CN202579653U - Magnetic suspension bearing stator, magnetic suspension bearing and stator core manufacturing tool - Google Patents

Magnetic suspension bearing stator, magnetic suspension bearing and stator core manufacturing tool Download PDF

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Publication number
CN202579653U
CN202579653U CN2012200028179U CN201220002817U CN202579653U CN 202579653 U CN202579653 U CN 202579653U CN 2012200028179 U CN2012200028179 U CN 2012200028179U CN 201220002817 U CN201220002817 U CN 201220002817U CN 202579653 U CN202579653 U CN 202579653U
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CN
China
Prior art keywords
stator
magnetic suspension
suspension bearing
stem
iron core
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Withdrawn - After Issue
Application number
CN2012200028179U
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Chinese (zh)
Inventor
张小波
张芳
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Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
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Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
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Priority to CN2012200028179U priority Critical patent/CN202579653U/en
Application granted granted Critical
Publication of CN202579653U publication Critical patent/CN202579653U/en
Anticipated expiration legal-status Critical
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00Bearings not otherwise provided for
    • F16C32/04Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406Magnetic bearings
    • F16C32/044Active magnetic bearings
    • F16C32/0459Details of the magnetic circuit
    • F16C32/0461Details of the magnetic circuit of stationary parts of the magnetic circuit
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C43/00Assembling bearings

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  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

The utility model provides a magnetic suspension bearing stator, a magnetic suspension bearing and a stator core manufacturing tool. The magnetic suspension bearing stator comprises a plurality of stator cores and a stator outer ring, wherein the stator cores are uniformly distributed on a circumference which takes the center of the stator outer ring as the circle center at certain intervals, and are detachably connected with the stator outer ring. The magnetic suspension bearing comprises a magnetic suspension bearing stator, wherein the magnetic suspension bearing stator is the magnetic suspension bearing stator. The stator core manufacturing tool comprises a supporting plate, an upper pressure plate and a core column, wherein a stator core is the stator core of the magnetic suspension bearing stator; the core column is provided with a vertical slot; and a silicon-steel sheet constructing the stator core is arranged between the supporting plate and the upper pressure plate, and can move along the vertical slot. A plurality of stator magnetic poles are spliced, each stator core is not connected with other stator cores, magnetic field distribution is uniform, magnetic leakage is eliminated, the phenomenon of magnetic field coupling does not exist, electric energy loss is reduced, and the magnetic suspension bearing is easier to control.

Description

Magnetic suspension bearing stator, magnetic suspension bearing, stator iron core are made frock
Technical field
The utility model relates to the magnetic suspension bearing field, especially, relates to a kind of magnetic suspension bearing stator, magnetic suspension bearing, stator iron core making frock.
Background technique
Magnetic suspension bearing (Magnetic Bearing) is to utilize magnetic force that rotor is suspended in the air, and making between rotor and the stator does not have Mechanical Contact.Its principle is through after the energising of stator coil winding, between rotor, forms the closed-loop path.The magnetic line of force gets into rotor through magnetic pole of the stator, forms the electromagnetic force adsorber rotor at rotor surface, utilizes the balanced action of each magnetic pole in the adsorption force on rotor circumference surface; Rotor is suspended in the rotor air gap; Realize contactless between rotor, so the weight of rotor just is fixed on the track of running, utilizing almost is that non-loaded axle core is shored toward anti-magnetic flotation line direction; It is unsettled to form whole rotor, on fixing running track.Compare with traditional ball bearing, sliding bearing and filmatic bearing; There is not Mechanical Contact in magnetic bearing; Rotor can run to very high rotating speed; Have that mechanical wear is little, energy consumption is low, noise is little, the life-span is long, need not to lubricate, advantage such as no oil pollution, be specially adapted in the particular surroundingss such as high speed, vacuum, ultra-clean.
The magnetic circuit of traditional each degrees of freedom of radial magnetic bearing stator is (shown in figure 10) that communicates; Under normal operating conditions, because the electric current that each winding feeds is unequal, each magnetic field under extremely is not separate; Exist the interference and coupling phenomenon between the magnetic field that different control winding currents produce; Figure 10 shows stator field distribution map of the prior art, on scheming, can find out that stator iron core inside has magnetic field 43, and have leakage field 43a between each stator iron core; These leakage fields 43a causes the magnetic field coupling, thereby has aggravated the difficulty of bearing control; Because the existence of leakage field 43a causes the magnetic pole electromagnetic force to reduce, at this moment need increase electric current and improve electromagnetic force in addition, further increase eddy current and hysteresis loss, so just increase energy consumption.Therefore because the existence of coupling, what will cause suspending power on two degrees of freedom of magnetic suspension bearing intercouples the difficulty more that bearing control is become; Also increased simultaneously current loss.
The model utility content
The utility model purpose is to provide a kind of magnetic suspension bearing stator, magnetic suspension bearing, stator iron core to make frock; Exist interference and coupling between the different windings and cause intercoupling of suspending power on two degrees of freedom of magnetic suspension bearing to solve, make the technical problem that bearing is restive and electric energy loss is big.
To achieve these goals, the utility model provides a kind of magnetic suspension bearing stator, comprises a plurality of stator iron cores and stator outer ring: it is on the periphery in the center of circle that a plurality of stator iron cores are evenly distributed on a center with the stator outer ring with interval; A plurality of stator iron cores removably are connected with the stator outer ring.Because a plurality of stator iron cores and stator outer ring are the piece structure, Magnetic field distribution is even between each stator iron core, and there is not the magnetic field coupling phenomenon in magnetic leakage free, has therefore reduced electric energy loss, and makes bearing be easy to control.
Further, each stator iron core comprises a plurality of silicon steel plates that overlap together, and the side towards BEARING SHAFT of each silicon steel plate comprises first extension and second extension, has angle ground between first extension and second extension and is provided with;
Further, angle is spent more than or equal to 20 and is less than or equal to 50 and spends.
Further, the side towards BEARING SHAFT of silicon steel plate also comprises the 3rd extension, and the 3rd extension is arranged between first extension and second extension.
Further, silicon steel plate is provided with the welding groove that is used to weld, and connects through welding groove between a plurality of silicon steel plates.
Further, welding groove is arranged on the side away from BEARING SHAFT of silicon steel plate.
Further, the welding groove on each silicon steel plate of each stator iron core is along linear array, forms the straight-line groove away from an integral body of a side of BEARING SHAFT that is positioned at stator iron core.
Further, the stator outer ring is cirque body or square body, and the inboard of cirque body or square body is provided with the bump of dove-tail form, forms and the suitable mounting groove of stator iron core shape between the bump, and stator iron core is through the mounting groove fixed installation.
Further, cirque body or square body are hollow structure.
Further, bump is at least two.
Further, bump is four.
The utility model also provides a kind of magnetic suspension bearing, comprises the magnetic suspension bearing stator, and the magnetic suspension bearing stator is aforesaid magnetic suspension bearing stator.
The utility model also provides a kind of frock that is used to make stator iron core; Comprise dunnage, top board, stator iron core is the stator iron core of aforesaid magnetic suspension bearing stator, and frock also comprises stem stem; The upper surface of dunnage and the bottom surface of stem stem are fitted fixing; The upper surface of stem stem and the lower surface of top board are fitted fixing, and the circumferential surface of stem stem is provided with at least two vertical draw-in grooves, and the silicon steel plate that constitutes stator iron core is arranged between dunnage and the top board and also can moves along vertical draw-in groove.
Further, the upper surface of dunnage offers the first stem stem groove adaptive with stem stem; And/or the lower surface of top board offers the second stem stem groove adaptive with stem stem.
Further, dunnage offers first screw hole, and the bottom surface of stem stem offers and corresponding first tapped hole of first screw hole, and dunnage is connected through screw with said stem stem; And/or top board offers second screw hole, and the upper surface of stem stem offers and corresponding second tapped hole of second screw hole, and top board is connected through screw with stem stem.
Further, the frock that is used to make stator iron core also comprises and is arranged at the dunnage top and is sheathed on the base plate on the stem stem.
Further, first extension of silicon steel plate and second extension place respectively in the corresponding vertical draw-in groove.
The utlity model has following beneficial effect: a plurality of stator iron cores are the piece structure, do not have between each stator iron core to connect, and Magnetic field distribution is even; Magnetic leakage free; There is not the magnetic field coupling phenomenon, reduced electric energy loss, and make magnetic suspension bearing controlled more easily.
Except top described purpose, feature and advantage, the utility model also has other purpose, feature and advantage.To do further detailed explanation to the utility model with reference to figure below.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is frock schematic representation and the decomposing schematic representation thereof that is used to make stator iron core according to the utility model;
Fig. 2 is the schematic representation according to the utility model first embodiment's silicon steel plate;
Fig. 3 is according to the utility model stator iron core and the frock schematic representation that is used to install stator iron core;
Fig. 4 is the schematic representation that is used to install the frock of stator iron core according to the utility model;
Fig. 5 is according to the silicon steel plate schematic representation that the utlity model has the 3rd extension;
Fig. 6 is second embodiment's stator iron core distribution schematic diagram according to the utility model;
Fig. 7 is the 3rd embodiment's stator iron core distribution schematic diagram according to the utility model;
Fig. 8 is the 4th embodiment's stator iron core distribution schematic diagram according to the utility model;
Fig. 9 is the stator field distribution schematic diagram according to the magnetic suspension bearing of the utility model; And
Figure 10 is the stator field distribution schematic diagram of magnetic suspension bearing of the prior art.
Embodiment
Embodiment to the utility model is elaborated below in conjunction with accompanying drawing, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Referring to Fig. 1 and Fig. 3; First embodiment according to the utility model; The magnetic suspension bearing stator; Comprise a plurality of stator iron cores 40 and stator outer ring 42, it is characterized in that: it is on the periphery in the center of circle that a plurality of stator iron cores 40 are evenly distributed on a center with stator outer ring 42 with interval, and a plurality of stator iron cores 40 removably are connected with stator outer ring 42.A plurality of stator iron cores 40 are the piece structure, do not have between each stator iron core 40 to connect, and Magnetic field distribution is even, and there is not the magnetic field coupling phenomenon in magnetic leakage free, has reduced electric energy loss, and makes magnetic suspension bearing controlled more easily.
Each stator iron core 40 comprises a plurality of silicon steel plates 41 that overlap together, and the side towards BEARING SHAFT of each silicon steel plate 41 comprises the first extension 41b and the second extension 41c, has angle ground between the first extension 41b and the second extension 41c and is provided with;
Referring to Fig. 2; Angle between the first extension 41b and the second extension 41c is big or in equaling 20 degree and being less than or equal to 50 degree, in this angular range, the magnetic induction line distribution in the magnetic field of iron core 40 inside is closeer; Thereby magnetic field is also stronger, helps the balance of rotor.Among first embodiment of the utility model between the first extension 41b and the second extension 41c angle be 45 the degree, iron core 40 internal magnetic fields under this angle are the strongest.
Referring to Fig. 5, the side towards BEARING SHAFT of silicon steel plate 41 also comprises the 3rd extension 41d, and the 3rd extension 41d is arranged between the first extension 41b and the second extension 41c.The special-purpose die stamping of silicon steel plate 41 usefulness forms, and also the cutting of available silicon steel disc line forms, and its thickness and size can be used definite according to reality, and silicon steel plate 41 can be produced in batches, and it is low to have a cost, the characteristics that efficient is high.
Referring to Fig. 2 and Fig. 3, silicon steel plate 41 is provided with the welding groove 41a that is used to weld, and connects through welding groove 41a between a plurality of silicon steel plates 41.Welding groove 41a is arranged on the side away from BEARING SHAFT of silicon steel plate 41.Welding groove 41a on each silicon steel plate 41 of each stator iron core 40 is along linear array, forms the straight-line groove away from an integral body of a side of BEARING SHAFT that is positioned at stator iron core 40.Each silicon steel plate 41 welds together through welding groove 41a; Buckle also can be set between each silicon steel plate 41 to be fixedly connected.
Referring to Fig. 3 and Fig. 4; Stator outer ring 42 is cirque body or square body; The inboard of cirque body or square body is provided with the bump 42a of dove-tail form, forms and the suitable mounting groove of stator iron core 40 shapes between the bump 42a, and stator iron core 40 is through the mounting groove fixed installation.Bump (42a) is at least two to hold up rotor and to keep balancing rotor.First embodiment's of the utility model bump (42a) is four, and the rotating speed of the situation lower rotor part that four iron cores 40 are uniformly distributed with is the highest, and magnetic field is steady, and the degree of balance is also best.As shown in Figure 4, according to a preferred embodiment of the utility model, bump 42a is four.Form and the suitable mounting groove of stator iron core 40 shapes between two bump 42a, stator iron core 40 is through the mounting groove fixed installation.When stator iron core 40 is installed; Stator iron core 40 and the stator outer ring 42 that processes are assembled; And utilize the mounting groove between a plurality of dove-tail bump 42a structures on the stator outer ring 42 to match with stator iron core 40, bearing stator iron core 40 is radially fixed.The stator outer ring 42 of the utility model is a hollow structure, and stator outer ring 42 also can be square body or other shapes.
Referring to Fig. 6, second embodiment of the utility model is that 5 stator iron cores 40 with the 3rd extension 41d are evenly distributed on the circumference, forms the stator iron core of whole magnetic suspension bearing; The interior permanent magnet of the stator iron core 40 in the present embodiment can form closed magnetic pole loop, thereby rotor is formed electromagnetic force, support rotor.
Referring to Fig. 7, the 3rd embodiment of the utility model is that 4 stator iron cores 40 with the 3rd extension 41d are evenly distributed on the circumference, forms the stator iron core of whole magnetic suspension bearing; The interior permanent magnet of the stator iron core 40 in the present embodiment can form closed magnetic pole loop, thereby rotor is formed electromagnetic force, support rotor.
Referring to Fig. 8, the 4th embodiment of the utility model is that 3 stator iron cores 40 with the 3rd extension 41d are evenly distributed on the circumference, forms the stator iron core of whole magnetic suspension bearing; The interior permanent magnet of the stator iron core 40 in the present embodiment can form closed magnetic pole loop, thereby rotor is formed electromagnetic force, support rotor.
Referring to Fig. 9, the stator field that Fig. 9 shows among the utility model first embodiment distributes, and stator iron core 40 inside have magnetic field 43; There is not leakage field between each stator iron core 40; Do not have the magnetic field coupling phenomenon, thereby can reduce electric energy loss, play energy-conservation effect.In like manner, there is not leakage field between each stator iron core 40 among second, third embodiment of the utility model yet, do not have the magnetic field coupling phenomenon.
Embodiment's magnetic suspension bearing according to the utility model comprises the magnetic suspension bearing stator, and the magnetic suspension bearing stator is aforesaid magnetic suspension bearing stator.
The frock that is used to make stator iron core according to the embodiment of the utility model; Comprise dunnage 10, top board 50; Stator iron core is the stator iron core 40 of aforesaid magnetic suspension bearing stator, and frock also comprises stem stem 30, and the bottom surface of the upper surface of dunnage 10 and stem stem 30 is fitted fixing; The lower surface of the upper surface of stem stem 30 and top board 50 is fitted fixing; The circumferential surface of stem stem 30 is provided with at least two vertical draw-in groove 30a, and the silicon steel plate 41 that constitutes stator iron core 40 is arranged between dunnage 10 and the top board 50 and also can moves along vertical draw-in groove 30a, laminates in order and does not squint to guarantee each silicon steel plate 41.The upper surface of dunnage 10 offers the first stem stem groove 10a adaptive with said stem stem 30, and the lower surface of top board 50 offers the second stem stem groove 50a adaptive with stem stem 30; Likewise, dunnage 10 offers first screw hole, and the bottom surface of stem stem 30 offers and corresponding first tapped hole of first screw hole, and dunnage 10 and stem stem 30 are connected through screw; Likewise, top board 50 offers second screw hole, and the upper surface of stem stem 30 offers and corresponding second tapped hole of second screw hole, and top board 50 and stem stem 30 are connected through screw.Stem stem 30 also can weld with dunnage 10, and likewise, stem stem 30 also can weld with top board 50.The frock that is used to make stator iron core also comprises and is arranged at dunnage 10 tops and is sheathed on the base plate 20 on the stem stem 30.The first extension 41b of silicon steel plate 41 and the second extension 41c place respectively in the corresponding vertical draw-in groove 30a, and can move along vertical draw-in groove 30a.
The method of stator iron core that is used to make aforementioned magnetic suspension bearing stator according to the utility model comprises the steps: through screw dunnage 10 to be fixedly connected with stem stem 30; Base plate 20 is set on the stem stem 30, multi-disc silicon steel plate 41 is put into by the position of the draw-in groove 30a on the stem stem 30 successively; After multi-disc silicon steel plate 41 reaches predetermined altitude, utilize top board 50 to compress, and utilize second screw hole of top board 50 and stem stem 30 that top board 50 and stem stem 30 are fixed along the silicon steel plate 41 of stem stem 30 circle distribution; The multi-disc silicon steel plate 41 that is applied also compacting is carried out spot welding in the position of the welding groove 41a of semicircle; After the cooling of access slot 41a to be welded place, top board 50 is removed, taken out each stator iron core 40, thereby obtained the stator iron core 40 of the utility model.
Magnetic suspension bearing stator iron core in the present embodiment adopts the frock of above-mentioned making stator iron core to make; The making flow process of the stator iron core of the magnetic suspension bearing of present embodiment is following: at first dunnage 10 is connected with stem stem 30; Utilize first screw hole of dunnage 10 bottoms and first tapped hole of stem stem bottom surface; By screw dunnage 10 and stem stem 30 are fixed, and then base plate 20 is enclosed within on the stem stem 30, silicon steel plate 41 is put into by the notch position on the stem stem 30 is piecemeal; When reaching predetermined altitude; Utilize top board 50 again, will compress, and utilize second screw hole of top board 50 and stem stem 30 and second tapped hole of stem stem upper surface that top board 50 and stem stem 30 are fixed along the silicon steel plate 41 of stem stem 30 circle distribution.The silicon steel plate 41 that will be compacted then, laminates carries out spot welding in semicircle welding groove 41a position.After the cooling of access slot 41a to be welded place, top board 50 is removed, taken out each stator iron core 40, this moment, assembled piece type stator iron core machined.
From above description, can find out that the utility model the above embodiments have realized following technique effect: stator iron core is spliced by a plurality of silicon steel plates, reduces the generation of eddy current, thus less energy consumption; A plurality of stator iron cores are the piece structure, do not have between each stator iron core to connect, and Magnetic field distribution is even, and there is not the magnetic field coupling phenomenon in magnetic leakage free, has reduced electric energy loss, and makes magnetic suspension bearing controlled more easily.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.

Claims (17)

1. a magnetic suspension bearing stator comprises a plurality of stator iron cores (40) and stator outer ring (42), it is characterized in that:
The center that a plurality of said stator iron cores (40) are evenly distributed on said stator outer ring (42) with interval is on the periphery in the center of circle;
A plurality of said stator iron cores (40) removably are connected with stator outer ring (42).
2. magnetic suspension bearing stator according to claim 1 is characterized in that,
Each said stator iron core (40) comprises a plurality of silicon steel plates (41) that overlap together; Side towards said BEARING SHAFT of each said silicon steel plate (41) comprises first extension (41b) and second extension (41c), has angle ground between said first extension (41b) and said second extension (41c) and is provided with.
3. magnetic suspension bearing stator according to claim 2 is characterized in that, said angle is more than or equal to 20 degree and be less than or equal to 50 degree.
4. magnetic suspension bearing stator according to claim 2; It is characterized in that; Side towards said BEARING SHAFT of said silicon steel plate (41) also comprises the 3rd extension (41d), and said the 3rd extension (41d) is arranged between said first extension (41b) and said second extension (41c).
5. according to each described magnetic suspension bearing stator in the claim 2 to 4, it is characterized in that said silicon steel plate (41) is provided with the welding groove (41a) that is used to weld, connect through said welding groove (41a) between a plurality of said silicon steel plates (41).
6. magnetic suspension bearing stator according to claim 5 is characterized in that, said welding groove (41a) is arranged on the side away from said BEARING SHAFT of said silicon steel plate (41).
7. magnetic suspension bearing stator according to claim 5; It is characterized in that; Said welding groove (41a) on each silicon steel plate (41) of each said stator iron core (40) is along linear array, forms the straight-line groove away from an integral body of a side of said BEARING SHAFT that is positioned at said stator iron core (40).
8. magnetic suspension bearing stator according to claim 1; It is characterized in that; Said stator outer ring (42) is cirque body or square body; The inboard of said cirque body or square body is provided with the bump (42a) of dove-tail form, forms and the suitable mounting groove of said stator iron core (40) shape between the said bump (42a), and said stator iron core (40) is through said mounting groove fixed installation.
9. magnetic suspension bearing stator according to claim 8 is characterized in that, said cirque body or square body are hollow structure.
10. magnetic suspension bearing stator according to claim 8 is characterized in that, said bump (42a) is at least two.
11. magnetic suspension bearing stator according to claim 10 is characterized in that, said bump (42a) is four.
12. a magnetic suspension bearing comprises the magnetic suspension bearing stator, it is characterized in that, said magnetic suspension bearing stator is each described magnetic suspension bearing stator in the claim 1 to 11.
13. frock that is used to make stator iron core; Comprise dunnage (10), top board (50); It is characterized in that; Said stator iron core is the stator iron core (40) of the magnetic suspension bearing stator described in each in the claim 1 to 11; Said frock also comprises stem stem (30), and the bottom surface of the upper surface of said dunnage (10) and stem stem (30) is fitted fixing, and the lower surface of the upper surface of said stem stem (30) and said top board (50) is fitted fixing; The circumferential surface of said stem stem (30) is provided with at least two vertical draw-in grooves (30a), and the silicon steel plate (41) that constitutes said stator iron core (40) is arranged between said dunnage (10) and the said top board (50) and also can moves along said vertical draw-in groove (30a).
14. the frock that is used to make stator iron core according to claim 13 is characterized in that, the upper surface of said dunnage (10) offers the first stem stem groove (10a) adaptive with said stem stem (30); And/or the lower surface of said top board (50) offers the second stem stem groove (50a) adaptive with said stem stem (30).
15. the frock that is used to make stator iron core according to claim 13; It is characterized in that; Said dunnage (10) offers first screw hole; The bottom surface of said stem stem (30) offers and corresponding first tapped hole of said first screw hole, and said dunnage (10) is connected through screw with said stem stem (30); And/or said top board (50) offers second screw hole, and the upper surface of said stem stem (30) offers and corresponding second tapped hole of said second screw hole, and said top board (50) is connected through screw with said stem stem (30).
16. the frock that is used to make stator iron core according to claim 13 is characterized in that, also comprises being arranged at said dunnage (10) top and being sheathed on the base plate (20) on the said stem stem (30).
17. the frock that is used to make stator iron core according to claim 13 is characterized in that, first extension (41b) of said silicon steel plate (41) and second extension (41c) place respectively in the corresponding said vertical draw-in groove (30a).
CN2012200028179U 2012-01-04 2012-01-04 Magnetic suspension bearing stator, magnetic suspension bearing and stator core manufacturing tool Withdrawn - After Issue CN202579653U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200028179U CN202579653U (en) 2012-01-04 2012-01-04 Magnetic suspension bearing stator, magnetic suspension bearing and stator core manufacturing tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200028179U CN202579653U (en) 2012-01-04 2012-01-04 Magnetic suspension bearing stator, magnetic suspension bearing and stator core manufacturing tool

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Publication Number Publication Date
CN202579653U true CN202579653U (en) 2012-12-05

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103195806A (en) * 2012-01-04 2013-07-10 珠海格力节能环保制冷技术研究中心有限公司 Magnetic suspension bearing stator, magnetic suspension bearing, stator core making tool and stator core making method
CN104101372A (en) * 2013-04-12 2014-10-15 珠海格力节能环保制冷技术研究中心有限公司 Magnetic-suspension bearing device and sensor fixation support thereof
CN106369052A (en) * 2016-10-24 2017-02-01 珠海格力节能环保制冷技术研究中心有限公司 Magnetic bearing
CN110657822A (en) * 2019-10-16 2020-01-07 陕西航天时代导航设备有限公司 Flexible self-locking structure tool for axial magnetic suspension stator element test

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103195806A (en) * 2012-01-04 2013-07-10 珠海格力节能环保制冷技术研究中心有限公司 Magnetic suspension bearing stator, magnetic suspension bearing, stator core making tool and stator core making method
CN103195806B (en) * 2012-01-04 2016-02-03 珠海格力节能环保制冷技术研究中心有限公司 Magnetic suspension bearing stator, magnetic suspension bearing, stator iron core make frock and method
CN104101372A (en) * 2013-04-12 2014-10-15 珠海格力节能环保制冷技术研究中心有限公司 Magnetic-suspension bearing device and sensor fixation support thereof
CN104101372B (en) * 2013-04-12 2017-04-05 珠海格力节能环保制冷技术研究中心有限公司 A kind of magnetic suspension bearing apparatus and its sensor fixed support
CN106369052A (en) * 2016-10-24 2017-02-01 珠海格力节能环保制冷技术研究中心有限公司 Magnetic bearing
CN110657822A (en) * 2019-10-16 2020-01-07 陕西航天时代导航设备有限公司 Flexible self-locking structure tool for axial magnetic suspension stator element test
CN110657822B (en) * 2019-10-16 2023-07-14 陕西航天时代导航设备有限公司 Flexible self-locking structure tool for testing axial magnetic suspension stator element

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