CN205070658U - Vertical permanent -magnet direct -drive motor - Google Patents
Vertical permanent -magnet direct -drive motor Download PDFInfo
- Publication number
- CN205070658U CN205070658U CN201520753234.3U CN201520753234U CN205070658U CN 205070658 U CN205070658 U CN 205070658U CN 201520753234 U CN201520753234 U CN 201520753234U CN 205070658 U CN205070658 U CN 205070658U
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- end cover
- bearing
- permanent magnet
- rotor
- armature spindle
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Abstract
The utility model provides a vertical permanent -magnet direct -drive motor, includes casing, upper end cover, bottom end cover, stator winding and rotor, and this rotor includes rotor shaft, permanent magnet and silicon steel sheet, and the permanent magnet passes through T type key and the outer peripheral face at the rotor is fixed to the silicon steel sheet, stator winding installs in the casing, installs end cover and bottom end cover respectively at the upper end of casing and lower extreme, and the both ends of rotor shaft are passed through the bearing and are rotated and install in the centre bore of upper end cover and bottom end cover, and the carousel is held and be equipped with in the upper end of rotor shaft for power take off upper end and the lower extreme branch of casing be equipped with with inside communicating air inlet of shell and gas vent, exhaust apparatus is equipped with at this gas vent. The utility model has the advantages that: can get rid of and restrain the dust entering with getting into the inside dust of vertical permanent -magnet direct -drive motor effectively, can provide the axial holding power, can support vertical permanent -magnet direct -drive motor top carrier.
Description
Technical field
The utility model relates to a kind of vertical permanent magnet direct driving motor, mainly as the power set in vertical grinder drive system, or as common motive power device.
Background technology
At present, domestic vertical grinder drive system generally adopts the pattern of asynchronous machine+decelerator.In transmission drive system, motor and decelerator belong to series connection, and efficiency is both products, and therefore overall transmission efficiency is very low.And asynchronous machine due to stator winding side need excitation make the power factor of motor own and efficiency all lower, this makes conventional drive system energy consuming ratio higher.At present, use conventional drive system to carry out energy-conservationly mainly containing the following aspects: (1) power of motor controls energy-conservation, namely by minimizing output power of motor, driving power and load are matched.(2) motor Y-Δ connection is energy-conservation, and namely motor winding uses Δ connection starter motor, and after motor normal operation, winding changes Y connection into.(3) energy-saving efficient motor is used, as low speed large torque moment permanent-magnet motor etc.(4) variable speed energy saving transformation.At present, mode of speed regulation mainly contains rotor crosstalk resistance, fluid coupling speed governing, pole changing and frequency control etc.
The report in International Energy Agency motor working group in July, 2006 is pointed out, by improving motor efficiency and can saving total electric energy in the world 7% in conjunction with frequency control.Wherein, improve electric efficiency and can account for 25% ~ 33%.Current high efficiency motor mainly contains high-efficiency three-phase cage type induction motor, switched reluctance motor etc., rare-earth permanent magnet motor.
Three phase asynchronism induction-motor is mainly divided into squirrel-cage induction motor and wound rotor induction motor, and wherein governing type three phases squirrel-cage asynchronous motor power consumption accounts for 90% of industrial motor power consumption.Efficiently compared to common induction machine (IE1), owing to using more, high-quality material efficiency improves 3% to (IE2) squirrel-cage motor, the life-span is longer, slip is little, and price also exceeds 25%-30% simultaneously.
Driving system for switched reluctance (SRD) grew up the eighties in 20th century, and it mainly comprises switched reluctance machines (SRM), controller, power inverter and velocity location detector composition.Switched reluctance machines structure is simple, is convenient to manufacture; High rotating speed can be worked in; Be used in adverse circumstances even strong vibration environment; Rotor-side is lossless, has allowed higher temperatures liter; Detent torque is large; Speed adjustable range is wide; Can stop by frequent starting.Be widely used in blower fan, pump, compressor, textile industry at present, the special starter motor being also applied in electric motor car and aircraft.But switched reluctance machines is by larger torque pulsation, and the vibrations of legacy system noise are larger and terminal is more than general motor.
Along with the development of power electronic technology, control technology and permanent magnetic material etc., rare-earth permanent-magnet electric machine progressively climbs up stage.Rare-earth permanent-magnet electric machine, by permanent magnet excitation, can provide very strong magnetic field, and high efficiency, detent torque are large, overload capacity is strong, volume is little, non-maintaining.Very high power factor and efficiency can be kept in underloading and full load.At present, what industrial circle was applied as driving mainly contains asynchronous starting magneto and variable frequency speed-adjusting permanent magnet motor.
Summary of the invention
The utility model object is to provide a kind of vertical permanent magnet direct driving motor, vertical permanent magnet direct driving motor directly can substitute the pattern of traditional vertical mill drive system " asynchronous machine+decelerator ", with solve prior art exist transmission efficiency low, caloric value is high, take up room large problem.
The technical solution of the utility model is: a kind of vertical permanent magnet direct driving motor, comprise housing, upper end cover, bottom end cover, stator winding and rotor, this rotor comprises armature spindle, permanent magnet and silicon steel sheet, and permanent magnet is fixed on the outer peripheral face of rotor by T-shaped key and silicon steel sheet; Stator winding is arranged in housing, end cap and bottom end cover is installed respectively in the top and bottom of housing, the two ends of armature spindle are rotatably installed in by bearing in the centre bore of upper end cover and bottom end cover, the upper end of armature spindle is clutch end and rotating disk is housed, it is characterized in that, be arranged with the air inlet and exhaust outlet that communicate with enclosure in the top and bottom of described housing, at this exhaust outlet, exhaust apparatus be housed.
Bearing between described armature spindle and upper end cover adopts Biserial cylindrical roller bearing, adopts double-row conical bearing between armature spindle and bottom end cover; This Biserial cylindrical roller bearing and double-row conical bearing are provided with respective lubrication piping, pouring orifice, drain tap and oil drain out.
The upper end of described armature spindle is connected with half a coupler by expansion set, then is connected with described rotating disk by rod pin shaft coupling; Deep groove ball bearing and plain thrust bearing are housed between this rotating disk and upper end cover; This plain thrust bearing and deep groove ball bearing unify flooding system lubrication, jointly form a closed lubricant reservoir, ensured the liquid level of this oil pocket by oil spilling mouth by sealing and oil pocket external seal in rotating disk, upper end cover, oil pocket.
Described enclosure interior be dispersed with one the rule head and the tail connect cooling water channel, be respectively equipped with in the top and the bottom of this housing communicate with the two ends of this cooling water channel turnover, water nozzle.
The utility model has the advantages that:
1, vertical permanent magnet direct driving motor is provided with air inlet and exhaust apparatus, can effectively be got rid of by the dust entering vertical permanent magnet direct driving motor inside.
2, vertical permanent magnet direct driving motor is provided with plain thrust bearing and double-row conical bearing, while guarantee rotor rotates, can provide axial support power.
3, the housing of vertical permanent magnet direct driving motor can provide a supporting role, can carrier above support vertical permanent magnet direct driving motor.
Accompanying drawing explanation
Fig. 1 is general structure schematic diagram of the present utility model.
Description of reference numerals: 1, housing, 2, stator winding, 3, rotor, 31, permanent magnet, 32, T-shaped key, 33, silicon steel sheet, 4, seal cover in upper bearing (metal), 5, Biserial cylindrical roller bearing, 6, upper end cover, 7, drain tap, 8, plain thrust bearing, 9, oil spilling mouth, 10, oil pocket external seal, 11, rotating disk, 12, deep groove ball bearing, 13, sealing in oil pocket, 14, rod pin shaft coupling, 15, expansion set, 16, upper bearing (metal) external seal lid, 17, pouring orifice, 18, exhaust apparatus, 19, seal cover in lower bearing, 20, air inlet, 21, oil drain out, 22, double-row conical bearing, 23, lower bearing external seal lid, 24, armature spindle, 25, bottom end cover, 26, cooling water channel.
Embodiment
See Fig. 1, a kind of vertical permanent magnet direct driving motor of the utility model, comprise housing 1, upper end cover 6, bottom end cover 25, stator winding 2 and rotor 3, this rotor 3 comprises armature spindle 24, permanent magnet and silicon steel sheet, and permanent magnet 31 is fixed on the outer peripheral face of rotor 3 by T-shaped key 32 and silicon steel sheet 33; Stator winding 2 is arranged in housing 1, end cap 6 and bottom end cover 25 is installed respectively in the top and bottom of housing 1, the two ends of armature spindle 24 are rotatably installed in by bearing in the centre bore of upper end cover 6 and bottom end cover 25, and the upper end of armature spindle 24 is clutch end and rotating disk 11 is housed.Due to environment for use requirement, the utility model adds dust-proof mechanism, is namely provided with air inlet 20 and exhaust apparatus 18 at the head end of electric machine casing 1 and tail end, ensures that electric machine casing internal gas pressure is greater than external pressure all the time, stops that external dust enters to play.
The permanent magnet 31 of rotor 3 is fixed on rotor 3 surface by T-shaped key 32 and silicon steel sheet 33 and forms the fixing magnetic field of relative rotor 3, and be subject to the effect of the rotating magnetic field that energising winding 2 fixing on stator produces, whole rotor 3 can follow rotation.For ensureing the stability of rotation of rotor 3, support circular runout at armature spindle output Biserial cylindrical roller bearing 5, the axial force that the weight supporting rotor entirety while armature spindle rear end double-row conical bearing 22 supports circular runout produces.Armature spindle efferent is connected with half a coupler by expansion set 15, be connected with rotating disk 11 by rod pin shaft coupling 14 again, reach the object of transferring power, for ensureing that rotating disk 11 steadily runs reliably, the radial load that deep groove ball bearing 12 carrys out supporting wheel is with the addition of between rotating disk 11 and upper end cover 6, interpolation plain thrust bearing 8 bears axial load when rotating disk 11 works, and eventually through upper end cover 6 and the connection of housing 1, this axial load is delivered to lower margin.
The Biserial cylindrical roller bearing 5 at armature spindle two ends and double-row conical bearing 22 have respective lubrication piping, pouring orifice 17, drain tap 7 and oil drain out 21.Plain thrust bearing 8 flooding system lubrication unified with deep groove ball bearing 12, by seal in rotating disk 11, upper end cover 6, oil pocket 13 and oil pocket external seal 10 jointly form a closed lubricant reservoir, ensured the liquid level of this oil pocket by oil spilling mouth 9.
Be dispersed with the water channel 26 that a rule head and the tail connect in the inside of housing 1, the two ends of water channel 26 are respectively equipped with turnover, water nozzle (not shown), be connected, be cooled with circulating water during operation with outside SAPMAC method system.
According to the difference of mill start-up and operation load, the lubrication of plain thrust bearing 8 can adopt dynamic pressure, dynamic and static pressure, static pressure three kinds of different modes.
Claims (4)
1. a vertical permanent magnet direct driving motor, comprises housing, upper end cover, bottom end cover, stator winding and rotor, and this rotor comprises armature spindle, permanent magnet and silicon steel sheet, and permanent magnet is fixed on the outer peripheral face of rotor by T-shaped key and silicon steel sheet; Stator winding is arranged in housing, end cap and bottom end cover is installed respectively in the top and bottom of housing, the two ends of armature spindle are rotatably installed in by bearing in the centre bore of upper end cover and bottom end cover, the upper end of armature spindle is clutch end and rotating disk is housed, it is characterized in that, be arranged with the air inlet and exhaust outlet that communicate with enclosure in the top and bottom of described housing, at this exhaust outlet, exhaust apparatus be housed.
2. vertical permanent magnet direct driving motor according to claim 1, is characterized in that, the bearing between described armature spindle and upper end cover adopts Biserial cylindrical roller bearing, adopts double-row conical bearing between armature spindle and bottom end cover; This Biserial cylindrical roller bearing and double-row conical bearing are provided with respective lubrication piping, pouring orifice, drain tap and oil drain out.
3. vertical permanent magnet direct driving motor according to claim 1, is characterized in that, the upper end of described armature spindle is connected with half a coupler by expansion set, then is connected with described rotating disk by rod pin shaft coupling; Deep groove ball bearing and plain thrust bearing are housed between this rotating disk and upper end cover; This plain thrust bearing and deep groove ball bearing unify flooding system lubrication, jointly form a closed lubricant reservoir, ensured the liquid level of this oil pocket by oil spilling mouth by sealing and oil pocket external seal in rotating disk, upper end cover, oil pocket.
4. vertical permanent magnet direct driving motor according to claim 1, is characterized in that, described enclosure interior be dispersed with one the rule head and the tail connect cooling water channel, be respectively equipped with in the top and the bottom of this housing communicate with the two ends of this cooling water channel turnover, water nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520753234.3U CN205070658U (en) | 2015-09-25 | 2015-09-25 | Vertical permanent -magnet direct -drive motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520753234.3U CN205070658U (en) | 2015-09-25 | 2015-09-25 | Vertical permanent -magnet direct -drive motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205070658U true CN205070658U (en) | 2016-03-02 |
Family
ID=55397159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520753234.3U Expired - Fee Related CN205070658U (en) | 2015-09-25 | 2015-09-25 | Vertical permanent -magnet direct -drive motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205070658U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119413A (en) * | 2015-09-25 | 2015-12-02 | 力博重工科技股份有限公司 | Vertical type permanent-magnet direct-drive motor |
| CN108566018A (en) * | 2018-07-09 | 2018-09-21 | 电子科技大学中山学院 | Rotary sealed brushless direct current motor |
-
2015
- 2015-09-25 CN CN201520753234.3U patent/CN205070658U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119413A (en) * | 2015-09-25 | 2015-12-02 | 力博重工科技股份有限公司 | Vertical type permanent-magnet direct-drive motor |
| CN105119413B (en) * | 2015-09-25 | 2017-12-22 | 力博重工科技股份有限公司 | Vertical permanent magnet direct driving motor |
| CN108566018A (en) * | 2018-07-09 | 2018-09-21 | 电子科技大学中山学院 | Rotary sealed brushless direct current motor |
| CN108566018B (en) * | 2018-07-09 | 2023-11-10 | 深圳市八达威科技有限公司 | Rotary sealed brushless DC motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20180925 |