CN104753278B - Rotor for squirrel cage motor and the squirrel cage motor with it - Google Patents
Rotor for squirrel cage motor and the squirrel cage motor with it Download PDFInfo
- Publication number
- CN104753278B CN104753278B CN201510141959.1A CN201510141959A CN104753278B CN 104753278 B CN104753278 B CN 104753278B CN 201510141959 A CN201510141959 A CN 201510141959A CN 104753278 B CN104753278 B CN 104753278B
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- CN
- China
- Prior art keywords
- balance weight
- nail
- rotor
- squirrel cage
- balanced
- 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.)
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Links
- 241000555745 Sciuridae Species 0.000 title claims abstract description 38
- 238000004080 punching Methods 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 1
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—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/16—Centring rotors within the stators
- H02K15/165—Balancing the rotors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a kind of rotor for squirrel cage motor and the squirrel cage motor with it, the rotor includes：Rotor core, end ring, at least one balanced nail and at least one balance weight, end ring are located at the end of rotor core；Balanced nail is located at the side of the separate rotor core of end ring；Balance weight is set on balanced nail, balance weight is corresponded with balanced nail, the outer contour shape of balance weight is formed as non-circular, at least one stop is equipped with one of in balance weight and end ring to follow closely, at least one stop hole is formed on another in balance weight and end ring, stop hole coordinates with stop nail to prevent balance weight from being rotated around balanced nail.The quality of rotor according to the present invention, balance weight can solve the problems, such as that traditional balance staple height is insufficient with bigger.Furthermore, it is possible to turn to beyond rotor core and interfered with other components of squirrel cage motor after effectivelying prevent balance weight to install to balanced nail.
Description
Technical field
The present invention relates to technical field of motor manufacture, more particularly, to a kind of rotor for squirrel cage motor and have it
Squirrel cage motor.
Background technology
It points out in the related technology, the quality of the equalizing wahser of squirrel cage motor cannot be made big, when the dynamic injustice of rotor
When weighing very big, balanced nail is filled it up with and all cannot be satisfied unbalancing value requirement, and increased balanced nail and be likely to result in mouse cage
Formula motor component is interfered.In addition, the piece number of the equalizing wahser needed when balance is more, balance efficiency is low.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, one object of the present invention
It is to propose a kind of rotor for squirrel cage motor, the balance weight quality of the rotor can be with bigger.
It is another object of the present invention to propose a kind of squirrel cage motor with above-mentioned rotor.
The rotor for squirrel cage motor of embodiment according to a first aspect of the present invention, including：Rotor core；End ring, institute
State the end that end ring is located at the rotor core；At least one balanced nail, the balanced nail are located at the separate described of the end ring
The side of rotor core；At least one balance weight, the balance weight are set on the balanced nail, and the balance weight is put down with described
Weighing apparatus nail corresponds, wherein the outer contour shape of the balance weight is formed as non-circular, in the balance weight and the end ring
One of them is followed closely equipped at least one stop, and at least one stop is formed on another in the balance weight and the end ring
Dynamic hole, the stop hole is with stop nail cooperation to prevent the balance weight from being rotated around the balanced nail.
Rotor according to the ... of the embodiment of the present invention for squirrel cage motor, by the way that the outer contour shape of balance weight to be arranged to
Non-circular, the quality of balance weight can solve the problems, such as that traditional balance staple height is insufficient with bigger.Moreover, being stopped by setting
Dynamic nail and stop hole turn to electric with squirrel-cage beyond rotor core after balance weight can be effectively prevent to install to balanced nail
Other components of machine interfere.
Optionally, the outer contour shape of the balance weight is formed as a part for circular ring shape.
Specifically, the center of gravity of the balance weight is overlapped with the center of the balanced nail.
Optionally, the stop nail is directed away from described turn from the side surface far from the rotor core of the end ring
The direction of sub- iron core extends, and the stop hole runs through the balance weight along the thickness direction of the balance weight.
Still optionally further, the stop hole is two and described two stop holes are located at the two of the balanced nail
Side, the stop nail are corresponded with the stop hole.
Optionally, the free end of balanced nail described in riveting is to limit shifting of the balance weight in the axial direction of the balanced nail
It is dynamic.
Optionally, the balance weight is formed by the punching of the steel plate of 0.5mm.
Optionally, the balance weight is formed by multiple balancing patches are stacked.
Still optionally further, the multiple balancing patch tinertoy links into an integrated entity.
The squirrel cage motor of embodiment according to a second aspect of the present invention, including according to the above-mentioned first aspect embodiment of the present invention
The rotor for squirrel cage motor.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein：
Fig. 1 is the stereogram of the rotor according to the ... of the embodiment of the present invention for squirrel cage motor；
Fig. 2 is the stereogram of 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：Mounting hole；42：Stop hole；43：Self-clinching wedge；
5：Separator.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term "center", " transverse direction ", " length ", " width ", " thickness ",
"upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " axial direction ", " radial direction ", " circumferential direction " etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and letter
Change description, do not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and
Operation, therefore be not considered as limiting the invention.In addition, in the description of the present invention, unless otherwise indicated, " multiples' "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also can be indirectly connected through an intermediary the connection inside two elements to be to be connected directly.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
The rotor for squirrel cage motor of embodiment according to a first aspect of the present invention is described below with reference to Fig. 1 and Fig. 2
100。
As shown in Figure 1, the rotor 100 for squirrel cage motor of embodiment, including rotor according to a first aspect of the present invention
Iron 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 both ends of rotor core 1 are respectively equipped with one
End ring 2, end ring 2 are formed generally as annular shape, and end ring 2 is preferably coaxially disposed with rotor core 1.
Balanced nail 3 is located at the side of the separate rotor core 1 of end ring 2, for example, balanced nail 3 can turn from the separate of end ring 2
One side surface of sub- iron core 1 extends along the direction far from rotor core 1 that is axially facing of rotor core 1, as shown in Figure 1, at this time
The central axis of balanced nail 3 and the plane where end ring 2 are generally vertically.Optionally, balanced nail 3 is integrally formed with end ring 2, with side
Just it fabricates, it is cost-effective.
Wherein, balanced nail 3 can be multiple, and multiple balanced nails 3 are preferably evenly spaced in the circumferential direction of end ring 2.
As a result, when balancing the unbalancing value of rotor 100, balance weight 4 can be placed on corresponding balanced nail 3.It is appreciated that
The number of balanced nail 3 and the arrangement on end ring 2 etc. can according to real balance requirement adaptive change, the present invention
This is not especially limited.
Further, separator 5 there are one being all provided between every two adjacent balanced nails 3, separator 5 can be along rotor iron
Core 1 radially extends, and the separator 5 of 3 both sides of each balanced nail is preferably symmetrical about the balanced nail 3.
Balance weight 4 is set on corresponding balanced nail 3, and balance weight 4 is corresponded with balanced nail 3, i.e., a balance weight 4 is right
A balanced nail 3, balance weight 4 is answered to be used to balance the amount of unbalance of rotor 100.Specifically, being formed with perforation on balance weight 4
The free end (for example, upper end in Fig. 1) of mounting hole 41, balanced nail 3 is adapted to pass through mounting hole 41, to which balance weight 4 can cover
It is located on balanced nail 3.
Wherein, the outer contour shape of balance weight 4 is formed as non-circular, for example, referring to Fig. 1 and combines Fig. 2, balance weight 4
Outer contour shape is formed as a part for circular ring shape.Certainly, the outer contour shape of balance weight 4 may be formed as trapezoidal, cydariform
Or oblong etc..
At least one stop nail 21 is equipped with one of in balance weight 4 and end ring 2, it is another in balance weight 4 and end ring 2
It is formed at least one stop hole 42 on one, stop hole 42 and 21 cooperation of stop nail are to prevent balance weight 4 around 3 turns of balanced nail
It is dynamic.Here include following two situations：The first, at least one stop is followed closely 21 and is located on balance weight 4,42 shape of at least one stop hole
At on end ring 2；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.
21 and stop hole 42 are followed closely by the way that stop is arranged as a result, can effectively prevent turning to after in the installation to balanced nail 3 of balance weight 4 super
Go out rotor core 1 and is interfered with other components of squirrel cage motor.
Optionally, balance weight 4 is formed by multiple balancing patches are stacked.Specifically, balance weight 4 can be by the steel plate of 0.5mm
Punching forms, and multiple balancing patch tinertoys link into an integrated entity, for example, as shown in Fig. 2, multiple balance weights 4 pass through two self-clinching wedges 43
Together, two self-clinching wedges 43 are located at the both sides of mounting hole 41 to tinertoy.It is appreciated that balancing patch number and mutually it
Between connection type etc. adaptive change, the present invention this can be not particularly limited according to actual requirement.
Wherein, balance weight 4 can come on stator punching or the high punch die of 100 punching of rotor, with stator punching or rotor 100
Punching covers together rushes out, and reaches waste material utilization, while need not in addition increase production hour, of low cost.
As a result, by using the balance weight of non-circular shape 4, since the area of balance weight 4 is larger, to increase balance
The quality of block 4,3 height of balanced nail needed is small, when the unbalancing value of rotor 100 is very big, without filling it up with balanced nail 3
The requirement of unbalancing value can be met, moreover, in the case where meeting unbalancing value requirement, it might even be possible to reduce balanced nail
3 height, the case where interference from the parts without squirrel cage motor.
In addition, the thickness of balance weight 4 can be thinner, the difficulty of processing of balance weight 4 can be reduced in this way, to reduce into
This, moreover, the piece number of the balancing patch needed when balance is less, so as to improve the dynamic balancing efficiency of rotor 100.According to this hair
The rotor 100 for squirrel cage motor of bright embodiment, balance non-circular by the way that the outer contour shape of balance weight 4 to be arranged to
The quality of block 4 can solve the problems, such as that traditional balance staple height is insufficient with bigger.Moreover, by the way that stop nail 21 is arranged and stops
Dynamic hole 42, can effectively prevent turning to after in the installation to balanced nail 3 of balance weight 4 beyond rotor core 1 and and squirrel cage motor
Other components interfere.
Specifically, for example in the example of fig. 1, stop nail 21 is located on end ring 2 and is separated from each other with balanced nail 3,
The height of stop nail 21 is less than the height of balanced nail 3, and the 21 side surface directions from the separate rotor core 1 of end ring 2 are followed closely in stop
Direction far from rotor core 1 extends, and stop nail 21 is preferably integrally formed with end ring 2, and stop hole 42 is along the thickness side of balance weight 4
To the stop hole 42 for being adapted to pass through balance weight 4 through the free end (for example, upper end in Fig. 1) of balance weight 4, stop nail 21.By
This, 21 and stop hole 42 are followed closely by the way that stop is arranged, turn to after balance weight 4 can be effectively prevent to rivet beyond rotor core 1 and
It is interfered with other components of squirrel cage motor.
Further, stop hole 42 is two, and two stop holes 42 are formed in the outer of the adjacent rotor iron core 1 of balance weight 4
At circumferential edges, and two stop holes 42 are located at the both sides of balanced nail 3, it is preferable that two stop holes 42 are about balanced nail 3
Center and the line of centres of rotor core 1 are symmetrical.Stop nail 21 is corresponded with stop hole 42, and the number of the nail of stop at this time 21 is
Two.
It is of course also possible to which mutually matched stop nail 21 and stop hole 42 only is arranged in the side of balanced nail 3.It can manage
Solution, stop nail 21 and stop hole 42 number can according to actual requirement adaptive change, preferably to meet actual requirement.
When balance, the quality being added as needed on selects the balance weight 4 of suitable thickness, and it is corresponding to be mounted to end ring 2
On the balanced nail 3 of position, and the stop hole 42 of both sides reaches balanced nail 3 after balance requires the stop nail 21 on good end ring 2
It rivets, i.e., the free end (for example, upper end in Fig. 1) of riveting balanced nail 3 is to limit balance weight 4 in the axial direction of balanced nail 3
It is mobile.
According to one embodiment of present invention, the center of gravity of balance weight 4 is overlapped with the center of balanced nail 3, at this time balance weight 4
Center of gravity is overlapped with the center of gravity of mounting hole 41.When balancing as a result, before not rivetting, the quality and counterweight equivalence value ratio of balance weight 4
Example is 1:1, it need not in addition convert.
The height of rotor 100 according to the ... of the embodiment of the present invention for squirrel cage motor, balanced nail 3 can reduce, and can
To improve the dynamic balancing efficiency of rotor 100.
The squirrel cage motor of embodiment according to a second aspect of the present invention, including according to the above-mentioned first aspect embodiment of the present invention
The rotor 100 for squirrel cage motor.
Other of squirrel cage motor according to the ... of the embodiment of the present invention are constituted and are operated to those skilled in the art
All it is known, is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of being detached from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The range of invention is limited by claim and its equivalent.
Claims (10)
1. a kind of rotor for squirrel cage motor, which is characterized in that including：
Rotor core；
End ring, the end ring are located at the end of the rotor core, the side surface far from the rotor core of the end ring
It is equipped with multiple separators of circumferential uniform intervals setting；
Multiple balanced nails, multiple balanced nails are located at the side far from the rotor core of the end ring, wherein adjacent two
The balanced nail there are one being set between a separator；
Multiple balance weights, the quantity of the balance weight are less than the quantity of the balanced nail, and multiple balance weights are respectively sleeved at
On adjacent multiple balanced nails, the balance weight is corresponded with the balanced nail, wherein the outer profile of the balance weight
It is shaped so as to non-circular, at least one stop is equipped with one of in the balance weight and the end ring and is followed closely, it is described flat
Be formed at least one stop hole on another in weighing apparatus block and the end ring, the stop hole and stop nail coordinate to prevent
Only the balance weight is rotated around the balanced nail.
2. the rotor according to claim 1 for squirrel cage motor, which is characterized in that the foreign steamer profile of the balance weight
Shape is formed as a part for circular ring shape.
3. the rotor according to claim 1 for squirrel cage motor, which is characterized in that the center of gravity of the balance weight and institute
The center for stating balanced nail overlaps.
4. the rotor according to claim 1 for squirrel cage motor, which is characterized in that the stop is followed closely from the end ring
The side surface far from the rotor core be directed away from the direction of the rotor core and extend, the stop hole is along described flat
The thickness direction of weighing apparatus block runs through the balance weight.
5. the rotor according to claim 4 for squirrel cage motor, which is characterized in that the stop hole is two and institute
The both sides that two stop holes are located at the balanced nail are stated, the stop nail is corresponded with the stop hole.
6. the rotor according to claim 1 for squirrel cage motor, which is characterized in that the freedom of balanced nail described in riveting
End is to limit movement of the balance weight in the axial direction of the balanced nail.
7. the rotor according to claim 1 for squirrel cage motor, which is characterized in that the balance weight is by 0.5mm's
Punching of the steel plate forms.
8. the rotor for squirrel cage motor according to any one of claim 1-7, which is characterized in that the balance weight
It is formed by multiple balancing patches are stacked.
9. the rotor according to claim 8 for squirrel cage motor, which is characterized in that the multiple balancing patch tinertoy connects
It is connected into one.
10. a kind of squirrel cage motor, which is characterized in that include being used for squirrel-cage according to any one of claim 1-9
The rotor of motor.
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 CN104753278A (en) | 2015-07-01 |
| CN104753278B true 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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2572952B (en) * | 2018-04-13 | 2023-02-01 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104753278A (en) | 2015-07-01 |
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