CN105973552B - Combinational environment Coordinated Loading System in cryogenic propellant transfer pipeline vibration test - Google Patents
Combinational environment Coordinated Loading System in cryogenic propellant transfer pipeline vibration test Download PDFInfo
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- CN105973552B CN105973552B CN201510920029.6A CN201510920029A CN105973552B CN 105973552 B CN105973552 B CN 105973552B CN 201510920029 A CN201510920029 A CN 201510920029A CN 105973552 B CN105973552 B CN 105973552B
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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
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Abstract
The invention discloses the combinational environment Coordinated Loading Systems in a kind of cryogenic propellant transfer pipeline vibration test, including cryogenic propellant tank, temperature sensor, pressure sensor, experiment pipeline, voltage-stablizer, super-pressure gas cylinder, the first cryogenic high pressure shut-off valve, cryogenic high pressure safety valve, pressure electromagnetic valve for adjusting, four-way switching device, the first pipeline switching tooling, the second pipeline switching tooling, three-dimensional switching device, the second cryogenic high pressure shut-off valve, pressurization solenoid valve.The system can be achieved at the same time cryogenic propellant filling and high pressure loading, it is ensured that accuracy, the controllability of dwell time that experiment pipeline pressurizes during analog vibration is tested are capable of the actual environment of more real simulation test management.The system design is simple, operation is extremely convenient.
Description
Technical field
The invention belongs to cryogenic pipe vibration test technical fields, and in particular to cryogenic propellant transfer pipeline vibration test
In combinational environment Coordinated Loading System.
Background technology
Compared with traditional carrier rocket propellant, No. 5 rockets of the Long March employ liquid hydrogen/oxygen propellant as engine
Fuel has many advantages, such as that pollution-free, non-toxic, the abundant thrust of burning is big.It is each to also become the world for liquid hydrogen/oxygen propellant at present
The preferred fuels of spacefaring nation New Launch.The problem of coming therewith is to be needed in rocket body in fuel tank and engine
Between arrange various connecting line, pipeline is at work in cryogenic high pressure state, and in-flight subject dynamic load(loading).Institute
With, in order to ensure succeeding in developing for new rocket, the vibration test of rocket body pipeline is then essential, and in vibration test
The middle cryogenic high pressure state for needing to simulate pipeline so that Reliability Check of the pipeline under the conditions of work condition environment is truer.
Since liquid hydrogen, liquid oxygen temperature are very low, respectively 20K (- 253 DEG C), (- 193 DEG C) Zuo You of 80K, local liquid hydrogen storage tank
Hydrogen Autogeneous pressurization pipeline needs really to simulate its actual working state in vibration test, including channel interior temperature
And pressure value.Environmental simulation for the cryogenic pipe vibration test of 13.5MPa pressure values, the carrier rocket model before are ground
Still belong to blank in system.Moreover, existing cryogenic propellant fills and pressurized equipment is after the completion of cryogenic propellant filling, due to adding
High pressure draught intermediate links are more during pressure and equipment design pressure-bearing value is relatively low, also have various ring flanges, shutoff valve, sensor
Interface after sub-cooled (- 193 DEG C or so) there are different degrees of shrinkage stress, causes equipment entirety poor air-tightness.Therefore,
Lack the extreme difficulties that applicable environmental simulation system causes pipeline operating mode environmental test.Further, since pipeline is in low temperature shape
The time deficiency of internal pressurize under state seriously affects the real reliability of pipeline simulated environment.Therefore the present invention provides one kind
Combinational environment Coordinated Loading System, it is ensured that being passed through what is pressurizeed after cryogenic propellant during pipeline carries out vibration test
Accuracy, the controllability of dwell time, test apparatus equipment, product and the security of personnel, the reality of more real simulation pipeline
Border use environment reaches the objectives of examination of pipeline vibration experiment.
The content of the invention
It, should the present invention provides the combinational environment Coordinated Loading System in a kind of cryogenic propellant transfer pipeline vibration test
System contains two subsystems of cryogenic propellant filling and high pressure loading, is realized by cryogenic propellant loading system to examination
The cryogenic propellant filling of pipeline is tested, cryogenic propellant loading system and pipe are realized by three-dimensional switching device and four-way switching device
The physical isolation of road high pressure loading system, and safety valve and solenoid valve guarantor are additionally arranged in cryogenic propellant high pressure loading system
It has demonstrate,proved pressure release after vibration test and has discharged the demand of cryogenic propellant, temperature sensor is provided with also at the top of four-way switching device
And pressure sensor, it realizes to the accurate measurement of temperature, pressure and the data reference of remote control in experiment pipeline.
Combinational environment Coordinated Loading System in cryogenic propellant transfer pipeline vibration test provided by the invention, including low
Warm propellant tank, temperature sensor, pressure sensor, experiment pipeline, voltage-stablizer, super-pressure gas cylinder, further include the first low temperature height
Pressure cutoff valve, cryogenic high pressure safety valve, pressure electromagnetic valve for adjusting, four-way switching device, the first pipeline switching tooling, the second pipeline
Switching tooling, three-dimensional switching device, the second cryogenic high pressure shut-off valve, pressurization solenoid valve；Temperature sensor and pressure sensor are put
At the top of four-way switching device, four-way switching device connects the first cryogenic high pressure shut-off valve, cryogenic high pressure safety valve, pressure respectively
Electromagnetic valve for adjusting and experiment pipeline, four-way switching device are connected by the first pipeline switching tooling with experiment pipeline one end, and first
Cryogenic high pressure shut-off valve is connected by cryogenic propellant flexible hose for loading with cryogenic propellant tank；Three-dimensional switching device connects respectively
Two pipeline switching toolings, the second cryogenic high pressure shut-off valve, pressurization solenoid valve, three-dimensional switching device pass through the second pipeline switching tooling
It is connected with the experiment pipeline other end, the second cryogenic high pressure shut-off valve is connected by cryogenic propellant flexible hose for loading with voltage-stablizer, is added
Pressure electromagnetic valve is connected by super-pressure forcing hose with super-pressure gas cylinder, four-way switching device and the first pipeline switching tooling it
Between, between three-dimensional switching device and the second pipeline switching tooling pass through super-pressure and fill forcing hose and connect.
The cryogenic propellant is liquid nitrogen, liquid hydrogen, liquid oxygen.
The first cryogenic high pressure shut-off valve, cryogenic high pressure safety valve, pressure electromagnetic valve for adjusting, four-way switching device, three
It is placed in switching device, the second cryogenic high pressure shut-off valve, pressurization solenoid valve on support pallet.
The placement location of the voltage-stablizer ensures that the cryogenic propellant in voltage-stablizer can higher than the placement location of experiment pipeline
It is supplemented to timely reflux in experiment pipeline.
Beneficial effects of the present invention are as follows：
The present invention can be achieved at the same time cryogenic propellant filling and high pressure loading, it is ensured that experiment pipeline is tested in analog vibration
During accuracy, the controllability of dwell time pressurizeed, be capable of the actual environment of more real simulation test management.This is
System design is simple, operation is extremely convenient.
Description of the drawings
Fig. 1 is the combinational environment Coordinated Loading System schematic diagram of the present invention；
1- moves cryogenic propellant tank 2- the first cryogenic high pressure shut-off valve 3- four-way switching device 4- temperature sensors
5- pressure sensor 6- cryogenic high pressure safety valve 7- cryogenic propellant flexible hose for loading 8- pressure electromagnetic valve for adjusting 9- super-pressure
Forcing hose 10- pipeline switching tooling 11- three-dimensional switching devices 12- the second cryogenic high pressures of pressurization solenoid valve 13- are filled to cut
Only valve 14- voltage-stablizers 15- super-pressure forcing hose 16- super-pressure gas cylinders 17- tests pipeline 18- supports pallet 19- and shakes
Dynamic platform
Specific embodiment
Technical scheme is described in further details with reference to the accompanying drawings and detailed description.Obviously, institute
The embodiment of description is only the part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiment of the present invention,
Those skilled in the art's all other embodiments obtained without making creative work, belonging to the present invention will
Seek the scope of protection.
As shown in Figure 1, the combinational environment in cryogenic propellant transfer pipeline vibration test provided by the invention coordinates loading
System by removable cryogenic propellant tank (1), cryogenic high pressure shut-off valve (2), four-way switching device (3), temperature sensor (4),
Pressure sensor (5), cryogenic high pressure safety valve (6), cryogenic propellant flexible hose for loading (7), pressure electromagnetic valve for adjusting (8), superelevation
Pressure filling forcing hose (9), pipeline switching tooling (10), three-dimensional switching device (11), pressurization solenoid valve (12), cryogenic high pressure are cut
Only valve (13), voltage-stablizer (14), super-pressure forcing hose (15), super-pressure gas cylinder (16), experiment pipeline (17), support pallet
(18), shake table (19) forms.
1st, cryogenic propellant filling subsystem
When to experiment pipeline filling cryogenic propellant, cryogenic propellant flows through removable cryogenic propellant and fills (1) → low
Warm repropellenting hose (7) → cryogenic high pressure shut-off valve (2) → four-way switching device (3) → super-pressure filling forcing hose
(9) → experiment pipeline (17) → super-pressure filling forcing hose (9) → three-dimensional switching device (11) → cryogenic high pressure shut-off valve
(13) → cryogenic propellant flexible hose for loading (7) → voltage-stablizer (14), (by long-range after voltage-stablizer (14) interior cryogenic propellant is filled it up with
Control device monitors), due to voltage-stablizer (14) and natural height difference existing for experiment pipeline (17) placement location, it can also ensure voltage stabilizing
Cryogenic propellant in device (14) can flow back in time to be supplemented in experiment pipeline.
2nd, cryogenic propellant high pressure loading subsystem
Full of after liquid nitrogen in experiment pipeline (17), cryogenic high pressure shut-off valve (2) and cryogenic high pressure shut-off valve (13) are closed,
Super-pressure gas cylinder (16) is made to be in opening state, is pressurizeed by the solenoid valve that pressurizes (12) to experiment pipeline (17), and by pressing
Force snesor (5) monitoring test pipeline (17) pressure value carries out necessary adjusting.System avoids high pressure gas under pressure
Body is flowed through in voltage-stablizer, reduces the intermediate links of gases at high pressure, ensure that the stability and controllability of pressure value.
3rd, cryogenic propellant monitors subsystem in real time
Temperature sensor (4) and pressure sensor (5) are arranged on the four-way switching being closer to experiment pipeline (17) and fill
It puts at the top of (3), temperature and pressure that can in real time in monitoring test pipeline (17), data are more true and reliable to have research with joining
Examine value.After experiment pipeline (17) simulates cryogenic high pressure operating mode, pressure electromagnetic valve for adjusting (8) and voltage-stablizer can be passed through
(14) release port carries out the release of cryogenic propellant and high pressure, and the combinational environment of the present invention is more efficiently made to coordinate loading system
System is restored to normal temperature and pressure state.
Carry out the actual conditions of simulation cryogenic high pressure working condition for CZ-5 carrier rocket core level-ones pipeline, low temperature promotes
By taking liquid nitrogen as an example, design pressure value is 20MPa for agent, and design temperature is -196 DEG C.
When carrying out liquid nitrogen filling to experiment pipeline (17), it is high with the second low temperature to open the first cryogenic high pressure shut-off valve (2)
Pressure cutoff valve (13) when liquid nitrogen is full of in voltage-stablizer (14), closes the first cryogenic high pressure shut-off valve (2) and the second cryogenic high pressure
Shut-off valve (13).Super-pressure gas cylinder (16) is opened, is pressurizeed by the solenoid valve that pressurizes (12) to experiment pipeline (17), during pressurization
Pressure sensor (5) is remotely monitored, super-pressure gas cylinder (16) is closed after pressure value meets test requirements document, tests pipeline
(17) working environment simulation is basically completed, and is opened shake table (19) and is carried out vibration certification test.Such as in follow-up test in pipeline
It, can remote opening pressure electromagnetic valve for adjusting (8) progress pressure adjusting during boosting situation.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications to these embodiments are it will be apparent that as defined herein one for the patented technology personnel of this field
As principle can realize in other embodiments without departing from the present invention.Therefore, the present invention will not be limited
The embodiments shown herein is formed on, and is to fit to the most wide model consistent with the principles and novel features disclosed herein
It encloses.
Claims (4)
1. the combinational environment Coordinated Loading System in cryogenic propellant transfer pipeline vibration test, including cryogenic propellant tank, temperature
Spend sensor, pressure sensor, experiment pipeline, voltage-stablizer, super-pressure gas cylinder, which is characterized in that further include the first cryogenic high pressure
Shut-off valve, cryogenic high pressure safety valve, pressure electromagnetic valve for adjusting, four-way switching device, the first pipeline switching tooling, the second pipeline turn
Connect frock, three-dimensional switching device, the second cryogenic high pressure shut-off valve, pressurization solenoid valve；Temperature sensor and pressure sensor are placed in
At the top of four-way switching device, four-way switching device connects the first cryogenic high pressure shut-off valve, cryogenic high pressure safety valve, pressure tune respectively
Economize on electricity magnet valve and experiment pipeline, and four-way switching device is connected by the first pipeline switching tooling with experiment pipeline one end, and first is low
High temperature and high pressure cut-off valve is connected by cryogenic propellant flexible hose for loading with cryogenic propellant tank；Three-dimensional switching device connects second respectively
Pipeline switching tooling, the second cryogenic high pressure shut-off valve, pressurization solenoid valve, three-dimensional switching device by the second pipeline switching tooling and
The experiment pipeline other end is connected, and the second cryogenic high pressure shut-off valve is connected by cryogenic propellant flexible hose for loading with voltage-stablizer, pressurization
Solenoid valve is connected by super-pressure forcing hose with super-pressure gas cylinder, between four-way switching device and the first pipeline switching tooling,
Forcing hose is filled between three-dimensional switching device and the second pipeline switching tooling by super-pressure to connect.
2. the combinational environment Coordinated Loading System in cryogenic propellant transfer pipeline vibration test according to claim 1,
It is characterized in that, the cryogenic propellant is liquid nitrogen or liquid hydrogen or liquid oxygen.
3. the combinational environment in cryogenic propellant transfer pipeline vibration test according to claim 1 or 2 coordinates loading system
System, which is characterized in that the first cryogenic high pressure shut-off valve, cryogenic high pressure safety valve, pressure electromagnetic valve for adjusting, four-way switching dress
Put, three-dimensional switching device, the second cryogenic high pressure shut-off valve, pressurization solenoid valve be placed in support pallet on.
4. the combinational environment in cryogenic propellant transfer pipeline vibration test according to claim 1 or 2 coordinates loading system
System, which is characterized in that the placement location of the voltage-stablizer is higher than the placement location of experiment pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510920029.6A CN105973552B (en) | 2015-12-11 | 2015-12-11 | Combinational environment Coordinated Loading System in cryogenic propellant transfer pipeline vibration test |
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| CN201510920029.6A CN105973552B (en) | 2015-12-11 | 2015-12-11 | Combinational environment Coordinated Loading System in cryogenic propellant transfer pipeline vibration test |
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| CN105973552B true CN105973552B (en) | 2018-05-29 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398210A (en) * | 2018-04-28 | 2018-08-14 | 张家港富瑞阀门有限公司 | A kind of valves test environmental simulation system |
| CN109520693A (en) * | 2018-12-28 | 2019-03-26 | 北京强度环境研究所 | A kind of liquid oxygen delivery pipe vibration testing device and its test method |
| CN110455519B (en) * | 2019-08-27 | 2021-05-04 | 北京强度环境研究所 | Test system for lateral rigidity of pipeline system under high-temperature internal pressure shear deformation |
| CN111551378A (en) * | 2020-04-26 | 2020-08-18 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Reliability test device and test system suitable for liquid nitrogen cooling equipment |
| CN111982440B (en) * | 2020-09-01 | 2024-06-07 | 天津航天瑞莱科技有限公司 | Liquid nitrogen bifurcation pipeline double-platform parallel excitation vibration test system |
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