CN201041210Y - Vehicular electronic machine brake device - Google Patents
Vehicular electronic machine brake device Download PDFInfo
- Publication number
- CN201041210Y CN201041210Y CNU2007200399375U CN200720039937U CN201041210Y CN 201041210 Y CN201041210 Y CN 201041210Y CN U2007200399375 U CNU2007200399375 U CN U2007200399375U CN 200720039937 U CN200720039937 U CN 200720039937U CN 201041210 Y CN201041210 Y CN 201041210Y
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- braking
- brake
- ball screw
- rolling ball
- piston
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Abstract
The utility model belongs to the vehicle braking technical field, in particular relates to a vehicle electronic mechanical braking device which comprises a direct current motor 1, an axle coupling device 2, a two-stage NGW type planetary gear system (N-internal meshing, G-common planetary wheel, and W-outer meshing), a rolling ball screw rod pair, a brake casing body 16, a braking caliper body 26, a piston 21, a braking block, and a braking disc 24. The utility model is characterized in that a spline connection is adopted between a second stage planetary frame 14 of a planetary wheel system and a rolling ball screw rod 19, to guarantee the transmission of the torque and the axial motion of the rolling ball screw rod 19, therefore, the piston 21 is exerted to push a right braking block 23 to realize braking. A flange connection is adopted between a rolling ball nut 17 and the braking caliper body 26, and a spline connection is adopted between the rolling ball nut 17 and the brake casing body 16. The horizontal motion is guaranteed to be transmitted to a left braking block 25 during the braking, to realize the braking function of a floating caliper type brake. The structure is simple, the operation is easy, the cost is inexpensive, the production is simple, and the utility model has better barking performance.
Description
Technical field
The utility model belongs to the automobile brake technical field, refers in particular to a kind of auto electronic mechanical brake equipment.
Background technique
The development of traditional hydraulic braking sytem is quite ripe so far; it comprises critical pieces such as energy supplying device, control gear, transmission device, break, and comparatively perfect braking system also has additional devices such as device to apply correction to braking force and warning device, pressure protective device.Yet, continuous development along with hydraulic braking sytem, some weakness of traditional braking system also just constantly come out, it mainly shows following each side: (1) is because hydraulic pipe line is easily damaged and reveal, befouling environment, thereby make that the braking system Security is not enough, braking failure often has generation; (2) because liquid compressibility under high pressure is obvious, makes the brake load transmission not steady, thereby make the braking ability instability; (3), it is made safeguard inconvenience because the component in the braking system are a lot, and braking line is intricate; (4) retardation efficiency is low, and braking energy distributes with heat energy mostly; (5) parts such as the braking fuel tank in the braking system, brake master cylinder, power assisting device, hydrovalve, complicated pipelines system have increased the quality of automobile greatly.These shortcomings are very difficult improved in the traditional braking system, need a kind of novel braking system, improve the deficiency that hydraulic braking sytem exists.
There is weakness in order to improve the conventional hydraulic braking system, more external component companies such as ContinentalTeves, Siemens, Bosch etc. have researched and developed a kind of novel braking system---handset tool braking device (electromechanical braking, be called for short EMB), it is to utilize the power source of motor as braking system, affact on the brake slipper through a cover mechanical mechanism, realize compressing of brake slipper and brake disc, thereby produce required braking force, wherein mechanical mechanism mainly comprises a moment of torsion enlarger and a direction switching mechanism.The major advantage of this technology is: mechanism is simple, and braking response speed is fast, braking ability good, safeguards that endurance quality is good easily, and clean and safe is reliable.
Abroad, developed the structure of a series of EMB.Continental Teves company has applied for many patents relevant for electric mechanical braking device structure, it is US6405836 that one patent No. is wherein arranged, cardinal principle is for when braking, the motor stator energising, then rotor rotation, by planetary gears and screw body biography brake slipper is pressed to brake disc, realize braking.
Though this design compact structure can satisfy the demand of brake functionality, has complex structure, radial dimension is big, needs torque motor of specialized designs, thereby makes that this break cost is higher.
Summary of the invention
Because the design of torque motor both complexity and cost is also high, the utility model provides the auto electronic mechanical brake equipment of the existing dc brushless motor of a kind of usefulness as power source, do not redesign motor, and transmission part is also assembled by design alternative, make the structure of electric mechanical braking device of the present utility model come into plain view like this, but also reduced cost.
A kind of electric mechanical braking apparatus comprises: direct current generator 1, coupling 2, two-stage NGW type epicyclic train (engagement in the N-, the public planet wheel of G-, the W-outer gearing), ball wire bar pair, brake casing 16, braking clamp body 26, piston 21, brake slipper, brake disc 24 etc.The concrete connection of each parts is as follows:
Direct current generator 1 links to each other by the sun gear 3 of coupling 2 with two-stage NGW type epicyclic train; The output terminal of two-stage NGW type epicyclic train is connected with ball screw 19; The planet carrier 15 of ball screw 19 and epicyclic train links to each other; Brake casing 16 1 ends are connected with epicyclic train gear ring 8, and the other end is connected with braking clamp body 26; Right brake slipper 23 is connected with piston 21, and left brake slipper 25 is connected with braking clamp body 26; Brake disc 24 is connected with wheel, it is characterized in that the second level planet carrier 14 of planetary gear train has adopted spline to be connected with ball screw 19, has guaranteed the transmission of moment of torsion and moving axially of ball screw 19, promotes right brake slipper 23 realization brakings thereby affact piston 21.
Between ball nut 17 and braking clamp body 26, adopt flange to be connected, and adopted the spline connection between the brake casing 16.Thereby horizontal motion power can be delivered on the left brake slipper 25 when having guaranteed braking, realizes the braking function of floating tong type break.
When implementing braking, direct current generator 1 starts, arrive sun gear 3 by coupling 2 transferring power, arrive second level planetary gear train by first order planet wheel 6 and planet carrier 9 transmitting torques, then by second level planet carrier 14 transferring power to ball screw 19, by ball screw 19 braking force is passed to piston 21, press to brake disc 24, thereby realize braking.
When brake off, motor 1 counter-rotation, the reverse translation of mechanism makes brake slipper 23,25 and brake disc 24 unclamp.
The utility model has adopted full mechanical, and is simple in structure, operation easily, and also with low cost, produce simply, braking ability is preferably arranged.
Description of drawings
Fig. 1 is the section of structure of the designed EMB break of the utility model
Fig. 2 is the designed two-stage NGW type planetary gear train schematic representation of the utility model
Fig. 3 is the designed ball wire bar pair structure diagram of the utility model
Fig. 4 is the designed braking clamp body sketch of the utility model
Fig. 1 is the erection drawing of the EMB break of the utility model design, and it mainly comprises a direct current generator power source, two-stage NGW type planetary gear train, ball screw auxiliary structure and brake device structure.Fig. 2, Fig. 3, Fig. 4 then are part diagrams main among Fig. 1.
Embodiment
Fig. 1 is the section of structure of the EMB break of the utility model design.Wherein, 1 is direct current generator, is connected with coupling 2 with planetary gear train sun gear 3, is connected on the gear ring 8 with bolt 4; 5 is packing ring; 6 is planet wheel, and it is by bearing 7 supportings; 9 is first order planetary gear train planet carrier, also gets input end as second level planetary gear train simultaneously, and center hole has played the effect of centering to ball screw 19; 10,11 be respectively hole, shaft block ring; 14 is second level planetary gear train planet carrier, is connected with ball screw 19 splines, and bearing 15 plays and stops its string action to be used; 16 is brake casing, is connected with bolt 12, nut 13 with gear ring 8, is connected with ball nut 17 splines; Braking clamp body 26 is connected with ball nut 17 usefulness flanges 20, is connected with left brake slipper 25; 18 is ball; Piston 21 is connected with right brake slipper 23 right sides; Brake disc 24 is connected with wheel.22 is rubber seal, mainly plays the adjustment function of brake clearance and the return function of piston 21.
Fig. 2, Fig. 3, Fig. 4 are the structural drawing of the major part of the utility model design.Because the velocity ratio size of one-level NGW type planetary wheel mechanism can not be satisfied the demand, so designed two-stage NGW type planetary wheel mechanism among Fig. 2, Fig. 4 designed braking clamp body has adopted being connected of flange and ball nut 17, be connected with adopting spline between the housing, realize the braking force transmission of ball nut 17 to braking clamp body 26 and even left brake slipper 25 with this.
When implementing braking, direct current generator 1 starts, arrive planetary gear train by coupling 2 transferring power, planetary gear train has played to slow down and has increased the effect of square, and it gets sun gear 3 input power by first order planetary gear train, and planet carrier 14 transferring power via second level planetary gear train arrive ball screw 19 then, finally braking force is passed to piston 21 by ball screw 19, realize moving direction by the rotation of motor output to the required horizontal motion of ball screw 19, finally press to brake disc 24, thereby realize braking.
When brake off, motor 1 counter-rotation, the reverse translation of mechanism makes brake slipper 23,25 and brake disc 24 unclamp.
The utility model is realized arrestment mechanism floating tong type braking function by having used two splines to connect: one to be the planet carrier 14 of second level planetary gear train be connected with spline between the ball screw 19, the main effect that connects of spline herein be transmit planetary wheel mechanism output torque to ball screw 19, and guarantee that ball screw moves horizontally vertically, promote piston 21 and realize braking function; Another is the spline connection between ball nut 17 and the brake casing 16, the main effect of spline herein is to guarantee moving horizontally of ball nut 17, stop its rotation trend, move simultaneously with the braking clamp body that flange is connected thereby drive with ball nut 17, make the brake slipper 25 that is connected on the braking clamp body move horizontally, realize braking.When motor 1 counter-rotating, mechanism is inverted running also, and braking discharges.
Claims (2)
1. auto electronic mechanical brake equipment, comprise: direct current generator (1), coupling (2), two-stage NGW type epicyclic train, ball screw (19), brake casing (16), braking clamp body (26), piston (21), about two brake slipper, brake disc (24), wherein direct current generator (1) links to each other by the sun gear (3) of coupling (2) with two-stage NGW type epicyclic train; The output terminal of two-stage NGW type epicyclic train is connected with ball screw (19); The planet carrier (15) of ball screw (19) and epicyclic train links to each other; Brake casing (16) one ends are connected with epicyclic train gear ring (8), and the other end is connected with braking clamp body (26); Right brake slipper (23) is connected with piston (21), and left brake slipper (25) is connected with braking clamp body (26); Brake disc (24) is connected with wheel, the second level planet carrier (14) that it is characterized in that planetary gear train has adopted spline to be connected with ball screw (19), between ball nut (17) and braking clamp body (26), adopt flange to be connected, and adopted the spline connection between the brake casing (16).
2. a kind of auto electronic mechanical brake equipment according to claim 1 is characterized in that being provided with the rubber seal (22) that is beneficial to piston (21) return.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200399375U CN201041210Y (en) | 2007-06-08 | 2007-06-08 | Vehicular electronic machine brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200399375U CN201041210Y (en) | 2007-06-08 | 2007-06-08 | Vehicular electronic machine brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201041210Y true CN201041210Y (en) | 2008-03-26 |
Family
ID=39252915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200399375U Expired - Fee Related CN201041210Y (en) | 2007-06-08 | 2007-06-08 | Vehicular electronic machine brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201041210Y (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102009647A (en) * | 2010-11-17 | 2011-04-13 | 奇瑞汽车股份有限公司 | Electronic mechanical braking device |
| CN102518718A (en) * | 2011-12-09 | 2012-06-27 | 浙江大学台州研究院 | Automobile electromechanical brake |
| CN102537310A (en) * | 2012-02-23 | 2012-07-04 | 中国重汽集团大同齿轮有限公司 | Electric servo gear-shifting actuator for AMT (automated mechanical transmission) of heavy truck |
| CN102758867A (en) * | 2012-07-09 | 2012-10-31 | 青岛智远汽车部件有限公司 | Electronic wedge drum brake |
| CN104595448A (en) * | 2013-10-30 | 2015-05-06 | 北京精密机电控制设备研究所 | Novel transmission mechanism |
| CN104864004A (en) * | 2015-05-28 | 2015-08-26 | 浙江大学台州研究院 | Automobile electronic mechanical brake and braking method thereof |
| CN107575547A (en) * | 2017-07-13 | 2018-01-12 | 重庆大学 | A kind of split type tail pylon latch gear electric transmission machanism and its locking taper method |
| CN110966319A (en) * | 2019-12-30 | 2020-04-07 | 燕山大学 | Completely linear electronic mechanical brake device |
| CN111550105A (en) * | 2020-04-27 | 2020-08-18 | 同济大学 | Coaxial double-wheel automobile carrying robot capable of moving horizontally in all directions |
| CN111608446A (en) * | 2020-04-27 | 2020-09-01 | 同济大学 | Differential braking coordination steering automobile transfer robot |
| CN112543721A (en) * | 2018-05-31 | 2021-03-23 | 福乐尼·乐姆宝公开有限公司 | Improved electro-hydraulic actuator for a brake |
| CN114165537A (en) * | 2021-11-23 | 2022-03-11 | 江苏大学 | Electromechanical brake with parking function |
| CN115217870A (en) * | 2022-07-29 | 2022-10-21 | 重庆长安汽车股份有限公司 | Brake caliper, brake system, automobile and design method |
-
2007
- 2007-06-08 CN CNU2007200399375U patent/CN201041210Y/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102009647A (en) * | 2010-11-17 | 2011-04-13 | 奇瑞汽车股份有限公司 | Electronic mechanical braking device |
| CN102518718A (en) * | 2011-12-09 | 2012-06-27 | 浙江大学台州研究院 | Automobile electromechanical brake |
| CN102518718B (en) * | 2011-12-09 | 2013-12-04 | 浙江大学台州研究院 | Automobile electromechanical brake |
| CN102537310B (en) * | 2012-02-23 | 2016-04-06 | 中国重汽集团大同齿轮有限公司 | Heavy-duty car AMT speed changer electrical servo gear shifting operator |
| CN102537310A (en) * | 2012-02-23 | 2012-07-04 | 中国重汽集团大同齿轮有限公司 | Electric servo gear-shifting actuator for AMT (automated mechanical transmission) of heavy truck |
| CN102758867B (en) * | 2012-07-09 | 2016-08-24 | 青岛智远汽车部件有限公司 | Electronic wedge drum brake |
| CN102758867A (en) * | 2012-07-09 | 2012-10-31 | 青岛智远汽车部件有限公司 | Electronic wedge drum brake |
| CN104595448A (en) * | 2013-10-30 | 2015-05-06 | 北京精密机电控制设备研究所 | Novel transmission mechanism |
| CN104864004A (en) * | 2015-05-28 | 2015-08-26 | 浙江大学台州研究院 | Automobile electronic mechanical brake and braking method thereof |
| CN107575547A (en) * | 2017-07-13 | 2018-01-12 | 重庆大学 | A kind of split type tail pylon latch gear electric transmission machanism and its locking taper method |
| CN112543721A (en) * | 2018-05-31 | 2021-03-23 | 福乐尼·乐姆宝公开有限公司 | Improved electro-hydraulic actuator for a brake |
| CN110966319A (en) * | 2019-12-30 | 2020-04-07 | 燕山大学 | Completely linear electronic mechanical brake device |
| CN111550105A (en) * | 2020-04-27 | 2020-08-18 | 同济大学 | Coaxial double-wheel automobile carrying robot capable of moving horizontally in all directions |
| CN111608446A (en) * | 2020-04-27 | 2020-09-01 | 同济大学 | Differential braking coordination steering automobile transfer robot |
| CN114165537A (en) * | 2021-11-23 | 2022-03-11 | 江苏大学 | Electromechanical brake with parking function |
| CN115217870A (en) * | 2022-07-29 | 2022-10-21 | 重庆长安汽车股份有限公司 | Brake caliper, brake system, automobile and design method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Yangzhou Suken Yinhe Connecting Bar Co., Ltd. Assignor: Jiangsu University Contract record no.: 2011320000572 Denomination of utility model: Vehicular electronic machine brake device Granted publication date: 20080326 License type: Exclusive License Record date: 20110414 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080326 Termination date: 20130608 |