CN204858781U - Rotor punching, rotor core , cage rotor and squirrel -cage motor - Google Patents
Rotor punching, rotor core , cage rotor and squirrel -cage motor Download PDFInfo
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- CN204858781U CN204858781U CN201520580934.7U CN201520580934U CN204858781U CN 204858781 U CN204858781 U CN 204858781U CN 201520580934 U CN201520580934 U CN 201520580934U CN 204858781 U CN204858781 U CN 204858781U
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Abstract
The utility model is suitable for a motor field, the rotor punching is provided, rotor core, cage rotor and squirrel -cage motor, wherein, the rotor punching includes towards the piece body, it dashes the film trap along what the circumference interval set up to be equipped with a plurality of towards the piece body on, each all has open notch and confined tank bottom towards the film trap, each groove central line that extends towards the center of mind -set tank bottom from the notch of film trap with slope a contained angle A is all had between the radial straight line at this notch center towards passing of piece body, and the satisfied A=n (360z) that concerns of the contained angle A that inclines, wherein, N is for being more than or equal to 0.5 and be less than or equal to 1.5 numerical value, the quantity of dashing film trap of z for being equipped with towards the piece body on. The utility model discloses to set up the all down folds into the circumference slope towards the film trap, reduce the harmonic content who decides rotor air -gap flux density, improve the starting performance of motor, improve the efficiency of motor, reduce the loss of rotor to rotor core's production quality reliability has been improved.
Description
Technical field
The utility model belongs to machine field, particularly relates to rotor punching, rotor core that this rotor punching right is made, has the cage rotor of this rotor core and have the squirrel cage motor of this cage rotor.
Background technology
As shown in Fig. 5 ~ 7, in conventional art, cage rotor 100 ＇ generally adopts axial chute structure (rotor 101 ＇ is obliquely installed along the axis of rotor core 10 ＇), axial chute structure effectively can weaken the harmonic wave electromotive force that harmony wave produces, thus weaken the additional torque caused by these harmonic fields, improve starting performance, and reduce electromagnetic noise; But, adopt axial chute structure to have following impact to motor:
(1) when adopting rotor axial flume structure, casting aluminum rotor sliver 201 ＇ is oblique mistake angle vertically, compared with when causing motor internal magnetic field and straight trough, significant change occurs and affects loss;
(2), when adopting rotor axial flume structure, motor internal resultant magnetic field skewness vertically can be made, and then cause the iron loss of motor to increase, and rotor axial flume structure can aggravate along with the increase of load the influence degree of iron loss; Particularly, along with the increase of load, rotor core 10 ＇ degree of saturation vertically also can be aggravated, thus the iron loss of rotor core 10 ＇ is aggravated;
(3) owing to being axial chute structure, therefore, rotor 101 ＇ is inclined vertically, like this, certain impact can be produced to the casting of casting aluminum rotor sliver 201 ＇, casting pressure is increased, thus easily produces the quality problems such as pore, disconnected bar, had a strong impact on the castability of casting aluminum rotor sliver 201 ＇;
(4) in order to form axial chute structure, when rotor punching 1 ＇ makes, carry out laminating after needing rotor punching 1 ＇ completed by each punching of the driving stepper motor of mould inside to rotate to an angle and form rotor core 10 ＇, namely need to arrange torsion chute operation specially in the manufacture process of rotor core 10 ＇, thus had a strong impact on the production efficiency of rotor core 10 ＇.
In order to solve the problem of above-mentioned conventional art, prior art proposes and rotor is designed to closed slot structure and rotor is set to the design of uneven distribution, like this, although effectively prevent rotor chute structure, it also brings new technical problem, be embodied in: on the one hand, rotor adopts closed slot structure, can make to laminate rotor punching wrong sheet when forming rotor core and be not easy to be found, thus leave hidden danger of quality easily to the manufacture of rotor core; On the other hand, rotor adopts uneven distribution mode, easily causes the close phenomenon pockety of magnetic, thus have impact on the performance of motor.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provide rotor punching, rotor core, cage rotor and squirrel cage motor, which solve the problem that flume structure brings, and solve the technical problem that rotor adopts closed slot structure, uneven distribution scheme is brought.
For achieving the above object, the technical solution adopted in the utility model is: rotor punching, comprise punching body, described punching body is provided with several circumferentially spaced punching grooves, the bottom land that each described punching groove all has unlimited notch and closes, the groove center line extended from described notch center to described bottom land center of each described punching groove and described punching body through this notch center radial alignment all there is a slanted angle A, and described slanted angle A meets relation A=n* (360/z), wherein, n be more than or equal to 0.5 and be less than or equal to 1.5 numerical value, z is the quantity of the described punching groove that described punching body is provided with.
Preferably, each described punching groove is sequentially numbered the 1st punching groove along clockwise direction, 2nd punching groove, i-th punching groove, z punching groove, then the groove center line of the 1st punching groove relatively through the 1st punching groove notch radial alignment formed by angle be+A, the groove center line of the 2nd punching groove relatively through the notch of the 1st punching groove radial alignment formed by angle be-A, the groove center line of i-th punching groove relatively through the notch of the 1st punching groove radial alignment formed by angle be-(2i-3) * A, wherein, i is the natural number being more than or equal to 3 and being less than or equal to z.
Preferably, the quantity of described punching groove is 34.
Preferably, the left notch edges be oppositely arranged about described notch has and right notch edges, the height of described left notch edges is 0.7263 ± 0.5mm, and the height of described right notch edges is 0.6705 ± 0.5mm.
Preferably, each described punching groove groove all also had between described notch and described bottom land is takeed on and takes on the cell body between described bottom land at described groove, described groove shoulder becomes large form from side, described notch place gradually with width and rolls tiltedly extension towards described cell body place, and the width extended along described punching body circumference near one end of described cell body of described groove shoulder is 3.414 ± 1mm.
Preferably, the left groove shoulder edge be oppositely arranged about described groove shoulder has and right groove shoulder edge, the height of described left groove shoulder edge is 1.6027 ± 1mm, and the height of described right groove shoulder edge is 1.2864 ± 1mm.
Preferably, described punching body is also provided with several button wedges, and all rectangular shape of the projection of each described button wedge on described punching body.
The rotor punching that the utility model provides, by punching groove being set to all down folds of peripheral, oblique, and the slanted angle A making the groove center line of each punching groove and the radial alignment through its notch center be formed meets relation A=n* (360/z), thus effectively reduce the harmonic content of rotor air gap flux density, weaken the additional torque caused by these harmonic fields, improve the starting performance of motor, reduce electromagnetic noise, and improve the efficiency of motor, reduce the loss of rotor.In addition, the notch due to punching groove opens wide to arrange, therefore, avoid the phenomenon laminating the wrong sheet of rotor punching when forming rotor core and be not easy to be found, thus improve the quality of production reliability of rotor core; Meanwhile, because each punching groove is circumferentially equally distributed, therefore, avoid the close phenomenon pockety of magnetic and occur, improve the performance of motor.
Further, the utility model additionally provides rotor core, it is overrided to form by multiple above-mentioned rotor punching, the each described punching groove of each described rotor punching is connected to form the quantity rotor identical with the described punching groove quantity of arbitrary described rotor punching, and each described rotor all along one with described rotor core among the straight path of centre axis parallel to extend to the axial other end of described rotor core from axial one end of described rotor core.
The rotor core that the utility model provides, its rotor is axial straight groove structure, like this, the mobility of aluminium liquid can be made on the one hand in the casting process of mouse cage winding better, thus decrease the quality problems such as the pore occurred in casting process, disconnected bar dramatically; On the other hand because it cancels torsion chute operation, therefore reduce the manufacture difficulty of rotor core, improve the production efficiency of rotor core; In addition, because it adopts above-mentioned rotor punching to be overrided to form, therefore it is also beneficial to the harmonic content of reduction rotor air gap flux density and the loss of rotor core, is also beneficial to simultaneously and improves the quality of production reliability of rotor core and the efficiency of motor.
Further, the utility model additionally provides cage rotor, and it comprises above-mentioned rotor core and the mouse cage winding of casting on described rotor core.
The cage rotor that the utility model provides, owing to have employed above-mentioned rotor core, therefore, improve the close distribution of magnetic of cage rotor on the one hand, reduce the loss of cage rotor; Effectively reduce the casting difficulty of mouse cage winding on the other hand, decrease the quality problems such as the pore occurred in mouse cage winding casting process, disconnected bar dramatically, thus improve the quality of production reliability of cage rotor; Again on the one hand because it cancels torsion chute operation when manufacturing rotor core, therefore improve the production efficiency of cage rotor.
Further, the utility model additionally provides squirrel cage motor, it stator comprising above-mentioned cage rotor and coordinate with described rotor turns.
Further, the squirrel cage motor that the utility model provides, owing to have employed above-mentioned cage rotor, therefore, effectively reduce the harmonic content of air gap flux density between stator and cage rotor, improve the starting performance of squirrel cage motor, reduce electromagnetic noise, improve the efficiency of motor, and reduce the loss of cage rotor, improve quality of production reliability and the production efficiency of motor.
Accompanying drawing explanation
Fig. 1 is the structural representation of the rotor punching that the utility model embodiment provides;
Fig. 2 is the structural representation of the punching groove that the utility model embodiment provides;
Fig. 3 is the structural representation of the rotor core that the utility model embodiment provides;
Fig. 4 is the structural representation of the cage rotor that the utility model embodiment provides;
Fig. 5 is the structural representation of the rotor punching that conventional art provides;
Fig. 6 is the structural representation of the rotor core that conventional art provides;
Fig. 7 is the structural representation of the cage rotor that conventional art provides.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
It should be noted that, when an element is described on " being fixed on " or " being arranged at " another element, it can directly on another element or may there is centering elements simultaneously.Be described to be " connection " another element when an element, it can be directly connect another element or may there is centering elements simultaneously.
Also it should be noted that, the orientation term such as left and right, upper and lower, the top in following examples, end, is only relative concept or be reference with the normal operating condition of product each other, and should not be regarded as have restrictive.
As depicted in figs. 1 and 2, the rotor punching 1 that the utility model embodiment provides, comprise punching body 11, punching body 11 is provided with several circumferentially spaced punching grooves 12, the bottom land 122 that each punching groove 12 all has unlimited notch 121 and closes, the groove center line 13 extended from notch 121 center to bottom land 122 center of each punching groove 12 and punching body 11 through this notch 121 center radial alignment 14 all there is a slanted angle A, and slanted angle A meets relation A=n* (360/z), wherein, n be more than or equal to 0.5 and be less than or equal to 1.5 numerical value, z is the quantity of the punching groove 12 that punching body 11 is provided with.The rotor punching 1 that the present embodiment provides, by punching groove 12 being set to all down folds of peripheral, oblique, and the slanted angle A making the groove center line 13 of each punching groove 12 and the radial alignment 14 through its notch 121 center be formed meets relation A=n* (360/z), thus effectively reduce the harmonic content of rotor air gap flux density, weaken the additional torque caused by these harmonic fields, improve the starting performance of motor, reduce electromagnetic noise, and improve the efficiency of motor, reduce the loss of rotor.In addition, the notch 121 due to punching groove 12 opens wide to arrange, therefore, avoid rotor punching 1 wrong sheet when laminating formation rotor core 10 and be not easy the phenomenon be found, thus improve the quality of production reliability of rotor core 10; Meanwhile, because each punching groove 12 is circumferentially equally distributed, therefore, avoid the close phenomenon pockety of magnetic and occur, improve the performance of motor.
Preferably, the quantity of punching groove 12 is 34, i.e. z=34, and 34 punching grooves 12 are circumferentially evenly spacedly distributed, like this, its improvement motor magnetic obtained close, reduce cage rotor 100 loss, improve electric efficiency, the effect of lifting motor torque is better.Of course, in embody rule, the quantity of punching groove 12 also can be set to other numerical value.
Particularly, the groove center line 13 of each punching groove 12 relatively respectively all can be counterclockwise through the incline direction of the radial alignment 14 at corresponding notch 121 center, also all can be clockwise direction.
Preferably, in the present embodiment, the incline direction of the relative radial alignment 14 through its corresponding notch 121 center of groove center line 13 of each punching groove 12 is all that counterclockwise namely the groove center line 13 of each punching groove 12 is equivalent to be all obtain by after the radial alignment 14 at its corresponding notch 121 center in the counterclockwise direction anglec of rotation A.Each punching groove 12 is sequentially numbered along clockwise direction the 1st punching groove 12,2nd punching groove 12, i-th punching groove 12, z punching groove 12, then the groove center line 13 of the 1st punching groove 12 relatively through the notch 121 of the 1st punching groove 12 radial alignment 14 formed by angle A1 equal+A (the groove center line 13 being equivalent to the 1st punching groove 12 is obtained after anglec of rotation A in the counterclockwise direction by the radial alignment 14 of the notch 121 through the 1st punching groove 12), the groove center line 13 of the 2nd punching groove 12 relatively through the notch 121 of the 1st punching groove 12 radial alignment 14 formed by angle A2 equal-A (the groove center line 13 being equivalent to the 2nd punching groove 12 obtains after being rotated in a clockwise direction angle A by the radial alignment 14 of the notch 121 through the 1st punching groove 12), the groove center line 13 of i-th punching groove 12 relatively through the notch 121 of the 1st punching groove 12 radial alignment 14 formed by angle Ai equal-(2i-3) * A (the groove center line 13 being equivalent to i-th punching groove 12 obtains after being rotated in a clockwise direction angle (2i-3) * A by the radial alignment 14 of the notch 121 through the 1st punching groove 12), wherein, i is the natural number being more than or equal to 3 and being less than or equal to z.Herein, limited respectively by angle formed by the radial alignment 14 to the relative notch 121 through the 1st punching groove 12 of the groove center line 13 of each punching groove 12, be beneficial on the one hand and ensure that the slanted angle A that the groove center line 13 of each punching groove 12 and the radial alignment 14 through corresponding notch 121 center are formed can meet relation A=n* (360/z), be beneficial to the automated production manufacture of rotor punching 1 on the other hand.
Preferably, in the present embodiment, n value is 0.5, z value is 34, then the groove center line 13 extended from notch 121 center to bottom land 122 center of each punching groove 12 and punching body 11 through this notch 121 center radial alignment 14 the slanted angle A=0.5* (360/34)=5.2941 ° that formed, formed by the radial alignment 14 of the relative notch 121 through the 1st punching groove 12 of groove center line 13 of the 1st punching groove 12, angle equals+5.2941 °, formed by the radial alignment 14 of the relative notch 121 through the 1st punching groove 12 of groove center line 13 of the 2nd punching groove 12, angle A2 equals-5.2941 °, formed by the radial alignment 14 of the relative notch 121 through the 1st punching groove 12 of groove center line 13 of the 3rd punching groove 12, angle A3 equals-15.8824 °, formed by the radial alignment 14 of the relative notch 121 through the 1st punching groove 12 of groove center line 13 of the 4th punching groove 12, angle A4 equals-26.4706 °, formed by the radial alignment 14 of the relative notch 121 through the 1st punching groove 12 of groove center line 13 of the 5th punching groove 12, angle A5 equals-37.0588 °, formed by the radial alignment 14 of the relative notch 121 through the 1st punching groove 12 of groove center line 13 of the 6th punching groove 12, angle A6 equals-47.6471 °, formed by the radial alignment 14 of the relative notch 121 through the 1st punching groove 12 of groove center line 13 of all the other punching grooves 12, angle can adopt expression formula-(2i-3) * A to calculate successively, calculate no longer one by one at this.
Preferably, as depicted in figs. 1 and 2, the left notch edges 1211 be oppositely arranged about notch 121 has and right notch edges 1212, the height H 1 of left notch edges 1211 is 0.7263 ± 0.5mm, and the height H 2 of right notch edges 1212 is 0.6705 ± 0.5mm.The height H 1 of left notch edges 1211, is specially the standoff height of left notch edges 1211 in the radial alignment 14 of passing its notch 121 center; The height H 2 of right notch edges 1212, is specially the standoff height of right notch edges 1212 in the radial alignment 14 of passing its notch 121 center.Herein, by being optimized design to the height H 1 of left notch edges 1211 and the height H 2 of right notch edges 1212, the harmonic wave electromotive force weakening harmony wave and produce can being beneficial to, thus weakening the additional torque caused by these harmonic fields, improve starting performance, and reduce electromagnetic noise.
Particularly, the punching groove 12 in the present embodiment is round bottomed vessel, and namely the wall of bottom land 122 is arc-shaped.Of course, in embody rule, punching groove 12 also can be flat-bottom slot (wall of bottom land 122 is even curface).
Preferably, as depicted in figs. 1 and 2, each punching groove 12 groove all also had between notch 121 and bottom land 122 takes on 123 and take on the cell body 124 between 123 and bottom land 122 at groove, groove shoulder 123 becomes large form from side, notch 121 place gradually with width L and rolls tiltedly extension towards cell body 124 place, and the width L extended along punching body 11 circumference near one end of cell body 124 of groove shoulder 123 is 3.414 ± 1mm.Herein, by being optimized design to the width L of groove shoulder 123, the vibration and noise that reduce motor further can being beneficial to, and being beneficial to the efficiency improving motor further.In the present embodiment, punching groove 12 is peariform slot, of courses, and in embody rule, punching groove 12 also can be designed to the groove of dovetail groove or Else Rule shape or erose groove.
Preferably, as depicted in figs. 1 and 2, the left groove shoulder edge 1231 be oppositely arranged about groove shoulder 123 has and right groove shoulder edge 1232, the height H 3 of left groove shoulder edge 1231 is 1.6027 ± 1mm, and the height H 4 of right groove shoulder edge 1232 is 1.2864 ± 1mm.Herein, by being optimized design to the height H 3 of left groove shoulder edge 1231 and the height H 4 of right groove shoulder edge 1232, the vibration and noise that reduce motor further can being beneficial to, and being beneficial to the efficiency improving motor further.
Preferably, as shown in figures 1 and 3, punching body 11 is also provided with several button wedges 15, and all rectangular shape of each button projection of wedge 15 on punching body 11.Particularly, the center position of punching body 11 also runs through and is provided with central bore 16, and button wedge 15 is located between central bore 16 and punching groove 12 along the radial direction of punching body 11.When multiple rotor punching 1 is laminated form rotor core 10 time, connect by each button wedge 15 buckle between each adjacent rotor punching 1, thus be beneficial to improve each rotor punching 1 in conjunction with reliability.In the present embodiment, the rotor 101 be connected to form by each punching groove 12 is axially extend to form the straight groove structure on rotor core 10 along the straight path parallel with rotor core 10 central shaft, like this, when adopting rotor punching 1 to laminate formation rotor core 10, do not need to carry out torsion chute operation (torsion chute operation is specially the operation that the rotor punching 1 that completed by each punching of driving stepper motor rotates to an angle), thus make button wedge 15 can be designed to the simple square structure of structure, thus reduce the manufacture difficulty of button wedge 15, and the power that be combined with each other that improve between each adjacent rotor punching 1.
Preferably, as shown in Figure 1, the quantity of button wedge 15 is four, and four button wedges 15 are circumferentially evenly spacedly distributed on punching body 11.Of course, in embody rule, the quantity of button wedge 15 is not limited to four.
Further, as shown in figures 1 and 3, the utility model embodiment still provides rotor core 10, it is overrided to form by multiple above-mentioned rotor punching 1, each punching groove 12 of each rotor punching 1 is connected to form the quantity rotor 101 identical with punching groove 12 quantity that arbitrary rotor punching 1 is provided with, and each rotor 101 all along one with rotor core 10 among the straight path of centre axis parallel to extend to the axial other end of rotor core 10 from axial one end of rotor core 10.The rotor 101 that the present embodiment provides is axial straight groove structure, like this, the mobility of aluminium liquid can be made on the one hand better, thus decrease the quality problems such as the pore occurred in casting process, disconnected bar dramatically in the casting process of mouse cage winding 20; On the other hand because it cancels torsion chute operation, therefore reduce the manufacture difficulty of rotor core 10, improve the production efficiency of rotor core 10; In addition, because it adopts above-mentioned rotor punching 1 to be overrided to form, therefore it is also beneficial to the harmonic content of reduction rotor air gap flux density and the loss of rotor core 10, is also beneficial to simultaneously and improves the quality of production reliability of rotor core 10 and the efficiency of motor.
Further, as shown in Figure 3 and Figure 4, the utility model embodiment still provides cage rotor 100, and it comprises above-mentioned rotor core 10, the casting mouse cage winding 20 on rotor core 10 and the rotating shaft (not shown) be arranged in inside rotor core 10.Mouse cage winding 20 is specifically by aluminium casting, and it comprises some the casting aluminum rotor slivers 201 be located at respectively in each rotor 101.Rotor core 10 is specifically installed in rotating shaft by hollow endoporus is sheathed.The cage rotor 100 that the present embodiment provides, owing to have employed above-mentioned rotor core 10, therefore, improve the close distribution of magnetic of cage rotor 100 on the one hand, reduce the loss of cage rotor 100; Effectively reduce the casting difficulty of mouse cage winding 20 on the other hand, decrease the quality problems such as the pore occurred in mouse cage winding 20 casting process, disconnected bar dramatically, thus improve the quality of production reliability of cage rotor 100; Again on the one hand because it cancels torsion chute operation when manufacturing rotor core 10, therefore improve the production efficiency of cage rotor 100.
Further, the utility model embodiment still provides squirrel cage motor, it stator comprising above-mentioned cage rotor 100 and coordinate with rotor turns.The squirrel cage motor that the present embodiment provides, is specially inner rotor motor, and namely cage rotor 100 is arranged in the inner side of stator; It is owing to have employed above-mentioned cage rotor 100, therefore, effectively reduce the harmonic content of air gap flux density between stator and cage rotor 100, improve the starting performance of squirrel cage motor, reduce electromagnetic noise, improve the efficiency of motor, and reduce the loss of cage rotor 100, improve quality of production reliability and the production efficiency of motor.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace or improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. rotor punching, it is characterized in that: comprise punching body, described punching body is provided with several circumferentially spaced punching grooves, the bottom land that each described punching groove all has unlimited notch and closes, the groove center line extended from described notch center to described bottom land center of each described punching groove and described punching body through this notch center radial alignment all there is a slanted angle A, and described slanted angle A meets relation A=n* (360/z), wherein, n be more than or equal to 0.5 and be less than or equal to 1.5 numerical value, z is the quantity of the described punching groove that described punching body is provided with.
2. rotor punching as claimed in claim 1, it is characterized in that: each described punching groove is sequentially numbered the 1st punching groove along clockwise direction, 2nd punching groove, i-th punching groove, z punching groove, then the groove center line of the 1st punching groove relatively through the 1st punching groove notch radial alignment formed by angle be+A, the groove center line of the 2nd punching groove relatively through the notch of the 1st punching groove radial alignment formed by angle be-A, the groove center line of i-th punching groove relatively through the notch of the 1st punching groove radial alignment formed by angle be-(2i-3) * A, wherein, i is the natural number being more than or equal to 3 and being less than or equal to z.
3. rotor punching as claimed in claim 1 or 2, is characterized in that: the quantity of described punching groove is 34.
4. rotor punching as claimed in claim 1, it is characterized in that: the left notch edges be oppositely arranged about described notch has and right notch edges, the height of described left notch edges is 0.7263 ± 0.5mm, and the height of described right notch edges is 0.6705 ± 0.5mm.
5. the rotor punching as described in claim 1 or 2 or 4, it is characterized in that: each described punching groove groove all also had between described notch and described bottom land is takeed on and takes on the cell body between described bottom land at described groove, described groove shoulder becomes large form from side, described notch place gradually with width and rolls tiltedly extension towards described cell body place, and the width extended along described punching body circumference near one end of described cell body of described groove shoulder is 3.414 ± 1mm.
6. rotor punching as claimed in claim 5, is characterized in that: the left groove shoulder edge be oppositely arranged about described groove shoulder has and right groove shoulder edge, the height of described left groove shoulder edge is 1.6027 ± 1mm, and the height of described right groove shoulder edge is 1.2864 ± 1mm.
7. the rotor punching as described in claim 1 or 2 or 4, is characterized in that: described punching body is also provided with several button wedges, and all rectangular shape of the projection of each described button wedge on described punching body.
8. rotor core, it is characterized in that: be overrided to form by multiple rotor punching as described in any one of claim 1 ~ 7, the each described punching groove of each described rotor punching is connected to form the quantity rotor identical with the described punching groove quantity of arbitrary described rotor punching, and each described rotor all along one with described rotor core among the straight path of centre axis parallel to extend to the axial other end of described rotor core from axial one end of described rotor core.
9. cage rotor, is characterized in that: comprise rotor core as claimed in claim 8 and the mouse cage winding of casting on described rotor core.
10. squirrel cage motor, is characterized in that: the stator comprising cage rotor as claimed in claim 9 and coordinate with described rotor turns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520580934.7U CN204858781U (en) | 2015-07-31 | 2015-07-31 | Rotor punching, rotor core , cage rotor and squirrel -cage motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520580934.7U CN204858781U (en) | 2015-07-31 | 2015-07-31 | Rotor punching, rotor core , cage rotor and squirrel -cage motor |
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| Publication Number | Publication Date |
|---|---|
| CN204858781U true CN204858781U (en) | 2015-12-09 |
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| CN201520580934.7U Expired - Fee Related CN204858781U (en) | 2015-07-31 | 2015-07-31 | Rotor punching, rotor core , cage rotor and squirrel -cage motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110718975A (en) * | 2019-11-13 | 2020-01-21 | 长沙宁湖机械设备有限公司 | Squirrel-cage rotor capable of improving strength of conducting bar |
-
2015
- 2015-07-31 CN CN201520580934.7U patent/CN204858781U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110718975A (en) * | 2019-11-13 | 2020-01-21 | 长沙宁湖机械设备有限公司 | Squirrel-cage rotor capable of improving strength of conducting bar |
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| 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: 20151209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |