JP6301633B2 - テーパねじ及びガスタービン - Google Patents
テーパねじ及びガスタービン Download PDFInfo
- Publication number
- JP6301633B2 JP6301633B2 JP2013231901A JP2013231901A JP6301633B2 JP 6301633 B2 JP6301633 B2 JP 6301633B2 JP 2013231901 A JP2013231901 A JP 2013231901A JP 2013231901 A JP2013231901 A JP 2013231901A JP 6301633 B2 JP6301633 B2 JP 6301633B2
- Authority
- JP
- Japan
- Prior art keywords
- screw
- taper screw
- taper
- turbine
- shroud
- 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.)
- Active
Links
- 239000007789 gas Substances 0.000 claims description 20
- 239000000567 combustion gas Substances 0.000 claims description 8
- 230000004323 axial length Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
- F01D25/246—Fastening of diaphragms or stator-rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/20—Mounting or supporting of plant; Accommodating heat expansion or creep
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J13/00—Covers or similar closure members for pressure vessels in general
- F16J13/02—Detachable closure members; Means for tightening closures
- F16J13/12—Detachable closure members; Means for tightening closures attached by wedging action by means of screw-thread, interrupted screw-thread, bayonet closure, or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/60—Assembly methods
- F05D2230/64—Assembly methods using positioning or alignment devices for aligning or centring, e.g. pins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/10—Stators
- F05D2240/11—Shroud seal segments
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/94—Functionality given by mechanical stress related aspects such as low cycle fatigue [LCF] of high cycle fatigue [HCF]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
Claims (2)
- 被締結部材に形成されたテーパ状のめねじに螺合されるテーパ状のおねじから成るテーパねじであって、
前記おねじの底面にテーパねじ中心孔が形成され、該テーパねじ中心孔の深さは、前記おねじの軸方向長さの半分以下であり、
前記テーパねじの先端からねじの根元にかけて、接触面圧が均一となるように、前記テーパねじ中心孔の径及び深さを設定していることを特徴とするテーパねじ。 - 大気から吸い込んだ空気を作動流体として断熱圧縮する圧縮機と、該圧縮機から供給された圧縮空気に燃料を混合し燃焼することで高温高圧のガスを生成する燃焼器と、動翼及び静翼が交互に配置され、前記燃焼器から導入された燃焼ガスの膨張の際に回転力を発生するタービンとを備え、
前記動翼の上部にはシュラウドセグメントが設けられていると共に、該シュラウドセグメントはタービンケーシングと軸方向及び径方向に固定され、周方向は、前記タービンケーシングに開けられたシュラウドロックピン穴からシュラウドロックピンが挿入されて固定され、かつ、前記シュラウドロックピン穴がテーパねじによって蓋が施されているガスタービンであって、
前記テーパねじは、請求項1に記載のテーパねじであることを特徴とするガスタービン。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013231901A JP6301633B2 (ja) | 2013-11-08 | 2013-11-08 | テーパねじ及びガスタービン |
CN201410618178.2A CN104632830B (zh) | 2013-11-08 | 2014-11-05 | 锥形螺钉及燃气轮机 |
US14/534,463 US9945293B2 (en) | 2013-11-08 | 2014-11-06 | Tapered thread for gas turbine shroud |
EP14192191.6A EP2871332B1 (en) | 2013-11-08 | 2014-11-07 | Tapered thread for use in a gas turbine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013231901A JP6301633B2 (ja) | 2013-11-08 | 2013-11-08 | テーパねじ及びガスタービン |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015094367A JP2015094367A (ja) | 2015-05-18 |
JP6301633B2 true JP6301633B2 (ja) | 2018-03-28 |
Family
ID=51868855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013231901A Active JP6301633B2 (ja) | 2013-11-08 | 2013-11-08 | テーパねじ及びガスタービン |
Country Status (4)
Country | Link |
---|---|
US (1) | US9945293B2 (ja) |
EP (1) | EP2871332B1 (ja) |
JP (1) | JP6301633B2 (ja) |
CN (1) | CN104632830B (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB201417415D0 (en) * | 2014-10-02 | 2014-11-19 | Rolls Royce Plc | Fan track liner assembly |
CN108050101A (zh) * | 2017-12-19 | 2018-05-18 | 哈尔滨广瀚燃气轮机有限公司 | 一种舰船燃气轮机高压比压气机叶片连接外环 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2396469A (en) * | 1944-03-16 | 1946-03-12 | American Instr Company | Closure for high-pressure vessels |
JPH0666372A (ja) * | 1992-08-21 | 1994-03-08 | Toyota Autom Loom Works Ltd | ドレンプラグ |
JP3495551B2 (ja) * | 1997-04-03 | 2004-02-09 | 三菱重工業株式会社 | テーパーねじ付きボルト |
JP4064555B2 (ja) * | 1998-12-22 | 2008-03-19 | 三菱重工業株式会社 | 検査穴封止構造 |
JP2004011853A (ja) * | 2002-06-10 | 2004-01-15 | Ebara Corp | 閉塞具 |
JP2005199294A (ja) * | 2004-01-14 | 2005-07-28 | Matsumoto Jukogyo Kk | 巻き先ボルトの製造方法 |
JP5007200B2 (ja) * | 2007-10-31 | 2012-08-22 | 範八 松井 | テストプラグ |
JP5364045B2 (ja) * | 2010-06-11 | 2013-12-11 | 川崎重工業株式会社 | 油圧機器用埋め栓 |
US8870171B2 (en) * | 2011-02-14 | 2014-10-28 | General Electric Company | Shroud retaining pin extraction systems and methods |
-
2013
- 2013-11-08 JP JP2013231901A patent/JP6301633B2/ja active Active
-
2014
- 2014-11-05 CN CN201410618178.2A patent/CN104632830B/zh active Active
- 2014-11-06 US US14/534,463 patent/US9945293B2/en active Active
- 2014-11-07 EP EP14192191.6A patent/EP2871332B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20150128613A1 (en) | 2015-05-14 |
EP2871332A1 (en) | 2015-05-13 |
US9945293B2 (en) | 2018-04-17 |
CN104632830A (zh) | 2015-05-20 |
JP2015094367A (ja) | 2015-05-18 |
CN104632830B (zh) | 2017-03-15 |
EP2871332B1 (en) | 2021-03-31 |
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