KR910003237A - Side inlet groove for installing turbine braid - Google Patents

Side inlet groove for installing turbine braid Download PDF

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Publication number
KR910003237A
KR910003237A KR1019890010776A KR890010776A KR910003237A KR 910003237 A KR910003237 A KR 910003237A KR 1019890010776 A KR1019890010776 A KR 1019890010776A KR 890010776 A KR890010776 A KR 890010776A KR 910003237 A KR910003237 A KR 910003237A
Authority
KR
South Korea
Prior art keywords
rotor
rotor assembly
mounting groove
braid
mounting
Prior art date
Application number
KR1019890010776A
Other languages
Korean (ko)
Inventor
월터 헤인니 로저
Original Assignee
엠. 피이. 린치
웨스팅하우스 일렉트릭 코오포레이숀
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 엠. 피이. 린치, 웨스팅하우스 일렉트릭 코오포레이숀 filed Critical 엠. 피이. 린치
Publication of KR910003237A publication Critical patent/KR910003237A/en

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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
    • F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
    • F01D1/34—Non-positive-displacement machines or engines, e.g. steam turbines characterised by non-bladed rotor, e.g. with drilled holes
    • 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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/08—Heating, heat-insulating or cooling means
    • F01D5/081—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades
    • F01D5/084—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades the fluid circulating at the periphery of a multistage rotor, e.g. of drum type
    • 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
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

내용 없음.No content.

Description

터어빈 브레이드를 장착히가 위한 측면유입홈Side inlet groove for mounting turbine braid

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 회전자, 터어빈 케이싱, 실린더, 고정 브레이드 및 회전 브레이드를 도시하는 종래의 증기터어빈의 일부 횡단면도.1 is a partial cross sectional view of a conventional steam turbine showing the rotor, turbine casing, cylinder, stationary braid and rotating braid;

제2도는 제1도에 예시된 회전자의 일부 횡단면도.FIG. 2 is a partial cross sectional view of the rotor illustrated in FIG.

제3도는 제1도의 회전자의 회전 브레이드를 장착하기 위해 사용된 측면유임홈의 일부를 도시하는 것으로, 제2도의 III-III선을 따라 자른 일부 횡단면도의 확대도.3 shows a portion of the side recess groove used to mount the rotating braid of the rotor of FIG. 1, an enlarged view of a partial cross section taken along line III-III of FIG.

Claims (7)

증기터어빈(10)을 회전자 조립체로서, 회전자(12)는 그위에 원주방향으로 형성된 복수의 회전자 브레이드, 장착부(44,46,48,50,52,54)를 가지고, 복수의 측면유입장착홈(56,58,60)은 회전자의 원주에 같은 간격으로 떨어진 복수의 장착부의 각각에 형성되고, 회전자(12)에 대해 축방향으로 향해지며, 각각의 장착홈은 복수의 장착홈내의 복수의 장착부의 하나에서 회전자(12)에 장착된 적어도 하나의 회전자 브레이드(16,18,20,22,24,26)의 열을 구비하면서, 두개의 대칭으로 형상화된 대향하는 측벽(66, 68) 및 바닥벽(64)를 가지고, 그러한 각각의 열내의 회전자 브레이드는, 각각의 브레이드가 루우트부(80), 플랫포옴부(82) 및 주름부(84)를 가지면서, 서로 동일하고, 각각의 루우트부(80)가 각각의 대응하는 장착홈의 형상으로 되어 있는 증기터어빈용 회전자 조립체에 있어서, 냉각통로(102, 104) 냉각증기의 통로로서 적합한 럭부(96)를 장착홈(56-60)의 인접하는 표면영역 사이의 상기 가장 밑바닥 럭부(76)의 대향면에 설치하는 것을 특징으로 하는 회전자 조립체.The steam turbine 10 is a rotor assembly, and the rotor 12 has a plurality of rotor braids and mounting portions 44, 46, 48, 50, 52, and 54 formed in a circumferential direction thereon, and a plurality of side inflows. The mounting grooves 56, 58, and 60 are formed in each of the plurality of mounting portions spaced at equal intervals on the circumference of the rotor, and are axially oriented with respect to the rotor 12, each mounting groove being a plurality of mounting grooves. Two symmetrically shaped opposing sidewalls having rows of at least one rotor braid (16,18,20,22,24,26) mounted to the rotor (12) in one of the plurality of mounting portions therein ( 66, 68 and bottom wall 64, the rotor braid in each such row being identical to each other, with each braid having a root portion 80, a platform portion 82 and a corrugation portion 84 In the rotor assembly for a steam turbine, each root portion 80 is in the shape of a corresponding mounting groove. And a lump portion 96 suitable as a passage for the cooling steam 102 and 104 on the opposite surface of the bottom ridge portion 76 between the adjacent surface regions of the mounting grooves 56-60. Rotor assembly. 제1항에 있어서, 각각의 냉각통로(102, 104)는 장착홈의 측벽의 절단 표면(103, 105)과 루우트부의 가장 밑바작 럭부(96)의 인접표면(106, 108)사이의 공간에 의해 형성되는 것을 특징으로 하는 회전자 조립체.2. The cooling passages (102, 104) of claim 1, wherein each cooling passage (102, 104) is a space between the cut surfaces (103, 105) of the sidewalls of the mounting groove and the adjacent surfaces (106, 108) of the bottommost ridge (96) of the root portion. Rotor assembly, characterized in that formed by. 제2항에 있어서, 장착홈의 측벽의 각각의 절단표면(103, 105)은 날카롭게 형성된 것을 특징으로 하는 회전자 조립체.3. Rotor assembly according to claim 2, wherein each cut surface (103, 105) of the side wall of the mounting groove is sharply formed. 제1항에 있어서, 각각의 루우트부(80)의 가장 밑바닥 럭부(96,98,100)는 상기 통로(102, 104)를 형성하도록 루우트부(80)의 바닥단부를 향해 안쪽으로 경사지는 대향측벽을 가지는 것을 특징으로 하는 회전자 조립체.2. The bottom ridges 96, 98 and 100 of each route portion 80 have opposite side walls that slope inwardly toward the bottom end of the route portion 80 to form the passageways 102 and 104. Rotor assembly having a. 제4항에 있어서, 럭부의 각각의 절단표면은 가장 낮은 럭부(96)의 하나의 측벽에서 가장 낮은 럭부(96)의 바닥벽으로 뻗은 평평한, 경사표면(110, 112)를 가지는 것을 특징으로 하는 회전자 조립체.5. The cut surface of claim 4 wherein each cut surface has a flat, inclined surface (110, 112) extending from one sidewall of the lowest lump (96) to the bottom wall of the lowest lump (96). Rotor assembly. 제4항에 있어서, 냉각통로는 가장 낮은 럭부(96)의 절단표면(128)과 장착홈의 바닥벅(124) 사이의 공간에 의해 형성되고, 절단표면(128)은 장착홈의 바닥벽(124)에서 평행하게 공간진 럭부의 평평한 바닥벽을 형성하는 것을 특징으로 하는 회전자 조립체.5. The cooling passage according to claim 4, wherein the cooling passage is formed by the space between the cut surface 128 of the lowest ridge portion 96 and the bottom buck 124 of the mounting groove, and the cut surface 128 is formed by the bottom wall of the mounting groove. Rotor assembly, characterized in that in 124 to form a flat bottom wall of the spaced rack portion in parallel. 제1항 내지 제6항에 있어서, 각각 조립된 장착홈과 회전자 브레이드 루우트부 사이의 접촉표면을 위한 공차는 0.0025mm와 0.023mm 사이의 범위이고, 두개의 냉각슬롯(102, 104는 120, 122)의 면적은 약 32mm2인 것을 특징으로 하는 회전자 조립체.The tolerance for the contact surface between the assembled mounting groove and the rotor braid root portion, respectively, is in the range between 0.0025 mm and 0.023 mm, and the two cooling slots 102, 104 are 120, respectively. 122) is about 32 mm 2 in the rotor assembly. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890010776A 1988-07-29 1989-07-29 Side inlet groove for installing turbine braid KR910003237A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US22626388A 1988-07-29 1988-07-29
US226,263 1988-07-29

Publications (1)

Publication Number Publication Date
KR910003237A true KR910003237A (en) 1991-02-27

Family

ID=22848205

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890010776A KR910003237A (en) 1988-07-29 1989-07-29 Side inlet groove for installing turbine braid

Country Status (4)

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EP (1) EP0353447A1 (en)
JP (1) JPH0270904A (en)
KR (1) KR910003237A (en)
CN (1) CN1039873A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5403156A (en) * 1993-10-26 1995-04-04 United Technologies Corporation Integral meter plate for turbine blade and method
DE19705441A1 (en) * 1997-02-13 1998-08-20 Bmw Rolls Royce Gmbh Turbine impeller disk
JP5322664B2 (en) * 2009-01-14 2013-10-23 株式会社東芝 Steam turbine and cooling method thereof
EP2428642A1 (en) * 2010-09-08 2012-03-14 Siemens Aktiengesellschaft Rotor for a steam turbine with circumferential recesses inclined in respect to the rotor main axis
FR3140649A1 (en) * 2022-10-07 2024-04-12 Safran Aircraft Engines DISC FOR AN AIRCRAFT TURBOMACHINE TURBINE
CN117307254B (en) * 2023-11-28 2024-01-23 成都中科翼能科技有限公司 Turbine rotor structure of gas turbine

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GB579316A (en) * 1941-05-07 1946-07-31 Hayne Constant Improvements in gas turbines, axial flow or turbine type gas compressors and the like machines
US2858103A (en) * 1956-03-26 1958-10-28 Westinghouse Electric Corp Gas turbine apparatus
DE1076446B (en) * 1957-10-25 1960-02-25 Siemens Ag Device for blade cooling in gas turbines
US3045968A (en) * 1959-12-10 1962-07-24 Gen Motors Corp Fir tree blade mount
FR1526683A (en) * 1967-06-12 1968-05-24 United Aircraft Corp Cooled turbine disc
DE1601619A1 (en) * 1967-08-31 1970-05-21 Prvni Brnenska Strojirna Zd Y Device for volume control of the cooling air in the axial suspensions of the blades of combustion turbines
US3501249A (en) * 1968-06-24 1970-03-17 Westinghouse Electric Corp Side plates for turbine blades
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CH495496A (en) * 1969-02-26 1970-08-31 Bbc Sulzer Turbomaschinen Turbomachine with a cooled rotor
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JPS59113206A (en) * 1982-12-20 1984-06-29 Hitachi Ltd Blade fixing structure for turbo machine
JPS61205302A (en) * 1985-03-06 1986-09-11 Mitsubishi Heavy Ind Ltd Blade stopper in axial direction for turbine moving blade

Also Published As

Publication number Publication date
CN1039873A (en) 1990-02-21
JPH0270904A (en) 1990-03-09
EP0353447A1 (en) 1990-02-07

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