CN108799369A - Electromagnetic-type electronic mechanical brake - Google Patents
Electromagnetic-type electronic mechanical brake Download PDFInfo
- Publication number
- CN108799369A CN108799369A CN201810596885.4A CN201810596885A CN108799369A CN 108799369 A CN108799369 A CN 108799369A CN 201810596885 A CN201810596885 A CN 201810596885A CN 108799369 A CN108799369 A CN 108799369A
- Authority
- CN
- China
- Prior art keywords
- braking
- inlay
- piston
- electromagnetic
- electromagnetic clutch
- 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
-
- 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
- F16D67/00—Combinations of couplings and brakes; Combinations of clutches and brakes
- F16D67/02—Clutch-brake combinations
- F16D67/06—Clutch-brake combinations electromagnetically actuated
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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
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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
- F16D2121/00—Type of actuator operation force
- F16D2121/14—Mechanical
-
- 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
- F16D2125/00—Components of actuators
- F16D2125/18—Mechanical mechanisms
- F16D2125/20—Mechanical mechanisms converting rotation to linear movement or vice versa
- F16D2125/34—Mechanical mechanisms converting rotation to linear movement or vice versa acting in the direction of the axis of rotation
- F16D2125/40—Screw-and-nut
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of electromagnetic-type electronic mechanical brakes.The output shaft of motor is connected through deceleration mechanism with electromagnetic clutch, electromagnetic clutch and ball-screw axis connection；Ballscrew shaft and piston are installed in braking inlay, it brakes inlay and is equipped with bore passages, the bottom surface of braking inlay bore passages is provided with central through hole, extend on the outside of bore passages and stretches out and be bent to form pincers portion, ballscrew shaft inner end connects after stretching out braking inlay with the electromagnetic clutch other end, ballscrew shaft outer end is set with to form ball guide screw nat through ball and ball-screw nut, piston inner end is connected to bore passages bottom surface in braking inlay through return spring, piston bush moves in braking inlay bore passages and along bore passages, rubbed of piston outer end is connected with brake disc.The present invention is transmitted and is interrupted power using electromagnetic clutch, and without inverting motor, release braking, response is rapid, and transmission efficiency is high, it is possible to reduce braking release time, and grown motor service life.
Description
Technical field
The present invention relates to automobile brake technologies, and in particular to a kind of electromagnetic-type electronic mechanical brake.
Background technology
With the fast development of automobile intelligent technology, application of the X-by-wire on Automobile on vehicle is more and more extensive.Electronics
Mechanical braking technology is a branch of brake-by-wire technology, is a kind of completely new automobile brake theory.Electric mechanical braking system
System have many advantages, such as it is simple in structure, have excellent performance, it is environmentally friendly.Electromechanical brake is the execution machine of electromechanical braking system
Structure is the critical component for generating brake force.
Electromagnetic clutch is a kind of effect using electromagnetic energy, and torque is transferred to slave end from master end, completes transmission
The connection of system and power transmit.Electromagnetic clutch have it is small, it is compact-sized, the advantages that being active in one's movements.Ball-screw can
To convert rotary motion to linear motion, transmission efficiency is high, and is unable to self-locking.
Electromechanical brake existing design discharges braking using motor reversal, and motor continually rotates forward, inverts and can contract
Short motor service life, and increase the braking response time.
Invention content
In order to solve the problems, such as background technology, the purpose of the present invention is to propose to a kind of electromagnetic-type electronic mechanical brakings
Device interrupts power using electromagnetic clutch, and piston is retracted realization braking release using return spring.The present invention mainly answers
For service brake.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
The present invention includes motor, deceleration mechanism, electromagnetic clutch, return spring, ballscrew shaft, ball, ball-screw
Nut, piston, braking inlay, the first friction plate, the second friction plate and brake disc；The output shaft of motor is through deceleration mechanism and electromagnetism
One end of clutch connects, and the electromagnetic clutch other end and ballscrew shaft one end are coaxially connected；Rolling is installed in braking inlay
Ballscrew axis and piston, braking inlay are equipped with bore passages, and the bottom surface of braking inlay bore passages is provided with central through hole, and inner cavity is logical
Extend on the outside of road and stretch out and be bent to form pincers portion, ballscrew shaft inner end is set in the center of bore passages bottom surface in braking inlay
It is connected with the electromagnetic clutch other end in through-hole and after stretching out braking inlay, ballscrew shaft outer end is through ball and ball-screw spiral shell
Mother set fills to form ball guide screw nat, and ball-screw nut is fixedly connected by screw with the inner end of piston, piston inner end warp
Return spring is connected to the bottom surface of bore passages in braking inlay, and piston bush is in the bore passages of braking inlay and along inner cavity
Channel is moved, and rubbed of piston outer end is connected with brake disc.
The deceleration mechanism includes pinion gear and gear wheel, and the output shaft and pinion gear of motor are coaxially connected, pinion gear
It engages to form gear driving pair with gear wheel, one end of gear wheel and electromagnetic clutch is coaxially connected.
The end that the ballscrew shaft inner end is stretched out after braking inlay is equipped with clamp spring, by clamp spring by ballscrew shaft
End is limited in braking inlay outer wall.
The piston is socketed in through rectangular loop sealing in the bore passages in braking inlay.
Between the brake disc is arranged in piston outer end and brakes the pincers portion for extending outside inlay bore passages and stretching out, braking
The end face of disk is connected through the first friction plate with piston outer end face, the second friction plate of other end and braking inlay of brake disc
The connection of pincers portion madial wall.
The return spring is mounted between piston and braking inlay.
The electromagnetic clutch includes the component of two rotary motions, respectively driving part and slave unit, electromagnetism
The driving part of clutch is connected with gear wheel output shaft, and the slave unit of electromagnetic clutch is connected with ballscrew shaft.
The present invention has the advantages that：
1, for the present invention when discharging braking, motor is without reversion, it is possible to reduce braking release time.
2, in continually applying and discharging braking process, motor extends motor service life without reversion.
3, power is transmitted and cut off using electromagnetic clutch, and response is rapid, and transmission efficiency is high.
Description of the drawings
Fig. 1 is electromagnetic-type electronic mechanical brake structural schematic diagram of the present invention.
In figure：1- motors, 2- pinion gears, 3- gear wheels, 4- electromagnetic clutch, 5- clamp springs, 6- braking clamp bodies, 7- return bullets
Spring, 8- ballscrew shafts, 9- ball-screw nuts, 10- balls, 11- screws, 12- pistons, 13- rectangular loops, 14- first rub
Piece, the second friction plates of 15-, 16- brake discs.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and examples.
As shown in Figure 1, present invention specific implementation includes motor 1, deceleration mechanism, electromagnetic clutch 4, return spring 7, ball
Lead screw shaft 8, ball 10, ball-screw nut 9, piston 12, braking inlay 6, the first friction plate 14, the second friction plate 15 and braking
Disk 16；The output shaft of motor 1 is connected through deceleration mechanism with one end of electromagnetic clutch 4,4 other end of electromagnetic clutch and ball wire
8 one end of thick stick axis is coaxially connected；Ballscrew shaft 8 and piston 12 are installed in braking inlay 6, braking inlay 6 is equipped with bore passages,
The bottom surface of braking 6 bore passages of inlay is provided with central through hole, extends on the outside of bore passages and stretches out and be bent to form pincers portion, ball wire
8 inner end of thick stick axis be set in braking inlay 6 in bore passages bottom surface central through hole in and stretch out braking inlay 6 after and electromagnetic clutch
4 other end of device connects, and 8 outer end of ballscrew shaft forms ball guide screw nat through ball 10 and the suit of ball-screw nut 9, main
The ball screw framework to be made of ballscrew shaft 8, ball 10 and ball-screw nut 9, ball-screw nut 9 pass through screw
11 are fixedly connected with the inner end of piston 12, and ball-screw nut 9 is fixed on piston 12, by ball-screw nut 9 with piston
12 are axially moved.Piston 12 is sealed through rectangular loop 13 in the bore passages being socketed in braking inlay 6, and 12 inner end of piston is through return
Spring 7 is connected to the bottom surface of bore passages in braking inlay 6, and piston 12 is sleeved in the bore passages in braking inlay 6 and edge
Bore passages move, the connection of rubbed of 12 outer end of piston (14,15) and brake disc 16.
As shown in Figure 1, deceleration mechanism includes pinion gear 2 and gear wheel 3, the output shaft and pinion gear 2 of motor 1 coaxially connect
It connects, pinion gear 2 and gear wheel 3 engage and form gear driving pair, and one end of gear wheel 3 and electromagnetic clutch 4 is coaxially connected.
As shown in Figure 1, the end that 8 inner end of ballscrew shaft is stretched out after braking inlay 6 is equipped with clamp spring 5, pass through 5 ball of clamp spring
8 end of lead screw shaft is limited in braking 6 outer wall of inlay, and it is embedding that the protruding shaft end of ballscrew shaft 8 by clamp spring 5 is axially fixed in braking
The central through hole outer end face of body 6, clamp spring 5 are placed in braking 6 outer end of inlay and block ballscrew shaft 8 so that ballscrew shaft 8
Can only rotate cannot move axially.
As shown in Figure 1, brake disc 16 is arranged in 12 outer end of piston and brakes the pincers portion for extending outside 6 bore passages of inlay and stretching out
Between, the end face of brake disc 16 is connected through the first friction plate 14 with 12 outer end face of piston, the other end of brake disc 16
Two friction plates 15 are connected with the pincers portion madial wall of braking inlay 6.
As shown in Figure 1, return spring 7 is mounted between piston 12 and braking inlay 6.Return spring one end is fixed on braking
The inside of inlay, one end are fixed by screws on piston, return spring when electromagnetic-type electronic mechanical brake does not work at
In free state.Ball screw framework can not self-locking, after cutting off 8 power of ballscrew shaft, under the action of return spring 7,
Piston 12 is moved to motor drive direction, release braking.
Electromagnetic clutch includes the component of two rotary motions, respectively driving part and slave unit, electromagnetic clutch
Driving part be connected with gear wheel output shaft, the slave unit of electromagnetic clutch is connected with ballscrew shaft.
The electromagnetic clutch of the present invention is to make mechanical system using the frictional force between electromagnetic induction principle and interior outside friction disc
The component of two rotary motions in system, in the case where driving part does not stop rotating, slave unit can be separated.Institute
The electromagnetic clutch coil stated is powered in braking, and the driving part and slave unit of electromagnetic clutch engage, passing power；
When release braking, electromagnetic clutch coil blackout, driving part and the slave unit separation of electromagnetic clutch.
The work implementation process of the present invention is as follows
A, electromechanical brake service braking operation is as follows：
When driver's brake pedal, control unit control motor 1 starts to rotate, and power is through 1 output shaft of motor
The pinion gear 2 of deceleration mechanism is transmitted, pinion gear 2 is meshed with gear wheel 3, and power passes to gear wheel 3.Motor 1 exports dynamic
Power is amplified by deceleration mechanism, and the power being exaggerated transmits the initiative part that electromagnetic clutch 4 is passed to by the output shaft of gear wheel 3
Part.When executing braking, the coil of electromagnetic clutch 4 is powered, under the action of electromagnetic force, the driving and driven component of electromagnetic clutch 4
Engagement, power are transmitted to ballscrew shaft 8 by the slave unit of electromagnetic clutch 4.Ballscrew shaft 8 rotates, and drives ball wire
Thick stick nut 9 is moved to 16 direction of brake disc, and to be moved to 16 direction of brake disc with piston 12, return spring 7 is stretched.It is living
Plug 12 pushes the first friction plate 14 to be moved to 16 direction of brake disc.Between first friction plate 14 eliminates it between brake disc 16
Gap continues to press on brake disc 16 and continues to move to the second friction plate 15, until brake disc 16 is contacted with the second friction plate 15, passes through
Rubbing action realizes that automobile brake slows down.
B, electromechanical brake release braking process is as follows：
When driver discharges brake pedal, the coil blackout of electromagnetic clutch 4, electromagnetic force disappears, electromagnetic clutch 4
Driving part and slave unit separation.Motor 1 continues to rotate originally at this time, the power interruption of ballscrew shaft 8.Due to rolling
Screw mechanism moves under the action of return spring 7 to 1 direction of motor without self-lock ability, ball-screw nut 9, band piston
12 move to 1 direction of motor, to which the first friction plate 14 leaves brake disc 16, realize braking release.
After braking release, if brake pedal, the coil of electromagnetic clutch 4 are once again powered up driver again at once, electromagnetism
The driving part and slave unit of clutch are re-engaged, and repeat above-mentioned braking process；If driver's no longer brake pedal,
Then control unit control motor 1 stops operating.
The present invention transmits and interrupts power using electromagnetic clutch and realizes control for brake as a result, without inverting motor, discharges
Braking, response is rapid, and transmission efficiency is high, it is possible to reduce braking release time, and extend motor service life.
Claims (7)
1. a kind of electromagnetic-type electronic mechanical brake, it is characterised in that：Including motor (1), deceleration mechanism, electromagnetic clutch (4),
Return spring (7), ballscrew shaft (8), ball (10), ball-screw nut (9), piston (12), braking inlay (6), first
Friction plate (14), the second friction plate (15) and brake disc (16)；The output shaft of motor (1) is through deceleration mechanism and electromagnetic clutch
(4) one end connection, electromagnetic clutch (4) other end and ballscrew shaft (8) one end are coaxially connected；Brake peace in inlay (6)
Equipped with ballscrew shaft (8) and piston (12), braking inlay (6) is equipped with bore passages, brakes the bottom surface of inlay (6) bore passages
It is provided with central through hole, extends on the outside of bore passages and stretches out and be bent to form pincers portion, it is embedding that ballscrew shaft (8) inner end is set in braking
In body (6) in the central through hole of bore passages bottom surface and stretch out braking inlay (6) connected afterwards with electromagnetic clutch (4) other end,
Ballscrew shaft (8) outer end forms ball guide screw nat, ball-screw spiral shell through ball (10) and ball-screw nut (9) suit
Female (9) are fixedly connected by screw (11) with the inner end of piston (12), and piston (12) inner end is connected to braking through return spring (7)
The bottom surface of bore passages in inlay (6), piston (12) are sleeved in the bore passages of braking inlay (6) and are moved along bore passages
It is dynamic, the connection of piston (12) outer end rubbed (14,15) and brake disc (16).
2. a kind of electromagnetic-type electronic mechanical brake according to claim 1, it is characterised in that：
The deceleration mechanism includes pinion gear (2) and gear wheel (3), and the output shaft and pinion gear (2) of motor (1) coaxially connect
It connects, pinion gear (2) and gear wheel (3) engage and form gear driving pair, and one end of gear wheel (3) and electromagnetic clutch (4) is coaxial
Connection.
3. a kind of electromagnetic-type electronic mechanical brake according to claim 1, it is characterised in that：
The end that described ballscrew shaft (8) inner end is stretched out after braking inlay (6) is equipped with clamp spring (5), will be rolled by clamp spring (5)
Ballscrew axis (8) end is limited in braking inlay (6) outer wall.
4. a kind of electromagnetic-type electronic mechanical brake according to claim 1, it is characterised in that：
The piston (12) is socketed in through rectangular loop (13) sealing in the bore passages in braking inlay (6).
5. a kind of electromagnetic-type electronic mechanical brake according to claim 1, it is characterised in that：
The brake disc (16) be arranged in piston (12) outer end and brake inlay (6) bore passages outside extend stretch out pincers portion it
Between, the end face of brake disc (16) is connected through the first friction plate (14) with piston (12) outer end face, the other end of brake disc (16)
The second friction plate of face (15) is connected with the pincers portion madial wall of braking inlay (6).
6. a kind of electromagnetic-type electronic mechanical brake according to claim 1, it is characterised in that：
The return spring (7) is mounted between piston (12) and braking inlay (6).
7. a kind of electromagnetic-type electronic mechanical brake according to claim 1, it is characterised in that：
The electromagnetic clutch includes the component of two rotary motions, respectively driving part and slave unit, electromagnetic clutch
The driving part of device is connected with gear wheel output shaft, and the slave unit of electromagnetic clutch is connected with ballscrew shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810596885.4A CN108799369A (en) | 2018-06-11 | 2018-06-11 | Electromagnetic-type electronic mechanical brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810596885.4A CN108799369A (en) | 2018-06-11 | 2018-06-11 | Electromagnetic-type electronic mechanical brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108799369A true CN108799369A (en) | 2018-11-13 |
Family
ID=64088337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810596885.4A Pending CN108799369A (en) | 2018-06-11 | 2018-06-11 | Electromagnetic-type electronic mechanical brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108799369A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110001706A (en) * | 2019-05-14 | 2019-07-12 | 西南交通大学 | A kind of goods train deceleration top based on ball screw framework |
| CN110307278A (en) * | 2019-07-15 | 2019-10-08 | 中车青岛四方车辆研究所有限公司 | A kind of rail vehicle electric mechanical braking actuator and rail vehicle |
| CN113074228A (en) * | 2021-03-16 | 2021-07-06 | 北京工业大学 | Controllable miniature ball screw module of linear motion stroke |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506106A (en) * | 2011-10-27 | 2012-06-20 | 奇瑞汽车股份有限公司 | Electronic mechanical brake and automobile |
| CN102518716A (en) * | 2011-10-27 | 2012-06-27 | 奇瑞汽车股份有限公司 | Electric brake and automobile |
| US20140231189A1 (en) * | 2013-02-18 | 2014-08-21 | Mando Corporation | Electric caliper brake |
| CN106218665A (en) * | 2016-09-08 | 2016-12-14 | 上海六辔机电科技有限公司 | A kind of active-passive integrated formula rail vehicle motor drives friction stopping device |
| CN107355490A (en) * | 2017-09-14 | 2017-11-17 | 合肥工业大学 | A kind of magnetorheological transmission brake-by-wire device |
| CN108105293A (en) * | 2016-11-24 | 2018-06-01 | 比亚迪股份有限公司 | Brake actuator, brake system of car and electric vehicle |
| CN208535036U (en) * | 2018-06-11 | 2019-02-22 | 浙江亚太机电股份有限公司 | A kind of electromagnetic-type electronic mechanical brake |
-
2018
- 2018-06-11 CN CN201810596885.4A patent/CN108799369A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506106A (en) * | 2011-10-27 | 2012-06-20 | 奇瑞汽车股份有限公司 | Electronic mechanical brake and automobile |
| CN102518716A (en) * | 2011-10-27 | 2012-06-27 | 奇瑞汽车股份有限公司 | Electric brake and automobile |
| US20140231189A1 (en) * | 2013-02-18 | 2014-08-21 | Mando Corporation | Electric caliper brake |
| CN106218665A (en) * | 2016-09-08 | 2016-12-14 | 上海六辔机电科技有限公司 | A kind of active-passive integrated formula rail vehicle motor drives friction stopping device |
| CN108105293A (en) * | 2016-11-24 | 2018-06-01 | 比亚迪股份有限公司 | Brake actuator, brake system of car and electric vehicle |
| CN107355490A (en) * | 2017-09-14 | 2017-11-17 | 合肥工业大学 | A kind of magnetorheological transmission brake-by-wire device |
| CN208535036U (en) * | 2018-06-11 | 2019-02-22 | 浙江亚太机电股份有限公司 | A kind of electromagnetic-type electronic mechanical brake |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110001706A (en) * | 2019-05-14 | 2019-07-12 | 西南交通大学 | A kind of goods train deceleration top based on ball screw framework |
| CN110001706B (en) * | 2019-05-14 | 2023-09-29 | 西南交通大学 | Freight train retarder based on ball screw mechanism |
| CN110307278A (en) * | 2019-07-15 | 2019-10-08 | 中车青岛四方车辆研究所有限公司 | A kind of rail vehicle electric mechanical braking actuator and rail vehicle |
| CN113074228A (en) * | 2021-03-16 | 2021-07-06 | 北京工业大学 | Controllable miniature ball screw module of linear motion stroke |
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