CN102156035A - Turbine blade vibration characteristic testing and measuring device with shroud damping block and blade root wedged damping block - Google Patents
Turbine blade vibration characteristic testing and measuring device with shroud damping block and blade root wedged damping block Download PDFInfo
- Publication number
- CN102156035A CN102156035A CN 201110072247 CN201110072247A CN102156035A CN 102156035 A CN102156035 A CN 102156035A CN 201110072247 CN201110072247 CN 201110072247 CN 201110072247 A CN201110072247 A CN 201110072247A CN 102156035 A CN102156035 A CN 102156035A
- Authority
- CN
- China
- Prior art keywords
- blade
- damping block
- blade root
- shroud
- testing table
- 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.)
- Granted
Links
- 238000013016 damping Methods 0.000 title claims abstract description 70
- 238000012360 testing method Methods 0.000 title claims abstract description 40
- 238000006073 displacement reaction Methods 0.000 claims abstract description 19
- 238000005259 measurement Methods 0.000 claims abstract description 11
- 230000003068 static effect Effects 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 3
- 239000010959 steel Substances 0.000 claims abstract description 3
- 239000011888 foil Substances 0.000 claims description 5
- 238000004088 simulation Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000005284 excitation Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
一种具有围带阻尼块和叶根楔形阻尼块的汽轮机叶片振动特性试验测量装置。包括试验基础台架、叶根接触面压力载荷施加机构、叶片根部楔形阻尼块及围带部分阻尼块的离心力施加机构、激振力施加机构和振动参数测量机构。通过叶片根部接触面压力载荷施加机构对叶片根部接触面处施加压力载荷，并采用贴有应变片的标准试件来测量所施加的压力载荷；利用钢丝滑轮结构对叶根楔形阻尼块和围带阻尼块施加对应的离心力载荷，并采用静态力传感器测量所施加的阻尼块离心力；激振器与叶片的叶身部分连接并对叶片施加激振力；所测量的振动参数对应于叶片的振动位移响应，通过位移传感器测量叶片的振动位移响应，通过力传感器和位移传感器检测力信号和位移信号。
The utility model relates to a steam turbine blade vibration characteristic test and measurement device with a shroud damping block and a blade root wedge-shaped damping block. It includes the test base platform, the blade root contact surface pressure load application mechanism, the wedge-shaped damping block at the blade root and the centrifugal force application mechanism of the shroud part damping block, the excitation force application mechanism and the vibration parameter measurement mechanism. The pressure load is applied to the blade root contact surface through the blade root contact surface pressure load application mechanism, and the applied pressure load is measured by using a standard test piece with a strain gauge attached; the blade root wedge-shaped damping block and the shroud are controlled by the steel wire pulley structure The damping block applies the corresponding centrifugal force load, and the static force sensor is used to measure the applied centrifugal force of the damping block; the exciter is connected to the blade body part of the blade and applies an exciting force to the blade; the measured vibration parameters correspond to the vibration displacement of the blade Response, the vibration displacement response of the blade is measured by the displacement sensor, and the force signal and displacement signal are detected by the force sensor and the displacement sensor.
Description
Technical field
The present invention relates to the turbine blade measurement mechanism, be specifically related to a kind of turbine blade vibration attribute testing measurement mechanism with shroud damping block and blade root wedge shape damping block.
Background technology
Steam turbine is widely used in importances such as generating, industrial power and boats and ships in national economy is produced, and the safe reliability of its key equipment blade is the important assurance of Steam Turbine safe operation.Blade is subjected to the effect of pulse pneumatic power at work and produces vibration, and the operation practical experience shows that the damage of blade is to be caused by blade vibration fatigue mostly.Dry damping structure owing to simple in structure, not be widely used in the turbine blade design by temperature limitation to reduce its vibration stress.Because the strong nonlinearity characteristic of dry-friction damping, be difficult to describe with a kind of general model, need study it by test, therefore be necessary the influence research experiment of dry damping structure, so that provide necessary foundation for further effectively utilizing and developing turbine blade with corresponding dry damping structure to actual turbine blade damping behavior.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can obtain the damping vibration attenuation characteristic of damping block, for further developing the turbine blade vibration attribute testing measurement mechanism that turbine blade with corresponding damping structure lays the foundation with shroud damping block and blade root wedge shape damping block to blade by measuring.
For achieving the above object, the technical solution used in the present invention is: comprise the experimental basis stand of being made up of testing table base plate and testing table side plate, the experimental basis stand is fixed on the basic platform, testing table side plate inboard is provided with boss, on the testing table base plate, be placed with hydraulic jack, hydraulic jack is provided with the standard specimen that posts foil gauge that is used for gaging pressure load, the exert pressure blade root jacking block of load of blade root is placed on the upper surface of standard specimen, race is placed on the upper end of blade root jacking block, thereby be fixed on the boss in the testing table side plate by each side place hydraulic jack race is made progress jack-up at the race lower surface, blade is inserted in the race, push rod inserts in the space of race and blade root bottom, the push rod both sides by the wire rope tractive through wireline pulley with before being installed in the testing table side plate outside, after screw-rod structure blade root wedge shape damping block applied radial pull simulate its suffered centrifugal force, on the shroud damping block, be equipped with through hole, middle screw-rod structure applies radial pull simulation shroud damping block centrifugal force to it to this through hole of steel wire penetrating through wireline pulley with outside being installed in the testing table side plate, the static force sensor that is used to measure value of thrust all is installed on wire rope, the vanes threaded rod links to each other with vibrator, on threaded rod, the dynamic force sensor that exciting force is measured is installed near the blade surface place, blade vibration response measurement mechanism comprises support and displacement transducer, support is fixed on and keeps static on the basic platform, displacement transducer is rack-mount, and keeps the measuring distance of 1mm between displacement transducer and the blade surface.
Be provided with cushion block between hydraulic jack of the present invention and the standard specimen.
The present invention can obtain the damping vibration attenuation characteristic of damping block to turbine blade under the more consistent situation of the force-bearing situation that guarantees blade and damping block and actual state, provide necessary foundation for further utilizing and developing corresponding damping structure turbine blade.
Description of drawings
Fig. 1 is the turbine blade structural representation with shroud damping block and blade root wedge shape damping block;
Fig. 2 is an experimental basis horse structure synoptic diagram;
Fig. 3 is that root of blade interface pressure load applies and the measuring mechanism synoptic diagram;
Fig. 4 is that blade root wedge shape damping block and shroud damping block centrifugal force load apply and the measuring mechanism synoptic diagram;
Fig. 5 is that exciting force applies and measuring mechanism and blade vibration displacement response measuring mechanism synoptic diagram;
Code name implication among the figure: 1-testing table base plate; 2-testing table side plate; The 3-hydraulic jack; The hydraulic jack of 4-both sides; The 5-cushion block; 6-posts the standard specimen of foil gauge; 7-blade root jacking block; The 8-blade; The 9-race; The 10-push rod; The 11-wireline pulley; 12-static force sensor; The 13-screw-rod structure, 14-support, 15-displacement transducer, 16-threaded rod; 17-dynamic force sensor, 18-vibrator, 19-neckband, 20-blade part, 21-leaf root part, 22-shroud damping block, 23-blade root wedge shape damping block.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Referring to Fig. 1, at first the structure to damping vane 8 in the test is introduced.Blade 8 is by leaf root part 21, blade part 20 and neckband 19 are formed, also comprise blade root wedge shape damping block 23 and shroud damping block 22, blade root wedge shape damping block 23 is placed in the cavity that the blade root platform side of adjacent two blades forms, shroud damping block 22 is placed in the cavity of adjacent two blade shroud band sides formation, during work, under action of centrifugal force, blade root wedge shape damping block 23 and shroud damping block 22 tightly touch with blade root platform side and shroud side, under the effect of steam flow excitation power, produce the relative slippage of microcosmic or macroscopic view between blade and the damping block, thereby the dissipates vibration energy produces the damping vibration attenuation effect.
The present invention is intended to the damped vibration characteristic with damping block structured turbine blade is carried out experimental test, obtains the damped vibration characteristic of damping block to blade.Based on this purpose, designed the test battery proving installation, this device comprises that experimental basis stand, root of blade surface of contact load apply with measuring mechanism, blade root wedge shape damping block and shroud damping block centrifugal force and applies and measuring mechanism, and exciting force applies, measuring mechanism and blade vibration displacement response measuring mechanism.
With reference to Fig. 2, the experimental basis stand is made up of testing table base plate 1 and testing table side plate 2, and the two is connected as a single entity by welding.Testing table base plate 1 is used to place all the other test units, the boss of testing table side plate 2 inboards is used for fixing race 9, and the forward and backward and middle screw-rod structure 13 in testing table side plate 2 outsides is respectively applied for the centrifugal force load that applies blade root wedge shape damping block 23 and shroud damping block 22.
With reference to Fig. 3, root of blade interface pressure load applies hydraulic jack 4, cushion block 5, standard specimen 6, jacking block 7, blade 8 and the race 9 that comprises hydraulic jack 3, both sides with measuring mechanism.Hydraulic jack 3 is placed on testing table base plate 1 central authorities; Cushion block 5 is placed on the upper surface of hydraulic jack 3; The standard specimen that posts foil gauge 6 that is used for gaging pressure load is placed in the cushion block 5 upper surface corresponding groove, the exert pressure blade root jacking block 7 of load of leaf root part 21 is placed on the upper surface of standard specimen 6, thereby the hydraulic jack 4 by the left and right sides is fixed in race 9 jack-up on the boss in the testing table side plate 2, three blades 8 are inserted in the race 9 that is fixed on testing table side plate 2 inner convex platforms, blade root jacking block 7 under the effect of hydraulic jack 3 to blade root 21 bottom section imposed loads, make pressure load be delivered on the corresponding surface of contact of blade root 21 surface of contact and race 9, thereby realize applying of root of blade pressure load, and measure institute's applied pressure load by the standard specimen 6 that posts foil gauge.
With reference to Fig. 4, blade root wedge shape damping block and shroud damping block centrifugal force apply with measuring mechanism and comprise push rod 10, wireline pulley 11, static force sensor 12, screw-rod structure 13.In order to apply the simulation centrifugal force load of blade root wedge shape damping block, push rod 10 is inserted in the space of race 9 bottom blade root, push rod 10 both sides are by the wire rope tractive, apply radial pull with the forward and backward screw-rod structure 13 that is fixed on testing table side plate 2 outsides and 11 pairs of blade root wedge shapes of wireline pulley damping block and simulate damping block centrifugal force, value of thrust measures by the static force sensor 12 on the wire rope; In order to apply shroud damping block simulation centrifugal force load, directly on shroud damping block 22, get through the hole, wire rope is worn in this through hole, middle screw rod structure 13 by the wireline pulley 11 and testing table side plate 2 outsides applies radial pull to it and simulates shroud damping block centrifugal force again, and value of thrust measures by the static force sensor 12 on the wire rope.
After having applied blade root pressure load and each damping block centrifugal force load, can apply exciting force and arrange the blade displacement response measuring device blade.With reference to Fig. 5, centrifugal force applies with measuring mechanism and comprises vibrator 18, threaded rod 16 and dynamic force sensor 17, by threaded rod 16 vibrator 18 and blade 8 are coupled together, on threaded rod 16, be connected with 17 pairs of exciting forces of dynamic force sensor and measure near blade 8 surfaces; Blade vibration response measurement mechanism comprises support 14 and displacement transducer 15, support 14 is fixed on and keeps static on the basic platform, displacement transducer 15 is installed on the support 14, adjusts the measuring distance that keeps 1mm between support 14 top offset sensors 15 and blade 8 surfaces.
Apply the exciting force of certain amplitude and frequency at last by 18 pairs of blades 8 of vibrator, and the displacement transducer on the employing support 15 is measured the vibration displacement response of blade, thereby obtain to have the damped vibration characteristic of shroud damping block and blade root wedge shape damping block turbine blade, provide necessary foundation for further utilizing and developing corresponding damping structure turbine blade.
Claims (2)
1. turbine blade vibration attribute testing measurement mechanism with shroud damping block and blade root wedge shape damping block, it is characterized in that: comprise the experimental basis stand of forming by testing table base plate (1) and testing table side plate (2), the experimental basis stand is fixed on the basic platform, testing table side plate (2) inboard is provided with boss, on testing table base plate (1), be placed with hydraulic jack (3), hydraulic jack (3) is provided with the standard specimen that posts foil gauge (6) that is used for gaging pressure load, the exert pressure blade root jacking block (7) of load of blade root is placed on the upper surface of standard specimen (6), race (9) is placed on the upper end of blade root jacking block (7), by each side place at race (9) lower surface a hydraulic jack (4) with race (9) thus upwards jack-up is fixed on the boss in the testing table side plate (2), blade is inserted in the race (9), push rod (10) inserts in the space of race (9) bottom blade root, push rod (10) both sides by the wire rope tractive through wireline pulley (11) with before being installed in testing table side plate (2) outside, after screw-rod structure (13) blade root wedge shape damping block (23) applied radial pull simulate its suffered centrifugal force, on shroud damping block (22), be equipped with through hole, middle screw-rod structure (13) applies radial pull simulation shroud damping block centrifugal force to it to this through hole of steel wire penetrating through wireline pulley (11) with outside being installed in testing table side plate (2), the static force sensor (12) that is used to measure value of thrust all is installed on wire rope, blade (8) links to each other with vibrator (18) through threaded rod (16), go up close blade (8) surface in threaded rod (16) the dynamic force sensor (17) that exciting force is measured is installed, blade vibration response measurement mechanism comprises support (14) and displacement transducer (15), support (14) is fixed on and keeps static on the basic platform, displacement transducer (15) is installed on the support (14), and keeps the measuring distance of 1mm between displacement transducer (15) and blade (8) surface.
2. the turbine blade vibration attribute testing measurement mechanism with shroud damping block and blade root wedge shape damping block according to claim 1 is characterized in that: be provided with cushion block (5) between described hydraulic jack (3) and the standard specimen (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110072247A CN102156035B (en) | 2011-03-24 | 2011-03-24 | Turbine blade vibration characteristic testing and measuring device with shroud damping block and blade root wedged damping block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110072247A CN102156035B (en) | 2011-03-24 | 2011-03-24 | Turbine blade vibration characteristic testing and measuring device with shroud damping block and blade root wedged damping block |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102156035A true CN102156035A (en) | 2011-08-17 |
| CN102156035B CN102156035B (en) | 2012-09-05 |
Family
ID=44437615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110072247A Expired - Fee Related CN102156035B (en) | 2011-03-24 | 2011-03-24 | Turbine blade vibration characteristic testing and measuring device with shroud damping block and blade root wedged damping block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102156035B (en) |
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410916A (en) * | 2011-12-02 | 2012-04-11 | 东南大学 | Experimental device and method for vibration characteristics of steam turbine moving blades |
| CN102954887A (en) * | 2012-11-08 | 2013-03-06 | 中国航空工业集团公司沈阳发动机设计研究所 | Testing device for measuring damping effect of working blades of high-pressure turbine |
| CN103089322A (en) * | 2013-01-29 | 2013-05-08 | 杭州汽轮机股份有限公司 | Damp lashing strip structure of industrial steam turbine high load short vane |
| CN103105229A (en) * | 2013-01-29 | 2013-05-15 | 杭州汽轮机股份有限公司 | Vibration mode calculation method for last-stage full-circle self-locking blades of high-power industrial steam turbine |
| CN103743556A (en) * | 2013-12-20 | 2014-04-23 | 西安交通大学 | Testing apparatus for steam turbine blade with shroud ring and boss lashing wire structures |
| CN104062104A (en) * | 2013-03-19 | 2014-09-24 | 徐可君 | Cyclic test device for fatigue of aeroengine compressor blade |
| CN104568351A (en) * | 2014-12-03 | 2015-04-29 | 西安交通大学 | Damping-structure-optimized blade testing experiment table and experimental method thereof |
| CN104594957A (en) * | 2014-12-08 | 2015-05-06 | 东方电气集团东方汽轮机有限公司 | Damping structure for steam turbine regulating stage moving blades |
| WO2016004778A1 (en) * | 2014-07-08 | 2016-01-14 | 长沙达永川机电科技有限公司 | Same time domain multi-frequency band hydraulic testing system and control method therefor |
| CN105928676A (en) * | 2016-04-12 | 2016-09-07 | 西安交通大学 | Vibration testing device of damping mistuning blade-turbine disk with damping block structure |
| CN106197914A (en) * | 2016-06-22 | 2016-12-07 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of rotor blade damping block reliability test method |
| CN106226015A (en) * | 2016-07-01 | 2016-12-14 | 西北工业大学 | A kind of assay device of turbine disk coupled vibrations |
| CN106813915A (en) * | 2017-02-09 | 2017-06-09 | 北京航空航天大学 | Pad loading device and damping test device between a kind of blade loading device, groove |
| CN106840630A (en) * | 2017-02-09 | 2017-06-13 | 北京航空航天大学 | Damping test device with listrium damper structure turbo blade |
| CN107607332A (en) * | 2017-09-19 | 2018-01-19 | 清华大学苏州汽车研究院（相城） | A kind of novel tire Constrained mode test device |
| CN108036911A (en) * | 2017-12-13 | 2018-05-15 | 中国飞机强度研究所 | A kind of experimental rig for measuring turbine rotor blade damping vibration attenuation effect |
| CN108168894A (en) * | 2017-12-13 | 2018-06-15 | 中国飞机强度研究所 | A kind of method for simulating turbine rotor blade centrifugal force |
| CN108915797A (en) * | 2018-06-08 | 2018-11-30 | 中国船舶重工集团公司第七〇九研究所 | A kind of load of Marine Steam Turbine damping vane exciting force and measuring device |
| CN108931349A (en) * | 2018-04-09 | 2018-12-04 | 南京航空航天大学 | For simulating whirling test device in the hard object impact test of high speed |
| CN109164041A (en) * | 2018-10-17 | 2019-01-08 | 中国航发贵阳发动机设计研究所 | Damping measurement testpieces under a kind of hot environment |
| CN110031203A (en) * | 2019-05-15 | 2019-07-19 | 哈尔滨电气股份有限公司 | A kind of experimental verification device of wheel disc crack propagation life |
| CN110332985A (en) * | 2019-07-24 | 2019-10-15 | 哈尔滨汽轮机厂有限责任公司 | A kind of Blade measuring frequency tooling and its processing method |
| CN110925030A (en) * | 2019-12-05 | 2020-03-27 | 中国航发四川燃气涡轮研究院 | Low-pressure turbine simulation blade with embedded blade shroud damping |
| CN111473933A (en) * | 2020-04-27 | 2020-07-31 | 上海海事大学 | Multifunctional blade and rotor test bed |
| CN113720768A (en) * | 2021-07-30 | 2021-11-30 | 西安交通大学 | Experimental test system and method for dynamic characteristics of dry friction damping |
| CN113740042A (en) * | 2021-07-30 | 2021-12-03 | 西安交通大学 | Experimental testing device and method for vibration contact characteristics of gas turbine blade damper system |
| CN114526124A (en) * | 2022-02-21 | 2022-05-24 | 杭州汽轮机股份有限公司 | Steam turbine blade with shroud, determining method and assembling method |
| CN117147127A (en) * | 2023-09-04 | 2023-12-01 | 上海交通大学 | A method and device for measuring blade fretting energy dissipation |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3079929B1 (en) * | 2018-04-10 | 2020-03-13 | Safran Aircraft Engines | VIBRATORY TEST DEVICE FOR TURBOMACHINE TURBINE BLADES |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997048975A1 (en) * | 1996-06-17 | 1997-12-24 | Gustav Ingmar Johnson | A master balance for calibration of wind tunnel balances |
| EP1589166A1 (en) * | 1999-08-03 | 2005-10-26 | Imad H. Mualla | A device for damping movements of structural elements and a bracing system |
| CN200979484Y (en) * | 2006-10-14 | 2007-11-21 | 合肥工业大学 | A dynamic stress experimental unit with adjustable static load position |
| CN101122541A (en) * | 2007-08-03 | 2008-02-13 | 东方电气集团东方汽轮机有限公司 | Steam turbine blade vibration test method and device |
| CN101349170A (en) * | 2008-09-13 | 2009-01-21 | 东方电气集团东方汽轮机有限公司 | Damp structure of steam turbine cover band |
-
2011
- 2011-03-24 CN CN201110072247A patent/CN102156035B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997048975A1 (en) * | 1996-06-17 | 1997-12-24 | Gustav Ingmar Johnson | A master balance for calibration of wind tunnel balances |
| EP1589166A1 (en) * | 1999-08-03 | 2005-10-26 | Imad H. Mualla | A device for damping movements of structural elements and a bracing system |
| CN200979484Y (en) * | 2006-10-14 | 2007-11-21 | 合肥工业大学 | A dynamic stress experimental unit with adjustable static load position |
| CN101122541A (en) * | 2007-08-03 | 2008-02-13 | 东方电气集团东方汽轮机有限公司 | Steam turbine blade vibration test method and device |
| CN101349170A (en) * | 2008-09-13 | 2009-01-21 | 东方电气集团东方汽轮机有限公司 | Damp structure of steam turbine cover band |
Cited By (45)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410916B (en) * | 2011-12-02 | 2014-02-26 | 东南大学 | Experimental device and method for vibration characteristics of steam turbine moving blades |
| CN102410916A (en) * | 2011-12-02 | 2012-04-11 | 东南大学 | Experimental device and method for vibration characteristics of steam turbine moving blades |
| CN102954887B (en) * | 2012-11-08 | 2016-03-30 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of test unit measuring high-pressure turbine working blade damping |
| CN102954887A (en) * | 2012-11-08 | 2013-03-06 | 中国航空工业集团公司沈阳发动机设计研究所 | Testing device for measuring damping effect of working blades of high-pressure turbine |
| CN103089322A (en) * | 2013-01-29 | 2013-05-08 | 杭州汽轮机股份有限公司 | Damp lashing strip structure of industrial steam turbine high load short vane |
| CN103105229A (en) * | 2013-01-29 | 2013-05-15 | 杭州汽轮机股份有限公司 | Vibration mode calculation method for last-stage full-circle self-locking blades of high-power industrial steam turbine |
| CN104062104A (en) * | 2013-03-19 | 2014-09-24 | 徐可君 | Cyclic test device for fatigue of aeroengine compressor blade |
| CN103743556B (en) * | 2013-12-20 | 2016-03-30 | 西安交通大学 | There is the proving installation of shroud and boss lashing wire structure turbine blade |
| CN103743556A (en) * | 2013-12-20 | 2014-04-23 | 西安交通大学 | Testing apparatus for steam turbine blade with shroud ring and boss lashing wire structures |
| WO2016004778A1 (en) * | 2014-07-08 | 2016-01-14 | 长沙达永川机电科技有限公司 | Same time domain multi-frequency band hydraulic testing system and control method therefor |
| CN104568351B (en) * | 2014-12-03 | 2017-04-26 | 西安交通大学 | Damping-structure-optimized blade testing experiment table and experimental method thereof |
| CN104568351A (en) * | 2014-12-03 | 2015-04-29 | 西安交通大学 | Damping-structure-optimized blade testing experiment table and experimental method thereof |
| CN104594957B (en) * | 2014-12-08 | 2016-06-15 | 东方电气集团东方汽轮机有限公司 | The damping structure of Control Stage of Steam Turbine moving vane |
| CN104594957A (en) * | 2014-12-08 | 2015-05-06 | 东方电气集团东方汽轮机有限公司 | Damping structure for steam turbine regulating stage moving blades |
| CN105928676B (en) * | 2016-04-12 | 2018-07-17 | 西安交通大学 | The vibration-testing apparatus of damping mistuned bladed disk with damping block structure |
| CN105928676A (en) * | 2016-04-12 | 2016-09-07 | 西安交通大学 | Vibration testing device of damping mistuning blade-turbine disk with damping block structure |
| CN106197914A (en) * | 2016-06-22 | 2016-12-07 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of rotor blade damping block reliability test method |
| CN106197914B (en) * | 2016-06-22 | 2019-03-08 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of rotor blade damping block reliability test method |
| CN106226015A (en) * | 2016-07-01 | 2016-12-14 | 西北工业大学 | A kind of assay device of turbine disk coupled vibrations |
| CN106813915A (en) * | 2017-02-09 | 2017-06-09 | 北京航空航天大学 | Pad loading device and damping test device between a kind of blade loading device, groove |
| CN106840630A (en) * | 2017-02-09 | 2017-06-13 | 北京航空航天大学 | Damping test device with listrium damper structure turbo blade |
| CN106813915B (en) * | 2017-02-09 | 2018-05-15 | 北京航空航天大学 | Gasket loading device and damping test device between a kind of blade loading device, groove |
| CN107607332A (en) * | 2017-09-19 | 2018-01-19 | 清华大学苏州汽车研究院（相城） | A kind of novel tire Constrained mode test device |
| CN108168894A (en) * | 2017-12-13 | 2018-06-15 | 中国飞机强度研究所 | A kind of method for simulating turbine rotor blade centrifugal force |
| CN108036911A (en) * | 2017-12-13 | 2018-05-15 | 中国飞机强度研究所 | A kind of experimental rig for measuring turbine rotor blade damping vibration attenuation effect |
| CN108036911B (en) * | 2017-12-13 | 2020-04-28 | 中国飞机强度研究所 | Test device for measuring damping vibration attenuation effect of turbine movable blade |
| CN108931349A (en) * | 2018-04-09 | 2018-12-04 | 南京航空航天大学 | For simulating whirling test device in the hard object impact test of high speed |
| CN108915797B (en) * | 2018-06-08 | 2020-08-04 | 中国船舶重工集团公司第七一九研究所 | Ship steam turbine damping blade exciting force loading and measuring device |
| CN108915797A (en) * | 2018-06-08 | 2018-11-30 | 中国船舶重工集团公司第七〇九研究所 | A kind of load of Marine Steam Turbine damping vane exciting force and measuring device |
| CN109164041A (en) * | 2018-10-17 | 2019-01-08 | 中国航发贵阳发动机设计研究所 | Damping measurement testpieces under a kind of hot environment |
| CN109164041B (en) * | 2018-10-17 | 2021-06-22 | 中国航发贵阳发动机设计研究所 | Damping measurement test piece under high temperature environment |
| CN110031203A (en) * | 2019-05-15 | 2019-07-19 | 哈尔滨电气股份有限公司 | A kind of experimental verification device of wheel disc crack propagation life |
| CN110031203B (en) * | 2019-05-15 | 2021-07-27 | 哈尔滨电气股份有限公司 | Experimental verification device for service life of wheel disc crack propagation |
| CN110332985A (en) * | 2019-07-24 | 2019-10-15 | 哈尔滨汽轮机厂有限责任公司 | A kind of Blade measuring frequency tooling and its processing method |
| CN110332985B (en) * | 2019-07-24 | 2021-08-17 | 哈尔滨汽轮机厂有限责任公司 | Blade frequency measurement tool and machining method thereof |
| CN110925030A (en) * | 2019-12-05 | 2020-03-27 | 中国航发四川燃气涡轮研究院 | Low-pressure turbine simulation blade with embedded blade shroud damping |
| CN111473933A (en) * | 2020-04-27 | 2020-07-31 | 上海海事大学 | Multifunctional blade and rotor test bed |
| CN111473933B (en) * | 2020-04-27 | 2021-11-02 | 上海海事大学 | Multifunctional blade and rotor test bench |
| CN113720768A (en) * | 2021-07-30 | 2021-11-30 | 西安交通大学 | Experimental test system and method for dynamic characteristics of dry friction damping |
| CN113740042A (en) * | 2021-07-30 | 2021-12-03 | 西安交通大学 | Experimental testing device and method for vibration contact characteristics of gas turbine blade damper system |
| CN113720768B (en) * | 2021-07-30 | 2022-06-07 | 西安交通大学 | Experimental test system and method for dynamic characteristics of dry friction damping |
| CN114526124A (en) * | 2022-02-21 | 2022-05-24 | 杭州汽轮机股份有限公司 | Steam turbine blade with shroud, determining method and assembling method |
| CN114526124B (en) * | 2022-02-21 | 2023-12-08 | 杭州汽轮动力集团股份有限公司 | Steam turbine blade with shroud, determination method and assembly method |
| CN117147127A (en) * | 2023-09-04 | 2023-12-01 | 上海交通大学 | A method and device for measuring blade fretting energy dissipation |
| CN117147127B (en) * | 2023-09-04 | 2024-03-22 | 上海交通大学 | Blade micro-energy dissipation measurement method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102156035B (en) | 2012-09-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102156035A (en) | Turbine blade vibration characteristic testing and measuring device with shroud damping block and blade root wedged damping block | |
| CN104568351B (en) | Damping-structure-optimized blade testing experiment table and experimental method thereof | |
| CN103743556B (en) | There is the proving installation of shroud and boss lashing wire structure turbine blade | |
| Chen | Experimental observation of fatigue degradation in a composite wind turbine blade | |
| CN109374418B (en) | Method for testing tangential and normal resistance of anchor chain and soil under equivalent elastic boundary | |
| Botto et al. | A novel test rig to investigate under-platform damper dynamics | |
| CN112129503B (en) | Fan blade torsion fatigue test device and test method thereof | |
| CN106770658B (en) | Shear wave propagation and joint dynamic shear experimental system based on plane fluctuation | |
| CN105424315A (en) | Device and method for measuring impact on horizontal bearing performance of pile foundation from waves | |
| CN104749031B (en) | Measurement jig and measurement method for rotary blade | |
| CN106226015A (en) | A kind of assay device of turbine disk coupled vibrations | |
| CN113740042A (en) | Experimental testing device and method for vibration contact characteristics of gas turbine blade damper system | |
| Zhang et al. | Experimental investigation on dynamic response of flat blades with underplatform dampers | |
| CN203203788U (en) | Fatigue cycle test apparatus for compressor blade of aeroengine | |
| CN116796591A (en) | Integrated dynamic analysis and simulation method for offshore wind power structures | |
| KR100997810B1 (en) | Damage Detection Method of Structure Using Vibration Power | |
| CN209907452U (en) | Simplified test model of steel pipe pile under vibration condition | |
| Jun et al. | Vibration test and assessment for an ocean drilling rig derrick: Taking the ZJ50/3150DB drilling rig as an example | |
| CN202182815U (en) | Crane bridge static load test stand | |
| Kirkwood et al. | Centrifuge testing of monopiles for offshore wind turbines | |
| Grasse et al. | Structural health monitoring of wind turbine blades by strain measurement and vibration analysis | |
| CN201051061Y (en) | Cutting creep test instrument | |
| CN104123458A (en) | Transection type oblique crack rotor variable stiffness characteristic calculation method based on strain energy theory | |
| Deines et al. | Modal analysis and SHM investigation of CX-100 wind turbine blade | |
| CN206292209U (en) | A kind of shearing wave based on plane fluctuation is propagated and joint dynamic shearing experimental provision |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20210324 |