CN103812303B - Rotor drum layered structure of permanent magnetic eddy retarder for high-speed and low-speed conditions - Google Patents
Rotor drum layered structure of permanent magnetic eddy retarder for high-speed and low-speed conditions Download PDFInfo
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- CN103812303B CN103812303B CN201210440769.6A CN201210440769A CN103812303B CN 103812303 B CN103812303 B CN 103812303B CN 201210440769 A CN201210440769 A CN 201210440769A CN 103812303 B CN103812303 B CN 103812303B
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Abstract
The invention discloses a rotor drum layered structure of a permanent magnetic eddy retarder for high-speed and low-speed conditions. The rotor drum layered structure comprises radiating fins (1) and a matrix (2). The radiating fins (1) are arranged on the periphery of the matrix (2), and the matrix (2) is also provided with a rotor drum accessory (3). A copper rotor drum accessory is adopted at the low speed while a silicon steel rotor drum accessory is adopted at the high speed. The high-speed braking performance and the low-speed braking performance of the permanent magnetic eddy retarder are effectively improved, and the structure is simple.
Description
Technical field
The present invention relates to permanent-magnet eddy current retarder technical field, more particularly, to a kind of permanent magnetism adapting to high speed and speed operation
The rotor drum axial stratification structure of eddy current retarder.
Background technology
Permanent-magnet eddy current retarder is simple due to safeguarding, does not consume the energy, in rail traffic and road traffic vehicle extensively
Application.At present, the machinery of permanent-magnet buffer is typically made up of parts such as stator and rotor drums.Stator is typically mainly by fixed
The compositions such as the outer retainer of the sub- body of casting, Magnet, permanent magnet, fixed magnet support, movable magnet support and cylinder assembly.Rotor drum turns
Dynamic cutting magnetic line, produces eddy-current loss, forms braking moment.But the size of braking moment and decline and rotor drum material
Electrical conductivity, pcrmeability are relevant.Japan Isuzu Motors company Y.Marecha, G.Meunier. document (IEEETrans.Magn,
Vol.26, No.5, pp：2382-2384,1990.) middle elaboration, (select pcrmeability, electricity in rotor drum surfacing characteristic changing
The high material of conductance), braking moment during low speed can be increased, and the braking moment in high speed, due to being vortexed demagnetizing effect, is made
Kinetic moment decline increases.
Content of the invention
(1) technical problem to be solved
The technical problem to be solved in the present invention is to provide a kind of permanent-magnet eddy current retarder adapting to high speed and speed operation
Rotor drum axial stratification structure, the high braking moment of frequently braking when this structure can not only keep running at a low speed, and can weaken
When running at high speed, the vortex demagnetizing effect of rotor drum, weakens the decline of braking moment.
(2) technical scheme
For solving above-mentioned technical problem, the technical solution adopted in the present invention is：A kind of adaptation high speed and speed operation
The rotor drum axial stratification structure of permanent-magnet eddy current retarder, including fin (1), matrix (2), described fin (1) is installed on
On described matrix (2) outer circumference surface, described matrix (2) is also equipped with rotor drum adnexa (3), the side of described matrix (2) is leaned on
At nearly inner peripheral surface, circumference is evenly equipped with slot (6), is provided with portable rotor drum adnexa (3) in described slot (6), described
Rotor drum adnexa (3) includes interconnective copper section (32) and silicon steel section (31).
Wherein, in speed operation, described rotor drum adnexa (3) adopts copper material product, in high-speed working condition, described
Rotor drum adnexa (3) adopts silicon steel material product.
Wherein, described rotor drum adnexa (3) and matrix (2) side are provided with plate (5) and using screw (4) fastening.
Wherein, described rotor drum adnexa (3) one end is installed on fixed support (7), the opposite side of described fixed support (7)
Cylinder push-rod (8) is installed.
Wherein, described copper section (32) or silicon steel section (31) axial width is identical with the radial width of described matrix (2).
Wherein, described rotor drum adnexa (3) radial thickness be 5cm.
(3) beneficial effect
The present invention is compared to prior art, has the advantages that：Adopt copper rotor drum adnexa in low speed, high
Adopt silicon steel rotor drum adnexa when fast, be effectively improved high speed, the low speed braking ability of permanent-magnet eddy current retarder, and structure letter
Single.
Brief description
Fig. 1 is the structural representation of embodiments of the invention 1.
Fig. 2 is the structural representation of the mounting means of embodiments of the invention 1.
Fig. 3 is the structural representation of embodiments of the invention 2.
Fig. 4 is the structural representation of the layering rotor drum adnexa of embodiments of the invention 2.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.Hereinafter implement
Example is used for the present invention is described, but is not limited to the scope of the present invention.
As depicted in figs. 1 and 2, a kind of rotor drum of the permanent-magnet eddy current retarder adapting to high speed and speed operation axially divides
Rotating fields, including fin 1, matrix 2, fin 1 is installed on matrix 2 outer circumference surface, matrix 2 is also equipped with rotor drum attached
Part 3.In speed operation, rotor drum adnexa 3 adopts copper material product, and in high-speed working condition, rotor drum adnexa 3 adopts silicon steel
Material product.Rotor drum adnexa 3 and matrix 2 side are provided with plate 5 and are fastened using screw 4.
Speed operation frequently in the case of, change copper rotor drum adnexa, end is coupled with matrix using screw, to carry
Braking moment during high low speed.High-speed working condition frequently in the case of, change silicon steel material rotor drum adnexa, end adopts screw
Couple with matrix, to reduce braking moment decline during high speed.
As shown in Figure 3 and Figure 4, the side of matrix 2 circumference at inner peripheral surface is evenly equipped with slot 6, is provided with slot 6
Portable rotor drum adnexa 3.Rotor drum adnexa 3 includes interconnective copper section 32 and silicon steel section 31.Rotor drum adnexa 3
One end is installed on fixed support 7, and the opposite side of fixed support 7 is provided with cylinder push-rod 8.Copper section 32 or the width of silicon steel section 31
Degree is identical with the width of matrix 2.The thickness of rotor drum adnexa 3 is 5cm.
When low speed is braked, cylinder push-rod drive rotor drum adnexa fixed support does axial displacement, copper section of entrance rotor
Drum slot, the rotor drum inlaying copper section of rotor drum adnexa works formation braking moment.When high speed is braked, cylinder push-rod
Drive rotor drum adnexa fixed support does axial displacement again, and silicon steel section enters rotor drum slot, inlays the rotor drum of silicon steel section
The rotor drum of adnexa works formation braking moment.
The above is only the preferred embodiment of the present invention it is noted that ordinary skill people for the art
For member, on the premise of without departing from the technology of the present invention principle, some improvements and modifications can also be made, these improvements and modifications
Also should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of rotor drum axial stratification structure of the permanent-magnet eddy current retarder adapting to high speed and speed operation, including fin
(1), matrix (2), described fin (1) be installed on described matrix (2) outer circumference surface it is characterised in that：In described matrix (2)
It is also equipped with rotor drum adnexa (3), the side of described matrix (2) circumference at inner peripheral surface is evenly equipped with slot (6), described insert
The rotor drum adnexa (3) of the formula of being axially movable is installed in groove (6), described rotor drum adnexa (3) includes interconnective copper
Section (32) and silicon steel section (31).
2. the rotor drum axial stratification knot of the permanent-magnet eddy current retarder adapting to high speed and speed operation according to claim 1
Structure it is characterised in that：In speed operation, described rotor drum adnexa (3) adopts copper material product, in high-speed working condition, institute
State rotor drum adnexa (3) and adopt silicon steel material product.
3. the rotor drum axial stratification knot of the permanent-magnet eddy current retarder adapting to high speed and speed operation according to claim 1
Structure it is characterised in that：Described rotor drum adnexa (3) and matrix (2) side are provided with plate (5) and using screw (4) fastening.
4. the rotor drum axial stratification knot of the permanent-magnet eddy current retarder adapting to high speed and speed operation according to claim 1
Structure it is characterised in that：Described rotor drum adnexa (3) is installed on fixed support (7) one end, described fixed support (7) another
End is provided with cylinder push-rod (8).
5. the rotor drum axial stratification knot of the permanent-magnet eddy current retarder adapting to high speed and speed operation according to claim 4
Structure it is characterised in that：The axial width of described copper section (32) or silicon steel section (31) and the radial width phase of described matrix (2)
With.
6. the rotor drum axial stratification knot of the permanent-magnet eddy current retarder adapting to high speed and speed operation according to claim 5
Structure it is characterised in that：Described rotor drum adnexa (3) radial thickness be 5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210440769.6A CN103812303B (en) | 2012-11-07 | 2012-11-07 | Rotor drum layered structure of permanent magnetic eddy retarder for high-speed and low-speed conditions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210440769.6A CN103812303B (en) | 2012-11-07 | 2012-11-07 | Rotor drum layered structure of permanent magnetic eddy retarder for high-speed and low-speed conditions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103812303A CN103812303A (en) | 2014-05-21 |
| CN103812303B true CN103812303B (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210440769.6A Active CN103812303B (en) | 2012-11-07 | 2012-11-07 | Rotor drum layered structure of permanent magnetic eddy retarder for high-speed and low-speed conditions |
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| Country | Link |
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| CN (1) | CN103812303B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193724B (en) * | 2021-04-30 | 2023-03-03 | 哈尔滨工业大学 | Low-inertia wide-speed-range permanent magnet eddy current brake |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2798406Y (en) * | 2005-03-04 | 2006-07-19 | 江苏大学 | Permanent delayed speed device with stepping brake torque |
| CN2901683Y (en) * | 2006-03-10 | 2007-05-16 | 无锡市凯瑞汽车润滑器件有限公司 | Movable rack sliding device for permanent magnetic eddy flow speed lowering device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10178771A (en) * | 1996-12-17 | 1998-06-30 | Isuzu Motors Ltd | Braking drum in eddy current type speed reduction device |
-
2012
- 2012-11-07 CN CN201210440769.6A patent/CN103812303B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2798406Y (en) * | 2005-03-04 | 2006-07-19 | 江苏大学 | Permanent delayed speed device with stepping brake torque |
| CN2901683Y (en) * | 2006-03-10 | 2007-05-16 | 无锡市凯瑞汽车润滑器件有限公司 | Movable rack sliding device for permanent magnetic eddy flow speed lowering device |
Non-Patent Citations (1)
| Title |
|---|
| 《永磁式缓速器磁场分析及制动效能仿真》;沈保山;《中国优秀硕士学位论文数据库》;20091231;全文 * |
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| CN103812303A (en) | 2014-05-21 |
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