Antenna expansion device

Abstract

The utility model discloses an antenna expansion device, which comprises a holding pole, an antenna installation box, a connection main board, a holding pole clamping structure and an expandable auxiliary board, the front surface of the connection main board is connected with the antenna installation box, the back surface of the connection main board is connected with the holding pole clamping structure, and the side surface of the connection main board is detachably connected with the expandable auxiliary board. And the extensible subplate is connected with the antenna mounting box. According to the high-altitude signal tower, more antennas can be contained in a limited space, the space utilization rate of the high-altitude signal tower is improved, forward installation of one group of antennas and extensible side installation of three groups of antennas can be achieved, flexibility is high, and meanwhile the high-altitude signal tower is simple in structure, convenient to install and suitable for high-altitude operation.

Description

Technical Field

[0001] The utility model relates to the technical field of communication antenna equipment, in particular to an antenna expansion device. Background Art

[0002] The space of a high-altitude signal tower is usually limited, so an antenna device is needed that can accommodate more antennas in a limited space. Existing antenna extension devices, such as the utility model patent with Chinese patent publication number CN215911576U, discloses an anti-interference device based on a half-angle grid antenna extension board, which increases the number of antennas by adding several brackets to the grid extension board to support several antennas. The structure is relatively complex, and the installation area of ​​the grid extension board is large, which is inconvenient to install during high-altitude operations. Utility Model Content

[0003] Purpose of the utility model: The purpose of the utility model is to provide an antenna extension device which has a simple structure, is easy to install, and can be installed both frontally and sideways.

[0004] Technical solution: The utility model is an antenna extension device, including a pole, an antenna installation box, a connecting main board, a pole clamping structure and an expandable sub-board. The front side of the connecting main board is connected to the antenna installation box, and the back side is connected to the pole clamping structure. The side of the connecting main board is detachably connected to the expandable sub-board, and the expandable sub-board is connected to the antenna installation box.

[0005] Furthermore, the pole clamping structure includes a front clamping plate and a rear clamping plate, and the front clamping plate and the rear clamping plate are fixed to the pole by bolt connection.

[0006] Furthermore, a first guide structure is provided on the front clamping plate, a first slide groove structure matching the first guide structure is provided on the back of the connecting main board, and a first limiting structure is provided above the first slide groove structure.

[0007] Furthermore, the first sliding groove structure and the first guide structure are fixedly connected by bolts.

[0008] Furthermore, a second slide groove structure is provided on the side of the expandable sub-plate, and a second limiting structure matching the second slide groove structure is provided on the side of the connecting main plate.

[0009] Furthermore, the second sliding groove structure and the second limiting structure are fixedly connected by bolts.

[0010] Furthermore, the expandable sub-plate is fixedly connected to the antenna mounting box by bolts.

[0011] Beneficial effects: Compared with the prior art, the utility model has the following advantages: (1) The utility model improves the space utilization rate of the high-altitude signal tower by accommodating more antennas in a limited space; (2) The utility model can realize one group of antennas installed frontally and three groups of antennas installed sideways, which is highly flexible; (3) The utility model has a simple structure and is easy to install, and is suitable for high-altitude operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the expandable side-mounted structure of three groups of antennas in the utility model;

[0013] Figure 2 This is a schematic diagram of the front-mounted structure of a group of antennas of the utility model;

[0014] Figure 3 This is a schematic diagram of the pole clamping structure of the utility model;

[0015] Figure 4 This is a top view of the pole clamping structure of the utility model;

[0016] Figure 5 This is a top view of the mainboard structure connected to the utility model;

[0017] Figure 6 This is a schematic diagram of the structure of the mainboard connected to the utility model;

[0018] Figure 7 This is a schematic diagram of the structure of the expandable sub-board of the utility model. DETAILED DESCRIPTION

[0019] The technical solution of the utility model is further described below in conjunction with the accompanying drawings.

[0020] As shown in the figure, an antenna extension device provided by the utility model includes a pole 1, an antenna installation box 2, a connecting main board 3, a pole clamping structure 4 and an expandable sub-board 5. The front of the connecting main board 3 is fixedly connected to the antenna installation box 2 by bolts, and the back is connected to the pole clamping structure 4. The side of the connecting main board 3 is detachably connected to the expandable sub-board 5, and the expandable sub-board 5 is fixedly connected to the antenna installation box 2 by bolts. The pole clamping structure 4 includes a front clamping plate 6 and a rear clamping plate 7, and the front clamping plate 6 and the rear clamping plate 7 are fixed to the pole 1 by bolts. A first guide structure 8 is provided on the front clamping plate 6, and a first slide groove structure 9 matching the first guide structure is provided on the back of the connecting main board 3. A first limiting structure 11 is provided above the first slide groove structure 9, and the first slide groove structure 8 is fixedly connected to the first guide structure 9 by bolts. A second slide groove structure 12 is provided on the side of the expandable sub-board 5, and a second limiting structure 10 matching the second slide groove structure 12 is provided on the side of the connecting main board 3, and the second slide groove structure 12 is fixedly connected to the second limiting structure 10 by bolts.

[0021] When installed upright, one set of antenna installation boxes 2 is fixed to the connecting main board 3 by bolts, installed to the first slide groove structure 9 on the connecting main board 3 through the first guide structure 8 on the front bracket 6, and then locked by bolts. When installed sideways, the steps are the same, and the other two sets of antenna installation boxes 2 are fixed to the expandable sub-board 5 by bolts at the same time, and the expandable sub-board 5 is installed on the second limiting structures 10 on both sides of the connecting main board 3 through the second slide groove structure 12, and then locked by bolts at the top and middle parts.

Claims

1. An antenna extension device, comprising a holding pole (1) and an antenna installation box (2), characterized in that: The invention also comprises a connecting main board (3), a pole clamping structure (4) and an expandable sub-board (5); the front of the connecting main board (3) is connected to the antenna installation box (2), and the back is connected to the pole clamping structure (4); the side of the connecting main board (3) is detachably connected to the expandable sub-board (5), and the expandable sub-board (5) is connected to the antenna installation box (2).

2. The antenna extension device according to claim 1, characterized in that: The pole clamping structure (4) comprises a front clamping plate (6) and a rear clamping plate (7), and the front clamping plate (6) and the rear clamping plate (7) are fixed to the pole (1) by bolt connection.

3. The antenna extension device according to claim 2, characterized in that: The front clamping plate (6) is provided with a first guide structure (8), the back of the connecting main plate (3) is provided with a first slide groove structure (9) matching the first guide structure (8), and a first limiting structure (11) is provided above the first slide groove structure (9).

4. The antenna extension device according to claim 3, characterized in that: The first guide structure (8) is fixedly connected to the first slide groove structure (9) by means of bolts.

5. The antenna extension device according to claim 1, characterized in that: A second slide groove structure (12) is provided on the side of the expandable sub-plate (5), and a second limit structure (10) matching the second slide groove structure (12) is provided on the side of the connecting main plate (3).

6. The antenna extension device according to claim 5, characterized in that: The second sliding groove structure (12) and the second limiting structure (10) are fixedly connected by bolts.

7. The antenna extension device according to claim 2, characterized in that: The expandable sub-plate (5) is fixedly connected to the antenna installation box (2) by means of bolts.

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