CN104467218A - Rotor capable of reducing temperature of eddy current retarder - Google Patents
Rotor capable of reducing temperature of eddy current retarder Download PDFInfo
- Publication number
- CN104467218A CN104467218A CN201410854704.5A CN201410854704A CN104467218A CN 104467218 A CN104467218 A CN 104467218A CN 201410854704 A CN201410854704 A CN 201410854704A CN 104467218 A CN104467218 A CN 104467218A
- Authority
- CN
- China
- Prior art keywords
- supporting surface
- working face
- rotor
- cooling wind
- bearing
- 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
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/02—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type
- H02K49/04—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The invention discloses a rotor capable of reducing temperature of an eddy current retarder. The rotor is mainly designed to solve the problem that in the working process, as the temperature conducted to a rotor flange plate and a transmission bearing of the eddy current retarder by an existing rotor of the eddy current retarder is too high and exceeds the melting point, bearing grease melts easily to cause a bearing failure. The rotor capable of reducing the temperature of the eddy current retarder comprises a working face, a supporting face and a flange plate, wherein the working face, the supporting face and the flange plate are coaxially arranged, the supporting face and the flange plate are connected through a plurality of supporting rib plates, the supporting rib plates and the working face are arranged in the mode that gaps are formed between the supporting rib plates and the working face, and a plurality of heat dissipating fan blades are connected between the working face and the supporting face. According to the rotor capable of reducing the temperature of the eddy current retarder, the temperature conducted to the rotor flange plate can be reduced by about one third, so that the temperature conducted to the transmission bearing of the eddy current retarder is lower than the melting point temperature of the bearing grease, and normal operation of the bearing is ensured.
Description
Technical field
The present invention relates to a kind of current vortex retarder, particularly relate to a kind of rotor reducing electric vortex buffering actuator temperature.
Background technology
At present, large and medium bus and truck multiselect current vortex retarder realize the effect of regulation speed.Current vortex retarder is arranged between automobile drive axle and gearbox, and the active force by current vortex slows down.When the stator coil of current vortex retarder passes into galvanic time, magnetic field can be produced at stator coil, this magnetic field is at adjacent stator core, magnetic pole plate, air gap, a loop is formed between rotor, if now have relative motion between rotor and stator, this motion is just equivalent to conductor at cutting magnetic line, from electromagnetic induction principle, at this time induced current can be produced at conductor, induced current can produce another one Induced magnetic field simultaneously, active force is had between this magnetic field and the magnetic field existed, and the direction of active force is the direction hindering conductor motion forever.The source of retarder braking moment that Here it is.
Current vortex retarder operationally, produces magnetic field after eddy current retarder stators energising, and the eddy current retarder rotor cutting magnetic line of rotary motion produces opposing torque, thus reaches braking object, and electric energy conversion is that thermal energy consumption is fallen in the process.Near the working face of the eddy current retarder rotor in magnetic field, fully loaded use (more than 12 minutes) continuously, temperature reaches as high as 650 DEG C-700 DEG C.The big disk working face of existing eddy current retarder rotor is connected by 8 bearing ribs with roundel supporting surface, the heat that then working face produces is directly conducted on the rotor flange dish that is connected with bearing rib by 8 bearing ribs, and then and conduct on the retarder drive bearing that is connected with rotor flange dish, temperatures as high more than 180 DEG C, easily make bearing grease exceed fusing point and melt, cause bearing to lose lubricating grease and lost efficacy.
Summary of the invention
For the problems referred to above, the invention provides a kind of rotor reducing electric vortex buffering actuator temperature, effectively can reduce the rotor flange dish temperature of current vortex retarder, make the temperature conducting to current vortex retarder transmission shaft bearing lower than bearing grease melting point temperature.
For achieving the above object, the present invention can reduce the rotor of electric vortex buffering actuator temperature, comprise the coaxial working face, supporting surface, the ring flange that arrange, wherein said supporting surface is connected by some bearing ribs with described ring flange, described bearing rib and described working face gap are arranged, and are connected with some cooling wind blades between described working face and described supporting surface.
Further, described cooling wind blade is made up of fan blade connecting portion and fan blade fixed part, and described fan blade connecting portion is arranged between described working face and described supporting surface, and described fan blade connecting portion is connected with described supporting surface, described working face respectively; Described fan blade fixed part is arranged on inside the annulus of described supporting surface, and described fan blade fixed part is connected with described working face.
Further, described bearing rib is made up of the link of boards portion be connected with ring flange and the gusset fixed part that is connected with supporting surface, and described link of boards portion is arranged between described supporting surface and described ring flange; Described gusset fixed part is arranged between described supporting surface and described working face, and described gusset fixed part is connected with described supporting surface, and described gusset fixed part and described working face gap are arranged.
Further, described bearing rib is evenly arranged, and described bearing rib and described cooling wind blade misplace and arrange, and between adjacent two described bearing ribs, correspondence is provided with cooling wind blade described at least one.
Particularly, described supporting surface is connected by 8 bearing ribs with described ring flange, 8 described bearing ribs are evenly arranged, described working face is connected by 16 cooling wind blades with described supporting surface, between adjacent two described bearing ribs, correspondence is provided with two described cooling wind blades, and two described cooling wind blades are evenly arranged.
Particularly, described bearing rib is connected with described ring flange arc transition.
Especially, described cooling wind blade is circular arc platy structure, and described bearing rib is circular arc platy structure; Described cooling wind blade is identical with described bearing rib bending direction, and described cooling wind blade is identical with the radian of described bearing rib.
The present invention can reduce the rotor of electric vortex buffering actuator temperature, is connected by working face with supporting surface by cooling wind blade, and bearing rib is only used for connecting supporting surface and ring flange, and bearing rib and working face gap are arranged, and make bearing rib be suspended on working face.This version, make the heat of high temperature that described working face operationally produces, after some cooling wind blades and the supporting surface that is connected with described cooling wind blade dispel the heat, the more some bearing ribs be connected with described supporting surface and the ring flange be connected with described bearing rib are given in conduction.Compared with form bearing rib is directly connected with working face, supporting surface with traditional current vortex retarder, the present invention can make the temperature being transmitted to eddy current retarder rotor ring flange reduce about 1/3, thus make the temperature conducting to current vortex retarder transmission shaft bearing lower than bearing grease melting point temperature, ensure the normal operation of bearing.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention can reduce the rotor of electric vortex buffering actuator temperature;
Fig. 2 is that the present invention can reduce the A-A of the rotor of electric vortex buffering actuator temperature to cutaway view;
Fig. 3 is that the present invention can reduce the C-C of the rotor of electric vortex buffering actuator temperature to cutaway view;
Fig. 4 is the 3-D solid structure schematic diagram of the rotor that can reduce electric vortex buffering actuator temperature.
Embodiment
Below in conjunction with Figure of description, the present invention will be further described.
As Figure 1-4, the present invention can reduce the rotor of electric vortex buffering actuator temperature, comprise the coaxial working face 1, supporting surface 2 and the ring flange 3 that arrange, wherein said working face 1 is connected by 16 cooling wind blades 4 with described supporting surface 2, described supporting surface 2 is connected by 8 bearing ribs 5 with described ring flange 3, described bearing rib 5 is only connected with described supporting surface 2, and described bearing rib 5 is suspended on described working face 1, is namely provided with gap 6 between described bearing rib 5 and described working face 1.
Each described cooling wind blade 4 is made up of fan blade connecting portion and fan blade fixed part, and described fan blade connecting portion is arranged between described working face 1 and described supporting surface 2, and described fan blade connecting portion is connected with described supporting surface 2, described working face 1 respectively; Described fan blade fixed part is arranged on inside the annulus of described supporting surface 2, and described fan blade fixed part is connected with described working face 1.
Each described bearing rib 5 is made up of the link of boards portion be connected with ring flange 3 and the gusset fixed part that is connected with described supporting surface 2, and described link of boards portion is arranged between described supporting surface 2 and described ring flange 3; Described gusset fixed part is arranged between described supporting surface 2 and described working face 1, and described gusset fixed part is connected with described supporting surface 2, and described gusset fixed part and described working face 1 gap are arranged.
Described bearing rib 5 is evenly arranged, and described brace rod 5 misplaces with described cooling wind blade 4 and arranges, and between adjacent two described bearing ribs 5, correspondence is provided with two described cooling wind blades 4, and these two described cooling wind blades 4 are evenly arranged.
Described cooling wind blade 4 is in circular arc platy structure, and described bearing rib 5 is in circular arc platy structure; Described cooling wind blade 4 is identical with the bending direction of described bearing rib 5, and described cooling wind blade 4 is identical with the radian of described bearing rib 5.
Described bearing rib 5 is connected with described ring flange 3 arc transition.
The present invention can reduce the operation principle of the rotor of electric vortex buffering actuator temperature: produce magnetic field after eddy current retarder stators energising, and eddy current retarder rotor (the i.e. described working face 1) cutting magnetic line of rotary motion produces heat of high temperature.Heat is transmitted on bearing rib 5 after cooling wind blade 4 and supporting surface 2 dispel the heat, and is transmitted on ring flange 3, heat of high temperature is progressively reduced after bearing rib 5 dispels the heat again.Thus make to be transmitted to be connected to ring flange 3 retarder bead, mandrel, on bearing and transmission shaft flange dish, the corresponding reduction of temperature on bearing.
By said structure form, the rotor that the present invention can reduce electric vortex buffering actuator temperature effectively can reduce the rotor flange dish temperature of current vortex retarder, the form be directly connected with supporting surface with working face with traditional bearing rib is compared, the temperature of the rotor flange dish being transmitted to current vortex retarder can be made to reduce about 1/3, thus make the bearing temperature conducting to retarder transmission shaft lower than bearing grease melting point temperature, ensure the normal operation of bearing.
In addition, the number that arranges of bearing rib described in above-described embodiment and described cooling wind blade is only preferred number in the present embodiment, but the number that arranges of bearing rib described in the present invention and described cooling wind blade is not only confined to arrange number in above-described embodiment, can adjust according to the actual requirements.
Above; be only preferred embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection range that protection scope of the present invention should define with claim is as the criterion.
Claims (9)
1. one kind can be reduced the rotor of electric vortex buffering actuator temperature, comprise the coaxial working face, supporting surface, the ring flange that arrange, it is characterized in that: described supporting surface is connected by some bearing ribs with described ring flange, described bearing rib and described working face gap are arranged, and are connected with some cooling wind blades between described working face and described supporting surface.
2. the rotor reducing electric vortex buffering actuator temperature according to claim 1, it is characterized in that: described cooling wind blade is made up of fan blade connecting portion and fan blade fixed part, described fan blade connecting portion is arranged between described working face and described supporting surface, and described fan blade connecting portion is connected with described supporting surface, described working face respectively; Described fan blade fixed part is arranged on inside the annulus of described supporting surface, and described fan blade fixed part is connected with described working face.
3. the rotor reducing electric vortex buffering actuator temperature according to claim 1, it is characterized in that: described bearing rib is made up of the link of boards portion be connected with ring flange and the gusset fixed part that is connected with supporting surface, and described link of boards portion is arranged between described supporting surface and described ring flange; Described gusset fixed part is arranged between described supporting surface and described working face, and described gusset fixed part is connected with described supporting surface, and described gusset fixed part and described working face gap are arranged.
4. the rotor reducing electric vortex buffering actuator temperature according to claim 1, it is characterized in that: described bearing rib is evenly arranged, described bearing rib and described cooling wind blade misplace and arrange, and between adjacent two described bearing ribs, correspondence is provided with cooling wind blade described at least one.
5. the rotor reducing electric vortex buffering actuator temperature according to claim 1, is characterized in that: described supporting surface is connected by 8 bearing ribs with described ring flange, and 8 described bearing ribs are evenly arranged.
6. the rotor reducing electric vortex buffering actuator temperature according to claim 1, is characterized in that: described working face is connected by 16 cooling wind blades with described supporting surface.
7. the rotor of the reduced electric vortex buffering actuator temperature according to claim 5 and 6, is characterized in that: between adjacent two described bearing ribs, correspondence is provided with two described cooling wind blades, and two described cooling wind blades are evenly arranged.
8. the rotor reducing electric vortex buffering actuator temperature according to claim 1, is characterized in that: described cooling wind blade is circular arc platy structure, and described bearing rib is circular arc platy structure; Described cooling wind blade is identical with the bending direction of described bearing rib, and described cooling wind blade is identical with the radian of described bearing rib.
9. the rotor reducing electric vortex buffering actuator temperature according to claim 1, is characterized in that: described bearing rib is connected with described ring flange arc transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410854704.5A CN104467218A (en) | 2014-12-31 | 2014-12-31 | Rotor capable of reducing temperature of eddy current retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410854704.5A CN104467218A (en) | 2014-12-31 | 2014-12-31 | Rotor capable of reducing temperature of eddy current retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104467218A true CN104467218A (en) | 2015-03-25 |
Family
ID=52912790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410854704.5A Pending CN104467218A (en) | 2014-12-31 | 2014-12-31 | Rotor capable of reducing temperature of eddy current retarder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104467218A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026611A (en) * | 2016-05-17 | 2016-10-12 | 江苏理工学院 | Liquid-cooled birotor permanent magnet retarder |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0235036A1 (en) * | 1986-02-21 | 1987-09-02 | Labavia S.G.E. | Induced rotors of electromagnetic brakes |
| CN201994823U (en) * | 2011-01-30 | 2011-09-28 | 凯迈（江苏）机电有限公司 | Rotor plate for eddy current retarder |
| CN202424351U (en) * | 2012-01-11 | 2012-09-05 | 江西波星机械泵阀制造有限公司 | Rotor structure of eddy current retarder |
-
2014
- 2014-12-31 CN CN201410854704.5A patent/CN104467218A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0235036A1 (en) * | 1986-02-21 | 1987-09-02 | Labavia S.G.E. | Induced rotors of electromagnetic brakes |
| CN201994823U (en) * | 2011-01-30 | 2011-09-28 | 凯迈（江苏）机电有限公司 | Rotor plate for eddy current retarder |
| CN202424351U (en) * | 2012-01-11 | 2012-09-05 | 江西波星机械泵阀制造有限公司 | Rotor structure of eddy current retarder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026611A (en) * | 2016-05-17 | 2016-10-12 | 江苏理工学院 | Liquid-cooled birotor permanent magnet retarder |
| CN106026611B (en) * | 2016-05-17 | 2018-04-03 | 江苏理工学院 | A kind of liquid-cooled birotor permanent magnetic retarder |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |
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| WD01 | Invention patent application deemed withdrawn after publication |