CN102933796A - 安装定子叶片固定罩的方法及使用该方法的装置 - Google Patents

安装定子叶片固定罩的方法及使用该方法的装置 Download PDF

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CN102933796A
CN102933796A CN2011800257195A CN201180025719A CN102933796A CN 102933796 A CN102933796 A CN 102933796A CN 2011800257195 A CN2011800257195 A CN 2011800257195A CN 201180025719 A CN201180025719 A CN 201180025719A CN 102933796 A CN102933796 A CN 102933796A
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blade
cover
rivet
blade wheel
wheel
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CN102933796B (zh
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弗拉斯季米尔·塞德拉切克
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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
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F01D9/042—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector fixing blades to stators
    • F01D9/044—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector fixing blades to stators permanently, e.g. by welding, brazing, casting or the like
    • 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
    • F01D25/28—Supporting or mounting arrangements, e.g. for turbine casing
    • F01D25/285—Temporary support structures, e.g. for testing, assembling, installing, repairing; Assembly methods using such structures
    • 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/91—Mounting on supporting structures or systems on a stationary structure
    • F05B2240/916—Mounting on supporting structures or systems on a stationary structure with provision for hoisting onto the structure
    • 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
    • F05D2230/50—Building or constructing in particular ways
    • 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
    • F05D2230/68—Assembly methods using auxiliary equipment for lifting or holding
    • 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
    • F05D2250/00—Geometry
    • F05D2250/30—Arrangement of components
    • F05D2250/31—Arrangement of components according to the direction of their main axis or their axis of rotation
    • F05D2250/313—Arrangement of components according to the direction of their main axis or their axis of rotation the axes being perpendicular to each other
    • 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
    • F05D2250/00—Geometry
    • F05D2250/30—Arrangement of components
    • F05D2250/35—Arrangement of components rotated
    • 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
    • F05D2260/30—Retaining components in desired mutual position

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

安装定子叶片固定罩的方法，叶片轮（4）位于旋转部分（6）上且通过顶部（7）侧面固定，同时将叶片（5）自由地无任何固定地插入叶片轮（4）中，随着叶片（5）插入支撑在一个固体表面（2）上的叶片轮（4）中，叶片（5）的铆钉（8）插入罩（3）内，使用铆钉头（1）移动铆钉（8），将该叶片固定在罩（3）内，借助旋转部分（6）实现整个叶片轮（4）旋转，来安装下一个铆钉（8），执行该过程直到所有的叶片（5）固定到罩（3）内。实施安装定子叶片固定罩的方法的装置，其包括带有安装在罩上的旋转部分（6）和顶部（7）的非指示框，其用于固定叶片轮（4）使其底部一直垂直在固体表面（2）上的插入叶片（5），铆接头（1）位于内部环形罩区域（3）内。

Description

安装定子叶片固定罩的方法及使用该方法的装置
技术领域
本发明涉及安装定子叶片固定罩的方法及用于实施该方法的装置。
背景技术
固定轮叶片与罩沿其内部直径固定。加工过程期间，罩不附着在叶片上，只有在将固定轮插入和安装在固定轮牢固固定在其上的涡轮机支撑里之后，罩才固定到叶片上。根据叶片安装的实际情况，固定叶片上的突出的铆钉必须在单独的小的覆盖件上手工延展，以此实现为规定数量的铆钉上放置覆盖件钻孔。这样钻出的孔用于在固定叶片的端部插入铆钉。然而，孔和铆钉公差很小以至于一些铆钉不得不用强力压入孔中，固定铆钉和实际的固定叶片都被损坏。当所有的覆盖件通过凸起的铆钉固定在固定叶片的端部时，所需的人为因素和外力带来以下后果：不可控制的人工特性在于其高劳动消耗，消极影响人类器官的强震和主要就无能力施加合适的力在铆钉上，引起需要向下钉入同样高度的铆钉过载且铆钉头部高度不同。
实现安装固定叶片固定罩的装置不是已知的，一直应用的方法是一定程序和装置的结合，特别是手握铆钉锤。
发明内容
这些缺点由用于固定叶片固定罩的方法来避免，其原理在于将叶片自由地无需任何固定地插入叶片轮。叶片轮位于旋转部分上，且通过顶部侧面固定。叶片铆钉一个接一个插入罩中。叶片底部插入叶片轮和叶片轮一起站立在一个固定表面并通过紧握的带有铆钉头的铆钉固定在罩里。当安装完成时，整个叶片轮借助旋转段旋转来安装下一个铆钉，即，整个轮旋转，从而使下一个叶片处于垂直固体表面的一个位置。执行该过程直到所有在罩内的叶片铆钉被安装。
安装固定叶片固定罩的方法和执行该方法的最大优点是铆接过程准确施加的力可以控制且铆钉不会过载。铆接通常在铆钉轴上实现。从而获得高准确性，避免将实际罩安装在铆钉上时固定叶片的变形。多亏使用该装置来实现该方法，工人在手工铆接期间不用接触强震，且不会损害他们的健康。
附图说明
技术设计将通过附图进一步阐明，其中：
图1显示了完成安装定子叶片的固定罩的装置的前视图。
具体实施方式
例1
安装定子叶片固定罩的方法是将叶片5自由地无任何固定地插入叶片轮4中实现。实际叶片轮4位于旋转部分6的侧面且通过顶部7侧面固定，同时，其底部支撑在一个固体表面2上。叶片5插入叶片轮4中的同时，叶片5的铆钉8插入罩3内，从而使叶片支撑在固体表面2上。通过使用铆钉头1移动铆钉8，将该叶片固定在罩3内。任务完成时，整个叶片轮4借助旋转部分6而转动，来安装下一个铆钉8。应用这个方法直到所有的叶片5固定到罩3内。
例2
实施安装定子叶片固定罩的方法的装置包括带有安装在罩上的旋转部分6和顶部7的非指示框，其用于固定叶片轮4使其底部一直垂直在固体表面2上的插入叶片5。铆接头1位于内部环形罩区域3内。
例3
叶片轮4放置在旋转部分6和固体表面2上。确保其通过顶部7侧向移动。叶片5插入叶片轮中，使铆钉8朝向轮中心。准备好的叶片5铆钉8以这种方式放入提前准备的罩3的孔内。铆接头1位于叶片轮4的内部区域，且实际上位于罩3的内部区域，移动铆钉8引起变形从而将罩固定到叶片5上。这种应用下的叶片5和叶片轮4一起位于固体表面2上，叶片轮4直接坐在固体表面上。这样，使用最少的驱散能量传输。另外，整个叶片轮借助旋转部分6旋转，以这种方式来安装下一个叶片。这样应用直到所有叶片固定。这个过程完成时，卸下叶片轮4，很多叶片5安装在实际的叶片轮4上。
本发明的工业实用性
本发明能用于现有的隔圈生产，允许生产带有固定叶片并包括叶片罩的已制成的隔圈。直到最近，罩过去常用于安装涡轮机定距环后的固定，从长远来看，任务完成期间，这是非常不符合人体工程学，且在极端案例中，可以导致装配的涡轮机损坏。这样，对比现有过程，本发明的方法更有效、更快、同时成本更低。

Claims (2)

1.安装定子叶片固定罩的方法，其特征在于，叶片轮（4）放在旋转部分（6）上且通过顶部（7）侧面固定，同时将叶片（5）自由地无任何固定地插入叶片轮（4）中，随着叶片（5）插入支撑在一个固体表面（2）上的叶片轮（4）中，将叶片（5）的铆钉（8）插入罩（3）内，使用铆钉头（1）移动铆钉（8），将该叶片固定在罩（3）内，通过旋转部分（6）实现转动整个叶片轮（4）的旋转，来安装下一个铆钉（8），执行该过程直到所有的叶片（5）固定到罩（3）内。
2.实施安装定子叶片固定罩的方法的装置，其特征在于，包括带有安装在罩上的旋转部分（6）和顶部（7）的非指示框，其用于固定叶片轮（4）使其底部一直垂直在固体表面（2）上的插入的叶片（5），铆接头（1）位于内部环形罩区域（3）内。
CN201180025719.5A 2011-03-31 2011-11-18 安装定子叶片固定罩的方法及使用该方法的装置 Expired - Fee Related CN102933796B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CZ2011-181A CZ305366B6 (cs) 2011-03-31 2011-03-31 Způsob montáže statorových lopatek turbíny a jejich zajištění pomocí bandáže a zařízení k provádění tohoto způsobu
CZPV2011-181 2011-03-31
PCT/IB2011/055191 WO2012131449A1 (en) 2011-03-31 2011-11-18 Device and method for securing cover bands to stator blades

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CN102933796A true CN102933796A (zh) 2013-02-13
CN102933796B CN102933796B (zh) 2015-11-25

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CN (1) CN102933796B (zh)
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PL (1) PL2691608T3 (zh)
WO (1) WO2012131449A1 (zh)

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CN109372599A (zh) * 2018-11-26 2019-02-22 东方电气集团东方汽轮机有限公司 一种用于组装汽轮机静子部件的六向调节支撑装置

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JP6082285B2 (ja) * 2013-03-14 2017-02-15 三菱日立パワーシステムズ株式会社 静翼環の取外・取付方法、及びこの方法に用いる静翼セグメントの補助支持装置

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US4137620A (en) * 1976-10-14 1979-02-06 Julius Beusing Apparatus for connecting a cover band to guide blading of a turbomachine
US4437213A (en) * 1982-08-19 1984-03-20 Transamerica Delaval Inc. Means for tenon-forming a shroud to a turbine rotor
EP0393567A1 (fr) * 1989-04-21 1990-10-24 Gec Alsthom Sa Procédé et dispositif pour le rivetage d'un bandage aux sommets d'ailettes montées sur un rotor
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CN201669367U (zh) * 2010-05-07 2010-12-15 中国长江动力公司(集团) 圆盘类叶轮铆接装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109372599A (zh) * 2018-11-26 2019-02-22 东方电气集团东方汽轮机有限公司 一种用于组装汽轮机静子部件的六向调节支撑装置

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Publication number Publication date
CZ2011181A3 (cs) 2011-08-10
WO2012131449A1 (en) 2012-10-04
CN102933796B (zh) 2015-11-25
BR112012016716B1 (pt) 2020-11-10
EP2691608B1 (en) 2019-07-17
BR112012016716A2 (pt) 2018-06-05
CZ305366B6 (cs) 2015-08-19
PL2691608T3 (pl) 2020-02-28
EP2691608A1 (en) 2014-02-05

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