Adjustable antenna mounting device of railway vehicle

Abstract

An adjustable antenna installation device of a railway vehicle comprises a junction box, an adjusting support, an installation support and a first corrugated pipe which are arranged on a chassis below the railway vehicle. The junction box is installed at the bottom of the vehicle frame, the structure of the junction box avoids the protruding structure at the bottom of the vehicle frame, and the antenna is connected with the vehicle-mounted equipment through the junction box; the adjusting support is installed on the junction box, a first installation strip hole is formed in the adjusting support, the installation piece of the antenna is connected with the first installation strip hole through a first fixing piece, and when the first fixing piece is screwed down, the installation piece of the antenna is fixed to the adjusting support; when the first fixing piece is unscrewed, the mounting piece of the antenna can slide relative to the mounting strip hole I; the mounting bracket is mounted on the adjusting bracket and is used for arranging the antenna on the adjusting bracket; the first corrugated pipe is connected between the antenna and the junction box, and a cable is laid in the first corrugated pipe to connect the antenna and an internal circuit of the junction box. According to the utility model, the integrated arrangement of installation and wiring is adopted, the position space under a vehicle is fully utilized, multi-angle signal receiving and transmitting are satisfied, unnecessary abrasion of cables is avoided, and light weight is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of rail vehicle antenna installation, in particular to an adjustable antenna installation device for a rail vehicle. Background Art

[0002] Rail transit is the main mode of transportation in most cities in my country. Rail vehicles need to communicate with the ground continuously during operation, and the antenna installed on the rail vehicle is an important device for connecting to the ground signal, and can also realize functions such as in-vehicle telephone, broadcasting, monitoring, and positioning. Some existing antennas arranged on the undercarriage of rail vehicles are traditionally installed by using U-shaped screws to install them on the round aluminum tube bracket welded on the car body, and then installing the U-shaped clamp plate and the antenna with L-shaped clamp in sequence. This method not only increases the weight, but also the cable from the coaxial cable outlet of the antenna to the car body is long, the electrical signal attenuation loss is large, and it is easy to wear.

[0003] Chinese patent document CN215826713U discloses a rail vehicle antenna installation structure and rail vehicle, including: a mounting plate, a left support part and a right support part. By setting the mounting plate, the left support part and the right support part that can adjust the relative position between each other, the problem of complex installation and fixation of the vehicle antenna is solved, the installation is ensured to be stable, the difficulty of disassembly and maintenance is reduced, the weight is reduced, and the installation area avoids complex vibration areas to a certain extent. The utility model solves the problem of heavy weight of the traditional installation method to a certain extent, but does not solve the problem of electrical signal attenuation loss and easy wear of the antenna cable due to its excessive length. Therefore, in order to solve this problem, the utility model proposes an adjustable antenna installation device for rail vehicles. Utility Model Content

[0004] The utility model aims to provide an adjustable antenna installation device for a rail vehicle, which adopts an integrated installation and wiring setting, fully utilizes the position space under the vehicle, satisfies multi-angle signal reception and transmission, avoids unnecessary wear of cables, and achieves lightweight.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] An adjustable antenna installation device for a rail vehicle comprises a junction box arranged on an underframe under the rail vehicle.

[0007] As a preferred technical solution, it includes a junction box, an adjustment bracket, a mounting bracket, and a corrugated pipe;

[0008] A junction box is installed at the bottom of the vehicle frame, and its structure avoids the raised structure at the bottom of the vehicle frame. The antenna is connected to the vehicle-mounted equipment through the junction box;

[0009] The adjusting bracket is installed on the junction box. The adjusting bracket is provided with a mounting hole 1. The mounting piece of the antenna is connected to the mounting hole 1 through a first fixing piece. When the first fixing piece is tightened, the mounting piece of the antenna is fixed on the adjusting bracket; when the first fixing piece is loosened, the mounting piece of the antenna can slide relative to the mounting hole 1.

[0010] A mounting bracket, which is mounted on the adjusting bracket and is used to set the antenna on the adjusting bracket;

[0011] A corrugated tube is connected between the antenna and the junction box, and a cable is laid inside to connect the antenna and the internal circuit of the junction box.

[0012] As a preferred technical solution, the first fixing member is an adjusting bolt and its nut.

[0013] As a preferred technical solution, the first mounting bar hole is arc-shaped.

[0014] As a preferred technical solution, the adjusting bracket is provided with a second mounting strip hole, and the corrugated pipe is provided with a pipe clamp. The pipe clamp is connected to the second mounting strip hole through a second fixing piece. When the second fixing piece is tightened, the pipe clamp is fixed on the adjusting bracket; when the second fixing piece is loosened, the pipe clamp can slide relative to the second mounting strip hole.

[0015] As a preferred technical solution, the adjustment bracket is provided with at least two adjustment surfaces, each of which is provided with two mounting strip holes, and the number of the adjustment surfaces matches the number of the bellows one; the pipe clamp on the bellows one and the corresponding mounting strip hole two are connected by a second fixing member.

[0016] As a preferred technical solution, the second mounting bar hole is arc-shaped.

[0017] As a preferred technical solution, the second fixing member is a bolt and a nut.

[0018] As a preferred technical solution, the second fixing member is a screw and a nut. The screw passes through all the second holes of the mounting strip and the opening on the pipe clamp and is fastened with a nut. The adjustment surfaces are parallel to each other.

[0019] As a preferred technical solution, a second corrugated pipe is provided at one end of the junction box away from the antenna through a pipe joint, and the second corrugated pipe can be connected to other junction boxes through the pipe joint.

[0020] As a preferred technical solution, a connector for connecting other vehicle-mounted equipment is fixedly provided on the side of the junction box. As a preferred technical solution, the adjustment hole is a circular hole.

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] 1. In the present invention, the layout and wiring of the undercar system and the installation and wiring of the antenna are integrated into a design, and are comprehensively considered to better meet the installation and wiring of the antenna while making full use of the space of the undercar equipment.

[0023] 2. In the present invention, the antenna bracket can be adjusted at multiple angles to meet the multi-angle requirements of the antenna for sending and receiving signals, and the signal cable routing angle can be adjusted to optimize the bending radius and cable length of the coaxial cable.

[0024] 3. In the present invention, the original design of using a pole for routing cables is cancelled, and a junction box is used to protect and route the cables. As long as a junction box made of lightweight materials is selected, the lightweight design requirements can be met. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings:

[0026] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 ;

[0027] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 ;

[0028] Figure 3 This is a schematic diagram of the installation of the antenna of the utility model;

[0029] Figure 4 For this utility model Figure 3 Rear view of

[0030] The reference numerals are as follows:

[0031] Junction box 1, adjustment bracket 2, mounting bracket 3, antenna 4, fastening bolt 5, adjusting bolt 6, mounting strip hole 1 7, mounting strip hole 2 8, adjusting hole 9, corrugated pipe 1 10, pipe joint 11, pipe clamp 12, corrugated pipe 2 13, connector 14. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work are within the scope of protection of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0034] In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the product of the application is usually placed when in use. It is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In the description of the present application, it should also be noted that unless otherwise clearly specified and limited, if the terms "set", "install", and "connect" appear, they should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0035] Example

[0036] like Figure 1-4 As shown, an adjustable antenna installation device for a rail vehicle includes a junction box 1 arranged on a chassis under the rail vehicle, the junction box 1 is L-shaped, and an adjustment bracket 2 is fixedly arranged at the bottom of one end of the L-shape of the junction box 1 by a fastening bolt 5, the adjustment bracket 2 is U-shaped, and the two vertical surfaces of the U-shaped structure of the adjustment bracket 2 are adjustment surfaces, one of the adjustment surfaces is provided with a plurality of arc-shaped installation strip holes 7, and a mounting bracket 3 is movably provided on the adjustment bracket 2 by an adjusting bolt 6, the mounting bracket 3 is an L-shaped structure, and a plurality of adjustment holes 9 are provided on a side where the mounting bracket 3 is connected to the adjustment bracket 2, and the other side of the mounting bracket 3 is fixedly connected to an antenna 4, and a side where the antenna 4 is connected to the mounting bracket 3 is connected to one end of two corrugated pipes 10, and the other end of the corrugated pipe 10 is connected to the junction box 1 through a pipe joint 11, and the corrugated pipe 10 is movably connected to the adjustment bracket 2 through a pipe clamp 12.

[0037] It is worth mentioning that the junction box 1 is responsible for the routing of the rail vehicle and the installation of the antenna 4, which fully and reasonably utilizes the compact space of the undercarriage of the rail vehicle. The adjustment bracket 2 is set to realize the multi-angle reception and transmission of signals by the antenna 4, and the routing angle of the signal cable can be adjusted; the antenna 4 and the corrugated tube 10 connected to the antenna 4 are installed on the adjustment bracket 2 through the installation bracket 3, and the corrugated tube 10 is provided with a cable for transmitting signals.

[0038] In some feasible embodiments, the first fixing member is a bolt and a nut.

[0039] Specifically, there are four adjusting bolts 6, one of which passes through the adjusting hole 9 on the mounting bracket 3 and the circular hole opened on the adjusting bracket 2 and is fastened with a nut (this position is used as a rotation reference), and the other three adjusting bolts 6 pass through the adjusting hole 9 on the mounting bracket 3 and the mounting bar hole 17 on the adjusting bracket 2 and are fastened with nuts. When it is necessary to adjust the relative position of the mounting bracket and the adjusting bracket, loosen each adjusting nut, and under the guidance of the arc-shaped mounting bar hole 17, the three adjusting bolts 6 can slide in the mounting bar hole 17, and the mounting bracket rotates with the above-mentioned rotation reference as the center of the circle to adjust the relative position. After adjusting to a suitable position, tighten the nut again to adjust the angle of the antenna 4.

[0040] In some feasible embodiments, an arc-shaped mounting strip hole 2 8 is provided on the adjusting bracket 2, and a pipe clamp 12 is provided on the corrugated tube 10. The pipe clamp 12 is connected to the mounting strip hole 2 8 through a second fixing member. When the second fixing member is tightened, the pipe clamp 12 is fixed on the adjusting bracket 2; when the second fixing member is loosened, the pipe clamp 12 can slide relative to the mounting strip hole 2 8.

[0041] In this embodiment, there are two bellows 10, which are respectively located on the outer sides of the two adjustment surfaces of the U-shaped structure of the adjustment bracket 2, and can be slidably arranged on the corresponding mounting strip holes 8 on the two adjustment surfaces of the adjustment bracket 2 through the pipe clamp 12.

[0042] In some feasible embodiments, the second fixing member is a bolt and a nut. The bolt passes through the opening on the pipe clamp 12 and the corresponding mounting strip hole 8 and is fastened with a nut. The nut is then tightened to complete the position fixation. When the bellows 10 needs to be adjusted, the nut is loosened and the position is adjusted.

[0043] In some feasible embodiments, the second fixing member is a screw and a nut. The screw passes through the openings on the pipe clamps 12 of the two bellows 1 and the mounting bar holes 8 located between the two bellows 10. The two ends of the screw are threadedly connected to the nuts, and the nuts are tightened at the outer ends of the pipe clamps 12 to complete the position fixation. When the bellows 10 needs to be adjusted, the nuts are loosened and then the position is adjusted. The adjustment surfaces are parallel to each other. In this embodiment, the pipe clamps 12 of the two bellows 10 are connected to each other by screws to achieve synchronous movement of the two bellows 10.

[0044] In some feasible embodiments, the end of the junction box 1 away from the antenna 4 is provided with a second bellows 13 through a pipe joint 11, and the second bellows 13 can be connected to other junction boxes 1 through the pipe joint 11. The second bellows 11 is provided with cables for transmitting signals.

[0045] In some feasible embodiments, a connector 14 is fixedly provided on the side of the junction box 1 to achieve communication connection between the junction box 1 and the device.

[0046] In some feasible embodiments, the adjustment hole 9 is a circular hole.

[0047] In addition, it should be understood that although this specification is described in accordance with the implementation methods, not every implementation method contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art. So far, each embodiment of the present disclosure has been described in detail. In order to avoid obscuring the concept of the present disclosure, some details known in the art are not described. Based on the above description, those skilled in the art can fully understand how to implement the technical solution disclosed here. The scope of the present disclosure is defined by the attached claims.

Claims

1. An adjustable antenna installation device for a rail vehicle, comprising a junction box (1) arranged on a chassis under the rail vehicle, characterized in that: It comprises a junction box (1), an adjustment bracket (2), a mounting bracket (3), and a corrugated pipe (10); A junction box (1) is installed at the bottom of the vehicle frame, and its structure avoids the raised structure at the bottom of the vehicle frame. The antenna (4) is connected to the vehicle-mounted equipment through the junction box (1); The adjusting bracket (2) is mounted on the junction box (1); a mounting hole (7) is provided on the adjusting bracket (2); a mounting piece of the antenna (4) is connected to the mounting hole (7) via a first fixing piece; when the first fixing piece is tightened, the mounting piece of the antenna (4) is fixed on the adjusting bracket (2); when the first fixing piece is loosened, the mounting piece of the antenna (4) can slide relative to the mounting hole (7); A mounting bracket (3) mounted on the adjusting bracket (2) and used for arranging the antenna (4) on the adjusting bracket (2); A corrugated tube (10) is connected between the antenna (4) and the junction box (1), and has cables laid inside to connect the antenna (4) and the internal circuits of the junction box (1).

2. The adjustable antenna installation device for a rail vehicle according to claim 1, characterized in that: The first fixing member is a bolt and a nut.

3. The adjustable antenna installation device for a rail vehicle according to claim 1, characterized in that: The first mounting strip hole is arc-shaped.

4. The adjustable antenna installation device for a rail vehicle according to claim 1, characterized in that: The adjusting bracket (2) is provided with a second mounting hole (8), and the first corrugated pipe (10) is provided with a pipe clamp (12). The pipe clamp (12) is connected to the second mounting hole (8) via a second fixing member. When the second fixing member is tightened, the pipe clamp (12) is fixed to the adjusting bracket (2); when the second fixing member is loosened, the pipe clamp (12) can slide relative to the second mounting hole (8).

5. The adjustable antenna installation device for a rail vehicle according to claim 1, characterized in that: The adjustment bracket (2) is provided with at least two adjustment surfaces, each of which is provided with two mounting strip holes (8), and the number of the adjustment surfaces matches the number of the corrugated pipes (10); the pipe clamp (12) on the corrugated pipe (10) and the corresponding two mounting strip holes (8) are connected via a second fixing member.

6. The adjustable antenna installation device for a rail vehicle according to claim 4, characterized in that: The second mounting hole (8) is arc-shaped.

7. The adjustable antenna installation device for a rail vehicle according to claim 4, characterized in that: The second fixing member is a bolt and a nut.

8. The adjustable antenna installation device for a rail vehicle according to claim 4, characterized in that: The second fixing member is a screw and a nut. The screw passes through all the second mounting strip holes (8) and the openings on the pipe clamp (12) and is fastened with a nut. The adjustment surfaces are parallel to each other.

9. The adjustable antenna installation device for a rail vehicle according to claim 1, characterized in that: The mounting bracket (3) is provided with an adjustment hole (9), and a first fastener passes through the adjustment hole (9) and the first mounting strip hole (7) to connect the mounting bracket (3) and the adjustment bracket (2).

10. The adjustable antenna installation device for a rail vehicle according to claim 9, characterized in that: The adjustment hole (9) is a circular hole.

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