaft is driven to rotate, power is provided for the electric vehicle, and when the electric vehicle normally runs, the driving motor drives the wheel shaft through the reduction gearbox, so that the electric vehicle normally runs; according to the scheme, the brake is arranged at the tail end of the motor shaft of the driving motor of the electric vehicle, when the electric vehicle is required to be braked, the brake brakes the motor shaft of the driving motor, and then the wheel shaft is decelerated through the reduction gearbox to finish braking of the whole vehicle.
Preferably, the brake comprises a brake hub, two brake shoes, a brake deflector rod and a brake shoe base;
the brake hub is connected with a motor shaft key of the driving motor;
the brake deflector rod is hinged with the brake Pi De, two brake shoes are symmetrically arranged on the brake shoe base, the brake deflector rod is arranged between the two brake shoes, the brake hub is arranged on one side of the brake shoe base, the inner side of the brake hub is propped against the outer side of the brake shoe, and the lower end of the brake shoe is hinged with the brake shoe base.
The brake driving lever is an L-shaped rod piece, the rotating end of the brake driving lever penetrates through the brake pad base and extends out to the front side of the brake pad base, the section of the rotating end of the brake driving lever is rectangular, two long sides of the rectangle are respectively propped against two brake pads, the brake hub is connected with a motor shaft key of the driving motor, namely, the brake hub rotates along with a motor shaft of the driving motor, the brake pad base is arranged at the bottom of the brake hub, and when braking or parking is carried out, the rotating end of the brake driving lever rotates by a certain angle, so that two short sides of the rectangle are respectively propped against two brake pads, the two brake pads are unfolded and are clasped on the inner side of the brake hub, thereby generating braking force, and the motor shaft of the driving motor is not rotated any more, so that braking or parking of the whole vehicle is realized.
Preferably, the brake assembly comprises a brake tension spring, a brake cable and a brake cable lug, the brake deflector rod is connected with the brake pad base through the brake tension spring, the brake cable lug is hinged with the swinging end of the brake deflector rod, and the brake cable is connected with the brake cable lug.
The brake cable ear is used for fixing a brake cable, the brake cable is used for controlling braking of a brake, the brake cable is connected with the brake shoe base to control the brake, the swinging end of the brake deflector rod is connected with the brake shoe base through a brake tension spring, when the electric vehicle brakes, the brake cable pulls the brake cable ear to swing the brake deflector rod, the brake tension spring stretches, and the rotating end of the brake deflector rod rotates, so that two brake shoes are unfolded to hug a brake hub tightly.
Preferably, the brake further comprises two clamping springs, the two clamping springs are sleeved at the tail end of a motor shaft of the driving motor, and the brake hub is arranged between the two clamping springs.
The brake hub is fixed on the motor shaft of the driving motor through the clamp spring, so that the brake hub is limited from moving in the axial direction of the motor shaft of the driving motor, the brake of the brake is more stable, and the service life of the motor shaft of the driving motor is prolonged.
Preferably, the brake device further comprises an oil seal, and the oil seal is arranged between the brake and the speed reducer.
An oil seal is arranged between the brake and the speed reducer, so that lubricating oil on the speed reducer is prevented from penetrating into the brake, brake failure is avoided, and the service life of the brake is prolonged.
Preferably, the brake further comprises a restoring tension spring, and two ends of the restoring tension spring are respectively connected with the two brake shoes one by one.
A restoring tension spring is arranged between the two brake shoes, and when the brake is released, the restoring tension spring tightens the brake shoes at the two sides towards the middle under the elastic action, so that the brake shoes are restored to the original positions.
Preferably, the brake assembly further comprises a pin shaft, the pin shaft penetrates through the brake cable lug and the brake shoe base, and the brake cable lug is rotationally connected with the brake shoe base through the pin shaft.
The pin shaft penetrates through the brake cable lug and the brake shoe base, so that the brake cable lug can rotate relative to the brake shoe base, and when the electric vehicle brakes, the brake shoe base and the brake deflector rod rotate relative to each other, so that the pin shaft is arranged to facilitate the brake cable to adjust the stress point of the brake cable lug to the brake shoe base, and the braking process is smoother.
Preferably, the brake assembly further comprises a cotter pin, the cotter pin is connected with the pin shaft, and the cotter pin is arranged on the outer side of the brake wire lug.
The split pin is arranged for fixing the brake cable lug and the shaft pin, so that the shaft pin is prevented from falling off.
Preferably, the wheel axle comprises two wheel half shafts arranged at the left and right sides of the reduction gearbox, one ends of the two wheel half shafts are in transmission fit with the output end of the reduction gearbox, and tires are arranged at the other ends of the two wheel half shafts.
The reduction gearbox is arranged on the drive axle bracket, and the left and right wheel half shafts are controlled through the reduction gearbox, so that the running and braking transmission of the whole electric vehicle is realized.
Preferably, the drive axle support includes half-bridge support, the half-bridge support is equipped with 2, and it sets up respectively the left and right sides of reducing gear box, the half-bridge support is hollow structure, the wheel semi-axis with the half-bridge support passes through the bearing cooperation, two the half-bridge support all with the flange joint of reducing gear box.
The driving axle support is used for fixing the wheel axle, and because the wheel axle consists of a left wheel half axle and a right wheel half axle, and the reduction gearbox is arranged between the two wheel half axles, the driving axle support is also divided into a left half axle support and a right half axle support, each half axle support is fixedly provided with one wheel half axle and is in flange connection with the reduction gearbox, so that the reduction gearbox and the wheel axle are fixed.
The beneficial effects of the invention are as follows: the electric vehicle driving axle is applied to an electric vehicle, wherein a driving motor is in transmission connection with a reduction gearbox and a brake device, so that a wheel shaft is driven to rotate, power is provided for the electric vehicle, and when the electric vehicle normally runs, the driving motor drives the wheel shaft through the reduction gearbox, so that the electric vehicle normally runs; according to the scheme, the brake is arranged at the tail end of the motor shaft of the driving motor of the electric vehicle, when the electric vehicle is required to be braked, the brake brakes the motor shaft of the driving motor, and then the wheel shaft is decelerated through the reduction gearbox to finish braking of the whole vehicle.
Drawings
The present invention is further illustrated by the accompanying drawings, which are not to be construed as limiting the invention in any way.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of a portion of the connection location of the present invention;
FIG. 3 is a cross-sectional view of the connection of the drive motor to the brake;
fig. 4 is a three-dimensional cross-sectional view of the brake device.
Wherein: the brake device comprises a drive axle bracket 1, a half-axle bracket 11, a drive motor 2, a brake device 3, a brake 31, a brake hub 311, a brake shoe 312, a brake shoe base 313, a clamp spring 314, a brake assembly 32, a brake deflector 321, a brake tension spring 322, a restoring tension spring 315, a brake wire 323, a brake wire lug 324, a pin shaft 325, a cotter pin 326, an oil seal 33, a reduction gearbox 4, a wheel axle 5 and a wheel half axle 51;
Detailed Description
The technical scheme of the invention is further described below by referring to figures 1-4 and specific embodiments.
The electric vehicle driving axle with the brake parking function comprises a driving axle bracket 1, a driving motor 2, a brake device 3, a reduction gearbox 4 and a wheel shaft 5;
the driving motor 2 is arranged on the driving axle bracket 1, and a motor shaft of the driving motor 2 penetrates through the reduction gearbox 4 and is in transmission connection with the input end of the reduction gearbox 4;
the brake device 3 is arranged on the drive axle bracket 1, the brake device 3 comprises a brake 31 and a brake assembly 32, the brake 31 is arranged at the tail end of a motor shaft of the drive motor 2, the brake 31 is connected with the brake assembly 32, and the brake 31 is a drum brake;
the wheel shaft 5 is matched with the drive axle bracket 1 through a bearing, and the wheel shaft 5 is in transmission fit with the output end of the reduction gearbox 4.
The electric vehicle driving axle is applied to an electric vehicle, wherein a driving motor 2 is in transmission connection with a reduction gearbox 4 and a brake device 3, so that a wheel shaft 5 is driven to rotate, power is provided for the electric vehicle, and when the electric vehicle normally runs, the driving motor 2 drives the wheel shaft 5 through the reduction gearbox 4, so that the normal running of the electric vehicle is realized; the brake 31 in the prior art is generally arranged at two ends of a wheel shaft, the brake 31 is arranged at the tail end of the motor shaft of the driving motor 2 of the electric vehicle, when the electric vehicle needs to be braked, the brake 31 brakes the two ends of the wheel shaft 5 of the driving motor 2, and then the reduction gearbox 4 is used for decelerating the wheel shaft 5 to finish braking of the whole vehicle, when the electric vehicle is parked, the brake directly brakes the motor shaft of the driving motor 2, so that the wheel shaft 5 of the electric vehicle cannot rotate, the electric vehicle has the function of maintaining the parking under the condition of not using, the possibility that the electric vehicle moves under the condition of not using is avoided, and therefore hidden danger caused by the condition that the electric vehicle is not braked is avoided.
The brake 31 comprises a brake hub 311, two brake shoes 312, a brake deflector rod 321 and a brake shoe base 313;
the brake hub 311 is connected with a motor shaft key of the driving motor 2;
the brake deflector 321 is hinged to the brake Pi De 313, two brake pads 312 are symmetrically arranged on the brake pad base 131, the brake deflector 321 is arranged between the two brake pads 312, the brake hub 311 is arranged on one side of the brake pad base 313, the inner side of the brake hub 311 is abutted to the outer side of the brake pad 312, and the lower end of the brake pad is hinged to the brake Pi De 313.
The brake deflector rod 321 is an L-shaped rod piece, the rotating end of the brake deflector rod 321 penetrates through the brake Pi De 313 and extends to the front side of the brake pad base 313, the section of the rotating end of the brake deflector rod 321 is rectangular, two long sides of the rectangle are respectively propped against the two brake pads 312, the brake hub 311 is connected with a motor shaft key of the driving motor 2, namely, the brake hub 311 rotates along with a motor shaft of the driving motor 2, the brake Pi De 313 is arranged at the bottom of the brake hub 311, and when braking or parking, the rotating end of the brake deflector rod 321 rotates for a certain angle, so that two short sides of the rectangle are respectively propped against the two brake pads 312, the two brake pads 312 are opened, and the inner side of the brake hub 311 is clasped tightly, thereby generating braking force, and the motor shaft of the driving motor 2 is not rotated any more, so that braking or parking of the whole vehicle is realized.
The brake assembly 32 comprises a brake tension spring 322, a brake cable 323 and a brake cable lug 324, the brake deflector rod 321 is connected with the brake pad base 313 through the brake tension spring 322, the brake cable lug 324 is hinged with the swinging end of the brake deflector rod 321, and the brake cable 323 is connected with the brake cable lug 324.
The brake cable 324 is used for fixing the brake cable 323, the brake cable 323 is used for controlling the braking of the brake 31, the brake cable 323 is connected with the brake shoe base 313 to control the brake 31, the swinging end of the brake deflector rod 321 is connected with the brake shoe base 313 through the brake tension spring 322, when the electric vehicle brakes, the brake cable 323 pulls the brake cable 324 to swing, the brake tension spring 322 stretches, the rotating end of the brake deflector rod 321 rotates, and therefore the two brake shoes 312 are opened to hold the brake hub 311 tightly.
The brake 31 further comprises two clamping springs 314, the two clamping springs 314 are sleeved at the tail end of a motor shaft of the driving motor 2, and the brake hub 311 is arranged between the two clamping springs 314.
The brake hub 311 is fixed on the motor shaft of the driving motor 2 through the clamp spring 314, so that the brake hub 311 is limited from moving in the axial direction of the motor shaft of the driving motor 2, the brake of the brake 31 is more stable, and the service life of the motor shaft of the driving motor 2 is prolonged.
The brake device 3 further comprises an oil seal 33 arranged between the brake 31 and the reduction gear 4.
An oil seal 33 is arranged between the brake 31 and the speed reducer 4, so that lubricating oil on the speed reducer 4 is prevented from penetrating into the brake 31, brake failure is avoided, and the service life of the brake 31 is prolonged.
The brake 31 further comprises a restoring tension spring 315, and two ends of the restoring tension spring 315 are respectively connected with two brake pads 312 one by one.
A restoring tension spring 315 is arranged between the two brake shoes 312, and when the brake is released, the restoring tension spring 315 tightens the brake shoes 312 at the two sides towards the middle under the elastic action, so that the brake shoes 312 are restored to the original positions.
The brake assembly 32 further includes a pin 325, the pin 325 penetrates the brake cable lug 324 and the brake Pi De 313, and the brake cable lug 324 is rotatably connected with the brake Pi De 313 through the pin 325.
The pin shaft 325 is arranged to penetrate through the brake cable lug 324 and the brake cable base 313, so that the brake cable lug 324 can rotate relative to the brake cable base 313, and when the electric vehicle brakes, the brake cable base 313 and the brake deflector 321 rotate relative to each other, so that the pin shaft 325 is arranged to facilitate the brake cable 323 to adjust the stress point of the brake cable lug 324 to the brake cable base 313, and the braking process is smoother.
The brake assembly 32 further includes a cotter pin 326, the cotter pin 326 is connected to the pin shaft 325, and the cotter pin 326 is disposed outside the brake wire ear 324.
A cotter pin 326 is provided for securing the brake lug 324 and the axle pin 325 to prevent the axle pin 325 from falling.
The wheel axle 5 comprises two wheel half shafts 51 arranged at the left and right sides of the reduction gearbox 4, one ends of the two wheel half shafts 51 are in transmission fit with the output end of the reduction gearbox 4, and tires 52 are arranged at the other ends of the two wheel half shafts 51.
The reduction gearbox 4 is arranged on the drive axle bracket 1, and the left and right wheel half shafts 51 are controlled through the reduction gearbox 4, so that the running and braking transmission of the whole electric vehicle is realized.
The driving axle support 1 comprises half-axle supports 11, the half-axle supports 11 are provided with 2, the two half-axle supports 11 are respectively arranged on the left side and the right side of the reduction gearbox 4, the half-axle supports 11 are of hollow structures, the wheel half axle 51 is matched with the half-axle supports 11 through bearings, and the two half-axle supports 11 are connected with the flange of the reduction gearbox 4.
The drive axle bracket 1 is used for fixing the wheel axle 5, and because the wheel axle 5 is composed of a left wheel half axle 51 and a right wheel half axle 51, and the reduction gearbox 4 is arranged between the two wheel half axles 51, the drive axle bracket 1 is also divided into a left half axle bracket 11 and a right half axle bracket 11, and each half axle bracket 11 is fixedly provided with one wheel half axle 51 and is in flange connection with the reduction gearbox 4, so that the reduction gearbox 4 and the wheel axle 5 are fixed.
The technical principle of the present invention is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the invention and should not be taken in any way as limiting the scope of the invention. Other embodiments of the invention will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (7)
1. The electric vehicle driving axle with the brake parking function is characterized by comprising a driving axle bracket, a driving motor, a brake device, a reduction gearbox and a wheel shaft;
the driving motor is arranged on the driving axle bracket, and a motor shaft of the driving motor penetrates through the reduction gearbox and is in transmission connection with the input end of the reduction gearbox;
the brake device is arranged on the drive axle bracket and comprises a brake and a brake assembly, the brake is arranged at the tail end of a motor shaft of the drive motor and is connected with the brake assembly, and the brake is a drum brake;
the wheel shaft is matched with the drive axle bracket through a bearing, and is in transmission fit with the output end of the reduction gearbox;
the brake comprises a brake hub, two brake shoes, a brake deflector rod and a brake shoe base;
the brake hub is connected with a motor shaft key of the driving motor;
the brake deflector rod is hinged with the brake Pi De, two brake shoes are symmetrically arranged on the brake shoe base, the brake deflector rod is arranged between the two brake shoes, the brake hub is arranged on one side of the brake shoe base, the inner side of the brake hub is propped against the outer side of the brake shoe, and the lower end of the brake shoe is hinged with the brake Pi De;
the brake assembly comprises a brake tension spring, a brake cable and a brake cable lug, the brake deflector rod is connected with the brake shoe base through the brake tension spring, the brake cable lug is hinged with the swinging end of the brake deflector rod, and the brake cable is connected with the brake cable lug;
the brake further comprises two clamping springs, the two clamping springs are sleeved at the tail end of a motor shaft of the driving motor, and the brake hub is arranged between the two clamping springs.
2. The electric vehicle drive axle with brake parking of claim 1, wherein the brake device further comprises an oil seal, the oil seal being disposed between the brake and the reduction gearbox.
3. The electric vehicle driving axle with brake parking according to claim 2, wherein the brake further comprises a restoring tension spring, and two ends of the restoring tension spring are respectively connected with two brake pads one by one.
4. The electric vehicle drive axle with brake parking of claim 3, wherein the brake assembly further comprises a pin shaft, the pin shaft penetrates through the brake cable lug and the brake shoe base, and the brake cable lug is rotatably connected with the brake shoe base through the pin shaft.
5. The electric vehicle drive axle with brake parking of claim 4, wherein the brake assembly further comprises a cotter pin, the cotter pin is connected with the pin shaft, and the cotter pin is arranged on the outer side of the brake cable lug.
6. The electric vehicle driving axle with brake parking according to claim 1, wherein the wheel axle comprises two wheel half shafts arranged on the left and right sides of the reduction gearbox, one ends of the two wheel half shafts are in transmission fit with the output end of the reduction gearbox, and tires are arranged on the other ends of the two wheel half shafts.
7. The electric vehicle driving axle with brake parking according to claim 6, wherein the driving axle support comprises 2 half-axle supports, the half-axle supports are respectively arranged on the left side and the right side of the reduction gearbox, the half-axle supports are of hollow structures, the wheel half axle and the half-axle supports are matched through bearings, and the two half-axle supports are connected with the flange of the 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 CN109229079A (en) | 2019-01-18 |
| CN109229079B true CN109229079B (en) | 2023-09-05 |
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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) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019103063B3 (en) * | 2019-02-07 | 2020-06-18 | Schaeffler Technologies AG & Co. KG | Method for performing 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 |
| CN2878147Y (en) * | 2006-03-20 | 2007-03-14 | 山东金大路车业有限公司 | Brake device for parking vehicle |
| CN202368552U (en) * | 2011-12-07 | 2012-08-08 | 杭叉集团股份有限公司 | Parking braking device for forklift |
| CN104728403A (en) * | 2015-03-25 | 2015-06-24 | 绍兴金道齿轮箱有限公司 | Electric fork-lift truck, axle box and transmission mechanism thereof |
| CN104760499A (en) * | 2015-03-11 | 2015-07-08 | 天津金轮自行车集团有限公司 | Electric bicycle drive axle |
| CN207191021U (en) * | 2017-09-27 | 2018-04-06 | 佛山市格美清洁设备有限公司 | A kind of road sweeper of strap brake parking structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209112155U (en) * | 2018-09-12 | 2019-07-16 | 佛山市格美清洁设备有限公司 | A kind of electric motor car driving bridge of band brake parking |
-
2018
- 2018-09-12 CN CN201811062274.8A patent/CN109229079B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN202368552U (en) * | 2011-12-07 | 2012-08-08 | 杭叉集团股份有限公司 | Parking braking device for forklift |
| CN104760499A (en) * | 2015-03-11 | 2015-07-08 | 天津金轮自行车集团有限公司 | Electric bicycle drive axle |
| CN104728403A (en) * | 2015-03-25 | 2015-06-24 | 绍兴金道齿轮箱有限公司 | Electric fork-lift truck, axle box and transmission mechanism thereof |
| CN207191021U (en) * | 2017-09-27 | 2018-04-06 | 佛山市格美清洁设备有限公司 | A kind of road sweeper of strap brake parking structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109229079A (en) | 2019-01-18 |
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