JPS61116942A - Stator for vertical-shaft rotary electric machine - Google Patents
Stator for vertical-shaft rotary electric machineInfo
- Publication number
- JPS61116942A JPS61116942A JP23643284A JP23643284A JPS61116942A JP S61116942 A JPS61116942 A JP S61116942A JP 23643284 A JP23643284 A JP 23643284A JP 23643284 A JP23643284 A JP 23643284A JP S61116942 A JPS61116942 A JP S61116942A
- Authority
- JP
- Japan
- Prior art keywords
- clamper
- stator
- core
- ribs
- 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.)
- Granted
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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は立軸回転電機、例えば水車発電機の固定子鉄
心の締付は構造に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to the structure of a stator core for a vertical rotating electric machine, such as a water turbine generator.
第３図は従来のこの種の装置を示すもので、図において
、（１）は固定子枠、（１ａ）は固定子枠（１）の構成
部材である底板、（１ｈ）は同じく上板、（ＩＣ）は上
記底板（１ａ）と上板（１ｂ）を貫通して溶接された力
骨、（２）は力骨（１ｅ）の下端に接して締付けられる
下クランパ、（３）は力骨（ＩＣ）の上端に接して締付
けられる上クランパ、（４）は薄板を積層してなる固定
子鉄心、（５）はフィンガープレートで、鉄心（４）と
上下クランパ（２１（３）の間に位置している。（６）
はコアボルトで、固定子枠（１）に固着きれると共に、
鉄心（４）の締付けを行う。（７）は固定子鉄心（４）
の内周溝に挿入された固定子巻線、（８）は固定子枠（
１）を据え付けるベッド、（９）は固定子枠（１）の上
に取付けられた上ブラケットである。Figure 3 shows a conventional device of this type. In the figure, (1) is a stator frame, (1a) is a bottom plate which is a component of the stator frame (1), and (1h) is an upper plate. , (IC) is a tension bone that penetrates the bottom plate (1a) and the top plate (1b) and is welded, (2) is a lower clamper that is tightened in contact with the lower end of the tension bone (1e), and (3) is a force The upper clamper is tightened in contact with the upper end of the IC, the stator core (4) is made of laminated thin plates, and the finger plate (5) is connected between the core (4) and the upper and lower clampers (21 (3)). (6)
are core bolts that can be firmly fixed to the stator frame (1),
Tighten the iron core (4). (7) is stator core (4)
(8) is the stator winding inserted into the inner groove of the stator frame (
1) is the bed on which it is installed, and (9) is the upper bracket attached to the stator frame (1).
以上のように構成された従来の固定子においては、固定
子枠（１）が円板状の底板（１ａ）、上板（１ｂ）を数
１０本の力骨（ＩＣ）で貫通させてお互いに溶接してい
るため、強固な固定子枠（１）が形成される。この底板
（１ａ）、上板（１ｂ）の内径側に等配にコアボルト（
６）が配置され、これが上記底板（Ｉａ）と上板（１ｂ
）とに溶接されており、これをガイドにして且つ下クラ
ンパ（２１でレベルを出してフィンガープレート（５）
を上下端に配列して固定子鉄心（４）を積層し、上端に
上クランパ（３）を当てて所定の面圧を得るべくコアボ
ルト（６）で均等に且つ強固に締付けて１７する。In the conventional stator configured as described above, the stator frame (1) is connected to the disk-shaped bottom plate (1a) and top plate (1b) by passing through them with several tens of ICs. Since the stator frame (1) is welded to the stator frame (1), a strong stator frame (1) is formed. Core bolts (
6) is arranged, which connects the bottom plate (Ia) and the top plate (1b).
), and using this as a guide, level it with the lower clamper (21) and attach the finger plate (5).
The stator cores (4) are stacked by arranging them at the upper and lower ends, the upper clamper (3) is applied to the upper end, and the core bolts (6) are evenly and firmly tightened to obtain a predetermined surface pressure (17).
固定子鉄心（４）の積層が所定長より長短があると、力
骨（ｌｃ）の上下端を支点にして上下クランノｆ ＋３
１ ［２］は内径側が上下に傾斜した形で鉄心が締付け
られた形となる。この固定子鉄心（４）の内周の溝内に
固定子巻線（７）が等配に挿入される固定子が成り立ち
、これがベッド（８１上に据え付けられる。また案内軸
受、スラスト軸受を内蔵する上ブラケ・ソト（９）が固
定子枠（１）の上に取付けられろ。If the lamination of the stator core (4) is longer or shorter than the predetermined length, the upper and lower cranometers f +3 using the upper and lower ends of the force bones (lc) as fulcrums
1 [2] has a shape in which the inner diameter side is tilted up and down and the iron core is tightened. The stator windings (7) are inserted evenly into the grooves on the inner circumference of the stator core (4) to form a stator, which is installed on the bed (81).It also has a built-in guide bearing and thrust bearing. Install the upper bracket (9) on top of the stator frame (1).
従来の固定子は以上のように構成されており、固定子鉄
心の積層長の変化、不同に対して上下クランパが傾斜し
て正確な締付けができず、また固定子枠の構成が多種類
の部材で形成されろという欠点があった。この発明はこ
のような欠点を除去δ し、構造が簡単で組立て
の容易な室軸回転７４機の固定子を得ることを目的とし
ている。Conventional stators are constructed as described above, and the upper and lower clampers tilt due to changes in the stator core lamination length or discrepancies, making accurate tightening impossible. It had the disadvantage that it had to be made of parts. The object of the present invention is to eliminate such drawbacks and to obtain a stator for a chamber shaft rotating 74 machine that has a simple structure and is easy to assemble.
この発明に係る固定子は、下クランｄを外径に拡張して
固定子枠底板を兼ね、また上クランパを外径に拡張して
固定子枠上板を兼ね、円周上に等配された複数本の力骨
の下端を下クランパに溶接し、上端に高さ９Ｊ整用ねし
とナツトを設けて上クランパを支える構造、またはこの
上下を逆にした構造とし、下クランパ上に固定子鉄心を
積層し、この鉄心を上クランパと下クランパとでコアボ
ルトにより締付けて構成したものである。In the stator according to the present invention, the lower clamper d is expanded to the outer diameter and serves as the stator frame bottom plate, and the upper clamper is expanded to the outer diameter and serves also as the stator frame upper plate, and these are equally spaced on the circumference. The lower ends of the multiple braces are welded to the lower clamper, and a 9J height adjustment screw and nut are provided at the upper end to support the upper clamper, or this structure is turned upside down and fixed on the lower clamper. It is constructed by laminating child cores and tightening the cores with core bolts between an upper clamper and a lower clamper.
このような構造のものでは、上下のクランパにより固定
子枠上下板を兼ねさせているので部品点数が少なく、ま
た組立時においては鉄心の積層に応じてクランパのねじ
とナツトを調部し、クランパの水平が得られたところで
コアボルトで締付けるものであるため、正確な締付が行
えるものである。With this type of structure, the upper and lower clampers also serve as the upper and lower plates of the stator frame, so the number of parts is small, and during assembly, the screws and nuts of the clampers are adjusted according to the stacking of the core, and the clamper Since the core bolt is tightened when the level is obtained, accurate tightening can be performed.
第１図はこの発明の一実施例を示すもので、図において
、αυは下クランパで、その外径側はベッド（８）上ま
で延長されている。（１１）は上クランパで、外径側は
上ブラケット（１５）の下まで延長され、上ブラケツト
取付面を有している。（１２）は円周上に複数本等配さ
れた力骨で、下端は下クランパＧＯ＋に溶接され、上端
はねじ棒で上クランパ（１１）のばか穴に嵌込まれてい
る。（１３）はナラ１−で、力骨（１２）上端に締着し
ている。（１４）は側板、（１５）は上ブラケットであ
る。なお（４）〜（８）は第３図の従来のものと同様な
ので説明を省略する。FIG. 1 shows an embodiment of the present invention. In the figure, αυ is a lower clamper, the outer diameter of which extends above the bed (8). (11) is an upper clamper, the outer diameter side of which extends below the upper bracket (15) and has an upper bracket mounting surface. (12) is a plurality of force bones equally spaced on the circumference, the lower ends of which are welded to the lower clamper GO+, and the upper ends of which are fitted into the holes of the upper clamper (11) with threaded rods. (13) is the oak 1- and is fastened to the upper end of the force bone (12). (14) is a side plate, and (15) is an upper bracket. Note that (4) to (8) are the same as the conventional one shown in FIG. 3, so their explanation will be omitted.
このように構成された固定子においては、レベルの出た
下クランパ（座板付）００）の内周面に固定子鉄心（４
）がフィンガープレー１− ＋５１を介して積層され、
上クランパを、下端が下クランパ叫に等配して溶接され
た数１０本の力骨（１２）をガイドにして重ねてコアボ
ルト（６）で締付ける。このとき、鉄心（４）の積層に
応じて力骨（１２）の上端に加工さねたねしにナツト（
１３）を締結して下から上クランパ（１１）のレベルを
調整する。水平が得られた後、ナツト（１３）を上クラ
ンパ（１１）に回り止め溶接する。さらに側板（１４）
を上下クランパ（１１）（１０１間に締付けて且つ固定
子巻線（７）を鉄心内周の溝に挿入し、固定子を完成し
、ベッド（８）に据付け、上部にブラケット（１５）を
取付ける。In the stator configured in this way, the stator core (4
) are stacked through finger play 1- +51,
The upper clamper is stacked and tightened with a core bolt (6), using as a guide several tens of stiff bones (12) whose lower ends are welded to the lower clamper at equal intervals. At this time, depending on the lamination of the iron core (4), a nut (
13) and adjust the level of the upper clamper (11) from below. After leveling is achieved, the nut (13) is welded to the upper clamper (11) to prevent rotation. Furthermore, the side plate (14)
Tighten between the upper and lower clampers (11) (101) and insert the stator winding (7) into the groove on the inner circumference of the core to complete the stator, install it on the bed (8), and attach the bracket (15) to the top. Install.
なお上記実施例では上クランパ下面にナツト１個で調整
する方式を示したが、グブルナットを使用して回り止め
をしてもよく、また上クランパの上面と下面に】個ずつ
ナツトを設けてレベリングをなしてもよい。さらに、第
２図に示すように力骨（１２）の下端にねじ部を設け、
これを下クランパ叫にねじ込むことによりレベリングを
行うようにしてもよい。In the above example, a method was shown in which the adjustment is performed using one nut on the bottom surface of the upper clamper, but it is also possible to use a double nut to prevent rotation, or two nuts can be provided on the top and bottom surfaces of the upper clamper for leveling. may be made. Furthermore, as shown in FIG. 2, a threaded portion is provided at the lower end of the force bone (12),
Leveling may be performed by screwing this into the lower clamper.
以上のようにこの発明によれば、固定子枠上下板を省略
して部品点数を減らしたので安価にでき、またねじによ
るクランパのレベル調整により正確に締付けられた固定
子を得ることができる。As described above, according to the present invention, the stator frame upper and lower plates are omitted to reduce the number of parts, so the cost can be reduced, and a stator that is accurately tightened can be obtained by adjusting the level of the clamper using screws.
第１図はこの発明の一実施例を示す断面側面図、第２図
は他の実施例の要部を示す側酊図、第３図は従来の立軸
回転電機固定子の断面側面図である。
図において、（４）は固定子鉄心、（５）はフィンガー
プレート、ｆ６１はコアボルト、（８）はベッド、（１
０１は下クランパ、（１１）は上クランパ、（１２）は
力骨、（１３）はナツトである。
尚、図中同一符号は同−又は相当部分を示す。Fig. 1 is a cross-sectional side view showing one embodiment of the present invention, Fig. 2 is a side view showing main parts of another embodiment, and Fig. 3 is a cross-sectional side view of a conventional vertical shaft rotating electric machine stator. . In the figure, (4) is the stator core, (5) is the finger plate, f61 is the core bolt, (8) is the bed, (1
01 is the lower clamper, (11) is the upper clamper, (12) is the force bone, and (13) is the nut. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
て設けられた上クランパとをレベリング調整できるよう
に一端にねじとナットが設けられた複数個の力骨を円周
上に等配して上記上または下クランパに固定し、これら
両クランパ間に固定子鉄心を積層し、上記両クランパ間
をコアボルトで締付けて構成したことを特徴とする立軸
回転電機の固定子。In order to adjust the leveling of a lower clamper having a mounting surface for mounting on the bed and an upper clamper installed opposite to the lower clamper, a plurality of stiffeners each having a screw and a nut at one end are equally spaced on the circumference. A stator for a vertical shaft rotating electric machine, characterized in that the stator is fixed to the upper or lower clamper, a stator core is laminated between the clampers, and the clampers are tightened with core bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23643284A JPS61116942A (en) | 1984-11-07 | 1984-11-07 | Stator for vertical-shaft rotary electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23643284A JPS61116942A (en) | 1984-11-07 | 1984-11-07 | Stator for vertical-shaft rotary electric machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61116942A true JPS61116942A (en) | 1986-06-04 |
| JPH0243421B2 JPH0243421B2 (en) | 1990-09-28 |
Family
ID=17000663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23643284A Granted JPS61116942A (en) | 1984-11-07 | 1984-11-07 | Stator for vertical-shaft rotary electric machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61116942A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5657185B1 (en) * | 2014-02-14 | 2015-01-21 | 三菱電機株式会社 | Induction motor rotor |
-
1984
- 1984-11-07 JP JP23643284A patent/JPS61116942A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5657185B1 (en) * | 2014-02-14 | 2015-01-21 | 三菱電機株式会社 | Induction motor rotor |
| WO2015121984A1 (en) * | 2014-02-14 | 2015-08-20 | 三菱電機株式会社 | Induction motor rotor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0243421B2 (en) | 1990-09-28 |
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