CN102980738B - Cabin door opening device for hypersonic velocity wind tunnel experiment cabin - Google Patents
Cabin door opening device for hypersonic velocity wind tunnel experiment cabin Download PDFInfo
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- CN102980738B CN102980738B CN201210583861.8A CN201210583861A CN102980738B CN 102980738 B CN102980738 B CN 102980738B CN 201210583861 A CN201210583861 A CN 201210583861A CN 102980738 B CN102980738 B CN 102980738B
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Abstract
The invention discloses a cabin door opening device for a hypersonic velocity wind tunnel experiment cabin, which is suitable for opening or closing a cabin door of a wind tunnel experiment cabin. The cabin door is a circular arc-shaped turnover cover, of which the circle center of the arc is positioned on the axial center line of a cabin body of the experiment cabin when the wind tunnel experiment cabin is in a closed state; the cabin door opening device for the hypersonic velocity wind tunnel experiment cabin comprises an elastic push-pull rod; one end of the elastic push-pull rod is connected with the circular arc-shaped turnover cover by a hinge; the other end of the elastic push-pull rod is connected with a rotating arm by a hinge; and the rotating arm is connected with a power driving mechanism by a rotating arm shaft. According to the invention, the elastic push-pull rod is respectively connected with the circular arc-shaped turnover cover and the rotating arm connected with the power driving mechanism, so that an actuating mechanism is provided for opening and closing the arc turnover cover; and the arc turnover cover adopted in the invention provides an access with a wide opening angle and a large space for the experiment cabin, so that a large-scaled experiment module conveniently gets in and out of the experiment cabin, experiment efficiency of a wind tunnel experiment of the large-scaled experiment module is improved and labor intensity in the process of the wind tunnel experiment is reduced.
Description
Technical field
The present invention relates to wind tunnel experiment field, especially, relate to a kind of hypersonic wind tunnel experiment module hatch door opening device being applied to wind tunnel experiment.
Background technology
Wind tunnel experiment is the principle of relativity according to motion, empirical model or material object is fixed in ground artificial environment, and the artificial air-flow that manufactures passes through, and to simulate aerial various state of flight, obtains experimental data.Wind tunnel experiment is widely used in the model experiment of guided missile, hypersonic aircraft, sky and space plane, is very important ground-testing plant in aerospace field.Hypersonic wind tunnel generally comprises well heater, jet pipe, Laboratory Module, diffuser, injector (or vacuum tank), air supply system, control system etc., Laboratory Module is the place of empirical model, be the vitals of wind-tunnel, the needs of different experiments model, experimental duties be met.
Laboratory Module upstream is connected with jet pipe, and downstream is connected with diffuser, and wind tunnel experiment is positioned in Laboratory Module by empirical model to carry out corresponding experiment.Laboratory Module need meet the basic demand of the following aspects:
1), the aeroperformance of Laboratory Module is good, and aerodynamic performance requires, to guarantee startability and the experimental performance of hypersonic wind tunnel;
2), Laboratory Module has enough spaces, and after ensureing that large-sized empirical model enters cabin body, remaining space still can meet the requirement of experiment Reynolds number and geometric modelling accuracy;
3), impermeability is good, and during experiment, in Laboratory Module, pressure, generally close to vacuum, but also has normal pressure when there are special circumstances, can not occur Leakage Gas phenomenon, otherwise affects the pneumatic and experimental performance of wind-tunnel, and therefore, the impermeability of Laboratory Module will be got well;
4), structure and rigidity high, due in process of the test, no matter be under vacuum condition or positive pressure, for preventing Laboratory Module cabin body stress deformation, selected cabin body needs to bear the pressure of corresponding air pressure, and can not be out of shape or destroy;
5), pass in and out conveniently, in wind tunnel experiment, department pattern needs to be arranged in Laboratory Module or needs the attitude of further adjustment model.Now, associative operation personnel just need to enter in Laboratory Module.Therefore, can model or operating personnel pass in and out the important indicator that Laboratory Module also becomes test Laboratory Module easily;
6), data acquisition is convenient, under different experimental conditions, and the requirement of the measurement of Laboratory Module demand fulfillment, data acquisition, Flow visualisation.
Laboratory Module in existing wind-tunnel facilities, as shown in Figure 1, the upstream of Laboratory Module 1 is connected with jet pipe 2 its basic schematic diagram, and downstream is connected with diffuser 3, and empirical model 4 is placed in the outlet of jet pipe 2 and is positioned at the center of Laboratory Module 1.For the configuration design in wind tunnel experiment cabin, generally there are two kinds, i.e. square Laboratory Module and circular Laboratory Module.Square Laboratory Module and circular Laboratory Module respectively have relative merits, and the Laboratory Module of this two type all used in wind-tunnel facilities, no longer discussed in detail here.
The requirement of cabin body is passed in and out in order to meet empirical model and operating personnel, traditional Laboratory Module is generally all provided with hatch door on side, concrete structure as shown in Figures 2 and 3, comprise the major parts such as Laboratory Module cabin body 10, hatch door 20 ', support member 30, hatch door 20 ' is generally all opened in the side of Laboratory Module cabin body 10, and the size of hatch door 20 ' is different according to the size of empirical model.When processing large-sized empirical model, the size of hatch door 20 ' is also larger.Hatch door 20 ' the quality of Laboratory Module is all comparatively large, from tens kilograms to hundreds of kilogram, and even several tons.
When large-scale empirical model carries out wind tunnel experiment, because the size of empirical model is large, quality is large, turnover Laboratory Module 1 will be very difficult, and empirical model also needs in Laboratory Module 1 inside to install, adjust position, experimenter, instrument and equipment, operation tool etc. all need to pass in and out Laboratory Module 1 simultaneously, and due to the limited space of hatch door 20 ', Laboratory Module 1 is by very inconvenient experiment and operation, and the labour intensity of operating personnel is large, conventional efficient is low.For this reason, need a kind of novel hatch door of design and the hypersonic wind tunnel experiment module hatch door opening device for opening this novel hatch door badly, to meet the demand of large-scale experiment model being carried out to wind tunnel experiment.
Summary of the invention
The object of the invention is to provide a kind of hypersonic wind tunnel experiment module hatch door opening device, in wind tunnel experiment, opening and closing operations is carried out to the hatch door in wind tunnel experiment cabin, the technical matters limited with the open space solving wind tunnel experiment cabin, conventional efficient is low and manipulation strength is large.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of hypersonic wind tunnel experiment module hatch door opening device, be applicable to the hatch door of opening or closing wind tunnel experiment cabin, hatch door is that the wind tunnel experiment cabin circular arc that the circular arc center of circle is positioned on the body longitudinal center line of Laboratory Module cabin is in closed state renovated, hypersonic wind tunnel experiment module hatch door opening device comprises elasticity pull bar, one end of elasticity pull bar is connected with circular arc cover-turning hinge, elasticity pull bar other end chain connection has a pivot arm, and pivot arm is connected with power-driven mechanism through rotary arm shaft.
Further, elasticity pull bar comprises sleeve, sleeve is built-in with a spring, the one end being positioned at the spring of barrel bore is connected with the motion bar that extends sleeve outside, motion bar can move vertically in sleeve, and the other end of spring is connected with a rotating handle, and the inwall of rotating handle and sleeve is connected together and extends sleeve outside, one end that motion bar extends sleeve outside is connected with circular arc cover-turning hinge, and rotating handle extends one end and the pivot arm chain connection of sleeve outside.
Further, motion bar is provided with the first protuberance in the one end being positioned at sleeve, and sleeve is provided with the second protuberance at corresponding axial end portion, and the first protuberance coordinates to stop motion bar entirety to skid off sleeve outside vertically with the second protuberance.
Further, the inwall of rotating handle and sleeve is connected together by screw thread.
Further, pivot arm comprises plate-girder, and the circle that one end of plate-girder is provided with for being connected with rotary arm shaft overlaps, and the other end of plate-girder is connected with the side plate arranged in pairs, and running through between the side plate arranged in pairs has pull rod shaft, pull rod shaft and elasticity pull bar chain connection.
Further, the reinforcement for strengthening the two strength of joint is also provided with between circle cover and plate-girder.
Further, the width of pivot arm narrows along the one end be connected with rotary arm shaft gradually to the one end be connected with elasticity pull bar.
Further, power-driven mechanism comprises the motor for providing power source, the output shaft of motor through a reducing gear by power transmission to rotary arm shaft.
Further, reducing gear is gear reducer or worm type of reduction gearing.
Further, hypersonic wind tunnel experiment module hatch door opening device also comprises a support bracket, and power-driven mechanism is fixed on support bracket.
The present invention has following beneficial effect:
Hypersonic wind tunnel experiment module hatch door opening device of the present invention, renovated with circular arc respectively by an elasticity pull bar and be connected with the pivot arm being connected with power-driven mechanism, thus renovate provide topworks for opening and closing circular arc, and the circular arc adopted in the present invention is renovated as Laboratory Module provides the gateway that opening angle is wide, spatial degrees is large, pass in and out in Laboratory Module to facilitate large-scale experiment model, thus improve the conventional efficient of large-scale experiment model wind tunnel experiment, reduce the labour intensity in wind tunnel experiment process.
Further, in hypersonic wind tunnel experiment module hatch door opening device of the present invention, adopt elasticity pull bar, in experimentation, when pressure raises suddenly in Laboratory Module, pressure release can be carried out to the gases at high pressure in Laboratory Module, to ensure the safety of this hatch door opening device.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the cross-sectional view of wind-tunnel Laboratory Module in prior art;
Fig. 2 is the schematic front view of wind-tunnel Laboratory Module in prior art;
Fig. 3 is the side schematic view of Fig. 2;
Fig. 4 is the hatch door principle schematic of wind-tunnel Laboratory Module in the preferred embodiment of the present invention;
Fig. 5 is the principle schematic that in Fig. 4, hatch door is in open mode;
Fig. 6 is the view that in the preferred embodiment of the present invention, circular arc renovates the Laboratory Module after opening;
Fig. 7 is that in the preferred embodiment of the present invention, hypersonic wind tunnel experiment module hatch door opening device opens the view that circular arc renovates;
Fig. 8 is the side schematic view of Fig. 7;
Fig. 9 is the perspective view of hypersonic wind tunnel experiment module hatch door opening device in the preferred embodiment of the present invention;
Figure 10 is the side schematic view of Fig. 9;
Figure 11 is the structural representation of preferred embodiment of the present invention Elastic pull bar;
Figure 12 is the diagrammatic cross-section of Figure 11;
Figure 13 is the structural representation of pivot arm in the preferred embodiment of the present invention;
Figure 14 is the side schematic view of Figure 13.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the present invention can be defined by the claims and cover multitude of different ways to be implemented.
Existing wind tunnel experiment cabin, because hatch door adopts the design being opened in the side of cabin, wind tunnel experiment cabin body, therefore the unlatching limited space of hatch door, particularly when carrying out wind tunnel experiment to large-scale empirical model, corresponding increase is needed to be opened in the size of the hatch door of cabin, wind tunnel experiment cabin body side surface, and due to hatch door open wide limited space, to be an impediment to the placement of empirical model and further the spatial attitude of empirical model be adjusted, and then have impact on the conventional efficient of wind tunnel experiment, increase the labour intensity of operating personnel.
The door design of one aspect of the present invention to existing wind tunnel experiment cabin is improved, concrete with reference to Fig. 4, Laboratory Module cabin body 10 cross section is longitudinally circular, cut open along the diameter of a circle AB shown in Fig. 4 and be divided into two semi-circular portions, the Laboratory Module cabin body 10 respectively in formation the present embodiment and circular arc renovate 20.Circular arc renovates the novel hatch door that 20 are the present invention's design, and it is flexibly connected with Laboratory Module cabin body 10, thinks that Laboratory Module cabin body 10 provides larger open space.Certainly, it will be appreciated by those skilled in the art that, circular arc renovates the arc angle α of 20 and not necessarily is 180 °, preferably, the scope of arc angle α can change between 60 ° to 210 °, as long as meet circular arc to renovate 20 and form a complete circle in closed state with Laboratory Module cabin body 10, namely in closed state, the circular arc center of circle that circular arc renovates 20 is positioned on Laboratory Module cabin body 10 center line vertically.Like this, being flexibly connected with Laboratory Module cabin body 10 as long as circular arc to be renovated 20, namely renovating the larger discrepancy space of 20 acquisitions (with reference to Fig. 5) by opening circular arc.With reference to Fig. 6, circular arc as hatch door renovates 20 by renovating loose-leaf 21 and Laboratory Module cabin body 10 chain connection, circular arc renovate 20 external force by under be opened after, Laboratory Module cabin body 10 defines open wide and spend large, activity space opening freely, pass in and out Laboratory Module cabin body 10 to facilitate the lifting of empirical model, mounting and adjusting and other instrument and equipments or operating personnel.
The present invention additionally provides a kind of for opening the hypersonic wind tunnel experiment module hatch door opening device that circular arc renovates 20 on the other hand.Renovate 20 more traditional hatch doors due to circular arc to compare, size and quality are all larger, the diameter that the circular arc of large-scale propulsion wind tunnel Laboratory Module renovates 20 can reach 1-2 rice, length reaches 2-3 rice, weight to several tons, therefore needs to design a kind of hypersonic wind tunnel experiment module hatch door opening device and renovates 20 with safety, reliable and stable opening and closing circular arc.
With reference to Fig. 7, circular arc is renovated between 20 and Laboratory Module cabin body 10 through renovating loose-leaf 21 active link, circular arc is renovated 20 and can be opened under the effect of hypersonic wind tunnel experiment module hatch door opening device 40, thus renovates the gateway being formed with between 20 and passing in and out for empirical model and operating personnel at Laboratory Module cabin body 10 and circular arc.Fig. 8 is the side schematic view of Fig. 7.Hypersonic wind tunnel experiment module hatch door opening device 40 can ensure that circular arc renovates 20 reliable, stable unlatchings or closedown.
With reference to Fig. 9 and Figure 10, hypersonic wind tunnel experiment module hatch door opening device 40 specifically comprises elasticity pull bar 42,20 chain connections are renovated through cabin body hinge 41 and circular arc in one end of elasticity pull bar 42, the other end of elasticity pull bar 42 has pivot arm 44 through pull rod shaft 43 chain connection, and pivot arm 44 is connected with the power-driven mechanism driving pivot arm to rotate through rotary arm shaft 48.
In embodiments of the present invention, power-driven mechanism specifically comprises the motor 46 providing power source, and motor 46 is connected with reducing gear to provide suitable driving force, and reducing gear is specially gear reducer 45 or worm type of reduction gearing.
Wherein, motor 46 and gear reducer 45 are all placed on support bracket 47, and support bracket 47 and ground are fixed, to be used for bearing the acting force produced in hypersonic wind tunnel experiment module hatch door opening device 40 course of work.
The specific works process of hypersonic wind tunnel experiment module hatch door opening device 40 of the present invention is as follows:
Open motor 46, the power conversion exported by motor 46 by gear reducer 45 is satisfactory power, and namely by the object reaching and increase output torque of slowing down, thus the final circular arc promoting quality heavy renovates 20.The output terminal of gear reducer 45 rotates through rotary arm shaft 48 driven rotary arm 44, pivot arm 44 is with dynamic elasticity pull bar 42 displacement to the right by the pull rod shaft 43 be attached thereto, elasticity pull bar 42 drives circular arc to renovate 20 through cabin body hinge 41 again to rotate around renovating loose-leaf 21, thus circular arc is renovated 20 opens.
With reference to Figure 11 and Figure 12, in the specific embodiment of the invention, elasticity pull bar 42 comprises sleeve 422, sleeve 422 is built-in with a spring 423, the one end being positioned at the spring 423 of sleeve 422 inner chamber is connected with the motion bar 421 that extends sleeve 422 outside, motion bar 421 can move vertically in sleeve 422, the other end of spring 423 is connected with a rotating handle 424, rotating handle 424 and the inwall of sleeve 422 are connected together and extend sleeve 422 outside, one end that motion bar 421 extends sleeve 422 outside is provided with the first pilot hole 421a, to renovate 20 chain connections by the cooperation of cabin body hinge 41 and circular arc.One end that rotating handle 424 extends sleeve 422 outside is provided with the second pilot hole 424a, with pivot arm 44 chain connection.The present invention adopts the elasticity pull bar 42 of said structure, ensure that Laboratory Module and circular arc renovate the safety of 20.Because in wind tunnel operation process, if wind-tunnel can not start, in Laboratory Module, gas is built up at short notice in a large number, the instantaneous rising of air pressure in Laboratory Module, if the blowdown valve that Laboratory Module cabin body 10 is arranged has little time quick pressure releasing, then circular arc renovate 20 can automatically upwards open under the pressure effect of gas, the motion bar 42 promoting elasticity pull bar 42 extrudes the spring 423 be connected with motion bar 42 vertically in sleeve 422, to be released fast by the gas in Laboratory Module, thus ensure that the safe operation of hatch door opening device.
Preferably, with reference to Figure 12, motion bar 421 is provided with the first protuberance 421b in the one end being positioned at sleeve 422, sleeve 422 is provided with the second protuberance 422a at corresponding axial end portion, outside with coordinating to stop motion bar 421 entirety to skid off sleeve 422 vertically of the second protuberance 422a by the first protuberance 421b.Rotating handle 424 is connected together by screw thread 425 with the inwall of sleeve 422.
Preferably, with reference to Figure 13 and Figure 14, pivot arm 44 in the embodiment of the present invention comprises plate-girder 441, one end of plate-girder 441 is provided with the round cover 442 for being connected with rotary arm shaft 48, circle cover 442 is connected with locking by spline fitted between rotary arm shaft 48, the other end of plate-girder 441 is connected with the side plate 444 arranged in pairs, and running through between the side plate 444 arranged in pairs has pull rod shaft 43, pull rod shaft 43 and elasticity pull bar 42 chain connection.Such pivot arm 44 rotates and drives hinged elasticity pull bar 42 with it under the drive of rotary arm shaft 48.Wherein, plate-girder 441, side plate 444 and circle cover 442 are formed by welding assembly.
Preferably, in order to strengthen plate-girder 441 and circle cover 442 strength of joint between the two, between plate-girder 441 and circle cover 442, reinforcement 443 is also welded with.
Preferably, in order to ensure the bearing capacity of pivot arm 44 lower end, and alleviate the overall weight of pivot arm 44, pivot arm 44 is designed to the structure narrowed gradually to upper end from lower end, namely the width of pivot arm 44 narrows along the one end be connected with rotary arm shaft 48 gradually to the one end be connected with elasticity pull bar 42.
Hypersonic wind tunnel experiment module hatch door opening device 40 of the present invention, 20 and be connected with the pivot arm 44 being connected with power-driven mechanism are renovated respectively with circular arc by an elasticity pull bar 42, thus renovate 20 provide topworks for opening and closing circular arc, and the circular arc adopted in the present invention is renovated as Laboratory Module provides the gateway that opening angle is wide, spatial degrees is large, pass in and out in Laboratory Module to facilitate large-scale experiment model, thus improve the conventional efficient of large-scale experiment model wind tunnel experiment, reduce the labour intensity in wind tunnel experiment process.
Further, elasticity pull bar 42 is adopted, in experimentation, when pressure raises suddenly in Laboratory Module in hypersonic wind tunnel experiment module hatch door opening device of the present invention, pressure release can be carried out, to ensure the safe and reliable of hatch door opening device to the gases at high pressure in Laboratory Module.
Hatch door opening device of the present invention had both been applicable to hypersonic aloof wind tunnel experiment, was applicable to again supersonic wind tunnel experiment and the experiment of aloof propulsion wind tunnel.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a hypersonic wind tunnel experiment module hatch door opening device, be applicable to the hatch door of opening or closing wind tunnel experiment cabin, described hatch door is that the described wind tunnel experiment cabin circular arc that the circular arc center of circle is positioned on the body longitudinal center line of Laboratory Module cabin is in closed state renovated (20), it is characterized in that:
Described hypersonic wind tunnel experiment module hatch door opening device (40) comprises elasticity pull bar (42), one end and the described circular arc of described elasticity pull bar (42) renovate (20) chain connection, the other end chain connection of described elasticity pull bar (42) has a pivot arm (44), and described pivot arm (44) is connected with power-driven mechanism through rotary arm shaft (48);
Described elasticity pull bar (42) comprises sleeve (422), described sleeve (422) is built-in with a spring (423), the one end being positioned at the described spring (423) of described sleeve (422) inner chamber is connected with one and extends the outside motion bar (421) of described sleeve (422), described motion bar (421) can move vertically in described sleeve (422), the other end of described spring (423) is connected with a rotating handle (424), described rotating handle (424) and the inwall of described sleeve (422) are connected together and extend described sleeve (422) outside, described motion bar (421) extends the outside one end of described sleeve (422) and described circular arc renovates (20) chain connection, described rotating handle (424) extends the outside one end of described sleeve (422) and described pivot arm (44) chain connection.
2. hypersonic wind tunnel experiment module hatch door opening device according to claim 1, is characterized in that:
Described motion bar (421) is provided with the first protuberance (421b) in the one end being positioned at described sleeve (422), described sleeve (422) is provided with the second protuberance (422a) at corresponding axial end portion, and described first protuberance (421b) coordinates to stop described motion bar (421) entirety to skid off described sleeve (422) vertically with described second protuberance (422a) outside.
3. hypersonic wind tunnel experiment module hatch door opening device according to claim 1, is characterized in that:
Described rotating handle (424) is connected together by screw thread (425) with the inwall of described sleeve (422).
4. hypersonic wind tunnel experiment module hatch door opening device according to claim 1, is characterized in that:
Described pivot arm (44) comprises plate-girder (441), the circle that one end of described plate-girder (441) is provided with for being connected with described rotary arm shaft (48) overlaps (442), the other end of described plate-girder (441) is connected with the side plate (444) arranged in pairs, run through between the described side plate (444) of paired setting and have pull rod shaft (43), described pull rod shaft (43) and described elasticity pull bar (42) chain connection.
5. hypersonic wind tunnel experiment module hatch door opening device according to claim 4, is characterized in that:
The reinforcement (443) for strengthening the two strength of joint is also provided with between described circle cover (442) and described plate-girder (441).
6. hypersonic wind tunnel experiment module hatch door opening device according to claim 1, is characterized in that:
The width of described pivot arm (44) narrows along the one end be connected with described rotary arm shaft (48) gradually to the one end be connected with described elasticity pull bar (42).
7. hypersonic wind tunnel experiment module hatch door opening device according to claim 1, is characterized in that:
Described power-driven mechanism comprises the motor (46) for providing power source, and power transmission is given described rotary arm shaft (48) through a reducing gear by the output shaft of described motor (46).
8. hypersonic wind tunnel experiment module hatch door opening device according to claim 7, is characterized in that:
Described reducing gear is gear reducer (45) or worm type of reduction gearing.
9. hypersonic wind tunnel experiment module hatch door opening device according to claim 1, is characterized in that:
Described hypersonic wind tunnel experiment module hatch door opening device (40) also comprises a support bracket (47), and described power-driven mechanism is fixed on described support bracket (47).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210583861.8A CN102980738B (en) | 2012-12-28 | 2012-12-28 | Cabin door opening device for hypersonic velocity wind tunnel experiment cabin |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210583861.8A CN102980738B (en) | 2012-12-28 | 2012-12-28 | Cabin door opening device for hypersonic velocity wind tunnel experiment cabin |
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| CN102980738A CN102980738A (en) | 2013-03-20 |
| CN102980738B true CN102980738B (en) | 2015-01-14 |
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| CN201210583861.8A Expired - Fee Related CN102980738B (en) | 2012-12-28 | 2012-12-28 | Cabin door opening device for hypersonic velocity wind tunnel experiment cabin |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487230B (en) * | 2013-09-24 | 2015-12-23 | 北京航天益森风洞工程技术有限公司 | A kind of side door device of high vacuum test chamber |
| CN103674475B (en) * | 2013-12-23 | 2016-05-25 | 中国航空工业集团公司沈阳飞机设计研究所 | For the hatch door operating mechanism of full machine wind tunnel experiment |
| CN105758615B (en) * | 2013-12-23 | 2018-04-10 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of landing gear compartment gate operator for model aircraft |
| CN105699047B (en) * | 2013-12-23 | 2018-03-27 | 沈阳旋飞航空技术有限公司 | Hatch door operating mechanism for model aircraft |
| CN108414285A (en) * | 2017-12-08 | 2018-08-17 | 孙江花 | A kind of floating matter collection device of water pollution detection |
| CN109612677B (en) * | 2018-12-13 | 2020-08-14 | 北京航天益森风洞工程技术有限公司 | Air port replacing device of automobile environment wind tunnel |
| CN112525475B (en) * | 2020-11-30 | 2023-01-13 | 中国航空工业集团公司哈尔滨空气动力研究所 | Rotatable guiding device for moving large-scale section |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2473611Y (en) * | 2001-03-29 | 2002-01-23 | 中国科学院寒区旱区环境与工程研究所 | Cover board opening device for wind tunnel chamber |
| CN202131870U (en) * | 2011-06-09 | 2012-02-01 | 中国人民解放军国防科学技术大学 | Double-shaft hinge and high-speed wind tunnel experiment capsule provided with same |
| CN102452475A (en) * | 2010-10-29 | 2012-05-16 | 中国商用飞机有限责任公司 | Arresting device for cabin door of airplane |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3409083B2 (en) * | 2001-05-11 | 2003-05-19 | 独立行政法人航空宇宙技術研究所 | Free jet hypersonic wind tunnel test equipment |
| KR101134981B1 (en) * | 2009-07-17 | 2012-04-09 | 태창엔이티 주식회사 | A appratus for wind tunnel testing of wind power generator with large size blade |
-
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2473611Y (en) * | 2001-03-29 | 2002-01-23 | 中国科学院寒区旱区环境与工程研究所 | Cover board opening device for wind tunnel chamber |
| CN102452475A (en) * | 2010-10-29 | 2012-05-16 | 中国商用飞机有限责任公司 | Arresting device for cabin door of airplane |
| CN202131870U (en) * | 2011-06-09 | 2012-02-01 | 中国人民解放军国防科学技术大学 | Double-shaft hinge and high-speed wind tunnel experiment capsule provided with same |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2002-340733A 2002.11.27 * |
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