CN103264947A - Iron coreless rare-earth permanent magnetic gearless traction machine - Google Patents
Iron coreless rare-earth permanent magnetic gearless traction machine Download PDFInfo
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- CN103264947A CN103264947A CN2013102094193A CN201310209419A CN103264947A CN 103264947 A CN103264947 A CN 103264947A CN 2013102094193 A CN2013102094193 A CN 2013102094193A CN 201310209419 A CN201310209419 A CN 201310209419A CN 103264947 A CN103264947 A CN 103264947A
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Abstract
The invention discloses an iron coreless rare-earth permanent magnetic gearless traction machine which comprises a machine shell, a main shaft, a traction wheel, a bearing, an encoder and a brake. The traction wheel is directly fixed on the main shaft which is arranged in the machine shell through the bearing, and a stator and rotor structure formed by an iron coreless winding coil and magnetic steel is arranged in the machine shell. Compared with an existing elevator traction machine, the iron coreless rare-earth permanent magnetic gearless traction machine has the advantages that the gearless traction machine is directly driven by an iron coreless rare-earth permanent magnetic motor and is not provided with a gear box, the structure is simple, raw material cost is reduced, meanwhile operation cost of an elevator is also reduced, and compared with an existing permanent magnetic synchronous traction machine, the iron coreless rare-earth permanent magnetic gearless traction machine is higher in efficiency, lower in weight, and better in stability.
Description
Technical field
The present invention relates to elevator traction machine, especially a kind of elevator traction machine that does not have the direct not acceleration and deceleration case that drives of rare-earth permanent magnet motor unshakable in one's determination.
Background technology
China is the elevator market of whole world maximum, if by 1,700,000 calculating of elevator in usefulness, a year consumption of current is about 49,000,000,000 kw.h, so elevator becomes the large electricity consumer of China gradually.In China's Eleventh Five-Year Plan outline, propose the per GDP energy consumption is reduced about 20%.Adopt variable-frequency control technique and the permanent-magnet synchnorous gearless dragging machine technology that has energy-saving effect in elevator enterprises, received good energy-saving effect.Increase with 15% every year by elevator, every elevator energy-saving about 30% calculates, and then the whole nation can be reduced the power consumption of 2,200,000,000 kw.h in 1 year.Will elevator again how further energy-conservation in " 12 " planning?
Present elevator on Chinese market, major part has adopted permanent-magnet synchnorous gearless dragging machine, but the gearless machine that is directly driven by no rare-earth permanent magnet motor unshakable in one's determination does not also have.
Rare-earth permanent-magnet electric machine is a kind of novel permanent magnetic motor, because high energy product and the high-coercive force (particularly high HCJ) of rare-earth permanent magnet make rare-earth permanent-magnet electric machine have series of advantages such as volume is little, in light weight, efficient is high, characteristic is good.The magnetic property excellence of rare earth permanent-magnetic material, it just can set up very strong permanent-magnetic field through no longer needing external energy after magnetizing, be used for substituting not only efficient height of the made rare-earth permanent-magnet electric machine of the electric exciting field of conventional motors, and simple in structure, reliable, can accomplish that also volume is little, in light weight.Both can reach the incomparable High Performance of traditional electrical excitation electromotor (as extra-high-speed effect, ultrahigh-speed, extra-high-speed speed of response), can make the specific type of electric machine that can satisfy the specific run requirement again.
Existing rare earth permanent magnet synchro traction machine remains further to be improved, as complex structure, and the cost height, weight is heavier, and stability is good inadequately.
Summary of the invention
At the problems referred to above, the invention provides a kind of no rare earth permanent magnet gearless machine unshakable in one's determination, have simple in structurely, cost is low, and is in light weight, the characteristics that efficient is higher.
To achieve these goals, technical scheme of the present invention is as follows:
A kind of no rare earth permanent magnet gearless machine unshakable in one's determination, comprise casing, main shaft, traction sheave, bearing, coder, drg, it is characterized in that, described traction sheave directly is fixed on the main shaft, main shaft is arranged in the casing by bearing, is provided with in the casing by no winding coil unshakable in one's determination and magnet steel to form stator rotor structure.
In the present invention, the both sides of described casing are provided with front end cover and rear side housing, and casing is fixed by seam location and screw front end cover and rear side housing are connected together.
In a preferred embodiment of the invention, described stator rotor structure comprises the nothing that is fixed on main shaft winding coil unshakable in one's determination and is separately fixed at the magnet steel that front and back ends covered and be positioned at no winding coil unshakable in one's determination both sides that described nothing winding coil unshakable in one's determination is encapsulated in the High molecular material.
In a preferred embodiment of the invention, described stator rotor structure comprises rotating disk, is arranged on the magnet steel on the rotating disk two sides, preceding nothing winding coil unshakable in one's determination and the no winding coil unshakable in one's determination in back, described rotating disk is arranged on the main shaft, the no winding coil unshakable in one's determination of no winding coil unshakable in one's determination and back respectively is encapsulated in the High molecular material before described, the no winding coil unshakable in one's determination of preceding no winding coil unshakable in one's determination and back is separately positioned on the both sides that front and back ends covered and be positioned at rotating disk, and is corresponding with magnet steel.
In a preferred embodiment of the invention, described traction sheave is fixed on the main shaft with screw by pressing plate.
Further, described front end cover is provided with the traction sheave protective cover.Described drg is fixed on rear side housing by screw.Described coder links to each other with main shaft, and the shell of coder links to each other with the drg endoporus by the tensioner circle.
The present invention has compared tangible technical characterstic with existing elevator traction machine, specifically has: 1. adopt no rare-earth permanent magnet motor unshakable in one's determination directly to drive non-gear box; 2. simple in structure, reduced the cost of raw material, also reduced the operating cost of elevator simultaneously; 3. compare with existing permanent magnetic synchronous traction machine, its efficient is higher, weight is lighter, stability is better.The present invention can directly replace existing permanent magnetic synchronous traction machine and asynchronous geared machine, has filled up the blank of prior art, is a kind of novel unique gearless machine.
Characteristics of the present invention can be consulted the detailed description of the graphic and following better embodiment of this case and be obtained to be well understood to.
Description of drawings
Fig. 1 is the nothing rare earth permanent magnet gearless machine unshakable in one's determination scheme drawing among the embodiment 1.
Fig. 2 is the nothing rare earth permanent magnet gearless machine unshakable in one's determination scheme drawing among the embodiment 2.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, further set forth the present invention below in conjunction with specific embodiment.
Embodiment 1
Referring to Fig. 1, a kind of no rare earth permanent magnet gearless machine unshakable in one's determination comprises traction sheave 1, traction sheave protective cover 2, pressing plate 3, main shaft 4, front bearing 5, front end cover 6, preceding magnet steel 7, suspension ring 8, casing 9, no winding coil 10 unshakable in one's determination, back magnet steel 11, rear side housing 12, rear bearing 13, coder 14, drg 15, drg protective cover 16.Wherein, casing 9 is fixed by seam location and screw front end cover 6 and rear side housing 12 is connected together, and support and front end cover 6 and the rear side housing 12 of main shaft 4 by rear bearing 13 and front bearing 5 is integral, and traction sheave 1 is fixed on the main shaft 4 by pressing plate 3 usefulness screws; Described traction sheave protective cover 2 directly is fixed on the front end cover 6, and described no winding coil 10 unshakable in one's determination is encapsulated in and is fixed in the High molecular material on the main shaft 4, and preceding magnet steel 7 is fixed on the front end cover 6, and back magnet steel 11 is fixed on the rear side housing 12.Be fixed on the nothing winding coil unshakable in one's determination on the main shaft and be fixed on the casing and the magnet steel that is positioned at no winding coil unshakable in one's determination both sides has constituted stator rotor structure.
Embodiment 2
Referring to Fig. 2, a kind of no rare earth permanent magnet gearless machine unshakable in one's determination comprises traction sheave 21, traction sheave protective cover 22, pressing plate 23, main shaft 24, front bearing 25, front end cover 26, preceding no winding coil 27 unshakable in one's determination, suspension ring 28, casing 29, preceding magnet steel 30, back magnet steel 31, the no winding coil 32 unshakable in one's determination in back, rear side housing 33, rear bearing 34, coder 35, drg 36, drg protective cover 37.Wherein, casing 29 is fixed by seam location and screw front end cover 26 and rear side housing 33 is connected together, support and front end cover 26 and the rear side housing 33 of main shaft 24 by rear bearing 34 and front bearing 25 is integral, and described traction sheave 21 is fixed on the main shaft 24 by pressing plate 23 usefulness screws; Described traction sheave protective cover 22 directly is fixed on the front end cover 26, no winding coil 27 unshakable in one's determination and the no winding coil 32 unshakable in one's determination in back are encapsulated in and are separately fixed in the High molecular material on front end cover 26 and the rear side housing 33 before described, before magnet steel 30 and back magnet steel 31 be fixed on the rotating disk and link to each other with main shaft 24, rotating disk, be arranged on the magnet steel on the rotating disk two sides, preceding nothing iron core winding coil and afterwards no winding coil unshakable in one's determination constituted stator rotor structure.
The present invention has compared tangible technical characterstic with existing elevator traction machine, specifically has: 1. adopt no rare-earth permanent magnet motor unshakable in one's determination directly to drive non-gear box; 2. simple in structure, reduced the cost of raw material, also reduced the operating cost of elevator simultaneously; 3. compare with existing permanent magnetic synchronous traction machine, its efficient is higher, weight is lighter, stability is better.The present invention can directly replace existing permanent magnetic synchronous traction machine and asynchronous geared machine, has filled up the blank of prior art, is a kind of novel unique gearless machine.
More than show and described groundwork of the present invention, principal character and advantage of the present invention.The technical personnel of the industry should be understood; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and the specification sheets is principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the present invention.The protection domain that the present invention requires is defined by appending claims and equivalent thereof.
Claims (8)
1. no rare earth permanent magnet gearless machine unshakable in one's determination, comprise casing, main shaft, traction sheave, bearing, coder, drg, it is characterized in that, described traction sheave directly is fixed on the main shaft, main shaft is arranged in the casing by bearing, is provided with in the casing by no winding coil unshakable in one's determination and magnet steel to form stator rotor structure.
2. no rare earth permanent magnet gearless machine unshakable in one's determination according to claim 1 is characterized in that the both sides of described casing are provided with front end cover and rear side housing, and casing is fixed by seam location and screw front end cover and rear side housing are connected together.
3. no rare earth permanent magnet gearless machine unshakable in one's determination according to claim 2, it is characterized in that, described stator rotor structure comprises the nothing that is fixed on main shaft winding coil unshakable in one's determination and is separately fixed at the magnet steel that front and back ends covered and be positioned at no winding coil unshakable in one's determination both sides that described nothing winding coil unshakable in one's determination is encapsulated in the High molecular material.
4. no rare earth permanent magnet gearless machine unshakable in one's determination according to claim 2, it is characterized in that, described stator rotor structure comprises rotating disk, is arranged on the magnet steel on the rotating disk two sides, preceding nothing winding coil unshakable in one's determination and the no winding coil unshakable in one's determination in back, described rotating disk is arranged on the main shaft, the no winding coil unshakable in one's determination of no winding coil unshakable in one's determination and back respectively is encapsulated in the High molecular material before described, the no winding coil unshakable in one's determination of preceding no winding coil unshakable in one's determination and back is separately positioned on the both sides that front and back ends covered and be positioned at rotating disk, and is corresponding with magnet steel.
5. no rare earth permanent magnet gearless machine unshakable in one's determination according to claim 1 is characterized in that described traction sheave is fixed on the main shaft with screw by pressing plate.
6. no rare earth permanent magnet gearless machine unshakable in one's determination according to claim 2 is characterized in that described front end cover is provided with the traction sheave protective cover.
7. no rare earth permanent magnet gearless machine unshakable in one's determination according to claim 2 is characterized in that described drg is fixed on rear side housing by screw.
8. no rare earth permanent magnet gearless machine unshakable in one's determination according to claim 7 is characterized in that described coder links to each other with main shaft, and the shell of coder links to each other with the drg endoporus by the tensioner circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102094193A CN103264947A (en) | 2013-05-30 | 2013-05-30 | Iron coreless rare-earth permanent magnetic gearless traction machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102094193A CN103264947A (en) | 2013-05-30 | 2013-05-30 | Iron coreless rare-earth permanent magnetic gearless traction machine |
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| CN103264947A true CN103264947A (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013102094193A Pending CN103264947A (en) | 2013-05-30 | 2013-05-30 | Iron coreless rare-earth permanent magnetic gearless traction machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103715822A (en) * | 2014-01-16 | 2014-04-09 | 常熟市沪虞港口机械有限公司 | Multifunctional tractor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86200243U (en) * | 1986-02-01 | 1987-05-13 | 北京通县微电机厂 | Neodymium-iron-boron high permanent magnet micromotor |
| CN2404258Y (en) * | 1999-12-30 | 2000-11-01 | 陈启丙 | Non-iron core wire-wound disc permanent magnet brushless DC motor |
| CN2527028Y (en) * | 2002-01-24 | 2002-12-18 | 北京航天万源稀土电机应用技术有限公司 | Rare-earth permanent-magnet synchronous motor for elevator |
| JP2004015880A (en) * | 2002-06-05 | 2004-01-15 | Hitachi Ltd | Permanent-magnet synchronous motor and elevator apparatus using it |
| CN201191803Y (en) * | 2008-02-27 | 2009-02-04 | 陈国宝 | Multipurpose permanent magnetic energy-saving motor |
| CN201286055Y (en) * | 2008-10-20 | 2009-08-05 | 李树国 | Salient pole permanent magnet synchronous motor |
| CN102130563A (en) * | 2011-03-01 | 2011-07-20 | 刘行 | Disc type permanent magnet motor comprising winding in printed circuit board structure |
| CN203284011U (en) * | 2013-05-30 | 2013-11-13 | 上海法西驱动技术有限公司 | Coreless rare earth permanent magnetism gearless traction machine |
-
2013
- 2013-05-30 CN CN2013102094193A patent/CN103264947A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86200243U (en) * | 1986-02-01 | 1987-05-13 | 北京通县微电机厂 | Neodymium-iron-boron high permanent magnet micromotor |
| CN2404258Y (en) * | 1999-12-30 | 2000-11-01 | 陈启丙 | Non-iron core wire-wound disc permanent magnet brushless DC motor |
| CN2527028Y (en) * | 2002-01-24 | 2002-12-18 | 北京航天万源稀土电机应用技术有限公司 | Rare-earth permanent-magnet synchronous motor for elevator |
| JP2004015880A (en) * | 2002-06-05 | 2004-01-15 | Hitachi Ltd | Permanent-magnet synchronous motor and elevator apparatus using it |
| CN201191803Y (en) * | 2008-02-27 | 2009-02-04 | 陈国宝 | Multipurpose permanent magnetic energy-saving motor |
| CN201286055Y (en) * | 2008-10-20 | 2009-08-05 | 李树国 | Salient pole permanent magnet synchronous motor |
| CN102130563A (en) * | 2011-03-01 | 2011-07-20 | 刘行 | Disc type permanent magnet motor comprising winding in printed circuit board structure |
| CN203284011U (en) * | 2013-05-30 | 2013-11-13 | 上海法西驱动技术有限公司 | Coreless rare earth permanent magnetism gearless traction machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103715822A (en) * | 2014-01-16 | 2014-04-09 | 常熟市沪虞港口机械有限公司 | Multifunctional tractor |
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| PB01 | Publication | ||
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Application publication date: 20130828 |