CN203206094U - An eddy current retarder and a traffic apparatus using the same - Google Patents
An eddy current retarder and a traffic apparatus using the same Download PDFInfo
- Publication number
- CN203206094U CN203206094U CN2013200979747U CN201320097974U CN203206094U CN 203206094 U CN203206094 U CN 203206094U CN 2013200979747 U CN2013200979747 U CN 2013200979747U CN 201320097974 U CN201320097974 U CN 201320097974U CN 203206094 U CN203206094 U CN 203206094U
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- China
- Prior art keywords
- rolling bearing
- stator
- rotor
- axle sleeve
- current vortex
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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 utility model discloses an eddy current retarder and a traffic apparatus using the same. The eddy current retarder comprises a stator and a rotor. The stator is fixed on a stator shaft sleeve. The rotor is fixed on a rotor shaft sleeve. The stator shaft sleeve is connected with the rotor shaft sleeve through an antifriction bearing. The outer ring of the antifriction bearing is connected with the stator shaft sleeve. The inner ring of the antifriction bearing is connected with the rotor shaft sleeve. The antifriction bearing comprises a sealing ring used for preventing lubricant from leaking.
Description
Technical field
The utility model relates to a kind of parts for facilities for transport and communication, relates in particular to a kind of current vortex retarder and uses the transit equipment of this current vortex retarder.
Background technology
Current vortex retarder is a kind of auxiliary brake device for automobile.This device is installed between automobile drive axle and the gearbox, realizes contactless braking by electromagnetic induction principle.Current vortex retarder can provide powerful braking moment in a quite wide range of speeds, and then produces and to avoid running out the way, traditional brake failure and the potential safety hazard such as blow out, and therefore is widely used on the motor vehicle, particularly truck conspicuity marking.As shown in fig. 1, current vortex retarder is comprised of rotor 1, stator 2, rotor adjustment pad 3 and bracing frame 4.Stator 2 comprises usually being arranged by certain position relation by even number of poles and forms.Each magnetic pole is made at iron core by coil winding.Rotor 1 is adjusted pad 3 by rotor and is connected with the power transmission shaft (not shown).Bracing frame 4 is used for fixed stator 2, and this current vortex retarder and automotive interior miscellaneous part are fixed.
Fig. 2 is common a kind of current vortex retarder in the prior art, and this current vortex retarder is installed on the gearbox or on the back axle usually, and the connection of its outside is adopted and is rigidly connected.As shown in Figure 2, this current vortex retarder comprises: rotor 1, stator 2, support 4, transmission shaft flange 5, connecting screw 6, gearbox output flange 7, support fixed screw 8, gearbox 9.Stator 2 is fixed on the support 4, and is connected with gearbox 9 by support fixed screw 8, and rotor 1 fixes by connecting screw 6 and transmission shaft flange 5.
Fig. 3 is another kind of common current vortex retarder in the prior art, and this current vortex retarder is installed and be need not to be fixedly connected with gearbox or back axle at power transmission shaft.This current vortex retarder comprises rotor 1, stator 2, power transmission shaft 11 and power transmission shaft adpting flange 10.Rotor 1 is connected with power transmission shaft 11 by adpting flange 10.The inner ring of rolling bearing 20 is connected with rotor 1, rotates with rotor 1, and the outer ring is connected with stator 2.The direction of the close rotor of this rolling bearing 40 comprises a sealing chute ring 43, sealing ring 41 and snap ring 42.Wherein sealing ring 41 is used for preventing the lubricant leakage of taper roller bearing 40, and snap ring 42 is used for fixedly sealing circle 41.Structure shown in Figure 3 is very complicated, and needed parts are many, and causes assembling process complicated.
Summary of the invention
In order to overcome the defective that exists in the prior art, the purpose of this utility model is to provide a kind of lower-cost current vortex retarder simple in structure.
In order to realize the foregoing invention purpose, the utility model discloses a kind of current vortex retarder, comprise stator and rotor, this stator is fixed on the stator axle sleeve, this rotor is fixed on the rotor axle sleeve, connects by rolling bearing between this stator axle sleeve and the rotor axle sleeve, and the outer ring of this rolling bearing is connected with this stator axle sleeve, the inner ring of this rolling bearing is connected with this rotor axle sleeve, and this rolling bearing comprises that a sealing ring is to prevent lubricant leakage.
Further, this rolling bearing is a taper roller bearing.This rolling bearing comprises that also a retainer is used for preventing that tapper from moving.One end of sealing circle is fixedly connected with the outer ring of this rolling bearing, and the inner ring of the other end and this rolling bearing is fitted.
The utility model discloses a kind of transit equipment simultaneously, this transit equipment comprises a current vortex retarder, this current vortex retarder comprises stator and rotor, this stator is fixed on the stator axle sleeve, this rotor is fixed on the rotor axle sleeve, connects by rolling bearing between this stator axle sleeve and the rotor axle sleeve, and the outer ring of this rolling bearing is connected with this stator axle sleeve, the inner ring of this rolling bearing is connected with this rotor axle sleeve, and this rolling bearing comprises that a sealing ring leaks to prevent lubricating grease.
Further, this rolling bearing is a taper roller bearing.This rolling bearing comprises that also a retainer is used for preventing that tapper from moving.One end of sealing circle is fixedly connected with the outer ring of this rolling bearing, and the widened section of the inner ring of the other end and this rolling bearing slides and fits.
Compared with the prior art, the disclosed current vortex retarder of the technical program does not need to use snap ring and sealing chute ring, and structure is more succinct, and realizes cost and simple installation.
Description of drawings
Can be by following detailed Description Of The Invention and appended graphic being further understood about advantage of the present utility model and spirit.
Fig. 1 is current vortex retarder theory structure schematic diagram;
Fig. 2 is the structural representation of one of current vortex retarder common in the prior art;
Fig. 3 is two structural representation of current vortex retarder common in the prior art;
Fig. 4 is the structural representation of the related current vortex retarder of the utility model;
Fig. 5 is the structural representation of the rolling bearing of the related current vortex retarder of the utility model.
Embodiment
Describe the current vortex retarder of a kind of specific embodiment of the present utility model in detail below in conjunction with accompanying drawing.Yet, the utility model should be understood as and be not limited to this execution mode described below, and the other technologies combination that technical concept of the present utility model can be identical with those known technologies with other known technologies or function is implemented.
In the following description, for clear structure of the present utility model and the working method of showing, to be described by all multidirectional words, but should be with Word Understandings such as 'fornt', 'back', " left side ", " right side ", " outward ", " interior ", " outwards ", " inwardly ", " axially ", " radially " for making things convenient for term, and not should be understood to word of limitation.
The purpose of this utility model is to provide a kind of current vortex retarder, this current vortex retarder compared with prior art, this current vortex retarder does not use flange and power transmission shaft, and simple in structure, the parts that need are few, assemble required cost lower.The shown current vortex retarder of the utility model, comprise stator and rotor, stator is fixed on the stator axle sleeve, rotor is fixed on the rotor axle sleeve, connect by rolling bearing between stator axle sleeve and the rotor axle sleeve, the inner ring of this rolling bearing is connected with rotor axle sleeve, and rolling bearing comprises that a sealing ring is to prevent lubricant leakage.
As shown in Figure 4, Fig. 4 is the structural representation of the related current vortex retarder of the utility model.This current vortex retarder is comprised of stator 21 and rotor 22.When current vortex retarder was worked, stator 21 produced magnetic field, and cutting magnetic line produced induced current when rotor 22 rotated, and stator 21 applies an electromagnetic force to rotor 22, thereby produced braking moment.Stator 21 is fixed together with stator axle sleeve 24, and wherein the stator axle sleeve is positioned at the inboard.Because it is one cylindrical that the shape of current vortex retarder is haply, " inboard " of indication refers to the side near this cylindrical center axle in the utility model, and " outside " refers to the side away from this cylindrical center axle accordingly.In the present embodiment, stator 21 adopts the mode of bolt and nuts to fix with stator axle sleeve 24, and in fact, those of ordinary skills should know together the mode that two parts are fixed in that also has other, such as welding.When this current vortex retarder work, stator 21 keeps relative fixing with stator axle sleeve 24.
Keep certain air gap (not shown) between rotor 22 and the stator 21.This rotor 22 fixing with rotor axle sleeve 25 on.In the present embodiment, rotor 22 adopts the mode of bolt and nuts to fix with rotor axle sleeve 25, and in fact, those of ordinary skills should know together the mode that two parts are fixed in that also has other, such as welding.This rotor axle sleeve 25 is cylindrical objects of a hollow, and cavity 26 is almost consistent with the center of this current vortex retarder.
This rolling bearing 30 is preferably a taper roller bearing.This taper roller bearing comprises an inner ring 35 and an outer ring 33, and this inner ring 35 is connected with rotor axle sleeve, and outer ring 33 is connected with the stator axle sleeve.This taper roller bearing also comprises a retainer 34.Fill solid lubrication fat in the space of taper roller bearing 30, the normal use for the miscellaneous part that prevents this kollag leakage contribution retarder is provided with a sealing ring 32.One end of sealing ring 32 is fixedly connected with outer ring 33, and the other end and inner ring 35 are close to.The inner ring 35 of this taper roller bearing has a mind to widen when design, and its widened section and described sealing ring 34 are slidingly matched, to reach the purpose of sealing.As shown in Figure 5, the cross section of sealing circle 34 is one "] " shape, the benefit of doing like this is better to prevent that kollag from leaking.
Compared with prior art, the disclosed current vortex retarder of the technical program does not need to use snap ring and sealing chute ring, and structure is more succinct, and realizes cost and simple installation.
Described in this specification is preferred embodiment of the present invention, and above embodiment is only in order to illustrate technical scheme of the present invention but not limitation of the present invention.All those skilled in the art all should be within the scope of the present invention under this invention's idea by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (9)
1. current vortex retarder, comprise stator and rotor, it is characterized in that, described stator is fixed on the stator axle sleeve, described rotor is fixed on the rotor axle sleeve, connects by rolling bearing between described stator axle sleeve and the rotor axle sleeve, and the outer ring of described rolling bearing is connected with described stator axle sleeve, the inner ring of described rolling bearing is connected with described rotor axle sleeve, and described rolling bearing comprises that a sealing ring is to prevent lubricant leakage.
2. current vortex retarder as claimed in claim 1 is characterized in that, described rolling bearing is a taper roller bearing.
3. current vortex retarder as claimed in claim 1 is characterized in that, described rolling bearing comprises that also a retainer is used for preventing that tapper from moving.
4. current vortex retarder as claimed in claim 1 is characterized in that, an end of described sealing ring is fixedly connected with the outer ring of described rolling bearing, and the inner ring of the other end and described rolling bearing is fitted.
5. transit equipment, it is characterized in that, described transit equipment comprises a current vortex retarder, described current vortex retarder comprises stator and rotor, described stator is fixed on the stator axle sleeve, described rotor is fixed on the rotor axle sleeve, connect by rolling bearing between described stator axle sleeve and the rotor axle sleeve, the outer ring of described rolling bearing is connected with described stator axle sleeve, the inner ring of described rolling bearing is connected with described rotor axle sleeve, and described rolling bearing comprises that a sealing ring is to prevent lubricant leakage.
6. transit equipment as claimed in claim 5 is characterized in that, described rolling bearing is a taper roller bearing.
7. transit equipment as claimed in claim 5 is characterized in that, described rolling bearing comprises that also a retainer is used for preventing that tapper from moving.
8. transit equipment as claimed in claim 5 is characterized in that, an end of described sealing ring and the outer ring secure fit of described rolling bearing, and the inner ring of the other end and described rolling bearing is fitted.
9. transit equipment as claimed in claim 5 is characterized in that, the inner ring of described rolling bearing is widened, and described widened section and described sealing ring are slidingly matched, to realize sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200979747U CN203206094U (en) | 2013-03-04 | 2013-03-04 | An eddy current retarder and a traffic apparatus using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200979747U CN203206094U (en) | 2013-03-04 | 2013-03-04 | An eddy current retarder and a traffic apparatus using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203206094U true CN203206094U (en) | 2013-09-18 |
Family
ID=49150154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200979747U Expired - Lifetime CN203206094U (en) | 2013-03-04 | 2013-03-04 | An eddy current retarder and a traffic apparatus using the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203206094U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967608A (en) * | 2014-05-05 | 2014-08-06 | 奉化市远东深海采矿技术研究所 | Electromagnetic eddy-current damping speed-limiting device for preventing engine run-away accident |
| CN104578683A (en) * | 2013-10-09 | 2015-04-29 | 泰乐玛汽车制动系统（上海）有限公司 | Eddy current retarder |
| CN107791849A (en) * | 2016-08-31 | 2018-03-13 | 泰乐玛汽车制动系统（上海）有限公司 | A kind of middle retarder |
-
2013
- 2013-03-04 CN CN2013200979747U patent/CN203206094U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104578683A (en) * | 2013-10-09 | 2015-04-29 | 泰乐玛汽车制动系统（上海）有限公司 | Eddy current retarder |
| CN103967608A (en) * | 2014-05-05 | 2014-08-06 | 奉化市远东深海采矿技术研究所 | Electromagnetic eddy-current damping speed-limiting device for preventing engine run-away accident |
| CN107791849A (en) * | 2016-08-31 | 2018-03-13 | 泰乐玛汽车制动系统（上海）有限公司 | A kind of middle retarder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130918 |