Installation device of scanning antenna

Abstract

The utility model provides an installation device of a scanning antenna, which belongs to the technical field of scanning antenna installation and comprises a connecting seat and two second supports. The connecting base comprises a mounting beam extending in the first direction and first supports arranged at the two ends of the mounting beam respectively. The mounting beam has the freedom degree of stretching in the first direction. One end of the first bracket is fixedly connected with the scanning antenna, and the other end extends upwards; the two second brackets are in one-to-one correspondence with the two first brackets; the lower ends of the second supports are slidably connected to the extending ends of the corresponding first supports in the vertical direction, and the second supports and the first supports are fixed through limiting bolts. The upper end of the second support is fixed to the bottom of a vehicle body. The scanning antenna mounting device provided by the utility model can conveniently adjust the mounting height of the scanning antenna, is suitable for scanning antennas with different sizes and shapes, and has a wider application range.

Description

Technical Field

[0001] The utility model belongs to the technical field of scanning antenna installation, and more specifically relates to a scanning antenna installation device. Background Art

[0002] The signal systems of EMUs, high-speed trains, subways and passenger cars in foreign projects are equipped with scanning antennas to receive ground transponder signals. In order to ensure that the scanning antenna can effectively receive the ground transponder signal, the scanning antenna is usually installed under the front of the driver's cab with the help of a mounting bracket, and the scanning antenna is kept at a specified distance from the rail surface.

[0003] In the prior art, the mounting bracket is usually fixed to the bottom of the vehicle body, and the position and height of the mounting port are fixed. Its support and mounting structure is relatively simple. Therefore, it is often unable to adapt to production installation errors and vehicle body errors, and cannot match scanning antennas of different sizes and shapes provided by different signal suppliers. Utility Model Content

[0004] The utility model aims to provide a scanning antenna installation device, aiming to solve the technical problems that the existing installation bracket has a single structure, poor adaptability, and cannot match scanning antennas of different sizes and shapes provided by different signal suppliers.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a scanning antenna installation device, comprising:

[0006] The connecting seat comprises a mounting beam extending in a first direction, and first brackets respectively arranged at two ends of the mounting beam; the mounting beam has a degree of freedom to extend and retract in the first direction; one end of the first bracket is used for fixed connection with the scanning antenna, and the other end extends upward;

[0007] Two second brackets correspond to the two first brackets one by one; the lower ends of the second brackets are slidably connected to the corresponding extended ends of the first brackets in the vertical direction, and the second brackets are fixed to the first brackets by limiting bolts; the upper ends of the second brackets are used to be fixed to the bottom of the vehicle body.

[0008] In a possible implementation, a plurality of first mounting holes are provided at intervals along the vertical direction on the upper end of the second bracket, a second mounting hole is provided on the first bracket, and the limiting bolt is passed through and fixed between the second mounting hole and one of the first mounting holes.

[0009] In some embodiments, a plurality of third mounting holes are provided at intervals along the vertical direction on the upper end of the first bracket, a fourth mounting hole is provided on the second bracket, and the limiting bolt is passed through and fixed between the fourth mounting hole and one of the third mounting holes.

[0010] In a possible implementation manner, a horizontal direction perpendicular to the first direction is defined as a second direction, and the first bracket includes:

[0011] A transverse brace plate, arranged parallel to the bottom of the vehicle body;

[0012] a plurality of connecting ear plates, which are spaced apart at the bottom of the cross brace along the second direction and are all fixedly connected to the scanning antenna; and

[0013] A longitudinal brace plate is arranged on the top of the transverse brace plate; one end of the longitudinal brace plate extends upward and is connected to the corresponding second bracket.

[0014] In some embodiments, a plurality of groups of reinforcing ribs are provided between the transverse support plates and the longitudinal support plates, and the plurality of groups of reinforcing ribs are spaced apart along the second direction.

[0015] In a possible implementation, a connecting plate is further provided on one of the second brackets, and the connecting plate extends in a direction away from the mounting beam; the connecting plate is used to be connected to a junction box.

[0016] In a possible implementation manner, a plurality of weight-reducing holes are provided on the first bracket and the second bracket.

[0017] In a possible implementation, the mounting beam includes a plurality of telescopic beams that are spaced apart, and ends of the plurality of telescopic beams are connected to corresponding first brackets.

[0018] In some embodiments, the telescopic beam comprises:

[0019] A connecting sleeve, one end of which is connected to one of the first brackets;

[0020] A telescopic rod is placed in the other end of the connecting sleeve, and one end of the telescopic rod extends out of the connecting sleeve and is connected to another first bracket;

[0021] The telescopic rod is used to be telescopic along the axial direction of the connecting sleeve, so as to form the freedom of telescopic movement of the mounting beam along the first direction.

[0022] Exemplarily, one end of the telescopic rod is screwed into the connecting sleeve via a threaded structure.

[0023] Exemplarily, a limiting nail is provided between the connecting sleeve and the telescopic rod; a plurality of limiting holes are provided on the connecting sleeve, and the limiting nail passes through one of the limiting holes and is fixed in the telescopic rod.

[0024] Compared with the prior art, the solution shown in the embodiment of the present application can adjust the distance between the two first brackets by extending and retracting the mounting beam along the first direction, thereby adapting to scanning antennas of different sizes and shapes; further, by sliding the first bracket and the second bracket up and down and fixing them with limiting bolts, the connection height of the first bracket and the second bracket can be adjusted, thereby changing the installation position of the scanning antenna at the bottom of the vehicle body; the installation device of the scanning antenna provided in the present application can conveniently adjust the installation height of the scanning antenna, and adapt to scanning antennas of different sizes and shapes, and has a wider range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 A schematic diagram of the structure of a mounting device for a scanning antenna provided in an embodiment of the utility model;

[0027] Figure 2 A schematic structural diagram of a telescopic beam provided in an embodiment of the utility model.

[0028] In the figure:

[0029] 1. Connecting seat; 11. Mounting beam; 111. Connecting sleeve; 112. Telescopic rod; 113. Limiting hole; 114. Limiting nail; 12. First bracket; 121. Horizontal brace plate; 122. Connecting ear plate; 123. Vertical brace plate; 124. Reinforcing rib plate; 2. Second bracket; 21. Connecting plate; 22. First mounting hole; 3. Limiting bolt; 4. Scanning antenna; 5. Weight reduction hole. DETAILED DESCRIPTION

[0030] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0031] It should be noted that when an element is referred to as being "disposed on" another element, it may be directly on the other element or indirectly on the other element. It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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 invention.

[0032] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0033] For ease of understanding, this application uses the attached Figure 1 The direction indicated by arrow A is the first direction, and the attached Figure 1 The direction indicated by the middle arrow B is the second direction.

[0034] Please also read Figure 1 and Figure 2 , the installation device of the scanning antenna provided by the utility model is now described. The installation device of the scanning antenna includes a connecting seat 1 and two second brackets 2; the connecting seat 1 includes a mounting beam 11 extending along a first direction, and first brackets 12 respectively arranged at both ends of the mounting beam 11; the mounting beam 11 has the freedom of telescopic extension along the first direction; one end of the first bracket 12 is used for fixed connection with the scanning antenna 4, and the other end extends upward; the two second brackets 2 correspond to the two first brackets 12 one by one; the lower end of the second bracket 2 is slidably connected to the extension end of the corresponding first bracket 12 along the vertical direction, and the second bracket 2 and the first bracket 12 are fixed by a limit bolt 3; the upper end of the second bracket 2 is used to be fixed to the bottom of the vehicle body.

[0035] It should be noted that before installing the scanning antenna 4, it is necessary to first determine the installation width of the scanning antenna 4 along the first direction and the reserved height between the track and the surface, and adjust the telescopic length of the mounting beam 11 according to the installation width of the scanning antenna 4. According to the installation height of the scanning antenna 4, the relative sliding position between the first bracket 12 and the second bracket 2 is determined, and the first bracket 12 and the second bracket 2 are positioned using the limit bolts 3.

[0036] Optionally, the first bracket 12 and the end of the mounting beam 11, the first bracket 12 and the scanning antenna 4, and the second bracket 2 and the vehicle body are all detachably connected by fastening bolts for easy installation and replacement.

[0037] Compared with the prior art, the scanning antenna installation device provided by the utility model can adjust the distance between the two first brackets 12 by extending and retracting the installation beam 11 along the first direction, so as to adapt to scanning antennas 4 of different sizes and shapes; further, by sliding the first bracket 12 and the second bracket 2 up and down and fixing them with the limiting bolts 3, the connection height of the first bracket 12 and the second bracket 2 can be adjusted, thereby changing the installation position of the scanning antenna 4 at the bottom of the vehicle body; the scanning antenna installation device provided in the present application can conveniently adjust the installation height of the scanning antenna 4, and adapt to scanning antennas 4 of different sizes and shapes, and has a wider range of applications.

[0038] See also Figure 1 As a specific connection method between the first bracket 12 and the second bracket 2, a plurality of first mounting holes 22 are provided at intervals along the vertical direction at the upper end of the second bracket 2, a second mounting hole is provided on the first bracket 12, and a limiting bolt 3 is passed through and fixed between the second mounting hole and one of the first mounting holes 22.

[0039] By setting a plurality of first mounting holes 22, a plurality of mounting positions are set between the first bracket 12 and the second bracket 2. When the limiting bolts 3 are passed through different first mounting holes 22, a plurality of different mounting heights are formed between the first bracket 12 and the second bracket 2, thereby adapting to the installation height requirements of different scanning antennas 4.

[0040] As another specific connection method between the first bracket 12 and the second bracket 2, a plurality of third mounting holes are provided at intervals along the vertical direction at the upper end of the first bracket 12, a fourth mounting hole is provided on the second bracket 2, and a limiting bolt 3 is passed through and fixed between the fourth mounting hole and one of the third mounting holes.

[0041] Similarly, by setting a plurality of third mounting holes, a plurality of different mounting positions can be set between the first bracket 12 and the second bracket 2. When the limit bolt 3 is passed through different third mounting holes, a plurality of different mounting heights are formed between the first bracket 12 and the second bracket 2, thereby adapting to the installation height requirements of different scanning antennas 4.

[0042] See also Figure 1In some possible embodiments, a horizontal direction perpendicular to the first direction is defined as the second direction, and the first bracket 12 includes a transverse brace 121, a plurality of connecting ear plates 122 and a longitudinal brace 123; the transverse brace 121 is arranged parallel to the bottom of the vehicle body; a plurality of connecting ear plates 122 are spaced apart along the second direction at the bottom of the transverse brace 121, and are all fixedly connected to the scanning antenna 4; the longitudinal brace 123 is arranged at the top of the transverse brace 121; one end of the longitudinal brace 123 extends upward and is connected to the corresponding second bracket 2.

[0043] By providing a plurality of connecting ear plates 122 , the first bracket 12 is fixedly connected to the scanning antenna 4 , thereby improving the stability and strength of the connection; and by providing a longitudinal support plate 123 , a sliding connection with the second bracket 2 is achieved.

[0044] Specifically, a plurality of weight-reducing holes 5 are provided on the transverse bracing plate 121 and the longitudinal bracing plate 123 to reduce the weight of the mounting bracket and ensure the connection strength of the first bracket 12 .

[0045] See also Figure 1 In some embodiments, a plurality of groups of reinforcing ribs 124 are provided between the transverse support plate 121 and the longitudinal support plate 123 , and the plurality of groups of reinforcing ribs 124 are spaced apart along the second direction.

[0046] The reinforcing rib plate 124 is provided to improve the connection strength between the transverse support plate 121 and the longitudinal support plate 123 .

[0047] Specifically, the longitudinal support plate 123 is a U-shaped structure with an opening facing away from the mounting beam 11, and the U-shaped structure is an integrated bending structure; specifically, the second mounting hole or the third mounting hole is provided on the side wall of the U-shaped structure.

[0048] Furthermore, the reinforcing rib plate 124 is disposed on the longitudinal support plate 123 and is away from the opening side of the longitudinal support plate 123 .

[0049] See also Figure 1 In some possible embodiments, a connecting plate 21 is further provided on one of the second brackets 2. The connecting plate 21 extends in a direction away from the mounting beam 11. The connecting plate 21 is used to connect to the junction box.

[0050] By providing the connecting plate 21 , the junction box can be fixed to the bottom of the vehicle body with the help of the second bracket 2 , thereby improving the installation utilization rate of the second bracket 2 .

[0051] See also Figure 1 In some embodiments, a plurality of weight-reducing holes 5 are provided on the first bracket 12 and the second bracket 2 .

[0052] By providing a plurality of weight-reducing holes 5 , the weight of the mounting device of the scanning antenna is reduced, and the connection strength between the first bracket 12 and the second bracket 2 is ensured.

[0053] See also Figure 1 In some possible embodiments, the mounting beam 11 includes a plurality of telescopic beams that are spaced apart, and ends of the plurality of telescopic beams are connected to corresponding first brackets 12 .

[0054] Exemplarily, a long hole is provided on the first bracket 12, and the end of the mounting beam 11 is connected to the long hole by a bolt connector. The mounting position of the mounting beam 11 in the long hole is adjusted up and down to adjust the mounting position of the mounting beam 11.

[0055] By setting up multiple sets of telescopic beams to connect the two first brackets 12, the supporting strength of the installation device is improved; further, by extending and retracting each telescopic beam, the overall extension and retraction of the installation beam 11 is achieved, and then the position between the two first brackets 12 is adjusted to adapt to the width of the scanning antenna 4 along the first direction.

[0056] See also Figure 2 In some embodiments, the telescopic beam includes a connecting sleeve 111 and a telescopic rod 112; one end of the connecting sleeve 111 is connected to one of the first brackets 12; the telescopic rod 112 is placed in the other end of the connecting sleeve 111, and one end of the telescopic rod 112 extends out of the connecting sleeve 111 and is connected to the other first bracket 12; wherein the telescopic rod 112 is used to extend and retract along the axial direction of the connecting sleeve 111 to form a degree of freedom for the mounting beam 11 to extend and retract along the first direction.

[0057] After the installation width of the scanning antenna 4 is determined, the extension length of the telescopic rod 112 is changed by sliding the telescopic rod 112 outward, thereby adjusting the length of the telescopic beam to adapt to the installation width of the scanning antenna 4 .

[0058] See also Figure 2 , illustratively, one end of the telescopic rod 112 is screwed into the connecting sleeve 111 through a threaded structure.

[0059] By setting a threaded structure, specifically, setting an external thread on the telescopic rod 112 and setting an internal threaded hole in the connecting sleeve 111, the telescopic rod 112 is screwed into the connecting sleeve 111, and after the telescopic rod 112 is screwed out to a specified length, the relative positions of the telescopic rod 112 and the connecting sleeve 111 are fixed.

[0060] See also Figure 2 , illustratively, a limiting nail 114 is passed between the connecting sleeve 111 and the telescopic rod 112 ; a plurality of limiting holes 113 are provided on the connecting sleeve 111 , and the limiting nail 114 passes through one of the limiting holes 113 and is fixed in the telescopic rod 112 .

[0061] By providing a plurality of limiting holes 113 , a plurality of installation positions between the telescopic rod 112 and the connecting sleeve 111 are realized; by fixing the limiting nail 114 in one of the limiting holes 113 , it is ensured that the relative position between the telescopic rod 112 and the connecting sleeve 111 does not change.

[0062] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A scanning antenna installation device, characterized in that: include: A connecting base (1) comprises a mounting beam (11) extending in a first direction, and first brackets (12) respectively arranged at two ends of the mounting beam (11); the mounting beam (11) has a degree of freedom to extend and retract in the first direction; one end of the first bracket (12) is used for fixed connection with a scanning antenna (4), and the other end extends upward; Two second brackets (2) correspond to the two first brackets (12) one by one; the lower ends of the second brackets (2) are slidably connected to the extended ends of the corresponding first brackets (12) in the vertical direction, and the second brackets (2) and the first brackets (12) are fixed by limiting bolts (3); the upper ends of the second brackets (2) are used to be fixed to the bottom of the vehicle body.

2. The scanning antenna installation device according to claim 1, characterized in that: The upper end of the second bracket (2) is provided with a plurality of first mounting holes (22) at intervals in the vertical direction, the first bracket (12) is provided with a second mounting hole, and the limiting bolt (3) is passed through and fixed between the second mounting hole and one of the first mounting holes (22).

3. The scanning antenna installation device according to claim 1, characterized in that: The upper end of the first bracket (12) is provided with a plurality of third mounting holes spaced apart in the vertical direction, the second bracket (2) is provided with a fourth mounting hole, and the limiting bolt (3) is passed through and fixed between the fourth mounting hole and one of the third mounting holes.

4. The scanning antenna installation device according to claim 1, characterized in that: A horizontal direction perpendicular to the first direction is defined as a second direction, and the first bracket (12) comprises: A transverse brace (121) is arranged parallel to the bottom of the vehicle body; a plurality of connecting ear plates (122), which are spaced apart and distributed at the bottom of the cross brace plate (121) along the second direction, and are all fixedly connected to the scanning antenna (4); and A longitudinal support plate (123) is arranged on the top of the transverse support plate (121); one end of the longitudinal support plate (123) extends upward and is connected to the corresponding second bracket (2).

5. The scanning antenna mounting device according to claim 4, characterized in that: A plurality of groups of reinforcing rib plates (124) are also provided between the transverse support plate (121) and the longitudinal support plate (123), and the plurality of groups of reinforcing rib plates (124) are arranged at intervals along the second direction.

6. The scanning antenna mounting device according to claim 1, characterized in that: A connecting plate (21) is also provided on one of the second brackets (2), and the connecting plate (21) extends in a direction away from the mounting beam (11); the connecting plate (21) is used to be connected to a junction box.

7. The scanning antenna mounting device according to claim 1, characterized in that: A plurality of weight-reducing holes (5) are provided on the first bracket (12) and the second bracket (2).

8. The scanning antenna mounting device according to claim 1, characterized in that: The mounting beam (11) comprises a plurality of telescopic cross beams distributed at intervals, and the ends of the plurality of telescopic cross beams are connected to the corresponding first brackets (12).

9. The scanning antenna mounting device according to claim 8, characterized in that: The telescopic beam comprises: A connecting sleeve (111), one end of which is connected to one of the first brackets (12); A telescopic rod (112) is placed in the other end of the connecting sleeve (111), and one end of the telescopic rod (112) extends out of the connecting sleeve (111) and is connected to another first bracket (12); The telescopic rod (112) is used to telescope along the axial direction of the connecting sleeve (111) to form a degree of freedom for the mounting beam (11) to telescope along the first direction.

10. The scanning antenna mounting device according to claim 9, characterized in that: A limiting pin (114) is provided between the connecting sleeve (111) and the telescopic rod (112); a plurality of limiting holes (113) are provided on the connecting sleeve (111), and the limiting pin (114) passes through one of the limiting holes (113) and is fixed in the telescopic rod (112).

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