JP2002371805A - Jig for attaching/detaching stationary blade - Google Patents
Jig for attaching/detaching stationary bladeInfo
- Publication number
- JP2002371805A JP2002371805A JP2001184773A JP2001184773A JP2002371805A JP 2002371805 A JP2002371805 A JP 2002371805A JP 2001184773 A JP2001184773 A JP 2001184773A JP 2001184773 A JP2001184773 A JP 2001184773A JP 2002371805 A JP2002371805 A JP 2002371805A
- Authority
- JP
- Japan
- Prior art keywords
- ring
- jig
- blade
- stationary blade
- detaching
- 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
Landscapes
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ガスタービン等の
タービン翼環の組み立て、あるいは分解するときに、静
翼を着脱するために用いられる静翼の着脱用治具に関す
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stationary blade attaching / detaching jig used for attaching / detaching a stationary blade when assembling or disassembling a turbine blade ring of a gas turbine or the like.
【０００２】[0002]
【従来の技術】従来より、翼環に静翼を着脱させる方法
としては、図３に示すように、数枚の翼を有する静翼ブ
ロック２２を、分割した翼環２０の内側円周方向に沿っ
て設けられた遮熱環２１に係合させ、その外側のシュラ
ウド２３の側面部に当金し、ハンマー等で叩いて翼環の
円周方向に移動させていた。2. Description of the Related Art Conventionally, as a method of attaching / detaching a stationary blade to / from a blade ring, as shown in FIG. 3, a stationary blade block 22 having several blades is formed in a circumferential direction inside a divided blade ring 20. Along with the heat shield ring 21 provided along the outer circumference, the outer side of the shroud 23 is abutted against the side face, and is hit with a hammer or the like to move the blade ring in the circumferential direction.
【０００３】[0003]
【発明が解決しようとする課題】ところで、シュラウド
２３と遮熱環２１との間はシール材を設けて密着させる
構造であるため、ハンマー等で叩いて動かすには多大な
手間と時間とが必要とされていた。また、前記シュラウ
ド２３の側面部をハンマー等で叩く際、シュラウド２３
を変形させ、静翼の形状に影響を及ぼす可能性があっ
た。Since the shroud 23 and the heat shield ring 21 have a structure in which a sealing material is provided to be in close contact with each other, it takes a lot of time and effort to move the shroud 23 with a hammer or the like. And it was. Also, when hitting the side surface of the shroud 23 with a hammer or the like,
And could affect the shape of the vane.
【０００４】この発明は、上記事情に鑑みてなされたも
ので、短時間で簡単に、しかも静翼の形状に影響を及ぼ
すことなく、翼環に静翼を取り付け、取り外しできる静
翼の着脱用治具を提供する事を目的としている。SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and is intended for attaching and detaching a vane to a vane ring in a short time and easily without affecting the shape of the vane. The purpose is to provide jigs.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
に、請求項１記載の静翼の着脱用治具は、翼環の外周部
に固定される治具本体と、静翼ブロックと遮熱環との隙
間に挿入される爪が形成され、静翼ブロックに掛けられ
る爪部と、爪部と前記治具本体とに連結された線材と、
線材を治具本体の方に引き寄せる巻き取り機とを有する
ことを特徴としている。According to a first aspect of the present invention, there is provided a stationary blade attaching / detaching jig, comprising: a jig body fixed to an outer peripheral portion of a blade ring; A claw inserted into a gap with the heat ring is formed, a claw portion hung on the stationary blade block, a wire connected to the claw portion and the jig body,
And a winding machine that draws the wire toward the jig body.
【０００６】したがって、翼環の外周部に治具本体を固
定し、遮熱環に係合された静翼ブロックと遮熱環との隙
間に爪を挿入して、静翼ブロックに爪部を掛けて、線材
を巻き取り機で巻き取って治具本体の方に引き寄せるこ
とで、線材の張力によって容易に静翼ブロックを翼環の
円周方向に動かすことができる。Therefore, the jig main body is fixed to the outer peripheral portion of the blade ring, and a claw is inserted into a gap between the stator blade block engaged with the heat shield ring and the heat shield ring, and the claw portion is attached to the stator blade block. By hanging the wire, the wire is taken up by the winder and pulled toward the jig main body, whereby the stator blade block can be easily moved in the circumferential direction of the blade ring by the tension of the wire.
【０００７】請求項２記載の静翼の着脱用治具は、治具
本体が、翼環の円周方向に間隔を開けて複数設けらた径
方向に連通する穴に差し込むピンを有し、このピンを穴
へ差し込むことにより翼環に固定されることを特徴とし
ている。このように、ピンを穴に差し込むことで、簡単
に治具本体を翼環に固定することができる。また、穴は
翼環の円周方向に間隔を開けて複数設けられているの
で、静翼ブロックを動かす方向にあわせて治具本体を固
定する穴を選ぶことができ、静翼ブロックを翼環の任意
の円周方向へ動かすことができる。治具本体を固定する
穴を選ぶ際、穴を静翼ブロックの近くに選ぶと、より簡
単に静翼ブロックを翼環の円周方向に動かすことができ
ると同時に、小さな力で静翼ブロックを引くことがで
き、静翼ブロックの爪部が掛けられた箇所が変形し、静
翼ブロックの形状に影響を及ぼす危険性を抑えることが
できる。According to a second aspect of the present invention, in the jig for attaching / detaching the stationary blade, the jig main body has a pin inserted into a plurality of radially communicating holes provided at intervals in a circumferential direction of the blade ring. It is characterized by being fixed to the wing ring by inserting this pin into the hole. Thus, by inserting the pin into the hole, the jig body can be easily fixed to the blade ring. In addition, since a plurality of holes are provided at intervals in the circumferential direction of the blade ring, a hole for fixing the jig main body can be selected according to the moving direction of the stator blade block, and the stator blade block can be Can be moved in any circumferential direction. When selecting a hole for fixing the jig body, if the hole is selected near the stationary blade block, the stationary blade block can be moved more easily in the circumferential direction of the blade ring, and at the same time, the stationary blade block can be moved with a small force. It can be pulled, and the place where the claw portion of the stationary blade block is hooked is deformed, and the risk of affecting the shape of the stationary blade block can be suppressed.
【０００８】請求項３記載の静翼の着脱用治具は、巻き
取り機が設けられ、翼環の上面に配置される押さえ板
と、前記ピンを有し翼環の外周部側面に配置される固定
板とからなり、押さえ板は、固定板への固定位置がピン
に対して近接離間方向に移動可能とされていることを特
徴としている。つまり、前記穴が設けられた高さにあわ
せて押さえ板の固定板への固定位置を移動させることが
できるので、穴が設けられた高さにあわせて押さえ板の
固定板への固定位置を移動させて、押さえ板とピンの間
隔を調節することができ、穴の設けられた高さによらず
押さえ板を翼環の上面に配置し、治具本体を翼環の外周
部に固定することができる。According to a third aspect of the present invention, there is provided a stationary blade attachment / detachment jig provided with a winding machine, a holding plate disposed on an upper surface of a blade ring, and a pin having the pin and disposed on an outer peripheral side surface of the blade ring. The holding plate is characterized in that the fixing position to the fixing plate is movable in the direction of approaching and separating from the pin. In other words, the fixing position of the holding plate to the fixing plate can be moved according to the height at which the hole is provided, so that the fixing position of the holding plate to the fixing plate according to the height at which the hole is provided. By moving it, the distance between the holding plate and the pin can be adjusted, the holding plate is placed on the upper surface of the blade ring regardless of the height of the hole, and the jig body is fixed to the outer periphery of the blade ring. be able to.
【０００９】請求項４記載の静翼の着脱用治具は、前記
ピンが固定板に着脱自在に固定されていることを特徴と
している。すなわち、穴の大きさにあわせてピンを変え
ることができ、翼環の種類によらず治具本体を翼環に固
定することができる。According to a fourth aspect of the present invention, there is provided a stationary blade attaching / detaching jig, wherein the pin is detachably fixed to a fixing plate. That is, the pin can be changed according to the size of the hole, and the jig body can be fixed to the blade ring regardless of the type of the blade ring.
【００１０】請求項５記載の静翼の着脱用治具は、押さ
え板の下に固定されて、押さえ板と翼環との間に隙間を
形成する板状のスペーサを有することを特徴としてい
る。したがって、翼環の上面の外周に沿って貼られるシ
ール材の内周側にスペーサを配置して、シール材と押さ
え板との間に空間を設けることで、押さえ板によってシ
ール材が傷つけられるのを防ぐことができる。According to a fifth aspect of the present invention, there is provided a stationary blade attachment / detachment jig having a plate-like spacer fixed below the holding plate to form a gap between the holding plate and the blade ring. . Therefore, by disposing the spacer on the inner peripheral side of the sealing material attached along the outer periphery of the upper surface of the blade ring and providing a space between the sealing material and the pressing plate, the sealing material is damaged by the pressing plate. Can be prevented.
【００１１】請求項６記載の静翼の着脱用治具は、スペ
ーサの押さえ板への固定位置が、押さえ板の長手方向に
変更可能とされていることを特徴としている。つまり、
スペーサの固定位置を変更することにより、前記シール
材の幅を問わずスペーサをシール材の内周側に配置し、
シール材と押さえ板との間に空間を設けて、押さえ板に
よってシール材が傷つけられるのを防ぐことができる。According to a sixth aspect of the present invention, in the jig for attaching / detaching the stationary blade, a fixing position of the spacer to the holding plate can be changed in a longitudinal direction of the holding plate. That is,
By changing the fixing position of the spacer, the spacer is arranged on the inner peripheral side of the seal material regardless of the width of the seal material,
By providing a space between the sealing material and the holding plate, the sealing material can be prevented from being damaged by the holding plate.
【００１２】請求項７記載の静翼の着脱用治具は、スペ
ーサが、翼環の円周方向に長い板状に形成され、その長
さ寸法は押さえ板の幅寸法よりも長く形成されているこ
とを特徴としている。したがって、線材を治具本体の方
に引き寄せる際、線材が治具本体を引っ張て、ピンの周
りに回転させようとする力を、スペーサがその長手方向
にわたって受け止め、治具本体がピンの周りに回転する
のを防ぐことができる。According to a seventh aspect of the present invention, in the jig for attaching / detaching the vane, the spacer is formed in a plate shape that is long in the circumferential direction of the blade ring, and the length is formed longer than the width of the holding plate. It is characterized by having. Therefore, when the wire is pulled toward the jig body, the spacer receives the force that pulls the jig body and rotates it around the pin in the longitudinal direction thereof, and the jig body moves around the pin. Rotation can be prevented.
【００１３】[0013]
【発明の実施の形態】以下に、本発明の実施形態例の静
翼の着脱用治具を、図面を参照して説明する。図１に
は、本発明の実施形態例の着脱用治具が示されている。
この着脱用治具は、翼環２０の外周部に固定される治具
本体２と、複数の翼を有する静翼ブロック２２と、翼環
２０の内周面にて周方向に沿って設けられた遮熱環２１
との隙間に爪４ａを挿入して静翼ブロック２２に掛けら
れる爪部４と、この爪部４と治具本体２とに連結された
線材５と、この線材５を治具本体２の方に引き寄せる巻
き取り機６を有している。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A jig for attaching / detaching a stationary blade according to an embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a detachable jig according to an embodiment of the present invention.
The attachment / detachment jig is provided along a circumferential direction on a jig main body 2 fixed to an outer peripheral portion of the blade ring 20, a stationary blade block 22 having a plurality of blades, and an inner peripheral surface of the blade ring 20. Heat shield ring 21
A claw 4 that is inserted into the gap between the claw 4a and the hook 4 and is hung on the stationary blade block 22, a wire 5 connected to the claw 4 and the jig body 2, and the wire 5 is moved toward the jig body 2 Has a winding machine 6 that draws the reels.
【００１４】治具本体２は、巻き取り機６が設けられ
て、翼環２０の上面に配置される押さえ板７と、この押
さえ板７の下に固定される板状のスペーサ８と、翼環２
０の外周部側面に配置される固定板９と、この固定板９
の下部に設けられて、翼環２０の円周方向に間隔を開け
て複数設けらた径方向に連通する穴２４に差し込しこま
れるピン１０とから構成されている。The jig body 2 is provided with a winder 6 and is provided with a pressing plate 7 disposed on the upper surface of the blade ring 20, a plate-shaped spacer 8 fixed below the pressing plate 7, Ring 2
0, a fixed plate 9 disposed on the side surface of the outer peripheral portion,
And a pin 10 inserted in a plurality of radially communicating holes 24 provided at intervals in the circumferential direction of the blade ring 20.
【００１５】押さえ板７は、図２に示すように、ボルト
１１によって固定板９に固定されており、その固定位置
はピン１０に対して近接離間方向に移動可能とされてい
る。スペーサ８は、翼環２０の円周方向の寸法が、押さ
え板７の幅寸法よりも長く形成されていて、押さえ板７
にボルト１２で、固定位置が押さえ板７の長手方向に変
更可能に固定されている。また、ピン１０は、固定板９
にねじ込まれて着脱自在に固定されている。As shown in FIG. 2, the holding plate 7 is fixed to the fixing plate 9 by bolts 11, and the fixing position thereof can be moved in the direction of approaching and separating from the pin 10. The spacer 8 is formed such that the circumferential dimension of the blade ring 20 is longer than the width dimension of the holding plate 7.
The fixing position is fixed so as to be changeable in the longitudinal direction of the holding plate 7 with bolts 12. The pin 10 is fixed to the fixing plate 9.
It is screwed into and fixed detachably.
【００１６】上記治具本体２を、翼環２０の上面の外周
に沿って貼られるシール材２５の内周側にスペーサ８を
置いて、押さえ板７を翼環２０の上面に配置し、固定板
９に固定されたピン１０を前記穴２４に差し込んで、翼
環２０の外周部に固定させる。ピン１０は穴２４の大き
さに合うものを取り付ける。The jig body 2 is fixed by disposing a spacer 8 on the inner peripheral side of a sealing material 25 adhered along the outer periphery of the upper surface of the blade ring 20 and disposing the holding plate 7 on the upper surface of the blade ring 20. The pin 10 fixed to the plate 9 is inserted into the hole 24 and fixed to the outer periphery of the blade ring 20. The pin 10 is fitted to fit the size of the hole 24.
【００１７】次に、爪４ａを静翼ブロック２２と遮熱環
２１との隙間に挿入して、爪部４を静翼ブロック２２に
掛ける。そして、治具本体２に取り付けられた巻き取り
機６で、爪部４と治具本体２とに連結された線材５を巻
き取って治具本体２の方にたぐり寄せる。 すると、線
材５の張力で、静翼ブロック２２が動かされ、治具本体
２に引き寄せられる。Next, the claw 4 a is inserted into the gap between the stationary blade block 22 and the heat shield ring 21, and the claw portion 4 is hung on the stationary blade block 22. Then, the wire 5 connected to the claw portion 4 and the jig main body 2 is taken up by the winding machine 6 attached to the jig main body 2, and the wire 5 is moved toward the jig main body 2. Then, the stationary blade block 22 is moved by the tension of the wire 5 and is drawn to the jig main body 2.
【００１８】静翼ブロック２２が治具本体２に十分引き
寄せらたら、治具本体２を翼環２０からはずし、静翼ブ
ロック２２を動かしたい方向に形成された別の穴２４に
ピン１０を差し込んで、治具本体２を翼環２０に固定し
直し、爪部４を静翼ブロック２２に掛けて、線材５を巻
き取り機６で巻き取って、静翼ブロック２２を翼環２０
の円周方向に動かす。以降、同様の動作を繰り返して、
静翼ブロック２２を翼環２０の円周方向に動かして、翼
環２０の所定位置に着脱させる。When the stationary blade block 22 is sufficiently drawn to the jig main body 2, the jig main body 2 is detached from the blade ring 20, and the pin 10 is inserted into another hole 24 formed in a direction in which the stationary blade block 22 is to be moved. Then, the jig body 2 is fixed to the blade ring 20 again, the claw portion 4 is hung on the stationary blade block 22, the wire 5 is wound up by the winding machine 6, and the stationary blade block 22 is
Move in the circumferential direction. Thereafter, the same operation is repeated,
The stationary blade block 22 is moved in the circumferential direction of the blade ring 20 to be attached to and detached from the predetermined position of the blade ring 20.
【００１９】このように、上記静翼の着脱用治具は、翼
環２０の外周部に固定される治具本体２と、静翼ブロッ
ク２２と遮熱環２１との隙間に挿入される爪４ａが形成
され、静翼ブロック２２に掛けられる爪部４と、爪部４
と治具本体２とに連結された線材５と、線材５を治具本
体２の方に引き寄せる巻き取り機６とを有しているの
で、翼環２０の外周部に治具本体２を固定し、遮熱環２
１に係合された静翼ブロック２２と遮熱環２１との隙間
に爪４ａを挿入して、静翼ブロック２２に爪部４を掛け
て、線材５を巻き取り機６で治具本体２の方に引き寄せ
ることで、線材５の張力によって容易に静翼ブロック２
２を翼環２０の円周方向の所定位置に動かすことができ
る。As described above, the jig for attaching / detaching the stationary blade includes the jig body 2 fixed to the outer peripheral portion of the blade ring 20 and the claw inserted into the gap between the stationary blade block 22 and the heat shield ring 21. 4a are formed, and the claw 4 is hung on the stationary blade block 22;
The jig body 2 is fixed to the outer peripheral portion of the wing ring 20 because it has the wire 5 connected to the jig body 2 and the winding machine 6 that draws the wire 5 toward the jig body 2. And heat shield ring 2
A claw 4 a is inserted into a gap between the stationary blade block 22 and the heat shield ring 21 engaged with the first blade 1, the claw portion 4 is hung on the stationary blade block 22, and the wire 5 is taken up by the winding machine 6 with the jig body 2. To the stationary blade block 2 easily by the tension of the wire 5.
2 can be moved to a predetermined position in the circumferential direction of the blade ring 20.
【００２０】また、上記治具本体２は、固定板９に翼環
２０の円周方向に設けらた径方向に連通する穴２４に差
し込むピン１０が着脱自在に固定されているので、穴２
４の大きさに合うピン１０を穴２４に差し込んで、簡単
に治具本体２を翼環２０の外周部に固定することができ
る。また、穴２４は翼環２０の円周方向に間隔を開けて
複数設けられているので、治具本体２を静翼ブロック２
２を翼環２０の任意の円周方向へ動かすことができる。
また、治具本体２を固定する穴２４を静翼ブロック２２
の近くに選ぶと、より小さい力で静翼ブロック２２を翼
環２０の円周方向に動かすことができると同時に、小さ
な力で静翼ブロック２２を引くことができ、静翼ブロッ
ク２２の爪部４が掛けられた箇所が変形し、静翼ブロッ
ク２２の形状に影響を及ぼす危険性を抑えることができ
る。In the jig body 2, the pin 10 which is inserted into a radially communicating hole 24 provided on the fixing plate 9 in the circumferential direction of the blade ring 20 is detachably fixed.
The jig main body 2 can be easily fixed to the outer peripheral portion of the blade ring 20 by inserting the pin 10 having a size of 4 into the hole 24. Further, since a plurality of holes 24 are provided at intervals in the circumferential direction of the blade ring 20, the jig main body 2 is
2 can be moved in any circumferential direction of the wing ring 20.
Further, the hole 24 for fixing the jig main body 2 is
Is selected, the stationary blade block 22 can be moved in the circumferential direction of the blade ring 20 with a smaller force, and at the same time, the stationary blade block 22 can be pulled with a small force. It is possible to suppress the risk that the portion where the portion 4 is hung is deformed and affects the shape of the stationary blade block 22.
【００２１】さらに、上記治具本体２は、押さえ板７
が、固定板９への固定位置がピン１０に対して近接離間
方向に移動可能とされているので、穴２４が設けられた
高さにあわせて押さえ板７の固定位置を移動させて、押
さえ板７とピン１０の間隔を調節することができ、穴２
４の設けられた高さによらず押さえ板７を翼環２０の上
面に配置し、治具本体２を翼環２０の外周部に固定する
ことができる。また、押さえ板７の下には、押さえ板７
と翼環２０との間に隙間を形成する板状のスペーサ８
が、押さえ板７との固定位置を、押さえ板７の長手方向
に変更可能となるように固定されているので、翼環２０
の上面の外周に沿って貼られるシール材２５の幅を問わ
ず、シール材２５の内周側にスペーサ８を配置して、シ
ール材２５と押さえ板７との間に空間を設けることがで
き、押さえ板７によってシール材２５が傷つけられるの
を防ぐことができる。Further, the jig body 2 includes a holding plate 7.
However, since the fixing position to the fixing plate 9 can be moved in the direction of approaching and separating from the pin 10, the fixing position of the holding plate 7 is moved according to the height at which the hole 24 is provided, and The distance between the plate 7 and the pin 10 can be adjusted.
The jig body 2 can be fixed to the outer peripheral portion of the blade ring 20 by disposing the holding plate 7 on the upper surface of the blade ring 20 irrespective of the height where the blade 4 is provided. Under the holding plate 7, a holding plate 7
Plate-like spacer 8 that forms a gap between the blade ring 20
Is fixed so that the fixing position with the holding plate 7 can be changed in the longitudinal direction of the holding plate 7.
Irrespective of the width of the sealing material 25 applied along the outer periphery of the upper surface, the spacer 8 can be arranged on the inner peripheral side of the sealing material 25 to provide a space between the sealing material 25 and the holding plate 7. In addition, it is possible to prevent the sealing material 25 from being damaged by the pressing plate 7.
【００２２】上記実施形態のスペーサ８は、翼環２０の
円周方向に長い板状に形成され、その長さ寸法は押さえ
板７の幅寸法よりも長く形成されているので、線材５を
治具本体２の方に引き寄せる際、線材５が治具本体２を
引っ張て、ピン１０の周りに回転させようとする力を、
スペーサ８がその長手方向にわたって受け止め、治具本
体２がピン１０の周りに回転するのを防ぐことができ
る。The spacer 8 of the above embodiment is formed in a plate shape that is long in the circumferential direction of the blade ring 20 and its length is formed longer than the width of the pressing plate 7. When the wire 5 pulls the jig body 2 and pulls the jig body 2 around the pin 10,
The spacer 8 is received in the longitudinal direction, so that the jig body 2 can be prevented from rotating around the pin 10.
【００２３】[0023]
【発明の効果】以上、説明したように、本発明の静翼の
着脱用治具によれば、以下の効果を得ることができる。
請求項１記載の静翼の着脱用治具は、翼環の外周部に固
定される治具本体と、静翼ブロックと遮熱環との隙間に
挿入される爪が形成され、静翼ブロックに掛けられる爪
部と、爪部と前記治具本体とに連結された線材と、線材
を治具本体の方に引き寄せる巻き取り機とを有するして
いるので、翼環の外周部に治具本体を固定し、遮熱環に
係合された静翼ブロックと遮熱環との隙間に爪を挿入し
て、静翼ブロックに爪部を掛けて、線材を巻き取り機で
巻き取って治具本体の方に引き寄せることで、線材の張
力によって容易に静翼ブロックを翼環の円周方向に動か
すことができる。As described above, according to the jig for attaching / detaching the stationary blade of the present invention, the following effects can be obtained.
According to the first aspect of the present invention, there is provided a jig for attaching / detaching a stationary blade, wherein a jig body fixed to an outer peripheral portion of the blade ring, and a claw inserted into a gap between the stationary blade block and the heat shield ring are formed. And a wire rod connected to the claw and the jig body, and a winding machine for drawing the wire toward the jig body. Fix the main body, insert a claw into the gap between the stationary blade block and the heat shield ring engaged with the heat shield ring, hook the claw on the stationary blade block, wind the wire with a winder, and cure it. By pulling it toward the tool body, the stator blade block can be easily moved in the circumferential direction of the blade ring by the tension of the wire.
【００２４】請求項２記載の静翼の着脱用治具によれ
ば、治具本体は、翼環の円周方向に間隔を開けて複数設
けらた径方向に連通する穴に差し込むピンを有し、この
ピンを穴へ差し込むことにより翼環に固定されるので、
ピンを穴に差し込むことで、簡単に治具本体を翼環に固
定することができる。また、穴は翼環の円周方向に間隔
を開けて複数設けらているので、静翼ブロックを動かす
方向にあわせて治具本体を固定する穴を選ぶことがで
き、静翼ブロックを翼環の任意の円周方向へ動かすこと
ができる。治具本体を固定する穴を選ぶ際、穴を静翼ブ
ロックの近くに選ぶと、より簡単に静翼ブロックを翼環
の円周方向に動かすことができると同時に、小さな力で
静翼ブロックを引くことができ、静翼ブロックの爪部が
掛けられた箇所が変形し、静翼ブロックの形状に影響を
及ぼす危険性を抑えることができる。According to the jig for attaching / detaching the stationary blade according to the second aspect, the jig body has pins inserted into a plurality of radially communicating holes provided at intervals in the circumferential direction of the blade ring. Then, since this pin is fixed to the wing ring by inserting it into the hole,
By inserting the pin into the hole, the jig body can be easily fixed to the blade ring. In addition, since a plurality of holes are provided at intervals in the circumferential direction of the blade ring, holes for fixing the jig body can be selected according to the direction in which the stationary blade block is moved, and the stationary blade block is Can be moved in any circumferential direction. When selecting a hole for fixing the jig body, if the hole is selected near the stationary blade block, the stationary blade block can be moved more easily in the circumferential direction of the blade ring, and at the same time, the stationary blade block can be moved with a small force. It can be pulled, and the place where the claw portion of the stationary blade block is hooked is deformed, and the risk of affecting the shape of the stationary blade block can be suppressed.
【００２５】請求項３記載の静翼の着脱用治具によれ
ば、治具本体は、巻き取り機が設けられ、翼環の上面に
配置される押さえ板と、ピンを有し翼環の外周部側面に
配置される固定板とからなり、押さえ板は、固定板への
固定位置がピンに対して近接離間方向に移動可能とされ
ているので、穴が設けられた高さにあわせて押さえ板の
固定板への固定位置を移動させて、押さえ板とピンの間
隔を調節することができるので、穴の設けられた高さに
よらず押さえ板を翼環の上面に配置し、治具本体を翼環
の外周部に固定することができる。According to the third aspect of the present invention, the jig main body is provided with a winding machine, and is provided with a holding plate disposed on the upper surface of the blade ring, and a pin having a pin. It consists of a fixing plate arranged on the outer peripheral side surface, and the holding plate is fixed to the fixing plate so that it can move in the direction close to and away from the pin. By moving the fixing position of the holding plate to the fixing plate and adjusting the distance between the holding plate and the pin, the holding plate can be placed on the upper surface of the blade ring regardless of the height at which the holes are provided. The tool body can be fixed to the outer periphery of the blade ring.
【００２６】請求項４記載の静翼の着脱用治具によれ
ば、ピンが固定板に着脱自在に固定されているため、穴
の大きさにあわせてピンを変えることができ、翼環の種
類によらず治具本体を翼環に固定することができる。According to the jig for attaching and detaching the stationary blade according to the fourth aspect, since the pin is detachably fixed to the fixing plate, the pin can be changed according to the size of the hole, and the blade ring can be removed. The jig body can be fixed to the blade ring regardless of the type.
【００２７】請求項５記載の静翼の着脱用治具によれ
ば、治具本体は、押さえ板の下に固定されて、押さえ板
と翼環との間に隙間を形成する板状のスペーサを有する
ので、翼環の上面の外周に沿って貼られるシール材の内
周側にスペーサを配置して、シール材と押さえ板との間
に空間を設けることで、押さえ板によってシール材が傷
つけられるのを防ぐことができる。According to the fifth aspect of the present invention, the jig body is fixed below the holding plate, and is a plate-like spacer for forming a gap between the holding plate and the blade ring. Since a spacer is arranged on the inner peripheral side of the sealing material attached along the outer periphery of the upper surface of the blade ring and a space is provided between the sealing material and the pressing plate, the sealing material is damaged by the pressing plate. Can be prevented.
【００２８】請求項６記載の静翼の着脱用治具によれ
ば、スペーサの押さえ板への固定位置は、押さえ板の長
手方向に変更可能とされているので、スペーサの固定位
置を変更することにより、シール材の幅を問わずスペー
サをシール材の内周側に配置し、シール材と押さえ板と
の間に空間を設けて、押さえ板によってシール材が傷つ
けられるのを防ぐことができる。According to the jig for attaching / detaching the stationary blade according to the sixth aspect, the fixing position of the spacer to the holding plate can be changed in the longitudinal direction of the holding plate, so the fixing position of the spacer is changed. Thereby, regardless of the width of the sealing material, the spacer is arranged on the inner peripheral side of the sealing material, and a space is provided between the sealing material and the pressing plate, so that the sealing material can be prevented from being damaged by the pressing plate. .
【００２９】請求項７記載の静翼の着脱用治具によれ
ば、スペーサは、翼環の円周方向に長い板状に形成さ
れ、その長さ寸法は押さえ板の幅寸法よりも長く形成さ
れているため、線材を治具本体のほうに引き寄せる際、
線材が治具本体を引っ張て、ピンの周りに回転させよう
とする力を、スペーサがその長手方向にわたって受け止
め、治具本体がピンの周りに回転するのを防ぐことがで
きる。According to the seventh aspect of the present invention, the spacer is formed in a plate shape that is long in the circumferential direction of the blade ring, and the length of the spacer is longer than the width of the holding plate. When pulling the wire toward the jig body,
The spacer receives the force that the wire pulls the jig body to rotate around the pin in the longitudinal direction thereof, thereby preventing the jig body from rotating around the pin.
【図１】 本発明の実施形態例の静翼の着脱用治具の側
面図である。FIG. 1 is a side view of a jig for attaching / detaching a stationary blade according to an embodiment of the present invention.
【図２】 本発明の実施形態例の静翼の着脱用治具の斜
視図である。FIG. 2 is a perspective view of a jig for attaching / detaching a stationary blade according to an embodiment of the present invention.
【図３】 従来の静翼の着脱方法を説明するための静翼
ブロックと翼環の断面図である。FIG. 3 is a cross-sectional view of a stationary blade block and a blade ring for explaining a conventional method of attaching and detaching a stationary blade.
２ 治具本体 ４ 爪部 ４ａ 爪 ５ 線材 ６ 巻き取り機 ７ 押さえ板 ８ スペーサ ９ 固定板 １０ ピン ２０ 翼環 ２１ 遮熱環 ２２ 静翼ブロック 2 Jig body 4 Claw portion 4a Claw 5 Wire rod 6 Winding machine 7 Press plate 8 Spacer 9 Fixing plate 10 Pin 20 Blade ring 21 Heat shield ring 22 Stationary blade block
Claims (7)
有する静翼ブロックが、前記翼環の内周面にて周方向に
沿って形成された遮熱環に係合されて取り付けられるタ
ービン翼環に用いられる静翼リングにおいて、分割され
た前記翼環の内周面に沿って前記静翼ブロックを移動さ
せることにより、前記静翼ブロックを前記翼環に着脱さ
せる静翼の着脱用治具であって、前記翼環の外周部に固
定される治具本体と、前記静翼ブロックと前記遮熱環と
の隙間に挿入される爪が形成され、前記静翼ブロックに
掛けられる爪部と、該爪部と前記治具本体とに連結され
た線材と、該線材を前記治具本体の方に引き寄せる巻き
取り機とを有することを特徴とする静翼の着脱用治具。A stationary blade block having a plurality of blades is engaged with an inner peripheral portion of a ring-shaped blade ring on a heat shield ring formed along a circumferential direction on an inner peripheral surface of the blade ring. A vane ring used in a turbine vane ring mounted by moving the vane block along the inner peripheral surface of the divided vane ring, thereby attaching / detaching the vane block to / from the vane ring. A jig body fixed to an outer peripheral portion of the blade ring, and a claw inserted into a gap between the stator blade block and the heat shield ring are formed. A hook for hooking, a wire connected to the hook and the jig main body, and a winding machine for drawing the wire toward the jig main body. Utensils.
間隔を開けて複数設けらた径方向に連通する穴に差し込
むピンを有し、該ピンを穴へ差し込むことにより前記翼
環に固定されることを特徴とする請求項１記載の静翼の
着脱用治具。2. The jig body has pins inserted into a plurality of radially communicating holes provided at intervals in the circumferential direction of the blade ring, and the blade is inserted into the holes to insert the blades. The jig for attaching / detaching a stationary blade according to claim 1, wherein the jig is fixed to a ring.
られ、前記翼環の上面に配置される押さえ板と、前記ピ
ンを有し前記翼環の外周部側面に配置される固定板とか
らなり、前記押さえ板は、前記固定板への固定位置が前
記ピンに対して近接離間方向に移動可能とされているこ
とを特徴とする請求項２記載の静翼の着脱用治具。3. The jig main body is provided with the winder, and is provided with a pressing plate disposed on an upper surface of the blade ring, and a fixing plate having the pin and disposed on an outer peripheral side surface of the blade ring. The jig for attaching / detaching the stationary blade according to claim 2, wherein a position of the holding plate fixed to the fixing plate is movable in a direction approaching to and away from the pin.
定されていることを特徴とする請求項２記載の静翼の着
脱用治具。4. The jig according to claim 2, wherein the pin is detachably fixed to the fixing plate.
定されて、前記押さえ板と前記翼環との間に隙間を形成
する板状のスペーサを有することを特徴とする請求項１
〜４のいずれか１項記載の静翼の着脱用治具。5. The jig body has a plate-like spacer fixed below the holding plate to form a gap between the holding plate and the blade ring.
The jig for attaching / detaching a stationary blade according to any one of claims 4 to 4.
位置が、前記押さえ板の長手方向に変更可能とされてい
ることを特徴とする請求項５記載の静翼の着脱用治具。6. The jig for attaching / detaching a stationary blade according to claim 5, wherein a fixing position of the spacer to the holding plate can be changed in a longitudinal direction of the holding plate.
長い板状に形成され、その長さ寸法は、前記押さえ板の
幅寸法よりも長く形成されていることを特徴とする請求
項５または請求項６記載の静翼の着脱用治具。7. The spacer according to claim 1, wherein the spacer is formed in a plate shape long in a circumferential direction of the blade ring, and a length dimension thereof is longer than a width dimension of the holding plate. The jig for attaching / detaching the stationary blade according to claim 5 or 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001184773A JP4690588B2 (en) | 2001-06-19 | 2001-06-19 | Static blade attachment / detachment jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001184773A JP4690588B2 (en) | 2001-06-19 | 2001-06-19 | Static blade attachment / detachment jig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002371805A true JP2002371805A (en) | 2002-12-26 |
| JP4690588B2 JP4690588B2 (en) | 2011-06-01 |
Family
ID=19024480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001184773A Expired - Fee Related JP4690588B2 (en) | 2001-06-19 | 2001-06-19 | Static blade attachment / detachment jig |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4690588B2 (en) |
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| KR100999849B1 (en) * | 2003-07-14 | 2010-12-13 | 두산중공업 주식회사 | method for change blade of turbine rotor |
| WO2014141521A1 (en) * | 2013-03-14 | 2014-09-18 | 三菱重工業株式会社 | Method for attaching/removing stationary blade ring and auxiliary support device for stationary blade segment used in said method |
| WO2015094669A1 (en) * | 2013-12-17 | 2015-06-25 | United Technologies Corporation | Additive manufacturing lift and pull tool |
| KR101632586B1 (en) * | 2015-10-22 | 2016-06-22 | 한국플랜트서비스주식회사 | blade ring alignment adjust supporter |
| JP2016133106A (en) * | 2015-01-22 | 2016-07-25 | 中電プラント株式会社 | Jig for attachment of stationary blade block |
| CN105829650A (en) * | 2013-10-23 | 2016-08-03 | 诺沃皮尼奥内股份有限公司 | Method for manufacturing a stage of a steam turbine |
| JP2017500476A (en) * | 2013-12-05 | 2017-01-05 | ゼネラル・エレクトリック・カンパニイ | Turbine shroud block removal device |
| KR20180091065A (en) | 2016-01-13 | 2018-08-14 | 미츠비시 히타치 파워 시스템즈 가부시키가이샤 | Wing extraction device and method |
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| KR100999849B1 (en) * | 2003-07-14 | 2010-12-13 | 두산중공업 주식회사 | method for change blade of turbine rotor |
| WO2005054631A1 (en) * | 2003-12-04 | 2005-06-16 | Korea Western Power Co., Ltd | Separator for removing a rotary blade of gas turbine |
| JP2007218118A (en) * | 2006-02-14 | 2007-08-30 | Mitsubishi Heavy Ind Ltd | Fixture |
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| KR20150091411A (en) * | 2013-03-14 | 2015-08-10 | 미츠비시 히타치 파워 시스템즈 가부시키가이샤 | Method for attaching/removing stationary blade ring and auxiliary support device for stationary blade segment used in said method |
| JP2014177888A (en) * | 2013-03-14 | 2014-09-25 | Mitsubishi Heavy Ind Ltd | Attaching/detaching method for stationary blade ring and auxiliary support device for stationary blade segment used for the method |
| US10060449B2 (en) | 2013-03-14 | 2018-08-28 | Mitsubishi Hitachi Power Systems, Ltd. | Method for attaching/removing vane ring and auxiliary support device for vane segment used in said method |
| CN104903550A (en) * | 2013-03-14 | 2015-09-09 | 三菱日立电力系统株式会社 | Method for attaching/removing stationary blade ring and auxiliary support device for stationary blade segment used in said method |
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| KR101707360B1 (en) | 2013-03-14 | 2017-02-15 | 미츠비시 히타치 파워 시스템즈 가부시키가이샤 | Method for attaching/removing stationary blade ring and auxiliary support device for stationary blade segment used in said method |
| CN105829650A (en) * | 2013-10-23 | 2016-08-03 | 诺沃皮尼奥内股份有限公司 | Method for manufacturing a stage of a steam turbine |
| US11333029B2 (en) | 2013-10-23 | 2022-05-17 | Nuovo Pignone Srl | Method for manufacturing a stage of a steam turbine |
| JP2017500476A (en) * | 2013-12-05 | 2017-01-05 | ゼネラル・エレクトリック・カンパニイ | Turbine shroud block removal device |
| WO2015094669A1 (en) * | 2013-12-17 | 2015-06-25 | United Technologies Corporation | Additive manufacturing lift and pull tool |
| JP2016133106A (en) * | 2015-01-22 | 2016-07-25 | 中電プラント株式会社 | Jig for attachment of stationary blade block |
| KR101632586B1 (en) * | 2015-10-22 | 2016-06-22 | 한국플랜트서비스주식회사 | blade ring alignment adjust supporter |
| CN108474264A (en) * | 2016-01-13 | 2018-08-31 | 三菱日立电力系统株式会社 | Blade withdrawing device and method |
| EP3404219A4 (en) * | 2016-01-13 | 2019-09-04 | Mitsubishi Hitachi Power Systems, Ltd. | Blade pull-out device and method |
| CN108474264B (en) * | 2016-01-13 | 2020-10-09 | 三菱日立电力系统株式会社 | Blade taking-out device and method |
| US10954791B2 (en) | 2016-01-13 | 2021-03-23 | Mitsubishi Power, Ltd. | Blade removal device and method |
| KR20180091065A (en) | 2016-01-13 | 2018-08-14 | 미츠비시 히타치 파워 시스템즈 가부시키가이샤 | Wing extraction device and method |
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|---|---|
| JP4690588B2 (en) | 2011-06-01 |
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