CN105515244A - Magnetic steel ring structure of wheel hub motor of electric vehicle and machining method - Google Patents
Magnetic steel ring structure of wheel hub motor of electric vehicle and machining method Download PDFInfo
- Publication number
- CN105515244A CN105515244A CN201610010400.XA CN201610010400A CN105515244A CN 105515244 A CN105515244 A CN 105515244A CN 201610010400 A CN201610010400 A CN 201610010400A CN 105515244 A CN105515244 A CN 105515244A
- Authority
- CN
- China
- Prior art keywords
- magnetic steel
- steel ring
- wheel hub
- electric vehicle
- ring structure
- 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.)
- Pending
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Classifications
-
- 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
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/006—Structural association of a motor or generator with the drive train of a motor vehicle
Abstract
The invention discloses a magnetic steel ring structure of a wheel hub motor of an electric vehicle. The magnetic steel ring structure comprises a magnetic steel ring mounted in a wheel hub of the electric vehicle; the upper part of the magnetic steel ring is an annular side wall for sticking a magnetic steel sheet; the lower end face is provided with an extending end reaching the center ring position of the wheel hub along the inner side wall of the wheel hub; a convex ring achieving supporting and reinforcing effects is formed by the extending end at the center ring position of the wheel hub. By integrated design of the magnetic steel ring, mounting and fixing of original two procedures can be completed within one procedure; meanwhile, the magnetic steel ring structure also has the functions of sticking the magnetic steel sheet in the magnetic steel ring and supporting and reinforcing the center.
Description
Technical field
The present invention relates to a kind of wheel hub electric motor of electric vehicle, be specially magnetic steel ring structure and processing method that motor is arranged in hub bracket.
Background technology
Electric vehicle motor plays vital effect as the driver part of car load, directly affects climbing capacity and the distance travelled of electric motor car.Electric vehicle motor includes stator module and rotor assembly, and wherein rotor assembly includes wheel hub, is arranged on the magnetic steel ring inside wheel hub, and is covered with the magnetic links of magnetic steel ring inwall.
At present, conventional magnetic steel ring is used for pasting magnetic links, and the steel ring of support reinforcing effect has been provided with at hub centre ring position, magnetic steel ring is arranged on a side end face step of wheel hub, in magnetic steel ring, ring-side wall is used for pasting magnetic links, is fixedly connected with bottom the connecting end surface of magnetic steel ring by welding manner with wheel hub.
The steel ring of above-mentioned centering ring position and magnetic steel ring need twice installation procedure and are arranged on inside wheel hub, and semi-finished product about twice mounting platform makes operating efficiency reduce, and cost of labor increases; Separately, wherein a procedure installs out substandard products, and whole product can be caused just to have scrapped, and the defect rate of product is higher.
Summary of the invention
For the problems referred to above of prior art, the object of the present invention is to provide a kind of magnetic steel ring structure of wheel hub electric motor of electric vehicle, by the unitary design of magnetic steel ring, the installation that one procedure just can complete two procedures is originally fixed, and magnetic steel ring structure possesses in magnetic steel ring the function of pasting magnetic links and central supported reinforcement simultaneously.
Above-mentioned purpose is achieved through the following technical solutions:
The magnetic steel ring structure of wheel hub electric motor of electric vehicle, comprise the magnetic steel ring be arranged in electric vehicle hub, it is characterized in that: the top of described magnetic steel ring is divided into the annular sidewall pasting magnetic links, lower surface has an elongated end, described elongated end arrives hub centre ring position along wheel hub madial wall, and elongated end forms the bulge loop with support reinforcing effect together at hub centre ring position.
Further, described elongated end forms the arcwall face with wheel hub madial wall adhered shape from the lower surface of magnetic steel ring up to bulge loop.
Further, be fixedly connected with by welding manner between described magnetic steel ring and wheel hub.
Further, the two ends of described electric vehicle hub are formed towards in-flanges, and a side flanging and magnetic steel ring are welded and fixed.
The magnetic steel ring structure processing method of wheel hub electric motor of electric vehicle, following steps: 1. blank: prepare a circular magnetic steel ring blank in order to rotary pressing processing;
2. spinning wall thickness: blank is placed on the magnetic steel ring semi-finished product mould of spinning machine, start spinning machine after positioning compression, magnetic steel ring semi-finished product mould does gyration, and spinning roller does feed motion, spinning roller, from blank lower end up rotary pressing processing, makes blank lower end wall thickness in upper end; 3. shaping magnetic steel ring: the semi-finished product that 2. step obtains are taken out and is placed on magnetic steel ring shaper, spinning machine is started after positioning compression, magnetic steel ring shaper does gyration, spinning roller does feed motion, control spinning roller and rotary press modelling is carried out to semi-finished product, it is shaping magnetic steel ring external surface shape that spinning roller takes turns sharp movement locus, and magnetic steel ring shaper shape is shaping magnetic steel ring inner surface configuration;
install: shaping magnetic steel ring and wheel hub are installed, both contact-making surfaces is welded and fixed, completes installment work.
The steel ring integrator design of the magnetic steel ring that prior art Central Plains originally separates by the present invention and hub centre ring position, after forming the magnetic steel ring of integral type, possess magnetic steel ring simultaneously and paste the support steel ring that bulge loop that the upper end annular sidewall of magnetic links and lower surface extend out forms hub centre position, and then in installation procedure, only need a procedure just can realize the installation of magnetic steel ring and wheel hub, and then both contact-making surfaces are welded and fixed, complete installment work.The magnetic steel ring structure of integral type substantially increases operating efficiency, reduces cost of labor and product defect rate.
Accompanying drawing explanation
Fig. 1 is the structural representation of magnetic steel ring of the present invention and wheel hub;
Fig. 2 is the structure cutaway view of magnetic steel ring of the present invention and wheel hub;
Fig. 3 is partial enlarged drawing in Fig. 2 of the present invention;
Fig. 4 is process steps figure of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As Figure 1-4, the magnetic steel ring structure of wheel hub electric motor of electric vehicle, comprise the magnetic steel ring 1 be arranged in electric vehicle hub 2, the upper part 11 of described magnetic steel ring 1 is paste the annular sidewall of magnetic links, lower surface has an elongated end, described elongated end arrives wheel hub 2 centering ring position along wheel hub madial wall, and elongated end forms the bulge loop 12 with support reinforcing effect together in wheel hub 2 centering ring position.Described elongated end 12 forms the arcwall face 13 with wheel hub madial wall adhered shape from the lower surface of magnetic steel ring 1 up to bulge loop 12.Wherein arcwall face 13 lower end is provided with an annular protrusion step 131 near bulge loop place.Described magnetic steel ring 1 is fixedly connected with by welding manner with wheel hub 2.The two ends of wheel hub 2 are formed towards in-flanges 21, and a side flanging 21 is welded and fixed with magnetic steel ring 2.
The steel ring integrator design of the magnetic steel ring that prior art Central Plains originally separates by the present invention and hub centre ring position, after forming the magnetic steel ring of integral type, possess magnetic steel ring simultaneously and paste the support steel ring that bulge loop 12 that the upper part annular sidewall 11 of magnetic links and lower surface extend out forms hub centre position, and then in installation procedure, only need a procedure just can realize the installation of magnetic steel ring 1 and wheel hub 2, and then magnetic steel ring 1 and wheel hub 2 are welded and fixed, complete installment work.The magnetic steel ring structure of integral type substantially increases operating efficiency, reduces cost of labor and product defect rate.
As shown in Figure 4, the magnetic steel ring structure processing method of wheel hub electric motor of electric vehicle, following steps: 1. blank: prepare a circular magnetic steel ring blank in order to rotary pressing processing; Blank wall thickness dimension parameter is 7.5 ~ 8.5mm; 2. spinning wall thickness: blank is placed on the magnetic steel ring semi-finished product mould of spinning machine, spinning machine is started after positioning compression, magnetic steel ring semi-finished product mould does gyration, spinning roller does feed motion, spinning roller is from blank lower end up rotary pressing processing, make blank lower end wall thickness in upper end, now wall thickness dimensional parameters in upper end is 9.5 ~ 10.5mm; 3. shaping magnetic steel ring: the semi-finished product that 2. step obtains are taken out and is placed on magnetic steel ring shaper, spinning machine is started after positioning compression, magnetic steel ring shaper does gyration, spinning roller does feed motion, control spinning roller and rotary press modelling is carried out to semi-finished product, it is shaping magnetic steel ring external surface shape that spinning roller takes turns sharp movement locus, and magnetic steel ring shaper shape is shaping magnetic steel ring inner surface configuration;
install: shaping magnetic steel ring and wheel hub are installed, both contact-making surfaces is welded and fixed, completes installment work.
The above is only better embodiment of the present invention, every above principle is done according to know-why of the present invention any simple modification, equivalent variations or modification, still belong in the scope of technical solution of the present invention.
Claims (5)
1. the magnetic steel ring structure of wheel hub electric motor of electric vehicle, comprise the magnetic steel ring (1) be arranged in electric vehicle hub (2), it is characterized in that: the upper part (11) of described magnetic steel ring (1) is paste the annular sidewall of magnetic links, lower surface has an elongated end, described elongated end arrives hub centre ring position along wheel hub (2) madial wall, and elongated end forms the bulge loop (12) with support reinforcing effect together at hub centre ring position.
2. the magnetic steel ring structure of wheel hub electric motor of electric vehicle as claimed in claim 1, is characterized in that: described elongated end forms the arcwall face (13) with wheel hub (2) madial wall adhered shape from the lower surface of magnetic steel ring (1) up to bulge loop (12).
3. the magnetic steel ring structure of wheel hub electric motor of electric vehicle as claimed in claim 2, is characterized in that: described magnetic steel ring (1) is fixedly connected with by welding manner with wheel hub (2).
4. the magnetic steel ring structure of wheel hub electric motor of electric vehicle as claimed in claim 2, is characterized in that: the two ends of described electric vehicle hub are formed towards in-flanges, and a side flanging and magnetic steel ring are welded and fixed.
5. the magnetic steel ring structure processing method of wheel hub electric motor of electric vehicle, following steps: 1. blank: prepare a circular magnetic steel ring blank in order to rotary pressing processing;
2. spinning wall thickness: blank is placed on the magnetic steel ring semi-finished product mould of spinning machine, start spinning machine after positioning compression, magnetic steel ring semi-finished product mould does gyration, and spinning roller does feed motion, spinning roller, from blank lower end up rotary pressing processing, makes blank lower end wall thickness in upper end;
3. shaping magnetic steel ring: the semi-finished product that 2. step obtains are taken out and is placed on magnetic steel ring shaper, spinning machine is started after positioning compression, magnetic steel ring shaper does gyration, spinning roller does feed motion, control spinning roller and rotary press modelling is carried out to semi-finished product, it is shaping magnetic steel ring external surface shape that spinning roller takes turns sharp movement locus, and magnetic steel ring shaper shape is shaping magnetic steel ring inner surface configuration;
install: shaping magnetic steel ring and wheel hub are installed, both are welded and fixed, complete installment work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610010400.XA CN105515244A (en) | 2016-01-08 | 2016-01-08 | Magnetic steel ring structure of wheel hub motor of electric vehicle and machining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610010400.XA CN105515244A (en) | 2016-01-08 | 2016-01-08 | Magnetic steel ring structure of wheel hub motor of electric vehicle and machining method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105515244A true CN105515244A (en) | 2016-04-20 |
Family
ID=55722992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610010400.XA Pending CN105515244A (en) | 2016-01-08 | 2016-01-08 | Magnetic steel ring structure of wheel hub motor of electric vehicle and machining method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105515244A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713859A (en) * | 2019-01-29 | 2019-05-03 | 常州市华创电子设备有限公司 | A kind of patch magnet steel machine and its working method automatically |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2593447Y (en) * | 2002-12-17 | 2003-12-17 | 建准电机工业股份有限公司 | Rotor magnetic ring fastening structure |
| CN2758119Y (en) * | 2004-12-03 | 2006-02-15 | 张盈泉 | Wheel hub of electric vehicle brushless motor |
| CN202524199U (en) * | 2012-04-17 | 2012-11-07 | 天津市禧福珑电动自行车有限公司 | Outer rotor structure for motor of electric vehicle |
| CN203854411U (en) * | 2014-06-06 | 2014-10-01 | 左国刚 | Vehicle wheel with hub motor |
| US20150290970A1 (en) * | 2012-01-20 | 2015-10-15 | Chengdu Youyang Electromechanical Product Design Co., Ltd. | Wheel hub, wheel hub motor wheel, and electric vehicle |
| CN205283286U (en) * | 2016-01-08 | 2016-06-01 | 信质电机股份有限公司 | Magnet steel circle structure of electric motor car wheel hub motor |
-
2016
- 2016-01-08 CN CN201610010400.XA patent/CN105515244A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2593447Y (en) * | 2002-12-17 | 2003-12-17 | 建准电机工业股份有限公司 | Rotor magnetic ring fastening structure |
| CN2758119Y (en) * | 2004-12-03 | 2006-02-15 | 张盈泉 | Wheel hub of electric vehicle brushless motor |
| US20150290970A1 (en) * | 2012-01-20 | 2015-10-15 | Chengdu Youyang Electromechanical Product Design Co., Ltd. | Wheel hub, wheel hub motor wheel, and electric vehicle |
| CN202524199U (en) * | 2012-04-17 | 2012-11-07 | 天津市禧福珑电动自行车有限公司 | Outer rotor structure for motor of electric vehicle |
| CN203854411U (en) * | 2014-06-06 | 2014-10-01 | 左国刚 | Vehicle wheel with hub motor |
| CN205283286U (en) * | 2016-01-08 | 2016-06-01 | 信质电机股份有限公司 | Magnet steel circle structure of electric motor car wheel hub motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713859A (en) * | 2019-01-29 | 2019-05-03 | 常州市华创电子设备有限公司 | A kind of patch magnet steel machine and its working method automatically |
| CN109713859B (en) * | 2019-01-29 | 2023-08-29 | 常州市华创电子设备有限公司 | Automatic magnetic steel pasting machine and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 318000 Jiaojiang City, Zhejiang Province before the letter road, No. 28, Taizhou Applicant after: Long eagle letter quality Polytron Technologies Inc Address before: 318000 Jiaojiang City, Zhejiang Province before the letter road, No. 28, Taizhou Applicant before: Xingzhi Motor Co., Ltd. |
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| CB02 | Change of applicant information | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160420 |
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| WD01 | Invention patent application deemed withdrawn after publication |