CN115990855B - Dismounting tool for magnetic suspension bearing - Google Patents
Dismounting tool for magnetic suspension bearing Download PDFInfo
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- CN115990855B CN115990855B CN202310274855.2A CN202310274855A CN115990855B CN 115990855 B CN115990855 B CN 115990855B CN 202310274855 A CN202310274855 A CN 202310274855A CN 115990855 B CN115990855 B CN 115990855B
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- axial direction
- magnetic suspension
- clamping blocks
- suspension bearing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention relates to the technical field of disassembly of magnetic suspension bearings, in particular to a disassembly tool of a magnetic suspension bearing. The disassembly tool of the magnetic suspension bearing comprises: the at least two clamping blocks are oppositely arranged and are contacted with the inner ring of the magnetic suspension bearing; the transmission piece is penetrated with at least two clamping blocks in the axial direction and is in transmission fit with an end cover of the flywheel energy storage system; the ejection piece is in transmission fit with the transmission piece, the transmission piece drives the ejection piece to move in the axial direction, and the ejection piece is matched with at least two clamping blocks to drive at least two clamping blocks to move in the axial direction. Through mutually supporting between driving medium, ejecting piece and the at least two clamp splice for the clamp splice carries magnetic suspension bearing to remove in axial direction, thereby can dismantle magnetic suspension bearing, dismantles frock simple structure on the one hand, on the other hand can improve operation factor of safety.
Description
Technical Field
The invention relates to the technical field of disassembly of magnetic suspension bearings, in particular to a disassembly tool of a magnetic suspension bearing.
Background
Magnetic bearings (Magnetic bearings) use Magnetic force to suspend the rotor in the air so that there is no mechanical contact between the rotor and the stator.
In the related art, when the magnetic suspension bearing is disassembled, the magnetic suspension bearing is disassembled manually by personnel, but the disassembly mode is easy to damage the magnetic suspension bearing on one hand, and on the other hand, the safety problem is easy to occur in the disassembly process.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a disassembly tool for the magnetic suspension bearing, and the transmission piece, the ejection piece and the at least two clamping blocks are matched with each other, so that the at least two clamping blocks move in the axial direction with the magnetic suspension bearing, and the magnetic suspension bearing can be disassembled.
The disassembly tool for the magnetic suspension bearing comprises the following components: the at least two clamping blocks are oppositely arranged and are contacted with the inner ring of the magnetic suspension bearing; a drive assembly, the drive assembly comprising: the transmission piece is penetrated with at least two clamping blocks in the axial direction and is in transmission fit with an end cover of the flywheel energy storage system; the ejection piece is in transmission fit with the transmission piece, the transmission piece drives the ejection piece to move in the axial direction, and the ejection piece is matched with at least two clamping blocks to drive at least two clamping blocks to move in the axial direction.
According to the disassembly tool for the magnetic suspension bearing, through the mutual matching among the transmission part, the ejection part and the at least two clamping blocks, the at least two clamping blocks move in the axial direction with the magnetic suspension bearing, so that the magnetic suspension bearing can be disassembled, the disassembly tool is simple in structure, and the operation safety coefficient can be improved.
In the invention, the inner wall of the lower end of the clamping block in the axial direction is provided with a first step part, one end of the ejection piece, which faces the clamping block, is provided with a second step part, and the first step part and the second step part are mutually matched.
In the invention, the outer periphery of the lower end of the clamping block in the axial direction is provided with a third step part which is used for being matched with the inner ring of the magnetic suspension bearing.
In the invention, a first threaded part is arranged on the periphery of the transmission part, a through hole penetrating in the axial direction is arranged at the center position of the ejection part in the radial direction, a second threaded part is arranged in the through hole, and the first threaded part and the second threaded part are in threaded fit.
In the invention, the disassembly tool of the magnetic suspension bearing further comprises: the guide sleeve is arranged above the ejection piece, in the axial direction, a part of the guide sleeve is clamped between at least two clamping blocks, the lower end face of the other part of the guide sleeve is abutted to the upper end face of the clamping blocks, a through hole penetrating in the axial direction is formed in the guide sleeve, and the transmission piece penetrates through the through hole.
In the present invention, the guide bush includes: the diameter of the second section is smaller than that of the first section, a fourth step part is formed between the first section and the second section, the fourth step part is abutted to one end, deviating from the magnetic suspension bearing, of the clamping block, and the second section is abutted to the inner wall of at least two clamping blocks.
In the invention, a first inclined plane is arranged at one end of the guide sleeve, which faces the clamping block, a second inclined plane is arranged at one end of the clamping block, which faces the guide sleeve, the first inclined plane and the second inclined plane are mutually abutted, and a third threaded part is arranged on the through hole and is in threaded fit with the first threaded part.
In the invention, the disassembly tool of the magnetic suspension bearing further comprises: the gasket is arranged between the ejection piece and the end cover of the flywheel energy storage system, and the gasket is in transmission fit with the transmission piece.
In the present invention, the driving assembly further includes: the driving piece and the connecting piece, the connecting piece is connected between the driving piece and the driving piece, the driving piece is used for driving the driving piece to circumferentially rotate.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic structural view of a disassembly tool according to an embodiment of the invention;
FIG. 2 is an exploded view of a disassembly tool according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a disassembly tool and magnetic suspension bearing mating structure according to an embodiment of the invention;
FIG. 4 is a cross-sectional view of a disassembly tool and a magnetic suspension bearing according to a first embodiment of the invention;
fig. 5 is a cross-sectional view of a disassembly tool and a magnetic suspension bearing according to a second embodiment of the present invention.
Reference numerals:
100. disassembling the tool;
10. clamping blocks; 11. a first step portion; 12. a third step portion; 13. a second inclined surface;
20. a transmission member;
30. an ejector; 31. a second step portion;
40. a guide sleeve; 41. a through hole; 42. a first section; 43. a second section; 44. a first inclined surface; 46. a fourth step portion;
50. a gasket;
200. a magnetic suspension bearing; 300. an end cap.
Detailed Description
The embodiments of the present invention are described in detail below, by way of example with reference to the accompanying drawings, and the detailed description of the invention is described below.
A disassembly tool 100 of a magnetic bearing 200 according to an embodiment of the present invention is described below with reference to fig. 1 to 5.
First, the magnetic suspension bearing 200 uses magnetic force to suspend the rotor in the air, so that there is no mechanical contact between the rotor and the stator. The principle is that the magnetic induction lines are perpendicular to the magnetic levitation lines, the shaft cores are parallel to the magnetic levitation lines, so that the weight of the rotor is fixed on a running track, the shaft cores which are almost unloaded are propped against the direction of the magnetic levitation lines, and the whole rotor is formed to be suspended and fixed on the fixed running track. Compared with the traditional rolling bearing, sliding bearing and oil film bearing, the magnetic suspension bearing 200 has no mechanical contact, the rotor can run to very high rotation speed, has the advantages of small mechanical abrasion, low energy consumption, small noise, long service life, no need of lubrication, no oil pollution and the like,
referring to fig. 1 and 2, a disassembly tool 100 of a magnetic bearing 200 according to the present invention includes: at least two clamping blocks 10, a drive assembly and an ejector 30.
The driving assembly comprises a driving member 20, the driving member 20 penetrates through the at least two clamping blocks 10 in the axial direction, the driving member 20 is in driving fit with an end cover 300 of the flywheel energy storage system, an ejector member 30 is in driving fit with the driving member 20, the driving member 20 drives the ejector member 30 to move in the axial direction, and the ejector member 30 and the at least two clamping blocks 10 are mutually abutted to drive the at least two clamping blocks 10 to move in the axial direction. That is, the following is true. The ejector member 30 can be driven to move in the axial direction by the driving member 20, and the at least two clamping blocks 10 can be driven to move in the axial direction while the at least two clamping blocks 10 are driven to move in the axial direction due to the fact that the ejector member 30 and the at least two clamping blocks 10 are matched with each other, namely, the ejector member 30 moves in the axial direction while the at least two clamping blocks 10 are matched with the inner ring of the magnetic suspension bearing 200, so that the magnetic suspension bearing 200 can be disassembled.
Therefore, through the mutual matching among the transmission piece 20, the ejection piece 30 and the at least two clamping blocks 10, the at least two clamping blocks 10 move in the axial direction with the magnetic suspension bearing 200, so that the magnetic suspension bearing 200 can be disassembled, the disassembling tool 100 is simple in structure, and the operation safety coefficient can be improved.
Wherein, referring to fig. 2, the inner wall of the clamp block 10 toward the lower end of the ejector 30 in the axial direction is provided with a first step portion 11, and the end of the ejector 30 toward the clamp block 10 is provided with a second step portion 31, the first step portion 11 and the second step portion 31 being engaged with each other. By the mutual abutting between the first step part 11 and the second step part 31, when the ejection member 30 moves in the axial direction, the ejection member 30 can drive at least two clamping blocks 10 to move together. The manner of axially moving the at least two clamping blocks 10 by the mutual abutment of the first step 11 and the second step 31 is relatively simple, and of course, the ejector 30 can also be engaged with the at least two clamping blocks 10 by other means.
Further, as shown in fig. 1, the outer periphery of the lower end of the clamp block 10 in the axial direction is provided with a third step portion 12, and the third step portion 12 is for being fitted with the inner ring of the magnetic bearing 200. That is, the third step portion 12 is provided at the outer circumference of the clamping blocks 10, and further the third step portion 12 is provided at the lower end in the axial direction, so that the third step portion 12 can be mutually matched with the inner ring of the magnetic suspension bearing 200, and further the magnetic suspension bearing 200 can be driven to move in the axial direction when at least two clamping blocks 10 move in the axial direction, so that the disassembly of the magnetic suspension bearing 200 can be realized. Specifically, the third step 12 may abut against the magnetic bearing 200.
Referring to fig. 1, the third step portion 12 has a dimension h1 in the radial direction, and the maximum gap between at least two of the clamp blocks 10 in the inner ring of the magnetic bearing 200 is h2, where h1 and h2 satisfy the relationship: h1 is less than h2. That is, when at least two of the clamp blocks 10 are each abutted against the inner ring of the magnetic bearing 200, the gap between the at least two of the clamp blocks 10 is h2, and the dimension of the third step portion 12 in the radial direction is h1, by making h2 > h1, the overall dimension when the at least two of the clamp blocks 10 are in contact with each other is made smaller than the overall dimension when the at least two of the clamp blocks 10 are each abutted against the inner ring of the magnetic bearing 200, thereby facilitating placement of the at least two of the clamp blocks 10 on the inner ring of the magnetic bearing 200.
And, the outer circumference of the driving member 20 is provided with a first screw portion, the ejector 30 is provided at a central position in the radial direction with a through hole penetrating in the axial direction, a second screw portion is provided in the through hole, and the first screw portion and the second screw portion are screw-engaged. That is, the driving member 20 and the ejector member 30 are in driving connection with each other by the first screw portion and the second screw portion, that is, the ejector member 30 can be axially moved by screw engagement of the second screw portion and the first screw portion when the driving member 20 is rotated.
Referring to fig. 1 to 5, the disassembly tool 100 of the magnetic bearing 200 further includes: the guide sleeve 40, the guide sleeve 40 sets up in the top of ejecting piece 30, and the part of guide sleeve 40 presss from both sides and establishes between two at least clamp splice 10, and the lower terminal surface of another part of guide sleeve and the up end butt of clamp splice 10 are provided with the through-hole 41 that link up in the axial direction on the guide sleeve 40, and through-hole 41 is worn to establish by driving medium 20. In this way, through setting up uide bushing 40 for the through-hole 41 on the uide bushing 40 can be worn to establish by driving medium 20, and that is, driving medium 20 can follow through-hole 41 axial displacement, thereby realizes the guide effect through uide bushing 40, promotes the driving stability of driving medium 20 effectively.
According to an alternative embodiment of the present invention, referring to fig. 4, a guide housing 40 includes: the diameter of the second section 43 is smaller than that of the first section 42, a fourth step portion 46 is formed between the first section 42 and the second section 43, one end, away from the magnetic suspension bearing 200, of the fourth step portion 46 and the clamping block 10 is abutted, and the second section 43 is abutted between the inner walls of at least two clamping blocks 10. So arranged, the second section 43 fits between the inner walls of at least two of the clamping blocks 10, i.e. the second section 43 can expand the at least two clamping blocks 10 such that a stable fit is formed between the at least two clamping blocks 10 and the magnetic bearing 200.
According to another alternative embodiment of the present invention, referring to fig. 5, the end of the guide sleeve 40 facing the clamp block 10 is provided with a first inclined surface 44, the end of the clamp block 10 facing the guide sleeve 40 is provided with a second inclined surface 13, the first inclined surface 44 and the second inclined surface 13 are abutted against each other, and the through hole 41 is provided with a third threaded portion which is in threaded engagement with the first threaded portion. Thus, by providing the first inclined surface 44 on the guide sleeve 40 and providing the second inclined surface 13 on the clamp block 10, when the guide sleeve 40 is abutted against the clamp block 10, since the guide sleeve 40 is screwed with the first threaded portion through the third threaded portion, the guide sleeve 40 moves downward and expands to tightly clamp at least two clamp blocks 10, that is, stable engagement is formed between at least two clamp blocks 10 and the magnetic suspension bearing 200.
Further, referring to fig. 1 to 5, the disassembly tool 100 of the magnetic bearing 200 further includes: the gasket 50, the gasket 50 is disposed between the ejector member 30 and the end cap 300 of the flywheel energy storage system, and the gasket 50 is in driving engagement with the driving member 20. Thus, by providing the gasket 50 between the ejector 30 and the end cap 300, the transmission member 20 abuts against the gasket 50 after passing through the ejector 30, that is, the end cap 300 can be protected by the gasket 50.
Further, the drive assembly further comprises: the driving member and the connecting member are connected between the driving member and the transmission member 20, and the driving member is used for driving the transmission member 20 to rotate circumferentially. That is, by providing the driving member and the connecting member, the driving member can drive the driving member 20 to rotate in the circumferential direction through the connecting member, so that the driving member 20 can drive at least two of the clamp blocks 10 to move in the axial direction with the magnetic bearing 200, thereby enabling the magnetic bearing 200 to be disassembled.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (3)
1. The utility model provides a dismantlement frock of magnetic suspension bearing which characterized in that includes:
the inner wall of the lower end of the clamping block in the axial direction is provided with a first step part, the periphery of the lower end of the clamping block in the axial direction is provided with a third step part, and the third step part is used for being matched with the inner ring of the magnetic suspension bearing;
a drive assembly, the drive assembly comprising: the transmission piece is penetrated with at least two clamping blocks in the axial direction and is in transmission fit with an end cover of the flywheel energy storage system, and a first thread part is arranged on the periphery of the transmission piece;
the center of the ejection piece in the radial direction is provided with a through hole in the axial direction, the through hole is internally provided with a second threaded part, the first threaded part and the second threaded part are in threaded fit, the transmission piece drives the ejection piece to move in the axial direction, the ejection piece and at least two clamping blocks are mutually abutted, one end of the ejection piece, facing the clamping blocks, is provided with a second step part, and the first step part and the second step part are mutually matched to drive at least two clamping blocks to move in the axial direction;
the guide sleeve is arranged above the ejection piece, a part of the guide sleeve is clamped between at least two clamping blocks in the axial direction, the lower end face of the other part of the guide sleeve is abutted against the upper end face of the clamping block, a through hole penetrating in the axial direction is formed in the guide sleeve, and the transmission piece penetrates through the through hole; the method comprises the steps of,
the uide bushing includes: the diameter of the second section is smaller than that of the first section, a fourth step part is formed between the first section and the second section, the fourth step part is abutted with one end of the clamping block, which is away from the magnetic suspension bearing, and the second section is abutted between the inner walls of at least two clamping blocks; or alternatively, the first and second heat exchangers may be,
the guide sleeve is provided with first inclined plane towards the one end of clamp splice, the clamp splice is provided with the second inclined plane towards the one end of guide sleeve, first inclined plane with the mutual butt of second inclined plane is provided with the third screw thread portion on the through-hole, third screw thread portion with first screw thread portion screw thread fit.
2. The disassembly tool for a magnetic suspension bearing according to claim 1, further comprising: the gasket is arranged between the ejection piece and the end cover of the flywheel energy storage system, and the gasket is in transmission fit with the transmission piece.
3. The disassembly tool for a magnetic bearing according to claim 1, wherein the drive assembly further comprises: the driving piece and the connecting piece, the connecting piece is connected between the driving piece and the driving piece, the driving piece is used for driving the driving piece to circumferentially rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310274855.2A CN115990855B (en) | 2023-03-21 | 2023-03-21 | Dismounting tool for magnetic suspension bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310274855.2A CN115990855B (en) | 2023-03-21 | 2023-03-21 | Dismounting tool for magnetic suspension bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115990855A CN115990855A (en) | 2023-04-21 |
| CN115990855B true CN115990855B (en) | 2023-06-16 |
Family
ID=85992291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310274855.2A Active CN115990855B (en) | 2023-03-21 | 2023-03-21 | Dismounting tool for magnetic suspension bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115990855B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8025980U1 (en) * | 1980-09-27 | 1982-01-28 | E.A. Storz Gmbh & Co Kg, 7200 Tuttlingen | CAR LIFT |
| US5559381A (en) * | 1993-11-08 | 1996-09-24 | Rosen Motors, L.P. | Flywheel support system for mobile energy storage |
| CN101722498A (en) * | 2008-10-20 | 2010-06-09 | 天津天铁冶金集团有限公司 | Special tool for disassembling and assembling rolling bearing |
| CN206185801U (en) * | 2016-11-25 | 2017-05-24 | 铜陵化工集团新桥矿业有限公司 | Blind hole bearing detaching device |
| CN210361147U (en) * | 2019-04-30 | 2020-04-21 | 庆铃汽车（集团）有限公司 | Bearing disassembling tool |
| CN211729020U (en) * | 2019-12-24 | 2020-10-23 | 山东中川液压有限公司 | Tool for disassembling bearing |
| CN115492854A (en) * | 2021-06-18 | 2022-12-20 | 开利公司 | Magnetic bearing device, compressor and protective bearing gap adjusting method |
| CN113691070B (en) * | 2021-08-25 | 2022-07-05 | 中车株洲电机有限公司 | Motor structure and bearing replacement method thereof |
| CN216577625U (en) * | 2021-10-21 | 2022-05-24 | 青岛港国际股份有限公司 | Disassembling tool |
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2023
- 2023-03-21 CN CN202310274855.2A patent/CN115990855B/en active Active
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| CN115990855A (en) | 2023-04-21 |
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