JP2012167616A - Combustion cylinder holding device - Google Patents

Combustion cylinder holding device Download PDF

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JP2012167616A
JP2012167616A JP2011029953A JP2011029953A JP2012167616A JP 2012167616 A JP2012167616 A JP 2012167616A JP 2011029953 A JP2011029953 A JP 2011029953A JP 2011029953 A JP2011029953 A JP 2011029953A JP 2012167616 A JP2012167616 A JP 2012167616A
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combustion cylinder
jig
holding device
rotary table
holding
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JP5602048B2 (en
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Osamu Nakao
治 中尾
Daiji Yoshida
大次 吉田
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Mitsubishi Heavy Industries Ltd
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Mitsubishi Heavy Industries Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a combustion cylinder holding device capable of holding a combustion cylinder of a collar type and a taper type by the one device, when manufacturing the combustion cylinder of a gas turbine combustor.SOLUTION: This combustion cylinder holding device 20 for holding an end part of the combustion cylinder 1A of the gas turbine combustor on a rotary table 22 of a positioner 21, includes a plurality of tools 13 for holding a collar part of a combustor end part and a plurality of tools 30 for holding a taper part 3 of the combustor end part, and the tools 13 and 30 are alternately arranged in the peripheral direction of a table surface 22a of the rotary table 22.

Description

本発明は、ガスタービン燃焼器の燃焼筒を製造する場合等に用いられる燃焼筒保持装置に関する。   The present invention relates to a combustion cylinder holding device used when manufacturing a combustion cylinder of a gas turbine combustor.

ガスタービンを構成する燃焼器は、たとえば下記の特許文献１に示すように、燃焼筒と呼ばれる金属製の円筒形状部品を備えている。この燃焼筒は、製造時に溶接等の作業が必要になることから、作業時に燃焼筒（板材を成形した構成部材を含む）を保持する燃焼筒保持装置が必要となる。   A combustor constituting a gas turbine includes a metal cylindrical part called a combustion cylinder as shown in Patent Document 1 below, for example. Since this combustion cylinder requires work such as welding at the time of manufacture, a combustion cylinder holding device that holds the combustion cylinder (including a component member formed from a plate material) at the time of operation is required.

図４及び図５に示す従来の燃焼筒保持装置１０は、ポジショナー１１の回転テーブル１２に燃焼筒１の端部を保持して溶接等の作業を行うための装置である。
この燃焼筒保持装置１０は、燃焼筒１の両端部に設けられたフランジ状の鍔部２を、爪状の冶具（第１治具）１３により係止して保持するように構成されている。なお、円形の回転テーブル１２は、ポジショナー１１に対して角度変更が可能である。 A conventional combustion cylinder holding device 10 shown in FIGS. 4 and 5 is an apparatus for holding an end of the combustion cylinder 1 on a rotary table 12 of a positioner 11 and performing an operation such as welding.
The combustion cylinder holding device 10 is configured to engage and hold the flange-shaped flanges 2 provided at both ends of the combustion cylinder 1 with a claw-shaped jig (first jig) 13. . The circular rotary table 12 can be changed in angle with respect to the positioner 11.

図示の冶具１３は、円形の回転テーブル１２に対してボルト１４を用いて着脱可能に設置され、回転テーブル１２の周方向へ１２０度ピッチに３箇所配置されている。
また、冶具１３の先端部には、鍔部１２の係止用として、傾斜面１３ａが形成されている。そして、ボルト１４を用いて冶具１３を回転テーブル１２に固定する際には、半径方向の長穴１３ｂを用いて冶具１３を外側から軸中心方向へスライドさせることにより、傾斜面１３ａと回転テーブル１２との間に鍔部２を挟持して固定することができる。 The illustrated jig 13 is detachably installed on the circular turntable 12 using bolts 14, and is arranged at three positions at a 120-degree pitch in the circumferential direction of the turntable 12.
In addition, an inclined surface 13 a is formed at the front end of the jig 13 for locking the flange 12. When the jig 13 is fixed to the turntable 12 using the bolts 14, the inclined surface 13a and the turntable 12 are slid by sliding the jig 13 from the outside toward the axial center using the long holes 13b in the radial direction. The heel part 2 can be clamped between and fixed.

特開２００２−６１８４２号公報JP 2002-61842 A

ところで、上述したガスタービンの燃焼筒１は両端部に鍔部２を有する構造（タイプ）であるが、たとえば図３に示す燃焼筒１Ａのように、両端部に鍔部２がなく、代わりにテーパ部３を形成した構造（タイプ）の採用も予想される。この燃焼筒１Ａは、肉厚の異なる円筒部材を溶接し、溶接部４の端部側近傍で肉厚の円筒部材をテーパ部３に機械加工したものである。
このため、従来の燃焼筒保持装置１０を改良することにより、燃焼筒製造時には、鍔部２を設けた鍔タイプの燃焼筒１及びテーパ部３を形成したテーパタイプの燃焼筒１Ａについて、両方のタイプを１台の装置で保持可能にすることが望まれる。 By the way, although the combustion cylinder 1 of the gas turbine mentioned above is a structure (type) which has the collar part 2 in both ends, it does not have the collar part 2 in both ends like the combustion cylinder 1A shown, for example in FIG. Adoption of a structure (type) in which the tapered portion 3 is formed is also expected. 1 A of this combustion cylinder welds the cylindrical member from which thickness differs, and machined the cylindrical member with thickness to the taper part 3 in the end part side vicinity of the welding part 4. As shown in FIG.
For this reason, by improving the conventional combustion cylinder holding device 10, when manufacturing the combustion cylinder, both the soot-type combustion cylinder 1 provided with the soot 2 and the tapered combustion cylinder 1 </ b> A formed with the taper 3 are used. It is desirable to be able to hold the type with a single device.

すなわち、従来の燃焼筒保持装置１０を用いて異なるタイプの燃焼筒１，１Ａを保持するためには、新たにテーパタイプ専用の冶具を備えた回転テーブルを用意し、必要に応じて回転テーブルを付け替える段取り替えの作業が必要になるが、このような段取り替えの作業は、作業効率や安全性を低下させる要因となるため好ましくない。
本発明は、上記の課題を解決するためになされたもので、その目的とするところは、ガスタービン燃焼器の燃焼筒製造時等において、鍔タイプ及びテーパタイプの燃焼筒を１台で保持可能な燃焼筒保持装置を提供することにある。 That is, in order to hold different types of combustion cylinders 1 and 1A using the conventional combustion cylinder holding device 10, a rotary table having a new taper type jig is prepared, and the rotary table is installed as necessary. A changeover operation to be replaced is required, but such a changeover operation is not preferable because it causes a reduction in work efficiency and safety.
The present invention has been made in order to solve the above-described problems. The object of the present invention is to hold a single-type and tapered-type combustion cylinders when a combustion cylinder of a gas turbine combustor is manufactured. Is to provide a simple combustion cylinder holding device.

本発明は、上記の課題を解決するため、下記の手段を採用した。
本発明に係る燃焼筒保持装置は、ガスタービン燃焼器の燃焼筒の端部をポジショナーの回転テーブルに保持する燃焼筒保持装置であって、燃焼器端部の鍔部を保持する複数の第１冶具と、燃焼器端部のテーパ部を保持する複数の第２冶具とが、前記回転テーブルのテーブル面周方向に交互に設けられていることを特徴とするものである。 In order to solve the above problems, the present invention employs the following means.
A combustion cylinder holding device according to the present invention is a combustion cylinder holding apparatus that holds an end of a combustion cylinder of a gas turbine combustor on a rotary table of a positioner, and a plurality of first cylinders that hold a flange portion of the combustor end. A jig and a plurality of second jigs that hold the tapered portion of the combustor end are alternately provided in the circumferential direction of the table surface of the rotary table.

このような燃焼筒保持装置によれば、燃焼器端部の鍔部を保持する複数の第１冶具と、燃焼器端部のテーパ部を保持する複数の第２冶具とが、回転テーブルのテーブル面周方向に交互に設けられているので、第１冶具により鍔タイプの燃焼筒を保持し、第２冶具によりテーパタイプの燃焼筒を保持することが可能となる。すなわち、１台の燃焼筒保持装置で鍔タイプの燃焼筒及びテーパタイプの燃焼筒を保持し、溶接等の必要な作業を実施することができる。
この場合、第１冶具及び第２冶具は、各々がテーブル面の周方向へ１２０度ピッチに３個ずつ設けられていることが好ましく、従って、合計６個の第１冶具及び第２冶具は、周方向へ交互に６０度ピッチに設置されることが好ましい。 According to such a combustion cylinder holding device, the plurality of first jigs that hold the flange portion of the combustor end portion and the plurality of second jigs that hold the tapered portion of the combustor end portion are the table of the rotary table. Since they are provided alternately in the circumferential direction, it becomes possible to hold the saddle type combustion cylinder with the first jig and hold the taper type combustion cylinder with the second jig. That is, it is possible to hold a soot-type combustion cylinder and a taper-type combustion cylinder with a single combustion cylinder holding device and perform necessary operations such as welding.
In this case, it is preferable that each of the first jig and the second jig is provided at a pitch of 120 degrees in the circumferential direction of the table surface, and accordingly, a total of six first jigs and second jigs, It is preferable that they are alternately installed at a pitch of 60 degrees in the circumferential direction.

上記の発明において、前記第２治具は、前記燃焼筒のテーパ部と向きあう面に、テーパ部と接する傾斜面を有する板状部材であることが望ましい。   In the above invention, the second jig is preferably a plate-like member having an inclined surface in contact with the tapered portion on a surface facing the tapered portion of the combustion cylinder.

上述した本発明の燃焼筒保持装置によれば、ガスタービン燃焼器の燃焼筒製造時等において、１台の燃焼筒保持装置で鍔タイプ及びテーパタイプの異なる燃焼筒を保持可能となる。この結果、鍔タイプ専用の冶具を備えた回転テーブルとテーパタイプ専用の冶具を備えた回転テーブルとを交換するような段取り替えの作業が不要になるので、段取り替えに要する時間の節約による作業効率の向上や、回転テーブル交換作業時に回転テーブルを落下させるようなリスクの低減による安全性の向上という顕著な効果が得られる。   According to the above-described combustion cylinder holding device of the present invention, it is possible to hold different combustion cylinders of the soot type and the taper type with a single combustion cylinder holding device when the combustion cylinder of the gas turbine combustor is manufactured. As a result, it is not necessary to perform the setup change work such as exchanging the rotary table equipped with the jig for the saddle type and the rotary table equipped with the jig for the taper type. A significant effect of improving safety and improving safety by reducing the risk of dropping the rotary table when the rotary table is replaced is obtained.

本発明に係る燃焼筒保持装置の一実施形態を示す図で、（ａ）は側面図、（ｂ）は（ａ）のＡ−Ａ断面図である。It is a figure which shows one Embodiment of the combustion cylinder holding | maintenance apparatus which concerns on this invention, (a) is a side view, (b) is AA sectional drawing of (a). 図１に示した燃焼筒保持装置の冶具によりテーパ部を保持した状態を示す要部拡大図であり、（ａ）は側面図、（ｂ）は（ａ）のＢ矢視図である。It is a principal part enlarged view which shows the state which hold | maintained the taper part with the jig of the combustion cylinder holding | maintenance apparatus shown in FIG. 1, (a) is a side view, (b) is a B arrow view of (a). テーパタイプの燃焼筒について、テーパ部の構造を拡大して示す断面図である。It is sectional drawing which expands and shows the structure of a taper part about a taper type combustion cylinder. 鍔タイプの燃焼筒に適用される従来の燃焼筒保持装置を示す図で、（ａ）は側面図、（ｂ）は（ａ）のＣ−Ｃ断面図である。It is a figure which shows the conventional combustion cylinder holding | maintenance apparatus applied to a soot type combustion cylinder, (a) is a side view, (b) is CC sectional drawing of (a). 図４に示した鍔タイプの燃焼筒を保持する冶具を示す図で、（ａ）は側面図、（ｂ）は底面図である。It is a figure which shows the jig which hold | maintains the soot-type combustion cylinder shown in FIG. 4, (a) is a side view, (b) is a bottom view.

以下、本発明に係る燃焼筒保持装置の一実施形態を図面に基づいて説明する。
図１及び図２に示す実施形態の燃焼筒保持装置２０は、たとえばガスタービン燃焼器の燃焼筒１Ａを製造する際に使用される。この燃焼筒保持装置２０は、ポジショナー２１に取り付けられた回転テーブル２２に燃焼筒１Ａの端部を保持させ、燃焼筒１Ａを回転テーブル２２とともに適宜回転させるなどして、たとえば溶接等の作業を行う際に最適な作業姿勢をとれるように調整可能な装置である。なお、燃焼筒１Ａは、図示とは反対側の端部も同様の装置により保持されている。 Hereinafter, an embodiment of a combustion cylinder holding device according to the present invention will be described with reference to the drawings.
The combustion cylinder holding device 20 of the embodiment shown in FIGS. 1 and 2 is used, for example, when manufacturing a combustion cylinder 1A of a gas turbine combustor. The combustion cylinder holding device 20 performs an operation such as welding, for example, by holding the end of the combustion cylinder 1A on the rotary table 22 attached to the positioner 21 and appropriately rotating the combustion cylinder 1A together with the rotary table 22. It is a device that can be adjusted so that an optimal working posture can be taken. Note that the end of the combustion cylinder 1A opposite to that shown in the figure is held by a similar device.

また、燃焼筒保持装置２０は、燃焼筒１Ａの両端部に設けられたテーパ部３を保持するため、爪状の冶具（第２治具）３０により係止して保持するように構成されている。この冶具３０は、たとえば図２に示すように、先端に傾斜面３１を有する板状部材である。この傾斜面３１は、保持した燃焼筒１Ａが安定するように、テーパ部３の傾斜に合わせた形状とすることが望ましい。具体的には、傾斜面３１及びテーパ部３の傾斜角度を一致させ、さらに、傾斜面３１がテーパ部３に接する側の端部を燃焼筒１Ａの円弧形状に合わせることが望ましい。換言すれば、治具３０は、燃焼筒１Ａのテーパ部３と向きあう面に、テーパ部３と接する傾斜面３１を有する板状部材である。   Further, the combustion cylinder holding device 20 is configured to be locked and held by a claw-like jig (second jig) 30 in order to hold the tapered portions 3 provided at both ends of the combustion cylinder 1A. Yes. For example, as shown in FIG. 2, the jig 30 is a plate-like member having an inclined surface 31 at the tip. It is desirable that the inclined surface 31 has a shape that matches the inclination of the tapered portion 3 so that the held combustion cylinder 1A is stabilized. Specifically, it is desirable that the inclined angles of the inclined surface 31 and the tapered portion 3 are made to coincide with each other, and the end portion on the side where the inclined surface 31 is in contact with the tapered portion 3 is matched with the arc shape of the combustion cylinder 1A. In other words, the jig 30 is a plate-like member having an inclined surface 31 in contact with the tapered portion 3 on a surface facing the tapered portion 3 of the combustion cylinder 1A.

冶具３０の固定は、回転テーブル２２のテーブル面２２ａに突設されている固定台座２３のスタッドボルト２４に長穴３２を通し、スタッドボルト２４にナット２５を締め込んでなされる。すなわち、ナット２５を締め込む前の治具３０は、長穴３２に沿って半径方向へスライド可能である。なお、固定台座２３は、燃焼筒１Ａの端部からテーパ部３までの寸法を考慮して突出し、ナット２５を締め込んだ状態において、テーブル面２２ａに先端部を当接させた燃焼筒１Ａのテーパ部３の傾斜面に対して、治具３０の傾斜面３１が密着して係止するように設定されている。   The jig 30 is fixed by passing a long hole 32 through the stud bolt 24 of the fixed base 23 protruding from the table surface 22 a of the rotary table 22 and tightening a nut 25 into the stud bolt 24. That is, the jig 30 before tightening the nut 25 can slide in the radial direction along the elongated hole 32. The fixed pedestal 23 protrudes in consideration of the dimension from the end of the combustion cylinder 1A to the taper part 3, and in the state where the nut 25 is tightened, the fixed pedestal 23 of the combustion cylinder 1A having the tip end abutted against the table surface 22a. The inclined surface 31 of the jig 30 is set in close contact with the inclined surface of the tapered portion 3 so as to be locked.

また、各治具３０は、２本のスタッドボルト２４を用いて回転テーブル２２に固定されるので、これによっても安定した保持が可能となる。なお。治具３０の固定は、スタッドボルト２４及びナット２５に代えて、回転テーブル２２側に設けたボルト穴にボルトを螺合させる構造としてもよい。   Moreover, since each jig 30 is fixed to the rotary table 22 using two stud bolts 24, this also enables stable holding. Note that. The jig 30 may be fixed in place of the stud bolt 24 and the nut 25 by screwing a bolt into a bolt hole provided on the rotary table 22 side.

さて、上述した治具３０は、円形の回転テーブル２２のテーブル面２２ａに対し、回転テーブル２２の周方向へ１２０度ピッチに３箇所配置されており、各治具３０はナット２５により着脱可能となっている。
そして、本実施形態の燃焼筒保持装置２０は、たとえば図１（ｂ）に示すように、上述した鍔タイプ用の第１治具である治具１３と、テーパタイプ用の第２治具である治具３０とが周方向へ交互に配設されている。すなわち、治具１３及び治具３０は、いずれも１２０度ピッチに設置されていることから、治具１３及び治具３０は、合計６個の冶具が周方向へ交互に６０度ピッチで設置されていることとなる。 The jigs 30 described above are arranged at three positions at a pitch of 120 degrees in the circumferential direction of the rotary table 22 with respect to the table surface 22a of the circular rotary table 22, and each jig 30 can be attached and detached by a nut 25. It has become.
And the combustion cylinder holding | maintenance apparatus 20 of this embodiment is as shown in FIG.1 (b), for example with the jig | tool 13 which is the 1st jig | tool for saddle types mentioned above, and the 2nd jig | tool for taper types. A certain jig 30 is alternately arranged in the circumferential direction. That is, since the jig 13 and the jig 30 are both installed at a pitch of 120 degrees, the jig 13 and the jig 30 are installed in a total of six jigs alternately at a pitch of 60 degrees in the circumferential direction. Will be.

このように構成された燃焼筒保持装置２０によれば、燃焼器端部の鍔部２を保持する複数の冶具１３と、燃焼器端部のテーパ部３を保持する複数の冶具３０とが、回転テーブル２２のテーブル面２２ａの周方向に交互に設けられているので、鍔タイプ専用の治具１３により鍔タイプの燃焼筒１を保持し、テーパタイプ専用の冶具３０によりテーパタイプの燃焼筒１Ａを保持することが可能となる。すなわち、１台の燃焼筒保持装置２０で鍔タイプの燃焼筒１及びテーパタイプの燃焼筒１Ａを保持し、溶接等の必要な作業を実施することができる。   According to the combustion cylinder holding device 20 configured as described above, the plurality of jigs 13 that hold the flange portion 2 at the end of the combustor and the plurality of jigs 30 that hold the tapered portion 3 at the end of the combustor include: Since it is provided alternately in the circumferential direction of the table surface 22a of the rotary table 22, the soot type combustion cylinder 1 is held by the jig 13 dedicated to the soot type, and the tapered combustion cylinder 1A is provided by the jig 30 dedicated to the taper type. Can be held. That is, it is possible to hold the soot-type combustion cylinder 1 and the taper-type combustion cylinder 1 </ b> A with one combustion cylinder holding device 20 and perform necessary operations such as welding.

また、テーパタイプの燃焼筒１Ａを保持する場合には、たとえば図１（ｂ）に示すように、使用しない鍔タイプ用の治具１３を保持位置から略９０度回転させた位置に固定し、鍔タイプの燃焼筒１を保持する場合には、使用しないテーパタイプ用の治具３０を取り外すことで、保持する燃焼筒１，１Ａとの干渉を防止できる。   Further, when holding the tapered combustion cylinder 1A, for example, as shown in FIG. 1B, the saddle type jig 13 that is not used is fixed at a position rotated approximately 90 degrees from the holding position, When holding the saddle type combustion cylinder 1, it is possible to prevent interference with the holding combustion cylinders 1 and 1A by removing the taper type jig 30 that is not used.

従って、上述した本実施形態の燃焼筒保持装置２０によれば、ガスタービン燃焼器の燃焼筒製造時等において、１台の燃焼筒保持装置２０で鍔タイプ及びテーパタイプの異なる燃焼筒１，１Ａを保持可能となる。この結果、鍔タイプ専用の冶具１３を備えた回転テーブル１２とテーパタイプ専用の冶具３０を備えた回転テーブルとを交換するような段取り替えの作業が不要となり、段取り替えに要する時間の節約により作業効率が向上するとともに、回転テーブル交換作業時に回転テーブルを落下させるようなリスクの低減により安全性が向上する。   Therefore, according to the above-described combustion cylinder holding device 20 of the present embodiment, the combustion cylinder 1, 1A, which is different in the soot type and the taper type in one combustion cylinder holding device 20, when the combustion cylinder of the gas turbine combustor is manufactured. Can be held. As a result, it is not necessary to perform a setup change operation for exchanging the rotary table 12 provided with the jig 13 dedicated to the saddle type and the rotary table provided with the jig 30 dedicated to the taper type, thereby saving time required for the setup change. The efficiency is improved and the safety is improved by reducing the risk of dropping the rotary table when the rotary table is replaced.

このように、本実施形態の燃焼筒保持装置２０は、燃焼器端部の鍔部２を保持する複数の治具（第１冶具）１３と、燃焼器端部のテーパ部３を保持する複数の治具（第２冶具）３０とを、回転テーブル２２のテーブル面２２ａの周方向に交互に設けておくことを特徴とするが、治具１３，３０の数、形状及び配置等については、安定した保持が可能であれば特に限定されることはない。
なお、本発明は上述した実施形態に限定されることはなく、その要旨を逸脱しない範囲内において適宜変更することができる。 Thus, the combustion cylinder holding device 20 of the present embodiment includes a plurality of jigs (first jigs) 13 that hold the flange portion 2 at the combustor end and a plurality that holds the tapered portion 3 at the combustor end. The jigs (second jigs) 30 are alternately provided in the circumferential direction of the table surface 22a of the rotary table 22, but the number, shape, arrangement, and the like of the jigs 13, 30 are as follows. There is no particular limitation as long as stable holding is possible.
In addition, this invention is not limited to embodiment mentioned above, In the range which does not deviate from the summary, it can change suitably.

１，１Ａ 燃焼筒
２ 鍔部
３ テーパ部
１０，２０ 燃焼筒保持装置
１１，２１ ポジショナー
１２，２２ 回転テーブル
１３ 治具（第１治具）
２２ａ テーブル面
２３ 固定台座
３０ 治具（第２治具）
３１ 傾斜面
DESCRIPTION OF SYMBOLS 1,1A Combustion cylinder 2 Gutter part 3 Taper part 10,20 Combustion cylinder holding device 11,21 Positioner 12,22 Rotary table 13 Jig (1st jig)
22a Table surface 23 Fixed base 30 Jig (second jig)
31 Inclined surface

Claims (2)

ガスタービン燃焼器の燃焼筒の端部をポジショナーの回転テーブルに保持する燃焼筒保持装置であって、
燃焼器端部の鍔部を保持する複数の第１冶具と、燃焼器端部のテーパ部を保持する複数の第２冶具とが、前記回転テーブルのテーブル面周方向に交互に設けられていることを特徴とする燃焼筒保持装置。 A combustion cylinder holding device for holding an end of a combustion cylinder of a gas turbine combustor on a rotary table of a positioner,
A plurality of first jigs for holding the flange portion of the combustor end portion and a plurality of second jigs for holding the tapered portion of the combustor end portion are alternately provided in the circumferential direction of the table surface of the rotary table. A combustion cylinder holding device. 前記第２治具は、前記燃焼筒のテーパ部と向きあう面に、テーパ部と接する傾斜面を有する板状部材であることを特徴とする請求項１に記載の燃焼筒保持装置。
2. The combustion cylinder holding device according to claim 1, wherein the second jig is a plate-like member having an inclined surface in contact with the tapered portion on a surface facing the tapered portion of the combustion cylinder.
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60113839U (en) * 1984-01-06 1985-08-01 新キャタピラ−三菱株式会社 Workpiece fixture
JPH0979577A (en) * 1995-09-11 1997-03-28 Mitsubishi Heavy Ind Ltd Mounting/demounting apparatus for gas turbine combustor
JPH09168931A (en) * 1995-04-06 1997-06-30 Toshiba Corp Gas turbine disassembling/assembling device
JPH11125426A (en) * 1997-10-23 1999-05-11 Sanwa Tekki Corp Assistant device for attaching and detaching operation of combustor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60113839U (en) * 1984-01-06 1985-08-01 新キャタピラ−三菱株式会社 Workpiece fixture
JPH09168931A (en) * 1995-04-06 1997-06-30 Toshiba Corp Gas turbine disassembling/assembling device
JPH0979577A (en) * 1995-09-11 1997-03-28 Mitsubishi Heavy Ind Ltd Mounting/demounting apparatus for gas turbine combustor
JPH11125426A (en) * 1997-10-23 1999-05-11 Sanwa Tekki Corp Assistant device for attaching and detaching operation of combustor

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