CN104343820A - Installation structure and installation method of radial magnetic bearing and radial sensor - Google Patents
Installation structure and installation method of radial magnetic bearing and radial sensor Download PDFInfo
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- CN104343820A CN104343820A CN201410655289.0A CN201410655289A CN104343820A CN 104343820 A CN104343820 A CN 104343820A CN 201410655289 A CN201410655289 A CN 201410655289A CN 104343820 A CN104343820 A CN 104343820A
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- magnetic bearing
- top board
- hole
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- radial direction
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Abstract
The invention discloses an installation structure of a radial magnetic bearing and a radial sensor and an installation method of the installation structure of the radial magnetic bearing and the radial sensor. The installation structure is characterized in that the radial magnetic bearing comprises an upper pressing plate, a lower pressing plate and silicon steel sheets, wherein coil frameworks are respectively installed on the inner side surfaces of the silicon steel sheets; coils are respectively intertwined on the coil frameworks; after the external circular arc surfaces of the silicon steel sheets are surrounded, the external cylindrical surface of the radial magnetic bearing is formed; after the inner side tail ends of the coil frameworks are surrounded, the internal cylindrical surface of the radial magnetic bearing is formed; the upper pressing plate comprises an upper step, a middle step and a lower step; a circular hole is formed in the middle of the upper pressing plate; a plurality of through holes are uniformly formed at intervals in the periphery of the round hole in the upper step; a plurality of groups of penetration holes are formed in the lower step; two outmost holes among the penetration holes are pin holes; the pin holes are also formed in the places, corresponding to the pin holes in the upper pressing plate, of the lower pressing plate; cylindrical pins are arranged in the pin holes in the lower pressing plate and the pin holes in the upper pressing plate in a penetrating mode; a magnetic bearing circuit board is arranged on the middle step; after the radial sensor is placed in the through holes, the tail end thereof is electrically connected onto the magnetic bearing circuit board.
Description
Technical field:
The present invention relates to mounting structure and the installation method of a kind of radial direction magnetic bearing and radial transducer, it belongs to field of mechanical technique.
Background technique:
In existing structure, radial direction magnetic bearing and radial transducer are divided into two component processing, then be fit into respectively in motor casing, wherein between the external cylindrical surface of radial direction magnetic bearing and the inner cylindrical surface of motor casing, Spielpassung is located, the axis of radial direction magnetic bearing inner cylindrical surface and the axis of radial direction magnetic bearing external cylindrical surface produce coaxality machining error X1 due to machining error, after radial direction magnetic bearing is loaded motor casing, the axis of radial direction magnetic bearing external cylindrical surface and the axis of motor casing inner cylindrical surface can produce coaxality assembly error X2, then the axis of radial direction magnetic bearing inner cylindrical surface and the axis of motor casing inner cylindrical surface just create coaxality assembly error X1+X2.
Radial transducer loads motor casing by being installed on after in radial transducer support, because between the external cylindrical surface of radial transducer support and the inner cylindrical surface of motor casing, Spielpassung is located, the axis of radial transducer support inner cylindrical surface and the axis of radial transducer support external cylindrical surface produce coaxality machining error X3 due to machining error, radial transducer support is being encased in after in motor casing, coaxality assembly error X4 can be produced between the axis of radial transducer external cylindrical surface and the axis of motor casing inner cylindrical surface, coaxality assembly error X3+X4 can be produced between the axis of radial transducer inner cylindrical surface and the axis of motor casing inner cylindrical surface.Therefore the coaxiality error between the inner cylindrical surface of radial direction magnetic bearing and the inner cylindrical surface of radial transducer support is X1+X2+X3+X4, and error is comparatively large, is difficult to meet design requirement.
Therefore, necessary the deficiency solving prior art is improved to prior art.
Summary of the invention:
In order to solve the deficiency of existence of the prior art, the invention provides and a kind ofly can reduce the radial direction magnetic bearing of radial direction magnetic bearing and radial transducer coaxiality error and the mounting structure of radial transducer and installation method.
The present invention adopts following technological scheme: the mounting structure of a kind of radial direction magnetic bearing and radial transducer, described radial direction magnetic bearing comprises top board, press table and between top board and press table and the alternate silicon steel plate separated, the inner surface of described silicon steel plate is provided with coil rack, coil rack twines and is provided with coil, the exterior arc surface of described silicon steel plate around after define the external cylindrical surface of radial direction magnetic bearing, the inside end of coil rack is around the inner cylindrical surface of rear formation radial direction magnetic bearing, described top board comprises tops bar, middle step and getting out of a predicament or an embarrassing situation, the circular hole through top board upper and lower surface is provided with in the neutral position of described top board, described top bar on be positioned at circular hole surrounding position uniform intervals be provided with several through holes running through sidewall of topping bar, described get out of a predicament or an embarrassing situation on be formed with the some groups of alternate perforation separated, outermost two in the perforation of described often group is pin-and-hole, position relative with the pin-and-hole on top board on described press table is also formed with pin-and-hole, the straight pin together with being installed on press table by top board is equipped with in the pin-and-hole of press table and the pin-and-hole of top board, described middle step is provided with the magnetic bearing circuit board that is close to circumference of topping bar, described radial transducer is arranged at its end after in through hole and is electrically connected on described magnetic bearing circuit board.
Further, described middle step is circumferentially arranged at intervals with several ellipse shape holes along same.
Further, three that along the circumferential direction arrange are included altogether in the perforation of described often group.
Further, described magnetic bearing circuit board is provided with several the first tapped holes, described middle step is formed with the second tapped hole with the position of the first tapped hole phase consistency from top to bottom on magnetic bearing circuit board, the screw be mounted on by magnetic bearing circuit on top board is installed in described first tapped hole and the second tapped hole.
The present invention also adopts following technological scheme: in the installation method of the mounting structure of a kind of radial direction magnetic bearing and radial transducer, it includes following steps:
(1). top board is positioned over the top of press table, by the pin-and-hole of press table and the pin-and-hole of top board, wear straight pin so that have top board is installed on press table together with to be assembled into parts;
(2). in clamped one time, finish turning processes the inner cylindrical surface of radial direction magnetic bearing and the inner cylindrical surface of top board simultaneously.
The present invention has following beneficial effect: in the mounting structure of radial direction magnetic bearing of the present invention and radial transducer, first by straight pin connect radial transducer support is assemblied in radial direction magnetic bearing together with form parts, then clamped one time is passed through, process the inner cylindrical surface of radial direction magnetic bearing and the inner cylindrical surface of radial transducer support simultaneously, effectively can control the coaxality of the inner cylindrical surface of radial direction magnetic bearing and the inner cylindrical surface of radial transducer support, reduce radial direction magnetic bearing and radial transducer coaxiality error.
Accompanying drawing illustrates:
Fig. 1 is the stereogram of the mounting structure of radial direction magnetic bearing of the present invention and radial transducer.
Fig. 2 be Fig. 1 A-A along the line to sectional view.
Wherein:
1-radial direction magnetic bearing; 2-radial transducer; 10-top board; 11-press table; 12-silicon steel plate; 13-coil rack; 14-coil; 30-circular hole; 31-tops bar; Step in 32-; 33-gets out of a predicament or an embarrassing situation; 34-through hole; The ellipse shape hole of 35-; 36-bores a hole; 37-straight pin; 38-magnetic bearing circuit board; 39-screw.
Embodiment:
Please refer to shown in Fig. 1 and Fig. 2, in the mounting structure of radial direction magnetic bearing of the present invention and radial transducer, the hollow shape structure that radial direction magnetic bearing 1 entirety is through in upper and lower surface, it comprises top board 10, press table 11 and between top board 10 and press table 11 and the alternate silicon steel plate 12 separated, the inner surface of silicon steel plate 12 is provided with coil rack 13, coil rack 13 twines and is provided with coil 14, wherein silicon steel plate 12 exterior arc surface around after define the external cylindrical surface of radial direction magnetic bearing 1, the inside end of coil rack 13 is around the inner cylindrical surface of rear formation radial direction magnetic bearing 1.Top board 10 is step-like circular pressing plate, is provided with the circular hole 30 through top board 10 upper and lower surface in the neutral position of top board 10.Top board 10 comprises that circle tops bar 31, step 32 and circle get out of a predicament or an embarrassing situation 33 in circle, topping bar, the position uniform intervals being positioned at circular hole 30 surrounding on 31 is provided with several through holes 34 running through 31 sidewalls of topping bar, and wherein radial transducer 2 is arranged in through hole 34.Middle step 32 is circumferentially arranged at intervals with several ellipse shape holes 35 for cooling channel along same.Be formed with the some groups of alternate perforation 36 separated getting out of a predicament or an embarrassing situation on 33, wherein often organize in perforation 36 and include three that circumferentially arrange altogether, outermost two perforation wherein often organized in perforation 36 are pin-and-hole.Same, position relative with the pin-and-hole on top board 10 on press table 11 is also formed with pin-and-hole, is equipped with the straight pin 37 together with being installed on press table 11 by top board 10 at the pin-and-hole of press table 11 in the pin-and-hole of top board 10.
In the mounting structure of radial direction magnetic bearing of the present invention and radial transducer, top board 10 can simultaneously as radial transducer support, and now, the inner surface of circular hole 30 constitutes the inner cylindrical surface of radial transducer support.Radial transducer 2 is installed in the through hole 34 of top board 10.Middle step 32 is also provided with the magnetic bearing circuit board 38 that is close to 31 circumference of topping bar, and wherein radial transducer 2 its end after being installed on the through hole 34 of top board 10 is electrically connected on magnetic bearing circuit board 38.Magnetic bearing circuit board 38 is provided with several the first tapped holes (sign), wherein on middle step 32, be formed with the second tapped hole (sign) with the position of the first tapped hole phase consistency from top to bottom on magnetic bearing circuit board 38, by being provided with screw 39 and then being mounted on top board 10 by magnetic bearing circuit board 38 in the first tapped hole and the second tapped hole.
In the installation method of radial direction magnetic bearing of the present invention and radial transducer, it includes following steps:
(1). top board 10 is positioned over the top of press table 11, wear straight pin 37 by the pin-and-hole at press table 11 in the pin-and-hole of top board 10 so have top board 10 is installed on press table 11 together with to be assembled into parts;
(2). in clamped one time, finish turning processes the inner cylindrical surface of radial direction magnetic bearing 1 and the inner cylindrical surface of radial transducer support (i.e. top board) simultaneously.
In the mounting structure of radial direction magnetic bearing of the present invention and radial transducer, first together with connecting by straight pin top board be installed on press table, then clamped one time is passed through, process the inner cylindrical surface of radial direction magnetic bearing and the inner cylindrical surface of radial transducer support (i.e. top board) simultaneously, effectively can control the coaxality of the inner cylindrical surface of radial direction magnetic bearing and the inner cylindrical surface of radial transducer support (i.e. top board), reduce radial direction magnetic bearing and radial transducer coaxiality error.
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 some improvement under the premise without departing from the principles of the invention, and these improvement also should be considered as protection scope of the present invention.
Claims (5)
1. the mounting structure of a radial direction magnetic bearing and radial transducer, it is characterized in that: described radial direction magnetic bearing (1) comprises top board (10), press table (11) and be positioned between top board (10) and press table (11) and the alternate silicon steel plate (12) separated, the inner surface of described silicon steel plate (12) is provided with coil rack (13), coil rack (13) twines and is provided with coil (14), the exterior arc surface of described silicon steel plate (12) around after define the external cylindrical surface of radial direction magnetic bearing (1), the inside end of coil rack (13) is around the inner cylindrical surface of rear formation radial direction magnetic bearing (1), described top board (10) comprises top bar (31), middle step (32) and get out of a predicament or an embarrassing situation (33), the circular hole (30) through top board (10) upper and lower surface is provided with in the neutral position of described top board (10), the position uniform intervals described top bar (31) being positioned at circular hole (30) surrounding is provided with several through holes (34) running through (31) sidewall of topping bar, described get out of a predicament or an embarrassing situation (33) are formed with the some groups of alternate perforation (36) separated, described outermost two of often organizing in perforation (36) are pin-and-hole, also pin-and-hole is formed with in the upper position relative with the pin-and-hole on top board (10) of described press table (11), the straight pin (37) together with top board (10) and press table (11) being installed on is equipped with in the pin-and-hole of top board (10) at the pin-and-hole of press table (11), described middle step (32) is provided with the magnetic bearing circuit board (38) that is close to (31) circumference of topping bar, described radial transducer (2) is arranged at its end after in through hole (34) and is electrically connected on described magnetic bearing circuit board (38).
2. the mounting structure of radial direction magnetic bearing as claimed in claim 1 and radial transducer, is characterized in that: described middle step (32) is circumferentially arranged at intervals with several ellipse shape holes (35) along same.
3. the mounting structure of radial direction magnetic bearing as claimed in claim 1 and radial transducer, is characterized in that: describedly often organize three that include altogether in perforation (36) and along the circumferential direction arrange.
4. the mounting structure of radial direction magnetic bearing as claimed in claim 1 and radial transducer, it is characterized in that: described magnetic bearing circuit board (38) is provided with several the first tapped holes, described middle step (32) is upper is formed with the second tapped hole with the position of the first tapped hole phase consistency from top to bottom on magnetic bearing circuit board (38), is provided with the screw (39) be mounted on by magnetic bearing circuit board (38) on top board (10) in described first tapped hole and the second tapped hole.
5., in the installation method of the mounting structure of a radial direction magnetic bearing as claimed in claim 1 and radial transducer, it is characterized in that: include following steps
(1). top board (10) is positioned over the top of press table (11), wear straight pin (37) by the pin-and-hole at press table (11) in the pin-and-hole of top board (10) so have top board (10) and press table (11) be installed on together with to be assembled into parts;
(2). in clamped one time, finish turning processes the inner cylindrical surface of radial direction magnetic bearing (1) and the inner cylindrical surface of top board (10) simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410655289.0A CN104343820B (en) | 2014-11-17 | 2014-11-17 | Installation structure and installation method of radial magnetic bearing and radial sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410655289.0A CN104343820B (en) | 2014-11-17 | 2014-11-17 | Installation structure and installation method of radial magnetic bearing and radial sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104343820A true CN104343820A (en) | 2015-02-11 |
| CN104343820B CN104343820B (en) | 2017-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410655289.0A Withdrawn - After Issue CN104343820B (en) | 2014-11-17 | 2014-11-17 | Installation structure and installation method of radial magnetic bearing and radial sensor |
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| Country | Link |
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| CN (1) | CN104343820B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286591A (en) * | 2016-08-03 | 2017-01-04 | 清华大学 | The installation tool of the outer magnetic ring of outer magnetic ring formula Permanent-magnet bearing and installation method |
| CN110145544A (en) * | 2019-06-04 | 2019-08-20 | 中电建路桥集团有限公司 | A kind of split type cyclic annular radial direction magnetic bearing |
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| CN1713490A (en) * | 2005-05-18 | 2005-12-28 | 江苏大学 | Digital-control servo system and its control for permanent magnet synchronous motor without bearing |
| JP2006046600A (en) * | 2004-08-06 | 2006-02-16 | Koyo Seiko Co Ltd | Magnetic bearing unit and flywheel energy storage device provided with it |
| CN101465576A (en) * | 2008-11-28 | 2009-06-24 | 江苏大学 | High speed electric principal shaft supported by AC mixing magnetic bearing |
| CN201420807Y (en) * | 2009-03-17 | 2010-03-10 | 中国船舶重工集团公司第七一〇研究所 | Magnetic suspension bearing device for mixed magnetic circuit |
| CN102035293A (en) * | 2011-01-28 | 2011-04-27 | 浙江工业大学 | Separate magnetic rotor-bearing system of vertical flywheel battery |
| CN204284205U (en) * | 2014-11-17 | 2015-04-22 | 南京磁谷科技有限公司 | The mounting structure of a kind of radial direction magnetic bearing and radial transducer |
-
2014
- 2014-11-17 CN CN201410655289.0A patent/CN104343820B/en not_active Withdrawn - After Issue
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006046600A (en) * | 2004-08-06 | 2006-02-16 | Koyo Seiko Co Ltd | Magnetic bearing unit and flywheel energy storage device provided with it |
| CN1713490A (en) * | 2005-05-18 | 2005-12-28 | 江苏大学 | Digital-control servo system and its control for permanent magnet synchronous motor without bearing |
| CN101465576A (en) * | 2008-11-28 | 2009-06-24 | 江苏大学 | High speed electric principal shaft supported by AC mixing magnetic bearing |
| CN201420807Y (en) * | 2009-03-17 | 2010-03-10 | 中国船舶重工集团公司第七一〇研究所 | Magnetic suspension bearing device for mixed magnetic circuit |
| CN102035293A (en) * | 2011-01-28 | 2011-04-27 | 浙江工业大学 | Separate magnetic rotor-bearing system of vertical flywheel battery |
| CN204284205U (en) * | 2014-11-17 | 2015-04-22 | 南京磁谷科技有限公司 | The mounting structure of a kind of radial direction magnetic bearing and radial transducer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286591A (en) * | 2016-08-03 | 2017-01-04 | 清华大学 | The installation tool of the outer magnetic ring of outer magnetic ring formula Permanent-magnet bearing and installation method |
| CN106286591B (en) * | 2016-08-03 | 2018-08-03 | 清华大学 | The installation tool and installation method of the outer magnetic ring of outer magnetic ring formula Permanent-magnet bearing |
| CN110145544A (en) * | 2019-06-04 | 2019-08-20 | 中电建路桥集团有限公司 | A kind of split type cyclic annular radial direction magnetic bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104343820B (en) | 2017-02-22 |
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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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Granted publication date: 20170222 Effective date of abandoning: 20210317 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170222 Effective date of abandoning: 20210317 |