CN107192523A - Transfer pipeline dynamic response test exciting force loading balancing device - Google Patents
Transfer pipeline dynamic response test exciting force loading balancing device Download PDFInfo
- Publication number
- CN107192523A CN107192523A CN201610147630.0A CN201610147630A CN107192523A CN 107192523 A CN107192523 A CN 107192523A CN 201610147630 A CN201610147630 A CN 201610147630A CN 107192523 A CN107192523 A CN 107192523A
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- China
- Prior art keywords
- exciting
- exciting force
- transfer pipeline
- threeway
- balancing device
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- 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
- G01M7/022—Vibration control arrangements, e.g. for generating random vibrations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention relates to exciting loading technique field, a kind of transfer pipeline dynamic response test exciting force loading balancing device is specifically disclosed.Exciting force is transmitted and the horizontal balanced protection device level of exciting force is across being fixedly mounted on the side wall of immobilizing foundation, and it is installed with transfer pipeline in exciting force transmission and the horizontal balanced protection device of exciting force, measuring system is connected with exciting threeway, vibrator and its fixing device loading exciting force, exciting force is transferred to pulsation pressure generator by exciting compound rod, pulsation pressure generator makes the liquid inside transfer pipeline produce fluctuation pressure by exciting threeway, the exciting force that the balance exciting threeway of exciting thrust balancing device is subject to, the fluctuation pressure of exciting threeway and transfer pipeline internal liquid is exported in measuring system record process of the test simultaneously.The device is simple to operate, cost is low, reproducible, and its reliability is high, can be applicable various sizes of transfer pipeline dynamic response test, it is ensured that the smooth loading of pulsation exciting force.
Description
Technical field
The present invention relates to exciting loading technique field, and in particular to a kind of transfer pipeline dynamic response test exciting force
Loading balancing device.
Background technology
Large-scale liquid rocket structural system intercouples with propulsion system can produce a kind of longitudinally unstable low frequency
Vibration, this vibration is also referred to as liquid rocket coupled longitudinal vibration.Such a vibration not only severely impacts fire
The success or failure of arrow launch mission, and the influence normal physiological function of astronaut.Suppress the longitudinal coupling of rocket in the world
The universal method for closing vibration is the intrinsic frequency that structural system and propulsion system are obtained by ground experiment, and will
Both separate.
Liquid rocket transfer pipeline propellant dynamic response test is the ground experiment for obtaining propulsion system intrinsic frequency
One kind.During transfer pipeline dynamic response test, it is desirable to which excitation system applies to the liquid in transfer pipeline pulses
Excitation.
Applying impulse excitation in experiment needs to overcome two aspect technological difficulties.First, vibrator distance rod and pulsation
The axiality of pressure generator piston rod.Exciting force is applied to pulsation by vibrator distance rod by bindiny mechanism
Pressure generator, then pass to by pulsation pressure generator the liquid in transfer pipeline.If both is same
Axle degree slightly deviation, it may appear that pulsation pressure generator piston clamping stagnation, can also cause damage to vibrator；2nd,
The balanced protection of transfer pipeline under transfer pipeline liquid transverse direction fluctuation pressure.Exciting force occurs by fluctuation pressure
Device is passed to after the liquid in transfer pipeline, and fluctuation pressure is longitudinally transmitted along transfer pipeline, while in exciting force
Apply section and there is horizontal force, if not doing Balance Treatment, delivery pipe bending moment during horizontal force meeting
And unstability.
The content of the invention
It is an object of the invention to provide a kind of transfer pipeline dynamic response test exciting force loading balancing device, its
Liquid rocket transfer pipeline propellant dynamic characteristic test can be applied to, exciting force transmission, exciting force is met
The test requirements document of horizontal balanced protection.
Technical scheme is as follows：A kind of transfer pipeline dynamic response test exciting force loading balancing device,
The device include exciting force transmit and the horizontal balanced protection device of exciting force, measuring system, immobilizing foundation and
Transfer pipeline, exciting force transmission and the horizontal balanced protection device level of exciting force are across being fixedly mounted on fixed base
On the side wall of plinth, and delivery pipe is installed with exciting force transmission and the horizontal balanced protection device of exciting force
Road, wherein, exciting force transmission and the horizontal balanced protection device of exciting force include vibrator and its fixing device,
Exciting compound rod, pulsation pressure generator, exciting threeway and exciting thrust balancing device, measuring system is with swashing
Threeway of shaking is connected, and vibrator and its fixing device loading exciting force, exciting force are transmitted by exciting compound rod
To pulsation pressure generator, pulsation pressure generator produces the liquid inside transfer pipeline by exciting threeway
Fluctuation pressure, the exciting force that the balance exciting threeway of exciting thrust balancing device is subject to, while measuring system record examination
The fluctuation pressure output of exciting threeway and transfer pipeline internal liquid during testing.
Described vibrator and its fixing device include fixing device and vibrator, wherein, vibrator passes through solid
Determine device to be connected with immobilizing foundation side wall.
Described exciting adapting rod includes exciting adapter and exciting adapting rod, wherein, exciting adapting rod one end
It is connected by exciting adapter with vibrator, the exciting adapting rod other end is connected with pulsation pressure generator.
Described exciting threeway includes transverse flange, upper flange and lower flange, wherein, upper flange and lower flange
Between cylindrical drum be provided with mounting seat, and protrude to form transverse flange in the side wall of the cylindrical drum；Horizontal method
Orchid be fixedly connected with pulsation pressure generator, upper flange is fixedly connected with transfer pipeline lower surface, lower flange and
The end face of immobilizing foundation is fixedly connected.
Described exciting thrust balancing device includes bottom plate, branch pipe, upper plate, front band and lower catch hoop, wherein,
Cylindric branch pipe welding is between bottom plate and upper plate, and bottom plate is fixed on the side wall of immobilizing foundation, and upper plate is another
The front band and lower catch hoop that are be arranged in parallel above and below side are stuck in the circle in exciting threeway between upper flange and lower flange
On barrel, and limit the lateral displacement of exciting threeway.
The remarkable result of the present invention is：A kind of transfer pipeline dynamic response test exciting force of the present invention adds
Carry bascule and can solve the problem that pulsation pressure generator piston rod axiality and transfer pipeline liquid laterally pulsation pressure
The experimental technique difficult point of transfer pipeline balanced protection under power；Meanwhile, the device is simple to operate, cost is low, again
Renaturation is good, and its reliability is high, can be applicable various sizes of transfer pipeline dynamic response test, it is ensured that pulsation swashs
The smooth loading for power of shaking.
Brief description of the drawings
Fig. 1 is that a kind of transfer pipeline dynamic response test exciting force loading balancing device structure of the present invention is shown
It is intended to；
Fig. 2 is vibrator and its fixture structure schematic diagram in Fig. 1；
Fig. 3 is exciting compound rod structural representation in Fig. 1；
Fig. 4 is exciting three-port structure schematic diagram in Fig. 1；
Fig. 5 is exciting force balance device structure schematic diagram in Fig. 1；
In figure：1st, exciting force transmission and the horizontal balanced protection device of exciting force；2nd, measuring system；3rd, it is fixed
Basis；4th, transfer pipeline；11st, vibrator and its fixing device；12nd, exciting compound rod；13rd, pulsation pressure
Forcer；14th, exciting threeway；15th, exciting thrust balancing device；1101st, fixing device；1102nd, swash
Shake device；1201st, exciting adapter；1202nd, exciting adapting rod；1401st, transverse flange；1402nd, on
Flange；1403rd, lower flange；1404th, mounting seat；1501st, bottom plate；1502nd, branch pipe；1503rd, upper plate；
1504th, front band；1505th, lower catch hoop.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to the present invention.
As shown in Fig. 1~5, a kind of transfer pipeline dynamic response test exciting force loading balancing device includes exciting force
Transmission and the horizontal balanced protection device 1 of exciting force, measuring system 2, immobilizing foundation 3 and transfer pipeline 4,
Exciting force is transmitted and the horizontal level of balanced protection device 1 of exciting force is across the side for being fixedly mounted on immobilizing foundation 3
On wall, and transfer pipeline 4 is installed with exciting force transmission and the horizontal balanced protection device 1 of exciting force,
Wherein, exciting force transmission and the horizontal balanced protection device 1 of exciting force include vibrator and its fixing device 11,
Exciting compound rod 12, pulsation pressure generator 13, exciting threeway 14 and exciting thrust balancing device 15；Swash
Vibrator 1102 in device and its fixing device 11 of shaking is connected by fixing device 1101 and the side wall of immobilizing foundation 3
Connect fixation；Exciting compound rod 12 includes exciting adapter 1201 and exciting adapting rod 1202, wherein, exciting
Adapting rod 1202 is connected by exciting adapter 1201 with vibrator 1102；Pulsation pressure generator
13 sides are fixedly connected by screwed hole with the exciting adapting rod 1202 in exciting compound rod 12, fluctuation pressure
The ring flange of the opposite side of generator 13 is fixed by the transverse flange 1401 in bolt and exciting threeway 14 to be connected
Connect, the upper flange 1402 in exciting threeway 14 is fixedly connected by bolt with the lower surface of transfer pipeline 4, swash
The lower flange 1403 shaken in threeway 14 is fixed with the end face bolt connection of immobilizing foundation 3, in upper flange 1402
Mounting seat 1404 is additionally provided with cylinder barrel between lower flange 1403, by mounting seat 1404 with surveying
Amount system 2 is connected；Exciting thrust balancing device 15 include bottom plate 1501, branch pipe 1502, upper plate 1503,
Front band 1504 and lower catch hoop 1505, wherein, cylindric branch pipe 1502 is welded on the He of bottom plate 1501
Between upper plate 1503, bottom plate 1501 is fixed on the side wall of immobilizing foundation 3, on the opposite side of upper plate 1503
Under the front band 1504 that be arranged in parallel and lower catch hoop 1505 be stuck in exciting threeway 14 upper flange 1402 and under
On cylindrical wall between flange 1403, and limit the lateral displacement of exciting threeway 14.
During experiment, vibrator and its loading exciting force of fixing device 11, exciting force pass through exciting compound rod 12
Pulsation pressure generator 13 is transferred to, pulsation pressure generator 13 makes transfer pipeline 4 by exciting threeway 14
Internal liquid produces fluctuation pressure, and exciting thrust balancing device 15 balances the exciting force that exciting threeway 14 is subject to,
Measuring system 2 records the fluctuation pressure of exciting threeway 14 and the internal liquid of transfer pipeline 4 in process of the test simultaneously
Output.
Claims (5)
1. a kind of transfer pipeline dynamic response test exciting force loading balancing device, it is characterised in that：The device bag
Include exciting force transmission and the horizontal balanced protection device (1) of exciting force, measuring system (2), immobilizing foundation (3)
And transfer pipeline (4), exciting force transmission and horizontal balanced protection device (1) level of exciting force are across fixation
On the side wall of immobilizing foundation (3), and in exciting force transmission and the horizontal balanced protection device (1) of exciting force
On be installed with transfer pipeline (4), wherein, exciting force transmission and the horizontal balanced protection device (1) of exciting force
Including vibrator and its fixing device (11), exciting compound rod (12), pulsation pressure generator (13), swash
Shake threeway (14) and exciting thrust balancing device (15), and measuring system is connected with exciting threeway (14),
Vibrator and its fixing device (11) loading exciting force, exciting force are transferred to by exciting compound rod (12)
Pulsation pressure generator (13), pulsation pressure generator (13) makes transfer pipeline by exciting threeway (14)
(4) internal liquid produces fluctuation pressure, exciting thrust balancing device (15) balance exciting threeway (14) by
The exciting force arrived, while exciting threeway (14) and transfer pipeline (4) in measuring system (2) record process of the test
The fluctuation pressure output of internal liquid.
2. a kind of transfer pipeline dynamic response test exciting force loading balancing device according to claim 1,
It is characterized in that：Described vibrator and its fixing device (11) include fixing device (1101) and exciting
Device (1102), wherein, vibrator (1102) passes through fixing device (1101) and immobilizing foundation (3) side
Wall is connected.
3. a kind of transfer pipeline dynamic response test exciting force loading balancing device according to claim 2,
It is characterized in that：Described exciting adapting rod (1202) includes exciting adapter (1201) and exciting is transferred
Bar (1202), wherein, exciting adapting rod (1202) one end passes through exciting adapter (1201) and exciting
Device (1102) is connected, and exciting adapting rod (1202) other end is connected with pulsation pressure generator (13).
4. a kind of transfer pipeline dynamic response test exciting force loading balancing device according to claim 1,
It is characterized in that：Described exciting threeway (14) includes transverse flange (1401), upper flange (1402)
With lower flange (1403), wherein, in the cylindrical drum between upper flange (1402) and lower flange (1403)
Protrude to form transverse flange (1401) provided with mounting seat (1404), and in the side wall of the cylindrical drum；Horizontal method
Blue (1401) are fixedly connected with pulsation pressure generator (13), upper flange (1402) and transfer pipeline (4)
Lower surface is fixedly connected, and lower flange (1403) is fixedly connected with the end face of immobilizing foundation (3).
5. a kind of transfer pipeline dynamic response test exciting force loading balancing device according to claim 1,
It is characterized in that：Described exciting thrust balancing device (15) include bottom plate (1501), branch pipe (1502),
Upper plate (1503), front band (1504) and lower catch hoop (1505), wherein, cylindric branch pipe (1502)
It is welded between bottom plate (1501) and upper plate (1503), bottom plate (1501) is fixed on immobilizing foundation (3)
Side wall on, the front band (1504) and lower catch hoop (1505) being be arranged in parallel above and below upper plate (1503) opposite side
It is stuck on the cylindrical wall in exciting threeway (14) between upper flange (1402) and lower flange (1403), and
Limit the lateral displacement of exciting threeway (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610147630.0A CN107192523B (en) | 2016-03-15 | 2016-03-15 | Exciting force loading balancing device for dynamic characteristic test of conveying pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610147630.0A CN107192523B (en) | 2016-03-15 | 2016-03-15 | Exciting force loading balancing device for dynamic characteristic test of conveying pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107192523A true CN107192523A (en) | 2017-09-22 |
| CN107192523B CN107192523B (en) | 2023-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610147630.0A Active CN107192523B (en) | 2016-03-15 | 2016-03-15 | Exciting force loading balancing device for dynamic characteristic test of conveying pipeline |
Country Status (1)
| Country | Link |
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| CN (1) | CN107192523B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112525461A (en) * | 2020-07-06 | 2021-03-19 | 东北大学 | Vibration test bed of multiform clamp pipe test system and frequency response test method thereof |
| CN113640001A (en) * | 2021-07-12 | 2021-11-12 | 北京航空航天大学 | Generator for generating pulsating flow under high back pressure environment |
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| JP2005257630A (en) * | 2004-03-15 | 2005-09-22 | Toyota Motor Corp | Pulsation generator and vibration measurement/evaluation system |
| CN103712787A (en) * | 2013-12-27 | 2014-04-09 | 天津航天瑞莱科技有限公司苏州分公司 | Pressure circulation service life testing system and method |
| CN104236836A (en) * | 2013-06-08 | 2014-12-24 | 北京强度环境研究所 | Pressure balancing system and method for rocket conveying pipeline system vibration test |
| CN104879348A (en) * | 2015-03-27 | 2015-09-02 | 武汉理工大学 | Hydraulic pipeline vibration test simulation experiment platform |
| CN205002938U (en) * | 2015-06-11 | 2016-01-27 | 北京强度环境研究所 | Adjustable excitation ejector pin |
| CN205719458U (en) * | 2016-03-15 | 2016-11-23 | 北京强度环境研究所 | Transfer pipeline dynamic response test exciting force loading balancing device |
-
2016
- 2016-03-15 CN CN201610147630.0A patent/CN107192523B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005257630A (en) * | 2004-03-15 | 2005-09-22 | Toyota Motor Corp | Pulsation generator and vibration measurement/evaluation system |
| CN104236836A (en) * | 2013-06-08 | 2014-12-24 | 北京强度环境研究所 | Pressure balancing system and method for rocket conveying pipeline system vibration test |
| CN103712787A (en) * | 2013-12-27 | 2014-04-09 | 天津航天瑞莱科技有限公司苏州分公司 | Pressure circulation service life testing system and method |
| CN104879348A (en) * | 2015-03-27 | 2015-09-02 | 武汉理工大学 | Hydraulic pipeline vibration test simulation experiment platform |
| CN205002938U (en) * | 2015-06-11 | 2016-01-27 | 北京强度环境研究所 | Adjustable excitation ejector pin |
| CN205719458U (en) * | 2016-03-15 | 2016-11-23 | 北京强度环境研究所 | Transfer pipeline dynamic response test exciting force loading balancing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112525461A (en) * | 2020-07-06 | 2021-03-19 | 东北大学 | Vibration test bed of multiform clamp pipe test system and frequency response test method thereof |
| CN113640001A (en) * | 2021-07-12 | 2021-11-12 | 北京航空航天大学 | Generator for generating pulsating flow under high back pressure environment |
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| Publication number | Publication date |
|---|---|
| CN107192523B (en) | 2023-06-20 |
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