CN109357833A - A kind of installation device of sensor of suspended span pipeline vortex-induced vibration test - Google Patents
A kind of installation device of sensor of suspended span pipeline vortex-induced vibration test Download PDFInfo
- Publication number
- CN109357833A CN109357833A CN201811339594.3A CN201811339594A CN109357833A CN 109357833 A CN109357833 A CN 109357833A CN 201811339594 A CN201811339594 A CN 201811339594A CN 109357833 A CN109357833 A CN 109357833A
- Authority
- CN
- China
- Prior art keywords
- sensor
- installation
- suspended span
- installation device
- collar member
- 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
- 238000009434 installation Methods 0.000 title claims abstract description 59
- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 238000003825 pressing Methods 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 210000003205 muscle Anatomy 0.000 claims description 8
- 238000013461 design Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000001788 irregular Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 11
- 230000001133 acceleration Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/06—Multidirectional test stands
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a kind of installation device of sensor of suspended span pipeline vortex-induced vibration test, it is characterized in that the installation device of sensor is a collar member, installation vallecular cavity is provided in the collar member for installing sensor, side corresponding with installation vallecular cavity is to stretch mouth, stretch mouth both ends be connected with it is equal greatly, uniform thickness and symmetrical drawing plate, wherein a drawing plate end is equipped with support base, and a circular hole is provided on support base；The present invention vibrates sensor and suspended span tunnel synchronization, so as to use three-axis sensor to be completed at the same time the experimental test of suspended span pipeline flow-direction and lateral two-freedom vibration under same test conditions, simultaneously, it avoids the sensors such as the acceleration being mounted on suspended span pipeline, speed or displacement from influencing flow location form, and reduces influence of the quality of sensor attachment device to suspended span pipeline actual vibration.
Description
Technical field
The present invention relates to the structure designs of installation device of sensor in vortex-induced vibration test, and in particular to the effect of test flow field
When the vortex-induced vibration of lower suspended span pipeline, the sensors such as acceleration, speed or displacement are fixedly installed in one kind of suspended span inner cavity of pipe
Installation device of sensor.
Background technique
The testing method of existing suspended span pipeline vortex-induced vibration is the flow direction or cross for the suspended span pipeline of resilient support
To vibration, frequently with integral type ultrasound displacement sensor and its relevant device measurement suspended span pipeline flow-direction or transverse direction amplitude,
When measurement flow direction and lateral amplitude of vibration, ultrasound displacement sensor is located at the front and surface of suspended span pipeline, and integral type is super
Sound displacement sensor is often equipped with signal generator, and ultrasound displacement sensor emits ultrasonic pulse by signal generator, utilizes
Ultrasonic wave encounters barrier suspended span pipeline back reflection, and signal generator calculates and suspended span pipe after receiving reflected impulse according to the velocity of sound
The distance in road, and the amplitude of suspended span pipeline is acquired.The testing method has the disadvantage that (1) is difficult to survey simultaneously
Try the two-freedom vibration of suspended span pipeline flow-direction or transverse direction；(2) when testing the flow direction vibration of suspended span pipeline, since suspended span pipeline is deposited
In oscillation crosswise, barrier suspended span pipeline is caused so that reflecting surface is changed in transverse movement, will affect suspended span pipeline flow-direction
The measurement result of amplitude leads to the experimental result inaccuracy of suspended span pipeline flow-direction vibration frequency；(3) transverse direction of suspended span pipeline is tested
When vibration, since suspended span pipeline has flow direction vibration, barrier cylindrical body is caused so that reflecting surface is changed in flow direction movement,
The measurement result that will affect suspended span pipeline lateral amplitude of vibration leads to the experimental result inaccuracy of suspended span pipeline oscillation crosswise frequency.
Summary of the invention
In view of the above shortcomings of the prior art, the technical problem to be solved by the present invention is in view of the shortcomings of the prior art, providing
The sensors such as test suspended span pipeline vortex-induced vibration brief acceleration, speed or displacement are fixedly installed in a kind of dress of suspended span inner cavity of pipe
The structure design set, vibrates sensor and suspended span tunnel synchronization, so as to use three-axis sensor under same test conditions
It is completed at the same time the experimental test of suspended span pipeline flow-direction and lateral two-freedom vibration, meanwhile, it avoids being mounted on suspended span pipeline
The sensors such as acceleration, speed or displacement influence flow location form, and reduce the quality of sensor attachment device to suspended span
The influence of pipeline actual vibration.
The specific technical solution that the present invention takes is:
A kind of installation device of sensor of suspended span pipeline vortex-induced vibration test, the installation device of sensor is a lantern ring
Part is provided with installation vallecular cavity in the collar member for installing sensor, and side corresponding with installation vallecular cavity is to stretch mouth, is being stretched
Mouthful both ends be connected with it is equal greatly, uniform thickness and symmetrical drawing plate open on support base wherein a drawing plate end is equipped with support base
There is a circular hole；Stretching switch is provided in the stretching mouth, which switchs by pressing body, swivel, fixing pipe, presses and draw bullet
Spring, stretch rod composition, wherein be provided on pressing body and turn ratchet, turn spine slot, turn spine muscle, engaging tooth, engagement are provided on swivel
Muscle turns spine slot and is engaged with engaging tooth, and by drawing spring to be mounted on stretch rod, stretch rod one end passes through the circular hole on support base
And stretchable holes are machined with, which is the face of scabbling, is installed with flexible steel cable in stretchable holes, flexible steel cable both ends are fixed in stretching
On plate, the other end passes through swivel and is inserted in pressing body；Fixing pipe open end is fixed on support base, and other end aperture, which passes through, to be stretched
Bar, swivel and pressing body, and pressing body extension from fixing pipe stomidium are provided with vertical chute in fixing pipe, play
The effect of lower guiding movement, rotary stopper；Stretching switch lower section is provided with extension spring, extension spring respectively with both ends
Drawing plate connection.
Preferably, the collar member is provided with the sensor that 1-3 installation vallecular cavity is used to install identical or different class according to demand,
Claim to be arranged symmetrically with stretchable holes simultaneously.
Preferably, the material that the collar member the uses plastics good for ductility.
Preferably, the shape of the installation vallecular cavity can according to the configuration design of the sensor installed at cube or its
Its rule, irregular vallecular cavity, stretching mouth can be according to the different configuration design of installation vallecular cavity from the shape of drawing plate.
Preferably, the installation vallecular cavity has micro drafting angle, installs fixed sensor to facilitate.
Preferably, the stretchable holes on the section of the companding pole end are processed into round tube hole, can wear flexible steel cable or conform to
The tightrope asked.
Preferably, the replacement of the tension and compression structure with stretching action can be used in the extension spring.
Preferably, when the installation device of sensor is installed on suspended span pipeline, collar member is uniformly installed and is close to suspended span pipe
The inner wall in road, suspended span pipe ends are equipped with sealing cover, and the position of sealing cover center and concentric circles is uniformly provided with equal three greatly
A circular hole, the corresponding circular hole position of the sensor lead installed in the collar member of each position, the circular hole that lead passes through tighten
Close to be equipped with sealing ring, lead is being drawn from sealing ring, not used circular hole close installation gasket, for future use.
Preferably, when installation device of sensor is installed on suspended span pipeline, each suspended span pipeline inner sleeve ring installation number is 5-8
It is a.
Preferably, the material of the pressing body of switch, swivel, the stretch rod and fixing pipe 3D tree high by precision is stretched
Rouge printer is completed.
Compared with prior art, the invention has the following beneficial effects:
1, the material that collar member of the invention the uses plastics good for ductility, the thin arm of ring and good toughness, so selection
Rationally, structure is simple, compact and quality is small, reduces influence of the quality of collar member to suspended span pipeline actual vibration.Collar member
It stretches mouth and installation vallecular cavity is positioned opposite, if having the installation of multiple sensors and being arranged symmetrically with stretching mouth, installed in structure
Rationally.The part dimension stretched on switch claims, and size density is uniformly distributed, and material is light and matter is close, and structure is all linked with one another, force structure
It is solid.
2, collar member mounting structure of the invention integrally fits in the inner cavity of suspended span pipeline, and manufacture is more accurate, no axial direction
Play and stream field is without influence.The circular hole position of the corresponding sealing cover of sensor lead in the collar member of each position, with
Just the data to adopt, which are given, distinguishes, and can search single collar member, safeguard.Close installation on the circular hole that lead passes through
Sealing ring, lead are being drawn from sealing ring.The circular hole useless used then close installation gasket, for future use.
3, suspended span pipeline in flow field fair current to oscillation crosswise, the motion mode of inventive sensor is with suspended span pipeline
Motion mode is consistent, actual displacement, speed and the acceleration measured it is more accurate, so more reliable in performance.Simultaneously
Using sensors such as the acceleration of three axis, speed or displacements, flow direction and transverse direction of the suspended span pipeline in flow field can be measured simultaneously
Vibration.
4, when the quality, size and spring rate that change model pipeline carry out the suspended span pipeline vortex-induced vibration examination of different-stiffness
When testing, according to the difference of measurement data, it can be modified the shape of installation sensor, according to actual size and demand to solve
It has determined big suspended span pipeline vortex-induced vibration large scale model test problem flexible.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of installation device of sensor described in the embodiment of the present invention；
Fig. 2 is to stretch mouth structure schematic diagram；
Fig. 3 is to stretch switch internal structural schematic diagram (removal fixing pipe)；
Fig. 4 is to stretch mouth structure explosion enlarged drawing；
Fig. 5 is pressing body structural schematic diagram；
Fig. 6 is swivel structure schematic diagram；
Fig. 7 is the partial enlarged view of Fig. 1；
Fig. 8 is integral installation schematic diagram of the Fig. 1 in suspended span pipeline；
Fig. 9 is integral installation partial enlarged view of the Fig. 1 in suspended span pipeline；
In figure, 1. installation vallecular cavities；11. drafting angle；2. stretching mouth；21. stretching switch；211. pressing body；2111. turning spine
Tooth；2112. turns of spine slots；2113. turns of spine muscle；212. swivel；2121. engaging tooth；2122. engaging muscle；213. fixing pipe；2131.
Vertical chute；214. by drawing spring；215. stretch rod；2151. stretchable holes；2152. flexible steel cable；22. extension spring；3. stretching
Plate；4. sensor；A. collar member；B. suspended span pipeline；B1. sealing cover；B2. sealing ring；B3. gasket；C. sensor lead.
Specific embodiment
The invention will be described in further detail with reference to the accompanying drawing.
Embodiment
A kind of installation device of sensor of suspended span pipeline vortex-induced vibration test, as shown in Figure 1, the installation device of sensor
For a collar member, installation vallecular cavity 1 is provided in the collar member for installing sensor 4, as shown in fig. 7, installation vallecular cavity 1 have it is micro-
The drafting angle 11 of amount installs fixed sensor to facilitate；As shown in Figure 1, 2, side corresponding with installation vallecular cavity is to stretch mouth
2, stretch 2 both ends of mouth be connected with it is equal greatly, uniform thickness and symmetrical drawing plate 3, wherein 3 end of a drawing plate is equipped with support base
31, a circular hole is provided on support base 31；As shown in Fig. 2, a stretching switch 21 is provided in the stretching mouth 2, such as Fig. 3,4 institutes
Show, the stretching switch 21 by pressing body 211, swivel 212, fixing pipe 213, by drawing spring 214, stretch rod 215 to form, wherein
Turn ratchet 2111 as shown in figure 5, being provided on pressing body 211, turn spine slot 2112, turn spine muscle 2113, as shown in fig. 6, swivel 212
On be provided with engaging tooth 2121, engagement muscle 2122, turn spine slot 2112 and be engaged with engaging tooth 2121, by draw spring 214 installation
On stretch rod 215,215 one end of stretch rod passes through the circular hole on support base 31 and is machined with stretchable holes 2151, the end section
For the face of scabbling, it is installed with flexible steel cable 2152 in stretchable holes 2151,2152 both ends of flexible steel cable are fixed on drawing plate 3, the other end
It is inserted in pressing body across swivel；213 open end of fixing pipe is fixed on support base 31, other end aperture pass through stretch rod 215,
212 and pressing body 211, and the extension from 213 stomidium of fixing pipe of pressing body 211 are turned, it is vertical to be provided in fixing pipe 213
Sliding slot 2131, plays the role of upper and lower guiding movement, rotary stopper, and the pen core stretching of the stretching switch 21 and automatic fountain pen is pressed
Laminated structure mode is the same, and turning 212 can draw 214 upper end of spring mobile in fixing pipe 213 pressing, by pressing body 211 and admittedly
Determine pipe vertical chute 2131 limit moving displacement away from and rotation；21 lower section of stretching switch is provided with extension spring 22, stretches
Spring 22 is connect with the drawing plate 3 at both ends respectively.When collar member be disposed vertically in cylinder hang tube cavity before, press pressing body
211, compress collar member, outer diameter is less than the internal diameter of suspended span pipeline, and the collar member for being easily installed sensor 4 is placed in suspended span
The inner cavity of pipeline.When collar member is disposed vertically after suspended span inner cavity of pipe, pressing pressing body 211, expands collar member again,
Outer diameter is close or equal to the internal diameter of hollow suspended span pipeline, is tightly attached to suspended span pipeline convenient for being fixedly installed with the collar member of sensor 4
Inner wall, vibrate sensor and suspended span tunnel synchronization.
As shown in figure 8, collar member A is uniformly installed and is close to when above-mentioned installation device of sensor is installed on suspended span pipeline B
The inner wall of suspended span pipeline B, each suspended span pipeline B inner sleeve ring A installation number is 5-8；As shown in figure 9, the suspended span both ends pipeline B are pacified
Equipped with sealing cover B1, three big circular holes such as the position of the center sealing cover B1 and concentric circles is uniformly provided with, the set of each position
The sensor lead C installed on ring A corresponds to a circular hole position, is closely equipped with sealing ring B2 on the circular hole that lead passes through,
Lead is drawn from sealing ring B2, not used circular hole close installation gasket B3, for future use.
The above description of the embodiment is only used to help understand the method for the present invention and its core ideas.It should be pointed out that pair
For those skilled in the art, without departing from the principle of the present invention, the present invention can also be carried out
Some improvements and modifications, these improvements and modifications also fall within the scope of protection of the claims of the present invention.
Claims (10)
1. a kind of installation device of sensor of suspended span pipeline vortex-induced vibration test, it is characterised in that the installation device of sensor is
One collar member is provided with installation vallecular cavity in the collar member for installing sensor, and side corresponding with installation vallecular cavity is to stretch mouth,
It is connected with equal big, uniform thickness and symmetrical drawing plate stretching mouth both ends, wherein a drawing plate end is equipped with support base, is supported
A circular hole is provided on seat；Stretching switch is provided in the stretching mouth, which switchs by pressing body, swivel, fixing pipe, presses
Draw spring, stretch rod composition, wherein be provided on pressing body and turn ratchet, turn spine slot, turn spine muscle, be provided on swivel engaging tooth,
Muscle is engaged, turns spine slot and is engaged with engaging tooth；By drawing spring to be mounted on stretch rod, stretch rod one end is passed through on support base
Circular hole is simultaneously machined with stretchable holes, which is the face of scabbling, is installed with flexible steel cable in stretchable holes, flexible steel cable both ends are fixed in
On drawing plate, the other end passes through swivel and is inserted in pressing body；Fixing pipe open end is fixed on support base, and other end aperture passes through
Stretch rod, swivel and pressing body, and pressing body extension from fixing pipe stomidium are provided with vertical chute in fixing pipe, rise
To the effect of upper and lower guiding movement, rotary stopper；Stretching switch lower section is provided with extension spring, and extension spring is respectively with two
The drawing plate at end connects.
2. installation device of sensor according to claim 1, it is characterised in that the collar member is provided with 1-3 peace according to demand
Tankage chamber is used to install the sensor of identical or different class, while claiming to be arranged symmetrically with stretchable holes.
3. installation device of sensor according to claim 1, it is characterised in that the material that the collar member uses is extension
The good plastics of property.
4. installation device of sensor according to claim 1, it is characterised in that the shape of the installation vallecular cavity can be according to institute
The configuration design of the sensor of installation stretches the shape of mouth and drawing plate at cube or Else Rule, irregular vallecular cavity
It can be according to the different configuration designs of installation vallecular cavity.
5. installation device of sensor according to claim 1, it is characterised in that the installation vallecular cavity has micro draft
Angle installs fixed sensor to facilitate.
6. installation device of sensor according to claim 1, it is characterised in that the stretching on the section of the companding pole end
Hole machined can wear flexible steel cable or satisfactory tightrope at round tube hole.
7. installation device of sensor according to claim 1, it is characterised in that the extension spring can be used to have and stretch
The tension and compression structure of effect is replaced.
8. -7 installation device of sensor described in any one according to claim 1, it is characterised in that the sensor installation dress
It sets when being installed on suspended span pipeline, the inner wall of suspended span pipeline is uniformly installed and be close to collar member, and suspended span pipe ends are equipped with sealing
The position of lid, sealing cover center and concentric circles is uniformly provided with equal three circular holes greatly, installs in the collar member of each position
Sensor lead corresponds to a circular hole position, is closely equipped with sealing ring on the circular hole that lead passes through, lead is from sealing ring
It draws, not used circular hole close installation gasket, for future use.
9. installation device of sensor according to claim 8, it is characterised in that installation device of sensor is installed on suspended span pipe
When road, each suspended span pipeline inner sleeve ring installation number is 5-8.
10. -7 installation device of sensor described in any one according to claim 1, it is characterised in that stretch the pressing of switch
Body, swivel, stretch rod and fixing pipe material completed by the high 3D resin printer of precision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811339594.3A CN109357833B (en) | 2018-11-12 | 2018-11-12 | Sensor mounting device for vortex-induced vibration test of suspended span pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811339594.3A CN109357833B (en) | 2018-11-12 | 2018-11-12 | Sensor mounting device for vortex-induced vibration test of suspended span pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109357833A true CN109357833A (en) | 2019-02-19 |
| CN109357833B CN109357833B (en) | 2024-02-23 |
Family
ID=65344828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811339594.3A Active CN109357833B (en) | 2018-11-12 | 2018-11-12 | Sensor mounting device for vortex-induced vibration test of suspended span pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109357833B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884332A (en) * | 2019-04-01 | 2019-06-14 | 南京市计量监督检测院 | A kind of centrifuge speed measuring system |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100089161A1 (en) * | 2007-02-15 | 2010-04-15 | Dalhousie University | Vibration Based Damage Detection System |
| CN102109405A (en) * | 2010-11-22 | 2011-06-29 | 上海交通大学 | Vortex-induced vibration test device for stand pipe under bidirectional shear flow and bidirectional ladder shear flow |
| CN102147321A (en) * | 2011-01-12 | 2011-08-10 | 中国海洋石油总公司 | Uniform flow vortex-induced vibration simulation tester for seabed pipeline |
| EP2420618A1 (en) * | 2010-08-17 | 2012-02-22 | Voith Patent GmbH | Method for avoiding barring appearances |
| JP2012150074A (en) * | 2011-01-21 | 2012-08-09 | Foundation For The Promotion Of Industrial Science | Micro cantilever sensor resonating at gas-liquid interface |
| KR20130030692A (en) * | 2011-09-19 | 2013-03-27 | 주식회사 현대케피코 | Durability test device for oxygen sensor in vehicles |
| CN104155468A (en) * | 2014-08-14 | 2014-11-19 | 新誉集团有限公司 | Magnet induction lantern ring used for measuring rate of rotating shaft of mechanical equipment |
| CN104990686A (en) * | 2015-07-09 | 2015-10-21 | 天津大学 | Testing apparatus of multi-span submarine pipeline vortex-induced vibration on vertical uniform incoming flow condition |
| CN105203280A (en) * | 2015-09-18 | 2015-12-30 | 天津大学 | Testing device for local flow rate increasing vertical incoming flow multi-span seabed pipeline vortex-induced vibration |
| CN105318964A (en) * | 2015-10-23 | 2016-02-10 | 中国海洋石油总公司 | Submarine pipeline suspended span vortex-induced vibration active monitoring system and method thereof |
| CN107917786A (en) * | 2017-11-20 | 2018-04-17 | 广西科技大学 | A kind of method of automobile exhaust pipe vibration experiment |
| CN209027760U (en) * | 2018-11-12 | 2019-06-25 | 广西科技大学 | A kind of installation device of sensor of suspended span pipeline vortex-induced vibration test |
-
2018
- 2018-11-12 CN CN201811339594.3A patent/CN109357833B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100089161A1 (en) * | 2007-02-15 | 2010-04-15 | Dalhousie University | Vibration Based Damage Detection System |
| EP2420618A1 (en) * | 2010-08-17 | 2012-02-22 | Voith Patent GmbH | Method for avoiding barring appearances |
| CN102109405A (en) * | 2010-11-22 | 2011-06-29 | 上海交通大学 | Vortex-induced vibration test device for stand pipe under bidirectional shear flow and bidirectional ladder shear flow |
| CN102147321A (en) * | 2011-01-12 | 2011-08-10 | 中国海洋石油总公司 | Uniform flow vortex-induced vibration simulation tester for seabed pipeline |
| JP2012150074A (en) * | 2011-01-21 | 2012-08-09 | Foundation For The Promotion Of Industrial Science | Micro cantilever sensor resonating at gas-liquid interface |
| KR20130030692A (en) * | 2011-09-19 | 2013-03-27 | 주식회사 현대케피코 | Durability test device for oxygen sensor in vehicles |
| CN104155468A (en) * | 2014-08-14 | 2014-11-19 | 新誉集团有限公司 | Magnet induction lantern ring used for measuring rate of rotating shaft of mechanical equipment |
| CN104990686A (en) * | 2015-07-09 | 2015-10-21 | 天津大学 | Testing apparatus of multi-span submarine pipeline vortex-induced vibration on vertical uniform incoming flow condition |
| CN105203280A (en) * | 2015-09-18 | 2015-12-30 | 天津大学 | Testing device for local flow rate increasing vertical incoming flow multi-span seabed pipeline vortex-induced vibration |
| CN105318964A (en) * | 2015-10-23 | 2016-02-10 | 中国海洋石油总公司 | Submarine pipeline suspended span vortex-induced vibration active monitoring system and method thereof |
| CN107917786A (en) * | 2017-11-20 | 2018-04-17 | 广西科技大学 | A kind of method of automobile exhaust pipe vibration experiment |
| CN209027760U (en) * | 2018-11-12 | 2019-06-25 | 广西科技大学 | A kind of installation device of sensor of suspended span pipeline vortex-induced vibration test |
Non-Patent Citations (3)
| Title |
|---|
| 姚杰: "柔性海管悬跨段涡激振动实验研究", 中国优秀硕士学位论文全文数据库工程科技Ⅰ辑, no. 11, pages 019 - 676 * |
| 李小超;王永学;李广伟;: "海底悬跨管线涡激振动实验方法探讨", 实验力学, no. 04, pages 476 - 489 * |
| 蔡曦, 付世晓, 张萌萌: "大长径比立管涡激振动试验测试技术", 聚焦应用 支撑创新——船舶力学学术委员会测试技术学组2016年学术会议论文集, pages 70 - 76 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884332A (en) * | 2019-04-01 | 2019-06-14 | 南京市计量监督检测院 | A kind of centrifuge speed measuring system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109357833B (en) | 2024-02-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107101798B (en) | A kind of dynamic five-hole probe | |
| CN102331332B (en) | Test device with controllable vibrational degrees of freedom for vortex-induced vibration of cylinders | |
| CN209027760U (en) | A kind of installation device of sensor of suspended span pipeline vortex-induced vibration test | |
| CN108215153B (en) | It is a kind of measurement 3D printing equipment multiple print head between deviant system | |
| CN109357833A (en) | A kind of installation device of sensor of suspended span pipeline vortex-induced vibration test | |
| CN109269749A (en) | A kind of experimental tank of suspended span pipeline vortex-induced vibration test | |
| CN102645266A (en) | Soil mass elastic wave velocity testing piezoelectric sensor for centrifugal model test | |
| CN104568044B (en) | A kind of flexible package liquid volume measurement device and method | |
| CN102460084B (en) | For housing being connected in the method and apparatus on vibrating flowmeter | |
| KR100946977B1 (en) | Holder for measuring velocity of elastic wave and Apparatus for measuring velocity of elastic wave | |
| CN101769899A (en) | Track tracing device | |
| RU93047198A (en) | DEVICE FOR RESEARCH AND DETERMINATION OF SOIL CHARACTERISTICS | |
| FI119096B (en) | Arrangement in intraocular pressure gauge | |
| CN104048743B (en) | Particle vibration velocity vibration pickup under water | |
| ITPR20000038A1 (en) | SHELL VIBRATION FLOW METER WITH ADDED MASSES | |
| CN209372156U (en) | A kind of point type Doppler ultra sonic wave flow flowmeter | |
| CN203915999U (en) | Adjustable Beating Strength is also tested the pendulum of Beating Strength | |
| CN1936519A (en) | Composite scale spring balance structure | |
| CN208012756U (en) | Based on floating, the magnetic-type vibrating sensing device assembly of interference mechanism drops | |
| CN202614365U (en) | Soil elastic wave speed test piezoelectric sensor for centrifugal model test | |
| CN103048037A (en) | Particle vibration velocity measuring sensor for one-dimensional aqueous medium | |
| CN208224169U (en) | Measure the experimental rig of core sample shear wave velocity | |
| CN209459559U (en) | A kind of big inner hole detecting device of flywheel | |
| US4756196A (en) | Flow measuring apparatus | |
| CN214277056U (en) | Adjusting and fixing device for transducer of ultrasonic flowmeter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |