Multi-section guide rod type antenna unfolding device

Abstract

The invention discloses a multi-section guide rod type antenna unfolding device, which is characterized in that a plurality of layers of movable brackets are sequentially stacked on a basic frame, a plurality of groups of guide rods are fixedly mounted on the plurality of layers of movable brackets in a one-to-one correspondence manner, and the movable brackets and the basic frame as well as the plurality of layers of movable brackets are respectively and movably connected through the plurality of groups of guide rods; the telescopic driving mechanism is used for driving the multiple layers of movable supports to be axially unfolded / folded in sequence along the multiple groups of guide rods, so that the unfolding and folding actions of the antenna unfolding device are realized through the parallel layout of the multiple sections of guide rods, the unfolding and folding ratio of antenna erection is remarkably improved, and the space is saved; the distance between the movable supports can be effectively adjusted when the movable supports are unfolded, the adaptability of the antenna unfolding device is greatly improved, the rigidity of the antenna unfolding device is improved through sliding fit between the guide rods of the supports on each layer and the supports on the upper layer and the lower layer, and the accuracy of an array plane is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of radar arrangement, and in particular to an antenna deployment device, in particular to a multi-section guide rod type antenna deployment device. Background Art

[0002] The size of the radar array determines the power of the radar, and the transportability of ground-based high-mobility radar limits the size of the radar array. The contradiction between the two needs to be resolved by an efficient and compact antenna deployment device.

[0003] Current radar antenna deployment methods include sleeve type, scissor fork type or antenna splicing type. These installation methods have complex structures, occupy large spaces, and have relatively small deployment sizes. They cannot meet usage requirements when vehicle-mounted radar space and load capacity are limited. Summary of the invention

[0004] In order to solve the technical problems existing in the background technology, the present invention proposes a multi-section guide rod type antenna deployment device, which realizes the deployment and folding action of the antenna deployment device by arranging multiple sections of guide rods in parallel, significantly improving the deployment ratio of the antenna installation and saving space.

[0005] The purpose of the present invention can be achieved by the following technical solutions:

[0006] A multi-section guide rod type antenna deployment device, comprising:

[0007] A basic frame, the basic frame comprising multiple layers of fixed brackets fixedly connected to each other;

[0008] The multi-layer mobile brackets are stacked on the basic frame in sequence, and multiple groups of guide rods are fixedly installed on the multi-layer mobile brackets one by one. The bottom mobile brackets and the basic frame and the multi-layer mobile brackets are movably connected by the multiple groups of guide rods, and the multi-layer fixed brackets and the multi-layer mobile brackets (2) are both provided with antenna installation blocks;

[0009] A telescopic driving mechanism, one end of which is connected to the basic frame, and the other end is connected to the top-layer movable bracket, so as to drive the multi-layer movable bracket to expand / contract axially along the multiple groups of guide rods in sequence.

[0010] Furthermore, the mobile bracket is provided with N (N is a natural number) layers, namely the 1st, 2nd, ..., X, ..., N (2<X≤N, X is a natural number) layers of mobile brackets, the 1st layer of mobile brackets are nested on the fixed brackets on the top layer, the 2nd layer of mobile brackets are nested on the 1st layer of mobile brackets, and the Xth layer of mobile brackets are nested on the X-1th layer of mobile brackets.

[0011] Furthermore, the first-layer mobile bracket is movably connected to the two layers of fixed brackets on the top of the basic frame through the first group of guide rods, the second-layer mobile bracket is movably connected to the fixed brackets on the top layer and the first-layer mobile bracket through the second group of guide rods, and the X-th-layer mobile bracket is movably connected to the X-1-th-layer mobile bracket and the X-2-th-layer mobile bracket through the X-th group of guide rods.

[0012] Furthermore, a plurality of first-type through holes are provided on the N-layer movable brackets and the two-layer fixed brackets at the top of the basic frame, the first group of guide rods sequentially pass through the first-type through holes on the two top layers of fixed brackets, the second group of guide rods sequentially pass through the first-type through holes on the top fixed bracket and the first-layer movable bracket, the X-th group of guide rods sequentially pass through the first-type through holes on the X-1-th layer movable bracket and the X-2-th layer movable bracket, and a sliding bushing matched with the guide rod is provided in the first-type through hole, and the guide rod is slidably connected in the sliding bushing.

[0013] Furthermore, the sliding bushing is limited by an upper end cover and a lower end cover provided at both ends of the first type through hole.

[0014] Furthermore, a limit stop shoulder is provided at one end of the guide rod connected to the movable bracket, and a limit block is installed at the other end of the guide rod through a double locking nut, so that when the telescopic driving mechanism drives the X-th layer of movable bracket to unfold, the limit block on the X-th group of guide rods abuts against the lower end cover of the first type of through hole on the X-2-th layer of movable bracket, and when the telescopic driving mechanism drives the X-th layer of movable bracket to fold, the limit stop shoulder on the X-th group of guide rods abuts against the upper end cover of the first type of through hole on the X-1-th layer of movable bracket.

[0015] Furthermore, the telescopic drive mechanism includes a fixed cylinder body and a telescopic rod, the fixed cylinder body is installed in the basic frame, the telescopic rod is connected to the first ear of the Nth layer of mobile bracket, and the 1st, 2nd...N-1th layer mobile brackets are respectively provided with second type through holes for the telescopic rod to pass through.

[0016] Furthermore, a connecting rod limiting mechanism is provided between the Nth layer of movable brackets and the N-1th layer of movable brackets to limit the distance between the Nth layer of movable brackets and the N-1th layer of movable brackets.

[0017] Furthermore, the connecting rod limiting mechanism includes an upper connecting rod and a lower connecting rod, the upper connecting rod is hinged to the second ear of the Nth layer movable bracket, the lower connecting rod is hinged to the third ear of the N-1th layer movable bracket, and the upper connecting rod and the lower connecting rod are hinged through a rotating shaft.

[0018] Furthermore, the connecting rod limiting mechanism also includes an adjusting pad block, which is connected to the upper connecting rod. Gaskets of different thicknesses can be installed under the adjusting pad block to adjust the distance between the Nth layer movable bracket and the N-1th layer movable bracket.

[0019] Beneficial effects of the present invention: The multi-section guide rod type antenna deployment device provided by the present application is achieved by stacking multiple layers of mobile brackets on a basic frame in sequence, and fixing multiple groups of guide rods on the multiple layers of mobile brackets in a one-to-one correspondence, and the mobile brackets and the multiple layers of mobile brackets are movably connected through multiple groups of guide rods respectively, and the multiple layers of mobile brackets are driven by a telescopic driving mechanism to sequentially expand / fold along the axial direction of the multiple groups of guide rods, thereby realizing the expansion and folding action of the antenna deployment device through the parallel layout of the multiple sections of guide rods, significantly improving the expansion and folding ratio of the antenna erection, and saving space, and by arranging upper and lower limit mechanisms on the guide rods, the spacing between the mobile brackets when deployed can be effectively adjusted, thereby greatly improving the adaptability of the antenna deployment device, and by slidingly cooperating the guide rods of each layer of the bracket with the upper and upper layer brackets, the rigidity of the antenna deployment device is improved, which is beneficial to the accuracy of the array. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the present invention when it is unfolded.

[0021] Figure 2 It is a schematic diagram of the present invention when folded.

[0022] Figure 3 This is a schematic diagram of the first-layer mobile bracket of the present invention.

[0023] Figure 4 It is a partial cross-sectional view of the first-layer movable support of the present invention.

[0024] Figure 5 It is a schematic diagram of the expansion of the 4th layer mobile bracket and the 3rd layer mobile bracket of the present invention. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] like Figure 1As shown, the present invention provides a multi-section guide rod type antenna deployment device, comprising: a basic frame 1, a multi-layer mobile bracket 2 stacked on the basic frame 1 in sequence, and a telescopic driving mechanism 4 connected between the basic frame 1 and the mobile bracket 2, the basic frame 1 comprises a multi-layer fixed bracket 11 fixedly connected to each other, a plurality of groups of guide rods 3 are fixedly installed on the multi-layer mobile bracket 2 in a one-to-one correspondence, the bottom layer of the mobile bracket 2 and the base frame 1 and the multi-layer mobile bracket 2 are respectively movably connected through the plurality of groups of guide rods 3, the multi-layer fixed bracket 11 and the multi-layer mobile bracket 2 are both provided with an antenna mounting block 5, one end of the telescopic driving mechanism 4 is connected to the basic frame 1, and the other end is connected to the top layer of the mobile bracket 2, so as to drive the multi-layer mobile bracket 2 to sequentially expand / fold axially along the plurality of groups of guide rods 3, and the expansion and folding action of the antenna deployment device is realized by the parallel arrangement of the multi-section guide rods 3, which significantly improves the expansion and folding ratio of the antenna erection and saves space.

[0027] Specifically, the fixed bracket 11 is provided with four layers, and the mobile bracket 2 is provided with four layers. Both the fixed bracket 11 and the mobile bracket 2 are composed of a mounting bracket 26 and an extension bracket 27 connected to both ends of the mounting bracket 26. The antenna mounting blocks 5 are equidistantly arranged on the mounting bracket 26 and the extension bracket 27 of the fixed bracket 11 / mobile bracket 2. The antenna mounting blocks 5 on the four-layer fixed bracket 11 are aligned with the antenna mounting blocks 5 on the four-layer mobile bracket 2 with equal spacing. Each group of guide rods 3 has two guide rods 3 arranged opposite to each other, and the two guide rods 3 are respectively fixedly connected to both ends of the mounting bracket 26.

[0028] The first layer mobile bracket 2 is nested on the fourth layer fixed bracket 11, the second layer mobile bracket 2 is nested on the first layer mobile bracket 2, the third layer mobile bracket 2 is nested on the second layer mobile bracket 2, and the fourth layer mobile bracket 2 is nested on the third layer mobile bracket 2 to reduce the height of the multiple layers of mobile brackets 2 when they are folded.

[0029] The first-layer mobile bracket 2 is movably connected to the third-layer fixed bracket 11 and the fourth-layer fixed bracket 11 through the first group of guide rods 3, the second-layer mobile bracket 2 is movably connected to the fourth-layer fixed bracket 11 and the first-layer mobile bracket 2 through the second group of guide rods 3, the third-layer mobile bracket 2 is movably connected to the second-layer mobile bracket 2 and the first-layer mobile bracket 2 through the third group of guide rods 3, and the fourth-layer mobile bracket 2 is movably connected to the third-layer mobile bracket 2 and the second-layer mobile bracket 2 through the fourth group of guide rods 3.

[0030] The third-layer fixed bracket 11 is provided with two first-type through holes 21 corresponding to the first group of guide rods 3, the fourth-layer fixed bracket 11 is provided with two first-type through holes 21 corresponding to the first group of guide rods 3 and two first-type through holes 21 corresponding to the second group of guide rods 3, the first-layer movable bracket 2 is provided with two first-type through holes 21 corresponding to the second group of guide rods 3 and two first-type through holes 21 corresponding to the third group of guide rods 3, the second-layer movable bracket 2 is provided with two first-type through holes 21 corresponding to the third group of guide rods 3 and two first-type through holes 21 corresponding to the fourth group of guide rods 3, and the third-layer movable bracket 2 is provided with two first-type through holes 21 corresponding to the fourth group of guide rods 3.

[0031] The first group of guide rods 3 sequentially pass through the first type through holes 21 on the fourth layer fixed bracket 11 and the third layer fixed bracket 11, the second group of guide rods 3 sequentially pass through the first type through holes 21 on the first layer mobile bracket 2 and the fourth layer fixed bracket 11, the third group of guide rods 3 sequentially pass through the first type through holes 21 on the second layer mobile bracket 2 and the first layer mobile bracket 2, and the fourth group of guide rods 3 sequentially pass through the first type through holes 21 on the third layer mobile bracket 2 and the second layer mobile bracket 2, and the first type through holes 21 are provided with sliding bushings 22 adapted to the guide rods 3, and the guide rods 3 are slidably connected in the sliding bushings 22. The guide rods 3 on each layer of brackets are slidably matched with the sliding bushings 22 on the upper layer and the upper upper layer brackets, which significantly improves the rigidity of the antenna deployment device and is beneficial to the accuracy of the array.

[0032] The sliding bushing 22 is limited by the upper end cover 23 and the lower end cover 24 arranged at both ends of the first type through hole 21. A limit stop shoulder 31 is provided at one end of the guide rod 3 connected to the movable bracket 2, and a limit block 32 is installed at the other end of the guide rod 3 through a double locking nut.

[0033] When the telescopic driving mechanism 4 drives the mobile bracket 2 to unfold, the limit block 32 on the first group of guide rods 3 abuts against the lower end cover 24 of the first type of through hole 21 on the third layer of fixed bracket 11, the limit block 32 on the second group of guide rods 3 abuts against the lower end cover 24 of the first type of through hole 21 on the fourth layer of fixed bracket 11, the limit block 32 on the third group of guide rods 3 abuts against the lower end cover 24 of the first type of through hole 21 on the first layer of mobile bracket 2, and the limit block 32 on the fourth group of guide rods 3 abuts against the lower end cover 24 of the first type of through hole 21 on the second layer of mobile bracket 2; When the telescopic driving mechanism 4 drives the mobile bracket 2 to retract, the limiting stop shoulder 31 on the first group of guide rods 3 abuts against the upper end cover 23 of the first type of through hole 21 on the fourth layer of fixed bracket 11, the limiting stop shoulder 31 on the second group of guide rods 3 abuts against the upper end cover 23 of the first type of through hole 21 on the first layer of mobile bracket 2, the limiting stop shoulder 31 on the third group of guide rods 3 abuts against the upper end cover 23 of the first type of through hole 21 on the second layer of mobile bracket 2, and the limiting stop shoulder 31 on the fourth group of guide rods 3 abuts against the upper end cover 23 of the first type of through hole 21 on the third layer of mobile bracket 2. By providing limiting mechanisms such as the limiting stop shoulder 31 and the limiting block 32 at both ends of the guide rod 3, the distance between two adjacent layers of mobile brackets 2 can be effectively adjusted, thereby improving the adaptability of the antenna deployment device.

[0034] The telescopic drive mechanism 4 includes a fixed cylinder body 41 and a telescopic rod 42. The fixed cylinder body 41 is installed in the basic frame 1. The telescopic rod 42 is connected to the first ear 43 of the 4th layer mobile bracket 2. The 1st, 2nd and 3rd layer mobile brackets 2 are respectively provided with a second type through hole 25 for the telescopic rod 42 to pass through.

[0035] A connecting rod limiting mechanism 6 is provided between the fourth-layer mobile bracket 2 and the third-layer mobile bracket 2 to limit the spacing between the fourth-layer mobile bracket 2 and the third-layer mobile bracket 2. The connecting rod limiting mechanism 6 comprises an upper connecting rod 61, a lower connecting rod 62 and an adjusting pad 65, wherein the upper connecting rod 61 is hinged to the second lug 63 of the fourth-layer mobile bracket 2, the lower connecting rod 62 is hinged to the third lug 64 of the third-layer mobile bracket 2, the upper connecting rod 61 and the lower connecting rod 62 are hinged through a rotating shaft, the adjusting pad 65 is connected to the upper connecting rod 61, and gaskets of different thicknesses can be installed at the lower part of the adjusting pad 65 to adjust the spacing between the fourth-layer mobile bracket 2 and the third-layer mobile bracket 2, so that the spacing between the fourth-layer mobile bracket 2 and the third-layer mobile bracket 2 after unfolding is equal to the spacing between the first, second and third-layer mobile brackets 2 after unfolding.

[0036] The above contents are merely examples and explanations of the structure of the present invention. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the invention or exceed the scope defined by the claims, they should all fall within the protection scope of the present invention.

Claims

1. A multi-section guide rod type antenna deployment device, characterized in that: include: A basic frame (1), the basic frame (1) comprising multiple layers of fixed brackets (11) fixedly connected to each other; A multi-layer movable bracket (2), wherein the multi-layer movable bracket (2) is stacked on the basic frame (1) in sequence, and a plurality of groups of guide rods (3) are fixedly installed on the multi-layer movable bracket (2) in a one-to-one correspondence manner, and the bottom layer movable bracket (2) and the basic frame (1) as well as the multi-layer movable brackets (2) are movably connected via the plurality of groups of guide rods (3), and the multi-layer fixed bracket (11) and the multi-layer movable bracket (2) are both provided with antenna installation blocks (5); A telescopic driving mechanism (4) is connected at one end to the base frame (1) and at the other end to the top-layer movable bracket (2) to drive the multi-layer movable brackets (2) to be axially expanded / retracted in sequence along the multiple groups of guide rods (3).

2. The multi-section guide rod type antenna deployment device according to claim 1, characterized in that: The mobile bracket (2) is provided with N (N is a natural number) layers, which are the 1st, 2nd, ..., X, ..., N (2<X≤N, X is a natural number) layers of mobile brackets (2) in sequence, the 1st layer of mobile brackets (2) are nested on the top layer of fixed brackets (11), the 2nd layer of mobile brackets (2) are nested on the 1st layer of mobile brackets (2), and the Xth layer of mobile brackets (2) are nested on the X-1th layer of mobile brackets (2).

3. The multi-section guide rod type antenna deployment device according to claim 2, characterized in that: The first-layer movable bracket (2) is movably connected to the two layers of fixed brackets (11) on the top of the basic frame (1) through the first group of guide rods (3); the second-layer movable bracket (2) is movably connected to the top-layer fixed bracket (11) and the first-layer movable bracket (2) through the second group of guide rods (3); and the Xth-layer movable bracket (2) is movably connected to the X-1st-layer movable bracket (2) and the X-2nd-layer movable bracket (2) through the Xth group of guide rods (3).

4. The multi-section guide rod type antenna deployment device according to claim 3, characterized in that: A plurality of first-type through holes (21) are provided on the N-layer movable bracket (2) and the two-layer fixed bracket (11) at the top of the basic frame (1); the first group of guide rods (3) sequentially pass through the first-type through holes (21) on the two top layers of fixed brackets (11); the second group of guide rods (3) sequentially pass through the first-type through holes (21) on the top fixed bracket (11) and the first-layer movable bracket (2); the X-th group of guide rods (3) sequentially pass through the first-type through holes (21) on the X-1-th layer movable bracket (2) and the X-2-th layer movable bracket (2); a sliding bushing (22) matched with the guide rod (3) is provided in the first-type through hole (21); the guide rod (3) is slidably connected in the sliding bushing (22).

5. The multi-section guide rod type antenna deployment device according to claim 4, characterized in that: The sliding bushing (22) is limited by an upper end cover (23) and a lower end cover (24) which are arranged at both ends of the first type through hole (21).

6. The multi-section guide rod type antenna deployment device according to claim 5, characterized in that: One end of the guide rod (3) connected to the movable bracket (2) is provided with a limit stop shoulder (31), and the other end of the guide rod (3) is installed with a limit block (32) via a double locking nut, so that when the telescopic drive mechanism (4) drives the Xth layer movable bracket (2) to unfold, the limit block (32) on the Xth group of guide rods (3) abuts against the lower end cover (24) of the first type through hole (21) on the X-2th layer movable bracket (2), and when the telescopic drive mechanism (4) drives the Xth layer movable bracket (2) to retract, the limit stop shoulder (31) on the Xth group of guide rods (3) abuts against the upper end cover (23) of the first type through hole (21) on the X-1th layer movable bracket (2).

7. The multi-section guide rod type antenna deployment device according to claim 6, characterized in that: The telescopic drive mechanism (4) comprises a fixed cylinder body (41) and a telescopic rod (42), wherein the fixed cylinder body (41) is installed in a base frame (1), the telescopic rod (42) is connected to a first support ear (43) of an N-th layer of movable bracket (2), and second type through holes (25) for the telescopic rod (42) to pass through are respectively provided on the 1st, 2nd, ... N-1st layers of movable brackets (2).

8. The multi-section guide rod type antenna deployment device according to claim 7, characterized in that: A connecting rod limiting mechanism (6) is provided between the Nth layer movable bracket (2) and the N-1th layer movable bracket (2) to limit the distance between the Nth layer movable bracket (2) and the N-1th layer movable bracket (2).

9. The multi-section guide rod type antenna deployment device according to claim 8, characterized in that: The connecting rod limiting mechanism (6) comprises an upper connecting rod (61) and a lower connecting rod (62); the upper connecting rod (61) is hinged to the second support ear (63) of the Nth layer movable bracket (2); the lower connecting rod (62) is hinged to the third support ear (64) of the N-1th layer movable bracket (2); and the upper connecting rod (61) and the lower connecting rod (62) are hinged via a rotating shaft.

10. The multi-section guide rod type antenna deployment device according to claim 9, characterized in that: The connecting rod limiting mechanism (6) also includes an adjusting pad (65), which is connected to the upper connecting rod (61). Gaskets of different thicknesses can be installed at the bottom of the adjusting pad (65) to adjust the distance between the Nth layer movable bracket (2) and the N-1th layer movable bracket (2).

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