CN2907068Y - Permanent magnetic coaxial induction ring asynchronous coupling - Google Patents
Permanent magnetic coaxial induction ring asynchronous coupling Download PDFInfo
- Publication number
- CN2907068Y CN2907068Y CN 200620078996 CN200620078996U CN2907068Y CN 2907068 Y CN2907068 Y CN 2907068Y CN 200620078996 CN200620078996 CN 200620078996 CN 200620078996 U CN200620078996 U CN 200620078996U CN 2907068 Y CN2907068 Y CN 2907068Y
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- CN
- China
- Prior art keywords
- rotor
- permanent magnet
- coaxial
- tubular
- coupling
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- 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.)
- Expired - Fee Related
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- Structures Of Non-Positive Displacement Pumps (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The utility model relates to a permanent magnet coaxial induction ring asynchronous coupling for providing a coupling of magnetic pump which is used to operate at the operation condition of more than 250 Celsiur system, a tubular outer rotor (1) is connected with the motor shaft, the axis line (O O') of the outer rotor (1) and the motor shaft have the same coaxial, the utility model is characterized in that the axis line of the tubular inner rotor (4) which is made of hysteretic materials is coaxial with the axis line (O O') of the outer rotor (1), a tubular separating sleeve (3) which is made of non-magnetic materials is arranged between the outer rotor (1) and the inner rotor (4), the inner rotor (4) is arranged in the separating sleeve (3), a permanent magnet (2) is arranged around the tubular inner sidewall of the outer rotor (1), the installation position of the tubular wall of the inner rotor (4) is axially corresponding to the permanent magnet (2).
Description
Technical field
Patent of the present invention belongs to a kind of magnetic coupling, at high temperature transmits power or moment by the magnetic line of force across partition.
Background technology
The maximum temperature limit that common magnetic coupling uses is by the serviceability temperature decision of permanent magnet.At present, what serviceability temperature was the highest at present is the Sm2Co17 rare earth permanent magnet, is 250 ℃.The operating mode that surpasses this temperature can't be used magnetic drive pump.
Summary of the invention
The purpose of this utility model provides a kind of being used for can be at the shaft coupling that surpasses on the magnetic drive pump that uses under 250 ℃ the operating mode.
The utility model is a kind of permanent magnetism coaxial inductive ring type asynchronous coupling, the external rotor of drum shape connects with machine shaft, the axis of external rotor is coaxial with machine shaft, it is characterized in that the axis of the drum shape internal rotor made by hysteresis material and the axis coaxle of external rotor, the drum shape separation sleeve of being made by nonmagnetic substance is installed between external rotor and internal rotor, internal rotor is installed in the separation sleeve, in the drum wall inboard of external rotor, around permanent magnet is installed, the drum wall installation site in the axial direction of internal rotor is corresponding with permanent magnet.
Usefulness of the present utility model is: because of internal rotor does not have permanent magnet, the Applicable temperature of inductance loop asynchronous coupling can be used for more than 450 ℃.
Description of drawings
Fig. 1 is a structure chart of the present utility model.
Embodiment
Figure 1 shows that permanent magnetism coaxial inductive ring type asynchronous coupling, the external rotor 1 of drum shape connects with machine shaft, the axes O O ' of external rotor 1 is coaxial with machine shaft, the axis that it is characterized in that the drum shape internal rotor 4 made by hysteresis material is coaxial with the axes O O ' of external rotor 1, the drum shape separation sleeve of being made by nonmagnetic substance 3 is installed between external rotor 1 and internal rotor 4, internal rotor 4 is installed in the separation sleeve 3, in the drum wall inboard of external rotor 1, around permanent magnet 2 is installed, the drum wall installation site in the axial direction of internal rotor 4 is corresponding with permanent magnet 2.
Structure of the present utility model makes the movable sealing of magnetic drive pump become static seal, has solved the leakage problem of medium; Its drive mechanism is the flexible transmission of non-contact type, vibrates for a short time, and noise is little, has prolonged the bearing life of machine; When overburden, can carry out overload protection automatically, cause inner and outer rotors to trackslip or during stall; Rotation speed change in a big way in, magnetic coupler all has higher efficient; Carry hot liquid viscosity when " cold start-up " bigger, then electromagnetic induction ring asynchronous coupling during starts can produce bigger slip, and along with liquid temperature rise and viscosity diminish, the rotating speed of inductance loop shaft coupling also and then raises.Be that machine can be in " cold start-up "; Carry when containing the ferrite powder of higher percent in the liquid, because there is not permanent magnet in the pumped (conveying) medium in the inductance loop shaft coupling through the zone, so can not cause the iron powder post to accumulate in the shaft coupling.
Claims (1)
1, permanent magnetism coaxial inductive ring type asynchronous coupling, the external rotor of drum shape (1) connects with machine shaft, the axis (OO ') of external rotor (1) is coaxial with machine shaft, the axis that it is characterized in that the drum shape internal rotor (4) made by hysteresis material is coaxial with the axis (OO ') of external rotor (1), the drum shape separation sleeve of being made by nonmagnetic substance (3) is installed between external rotor (1) and internal rotor (4), internal rotor (4) is installed in the separation sleeve (3), drum wall inboard at external rotor (1), around permanent magnet (2) is installed, the drum wall installation site in the axial direction of internal rotor (4) is corresponding with permanent magnet (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620078996 CN2907068Y (en) | 2006-05-12 | 2006-05-12 | Permanent magnetic coaxial induction ring asynchronous coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620078996 CN2907068Y (en) | 2006-05-12 | 2006-05-12 | Permanent magnetic coaxial induction ring asynchronous coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2907068Y true CN2907068Y (en) | 2007-05-30 |
Family
ID=38115714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620078996 Expired - Fee Related CN2907068Y (en) | 2006-05-12 | 2006-05-12 | Permanent magnetic coaxial induction ring asynchronous coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2907068Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324819A (en) * | 2011-08-17 | 2012-01-18 | 福建省福安市力德泵业有限公司 | A kind of superhigh temperature resistant does not have the internal rotor magnetic coupling of interior magnetic |
| CN105896908A (en) * | 2015-01-15 | 2016-08-24 | 李启飞 | TE type ball screw electric speed regulation cylinder type magnetic coupling |
| CN112850170A (en) * | 2021-03-02 | 2021-05-28 | 王坦之 | Non-contact driving transmission system |
-
2006
- 2006-05-12 CN CN 200620078996 patent/CN2907068Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324819A (en) * | 2011-08-17 | 2012-01-18 | 福建省福安市力德泵业有限公司 | A kind of superhigh temperature resistant does not have the internal rotor magnetic coupling of interior magnetic |
| CN105896908A (en) * | 2015-01-15 | 2016-08-24 | 李启飞 | TE type ball screw electric speed regulation cylinder type magnetic coupling |
| CN112850170A (en) * | 2021-03-02 | 2021-05-28 | 王坦之 | Non-contact driving transmission system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |