CN201805292U - Rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor - Google Patents
Rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor Download PDFInfo
- Publication number
- CN201805292U CN201805292U CN201020524506XU CN201020524506U CN201805292U CN 201805292 U CN201805292 U CN 201805292U CN 201020524506X U CN201020524506X U CN 201020524506XU CN 201020524506 U CN201020524506 U CN 201020524506U CN 201805292 U CN201805292 U CN 201805292U
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- permanent magnet
- subducted
- synchronous motor
- magnet synchronous
- magnetic steel
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Abstract
The utility model relates to a rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor, which belongs to the technical field of motors. The rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor is characterized by comprising a plurality of sections of magnet yokes fixedly provided with magnetic steels, and a rotating shaft centering mechanism is arranged among the magnet yokes. The rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor has the advantages of simple structure, convenient assembly, reliable performance, good using effect, and the like, can meet the power demand of high-capacity oil extraction equipment, expand the application range of a three-phase permanent magnet synchronous motor in the field of oil extraction power, greatly enhance the operating reliability of a permanent magnet motor, and guarantee the motor to operate normally for a long time.
Description
Technical field
The utility model belongs to the motor technology field, particularly relates to a kind of rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor.
Background technology
At present, the rotary magnetic steel formula permanent-magnet synchronous motor rotor structure of use is a kind of to be short iron core structure, and promptly yoke is installed in the rotating shaft, and magnet steel is fixed on the yoke; Another kind is long iron core structure, promptly directly magnet steel is fixed in the rotating shaft.Because the restriction of hole diameter, rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor external diameter and root diameter thereof, rotating shaft diameter dimension are little, so core length is all longer, the phenomenon of rotating shaft generation deflection is common.Existing long iron core structure, rotor rotated and stator do not bump in the time of can not guaranteeing rotating shaft generation deflection, just can not guarantee the operational reliability of the oil-filled subduction permanent magnet synchronous motor of long iron core yet.Existing long iron core in work rotor takes place often sweeps technical problems such as thorax, has potential safety hazard, even causes production accident.
Summary of the invention
The utility model provides a kind of rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor for solving the problem that prior art exists.
The utility model purpose provide a kind of have simple in structure, easy to assembly, dependable performance, result of use is good, can satisfy the demand of big capacity oil production equipment power, expanded the range of application of three-phase permanent-magnetic synchronous motors, improved the operational reliability of permanent magnet motor greatly, can guarantee rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor in characteristics such as the long-term normal operations of down-hole, oil field rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor in oil recovery power field.
The utility model rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor structure is used for the manufacturing of rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor, this structure can be carried out segmentation to rotor effectively and set upright under the situation of rotating shaft generation deflection, guarantee that motor moves reliably at downhole safety.
In order to overcome the deficiencies in the prior art, the utility model rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor adopts following technical scheme:
A kind of rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor is characterized in: motor rotor is made up of the yoke that some joints are fixed with magnet steel, is provided with the rotating shaft righting mechanism between yoke.
The utility model rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor can also adopt following technical measures:
Described rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor is characterized in: between per two joint yokes the rotating shaft righting mechanism is arranged.
Described rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor is characterized in: the rotating shaft righting mechanism is made up of bearing body and bearing holder (housing, cover), and bearing body is relative with bearing holder (housing, cover) to be assembled together.
Described rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor is characterized in: bearing holder (housing, cover) is fixed in the rotating shaft by key; Bearing body is positioned at the bearing holder (housing, cover) outside, and bearing body matches with stator core; Rotating shaft drives the bearing holder (housing, cover) rotation and constitutes sliding bearing with bearing body mill is paid.
Described rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor is characterized in: the bearing body outer ring has annular groove.
Described rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor is characterized in: rubber ring is housed in the annular groove, and rubber ring guarantees that when motor is worked bearing body is relative with stator core in motor static.
Described rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor is characterized in: every joint yoke all is fastened in the rotating shaft by key, and yoke surfaces is fixed with magnet steel.
Advantage that the utlity model has and good effect:
The rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor, owing to adopted the utility model brand-new technology scheme, compared with prior art, the rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor is by taking to be fixed with the yoke of magnet steel and the rotor structure that the bearing between per two joint yokes is formed jointly by some joints, segmentation is set upright rotor with the restrict rotor amount of deflection, has avoided the rotating shaft deflection and the rotor that causes is swept the consequence that thorax, motor damage.Can be with this structure applications in the rotary magnetic steel oil-filled type subducted 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 enlarge its capacity to satisfy the power requirement of oil production equipment more broadly, the electric submersible pumping system of comparing the three-phase filling type subduction Asynchronous Motor Driving of present widespread usage has significantly improved the efficient and the power factor of system, helps saving energy and reduce the cost.
The utlity model has simple in structure, easy to assembly, dependable performance, advantages such as result of use is good, can satisfy big capacity and adopt the demand of equipment dynamic, expanded the range of application of three-phase permanent-magnetic synchronous motors, improved the operational reliability of permanent magnet motor greatly, can guarantee in the long-term normal operation of down-hole, oil field rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor in oil recovery power field.
Description of drawings
Fig. 1 is the structural representation of the utility model rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor;
Fig. 2 is the magnetic yoke structure schematic diagram that is fixed with magnet steel among Fig. 1;
Fig. 3 is the right TV structure schematic diagram of Fig. 2;
Fig. 4 is the bearing body structural representation among Fig. 1;
Fig. 5 is the bearing holder (housing, cover) structural representation among Fig. 1.
Among the figure, 1. rotating shaft, 2. magnet steel, 3. yoke, 4. bearing body, 5. bearing holder (housing, cover), 6. rubber ring, 7. key, 8. key, 9. stator core.
Embodiment
For further understanding technology contents of the present utility model, characteristics and effect, enumerate following example now, and be described with reference to the accompanying drawings as follows:
With reference to accompanying drawing 1 to Fig. 5.
A kind of rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor is characterized in that: motor rotor is made up of the yoke 3 that some joints are fixed with magnet steel 2, and every joint yoke 3 is fastened in the rotating shaft 1 by key 7, and yoke 3 surfaces are fixed with magnet steel 2.Between per two joint yokes 3 the rotating shaft righting mechanism is arranged.The rotating shaft righting mechanism is made up of bearing body 4 and bearing holder (housing, cover) 5, bearing body 4 and bearing holder (housing, cover) 5 relative being assembled together.Bearing holder (housing, cover) 5 is fixed in the rotating shaft 1 by key 8; Bearing body 4 is positioned at bearing holder (housing, cover) 5 outsides, and bearing body 4 matches with stator core 9; Rotating shaft 1 drives bearing holder (housing, cover) 5 rotations and constitutes sliding bearing with bearing body 4 mill is paid.Bearing body 4 outer rings have annular groove.Rubber ring 6 is housed in the annular groove, and rubber ring 6 guarantees that when motor is worked bearing body 4 is relative static with stator core in motor 9.
The assembly structure of present embodiment: rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor structure, motor internal is oil-filled, be connected and fixed yoke 3, be connected and fixed bearing holder (housing, cover) 5 by key 7 in the rotating shaft 1, be fixed with magnet steel 2 on the yoke 3, rubber ring 6 is housed on the bearing body 4 by key 8.During motor work, bearing body 4 is static relatively with respect to stator core 9, and bearing body 4 constitutes sliding bearing with bearing holder (housing, cover) 5 to be paid mill, and rotating shaft 1 is set upright in segmentation.Yoke 3 can be set according to the motor capacity needs with the quantity of bearing body 4, bearing holder (housing, cover) 5, between per two yokes 3 bearing body 4, bearing holder (housing, cover) 5 is arranged.
Present embodiment version uniqueness, operation sequence is simple, can reduce the potential safety hazard of oil-filled subduction permanent magnet synchronous motor operation, guarantees the reliability service of rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor in the down-hole.
Claims (7)
1. rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor, it is characterized in that: motor rotor is made up of the yoke that some joints are fixed with magnet steel, is provided with the rotating shaft righting mechanism between yoke.
2. according to the described rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor of claim 1, it is characterized in that: between per two joint yokes the rotating shaft righting mechanism is arranged.
3. according to claim 1 or 2 described rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotors, it is characterized in that: the rotating shaft righting mechanism is made up of bearing body and bearing holder (housing, cover), and bearing body is relative with bearing holder (housing, cover) to be assembled together.
4. according to the described rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor of claim 3, it is characterized in that: bearing holder (housing, cover) is fixed in the rotating shaft by key; Bearing body is positioned at the bearing holder (housing, cover) outside, and bearing body matches with stator core; Rotating shaft drives the bearing holder (housing, cover) rotation and constitutes sliding bearing with bearing body mill is paid.
5. according to the described rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor of claim 4, it is characterized in that: the bearing body outer ring has annular groove.
6. according to the described rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor of claim 5, it is characterized in that: rubber ring is housed in the annular groove, and rubber ring guarantees that when motor is worked bearing body is relative with stator core in motor static.
7. according to the described rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor of claim 1, it is characterized in that: every joint yoke all is fastened in the rotating shaft by key, and yoke surfaces is fixed with magnet steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020524506XU CN201805292U (en) | 2010-09-09 | 2010-09-09 | Rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020524506XU CN201805292U (en) | 2010-09-09 | 2010-09-09 | Rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201805292U true CN201805292U (en) | 2011-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020524506XU Expired - Lifetime CN201805292U (en) | 2010-09-09 | 2010-09-09 | Rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201805292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101924408A (en) * | 2010-09-09 | 2010-12-22 | 天津市百利溢通电泵有限公司 | Rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor rotor |
-
2010
- 2010-09-09 CN CN201020524506XU patent/CN201805292U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101924408A (en) * | 2010-09-09 | 2010-12-22 | 天津市百利溢通电泵有限公司 | Rotary magnetic steel oil-filled type subducted permanent magnet synchronous motor 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: 20110420 |