CN204967445U - High speed motor's rotor punching - Google Patents
High speed motor's rotor punching Download PDFInfo
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- CN204967445U CN204967445U CN201520742062.XU CN201520742062U CN204967445U CN 204967445 U CN204967445 U CN 204967445U CN 201520742062 U CN201520742062 U CN 201520742062U CN 204967445 U CN204967445 U CN 204967445U
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Abstract
The utility model discloses a high speed motor's rotor punching, it includes the body, be provided with a plurality of slot structure on the body, slot structure has notch and conducting bar groove, the one side in conducting bar groove is provided with first spacing limit, the opposite side in conducting bar groove is provided with the spacing limit of second, one side of notch has first notch limit, the opposite side of notch has second notch limit, and first notch limit and first spacing limit and second notch limit and the spacing limit of second all are the biasing column structure to biasing orientation between first notch limit and the first spacing limit is the same with the biasing orientation between second notch limit and the spacing limit of second, and first notch limit is connected through first sideslip limit and first spacing limit, and second notch limit is passed through second sideslip limit and is connected with second spacing limit. The utility model discloses can improve the mechanical strength of notch, guarantee the leakage reactance of rotor punching, avoid the notch to produce and warp the phenomenon that leads to the conducting bar departure, reduce the design degree of difficulty of high speed motor rotor punching.
Description
Technical field
The utility model relates to a kind of rotor punching of high-speed electric expreess locomotive.
Background technology
At present, rotor punching notch adopts the structure of semi-enclosed slot, for high-speed electric expreess locomotive, time rotor rotates, sliver in rotor punching groove can produce centrifugal force, acts on the notch of rotor punching grooved, and therefore the notch design of rotor punching needs to consider its mechanical strength, rotor notch leakage reactance is the important component part of rotor leakage reactance in addition, will consider its impact on rotor leakage reactance when carrying out the notch design of rotor punching equally.
In time will passing through the mechanical strength increasing notch height and then raising notch, width of rebate needs to scale up guarantee leakage reactance simultaneously, and the increase of width of rebate decreases the contact area of rotor bar and notch, the centrifugal force that rotor bar is produced because of motor High Rotation Speed causes larger pressure to notch, notch stress is increased, more causes slot bar to fly out it is a risk that notch produces distortion.
The problem that notch leakage reactance and notch mechanical strength can not be taken into account can be faced when therefore adopting the high-speed electric expreess locomotive of semi-enclosed slot to design, cause design to need significantly to adjust, even can not obtain satisfied design.
Summary of the invention
Technical problem to be solved in the utility model is the defect overcoming prior art, a kind of rotor punching of high-speed electric expreess locomotive is provided, it can improve the mechanical strength of notch, ensure the leakage reactance of rotor punching, avoid notch to produce the phenomenon of being out of shape and causing sliver to fly out, reduce the design difficulty of high-speed motor rotor stamped piece.
In order to solve the problems of the technologies described above, the technical solution of the utility model is: a kind of rotor punching of high-speed electric expreess locomotive, it comprises body, described body is provided with multiple notch arrangement, described notch arrangement has notch and sliver groove, the side of described sliver groove is provided with the first position-limited edge, the opposite side of described sliver groove is provided with the second position-limited edge, the side of described notch has the first notch limit, the opposite side of described notch has the second notch limit, first notch limit and the first position-limited edge and the second notch limit and the second position-limited edge are all in biased shape structure, and the biased direction between the first notch limit and the first position-limited edge is identical with the biased direction between the second notch limit and the second position-limited edge, first notch limit is connected with the first position-limited edge by the first traversing limit, second notch limit is connected with the second position-limited edge by the second traversing limit, thus the bottom of described notch is connected with the top of sliver groove.
Further, described first position-limited edge and the second position-limited edge distance between notch forms sliver groove width f, the height on the second notch limit forms the right notch height d of notch, the slot leakage permeance of described notch is m, distance between first notch limit and the second notch limit forms the slot opening a of notch, and a=d/m.
Further, the length e=0.45f ~ 0.6f on described second traversing limit.
Further, described right notch height d=0.6e ~ 0.8e.
Further, the length c=a+e-f on described first traversing limit, and c≤0.3f.
Further, the height on described first notch limit forms the left notch height b of notch, and b=1.15f ~ 1.25f.
The utility model additionally provides a kind of method for designing of rotor punching of high-speed electric expreess locomotive, and the step of the method is as follows:
A () passes through computing formula: e=0.45f ~ 0.6f, obtains the length e on the second traversing limit;
B () passes through computing formula: d=0.4e ~ 0.8e, obtains the right notch height d of notch;
C () passes through computing formula: a=d/m, obtains the slot opening a of notch;
D () passes through computing formula: c=a+e-f, and guarantees c≤0.3f, obtains the length c on the first traversing limit;
E () passes through computing formula: b=1.15f ~ 1.25f, obtains the height b on the first notch limit;
F () is according to each parameter, this rotor punching of three-dimensional modeling in rotor punching design software, and the mechanical strength of the notch of rotor punching is calibrated, by the adjustment right notch height d of notch and the length e on the second traversing limit, thus the mechanical strength of the notch of rotor punching is met the demands.
Further, in described step (f), when the mechanical strength coefficient of safety of notch is on the low side, by increasing the right notch height d of notch and the length e on the second traversing limit, heighten the mechanical strength coefficient of safety of notch.
Further, in described step (b), when the rotating speed of the high-speed electric expreess locomotive designed is higher, choose the higher value in the right notch height d of notch; When the rotating speed of the high-speed electric expreess locomotive designed is lower, choose the smaller value in the right notch height d of notch.
After have employed technique scheme, the utility model is by being biased notch and sliver mouth, again by rationally arranging the slot opening of notch and the ratio on the second lateral shift limit, by strengthening slot opening and the second lateral shift limit, its notch is made to meet mechanical strength, thus avoid notch to produce the phenomenon of being out of shape and causing sliver to fly out, the rotor punching of this structure can take into account mechanical strength and the leakage reactance selection of punching notch simultaneously, notch mechanical strength is high, reduces the design difficulty of high-speed motor rotor stamped piece; In addition, adopt the motor of the utility model rotor punching, through verification experimental verification, rotor punching intensity meets the demands, and electromagnetic performance is excellent.
Accompanying drawing explanation
Fig. 1 is the structural representation of the rotor punching of high-speed electric expreess locomotive of the present utility model.
Embodiment
In order to make content of the present utility model more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail.
As shown in Figure 1, a kind of rotor punching of high-speed electric expreess locomotive, it comprises body, described body is provided with multiple notch arrangement, described notch arrangement has notch 10 and sliver groove 20, the side of described sliver groove 20 is provided with the first position-limited edge 201, the opposite side of described sliver groove 20 is provided with the second position-limited edge 202, the side of described notch 10 has the first notch limit 102, the opposite side of described notch 10 has the second notch limit 104, first notch limit 102 and the first position-limited edge 201 and the second notch limit 104 and the second position-limited edge 202 are all in biased shape structure, and the biased direction between the first notch limit 102 and the first position-limited edge 201 is identical with the biased direction between the second notch limit 104 and the second position-limited edge 202, first notch limit 102 is connected with the first position-limited edge 201 by the first traversing limit 103, second notch limit 104 is connected with the second position-limited edge 202 by the second traversing limit 105, thus the bottom of described notch 10 is connected with the top of sliver groove 20.
The slot leakage permeance of described notch 10 is m, the height on the second notch limit 104 forms the right notch height d of notch 10, described first position-limited edge 201 and the second position-limited edge 202 distance between notch forms sliver groove width f, distance between first notch limit 102 and the second notch limit 104 forms the slot opening a of notch 10, and a=d/m.
Length e=0.45f ~ the 0.6f on described second traversing limit 105.
Right notch height d=0.6e ~ 0.8e.
The length c=a+e-f on the first traversing limit 103, and c≤0.3f.
The height on the first notch limit 102 forms the left notch height b of notch 10, and b=1.15f ~ 1.25f.
A kind of step of method for designing of rotor punching of high-speed electric expreess locomotive is as follows:
A () passes through computing formula: e=0.45f ~ 0.6f, obtains the length e on the second traversing limit 105;
B () passes through computing formula: d=0.4e ~ 0.8e, obtains the right notch height d of notch 10;
C () passes through computing formula: a=d/m, obtains the slot opening a of notch 10;
D () passes through computing formula: c=a+e-f, and guarantees c≤0.3f, obtains the length c on the first traversing limit 103;
E () passes through computing formula: b=1.15f ~ 1.25f, obtains the height b on the first notch limit 102;
F () is according to each parameter, this rotor punching of three-dimensional modeling in rotor punching design software, and the mechanical strength of the notch of rotor punching is calibrated, by the adjustment right notch height d of the notch 10 and length e on the second traversing limit 105, thus the mechanical strength of the notch of rotor punching is met the demands.
In step (f), when the mechanical strength coefficient of safety of notch 10 is on the low side, by increasing the right notch height d of the notch 10 and length e on the second traversing limit 105, heighten the mechanical strength coefficient of safety of notch 10.
In step (b), when the rotating speed of the high-speed electric expreess locomotive designed is higher, choose the higher value in the right notch height d of notch 10; When the rotating speed of the high-speed electric expreess locomotive designed is lower, choose the smaller value in the right notch height d of notch 10.
Above-described specific embodiment; technical problem, technical scheme and beneficial effect that the utility model solves are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (7)
1. the rotor punching of a high-speed electric expreess locomotive, it is characterized in that, it comprises body, described body is provided with multiple notch arrangement, described notch arrangement has notch (10) and sliver groove (20), the side of described sliver groove (20) is provided with the first position-limited edge (201), the opposite side of described sliver groove (20) is provided with the second position-limited edge (202), the side of described notch (10) has the first notch limit (102), the opposite side of described notch (10) has the second notch limit (104), first notch limit (102) and the first position-limited edge (201) and the second notch limit (104) and the second position-limited edge (202) are all in biased shape structure, and the biased direction between the first notch limit (102) and the first position-limited edge (201) is identical with the biased direction between the second notch limit (104) and the second position-limited edge (202), first notch limit (102) is connected with the first position-limited edge (201) by the first traversing limit (103), second notch limit (104) is connected with the second position-limited edge (202) by the second traversing limit (105), thus the bottom of described notch (10) is connected with the top of sliver groove (20).
2. the rotor punching of high-speed electric expreess locomotive according to claim 1, it is characterized in that: described first position-limited edge (201) and the distance of the second position-limited edge (202) between notch form sliver groove width f, the height on the second notch limit (104) forms the right notch height d of notch (10), the slot leakage permeance of described notch (10) is m, distance between first notch limit (102) and the second notch limit (104) forms the slot opening a of notch (10), and a=d/m.
3. the rotor punching of high-speed electric expreess locomotive according to claim 2, is characterized in that: the length e=0.45f ~ 0.6f on described second traversing limit (105).
4. the rotor punching of high-speed electric expreess locomotive according to claim 3, is characterized in that: described right notch height d=0.6e ~ 0.8e.
5. the rotor punching of the high-speed electric expreess locomotive according to claim 3 or 4, is characterized in that: the length c=a+e-f on described first traversing limit (103), and c≤0.3f.
6. the rotor punching of high-speed electric expreess locomotive according to claim 5, is characterized in that: the height on described first notch limit (102) forms the left notch height b of notch (10), and b=1.15f ~ 1.25f.
7. the rotor punching of the high-speed electric expreess locomotive according to Claims 2 or 3 or 4, is characterized in that: the height on described first notch limit (102) forms the left notch height b of notch (10), and b=1.15f ~ 1.25f.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520742062.XU CN204967445U (en) | 2015-09-23 | 2015-09-23 | High speed motor's rotor punching |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520742062.XU CN204967445U (en) | 2015-09-23 | 2015-09-23 | High speed motor's rotor punching |
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| CN204967445U true CN204967445U (en) | 2016-01-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119407A (en) * | 2015-09-23 | 2015-12-02 | 新誉轨道交通科技有限公司 | Rotor punching sheet of high-speed motor and design method thereof |
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2015
- 2015-09-23 CN CN201520742062.XU patent/CN204967445U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119407A (en) * | 2015-09-23 | 2015-12-02 | 新誉轨道交通科技有限公司 | Rotor punching sheet of high-speed motor and design method thereof |
| CN105119407B (en) * | 2015-09-23 | 2017-08-04 | 新誉轨道交通科技有限公司 | The rotor punching and its design method of high-speed electric expreess locomotive |
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