CN101555833A - 过渡件冲击套筒及其组装方法 - Google Patents

过渡件冲击套筒及其组装方法 Download PDF

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CN101555833A
CN101555833A CNA2009101342611A CN200910134261A CN101555833A CN 101555833 A CN101555833 A CN 101555833A CN A2009101342611 A CNA2009101342611 A CN A2009101342611A CN 200910134261 A CN200910134261 A CN 200910134261A CN 101555833 A CN101555833 A CN 101555833A
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impingement sleeve
transition piece
piece
housing
sleeve according
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K·C·贝尔索姆
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General Electric Co
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General Electric Co
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23RGENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00Continuous combustion chambers using liquid or gaseous fuel
    • F23R3/002Wall structures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D9/00Stators
    • F01D9/02Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/023Transition ducts between combustor cans and first stage of the turbine in gas-turbine engines; their cooling or sealings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23RGENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00Continuous combustion chambers using liquid or gaseous fuel
    • F23R3/42Continuous combustion chambers using liquid or gaseous fuel characterised by the arrangement or form of the flame tubes or combustion chambers
    • F23R3/60Support structures; Attaching or mounting means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00Function
    • F05D2260/20Heat transfer, e.g. cooling
    • F05D2260/201Heat transfer, e.g. cooling by impingement of a fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23RGENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R2900/00Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
    • F23R2900/03044Impingement cooled combustion chamber walls or subassemblies
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49826Assembling or joining
    • Y10T29/4984Retaining clearance for motion between assembled parts
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49826Assembling or joining
    • Y10T29/49947Assembling or joining by applying separate fastener
    • Y10T29/49954Fastener deformed after application
    • Y10T29/49956Riveting
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49826Assembling or joining
    • Y10T29/49947Assembling or joining by applying separate fastener
    • Y10T29/49963Threaded fastener

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

本发明涉及过渡件冲击套筒及其组装方法。具体而言,本文公开了一种用于燃气涡轮燃烧过渡件(34)的冲击套筒(10)。冲击套筒(10)包括可邻近过渡件(34)本体的第一部分(46)定位的壳体(14)以及可邻近过渡件(34)本体的第二部分(54)定位的盖件(22),该第一部分(46)具有整体地形成于其上的至少两个凸缘(18),该第二部分(54)具有整体地形成于其上的至少两个唇部(26),该至少两个唇部(26)无焊缝地附接到该至少两个凸缘(18)上,以便将所述冲击套筒(10)定位在过渡件(34)本体的径向外部。

Description

过渡件冲击套筒及其组装方法
技术领域
本文公开的主题涉及用于燃气涡轮发动机的冲击套筒。
背景技术
这种冲击套筒通常固定地附接在过渡件周围。有些过渡件的几何形状使得冲击套筒由围绕过渡件组装且彼此固定地附接的两个或更多部分组成成为必要。在这种应用中,常规实践是将冲击套筒的两个或更多部分焊接在一起。这种焊接操作可能难以进行且会使得在现场更换有缺陷的冲击套筒是耗时且困难的。因而,易于组装和拆卸的冲击套筒在本领域将会广为接受。
发明内容
本文公开了一种用于燃气涡轮燃烧过渡件的冲击套筒。冲击套筒包括可紧接过渡件本体第一部分定位的壳体以及可紧接过渡件本体第二部分定位的盖件,过渡件本体的第一部分具有整体地形成于其上的至少两个凸缘,过渡件本体的第二部分具有整体地形成于其上的至少两个唇部,该至少两个唇部无焊缝地附接到该至少两个凸缘上,以便将冲击套筒定位在过渡件本体的径向外部。
本文还公开了一种在过渡件本体处组装冲击套筒的方法。该方法包括:将冲击套筒的壳体定位在过渡件本体的第一部分上;将冲击套筒的盖件定位在过渡件本体的第二部分上;以及将冲击套筒壳体的至少一个凸缘无焊缝地附接到冲击套筒盖件的至少一个唇部上。
附图说明
以下描述不应认为以任何方式进行限制。参看附图,同样的部件采用同样的附图标记:
图1示出了文中公开的组装到燃气涡轮燃烧过渡件上的冲击套筒的透视图;
图2示出了图1中冲击套筒和过渡件的分解图;
图3示出了图1中冲击套筒和过渡件的截面透视图;以及
图4示出了图1中冲击套筒和过渡件的截面图。
零件清单
冲击套筒  10
壳体      14
凸缘      18
盖件      22
唇部      26
紧固件    30
过渡件    34
孔        38
外表面    42
部分      46
间隙      50
部分      54
间隙      58
孔        62,66
第一端部  68
板        69
支架      70
第二端部  74
突起      78
第一端部  82
边部        86
槽          90
边部        94
导管        98
第二端部    102
边部        106
搭接部      110
边部        114
搭接部      118
具体实施方式
通过示例和不限于参看附图,文中描述了所公开设备及方法的一个或多个实施例的详细说明。
参看图1和图2,示出了文中公开的冲击套筒10的实施例。冲击套筒10包括具有安装凸缘18的冲击套筒壳体14、具有安装唇部26的冲击套筒盖件22,以及在此示出为螺钉的多个紧固件30。在组装构造中,如图1所示,冲击套筒10定位在具有外部表面42的燃气涡轮燃烧过渡件的径向外部。壳体14和盖件22均具有贯穿其的多个孔38,这些孔38允许冷却流体如空气贯穿其传送。
参看图3和图4,壳体14形成为精密地模仿过渡件34的部分46的形状,壳体14相对于该部分46定位成紧密邻近。因此,在壳体14与部分46之间产生受控间隙50。盖件22类似地形成为精密地模仿过渡件34的部分54的形状,其中盖件22相对于该部分54定位成紧密邻近。因此,在盖件22与部分54之间产生受控间隙58。在操作期间冷却流体分别流经壳体14和盖件22中的孔38、经过间隙50和间隙58,并冲击部分46和部分54的外部表面42,从而冷却过渡件34。
当壳体14和盖件22定位成围绕过渡件34的包壳构造时,壳体14和盖件22构造为使得凸缘18和唇部26基本上彼此平行。当在此位置时,凸缘18上的多个孔62与唇部26上的多个孔66对准,多个紧固件30穿过其紧固。在该实施例中,紧固件30是螺纹连接到板69中的螺纹孔内的螺钉;然而,备选的实施例可使用铆钉、销或其它紧固件将凸缘18附接到唇部26上。在还有的其它实施例中,凸缘18可通过不包括焊接的其它技术附接到唇部26上,例如通过将凸缘18和唇部26中的一个卷压到其中的另一个上,或者例如通过使用粘结剂将凸缘18附接到唇部26上。
一对支承支架70中每一个的第一端部68通过一对紧固件30而在壳体14或盖件22的任一侧上附接到其中的一个凸缘18和其中的一个唇部26上。支承支架70中每一个的第二端部74从过渡件34的第一端部82附接到一对突起78中的一个上。支架70相对于过渡件34的第一端部82定位地(positionally)支承壳体14和盖件22。通过延伸到第一端部82中的槽90内的壳体14的边部86而在壳体14与过渡件34的第一端部82之间提供了附加支承。类似地,通过延伸到第一端部82中的槽90内的盖件22的边部94而在盖件22与过渡件34的第一端部82之间提供了附加支承。除了支承壳体14和盖件22之外,边部86,94与槽90的接合提供了阻碍冷却流体穿过该接触面流入间隙50,58的流体密封。
壳体14和盖件22被支承和密封在靠近过渡件34的第二端部102的导管98上。壳体14的边部106与导管98形成搭接部110,而盖件22的边部114与导管98形成搭接部118。由壳体14与盖件22组装产生的环向强度维持边部106和边部114与导管98相接触以便保证支承于其上和在其间密封。
尽管参看示范性实施例已描述了本发明,但本领域技术人员应当理解在不脱离本发明的范围内可作不同的变换和用等效物替代其中的部件。此外,在不脱离其基本范围内可作多种变型以适合本发明教导的特定场合和材料。因此,本发明并不限于作为构思出用于实施本发明的最佳模式所公开的特定实施例,而是本发明将包括落入所附权利要求范围内的所有实施例。同样,在附图和说明书中,已公开了本发明的示范性实施例,尽管或已使用特定用语,但它们除非另外声明均只用于一般和描述性含义而非限制目的,因此本发明的范围并不受这样地限制。此外,用语第一、第二等的使用并不表示任何顺序或重要性,而只不过是使用用语第一、第二等来将一个部件与另一个部件相区分。此外,使用的用语一、一个等并不表示限定数量,而只不过是表示存在所指条目中的至少一个。

Claims (10)

1.一种用于燃气涡轮燃烧过渡件(34)的冲击套筒(10),包括:
可邻近过渡件(34)本体的第一部分(46)定位的壳体(14),所述第一部分(46)具有形成于其上的至少两个凸缘(18);以及
可邻近过渡件(34)本体的第二部分(54)定位的盖件(22),所述第二部分(54)具有形成于其上的至少两个唇部(26),所述至少两个唇部(26)无焊缝地附接到所述至少两个凸缘(18)上,以便将所述冲击套筒(10)定位在所述过渡件(34)本体的径向外部。
2.根据权利要求1所述的冲击套筒(10),其特征在于,所述至少两个凸缘(18)和所述至少两个唇部(26)具有接收紧固件(30)的多个孔(38)。
3.根据权利要求2所述的冲击套筒(10),其特征在于,所述紧固件(30)是螺钉。
4.根据权利要求3所述的冲击套筒(10),其特征在于,多个所述螺钉(30)可螺纹接合板(69)中的多个螺纹孔。
5.根据权利要求2所述的冲击套筒(10),其特征在于,所述紧固件(30)是铆钉。
6.根据权利要求1所述的冲击套筒(10),其特征在于,所述至少两个凸缘(18)和所述至少两个唇部(26)中的至少一个可附接到一个或多个支架(70)上。
7.根据权利要求1所述的冲击套筒(10),其特征在于,所述壳体(14)和所述盖件(22)中的至少一个具有贯穿其用于传送冷却流体的多个孔(38)。
8.根据权利要求1所述的冲击套筒(10),其特征在于,所述壳体(14)还包括第一边部(86)和所述盖件(22)还包括第二边部(94),使得所述第一边部(86)和所述第二边部(94)形成与所述过渡件(34)的端部(82)相接合的环。
9.根据权利要求1所述的冲击套筒(10),其特征在于,所述壳体(14)还包括第一边缘和所述盖件(22)还包括第二边缘,以及所述第一边缘和所述第二边缘在所述过渡件(34)的第二端部(102)处可密封地与导管(98)相接合。
10.一种在过渡件(34)本体处组装冲击套筒(10)的方法,包括:
将所述冲击套筒(10)的壳体(14)定位在所述过渡件(34)本体的第一部分(46)上;
将所述冲击套筒(10)的盖件(22)定位在所述过渡件(34)本体的第二部分(54)上;以及
将所述冲击套筒(10)的壳体(14)的至少一个凸缘(18)无焊缝地附接到所述冲击套筒盖件(22)的至少一个唇部(26)上。
CNA2009101342611A 2008-04-08 2009-04-08 过渡件冲击套筒及其组装方法 Pending CN101555833A (zh)

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CN102679397A (zh) * 2011-03-15 2012-09-19 通用电气公司 冲击套筒和用于设计和形成冲击套筒的方法
CN102865110A (zh) * 2011-07-05 2013-01-09 通用电气公司 用于涡轮系统中的过渡导管的支撑组件
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