CN205478443U - Magnetic suspension high speed centrifugation air -blower - Google Patents
Magnetic suspension high speed centrifugation air -blower Download PDFInfo
- Publication number
- CN205478443U CN205478443U CN201620271738.6U CN201620271738U CN205478443U CN 205478443 U CN205478443 U CN 205478443U CN 201620271738 U CN201620271738 U CN 201620271738U CN 205478443 U CN205478443 U CN 205478443U
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- magnetic
- diffuser
- connecting plate
- spiral case
- motor
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Abstract
The utility model provides a magnetic suspension high speed centrifugation air -blower, including magnetic levitation motor, connecting plate, spiral case, collector, impeller, diffuser and sealed dish, magnetic levitation motor passes through the connecting plate and links to each other with the spiral case, magnetic levitation motor's motor shaft links to each other with the impeller through the locking pull rod, is equipped with lock nut on the locking pull rod be equipped with sealed dish and diffuser on the connecting plate, the collector with the spiral case links to each other. This magnetic suspension high speed centrifugation air -blower passes through mode connection magnetic levitation motor and spiral case that the connecting plate adopted the tang location, installs diffuser and sealed dish on the connecting plate, has reduced the part, has improved assembly precision, axiality and structural stiffness, seal the dish and be clearance fit with the motor shaft, rationally set up the fit clearance, both guaranteed that the motor shaft does not rub with sealed dish, also can guarantee its good gas tightness, increase metal filters newly on the collector entry, improved fan operation's security, have simple structure, use ann congruent advantage.
Description
Technical field
This utility model belongs to blower equipment field, especially relates to a kind of magnetic-suspension high-speed and is centrifuged air blast
Machine.
Background technology
High-speed magnetic-suspension centrifugal blower is directly to be coordinated with impeller by magnetic suspension high speed motor main shaft,
Impeller rotates and is sucked from current collector by air, then is drained in spiral case.The centrifugal drum of magnetic-suspension high-speed
Blower fan structure mainly has magnetic suspension high speed motor and these two parts of centrifugal blower.Under in working order, magnetic
Suspension high-speed electric expreess locomotive utilizes magnetic bearing to be suspended in by electric machine main shaft near electrical axis position, when main shaft rotates,
Its shaft core position is not to maintain static, but main shaft radial beat eccentricity should be less than 0.2mm.Due to main shaft with
Impeller is joined directly together, the circular runout of electric machine main shaft also can impeller circular runout, therefore to magnetic suspension
Electric machine main shaft requires the highest with the axiality of centrifugal blower, otherwise can beat because of electric machine main shaft and cause leaf
Wheel abrades with current collector, damages parts.
In the prior art, magnetic suspension motor is connected with spiral case, at backboard by the part such as flange, backboard
Upper installation diffuser and seal disc, then install impeller, be finally connected with spiral case by current collector.Due to
Upper connection the most all uses seam to position so that centrifugal blower is the highest with the coaxial accuracy of motor body,
And aerator is cantilever design relative to motor, malformation is bigger.Therefore, research and development one improves magnetic suspension
Motor is individual with the magnetic-suspension high-speed centrifugal blower of the axiality of cfentrifugal blower, reduction malformation
Problem demanding prompt solution.
Summary of the invention
In view of this, this utility model is directed to a kind of magnetic-suspension high-speed centrifugal blower, to improve magnetic
Floatation electric motor and the axiality of cfentrifugal blower, reduce malformation, improve the peace of equipment operation simultaneously
Quan Xing.
For reaching above-mentioned purpose, the technical solution of the utility model is achieved in that
A kind of magnetic-suspension high-speed centrifugal blower, including magnetic suspension motor, connecting plate, spiral case, current collector,
Impeller, diffuser and seal disc, described magnetic suspension motor is connected with described spiral case by described connecting plate,
The motor shaft of described magnetic suspension motor is connected with described impeller, on described locking pull bar by locking pull bar
It is provided with locking nut, described connecting plate is provided with described seal disc and diffuser, described seal disc close
Envelope tooth and the motor shaft matched in clearance of described magnetic suspension motor, the vane tip of described diffuser and described snail
Shell contacts, and described current collector is connected with described spiral case.
Further, in the porch of described current collector, metal filter screen is installed, prevents foreign body from entering drum
Blower fan, causes damage to aerator.
Further, the sealing tooth of described seal disc should be the least with the least radius gap of motor shaft,
And more than motor shaft radial beat eccentricity 0.2mm, sealing tooth otherwise can be caused to abrade with motor shaft, the closeest
Envelope tooth least radius clearance control is at 0.2+0.5 × D/1000 (mm), and wherein D is motor shaft end diameter.
Further, described magnetic suspension motor coordinates installation by seam location mode with connecting plate.
Further, described spiral case coordinates installation by seam location mode with connecting plate.
Further, described current collector coordinates installation by seam location mode with spiral case.
Further, diffuser to be controlled and the blade tip clearance of spiral case, diffuser material is aluminum
Alloy, temperature influence changes greatly, and cfentrifugal blower operationally temperature is higher, can make diffuser
Expand, for ensureing that diffuser diffuser blade tip clearance in normal operation is zero and diffuser vane will not be because of
Extrusion stress deforms, and described diffuser blade tip clearance should be adjusted to t × (T-20) × α (mm),
Wherein t be diffuser total thickness, T be operating temperature, α be the thermal coefficient of expansion of diffuser material.
Relative to prior art, magnetic-suspension high-speed centrifugal blower described in the utility model has following excellent
Gesture: this magnetic-suspension high-speed centrifugal blower connects magnetic suspension electricity by the way of connecting plate uses seam location
Machine and spiral case, be arranged on diffuser and seal disc on connecting plate, decrease part, improves assembling essence
Degree, axiality and the rigidity of structure；Seal disc and motor shaft are matched in clearance, rationally arrange fit clearance,
Both ensured motor shaft not with seal disc friction, it is also ensured that its good air-tightness；Control during installation
The blade tip clearance of diffuser vane, reduces air leakage, thus improves fan efficiency；On current collector entrance
Increase metal filter screen newly, improve the safety of fan operation；There is simple in construction, use safety etc.
Advantage.
Accompanying drawing explanation
The accompanying drawing constituting a part of the present utility model is further appreciated by of the present utility model for providing,
Schematic description and description of the present utility model is used for explaining this utility model, is not intended that this reality
With novel improper restriction.In the accompanying drawings:
Fig. 1 is the structural representation described in this utility model embodiment.
Description of reference numerals:
1-magnetic suspension motor；2-connecting plate；3-metal filter screen；4-spiral case；5-current collector；6-locks
Pull bar；7-locking nut；8-impeller；9-diffuser；10-seal disc；11-motor shaft.
Detailed description of the invention
It should be noted that in the case of not conflicting, in embodiment in this utility model and embodiment
Feature can be mutually combined.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " horizontal stroke
To ", " on ", D score, "front", "rear", "left", "right", " vertically ", " water
Flat ", the orientation that indicates of " top ", " end ", " interior ", " outward " etc. or position relationship be based on attached
Orientation shown in figure or position relationship, be for only for ease of description this utility model and simplify description, and not
Be instruction or the hint device of indication or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second "
Etc. being only used for describing purpose, and it is not intended that instruction or hint relative importance or implicit indicate indication
The quantity of the technical characteristic shown.Thus, the feature defining " first ", " second " etc. can be expressed
Or implicitly include one or more this feature.In description of the present utility model, unless otherwise
Illustrating, " multiple " are meant that two or more.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited,
Term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing,
Can also be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；
Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the company of two element internals
Logical.For the ordinary skill in the art, can understand that above-mentioned term is at this by concrete condition
Concrete meaning in utility model.
Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
A kind of magnetic-suspension high-speed centrifugal blower, including magnetic suspension motor 1, connecting plate 2, spiral case 4, collection
Stream device 5, impeller 8, diffuser 9 and seal disc 10, described magnetic suspension motor 1 is by described connecting plate
2 are connected with described spiral case 4, and described magnetic suspension motor 1 is coordinated with connecting plate 2 by seam location mode
Installing, described spiral case 4 positions mode by seam and coordinates installation, described magnetic suspension motor with connecting plate 2
The motor shaft 11 of 1 is connected with described impeller 8 by locking pull bar 6, is provided with on described locking pull bar 6
Locking nut 7, is provided with described seal disc 10 and diffuser 9, described seal disc on described connecting plate 2
Motor shaft 11 matched in clearance sealing tooth and described magnetic suspension motor 1 of 10, the leaf of described diffuser 9
Sheet top contacts with described spiral case 4, and described current collector 5 coordinates peace by seam location mode with spiral case 4
Dress, is provided with metal filter screen 3 in the porch of described current collector 5, prevents foreign body from entering aerator,
Aerator is caused damage.
When seal disc 10 is arranged on connecting plate 2, should be noted that the sealing tooth of described seal disc 10 with
The least radius gap of motor shaft 11 should be the least, and more than motor shaft 11 radial beat eccentricity 0.2mm,
Sealing tooth otherwise can be caused to abrade with motor shaft 11, therefore seal tooth least radius clearance control and exist
0.2+0.5 × D/1000 (mm), wherein D is motor shaft end diameter.Spiral case 4 is arranged on connecting plate 2
Time upper, should be noted that the blade tip clearance controlling diffuser 9 with spiral case 4, diffuser 9 material is aluminium alloy,
Temperature influence changes greatly, and cfentrifugal blower operationally temperature is higher, and diffuser 9 can be made to expand,
For ensureing that diffuser 9 diffuser 9 blade tip clearance in normal operation is zero and diffuser 9 blade will not be because of
Extrusion stress deforms, and described diffuser 9 blade tip clearance should be adjusted to t × (T-20) × α (mm),
Wherein t be diffuser total thickness, T be operating temperature, α be the thermal coefficient of expansion of diffuser material.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model,
All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made,
Within should be included in protection domain of the present utility model.
Claims (7)
1. a magnetic-suspension high-speed centrifugal blower, it is characterized in that: include magnetic suspension motor, connecting plate, spiral case, current collector, impeller, diffuser and seal disc, described magnetic suspension motor is connected with described spiral case by described connecting plate, the motor shaft of described magnetic suspension motor is connected with described impeller by locking pull bar, described locking pull bar is provided with locking nut, described connecting plate is provided with described seal disc and diffuser, the motor shaft matched in clearance sealing tooth and described magnetic suspension motor of described seal disc, the vane tip of described diffuser contacts with described spiral case, described current collector is connected with described spiral case.
A kind of magnetic-suspension high-speed centrifugal blower the most according to claim 1, it is characterised in that: in the porch of described current collector, metal filter screen is installed.
A kind of magnetic-suspension high-speed centrifugal blower the most according to claim 1 and 2, it is characterised in that: the sealing tooth least radius gap of described seal disc is 0.2+0.5 × D/1000mm, and wherein D is motor shaft end diameter.
A kind of magnetic-suspension high-speed centrifugal blower the most according to claim 3, it is characterized in that: described diffuser blade tip clearance is t × (T-20) × α mm, wherein t be diffuser total thickness, T be operating temperature, α be the thermal coefficient of expansion of diffuser material.
A kind of magnetic-suspension high-speed centrifugal blower the most according to claim 4, it is characterised in that: described magnetic suspension motor positions mode by seam and coordinates installation with connecting plate.
A kind of magnetic-suspension high-speed centrifugal blower the most according to claim 4, it is characterised in that: described spiral case positions mode by seam and coordinates installation with connecting plate.
A kind of magnetic-suspension high-speed centrifugal blower the most according to claim 4, it is characterised in that: described current collector positions mode by seam and coordinates installation with spiral case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620271738.6U CN205478443U (en) | 2016-03-31 | 2016-03-31 | Magnetic suspension high speed centrifugation air -blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620271738.6U CN205478443U (en) | 2016-03-31 | 2016-03-31 | Magnetic suspension high speed centrifugation air -blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205478443U true CN205478443U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620271738.6U Active CN205478443U (en) | 2016-03-31 | 2016-03-31 | Magnetic suspension high speed centrifugation air -blower |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194785A (en) * | 2016-09-26 | 2016-12-07 | 南京磁谷科技有限公司 | The rotor fan-free backflow air-cooled structure of isolation rotor magnetic suspension motor |
| CN106194801A (en) * | 2016-09-26 | 2016-12-07 | 南京磁谷科技有限公司 | A kind of air-cooled aerator of fan-free reverse-flow type |
| CN107313989A (en) * | 2016-11-28 | 2017-11-03 | 盾石磁能科技有限责任公司 | Magnetic suspension cfentrifugal blower air cooling system |
| CN108895012A (en) * | 2018-07-27 | 2018-11-27 | 中车大连机车研究所有限公司 | A kind of EMU traction motor cooling wind unit |
| CN109519404A (en) * | 2018-12-29 | 2019-03-26 | 河南迪诺环保科技股份有限公司 | A kind of protection and warning device for magnetic suspension air blower |
| CN109555715A (en) * | 2019-01-18 | 2019-04-02 | 南通大通宝富风机有限公司 | A kind of horizontal magnetic suspension vapor compressor |
| CN109578297A (en) * | 2019-01-18 | 2019-04-05 | 南通大通宝富风机有限公司 | A kind of vertical magnetic water in suspension Pistonless compressor |
| CN110397605A (en) * | 2019-07-09 | 2019-11-01 | 中国航发哈尔滨东安发动机有限公司 | A kind of high-speed direct-drive centrifugation vapour compression machine device |
| WO2020030198A1 (en) * | 2018-08-06 | 2020-02-13 | 南京磁谷科技有限公司 | Structure for adjusting concentricity of air inlet passage and impeller |
| CN112594199A (en) * | 2020-12-01 | 2021-04-02 | 浙江上风高科专风实业股份有限公司 | Movement structure of high-speed magnetic suspension air blower and leakage-proof sealing design method |
| CN113007137A (en) * | 2021-04-25 | 2021-06-22 | 中国航发湖南动力机械研究所 | Diffuser with containment and centrifugal compressor |
| CN114087235A (en) * | 2022-01-24 | 2022-02-25 | 南通市吉腾鼓风机有限公司 | Inside air filtering structure of air-blower |
| CN114673681A (en) * | 2022-04-22 | 2022-06-28 | 天津捷强动力装备股份有限公司 | Axial balance and sealing structure of high-speed air suspension fan |
| CN114810637A (en) * | 2022-05-05 | 2022-07-29 | 山东省章丘鼓风机股份有限公司 | Integrated high-speed direct-drive fan |
| CN114810640A (en) * | 2022-06-06 | 2022-07-29 | 山东省章丘鼓风机股份有限公司 | High-speed direct-drive fan with radial subdivision structure |
-
2016
- 2016-03-31 CN CN201620271738.6U patent/CN205478443U/en active Active
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194801A (en) * | 2016-09-26 | 2016-12-07 | 南京磁谷科技有限公司 | A kind of air-cooled aerator of fan-free reverse-flow type |
| CN106194785A (en) * | 2016-09-26 | 2016-12-07 | 南京磁谷科技有限公司 | The rotor fan-free backflow air-cooled structure of isolation rotor magnetic suspension motor |
| CN107313989A (en) * | 2016-11-28 | 2017-11-03 | 盾石磁能科技有限责任公司 | Magnetic suspension cfentrifugal blower air cooling system |
| CN108895012A (en) * | 2018-07-27 | 2018-11-27 | 中车大连机车研究所有限公司 | A kind of EMU traction motor cooling wind unit |
| WO2020030198A1 (en) * | 2018-08-06 | 2020-02-13 | 南京磁谷科技有限公司 | Structure for adjusting concentricity of air inlet passage and impeller |
| CN109519404A (en) * | 2018-12-29 | 2019-03-26 | 河南迪诺环保科技股份有限公司 | A kind of protection and warning device for magnetic suspension air blower |
| CN109578297B (en) * | 2019-01-18 | 2023-09-05 | 南通大通宝富风机有限公司 | Vertical magnetic suspension vapor compressor |
| CN109555715A (en) * | 2019-01-18 | 2019-04-02 | 南通大通宝富风机有限公司 | A kind of horizontal magnetic suspension vapor compressor |
| CN109578297A (en) * | 2019-01-18 | 2019-04-05 | 南通大通宝富风机有限公司 | A kind of vertical magnetic water in suspension Pistonless compressor |
| CN110397605A (en) * | 2019-07-09 | 2019-11-01 | 中国航发哈尔滨东安发动机有限公司 | A kind of high-speed direct-drive centrifugation vapour compression machine device |
| CN112594199A (en) * | 2020-12-01 | 2021-04-02 | 浙江上风高科专风实业股份有限公司 | Movement structure of high-speed magnetic suspension air blower and leakage-proof sealing design method |
| CN113007137A (en) * | 2021-04-25 | 2021-06-22 | 中国航发湖南动力机械研究所 | Diffuser with containment and centrifugal compressor |
| CN113007137B (en) * | 2021-04-25 | 2022-12-02 | 中国航发湖南动力机械研究所 | Diffuser with containment and centrifugal compressor |
| CN114087235B (en) * | 2022-01-24 | 2022-03-29 | 南通市吉腾鼓风机有限公司 | Inside air filtering structure of air-blower |
| CN114087235A (en) * | 2022-01-24 | 2022-02-25 | 南通市吉腾鼓风机有限公司 | Inside air filtering structure of air-blower |
| CN114673681A (en) * | 2022-04-22 | 2022-06-28 | 天津捷强动力装备股份有限公司 | Axial balance and sealing structure of high-speed air suspension fan |
| CN114673681B (en) * | 2022-04-22 | 2023-10-20 | 天津捷强动力装备股份有限公司 | Axial balance and sealing structure of high-speed air suspension fan |
| CN114810637A (en) * | 2022-05-05 | 2022-07-29 | 山东省章丘鼓风机股份有限公司 | Integrated high-speed direct-drive fan |
| CN114810637B (en) * | 2022-05-05 | 2024-01-23 | 山东省章丘鼓风机股份有限公司 | Integrated high-speed direct-driven fan |
| CN114810640A (en) * | 2022-06-06 | 2022-07-29 | 山东省章丘鼓风机股份有限公司 | High-speed direct-drive fan with radial subdivision structure |
| CN114810640B (en) * | 2022-06-06 | 2024-01-23 | 山东省章丘鼓风机股份有限公司 | High-speed direct-driven fan with radial subdivision structure |
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