JPH02211053A - Rotor of superconducting rotary electric machine and manufacture thereof - Google Patents

Rotor of superconducting rotary electric machine and manufacture thereof

Info

Publication number
JPH02211053A
JPH02211053A JP63320425A JP32042588A JPH02211053A JP H02211053 A JPH02211053 A JP H02211053A JP 63320425 A JP63320425 A JP 63320425A JP 32042588 A JP32042588 A JP 32042588A JP H02211053 A JPH02211053 A JP H02211053A
Authority
JP
Japan
Prior art keywords
upper insulating
insulating material
coil mounting
mounting shaft
superconducting
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
Application number
JP63320425A
Other languages
Japanese (ja)
Inventor
Yasuhiro Nagata
永田　靖弘
Toshiki Hirao
平尾　俊樹
Koichi Oshita
幸一 大下
Masao Shibamaru
芝丸　雅夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHIYOUDENDOU HATSUDEN KANREN KIKI ZAIRYO GIJUTSU KENKYU KUMIAI
Chodendo Hatsuden Kanren Kiki Zairyo Gijutsu Kenkyu Kumiai
Original Assignee
CHIYOUDENDOU HATSUDEN KANREN KIKI ZAIRYO GIJUTSU KENKYU KUMIAI
Chodendo Hatsuden Kanren Kiki Zairyo Gijutsu Kenkyu Kumiai
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CHIYOUDENDOU HATSUDEN KANREN KIKI ZAIRYO GIJUTSU KENKYU KUMIAI, Chodendo Hatsuden Kanren Kiki Zairyo Gijutsu Kenkyu Kumiai filed Critical CHIYOUDENDOU HATSUDEN KANREN KIKI ZAIRYO GIJUTSU KENKYU KUMIAI
Priority to JP63320425A priority Critical patent/JPH02211053A/en
Publication of JPH02211053A publication Critical patent/JPH02211053A/en
Pending legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment

Landscapes

  • Superconductive Dynamoelectric Machines (AREA)

Abstract

PURPOSE:To promote the work efficiency of mounting work by fixing upper insulating materials to coil mounting shafts by upper insulating material fixing means. CONSTITUTION:Lower insulating materials 28 and slot insulating materials 30 are loaded to the bottoms and wall surfaces of slots 18 of coil mounting shafts, and superconducting magnetic field coils 25 are loaded into them. Upper insulating materials 29 are arranged to the peripheral sides of the superconducting magnetic field coils 25, and they are pushed down by a cylindri cal body 31 through an upper insulating material hold-down section to provide the superconducting magnetic field coils with plane pressure. Before the machin ing of the coil mounting shafts 2, the upper insulating materials 29 are held by holding jigs 32, and the holding jigs 32 are loaded to a holding jig grooves formed in the circumferential direction of the outer peripheral surfaces of the coil mounting shafts to fix them with a clamping bolt 22. According to the constitution, the surfaces of the coil mounting shafts 2 can be easily machined.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、超電導回転電機の回転子、特（こ超電導界
磁コイルをコイル取付軸に、保持する構造に関するもの
である。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a rotor of a superconducting rotating electric machine, and particularly to a structure for holding a superconducting field coil on a coil mounting shaft.

〔従来の技術〕[Conventional technology]

従来、この種の一般的な回転子として例えば特開昭６１
−１８８４６号公報に開示された第１０図に示すものが
あった。第１０図において、（１）はトルクチューブ、
（２）はトルクチューブ（１）の中央部を形成するコイ
ル取付軸、（３）はコイル取付軸（２）、に固定されて
いる超電導界磁コイル、（４）はトルクチューブ（１）
とコイル取付軸（２）を囲繞する常温ダンパ、（５）は
この常温ダンパ（４）とコイル取付軸（２）の間に配設
されている低温ダンパ、（６）及び（ア）はコイル取付
軸（２）のそれぞれ外周部及び側面部に取り付けられた
ヘリウム外筒及びヘリウム端板、（８）及び（９）はそ
れぞれ駆動側、反駆動側端部軸、（１０）はこれらの端
部軸（８）　、（９）を軸支する軸受、（１１）は界磁
電流供給用のスリップリング、（１２）はトルクチュー
ブ（１）に形成或いは配置されている熱交換器、（１３
）は側部幅対シールド、（１４）は真空部である。Conventionally, as a general rotor of this kind, for example, Japanese Patent Application Laid-open No. 61
There was one shown in FIG. 10 disclosed in Japanese Patent No.-18846. In Fig. 10, (1) is a torque tube;
(2) is the coil mounting shaft that forms the center of the torque tube (1), (3) is the superconducting field coil fixed to the coil mounting shaft (2), and (4) is the torque tube (1).
and a room-temperature damper surrounding the coil mounting shaft (2), (5) a low-temperature damper disposed between this room-temperature damper (4) and the coil mounting shaft (2), and (6) and (A) the coils. Helium outer cylinder and helium end plate attached to the outer periphery and side surface of the mounting shaft (2), (8) and (9) are drive side and non-drive side end shafts, respectively, and (10) is these ends. Bearings that support the shafts (8) and (9), (11) a slip ring for supplying field current, (12) a heat exchanger formed or placed on the torque tube (1), (13)
) is the side width versus shield, and (14) is the vacuum section.

上記構成からなる超電導回転電機の回転子においては、
コイル取付軸（２）に配設されている超電導界磁コイル
（３）を極低温に冷却することにより、電気抵抗を零の
状態とし、励磁損失をなくすことにより、この超電導界
磁コイル（３）に強力な磁界を発生させ、固定子（図示
せず）に交流電力を発生させる。この超電導界磁コイル
（３）を極低温に冷却、保持するために液体ヘリウムを
反駆動側端部軸（９）の中央部から導入管（図示せず）
を通じ、ヘリウム外筒（６）、ヘリウム端板（７）によ
り形成される液体ヘリウム容器部に供給する。一方、回
転子内部を真空部（１０により高真空に保つと共に、極
低温の超電導界磁コイル（３）及びコイル取付軸（２）
に回転トルクを伝えるトルクチューブ（１）を薄肉円筒
とし、且つ熱交換器（１２）を設け、このトルクチュー
ブ（１）を通じ極低温部に侵入する熱を極力減らすよう
になっている。また、側面からの輻射により侵入する熱
を低減するため、側部輻射シールド（１３）が設けられ
ている。In the rotor of the superconducting rotating electric machine having the above configuration,
By cooling the superconducting field coil (3) disposed on the coil mounting shaft (2) to an extremely low temperature, the electrical resistance becomes zero and excitation loss is eliminated. ) to generate a strong magnetic field, and a stator (not shown) to generate alternating current power. In order to cool and maintain this superconducting field coil (3) at an extremely low temperature, liquid helium is introduced from the center of the non-drive side end shaft (9) through a tube (not shown).
The liquid helium is supplied to a liquid helium container portion formed by a helium outer cylinder (6) and a helium end plate (7). On the other hand, the interior of the rotor is maintained at a high vacuum by the vacuum section (10), and the superconducting field coil (3) at an extremely low temperature and the coil mounting shaft (2)
The torque tube (1) that transmits rotational torque to the rotor is made of a thin-walled cylinder, and a heat exchanger (12) is provided to reduce as much as possible the heat that enters the cryogenic part through the torque tube (1). Additionally, a side radiation shield (13) is provided to reduce heat entering due to radiation from the sides.

一方、常温ダンパ（４）及び低温ダンパ（５）は、固定
子からの高調波磁界をシールドし、超電導界磁コイル（
３）を保護すると共に、電力系統のしよう乱による回転
子振動を減衰させる機能を有する一方、常温ダンパ（４
）は真空外筒としての機能、低温ダンパ（５）はヘリウ
ム容器部への輻射シールドとしての機能を兼ねる。尚、
第１図においては、回転子内部のヘリウム導入、排出系
を構成する配管類及び回転子に接続されているヘリウム
導入、排出装置は省略している。On the other hand, the normal temperature damper (4) and the low temperature damper (5) shield the harmonic magnetic field from the stator, and the superconducting field coil (
3) and has the function of damping rotor vibrations caused by disturbances in the power system.
) functions as a vacuum outer cylinder, and the low-temperature damper (5) also functions as a radiation shield for the helium container. still,
In FIG. 1, piping constituting a helium introduction and discharge system inside the rotor and a helium introduction and discharge device connected to the rotor are omitted.

第１１図は第１０図のＸＩ−ｎ線に沿う断面図を示し、
（１５）は楔、（１８）はコイル取付軸（２）の表面に
軸方向に形成されたスロット、（１９）はスロット内絶
縁スペーサ、（２０）は上部絶縁スペーサである。FIG. 11 shows a sectional view taken along the line XI-n in FIG. 10,
(15) is a wedge, (18) is a slot formed in the axial direction on the surface of the coil mounting shaft (2), (19) is an insulating spacer in the slot, and (20) is an upper insulating spacer.

この構成において、超電導界磁コイル（３）は、Ａ−Ａ
線を取り巻くように巻回しており、従って、Ａ−Ａ線を
極中心として強力な界磁を発生する。In this configuration, the superconducting field coil (3) is A-A
It is wound around the wire, and therefore generates a strong magnetic field with the A-A wire as the pole center.

楔（１５）は超電導界磁コイル（３）をスロット（１８
）内に堅固に保持するように打ち込まれている。The wedge (15) connects the superconducting field coil (3) to the slot (18
) is hammered in to hold it firmly in place.

第１２図はコイル取付軸端部を示す斜視図、第１３図は
第１２図のｘｍ−ｘｍ線における断面図であり、図にお
いて、（２１）は下部絶縁スペーサ、（２２）はコイル
取付軸（２）のスロット（１８）とコイル取付軸（２）
の軸中心内部の液体ヘリウムの液溜め部（図示せず）と
に連通して設けられたヘリウム流通孔である。Fig. 12 is a perspective view showing the end of the coil mounting shaft, and Fig. 13 is a sectional view taken along the xm-xm line in Fig. 12. In the figure, (21) is the lower insulating spacer, and (22) is the coil mounting shaft. (2) slot (18) and coil mounting shaft (2)
This is a helium flow hole provided in communication with a liquid helium reservoir (not shown) inside the axial center of the helium tank.

スロット（１８）はコイル取付軸（２）の軸表面に軸方
向に沿った直線スロット、軸両端部で円周方向に沿った
アークスロット、その直線スロットとアークスロットと
に連設するコーナスロットにより構成されている。した
がって、１ｌｒ（１５）はそれらスロットに応じた形状
とし、スロット（１８）内に超電導界磁コイル（３）　
を収納した後、スロット（１８）に楔（１５）を挿着し
て超電導界磁コイル（３）を堅固に保持している。The slot (18) is a linear slot along the axial direction on the shaft surface of the coil mounting shaft (2), an arc slot along the circumferential direction at both ends of the shaft, and a corner slot connected to the straight slot and the arc slot. It is configured. Therefore, 1lr (15) has a shape corresponding to those slots, and a superconducting field coil (3) is installed in the slot (18).
After storing the superconducting field coil (3), a wedge (15) is inserted into the slot (18) to firmly hold the superconducting field coil (3).

このような回転子に使用される超電導界磁コイルとして
は例えば特開昭５７−１８６９６０号公報に開示された
ものがあり、その構成を第１４図に示す。A superconducting field coil used in such a rotor is disclosed in, for example, Japanese Patent Application Laid-Open No. 186960/1983, and its configuration is shown in FIG. 14.

図において、（３ａ）は複数の超電導素線を撚り線など
により形成された超電導線であり、複数列、複数層巻回
されている。　（２３）はこれら超電導線（３ａ）の列
間に挿入された列間絶縁、（２４）は超電導線（３ａ）
の眉間に挿入された眉間絶縁である。尚、超電導界磁コ
イル（３）は、超電導線（３ａ）を１本持ちで、かつ超
電導線（３ａ）列間には列間絶縁（２３）を、超電導線
（３ａ）の眉間には眉間絶縁（２４）をそれぞれ挿入し
ながら巻回し、巻回後はエポキシ樹脂で処理してモール
ド状に形成され、超電導線（３ａ）の短絡防止がなされ
ている。In the figure, (3a) is a superconducting wire formed by twisting a plurality of superconducting strands, and is wound in multiple rows and in multiple layers. (23) is the inter-row insulation inserted between the rows of these superconducting wires (3a), (24) is the superconducting wire (3a)
This is a glabellar insulation inserted between the eyebrows. The superconducting field coil (3) has one superconducting wire (3a), and there is an inter-row insulation (23) between the rows of superconducting wires (3a), and between the eyebrows of the superconducting wire (3a). The wires are wound while inserting the insulation (24) respectively, and after the winding, they are treated with epoxy resin and formed into a mold shape to prevent short circuits of the superconducting wire (3a).

〔発明が解決しようとする課題〕[Problem to be solved by the invention]

上記のように構成された従来の超電導回転電機の回転子
においては、超電導界磁コイル（３）を堅固に保持する
楔（１５）はスロット（１８）の各形状に応じた形状と
する必要があり、特にコイル取付軸（２）の軸両端部に
配置された楔（１５）の形状は複雑な形状となりその製
作加工並びに打ち込み作業に多大の労力を要するという
問題点があった。In the rotor of the conventional superconducting rotating electric machine configured as described above, the wedge (15) that firmly holds the superconducting field coil (3) needs to have a shape corresponding to each shape of the slot (18). In particular, the shape of the wedges (15) arranged at both ends of the coil mounting shaft (2) is complicated, and there is a problem in that a great deal of labor is required to manufacture and drive the wedges.

この発明は、上記のような問題点を解消するためになさ
れたものであり、多大の労力を要することなく超電導界
磁コイルを堅固に保持できる超電導回転電機の回転子及
びその製造方法を提供することを目的とする。This invention was made to solve the above-mentioned problems, and provides a rotor for a superconducting rotating electrical machine that can firmly hold a superconducting field coil without requiring much effort, and a method for manufacturing the same. The purpose is to

〔課題を解決するための手段〕[Means to solve the problem]

この発明に係る超電導回転電機の回転子は、上部絶縁材
をコイル取付軸に固定する上部絶縁材固定手段により、
コイル取付軸に上部絶縁材を固定したものである。The rotor of the superconducting rotating electric machine according to the present invention has an upper insulating material fixing means that fixes the upper insulating material to the coil mounting shaft.
The upper insulating material is fixed to the coil mounting shaft.

また、この発明の他の発明である超電導回転電機の回転
子の製造方法は、樹脂が含浸された半硬化状の絶縁テー
プを超電導線に巻回して超電導界磁コイルを形成してス
ロット内に装着し、その後超電導界磁コイルの外周側に
上部絶縁材を配設し、次にコイル取付軸の回転加熱によ
り前記絶縁テープを加熱硬化し、その次に上部絶縁材固
定手段によりコイル取付軸に上部絶縁材を固定し、その
後コイル取付軸と上部絶縁材とを同時に表面加工して円
筒体の嵌合面を形成し、その嵌合面に円筒体を嵌着した
ものである。In addition, in a method for manufacturing a rotor for a superconducting rotating electric machine, which is another invention of the present invention, a semi-cured insulating tape impregnated with resin is wound around a superconducting wire to form a superconducting field coil, and the coil is inserted into a slot. After that, an upper insulating material is placed on the outer circumferential side of the superconducting field coil, and then the insulating tape is heated and hardened by rotational heating of the coil mounting shaft, and then the upper insulating material fixing means is placed on the coil mounting shaft. The upper insulating material is fixed, and then the coil mounting shaft and the upper insulating material are simultaneously surface-processed to form a fitting surface for the cylindrical body, and the cylindrical body is fitted onto the fitting surface.

〔作　用〕[For production]

この発明及びこの発明の他の発明は、超電導界磁コイル
をスロット内に装着した後、上部絶縁固定手段によりコ
イル取付軸に上部絶縁材を固定し、コイル取付軸の外周
側に円筒体を嵌着させて超電導界磁コイルをスロット内
に堅固に保持する。In this invention and other inventions of the present invention, after the superconducting field coil is installed in the slot, the upper insulating material is fixed to the coil mounting shaft by the upper insulating fixing means, and the cylindrical body is fitted to the outer circumferential side of the coil mounting shaft. to securely hold the superconducting field coil within the slot.

〔実施例〕〔Example〕

以下、この発明の実施例を図について説明する。 Embodiments of the present invention will be described below with reference to the drawings.

第１図ないし第４図はこの発明の第１の実施例を示すも
ので、第１０図ないし第１４図と同−渡たは相当部分は
同一符号を付し、その説明は省略する。1 to 4 show a first embodiment of the present invention, and the same or equivalent parts as in FIGS. 10 to 14 are designated by the same reference numerals, and the explanation thereof will be omitted.

図において、（２ａ）はコイル取付軸（２）の外周部に
形成された冷媒である液体ヘリウムの冷却路、（２５）
はスロット（１８）内に装着された超電導界磁コイルで
あり、超電導線（２５ｍ）が複数列、複数層巻回されて
形成されている。　（２６）は超電導界磁コイル（２５
）の超電導線（２５ａ）にスパイラル状に巻回され樹脂
が含浸された半硬化状からなり巻回後硬化される絶縁テ
ープ、（２７）はこの絶縁テープ（２６）間の、空隙に
形成された冷却路、（２８）は超電導界磁コイル（２５
）とスロット（１８）の底面との間に装着された下部絶
縁材であり、ヘリウム流通孔（２２）と連設する軸方向
に延在する冷却路（２８ａ）と、この冷却路（２８ａ）
と連設する半径方向の冷却路（２８ｂ）と、この冷却路
（２８ｂ）と連設する周方向の冷却路（２８ｃ）が形成
されており、冷却路（２７）とヘリウム流通孔（２２）
とはこれら冷却路（２８ａ）　、（２８ｂ）　、（２８
ｃ）を介して連設されている。（ＺＳ）は超電導界磁コ
イル（２５）の外周側に配設された上部絶縁材であり、
コイル取付軸（２）の冷却路（２ａ）と連設する周方向
の冷却路（２９ａ）と、この冷却路（２９ａ）と連設す
る半径方向の冷却路（２９ｂ）と、この冷却路（２９ｂ
）と連設する周方向の冷却路（２９ｃ）が形成されてお
り、冷却路（２ａ）と冷却路（２７）とはこれら冷却路
（２９ｍ）　。In the figure, (2a) is a cooling path for liquid helium, which is a refrigerant, formed on the outer periphery of the coil mounting shaft (2), and (25)
is a superconducting field coil installed in the slot (18), and is formed by winding superconducting wire (25 m) in multiple rows and in multiple layers. (26) is a superconducting field coil (25
) is a semi-cured insulating tape impregnated with resin that is spirally wound around the superconducting wire (25a), and is cured after winding; (27) is formed in the gap between the insulating tapes (26). (28) is a superconducting field coil (25)
) and the bottom surface of the slot (18), and includes a cooling passage (28a) that extends in the axial direction and is connected to the helium flow hole (22);
A cooling path (28b) in the radial direction is connected to the cooling path (28b), and a cooling path (28c) in the circumferential direction is connected to the cooling path (28b).
These cooling paths (28a), (28b), (28
c). (ZS) is an upper insulating material disposed on the outer circumferential side of the superconducting field coil (25),
A circumferential cooling path (29a) connected to the cooling path (2a) of the coil mounting shaft (2), a radial cooling path (29b) connected to the cooling path (29a), and a radial cooling path (29b) connected to the cooling path (2a) of the coil mounting shaft (2); 29b
) is formed in the circumferential direction, and the cooling path (2a) and the cooling path (27) are connected to the cooling path (29m).

（２９ｂ）　、（２９ｃ）を介して連設されている。（
３０）は超電導界磁コイル（２５）とスロット（１８）
の壁面との間に装着されたスロット内地゛縁材であり、
冷却路（３０ｍ）が形成されている。　（３１）はコイ
ル取付軸（２）の外周側に例えば焼嵌め等により嵌着さ
れ、スロット（１８）内に装着された超電導界磁コイル
〈２５）を上部絶縁材（２９）を介してスロット（１８
）内に堅固に保持する円筒体である。(29b) and (29c) are connected to each other. (
30) is a superconducting field coil (25) and a slot (18)
It is a rim material installed between the inside of the slot and the wall surface of the slot.
A cooling path (30 m) is formed. (31) is fitted onto the outer circumferential side of the coil mounting shaft (2) by shrink fitting, etc., and the superconducting field coil (25) installed in the slot (18) is inserted into the slot through the upper insulating material (29). (18
) is a cylindrical body that is held firmly within the cylindrical body.

（３２）は上部絶縁材（２９）の押さえ治具であって、
上部絶縁材（２９）及びコイル取付軸（２）の外周面の
円周方向に形成された押さえ治具装着溝（３３）に装着
されている。（３４）は押さえ治具（３２）をコイル取
付軸（２）に取付けるための締付ボルトであり、（３５
）は締付ボルト（３４）を取付けるためにコイル取付軸
（２）に設けられたネジ穴である。しかして、押さえ治
具装着７１１（３３）、押さえ治具（３２）、ネジ穴（
３５）および締付ボルト（３４）により上部絶縁材固定
手段を構成している。(32) is a holding jig for the upper insulating material (29),
It is mounted in a holding jig mounting groove (33) formed in the circumferential direction on the outer peripheral surface of the upper insulating material (29) and the coil mounting shaft (2). (34) is a tightening bolt for attaching the holding jig (32) to the coil mounting shaft (2);
) is a screw hole provided in the coil mounting shaft (2) for mounting a tightening bolt (34). Therefore, the holding jig attachment 711 (33), the holding jig (32), the screw hole (
35) and the tightening bolt (34) constitute upper insulating material fixing means.

次に、動作について説明する。コイル取付軸（２）のス
ロット（１８）の底面に下部絶縁材（２８）、スロット
（１８）の両壁面にスロット内絶縁材（３０）を装着す
る０次いで、超電導線（２５ｍ）に樹脂が含浸された半
硬化状の絶縁テープ（２６）をスパイラル状に巻回して
超電導界磁コイル（２５）を形成してスロット（１８）
内に装着する。そして、超電導界磁コイル（２５）の外
周側に上部絶縁材（２９）を配設する。Next, the operation will be explained. Attach the lower insulating material (28) to the bottom of the slot (18) of the coil attachment shaft (2), and the insulating material (30) in the slot to both walls of the slot (18).Next, attach the resin to the superconducting wire (25 m). A superconducting field coil (25) is formed by winding an impregnated semi-cured insulating tape (26) in a spiral shape, and a slot (18) is formed.
Attach it inside. Then, an upper insulating material (29) is provided on the outer peripheral side of the superconducting field coil (25).

絶縁テープ（２６）の樹脂の硬化はコイル取付軸（２）
の回転加熱により行なわれる。絶縁テープ（２６）の硬
化後のコイル取付軸（２）の外周の機械加工のために上
部絶縁材（２９）を強固に固定する必要があるが、そこ
で押さえ治具（３２）を押さえ治具装着溝（３３）に装
着して上部絶縁材（２９）をコイル取付軸（２）に固定
する。その後、コイル取付軸（２）の外表面を上部絶縁
材（２９）と同時、一体に旋盤加工して上記円筒体（３
１）の嵌合面を形成する。旋盤により加工した後、コイ
ル取付軸（２）の外周側に円筒体（３１）を焼嵌めによ
り嵌着して超電導界磁コイル（２５）を上部絶縁材（２
９）を介してスロット（１８）内に堅固に保持する。The resin of the insulating tape (26) hardens on the coil mounting shaft (2).
This is done by rotating heating. After the insulating tape (26) has hardened, it is necessary to firmly fix the upper insulating material (29) in order to machine the outer periphery of the coil mounting shaft (2). The upper insulating material (29) is fixed to the coil mounting shaft (2) by mounting it in the mounting groove (33). Thereafter, the outer surface of the coil mounting shaft (2) is lathed simultaneously and integrally with the upper insulating material (29).
1) Form the fitting surface. After machining with a lathe, the cylindrical body (31) is shrink-fitted to the outer circumferential side of the coil mounting shaft (2), and the superconducting field coil (25) is attached to the upper insulating material (2).
9) in the slot (18).

以上のように円筒体（３１）をコイル取付軸（２）の外
周側に焼嵌めにより嵌着することによって超電導界磁コ
イル（２５）をスロット（１８）内に堅固に保持できる
ので、従来のような形状の複雑な楔（１５）を全く使用
しなくてよくその製作加工並びに打ち込み作業が皆無に
なる。又、楔（１５）をスロット（１８）内に挿着する
ための楔溝も不要となる。さらに、１１！　（１５）を
省略したことにより、その厚さ寸法分外径を小さくする
ことができ、しかも超電導界磁コイル（２５）の樹脂硬
化後にコイル取付軸（２）外表面を加工するようにした
ので、コイル高さの調整作業が不要となる。As described above, by shrink-fitting the cylindrical body (31) to the outer circumferential side of the coil mounting shaft (2), the superconducting field coil (25) can be firmly held within the slot (18). There is no need to use a wedge (15) with such a complicated shape, and the manufacturing process and driving work are completely eliminated. Further, there is no need for a wedge groove for inserting the wedge (15) into the slot (18). Furthermore, 11! By omitting (15), the outer diameter can be reduced by its thickness, and the outer surface of the coil mounting shaft (2) is machined after the resin of the superconducting field coil (25) is cured. , there is no need to adjust the coil height.

又、超電導界磁コイル（２５）の超電導線（２５ａ）の
冷却は次のようにして行なわれる。コイル取付軸（２）
の外周部に形成した冷却路（２ａ）を通じて液体ヘリウ
ムが供給されスロット内絶縁材（２９）によって形成さ
れた半径方向の冷却路（３０ａ）と上部絶縁材（２９）
の冷却路（２９ａ）に流入する。冷却路（２９ａ）に流
入した液体ヘリウムは（２９ｂ）に流入して冷却路（２
９ｅ）を経て超電導線（２５ａ）に絶縁テープ（２６）
をスパイラル状に形成することにより形成した冷却路（
２））に流入する。これら冷却路（２７）　。Further, the superconducting wire (25a) of the superconducting field coil (25) is cooled as follows. Coil mounting shaft (2)
Liquid helium is supplied through the cooling passage (2a) formed on the outer periphery of the radial cooling passage (30a) formed by the insulating material (29) in the slot and the upper insulating material (29).
into the cooling path (29a). The liquid helium that has flowed into the cooling path (29a) flows into the cooling path (29b) and flows into the cooling path (29b).
Insulating tape (26) on the superconducting wire (25a) via 9e)
The cooling path (
2)). These cooling channels (27).

（３０ａ）を液体ヘリウム流通することにより超電導線
（２５ａ）が直接冷却される。超電導線（２５ａ）を冷
却した後の液体ヘリウムは冷却路（２８ａ）、（２Ｂｂ
）。The superconducting wire (25a) is directly cooled by flowing liquid helium through (30a). After cooling the superconducting wire (25a), the liquid helium flows through the cooling path (28a) and (2Bb).
).

（２８ｍ）を経てヘリウム流通孔（２２）に流出する。(28m) and flows out to the helium flow hole (22).

第５図はこの発明の第２の実施例を示す要部断面図、第
６図は第５図のＷ−Ｖｌ線に沿う断面図であり、図にお
いて、（３５）は超電導コイル（２５）の外周側に設け
られた上部絶縁材、、（３５ａ）は冷却路（２ａ）と連
設する周方向の冷却路、（３５ｂ）は冷却路（３５ａ）
と連設する半径方向の冷却路、（３５ｃ）は冷却路（３
５ｂ）と連設する周方向−の冷却路、（３５ｍ）は上部
絶縁材（３５）に形成されたボルト取付部、（３６）は
このボルト取付部（３５ｄ）に螺着された締付ボルト、
（３））はコイル取付軸（２）に設けられたネジ穴であ
る。そして、ボルト取付穴（３５ｍ）　、締付ボルト（
３６）およびネジ穴（３７）により上部絶縁材固定手段
を構成している。FIG. 5 is a sectional view of a main part showing a second embodiment of the present invention, and FIG. 6 is a sectional view taken along the line W-Vl in FIG. 5. In the figure, (35) is a superconducting coil (25). upper insulating material provided on the outer peripheral side of the cooling passage (35a), (35a) is a circumferential cooling passage connected to the cooling passage (2a), and (35b) is a cooling passage (35a).
The radial cooling passage (35c) is connected to the cooling passage (35c).
(35m) is a bolt attachment part formed in the upper insulating material (35), and (36) is a tightening bolt screwed into this bolt attachment part (35d). ,
(3)) is a screw hole provided in the coil mounting shaft (2). Then, bolt mounting hole (35m), tightening bolt (
36) and screw holes (37) constitute upper insulating material fixing means.

そして、上記実施例の場合、コイル取付軸（２）の外周
の機械加工のために上部絶縁材（３５）を強固に固定す
る必要があるが、この固定は締付ボルト（３６）を用い
て上部絶縁材（３５）のボルト取付部（３５ｄ）をコイ
ル取付軸（２）に締付けることで行なわれる。In the case of the above embodiment, it is necessary to firmly fix the upper insulating material (35) in order to machine the outer periphery of the coil mounting shaft (2), but this fixing is done using tightening bolts (36). This is done by tightening the bolt attachment part (35d) of the upper insulator (35) to the coil attachment shaft (2).

その後、コイル取付軸（２）の外周面を上部絶縁材（３
５）と同時に一体として旋盤加工して円筒体（３１）の
嵌合面を形成する、その後の工程は第１の実施例の場合
と同様である。Then, attach the outer peripheral surface of the coil mounting shaft (2) to the upper insulating material (3).
5) At the same time, the fitting surface of the cylindrical body (31) is formed by lathe processing as an integral part.The subsequent steps are the same as in the first embodiment.

第７図はこの発明の第３の実施例を示す要部断面図、第
８図は第７図の■−■線に沿う断面図であり、（ＡＯ）
はコイル取付軸（２）及び上部絶縁材（２９）の外周側
に絶縁テープ等を巻回し固着し外周を機械加工した上部
絶縁材固定手段としての上部絶縁材押さえ部である。FIG. 7 is a sectional view of a main part showing a third embodiment of the present invention, and FIG. 8 is a sectional view taken along the line ■-■ in FIG.
1 is an upper insulating material holding portion as means for fixing the upper insulating material, which is formed by winding and fixing insulating tape or the like around the outer periphery of the coil mounting shaft (2) and the upper insulating material (29), and machining the outer periphery.

上記実施例の場合、コイル取付軸（２）及び上部絶縁材
（２９）の外周側に上部絶縁材押さえ部（４０）を巻回
し、固着して上部絶縁材（２９）を固定する。その後圧
部絶縁材押さ゛え部（４０）及びコイル取付軸（２）の
外表面を旋盤にて同時に一体加工して円筒体（３１）の
嵌合面を形成する。その後の工程は第１の実施例と同様
である。In the case of the above embodiment, the upper insulating material holding part (40) is wound around the outer periphery of the coil mounting shaft (2) and the upper insulating material (29) and fixed to fix the upper insulating material (29). Thereafter, the outer surfaces of the pressure section insulating material holding part (40) and the coil mounting shaft (2) are simultaneously machined integrally using a lathe to form a fitting surface for the cylindrical body (31). The subsequent steps are similar to those in the first embodiment.

第９図はこの発明の第４の実施例を示す要部断面図であ
り、（４３）は超電導コイルの外周側に設けられた上部
絶縁材で、コイル取付軸（２）の冷却路（２ａ）と連設
する周方向の冷却Ｎ（４３ｍ）と、この冷却路＜４３ｍ
＞と連設する半径方向の冷却Ｎ　（４３ｂ）と、この冷
却路（４３ｂ）と連設する周方向の冷却路（４３ｃ）が
形成されている。　（４１）はコイル取付軸（２）と上
部絶縁材（４３）とに軸方向にある間隔で形成された円
周方向の溝であり、この溝（４１）には、上部絶縁材（
４３）を強固に固定するため上部絶縁材固定手段として
のバインド線（４２）が巻回されている。FIG. 9 is a sectional view of a main part showing a fourth embodiment of the present invention, in which (43) is an upper insulating material provided on the outer peripheral side of a superconducting coil, and a cooling path (2a) of a coil mounting shaft (2). ) and a circumferential cooling N (43 m) connected to this cooling path <43 m
A cooling path (43b) in the radial direction that is continuous with the cooling path (43b) and a cooling path (43c) in the circumferential direction that is continuous with the cooling path (43b) are formed. (41) is a circumferential groove formed in the coil mounting shaft (2) and the upper insulating material (43) at a certain interval in the axial direction.
43), a binding wire (42) is wound thereon as an upper insulating material fixing means.

上記実施例の場合、溝（４１）にバインド線（４２）を
巻回して上部絶縁材（４３）をコイル取付軸（２）に固
定し、その後上部絶縁材（４０）およびコイル取付軸（
２）の外周面を同時に旋盤加工して円筒体（３１）の嵌
合面を形成する。その後の工程は第１の実施例と同様で
ある。In the case of the above embodiment, the upper insulating material (43) is fixed to the coil mounting shaft (2) by winding the binding wire (42) around the groove (41), and then the upper insulating material (40) and the coil mounting shaft (
At the same time, the outer peripheral surface of 2) is lathed to form a fitting surface for the cylindrical body (31). The subsequent steps are similar to those in the first embodiment.

〔発明の効果〕〔Effect of the invention〕

以上説明したように、この発明の超電導回転電機の回転
子及びその製造方法により、コイル取付軸のスロット内
に装着された超電導界磁コイルをコイル取付軸の外周側
に嵌着した円筒体により堅固に保持され、複雑な形状の
楔を全く使用しなくてよくその製作加工ならびに打ち込
み作業が皆無となり、作業性が著しく向上すると共に経
済的にも優れた効果が得られる。また、上部絶縁材を上
部絶縁材固定手段によりコイル取付軸に固定した後でコ
イル取付軸表面を加工するようにしたので、その表面加
工が容易になるという効果も得られる。As explained above, according to the rotor of the superconducting rotating electric machine and the manufacturing method thereof of the present invention, the superconducting field coil installed in the slot of the coil mounting shaft is firmly fixed by the cylindrical body fitted on the outer circumferential side of the coil mounting shaft. There is no need to use wedges with complicated shapes, and there is no need to manufacture or drive them, resulting in significantly improved workability and excellent economical effects. Further, since the surface of the coil mounting shaft is processed after the upper insulating material is fixed to the coil mounting shaft by the upper insulating material fixing means, the effect that the surface processing becomes easy can be obtained.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの発明の第１の実施例を示す断面図、第２図
は第１図の超電導線の正面図、第３図は第１図の円筒体
を除いた状態での要部平面図、第４図は第３図のｆｆ−
Ｎ線に沿う断面図、第５図はこの発明の第２の実施例を
示す断面図、第６図は第５図のＶｌ−Ｖｌ線に沿う断面
図、第７図はこの発明の第、３の実施例を示す断面図、
第８図は第７図の■−■線に沿う断面図、第９図はこの
発明の第４の実施例を示す断面図、第１０図は従来の超
電導回転電機の回転子の一例を示す断面図、第１１図は
第１０図のＸＩ−ＸＩ線に沿う断面図、第１２図は第１
０図の要部斜視図、第１３図は第１２図のｘｎｔ−ｘｍ
線に沿う断面図、第１４図は第１３図の超電導界磁コイ
ルの断面図である。 図において、（２）はコイル取付軸、（１８）はスロッ
ト、（２５）は超電導界磁コイル、（２９）は上部絶縁
材、（３１）は円筒体、（３２）は押さえ治具、（３３
）は押さえ泊具装着渭、（３４）は締付ボルト、（３５
）は上部絶縁材、（３５ｄ）はボルト取付部、（３６）
は締付ボルト、（３））はネジ穴、（４０）は上部絶縁
材押え部、（４１）は溝、（４２）はバインド線、（４
３）は上部絶縁材である。 なお、各図中、同一符号は同−又は相当部分を示す。FIG. 1 is a sectional view showing a first embodiment of the present invention, FIG. 2 is a front view of the superconducting wire shown in FIG. 1, and FIG. 3 is a plan view of the main part of the superconducting wire shown in FIG. Figure 4 is the ff- of Figure 3.
5 is a sectional view taken along line N, FIG. 5 is a sectional view showing a second embodiment of the invention, FIG. 6 is a sectional view taken along line Vl-Vl in FIG. 5, and FIG. 7 is a sectional view showing a second embodiment of the invention. A sectional view showing Example 3,
FIG. 8 is a sectional view taken along the line ■-■ in FIG. 7, FIG. 9 is a sectional view showing a fourth embodiment of the present invention, and FIG. 10 is an example of a rotor of a conventional superconducting rotating electric machine. 11 is a sectional view taken along the line XI-XI in FIG. 10, and FIG. 12 is a sectional view taken along the line
Figure 0 is a perspective view of the main parts, Figure 13 is xnt-xm in Figure 12.
14 is a cross-sectional view of the superconducting field coil of FIG. 13. In the figure, (2) is the coil mounting shaft, (18) is the slot, (25) is the superconducting field coil, (29) is the upper insulating material, (31) is the cylindrical body, (32) is the holding jig, ( 33
) is the retainer attachment arm, (34) is the tightening bolt, (35
) is the upper insulation material, (35d) is the bolt attachment part, (36)
is the tightening bolt, (3)) is the screw hole, (40) is the upper insulating material holding part, (41) is the groove, (42) is the binding wire, (4)
3) is the upper insulation material. In each figure, the same reference numerals indicate the same or corresponding parts.

Claims (2)

【特許請求の範囲】[Claims] （１）外周部にスロットが形成されたコイル取付軸と、
このスロット内に装着され超電導線が複数列、複数層巻
回されて形成された超電導界磁コイルと、前記コイル取
付軸の外周面に嵌着され前記超電導界磁コイルを上部絶
縁材を介して前記スロットに保持する円筒体とを備えた
超電導回転電機の回転子において、前記上部絶縁材は、
上部絶縁材を前記コイル取付軸に固定する上部絶縁材固
定手段によりコイル取付軸に固定されたことを特徴とす
る超電導回転電機の回転子。(1) A coil mounting shaft with a slot formed on the outer periphery;
A superconducting field coil installed in this slot and formed by winding multiple rows and layers of superconducting wire, and a superconducting field coil fitted on the outer peripheral surface of the coil mounting shaft are connected to each other through an upper insulating material. In the rotor of a superconducting rotating electrical machine, the upper insulating material includes: a cylindrical body held in the slot;
A rotor for a superconducting rotating electric machine, characterized in that the rotor is fixed to a coil mounting shaft by an upper insulating material fixing means that fixes an upper insulating material to the coil mounting shaft. （２）樹脂が含浸された半硬化状の絶縁テープを超電導
線に巻回して超電導界磁コイルを形成してスロット内に
装着し、その後超電導界磁コイルの外周側に上部絶縁材
を配設し、次にコイル取付軸の回転加熱により前記絶縁
テープを加熱硬化し、その次に上部絶縁材固定手段によ
りコイル取付軸に上部絶縁材を固定し、その後コイル取
付軸と上部絶縁材とを同時に表面加工して円筒体の嵌合
面を形成し、その嵌合面に円筒体を嵌着したことを特徴
とする超電導回転電機の回転子の製造方法。(2) A semi-hardened insulating tape impregnated with resin is wound around a superconducting wire to form a superconducting field coil, which is installed in the slot, and then an upper insulating material is placed around the outer circumference of the superconducting field coil. Next, the insulating tape is heated and hardened by rotational heating of the coil mounting shaft, and then the upper insulating material is fixed to the coil mounting shaft by the upper insulating material fixing means, and then the coil mounting shaft and the upper insulating material are simultaneously fixed. 1. A method for manufacturing a rotor for a superconducting rotating electric machine, characterized in that a fitting surface of a cylindrical body is formed by surface processing, and a cylindrical body is fitted onto the fitting surface.
JP63320425A 1988-12-21 1988-12-21 Rotor of superconducting rotary electric machine and manufacture thereof Pending JPH02211053A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63320425A JPH02211053A (en) 1988-12-21 1988-12-21 Rotor of superconducting rotary electric machine and manufacture thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63320425A JPH02211053A (en) 1988-12-21 1988-12-21 Rotor of superconducting rotary electric machine and manufacture thereof

Publications (1)

Publication Number Publication Date
JPH02211053A true JPH02211053A (en) 1990-08-22

Family

ID=18121313

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63320425A Pending JPH02211053A (en) 1988-12-21 1988-12-21 Rotor of superconducting rotary electric machine and manufacture thereof

Country Status (1)

Country Link
JP (1) JPH02211053A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06133532A (en) * 1992-10-13 1994-05-13 Chodendo Hatsuden Kanren Kiki Zairyo Gijutsu Kenkyu Kumiai Manufacture of rotor for superconducting electric rotating machine
US5499265A (en) * 1989-08-07 1996-03-12 Omnipoint Data Company, Incorporated Spread spectrum correlator
US5784403A (en) * 1995-02-03 1998-07-21 Omnipoint Corporation Spread spectrum correlation using saw device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51100205A (en) * 1975-01-28 1976-09-04 Kraftwerk Union Ag
JPS5574363A (en) * 1978-11-29 1980-06-04 Hitachi Ltd Manufacture of super-conduction rotor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51100205A (en) * 1975-01-28 1976-09-04 Kraftwerk Union Ag
JPS5574363A (en) * 1978-11-29 1980-06-04 Hitachi Ltd Manufacture of super-conduction rotor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5499265A (en) * 1989-08-07 1996-03-12 Omnipoint Data Company, Incorporated Spread spectrum correlator
JPH06133532A (en) * 1992-10-13 1994-05-13 Chodendo Hatsuden Kanren Kiki Zairyo Gijutsu Kenkyu Kumiai Manufacture of rotor for superconducting electric rotating machine
US5784403A (en) * 1995-02-03 1998-07-21 Omnipoint Corporation Spread spectrum correlation using saw device

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