CN113640125B - Negative pressure pneumatic load static strength test device for aircraft radome - Google Patents
Negative pressure pneumatic load static strength test device for aircraft radome Download PDFInfo
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- CN113640125B CN113640125B CN202110978446.1A CN202110978446A CN113640125B CN 113640125 B CN113640125 B CN 113640125B CN 202110978446 A CN202110978446 A CN 202110978446A CN 113640125 B CN113640125 B CN 113640125B
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- 238000012360 testing method Methods 0.000 title claims abstract description 108
- 230000003068 static effect Effects 0.000 title claims abstract description 18
- 230000005291 magnetic effect Effects 0.000 claims description 16
- 230000005294 ferromagnetic effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000000926 separation method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a negative pressure pneumatic load static strength test device for an aircraft radome, which relates to the technical field of aircraft structure test device design and comprises a load measuring part, a mounting seat and a test part fixedly connected to the upper end of the mounting seat, wherein the outer surface of the test part is wrapped with a connecting cover, a top block and a plurality of tension blocks are fixedly paved on the outer surface of the connecting cover, a fixing assembly is connected between two adjacent tension blocks, fixing parts I are fixedly connected to the centers of the top block and the tension blocks, and fixing parts II matched with the fixing parts I are fixedly connected to the load measuring part. According to the invention, two adjacent tension blocks are connected through the fixing assembly, and the plurality of tension blocks are fixed or separated by the fixing assembly, so that the negative pressure suction load resistance of the test piece in different areas can be conveniently tested, the test flexibility is good, and the test requirement can be better met.
Description
Technical Field
The invention relates to the technical field of design of aircraft structure test devices, in particular to a negative pressure pneumatic load static strength test device for an aircraft radome.
Background
The aircraft is required to be provided with various transmitting and receiving antennas which are matched with the aircraft, the antenna housing is necessarily designed by considering the protection of the antennas in the structural design process of the aircraft, the antennas and the antenna housing protrude outside the aircraft body, under certain flight states, negative pressure suction load can be generated on the outer surface of the antenna housing due to the action of pneumatic load, the negative pressure intensity of the outer surface of the antenna housing is multiplied by a certain safety coefficient and then exceeds one atmosphere, and in order to ensure that the intensity of the antenna housing reaches the actual requirement, the intensity of the antenna housing is required to be tested.
The negative pressure pneumatic load static strength test device for the aircraft radome in the prior art generally applies a tensile force to the radome by adopting a specific structure so as to realize the simultaneous examination of the aircraft radome and the antenna, but the negative pressure pneumatic load static strength test device for the aircraft radome in the prior art generally only can test the area with the fixed size of the radome, and is inconvenient and flexible to test the negative pressure suction load resistance of the area with different sizes on the radome, so that the limitation is larger, and therefore, the negative pressure pneumatic load static strength test device for the aircraft radome is disclosed to improve the problems.
Disclosure of Invention
The invention provides a negative pressure pneumatic load static strength test device for an aircraft radome, which solves the problems in the background art, and the device is characterized in that two adjacent tension blocks are connected through a fixing assembly, and the plurality of tension blocks are fixed or separated by the fixing assembly, so that the negative pressure suction load resistance of the test piece in different size areas can be conveniently tested, the test flexibility is good, and the test requirement can be better met.
In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides an aircraft radome negative pressure pneumatic load static strength test device, includes load measurement spare, mount pad and fixed connection in the test piece of mount pad upper end, the surface parcel of test piece has the junction box, the fixed roof block and a plurality of pulling force piece of having laid of surface of junction box, the roof block is located on the top surface of junction box, a plurality of pulling force piece evenly distributed in on the side surface of junction box, adjacent two be connected with fixed subassembly between the pulling force piece, the pulling force piece with equally be connected with fixed subassembly between the roof block, roof block and a plurality of equal fixedly connected with mounting of center department of pulling force piece first, fixedly connected with on the load measurement spare with mounting second of mounting first looks adaptation.
By means of the structure, through the arrangement of the plurality of tension blocks, negative pressure resistant suction load testing is conveniently carried out on different local areas of the test piece, in addition, two adjacent tension blocks are connected through the fixing assembly, the plurality of tension blocks are fixed or separated through the fixing assembly, so that negative pressure resistant suction load of the test piece in different size areas can be conveniently tested, testing flexibility is good, and test requirements are better met.
Preferably, the fixing component comprises an inserting block and an operating piece, a sliding groove is formed in one side end of the pulling block, the inserting block is slidably connected in the sliding groove, the operating piece is connected between the inserting block and the pulling block, a slot matched with the inserting block is formed in the other side end of the pulling block, and a slot matched with the inserting block is formed in the lower side end of the top block.
Further, the insert block on one tension block slides along the sliding groove to be inserted into the slot on the other tension block, so that the fixation between two adjacent tension blocks is realized, the insert block on one tension block is moved out of the slot on the other tension block, the separation between the two adjacent tension blocks is realized, and when the negative pressure suction load resistance test is carried out on the local area of the test piece, the mutual fixation effect between the tension blocks which do not need to participate in the test is realized, so that the interference to the test area where the tension blocks which participate in the test are located is not easy to occur.
Preferably, the operation piece comprises a shifting block, an operation port communicated with the sliding groove is formed in the end face, away from the connecting cover, of the pulling block, and the shifting block is fixedly connected to the side end of the insertion block and penetrates through the operation port.
Further, an operator can drive the insert block on one tension block to insert or remove from the slot on the other tension block by pulling the dial block.
Preferably, the insert block is a ferromagnetic block, and the inner wall of the slot screen is fixedly connected with a first magnetic attraction block matched with the insert block.
Further, after the inserting block on one tension block is inserted into the inserting groove on the other tension block, the inserting block can be stably positioned in the inserting groove under the action of the first magnetic attraction block, and is not easy to move out of the inserting groove under the non-artificial action, so that the fixing effect of two adjacent tension blocks is better.
Preferably, the inner wall of the chute is fixedly connected with a second magnetic block matched with the insertion block.
Further, after the insert block on one tension block moves out of the slot on the other tension block, the insert block can be stably positioned in the chute under the action of the second magnetic attraction block, and is not easy to move out of the chute under the non-artificial action, so that interference is not easy to be caused to a test area where the tension block participating in the test is positioned.
Preferably, the load measuring part comprises a load sensor, a wire binding post and a plurality of pull ropes, wherein the upper ends of the wire binding posts are fixedly connected to the measuring ends of the load sensor through connecting ropes, one ends of the pull ropes are fixedly connected with the lower ends of the wire binding post, a plurality of fixing parts II are arranged, and the fixing parts II are fixedly connected to the other ends of the pull ropes respectively.
Further, when testing the great region, especially when testing the irregular great region, be connected through the mounting second of its lower extreme and the mounting on a plurality of pulling force piece respectively with a plurality of stay ropes for the test is more stable, also makes things convenient for the decentralized test simultaneously.
Preferably, the first fixing piece comprises a fixing ring, and the second fixing piece comprises a hook matched with the fixing ring.
Further, compared with the prior art that the steel wire rope is directly fixed with the fixed ring, the hook is matched with the fixed ring, so that the fixing and separating operation are convenient, and the use is more convenient.
Preferably, the side end of the wire harness post is fixedly connected with a plurality of hanging rings, and the hanging rings are matched with the hooks.
Further, the hooks which do not participate in connecting the fixing ring can be hung on the hanging ring at the side end of the wire harness column, so that a good storage effect can be achieved on one hand, and on the other hand, the fact that redundant hooks are hung on the fixing ring at the position of the area which does not participate in testing in an externally hung mode can be avoided, and interference is caused to testing.
In summary, the invention has the technical effects and advantages that:
1. according to the invention, through the arrangement of the plurality of tension blocks, the negative pressure suction load resistance test is conveniently carried out on different local areas of the test piece, in addition, two adjacent tension blocks are connected through the fixing assembly, and the plurality of tension blocks are fixed or separated by the fixing assembly, so that the negative pressure suction load resistance test of the test piece in the areas with different sizes is conveniently tested, the test flexibility is good, and the test requirement is better met.
2. According to the invention, when the negative pressure suction load resistance test is carried out on the local area of the test piece, the mutual fixing effect between the plurality of tension blocks participating in the test is not needed, so that the interference to the test area where the tension blocks participating in the test are located is not easy to occur, the insert block can be stably positioned in the slot under the action of the first magnetic block, and is not easy to move out of the slot under the non-artificial action, so that the fixing effect of two adjacent tension blocks is better.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a static strength test device for negative pressure pneumatic load of an aircraft radome in the present embodiment;
FIG. 2 is a partially exploded view of the present embodiment;
FIG. 3 is a schematic perspective view of the test block according to the present embodiment;
FIG. 4 is a schematic perspective view of the test block according to another embodiment;
FIG. 5 is a schematic cross-sectional view of the test block according to the present embodiment;
fig. 6 is a schematic perspective view of the top block in the embodiment in a bottom view;
fig. 7 is a schematic perspective view of the load cell in this embodiment.
In the figure: 1. a mounting base; 2. a test piece; 3. a connection cover; 4. a tension block; 5. a top block; 6. a fixing ring; 7. a load sensor; 8. a pull rope; 9. a hook; 10. a connecting rope; 11. a wire harness post; 12. a chute; 13. a plug 14, an operation port; 15. a shifting block; 16. a slot; 17. a second magnetic block; 18. a first magnetic block; 19. hanging rings.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: referring to figures 1 and 2, the negative pressure pneumatic load static strength test device for the aircraft radome comprises a load measuring piece, a mounting seat 1 and a test piece 2 fixedly connected to the upper end of the mounting seat 1, wherein the test piece 2 is any cylindrical aircraft radome in the prior art.
The outer surface of the test piece 2 is wrapped with a connecting cover 3, and the connecting cover 3 can be a canvas bag.
The external surface fixation of connecting cover 3 has laid kicking block 5 and a plurality of pulling force piece 4, and the appearance is constituteed with the cover body form that test piece 2 is the same with a plurality of pulling force piece 4 to kicking block 5, and laminates mutually with test piece 2's surface through connecting cover 3, through the setting of a plurality of pulling force piece 4, conveniently carries out anti negative pressure suction load test to test piece 2 different local area.
The ejector block 5 is located on the top surface of the connecting cover 3, the plurality of tension blocks 4 are evenly distributed on the side surface of the connecting cover 3, a fixing component is connected between two adjacent tension blocks 4, the fixing component is also connected between the tension blocks 4 and the ejector block 5, and further description needs to be made that the fixing component comprises a plurality of structures, is not shown in fig. 1 and 2, but is shown in fig. 3, 4 and 5 in detail, the two adjacent tension blocks 4 are connected through the fixing component, and the plurality of tension blocks 4 are fixed or separated through the fixing component, so that the negative pressure suction load resistance of the test piece 2 in different size areas can be conveniently tested.
The center of the top block 5 and the center of the plurality of tension blocks 4 are fixedly connected with a first fixing piece, a second fixing piece matched with the first fixing piece is fixedly connected to the load measuring piece, and the second fixing piece on the load measuring piece is connected with the first fixing piece on the top block 5 or the tension blocks 4, so that the area of the test piece 2 where the top block 5 or the tension blocks 4 are located is subjected to the sexual test.
By means of the structure, through the arrangement of the plurality of tension blocks 4, negative pressure resistant suction load testing is conveniently carried out on different local areas of the test piece 2, in addition, two adjacent tension blocks 4 are connected through the fixing assembly, the plurality of tension blocks 4 are fixed or separated through the fixing assembly, so that negative pressure resistant suction loads of different size areas of the test piece 2 are conveniently tested, testing flexibility is good, and test requirements are better met.
As a preferred implementation manner of this embodiment, as shown in fig. 2, 3 and 4, the fixing assembly includes an insert 13 and an operating member, one side end of the pull block 4 is provided with a chute 12, the insert 13 is slidably connected in the chute 12, the operating member is connected between the insert 13 and the pull block 4, the other side end of the pull block 4 is provided with a slot 16 adapted to the insert 13, as shown in fig. 6, the lower side end of the top block 5 is also provided with a slot 16 adapted to the insert 13, the insert 13 on one pull block 4 slides along the chute 12 to be inserted into the slot 16 on the other pull block 4, so as to realize the fixation between two adjacent pull blocks 4, the insert 13 on one pull block 4 is moved out from the slot 16 on the other pull block 4, so as to realize the separation between the two adjacent pull blocks 4, and when the partial area of the test member 2 is tested against the negative pressure load, the mutual fixing effect between the plurality of pull blocks 4 does not need to be performed, thereby being difficult to cause interference to the test area where the pull blocks 4 participate in the test are located.
As a preferred implementation manner of this embodiment, as shown in fig. 2, 3 and 4, the operating member includes a shifting block 15, an end surface of the tension block 4 away from the connection cover 3 is provided with an operating opening 14 communicated with the chute 12, the shifting block 15 is fixedly connected to a side end of the inserting block 13 and penetrates through the operating opening 14, and an operator can drive the inserting block 13 on one tension block 4 to insert or remove from the inserting slot 16 on the other tension block 4 by shifting the shifting block 15.
As a preferred implementation of this embodiment, the insert 13 is a ferromagnetic block, such as a stainless steel block.
As shown in fig. 4, the inner wall of the screen of the slot 16 is fixedly connected with a first magnetic attraction block 18 which is matched with the insertion block 13, after the insertion block 13 on one tension block 4 is inserted into the slot 16 on the other tension block 4, the insertion block 13 can be stably positioned in the slot 16 under the action of the first magnetic attraction block 18, and is not easy to move out of the slot 16 under the non-artificial action, so that the fixing effect of two adjacent tension blocks 4 is better.
As a preferred embodiment of the present embodiment, as shown in fig. 4, the inner wall of the chute 12 is fixedly connected with a second magnetic block 17 adapted to the second magnetic block 13, and after the second magnetic block 17 moves out of the slot 16 on the other tension block 4, the second magnetic block 13 may be stably located in the chute 12, so that the second magnetic block 17 is not easy to move out of the chute 12 under the action of no personnel, thereby not easy to interfere with the test area where the tension block 4 participating in the test is located.
As a preferred implementation manner of this embodiment, as shown in fig. 1 and 7, the load measuring member includes a load sensor 7, a wire harness post 11 and a plurality of pull ropes 8, the upper end of the wire harness post 11 is fixedly connected to the measuring end of the load sensor 7 through a connecting rope 10, one ends of the plurality of pull ropes 8 are fixedly connected to the lower ends of the wire harness post 11, a plurality of fixing members two are provided, and a plurality of fixing members two are fixedly connected to the other ends of the plurality of pull ropes 8, when testing a larger area, especially when testing an irregular larger area, the plurality of pull ropes 8 are respectively connected with the fixing members one on the plurality of pull blocks 4 through the fixing members two at the lower ends of the plurality of pull ropes, so that the test is more stable, and meanwhile, the distributed test is also convenient.
As a preferred implementation manner of this embodiment, as shown in fig. 3, 4 and 7, the first fixing member includes a fixing ring 6, the second fixing member includes a hook 9 adapted to the fixing ring 6, and compared with the prior art in which the fixing ring 6 is directly fixed by a wire rope, the hook 9 is matched with the fixing ring 6, so that the fixing and separating operations are convenient, and the use is more convenient.
As a preferred implementation manner of this embodiment, as shown in fig. 7, the side end of the wire harness post 11 is fixedly connected with a plurality of hanging rings 19, and the hanging rings 19 are matched with the hanging rings 9, so that the hanging rings 9 which do not participate in connecting the fixing rings 6 can be hung on the hanging rings 19 at the side end of the wire harness post 11, on one hand, a better accommodating effect can be achieved, and on the other hand, the situation that the redundant hanging rings 9 are hung on the fixing rings 6 at the positions which do not participate in testing can be avoided, and interference is caused to testing.
The working principle of the invention is as follows:
the insert 13 on one tension block 4 is used for sliding along the sliding groove 12 to be inserted into the slot 16 on the other tension block 4, so that the fixation between two adjacent tension blocks 4 is realized, the tension blocks 4 are fixed in the same way, the test of different size areas is realized, the insert 13 on one tension block 4 is moved out of the slot 16 on the other tension block 4, the separation between the two adjacent tension blocks 4 is realized, the tension blocks 4 which do not need to participate in the test are fixed, the column shape of the test piece 2 can be used for fixing the tension blocks 4 which do not need to participate in the test, the interference is not easy to be caused to the test area where the tension blocks 4 participate in the test are located, and the fixed assembly is used for fixing or separating the tension blocks 4, so that the test piece 2 can conveniently test the negative pressure resistant suction load of the areas with different sizes, the test flexibility is good, and the test requirement is better met.
During testing, the hanging hook 9 on the load measuring piece is hung with the fixed ring 6 on the tension block 4, so that the area of the testing piece 2 where the tension block 4 is located is tested, compared with the prior art, the steel wire rope is directly fixed with the fixed ring 6, the hanging hook 9 is matched with the fixed ring 6, the fixing and separating operation is convenient, the use is more convenient, in the testing process, the hanging hook 9 which does not participate in connecting the fixed ring 6 is hung on the hanging ring 19 at the side end of the wire harness column 11, on one hand, the better containing effect can be achieved, on the other hand, the fact that the redundant hanging hook 9 is hung on the fixed ring 6 at the position which does not participate in testing can be avoided, and the interference is caused to the testing.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (7)
1. The utility model provides an aircraft radome negative pressure pneumatic load static strength test device, includes load measurement spare, mount pad (1) and fixed connection in test piece (2) of mount pad (1) upper end, its characterized in that: the outer surface of the test piece (2) is wrapped with a connecting cover (3), a top block (5) and a plurality of tension blocks (4) are fixedly paved on the outer surface of the connecting cover (3), the top block (5) is positioned on the top surface of the connecting cover (3), the tension blocks (4) are uniformly distributed on the side surface of the connecting cover (3), a fixing assembly is connected between two adjacent tension blocks (4), a fixing assembly is also connected between the tension blocks (4) and the top block (5), a fixing piece I is fixedly connected at the center of the top block (5) and the center of the tension blocks (4), and a fixing piece II matched with the fixing piece I is fixedly connected on the load measuring piece; the fixing assembly comprises an inserting block (13) and an operating piece, wherein a sliding groove (12) is formed in one side end of the pulling block (4), the inserting block (13) is slidably connected to the sliding groove (12), the operating piece is connected between the inserting block (13) and the pulling block (4), a slot (16) matched with the inserting block (13) is formed in the other side end of the pulling block (4), and a slot (16) matched with the inserting block (13) is formed in the lower side end of the top block (5) in the same way.
2. The aircraft radome negative pressure pneumatic load static strength test device of claim 1, wherein: the operation piece comprises a shifting block (15), an operation port (14) communicated with the sliding groove (12) is formed in the end face, far away from the connecting cover (3), of the pulling block (4), and the shifting block (15) is fixedly connected to the side end of the inserting block (13) and penetrates through the operation port (14).
3. The aircraft radome negative pressure pneumatic load static strength test device of claim 2, wherein: the inserting block (13) is a ferromagnetic block, and the inner wall of the screen of the slot (16) is fixedly connected with a first magnetic attraction block (18) which is matched with the inserting block (13).
4. An aircraft radome negative pressure pneumatic load static strength test device according to claim 3, wherein: the inner wall of the chute (12) is fixedly connected with a second magnetic block (17) which is matched with the inserting block (13).
5. The aircraft radome negative pressure pneumatic load static strength test device of claim 1, wherein: the load measuring piece comprises a load sensor (7), a wire harness column (11) and a plurality of pull ropes (8), wherein the upper ends of the wire harness column (11) are fixedly connected to the measuring ends of the load sensor (7) through connecting ropes (10), one ends of the pull ropes (8) are fixedly connected with the lower ends of the wire harness column (11), a plurality of fixing pieces II are arranged, and the fixing pieces II are fixedly connected to the other ends of the pull ropes (8).
6. The aircraft radome negative pressure pneumatic load static strength test device of claim 5, wherein: the first fixing piece comprises a fixing ring (6), and the second fixing piece comprises a hook (9) matched with the fixing ring (6).
7. The aircraft radome negative pressure pneumatic load static strength test device of claim 6, wherein: the side end of the wire binding post (11) is fixedly connected with a plurality of hanging rings (19), and the hanging rings (19) are matched with the hooks (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110978446.1A CN113640125B (en) | 2021-08-24 | 2021-08-24 | Negative pressure pneumatic load static strength test device for aircraft radome |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110978446.1A CN113640125B (en) | 2021-08-24 | 2021-08-24 | Negative pressure pneumatic load static strength test device for aircraft radome |
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| CN113640125A CN113640125A (en) | 2021-11-12 |
| CN113640125B true CN113640125B (en) | 2024-01-30 |
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| CN110553911A (en) * | 2019-07-26 | 2019-12-10 | 中国航空工业集团公司济南特种结构研究所 | Small-size complex-surface radome static test device |
| CN110763565A (en) * | 2019-07-26 | 2020-02-07 | 中国航空工业集团公司济南特种结构研究所 | Small-size complex-surface radome static test device |
| CN211179308U (en) * | 2019-11-20 | 2020-08-04 | 江苏航泰电子科技有限公司 | Antenna housing pressurization testing device |
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