JPS60116002U - Turbine rotor blade coupling device - Google Patents

Turbine rotor blade coupling device

Info

Publication number
JPS60116002U
JPS60116002U JP1984002438U JP243884U JPS60116002U JP S60116002 U JPS60116002 U JP S60116002U JP 1984002438 U JP1984002438 U JP 1984002438U JP 243884 U JP243884 U JP 243884U JP S60116002 U JPS60116002 U JP S60116002U
Authority
JP
Japan
Prior art keywords
rotor blade
protrusion
adjacent
extending
angle portion
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.)
Pending
Application number
JP1984002438U
Other languages
Japanese (ja)
Inventor
正平 吉田
清 名村
Original Assignee
株式会社日立製作所
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP1984002438U priority Critical patent/JPS60116002U/en
Publication of JPS60116002U publication Critical patent/JPS60116002U/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • F05D2260/36—Retaining components in desired mutual position by a form fit connection, e.g. by interlocking

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は全周が複数個の群翼からなる従来のタービン動
翼装置の振動特性を示す線図、第２図は本考案の連結装
置によって全周の翼が切れ目なく１つのグループに連結
されたタービン動翼装置の振動特性を示す線図、第３図
は本考案によって連結される動翼装置を示す斜視図、第
４図は本考案によって連結される動翼装置を示す平面図
、第５図は第４図のＩ−Ｉ方向の部分断面図である。 １．２・・・動翼、３．　４．　５．　６・・・突出部
、７゜９・・・半径方向外周面、８，１０・・・半径方
向内周面、１１．　１３．　１５．　１７・・・溝、１
２．１６・・・半径方向外周向きアングル部、１３．１
８・・・半径方向内周向きアングル部、１９・・・捩り
中心。Figure 1 is a diagram showing the vibration characteristics of a conventional turbine rotor blade system consisting of multiple blades all around the circumference, and Figure 2 is a diagram showing the vibration characteristics of a conventional turbine rotor blade system that consists of a plurality of blades around the entire circumference, and Figure 2 shows the blades all around the circumference connected seamlessly into one group by the coupling device of the present invention. FIG. 3 is a perspective view showing a rotor blade device connected according to the present invention; FIG. 4 is a plan view showing a rotor blade device connected according to the present invention; FIG. 5 is a partial sectional view taken along the line II in FIG. 4. 1.2... moving blade, 3. 4. 5. 6... Projection, 7°9... Radial outer circumferential surface, 8, 10... Radial inner circumferential surface, 11. 13. 15. 17...Groove, 1
2.16...Angle portion facing the outer circumference in the radial direction, 13.1
8... Angle portion facing inward in the radial direction, 19... Torsion center.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] タービン動翼の先端部腹側に動翼長手方向゛に対して略
垂直方向に延びる突出部、及び該突出部に対向して位置
し、隣接する動翼の先端部背側に動翼長手方向に対して
略垂直方向に延びる突出部をそれぞれ設け、前記腹側突
出部の半径方向外周面に、該動翼より隣接真方向に位置
し、且つ円周方向に延びる溝を設けることにより、−該
突出部の隣接翼端部を円周方向に延び、且つ半径方向外
周向きのアングル部を形成し、更に隣接する動翼の背側
突出部の半径内周面に、該動翼より隣接真方向に位置し
、且つ円周方向に延びる溝を設けることにより、該突出
部の隣接翼端部に、前記半径方向外周向きのアングル部
とかん合しうる半径方向内周向きのアングル部を形成し
、前記半径方向外周向きのアングル部と該アングル部を
結合し、隣接する動翼を係合することを特徴とするター
ビン動翼連結装置。A protrusion extending substantially perpendicularly to the longitudinal direction of the rotor blade on the ventral side of the tip of the turbine rotor blade, and a protrusion located opposite to the protrusion and extending in the longitudinal direction of the rotor blade on the back side of the tip of the adjacent rotor blade. By providing a protrusion extending substantially perpendicularly to the rotor blade, and providing a groove on the radially outer circumferential surface of the ventral protrusion, the groove being located directly adjacent to the rotor blade and extending in the circumferential direction, - The adjacent blade end of the protruding part extends in the circumferential direction and forms an angle part facing the outer circumference in the radial direction. by providing a groove located in the direction and extending in the circumferential direction, a radially inner circumferentially oriented angle portion that can engage with the radially outer circumferentially oriented angle portion is formed at an adjacent wing end portion of the protruding portion; A turbine rotor blade coupling device characterized in that the angle portion facing the outer circumference in the radial direction is coupled to the angle portion to engage adjacent rotor blades.
JP1984002438U 1984-01-13 1984-01-13 Turbine rotor blade coupling device Pending JPS60116002U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984002438U JPS60116002U (en) 1984-01-13 1984-01-13 Turbine rotor blade coupling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984002438U JPS60116002U (en) 1984-01-13 1984-01-13 Turbine rotor blade coupling device

Publications (1)

Publication Number Publication Date
JPS60116002U true JPS60116002U (en) 1985-08-06

Family

ID=30476117

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984002438U Pending JPS60116002U (en) 1984-01-13 1984-01-13 Turbine rotor blade coupling device

Country Status (1)

Country Link
JP (1) JPS60116002U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003102378A1 (en) * 2002-05-31 2003-12-11 Kabushiki Kaisha Toshiba Turbine moving blade
WO2012041651A1 (en) * 2010-09-30 2012-04-05 Siemens Aktiengesellschaft Blade ring segment, turbomachine and method for producing same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003102378A1 (en) * 2002-05-31 2003-12-11 Kabushiki Kaisha Toshiba Turbine moving blade
WO2012041651A1 (en) * 2010-09-30 2012-04-05 Siemens Aktiengesellschaft Blade ring segment, turbomachine and method for producing same

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