CN104753278A - Mouse cage type motor and rotor used for same - Google Patents
Mouse cage type motor and rotor used for same Download PDFInfo
- Publication number
- CN104753278A CN104753278A CN201510141959.1A CN201510141959A CN104753278A CN 104753278 A CN104753278 A CN 104753278A CN 201510141959 A CN201510141959 A CN 201510141959A CN 104753278 A CN104753278 A CN 104753278A
- Authority
- CN
- China
- Prior art keywords
- balance weight
- rotor
- nail
- balance
- squirrel cage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/16—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/16—Centering rotors within the stator; Balancing rotors
- H02K15/165—Balancing the rotor
Abstract
The invention discloses a mouse cage type motor and a rotor used for the same. The rotor comprises a rotor iron core, an end ring, at least one balance nail and at least one balance block, the end ring is arranged at the end of the rotor iron core, the balance nails are arranged on one side, away from the rotor iron core, of the end ring, each balance block sleeves the corresponding balance nail, the balance blocks correspond to the balance nails in a one-to-one manner, outer contour of each balance block is non-circular, at least one stop nail is arranged on each of the balance blocks and the end ring, at least one stop hole is formed in the other of the balance blocks and the end ring, and the stop holes are matched with the stop nails to prevent the balance blocks from rotating around the balance nails. According to the rotor, mass of the balance blocks can be bigger, and the problem that conventional balance nails are insufficient in height is solved. In addition, the balance blocks after being mounted on the balance nails can be effectively prevented from rotating to exceed the rotor iron core to generate interference with other parts of the mouse cage type motor.
Description
Technical field
The present invention relates to technical field of motor manufacture, especially relate to a kind of rotor for squirrel cage motor and there is its squirrel cage motor.
Background technology
Point out in correlation technique, it is very large that the quality of the equalizing wahser of squirrel cage motor can not be done, when the unbalancing value of rotor is very large, balanced nail is filled it up with and all cannot meet unbalancing value requirement, and increase balanced nail squirrel cage motor parts may be caused to interfere.In addition, the sheet number of the equalizing wahser needed during balance is many, and balance efficiency is low.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, one object of the present invention is to propose a kind of rotor for squirrel cage motor, and the balance weight quality of described rotor can be larger.
Another object of the present invention is to propose a kind of squirrel cage motor with above-mentioned rotor.
The rotor for squirrel cage motor of embodiment, comprising: rotor core according to a first aspect of the present invention; End ring, described end ring is located at the end of described rotor core; At least one balanced nail, described balanced nail is located at the side away from described rotor core of described end ring; At least one balance weight, described balance weight is set on described balanced nail, described balance weight and described balanced nail one_to_one corresponding, the outer contour shape of wherein said balance weight is formed as non-circular, one of them in described balance weight and described end ring is provided with at least one stop nail, another in described balance weight and described end ring is formed with at least one stop hole, and described stop hole and described stop are followed closely and are coordinated to prevent described balance weight from rotating around described balanced nail.
According to the rotor for squirrel cage motor of the embodiment of the present invention, by being arranged to non-circular by the outer contour shape of balance weight, the quality of balance weight can be larger, solves the problem of traditional balanced nail height deficiency.And, by arranging stop nail and stop hole, can effectively prevent from balance weight to be mounted to turning to after on balanced nail exceeding rotor core and interfering with other parts of squirrel cage motor.
Alternatively, the outer contour shape of described balance weight is formed as a part for annular.
Particularly, the center of gravity of described balance weight and the center superposition of described balanced nail.
Alternatively, described stop nail extends from the side surface away from described rotor core of described end ring towards the direction away from described rotor core, and described stop hole runs through described balance weight along the thickness direction of described balance weight.
Further alternatively, described stop hole is two and described two stop hole lay respectively at the both sides of described balanced nail, described stop nail and described stop hole one_to_one corresponding.
Alternatively, the free end of balanced nail described in riveting is to limit the movement axially of described balance weight at described balanced nail.
Alternatively, described balance weight is formed by the punching of the steel plate of 0.5mm.
Alternatively, described balance weight forms by multiple balancing patch is stacked.
Further alternatively, described multiple balancing patch is folded riveting and is linked into an integrated entity.
The squirrel cage motor of embodiment according to a second aspect of the present invention, comprises the rotor for squirrel cage motor according to the above-mentioned first aspect embodiment of the present invention.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the stereogram of the rotor for squirrel cage motor according to the embodiment of the present invention;
Fig. 2 is the stereogram of the balance weight shown in Fig. 1.
Reference numeral:
100: rotor;
1: rotor core; 2: end ring; 21: stop is followed closely; 3: balanced nail;
4: balance weight; 41: installing hole; 42: stop hole; 43: self-clinching wedge;
5: separator.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, in describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
The rotor 100 for squirrel cage motor of embodiment is according to a first aspect of the present invention described below with reference to Fig. 1 and Fig. 2.
As shown in Figure 1, the rotor 100 for squirrel cage motor of embodiment according to a first aspect of the present invention, comprises rotor core 1, end ring 2, at least one balanced nail 3 and at least one balance weight 4.
End ring 2 is located at the end of rotor core 1.For example, referring to Fig. 1, the axial two ends of rotor core 1 are respectively equipped with an end ring 2, and end ring 2 is formed as annular shape substantially, end ring 2 preferably and rotor core 1 coaxially arrange.
Balanced nail 3 is located at the side away from rotor core 1 of end ring 2, such as, balanced nail 3 can from a side surface axially the extending towards the direction away from rotor core 1 along rotor core 1 away from rotor core 1 of end ring 2, as shown in Figure 1, the now central axis of balanced nail 3 and the plane less perpendicular at end ring 2 place.Alternatively, balanced nail 3 is one-body molded with end ring 2, to facilitate processing and manufacturing, cost-saving.
Wherein, balanced nail 3 can be multiple, and multiple balanced nail 3 preferably uniform intervals distribution in the circumference of end ring 2.Thus, when the unbalancing value of balancing rotor 100, balance weight 4 can be placed on corresponding balanced nail 3.Be appreciated that the number of balanced nail 3 and the arrangement etc. on end ring 2 can require and adaptive change according to real balance, the present invention does not do concrete restriction to this.
Further, be equipped with a separator 5 between two often adjacent balanced nails 3, separator 5 can extend along the radial direction of rotor core 1, and the separator 5 of each balanced nail 3 both sides is preferably symmetrical about this balanced nail 3.
Balance weight 4 is set on corresponding balanced nail 3, balance weight 4 and balanced nail 3 one_to_one corresponding, i.e. a corresponding balanced nail 3 of balance weight 4, and balance weight 4 is for the amount of unbalance of balancing rotor 100.Specifically, balance weight 4 is formed with through installing hole 41, the free end (such as, the upper end in Fig. 1) of balanced nail 3 is adapted to pass through installing hole 41, thus balance weight 4 can be set on balanced nail 3.
Wherein, the outer contour shape of balance weight 4 is formed as non-circular, and for example, referring to Fig. 1 and composition graphs 2, the outer contour shape of balance weight 4 is formed as a part for annular.Certainly, the outer contour shape of balance weight 4 can also be formed as trapezoidal, cydariform or Long Circle etc.
One of them in balance weight 4 and end ring 2 is provided with at least one stop nail 21, and another in balance weight 4 and end ring 2 is formed with at least one stop hole 42, and stop hole 42 and stop are followed closely 21 and coordinated to prevent balance weight 4 from rotating around balanced nail 3.Here following two kinds of situations are comprised: the first, at least one stop nail 21 is located on balance weight 4, and at least one stop hole 42 is formed on end ring 2; The second, at least one stop nail 21 is located on end ring 2, and at least one stop hole 42 is formed on balance weight 4.Thus, by arranging stop nail 21 and stop hole 42, can effectively prevent from balance weight 4 to be mounted to turning to after on balanced nail 3 exceeding rotor core 1 and interfering with other parts of squirrel cage motor.
Alternatively, balance weight 4 forms by multiple balancing patch is stacked.Specifically, balance weight 4 can be formed by the punching of the steel plate of 0.5mm, and multiple balancing patch is folded riveting and linked into an integrated entity, and such as, as shown in Figure 2, multiple balance weight 4 folds riveting together by two self-clinching wedges 43, and two self-clinching wedges 43 lay respectively at the both sides of installing hole 41.Be appreciated that the number of balancing patch and connected mode each other etc. can according to actual requirement adaptive change, the present invention does not make particular determination to this.
Wherein, balance weight 4 can come on stator punching or rotor 100 punching height punch die, overlaps and rushes out, reach slug detect with stator punching or rotor 100 punching, does not need to increase production hour in addition simultaneously, with low cost.
Thus, by adopting the balance weight 4 of non-circular shape, because the area of balance weight 4 is comparatively large, thus add the quality of balance weight 4, the balanced nail 3 of needs is highly little, when the unbalancing value of rotor 100 is very large, without the need to balanced nail 3 being filled it up with the requirement that also can meet unbalancing value, and, when meeting unbalancing value requirement, even can reduce the height of balanced nail 3, thus there will not be the situation that the parts of squirrel cage motor are interfered.
In addition, the thickness of balance weight 4 can be thinner, can reduce the difficulty of processing of balance weight 4 like this, thus reduce cost, and the sheet number of the balancing patch needed during balance is less, thus can improve the dynamic balancing efficiency of rotor 100.According to the rotor 100 for squirrel cage motor of the embodiment of the present invention, by being arranged to non-circular by the outer contour shape of balance weight 4, the quality of balance weight 4 can be larger, solves the problem of traditional balanced nail height deficiency.And, by arranging stop nail 21 and stop hole 42, can effectively prevent from balance weight 4 to be mounted to turning to after on balanced nail 3 exceeding rotor core 1 and interfering with other parts of squirrel cage motor.
Specifically, such as in the example of fig. 1, stop nail 21 to be located on end ring 2 and to be spaced apart from each other with balanced nail 3, the height of stop nail 21 is less than the height of balanced nail 3, stop nail 21 extends from the side surface away from rotor core 1 of end ring 2 towards the direction away from rotor core 1, stop nail 21 is preferred and end ring 2 is one-body molded, stop hole 42 runs through balance weight 4 along the thickness direction of balance weight 4, the free end (upper end such as, in Fig. 1) of stop nail 21 is adapted to pass through the stop hole 42 of balance weight 4.Thus, by arranging stop nail 21 and stop hole 42, turning to after can effectively preventing balance weight 4 from rivetting and exceed rotor core 1 and interfere with other parts of squirrel cage motor.
Further, stop hole 42 is two, and two stop hole 42 are formed in the neighboring place of the adjacent rotor iron core 1 of balance weight 4, and two stop hole 42 lay respectively at the both sides of balanced nail 3, preferably, two centers of stop hole 42 about balanced nail 3 and the line of centres symmetry of rotor core 1.Stop nail 21 and stop hole 42 one_to_one corresponding, the number of now stop nail 21 is two.
Certainly, the stop nail 21 cooperatively interacted and stop hole 42 also can be only set in the side of balanced nail 3.Be appreciated that stop nail 21 and stop hole 42 number can according to actual requirement adaptive change, to meet actual requirement better.
During balance, the quality of adding as required, select the balance weight 4 of suitable thickness, and be mounted on the balanced nail 3 of end ring 2 relevant position, and the stop hole 42 of both sides is to the stop nail 21 on good end ring 2, rivetted by balanced nail 3 after reaching balance requirement, namely the free end (upper end such as, in Fig. 1) of riveting balanced nail 3 is to limit the movement axially of balance weight 4 at balanced nail 3.
According to one embodiment of present invention, the center of gravity of balance weight 4 and the center superposition of balanced nail 3, now the center of gravity of balance weight 4 overlaps with the center of gravity of installing hole 41.Thus, during balance, before not rivetting, quality and the counterweight equivalence value ratio of balance weight 4 are 1:1, do not need other conversion.
According to the rotor 100 for squirrel cage motor of the embodiment of the present invention, the height of balanced nail 3 can reduce, and can improve the dynamic balancing efficiency of rotor 100.
The squirrel cage motor of embodiment according to a second aspect of the present invention, comprises the rotor 100 for squirrel cage motor according to the above-mentioned first aspect embodiment of the present invention.
According to the squirrel cage motor of the embodiment of the present invention other form and operation be all known to those skilled in the art, be not described in detail here.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (10)
1. for a rotor for squirrel cage motor, it is characterized in that, comprising:
Rotor core;
End ring, described end ring is located at the end of described rotor core;
At least one balanced nail, described balanced nail is located at the side away from described rotor core of described end ring;
At least one balance weight, described balance weight is set on described balanced nail, described balance weight and described balanced nail one_to_one corresponding, the outer contour shape of wherein said balance weight is formed as non-circular, one of them in described balance weight and described end ring is provided with at least one stop nail, another in described balance weight and described end ring is formed with at least one stop hole, and described stop hole and described stop are followed closely and are coordinated to prevent described balance weight from rotating around described balanced nail.
2. the rotor for squirrel cage motor according to claim 1, is characterized in that, the outer contour shape of described balance weight is formed as a part for annular.
3. the rotor for squirrel cage motor according to claim 1, is characterized in that, the center of gravity of described balance weight and the center superposition of described balanced nail.
4. the rotor for squirrel cage motor according to claim 1, it is characterized in that, described stop nail extends from the side surface away from described rotor core of described end ring towards the direction away from described rotor core, and described stop hole runs through described balance weight along the thickness direction of described balance weight.
5. the rotor for squirrel cage motor according to claim 4, is characterized in that, described stop hole is two and described two stop hole lay respectively at the both sides of described balanced nail, described stop nail and described stop hole one_to_one corresponding.
6. the rotor for squirrel cage motor according to claim 1, is characterized in that, the free end of balanced nail described in riveting is to limit the movement axially of described balance weight at described balanced nail.
7. the rotor for squirrel cage motor according to claim 1, is characterized in that, described balance weight is formed by the punching of the steel plate of 0.5mm.
8. the rotor for squirrel cage motor according to any one of claim 1-7, is characterized in that, described balance weight forms by multiple balancing patch is stacked.
9. the rotor for squirrel cage motor according to claim 8, is characterized in that, described multiple balancing patch is folded riveting and linked into an integrated entity.
10. a squirrel cage motor, is characterized in that, comprises the rotor for squirrel cage motor according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510141959.1A CN104753278B (en) | 2015-03-13 | 2015-03-27 | Rotor for squirrel cage motor and the squirrel cage motor with it |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510111195 | 2015-03-13 | ||
| CN2015101111951 | 2015-03-13 | ||
| CN201510141959.1A CN104753278B (en) | 2015-03-13 | 2015-03-27 | Rotor for squirrel cage motor and the squirrel cage motor with it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104753278A true CN104753278A (en) | 2015-07-01 |
| CN104753278B CN104753278B (en) | 2018-09-11 |
Family
ID=53592525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510141959.1A Active CN104753278B (en) | 2015-03-13 | 2015-03-27 | Rotor for squirrel cage motor and the squirrel cage motor with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104753278B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2572952A (en) * | 2018-04-13 | 2019-10-23 | Universal Balancing Ltd | Device for attaching balancing weights to a rotor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000116080A (en) * | 1998-10-08 | 2000-04-21 | Aichi Emerson Electric Co Ltd | Closed electric compression machine |
| CN102356237A (en) * | 2009-03-31 | 2012-02-15 | 富士通将军股份有限公司 | Electric motor rotor and compressor provided with the same |
| CN102362417A (en) * | 2009-03-31 | 2012-02-22 | 富士通将军股份有限公司 | Rotor for compressor motors |
| CN103066784A (en) * | 2011-10-18 | 2013-04-24 | 株式会社安川电机 | Induction motor and rotor of induction motor |
| CN203289214U (en) * | 2013-05-08 | 2013-11-13 | 南通长江电器实业有限公司 | Motor rotor with balance sheets |
-
2015
- 2015-03-27 CN CN201510141959.1A patent/CN104753278B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000116080A (en) * | 1998-10-08 | 2000-04-21 | Aichi Emerson Electric Co Ltd | Closed electric compression machine |
| CN102356237A (en) * | 2009-03-31 | 2012-02-15 | 富士通将军股份有限公司 | Electric motor rotor and compressor provided with the same |
| CN102362417A (en) * | 2009-03-31 | 2012-02-22 | 富士通将军股份有限公司 | Rotor for compressor motors |
| CN103066784A (en) * | 2011-10-18 | 2013-04-24 | 株式会社安川电机 | Induction motor and rotor of induction motor |
| CN203289214U (en) * | 2013-05-08 | 2013-11-13 | 南通长江电器实业有限公司 | Motor rotor with balance sheets |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2572952A (en) * | 2018-04-13 | 2019-10-23 | Universal Balancing Ltd | Device for attaching balancing weights to a rotor |
| GB2572952B (en) * | 2018-04-13 | 2023-02-01 | Universal Balancing Ltd | Device for attaching balancing weights to a rotor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104753278B (en) | 2018-09-11 |
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