JPS61262042A - Rotor for rotary electric machine - Google Patents
Rotor for rotary electric machineInfo
- Publication number
- JPS61262042A JPS61262042A JP10560985A JP10560985A JPS61262042A JP S61262042 A JPS61262042 A JP S61262042A JP 10560985 A JP10560985 A JP 10560985A JP 10560985 A JP10560985 A JP 10560985A JP S61262042 A JPS61262042 A JP S61262042A
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- fixed
- truss
- support column
- welded
- 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
Links
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
- H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、回転子スパイダに回転子鉄心を保持した回
転電機の回転子に関し、特に回転子スパイダの軽量化構
成にかかわる。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a rotor for a rotating electric machine in which a rotor core is held in a rotor spider, and particularly relates to a lightweight structure of the rotor spider.
この種の従来の回転子は、第６図及び第７因に正面図及
び側面断面図で示すようになっていた。This type of conventional rotor is shown in a front view and a side sectional view in FIGS. 6 and 7.
ス３にそれぞれ溶接固着された支持板、５はこれらの支
持板４の外周に軸方向にまたがシ溶接固着され、円周方
向に対し等間隔に配設された複数の結合部材で、外周に
ダブテール５ａが設けられている０６は双方の支持板４
間に溶接固着された複数の補強板である。Support plates 5 are welded and fixed to the outer peripheries of these support plates 4 in the axial direction, and are arranged at equal intervals in the circumferential direction. 06 is provided with a dovetail 5a on both support plates 4.
A plurality of reinforcing plates are welded and fixed in between.
上記のように構成された回転子スパイダ２は、各結合部
材δに回転子鉄心８をダブテール結合手段によシ保持し
ている。９は回転子鉄心８ｔ−締付ける１対のクランパ
である。The rotor spider 2 configured as described above has the rotor core 8 held on each coupling member δ by dovetail coupling means. 9 is a pair of clampers that clamp the rotor core 8t.
上記のように回転子鉄心８を保持した回転子スパイダ２
は、回転軸１に固着される。後、回転子鉄心のスロット
に回転子コイル（図示は略す）が挿入され、巻線される
。Rotor spider 2 holding rotor core 8 as described above
is fixed to the rotating shaft 1. After that, a rotor coil (not shown) is inserted into the slot of the rotor core and wound.
上記回転子の回転子スパイダ２には、電動機の場合は回
転子鉄心８側からの電磁力によるトルクが回転方向に作
用し、各結合部材５．支持板４゜ボス３を経て回転子Ｉ
Ｋ伝達される。回転電機が発電機の場合は回転軸１の方
からトルクが逆の順に伝達される。In the case of an electric motor, torque due to electromagnetic force from the rotor core 8 side acts on the rotor spider 2 of the rotor in the rotation direction, and each coupling member 5. Rotor I via support plate 4゜boss 3
K is transmitted. When the rotating electrical machine is a generator, torque is transmitted from the rotating shaft 1 in the reverse order.
また、回転子には負荷の条件によっては軸方向の衝撃力
が加わることがある。これに対しては補強板６により、
軸方向に対する剛性を上は強度を増すことによシ対処し
ていた。Furthermore, an impact force in the axial direction may be applied to the rotor depending on load conditions. In response to this, the reinforcing plate 6
Increased rigidity in the axial direction was addressed by increasing strength.
上記従来の回転子では、支持板４及び補強板６は板材で
あシ、重量が増大し、また、回転慣性が大きくなってい
た。さらに、通風冷却のため、各支持板４に通風穴を加
工する必要があシ、通風冷却を阻害していた。In the conventional rotor described above, the support plate 4 and the reinforcing plate 6 are made of plate materials, which increases the weight and rotational inertia. Furthermore, ventilation holes must be formed in each support plate 4 for ventilation cooling, which obstructs ventilation cooling.
この発明は、このような問題点を解決するためになされ
たもので、回転子スパイダの重量及び回転慣性を低減し
、通風冷却を容易にした回転電機の回転子を得ることを
目的としている。The present invention was made to solve these problems, and aims to provide a rotor for a rotating electrical machine that reduces the weight and rotational inertia of the rotor spider and facilitates ventilation cooling.
この発明にかかる回転子は、複数のボスに固着され、ト
ラス構造で補強された複数の支持柱に結合部材を固着し
て回転子スパイダを構成したものである。In the rotor according to the present invention, a rotor spider is formed by fixing a coupling member to a plurality of support columns that are fixed to a plurality of bosses and reinforced with a truss structure.
この発明においては、結合部材を固着する各支持柱がト
ラス構造でボスに結合固着されてあシ、回転方向のトル
クに対しても、軸方向の衝撃力に対しても剛性及び強度
が高くでき、軽量になり、通風抵抗が低減される。In this invention, each support column that fixes the coupling member is fixedly coupled to the boss in a truss structure, and has high rigidity and strength against torque in the rotational direction and impact force in the axial direction. , lighter weight and reduced ventilation resistance.
第１図及び第２図は、この発明による回転子の一実施例
を示す正面図及び側面断面図であ夛、１゜３．５，５ａ
、８，９は上記従来の回転子と同一のものである。回転
子スパイダ１２には、各ボス３に各結合部材５がトラス
構造を介し固着されている０１３は各ボス３の外周に放
射状に溶接固着された複数本宛の支持柱で、先端に結合
部材５を軸方向にわたし溶接固着している。１４は゛各
支持柱１３の先端部とボス３の外周とに傾斜してわたさ
れ溶接固着された複数本の補強棒で、支持柱１３とで円
周方向に対するトラスを構成している。１５は一方向に
隣接する一方の支持柱１３の先端部と他方の支持柱１３
の根元側のボス３外周とにわたされ溶接固着された複数
本の補強棒、１６及び１７は他方の支持柱１３の先端部
と一方の支持柱１３の根元側のボス３外周とＫかけて配
設され、補強棒１６に×状に接し溶接固着された複数本
の補強棒である。これら各支持柱１３と各補強棒１５〜
１７により、軸方向に対するトラスを構成している。Figures 1 and 2 are a front view and a side sectional view showing an embodiment of the rotor according to the present invention.
, 8 and 9 are the same as the conventional rotor described above. In the rotor spider 12, each coupling member 5 is fixed to each boss 3 via a truss structure. Reference numeral 013 is a support column for multiple pieces fixed by welding radially to the outer periphery of each boss 3, and the coupling member 5 is attached at the tip. 5 is welded and fixed in the axial direction. Reference numeral 14 denotes a plurality of reinforcing rods which are extended obliquely to the tip of each support column 13 and the outer periphery of the boss 3 and fixed by welding, and together with the support column 13 constitutes a truss in the circumferential direction. Reference numeral 15 indicates the tip of one support column 13 and the other support column 13 adjacent in one direction.
A plurality of reinforcing rods 16 and 17 are welded and fixed across the outer periphery of the boss 3 on the root side, and are connected to the tip of the other support column 13 and the outer periphery of the boss 3 on the root side of one support column 13. A plurality of reinforcing rods are arranged and welded and fixed to the reinforcing rod 16 in an x-shape. Each of these support columns 13 and each reinforcing rod 15~
17 constitutes a truss in the axial direction.
上記支持柱１３と補強棒１４〜１７によるトラス構成を
、第３図に斜視図で示す。A truss structure including the support column 13 and reinforcing rods 14 to 17 is shown in a perspective view in FIG.
上記のように構成された回転子スパイダ１２において、
円周方向のトルクに対しては、支持柱１３と補強棒１４
とによるトラスによ９強度高く受け、結合部材５とボス
３間の伝達を確実にする。また、軸方向の衝撃に対して
は、支持柱１３と補強棒１５〜１７とによるトラスによ
シ強度高く受けられる。In the rotor spider 12 configured as described above,
For torque in the circumferential direction, support columns 13 and reinforcing rods 14
The truss is supported with high strength by the truss to ensure transmission between the connecting member 5 and the boss 3. Moreover, the truss formed by the support column 13 and the reinforcing rods 15 to 17 can withstand the impact in the axial direction with high strength.
また、冷却風は各支持柱１３と各補強棒１４との大きな
すき間を通ることにより、通風抵抗が小さくなり風量が
増大される。In addition, the cooling air passes through large gaps between each support column 13 and each reinforcing rod 14, thereby reducing ventilation resistance and increasing the amount of air.
第４図及び第５図はこの発明の他の実施例を示す回転子
スパイダの平面図及び側面断面図である。4 and 5 are a plan view and a side sectional view of a rotor spider showing another embodiment of the present invention.
回転子スパイダ１８の各支持柱１３は、一方の支持柱１
３の先端部と隣接する他方のボス３外周の円周方向に広
げた箇所とＫわたされ溶接固着された複数本宛の円周方
向の両側の補強棒１９及び２０ 、２１による、円周方
向と軸方向とを兼用した立体的トラス構成により補強さ
れている。Each support column 13 of the rotor spider 18 is connected to one of the support columns 1
The reinforcing rods 19, 20, 21 on both sides in the circumferential direction are connected to the circumferentially expanded part of the outer periphery of the other boss 3 adjacent to the tip of the boss 3, and are fixed by welding. It is reinforced by a three-dimensional truss structure that serves both the and axial directions.
こうして、円周方向トルク及び軸方向力に対ム十分な剛
性と強度をもたしている。This provides sufficient rigidity and strength to withstand circumferential torque and axial force.
なお、第５図のトラス構成において、強度が十分の場合
は、Ａ、Ｂ、Ｃ，Ｄの箇所の各補強棒２０゜２１を省い
てもよい。In addition, in the truss configuration shown in FIG. 5, if the strength is sufficient, the reinforcing rods 20 and 21 at locations A, B, C, and D may be omitted.
また、上記実施例では結合部材５にダブテール５ａを設
け、回転子鉄心８にダブテール溝を設けたが、結合部材
にダブテール溝を設け、回転子鉄心にダブテールを設け
た場合にも適用できるものである。Further, in the above embodiment, the coupling member 5 is provided with a dovetail 5a and the rotor core 8 is provided with a dovetail groove, but the present invention can also be applied to a case where a dovetail groove is provided in the coupling member and a dovetail is provided in the rotor core. be.
以上のように、この発明によれば、複数のボスに立体ト
ラス構造を介し結合部材を固着して回転子スパイダを構
成しておシ、軽量で回転慣性が低減され、しかも、高い
剛性と強度が得られ、また、冷却風の通風抵抗が低下さ
れる。As described above, according to the present invention, a rotor spider is constructed by fixing a connecting member to a plurality of bosses via a three-dimensional truss structure, which is lightweight and has reduced rotational inertia, and has high rigidity and strength. is obtained, and the ventilation resistance of cooling air is reduced.
第１図及び第２図はこの発明による回転子の一実施例を
示す正面図及び側面断面図、第３図は第２図の回転子ス
パイダのトラス構成部の拡大斜視図、第４図はこの発明
の他の実施例を示す回転子スパイダの一部の平面図、第
５図は第４図のＶ−Ｖ線における断面図、第６図及び第
７図は従来の回転子の正面図及び側面断面図である。
１・・・回転軸、３・・・ボス、５・・・結合部材、８
・・・回転子鉄心、１２・・・回転子スパイダ、１３・
・・支持柱、１４〜１７・・・補強棒、１８・・・回転
子スパイダ、１９〜２１・・・補強棒1 and 2 are a front view and a side sectional view showing an embodiment of the rotor according to the present invention, FIG. 3 is an enlarged perspective view of the truss component of the rotor spider of FIG. 2, and FIG. A plan view of a part of a rotor spider showing another embodiment of the present invention, FIG. 5 is a sectional view taken along the line V-V in FIG. 4, and FIGS. 6 and 7 are front views of a conventional rotor. and a side sectional view. DESCRIPTION OF SYMBOLS 1...Rotating shaft, 3...Boss, 5...Connecting member, 8
...Rotor core, 12...Rotor spider, 13.
...Support column, 14-17...Reinforcement rod, 18...Rotor spider, 19-21...Reinforcement rod
Claims (4)
に放射状に固着された複数本宛の支持柱と、これらの支
持柱の先端に軸方向にまたがり固着され、円周方向に対
し等間隔に配設された複数本の結合部材と、これらの支
持柱の先端側と上記ボスとの間にそれぞれわたされて溶
接固着され、各支持柱に対し円周方向のトラスと軸方向
のトラスをそれぞれ構成する複数本宛の補強棒とから構
成された回転子スパイダを備え、この回転子スパイダの
上記各結合部材に回転子鉄心をはめ込み保持し、上記回
転子スパイダを回転軸に固着してなる回転電機の回転子
。(1) A plurality of bosses arranged in the axial direction, support columns for multiple pieces fixed radially to these bosses, and fixed to the tips of these support columns straddling the axial direction and arranged in the circumferential direction. A plurality of connecting members arranged at equal intervals are welded and fixed between the tips of these support columns and the boss, and each support column has a truss in the circumferential direction and a truss in the axial direction. A rotor spider is provided with a plurality of reinforcing rods each constituting a truss, a rotor core is fitted and held in each of the coupling members of the rotor spider, and the rotor spider is fixed to a rotating shaft. The rotor of a rotating electric machine.
端側とこの支持柱の根元から円周方向に間隔をあけボス
の外周との間にわたされ固着された補強棒とからなる特
許請求の範囲第１項記載の回転電機の回転子。(2) A circumferential truss consists of a support column and a reinforcing rod that is fixed and passed between the tip of the support column and the outer periphery of the boss at intervals in the circumferential direction from the base of the support column. A rotor for a rotating electric machine according to claim 1.
柱と、これらの支持柱の先端側と互いに他方の支持柱の
根元部のボスの外周とにわたされ溶接固着された複数本
の補強材とからなる特許請求の範囲第１項記載の回転電
機の回転子。(3) An axial truss is a plurality of trusses that are welded and fixed across both axially adjacent support columns, the tips of these support columns, and the outer periphery of the boss at the root of the other support column. A rotor for a rotating electrical machine according to claim 1, comprising a reinforcing material.
隣接する双方の支持柱と、これらの支持柱の先端部と互
いに他方の支持柱の根元部から円周方向に間隔をあけボ
スの外周とにわたされ溶接固着された、円周方向に対し
両側１対宛の複数の補強材とからなり、立体トラスに構
成された特許請求の範囲第１項記載の回転電機の回転子
。(4) The circumferential truss and the axial truss are spaced circumferentially from both axially adjacent support columns, the tips of these support columns, and the root of the other support column. A rotor of a rotating electric machine according to claim 1, which is configured as a three-dimensional truss, and is composed of a plurality of reinforcing members, one pair on each side in the circumferential direction, which are welded and fixed to the outer periphery of the boss. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10560985A JPS61262042A (en) | 1985-05-15 | 1985-05-15 | Rotor for rotary electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10560985A JPS61262042A (en) | 1985-05-15 | 1985-05-15 | Rotor for rotary electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61262042A true JPS61262042A (en) | 1986-11-20 |
Family
ID=14412241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10560985A Pending JPS61262042A (en) | 1985-05-15 | 1985-05-15 | Rotor for rotary electric machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61262042A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006271139A (en) * | 2005-03-25 | 2006-10-05 | Meidensha Corp | Low inertia rotor of permanent magnet-type rotary electric machine, motor provided with the same, and dynamo |
| JP2012085408A (en) * | 2010-10-08 | 2012-04-26 | Yaskawa Electric Corp | Rotary electric machine, wind power generation system, and rotor for use in rotary electric machine |
| WO2014022273A2 (en) * | 2012-07-30 | 2014-02-06 | Boulder Wind Power, Inc. | Structure for an electromagnetic machine having compression and tension members |
| WO2023150063A1 (en) * | 2022-02-03 | 2023-08-10 | Moog Inc. | Motor and housing assembly |
-
1985
- 1985-05-15 JP JP10560985A patent/JPS61262042A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006271139A (en) * | 2005-03-25 | 2006-10-05 | Meidensha Corp | Low inertia rotor of permanent magnet-type rotary electric machine, motor provided with the same, and dynamo |
| JP2012085408A (en) * | 2010-10-08 | 2012-04-26 | Yaskawa Electric Corp | Rotary electric machine, wind power generation system, and rotor for use in rotary electric machine |
| WO2014022273A2 (en) * | 2012-07-30 | 2014-02-06 | Boulder Wind Power, Inc. | Structure for an electromagnetic machine having compression and tension members |
| WO2014022273A3 (en) * | 2012-07-30 | 2014-12-04 | Boulder Wind Power, Inc. | Structure for an electromagnetic machine having compression and tension members |
| WO2023150063A1 (en) * | 2022-02-03 | 2023-08-10 | Moog Inc. | Motor and housing assembly |
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