CN104401310A - Electronic parking braking executing mechanism for vehicle - Google Patents
Electronic parking braking executing mechanism for vehicle Download PDFInfo
- Publication number
- CN104401310A CN104401310A CN201410698150.4A CN201410698150A CN104401310A CN 104401310 A CN104401310 A CN 104401310A CN 201410698150 A CN201410698150 A CN 201410698150A CN 104401310 A CN104401310 A CN 104401310A
- Authority
- CN
- China
- Prior art keywords
- gear
- motor
- inputting
- planet wheel
- carrier
- 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.)
- Pending
Links
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
- B60T13/74—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 with electrical assistance or drive
Abstract
The invention discloses an electronic parking braking executing mechanism for a vehicle. The electronic parking braking executing mechanism for the vehicle comprises a housing, a cover, a motor (1), motor accessories and a planetary gear transmission mechanism (5); the planetary gear transmission mechanism (5) and a drive mechanism are mounted in the housing, wherein the drive mechanism drives a motor to a planetary input wheel (4); a central locating pin (6) serves as a main shaft of the planetary input wheel (4) and is fixedly connected with the planetary input wheel (4); and the central locating pin (6) passes through the planetary input wheel (4) and the whole planetary gear transmission mechanism (5). The electronic parking braking executing mechanism for the vehicle is high in efficiency, low in noise, long in service life and stable in efficiency.
Description
Technical field
The invention belongs to motor vehicle braking systems manufacturing technology field, specifically, relate to a kind of vehicle electronic brake actuating unit.
Background technology
In automotive vehicle electronic brake system technical field, mostly adopt forceps major Integral electronic emergency brake system, described forceps major Integral electronic emergency brake system function is many, and safety factor is high, compact conformation, becomes current development tendency.The power of forceps major Integral electronic emergency brake system comes from motor, through driving device, is completed self-propelled vehicle braking during standstill and release by braking during standstill caliper assembly.
Electronic parking actuator of the prior art comprises motor, driving device and housing etc., it is the important component part of electronic parking system, for controlling effect and the release of braking during standstill caliper assembly, the height of its performance, the size of noise directly has influence on the safety of automobile and the impression of client undoubtedly.Therefore electronic parking actuator running part efficiency, noise and the efficiency decay caused with life-span increase and bad stability become the focus of technical concerns.Useful structure design becomes one of electronic parking projector important process.
Realizing in process of the present invention, contriver finds that prior art at least exists following problem: driving device generally comprises from motor shaft to the transmission of planetary wheel main shaft and Planetary Gear Transmission.Unavoidably diametral load is there is to planetary wheel spindle from motor shaft, the existence of diametral load can cause planetary wheel inclined main axes, the problem tilting to cause has: (1) declines from motor shaft to the efficiency of planetary wheel main shaft, and noise increases, and Efficiency of Planetary Transmission declines.(2) the transmission appearance point contact owing to tilting to cause, stress increases, and causes the transmission life-span to reduce.
Summary of the invention
Technical matters to be solved by this invention is to provide that a kind of planetary wheel spindle efficiency is high, noise is little, the vehicle electronic brake actuating unit of automatic aligning.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of vehicle electronic brake actuating unit, 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, and described centralized positioning pin runs through planet wheel for inputting and whole planetary gear mechanism.
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 press-fited or is 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.
The invention has the advantages that, (1) gyro is adopted can well to resist the principle of diametral load, planetary wheel main shaft-centralized positioning pin is contained on the fastest part of planetary wheel rotating speed, namely on planet wheel for inputting, because rotating speed is the fastest, precession phenomenon is more obvious, and the friction force of point of attachment A is significantly reduced.(2) planetary wheel main shaft-centralized positioning pin is designed to run through whole Planetary Gear Transmission, balances by the principle of precession the destabilization problems that each parts cause because transmission is unbalanced, well coordinate the center of this planetary pinion gear mechanism.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of vehicle electronic brake actuating unit of the present invention;
Fig. 2 is the structural representation of the centralized positioning pin of Fig. 1 vehicle electronic brake actuating unit;
Fig. 3 is the structural representation of the another kind of embodiment of vehicle electronic brake actuating unit;
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, 61, point of attachment A, 62, point of attachment B.
Detailed description of the invention
Fig. 1 is the structural representation of a kind of vehicle electronic brake actuating unit of the present invention, comprise housing, cover, motor 1 and motor accessories, planetary gear mechanism 5, housing is integral type framework, also comprise integrated drive mechanism locating plate, in integrated frame and transmission device locating plate, mounting arrangements has planetary gear mechanism 5 and electric machine shaft driving to the carrier gear 3 of satellite gear, and transmission device locating plate is connected in integrated frame.Wherein carrier gear 3 transmission can substitute with belt-driving, and as shown in Figure 3, belt-driving can be V V belt translation; Or employing ribbed V-belt drives; Or, if adopt belt-driving, then there is not carrier gear 3 axle, there is not carrier gear 3 knock hole yet in employing toothed belt transmission.
Planet wheel for inputting 4 is using centralized positioning pin 6 as main shaft and be fixedly connected with it, and centralized positioning pin 6 runs through planet wheel for inputting 4 and whole planetary gear mechanism 5.Centralized positioning pin 6 is contained on planet wheel for inputting 4, and centralized positioning pin 6 runs through whole Planetary Gear Transmission and is connected with the transmission of motor shaft and planetary wheel main shaft.
Transmission device locating plate two ends are provided with buckle, and are connected as a single entity by buckle and integrated frame; Transmission device locating plate carrier gear 3 axle knock hole and planet wheel spindle knock hole, the planet wheel spindle that planet wheel spindle knock hole is used in planetary gear mechanism 5 is fixed.
Transmission device locating plate two ends have a buckle at least, be divided into step and back-off two parts.
Integrated frame comprises two regions, and a region is concentric with the cylinder body of braking during standstill clamp, and this region mounting arrangements has planetary gear mechanism 5; The cylinder body of braking during standstill clamp is avoided in another region, and this another region mounting arrangements has motor; Two regions are parallel, motor installation parallel with planetary gear mechanism 5.
Integrated frame comprises the space holding planet wheel for inputting 4 and rotate, and planet wheel spindle one end is embedded on integrated frame, and the other end is arranged in planet wheel spindle knock hole, and transmission device locating plate tooth is embedded on cover.
Transmission device locating plate is made by injection moulding or metal sintering, and the material of transmission device locating plate is plastics or partial metallurgy, and plastics are by adding one or more substance modifications, and these materials are glass or Carbon fibe or PTFE.
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 integrated frame, in cantilever beam form, the carrier gear 3 axle other end is arranged in carrier gear 3 axle knock hole, wherein carrier gear 3 transmission can substitute with belt-driving, and belt-driving can be V V belt translation; Or employing ribbed V-belt drives; Or, if adopt belt-driving, then there is not carrier gear 3 axle, there is not carrier gear 3 knock hole yet in employing toothed belt transmission.
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.
First, ECU sends instruction to motor, and motor starts to rotate.Its motor is fixed by the motor knock hole of motor cabinet and integrated frame, by integrated frame and transmission device locating plate the most at last motor be fixed.Motor shaft can be gear drive to the transmission device of planetary wheel main shaft, can be also belt gear, be described below with gear drive.The rotation of motor drives the pinion rotation on motor shaft, and the gear of motor shaft rotarily drives carrier gear 3---and transmission device locating plate has the knock hole of carrier gear 3 axle.Carrier gear 3 rotates passes to planet wheel for inputting 4 by power---.Motor gear 2 and carrier gear 3, carrier gear 3 and the width between centers of planet wheel for inputting 4 and the conformability of upper lower shaft hole, directly determine the performance of electronic parking actuator, performance comprises efficiency, stationarity, low noise etc., these conformability need the high precision coordinated to ensure.According to our scheme, there are two buckles at integrated drive mechanism locating plate two ends, namely have two attachment points, by tolerance complementation, first two attachment points can accomplish that location is more accurate, we repair a die to facilitate at locating plate buckle place customized design step in addition, and quality of fit be can further improve; In addition, we adopt distalmost end to locate, and under equal lateral deviation, angular deviation is less.Finally, this scheme additionally uses the mode that step and back-off combine, and step is used for conveniently repairing a die, and ensure high quality of fit, locating plate and integrated frame are then become a module by back-off, and installation and transportation facilitate, and reduce manufacturing cost.
Planet wheel for inputting 4 and planetary wheel sun wheel are fixed together, and planet wheel for inputting 4 rotates the rotation of namely first order sun wheel.First order sun wheel is rotated and is driven first order satellite gear to rotate, and the rotation of satellite gear drives the rotation of first order pinion carrier.Here, gear ring is fixed on integrated frame.Gear ring and sun wheel share a satellite gear.It is high that this planetary gear mechanism 5 has efficiency, big speed ratio resolved into the feature of multistage NGW planetary gear mechanism, so this kind of Planetary Gear Transmission often has Multi-stage transmission.First order satellite gear and second stage sun wheel are fixed together, second stage sun wheel drives second stage satellite gear, second stage satellite gear drives second stage pinion carrier, by that analogy, afterbody pinion carrier is connected with output shaft, power is passed to braking during standstill clamp by the namely rotation of afterbody pinion carrier, is completed the action of parking by braking during standstill clamp.
After adopting above-mentioned structure, (1) adopts the principle of gyro, is contained in by planetary wheel main shaft on the fastest part of planetary wheel rotating speed, namely, on planet wheel for inputting 4, because rotating speed is the fastest, precession phenomenon is more obvious, diametral load reduces greatly, and the friction force of point of attachment A61 is significantly reduced.(2) by planetary wheel spindle design for running through whole Planetary Gear Transmission, whole planetary gear system presents self-equalizing, coordinates the center of this planetary pinion gear mechanism by the principle of precession.Efficiency is high, and noise is low, and the life-span is long, stabilised efficiency.
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 (7)
1. a vehicle electronic brake actuating unit, 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, and described centralized positioning pin (6) runs through planet wheel for inputting (4) and whole planetary gear mechanism (5).
2. vehicle electronic brake actuating unit 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.
3. vehicle electronic brake actuating unit 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).
4. vehicle electronic brake actuating unit 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.
5. vehicle electronic brake actuating unit 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.
6. vehicle electronic brake actuating unit as claimed in claim 5, 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.
7. vehicle electronic brake actuating unit as claimed in claim 6, 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 |
|---|---|---|---|
| CN201410698150.4A CN104401310A (en) | 2014-11-27 | 2014-11-27 | Electronic parking braking executing mechanism for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410698150.4A CN104401310A (en) | 2014-11-27 | 2014-11-27 | Electronic parking braking executing mechanism for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104401310A true CN104401310A (en) | 2015-03-11 |
Family
ID=52639003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410698150.4A Pending CN104401310A (en) | 2014-11-27 | 2014-11-27 | Electronic parking braking executing mechanism for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104401310A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245475A (en) * | 2018-09-27 | 2019-01-18 | 无锡天之骄电机有限公司 | A kind of The gear deceleration claw-pole type permanent-magnetic synchronous |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001334A (en) * | 2010-11-19 | 2011-04-06 | 芜湖伯特利汽车安全系统有限公司 | Electronic parking executor applied to motor vehicle brake system |
| US20140034432A1 (en) * | 2012-08-03 | 2014-02-06 | Advics North America | Electric brake actuator for vehicles |
| CN203809562U (en) * | 2014-01-27 | 2014-09-03 | 德昌电机(深圳)有限公司 | Actuator of electric parking braking system |
| EP2824354A1 (en) * | 2013-04-17 | 2015-01-14 | Keyang Electric Machinery Co., Ltd. | Electronic parking brake actuator assembly |
| CN204279401U (en) * | 2014-11-27 | 2015-04-22 | 芜湖伯特利汽车安全系统有限公司 | Vehicle electronic brake actuating unit |
-
2014
- 2014-11-27 CN CN201410698150.4A patent/CN104401310A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001334A (en) * | 2010-11-19 | 2011-04-06 | 芜湖伯特利汽车安全系统有限公司 | Electronic parking executor applied to motor vehicle brake system |
| US20140034432A1 (en) * | 2012-08-03 | 2014-02-06 | Advics North America | Electric brake actuator for vehicles |
| EP2824354A1 (en) * | 2013-04-17 | 2015-01-14 | Keyang Electric Machinery Co., Ltd. | Electronic parking brake actuator assembly |
| CN203809562U (en) * | 2014-01-27 | 2014-09-03 | 德昌电机(深圳)有限公司 | Actuator of electric parking braking system |
| CN204279401U (en) * | 2014-11-27 | 2015-04-22 | 芜湖伯特利汽车安全系统有限公司 | Vehicle electronic brake actuating unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245475A (en) * | 2018-09-27 | 2019-01-18 | 无锡天之骄电机有限公司 | A kind of The gear deceleration claw-pole type permanent-magnetic synchronous |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102001334B (en) | Electronic parking executor applied to motor vehicle brake system | |
| CN103742573A (en) | Electronic parking actuator used for car braking system | |
| CN101516663B (en) | Axle unit with sensors incorporating in-wheel motor | |
| CN105485330B (en) | A kind of electronic brake actuator | |
| CN104903165A (en) | Electric brake device | |
| EP3590777A1 (en) | Motor module and abs hydraulic unit | |
| CN102966686A (en) | Brake caliper assembly of electronic parking brake system for vehicle | |
| CN204279401U (en) | Vehicle electronic brake actuating unit | |
| CN104401310A (en) | Electronic parking braking executing mechanism for vehicle | |
| CN205904468U (en) | A big stroke rises and tightly installs for pressing from both sides tight wheel hub centre bore | |
| CN209008661U (en) | Full SERVO CONTROL driving mechanism is walked and turned to steering wheel | |
| CN105905083A (en) | Electronic parking brake assembly | |
| CN205630672U (en) | A arresting gear for taking gear drive's robot joint | |
| CN205190599U (en) | A electronic parking brake device for drum brake | |
| CN201613518U (en) | Fixing tool used for engine assembly | |
| CN105880658A (en) | Large-stroke tension device for clamping central hole of hub | |
| CN105034790A (en) | Electric automobile torsion girder type driving system and driving method of same | |
| CN105299105A (en) | Electronic parking brake device used for drum brake | |
| CN205806410U (en) | A kind of planet-gear speed reducer | |
| CN210389199U (en) | Robot joint speed reduction output mechanism | |
| CN205154982U (en) | Electronic parking brake power assembly drive mechanism | |
| CN203500421U (en) | Differential mechanism with integral shell | |
| CN204279402U (en) | The driving device of Parking Brake, Parking Brake and vehicle | |
| CN202690777U (en) | Bearing gap fixator | |
| CN211398380U (en) | Electronic parking actuating mechanism of vehicle braking system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
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. |
|
| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150311 |
|
| RJ01 | Rejection of invention patent application after publication |