CN201854099U - Synchronous gearless tractor and stator core thereof - Google Patents
Synchronous gearless tractor and stator core thereof Download PDFInfo
- Publication number
- CN201854099U CN201854099U CN2010202476344U CN201020247634U CN201854099U CN 201854099 U CN201854099 U CN 201854099U CN 2010202476344 U CN2010202476344 U CN 2010202476344U CN 201020247634 U CN201020247634 U CN 201020247634U CN 201854099 U CN201854099 U CN 201854099U
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- stator core
- iron core
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- silicon steel
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Abstract
The utility model relates to a synchronous gearless tractor and a stator core of the synchronous gearless tractor, belonging to equipment for a traction vertical elevator. The stator core of the synchronous gearless tractor is formed by the means that a plurality of ring-shaped iron core punching pieces are overlapped with each other and are integrally riveted with each other, wherein each ring-shaped iron core punching piece is a ring which is formed by bending a strip-shaped silicon steel piece and sealing a joint, each strip-shaped silicon steel piece is alternately provided with a plurality of stator teeth and a plurality of stator grooves, and the lower part of each strip-shaped silicon steel piece is provided with a plurality of riveting holes. The synchronous gearless tractor comprises a plurality of stators, a plurality of rotors, a plurality of gearless tractor parts and the stator core. The stator core has the characteristics that the manufacture is simple, the structure is simple and novel, and the material is saved. The synchronous gearless tractor has the characteristics that the structure is reasonable, the use efficiency is high, the progressive operation is stable, and the like.
Description
Technical field
The utility model relates to a kind of synchnorous gearless dragging machine and stator core thereof, belongs to traction vertical lift equipment.
Background technology
Along with the development of permanent magnetic material and power electronic technology, permanent-magnet synchnorous gearless dragging machine is increasing at the elevator industry proportion, and permanent-magnet synchnorous gearless dragging machine finally is substituted with the asynchronous traction machine of gear has become inevitable development trend.Permanent-magnet synchnorous gearless dragging machine is just towards the design of low speed, high-power characteristic, and reduced mechanical structure such as band gear box and raised the efficiency development.But the loss of stator core (being iron loss) is directly proportional with the thickness of silicon steel sheet, be to save cost, and the electromechanics trade iron core all adopts monolithic silicon steel sheet to be overrided to form, and insulating properties makes between sheet and sheet and forms state in parallel between sheet and the sheet, to reduce the eddy current iron loss.For raising the efficiency, at present the low-speed and large-torque magneto major part used of elevator as outer-rotor structure and internal diameter at the stator core that laminates with the annulus monolithic of external diameter about 500mm about 300mm, the manufacture method of reality product is then the overlapping placement of a plurality of annulus monolithics fixedly to be become stator core with the direct punch forming annulus of silicon steel sheet monolithic, and this traditional manufacture method obviously causes great waste of material.
Chinese patent by retrieval, just like CN201286053, after its disclosed stator core adopts the punch forming of single punching stator tooth, laminate into the single tooth of stator core, emboss pit with stator tooth itself is connected into the circular ring type stator core again, the method can reduce the use amount of material, though stock utilization increases, but its manufacturing process complexity, the magnetic circuit of permanent-magnet synchnorous gearless dragging machine is subjected to technogenic influence big during operation, the also inhomogeneous or distortion of magnetic circuit causes the permanent-magnet synchnorous gearless dragging machine performance to reduce.One Chinese patent CN1842953 is arranged in addition, the spiral type iron core of the multi-layer annular structure of the steel plate iron core that its disclosed stator core is overrided to form when adopting from the lower floor to the upper strata with helix rotation steel plate iron core, it has improved stock utilization equally, but owing to adopt double Sheet Metal Forming Technology to make its tooth opening excessive, increased slot effect, the Use Limitation rate has reduced on the contrary, and being connected in series between similar of iron core that its spiral rotation from top to bottom forms and the sheet, use the eddy current iron loss of the permanent-magnet synchnorous gearless dragging machine of said stator iron core to increase, exist the shortcoming that serviceability efficient reduces equally.
Summary of the invention
The purpose of this utility model is intended to overcome the shortcoming that prior art exists, waste of material phenomenon when thoroughly solving the manufacturing stator core simultaneously for improving the product service efficiency, a kind of novel stator core is provided, and a kind of synchnorous gearless dragging machine that adopts novel stator core is provided, have that simple in structure, materials are saved, service efficiency is high and have characteristics such as stable step by step.
Describe the technical solution of the utility model in detail below in conjunction with the mark on the accompanying drawing.
A kind of stator core, stator core 1 is stacked by a plurality of annular iron core punchings 2 and rivet clasp is that one constitutes, wherein, single annular iron core punching 2 is by silicon steel sheet 3 bendings of a strip and the annulus of joint seal, on the silicon steel sheet 3 of described strip, alternately be provided with a plurality of stator tooths 4 and stator slot 5, a plurality of riveted holes 6 be set in the bottom of the silicon steel sheet 3 of described strip.
Described a plurality of annular iron core punching 2 is passed rivet hole 6 through rivet 7 and is interconnected fixing.
Described a plurality of stator tooth 4 is identical for be parallel to each other layout and shape specification with stator slot 5, and described stator tooth 4 is generally 72, and described stator slot 5 is for being generally 72.
A kind of synchnorous gearless dragging machine comprises, stator 16 and rotor, and gearless machine parts is characterized in that: have each stator core 1 of claim as described above.
Above-mentioned synchnorous gearless dragging machine, its described stator 16 is made of stator core 1 and winding 17, described rotor is made of rotor yoke 20, rotating shaft 26, traction sheave 23, magnet steel 21, gear ring 24, described rotor yoke 20 is press-fitted with rotating shaft 26 and is connected, described magnet steel 21 is fixed on the inboard of described rotor yoke 20 through glue, and described traction sheave 23 and described gear ring 24 are fixed on the rotor yoke 20 by bolt 25.
Described stator 16 is inserted on the periphery 13 of support 11 after heating, establishes a circular hole 12 on the support 11, and groove 8 in circular hole 12 and the annular iron core punching 2 or shrinkage pool form a full circle, is pressed into spring pivot 13 in the circle of two circular arcs formation.
Described stator 16 is fixed on the support 11, and is radially fixing by spring pivot 19, axially fixing by pressing plate 15 and screw 14.
The utility model has been realized purpose of the present invention, and a kind of stator core that is provided has the advantages that to make novelty easy, simple in structure, materials saving; A kind of synchnorous gearless dragging machine that adopts stator core of the present invention that is provided, have rational in infrastructure, service efficiency is high and have characteristics such as stable step by step.
Description of drawings
Fig. 1 is the structural representation of the silicon steel sheet of part 3 strips in the utility model;
Fig. 2 is the structural representation of part 2 annular iron core punchings in the utility model;
Fig. 3 is the structural representation of part 11 supports in the utility model;
Fig. 4 is the profile of part 11 supports in the utility model;
Fig. 5 is the utility model synchnorous gearless dragging machine profile.
Indicate among the figure: 1, stator core, 2, the annular iron core punching, 3, the silicon steel sheet of strip, 4, stator tooth, 5, stator slot, 6, riveted holes, 7, rivet, 8, groove or shrinkage pool, 11, support, 12, circular hole, 13, spring pivot, 14, screw, 15, pressing plate, 16, stator, 17, winding, 19, spring pivot, 20, rotor yoke, 21, magnet steel, 23, traction sheave, 24, gear ring, 26, rotating shaft.
Embodiment
Further describe embodiment of the present utility model below in conjunction with accompanying drawing 1-5.
Fig. 1 is the structural representation of the silicon steel sheet of part 3 strips in the utility model; By Fig. 1 the simple structure of the silicon steel sheet 3 of strip of the present utility model is described, has identical being parallel to each other of shape specification to arrange a plurality of stator tooths 4 and stator slot 5 on it.Set stator tooth 4 and stator slot 5 are respectively 32 usually, but also can be according to actual conditions, for example: the size of required stator core or the power of traction machine etc. changes.Yoke portion at stator core 1 evenly is provided with 72 rivet holes 6, and rivet passes punching with the stator core riveted and fixed.
Fig. 2 is the structural representation of part 2 annular iron core punchings, it also is structural representation by the annular iron core punching 2 after silicon steel sheet 3 brake formings of Fig. 1 strip, can clearly be seen that the shape of annular iron core punching by Fig. 2, the seam after the brake forming need connect closely.Stator core 1 is to be stacked and rivet clasp is that one constitutes by a plurality of annular iron core punchings 2, and final, the thickness of stator core connects the stator steel bar by rivet hole on the stator steel bar with rivet and adjusted.
Fig. 3 and Fig. 4 represent the structure of part 11 supports in the utility model respectively, illustrate: utilize the stator 16 of heating to be inserted in support, and fix with spring pivot 13 diametrically, axially upward use pressing plate 15 to fix, thereby improved the utilance of silicon steel sheet greatly.Stator punching utilizes the shaping frock to be press-fitted into the stator core of predetermined thickness.Utilize the stress characteristics of the stator punching of rotational forming, 120 degrees centigrade of heating stator cores make iron core internal diameter size expansion 0.50mm, are inserted on the fitting surface of support 11, use spring pivot 19 that iron core is fixed on the support 11; Axially adopting pressing plate 15 and screw 14 to carry out axial restraint.
Fig. 5 represents synchnorous gearless dragging machine structure of the present utility model, it adopts the support 11 that the said stator iron core is housed to be mounted to the structure of synchnorous gearless dragging machine then, mounting process has been avoided causing to such an extent that the gap between punching increases to stator core because of axial compressive force simply, thereby reduces electromagnetic noise and motor oscillating.
The utility model only is described in detail with regard to a most preferred embodiment of the present utility model; but can not be interpreted as the restriction of other modes that the utility model is implemented; everyly further improve and similar or identical scheme on the utility model basis, all being considered as is the scope that the utility model is asked for protection.
Claims (7)
1. stator core, it is characterized in that: stator core (1) is stacked by a plurality of annular iron core punchings (2) and rivet clasp is that one constitutes, wherein, single annular iron core punching (2) is by silicon steel sheet (3) bending of a strip and the annulus of joint seal, on the silicon steel sheet (3) of described strip, alternately be provided with a plurality of stator tooths (4) and stator slot (5), a plurality of riveted holes (6) be set in the bottom of the silicon steel sheet (3) of described strip.
2. stator core according to claim 1 is characterized in that: described a plurality of annular iron core punchings (2) are passed rivet hole (6) through rivet (7) and are interconnected fixing.
3. stator core according to claim 1 is characterized in that: described a plurality of stator tooths (4) are identical for be parallel to each other layout and shape specification with stator slot (5), and described stator tooth (4) is generally 72, and described stator slot (5) is generally 72.
4. a synchnorous gearless dragging machine comprises, stator (16) and rotor, and gearless machine parts is characterized in that: stator (16) has each stator core (1) of claim as described above.
5. synchnorous gearless dragging machine according to claim 4, it is characterized in that: described stator (16) is made of stator core (1) and winding (17), described rotor is made of rotor yoke (20), rotating shaft (26), traction sheave (23), magnet steel (21), gear ring (24), described rotor yoke (20) is press-fitted with rotating shaft (26) and is connected, described magnet steel (21) is fixed on the inboard of described rotor yoke (20) through glue, and described traction sheave (23) and described gear ring (24) are fixed on the rotor yoke (20) by bolt (25).
6. synchnorous gearless dragging machine according to claim 5, it is characterized in that: described stator (16) is after heating, be inserted on the periphery (13) of support (11), establish a circular hole (12) on the support (11), groove in circular hole (12) and the annular iron core punching (2) or shrinkage pool (8) form a full circle, are pressed into spring pivot (13) in the circle of two circular arcs formation.
7. synchnorous gearless dragging machine according to claim 5 is characterized in that: described stator (16) is fixed on the support (11), and is radially fixing by spring pivot (19), axially fixing by pressing plate (15) and screw (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202476344U CN201854099U (en) | 2010-07-02 | 2010-07-02 | Synchronous gearless tractor and stator core thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202476344U CN201854099U (en) | 2010-07-02 | 2010-07-02 | Synchronous gearless tractor and stator core thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201854099U true CN201854099U (en) | 2011-06-01 |
Family
ID=44096479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202476344U Expired - Lifetime CN201854099U (en) | 2010-07-02 | 2010-07-02 | Synchronous gearless tractor and stator core thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201854099U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103248147A (en) * | 2013-04-27 | 2013-08-14 | 武汉登奇机电技术有限公司 | Splicing-type round stator punching sheet and manufacturing method thereof |
| CN104135132A (en) * | 2014-08-07 | 2014-11-05 | 广东合普动力科技有限公司 | Stator fixing device of permanent magnet synchronous traction machine with outer rotor structure |
| CN105846561A (en) * | 2016-03-31 | 2016-08-10 | 中车永济电机有限公司 | Middle-large sized motor stator and rotor anti-gear swelling iron core |
| US10214387B2 (en) | 2016-05-13 | 2019-02-26 | Otis Elevator Company | Magnetic elevator drive member and method of manufacture |
| US10587180B2 (en) | 2016-05-13 | 2020-03-10 | Otis Elevator Company | Magnetic elevator drive member and method of manufacture |
-
2010
- 2010-07-02 CN CN2010202476344U patent/CN201854099U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103248147A (en) * | 2013-04-27 | 2013-08-14 | 武汉登奇机电技术有限公司 | Splicing-type round stator punching sheet and manufacturing method thereof |
| CN104135132A (en) * | 2014-08-07 | 2014-11-05 | 广东合普动力科技有限公司 | Stator fixing device of permanent magnet synchronous traction machine with outer rotor structure |
| CN105846561A (en) * | 2016-03-31 | 2016-08-10 | 中车永济电机有限公司 | Middle-large sized motor stator and rotor anti-gear swelling iron core |
| US10214387B2 (en) | 2016-05-13 | 2019-02-26 | Otis Elevator Company | Magnetic elevator drive member and method of manufacture |
| US10587180B2 (en) | 2016-05-13 | 2020-03-10 | Otis Elevator Company | Magnetic elevator drive member and method of manufacture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110601 |
|
| CX01 | Expiry of patent term |