CN101186183B - Electric eddy speed damper - Google Patents
Electric eddy speed damper Download PDFInfo
- Publication number
- CN101186183B CN101186183B CN2007103024084A CN200710302408A CN101186183B CN 101186183 B CN101186183 B CN 101186183B CN 2007103024084 A CN2007103024084 A CN 2007103024084A CN 200710302408 A CN200710302408 A CN 200710302408A CN 101186183 B CN101186183 B CN 101186183B
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- Prior art keywords
- transmission shaft
- support
- hole
- rotor
- stator
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- 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.)
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- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 230000000979 retarding effect Effects 0.000 claims abstract description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004804 winding Methods 0.000 abstract description 3
- 239000004020 conductor Substances 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000004323 axial length Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The invention relates to an electric vortex retarder, comprising at least two identical retarding devices which are sequentially arranged along the axial direction of a transmission shaft. The retarding device comprises a stator and a rotor assembly; the stator is fixed on a chassis of a vehicle by a bracket; the rotor assembly is connected with the transmission shaft. The invention increases the windings of coils by increasing the number of the retarding devices in the axial direction of the transmission shaft, thus generating large brake torque and decelerating the vehicle. Furthermore, the invention sufficiently utilizes the structural space of the chassis with less space occupied by the radial size and the upper and lower size compared with the existing retarder, and improves the brake effect of the vehicle.
Description
Technical field
The present invention relates to a kind of vehicular spare parts, especially a kind of current vortex retarder that is applicable to heavy duty truck.
Background technology
Current vortex retarder is to utilize the electro-magnetism principle that the kinetic energy of vehicle ' is changed into heat energy to distribute, thereby realizes the device of deceleration and brake action.Current vortex retarder has been compared many advantages with traditional braking: greatly improve braking performance of automobile, improve running safety, ride comfort, reduce life and property loss; Sharp-pointed noise when eliminating traditional braking and dust are to the pollution of environment; Save vehicle maintenance expense and subsidiary stagnation of movement unattended time loss, prolong the service life of brake plate and tire, increase economic efficiency etc.
In the design of retarder and making, must have the braking effect of high pulling torque at loaded vehicle design-calculated retarder, and the volume of the size of moment of torsion and retarder relation in direct ratio, promptly moment of torsion is big more, and the diameter of retarder and volume are just big more.In addition, the design of present homemade heavy duty truck is in order to satisfy its in-use performance, the construction features on chassis are that the position is low, transmission axial length, and the common fault that present domestic retarder exists is that volume is big, radial dimension is big, and highly about 700～750mm that takes up room is because the retarder that is installed on the vehicle is nearer apart from ground, under the road environment condition of severe, retarder stator and friction rotor cause the damage of back axle and change-speed box easily, therefore need to improve invention.
Summary of the invention
The object of the present invention is to provide that a kind of radial dimension is little, the above-below direction occupation space is little and can provide high pulling torque to implement the current vortex retarder of braking.
For achieving the above object, a kind of current vortex retarder provided by the invention, comprise at least two identical retarding devices, retarding device is arranged successively along the axial direction of transmission shaft, retarding device comprises stator and armature, stator is fixed on by support on the chassis of vehicle, and armature links to each other with transmission shaft.
The present invention increases the winding of coil by the number that increases retarding device on the axial direction of transmission shaft, thereby produces bigger brake torque, makes car retardation.In addition, radial dimension of the present invention, above-below direction occupation space retarder more in the past all diminish, and have improved the vehicle braked effect.
Description of drawings
Fig. 1 is a cutaway view of the present invention;
Fig. 2,3,4 is respectively front view, birds-eye view and the cutaway view of medium-height trestle of the present invention;
Fig. 5 is the birds-eye view of rotor of the present invention.
The specific embodiment
A kind of current vortex retarder, comprise at least two retarding devices 10, retarding device 10 is arranged successively along the axial direction of transmission shaft 40, retarding device 10 comprises stator 20 and armature 30, stator 20 is fixed on the chassis of vehicle by support 60, armature 30 links to each other with transmission shaft 40, and the structure space on the size of each retarding device 10 and chassis adapts, as shown in Figure 1.
In conjunction with Fig. 2,3,4, described support 60 comprises the plate body of postponing in the rear and front end of the square upper plate 61 of horizontal arrangement and upper plate 61 belows 62 between two adjacent retarding devices 10.As shown in Figure 2, the arm of angle portion of upper plate 61 offers four altogether can supply bolted connecting bore 611, and the cross section of connecting bore 611 is slotted hole, and this structure can be convenient to support 60 is fixedly mounted on the chassis of vehicle under the situation that guarantees Joint strenght.The center of upper plate 61 offers the through hole 612 that the cross section is slotted hole, and through hole 612 has reduced productive costs simultaneously from having alleviated 60 weight of support to greatest extent.The upper end of plate body 62 is square and the center offers the through hole 621 that the cross section is slotted hole, and through hole 621 is used to alleviate 60 weight of support equally.The lower end profile of plate body 62 is circular-arc and the center offers the through hole 622 that can supply transmission shaft 40 to pass, and through hole 622 has effectively utilized the space of vehicle chassis.The circumferentially even layout of the lower end edge of plate body 62 can supply bolted connecting bore 623.
The rear and front end of described transmission shaft 40 links to each other with back axle with the output shaft of change speed gear box respectively.For convenience of explanation, among the present invention the side at driving engine place is defined as front end.Be positioned at the two ends that part outside two adjacent retarding devices 10 is called transmission shaft 40 on the transmission shaft 40, wherein, an end that links to each other with the output shaft of change speed gear box is transmission shaft 40A, and an end that links to each other with back axle is transmission shaft 40B.
Described stator 20 comprises support 21, along the circumferential well-distributed iron core 22 of support 21 and be coated on many groups of opposite polarity coils 23 on the iron core 22, iron core 22 and coil 23 are by being bolted on the support 21, support 21 is by being bolted on the support 60, armature 30 comprises rotor 31 and coupled rotor flange 32, its external side end is provided with end plate 311, the middle part of end plate 311 is provided with the hole of passing through for transmission shaft 40 312, the edge part in hole 312 links to each other with rotor flange 32, the periphery in hole 312 is evenly distributed with connecting bore 313, the week of end plate 311 upwards is evenly distributed with hole 314, and hole 314 is used to alleviate the weight of rotor 31.Also be provided with on the rotor 31 between the inboard of rotor 31 and the support 60 and be provided with the gap, rotor flange 32 links to each other with transmission shaft 40 by spline flange 70, spline flange 70 and transmission shaft 40 interference fit.
In conjunction with Fig. 1, be provided with bearing 50 between transmission shaft 40 between described two adjacent retarding devices 10 and the support 60, bearing 50 and support 60 interference fit.
The outer peripheral face of described rotor 31 is provided with the radiating gill 314 that diagonally distributes, and in the present invention, the angle of radiating gill 314 and rotor 31 between axially is 35 °, and the sheet number of radiating gill 314 is 70, and this structure can increase the dissipating area of radiating gill 314.
Below one embodiment of the present of invention are further described:
Current vortex retarder is made up of the identical or different retarding device 10 of two or more sizes, each retarding device 10 links to each other with relay respectively, brake pedal links to each other with pressure sensor, pressure sensor output electric signal is to controller, controller drives the actuating of relay by the size of judging pressure, if pressure is less, promptly only need be in the occasion of inside brake among a small circle, the actuating of relay that controller drives links to each other with corresponding single retarding device 10 realizes the function of braking among a small circle by single retarding device 10; On the contrary, if pressure is bigger, i.e. the occasion of braking on a large scale at needs, the actuating of relay that controller drives links to each other with corresponding a plurality of retarding devices 10 is realized the function of braking on a large scale by a plurality of retarding devices 10.This structure has alerting ability, is adapted to the occasion of various brakings.
As mentioned above, core of the present invention is to increase the winding of coil 23 on the stator 20 by the number at increase retarding device 10 on the axial direction of transmission shaft 40, thereby produces bigger brake torque, makes car retardation.In addition, the present invention has made full use of the structure space on chassis, and occupation space retarder more in the past all diminishes on its radial dimension and the above-below direction, has improved the vehicle braked effect.
Claims (7)
1. current vortex retarder, it is characterized in that: comprise at least two retarding devices (10), retarding device (10) is arranged successively along the axial direction of transmission shaft (40), retarding device (10) comprises stator (20) and armature (30), stator (20) is fixed on the chassis of vehicle by support (60), and armature (30) links to each other with transmission shaft (40); Described stator (20) comprises support (21), along the circumferential well-distributed iron core (22) of support (21) and be coated on many groups of opposite polarity coils (23) on the iron core (22), iron core (22) and coil (23) are by being bolted on the support (21), support (21) is by being bolted on the support (60), armature (30) comprises rotor (31) and coupled rotor flange (32), rotor (31) is a cannula-like, its external side end is provided with end plate (311), the middle part of end plate (311) is provided with the hole of passing through for transmission shaft (40) (312), the edge part in hole (312) links to each other with rotor flange (32), the periphery in hole (312) is evenly distributed with connecting bore (313), the week of end plate (311) upwards is evenly distributed with hole (314), be provided with the gap between the inboard of rotor (31) and the support (60), rotor flange (32) links to each other with transmission shaft (40) by spline flange (70), spline flange (70) and transmission shaft (40) interference fit.
2. current vortex retarder according to claim 1 is characterized in that: described support (60) is positioned between two adjacent retarding devices (10) and offers the through hole (622) that can supply transmission shaft (40) to pass on it.
3. current vortex retarder according to claim 1 and 2 is characterized in that: the rear and front end of described transmission shaft (40) links to each other with back axle with the output shaft of change speed gear box respectively.
4. current vortex retarder according to claim 1 and 2 is characterized in that: be provided with bearing (50) between transmission shaft (40) between described two adjacent retarding devices (10) and the support (60).
5. current vortex retarder according to claim 2, it is characterized in that: described support (60) comprises the square upper plate (61) of horizontal arrangement, postpone and plate body arranged (62) in the rear and front end of upper plate (61) below, the arm of angle portion of upper plate (61) offers four can supply bolted connecting bore (611), the cross section of connecting bore (611) is slotted hole, the center of upper plate (61) offers the through hole (612) that the cross section is slotted hole, the upper end of plate body (62) is square and the center offers the through hole (621) that the cross section is slotted hole, the lower end profile of plate body (62) is circular-arc and the center offers the through hole (622) that can supply transmission shaft (40) to pass, and the circumferentially even layout of the lower end edge of plate body (62) can supply bolted connecting bore (623).
6. current vortex retarder according to claim 3 is characterized in that: the outer peripheral face of described rotor (31) is provided with the radiating gill (314) that diagonally distributes.
7. current vortex retarder according to claim 1 is characterized in that: the coil (23) on described each stator (20) is connected with the coil (23) on power supply parallel connection or each stator (20) and is become series loop with power pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007103024084A CN101186183B (en) | 2007-12-20 | 2007-12-20 | Electric eddy speed damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007103024084A CN101186183B (en) | 2007-12-20 | 2007-12-20 | Electric eddy speed damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101186183A CN101186183A (en) | 2008-05-28 |
| CN101186183B true CN101186183B (en) | 2010-04-21 |
Family
ID=39478876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007103024084A Expired - Fee Related CN101186183B (en) | 2007-12-20 | 2007-12-20 | Electric eddy speed damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101186183B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166369A (en) * | 2011-12-13 | 2013-06-19 | 泰乐玛汽车制动系统（上海）有限公司 | Retarder for transport equipment |
| CN103854888B (en) * | 2012-11-30 | 2017-12-19 | 沈阳工业大学 | It is a kind of to have the square permanent-magnet manipulating mechanism of bistable state for being vortexed slow function |
| CN103967609B (en) * | 2014-05-05 | 2016-04-13 | 裘尧云 | The diesel engine of driving can be prevented |
| CN103967608B (en) * | 2014-05-05 | 2016-08-24 | 奉化市远东深海采矿技术研究所 | Prevent the electromagnetic eddy speed-limiting damping device of engine mounted longitudinally racing accident |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3874482A (en) * | 1973-08-11 | 1975-04-01 | Max Baermann | Eddy current and hysteresis brake for track bound vehicles |
| EP0480345A1 (en) * | 1990-10-04 | 1992-04-15 | Pentar S.A. | Eddy-current brake |
| US5115693A (en) * | 1989-10-17 | 1992-05-26 | Labavia - S.G.E. | Transmissions of vehicles equipped with electric retarders |
| CN2543273Y (en) * | 2002-06-02 | 2003-04-02 | 林会明 | Eddy current retarder |
-
2007
- 2007-12-20 CN CN2007103024084A patent/CN101186183B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3874482A (en) * | 1973-08-11 | 1975-04-01 | Max Baermann | Eddy current and hysteresis brake for track bound vehicles |
| US5115693A (en) * | 1989-10-17 | 1992-05-26 | Labavia - S.G.E. | Transmissions of vehicles equipped with electric retarders |
| EP0480345A1 (en) * | 1990-10-04 | 1992-04-15 | Pentar S.A. | Eddy-current brake |
| CN2543273Y (en) * | 2002-06-02 | 2003-04-02 | 林会明 | Eddy current retarder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101186183A (en) | 2008-05-28 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20080620 Address after: Anhui province Hefei City Baohe garden E District 10 building 205 room Applicant after: Chen Chuansong Address before: Baohe Industrial Park in Hefei city of Anhui province by the seven weft five road intersection Applicant before: Hefei Antong Automobile Electronic Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100421 Termination date: 20141220 |
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| EXPY | Termination of patent right or utility model |