CN206807166U - A kind of copper bar rotor protection structure and its copper bar rotor - Google Patents
A kind of copper bar rotor protection structure and its copper bar rotor Download PDFInfo
- Publication number
- CN206807166U CN206807166U CN201720667109.XU CN201720667109U CN206807166U CN 206807166 U CN206807166 U CN 206807166U CN 201720667109 U CN201720667109 U CN 201720667109U CN 206807166 U CN206807166 U CN 206807166U
- Authority
- CN
- China
- Prior art keywords
- protection
- copper bar
- ring
- end ring
- plectane
- 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.)
- Expired - Fee Related
Links
Landscapes
- Induction Machinery (AREA)
Abstract
The utility model discloses a kind of copper bar rotor protection structure and its copper bar rotor, wherein, the protection structure includes：Protection ring (1) and support ring (2); above-mentioned protection ring (1) includes the protection plectane (11) that center is provided with through hole (111); it is provided with along the axially extending protection board (12) of protection plectane (11), above-mentioned support ring (2) and is nested in the through hole (111) of protection plectane (11) in the periphery of protection plectane (11)；Above-mentioned protection structure is provided with the copper bar rotor；The protection structure can offset end ring and copper bar sliver with centrifugal force caused by rotor high-speed rotation, limit end ring and the caused radial displacement and deformation under the action of the centrifugal force of copper bar sliver, it is ensured that the normal operation of motor.
Description
Technical field
The utility model discloses the technical field for being related to motor, more particularly to a kind of copper bar rotor protection structure and its
Copper bar rotor.
Background technology
Copper bar rotor protection structure, it is a kind of protection device commonly used in motor, it is generally disposed at copper bar rotor
Outside end ring, for protecting copper bar sliver and end ring, to avoid the two from being deformed upon during motor operation.Therefore, copper
Rotor protection structure is arranged to the stability and service life of motor running, there is material impact.
Existing copper bar rotor protection structure, only a protection ring, and platform is machined with the inner side end of protection ring
Ledge structure matches on the outside of stage structure, with end ring, and then to the fixation of copper bar and end ring, but existing protection is tied
Supporting construction is not present in structure, when motor rotates, eccentric motion easily occurs, causes end ring and copper bar sliver that radial shape occurs
Become, cause motor damages, in addition, the structure of above-mentioned protection ring end face is more complicated, it is difficult to ensure that processing essence when technique is processed
Degree, easily causes stress raisers, allowable stress is too high, causes the damage of protection structure.
In addition, existing copper bar rotor middle-end ring cutting face is abnormity, existing on end-ring current density influences, and easily causes part
Temperature rise is too high, influences the operation of motor.
Therefore, a kind of new copper bar rotor protection structure how is researched and developed, to solve the above problems, turns into people urgently
Solve the problems, such as.
Utility model content
In consideration of it, the utility model provides a kind of copper bar rotor protection structure and its copper bar rotor, at least to solve
The problems such as easily producing eccentric motion, stress raisers be present in conventional copper bar rotor protection structure.
On the one hand the utility model provides a kind of copper bar rotor protection structure, it is characterised in that including：Protection ring 1
And support ring 2；
The protection ring 1 includes the protection plectane 11 that center is provided with through hole 111, and the periphery of the protection plectane 11 is set
Have along the axially extending protection board 12 of the protection plectane 11；
The support ring 2 is nested in the through hole 111 of the protection plectane 11.
It is preferred that the lateral wall of the support ring 2 is circumferentially spaced to be provided with convex 21 radially extended along the support ring 2.
Further preferably, lateral wall of the projection 21 along the support ring 2 is arranged circumferentially.
Further preferably, the protection plectane 11 and the protection board 12 are integral type structure.
Further preferably, the protection ring 1 is 40Mn18Cr4 alloy protecting rings.
On the other hand the utility model additionally provides a kind of copper bar rotor, including：Rotating shaft 3, it is set in outside the rotating shaft 3
The protection structure 6 of end ring 5, two of iron core 4, two and multiple copper bar slivers 7, circumferentially spaced be provided with of iron core 4 pass through
The cavity at logical both ends, the copper bar sliver 7 are installed in the cavity, and penetrate the cavity both ends, it is characterised in that
The outer face of each end ring 5 is plane, and the inner face of each end ring 5 is circumferentially arranged at intervals
It is fluted；
Two end ring 5 are set with the both ends of the iron core 4, and the both ends end of the copper bar sliver 7 is divided equally
Other fixing card is located in the groove of the corresponding inner face of end ring 5；
Two protection structures 6 distinguish outside of the fixed cover loaded on two end ring 5, and each protection structure
6 be any one above-mentioned, wherein, the support ring 2 in the protection structure 6 is set in the rotating shaft 3, the protection ring
Protection plectane 11 in 1 is fixedly connected with the outer face of the end ring 5, and the protection board 12 in the protection ring 1 is set in described
The outside of end ring 5 and the copper bar sliver 7.
It is preferred that it is interference fit between the protection board 12 and the end ring 5 and the copper bar sliver 7.
Copper bar rotor protection structure provided by the utility model, including protection ring and support ring, wherein, protection ring includes
Center is provided with the protection plectane of through hole and is arranged at protection plectane periphery and along the axially extending protection board of protection plectane, makes
Used time, the support ring in the protection structure are set in the rotating shaft of copper bar rotor, and the protection plectane in protection ring turns with copper bar
The end ring of son is fixed, and the protection board in protection ring is wrapped on the outside of the end ring and copper bar sliver of copper bar rotor, works as electric motor operation
When, copper bar rotor high-speed rotation, protection ring applies the thrust to axle center to end ring and copper bar sliver, is led with offsetting end ring and copper bar
Bar limits end ring and the caused radial displacement under the action of the centrifugal force of copper bar sliver with centrifugal force caused by rotor high-speed rotation
And deformation, ensure the normal operation of motor；And support ring is fixedly connected in rotating shaft, and it is nested in the center through hole of protection ring
Interior, when electric motor operation, support ring plays support and fixation to protection ring, prevents protection ring from being produced by centrifugal force or so
Eccentric motion, and then protect end ring and copper bar sliver without prejudice, it is ensured that motor runs well.
Copper bar rotor provided by the utility model, including rotating shaft, the iron core being set in outside rotating shaft, two end ring, two
Protection structure and multiple copper bar slivers, the circumferentially spaced cavity for being provided with insertion both ends of iron core, copper bar sliver are installed on institute
State in cavity, and penetrate the cavity both ends, wherein, the outer face of each end ring is plane, and the inner face of each end ring
Circumferentially it is arranged at intervals fluted, two end ring are set with the both ends of iron core, and the both ends end of copper bar sliver is divided equally
Other fixing card is located in the groove of corresponding end ring inner face, and the end face of the copper bar rotor end ring uses planar structure, and existing
End face is compared for the end ring of stepped form, and processing is simple, and machining accuracy is easily guaranteed that, while coordinates the protection in the utility model
Structure, in motor running, avoid producing stress concentration and local current convergence, and then avoid end ring during operating from damaging drawn game
Portion's temperature rise, ensure motor normal operation.
Brief description of the drawings
Accompanying drawing herein is merged in specification and forms the part of this specification, shows that to meet the utility model special
The embodiment of profit, and for explaining principle of the present utility model together with specification.
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, for ordinary skill people
For member, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation for copper bar rotor protection structure that the utility model discloses embodiment offer；
Fig. 2 is sectional views of the Fig. 1 along AA；
Fig. 3 is a kind of structural representation for copper bar rotor that the utility model discloses embodiment offer.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the utility model.On the contrary, they be only with such as
The example of the consistent device of some aspects being described in detail in appended claims, of the present utility model.
It is a kind of copper bar rotor protection structure that the present embodiment provides referring to Fig. 1, Fig. 2, the protection structure includes：Protect
Retaining ring 1 and support ring 2, wherein, protection ring 1 includes the protection plectane 11 that center is provided with through hole 111, protects the outer of plectane 11
It is provided with week along the axially extending protection board 12 of the protection plectane 11, above-mentioned support ring 2 is nested in the through hole 111 of protection plectane 11
It is interior.
Copper bar rotor protection structure in the present embodiment, in use, support ring is set in the rotating shaft of copper bar rotor, and
The end ring of protection plectane and copper bar rotor in protection ring is fixed, the protection board in protection ring be wrapped in copper bar rotor end ring and
On the outside of copper bar sliver, when electric motor operation, copper bar rotor high-speed rotation, protection ring applies to axle center to end ring and copper bar sliver
Thrust, to offset end ring and copper bar sliver with centrifugal force caused by rotor high-speed rotation, limit end ring and copper bar sliver exist
Caused radial displacement and deformation, ensure the normal operation of motor under centrifugal action；And support ring is fixedly connected on rotating shaft
On, and be nested in the center through hole of protection ring, when electric motor operation, support ring plays support and fixed work to protection ring
With, prevent protection ring by centrifugal force or so produce eccentric motion, and then protect end ring and copper bar sliver it is without prejudice, it is ensured that it is electronic
Machine runs well.
As the improvement of technical scheme, referring to Fig. 1, the lateral wall of support ring 2 is circumferentially spaced to be provided with along the footpath of support ring 2
To convex the 21 of extension, it is preferable that lateral wall of the projection 21 along support ring 2 is arranged circumferentially.
By above-mentioned technological improvement, the contact area of rotor and air can be increased, reduce wind path resistance, strengthen copper bar
The circulation of peritrochanteric air, copper bar rotor radiating effect is improved, ensure that motor runs well.
In order to improve the protection intensity of protection ring, wherein, protection plectane 11 is preferably integral structure with protection board 12, and
Protection ring 1 is made of 40Mn18Cr4 alloys.
It is a kind of copper bar rotor that the present embodiment provides referring to Fig. 3, the copper bar rotor includes：Rotating shaft 3, it is set in rotating shaft
The protection structure 6 of end ring 5, two of iron core 4, two and multiple copper bar slivers 7, circumferentially spaced be provided with of iron core 4 outside 3 are passed through
The cavity at logical both ends, copper bar sliver 7 is installed in the cavity, and runs through cavity both ends, and the outer face of above-mentioned each end ring 5 is equal
For plane, and the inner face of each end ring 5 is circumferentially arranged at intervals fluted, and two end ring 5 are set with two in iron core 4
End, and respectively fixing card is located in the groove of the corresponding inner face of end ring 5 for the both ends end of copper bar sliver 7, two protection structures 6
Outside of the fixed cover loaded on two end ring 5 respectively, and any one in 6 equal the embodiment above of each protection structure, wherein,
Support ring 2 in protection structure 6 is set in rotating shaft 3, and the outer face of the protection plectane 11 in protection ring 1 and end ring 5 passes through spiral shell
Bolt is fixedly connected, and the protection board 12 in protection ring 1 is set in the exterior side wall of end ring 5 and copper bar sliver 7.
The copper bar rotor that the present embodiment provides, in addition to above-mentioned protection structure possessed function, and end ring
End face use planar structure, compared with the end ring of stepped form is in existing end face, processing is simple, and machining accuracy is easily protected
Card, in motor running, end ring damage and part when avoiding producing stress concentration and local current convergence, and then avoiding operating
Temperature rise, ensure motor normal operation.
It is preferred that it is interference fit between protection board 12 and end ring 5 and copper bar sliver 7 in copper bar rotor.
Those skilled in the art will readily occur to this practicality after considering specification and putting into practice utility model disclosed herein
New other embodiments.The application is intended to any modification, purposes or adaptations of the present utility model, these
Modification, purposes or adaptations follow general principle of the present utility model and including undocumented skills of the utility model
Common knowledge or conventional techniques in art field.Description and embodiments be considered only as it is exemplary, it is of the present utility model
True scope and spirit are pointed out by following claim.
It should be appreciated that the accurate knot that the utility model is not limited to be described above and is shown in the drawings
Structure, and various modifications and changes can be being carried out without departing from the scope.The scope of the utility model only will by appended right
Ask to limit.
Claims (7)
- A kind of 1. copper bar rotor protection structure, it is characterised in that including：Protection ring (1) and support ring (2)；The protection ring (1) includes the protection plectane (11) that center is provided with through hole (111), the periphery of the protection plectane (11) It is provided with along the axially extending protection board (12) of the protection plectane (11)；The support ring (2) is nested in the through hole (111) of the protection plectane (11).
- 2. copper bar rotor protection structure according to claim 1, it is characterised in that the lateral wall edge of the support ring (2) It is provided at circumferentially spaced the projection (21) radially extended along the support ring (2).
- 3. copper bar rotor protection structure according to claim 2, it is characterised in that the projection (21) is along the support ring (2) lateral wall is arranged circumferentially.
- 4. copper bar rotor protection structure according to claim 1, it is characterised in that the protection plectane (11) and the guarantor Backplate (12) is integral type structure.
- 5. copper bar rotor protection structure according to claim 1, it is characterised in that the protection ring (1) is 40Mn18Cr4 Alloy protecting ring.
- 6. a kind of copper bar rotor, including：Rotating shaft (3), it is set in the outside iron core (4) of the rotating shaft (3), two end ring (5), two Individual protection structure (6) and multiple copper bar slivers (7), the circumferentially spaced cavity for being provided with insertion both ends of the iron core (4), institute State copper bar sliver (7) to be installed in the cavity, and penetrate the cavity both ends, it is characterised in thatThe outer face of each end ring (5) is plane, and the inner face of each end ring (5) is circumferentially arranged at intervals It is fluted；Two end ring (5) are set with the both ends of the iron core (4), and the both ends end of the copper bar sliver (7) is equal Fixing card is located in the groove of corresponding end ring (5) inner face respectively；Two protection structures (6) outside of the fixed cover loaded on two end ring (5), and each protection structure respectively (6) it is any one described in Claims 1 to 5, wherein, the support ring (2) in the protection structure (6) is set in described In rotating shaft (3), the protection plectane (11) in the protection ring (1) is fixedly connected with the outer face of the end ring (5), the protection Protection board (12) in ring (1) is set in the outside of the end ring (5) and the copper bar sliver (7).
- 7. copper bar rotor according to claim 6, it is characterised in that the protection board (12) and the end ring (5) and described It is interference fit between copper bar sliver (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720667109.XU CN206807166U (en) | 2017-06-09 | 2017-06-09 | A kind of copper bar rotor protection structure and its copper bar rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720667109.XU CN206807166U (en) | 2017-06-09 | 2017-06-09 | A kind of copper bar rotor protection structure and its copper bar rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206807166U true CN206807166U (en) | 2017-12-26 |
Family
ID=60745573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720667109.XU Expired - Fee Related CN206807166U (en) | 2017-06-09 | 2017-06-09 | A kind of copper bar rotor protection structure and its copper bar rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206807166U (en) |
-
2017
- 2017-06-09 CN CN201720667109.XU patent/CN206807166U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7201565B2 (en) | Fan blade set for cooling fan | |
| JPS5686052A (en) | Alternating current generator for vehicle | |
| EP1209796A3 (en) | Rotating electrical machine | |
| US9729032B2 (en) | Limiting radial expansion in rotor balancing | |
| US10243437B2 (en) | Permanent magnet rotor and permanent magnet rotary assembly | |
| US20080150400A1 (en) | Electric machines, rotors, and rotor cages having reduced noise characteristics | |
| US6617717B2 (en) | Alternator | |
| CN208423969U (en) | Rotating electric machine | |
| CN105191069A (en) | Rotating electrical machine with embedded permanent magnet | |
| CN111082559B (en) | Rotor | |
| CN206807166U (en) | A kind of copper bar rotor protection structure and its copper bar rotor | |
| US10044238B2 (en) | Interior permanent magnet rotor hubs | |
| JP5435805B2 (en) | Multiple rotor motor | |
| US9115754B2 (en) | Support plate for bearings | |
| WO2008068503A3 (en) | Axial flux electrical machines | |
| JP5931216B2 (en) | Rotor for rotating electrical machine and method for manufacturing the same | |
| CN102362415B (en) | Claw pole comprising centring point | |
| CN206807228U (en) | A kind of motor internal fan and its motor | |
| EP3306789A1 (en) | Rotor of vehicular alternator | |
| JP6065506B2 (en) | Rotating machine | |
| US11923735B2 (en) | Rotor with non-through shaft and associated rotary electric machine | |
| KR102395607B1 (en) | ROTOR AND Motor HAVING THE SAME | |
| US20210159760A1 (en) | Rotor balance ring and oil flinger | |
| JPS5959043A (en) | Motor | |
| DE102010053717A1 (en) | Stator winding with several phase windings |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 |