CN202652040U - Eddy current transmission - Google Patents
Eddy current transmission Download PDFInfo
- Publication number
- CN202652040U CN202652040U CN 201220222537 CN201220222537U CN202652040U CN 202652040 U CN202652040 U CN 202652040U CN 201220222537 CN201220222537 CN 201220222537 CN 201220222537 U CN201220222537 U CN 201220222537U CN 202652040 U CN202652040 U CN 202652040U
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- dish position
- dish
- fixedly connected
- speed changer
- rotation axis
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Abstract
The utility model discloses an eddy current transmission, which comprises a first rotating shaft, a second rotating shaft, a rotating frame, an inner rotor assembly with a central rotary disk, a driving mechanism, two conductive rings and two magnetic rotors, wherein the driving mechanism comprises an outer sleeve and an inner sleeve which are sleeved on the second rotating shaft, the inner side the outer sleeve is provided with a cam, the circumference of the inner sleeve is provided with a groove, the outer sleeve is sleeved outside the inner sleeve, and the cam extends into the groove. Through the sliding of the cam in the groove, the outer sleeve is driven to move along the axial direction of the second rotating shaft, then a fourth disk position is driven to move axially, and finally a third disk position and the fourth disk position outside the inner rotor assembly move relative to a first disk position and the third disk position to change the size of a gap and to control the output rotational speed. The eddy current transmission can be suitable for different site installation requirements through the arrangement of the conductive rings and the magnetic rotors in different disk positions.
Description
Technical field
The utility model relates to the eddy current transmission technology, more particularly, relates to a kind of vortex speed changer.
Background technology
Jockey between existing driving shaft and the bearing axle is generally the mechanical parts of shaft coupling or reduction box and so on, namely is hard the connection between two axles, when drive shaft turns, drives bearing axle by hard jockey and rotates.But, since between driving shaft and the bearing axle for firmly to be connected so that it needs accurate centering, thereby need the raising accuracy of manufacture, and vibrate greatly.And the eddy current transmission technology is called for short ECT; it is a up-to-date in recent years revolutionary drive technology; this technology has energy-efficient; environmental protection; the advantages such as high reliability can satisfy in the industrial production production equipment safety, reliable, less trouble and reduce the requirement such as maintenances, thus the long-term operation of realization production system; reduce and shut down the maintenance number of times, enhance productivity.The overall application of this technology can be brought huge economic benefit and social benefit.China Patent No. discloses a kind of vortex speed changer that is comprised of driving shaft, bearing axle, conductor rotor assembly, magnetic rotor component and driving mechanism etc. for " vortex speed changer " of " 201120133126.8 "; link by the vortex flow induced field between driving shaft and the bearing axle; realized between the diaxon being flexible coupling; can automatically transship and cross torque protection, and diaxon precisely centering and the effective advantage such as reduction vibrations.But this scheme noise is large, cooling effect is poor, and conducting ring and magnet rotor are arranged can not do variation, and turns round by the turbine engages worm in the driving mechanism, regulates the gap between conducting ring and the magnet rotor, inconvenience very.
The utility model content
Arrange to do for the conducting ring that exists in the prior art and magnet rotor and change and the turbine engages worm turns round to regulate gap between conducting ring and the magnet rotor, the problem of inconvenience very, the purpose of this utility model provide a kind of vortex speed changer.
For achieving the above object, the utility model adopts following technical scheme:
A kind of vortex speed changer, comprise the first rotation axis, the second rotation axis, the rotation housing, internal rotor assembly with middle pivot disc, be used for regulating the driving mechanism in gap, two conducting rings and two magnet rotors, the first rotation axis is fixedly connected with the rotation housing, the second rotation axis is fixedly connected with middle pivot disc, described internal rotor assembly is located in the rotation housing, the two ends of rotation housing are provided with the first dish position and the second dish position, the outside of internal rotor assembly is provided with the 3rd dish position and the 4th dish position, the clearance distance that coil between position and the 4th dish position in gap and second between described the first dish position and the 3rd dish position equates, described driving mechanism is fixedly connected with the 4th dish position, described driving mechanism comprises overcoat and the inner sleeve that is sheathed on the second rotation axis, the inboard of described overcoat is provided with cam, and cam is fixedly connected with overcoat; Offer groove on the side face of described inner sleeve, the projector distance of described groove two ends on the inner sleeve axis is corresponding with the scope of gap adjustment; Described overcoat is enclosed within outside the inner sleeve, and described cam stretches in the groove, and an end of described overcoat also is fixedly connected with the 4th dish position; Described conducting ring is located at respectively on the 3rd dish position and the 4th dish position, and described magnet rotor is located at respectively on the first dish position and the second dish position; Perhaps, described conducting ring is located at respectively on the first dish position and the 4th dish position, and described magnet rotor is located at respectively on the 3rd dish position and the second dish position; Perhaps, described conducting ring is located at respectively on the 3rd dish position and the second dish position, and described magnet rotor is located at respectively on the first dish position and the 4th dish position; One in described the first rotation axis and the second rotation axis is driving shaft, and another root is bearing axle.
Described groove adopts arc-shaped structure.
Described groove is 90 ° of arc-shaped structures.
The outside of described overcoat is installed with swing arm.
Described rotation housing is the cylindrical-shaped structure of hollow, and described rotation housing also comprises air gap increment pad, and described air gap increment pad interval is located on the side face of rotation housing, and the two ends of described air gap increment pad are fixedly connected with the first dish position and the second dish position respectively; Be provided with flabellum between the described adjacent air gap increment pad, be provided with the blade that several are parallel to each other in the flabellum, the two ends of flabellum are fixedly connected with the first dish position and the second dish position respectively.
Described air gap increment pad axially is fixedly connected with the first dish position and the second dish position respectively along the rotation housing.
Described blade axially is located in the flabellum along the rotation housing.
Compared with prior art, adopt a kind of vortex speed changer of the present utility model, slide in groove by cam, drive overcoat moving axially along the second rotation axis, and then drive the 4th dish position and axially move, it is final so that gap length is moved to change, the control output speed with respect to the first dish position and the second dish displacement in the 3rd dish position in the internal rotor assembly outside and the 4th dish position.In the arrangement of difference dish position, can also be fit to different on-the-spot installation requirements by conducting ring and magnet rotor.
In a word, vortex speed changer of the present utility model, pass through the vortex flow induced field and interlock between driving shaft and the bearing axle, realized being flexible coupling between such two axles, and come the rotating speed of regulating load by the adjusting to the gap width between magnet rotor and the conducting ring, use the output of the bulk loads such as control blower fan, water pump, solved the situation of industrial quarters low load with strong power waste energy consumption, to use the energy more to rationalize, also make simultaneously load and driving arrangement reduce load, service time is longer, and properly rate is higher.
Description of drawings
Fig. 1 is the structural representation of a kind of vortex speed changer of the present utility model;
Fig. 2 is the schematic perspective view of the vortex speed changer of Fig. 1;
Fig. 3 is the schematic perspective view of the cam among Fig. 1;
Fig. 4 is the front view of the vortex speed changer of Fig. 2.
Embodiment
Further specify the technical solution of the utility model below in conjunction with drawings and Examples.
See also Fig. 1, Fig. 2, Fig. 3, a kind of vortex speed changer shown in Figure 4 comprises horizontally disposed the first rotation axis 11 and the second rotation axis 12, rotation housing 13, internal rotor assembly 14 with middle pivot disc 141, be used for regulating the driving mechanism 15 in gap, two conducting rings 16 and two magnet rotors 17, the first rotation axis 11 is fixedly connected with rotation housing 13, the second rotation axis 12 is fixedly connected with middle pivot disc 141, internal rotor assembly 14 is located in the rotation housing 13, the two ends of rotation housing 13 are provided with the 131 and second dish position 132, the first dish position, the outside of internal rotor assembly 14 is provided with the 142 and the 4th dish position 143, the 3rd dish position, the clearance distance that coil between the 132 and the 4th dish position 143, position in gap and second between the 131 and the 3rd dish position 142, the first dish position equates, driving mechanism 15 is fixedly connected with the 4th dish position 143, driving mechanism 15 comprises overcoat 151 and the inner sleeve 152 that is sheathed on outside the second rotation axis 12, overcoat 151 and inner sleeve 152 are all by corresponding bearing 155,156 link to each other with the second rotation axis 12, the inboard of overcoat 151 also is provided with cam 153, and cam 153 is fixedly connected with overcoat 151; Offer groove 154 on the side face of inner sleeve 152, the projector distance of the two ends of groove 154 on inner sleeve 152 axis is corresponding with the scope of gap adjustment.The outside of overcoat 151 is installed with swing arm 18.The outer end of overcoat 151 is enclosed within outside the inner of inner sleeve 152, and cam 153 stretches in the groove 154, and an end of overcoat 151 also is fixedly connected with the 4th dish position 143.Conducting ring 16 is located at respectively on the 142 and the 4th dish position 143, the 3rd dish position, and magnet rotor 17 is located at respectively on the 131 and second dish position 132, the first dish position; One in the first rotation axis 11 and the second rotation axis 12 is driving shaft, and another root is bearing axle.
Preferably, groove 154 can be on the oblique side face that is arranged on inner sleeve 152, that is to say, the axis of the axis of groove 154 and inner sleeve 152 is not parallel also out of plumb, and groove 154 is 90 ° of arc-shaped structures, like this along with the rotation of swing arm 18, cam 153 is moved along groove 154, overcoat 151 moves axially along the second rotation axis 12, so that coiling position 143 synchronous opening and closing, the 3rd dish position the 142 and the 4th in 14 liang of outsides of internal rotor assembly moves, thus the size in synchronous adjusting gap.Need to prove that the linked component in the driving mechanism 15 adopts existing technology, the size by the interlock of middle pivot disc 141 and the 142 and the 4th dish position 143, the 3rd dish position is regulated the gap no longer is repeated in this description at this.
Described rotation housing 13 is the cylindrical-shaped structure of hollow, rotation housing 13 comprises air gap increment pad 133, air gap increment pad 133 even intervals are located on the side face of rotation housing, the two ends of air gap increment pad 133 axially are fixedly connected with the 131 and second dish position 132, the first dish position respectively along the rotation housing, be provided with flabellum 134 between the adjacent air gap increment pad 133, be provided with several blades that is parallel to each other 135 in the flabellum 134, the two ends of flabellum 134 are fixedly connected with the 131 and second dish position 132, the first dish position respectively.Blade 135 parallels with the axis of rotation housing.
During use, when rotating rotation housing 13, driven flabellum 134, flabellum 134 is discharged air along the radial direction of rotating rotation housing 13, so that produce negative pressure in the vortex speed changer, cold air just can be from the two ends of rotating rotation housing 13 namely axially enters vortex speed changer along rotation housing 13 like this, allow behind the conducting ring 16 of the direct contact heating of cold air, through heat exchange again along the radially discharge vortex speed changer of rotation housing 13 to atmosphere.Like this, both do not had the problem of the intermediate thermal conductivity medium of prior art kind existence, the demanding problem that also do not cooperatively interact can more accurately be grasped the heat radiation speed change, and heat radiation is more direct, and radiating effect is better.
And, adopt rotation housing 13 of the present utility model not only can avoid the noise of radiating fin cutting air of the prior art, so that the vortex speed changer rotation is more smooth and easy, noise significantly reduces, and the blade processing required precision is not high yet, and quantity is few compared to radiating fin of the prior art, volume, weight are also little, and therefore therefore whole cost can descend.
Need to prove that for easy for installation, two conducting rings 16 can also be located at respectively on the 131 and the 4th dish position 143, the first dish position, two magnet rotors 17 are located at respectively on the 142 and second dish position 132, the 3rd dish position; Perhaps, conducting ring 16 is located at respectively on the 142 and second dish position 132, the 3rd dish position, magnet rotor 17 is located at respectively on the 131 and the 4th dish position 143, the first dish position.
Those of ordinary skill in the art will be appreciated that, above embodiment illustrates the purpose of this utility model, and be not with opposing restriction of the present utility model, as long as in essential scope of the present utility model, all will drop in the scope of claim of the present utility model variation, the modification of the above embodiment.
Claims (7)
1. vortex speed changer, comprise the first rotation axis, the second rotation axis, the rotation housing, internal rotor assembly with middle pivot disc, be used for regulating the driving mechanism in gap, two conducting rings and two magnet rotors, the first rotation axis is fixedly connected with the rotation housing, the second rotation axis is fixedly connected with middle pivot disc, described internal rotor assembly is located in the rotation housing, the two ends of rotation housing are provided with the first dish position and the second dish position, the outside of internal rotor assembly is provided with the 3rd dish position and the 4th dish position, the clearance distance that coil between position and the 4th dish position in gap and second between described the first dish position and the 3rd dish position equates, described driving mechanism is fixedly connected with the 4th dish position, it is characterized in that:
Described driving mechanism comprises overcoat and the inner sleeve that is sheathed on the second rotation axis, and the inboard of described overcoat is provided with cam, and cam is fixedly connected with overcoat; Offer groove on the side face of described inner sleeve, the projector distance of described groove two ends on the inner sleeve axis is corresponding with the scope of gap adjustment; Described overcoat is enclosed within outside the inner sleeve, and described cam stretches in the groove, and an end of described overcoat also is fixedly connected with the 4th dish position;
Described conducting ring is located at respectively on the 3rd dish position and the 4th dish position, and described magnet rotor is located at respectively on the first dish position and the second dish position; Perhaps, described conducting ring is located at respectively on the first dish position and the 4th dish position, and described magnet rotor is located at respectively on the 3rd dish position and the second dish position; Perhaps, described conducting ring is located at respectively on the 3rd dish position and the second dish position, and described magnet rotor is located at respectively on the first dish position and the 4th dish position;
One in described the first rotation axis and the second rotation axis is driving shaft, and another root is bearing axle.
2. vortex speed changer according to claim 1 is characterized in that:
Described groove adopts arc-shaped structure.
3. vortex speed changer according to claim 2 is characterized in that:
Described groove is 90 ° of arc-shaped structures.
4. vortex speed changer according to claim 1 is characterized in that:
The outside of described overcoat is installed with swing arm.
5. vortex speed changer according to claim 1 is characterized in that:
Described rotation housing is the cylindrical-shaped structure of hollow, and described rotation housing also comprises air gap increment pad, and described air gap increment pad interval is located on the side face of rotation housing, and the two ends of described air gap increment pad are fixedly connected with the first dish position and the second dish position respectively; Be provided with flabellum between the adjacent air gap increment pad, be provided with the blade that several are parallel to each other in the flabellum, the two ends of flabellum are fixedly connected with the first dish position and the second dish position respectively.
6. vortex speed changer according to claim 5 is characterized in that:
Described air gap increment pad axially is fixedly connected with the first dish position and the second dish position respectively along the rotation housing.
7. vortex speed changer according to claim 5 is characterized in that:
Described blade axially is located in the flabellum along the rotation housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220222537 CN202652040U (en) | 2012-05-15 | 2012-05-15 | Eddy current transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220222537 CN202652040U (en) | 2012-05-15 | 2012-05-15 | Eddy current transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202652040U true CN202652040U (en) | 2013-01-02 |
Family
ID=47421078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220222537 Expired - Fee Related CN202652040U (en) | 2012-05-15 | 2012-05-15 | Eddy current transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202652040U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107678A (en) * | 2013-01-14 | 2013-05-15 | 浙江大学 | Adjustable straight wing suspended magnetic eddy current coupling |
| CN103107681A (en) * | 2013-01-14 | 2013-05-15 | 浙江大学 | Cam type straight wing suspended magnetic eddy-current coupling |
| CN103107673A (en) * | 2013-01-14 | 2013-05-15 | 浙江大学 | Period reciprocating magnetic edgy current shaft coupling |
| CN103427589A (en) * | 2012-05-15 | 2013-12-04 | 上海普天邮通科技股份有限公司 | Eddy speed changer |
-
2012
- 2012-05-15 CN CN 201220222537 patent/CN202652040U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427589A (en) * | 2012-05-15 | 2013-12-04 | 上海普天邮通科技股份有限公司 | Eddy speed changer |
| CN103107678A (en) * | 2013-01-14 | 2013-05-15 | 浙江大学 | Adjustable straight wing suspended magnetic eddy current coupling |
| CN103107681A (en) * | 2013-01-14 | 2013-05-15 | 浙江大学 | Cam type straight wing suspended magnetic eddy-current coupling |
| CN103107673A (en) * | 2013-01-14 | 2013-05-15 | 浙江大学 | Period reciprocating magnetic edgy current shaft coupling |
| CN103107678B (en) * | 2013-01-14 | 2015-03-18 | 浙江大学 | Adjustable straight wing suspended magnetic eddy current coupling |
| CN103107681B (en) * | 2013-01-14 | 2015-03-18 | 浙江大学 | Cam type straight wing suspended magnetic eddy-current coupling |
| CN103107673B (en) * | 2013-01-14 | 2015-04-15 | 浙江大学 | Period reciprocating magnetic edgy current shaft coupling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20180515 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |