CN103994104A - Radial magnetic bearing tool - Google Patents
Radial magnetic bearing tool Download PDFInfo
- Publication number
- CN103994104A CN103994104A CN201410235325.8A CN201410235325A CN103994104A CN 103994104 A CN103994104 A CN 103994104A CN 201410235325 A CN201410235325 A CN 201410235325A CN 103994104 A CN103994104 A CN 103994104A
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- CN
- China
- Prior art keywords
- chuck
- hole
- magnetic bearing
- radial direction
- handle
- Prior art date
- 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.)
- Granted
Links
- 238000005339 levitation Methods 0.000 abstract 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 10
- 239000000725 suspension Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect 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
- 238000001514 detection method Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The invention discloses a radial magnetic bearing tool, and belongs to the field of magnetic levitation centrifugal blowers. The radial magnetic bearing tool comprises a base, a chuck installed in the base, a pressing head installed in the chuck, a camshaft installed in the pressing head and a stepping motor installed in the base and connected with the camshaft. The outer wall surface of the lower section of the pressing head is of a thread shape, and a nut is installed on the thread-shaped outer wall surface of the pressing head. A threaded hole extending in the transverse direction is formed in the left side wall of the base, a first groove extending in the transverse direction is formed in the right side wall of the base, and a second groove communicated with the first groove is formed in the right side wall of the chuck. A first handle is installed in the threaded hole. A second handle is installed in the first groove and the second groove, the tail end of the second handle makes contact with the threaded hole formed in the outer wall of the nut, and therefore the nut can be driven to rotate on the pressing head by pulling the second handle.
Description
Technical field:
The present invention relates to a kind of radial direction magnetic bearing frock, it belongs to magnetic suspension centrifugal blower field.
Background technique:
Magnetic suspension centrifugal blower is the one that adopts the turbine equipment of magnetic suspension bearing, its main structure is that blower wheel is directly installed on the extending end of magnetic bearing, and rotor is suspended vertically on active magnetic bearing controller, do not need speed increaser and coupling, realize and directly being driven by high-speed electric expreess locomotive, carried out the unit high-speed centrifugal blower of speed governing by frequency variator.
In existing magnetic suspension centrifugal blower, radial direction magnetic bearing is a requisite structure, for the detection of radial direction magnetic bearing performance, normally need radial direction magnetic bearing to be installed on after being fixed in radial direction magnetic bearing frock and to detect, therefore for how radial direction magnetic bearing being installed above the frock that is positioned radial direction magnetic bearing easily, industry is being found various way always, the present invention will specifically introduce a kind of radial direction magnetic bearing frock, and it can install location thereon by radial direction magnetic bearing very easily.
Summary of the invention:
The invention provides a kind of radial direction magnetic bearing frock, can very easily radial direction magnetic bearing be installed to location thereon by this radial direction magnetic bearing frock.
The present invention adopts following technological scheme: a kind of radial direction magnetic bearing frock, and it comprises:
Base, in described base, be formed with the first through hole that runs through base upper and lower surface, on the left side wall of described base, offer the tapped hole that a horizontal direction extends, on the right side wall of described base, offer the first groove that a horizontal direction extends and that connect with the first through hole;
Chuck, described chuck is installed in the epimere of base, and the upper end of described chuck extends beyond outside the upper surface of described base, in described chuck, be formed with the second through hole that runs through chuck upper and lower surface, on the right side wall of described chuck, offer the second groove that a horizontal direction extends and that connect in a lateral direction with the first groove, described the second groove and the second through hole connect;
Pressure head, described pressure head is installed in the epimere of the second through hole of chuck, in described pressure head, be formed with the third through-hole that runs through pressure head upper and lower surface, described pressure head comprises first portion and is positioned at the second portion of first portion below, the outer wall of described first portion and the inwall of chuck are cone match, separately, the outer wall of described second portion is shape of threads to the inwall of described second portion and chuck;
Nut, described nut is arranged in the second through hole of chuck and is installed on the outer wall of second portion, and position corresponding with the second groove on the outer wall of described nut is formed with screw;
Bearing, described bearing is installed in the second through hole of chuck and is positioned at pressure head below, and the bearing hole of described bearing and the third through-hole of pressure head connect on above-below direction;
Camshaft, described camshaft comprises the first paragraph being positioned at outside pressure head upper surface and is positioned at the second segment of first paragraph below, described second segment is installed in the third through-hole of pressure head and the bearing hole of bearing, and the lower end of described second segment extends beyond the lower surface of bearing;
Stepper motor, described stepper motor is installed in the hypomere of the first through hole of base, and described stepper motor is connected with camshaft with thinking that camshaft provides power;
First handle, described first handle is installed in tapped hole;
Second handle, described second handle is arranged in the first groove and is connected with the screw on the outer wall of nut after the second groove, with by pulling second handle and then driving nut to rotate on second portion.
Further, the end being installed on described first handle in tapped hole is shape of threads.
Further, the end being installed on described second handle in the screw on nut is shape of threads.
Further, described radial direction magnetic bearing frock also includes three circlips, and described three circlips are installed on respectively between pressure head first portion and nut, between nut and bearing, on bearing lower surface.
Further, described radial direction magnetic bearing frock also include be installed on camshaft and be connected to socket head screw on stepping motor rotating shaft and then that camshaft and stepper motor are connected together.
Further, the upper end of described chuck is provided with the breach that some longitudinal directions extend.
The present invention has following beneficial effect: in the present invention by pulling second handle, second handle drives nut rotation, nut rotarily drives pressure head and down moves, by the cone match between pressure head and chuck, chuck is strutted by pressure head, chuck will be tightened the silicon steel plate of radial direction magnetic bearing, and radial direction magnetic bearing is accurately located, thereby has ensured that location and installation that radial direction magnetic bearing can be firm is above radial direction magnetic bearing frock; While unloading radial direction magnetic bearing, need only reverse second handle, chuck will dwindle no longer tightens radial direction magnetic bearing silicon steel plate, and radial direction magnetic bearing can be easy to unload.
Brief description of the drawings:
Fig. 1 is the structural drawing of radial direction magnetic bearing frock of the present invention.
Fig. 2 is the sectional view of radial direction magnetic bearing frock of the present invention.
Fig. 3 is the structural drawing of radial direction magnetic bearing frock of the present invention when radial direction magnetic bearing is installed.
Wherein:
1-camshaft; 2-chuck; 3-pressure head; 4-radial direction magnetic bearing; 5-circlip; 6-nut; 7-bearing; 8-socket head screw; 9-base; 10-stepper motor; 11-first handle; 12-second handle; 20-the second groove; 21-breach; 22-lamellar body; 30-first portion; 31-second portion; 90-tapped hole; 91-the first groove; 100-first paragraph; 101-second segment; 40-the first plate body; 41-the second plate body; 42-silicon steel plate; 420-silicon steel plate magnetic pole.
Embodiment:
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Please refer to shown in Fig. 1 to Fig. 3, radial direction magnetic bearing frock of the present invention comprises base 9, is formed with the first through hole that runs through base 9 upper and lower surfaces in base 9; On the left side wall of base 9, offer the tapped hole 90 not being connected with the first through hole that a horizontal direction extends; On the right side wall of base 9, offer with the symmetrical position of tapped hole 90 the first groove 91 that a horizontal direction extends, this first groove 91 is connected with the first through hole.In the epimere of the first through hole of base 9, chuck 2 is installed, and the upper end of this chuck 2 extends beyond outside the upper surface of base 9, the position being positioned on this chuck 2 on base 9 upper surfaces is provided with the breach 21 that several longitudinal directions extend, and is divided into some lamellar bodies 22 by those breach 21 and then by the upper end of chuck 2; In the hypomere of the first through hole of base 9, stepper motor 10 is installed, wherein in chuck 2, be also formed with through the second through hole of chuck 2 upper and lower surfaces, on the right side wall of chuck 2, offer one with base 9 in the second groove 20 of connecting in a lateral direction of the first groove 91, this second groove 20 and the second through hole also connect.In the epimere of the second through hole of chuck 2, pressure head 3 is installed, wherein in pressure head 3, is formed with through the third through-hole of pressure head 3 upper and lower surfaces; Pressure head 3 is made up of first portion 30 and the second portion 31 that is positioned at first portion 30 belows, wherein the outer wall of first portion 30 is conical surface-shaped, the outside of second portion 31 is that cylinder is planar, it between the inwall of the outer wall of first portion 30 and chuck 2, is cone match, the alternate segment distance that is separated with between the outer wall of second portion 31 and chuck 2 inwalls, the outer surface of second portion 31 is shape of threads, on the outer surface of second portion 31, be arranged with a nut 6, the internal face of the outer surface of this nut 6 and chuck 2 near but do not contact.The position being positioned in the hypomere of the second through hole of chuck 2 below pressure head 3 is provided with bearing 7, the third through-hole of the bearing hole in bearing 7 and pressure head 3 connects on above-below direction, and the outer surface of bearing 7 is close to the internal face of chuck 2, in chuck 2 of the present invention, also includes and be installed between pressure head 3 first portions 30 and nut 6, be installed on three circlips 5 between nut 6 and bearing 7 and on bearing 7 lower surfaces.Camshaft 1 is "T"-shaped shape, it comprises first paragraph 100 and second segment 101, the first paragraph 100 of camshaft 1 is positioned at outside the upper surface of pressure head 3, second segment 101 is from top to down successively through in the third through-hole of pressure head 3 and the bearing hole of bearing 7, and the lower end of the second segment 101 of camshaft 1 is connected by socket head screw 8 with stepper motor 10 rotating shafts.
Radial direction magnetic bearing frock of the present invention also include the first handle 11 being installed in tapped hole 90 and be installed on the first groove 91 and the second groove 20 in second handle 12.The one end of wherein matching with tapped hole 90 on first handle 11 is shape of threads, and second handle 12 is arranged in successively the first groove 91 and matches and then second handle 12 is threaded mutually with nut 6 with the screw arranging on nut 6 outer walls (not indicating) with the screw thread arranging by its end after the second groove 20.
Please refer to shown in Fig. 1 to Fig. 3, radial direction magnetic bearing 4 includes upper end the first plate body 40, lower end the second plate body 41 and the silicon steel plate 42 between the first plate body 40 and the second plate body 41, wherein radial direction magnetic bearing 4 entirety are hollow shape, and the first plate body 40 is the stepped plate body that the large upper end diameter of lower end diameter is little, the second plate body 41 is that diameter equates with the major diameter of the first plate body 40.Radial direction magnetic bearing 4 is installed on the upper surface of base 9 and the silicon steel plate 42 of this radial direction magnetic bearing is installed on the outside that is positioned at the chuck 2 on base 9 upper surfaces, and silicon steel plate magnetic pole 420 respectively with the corresponding setting of lamellar body 22 on chuck 2.The little part of upper end diameter of the first plate body 40 is just in time sheathed on the outside of the first paragraph 100 of camshaft 1.Initial time, chuck 2 is not softened, and radial direction magnetic bearing 4 can be easy to put the periphery of chuck 2.Second handle 12 successively through the first groove 91 with after the second groove 20, be threaded mutually with the screw (not sign) on the outer wall of nut 6, then pull second handle 12, grasp first handle 11 simultaneously, and then guarantee to guarantee that whole radial direction magnetic bearing frock do not rotate in pulling second handle 12, second handle 12 drives nut 6 to rotate, nut 6 rotarily drives pressure head 3 and down moves, between pressure head 3 and chuck 2 because be cone match, so chuck 2 is strutted by pressure head 3, the lamellar body 22 of chuck 2 is resisted against silicon steel plate magnetic pole 420, and then make chuck 2 to tighten the silicon steel plate of radial direction magnetic bearing 4, radial direction magnetic bearing 4 is accurately located, thereby ensure that location and installation that radial direction magnetic bearing can be firm is above radial direction magnetic bearing frock.While unloading radial direction magnetic bearing 4, need only reverse second handle 12, chuck 2 will dwindle no longer tightens radial direction magnetic bearing 4 silicon steel plates, and radial direction magnetic bearing can be easy to unload.
The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, can also make under the premise without departing from the principles of the invention some improvement, and these improve and also should be considered as protection scope of the present invention.
Claims (6)
1. a radial direction magnetic bearing frock, is characterized in that: comprise
Base (9), in described base (9), be formed with the first through hole that runs through base (9) upper and lower surface, on the left side wall of described base (9), offer the tapped hole (90) that a horizontal direction extends, on the right side wall of described base (9), offer the first groove (91) that a horizontal direction extends and that connect with the first through hole;
Chuck (2), described chuck (2) is installed in the epimere of base (9), and the upper end of described chuck (2) extends beyond outside the upper surface of described base (9), in described chuck (2), be formed with the second through hole that runs through chuck (2) upper and lower surface, on the right side wall of described chuck (2), offer the second groove (20) that a horizontal direction extends and that connect in a lateral direction with the first groove (91), described the second groove (20) connects with the second through hole;
Pressure head (3), described pressure head (3) is installed in the epimere of the second through hole of chuck (2), in described pressure head (3), be formed with the third through-hole that runs through pressure head (3) upper and lower surface, described pressure head (3) comprises first portion (30) and is positioned at the second portion (31) of first portion (30) below, the inwall of the outer wall of described first portion (30) and chuck (2) is cone match, separately, the outer wall of described second portion (31) is shape of threads to the inwall of described second portion (31) and chuck (2);
Nut (6), described nut (6) is arranged in the second through hole of chuck (2) and is installed on the outer wall of second portion (31), and position corresponding with the second groove (20) on the outer wall of described nut (6) is formed with screw;
Bearing (7), described bearing (7) is installed in the second through hole of chuck (2) and is positioned at pressure head (3) below, and the third through-hole of the bearing hole of described bearing (7) and pressure head (3) connects on above-below direction;
Camshaft (1), described camshaft (1) comprises the second segment (101) that is positioned at the first paragraph (100) outside pressure head (3) upper surface and is positioned at first paragraph (100) below, described second segment (101) is installed in the third through-hole of pressure head (3) and the bearing hole of bearing (7), and the lower end of described second segment (101) extends beyond the lower surface of bearing (7);
Stepper motor (10), described stepper motor (10) is installed in the hypomere of the first through hole of base (1), and described stepper motor (10) is connected with camshaft (1) with thinking that camshaft (1) provides power;
First handle (11), described first handle is installed in tapped hole (90);
Second handle (12), described second handle (12) is arranged in after the first groove (91) and the second groove (20) with the screw on the outer wall of nut (6) and is connected, with by pulling second handle (12) and then driving nut (6) to rotate second portion (31) is upper.
2. radial direction magnetic bearing frock as claimed in claim 1, is characterized in that: the end being installed on described first handle (11) in tapped hole (90) is shape of threads.
3. radial direction magnetic bearing frock as claimed in claim 2, is characterized in that: the end being installed on described second handle (12) in the screw on nut (6) is shape of threads.
4. radial direction magnetic bearing frock as claimed in claim 3, it is characterized in that: described radial direction magnetic bearing frock also includes three circlips (5), described three circlips (5) are installed on respectively between pressure head (3) first portion (30) and nut (6), between nut (6) and bearing (7), on bearing (6) lower surface.
5. radial direction magnetic bearing frock as claimed in claim 4, is characterized in that: described radial direction magnetic bearing frock also include be installed on camshaft (1) and be connected to socket head screw (8) in stepper motor (10) rotating shaft and then that camshaft (1) and stepper motor (10) are connected together.
6. the radial direction magnetic bearing frock as described in any one in claim 1-5, is characterized in that: the upper end of described chuck (2) is provided with the breach (21) that some longitudinal directions extend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410235325.8A CN103994104B (en) | 2014-05-29 | 2014-05-29 | A kind of radial direction magnetic bearing frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410235325.8A CN103994104B (en) | 2014-05-29 | 2014-05-29 | A kind of radial direction magnetic bearing frock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103994104A true CN103994104A (en) | 2014-08-20 |
| CN103994104B CN103994104B (en) | 2016-01-06 |
Family
ID=51308384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410235325.8A Active CN103994104B (en) | 2014-05-29 | 2014-05-29 | A kind of radial direction magnetic bearing frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103994104B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327488A (en) * | 2017-08-29 | 2017-11-07 | 南京磁谷科技有限公司 | A kind of mounting seat for being used to tilt magnetic pole in magnetic bearing |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5224835A (en) * | 1992-09-02 | 1993-07-06 | Viking Pump, Inc. | Shaft bearing wear detector |
| JP2004198318A (en) * | 2002-12-19 | 2004-07-15 | Nsk Ltd | Resonance measuring method and instrument for bearing unit |
| CN2876755Y (en) * | 2006-03-10 | 2007-03-07 | 王滢 | Bearing dynamic performance tester |
| CN201716180U (en) * | 2010-07-19 | 2011-01-19 | 唐建一 | Magnetic suspension bearing measuring and control device |
| CN202083407U (en) * | 2011-05-17 | 2011-12-21 | 洛阳润环电机轴承有限公司 | Simple bearing test clamping apparatus |
| JP2013155627A (en) * | 2012-01-27 | 2013-08-15 | Ebara Corp | Wear detection mechanism of bearing, and vertical shaft pump including the same |
| CN203978940U (en) * | 2014-05-29 | 2014-12-03 | 南京磁谷科技有限公司 | A kind of radial direction magnetic bearing frock |
-
2014
- 2014-05-29 CN CN201410235325.8A patent/CN103994104B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5224835A (en) * | 1992-09-02 | 1993-07-06 | Viking Pump, Inc. | Shaft bearing wear detector |
| JP2004198318A (en) * | 2002-12-19 | 2004-07-15 | Nsk Ltd | Resonance measuring method and instrument for bearing unit |
| CN2876755Y (en) * | 2006-03-10 | 2007-03-07 | 王滢 | Bearing dynamic performance tester |
| CN201716180U (en) * | 2010-07-19 | 2011-01-19 | 唐建一 | Magnetic suspension bearing measuring and control device |
| CN202083407U (en) * | 2011-05-17 | 2011-12-21 | 洛阳润环电机轴承有限公司 | Simple bearing test clamping apparatus |
| JP2013155627A (en) * | 2012-01-27 | 2013-08-15 | Ebara Corp | Wear detection mechanism of bearing, and vertical shaft pump including the same |
| CN203978940U (en) * | 2014-05-29 | 2014-12-03 | 南京磁谷科技有限公司 | A kind of radial direction magnetic bearing frock |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327488A (en) * | 2017-08-29 | 2017-11-07 | 南京磁谷科技有限公司 | A kind of mounting seat for being used to tilt magnetic pole in magnetic bearing |
| CN107327488B (en) * | 2017-08-29 | 2023-03-28 | 南京磁谷科技有限公司 | Mounting base for magnetic pole in inclined magnetic bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103994104B (en) | 2016-01-06 |
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Denomination of invention: Radial magnetic bearing tool Effective date of registration: 20160912 Granted publication date: 20160106 Pledgee: Bank of Beijing, Limited by Share Ltd, Nanjing branch Pledgor: Nanjing CIGU Limited Corporation Registration number: 2016320000014 |
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Denomination of invention: Radial magnetic bearing tool Effective date of registration: 20171019 Granted publication date: 20160106 Pledgee: Bank of Beijing, Limited by Share Ltd, Nanjing branch Pledgor: Nanjing CIGU Limited Corporation Registration number: 2017320000042 |
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Denomination of invention: Radial magnetic bearing tool Effective date of registration: 20180322 Granted publication date: 20160106 Pledgee: Bank of Beijing, Limited by Share Ltd, Nanjing branch Pledgor: Nanjing CIGU Limited Corporation Registration number: 2018320000031 |
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Denomination of invention: Radial magnetic bearing tool Effective date of registration: 20190521 Granted publication date: 20160106 Pledgee: Bank of Beijing, Limited by Share Ltd, Nanjing branch Pledgor: Nanjing CIGU Limited Corporation Registration number: 2019320000238 |
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Address after: No. 99, Jinxin Middle Road, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Nanjing Cigu Technology Co., Ltd Address before: Nine No. 211102 Bamboo Road, Jiangning Development Zone, Nanjing, Jiangsu, 100 Patentee before: NANJING CIGU LIMITED Corp. |
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Date of cancellation: 20200615 Granted publication date: 20160106 Pledgee: Bank of Beijing Limited by Share Ltd. Nanjing branch Pledgor: NANJING CIGU Ltd.,Corp. Registration number: 2019320000238 |