CN201238222Y - AC-to-AC variable frequency rolled steel electric machine rotor structure - Google Patents
AC-to-AC variable frequency rolled steel electric machine rotor structure Download PDFInfo
- Publication number
- CN201238222Y CN201238222Y CNU2008201514924U CN200820151492U CN201238222Y CN 201238222 Y CN201238222 Y CN 201238222Y CN U2008201514924 U CNU2008201514924 U CN U2008201514924U CN 200820151492 U CN200820151492 U CN 200820151492U CN 201238222 Y CN201238222 Y CN 201238222Y
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- hollow shaft
- pole
- magnetic pole
- rolling motor
- rotating shaft
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Abstract
The utility model discloses a rotator structure for AC-AC conversion steel rolling motor, wherein the rough rolling motor has a capacity of 7200kW, a pole number of 16P, a voltage of 3000V, a rotation speed of 40-80r/min, an outer rotator diameter of 3030mm and a total length of 7407mm. The rotator structure comprises a rotating shaft and a plurality of magnetic poles with pole coil winded thereon; the rotating shaft has a sectionally forged three-part structure, i.e. the middle part is a hollow shaft and the thick wall of which form the yoke of the rotator, and the rest two parts connected with the two ends of the hollow shaft are solid shafts with diameter smaller than the hollow shaft; each magnetic pole is connected with the outer peripheral face of the hollow shaft through a plurality of pole-assembling screws evenly distributed at the lower part of the magnetic pole. The rotator structure for AC-AC conversion steel rolling motor has a rotating shaft with both high mechanical strength and structure rigidity, low weight of only 90 tons; the manufacture cost for the rotating shaft is low; and the structure of the rotator can bear abrupt load and transfer larger torque.
Description
Technical field
The utility model relates to a kind of AC/AC (alternating current) variable-frequency steel-rolling motor rotor structure.
Background technology
Capacity high-power, slow-speed of revolution frequency control roughing motor is the roughing motor of 7200kW, number of poles is 16P, voltage is 3000V, rotating speed is 40～80r/min, rotor diameter is 3030mm, and length overall is 7407mm, and this rotor is as adopting traditional stacked yoke or solid forging yoke, the weight of axle (yoke) will be above hundred tons, forge not only that difficulty is big, cost is high and the rigidity and the intensity of spool (yoke) also can't ensure.
Summary of the invention
The purpose of this utility model is in order to overcome the deficiencies in the prior art, to provide a kind of in light weight, the AC/AC (alternating current) variable-frequency steel-rolling motor rotor structure that rotating shaft (yoke) cost is low, and it can bear the load of sudden change, transfer larger torque.
A kind of technical scheme that realizes above-mentioned purpose is: a kind of AC/AC (alternating current) variable-frequency steel-rolling motor rotor structure, comprise rotating shaft and several to magnetic pole, each magnetic pole comprises pole core with pole body and pole shoe, be sleeved on the pole body and be respectively equipped with pole coil and some dress utmost point screw rods that axially is distributed on the pole core bottom surface of magnetic pole liner on the upper and lower end face, wherein
Described rotating shaft is the three stage structure of setting down, and promptly interlude is a hollow shaft, and its wall thickness forms the yoke of rotor, and all the other are connected two sections solid shaftings that are diameter less than the hollow shaft diameter at hollow shaft two ends;
Described each magnetic pole is connected on the outer peripheral face of hollow shaft by some dress utmost point screw rods that axially are distributed on the magnetic pole bottom.
Above-mentioned AC/AC (alternating current) variable-frequency steel-rolling motor rotor structure, wherein, described dress utmost point screw rod is connected the lower surface of magnetic pole, and it passes the installing hole on the hollow shaft wall and by the dress utmost point nut magnetic pole is connected with hollow shaft.
Above-mentioned AC/AC (alternating current) variable-frequency steel-rolling motor rotor structure, wherein, described hollow shaft adopts the round as a ball and welding of the thick Q235-A steel plate of 180mm.
Above-mentioned AC/AC (alternating current) variable-frequency steel-rolling motor rotor structure wherein, also is provided with the cushion block of bottom surface and hollow shaft surface circular arc coupling between the magnetic pole liner of described pole coil and the hollow shaft surface.
The structure technology scheme of AC/AC (alternating current) variable-frequency steel-rolling motor rotor of the present utility model, adopt the composite type rotating shaft (yoke) of syllogic, be that jack shaft (yoke part) is open-core type and thick round as a ball, the welding of Q235-A steel plate of employing 180mm, all the other two sections is solid shafting, not only mechanical strength height and structural rigidity are good to make whole rotating shaft, and in light weight, have only 90 tons of weights, the low cost of manufacture of rotating shaft (yoke).Adopt the rotor of this structure can bear the load of sudden change, transfer larger torque.
Description of drawings
Fig. 1 is an AC/AC (alternating current) variable-frequency steel-rolling motor rotor structural representation of the present utility model;
Fig. 2 is the sectional view of interlude hollow shaft of the rotating shaft of AC/AC (alternating current) variable-frequency steel-rolling motor rotor of the present utility model.
Embodiment
In order to understand the technical solution of the utility model better, below by embodiment particularly and be described in detail in conjunction with the accompanying drawings:
See also Fig. 1 and Fig. 2, AC/AC (alternating current) variable-frequency steel-rolling motor rotor structure of the present utility model comprises rotating shaft 1, several to magnetic pole 2, wherein,
Rotating shaft 1 is the three stage structure of setting down, be that interlude is a hollow shaft 10, hollow shaft 10 adopts the round as a ball and welding of the thick Q235-A steel plate of 180mm, and its wall thickness forms the yoke of rotor, and all the other are connected two sections solid shaftings 11,12 that are diameter less than the hollow shaft diameter at hollow shaft 10 two ends;
Be with pole coil 20 on each magnetic pole 2, be respectively equipped with magnetic pole liner 200 on the upper and lower end face of this pole coil 20; Each magnetic pole 2 is connected on the outer peripheral face of hollow shaft 10 by some dress utmost point screw rods 3 that axially are distributed on the magnetic pole bottom;
Dress utmost point screw rod 3 is connected the lower surface of magnetic pole 2, and it passes the installing hole on hollow shaft 10 walls and by dress utmost point nut 30 magnetic pole 2 is connected on the outer peripheral face of hollow shaft 10; And fitted fully in the lower surface of magnetic pole 2 with the outer peripheral face of hollow shaft 10;
Also be provided with cushion block 4 between the magnetic pole liner 200 of pole coil 20 and hollow shaft 10 surfaces, the bottom surface of this cushion block 4 and hollow shaft 10 surperficial circular arc couplings, to guarantee that pole core bottom surface circular arc contacts fully with hollow shaft 10 surfaces, to play simultaneously to support pole coil 20 and 200 effects of magnetic pole liner.
AC/AC (alternating current) variable-frequency steel-rolling motor rotor structure of the present utility model makes whole rotating shaft 1, and not only mechanical strength height and structural rigidity are good, and in light weight, have only 90 tons of weights, the low cost of manufacture of rotating shaft 1 (yoke), adopt the rotor of this structure can bear the load of sudden change, transfer larger torque.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.
Claims (4)
1. AC/AC (alternating current) variable-frequency steel-rolling motor rotor structure, comprise rotating shaft and several to magnetic pole, each magnetic pole comprises pole core with pole body and pole shoe, be sleeved on the pole body and be respectively equipped with pole coil and some dress utmost point screw rods that axially is distributed on the pole core bottom surface of magnetic pole liner on the upper and lower end face, it is characterized in that
Described rotating shaft is the three stage structure of setting down, and promptly interlude is a hollow shaft, and its wall thickness forms the yoke of rotor, and all the other are connected two sections solid shaftings that are diameter less than the hollow shaft diameter at hollow shaft two ends;
Described each magnetic pole is connected on the outer peripheral face of hollow shaft by some dress utmost point screw rods that axially are distributed on the magnetic pole bottom.
2. AC/AC (alternating current) variable-frequency steel-rolling motor rotor structure according to claim 1 is characterized in that, described dress utmost point screw rod is connected the lower surface of magnetic pole, and it passes the installing hole on the hollow shaft wall and by the dress utmost point nut magnetic pole is connected with hollow shaft.
3. AC/AC (alternating current) variable-frequency steel-rolling motor rotor structure according to claim 1 is characterized in that, described hollow shaft adopts the round as a ball and welding of the thick Q235-A steel plate of 180mm.
4. AC/AC (alternating current) variable-frequency steel-rolling motor rotor structure according to claim 1 is characterized in that, also is provided with the cushion block of bottom surface and hollow shaft surface circular arc coupling between the magnetic pole liner of described pole coil and the hollow shaft surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201514924U CN201238222Y (en) | 2008-07-31 | 2008-07-31 | AC-to-AC variable frequency rolled steel electric machine rotor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201514924U CN201238222Y (en) | 2008-07-31 | 2008-07-31 | AC-to-AC variable frequency rolled steel electric machine rotor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201238222Y true CN201238222Y (en) | 2009-05-13 |
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ID=40650955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201514924U Expired - Fee Related CN201238222Y (en) | 2008-07-31 | 2008-07-31 | AC-to-AC variable frequency rolled steel electric machine rotor structure |
Country Status (1)
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| CN (1) | CN201238222Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102195396A (en) * | 2010-03-19 | 2011-09-21 | 上海电气集团上海电机厂有限公司 | Large-scale motor combined type rotation shaft and assembling method thereof |
| CN102332771A (en) * | 2011-07-13 | 2012-01-25 | 许晓华 | Improved structure for a coreless motor |
| CN103527614A (en) * | 2013-10-25 | 2014-01-22 | 中电电机股份有限公司 | Connecting structure of three-section shaft used for large synchronous motor |
| CN104595345A (en) * | 2014-12-16 | 2015-05-06 | 中国船舶重工集团公司第七一二研究所 | Novel marine air-cooled propulsion motor |
| CN107516955A (en) * | 2017-09-28 | 2017-12-26 | 浙江聚利电动工具有限公司 | Split type rotor axis of electric |
-
2008
- 2008-07-31 CN CNU2008201514924U patent/CN201238222Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102195396A (en) * | 2010-03-19 | 2011-09-21 | 上海电气集团上海电机厂有限公司 | Large-scale motor combined type rotation shaft and assembling method thereof |
| CN102195396B (en) * | 2010-03-19 | 2013-04-03 | 上海电气集团上海电机厂有限公司 | Large-scale motor combined type rotation shaft and assembling method thereof |
| CN102332771A (en) * | 2011-07-13 | 2012-01-25 | 许晓华 | Improved structure for a coreless motor |
| CN103527614A (en) * | 2013-10-25 | 2014-01-22 | 中电电机股份有限公司 | Connecting structure of three-section shaft used for large synchronous motor |
| CN104595345A (en) * | 2014-12-16 | 2015-05-06 | 中国船舶重工集团公司第七一二研究所 | Novel marine air-cooled propulsion motor |
| CN104595345B (en) * | 2014-12-16 | 2017-02-15 | 中国船舶重工集团公司第七一二研究所 | Novel marine air-cooled propulsion motor |
| CN107516955A (en) * | 2017-09-28 | 2017-12-26 | 浙江聚利电动工具有限公司 | Split type rotor axis of electric |
| CN107516955B (en) * | 2017-09-28 | 2023-09-01 | 浙江聚利电动工具有限公司 | Split type motor rotor shaft |
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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 |
Granted publication date: 20090513 Termination date: 20150731 |
|
| EXPY | Termination of patent right or utility model |