CN106230151A - Rotor punching, rotor and motor - Google Patents
Rotor punching, rotor and motor Download PDFInfo
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- CN106230151A CN106230151A CN201610858824.1A CN201610858824A CN106230151A CN 106230151 A CN106230151 A CN 106230151A CN 201610858824 A CN201610858824 A CN 201610858824A CN 106230151 A CN106230151 A CN 106230151A
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- rotor punching
- described groove
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Induction Machinery (AREA)
Abstract
The present invention provides a kind of rotor punching, rotor and motor, rotor punching includes circular yoke portion and the multiple teeth extended to circumferencial direction from yoke portion along the radial direction of rotor punching, forming groove between adjacent tooth, the top of two teeth is connected to close groove, and the quantity of groove is 70.Groove is along between rotor punching radially height is rotor punching diameter 0.16 times to 0.17 times, the top width of groove is between 0.13 times to 0.14 times of the height of groove, the bottom of groove is arc sections, the bottom radius of groove is that between 0.03 times to 0.04 times of height, the width of tooth is between 0.9 times to 1 times of the top width of groove.The rotor punching of certain size design improves mechanical property, and electric machine rotation is more stable, and power density improves and reduces noise simultaneously, and the surface quality of rotor improves.
Description
Technical field
The present invention relates to machine field, the motor especially relate to a kind of rotor punching, being made up of this rotor punching turns
Son and there is the motor of this rotor.
Background technology
Motor is widely used in the various electric equipments of commercial production and life, existing motor have housing with
And it being positioned at the end cap at housing two ends, housing and end cap surround a cavity, are provided with stator and rotor in cavity, and stator has
There are stator core and the coil being embedded on stator core.Rotor is arranged in stator, and can rotate relative to stator.Turn
Sub-axle is arranged in rotor, and with rotor interference fit, armature spindle rotates under the drive of rotor, thus outwards exports power.
Rotor has iron core, and iron core is also to be overrided to form by the rotor punching that many plate shapes are identical, and rotor punching is by silicon steel
Sheet is stamped to form, its have circular yoke portion and from yoke portion along the radial direction of rotor punching to circumferencial direction extend multiple
Tooth, forms groove, is provided with an axis hole at the middle part of rotor punching between two adjacent teeth.
In existing copper bar rotor, the groove distribution installing copper bar is sparse, causes rotor stability relatively low；Rotor punching is in punching
Pressing through journey and cause in copper bar rotor the not parallel discontinuity that causes between copper sliver owing to profile of tooth is not parallel, mechanical property is relatively
Difference, and produce loud noise.
Summary of the invention
First goal of the invention of the present invention is to provide a stable and rotor punching for the less noise of generation.
Second goal of the invention of the present invention is to provide one to make motor stable and the motor of the less noise of generation turns
Son.
3rd goal of the invention of the present invention is provide a working stability and produce the motor of less noise.
The present invention the first goal of the invention provide rotor punching, including circular yoke portion and from yoke portion along rotor punching
Multiple teeth of extending to circumferencial direction of radial direction, form groove between adjacent tooth, yoke portion is provided centrally with axis hole.Wherein, two
The top of tooth is connected to close groove, groove along rotor punching radially 0.16 to 0.17 times that height is rotor punching diameter it
Between, the top width of groove is between 0.13 times to 0.14 times of the height of groove, and the bottom of groove is arc sections, and the bottom radius of groove is
Between 0.03 to 0.04 times of the height of groove, the width of tooth is between 0.9 to 1 times of the top width of groove, the quantity of described groove
It it is 70.
Therefore, rotor punching is provided with 70 be evenly arranged for installing the groove of copper bar, rotor slow-roll stabilization
And power density improves；Tooth top is connected and makes all round closure of groove reduce rotation noise, and copper bar installs positioning precision height, and the profit of groove
Improve by rate.The rotor punching of certain size design can ensure mounting stability and the work of rotor while improving mechanical property
Make stability.
Further scheme is that, between a diameter of 134.5 millimeters to 135.5 millimeters of rotor punching, the height of groove is
Between 22.1 millimeters to 22.4 millimeters, the top width of groove is between 2.9 millimeters to 3.2 millimeters, and the bottom radius of groove is 0.5 milli
Rice is between 0.65 millimeter.
Therefore, the bottom of groove is the installation cooperation that arc sections is easy to copper bar, and the size of groove is less and effective to copper bar
It is fixed, effectively reduces the area of rotor punching thus reduce the volume of motor.
Further scheme is that a diameter of 135.1 millimeters of rotor punching, the height of groove is 22.26 millimeters, the top of groove
Width is 3.04 millimeters, the bottom radius of groove 0.57 millimeter.
Further scheme is that the bottom width of tooth and the top width of tooth are equal.
Further scheme is that multiple teeth equidistantly distribute, and the width of tooth is for between 2.75 millimeters to 2.95 millimeters.
Further scheme is, between 0.65 to 0.68 times of a diameter of rotor punching diameter in yoke portion.
The present invention the second goal of the invention provide rotor, two end ring including iron core, being positioned at iron core two ends and
Being connected to the copper bar between two end ring, iron core is overrided to form by multiple rotor punchings, and each rotor punching includes circular
Yoke portion and the multiple teeth extended along the radial direction of rotor punching to circumferencial direction from yoke portion, form groove, copper bar between adjacent tooth
In insertion groove and be welded between two end ring, yoke portion is provided centrally with axis hole；Wherein, the top of two teeth is connected to seal groove
Closing, groove is along between rotor punching radially 0.16 to 0.17 times that height is rotor punching diameter, and the top width of groove is groove
Height 0.13 times to 0.14 times between, the bottom of groove is arc sections, the bottom radius of groove be height 0.03 to 0.04 times it
Between, the width of tooth is between 0.9 to 1 times of the top width of groove, and the quantity of described groove is 70.
From such scheme, the groove installing copper bar seals and is evenly distributed intensive, and rotor is more stable and have when rotating
Effect reduces the generation of noise.
The present invention the 3rd goal of the invention provide motor, including rotor and motor stator, rotor include iron core,
Two end ring at iron core two ends and be connected to the copper bar between two end ring, iron core laminated by multiple rotor punchings and
Become, each rotor punching include circular yoke portion and from yoke portion along the radial direction of rotor punching to circumferencial direction extend multiple
Tooth, forms groove between adjacent tooth, in copper bar insertion groove and be welded between two end ring, yoke portion is provided centrally with axis hole；Its
In two teeth top be connected with to groove close；Groove is along height is rotor punching diameter the 0.16 to 0.17 of rotor punching radial direction
Between Bei, the top width of groove is between 0.13 times to 0.14 times of the height of groove, and the bottom of groove is arc sections, the bottom of groove half
Footpath is between 0.03 to 0.04 times of the height of groove, and the width of tooth is between 0.9 to 1 times of the top width of groove, described groove
Quantity is 70.
Therefore, the quantity of the groove installing copper bar is 70, step-steady when rotor rotates, and power density is high；Groove
Bottom is arc sections, the installation location simple and fast of copper bar, improves production efficiency；Groove surrounding seals, under motor high-speed rotation, and can
Effectively prevent copper bar under centrifugal force throwing away, it is ensured that the safety of motor.
Accompanying drawing explanation
Fig. 1 is the structure chart of rotor punching embodiment of the present invention.
Fig. 2 is the enlarged drawing in Fig. 1 at A.
Fig. 3 is the structure chart of end ring in rotor embodiment of the present invention.
Fig. 4 be in Fig. 3 B-B to sectional view.
Fig. 5 is the structure chart of copper bar in rotor embodiment of the present invention.
Fig. 6 is the structure chart at another visual angle of copper bar in rotor embodiment of the present invention.
Fig. 7 is the structural representation of rotor embodiment of the present invention.
Fig. 8 be rotor of the present invention manufacture method in the welding processing schematic diagram of rotor.
Fig. 9 is the flow chart of the manufacture method of rotor of the present invention.
Below in conjunction with drawings and Examples, the invention will be further described.
Detailed description of the invention
The motor of the present embodiment has housing and is positioned at the end cap of housing both sides, and housing and end cap surround a cavity,
Being provided with motor stator and rotor in cavity, motor stator has stator core and is embedded on stator core
Coil, rotor is arranged in motor stator, and can rotate relative to stator.Armature spindle is arranged in rotor, and and rotor
Interference fit, armature spindle rotates under the drive of rotor, and outwards exports power.Rotor is overrided to form by rotor punching
Iron core, it is interspersed in the copper bar among iron core and is connected to two end ring compositions at copper bar and iron core two ends.
Seeing the structure chart that Fig. 1 and Fig. 2, Fig. 1 are rotor punching 1, Fig. 2 is the enlarged drawing in Fig. 1 at A.Rotor punching 1 is whole
Body is circular, and the diameter D of rotor punching is between 134.5 millimeters to 135.5, and the middle part of rotor punching 1 is axis hole 14, axis hole
14 are used for installing rotating shaft；Be a circular yoke portion 13 outside axis hole 14, yoke portion 13 along the radial direction of rotor punching 1 to circumferencial direction
Extending 70 teeth 11, form a groove 12 between two adjacent teeth 11, two adjacent tooth 11 tops are circumferentially stretched out
And be connected with each other, it is achieved the open-topped closing to groove 12；70 teeth 11 form 70 grooves on rotor punching 1 altogether
12, groove 12 is for passing for copper bar；Preferably, a diameter of 135.1 millimeters of rotor punching.
Groove 12 is in long trapezoidal, and the bottom 121 of groove 12 is arc sections, the radius of bottom 121 be 0.5 millimeter to 0.65 millimeter it
Between；Preferably, bottom 121 radius is set to 0.57 millimeter, and the interspersed installation of copper bar is easy in the bottom 121 of circular arc.Groove 12 exists
Rotor punching 1 height G radially is between 22.1 millimeters to 22.4 millimeters, and preferred value is 22.26 millimeters.Groove 12 top 122
Width E is between 2.9 millimeters to 3.2 millimeters, it is preferred that top 122 width is 3.04 millimeters.
Distance between the top 122 of adjacent groove 12 is H, and the distance between the bottom 121 of adjacent groove 12 is also H,
And the lateral edges of groove 12 is straight line, therefore, define, between two adjacent grooves 12, the tooth 11 being rectangle profile, enhance tooth
The mechanical property of 11.Wherein the width of tooth 11 is between 0.9 to 1 times of top width of groove 12, it is preferred that spacing H, i.e. tooth
Width be 2.89 millimeters；Further, two drift angles at groove 12 top 122 arrange rounding, and fillet I radius is 0.3 millimeter.
In addition to the fixed value of each size on rotor punching 1 described above, rotor punching 1 is it can also be provided that above chi
The overall equal proportion scaling of very little N times, N is positive number, and each dimension scale relation of rotor punching 1 is as follows:
Groove is along between rotor punching radially 0.16 to 0.17 times that height is rotor punching diameter, and the top width of groove is groove
Between 0.13 times to 0.14 times of height, the bottom radius of groove is that between 0.03 to 0.04 times of height, the width of tooth 11 is groove
Between 0.9 to 1 times of the top width of 12, between 0.65 to 0.68 times of a diameter of rotor punching diameter in yoke portion.
See the structure chart that Fig. 3 and Fig. 4, Fig. 3 are end ring 2, Fig. 4 be in Fig. 3 the B-B of end ring 2 to sectional view.In conjunction with Fig. 1,
End ring 2 is made for conducting metal, it is preferable that end ring 2 is made of copper；End ring 2 be connected to the two ends of copper bar to form circuit
Loop, end ring 2 installed surface side is provided with the welding groove 21 identical with groove 12 quantity, the most altogether 70 welding grooves 21.Weldering
The Internal periphery of access slot 21, Internal periphery all outlines with copper bar of groove 12 are set to clearance fit relationship, it is simple to install and three
Between accurate positioning.Welding groove 21 is arranged on end ring 2 at side face, and the bottom land of welding groove 21 is bottom surface 201, bottom surface 201
For the groundwork face welded between end ring 2 and copper bar；Be provided with notch 211 on the side face of end ring 2, notch 211 energy is set
Realize the copper bar after installing on side face, have exposed parts.
The bottom surface 201 of welding groove 21 and the certain thickness region of bottom surface less than 201 are the first molten bath portion 212, when end ring 2
After electron beam hits, the first molten bath portion 212 together form ring-type molten bath with the second molten bath portion of copper bar 3, molten bath deep
Degree direction is the radial direction that rotor axle center is pointed in molten bath, and molten bath has the deeper degree of depth, can make the bottom surface 201 of end ring 2
And bonding area increases between copper bar 3 end face 33, improve weld strength.
See the structure chart that Fig. 5 and Fig. 6, Fig. 5 and Fig. 6 are copper bar 3 different visual angles.In conjunction with Fig. 1 and Fig. 3, copper bar 3 is strip
Copper sheet, the cross section of copper bar 3, in long trapezoidal, keeps consistent with the profile of groove 12 and welding groove 21.Preferably, outside copper bar 3
Both sides arrange rounding 34, and the radius of rounding 34 is 0.4 millimeter.
In conjunction with Fig. 4, after rotor completes to install, the end face 33 of copper bar 3 supports with the bottom land bottom surface 201 of welding groove 21
Connecing, the end face 33 of copper bar 3 and the certain thickness region of end face less than 33 are the second molten bath portion 35, when copper bar 3 is hit by electron beam
After in, the second molten bath portion 35 is then converted to hot melt state, and cooling is merged with end ring 2 therewith.
It is the structural representation of rotor in conjunction with Fig. 7, Fig. 7.Rotor punching 1 is overrided to form iron core, all rotor punchings 1
Groove 12 be respectively formed a through hole, through empty pass for copper bar 3；After copper bar 3 passes through hole.Two end ring 3 are respectively mounted
At iron core two ends, the two ends of copper bar 3 are respectively installed in a welding groove 21 of two ends end ring 3, the end face 33 of copper bar and end ring 2
The bottom surface 201 of welding groove 21 abuts.
When carrying out the welding job between end ring 2 and copper bar 3, welding groove 21 and copper bar 3 all directly obtain high temperature, after hot melt
Condensing and mutually merge, the end face of copper bar 3 abuts with the bottom land of welding groove 21 and forms solder side 5.Electron beam device bombardment weldering
Junction 5 makes to be in copper bar 3 and the tight seam of end ring 2 mutually compressing state.
And the side face of the corresponding axial location of this solder side 5 the most typically there will be the phenomenons such as air spots, therefore need
Increase any surface finish process work, the surface quality of rotor can be effectively improved.
See the manufacturing flow chart that Fig. 8, Fig. 8 are rotor.In conjunction with Fig. 1, Fig. 3 and Fig. 7, the manufacture method of rotor
As follows: step S1 is first carried out, multiple rotor punchings 1 are laminated work, forms iron core.Followed by step S2, will be many
Individual copper bar 3 passes the through hole formed on iron core by grooves 12 multiple on rotor punching 1, and copper bar 3 two ends are positioned at the end face of iron core
In addition.Then carry out step S3, two end ring 2 are arranged to respectively the two ends of iron core.
Step S1 to step S3 completes the combination step of rotor, followed by the welding step of rotor.
In conjunction with the welding processing schematic diagram that Fig. 9, Fig. 9 are rotor, rotary clamp 4 includes mandrel 41, is positioned at mandrel 41
The locking nut at two ends and bracing frame.After performing step S3, step S4 is first carried out, rotor is clamped to rotating clip
On tool, i.e. first by mandrel 41 through the axis hole 14 of rotor, it is positioned at outside rotor outside is provided with at mandrel 41 two ends
Screw thread, carries out threaded engagement by locking nut and mandrel 41, makes locking nut abut on the both sides end face of rotor core, with
Realize rotor is gripped, subsequently the mandrel 41 being clamped with rotor is clamped on the claw of bracing frame both sides
On；Now the end face of copper bar 3 closely abuts with the bottom land of welding groove 21 and forms solder side 5, and electron beam device 6 is positioned at motor
The surface of rotor.
Thereafter perform step S5, the space at rotary clamp place is carried out airtight and evacuation process, followed by step
S6, programmable controller or other control system send a control signal to electron beam device 6, make electron beam device 6 move also
At solder side 5；Carrying out step S7 subsequently, control system starts electron beam device 6 and sends a control signal to rotating clip
Having and start rotary clamp 4, claw is by motor-driven rotation.After rotary clamp rotates more than a circle, the end face 33 of copper bar 3 and end
The certain expanded range in weld zone 5 and weld zone 5 that the bottom surface 201 of ring 2 abuts is formed ring-type by beam bombardment
Molten bath, be in molten bath liquid metal will condensation, simultaneously electron beam device 6 can be arranged parameter or rotary clamp 4
Rotational parameters be adjusted, such as the electric current of electron beam and accelerating potential, the velocity of rotation of rotary clamp 4 and rotate the number of turns
Deng, adjust parameter according to the copper bar 3 of rotor and the practical situation of end ring 2, to ensure that the end face of copper bar 3 integrally welds
On the bottom surface 201 of end ring 2.
After electron beam device 6 completes welding job, finally perform step S8, by rotor from claw and mandrel 41
On take off, and motor center axle is installed on the axis hole of electronics rotor, then rotor is installed to lathe, to solder side
The position of 5 carries out surface rubbing process.
In the installation method of rotor of the present invention, welding job uses electron beam device 6 to bombard solder side 5,
The ultimate principle of electron beam device 6 is gathering and discharging of electron cloud.When giving the certain energy of electronics, they can depart from
Track transition is out.By heater elements such as electron tubes, negative electrode is heated so that it discharges and forms free electron cloud, when
When applying certain accelerating potential, electronics will be accelerated, and to anode movement.When electronics is after anode movement, gathered by electromagnetism
Coke installation, forms targeted electronic bundle.Electron beam weldering carries out ensureing bombardment speed and the bombardment of e-book under vacuum conditions
Accuracy, reduces the generation of oxidizing slag simultaneously.
Electron beam has without solder, and hyperbaric heating speed such as is exceedingly fast at the feature, therefore arranges notch 211 at welding groove 21 and make end
Ring 2 and copper bar 3 all can directly accept the bombardment of electron beam, improve welding efficiency；And complete the side face of solder side 5 correspondence of welding
On typically can form roughness, need to carry out surface rubbing processing, and the breach 31 that solder-bump 32 side is arranged can be kept away
Exempt from the generation of burr after surface rubbing, reduce by one deburring operation, and the welding quality of rotor and surface accuracy carry
High.
Vacuum electron beam is utilized to weld between bottom surface and the end face of copper bar of the copper end ring of rotor, copper
Rapidly entering hot melt state and therefore prevent weldering Jiao, welding efficiency is high and welding quality improves relatively.
The motor that the present invention provides includes motor stator and above-mentioned rotor, in rotor, owing to rotor rushes
Groove 12 on sheet 1 is connected by tooth 11 and seals, imperforation on iron core side face, can prevent copper bar rotor from high-speed rotation
In throw away disengaging, improve the safety of motor.
Finally it is emphasized that and the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, right
For those skilled in the art, the present invention can have various change and change, as on rotor punching 1, each dimensional values is only
This example demonstrates that more directly perceived and use, on rotor punching, each size also can have many according to the multiple proportion between each size
Plant dimension combination；Again or rotor is gripped and also can use both sides clamping apparatus disk clamping etc. by rotary clamp, all at this
Within the spirit of invention and principle, any modification, equivalent substitution and improvement etc. done, should be included in the protection model of the present invention
Within enclosing.
Claims (10)
1. rotor punching, including:
Circular yoke portion and the multiple teeth extended along the radial direction of described rotor punching to circumferencial direction from described yoke portion are adjacent
Described tooth between formed groove, described yoke portion is provided centrally with axis hole；
It is characterized in that:
The top of two described teeth is connected to close described groove；
Described groove is along between described rotor punching radially 0.16 times to 0.17 times that height is described rotor punching diameter；
The top width of described groove is between 0.13 times to 0.14 times of the height of described groove；
The bottom of described groove is arc sections, and the bottom radius of described groove is between 0.03 times to 0.04 times of the height of described groove；
The width of described tooth is between 0.9 times to 1 times of the top width of described groove；
The quantity of described groove is 70.
Rotor punching the most according to claim 1, it is characterised in that:
Between a diameter of 134.5 millimeters to 135.5 millimeters of described rotor punching；
The height of described groove is between 22.1 millimeters to 22.4 millimeters；
The top width of described groove is between 2.9 millimeters to 3.2 millimeters；
The bottom radius of described groove is between 0.5 millimeter to 0.65 millimeter.
Rotor punching the most according to claim 2, it is characterised in that:
A diameter of 135.1 millimeters of described rotor punching；
The height of described groove is 22.26 millimeters；
The top width of described groove is 3.04 millimeters；
The bottom radius of described groove 0.57 millimeter.
Rotor punching the most according to claim 1, it is characterised in that:
The bottom width of described tooth and the top width of described tooth are equal.
Rotor punching the most according to claim 4, it is characterised in that:
Multiple described teeth equidistantly distribute, and the width of described tooth is between 2.75 millimeters to 2.95 millimeters.
6. according to the rotor punching described in any one of claim 1 to 5, it is characterised in that:
Between 0.65 times to 0.68 times of a diameter of described rotor punching diameter in described yoke portion.
7. rotor, including:
Iron core, two end ring at described iron core two ends and be connected to the copper bar between two described end ring, described iron core
Being overrided to form by multiple rotor punchings, each described rotor punching includes circular yoke portion and from described yoke portion along described turn
Multiple teeth that the radial direction of sub-punching extends to circumferencial direction, form groove between adjacent described tooth, described copper bar inserts described groove
In and be welded between two described end ring；Yoke portion is provided centrally with axis hole；
It is characterized in that:
The top of two described teeth is connected to close described groove；
Described groove is along between described rotor punching radially 0.16 times to 0.17 times that height is described rotor punching diameter；
The top width of described groove is between 0.13 times to 0.14 times of the height of described groove；
The bottom of described groove is arc sections, and the bottom radius of described groove is between 0.03 times to 0.04 times of the height of described groove；
The tooth width of described tooth is between 0.9 times to 1 times of described top width；
The quantity of described groove is 70.
Rotor the most according to claim 7, it is characterised in that:
Between a diameter of 134.5 millimeters to 135.5 millimeters of described rotor punching；
The height of described groove is between 22.1 millimeters to 22.4 millimeters；
The top width of described groove is between 2.9 millimeters to 3.2 millimeters；
The bottom radius of described groove is between 0.5 millimeter to 0.65 millimeter.
9. motor, including rotor and electronics stator, described rotor includes iron core, is positioned at two of described iron core two ends
End ring and be connected to the copper bar between two described end ring, described iron core is overrided to form by multiple rotor punchings, each described
Rotor punching includes circular yoke portion and extends many along the radial direction of described rotor punching to circumferencial direction from described yoke portion
Individual tooth, forms groove between adjacent described tooth, described copper bar inserts in described groove and is welded between two described end ring；Yoke portion
It is provided centrally with axis hole；
It is characterized in that:
The top of two described teeth is connected to close described groove；
Described groove is along between described rotor punching radially 0.1 times 6 to 0.17 times that height is described rotor punching diameter；
The top width of described groove is between 0.13 times to 0.14 times of the height of described groove；
The bottom of described groove is arc sections, and the bottom radius of described groove is between 0.03 times to 0.04 times of the height of described groove；
The tooth width of described tooth is between 0.9 times to 1 times of described top width；
The quantity of described groove is 70.
Motor the most according to claim 9, it is characterised in that:
Between a diameter of 134.5 millimeters to 135.5 millimeters of described rotor punching；
The height of described groove is between 22.1 millimeters to 22.4 millimeters；
The top width of described groove is between 2.9 millimeters to 3.2 millimeters；
The bottom radius of described groove is between 0.5 millimeter to 0.65 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610858824.1A CN106230151B (en) | 2016-09-27 | 2016-09-27 | Rotor punching, rotor and motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610858824.1A CN106230151B (en) | 2016-09-27 | 2016-09-27 | Rotor punching, rotor and motor |
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| CN106230151A true CN106230151A (en) | 2016-12-14 |
| CN106230151B CN106230151B (en) | 2017-11-17 |
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|---|---|---|---|---|
| JPH10285889A (en) * | 1997-03-31 | 1998-10-23 | Mitsubishi Electric Corp | Rotor of squirrel-cage induction motor and its manufacture |
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| CN102780359A (en) * | 2012-07-25 | 2012-11-14 | 重庆市乐尔佳机械有限公司 | Super-efficient six-level three-phase asynchronous motor with output power at 550watt |
| CN103036351A (en) * | 2012-09-30 | 2013-04-10 | 常州亚通杰威电机有限公司 | Motor and applied dryer thereof |
| CN203466700U (en) * | 2013-09-03 | 2014-03-05 | 山东润峰电子科技有限公司 | High efficiency and low voltage asynchronous motor rotor structure applied to low speed electric vehicle |
| CN203722346U (en) * | 2014-01-28 | 2014-07-16 | 安徽安凯汽车股份有限公司 | Stator and rotor punching sheets used for driving motor of electric bus |
| CN204761181U (en) * | 2015-06-16 | 2015-11-11 | 雷勃电气(常州)有限公司 | It is totally closed from cold mould copper bar rotor motor |
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