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RU98115308A - DEVICE FOR TURBINE RADIAL GAP CONTROL - Google Patents

DEVICE FOR TURBINE RADIAL GAP CONTROL

Info

Publication number
RU98115308A
RU98115308A RU98115308/06A RU98115308A RU98115308A RU 98115308 A RU98115308 A RU 98115308A RU 98115308/06 A RU98115308/06 A RU 98115308/06A RU 98115308 A RU98115308 A RU 98115308A RU 98115308 A RU98115308 A RU 98115308A
Authority
RU
Russia
Prior art keywords
turbine
paragraphs
fiberglass
probe
shaft
Prior art date
Application number
RU98115308/06A
Other languages
Russian (ru)
Other versions
RU2166100C2 (en
Inventor
Цернер Вальтер
Original Assignee
Сименс Акциенгезелльшафт
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
Priority claimed from DE19601225A external-priority patent/DE19601225C1/en
Application filed by Сименс Акциенгезелльшафт filed Critical Сименс Акциенгезелльшафт
Publication of RU98115308A publication Critical patent/RU98115308A/en
Application granted granted Critical
Publication of RU2166100C2 publication Critical patent/RU2166100C2/en

Links

Claims (10)

1. Устройство для определения изменения положения на турбине (2) с валом турбины (4) и/или на закрепленных на нем лопатках турбины (6, 10), которые окружены корпусом турбины (8), с проходящим через корпус турбины (8) стекловолоконным зондом (12), отличающееся тем, что оно содержит расположенную на поверхности по меньшей мере одной лопатки турбины (6, 10) и/или на поверхности вала турбины (4) измерительную базовую точку (18) из неокисляющегося материала для отражения света из световолоконного зонда (12) и средства для определения разниц интенсивности в отраженном свете, а также средства для сравнения разницы интенсивности с определенным по времени раньше опорным значением.1. Device for determining a change in position on a turbine (2) with a turbine shaft (4) and / or on turbine blades (6, 10) mounted on it, which are surrounded by a turbine housing (8), with fiberglass passing through the turbine housing (8) probe (12), characterized in that it comprises a measuring base point (18) of non-oxidizing material located on the surface of at least one turbine blade (6, 10) and / or on the surface of the turbine shaft (4) to reflect light from a fiber optic probe (12) and means for determining differences in intensity in reflection light, as well as means for comparing the difference in intensity with a previously determined reference value. 2. Устройство по п. 1, отличающееся тем, что неокисляющийся материал измерительной базовой точки (18) является окалиностойким. 2. The device according to claim 1, characterized in that the non-oxidizing material of the measuring base point (18) is scale-resistant. 3. Устройство по п. 1 или 2, отличающееся тем, что стекловолоконный зонд (12) выполнен в виде стекловолоконного пучка (36). 3. The device according to claim 1 or 2, characterized in that the fiberglass probe (12) is made in the form of a fiberglass beam (36). 4. Устройство по любому из пп. 1-3, отличающееся тем, что стекловолоконный зонд (12) является вставляемым в корпус турбины (8) с возможностью разъема. 4. The device according to any one of paragraphs. 1-3, characterized in that the fiberglass probe (12) is inserted into the turbine housing (8) with the possibility of a connector. 5. Устройство по любому из пп. 1 - 4, отличающееся тем, что стекловолоконный зонд (12) вставлен в изолированную керамикой (16) трубу (17). 5. The device according to any one of paragraphs. 1 to 4, characterized in that the fiberglass probe (12) is inserted into the ceramic pipe (17) insulated (17). 6. Устройство по любому из пп. 1 - 5, отличающееся тем, что стекловолоконный зонд (12) в области между двумя частями корпуса турбины (30, 32) проходит через эластичную оболочку (34). 6. The device according to any one of paragraphs. 1 to 5, characterized in that the glass fiber probe (12) in the region between the two parts of the turbine housing (30, 32) passes through an elastic shell (34). 7. Устройство по любому из пп. 1 - 6, отличающееся тем, что предусмотрен световодный приемопередатчик (14), соединенный со стекловолоконным зондом (12). 7. The device according to any one of paragraphs. 1 - 6, characterized in that there is a light guide transceiver (14) connected to the fiberglass probe (12). 8. Устройство по любому из пп. 1 - 7, отличающееся тем, что по меньшей мере одна измерительная базовая точка (18) из неокисляющегося материала расположена на поверхности вала в области лабиринтного уплотнения (24), предусмотренного между валом турбины (4) и корпусом турбины (8). 8. The device according to any one of paragraphs. 1 to 7, characterized in that at least one measuring base point (18) of non-oxidizing material is located on the shaft surface in the area of the labyrinth seal (24) provided between the turbine shaft (4) and the turbine body (8). 9. Устройство по любому из пп. 1 - 8, отличающееся тем, что для измерения смещения вала предусмотрено множество стекловолоконных зондов (12) и соответствующее количество измерительных базовых точек (18) на поверхности вала (4) и/или на лопатках турбины (6, 10). 9. The device according to any one of paragraphs. 1 to 8, characterized in that for measuring the shaft displacement, a plurality of fiberglass probes (12) and a corresponding number of measuring base points (18) on the surface of the shaft (4) and / or on the turbine blades (6, 10) are provided. 10. Устройство по любому из пп. 1-9, отличающееся тем, что предусмотрена система оценки и диагностики для определения и представления характеристики радиального зазора, а также смещения вала. 10. The device according to any one of paragraphs. 1-9, characterized in that an evaluation and diagnostic system is provided for determining and presenting the radial clearance characteristics as well as the shaft displacement.
RU98115308/06A 1996-01-15 1997-01-08 Device for check of radial clearance of turbine RU2166100C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19601225.2 1996-01-15
DE19601225A DE19601225C1 (en) 1996-01-15 1996-01-15 Device for monitoring the radial gap of a turbine

Publications (2)

Publication Number Publication Date
RU98115308A true RU98115308A (en) 2000-06-10
RU2166100C2 RU2166100C2 (en) 2001-04-27

Family

ID=7782792

Family Applications (1)

Application Number Title Priority Date Filing Date
RU98115308/06A RU2166100C2 (en) 1996-01-15 1997-01-08 Device for check of radial clearance of turbine

Country Status (8)

Country Link
EP (1) EP0874950B1 (en)
JP (1) JP3792256B2 (en)
KR (1) KR100461262B1 (en)
CN (1) CN1082131C (en)
DE (2) DE19601225C1 (en)
ES (1) ES2146091T3 (en)
RU (1) RU2166100C2 (en)
WO (1) WO1997026444A2 (en)

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ATE347023T1 (en) 2003-06-26 2006-12-15 Alstom Technology Ltd A REFLECTIVE TARGET HOLDER USED FOR MEASURING THE DEFLECTION OF A TURBINE HOUSING
EP1617174A1 (en) * 2004-07-12 2006-01-18 Siemens Aktiengesellschaft Radial clearance determination
GB2427683B (en) * 2005-06-25 2007-06-20 Rolls Royce Plc A gap monitor arrangement
US7578164B2 (en) * 2005-09-22 2009-08-25 General Electric Company Method and apparatus for inspecting turbine nozzle segments
CN101358841B (en) * 2007-08-01 2010-06-16 鸿富锦精密工业(深圳)有限公司 Color wheel parameter detecting system and method
CN101358840B (en) * 2007-08-01 2010-06-23 鸿富锦精密工业(深圳)有限公司 Color wheel parameter detecting system and method
US20090142194A1 (en) * 2007-11-30 2009-06-04 General Electric Company Method and systems for measuring blade deformation in turbines
US7916311B2 (en) * 2008-10-31 2011-03-29 General Electric Company Method and system for inspecting blade tip clearance
US8274053B2 (en) * 2009-03-10 2012-09-25 GM Global Technology Operations LLC System and method for valve seat gap evaluation
FI123228B (en) * 2010-04-20 2012-12-31 Waertsilae Finland Oy Arrangement for detecting axial movement of an axis
EP2397656A1 (en) 2010-06-14 2011-12-21 Siemens Aktiengesellschaft Method for positioning a radial clearance existing between rotary blade tips of a rotor blade and a channel wall and device for measuring a radial clearance of a turbo machine with axial flow
FR2990754B1 (en) 2012-05-15 2015-06-05 Snecma DEVICE FOR MEASURING THE VIBRATORY AMPLITUDES OF THE AUBES IN A TURBOMACHINE
RU2556297C2 (en) * 2013-10-23 2015-07-10 Федеральное государственное бюджетное учреждение науки Институт проблем управления сложными системами Российской академии наук (ИПУСС РАН) Method of measurement of radial clearances and axial displacements of end faces of turbine wheel blades
JP6712845B2 (en) * 2015-09-10 2020-06-24 三菱日立パワーシステムズ株式会社 Optical fiber probe, optical fiber measuring device and clearance control system
RU2648284C2 (en) * 2016-08-04 2018-03-23 Федеральное государственное бюджетное учреждение науки Институт проблем управления сложными системами Российской академии наук (ИПУСС РАН) Method of measuring radial gap between the ends of impeller blades and gas-turbine engine stator
US11156455B2 (en) * 2018-09-26 2021-10-26 General Electric Company System and method for measuring clearance gaps between rotating and stationary components of a turbomachine
CN109458232B (en) * 2018-10-16 2021-02-12 中广核核电运营有限公司 Method for measuring cylinder partition plate hollow pit and concentricity of leaf top steam-resistant sheet thereof
CN112525079A (en) * 2020-10-29 2021-03-19 山东科技大学 Method for measuring rock fracture opening
FR3125589B1 (en) * 2021-07-26 2023-10-20 Safran Aircraft Engines Device for measuring vibrations in a turbomachine

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US3327584A (en) * 1963-09-09 1967-06-27 Mechanical Tech Inc Fiber optic proximity probe
GB1080726A (en) * 1965-10-13 1967-08-23 Rolls Royce Method and apparatus for testing the clearances at the tips of blades
US4049644A (en) * 1976-06-23 1977-09-20 Wennerstrom Arthur J Device for measuring tip deflection of rotating blades
DE2730508A1 (en) * 1977-07-06 1979-01-25 Bbc Brown Boveri & Cie Contactless gap gauge for moving machine components - uses modulated light beam and pulse width detector to sense variation
JPS59119204A (en) * 1982-12-27 1984-07-10 Toshiba Corp Mark position detecting method
US4701610A (en) * 1986-01-29 1987-10-20 Mechanical Technology Incorporated Fiber optic proximity sensors for narrow targets with reflectivity compensation
GB2221306A (en) * 1988-07-29 1990-01-31 Dowty Rotol Ltd Assembly for determining the longitudinal displacement of a rotating shaft
GB9204413D0 (en) * 1992-02-29 1992-04-15 Northern Eng Ind Method and apparatus for observing of gap between relatively rotating parts

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