CN201781386U - Rotary magnetic steel type rotor surface magnetic steel fixing device of oil submersible permanent magnet synchronous motor - Google Patents
Rotary magnetic steel type rotor surface magnetic steel fixing device of oil submersible permanent magnet synchronous motor Download PDFInfo
- Publication number
- CN201781386U CN201781386U CN2010205110541U CN201020511054U CN201781386U CN 201781386 U CN201781386 U CN 201781386U CN 2010205110541 U CN2010205110541 U CN 2010205110541U CN 201020511054 U CN201020511054 U CN 201020511054U CN 201781386 U CN201781386 U CN 201781386U
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- magnetic steel
- pressing plate
- synchronous motor
- magnet steel
- magnet
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Abstract
The utility model relates to a rotary magnetic steel type rotor surface magnetic steel fixing device of an oil submersible permanent magnet synchronous motor, which belongs to the technical field of motors, and is characterized in that a magnetic yoke and magnetic steel is assembled on a rotating shaft, pressure plates are mounted on the magnetic yoke; the magnetic steel is assembled among pressure plates, and a sleeve is nested outside the magnetic steel and is assembled with the pressure plates. The utility model has the advantages of simple structure, reliable performance, energy conservation and consumption reduction and good use effect, is convenient to sleeve, and can ensure that the magnetic steel is not separated from the surface of the magnetic yoke when the underground temperature of an oil field is high, thereby improving the high-temperature operation performance of permanent magnet motors greatly.
Description
Technical field
The utility model belongs to the motor technology field, particularly relates to the latent oily permanent-magnet synchronous motor rotor of a kind of rotary magnetic steel formula surface magnet steel fixture.
Background technology
At present, the fixing dovetail groove or the pressure plate structure of adopting usually of the rotary magnetic steel formula permanent-magnet synchronous motor rotor of use surface magnet steel.Because the restriction of oil well hole diameter, the oily permanent-magnet synchronous motor rotor of diving is small-sized, and the permanent magnet synchronous motor number of poles of oil well demand is more, and promptly the quantity of magnet steel circle distribution is more, does not therefore have enough spaces to adopt dovetail groove or pressure plate structure.Existing motor rotor structure, fixedly magnet steel and yoke adopt the bonding agent bonding way, causing fixedly when the oil field downhole temperature is higher easily, the bonding agent of magnet steel and yoke lost efficacy, magnet steel breaks away from from yoke surfaces, cause permanent magnet motor when high temperature, can not move, have the potential safety hazard that production accident takes place.
Summary of the invention
The utility model provides the latent oily permanent-magnet synchronous motor rotor of a kind of rotary magnetic steel formula surface magnet steel fixture for solving the problem that prior art exists.
The utility model purpose provide a kind of have simple in structure, suit is convenient, dependable performance, energy-saving and cost-reducing, characteristics such as result of use is good, can guarantee that magnet steel does not break away from from yoke surfaces when the oil field downhole temperature is higher, improve the latent oily permanent-magnet synchronous motor rotor of the rotary magnetic steel formula surface magnet steel fixture of the hot operation performance of permanent magnet motor greatly.
The latent oily permanent-magnet synchronous motor rotor of rotary magnetic steel formula surface magnet steel fixed structure is used for the manufacturing of oil field submergence type permanent-magnet synchronous motor rotor, even this structure can guarantee the bonding agent that is used for fixing magnet steel and yoke when the oil field downhole temperature is higher and lose efficacy, can guarantee that still magnet steel does not break away from from yoke surfaces, guarantees the hot operation performance of permanent magnet motor.
The latent oily permanent-magnet synchronous motor rotor of the utility model rotary magnetic steel formula surface magnet steel fixture adopts following technical scheme:
The latent oily permanent-magnet synchronous motor rotor of a kind of rotary magnetic steel formula surface magnet steel fixture, assembling yoke and magnet steel in the rotating shaft, be characterized in: pressing plate is housed on the yoke, and magnet steel is assemblied between the pressing plate, magnet steel overcoat sleeve, sleeve and pressing plate are installed together.
The latent oily permanent-magnet synchronous motor rotor of the utility model rotary magnetic steel formula surface magnet steel fixture can also adopt following technical measures:
The latent oily permanent-magnet synchronous motor rotor of described rotary magnetic steel formula surface magnet steel fixture, be characterized in: pressing plate is fixed on the yoke by holding screw.
The latent oily permanent-magnet synchronous motor rotor of described rotary magnetic steel formula surface magnet steel fixture, be characterized in: be evenly equipped with screw hole on the pressing plate circumference, uniform holding screw is fixed in pressing plate on the yoke.
The described rotary magnetic steel formula oily permanent-magnet synchronous motor rotor surface magnet steel fixture of diving is characterized in: magnet steel sticks on the yoke between the pressing plate.
The latent oily permanent-magnet synchronous motor rotor of described rotary magnetic steel formula surface magnet steel fixture is characterized in: the corresponding convex groove structure that is provided with anti-sleeve rotation with the edge of pressing plate in the end of sleeve.
The latent oily permanent-magnet synchronous motor rotor of described rotary magnetic steel formula surface magnet steel fixture, be characterized in: there is bossing the end of sleeve, and the edge of pressing plate is provided with breach, and sleeve bossing point is welded in the breach of pressing plate.
The described rotary magnetic steel formula oily permanent-magnet synchronous motor rotor surface magnet steel fixture of diving is characterized in: the pressing plate diameter equals the sleeve outer diameter on magnet steel surface or is slightly larger than 0.2 millimeter of the sleeve outer diameter on magnet steel surface.
Advantage that the utlity model has and good effect:
The latent oily permanent-magnet synchronous motor rotor of rotary magnetic steel formula surface magnet steel fixture, owing to adopted the utility model brand-new technology scheme, compared with prior art, the utility model by take with the jacket casing of NULL bonding magnet steel the yoke outer surface, and with sleeve ends projection point be welded in by screw at the yoke sidepiece in the pressing plate breach of magnetic.The magnet steel of having avoided high temperature lower magnetic steel bonding agent to lose efficacy may bringing is from the rotor dislocation or break away from and the rotor that causes is swept the consequence that thorax, motor damage.Can be with this structure applications in the latent oily three-phase permanent-magnetic synchronous motors that hole diameter requirement restriction is arranged, expanded three-phase permanent-magnetic synchronous motors in the application in oil recovery power field and make it can adapt to various well temperature conditions, the electric submersible pumping system of comparing the latent oily Asynchronous Motor Driving of three-phase of present widespread usage has significantly improved the efficient and the power factor of system, and it is energy-saving and cost-reducing to help macroscopic view.
The utlity model has simple in structurely, advantage such as suit is convenient, and dependable performance is energy-saving and cost-reducing, and result of use is good can guarantee that magnet steel has improved the hot operation performance of permanent magnet motor greatly not from the yoke surfaces disengaging when the oil field downhole temperature is higher.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the magnetic yoke structure schematic diagram among Fig. 1;
Fig. 3 is the left TV structure schematic diagram of Fig. 2;
Fig. 4 is the tube-in-tube structure schematic diagram among Fig. 1;
Fig. 5 is the right TV structure schematic diagram of Fig. 4;
Fig. 6 is the pressure plate structure schematic diagram among Fig. 1;
Fig. 7 is the left TV structure schematic diagram of Fig. 6.
Among the figure, 1. spool, 2. pressing plate, 3. holding screw, 4. yoke, 5. magnet steel, 6. sleeve.
Embodiment
For further understanding technology contents of the present utility model, characteristics and effect, enumerate following example now, and conjunction with figs. is described in detail as follows:
With reference to accompanying drawing 1 to Fig. 7.
The latent oily permanent-magnet synchronous motor rotor of a kind of rotary magnetic steel formula surface magnet steel fixture, assembling yoke 4 and magnet steel 5 are equipped with pressing plate 2 in the rotating shaft 1 on the yoke 4, and pressing plate 2 adopts NULL, be evenly equipped with screw hole on pressing plate 2 circumference, uniform holding screw 3 is fixed in pressing plate on the yoke 4.Magnet steel 5 is assemblied between the pressing plate 2, and magnet steel 5 sticks on the yoke 4 between the pressing plate.The sleeve 6 that magnet steel 5 overcoat NULL are made, there is bossing the end of sleeve 6, and the edge of pressing plate 2 is provided with breach, and sleeve 6 bossings point is welded in the breach of pressing plate 2, and sleeve 6 and pressing plate 2 are installed together.Pressing plate 2 diameters equal or are slightly larger than sleeve 6 external diameters on magnet steel surface, rub but should guarantee enough rotary gaps are arranged between the stator and rotor and not produce stator and rotor.
Present embodiment adopts the said structure form, and operation sequence is simple, can reduce the potential safety hazard of the oily permanent magnet synchronous motor operation of diving, and guarantees the reliability service of the latent oily permanent magnet synchronous motor of rotary magnetic steel formula at high-temperature oil well.
Claims (7)
1. the latent oily permanent-magnet synchronous motor rotor of a rotary magnetic steel formula surface magnet steel fixture is assembled yoke and magnet steel in the rotating shaft, and it is characterized in that: pressing plate is housed on the yoke, and magnet steel is assemblied between the pressing plate, magnet steel overcoat sleeve, and sleeve and pressing plate are installed together.
2. according to the latent oily permanent-magnet synchronous motor rotor of the described rotary magnetic steel formula of claim 1 surface magnet steel fixture, it is characterized in that: pressing plate is fixed on the yoke by holding screw.
3. according to the latent oily permanent-magnet synchronous motor rotor of the described rotary magnetic steel formula of claim 2 surface magnet steel fixture, it is characterized in that: be evenly equipped with screw hole on the pressing plate circumference, uniform holding screw is fixed in pressing plate on the yoke.
4. according to the described rotary magnetic steel formula of the claim 1 oily permanent-magnet synchronous motor rotor surface magnet steel fixture of diving, it is characterized in that: magnet steel sticks on the yoke between the pressing plate.
5. according to the latent oily permanent-magnet synchronous motor rotor of the described rotary magnetic steel formula of claim 1 surface magnet steel fixture, it is characterized in that: the corresponding convex groove structure that is provided with anti-sleeve rotation in the end of sleeve with the edge of pressing plate.
6. according to the latent oily permanent-magnet synchronous motor rotor of the described rotary magnetic steel formula of claim 1 surface magnet steel fixture, it is characterized in that: there is bossing the end of sleeve, and the edge of pressing plate is provided with breach, and sleeve bossing point is welded in the breach of pressing plate.
7. according to the described rotary magnetic steel formula of the claim 1 oily permanent-magnet synchronous motor rotor surface magnet steel fixture of diving, it is characterized in that: the pressing plate diameter equals the sleeve outer diameter on magnet steel surface or is slightly larger than 0.2 millimeter of the sleeve outer diameter on magnet steel surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205110541U CN201781386U (en) | 2010-08-31 | 2010-08-31 | Rotary magnetic steel type rotor surface magnetic steel fixing device of oil submersible permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205110541U CN201781386U (en) | 2010-08-31 | 2010-08-31 | Rotary magnetic steel type rotor surface magnetic steel fixing device of oil submersible permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201781386U true CN201781386U (en) | 2011-03-30 |
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ID=43794588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205110541U Expired - Lifetime CN201781386U (en) | 2010-08-31 | 2010-08-31 | Rotary magnetic steel type rotor surface magnetic steel fixing device of oil submersible permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201781386U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633802A (en) * | 2013-11-29 | 2014-03-12 | 南阳防爆集团股份有限公司 | Flameproof permanent magnetic synchronous power generator |
| CN104022588A (en) * | 2014-05-16 | 2014-09-03 | 铜陵和武机械制造有限责任公司 | Rotor |
-
2010
- 2010-08-31 CN CN2010205110541U patent/CN201781386U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633802A (en) * | 2013-11-29 | 2014-03-12 | 南阳防爆集团股份有限公司 | Flameproof permanent magnetic synchronous power generator |
| CN104022588A (en) * | 2014-05-16 | 2014-09-03 | 铜陵和武机械制造有限责任公司 | Rotor |
| CN104022588B (en) * | 2014-05-16 | 2016-09-07 | 铜陵和武机械制造有限责任公司 | A kind of rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110330 |