CN203616084U - Fill and relief valve low temperature vibration test device for carrier rocket - Google Patents
Fill and relief valve low temperature vibration test device for carrier rocket Download PDFInfo
- Publication number
- CN203616084U CN203616084U CN201320728035.8U CN201320728035U CN203616084U CN 203616084 U CN203616084 U CN 203616084U CN 201320728035 U CN201320728035 U CN 201320728035U CN 203616084 U CN203616084 U CN 203616084U
- Authority
- CN
- China
- Prior art keywords
- chassis
- liquid nitrogen
- base
- thermal insulation
- nitrogen tank
- 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.)
- Expired - Lifetime
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- 238000012360 testing method Methods 0.000 title claims abstract description 23
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 13
- 239000012774 insulation material Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- 229920002530 polyetherether ketone Polymers 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 4
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 claims description 4
- 238000009827 uniform distribution Methods 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract 8
- 239000001307 helium Substances 0.000 description 7
- 229910052734 helium Inorganic materials 0.000 description 7
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a fill and relief valve low temperature vibration test device for a carrier rocket. The device comprises a chassis (1), thermal insulation blocks (2), a thermal insulation liquid nitrogen tank (3), an upper cover (4), a hand valve (5), a leak detection tool (6), a base (8), base fixing screws (9), thermal insulation block fixing screws (10), and a thermal insulating material (11). The thermal insulation liquid nitrogen tank (3) is installed on the chassis (1). The thermal insulation blocks (2) and the thermal insulating material (11) are installed between the bottom of the thermal insulation liquid nitrogen tank (3) and the chassis (1). The top of the thermal insulation liquid nitrogen tank (3) is equipped with the upper cover (4). The base (8) is placed in the thermal insulation liquid nitrogen tank (3) and is fixed with the base through the base fixing screws (9). The base (8) is connected with the outlet of a fill and relief valve (7). The inlet of the fill and relief valve (7) is equipped with a metal soft pipe through the leak detection tool (6). The metal soft pipe passes through the upper cover (4) and is connected with the hand valve (5). The chassis (1) is connected with a vibration table.
Description
Technical field
The utility model relates to a kind of Subzero valve pilot system, particularly carrier rocket and lets out valve liquid nitrogen temperature vibration experiment with adding.
Background technology
Add releasing while letting out valve for the filling of carrier rocket propellant and fault condition, be arranged on tanks at different levels go to the bottom on filling flange with flange connection, working temperature is 80K～323K.
To add and let out the suffered vibration environment of valve in order to simulate in the practical flight operating mode of carrier rocket, in ground simulation test process, need to let out valve and carry out liquid nitrogen temperature vibration test adding, the vibration experiment of current ambient temperature cannot meet and added the requirement of letting out valve low temperature vibration test.
It is reported, for the vibration testing method of Subzero valve, domestic employing be spray process, be that valve installation is on shaking table, in vibration processes, constantly spray liquid nitrogen so that valve reaches the temperature duty to valve surface from valve top part or side, because valve housing is exposed in air ambient and air heat-exchange all the time, therefore cannot guarantee that spool reaches actual work temperature.
Summary of the invention
Technology of the present utility model is dealt with problems and is: provide one to add and let out valve liquid nitrogen temperature vibration testing device, can meet to add and let out valve low temperature environment, dynamic environmental test requirement.
Technical solution of the present utility model is: a kind of carrier rocket is let out valve low temperature vibration testing device with adding, and comprises chassis, heat-insulating block, adiabatic liquid nitrogen tank, upper cover, hand valve, leak detection tool equipment, base, base gib screw, heat-insulating block gib screw and thermal insulation material;
Adiabatic liquid nitrogen tank is arranged on chassis, and heat-insulating block and thermal insulation material are installed between the bottom of adiabatic liquid nitrogen tank and chassis, and upper cover is installed at the top of adiabatic liquid nitrogen tank; Base is placed in adiabatic liquid nitrogen tank inside and fixes by base gib screw with chassis; Base is let out valve outlet port and is connected with adding, and adds the entrance of letting out valve, by leak detection tool equipment, metal hose is installed, and metal hose is through top cap catcher valve; Chassis is connected with shaking table.
A described chassis upper process mount pad, installs a heat-insulating block on each mount pad, top, chassis is removed heat-insulating block and is partially filled thermal insulation material.
Described thermal insulation material adopts isocyanurate foam, and heat-insulating block material adopts glass reinforced polyether ether ketone.
Described mount pad is along chassis circumference uniform distribution.
The utility model compared with prior art beneficial effect is:
(1) the utility model adopts Research on Shaking Table for Simulating to add and lets out valve vibration mechanics environment, add and let out valve inside and be filled with low temperature helium, add and let out valve outside and add liquid nitrogen, in vibration processes, liquid nitrogen participates in vibration with adding to let out together with valve, can meet to add and let out the requirement in low temperature environment all the time in valve vibration test process; The low temperature vibration test of other Subzero valves is had to certain reference simultaneously.
(2) add and let out valve and shaking table syndeton is comparatively special, need to meet two key conditions: the one, add and let out valve and must be rigidly connected with shaking table, guarantee vibration condition is distortionless to be passed to add and lets out valve; The 2nd, adding to let out between valve and chassis needs well insulated, to guarantee that chassis place is as normal temperature environment, avoids low temperature environment to affect shaking table work.Therefore adopted intensity is higher, coefficient of heat conductivity is lower glass reinforced polyether ether ketone totally 6 be placed between base and chassis, not only guarantee adiabatic condition but also met certain rigidity condition, all the other positions have adopted the better polyurethane foamed material of heat-insulating property, have guaranteed to add to let out valve low temperature environment and can not conduct to vibration table;
(3) for meeting vibration test requirement, adopt metal hose to let out valve inside and be filled with low temperature helium to adding, add and let out valve upper end and can carry out the airtight inspection in vibration processes by leak detection tool equipment connection metal flexible pipe.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model chassis vertical view.
Embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated, a kind of carrier rocket is let out valve low temperature vibration testing device with adding, and comprises chassis 1, heat-insulating block 2, adiabatic liquid nitrogen tank 3, upper cover 4, hand valve 5, leak detection tool equipment 6, base 8, base gib screw 9, heat-insulating block gib screw 10 and isocyanurate foam 11;
Adiabatic liquid nitrogen tank 3 is arranged on chassis 1, and heat-insulating block 2 and isocyanurate foam 11 are installed between the bottom of adiabatic liquid nitrogen tank 3 and chassis 1, and upper cover 4 is installed at the top of adiabatic liquid nitrogen tank 3; It is inner and fixing by base gib screw 9 with chassis 1 that base 8 is placed in adiabatic liquid nitrogen tank 3; Base 8 is let out valve 7 outlet and is connected with adding, and adds the entrance of letting out valve 7, by leak detection tool equipment 6, metal hose is installed, and metal hose passes upper cover 4 and connects hand valve 5; Chassis 1 is connected with shaking table.
As shown in Figure 2,6 mount pads 12 of chassis 1 upper process, install 6 heat-insulating blocks 2 to chassis 1 vertical view on mount pad 12, and heat-insulating block 2 materials are glass reinforced polyether ether ketone, and this thermal insulation material intensity is higher and possess certain heat-proof quality, and design parameter is shown in mistake! Do not find Reference source.：
Table 1 glass reinforced polyether ether ketone material property parameter
Empirical tests is used this material can guarantee that in vibration test elapsed-time standards, base 8 low temperature environments can not conduct on chassis 1, guarantee in process of the test that shaking table is always within the scope of normal operation temperature area, simultaneously higher strength character can guarantee to be rigidly connected between base 8 and chassis, guaranteed vibration signal distortionless pass to add let out valve 7.
Between described chassis 1 and base 8, except 6 heat-insulating blocks 2, remainder is the foamed polyurethane insulating material 11 that coefficient of heat conductivity is lower but softer, can play good heat insulating function.
Directly fixing by base gib screw 9 between 1,6 heat-insulating blocks 2 in described base 8 and chassis, guarantee to be rigidly connected between base 8 and chassis.
Process of the test is as follows:
(1) let out valve 7 outlet and carry out helium replacement adding by metal hose A: to adding the normal temperature helium of letting out valve outlet port and be filled with 0.2MPa, exit subsequently to atmospheric pressure, repeat this inflation/deflation process 20 times, inflation/deflation 10 seconds of interval time, complete backward adding to let out valve outlet port and fill 0.65MPa pressure helium;
(2) open stop valve 5, let out valve 7 entrances and carry out helium replacement adding by metal hose B: to adding the normal temperature helium of letting out valve 7 entrances and be filled with 0.05MPa, exit subsequently to atmospheric pressure, repeat this inflation/deflation process 20 times, close stop valve 5;
(3) do not have leak detection tool equipment 6 to pouring liquid nitrogen to liquid level in adiabatic liquid nitrogen tank 3, observed liquid nitrogen liquid level comparatively tranquil, and thought to add that to let out valve 7 heat exchange basicly stable;
(4) chassis 1 and shaking table are fastenedly connected, open stop valve 5 and connect rubber hose and carry out airtight inspection;
(5) adopt space flight Xi Er MPA408 Low Frequency Electrodynamic Vibration Shaker, on chassis 1, install and control acceleration transducer, inputted vibration condition on request, unlatching shaking table adds lets out valve low temperature vibration test.
The unspecified part of the utility model belongs to general knowledge as well known to those skilled in the art.
Claims (4)
1. carrier rocket is let out a valve low temperature vibration testing device with adding, and it is characterized in that: comprise chassis (1), heat-insulating block (2), adiabatic liquid nitrogen tank (3), upper cover (4), hand valve (5), leak detection tool equipment (6), base (8), base gib screw (9), heat-insulating block gib screw (10) and thermal insulation material (11);
It is upper that adiabatic liquid nitrogen tank (3) is arranged on chassis (1), and heat-insulating block (2) and thermal insulation material (11) are installed between the bottom of adiabatic liquid nitrogen tank (3) and chassis (1), and upper cover (4) is installed at the top of adiabatic liquid nitrogen tank (3); It is inner and fixing by base gib screw (9) with chassis (1) that base (8) is placed in adiabatic liquid nitrogen tank (3); Base (8) is let out valve (7) outlet and is connected with adding, and adds the entrance of letting out valve (7), by leak detection tool equipment (6), metal hose is installed, and metal hose is through upper cover (4) connection hand valve (5); Chassis (1) is connected with shaking table.
2. a kind of carrier rocket according to claim 1 is let out valve low temperature vibration testing device with adding, it is characterized in that: described chassis (1) 6 mount pads of upper process (12), a heat-insulating block (2) is installed on each mount pad, and chassis (1) top is removed heat-insulating block (2) and is partially filled thermal insulation material (11).
3. a kind of carrier rocket according to claim 1 and 2 is let out valve low temperature vibration testing device with adding, and it is characterized in that: described thermal insulation material (11) adopts isocyanurate foam, and heat-insulating block (2) material adopts glass reinforced polyether ether ketone.
4. a kind of carrier rocket according to claim 2 is let out valve low temperature vibration testing device with adding, and it is characterized in that: described mount pad (12) is along chassis circumference uniform distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320728035.8U CN203616084U (en) | 2013-11-18 | 2013-11-18 | Fill and relief valve low temperature vibration test device for carrier rocket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320728035.8U CN203616084U (en) | 2013-11-18 | 2013-11-18 | Fill and relief valve low temperature vibration test device for carrier rocket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203616084U true CN203616084U (en) | 2014-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320728035.8U Expired - Lifetime CN203616084U (en) | 2013-11-18 | 2013-11-18 | Fill and relief valve low temperature vibration test device for carrier rocket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203616084U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104897493A (en) * | 2014-11-26 | 2015-09-09 | 天津航天瑞莱科技有限公司苏州分公司 | Low-temperature pressure cycle life testing method and system |
| CN106567992A (en) * | 2016-11-03 | 2017-04-19 | 北京航天试验技术研究所 | Oxy-hydrogen rocket liquid hydrogen storage box replacement method |
| 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 |
| CN110146278A (en) * | 2019-05-17 | 2019-08-20 | 浙江大学 | A kind of valve coupled vibrations test device and test method |
-
2013
- 2013-11-18 CN CN201320728035.8U patent/CN203616084U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104897493A (en) * | 2014-11-26 | 2015-09-09 | 天津航天瑞莱科技有限公司苏州分公司 | Low-temperature pressure cycle life testing method and system |
| CN106567992A (en) * | 2016-11-03 | 2017-04-19 | 北京航天试验技术研究所 | Oxy-hydrogen rocket liquid hydrogen storage box replacement method |
| CN106567992B (en) * | 2016-11-03 | 2020-08-28 | 北京航天试验技术研究所 | Replacement method for hydrogen and oxygen rocket liquid hydrogen storage tank |
| 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 |
| CN110146278A (en) * | 2019-05-17 | 2019-08-20 | 浙江大学 | A kind of valve coupled vibrations test device and test method |
| CN110146278B (en) * | 2019-05-17 | 2020-03-24 | 浙江大学 | Valve coupling vibration testing device and testing method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140528 |