CN104553823A - Eddy current retarder mounted on vehicle transmission shaft - Google Patents
Eddy current retarder mounted on vehicle transmission shaft Download PDFInfo
- Publication number
- CN104553823A CN104553823A CN201310467269.6A CN201310467269A CN104553823A CN 104553823 A CN104553823 A CN 104553823A CN 201310467269 A CN201310467269 A CN 201310467269A CN 104553823 A CN104553823 A CN 104553823A
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- transmission shaft
- stator
- rotor
- current vortex
- retarder
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- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The invention discloses an eddy current retarder mounted on a vehicle transmission shaft. The eddy current retarder is characterized by comprising a stator, a rotor, a rotor shaft sleeve and a magnetic conducting ring, wherein the stator is used for generating a magnetic field, and is fixed on a stator shaft sleeve; the rotor is only positioned at one side of the stator, and is fixed on the rotor shaft sleeve; the rotor shaft sleeve is connected with the vehicle transmission shaft; and the magnetic conducting ring is positioned at the other side of the stator, and is used for guiding the magnetic field.
Description
Technical field
The present invention relates to a kind of parts for facilities for transport and communication, particularly relate to a kind of current vortex retarder being installed on vehicular transmission shaft.
Background technology
Current vortex retarder is a kind of auxiliary brake device for automobile.This device is arranged on the transmission shaft between automobile drive axle and change speed gear box, realizes no touch braking by electromagnetic induction principle.Current vortex retarder can provide powerful lock torque in a quite wide range of speed, and then produces and avoid the malfunctioning and potential safety hazard such as to blow out of running out the way, conventional brake, is therefore widely used in self-propelled vehicle, particularly on truck conspicuity marking.As shown in fig. 1, current vortex retarder is made up 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 on iron core by coil winding.Rotor 1 is connected with transmission shaft (not shown) by rotor adjustment pad 3.This current vortex retarder and automotive interior miscellaneous part for fixed stator 2, and fix by bracing frame 4.
Fig. 2 is common a kind of current vortex retarder in prior art, and this current vortex retarder is installed on change speed gear box or on back axle flange usually, and the connection of its outside adopts 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, change speed gear box output flange 7, support check screw 8, change speed gear box 9.Stator 2 is fixed on support 4, and is connected with change speed gear box 9 by support check screw 8, and rotor 1 is fixed by connecting screw 6 and transmission shaft flange 5.Use the current vortex retarder of this mounting means to be applied on the longer bus of vehicle body and other passenger vehicle more.Retarder carriage interface do not had for change speed gear box bonnet or has the vehicle of power takeoff, using current vortex retarder just must change mounting means.
As shown in Figure 3, Fig. 3 is another kind of common current vortex retarder in prior art, and this current vortex retarder is installed and without the need to being fixedly connected with change speed gear box or back axle on transmission shaft.This current vortex retarder comprises rotor 1, stator 2, transmission shaft 11 and transmission shaft butt flange 10.The transmission shaft 11 of this current vortex retarder is directly installed in the middle of vehicular transmission shaft by its flange 10, can use this kind of retarder under less vehicle body space.This retarder comprises two rotors 1 being positioned at stator 2 two ends.When this retarder works, former and later two rotors 1 rotate simultaneously, on some dillies, the rigidity of its transmission shaft is lower, because the rotor inertia of retarder rotor is large, mated not at that time with retarder rotor inertia at vehicular transmission shaft, driving system can twist vibration, thus the noise produced, affects the service life of vehicle riding comfort and driving system parts.
Summary of the invention
In order to overcome the defect existed in prior art, the invention provides a kind of effective elimination causes itself vibrates current vortex retarder because rotor inertia is excessive.
In order to realize foregoing invention object, the present invention discloses a kind of current vortex retarder being installed on vehicular transmission shaft, it is characterized in that, comprising: a stator, and for generation of a magnetic field, this stator is fixed on a stator axle sleeve; One rotor, this rotor is only positioned at the side of this stator; This rotor is fixed on this rotor axle sleeve, and this rotor axle sleeve is connected with this vehicular transmission shaft; One magnetic guiding loop, this magnetic guiding loop is positioned at the opposite side of this stator, for guiding this magnetic field.
Further, this magnetic guiding loop is connected with a stator disc.This magnetic guiding loop and a stator disc one-body molded.This magnetic guiding loop welds with this stator disc or rivets.This magnetic guiding loop is made up of permeability magnetic material, and this stator disc is made up of non-magnet material.
Compared with prior art, the current vortex retarder being installed on vehicular transmission shaft disclosed in this invention, can effectively eliminate when vehicle speed variation travels, the vibration that former and later two rotors occur; And this retarder is directly installed on the transmission shaft of vehicle, and does not need change speed gear box or back axle to be fixedly connected with, and makes can greatly increasing by range of use of this retarder.
Accompanying drawing explanation
Can be further understood by following detailed Description Of The Invention and institute's accompanying drawings about the advantages and spirit of the present invention.
Fig. 1 is the structural representation of current vortex retarder;
Fig. 2 is installed on change speed gear box or the structural representation of current vortex retarder on back axle flange in prior art;
Fig. 3 is the structural representation of the current vortex retarder be installed in prior art on transmission shaft;
Fig. 4 is the structural representation of the current vortex retarder on transmission shaft involved in the present invention.
Detailed description of the invention
The current vortex retarder being installed on transmission shaft of a kind of specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing.But, the present invention should be understood as and be not limited to this embodiment described below, and technical concept of the present invention can combine with other known technologies or function other technologies identical with those known technologies and implements.
In the following description, in order to clear displaying structure of the present invention and mode of operation, to be described by many Directional words, but by the Word Understanding such as "front", "rear", "left", "right", " outward ", " interior ", " outwards ", " inwardly ", " axis ", " radial direction " for convenience of term, and word of limitation should do not should be understood to.
The retarder used in prior art generally includes right two rotors of a first from left, the advantage done like this is the heat-sinking capability increasing brake torque and rotor, by retarder being installed on the space, chassis that transmission shaft can maximally utilise vehicle, but through applicant's experimental study, it is excessive that the current vortex retarder be installed on transmission shaft there will be transmission inertia in vehicle speed variation driving process, and cause the consequence of retarder abnormal vibrations.In order to solve this technical problem, the invention provides a kind of current vortex retarder of single rotor.
Fig. 4 is the structural representation of the current vortex retarder on transmission shaft involved in the present invention.As shown in Figure 4, current vortex retarder provided by the present invention, is installed on transmission shaft 24.Wherein this current vortex retarder is connected with stator 20 by a stator axle sleeve 25.The two ends of this transmission shaft 24 connect a flange 26 respectively.Owing to adopting the structure of single rotor 21, when vehicle acceleration or the Reduced Speed Now of installing this retarder, there is the vibration occurred because inertia is excessive between the rotor that simultaneously can not rotate at two, therefore while effectively containing rotor inertia, reduce the vibration that retarder self produces.
In this retarder, rotor 21 is positioned at one end of stator 20, and the other end is magnetic guiding loop 23.The stator 20 of current vortex retarder is normally wound on iron core by electrified wire to be made, and therefore needs magnetic guiding loop 23 to guide to form a unimpeded magnetic circuit.A kind of embodiment provided by the invention is that stator disc 22 adopts non-magnet material to make, and magnetic guiding loop 23 is permeability magnetic material, then is connected with stator disc 22 in the mode of welding or riveted joint by magnetic guiding loop 23.In another kind of better embodiment, stator disc 22 and magnetic guiding loop 23 are made by permeability magnetic material, and are directly processed into a part, and the advantage done like this is the time of setting up cost can saving retarder.
Compared with prior art, the current vortex retarder being installed on vehicular transmission shaft disclosed in this invention, can effectively eliminate when vehicle speed variation travels, the vibration that former and later two rotors occur; And this retarder is directly installed on the transmission shaft of vehicle, and does not need change speed gear box or back axle to be fixedly connected with, and makes can greatly increasing by range of use of this retarder.
Just preferred embodiment of the present invention described in this specification sheets, 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 (5)
1. be installed on a current vortex retarder for vehicular transmission shaft, it is characterized in that, comprising:
One stator, for generation of a magnetic field, described stator is fixed on a stator axle sleeve;
One rotor, described rotor is only positioned at the side of described stator; Described rotor is fixed on described rotor axle sleeve, and described rotor axle sleeve is connected with described vehicular transmission shaft;
One magnetic guiding loop, described magnetic guiding loop is positioned at the opposite side of described stator, for guiding described magnetic field.
2. be installed on the current vortex retarder of vehicular transmission shaft as claimed in claim 1, it is characterized in that, described magnetic guiding loop is connected with a stator disc.
3. be installed on the current vortex retarder of vehicular transmission shaft as claimed in claim 1, it is characterized in that, described magnetic guiding loop and a stator disc one-body molded.
4. be installed on the current vortex retarder of vehicular transmission shaft as claimed in claim 2, it is characterized in that, described magnetic guiding loop welds with described stator disc or rivets.
5. be installed on the current vortex retarder of vehicular transmission shaft as claimed in claim 2, it is characterized in that, described magnetic guiding loop is made up of permeability magnetic material, and described stator disc is made up of non-magnet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310467269.6A CN104553823A (en) | 2013-10-09 | 2013-10-09 | Eddy current retarder mounted on vehicle transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310467269.6A CN104553823A (en) | 2013-10-09 | 2013-10-09 | Eddy current retarder mounted on vehicle transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104553823A true CN104553823A (en) | 2015-04-29 |
Family
ID=53071262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310467269.6A Pending CN104553823A (en) | 2013-10-09 | 2013-10-09 | Eddy current retarder mounted on vehicle transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104553823A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111301176A (en) * | 2018-12-12 | 2020-06-19 | 丰田自动车株式会社 | Electric drive device for vehicle |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1147373A (en) * | 1965-09-16 | 1969-04-02 | Labavia | Improvements in or relating to vehicle transmissions including an eddy current retarder |
| CN1812233A (en) * | 2006-03-03 | 2006-08-02 | 北京工业大学 | Permanent-magnet eddy current retarder for vehicle |
| CN101030725A (en) * | 2006-03-02 | 2007-09-05 | 赵典军 | Speed inhibitor for automobile |
| CN201051709Y (en) * | 2007-04-25 | 2008-04-23 | 扬州市洪泉实业有限公司 | Single-rotor side-mounted eddy current retarder |
| CN202602514U (en) * | 2012-03-27 | 2012-12-12 | 泰乐玛汽车制动系统（上海）有限公司 | An eddy current brake and transit equipment using the same |
| CN202679216U (en) * | 2011-12-13 | 2013-01-16 | 泰乐玛汽车制动系统（上海）有限公司 | Retarder with self-generating function |
| CN203219163U (en) * | 2012-12-19 | 2013-09-25 | 泰乐玛汽车制动系统（上海）有限公司 | Stator for retarder on vehicles and retarder |
| CN203496698U (en) * | 2013-10-09 | 2014-03-26 | 泰乐玛汽车制动系统（上海）有限公司 | Eddy current retarder installed on vehicle transmission shaft |
-
2013
- 2013-10-09 CN CN201310467269.6A patent/CN104553823A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1147373A (en) * | 1965-09-16 | 1969-04-02 | Labavia | Improvements in or relating to vehicle transmissions including an eddy current retarder |
| CN101030725A (en) * | 2006-03-02 | 2007-09-05 | 赵典军 | Speed inhibitor for automobile |
| CN1812233A (en) * | 2006-03-03 | 2006-08-02 | 北京工业大学 | Permanent-magnet eddy current retarder for vehicle |
| CN201051709Y (en) * | 2007-04-25 | 2008-04-23 | 扬州市洪泉实业有限公司 | Single-rotor side-mounted eddy current retarder |
| CN202679216U (en) * | 2011-12-13 | 2013-01-16 | 泰乐玛汽车制动系统（上海）有限公司 | Retarder with self-generating function |
| CN202602514U (en) * | 2012-03-27 | 2012-12-12 | 泰乐玛汽车制动系统（上海）有限公司 | An eddy current brake and transit equipment using the same |
| CN203219163U (en) * | 2012-12-19 | 2013-09-25 | 泰乐玛汽车制动系统（上海）有限公司 | Stator for retarder on vehicles and retarder |
| CN203496698U (en) * | 2013-10-09 | 2014-03-26 | 泰乐玛汽车制动系统（上海）有限公司 | Eddy current retarder installed on vehicle transmission shaft |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111301176A (en) * | 2018-12-12 | 2020-06-19 | 丰田自动车株式会社 | Electric drive device for vehicle |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150429 |
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| RJ01 | Rejection of invention patent application after publication |