CN211142279U - Mixed magnetic suspension bearing for driving spindle of rotor ultra-high-speed motor - Google Patents
Mixed magnetic suspension bearing for driving spindle of rotor ultra-high-speed motor Download PDFInfo
- Publication number
- CN211142279U CN211142279U CN201922028259.8U CN201922028259U CN211142279U CN 211142279 U CN211142279 U CN 211142279U CN 201922028259 U CN201922028259 U CN 201922028259U CN 211142279 U CN211142279 U CN 211142279U
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- 239000000725 suspension Substances 0.000 title claims abstract description 27
- 230000007704 transition Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 4
- 238000009987 spinning Methods 0.000 abstract description 4
- 230000005389 magnetism Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000007383 open-end spinning Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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Abstract
A mixed magnetic suspension bearing for driving a spindle of a spinning cup ultra-high-speed motor belongs to the technical field of bearings and structurally comprises an upper structure and a lower structure which are arranged on the spindle, the structure is novel, the motor is electrified, a radial magnetic ring and a radial lower magnetic ring generate a rotating magnetic field and act on the spindle of the motor to form magnetoelectric power rotating torque, the spindle starts to rotate in a radial suspension manner, the spindle axially comprises an axial first upper magnetic ring, an axial first lower magnetic ring, an axial second upper magnetic ring and an axial second lower magnetic ring to generate a magnetic field, the changed magnetic field generates axial acting force on the spindle part of the motor to suspend the spindle part of the motor, and the magnetic field size of the axial first upper magnetic ring and the axial first lower magnetic ring can be adjusted through coils, so that the axial suspension of the spindle part of the motor is controlled, and the. The utility model discloses make the rotor high-speed motor main shaft change air friction into by sliding friction, reduced frictional force, improved the rotational speed, make the main shaft rotational speed improve to tens of thousands to hundreds of thousands of commentaries on classics.
Description
Technical Field
The utility model belongs to the technical field of the bearing, a magnetic suspension bearing structure is related to, especially relate to a mixed magnetism suspension bearing that is used for driving spinning cup hypervelocity motor main shaft.
Background
The bearing is used as an important part in modern mechanical equipment, has the main functions of supporting and reducing friction, and ensures the rotation precision of the bearing. With the development of magnetic suspension technology in recent years, the magnetic suspension bearing has wide application in the field of bearings, and the market share is large. The advantages of the conventional high-speed bearing are: high precision, small surface roughness, small clearance and small volume; the disadvantages are that: the high-speed bearing is seriously worn, the working temperature is high when the load is large, the failure rate is high, the service life is short and the power consumption is large; the corresponding magnetic suspension bearing has a series of characteristics of no friction, low noise, environmental protection, high rotating speed and the like, and has great development prospect and high economic value. The main shaft is driven by the motor to automatically suspend, so that stable and frictionless operation is realized, and the speed of tens of thousands or hundreds of thousands of revolutions can be achieved without lubrication. At present, most of bearings of a textile motor used for the textile industry adopt contact type bearings, the contact surface is seriously abraded, the adjusting precision and the sensitivity are not high, the structural size is large, the rotating speed is low, and the requirement of the existing increasingly high rotating speed cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the main shaft bearing to present rotor spinning motor, slow to motor spindle rotational speed, adjust the precision low, the noise is big, wearing and tearing are serious etc. not enough, provide a mix magnetism suspension bearing for driving rotor hypervelocity motor main shaft, make axial, radial formation symmetrical formula structure, can reduce overall structure's volume, it is more convenient to motor spindle position control, can reach the effect of the external force that the balanced motor spindle receives, can make motor spindle carry out work steadily at a high speed more.
The technical scheme of the utility model is that: the mixed magnetic suspension bearing for driving the spindle of the rotor super-high-speed motor comprises a spindle connected with a rotor motor; the method is characterized in that: the mixed magnetic suspension bearing consists of an upper structure and a lower structure which are arranged on the main shaft;
the upper structure is formed by connecting a radial upper magnetic ring, an axial first upper magnetic ring, an upper hoop, an axial first lower magnetic ring, a coil and an axial coil base, the upper part of the main shaft is provided with a convex ring, the axial first upper magnetic ring is arranged on the left side of the convex ring, the axial first upper magnetic ring is arranged on the outer circumference of the convex ring, the outer side of the axial first upper magnetic ring is provided with the upper hoop, the axial coil base is arranged on the right side of the convex ring, the coil is arranged in the axial coil base, the inner side of the coil is provided with the axial first lower magnetic ring, and an axial gap is formed between the axial first upper magnetic ring and the axial first lower magnetic ring;
the lower structure is formed by connecting a motor cover, an axial second upper magnetic ring, an axial second lower magnetic ring, a lower hoop and a radial lower magnetic ring; the lower part of the main shaft is provided with a convex ring, the outer circumference of the convex ring is provided with an axial second lower magnetic ring, the outer side of the axial second lower magnetic ring is provided with a lower hoop, the axial second upper magnetic ring is arranged on the left side of the convex ring, the motor cover is arranged on the left side of the axial second upper magnetic ring, the radial lower magnetic ring is arranged on the right side of the convex ring, an axial gap is formed between the axial second upper magnetic ring and the axial second lower magnetic ring, and an axial gap is formed between the axial second lower magnetic ring and the radial lower magnetic ring.
The main shaft and the radial lower magnetic ring form clearance fit.
The axial first upper magnetic ring and the convex ring at the upper part of the main shaft form transition fit; the second lower axial magnetic ring is in transition fit with the convex ring at the lower part of the main shaft.
The outer diameter of the axial coil seat is equal to that of the motor cover.
The specifications of the radial magnetic ring and the radial lower magnetic ring are the same.
The utility model has the advantages that: the utility model provides a pair of mix magnetism suspension bearing for driving spinning cup super high speed motor main shaft, structurally constitute by setting up superstructure and substructure at the main epaxial, novel structure, the motor circular telegram, the footpath upwards magnetic ring produces rotating magnetic field and acts on motor spindle with radial magnetic ring down, form the rotatory moment of torsion of magnetoelectric power, the main shaft begins radial suspension to rotate, the axial is first by the axial on the magnetic ring, the first magnetic ring that falls of axial, magnetic ring and axial second are down magnetic ring component on the axial second, produce magnetic field, the magnetic field of change produces axial effort to motor spindle unit, thereby suspension motor spindle unit, and the first magnetic field size of going up magnetic ring and axial first magnetic ring of axial can be adjusted through the coil, thereby control motor spindle unit's axial suspension, the effect of balanced its external force. The utility model provides a permanent magnet bearing's application makes the rotor high speed motor main shaft change air friction into by sliding friction, has reduced frictional force, has improved the rotational speed, makes the main shaft rotational speed improve to tens of thousands to hundreds of thousands of commentaries on classics.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: the magnetic coupling comprises a main shaft 1, a radial magnetic ring 2, an upper hoop 3, an axial first upper magnetic ring 4, an axial first lower magnetic ring 5, a coil 6, an axial coil base 7, a motor cover 8, an axial second upper magnetic ring 9, an axial second lower magnetic ring 10, a lower hoop 11 and a radial lower magnetic ring 12.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in figure 1, the mixed magnetic suspension bearing for driving the spindle of the rotor super-speed motor comprises a spindle 1 connected with a rotor motor, and comprises an upper structure and a lower structure which are arranged on the spindle 1; the upper structure is formed by connecting a radial magnetic ring 2, an axial first upper magnetic ring 4, an upper hoop ring 3, an axial first lower magnetic ring 5, a coil 6 and an axial coil base 7, a convex ring is arranged at the upper part of the main shaft 1, the axial first upper magnetic ring 4 is arranged at the left side of the convex ring, the axial first upper magnetic ring 4 is arranged on the outer circumference of the convex ring, the upper hoop ring 3 is arranged at the outer side of the axial first upper magnetic ring 4, the axial coil base 7 is arranged at the right side of the convex ring, the coil 6 is arranged in the axial coil base 7, the axial first lower magnetic ring 5 is arranged at the inner side of the coil 6, and an axial gap is formed between the axial first upper magnetic ring 4 and the axial first; the lower structure is formed by connecting a motor cover 8, an axial second upper magnetic ring 9, an axial second lower magnetic ring 10, a lower hoop 11 and a radial lower magnetic ring 12; the lower part of the main shaft 1 is provided with a convex ring, the outer circumference of the convex ring is provided with an axial second lower magnetic ring 10, the outer side of the axial second lower magnetic ring 10 is provided with a lower hoop 11, an axial second upper magnetic ring 9 is arranged on the left side of the convex ring, a motor cover 8 is arranged on the left side of the axial second upper magnetic ring 9, a radial lower magnetic ring 12 is arranged on the right side of the convex ring, an axial gap is formed between the axial second upper magnetic ring 9 and the axial second lower magnetic ring 10, and an axial gap is formed between the axial second lower magnetic ring 10 and the radial lower magnetic ring 12.
As shown in fig. 1, in the magnetic mixing suspension bearing for driving the spindle of the rotor super-high speed motor, a spindle 1 forms clearance fit with a radial magnetic ring 2, and the spindle 1 forms clearance fit with a radial lower magnetic ring 12; the axial first upper magnetic ring 4 is in transition fit with a convex ring at the upper part of the main shaft; the axial second lower magnetic ring 10 and the convex ring at the lower part of the main shaft form transition fit; the outer diameter of the axial coil seat 7 is equal to that of the motor cover 8; the radial magnetic ring 2 and the radial lower magnetic ring 12 have the same specification.
As shown in fig. 1, in the magnetic hybrid suspension bearing for driving a spindle of a spinning cup ultra-high speed motor, when the motor is powered on, a radial magnetic ring component and a radial lower magnetic ring component generate a rotating magnetic field and act on the spindle of the motor to form a magnetoelectric power rotating torque, the spindle of the motor starts to rotate in a radial suspension manner, and the spindle of the motor is axially controlled by two groups of permanent magnetic bearings, wherein the first group consists of an axial first upper magnetic ring and an axial first lower magnetic ring, the second group consists of an axial second upper magnetic ring and an axial second lower magnetic ring, a magnetic field is generated, the changed magnetic field generates an axial acting force on the spindle of the motor to suspend the spindle of the motor, and the magnetic field size of the axial first upper magnetic ring and the axial first lower magnetic ring can be adjusted by a coil, so that. The utility model provides a permanent magnet bearing's application makes the rotor high speed motor main shaft change air friction into by sliding friction, has reduced frictional force, has improved the rotational speed, makes the main shaft rotational speed improve to tens of thousands to hundreds of thousands of commentaries on classics.
Claims (5)
1. The mixed magnetic suspension bearing for driving the spindle of the rotor super-high-speed motor comprises a spindle (1) connected with a rotor motor; the method is characterized in that: the mixed magnetic suspension bearing consists of an upper structure and a lower structure which are arranged on the main shaft (1);
the upper structure is formed by connecting a radial magnetic ring (2), an axial first upper magnetic ring (4), an upper hoop (3), an axial first lower magnetic ring (5), a coil (6) and an axial coil base (7), a convex ring is arranged at the upper part of the main shaft (1), the axial first upper magnetic ring (4) is arranged at the left side of the convex ring, the axial first upper magnetic ring (4) is arranged on the outer circumference of the convex ring, the upper hoop (3) is arranged at the outer side of the axial first upper magnetic ring (4), the axial coil base (7) is arranged at the right side of the convex ring, the coil (6) is arranged in the axial coil base (7), the axial first lower magnetic ring (5) is arranged at the inner side of the coil (6), and an axial gap is formed between the axial first upper magnetic ring (4) and the axial first lower magnetic ring (5);
the lower structure is formed by connecting a motor cover (8), an axial second upper magnetic ring (9), an axial second lower magnetic ring (10), a lower hoop ring (11) and a radial lower magnetic ring (12); the magnetic bearing is characterized in that a convex ring is arranged at the lower part of the main shaft (1), an axial second lower magnetic ring (10) is arranged on the outer circumference of the convex ring, a lower hoop (11) is arranged on the outer side of the axial second lower magnetic ring (10), an axial second upper magnetic ring (9) is arranged on the left side of the convex ring, the motor cover (8) is arranged on the left side of the axial second upper magnetic ring (9), a radial lower magnetic ring (12) is arranged on the right side of the convex ring, an axial gap is formed between the axial second upper magnetic ring (9) and the axial second lower magnetic ring (10), and an axial gap is formed between the axial second lower magnetic ring (10) and the radial lower magnetic ring (12).
2. The hybrid magnetic suspension bearing for driving a spindle of a rotor super high speed motor according to claim 1, wherein: the spindle (1) and the radial magnetic ring (2) form clearance fit, and the spindle (1) and the radial lower magnetic ring (12) form clearance fit.
3. The hybrid magnetic suspension bearing for driving a spindle of a rotor super high speed motor according to claim 1, wherein: the axial first upper magnetic ring (4) is in transition fit with a convex ring at the upper part of the main shaft; the second axial lower magnetic ring (10) and the convex ring at the lower part of the main shaft form transition fit.
4. The hybrid magnetic suspension bearing for driving a spindle of a rotor super high speed motor according to claim 1, wherein: the outer diameter of the axial coil seat (7) is equal to that of the motor cover (8).
5. The hybrid magnetic suspension bearing for driving a spindle of a rotor super high speed motor according to claim 1, wherein: the radial magnetic ring (2) and the radial lower magnetic ring (12) have the same specification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922028259.8U CN211142279U (en) | 2019-11-21 | 2019-11-21 | Mixed magnetic suspension bearing for driving spindle of rotor ultra-high-speed motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922028259.8U CN211142279U (en) | 2019-11-21 | 2019-11-21 | Mixed magnetic suspension bearing for driving spindle of rotor ultra-high-speed motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211142279U true CN211142279U (en) | 2020-07-31 |
Family
ID=71777005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922028259.8U Withdrawn - After Issue CN211142279U (en) | 2019-11-21 | 2019-11-21 | Mixed magnetic suspension bearing for driving spindle of rotor ultra-high-speed motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211142279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670183A (en) * | 2019-11-21 | 2020-01-10 | 扬州大学 | Mixed magnetic suspension bearing for driving spindle of rotor ultra-high-speed motor |
-
2019
- 2019-11-21 CN CN201922028259.8U patent/CN211142279U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670183A (en) * | 2019-11-21 | 2020-01-10 | 扬州大学 | Mixed magnetic suspension bearing for driving spindle of rotor ultra-high-speed motor |
| CN110670183B (en) * | 2019-11-21 | 2024-04-02 | 扬州大学 | Mixed magnetic suspension bearing for driving spindle of rotor ultra-high speed motor |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200731 Effective date of abandoning: 20240402 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200731 Effective date of abandoning: 20240402 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |