CN112201923B - Positioning structure and positioning method for conveniently positioning subreflector of large-caliber communication antenna - Google Patents
Positioning structure and positioning method for conveniently positioning subreflector of large-caliber communication antenna Download PDFInfo
- Publication number
- CN112201923B CN112201923B CN202011039168.5A CN202011039168A CN112201923B CN 112201923 B CN112201923 B CN 112201923B CN 202011039168 A CN202011039168 A CN 202011039168A CN 112201923 B CN112201923 B CN 112201923B
- Authority
- CN
- China
- Prior art keywords
- auxiliary
- positioning
- auxiliary surface
- reflecting surface
- support
- 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.)
- Active
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
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/18—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces
- H01Q19/19—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
-
- 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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention relates to the technical field of satellite antennas, in particular to a positioning structure and a positioning method for an auxiliary reflecting surface of a communication antenna with a large caliber conveniently. The invention comprises an auxiliary reflecting surface, an auxiliary surface bracket, an auxiliary surface support rod and an auxiliary surface support foot; the upper and lower adjustable type of the secondary reflecting surface is fixedly connected below the secondary surface bracket; the number of the auxiliary surface support rods is more than three, the tops of the auxiliary surface support rods are fixedly connected together, the auxiliary surface support is fixedly connected with the auxiliary surface support rods, the auxiliary surface support rods are divided into an upper section and a lower section near the negative support, the upper section support rods are detachably positioned and connected with the lower section support rods, and the upper section support rods and the auxiliary surface support form a fixed whole; the auxiliary face supporting foot is detachably connected with the radiation beam and the lower section supporting rod in a positioning way. According to the invention, the auxiliary surface supporting foot and the auxiliary surface supporting rod for supporting the auxiliary reflecting surface are designed into detachable structures with positioning functions, so that the repeated positioning time of the auxiliary reflecting surface after product delivery can be reduced, the debugging workload is small, and the risk coefficient of repeated ascending debugging of professionals is reduced.
Description
Technical Field
The invention relates to the technical field of satellite antennas, in particular to a positioning structure and a positioning method for a subreflector of a convenient large-aperture communication antenna.
Background
The satellite antenna generally comprises a main reflecting surface, an auxiliary reflecting surface and a feed source system, wherein the main reflecting surface is a metal paraboloid and is responsible for reflecting satellite signals to the auxiliary reflecting surface positioned at a focus, the auxiliary reflecting surface is generally a hyperboloid, one focus is coincided with the focus of the main reflecting surface, the other focus is positioned at the horn mouth of the feed source system, signals transmitted by the main reflecting surface are reflected to the horn of the feed source again, and the feed source system is used for carrying out signal processing.
The satellite antenna is qualified through an electrical performance test before leaving the factory, the satellite antenna can be released from the factory, the distance between the auxiliary reflecting surface and the feed source loudspeaker is mainly adjusted in the test process to ensure that the phase center is matched, the satellite antenna can be judged to be a qualified product only when the electrical performance index of the international satellite organization is reached, the adjustment of the auxiliary reflecting surface requires a professional to repeatedly ascend to a high position according to the electrical performance side lobe to adjust the position of the auxiliary reflecting surface, the work is repeated for multiple times (generally 2-3 days) to obtain the qualified product, the product is sent to a client after being detected to be qualified, the product is generally disassembled into parts easy to deliver, the electrical performance test work is required to be repeated at the client, the period is long, the debugging workload is large, and the repeated ascending is dangerous.
Disclosure of Invention
The invention solves the problems that: the satellite antenna is sent to a client after being detected to be qualified, the electrical performance testing work needs to be repeated at the client, the period is long, the debugging workload is large, repeated climbing is dangerous, and the positioning structure and the positioning method thereof are convenient for the sub-reflector of the large-aperture communication antenna.
The invention is realized by the following technical scheme that the positioning structure convenient for the sub-reflecting surface of the large-aperture communication antenna comprises the sub-reflecting surface, a sub-surface bracket, a sub-surface support rod and a sub-surface support foot;
the upper and lower adjustable type of the auxiliary reflecting surface is fixedly connected below the auxiliary surface bracket;
the number of the auxiliary face support rods is more than three, the tops of the auxiliary face support rods are fixedly connected together, the auxiliary face support is fixedly connected with the auxiliary face support rods, the auxiliary face support rods are divided into an upper section and a lower section at the positions close to the negative support, the upper section support rods are detachably connected with the lower section support rods in a positioning mode, and the upper section support rods and the auxiliary face support form a fixed whole;
the bottom of the lower section support rod is detachably positioned and connected with the auxiliary surface support leg;
the auxiliary face supporting feet are detachably positioned and connected with the radiation beams.
Furthermore, a plurality of adjusting screw rods are uniformly distributed on the circumference of the back face of the auxiliary reflecting face, the adjusting screw rods penetrate through holes in the auxiliary face support, and two nuts are arranged on the adjusting screw rods and are respectively positioned on two sides of the negative support to be fastened and connected in an adjustable mode.
Further, before leaving the factory, after the sub-reflecting surface is positioned and adjusted, sealing glue is further coated outside the adjusting screw rod and the nut.
Furthermore, the upper section support rod and the lower section support rod are connected through a pair of flanges, and a joint surface of the pair of flanges is provided with a boss and a groove for positioning.
Furthermore, the bottom of the lower section supporting rod is connected with the auxiliary surface supporting foot through a plurality of groups of bolt fasteners, and at least two first positioning pins are installed.
Furthermore, the auxiliary surface supporting foot is connected with the radiant beam through a plurality of groups of bolt fasteners, and at least two second positioning pins are installed.
Furthermore, before leaving the factory and after debugging, the upper section support rod, the lower section support rod, the auxiliary surface support foot and the radiation beam in the same group are marked with the same number, and different groups are marked with different marks.
In another aspect of the present invention, a method for positioning a subreflector of a large-aperture communication antenna is provided, which includes the following steps:
s1, fastening and connecting the auxiliary surface supporting feet, the auxiliary surface supporting rods, the auxiliary surface bracket and the auxiliary reflecting surface by bolts and nuts, and requiring that the auxiliary reflecting surface is arranged on the upper surface of the center of the main reflecting surface;
s2, carrying out electrical performance test on the communication antenna, adjusting a nut on the adjusting screw rod according to the received wide-angle side lobe level, and enabling the distance between the sub-reflecting surface and the feed source horn to be changed, so that the electrical performance side lobe is changed until the adjustment is qualified;
s3, drilling and reaming the auxiliary surface support rod and the auxiliary surface support foot together, and positioning by using a first positioning pin;
s4, drilling and reaming the auxiliary face supporting leg and the radiation beam together, and positioning by using a second positioning pin;
s5, marking the upper section stay bar, the lower section stay bar, the auxiliary surface supporting feet and the radiation beam in the same group with the same number, and carrying out distinguishing marking on different groups;
s6, gluing and sealing the hexagon nut of the adjusting screw rod, integrally disassembling the sub-reflecting surface, the bracket and the upper section support rod, adopting a customized packaging bracket, integrally suspending and packaging in a packaging box for transportation, and respectively disassembling and delivering other parts;
and S7, installing according to the number at the installation site.
The invention has the beneficial effects that:
according to the invention, the auxiliary surface supporting feet and the auxiliary surface supporting rods for supporting the auxiliary reflecting surface are designed into detachable structures with positioning functions, so that when the auxiliary reflecting surface is remounted after the product is delivered, the auxiliary reflecting surface can be restored to a qualified debugging position in a factory by a support, the repeated positioning time of the auxiliary reflecting surface after the product is delivered can be reduced, the debugging workload is small, and the risk coefficient of repeated ascending and debugging of professionals is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a communication antenna according to the present invention;
FIG. 2 is a partial enlarged view of the sub-reflector at I in FIG. 1;
FIG. 3 is a partial enlarged view of a flange structure connecting the upper stay bar and the lower stay bar at II in FIG. 2;
FIG. 4 is an enlarged view of a portion of the minor face temple of FIG. 1 at III;
FIG. 5 is a view taken along line A of FIG. 2;
fig. 6 is a schematic view of the sub-reflector package.
In the figure:
1, an auxiliary reflecting surface; 101 adjusting a screw rod; 102 sealing glue; 2, a secondary surface bracket; 3 pairs of face support rods; 301 upper section stay bar; 302 lower section stay bar; 303, a flange; 4 pairs of face supporting feet; 401 a first alignment pin; 402 a second locating pin; 5, a radiation beam; 6 feed source horn; 7, packaging the product in a box.
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.
As shown in fig. 1-6, a positioning structure for facilitating the sub-reflecting surface of a large-aperture communication antenna comprises a sub-reflecting surface 1, a sub-surface support 2, a sub-surface support rod 3 and a sub-surface support foot 4;
the upper and lower distances of the auxiliary reflecting surface 1 are adjustable and are fixedly connected below the auxiliary surface support 2;
the number of the auxiliary face support rods 3 is four, the tops of the auxiliary face support rods 3 are fixedly connected together through bolts, the auxiliary face support 2 is a circular plane and is fixedly connected with the auxiliary face support rods 3 through four upright posts, the auxiliary face support rods 3 are divided into an upper section and a lower section at positions close to the negative support, the upper section support rods 301 and the lower section support rods 302 are detachably positioned and connected, and the upper section support rods 301 and the auxiliary face support 2 form a fixed whole;
the bottom of the lower section support rod 302 is detachably connected with the auxiliary surface support foot 4 in a positioning way;
the auxiliary surface supporting feet 4 are detachably positioned and connected with the radiant beam 5.
In practical application, four adjusting screw rods 101 are uniformly distributed on the circumference of the back surface of the sub-reflecting surface 1, the adjusting screw rods 101 penetrate through holes in the sub-surface support 2, and two nuts are arranged on the adjusting screw rods 101 and are respectively positioned on two sides of the negative support to be fastened and connected in an adjustable manner.
In practical application, before leaving the factory, after the sub-reflecting surface 1 is positioned and adjusted, the adjusting screw 101 and the nut are coated with a sealing glue 102 to prevent the nut from loosening and the sub-reflecting surface 1 from generating relative displacement.
In practical application, the upper section support rod 301 and the lower section support rod 302 are connected through a pair of flanges 303, and a joint surface of the pair of flanges 303 is provided with a boss and a groove for positioning, so that repeated disassembly and assembly can be realized without affecting the accuracy of relative positions.
In practical application, the bottom of the lower section supporting rod is connected with the auxiliary surface supporting foot 4 through a plurality of groups of bolt fasteners, and at least two first positioning pins 401 are installed, so that the accurate position is kept after the lower section supporting rod is disassembled and assembled.
In practical application, the secondary side arm braces 4 and the radiant beam 5 are connected through a plurality of groups of bolt fasteners and are provided with at least two second positioning pins 402, so that accurate positions are kept after disassembly and assembly.
In practical application, before leaving the factory, after debugging is completed, the upper section support rod 301, the lower section support rod 302, the auxiliary surface support foot 4 and the radiation beam 5 in the same group are marked with the same serial number, different groups are marked with different differences, and when the radiation beam is installed again, the radiation beam is installed according to the serial number in the same group, so that the accurate position during in-plant testing can be recovered.
In another aspect of the present invention, a method for positioning a subreflector of a large-aperture communication antenna is provided, which includes the following steps:
s1, mounting an auxiliary surface supporting foot 4, an auxiliary surface supporting rod 3, an auxiliary surface support 2 and an auxiliary reflecting surface 1, wherein the maximum coaxial error and the maximum vertical error of the auxiliary reflecting surface and the main reflecting surface are required to be 1mm, and adopting a sample plate for detection;
s2, carrying out electrical performance test of the communication antenna, adjusting the nut on the adjusting screw rod 101 according to the received wide-angle side lobe level, changing the distance between the sub-reflecting surface 1 and the feed source horn 6, receiving the wide-angle side lobe level again, thus obtaining the change of the electrical performance side lobe, repeating the above work until the adjustment is qualified;
s3, drilling the auxiliary face brace rod 3 and the auxiliary face brace 4 together
Reaming with a conical reamer 1:50, and using
Positioning a taper pin;
s4, drilling the secondary side supporting leg 4 and the radiant beam 5 together
Reaming with a conical reamer 1:50, and using
Positioning a taper pin;
s5, marking the upper section support rod 301, the lower section support rod 302, the auxiliary surface support foot 4 and the radiant beam 5 in the same group with the same number, dividing the upper section support rod, the lower section support rod 302, the auxiliary surface support foot 4 and the radiant beam 5 into four groups, and carrying out distinguishing marking on different groups;
s6, gluing and sealing the hexagon nut of the adjusting screw rod 101 to prevent the nut from loosening, integrally disassembling the sub-reflecting surface 1, the bracket and the upper section support rod 301, integrally suspending and packaging the sub-reflecting surface in a packaging box 7 by adopting a customized packaging bracket and connecting four support legs by flanges, integrally transporting, and respectively disassembling and delivering other parts;
and S7, the parts are installed in groups according to the numbers at the installation site, so that the parts are restored to the debugging positions before delivery, and repeated positioning after delivery is reduced.
In conclusion, the positioning structure for the auxiliary reflecting surface of the communication antenna with the large diameter conveniently can reduce the repeated positioning time of the auxiliary reflecting surface after the product is delivered, the debugging workload is small, and the repeated ascending risk coefficient is reduced.
The foregoing shows and describes the general principles, principal features and advantages of the invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical spirit and features of the present invention, and the present invention is not limited thereto but may be implemented by those skilled in the art.
Claims (5)
1. The utility model provides a make things convenient for location structure of heavy-calibre communication antenna subreflector which characterized in that: comprises an auxiliary reflecting surface (1), an auxiliary surface bracket (2), an auxiliary surface brace rod (3) and an auxiliary surface brace foot (4);
the upper and lower adjustable type auxiliary reflection surface (1) is fixedly connected below the auxiliary surface bracket (2);
the number of the auxiliary surface support rods (3) is more than three, the tops of the auxiliary surface support rods (3) are fixedly connected together, the auxiliary surface support (2) is fixedly connected with the auxiliary surface support rods (3), the auxiliary surface support rods (3) are divided into an upper section and a lower section at the positions close to the auxiliary surface support (2), the upper section support rods (301) are detachably positioned and connected with the lower section support rods (302), and the upper section support rods (301) and the auxiliary surface support rods (2) form a fixed whole;
the bottom of the lower section support rod (302) is detachably positioned and connected with the auxiliary surface support foot (4);
the auxiliary surface supporting feet (4) are detachably positioned and connected with the radiation beam (5);
a plurality of adjusting screw rods (101) are uniformly distributed on the circumference of the back surface of the sub-reflecting surface (1), the adjusting screw rods (101) penetrate through holes in the sub-surface support (2), and two nuts are arranged on the adjusting screw rods (101) and are respectively positioned on two sides of the sub-surface support (2) to be fastened and connected in an adjustable manner;
before leaving a factory, after the auxiliary reflecting surface (1) is positioned and adjusted, sealing glue (102) is further coated outside the adjusting screw rod (101) and the nut;
before leaving the factory, after debugging is finished, the upper section support rod (301), the lower section support rod (302), the auxiliary surface support foot (4) and the radiation beam (5) in the same group are marked with the same number, and different groups are marked with different numbers.
2. The positioning structure for facilitating the subreflector of a large-caliber communication antenna according to claim 1, wherein: the upper section support rod (301) and the lower section support rod (302) are connected through a pair of flanges (303), and a joint surface of the pair of flanges (303) is provided with a boss and a groove for positioning.
3. The positioning structure for facilitating the subreflector of a large-caliber communication antenna according to claim 1, wherein: the bottom of the lower section support rod (302) is connected with the auxiliary surface support foot (4) through a plurality of groups of bolt fasteners, and at least two first positioning pins (401) are installed.
4. The positioning structure for facilitating the subreflector of a large-caliber communication antenna according to claim 1, wherein: the auxiliary surface supporting feet (4) are connected with the radiation beams (5) through a plurality of groups of bolt fasteners, and at least two second positioning pins (402) are installed.
5. A positioning method convenient for positioning structure of sub-reflecting surface of large-aperture communication antenna is characterized in that: the method comprises the following steps:
s1, fastening and connecting the auxiliary surface supporting feet (4), the auxiliary surface supporting rods (3), the auxiliary surface support (2) and the auxiliary reflecting surface (1) by bolts and nuts, and requiring the auxiliary reflecting surface (1) to be arranged on the upper surface of the center of the main reflecting surface;
s2, carrying out electrical performance test on the communication antenna, adjusting a nut on the adjusting screw rod (101) according to the received wide-angle side lobe level, and enabling the distance between the sub-reflecting surface (1) and the feed source horn (6) to be changed, so that the change of the electrical performance side lobe is obtained until the adjustment is qualified;
s3, drilling and reaming the auxiliary surface support rod (3) and the auxiliary surface support foot (4) together, and positioning by using a first positioning pin (401);
s4, drilling holes on the secondary side supporting feet (4) and the radiant beam (5) and then reaming the holes, and positioning by using a second positioning pin (402);
s5, marking the upper section support rod (301), the lower section support rod (302), the auxiliary surface support leg (4) and the radiant beam (5) in the same group with the same number, and carrying out distinguishing marking on different groups;
s6, gluing and sealing the hexagon nut of the adjusting screw rod (101), integrally disassembling the sub-reflecting surface (1), the bracket and the upper section support rod (301), adopting a customized packaging bracket, integrally suspending and packaging in a packaging box (7), waiting for transportation, and respectively disassembling other parts for delivery;
and S7, installing according to the number at the installation site.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011039168.5A CN112201923B (en) | 2020-09-28 | 2020-09-28 | Positioning structure and positioning method for conveniently positioning subreflector of large-caliber communication antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011039168.5A CN112201923B (en) | 2020-09-28 | 2020-09-28 | Positioning structure and positioning method for conveniently positioning subreflector of large-caliber communication antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112201923A CN112201923A (en) | 2021-01-08 |
| CN112201923B true CN112201923B (en) | 2022-05-31 |
Family
ID=74007612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011039168.5A Active CN112201923B (en) | 2020-09-28 | 2020-09-28 | Positioning structure and positioning method for conveniently positioning subreflector of large-caliber communication antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112201923B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116929289B (en) * | 2023-09-18 | 2024-01-05 | 中国科学院西安光学精密机械研究所 | Antenna attitude rapid measurement system and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5611176A (en) * | 1994-03-02 | 1997-03-18 | Juengert; Robert P. | Antenna support structure |
| US6018325A (en) * | 1997-10-14 | 2000-01-25 | At&T Corp | Monopole antenna mounting system |
| CN1753247A (en) * | 2004-09-22 | 2006-03-29 | 中国科学院国家天文台 | Portable parabolin antenna |
| CN201466217U (en) * | 2009-06-10 | 2010-05-12 | 成都双流富华电子有限公司 | Ka band satellite communication antenna |
| CN202712431U (en) * | 2012-08-27 | 2013-01-30 | 中国电子科技集团公司第五十四研究所 | Antenna sub-reflector system comprising fixed adjusting mechanism |
| CN106961000A (en) * | 2017-04-06 | 2017-07-18 | 上海航天测控通信研究所 | A kind of spaceborne ring-focus antenna anti-based on support pair |
| CN110429371A (en) * | 2019-08-07 | 2019-11-08 | 中国科学院新疆天文台 | A kind of feeding mode switching mechanism of radio telescope |
-
2020
- 2020-09-28 CN CN202011039168.5A patent/CN112201923B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5611176A (en) * | 1994-03-02 | 1997-03-18 | Juengert; Robert P. | Antenna support structure |
| US6018325A (en) * | 1997-10-14 | 2000-01-25 | At&T Corp | Monopole antenna mounting system |
| CN1753247A (en) * | 2004-09-22 | 2006-03-29 | 中国科学院国家天文台 | Portable parabolin antenna |
| CN201466217U (en) * | 2009-06-10 | 2010-05-12 | 成都双流富华电子有限公司 | Ka band satellite communication antenna |
| CN202712431U (en) * | 2012-08-27 | 2013-01-30 | 中国电子科技集团公司第五十四研究所 | Antenna sub-reflector system comprising fixed adjusting mechanism |
| CN106961000A (en) * | 2017-04-06 | 2017-07-18 | 上海航天测控通信研究所 | A kind of spaceborne ring-focus antenna anti-based on support pair |
| CN110429371A (en) * | 2019-08-07 | 2019-11-08 | 中国科学院新疆天文台 | A kind of feeding mode switching mechanism of radio telescope |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112201923A (en) | 2021-01-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112201923B (en) | Positioning structure and positioning method for conveniently positioning subreflector of large-caliber communication antenna | |
| Baars et al. | The synthesis radio telescope at Westerbork. General lay-out and mechanical aspects | |
| CN101187724A (en) | Heliostat support device | |
| MX2012015280A (en) | Modular solar support assembly. | |
| CN106207370B (en) | A kind of reflector antenna adjustment positioning device and method | |
| US10571257B2 (en) | System and method for determining an optimal clocking orientation of an object | |
| CN109586045B (en) | Lightweight Ka frequency band reflecting surface antenna and manufacturing method thereof | |
| CN108907277A (en) | A kind of unmanned plane composite material blade boring device and method for boring hole | |
| CN210624100U (en) | AGV laser positioning cloud platform with adjustable | |
| CN111682300B (en) | Universal reconfigurable phased array antenna test truss | |
| CN112344917A (en) | Pipeline butt joint auxiliary device and pipeline butt joint method | |
| CN207743388U (en) | A kind of GNSS observation piers weakening multipath effect | |
| CN109137964B (en) | Three-leg jacket construction process | |
| US20050035920A1 (en) | Dish antenna kit including alignment tool and method of use thereof | |
| US3931860A (en) | Low-profile platform scale | |
| US7091922B2 (en) | Laser alignment apparatus and method | |
| CN113097738B (en) | Parabolic antenna cable net adjusting platform and adjusting method | |
| CN114252010A (en) | High-precision flexible coordination assembly method for functional components of carrier rocket cabin | |
| Wang et al. | Design, fabrication and on-site alignment of low-cost reflector used in large-scale compact antenna test range | |
| JPH0352019Y2 (en) | ||
| CN110954882A (en) | Radar installation calibration device and calibration method thereof | |
| CN210036681U (en) | Subreflector pose measuring system of large radio telescope | |
| CN220349891U (en) | Adjustable portable multi-beam sounding system side board installation device | |
| CN102937415A (en) | Installation device and method for arc-second-level three-dimensional optical deformation measurement device | |
| CN112659030B (en) | Positioning mechanism and positioning method of numerical control positioner |
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 | ||
| CB02 | Change of applicant information |
Address after: 224700 No. 222, South Ring Road, high tech Development Zone, Jianhu County, Yancheng City, Jiangsu Province Applicant after: YANCHENG XINGDI COMMUNICATION EQUIPMENT CO.,LTD. Address before: 224003 No.18, Xinyan Road, Tinghu high tech Pioneer Park, Yancheng City, Jiangsu Province Applicant before: YANCHENG XINGDI COMMUNICATION EQUIPMENT CO.,LTD. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Convenient Structure and Method for Locating the Sub reflector of Large Aperture Communication Antennas Effective date of registration: 20230906 Granted publication date: 20220531 Pledgee: Jianhu County Sub branch of Postal Savings Bank of China Co.,Ltd. Pledgor: YANCHENG XINGDI COMMUNICATION EQUIPMENT CO.,LTD. Registration number: Y2023980055545 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |