CN104442771A - Electronic parking executing mechanism with reduced noise - Google Patents
Electronic parking executing mechanism with reduced noise Download PDFInfo
- Publication number
- CN104442771A CN104442771A CN201410709939.5A CN201410709939A CN104442771A CN 104442771 A CN104442771 A CN 104442771A CN 201410709939 A CN201410709939 A CN 201410709939A CN 104442771 A CN104442771 A CN 104442771A
- Authority
- CN
- China
- Prior art keywords
- inputting
- pin
- wheel
- gear
- electronic parking
- 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
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Classifications
-
- 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
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/28—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged apart from the brake
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- 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
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
-
- 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
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
Abstract
The invention discloses an electronic parking executing mechanism with reduced noise. A center locating pin (6) fixedly connected with a planetary input wheel is divided into two sections, the two sections comprise the first pin (61) and the second pin (62), and a gap formed between the first pin (61) and the second pin (62) forms a cavity (8) which can be filled with grease or damping matter and also can be hollow. Accordingly, noise of the electronic parking executing mechanism can be lower, grease is increased in the using process continuously, the service life is long, and efficiency is stable; due to the fact that vibration is smaller, transmission is stable, and efficiency further is improved.
Description
Technical field
The invention belongs to motor vehicle braking systems manufacturing technology field, specifically, relate to the electronic parking actuating unit that a kind of noise reduces.
Background technology
The noise of electronic parking actuating unit can greatly determine that the experience of client, drive noise are parts for parking noise, and a lot of company makes its noise reduce by various method.Prior art grant number is that the patent of CN101395400B proposes increase vibration-absorptive material noise-decreasing between wheel hub and outer rim gear;
Realizing in process of the present invention, contriver finds that prior art at least exists following problem: conditional electronic parking gear mechanism in use, grease can become dry because of the volatilization of mechanism wear and base oil gradually, and worse and worse, noise is also increasing for gear mechanism lubrication.
(1) cost is high, and vibration-absorptive material should ensure damping performance, again the functional requirement of guaranteed system.
(2) vibration-absorptive material participates in transmission brings retardance consequence to transmission, brings uncertainty to whole system.
(3) grease is dry can not get supplementing.
Summary of the invention
It is little that technical matters to be solved by this invention is to provide a kind of vibration, stable drive, the electronic parking actuating unit that the noise that driving efficiency is high reduces.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: the electronic parking actuating unit that a kind of noise reduces, comprise housing, cover, motor and motor accessories, planetary gear mechanism, in described housing, mounting arrangements has planetary gear mechanism and electric machine shaft driving to the transmission device of planet wheel for inputting, described planet wheel for inputting is using centralized positioning pin as main shaft and be fixedly connected with it, described centralized positioning pin runs through planet wheel for inputting and whole planetary gear mechanism, described centralized positioning pin has two sections, is respectively the first pin and the second pin; Gap between described first pin and the second pin forms a cavity, can fill grease or damping material, also can keep hollow in described cavity.
Gap between described first pin and the second pin is in described planet wheel for inputting, and namely described cavity is in described planet wheel for inputting.
Described first pin and the second pin are all fixed on breast wheel, and gap is therebetween in described breast wheel, and namely described cavity is in described breast wheel.
Described electric machine shaft driving is gear transmission to the transmission device of planet wheel for inputting, and being meshed successively by motor gear, carrier gear and planet wheel for inputting realizes transmission.
Described electric machine shaft driving is belt-driving to the transmission device of planet wheel for inputting, realizes transmission by belt connection electrical machine belt pulley and planet wheel for inputting.
Described carrier gear is as the medium of motor gear and planetary wheel input gear, and bridge gear shaft is mounted or be injection-moulded on housing, and in cantilever beam form, the bridge gear shaft other end is arranged in bridge gear shaft knock hole.
Planetary gear mechanism comprises planet wheel for inputting, output shaft, multistage sun wheel, gear ring, satellite gear and pinion carrier, and described planet wheel for inputting and first order sun wheel are fixed together; The sun wheel of described pinion carrier and next stage is fixed together; Afterbody pinion carrier and output shaft are fixed together.
Described planetary gear mechanism is NGW planetary gear mechanism, and the gear ring of described NGW planetary gear mechanism is fixed, and sun wheel inputs, and pinion carrier exports; By afterbody pinion carrier, power is passed to braking during standstill clamp.
Described motor accessories comprises gear on motor lines, motor and motor cabinet.
Sound, in the process propagated, due to the change of dielectric property impedance between different material, makes part acoustic energy be reflected back by barrier, and a part is absorbed by barrier, only some acoustic energy through.At planetary wheel wheel for inputting place because rotating speed is fast, vibration is large, is one of main noise source.In the principle that this partial design is two axles separation, make axial acoustic propagation experience twice decay, effectively reduce noise.
The invention has the advantages that, (1) principle that two axles are separated is designed to, make axial acoustic propagation experience twice decay, effectively reduce vibration and noise, (2) if add grease in cavity, constantly in the process used, increase system grease, life-span is long, stabilised efficiency, and (3) are less owing to vibrating, stable drive, efficiency also can improve.
Accompanying drawing explanation
Fig. 1 is the structural representation of the electronic parking actuating unit that a kind of noise of the present invention reduces;
Fig. 2 is the structural representation of the centralized positioning pin of the electronic parking actuating unit that Fig. 1 noise reduces;
Fig. 3 is the structural representation of the another kind of embodiment of the electronic parking actuating unit that noise reduces;
Fig. 4 is the structural representation of the centralized positioning pin of Fig. 3;
Mark in above-mentioned figure is: 1, motor, and 2, motor gear, 3, carrier gear, 4, planet wheel for inputting, 5, planetary gear mechanism, 6, centralized positioning pin, the 61, first pin, the 62, second pin, 7, breast wheel, 8, cavity.
Detailed description of the invention
Fig. 1 is the structural representation of the electronic parking actuating unit that a kind of noise of the present invention reduces, comprise housing, cover, motor 1 and motor accessories, planetary gear mechanism 5, in housing, mounting arrangements has planetary gear mechanism 5 and electric machine shaft driving to the transmission device of planet wheel for inputting 4, it is characterized in that, planet wheel for inputting 4 is using centralized positioning pin 6 as main shaft and be fixedly connected with it, centralized positioning pin 6 runs through planet wheel for inputting 4 and whole planetary gear mechanism 5, centralized positioning pin 6 has two sections, is respectively the first pin 61 and the second pin 62; Gap between first pin 61 and the second pin 62 forms a cavity 8, can fill grease or damping material in cavity 8.
As shown in Figure 2, the gap between the first pin 61 and the second pin 62 is in planet wheel for inputting 4, and namely cavity 8 is in planet wheel for inputting 4.
As shown in Figure 3 and Figure 4, be the structural representation of the second embodiment of the electronic parking actuating unit of noise reduction, the first pin 61 and the second pin 62 are all fixed on breast wheel 7, and gap is therebetween in breast wheel 7, and namely cavity 8 is in breast wheel 7.
Electric machine shaft driving is gear transmission to the transmission device of planet wheel for inputting 4, and being meshed successively by motor gear 2, carrier gear 3 and planet wheel for inputting 4 realizes transmission.
Electric machine shaft driving is belt-driving to the transmission device of planet wheel for inputting 4, realizes transmission by belt connection electrical machine belt pulley and planet wheel for inputting 4.
Carrier gear 3 is as the medium of motor gear 2 and planetary wheel input gear, and carrier gear 3 axle is mounted or be injection-moulded on housing, and in cantilever beam form, the carrier gear 3 axle other end is arranged in carrier gear 3 axle knock hole.
Planetary gear mechanism 5 comprises planet wheel for inputting 4, output shaft, multistage sun wheel, gear ring, satellite gear and pinion carrier, and planet wheel for inputting 4 and first order sun wheel are fixed together; The sun wheel of pinion carrier and next stage is fixed together; Afterbody pinion carrier and output shaft are fixed together.
Planetary gear mechanism 5 is NGW planetary gear mechanism, and the gear ring of NGW planetary gear mechanism is fixed, and sun wheel inputs, and pinion carrier exports; By afterbody pinion carrier, power is passed to braking during standstill clamp.
Motor accessories comprises gear on motor lines, motor and motor cabinet.
In operational process, due to the larger vibration that planet wheel for inputting or breast wheel rotating speed produce soon, be designed to the principle that two axles are separated, make axial acoustic propagation experience twice decay, add the approach of noise and Vibration propagation, effectively reduce noise.
Increase damping at core, the noise of whole parts obtains reduction.Increase grease in the chamber formed, not only by the viscosity of grease, damping can be formed, and the grease in planetary gear system can be supplemented.Specific implementation is:
(1) the centralized positioning pin 6 on planet wheel for inputting 4 or breast wheel 7 is divided into two parts;
(2) two centralized positioning pins 6 are fixed with the two ends of planet wheel for inputting 4 or breast wheel 7 respectively, and two axial end do not contact with each other;
(3) between planet wheel for inputting 4 or the inner diaxon end face of breast wheel 7, a chamber is formed;
(4) can grease be added in chamber, also can add the damping material reducing noise.
After adopting above-mentioned structure, 1 noise reduces, and 2 constantly increase grease in the process used, and the life-span is long, stabilised efficiency, and 3 is less owing to vibrating, and stable drive, efficiency also can improve.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (9)
1. the electronic parking actuating unit of a noise reduction, comprise housing, cover, motor (1) and motor accessories, planetary gear mechanism (5), in described housing, mounting arrangements has planetary gear mechanism (5) and electric machine shaft driving to the transmission device of planet wheel for inputting (4), it is characterized in that, described planet wheel for inputting (4) is using centralized positioning pin (6) as main shaft and be fixedly connected with it, described centralized positioning pin (6) runs through planet wheel for inputting (4) and whole planetary gear mechanism (5), described centralized positioning pin (6) has two sections, be respectively the first pin (61) and the second pin (62), gap between described first pin (61) and the second pin (62) forms a cavity (8), can fill grease or damping material, also can keep hollow in described cavity (8).
2. the electronic parking actuating unit of noise reduction as claimed in claim 1, it is characterized in that, gap between described first pin (61) and the second pin (62) is in described planet wheel for inputting (4), and namely described cavity (8) is in described planet wheel for inputting (4).
3. the electronic parking actuating unit of noise reduction as claimed in claim 1, it is characterized in that, described first pin (61) and the second pin (62) are all fixed on breast wheel (7), therebetween gap is in described breast wheel (7), and namely described cavity (8) is in described breast wheel (7).
4. the electronic parking actuating unit of noise reduction as claimed in claim 1, it is characterized in that, described electric machine shaft driving is gear transmission to the transmission device of planet wheel for inputting (4), and being meshed successively by motor gear (2), carrier gear (3) and planet wheel for inputting (4) realizes transmission.
5. the electronic parking actuating unit of noise reduction as claimed in claim 1, it is characterized in that, described electric machine shaft driving is belt-driving to the transmission device of planet wheel for inputting (4), realizes transmission by belt connection electrical machine belt pulley and planet wheel for inputting (4).
6. the electronic parking actuating unit of noise reduction as claimed in claim 2, it is characterized in that, described carrier gear (3) is as the medium of motor gear (2) and planetary wheel input gear, carrier gear (3) axle is press-fited or is injection-moulded on housing, in cantilever beam form, carrier gear (3) the axle other end is arranged in carrier gear (3) axle knock hole.
7. the electronic parking actuating unit of noise reduction as claimed in claim 1, it is characterized in that, planetary gear mechanism (5) comprises planet wheel for inputting (4), output shaft, multistage sun wheel, gear ring, satellite gear and pinion carrier, and described planet wheel for inputting (4) and first order sun wheel are fixed together; The sun wheel of described pinion carrier and next stage is fixed together; Afterbody pinion carrier and output shaft are fixed together.
8. the electronic parking actuating unit of noise reduction as claimed in claim 7, it is characterized in that, described planetary gear mechanism (5) is NGW planetary gear mechanism, and the gear ring of described NGW planetary gear mechanism is fixed, sun wheel inputs, and pinion carrier exports; By afterbody pinion carrier, power is passed to braking during standstill clamp.
9. the electronic parking actuating unit that reduces of noise as claimed in claim 8, is characterized in that, described motor accessories comprises gear on motor lines, motor and motor cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410709939.5A CN104442771B (en) | 2014-11-27 | 2014-11-27 | A kind of electronic parking executing agency of lower noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410709939.5A CN104442771B (en) | 2014-11-27 | 2014-11-27 | A kind of electronic parking executing agency of lower noise |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104442771A true CN104442771A (en) | 2015-03-25 |
| CN104442771B CN104442771B (en) | 2017-06-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410709939.5A Active CN104442771B (en) | 2014-11-27 | 2014-11-27 | A kind of electronic parking executing agency of lower noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104442771B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830088A (en) * | 2017-11-28 | 2018-03-23 | 芜湖伯特利汽车安全系统股份有限公司 | Motor vehicle electronic parking actuator |
| CN114198471A (en) * | 2021-12-24 | 2022-03-18 | 成都飞亚航空设备应用研究所有限公司 | Single-motor two-section driving rotary actuator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994771A (en) * | 2010-11-19 | 2011-03-30 | 芜湖伯特利汽车安全系统有限公司 | Electronic parking actuator for vehicle parking braking system |
| DE102010032053A1 (en) * | 2010-07-23 | 2012-01-26 | Lucas Automotive Gmbh | Subassembly for an electromechanical brake actuator |
| CN103502677A (en) * | 2011-04-26 | 2014-01-08 | 株式会社爱德克斯 | Electric parking brake driving device and electric parking brake device |
| CN103742573A (en) * | 2013-12-31 | 2014-04-23 | 芜湖伯特利汽车安全系统有限公司 | Electronic parking actuator used for car braking system |
| CN204415371U (en) * | 2014-11-27 | 2015-06-24 | 芜湖伯特利汽车安全系统有限公司 | The electronic parking actuating unit that noise reduces |
-
2014
- 2014-11-27 CN CN201410709939.5A patent/CN104442771B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010032053A1 (en) * | 2010-07-23 | 2012-01-26 | Lucas Automotive Gmbh | Subassembly for an electromechanical brake actuator |
| CN101994771A (en) * | 2010-11-19 | 2011-03-30 | 芜湖伯特利汽车安全系统有限公司 | Electronic parking actuator for vehicle parking braking system |
| CN103502677A (en) * | 2011-04-26 | 2014-01-08 | 株式会社爱德克斯 | Electric parking brake driving device and electric parking brake device |
| CN103742573A (en) * | 2013-12-31 | 2014-04-23 | 芜湖伯特利汽车安全系统有限公司 | Electronic parking actuator used for car braking system |
| CN204415371U (en) * | 2014-11-27 | 2015-06-24 | 芜湖伯特利汽车安全系统有限公司 | The electronic parking actuating unit that noise reduces |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830088A (en) * | 2017-11-28 | 2018-03-23 | 芜湖伯特利汽车安全系统股份有限公司 | Motor vehicle electronic parking actuator |
| CN114198471A (en) * | 2021-12-24 | 2022-03-18 | 成都飞亚航空设备应用研究所有限公司 | Single-motor two-section driving rotary actuator |
| CN114198471B (en) * | 2021-12-24 | 2024-04-12 | 成都飞亚航空设备应用研究所有限公司 | Single-motor two-section driving rotary actuator |
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| Publication number | Publication date |
|---|---|
| CN104442771B (en) | 2017-06-06 |
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Address after: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 19 Taishan Road Applicant after: WUHU BOTELI AUTOMOBILE SAFETY SYSTEM CO., LTD. Address before: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 19 Taishan Road Applicant before: Wuhu Bethel Automotive Secure Systems Ltd. |
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