CN203766736U - Driving device with parking brake and electric automobile applying driving device - Google Patents
Driving device with parking brake and electric automobile applying driving device Download PDFInfo
- Publication number
- CN203766736U CN203766736U CN201420080694.XU CN201420080694U CN203766736U CN 203766736 U CN203766736 U CN 203766736U CN 201420080694 U CN201420080694 U CN 201420080694U CN 203766736 U CN203766736 U CN 203766736U
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- Prior art keywords
- shaft
- parking brake
- power take
- end cover
- actuating device
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- Expired - Fee Related
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Abstract
The utility model discloses a driving device with a parking brake and an electric automobile applying the driving device. The electric automobile comprises a transmission shaft and the driving device; the driving device comprises a motor, and further comprises the parking brake; the motor is provided with a power output shaft which extends in the fore-and-aft direction axially and penetrates through the motor, and is in transmission connection with the transmission shaft; a front end cover allowing the power output shaft to penetrate is arranged in the front of the motor; the parking brake is arranged in front of the front end cover, and is used for conducting brake on the power output shaft; a brake mounting part is arranged in the front of the front end cover; the parking brake is mounted on the brake mounting part. The driving device is relatively compact in integral structure, and relatively small in occupied space, and can reduce requirements on mounting space of the driving device.
Description
Technical field
The utility model relates to a kind of actuating device with Parking Brake and uses the electronlmobil of this actuating device.
Background technology
Along with world today's energy scarcity and environmental pollution two large problems more and more serious, the development of new-energy automobile industry is subject to all the more the attention of national governments, the electronlmobil taking vehicle power as power in new-energy automobile, due to its energy that adopts cleanliness without any pollution, is applicable to wideling popularize.
Electronlmobil provides power with vehicle power, drives vehicle wheel rotation to travel by electrical motor by transmission shaft.Due to the Dynamical Cause of pure electric automobile, in electronlmobil design loss of weight design particularly important, so, pneumatic emergency brake system conventional on the automobile using combustion engine as propulsion source is because deadweight is compared with not being suitable for greatly electronlmobil.In the Chinese utility model patent specification sheets that is CN201134722Y at Granted publication number, disclose a kind of deadweight less can be applicable to the electricity driving chassis stopping brake on electronlmobil, holding brake device comprises the Parking Brake that can carry out to the power take-off shaft of electrical motor braking during standstill, Parking Brake is connected with the vehicle frame of automobile by frame respectively with electrical motor, Parking Brake is positioned at a side of stretching out corresponding End cover for motor of the power take-off shaft of electrical motor, corresponding, frame comprises frame main body and cantilever is installed, electrical motor is installed in frame main body, Parking Brake is installed in to be installed on cantilever.What Parking Brake adopted is drum brake mechanism, comprise for the power take-off shaft of electrical motor on the output flange that is coaxially installed with coaxially fixing assembling brake wheel and be fixedly assemblied in the back-plate on the installation cantilever of frame, on back-plate, be provided with for braking with locked wheels drum to realize the brake strap of braking during standstill.Drg is being arranged in frame, and brake wheel is connected to realize the power take-off shaft of electrical motor and the transmission of power of transmission shaft with transmission shaft driven.In the time that needs carry out braking during standstill, pull-up parking brake, is roused with braking with locked wheels by the action of rope traction brake strap, thereby realizes braking during standstill.
Drg in above-mentioned holding brake device and electrical motor are arranged apart and be fixedly assemblied in respectively in frame, frame is except meeting electrical motor, also to meet the installation requirement of drg, this just makes frame will be provided for specially installing the installation cantilever of drg, make frame volume larger, whole actuating device takes up room relatively large, is not suitable for the narrow and small vehicle of installing space.
Utility model content
The purpose of this utility model is to provide a kind of actuating device with Parking Brake, need in the motorized frame of peace, be provided for the installation cantilever of drg is installed and makes the technical matters that frame volume is larger to solve in prior art; Meanwhile, the utility model also provides a kind of electronlmobil that uses above-mentioned actuating device.
For achieving the above object, the technical scheme of the actuating device with Parking Brake provided by the utility model is: with the actuating device of Parking Brake, comprise electrical motor, electrical motor has the power take-off shaft that axially extends and pass forward electrical motor along fore-and-aft direction, electrical motor front portion is provided with the front end cover passing for power take-off shaft, actuating device also comprises the Parking Brake for described power take-off shaft is braked that is arranged in described front end cover front, the front portion of described front end cover is provided with drg installation portion, described Parking Brake is arranged on described drg installation portion.
Described drg installation portion is provided with the perforation of passing for described power take-off shaft, and perforation coordinates with described power take-off shaft coaxial rotation.
Described drg installation portion is the installation base that described front end cover front portion is integrally formed with.
The radial dimension of described installation base reduces gradually by before backward.
The front portion of described power take-off shaft is coaxially installed with output flange, described Parking Brake comprises the back-plate being installed on described drg installation portion and the brake wheel being coaxially connected with described output flange, and back-plate is provided with for braking with locked wheels drum to realize the brake strap of braking during standstill.
The technical scheme of electronlmobil provided by the utility model is: electronlmobil, comprise transmission shaft and the actuating device that drives transmission shaft to rotate, actuating device comprises electrical motor, electrical motor has the power take-off shaft that axially extends and pass forward electrical motor along fore-and-aft direction, power take-off shaft is connected with described transmission shaft driven, electrical motor front portion is provided with the front end cover passing for power take-off shaft, actuating device also comprises the Parking Brake for described power take-off shaft is braked that is arranged in described front end cover front, the front portion of described front end cover is provided with drg installation portion, described Parking Brake is arranged on described drg installation portion.
Described drg installation portion is provided with the perforation of passing for described power take-off shaft, and perforation coordinates with described power take-off shaft coaxial rotation.
Described drg installation portion is the installation base that described front end cover front portion is integrally formed with.
The radial dimension of described installation base reduces gradually by before backward.
The front portion of described power take-off shaft is coaxially installed with output flange, described Parking Brake comprises the back-plate being installed on described drg installation portion and the brake wheel being coaxially connected with described output flange, and back-plate is provided with for braking with locked wheels drum to realize the brake strap of braking during standstill.
Usefulness of the present utility model is: the Parking Brake in the actuating device on electronlmobil provided by the utility model is arranged on by drg installation portion on the front end cover of electrical motor, Parking Brake can be directly installed on electrical motor like this, install more for convenience, compared with mounting means of the prior art, need in the motorized frame of peace, installation cantilever be set, frame small volume, simultaneously, also make the integral structure of actuating device comparatively compact, taking up room of actuating device is less, can effectively reduce the requirement of actuating device to installing space.
Further, the perforation that power take-off shaft is provided with through drg installation portion, and this perforation coordinates with power take-off shaft coaxial rotation, can improve like this Parking Brake that is arranged on drg installation portion and the quality of fit of power take-off shaft, improve assembling effect.
Further, drg installation portion is the installation base being integrally formed with on front end cover, can utilize like this technique of existing production front end cover to produce the front end cover with installation base, can reduce the integral production cost of actuating device.
Further, because Parking Brake is arranged on to the front end of installation base, Parking Brake forms cantilever on installation base, now, the radial dimension of installation base is reduced gradually by before backward, can optimize the stressed of installation base, reduce the internal stress of installation base, extend the service life of installation base.
Brief description of the drawings
Fig. 1 is the structural representation of use provided by the utility model with a kind of embodiment of the electronlmobil of the actuating device of Parking Brake;
Fig. 2 is the local structure schematic diagram with the actuating device of Parking Brake in Fig. 1.
Detailed description of the invention
As Fig. 1, shown in Fig. 2, a kind of use is with the embodiment of the electronlmobil of the actuating device of Parking Brake, electronlmobil in this embodiment comprises transmission shaft 300 and the actuating device that drives transmission shaft to rotate, actuating device comprises electrical motor 100, electrical motor 100 has motor field frame 1, in motor field frame 1, be rotatably equipped with the power take-off shaft 10 that axially extends and pass forward electrical motor along fore-and-aft direction, motor field frame 1 front portion of electrical motor 100 is bolted and is equipped with the front end cover 20 passing for power take-off shaft 12, between front end cover 20 and power take-off shaft 12, be provided with rolling bearing 2.Actuating device also comprises the Parking Brake 300 for described power take-off shaft 12 is braked that is arranged in described front end cover 20 fronts, specifically, be provided with drg installation portion in the front portion of front end cover 20, Parking Brake is arranged on drg installation portion, drg installation portion is herein the installation base 4 that described front end cover front portion is integrally formed with, the radial dimension of installation base 4 reduces gradually by before backward, on installation base 4, be provided with the perforation 30 of passing for described power take-off shaft 12, perforation 30 coordinates with described power take-off shaft 12 coaxial rotation, the front portion that passes described perforation 30 of power take-off shaft 12 herein is coaxially installed with output flange 10.Parking Brake 300 comprises the brake wheel 8 that is installed in the back-plate 5 on installation base 4 and is coaxially connected with described output flange 10 by tightening screw 7, back-plate 5 is provided with for braking with locked wheels drum 8 to realize the brake strap 5 of braking during standstill, on brake strap 5, be connected with wire pulling rack 3, wire pulling rack 3 is in transmission connection by bracing wire and car load hand brake device.And the seam 9 of output flange 8 docks at the opening part of brake wheel 8 with the seam of transmission shaft 300.
In the time of running, power take-off shaft 12 is connecting with output flange 10 after assembling, be connected with transmission shaft 300 by the barrel bolt 11 on output flange 10, by transmission shaft 300, electrical motor 100 prime powers are delivered to vehicle bridge, drive car load travels, now, brake wheel 8 is synchronizeed rotation with output flange 10.In the time that braking during standstill is carried out in parking, driver operation hand brake device, bracing wire is transmitted pulling force through wire pulling rack 3, now, brake strap 5 in Parking Brake 200 is held brake wheel 8 tightly, forms power take-off shaft 12, output flange 10 and the braking of the transmission shaft 300 of cooperation with it to electrical motor 100, if do not unclamped parking brake, car load will can not slide, and realize the function of braking during standstill.
In above-described embodiment, Parking Brake is by removable being assemblied on installation base of tightening screw, and whole driving device structure compactness, takes up room less.And, because Parking Brake is external on electrical motor, can choose as required different electrical motors like this and Parking Brake carries out adaptation, to meet the needs of different automobile types.
In above-described embodiment, the radial dimension of installation base reduces gradually by before backward, can optimize like this stressed of installation base, extends its service life.In other embodiments, also can make the outside dimension of installation base equate.
In above-described embodiment, drg installation portion adopts the structure of the installation base being wholely set with front end cover, in other embodiments, drg installation portion also can, for the mode being fixedly connected with by weld connection or Bolt Connection etc. is assemblied in the mounting blocks on front end cover, then be assemblied in Parking Brake correspondence on mounting blocks.
In above-described embodiment, be provided with the perforation of passing for power take-off shaft as the installation base of drg installation portion, like this, installation base is sleeved on power take-off shaft, in other embodiments, drg installation portion can be also multiple mounting blocks that moving power output shaft circumferentially distributes, and mounting blocks is just no longer sleeved on power take-off shaft like this.
In above-described embodiment, the structure of Parking Brake also can adopt Parking Brake of the prior art as drum brake mechanism or plate disc brake, as long as can be by corresponding Parking Brake being assemblied on installation base.
In addition, the utility model also provides a kind of embodiment of the actuating device with Parking Brake, and the actuating device in this embodiment is identical with the structure of the actuating device in above-mentioned electronlmobil, is not repeating at this.
Claims (10)
1. with the actuating device of Parking Brake, comprise electrical motor, electrical motor has the power take-off shaft that axially extends and pass forward electrical motor along fore-and-aft direction, electrical motor front portion is provided with the front end cover passing for power take-off shaft, actuating device also comprises the Parking Brake for described power take-off shaft is braked that is arranged in described front end cover front, it is characterized in that: the front portion of described front end cover is provided with drg installation portion, described Parking Brake is arranged on described drg installation portion.
2. the actuating device with Parking Brake according to claim 1, is characterized in that: described drg installation portion is provided with the perforation of passing for described power take-off shaft, and perforation coordinates with described power take-off shaft coaxial rotation.
3. the actuating device with Parking Brake according to claim 2, is characterized in that: described drg installation portion is the installation base that described front end cover front portion is integrally formed with.
4. the actuating device with Parking Brake according to claim 3, is characterized in that: the radial dimension of described installation base reduces gradually by before backward.
5. according to the actuating device with Parking Brake described in any one in claim 1 to 4, it is characterized in that: the front portion of described power take-off shaft is coaxially installed with output flange, described Parking Brake comprises the back-plate being installed on described drg installation portion and the brake wheel being coaxially connected with described output flange, and back-plate is provided with for braking with locked wheels drum to realize the brake strap of braking during standstill.
6. electronlmobil, comprise transmission shaft and the actuating device that drives transmission shaft to rotate, actuating device comprises electrical motor, electrical motor has the power take-off shaft that axially extends and pass forward electrical motor along fore-and-aft direction, power take-off shaft is connected with described transmission shaft driven, electrical motor front portion is provided with the front end cover passing for power take-off shaft, actuating device also comprises the Parking Brake for described power take-off shaft is braked that is arranged in described front end cover front, it is characterized in that: the front portion of described front end cover is provided with drg installation portion, described Parking Brake is arranged on described drg installation portion.
7. electronlmobil according to claim 6, is characterized in that: described drg installation portion is provided with the perforation of passing for described power take-off shaft, and perforation coordinates with described power take-off shaft coaxial rotation.
8. electronlmobil according to claim 7, is characterized in that: described drg installation portion is the installation base that described front end cover front portion is integrally formed with.
9. electronlmobil according to claim 8, is characterized in that: the radial dimension of described installation base reduces gradually by before backward.
10. according to the electronlmobil described in any one in claim 6 to 9, it is characterized in that: the front portion of described power take-off shaft is coaxially installed with output flange, described Parking Brake comprises the back-plate being installed on described drg installation portion and the brake wheel being coaxially connected with described output flange, and back-plate is provided with for braking with locked wheels drum to realize the brake strap of braking during standstill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420080694.XU CN203766736U (en) | 2014-02-25 | 2014-02-25 | Driving device with parking brake and electric automobile applying driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420080694.XU CN203766736U (en) | 2014-02-25 | 2014-02-25 | Driving device with parking brake and electric automobile applying driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203766736U true CN203766736U (en) | 2014-08-13 |
Family
ID=51283964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420080694.XU Expired - Fee Related CN203766736U (en) | 2014-02-25 | 2014-02-25 | Driving device with parking brake and electric automobile applying driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203766736U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105857276A (en) * | 2016-05-19 | 2016-08-17 | 中国重汽集团成都王牌商用车有限公司 | Hand braking device for direct drive motor of electric vehicle |
| CN108819925A (en) * | 2018-06-29 | 2018-11-16 | 北京新能源汽车股份有限公司 | Parking device, power drive system and vehicle |
| CN109296661A (en) * | 2018-11-23 | 2019-02-01 | 东风小康汽车有限公司重庆分公司 | A kind of transmission device and brake mounting structure of electric vehicle |
-
2014
- 2014-02-25 CN CN201420080694.XU patent/CN203766736U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105857276A (en) * | 2016-05-19 | 2016-08-17 | 中国重汽集团成都王牌商用车有限公司 | Hand braking device for direct drive motor of electric vehicle |
| CN108819925A (en) * | 2018-06-29 | 2018-11-16 | 北京新能源汽车股份有限公司 | Parking device, power drive system and vehicle |
| CN109296661A (en) * | 2018-11-23 | 2019-02-01 | 东风小康汽车有限公司重庆分公司 | A kind of transmission device and brake mounting structure of electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20190225 |