CN216248305U - Radar scattering cross section test is applicable to multi-angle range's annular device - Google Patents
Radar scattering cross section test is applicable to multi-angle range's annular device Download PDFInfo
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- CN216248305U CN216248305U CN202122878714.0U CN202122878714U CN216248305U CN 216248305 U CN216248305 U CN 216248305U CN 202122878714 U CN202122878714 U CN 202122878714U CN 216248305 U CN216248305 U CN 216248305U
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- section test
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- annular device
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Abstract
The utility model relates to the technical field of radar ring devices, and discloses a ring device with a radar scattering cross section test applicable to a multi-angle range.
Description
Technical Field
The utility model relates to the technical field of radar ring devices, in particular to a ring device suitable for a multi-angle range in radar scattering cross section testing.
Background
The radar scattering cross section is the most key concept in radar stealth technology, and represents a physical quantity of the intensity of an echo generated by a target under the irradiation of radar waves. The radar scattering cross section is also called a backscattering cross section, is a measure of the radar signal scattering capacity of a target in the radar incidence direction, and is expressed by the power density normalization of an incident field. RCS is the ratio of the return scattered power per unit solid angle in the radar incident direction to the power density of the target section,
when the existing radar scattering cross section tests a tested target, the test is usually a fixed test, and the angle range which can not be tested according to needs can not be adjusted, so that the use adaptability is reduced.
The problems described above are addressed. Therefore, the annular device suitable for the multi-angle range of radar scattering cross section testing is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an annular device suitable for multi-angle range radar scattering cross section testing, wherein threaded holes are formed in two sides of the outer surface of an arc-shaped guide rail, adjacent arc-shaped guide rails can be spliced through connecting pieces and bolts, and then the angle range to be measured can be quickly set up according to a target to be measured, so that the adaptability is improved, and the problems in the background technology are solved.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a radar scattering cross-section test is applicable to annular device of multi-angle range, is provided with the antenna including support and support surface one side, the support lower extreme is provided with the arc guide rail, and arc guide rail surface both sides set up threaded hole, is provided with the connection piece between the adjacent arc guide rail, and the connection piece openly is provided with the bolt, and bolt and screw hole threaded connection, arc guide rail inner chamber are provided with first spout, and the support lower extreme is provided with the slider.
Preferably, the outer surface of the bracket is provided with a second sliding groove, and two sides of the inner cavity wall of the second sliding groove are provided with first limiting blocks.
Preferably, the inner cavity of the second chute is provided with a lifting block, the two sides of the outer surface of the lifting block are provided with second limiting blocks, and a first reset spring is arranged between the pair of second limiting blocks.
Preferably, the rotating frame is arranged on one side of the outer surface of the lifting block, the rotating block is connected between the rotating frames in a shaft mode, and the antenna is arranged on one side of the outer surface of the rotating block.
Preferably, one side of the outer surface of the rotating block is annularly distributed with limiting holes.
Preferably, one side of the outer surface of the rotating frame is provided with a lifting handle, one side of the outer surface of the lifting handle is provided with a telescopic rod, and the outer surface of the telescopic rod is sleeved with a second return spring.
Preferably, the diameter of the telescopic rod is matched with the limiting hole.
Preferably, the second limiting blocks are clamped between the adjacent first limiting blocks.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the annular device suitable for the multi-angle range of the radar scattering cross section test, the threaded holes are formed in the two sides of the outer surface of the arc-shaped guide rail, the adjacent arc-shaped guide rails can be spliced through the connecting pieces and the bolts, the angle range to be measured can be built quickly according to the target to be measured, and the adaptability is improved.
2. According to the annular device suitable for the multi-angle range of radar scattering cross section testing, the second limiting blocks arranged on two sides of the lifting block can be clamped between the adjacent first limiting blocks by vertically moving the lifting block, so that the lifting adjusting effect is achieved, and the testing of target objects with different heights is facilitated.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the arc-shaped guide rail of the present invention;
FIG. 3 is a side view of the internal structure of the arcuate rail of the present invention;
FIG. 4 is a schematic view of a slider structure according to the present invention;
FIG. 5 is a front view of the internal structure of the stent of the present invention;
FIG. 6 is a schematic view of the lift block structure of the present invention;
FIG. 7 is a schematic top view of the inner structure of the elevator block of the present invention;
FIG. 8 is a side view of the rotating block of the present invention.
In the figure: 1. an arc-shaped guide rail; 11. a threaded hole; 12. a first chute; 2. connecting sheets; 21. a bolt; 3. a slider; 31. a support; 32. a second chute; 33. a lifting block; 331. a second limiting block; 332. a first return spring; 333. a rotating frame; 334. rotating the block; 335. an antenna; 336. a limiting hole; 337. lifting a handle; 338. a telescopic rod; 339. a second return spring; 35. a first stopper.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to solve the technical problem of test coverage, as shown in fig. 1 to 4, the following preferred technical solutions are provided:
the utility model provides a radar scattering cross-section test is applicable to multi-angle range's annular device, is provided with antenna 335 including support 31 and support 31 surface one side, and support 31 lower extreme is provided with arc guide rail 1, and threaded hole 11 has been seted up to 1 surface both sides of arc guide rail, is provided with connection piece 2 between the adjacent arc guide rail 1, and connection piece 2 openly is provided with bolt 21, bolt 21 and 11 threaded connection of threaded hole, and 1 inner chamber of arc guide rail is provided with first spout 12, and support 31 lower extreme is provided with slider 3.
Specifically, threaded holes 11 are formed in two sides of the outer surface of the arc-shaped guide rail 1, and the adjacent arc-shaped guide rail 1 can be spliced through the connecting pieces 2 and the bolts 21, so that the angle range required to be measured can be quickly set up according to a measured target, and the adaptability is improved.
In order to solve the technical problem of target testing according to different heights, as shown in fig. 5-6, the following preferred technical solutions are provided:
the outer surface of the bracket 31 is provided with a second chute 32, two sides of the inner cavity wall of the second chute 32 are provided with first limit blocks 35, the inner cavity of the second chute 32 is provided with a lifting block 33, two sides of the outer surface of the lifting block 33 are provided with second limit blocks 331, and a first reset spring 332 is arranged between the pair of second limit blocks 331.
Specifically, through reciprocating the elevator 33, the second limiting blocks 331 arranged on two sides of the elevator 33 can be connected between the adjacent first limiting blocks 35 in a clamping manner, so that the effect of lifting adjustment is achieved, and the target objects with different heights can be tested conveniently.
In order to solve the technical problem of the rotation adjustment according to the antenna 335, as shown in fig. 7-8, the following preferred technical solutions are provided:
Specifically, when the test angle of the antenna 335 needs to be adjusted, the handle 337 can be pulled transversely at this time, the handle 337 is pulled and then the telescopic rod 338 that is arranged on one side is driven, one end of the telescopic rod 338 can be moved out from the limiting hole 336, so that the rotating block 334 can rotate, and the angle of the antenna 335 can be adjusted.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a radar scattering cross section test is applicable to multi-angle range's annular device, is provided with antenna (335) including support (31) and support (31) surface one side, its characterized in that: the support is characterized in that an arc-shaped guide rail (1) is arranged at the lower end of the support (31), threaded holes (11) are formed in two sides of the outer surface of the arc-shaped guide rail (1), a connecting sheet (2) is arranged between every two adjacent arc-shaped guide rails (1), a bolt (21) is arranged on the front side of the connecting sheet (2), the bolt (21) is in threaded connection with the threaded holes (11), a first sliding groove (12) is formed in the inner cavity of the arc-shaped guide rail (1), and a sliding block (3) is arranged at the lower end of the support (31).
2. The apparatus of claim 1, wherein the radar cross section test is applied to a multi-angle range of ring-shaped devices, and the apparatus comprises: a second sliding groove (32) is formed in the outer surface of the support (31), and first limiting blocks (35) are arranged on two sides of the inner cavity wall of the second sliding groove (32).
3. The annular device of claim 2, wherein the radar scattering cross section test is suitable for a multi-angle range, and comprises: the inner cavity of the second sliding groove (32) is provided with a lifting block (33), two sides of the outer surface of the lifting block (33) are provided with second limiting blocks (331), and a first return spring (332) is arranged between the pair of second limiting blocks (331).
4. The annular device of claim 3, wherein the radar scattering cross section test is suitable for a multi-angle range, and comprises: the lifting block is characterized in that a rotating frame (333) is arranged on one side of the outer surface of the lifting block (33), a rotating block (334) is connected between the rotating frames (333) in a shaft connection mode, and an antenna (335) is arranged on one side of the outer surface of the rotating block (334).
5. The annular device of claim 4, wherein the radar scattering cross section test is suitable for a multi-angle range, and comprises: one side of the outer surface of the rotating block (334) is annularly provided with a limiting hole (336).
6. The annular device of claim 5, wherein the radar scattering cross section test is suitable for a multi-angle range, and comprises: the lifting handle (337) is arranged on one side of the outer surface of the rotating frame (333), the telescopic rod (338) is arranged on one side of the outer surface of the lifting handle (337), and the second return spring (339) is sleeved on the outer surface of the telescopic rod (338).
7. The annular device of claim 6, wherein the radar scattering cross section test is suitable for a multi-angle range, and comprises: the diameter of the telescopic rod (338) is matched with the limiting hole (336).
8. The apparatus of claim 7, wherein the radar cross section test is applied to a multi-angle range of ring-shaped devices, and comprises: the second limiting blocks (331) are clamped between the adjacent first limiting blocks (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122878714.0U CN216248305U (en) | 2021-11-23 | 2021-11-23 | Radar scattering cross section test is applicable to multi-angle range's annular device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122878714.0U CN216248305U (en) | 2021-11-23 | 2021-11-23 | Radar scattering cross section test is applicable to multi-angle range's annular device |
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| CN216248305U true CN216248305U (en) | 2022-04-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115079112A (en) * | 2022-07-21 | 2022-09-20 | 中国航发四川燃气涡轮研究院 | Near-ground dynamic RCS test system and method for aircraft engine |
-
2021
- 2021-11-23 CN CN202122878714.0U patent/CN216248305U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115079112A (en) * | 2022-07-21 | 2022-09-20 | 中国航发四川燃气涡轮研究院 | Near-ground dynamic RCS test system and method for aircraft engine |
| CN115079112B (en) * | 2022-07-21 | 2022-12-20 | 中国航发四川燃气涡轮研究院 | Test system and test method for near-earth dynamic RCS (Radar Cross section) test of aero-engine |
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