CN113889739A - Antenna protection cover supports clamping device - Google Patents
Antenna protection cover supports clamping device Download PDFInfo
- Publication number
- CN113889739A CN113889739A CN202111041605.1A CN202111041605A CN113889739A CN 113889739 A CN113889739 A CN 113889739A CN 202111041605 A CN202111041605 A CN 202111041605A CN 113889739 A CN113889739 A CN 113889739A
- Authority
- CN
- China
- Prior art keywords
- antenna
- plate
- protection cover
- clamping plate
- rotating
- 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.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
- H01Q1/428—Collapsible radomes; rotatable, tiltable radomes
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Details Of Aerials (AREA)
Abstract
The invention provides an antenna protective cover supporting and clamping device, and belongs to the technical field of ground simulation of an adjacent space environment. The problem of current support and fixture can't satisfy near high-speed target antenna safety cover in space and support and move is solved. It includes translation mechanism, rotary mechanism and fixture, translation mechanism links to each other with rotary mechanism, rotary mechanism links to each other with fixture, fixture links to each other with the antenna protection cover, translation mechanism drives the radial translation of antenna protection cover, rotary mechanism drives antenna protection cover circumference rotation, fixture includes connecting plate, lower grip block, last grip block, bottom plate and radial movement subassembly, the connecting plate has a plurality of bottom plates along the circumference equipartition, all is provided with the radial movement subassembly on every bottom plate, the radial movement subassembly links to each other with lower grip block, the grip block upper end links to each other with last grip block down. It is mainly used for supporting and clamping the antenna protection cover.
Description
Technical Field
The invention belongs to the technical field of ground simulation of an adjacent space environment, and particularly relates to an antenna protective cover supporting and clamping device.
Background
The near space is a space area 20-100km away from the ground, is between a satellite and an aviation flight area, is not only a necessary place for the spacecraft to and from the outer space, but also a flight corridor of the hypersonic aircraft. The near space high-speed aircraft is used as an important carrier for developing and utilizing the near space, and a new activity territory of human beings can be developed. The near space high-speed aircraft has the characteristics of high speed, low height, long endurance, reusability and the like, so that the near space high-speed aircraft becomes an important transportation carrier which can flexibly enter and exit the near space, can quickly reach the space in the world and can go to and go from the space, and becomes the focus of research of various science and technology countries.
When the aircraft flies at hypersonic speed, the temperature can reach thousands or even tens of thousands of degrees centigrade due to pneumatic heating, and air molecules are excited and ionized at high temperature to form a layer of plasma sheath which is coated on the surface of the aircraft. The plasma sheath comprises a large amount of neutral particles, positive ions and free electrons, wherein charged particles (mainly free electrons) can absorb, reflect and scatter electromagnetic waves to cause a series of electromagnetic effects, so that communication and detection signals are distorted, and a series of problems such as change of information system characteristics, even generation of communication 'black barriers', target detection abnormity and the like are caused, so that the plasma sheath becomes a bottleneck restricting the development of near space high-speed aircrafts and a world problem to be solved urgently.
Because the antenna protection cover required by the ground simulation of the adjacent space environment has longer length (more than 800mm), and simultaneously, the three antenna protection covers are respectively used for placing antennas with different frequency bands (0.1 GHz-1 GHz, 1 GHz-18 GHz and 18 GHz-40 GHz) in the measurement process, so that the selection of the wave band range can be realized without frequently opening the cabin door in the experimental process. Meanwhile, the service life of the protective cover can be effectively prolonged. In addition, the supporting structure main body adopts a ceramic structure, so that the electric wave reflection can be effectively reduced, and the accuracy of electromagnetic measurement is improved. However, because the antenna protection cover has the mechanical structure characteristic of a long cantilever, the traditional supporting and clamping mechanism cannot meet the requirements of the support and the movement of the ground simulation antenna protection cover in the adjacent space environment.
Disclosure of Invention
The invention provides an antenna protection cover supporting and clamping device for solving the problems in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an antenna protection cover supports clamping device, it includes translation mechanism, rotary mechanism and fixture, translation mechanism links to each other with rotary mechanism, rotary mechanism links to each other with fixture, fixture links to each other with the antenna protection cover, translation mechanism drives antenna protection cover radial translation, rotary mechanism drives antenna protection cover circumferential direction, fixture includes connecting plate, lower grip block, goes up grip block, bottom plate and radial movement subassembly, the connecting plate links to each other with rotary mechanism, the connecting plate has a plurality of bottom plates along the circumference equipartition, all is provided with the radial movement subassembly on every bottom plate, the radial movement subassembly links to each other with grip block down, grip block upper end links to each other with last grip block down, the centre gripping of antenna protection cover is under between grip block and last grip block.
Furthermore, the translation mechanism comprises a base, an upright column, a first lead screw, a first guide rail and a vacuum servo motor, wherein the first lead screw and the first guide rail are arranged on the base, the upright column is arranged on the first guide rail and connected with the first lead screw, one end of the first lead screw is connected with the vacuum servo motor, and the upper end of the upright column is connected with the rotating mechanism.
Furthermore, a linear grating ruler is arranged on the base.
Furthermore, the rotating mechanism comprises a rotating plate, a fixed seat, a rotating shaft and a rotating motor, the fixed seat is connected with the translation mechanism, the rotating shaft is rotatably connected inside the fixed seat, one end of the rotating shaft is connected with the rotating motor, the other end of the rotating shaft is connected with the rotating plate, and the rotating plate is connected with the connecting plate.
Furthermore, a circular grating ruler is arranged on the rotating shaft.
Furthermore, a support column is arranged at the center of the connecting plate, and the bottom plates are connected with the support column through a plurality of support plates.
Furthermore, the radial movement assembly comprises a second guide rail, a second lead screw and a stepping motor, the second guide rail and the second lead screw are both arranged on the bottom plate, the lower clamping plate is arranged on the second guide rail and connected with the second lead screw, and one end of the second lead screw is connected with the stepping motor.
Furthermore, the number of the bottom plates is three, the three bottom plates are arranged at an angle of 120 degrees, and the rotating mechanism drives the clamping mechanism to rotate 120 degrees clockwise or anticlockwise.
Furthermore, a backing ring is arranged between the lower clamping plate and the upper clamping plate.
Furthermore, the lower clamping plate and the upper clamping plate are made of ceramic materials.
Compared with the prior art, the invention has the beneficial effects that: the invention solves the problem that the existing supporting and clamping mechanism can not meet the requirements of the high-speed target antenna protective cover supporting and moving in the adjacent space. The antenna protection cover supporting and clamping device is designed for a ground simulation device system in an adjacent space environment, the antenna protection cover can freely move in the radial direction of 890mm and freely rotate in the axial direction of +/-120 degrees, the transmission characteristics of electromagnetic waves in a plasma sheath layer under different distances and different antenna conditions can be conveniently measured, and the supporting and clamping structure for the long-distance movement and rotation of the blunt body and the long cantilever of the antenna formed by a high-speed target in the adjacent space is provided.
Drawings
Fig. 1 is a schematic front view of an antenna protection cover supporting and clamping device according to the present invention;
fig. 2 is a left side view of the antenna protection cover supporting and clamping device according to the present invention;
FIG. 3 is a schematic front view of the translation mechanism according to the present invention;
FIG. 4 is a schematic top view of the translation mechanism of the present invention;
FIG. 5 is a schematic cross-sectional view of a rotary mechanism according to the present invention;
FIG. 6 is a schematic front view of the clamping mechanism according to the present invention;
FIG. 7 is a schematic side view of the clamping mechanism of the present invention;
FIG. 8 is a schematic top view of a radial translation assembly according to the present invention;
FIG. 9 is a schematic perspective view of a clamping mechanism according to the present invention;
FIG. 10 is a schematic view of an upper clamping plate structure according to the present invention;
FIG. 11 is a schematic view of a lower clamping plate structure according to the present invention;
fig. 12 is a schematic view of a grommet structure according to the present invention.
1: translation mechanism, 2: a rotating mechanism, 3: fixture, 4: antenna protective cover, 1-1: base, 1-2: column, 1-3: first lead screw, 1-4: first guide rail, 2-1: rotating plate, 2-2: fixing seat, 2-3: rotation axis, 2-4: rotating electrical machine, 3-1: connecting plate, 3-2: support column, 3-3: support plate, 3-4: lower clamping plate, 3-5: upper clamping plate, 3-6: second guide rail, 3-7: a second lead screw, 3-8: bottom plate, 3-9: a stepper motor.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely explained below with reference to the drawings in the embodiments of the present invention.
Referring to fig. 1-12 to illustrate the present embodiment, an antenna protection cover supporting and clamping device includes a translation mechanism 1, a rotation mechanism 2 and a clamping mechanism 3, where the translation mechanism 1 is connected to the rotation mechanism 2, the rotation mechanism 2 is connected to the clamping mechanism 3, the clamping mechanism 3 is connected to an antenna protection cover 4, the translation mechanism 1 drives the antenna protection cover 4 to translate radially, the rotation mechanism 2 drives the antenna protection cover 4 to rotate circumferentially, the clamping mechanism 3 includes a connecting plate 3-1, a lower clamping plate 3-4, an upper clamping plate 3-5, a bottom plate 3-8 and a radial moving component, the connecting plate 3-1 is connected to the rotation mechanism 2, the connecting plate 3-1 is uniformly distributed with a plurality of bottom plates 3-8 circumferentially, and each bottom plate 3-8 is provided with a radial moving component, the radial moving assembly is connected with a lower clamping plate 3-4, the upper end of the lower clamping plate 3-4 is connected with an upper clamping plate 3-5, and the antenna protection cover 4 is clamped between the lower clamping plate 3-4 and the upper clamping plate 3-5.
The maximum length of the device is 4485mm, the height is 2290mm, the translation mechanism 1 comprises a base 1-1, an upright post 1-2, a first lead screw 1-3, a first guide rail 1-4 and a vacuum servo motor, the first lead screw 1-3 and the first guide rail 1-4 are arranged on the base 1-1, the upright post 1-2 is arranged on the first guide rail 1-4 and connected with the first lead screw 1-3, one end of the first lead screw 1-3 is connected with the vacuum servo motor, the upper end of the upright post 1-2 is connected with the rotating mechanism 2, the upright post 1-2 with the height of 1602.2mm is placed on the first guide rail 1-4 with the length of 1958mm, the width of the base 1-1 is 410mm, the vacuum servo motor and a linear grating ruler are arranged on the base 1-1, the integral radial translation of the upright post 1-2 can be controlled, and controlling the moving distance, wherein the distance that the upright post 1-2 can move on the base 1-1 in the radial direction is 1600 mm.
The rotating mechanism 2 comprises a rotating plate 2-1, a fixed seat 2-2, a rotating shaft 2-3 and a rotating motor 2-4, the fixed seat 2-2 is connected with the translation mechanism 1, the rotating shaft 2-3 is rotatably connected inside the fixed seat 2-2, one end of the rotating shaft 2-3 is connected with the rotating motor 2-4, the other end of the rotating shaft is connected with the rotating plate 2-1, the rotating plate 2-1 is connected with a connecting plate 3-1, a circular grating ruler is arranged on the rotating shaft 2-3, a supporting column 3-2 is arranged in the center of the connecting plate 3-1, a plurality of bottom plates 3-8 are connected with the supporting column 3-2 through a plurality of supporting plates 3-3, the diameter of the connecting plate 3-1 is 934mm, the distance from the center of the connecting plate to the base 1-1 is 1738mm, and the radial moving assembly comprises a second guide rail 3-6, The antenna protection cover comprises second lead screws 3-7 and stepping motors 3-9, second guide rails 3-6 and second lead screws 3-7 are arranged on bottom plates 3-8, lower clamping plates 3-4 are arranged on the second guide rails 3-6 and connected with the second lead screws 3-7, one ends of the second lead screws 3-7 are connected with the stepping motors 3-9, the number of the bottom plates 3-8 is three, the three bottom plates 3-8 are arranged at 120 degrees, and the rotating mechanism 2 drives the clamping mechanisms 3 to rotate clockwise or anticlockwise by 120 degrees for replacing different antenna protection covers 4. The radial movement component is used for controlling the radial movement of the antenna protection cover 4, and the free movement distance is 890 mm.
The lower clamping plate 3-4 and the upper clamping plate 3-5 are made of ceramic materials, the main shapes of the lower clamping plate 3-4 and the upper clamping plate 3-5 are two semi-cylindrical rings, the thickness of the rings is 12.5mm, the inner diameter of each ring is 82.5mm, the length of each ring is 120mm, three M6 screw holes are formed in two sides of each ring and used for fixing the rings, the antenna protection cover 4 is made of ceramic materials and is very easy to damage, a cushion ring is arranged between the lower clamping plate 3-4 and the upper clamping plate 3-5 to play a role in protection, the inner diameter and the outer diameter of the cushion ring are 160mm and 165mm, and the length of the cushion ring is 100 mm. In the assembling process, firstly, a backing ring is sleeved on the tail part of the antenna protection cover 4, the lower clamping plate 3-4 and the upper clamping plate 3-5 are placed between the lower clamping plate 3-4 and the upper clamping plate 3-5, and the lower clamping plate 3-4 and the upper clamping plate 3-5 are connected together through screw holes on two sides, so that the antenna protection cover 4 is horizontally fixed on the supporting and clamping device and cannot fall off or be damaged in the radial movement and axial rotation processes of the supporting and clamping device.
The antenna protection cover supporting and clamping device provided by the invention is described in detail above, and the principle and the implementation mode of the invention are explained by applying specific examples, and the description of the above examples is only used for helping understanding the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. The utility model provides an antenna protection cover supports clamping device which characterized in that: the antenna protection device comprises a translation mechanism (1), a rotation mechanism (2) and a clamping mechanism (3), wherein the translation mechanism (1) is connected with the rotation mechanism (2), the rotation mechanism (2) is connected with the clamping mechanism (3), the clamping mechanism (3) is connected with an antenna protection cover (4), the translation mechanism (1) drives the antenna protection cover (4) to translate radially, the rotation mechanism (2) drives the antenna protection cover (4) to rotate circumferentially, the clamping mechanism (3) comprises a connecting plate (3-1), a lower clamping plate (3-4), an upper clamping plate (3-5), a bottom plate (3-8) and a radial movement assembly, the connecting plate (3-1) is connected with the rotation mechanism (2), a plurality of bottom plates (3-8) are uniformly distributed on the connecting plate (3-1) along the circumferential direction, and a radial movement assembly is arranged on each bottom plate (3-8), the radial moving assembly is connected with a lower clamping plate (3-4), the upper end of the lower clamping plate (3-4) is connected with an upper clamping plate (3-5), and the antenna protection cover (4) is clamped between the lower clamping plate (3-4) and the upper clamping plate (3-5).
2. An antenna shield support clip assembly as set forth in claim 1, wherein: the translation mechanism (1) comprises a base (1-1), an upright post (1-2), a first lead screw (1-3), a first guide rail (1-4) and a vacuum servo motor, wherein the base (1-1) is provided with the first lead screw (1-3) and the first guide rail (1-4), the upright post (1-2) is arranged on the first guide rail (1-4) and connected with the first lead screw (1-3), one end of the first lead screw (1-3) is connected with the vacuum servo motor, and the upper end of the upright post (1-2) is connected with the rotating mechanism (2).
3. An antenna shield support clip assembly as set forth in claim 2, wherein: the base (1-1) is provided with a linear grating ruler.
4. An antenna shield support clip assembly as set forth in claim 1, wherein: the rotating mechanism (2) comprises a rotating plate (2-1), a fixed seat (2-2), a rotating shaft (2-3) and a rotating motor (2-4), the fixed seat (2-2) is connected with the translation mechanism (1), the rotating shaft (2-3) is rotatably connected inside the fixed seat (2-2), one end of the rotating shaft (2-3) is connected with the rotating motor (2-4), the other end of the rotating shaft is connected with the rotating plate (2-1), and the rotating plate (2-1) is connected with the connecting plate (3-1).
5. An antenna shield support clip assembly as set forth in claim 4, wherein: and a circular grating ruler is arranged on the rotating shaft (2-3).
6. An antenna shield support clip assembly as set forth in claim 1, wherein: a supporting column (3-2) is arranged at the center of the connecting plate (3-1), and the plurality of bottom plates (3-8) are connected with the supporting column (3-2) through a plurality of supporting plates (3-3).
7. An antenna shield support clip assembly as set forth in claim 1, wherein: the radial moving assembly comprises second guide rails (3-6), second lead screws (3-7) and stepping motors (3-9), the second guide rails (3-6) and the second lead screws (3-7) are arranged on the bottom plates (3-8), the lower clamping plates (3-4) are arranged on the second guide rails (3-6) and connected with the second lead screws (3-7), and one ends of the second lead screws (3-7) are connected with the stepping motors (3-9).
8. An antenna shield support clip assembly as set forth in claim 1, wherein: the number of the bottom plates (3-8) is three, the three bottom plates (3-8) are arranged at an angle of 120 degrees, and the rotating mechanism (2) drives the clamping mechanism (3) to rotate 120 degrees clockwise or anticlockwise.
9. An antenna shield support clip assembly as set forth in claim 1, wherein: a backing ring is arranged between the lower clamping plate (3-4) and the upper clamping plate (3-5).
10. An antenna shield support clip assembly as set forth in claim 1, wherein: the lower clamping plate (3-4) and the upper clamping plate (3-5) are made of ceramic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111041605.1A CN113889739B (en) | 2021-09-06 | 2021-09-06 | Antenna protection cover supports clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111041605.1A CN113889739B (en) | 2021-09-06 | 2021-09-06 | Antenna protection cover supports clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113889739A true CN113889739A (en) | 2022-01-04 |
| CN113889739B CN113889739B (en) | 2022-05-17 |
Family
ID=79008311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111041605.1A Active CN113889739B (en) | 2021-09-06 | 2021-09-06 | Antenna protection cover supports clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113889739B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011070451A2 (en) * | 2009-12-11 | 2011-06-16 | Andrew Llc | Reflector antenna radome attachment band clamp |
| CN104290006A (en) * | 2014-08-21 | 2015-01-21 | 上海无线电设备研究所 | Performance measuring and on-line correcting device and method for antenna housing |
| CN105277745A (en) * | 2015-10-27 | 2016-01-27 | 北京无线电计量测试研究所 | High-precision radome electrical performance wide-angle automatic measurement turret |
| CN207611870U (en) * | 2018-05-07 | 2018-07-13 | 深圳祥博一科技有限公司 | A kind of detachable rotary radio frequency antenna |
| CN108682955A (en) * | 2018-05-11 | 2018-10-19 | 安徽尼古拉电子科技有限公司 | A kind of integrated terminal antenna based on Beidou navigation technology |
| CN109270363A (en) * | 2017-07-18 | 2019-01-25 | 中国航空工业集团公司济南特种结构研究所 | A kind of belly antenna cover electric performance test method |
| CN209981463U (en) * | 2019-05-28 | 2020-01-21 | 苏州海天新天线科技有限公司 | Protective cover for mobile communication antenna |
| CN213304363U (en) * | 2020-11-16 | 2021-05-28 | 泰州高意诚复合材料有限公司 | High temperature resistant antenna protection cover for 5G |
| CN112886177A (en) * | 2021-01-08 | 2021-06-01 | 胡民杰 | Antenna structure for 5G mobile terminal |
| CN113111509A (en) * | 2021-04-12 | 2021-07-13 | 中电科思仪科技股份有限公司 | System and method for testing electrical performance of antenna housing of analog phased array antenna |
-
2021
- 2021-09-06 CN CN202111041605.1A patent/CN113889739B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011070451A2 (en) * | 2009-12-11 | 2011-06-16 | Andrew Llc | Reflector antenna radome attachment band clamp |
| BR112012013654A2 (en) * | 2009-12-11 | 2016-04-12 | Andrew Llc | clamp for attaching a radome to the distal end of a reflector disc and method for reducing the front-to-back ratio of a reflector disc and radome antenna |
| CN104290006A (en) * | 2014-08-21 | 2015-01-21 | 上海无线电设备研究所 | Performance measuring and on-line correcting device and method for antenna housing |
| CN105277745A (en) * | 2015-10-27 | 2016-01-27 | 北京无线电计量测试研究所 | High-precision radome electrical performance wide-angle automatic measurement turret |
| CN109270363A (en) * | 2017-07-18 | 2019-01-25 | 中国航空工业集团公司济南特种结构研究所 | A kind of belly antenna cover electric performance test method |
| CN207611870U (en) * | 2018-05-07 | 2018-07-13 | 深圳祥博一科技有限公司 | A kind of detachable rotary radio frequency antenna |
| CN108682955A (en) * | 2018-05-11 | 2018-10-19 | 安徽尼古拉电子科技有限公司 | A kind of integrated terminal antenna based on Beidou navigation technology |
| CN209981463U (en) * | 2019-05-28 | 2020-01-21 | 苏州海天新天线科技有限公司 | Protective cover for mobile communication antenna |
| CN213304363U (en) * | 2020-11-16 | 2021-05-28 | 泰州高意诚复合材料有限公司 | High temperature resistant antenna protection cover for 5G |
| CN112886177A (en) * | 2021-01-08 | 2021-06-01 | 胡民杰 | Antenna structure for 5G mobile terminal |
| CN113111509A (en) * | 2021-04-12 | 2021-07-13 | 中电科思仪科技股份有限公司 | System and method for testing electrical performance of antenna housing of analog phased array antenna |
Non-Patent Citations (2)
| Title |
|---|
| ZHONG-LIN ZHANG等: "High-Efficiency Inductively Coupled Plasma Source With Dual Antenna Hybrid Scheme", 《IEEE TRANSACTIONS ON PLASMA SCIENCE》 * |
| 林夕腾: "天线罩精密加工与测量的技术优化与应用", 《万方数据库》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113889739B (en) | 2022-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5049891A (en) | Radome-antenna installation with rotating equipment rack | |
| US8584983B2 (en) | Magnetic de-rotation system for a shaft fairing system | |
| CN113889739B (en) | Antenna protection cover supports clamping device | |
| CN102087322A (en) | Lightning effect test device for dynamic airplane | |
| US11139726B2 (en) | Electromagnetic generator and method of using same | |
| KR101663342B1 (en) | Roller, in particular track roller or carrying roller for cableway systems | |
| CN206757034U (en) | A kind of triaxial antennas test table with low reflection characteristic | |
| CN105226477A (en) | A kind of electric rotation transmission device that rolls | |
| US11070115B2 (en) | Motor/generator system and method | |
| CN109291087A (en) | A kind of electric slicer for aerial cable slice test | |
| CN113922087A (en) | Wide band section miniaturization antenna array hoisting mechanism suitable for cross cabin structure | |
| CN109737018B (en) | Slip ring component and wind generating set | |
| CN108189997A (en) | Stratospheric airship ion wind electric propulsion device | |
| CN111474417A (en) | Broadband antenna measuring system and testing method | |
| CN111271214A (en) | Wave power generation device | |
| CN202363293U (en) | Rapid switching device for travel switch | |
| US2297466A (en) | Frame aerial | |
| CN110504521B (en) | Unfolding mechanism for high-precision umbrella-shaped antenna | |
| CN111828475B (en) | Radial magnetic bearing structure and multi-degree-of-freedom magnetic suspension mechanism comprising same | |
| CN212301697U (en) | Broadband antenna measurement system | |
| CN100540094C (en) | The controllable magnetic damping device of training airplane | |
| CN1074788A (en) | Electromagnetic actuators | |
| CN220232969U (en) | Positioning tool for assembling vacuum arc-extinguishing chamber | |
| CN217062523U (en) | Automatic identification device of antenna scanning and tracking system | |
| CN112659074A (en) | Multi-axis positioning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |