CN215008541U

CN215008541U - Adjustable three-dimensional transmitting antenna installing support of quick assembly disassembly

Info

Publication number: CN215008541U
Application number: CN202120022539.2U
Authority: CN
Inventors: 傅军; 常扬; 李豹; 查峰; 宁治文
Original assignee: Naval University of Engineering PLA
Current assignee: Naval University of Engineering PLA
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-12-03
Anticipated expiration: 2031-01-06

Abstract

The utility model discloses a quick assembly disassembly adjustable three-way transmitting antenna mounting bracket, which comprises a main antenna, an oblique rod and a small antenna; the main antenna is provided with a hoop, the lower end of the diagonal rod is connected with the lower end of the hoop, the upper end of the hoop is connected with one end of a short connecting rod, and the other end of the short connecting rod is connected with the middle section of the diagonal rod; the upper end of the diagonal rod is connected with an upright post, a dial is arranged on the upright post, one end of the rotating plate is arranged at the center of the dial and can rotate along the circumferential direction of the dial, and the other end of the rotating plate is connected with a small antenna. The device of the utility model is simple in structure, spare part is few, but quick assembly disassembly easily reaches the spare part maintenance. The device is small in size, the support can be mounted and dismounted as required, the occupied space is small during storage, and transportation is convenient. Signal interference from three different directions simultaneously may be implemented. Each diagonal pole can be provided with a transmitting antenna (small antenna), and the position can be flexibly adjusted. Low cost and wide application range.

Description

Adjustable three-dimensional transmitting antenna installing support of quick assembly disassembly

Technical Field

The utility model belongs to satellite navigation is antenna boom for the signal interference, concretely relates to adjustable three-dimensional transmitting antenna installing support of quick assembly disassembly.

Background

Satellite navigation is widely used for civil use and is an indispensable navigation mode at present. In order to test the anti-interference capability of the satellite navigation antenna and the navigation signal receiver, experiments such as suppression, deception and the like need to be carried out on the satellite receiving device. In order to detect the anti-interference capability of the satellite receiving antenna, a signal interference source is required to simultaneously generate a suppression signal or a spoofing signal to a receiving device from multiple directions, so that the omni-directional suppression and spoofing are implemented. In the experiment, the position of the signal transmitting antenna needs to be fixed by using the antenna bracket.

In the prior art, a fixed antenna bracket is generally used and a transmitting antenna is installed, and an antenna mast is generally bound to the fixed bracket by a fastening belt. The fixed antenna support is large in size, large in occupied space and not easy to transport. The fixed antenna support installation flow is complicated, if need be when a plurality of directions experiments, fixed antenna support need install fixed one by one in equidirectional and position, and the installation is wasted time and energy. Fixed antenna boom spare part is difficult to overhaul and change when damaging. The fixed antenna support can carry out detection experiment mode single, be difficult to the nimble adjustment to the device, can not change transmitting antenna's position, height and horizontal direction contained angle isoparametric at will, hardly verify the produced signal attenuation size of different wireless propagation distance, different transmission receiving angle. The fixed support has poor use effect in satellite signal stability experiment tests and needs to be further improved.

The invention content is as follows:

the utility model aims at providing an adjustable three-dimensional transmitting antenna installing support of quick assembly disassembly can to overcome the problem that exists among the background art, can be with a plurality of dismantled and assembled lamella formula modules, can assemble into the simple and easy, the position angularly adjustable antenna boom device of an integration fast.

In order to realize the purpose, the technical scheme of the utility model is that:

a quick-dismounting adjustable three-way transmitting antenna mounting bracket comprises a main antenna, an oblique rod and a small antenna; the main antenna is provided with a hoop, the lower end of the diagonal rod is connected with the lower end of the hoop, the upper end of the hoop is connected with one end of a short connecting rod, and the other end of the short connecting rod is connected with the middle section of the diagonal rod;

the upper end of the diagonal rod is connected with an upright post, a dial is arranged on the upright post, one end of the rotating plate is arranged at the center of the dial and can rotate along the circumferential direction of the dial, and the other end of the rotating plate is connected with a small antenna.

Preferably, the dial is provided with a chute, the rotating plate is provided with an adjusting screw corresponding to the chute, the adjusting screw can slide in the chute, and the rotating plate rotates along the circumferential direction of the dial along with the adjusting screw; the adjustment screw comprises an adjustment screw.

Preferably, the dial plate is provided with a through hole corresponding to the screw hole, and the dial plate and the rotating plate are connected together by the central hexagon screw penetrating through the screw hole and the through hole.

Preferably, the central line of the upright post is coincident with the extension line of the central line of the inclined rod.

Preferably, the clamp is a large clamp or a small clamp; the clamp includes a front side and a rear side that are joined together to form a hollow cylindrical clamp.

Preferably, the clamp is disposed on the upper portion of the main antenna and is 200-390 mm away from the top end of the main antenna.

Preferably, the antenna comprises at least three inclined rods and three small antennas, wherein the three inclined rods are uniformly distributed along the outer edge of the hoop.

Preferably, a quick-release adjustable mounting bracket for a three-way radiating antenna according to claim 1, further comprising: the upright post is connected with the top end of the diagonal rod through a countersunk head screw.

Preferably, the top end of the rotating plate is connected to the small antenna through a combination joint, and the combination joint comprises a thread combination joint.

Preferably, the middle section welding with the down tube of short connecting rod has the connecting rod to connect, and the connecting rod connects and passes through hex bolts can dismantle with the one end of short connecting rod and be connected, and the other end and the clamp of short connecting rod also are for dismantling to be connected.

The beneficial effects of the utility model reside in that: the device has simple structure, few parts, quick assembly and disassembly and easy maintenance of the parts. The device is small in size, the support can be mounted and dismounted as required, the occupied space is small during storage, and transportation is convenient. The bracket is designed into three petal type foldable movable oblique rods with included angles of 120 degrees, and can implement signal interference from three different directions simultaneously. Each diagonal pole can be provided with a transmitting antenna (small antenna), and the position can be flexibly adjusted. The three-dimensional installation design of the support simplifies a complex structure, can efficiently utilize space and saves devices and circuits. The device can be used for carrying out suppression and deception experiments on satellite navigation information, conveniently changing the position, height, alignment angle and other parameters of the interference transmitting antenna in the experiment process, verifying the signal attenuation generated by different wireless propagation distances and different transmitting and receiving angles, comprehensively testing the signal receiving anti-interference capacity of the satellite receiving device, and also improving the equipment setting and using efficiency. Low cost and wide application range.

Drawings

Fig. 1 is a schematic structural view of a quick-mounting adjustable three-way radiating antenna mounting bracket device (inner diameter 292mm) according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a quick-mounting adjustable three-way transmitting antenna mounting bracket device (inner diameter 94mm) according to an embodiment of the present invention;

fig. 3 is a schematic structural view of an index plate according to an embodiment of the present invention.

In the figure: 1-large hoop, 2-inclined rod hexagon socket head cap screw, 3-inclined rod, 4-short connecting rod, 5-connecting rod joint, 6-countersunk screw, 7-dial, 8-small antenna, 9-main antenna, 10-small hoop, 11-upright post, 12-central hexagon screw, 13-adjusting screw, 14-M16 and 5/8-11 combined joint and 15-rotating plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

A quick-dismounting adjustable three-way transmitting antenna mounting bracket comprises a main antenna 9, an oblique rod 3 and a small antenna 8; a hoop is arranged on the main antenna 9, the lower end of the diagonal rod 3 is connected with the lower end of the hoop, the upper end of the hoop is connected with one end of the short connecting rod 4, and the other end of the short connecting rod 4 is connected with the middle section of the diagonal rod 3;

the upper end of the diagonal rod 3 is connected with an upright post 11, the upright post 11 is provided with a dial 7, one end of a rotating plate 15 is arranged at the center of the dial 7 and can rotate along the circumferential direction of the dial 7, and the other end of the rotating plate 15 is connected with a small antenna 8.

The dial 7 is provided with a sliding groove, the rotating plate 15 is provided with an adjusting screw 13 corresponding to the sliding groove, the adjusting screw 13 can slide in the sliding groove, and the rotating plate 15 rotates along the circumferential direction of the dial 7 along with the adjusting screw 13; the adjustment screw 13 comprises an adjustment screw 13.

The center of the dial plate 7 is provided with a screw hole, the rotating plate 15 is provided with a through hole corresponding to the screw hole, and the central hexagon screw 12 penetrates through the screw hole and the through hole to connect the dial plate 7 and the rotating plate 15 together.

The central line of the upright post 11 is superposed with the extension line of the central line of the inclined rod 3.

The clamp is a large clamp 1 or a small clamp 10; the clamp includes a front side and a rear side that are joined together to form a hollow cylindrical clamp.

The clamp sets up in main antenna 9 upper segment, apart from 9 top ends 200 ~ 390mm of main antenna.

The antenna comprises at least three inclined rods 3 and three small antennas 8, wherein the three inclined rods 3 are uniformly distributed along the outer edge of a hoop.

The upright post 11 is connected with the top end of the diagonal rod 3 through a countersunk head screw 6.

The top end of the swivel plate 15 is connected to the small antenna 8 by a combination joint, including M16 and 5/8-11 thread combination type joints.

The middle section welding with down tube 3 of short connecting rod 4 has connecting rod to connect 5, and connecting rod connects 5 and can dismantle through hex bolts with the one end of short connecting rod 4 and be connected, and the other end and the clamp of short connecting rod 4 also are for dismantling to be connected.

The adjustable three-way transmitting antenna installing support device capable of being quickly disassembled and assembled has the advantages of being simple in structure, few in parts, capable of being quickly disassembled and assembled, and easy to maintain. The device is small in size, the support can be mounted and dismounted as required, the occupied space is small during storage, and transportation is convenient. The bracket is designed into three petal type foldable movable oblique rods with included angles of 120 degrees, and can implement signal interference from three different directions simultaneously. Each diagonal pole can be provided with a transmitting antenna (small antenna), and the position can be flexibly adjusted. The three-dimensional installation design of the support simplifies a complex structure, can efficiently utilize space and saves devices and circuits. The device can be used for carrying out suppression and deception experiments on satellite navigation information, conveniently changing the position, height, alignment angle and other parameters of the interference transmitting antenna in the experiment process, verifying the signal attenuation generated by different wireless propagation distances and different transmitting and receiving angles, comprehensively testing the anti-interference capacity of signal reception of the satellite receiving device, and improving the equipment setting and using efficiency. Low cost and wide application range.

The utility model discloses an adjustable three-dimensional emitting antenna installing support device of quick assembly disassembly (internal diameter 292mm) schematic structure is illustrated as in FIG. 1, and an adjustable three-dimensional emitting antenna installing support device of quick assembly disassembly (internal diameter 94mm) schematic structure is illustrated as in FIG. 2, and two kinds of device structures except main antenna internal diameter size and clamp internal diameter variation in size, all the other structures are the same.

A quick-dismounting adjustable three-way transmitting antenna mounting bracket device (inner diameter 292mm) specifically comprises a large hoop 1, a diagonal rod inner hexagonal screw 2, a diagonal rod 3, a short connecting rod 4, a connecting rod joint 5, a countersunk screw 6, a dial 7, a small antenna 8 and a main antenna 9.

A quick-dismounting adjustable three-way transmitting antenna mounting bracket device (with an inner diameter of 94mm) specifically comprises a diagonal bar inner hexagonal screw 2, a diagonal bar 3, a short connecting rod 4, a connecting rod joint 5, a countersunk screw 6, a dial 7, a small antenna 8, a main antenna 9 and a small hoop 10.

The large hoop 1 is divided into a front part and a rear part, the front part and the rear part can be combined into a whole or disassembled into two halves, and the front part and the rear part are fastened and connected through a left screw and a right screw during combination, are annular in shape and are fixed on the main antenna 9. The middle position of the front part of the large hoop 1 is connected with a short connecting rod 4, the rear part of the large hoop 1 is connected with an oblique short connecting rod 4 at the left end and the right end respectively, when the large hoop 1 is in a combined state, the front part and the rear part are connected with three short connecting rods 4 together, and the three short connecting rods form an included angle of 120 degrees. The large yoke 1 is fastened to the main antenna 9 rod by means of socket head cap screws M10 x 60. The mounting position of the large clamp 1 can be adjusted within a range of 240mm to 440mm from the top end of the main antenna mast.

The small hoop 10 is divided into a front part and a rear part, the front part and the rear part can be combined into a whole or disassembled into two halves, and the front part and the rear part are fastened and connected by a left screw and a right screw during combination, are annular in shape and are fixed on the main antenna 9. The middle position of the front part of the small hoop 10 is connected with a short connecting rod 4, the left end and the right end of the rear part of the large hoop 1 are respectively connected with an oblique short connecting rod 4, when the small hoop 10 is in a combined state, the front end and the rear end of the small hoop are connected with three short connecting rods 4, and the three short connecting rods form an included angle of 120 degrees. The small clip 10 is fastened to the main antenna 9 rod by means of socket head cap screws M10 x 50. The mounting position of the small hoop 10 can be adjusted within a range of 200 mm-390 mm from the top end of the main antenna mast.

The big clamp is used for installing on the antenna column that the external diameter is 292mm, and the little clamp is used for installing on the antenna column that the external diameter is 94 mm.

The inclined rod 3 is connected with the large hoop 1 (or the small hoop 10) at the bottom position by an inclined rod inner hexagon screw 2, the inclined rod 3 is in argon arc welding with the connecting rod joint 5 at the middle position and is connected together by an inner hexagon screw M8 multiplied by 45. The link joint 5 is connected with the short link 4 by a screw. The inclined rod 3 is detachable from the screw connection part of the large clamp 1 (or the small clamp 10) and the short connecting rod 4.

A schematic structural view of a quick-release adjustable dial 7 of a three-way radiating antenna mounting bracket device according to this embodiment is shown in fig. 3. The dial 7 comprises an upright post 11, a central socket head cap screw 12, an adjusting screw 13, M16 and 5/8-11 combined joints 14, a rotating plate 15 and the dial 7.

The M16 and 5/8-11 combined joint 14 and the rotating plate 15 are argon-arc welded together, the dial 7 and the upright post 11 are argon-arc welded together, and then the M8X 25 inner center hexagon screws 12 are used for connecting together.

The top of the diagonal rod 3 is connected with a dial 7 by a sunk screw 6.

The upright post 11 and the rotating plate 15 are fastened together by a central hexagonal screw 12.

The scale disc 7 is marked with numbers 0, 15, 30, 45, 60, 75, 90 and the like which respectively represent the scales of the included angles with the horizontal line.

The position of the rotating plate 15 can be adjusted by loosening and tightening the adjusting screw 13 (dial hexagon socket head cap screw), so that the outer side end of the rotating plate 15 rotates to the corresponding positions of different angles, and the pitching change of the antenna support is realized.

The M16 and 5/8-11 combination connector 14 is connectable to a small antenna 8 and is rotatably mounted by connector threads.

In this embodiment, the main antenna 9 is used for receiving normal satellite signals, such as COMPASS satellite signals, GPS satellite signals, GNSS satellite signals, GLONASS satellite signals, and the like. The satellite signal received by the main antenna 9 is transmitted to the satellite navigation receiver to display information such as time, position, velocity, and the like.

In the present embodiment, the small antenna 8 functions to suppress or spoof signals transmitted from a satellite that is a signal suppression source or a spoof source, and transmits the signals through the small antenna 8, and performs suppression, spoofing, and the like on the main antenna 9. The signal that the antenna launches passes through the propagation in the air, and intensity can cause certain decay, and different distance attenuation degree is different, and the adjustable structure of every single move can set up different propagation distances, verifies the interference degree of different decay signals to satellite signal receiving arrangement.

In this embodiment, the dial 7 is used to adjust an included angle between a straight line to which the center position of the small antenna 8 is aligned and a horizontal plane, the included angle is adjusted within a range from-90 degrees to 90 degrees, and the center position of the small antenna 8 can be directly aligned to the main antenna 9 by adjusting the included angle, so that attenuation in a signal propagation process is reduced, and the main antenna 9 obtains maximum interference power. Meanwhile, by adjusting different included angles, the signal attenuation condition under the condition that the straight line opposite to the center position of the small antenna 8 and the main antenna 9 have different included angles can be verified.

In practice, each module of the quick-dismounting adjustable three-way transmitting antenna mounting bracket device can be connected with each other through screws and screws, the fixed positions of the large hoop 1 (or the small hoop 10) and the main antenna 9 are reasonably selected, the rotating plate 15 is adjusted to a proper position, the central position of the small antenna 8 is just opposite to the central position of the main antenna 9, and then experimental measurement can be started. After a group of data is measured, the fixed positions of the large hoop 1 (or the small hoop 10) and the main antenna 9, the scale position of the rotating plate 15 and the right angle of the small antenna can be adjusted again, and pitching adjustment is achieved. In addition, three petal type supports which form an angle of 120 degrees with each other can work simultaneously, are used for simulating different directions to simultaneously implement signal interference and deception, and can simultaneously verify the stability and the maximum interference power of the satellite signal receiving device under the conditions of signal suppression and interference in three different directions. And the bracket which is not needed to be used in the three flap type brackets can be removed according to actual requirements, and only one bracket or part of the brackets are used for carrying out measurement experiments. Three contained angles of mountable are three transmitting antenna of 120 degrees each other, and after the position can be adjusted in a flexible way and measure, dismantle into the part with the support, deposit alone respectively, and wherein, adjustable short connecting rod 4 merges with big clamp 1 (or little clamp 10) and is in the same place, great saving storage space.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims. Parts of the description that are not described in detail are known to the person skilled in the art.

Claims

1. The utility model provides an adjustable three-dimensional transmitting antenna installing support of quick assembly disassembly which characterized in that: comprises a main antenna (9), a diagonal rod (3) and a small antenna (8); a hoop is arranged on the main antenna (9), the lower end of the inclined rod (3) is connected with the lower end of the hoop, the upper end of the hoop is connected with one end of a short connecting rod (4), and the other end of the short connecting rod (4) is connected with the middle section of the inclined rod (3);

the upper end of down tube (3) is connected with stand (11), be equipped with calibrated scale (7) on stand (11), the one end of rotor plate (15) set up in the center department of calibrated scale (7) to can follow the circumferencial direction of calibrated scale (7) rotates, the other end of rotor plate (15) is connected little antenna (8).

2. The quick connect disconnect adjustable three-way radiating antenna mounting bracket of claim 1, wherein: a sliding groove is formed in the dial plate (7), an adjusting screw (13) corresponding to the sliding groove is arranged on the rotating plate (15), the adjusting screw (13) can slide in the sliding groove, and the rotating plate (15) rotates along the circumferential direction of the dial plate (7) along with the adjusting screw (13); the adjusting screw (13) comprises an adjusting screw (13).

3. The quick connect disconnect adjustable three-way radiating antenna mounting bracket of claim 1, wherein: the center department of calibrated scale (7) is equipped with the screw, rotor plate (15) be equipped with the through-hole that the screw corresponds, central hex head cap screw (12) pass the screw with the through-hole will calibrated scale (7) with rotor plate (15) link together.

4. The quick connect disconnect adjustable three-way radiating antenna mounting bracket of claim 1, wherein: the central line of the upright post (11) is superposed with the extension line of the central line of the inclined rod (3).

5. The quick connect disconnect adjustable three-way radiating antenna mounting bracket of claim 1, wherein: the clamp is a large clamp (1) or a small clamp (10); the clamp includes a front side and a rear side, the front side and the rear side being connected together to form a hollow cylindrical clamp.

6. The quick connect disconnect adjustable three-way radiating antenna mounting bracket of claim 1, wherein: the clamp sets up main antenna (9) upper segment, distance main antenna (9) top 200 ~ 390 mm.

7. The quick connect disconnect adjustable three-way radiating antenna mounting bracket of claim 1, wherein: including at least three down tube (3) and three little antenna (8), three down tube (3) are followed clamp outer fringe equipartition sets up.

8. The quick connect disconnect adjustable three-way radiating antenna mounting bracket of claim 1, wherein: the quick connect disconnect adjustable three-way radiating antenna mounting bracket of claim 1, wherein: the upright post (11) is connected with the top end of the inclined rod (3) through a sunk screw (6).

9. The quick connect disconnect adjustable three-way radiating antenna mounting bracket of claim 1, wherein: the top end of the rotating plate (15) is connected with the small antenna (8) through a combined joint, and the combined joint comprises a thread combined joint (14).

10. The quick connect disconnect adjustable three-way radiating antenna mounting bracket of claim 1, wherein: the utility model discloses a clamp, including the clamp, the connection of short connecting rod (4) with the middle section welding of down tube (3) has connecting rod to connect (5), connecting rod connect (5) with the connection can be dismantled through the hex bolts to the one end of short connecting rod (4), the other end of short connecting rod (4) with the clamp also is for dismantling the connection.