CN204061581U - The compressing frock of a kind of radial direction magnetic bearing - Google Patents
The compressing frock of a kind of radial direction magnetic bearing Download PDFInfo
- Publication number
- CN204061581U CN204061581U CN201420288029.XU CN201420288029U CN204061581U CN 204061581 U CN204061581 U CN 204061581U CN 201420288029 U CN201420288029 U CN 201420288029U CN 204061581 U CN204061581 U CN 204061581U
- Authority
- CN
- China
- Prior art keywords
- hole
- magnetic bearing
- radial direction
- direction magnetic
- spline
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The compressing frock of a kind of radial direction magnetic bearing, the pin that radial direction magnetic bearing comprises the first plate body, the second plate body, silicon steel plate and is installed on the first plate body, the second plate body and silicon steel plate, magnetic bearing is hollow shape, compressing frock comprises top board, press table, be arranged at the position limit cycle between top board and press table, screw rod, T-nut, locating stud and spline pin, top board is formed with the first through hole and the first positioning hole, press table is formed with the second through hole and the second positioning hole, locating stud is arranged in the first positioning hole and the second positioning hole and then by top board, position limit cycle and press table are installed on together, press table is provided with spline hole, magnetic bearing is installed in position limit cycle, in magnetic bearing, the space of hollow shape and the first through hole connect in a longitudinal direction, magnetic bearing is provided with bottom outlet, spline pin wears the rotation terminating in and turn in hole and bottom outlet and then stop magnetic bearing, the end of screw rod is tightened in T-nut through after the first through hole and radial direction magnetic bearing.
Description
Technical field:
The utility model relates to the compressing frock of a kind of radial direction magnetic bearing, and it belongs to magnetic suspension centrifugal blower field.
Background technique:
Magnetic suspension centrifugal blower is the one of the turbine plant adopting 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 by high-speed electric expreess locomotive Direct driver, carried out the unit high-speed centrifugal blower of speed governing by frequency variator.
In existing magnetic suspension centrifugal blower, magnetic bearing compressing is that top board, press table and silicon steel plate by using vice clamping magnetic bearing is to given size, then magnetic bearing pin is tightened, a magnetic bearing need clamp four times, because precision hand-manipulated is low, so it is all different to hold size at every turn, and the top board of magnetic bearing is thin, then the planeness of last magnetic bearing is bad, and the power of four clampings is different, the pulling force that pin on magnetic bearing is subject to is also different.
Therefore, necessary the deficiency solving prior art is improved to prior art.
Model utility content:
The utility model provides a kind of radial direction magnetic bearing compressing frock, and it can solve the problems such as low, different due to clamping power and the planeness that is that cause of precision that magnetic bearing occurs in course of working is not carefully and neatly done.
The utility model adopts following technological scheme: the compressing frock of a kind of radial direction magnetic bearing, it comprises top board, press table, be arranged at the position limit cycle between top board and press table, screw rod, T-nut, locating stud and spline pin, described top board is formed be positioned at its central position and through top board upper and lower surface circle first through hole and be positioned at described first through hole bilateral symmetry arrange also through the first positioning hole of top board upper and lower surface, described press table is formed be positioned at its central position and through press table upper and lower surface circle second through hole and be positioned at that described second through hole bilateral symmetry arranges also run through press table upper and lower surface and the second positioning hole longitudinally alignd mutually with described first positioning hole, the center of circle of described first through hole and the second through hole aligns in a longitudinal direction, described locating stud is arranged in described first positioning hole and the second positioning hole and then by top board, position limit cycle and press table location and installation are in together, the positional symmetry described press table being positioned at described second through hole both sides is provided with several spline holes, described spline pin is installed in described spline hole, described screw rod coordinates being arranged at by radial direction magnetic bearing to be arranged in after between described top board and press table to screw mutually in the first through hole and with T-nut.
Further, described press table is step-like Circular plate structure, and it comprises tops bar, middle step and getting out of a predicament or an embarrassing situation, and on described second positioning hole is formed at and tops bar, on described second through hole is formed at and gets out of a predicament or an embarrassing situation, described spline hole is formed on middle step.
Further, described spline hole comprise a pair first spline holes being symmetricly set in the second through hole both sides and be symmetricly set in the second through hole both sides and the second spline hole that be separated with a segment distance alternate with the first spline hole respectively.
Further, the distance between described first spline hole and the second through hole is less than the distance between the second spline hole and the second through hole.
Further, the diameter in described first spline hole is less than the diameter in the second spline hole.
Further, described screw rod comprises screw head and is positioned at the screw shank below screw head, is separated with a segment distance between described screw head and the upper surface of top board.
Further, the compressing frock of described radial direction magnetic bearing also includes the bearing be installed on below described screw head, and the lower surface of screw head is close in the upper-end surface of described bearing, and the lower end surface of described bearing is embedded in the upper surface of described top board.
Further, the compressing frock of described radial direction magnetic bearing also include be arranged in described first through hole and the nut be sheathed in described screw shank.
The utility model has following beneficial effect:
(1). the utility model is by clamped one time radial direction magnetic bearing and then complete the compressing of magnetic bearing, easy and simple to handle, improves the manufacturing efficiency of magnetic bearing;
(2). the utility model when clamping radial direction magnetic bearing, the upper and lower surface uniform force of radial direction magnetic bearing, the planeness of radial direction magnetic bearing is good;
(3). the compressing tool structure of the utility model radial direction magnetic bearing is simple, when compressing different radial direction magnetic bearing, only need change different position limit cycles and spline pin, improve the portability of production.
Accompanying drawing illustrates:
Fig. 1 is the sectional structure chart of the compressing frock of the utility model first embodiment radial direction magnetic bearing.
Fig. 2 is for the compressing frock of radial direction magnetic bearing shown in Fig. 1 being installed the sectional structure chart of magnetic bearing.
Fig. 3 is for the compressing frock of radial direction magnetic bearing shown in Fig. 2 being installed the overall structure figure of magnetic bearing.
Fig. 4 is the structural drawing of press table in the compressing frock of radial direction magnetic bearing shown in Fig. 1.
Fig. 5 is the sectional structure chart of the compressing frock of the utility model second embodiment radial direction magnetic bearing.
Fig. 6 is for the compressing frock of radial direction magnetic bearing shown in Fig. 5 being installed the sectional structure chart of magnetic bearing.
Fig. 7 is for the compressing frock of radial direction magnetic bearing shown in Fig. 6 being installed the overall structure figure of magnetic bearing.
Fig. 8 is the structural drawing of the press table in the compressing frock of radial direction magnetic bearing described in Fig. 5.
Wherein:
1-top board; 2-press table; 3-position limit cycle; 4-screw rod; 5-T type nut; 6-locating stud; 7-bearing; 8-nut; 9-spline pin; 10-first through hole; 11-slotted eye; 12-first positioning hole; 13-pin; 14-radial direction magnetic bearing; 15-first plate body; 16-second plate body; 17-silicon steel plate; 20-second through hole; 21-second positioning hole; 22-spline hole; 220-first spline hole; 221-second spline hole; 40-screw head; 41-screw shank.
Embodiment:
In the compressing frock of the utility model radial direction magnetic bearing, the pin 13 that radial direction magnetic bearing 14 comprises the first plate body 15 of upper end, the second plate body 16 of lower end, the silicon steel plate 17 between the first plate body 15 and the second plate body 16 and is installed on the first plate body 15, second plate body 16 and silicon steel plate 17, wherein radial direction magnetic bearing 14 entirety is in hollow shape.
Compressing frock comprises top board 1, press table 2, is arranged at the position limit cycle 3 between top board 1 and press table 2, screw rod 4, T-nut 5, locating stud 6 and spline pin 9.The rounded plate body shape of top board 1, its home position is formed with circle first through hole 10 always putting on pressing plate 1 upper and lower surface, the position uniform intervals that top board 1 is positioned at the first through hole 10 surrounding is formed with four to the slotted eye 11 running through top board 1 upper and lower surface, top board 1 is also formed a pair symmetrically arranged and run through the first positioning hole 12 of top board 2 upper and lower surface with the center of circle of the upper surface of top board 1 simultaneously, wherein slotted eye 11 is between the first through hole 10 and the first positioning hole 12.
Press table 2 is step-like circular plate body, the outer peripheral diameter of press table 2 is identical with the outer peripheral diameter of top board 1, and press table 2 include three steps altogether, be respectively get out of a predicament or an embarrassing situation, middle step and topping bar, and the step radian of these three steps becomes large from bottom to top gradually.The central position of press table 2 is formed with circle second through hole 20 always wearing pressing plate 2 upper and lower surface, and wherein the center of circle of the second through hole 20 and the center of circle of the first through hole 10 align in a longitudinal direction.On press table 2 except the getting out of a predicament or an embarrassing situation of the second through hole 20 place, on topping bar, be provided with so that the center of circle of the second through hole 20 is symmetrical the second positioning hole 21 alignd respectively in a longitudinal direction with the first positioning hole 12 for a pair.The positional symmetry middle step being positioned at the second through hole 20 both sides is provided with several spline holes 22, that spline hole 22 comprises a pair first spline holes 220 being symmetricly set in the second through hole 20 both sides and is symmetricly set in the second through hole 20 both sides and the second spline hole 221 that be separated with a segment distance alternate with the first spline hole 220 respectively, the distance wherein between the first spline hole 220 and the second through hole 20 is less than the distance between the second spline hole 221 and the second through hole 20.Wherein the diameter in the first spline hole 220 is less than the diameter in the second spline hole 221.
Position limit cycle 3 is installed between top board 1 and press table 2, and position limit cycle 3 is circular.Locating stud 6 is arranged in the first positioning hole 12 and the second positioning hole 21 and then by top board 1, and position limit cycle 3 and press table 2 location and installation are in together.Second plate body 16 of radial direction magnetic bearing 14 is formed with the bottom outlet aligned with spline hole 22, and spline pin 9 is arranged in spline hole 22 and bottom outlet and then stops the rotation of radial direction magnetic bearing 14.
Radial direction magnetic bearing 14 is installed in the region that position limit cycle 3 surrounds, and in radial direction magnetic bearing 14, the space of hollow shape and the first through hole 10 connect in a longitudinal direction.Screw rod 4 comprises screw head 40 and is positioned at the screw shank 41 below screw head 40, wherein alternately between the lower surface of screw head 40 and the upper surface of top board 1 be separated with a segment distance, screw shank 41 between the lower surface and the upper surface of top board 1 of screw head 40 is arranged with a bearing 7, and the lower end surface of this bearing 7 is embedded in the upper surface of top board.The compressing frock of the utility model radial direction magnetic bearing also includes the nut 8 for bearing 7 being fixed on screw head 40 lower surface of screw shank 41 periphery be sheathed in the first through hole 10.T-nut 5 comprises and being made up of the less first portion of diameter and the larger second portion of diameter, the first portion that wherein diameter is less is installed in the second through hole 20, screws and be installed in T-nut 5 behind the screw shank 41 of screw rod 4 space successively through hollow shape in the first through hole 10 and radial direction magnetic bearing 14.
Please refer to shown in Fig. 1 to Fig. 4, it is the compressing frock of the utility model first embodiment radial direction magnetic bearing, it is applicable to the compressing of radial direction magnetic bearing in 75KW magnetic suspension centrifugal blower, position limit cycle 3 to be installed in top board 1 and press table in the middle of step in this first embodiment, and the cylindrical of position limit cycle 3 is close to the external arc of middle step, radial direction magnetic bearing 14 is installed in this compressing frock, this radial direction magnetic bearing 14 is arranged in the region that position limit cycle 3 surrounds, and by installing spline pin 9 in a pair symmetrically arranged first spline hole 220 on middle step, this spline pin 9 is arranged in the bottom outlet (sign) on the second plate body 16 of radial direction magnetic bearing 14 simultaneously and then limits the rotation of radial direction magnetic bearing 14.
Please refer to shown in Fig. 5 to Fig. 8, it is applicable to the compressing of radial direction magnetic bearing in 140KW magnetic suspension centrifugal blower for the compressing frock of the utility model second embodiment radial direction magnetic bearing, because in this second embodiment, the diameter of radial direction magnetic bearing is greater than the diameter of radial direction magnetic bearing in the first embodiment, therefore the position limit cycle 3 selecting diameter larger is needed, in this second embodiment, position limit cycle 3 is installed between topping bar of upper holder block 1 and lower lock block 2, need to wear locating stud 6 due between the topping bar of upper holder block 1 and lower lock block 2, position corresponding with the first positioning hole 12 and the second positioning hole 21 on position limit cycle 3 is then needed to offer the 3rd positioning hole (sign) passed for locating stud 6.Second embodiment's radial direction magnetic bearing 14 is being installed in compressing frock, this radial direction magnetic bearing 14 is arranged in the region that position limit cycle 3 surrounds, because the bottom diameter on the second plate body 16 of radial direction magnetic bearing 14 in the second embodiment is larger, therefore need to install spline pin 9 by another on middle step in symmetrically arranged second spline hole 221, this spline pin 9 is arranged in bottom outlet (sign) simultaneously and then limits the rotation of radial direction magnetic bearing.
By contrasting the compressing frock of first embodiment's radial direction magnetic bearing and the compressing frock of second embodiment's radial direction magnetic bearing, can find, when compressing different radial direction magnetic bearing, according to the size of different radial direction magnetic bearing, select the position limit cycle 3 of different size and this position limit cycle 3 is installed on position suitable on press table 2, then radial direction magnetic bearing is installed in the region that position limit cycle 3 surrounds, by installing spline pin 9 in the spline hole 22 of the bottom outlet on the second plate body 16 of radial direction magnetic bearing 14 and press table 2, and then the rotation (selecting different spline holes 22 according to the size of different radial direction magnetic bearing bottom diameter here) of restriction radial direction magnetic bearing, cover top board 1, screw in T-nut 5 after the screw shank 41 of screw rod 4 is passed the space of hollow shape in the first through hole 10 and radial direction magnetic bearing 14, screw rod 4 drives top board downward, radial direction magnetic bearing is compacted to the height of position limit cycle 3, height dimension due to position limit cycle 3 is predetermined, contact with position limit cycle 3 as long as therefore top board 1 is depressed into, then radial direction magnetic bearing can reach the size wanted, be pressed onto position afterwards by tightening the pin 13 of radial direction magnetic bearing, then the height dimension of radial direction magnetic bearing can not change, reverse turn screw rod 4, screw rod 4 is screwed out, take off top board 1, radial direction magnetic bearing can be removed, radial direction magnetic bearing has been suppressed, if press different radial direction magnetic bearings, only different position limit cycles 3 and spline pin 9 (because the bottom outlet bottom different radial direction magnetic bearing varies in size, therefore spline pin need be changed) need be changed.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art, can also make some improvement under the prerequisite not departing from the utility model principle, these improvement also should be considered as protection domain of the present utility model.
Claims (8)
1. the compressing frock of radial direction magnetic bearing, it is characterized in that: comprise top board (1), press table (2), be arranged at the position limit cycle (3) between top board (1) and press table (2), screw rod (4), T-nut (5), locating stud (6) and spline pin (9), described top board (1) is formed be positioned at its central position and through top board (1) upper and lower surface circle first through hole (10) and be positioned at described first through hole (10) bilateral symmetry arrange also through first positioning hole (12) of top board (1) upper and lower surface, described press table (2) is formed be positioned at its central position and through press table (2) upper and lower surface circle second through hole (20) and be positioned at that described second through hole (20) bilateral symmetry arranges also run through press table (2) upper and lower surface and the second positioning hole (21) longitudinally alignd mutually with described first positioning hole (12), the center of circle of described first through hole (10) and the second through hole (20) aligns in a longitudinal direction, described locating stud (6) is arranged in described first positioning hole (12) and the second positioning hole (21) and then by top board (1), position limit cycle (3) and press table (2) location and installation are in together, the positional symmetry described press table (2) being positioned at described second through hole (20) both sides is provided with several spline holes (22), described spline pin (9) is installed in described spline hole (22), described screw rod (4) coordinates being arranged at by radial direction magnetic bearing to be arranged in after between described top board (1) and press table (2) to screw mutually in the first through hole and with T-nut (5).
2. the compressing frock of radial direction magnetic bearing as claimed in claim 1, it is characterized in that: described press table (2) is step-like Circular plate structure, it comprises tops bar, middle step and getting out of a predicament or an embarrassing situation, on described second positioning hole (21) is formed at and tops bar, on described second through hole (20) is formed at and gets out of a predicament or an embarrassing situation, described spline hole (22) is formed on middle step.
3. the compressing frock of radial direction magnetic bearing as claimed in claim 2, is characterized in that: that described spline hole (22) comprises a pair first spline holes (220) being symmetricly set in the second through hole (20) both sides and is symmetricly set in the second through hole (20) both sides and the second spline hole (221) that be separated with a segment distance alternate with the first spline hole (220) respectively.
4. the compressing frock of radial direction magnetic bearing as claimed in claim 3, is characterized in that: the distance between described first spline hole (220) and the second through hole (20) is less than the distance between the second spline hole (221) and the second through hole (20).
5. the compressing frock of radial direction magnetic bearing as claimed in claim 4, is characterized in that: the diameter in described first spline hole (220) is less than the diameter in the second spline hole (221).
6. the compressing frock of radial direction magnetic bearing as claimed in claim 5, it is characterized in that: described screw rod (4) comprises screw head (40) and is positioned at the screw shank (41) of screw head (40) below, is separated with a segment distance between the upper surface of described screw head (40) and top board (1).
7. the compressing frock of radial direction magnetic bearing as claimed in claim 6, it is characterized in that: the compressing frock of described radial direction magnetic bearing also includes the bearing (7) being installed on described screw head (40) below, the lower surface of screw head (40) is close in the upper-end surface of described bearing (7), and the lower end surface of described bearing (7) is embedded in the upper surface of described top board (1).
8. the compressing frock of radial direction magnetic bearing as claimed in claim 7, is characterized in that: the compressing frock of described radial direction magnetic bearing also include be arranged in described first through hole (20) and the nut (8) be sheathed in described screw shank (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420288029.XU CN204061581U (en) | 2014-05-30 | 2014-05-30 | The compressing frock of a kind of radial direction magnetic bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420288029.XU CN204061581U (en) | 2014-05-30 | 2014-05-30 | The compressing frock of a kind of radial direction magnetic bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204061581U true CN204061581U (en) | 2014-12-31 |
Family
ID=52203103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420288029.XU Withdrawn - After Issue CN204061581U (en) | 2014-05-30 | 2014-05-30 | The compressing frock of a kind of radial direction magnetic bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204061581U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179809A (en) * | 2014-05-30 | 2014-12-03 | 南京磁谷科技有限公司 | Radial magnetic bearing compression molding tool |
-
2014
- 2014-05-30 CN CN201420288029.XU patent/CN204061581U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179809A (en) * | 2014-05-30 | 2014-12-03 | 南京磁谷科技有限公司 | Radial magnetic bearing compression molding tool |
| CN104179809B (en) * | 2014-05-30 | 2016-06-22 | 南京磁谷科技有限公司 | A kind of compressing frock of radial direction magnetic bearing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204912813U (en) | But tool bit height infinitely variable control's lathe tool anchor clamps | |
| CN204321682U (en) | The two-sided tapping fixture of Multiaxial tapping machine | |
| CN202571938U (en) | Miller processing clamp base | |
| CN204061581U (en) | The compressing frock of a kind of radial direction magnetic bearing | |
| CN104179809B (en) | A kind of compressing frock of radial direction magnetic bearing | |
| CN205074828U (en) | Outer circular slot of annular work piece mills uses frock | |
| CN202861846U (en) | Drilling device | |
| CN202824226U (en) | Speed-adjustable coil cradle | |
| CN205465292U (en) | Automobile power generation machine rotor shaft milling flutes processing fixing device | |
| CN204868120U (en) | High -accuracy mechanical fixture rotary machine | |
| CN202377626U (en) | Wire cutting machine tool and coil holder head of same | |
| CN203031066U (en) | Three-way pipe tapping tool | |
| CN206780096U (en) | A kind of angle adjustable glass edge-grinding machine | |
| CN202707555U (en) | Firmly fixed fan | |
| CN204450142U (en) | A kind of border seal type magnetic ferrite magnetic core large center pillar mill processing unit (plant) | |
| CN203696154U (en) | Clamp for worm tooth-grinding machine to shape toothed shaft | |
| CN205270933U (en) | Processing equipment of motorcycle steel wire hub | |
| CN205415135U (en) | Synchronous indexing means is used to lathe | |
| CN202543602U (en) | Connecting structure for connecting upper and lower shafts of embroidering machine | |
| CN206241784U (en) | A kind of cylindricalo grinding automation equipment | |
| CN204321211U (en) | A kind of four axle tailstocks | |
| CN204430478U (en) | A kind of rotation positioning device automatically | |
| CN203727076U (en) | Marking machine | |
| CN202964062U (en) | Finish-turning counterbore positioning tool | |
| CN109129090A (en) | A kind of angle adjustable glass edge-grinding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141231 Effective date of abandoning: 20160622 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |