CN113612024B - Triaxial antenna scanning frame - Google Patents

Triaxial antenna scanning frame Download PDF

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Publication number
CN113612024B
CN113612024B CN202110890332.1A CN202110890332A CN113612024B CN 113612024 B CN113612024 B CN 113612024B CN 202110890332 A CN202110890332 A CN 202110890332A CN 113612024 B CN113612024 B CN 113612024B
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CN
China
Prior art keywords
guide rail
transverse
longitudinal
adjusting seat
antenna
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Application number
CN202110890332.1A
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Chinese (zh)
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CN113612024A (en
Inventor
袁文
石竹君
林宏
刘成
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Guizhou Aerospace Institute of Measuring and Testing Technology
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Guizhou Aerospace Institute of Measuring and Testing Technology
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Application filed by Guizhou Aerospace Institute of Measuring and Testing Technology filed Critical Guizhou Aerospace Institute of Measuring and Testing Technology
Priority to CN202110890332.1A priority Critical patent/CN113612024B/en
Publication of CN113612024A publication Critical patent/CN113612024A/en
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Publication of CN113612024B publication Critical patent/CN113612024B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/02Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/08Measuring electromagnetic field characteristics
    • G01R29/10Radiation diagrams of antennas
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Support Of Aerials (AREA)

Abstract

The invention discloses a triaxial antenna scanning frame, which comprises: a tripod; the transverse adjusting mechanism comprises a transverse guide rail and a transverse adjusting seat, the transverse guide rail is arranged on the tripod, and the transverse adjusting seat is slidably adjusted and arranged on the transverse guide rail; the longitudinal adjusting mechanism comprises a longitudinal guide rail and a longitudinal adjusting seat, the longitudinal guide rail is arranged on the transverse adjusting seat, the longitudinal adjusting seat is slidably adjusted and arranged on the longitudinal guide rail, and the longitudinal guide rail is perpendicular to the direction of the transverse guide rail; and the antenna fixing mechanism is fixedly arranged on the longitudinal adjusting seat and is used for installing an antenna. Compared with the prior art, the invention avoids repeated position conversion and antenna assembly and disassembly, improves the test efficiency and the reliability and stability of the measurement result, and effectively solves the problem that the whole space signal can not be tested after being assembled once.

Description

Triaxial antenna scanning frame
Technical Field
The invention relates to a triaxial antenna scanning frame, and belongs to the technical field of antenna supporting tools.
Background
Antenna frames are often used in measuring spatially radiated signals in a particular area. However, in the current device using the antenna scanning frame basically moving in a fixed point or in a single direction, if the space to be tested radiates signals, the purpose of measuring the radiation signals of one surface or one space can be achieved by changing the running track of the antenna for multiple times.
Disclosure of Invention
Based on the above, the invention provides a triaxial antenna scanning frame, which aims to solve the problems of low testing efficiency and larger error of a measuring result caused by moving the scanning frame, loading and unloading the antenna and moving the position for a plurality of times when measuring the space radiation signal of a specific area.
The technical scheme of the invention is as follows: a triaxial antenna gantry comprising:
a tripod;
the transverse adjusting mechanism comprises a transverse guide rail and a transverse adjusting seat, the transverse guide rail is arranged on the tripod, and the transverse adjusting seat is slidably adjusted and arranged on the transverse guide rail;
the longitudinal adjusting mechanism comprises a longitudinal guide rail and a longitudinal adjusting seat, the longitudinal guide rail is arranged on the transverse adjusting seat, the longitudinal adjusting seat is slidably adjusted and arranged on the longitudinal guide rail, and the longitudinal guide rail is perpendicular to the direction of the transverse guide rail;
the antenna fixing mechanism is fixedly arranged on the longitudinal adjusting seat and used for installing an antenna;
under the working state, the height position of the antenna can be adjusted through the tripod, the horizontal transverse position of the antenna can be adjusted through changing the position of the transverse adjusting seat on the transverse guide rail, and the horizontal longitudinal position of the antenna can be adjusted through changing the position of the longitudinal adjusting seat on the longitudinal guide rail.
In one example, a mounting plate is arranged at the top of the tripod, a first end of the transverse guide rail is fixedly arranged on the mounting plate, a second end of the transverse guide rail extends away from the tripod, and a balancing weight is arranged at the first end of the transverse guide rail.
In one example, the transverse guide rail adopts a double-slide rail structure, each slide rail comprises a transverse slide rail support and a transverse circular slide rail, the transverse slide rail support is fixedly arranged on the mounting plate, the bottom of the transverse circular slide rail is arranged on the transverse slide rail support, and the transverse adjusting seat is provided with a notch matched with the transverse circular slide rail.
In one example, a transverse stop is provided at an end of the transverse circular slide rail.
In one example, the longitudinal guide rail adopts a double-slide rail structure, each slide rail comprises a longitudinal slide rail support and a longitudinal circular slide rail, the longitudinal slide rail support is fixedly arranged on the transverse adjusting seat, the bottom of the longitudinal circular slide rail is arranged on the longitudinal slide rail support, and the longitudinal adjusting seat is provided with a notch matched with the longitudinal circular slide rail.
In one example, a longitudinal stop is provided at an end of the longitudinal circular slide rail.
In one example, the lateral adjustment seat and the longitudinal adjustment seat are both provided with locking mechanisms, and the locking mechanisms can fix the lateral adjustment seat on the lateral guide rail and fix the longitudinal adjustment seat on the longitudinal guide rail.
In one example, the antenna fixing mechanism includes:
the lower clamp body is fixedly arranged on the longitudinal adjusting seat;
the upper clamp body is arranged on the lower clamp body;
a fastener;
the upper clamp body and the lower clamp body are arranged in a hole for accommodating the supporting rod of the antenna, and the fastening piece can fix the upper clamp body on the lower clamp body so as to clamp and fix the supporting rod of the antenna.
In one example, the transverse guide rail and the longitudinal guide rail are provided with scale marks along the length direction of the transverse guide rail and the longitudinal guide rail.
In one example, a handle is arranged on the tripod, and the lifting action of the tripod can be controlled through the handle.
The beneficial effects of the invention are as follows: after the scanning frame is adopted, when the antenna scanning frame is used for testing space radiation in a specific area, the antenna is firstly arranged on the antenna fixing mechanism, then the height position of the antenna can be adjusted through the tripod, the horizontal transverse position of the antenna can be adjusted through the transverse adjusting mechanism, and the horizontal longitudinal position of the antenna can be adjusted through the longitudinal adjusting mechanism, so that the triaxial position adjustment of the antenna can be rapidly realized. Compared with the prior art, the invention avoids repeated position conversion and antenna assembly and disassembly, improves the test efficiency and the reliability and stability of the measurement result, and effectively solves the problem that the whole space signal can not be tested after being assembled once.
Drawings
FIG. 1 is a perspective view of a triaxial antenna gantry at a viewing angle;
fig. 2 is a perspective view of a triaxial antenna gantry at another view angle;
FIG. 3 is a schematic view of a lateral adjustment mechanism and a longitudinal adjustment mechanism;
fig. 4 is a schematic structural view of an antenna fixing mechanism;
reference numerals illustrate:
1, a tripod;
11 mounting plates, 12 handles;
2 a transverse adjusting mechanism;
21 transverse guide rails, 22 transverse adjusting seats, 23 balancing weights;
211 transverse slide rail support, 212 transverse circular slide rail, 213 transverse stop;
3 a longitudinal adjusting mechanism;
31 longitudinal guide rails, 32 longitudinal adjustment seats;
311 longitudinal rail support, 312 longitudinal circular rail, 313 longitudinal stop;
4 an antenna fixing mechanism;
41 lower clamp, 42 upper clamp, 43 fastener.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the invention, which is therefore not limited to the specific embodiments disclosed below.
Referring to fig. 1 to 3, the three-axis antenna scanning frame of the present embodiment includes a tripod 1, a lateral adjustment mechanism 2, a longitudinal adjustment mechanism 3, and an antenna fixing mechanism 4. The tripod 1 plays a supporting role and is mainly used for supporting and installing parts such as a transverse adjusting mechanism 2, a longitudinal adjusting mechanism 3, an antenna fixing mechanism 4 and the like. The transverse adjusting mechanism 2 comprises a transverse guide rail 21 and a transverse adjusting seat 22, wherein the transverse guide rail 21 is arranged on the tripod 1, and the transverse adjusting seat 22 is slidably and adjustably arranged on the transverse guide rail 21. The longitudinal adjustment mechanism 3 comprises a longitudinal guide rail 31 and a longitudinal adjustment seat 32, the longitudinal guide rail 31 is arranged on the transverse adjustment seat 22, the longitudinal adjustment seat 32 is slidably adjusted and arranged on the longitudinal guide rail 31, and the longitudinal guide rail 31 is perpendicular to the direction of the transverse guide rail 21. The antenna fixing mechanism 4 is fixedly arranged on the longitudinal adjusting seat 32 and is used for installing an antenna. In the working state, the height position of the antenna can be adjusted through the tripod 1, the horizontal transverse position of the antenna can be adjusted through changing the position of the transverse adjusting seat 22 on the transverse guide rail 21, and the horizontal longitudinal position of the antenna can be adjusted through changing the position of the longitudinal adjusting seat 32 on the longitudinal guide rail 31.
After the adoption of the scanning frame, when the antenna scanning frame is used for testing space radiation in a specific area, the antenna is firstly arranged on the antenna fixing mechanism 4, then the height position of the antenna can be adjusted through the tripod 1, the horizontal transverse position of the antenna can be adjusted through the transverse adjusting mechanism 2, and the horizontal longitudinal position of the antenna can be adjusted through the longitudinal adjusting mechanism 3, so that the triaxial position adjustment of the antenna can be quickly realized. Compared with the prior art, the invention avoids repeated position conversion and antenna assembly and disassembly, improves the test efficiency and the reliability and stability of the measurement result, and effectively solves the problem that the whole space signal can not be tested after being assembled once.
For easy to assemble to and improve the equilibrium of this scanning frame, be equipped with mounting panel 11 at the top of tripod 1, the first end of transverse guide 21 sets firmly on mounting panel 11, and the second end of transverse guide 21 extends to the direction of keeping away from tripod 1, and is equipped with balancing weight 23 at the first end of transverse guide 21. The weight of the weight 23 is preferably such that the whole device is stable against tilting after the antenna is mounted.
In order to improve the stability of this scanning frame regulation, the transverse guide rail 21 adopts the double-slide rail structure, and every slide rail includes transverse slide rail support 211 and transverse circular slide rail 212, and transverse slide rail support 211 sets firmly on mounting panel 11, and transverse circular slide rail 212's bottom sets up in transverse slide rail support 211 be equipped with on the above-mentioned transverse adjustment seat 22 with transverse circular slide rail 212 matched notch. In the present embodiment, the lateral slide rail holder 211 is fixed to the mounting plate 11 by bolts or the like. Due to the adoption of the circular slide rail and the corresponding notch structure, the transverse adjusting seat 22 can be clasped on the circular slide rail, so that the adjusting stability can be further improved. In addition, a transverse stop 213 is provided at the end of the transverse circular rail 212 to prevent the transverse adjustment seat 22 from slipping out.
In order to improve the stability of the adjustment of the scanning frame, the longitudinal guide rail 31 adopts a double-slide rail structure, each slide rail comprises a longitudinal slide rail support 311 and a longitudinal circular slide rail 312, the longitudinal slide rail support 311 is fixedly arranged on the transverse adjustment seat 22, the bottom of the longitudinal circular slide rail 312 is arranged on the longitudinal slide rail support 311, and the longitudinal adjustment seat 32 is provided with a notch matched with the longitudinal circular slide rail 312. In this embodiment, the longitudinal rail support 311 may be fixed to the lateral adjustment seat 22 by bolts or the like. Due to the adoption of the circular slide rail and the corresponding notch structure, the longitudinal adjusting seat 32 can be clasped on the circular slide rail, so that the adjusting stability can be further improved. In addition, a longitudinal stop 313 is provided at the end of the longitudinal circular rail 312 to prevent the longitudinal adjustment seat 32 from slipping out.
In order to realize the relative fixation of the scanning position of the antenna, the transverse adjusting seat 22 and the longitudinal adjusting seat 32 are respectively provided with a locking mechanism, and the locking mechanism can fix the transverse adjusting seat 22 on the transverse guide rail 21 and fix the longitudinal adjusting seat 32 on the longitudinal guide rail 31. In this embodiment, the locking mechanism may be a locking screw, and locking holes are respectively formed on the lateral adjustment seat 22 and the longitudinal adjustment seat 32, and the locking screw is passed through the locking holes, so as to achieve the function of fixing the positions of the lateral adjustment seat 22 and the longitudinal adjustment seat 32.
In order to realize rapid installation and fixation of the antenna, the antenna fixing mechanism 4 comprises a lower clamp 41, an upper clamp 42 and a fastener 43, wherein the lower clamp 41 is installed on the longitudinal adjustment seat 32, the upper clamp 42 is arranged on the lower clamp 41, a hole for accommodating a supporting rod of the antenna is arranged between the upper clamp 42 and the lower clamp 41, and the fastener 43 can fix the upper clamp 42 on the lower clamp 41 so as to clamp and fix the supporting rod of the antenna. In this embodiment, the upper clamp 42 and the lower clamp 41 are provided with semicircular holes, which are aligned and folded to form holes slightly smaller than the supporting rod of the antenna, and the two sides of the upper clamp 42 and the lower clamp 41 are provided with fixing holes, and the fastening piece 43 can be a fastening screw, and the fastening screw can be inserted into the fixing holes so as to rapidly clamp and fix the supporting rod.
In order to realize the accurate adjustment of the scanning position of the antenna, the transverse guide rail 21 and the longitudinal guide rail 31 are provided with scale marks along the length direction, and in the working state, the accurate adjustment of the position of the antenna on three axes can be realized according to the scale marks, and the corresponding position information can be recorded conveniently.
In order to realize the rapid adjustment of the tripod 1, the tripod 1 is provided with a handle 12, and the lifting action of the tripod 1 can be controlled by the handle 12, so that the height adjustment of the antenna scanning position is realized.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (4)

1. A triaxial antenna gantry, comprising:
a tripod (1);
the transverse adjusting mechanism (2) comprises a transverse guide rail (21) and a transverse adjusting seat (22), wherein the transverse guide rail (21) is arranged on the tripod (1), and the transverse adjusting seat (22) is slidably adjusted and arranged on the transverse guide rail (21);
the longitudinal adjusting mechanism (3) comprises a longitudinal guide rail (31) and a longitudinal adjusting seat (32), the longitudinal guide rail (31) is arranged on the transverse adjusting seat (22), the longitudinal adjusting seat (32) is slidably adjusted and arranged on the longitudinal guide rail (31), and the longitudinal guide rail (31) is perpendicular to the transverse guide rail (21);
the antenna fixing mechanism (4) is fixedly arranged on the longitudinal adjusting seat (32) and is used for installing an antenna;
wherein in the working state, the height position of the antenna can be adjusted through the tripod (1), the horizontal transverse position of the antenna can be adjusted by changing the position of the transverse adjusting seat (22) on the transverse guide rail (21), and the horizontal longitudinal position of the antenna can be adjusted by changing the position of the longitudinal adjusting seat (32) on the longitudinal guide rail (31);
the top of the tripod (1) is provided with a mounting plate (11), a first end of the transverse guide rail (21) is fixedly arranged on the mounting plate (11), a second end of the transverse guide rail (21) extends in a direction away from the tripod (1), and a balancing weight (23) is arranged at the first end of the transverse guide rail (21);
the transverse guide rail (21) adopts a double-guide-rail structure, each guide rail comprises a transverse guide rail support (211) and a transverse circular guide rail (212), the transverse guide rail supports (211) are fixedly arranged on the mounting plate (11), the bottoms of the transverse circular guide rails (212) are arranged on the transverse guide rail supports (211), and the transverse adjusting seat (22) is provided with a notch matched with the transverse circular guide rail (212);
a transverse stop block (213) is arranged at the end part of the transverse circular slide rail (212); the longitudinal guide rail (31) adopts a double-guide rail structure, each guide rail comprises a longitudinal guide rail support (311) and a longitudinal circular guide rail (312), the longitudinal guide rail support (311) is fixedly arranged on the transverse adjusting seat (22), the bottom of the longitudinal circular guide rail (312) is arranged on the longitudinal guide rail support (311), and a notch matched with the longitudinal circular guide rail (312) is arranged on the longitudinal adjusting seat (32); a longitudinal stop block (313) is arranged at the end part of the longitudinal circular sliding rail (312); the transverse adjusting seat (22) and the longitudinal adjusting seat (32) are both provided with locking mechanisms, and the locking mechanisms can fix the transverse adjusting seat (22) on the transverse guide rail (21) and fix the longitudinal adjusting seat (32) on the longitudinal guide rail (31).
2. The triaxial antenna gantry according to claim 1, characterized in that the antenna fixing mechanism (4) comprises:
the lower clamp body (41) is fixedly arranged on the longitudinal adjusting seat (32);
an upper clip body (42) provided on the lower clip body (41);
a fastener (43);
the upper clamp body (42) and the lower clamp body (41) are arranged in a hole which can accommodate the supporting rod of the antenna, and the fastening piece (43) can fix the upper clamp body (42) on the lower clamp body (41) so as to clamp and fix the supporting rod of the antenna.
3. The triaxial antenna gantry according to claim 1, characterized in that the transverse rail (21) and the longitudinal rail (31) are provided with graduation marks along their length.
4. The triaxial antenna scanning frame according to claim 1, characterized in that a handle (12) is arranged on the tripod (1), and the lifting action of the tripod (1) can be controlled by the handle (12).
CN202110890332.1A 2021-08-04 2021-08-04 Triaxial antenna scanning frame Active CN113612024B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110890332.1A CN113612024B (en) 2021-08-04 2021-08-04 Triaxial antenna scanning frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110890332.1A CN113612024B (en) 2021-08-04 2021-08-04 Triaxial antenna scanning frame

Publications (2)

Publication Number Publication Date
CN113612024A CN113612024A (en) 2021-11-05
CN113612024B true CN113612024B (en) 2024-03-26

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ID=78339443

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110890332.1A Active CN113612024B (en) 2021-08-04 2021-08-04 Triaxial antenna scanning frame

Country Status (1)

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CN (1) CN113612024B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201229382Y (en) * 2008-07-21 2009-04-29 西安电子科技大学 Multifunctional antennae test rotating platform
CN110645452A (en) * 2019-09-17 2020-01-03 厦门大学 Stable and firm folding type photographing bracket
CN210604990U (en) * 2019-03-14 2020-05-22 上海益麦电磁技术有限公司 Antenna phase center calibration clamp
CN112393073A (en) * 2020-11-16 2021-02-23 上海中振测量技术工程有限公司 Point location precision monitoring device of construction control net
CN212843518U (en) * 2020-09-27 2021-03-30 武汉地科精探科技有限公司 Automatic directional transient electromagnetic antenna device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201229382Y (en) * 2008-07-21 2009-04-29 西安电子科技大学 Multifunctional antennae test rotating platform
CN210604990U (en) * 2019-03-14 2020-05-22 上海益麦电磁技术有限公司 Antenna phase center calibration clamp
CN110645452A (en) * 2019-09-17 2020-01-03 厦门大学 Stable and firm folding type photographing bracket
CN212843518U (en) * 2020-09-27 2021-03-30 武汉地科精探科技有限公司 Automatic directional transient electromagnetic antenna device
CN112393073A (en) * 2020-11-16 2021-02-23 上海中振测量技术工程有限公司 Point location precision monitoring device of construction control net

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