CN215732158U - Mounting mechanism and framework of signal antenna - Google Patents
Mounting mechanism and framework of signal antenna Download PDFInfo
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- CN215732158U CN215732158U CN202121506228.XU CN202121506228U CN215732158U CN 215732158 U CN215732158 U CN 215732158U CN 202121506228 U CN202121506228 U CN 202121506228U CN 215732158 U CN215732158 U CN 215732158U
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Abstract
The utility model relates to an installation mechanism and a framework of a signal antenna, wherein the installation mechanism of the signal antenna comprises two groups of installation components which are arranged at intervals, each installation component comprises an installation seat, an installation arm and a fixing part, the installation seat is positioned on one side of a cross beam of the framework, which is close to a side beam, and the installation seat is welded and fixed with the lower part of the cross beam; one end of the mounting arm is fixed with the mounting seat through the fixing part, the other end of the mounting arm is positioned below the side beam and can be connected with the signal antenna, and an adjusting gasket is arranged between the mounting arm and the mounting seat. Can install signal antenna in the curb girder below of framework to can not cause the influence to the structural strength of curb girder, guarantee the wholeness ability of framework.
Description
Technical Field
The utility model relates to the technical field of railway vehicles, in particular to an installation mechanism and a framework of a signal antenna.
Background
The rail vehicle needs to be provided with signal antennas for vehicle dispatching, and some signal antennas need to keep a reasonable space relation with signal receiving equipment (outside the rail) on the rail, so that the mounting positions of the antennas are limited, and the signal antennas need to be mounted right below side beams of a framework. While the frame serves as the primary load-bearing structure of the vehicle, the side beams of the frame, which are generally similar to "simple beams," carry tensile stresses in their lower portions, which are areas of high stress risk of the frame, and if the mounting mechanism for mounting the signal antenna is directly welded to the lower portion of the side beam, this will have an effect on the overall structural strength of the frame.
Therefore, how to mount the signal antenna below the side beam of the frame without affecting the structural strength of the side beam and ensuring the overall performance of the frame is a technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an installation mechanism and a framework of a signal antenna, which can install the signal antenna below a side beam of the framework, cannot influence the structural strength of the side beam and ensure the overall performance of the framework.
In order to solve the technical problem, the utility model provides an installation mechanism of a signal antenna, which comprises two groups of installation components arranged at intervals, wherein each installation component comprises an installation seat, an installation arm and a fixing part, the installation seat is positioned on one side of a cross beam of a framework, which is close to a side beam, and the installation seat is welded and fixed with the lower part of the cross beam; one end of the mounting arm is fixed with the mounting seat through the fixing part, the other end of the mounting arm is located below the side beam and can be connected with a signal antenna, and an adjusting gasket is further arranged between the mounting arm and the mounting seat.
The mounting seat is fixed with the crossbeam, and the installation arm is equivalent to cantilever structure, and its one end is fixed with the mounting seat, and the other end is located the below of curb girder and can be connected with signal antenna to satisfy signal antenna's mounted position and be located the below of curb girder, simple structure can realize the installation in limited space, and the flexibility is good. And because the lower part of the side beam bears the tensile stress and is a high stress dangerous area of the framework, the mounting mechanism provided by the embodiment is fixedly arranged on the cross beam, no action force is generated on the side beam, the high stress dangerous area of the framework can be avoided, the integral structural strength of the framework cannot be influenced, and the integral structural performance of the framework is ensured.
The mounting height of the signal antenna can be reduced along with the abrasion of the wheel, so that the signal antenna gradually exceeds the signal receiving range, the height of the mounting arm can be adjusted through the adjusting gasket in the embodiment, the mounting height of the signal antenna can be adjusted, after the wheel is abraded, the number of the adjusting gaskets between the mounting seat and the mounting arm can be reduced, and the adjusting gaskets are arranged between the mounting seat and the mounting arm, so that the requirement on the upper space of the signal antenna is reduced, the design space of the side beam is not occupied, and the overall design of the framework is not influenced.
Optionally, the installation arm is including the first installation department, connecting portion and the second installation department that set gradually, first installation department can pass through the fixed part with the mount pad is fixed, the second installation department can be connected with signal antenna, first installation department with between the connecting portion and the second installation department with be equipped with additional strengthening between the connecting portion respectively.
Optionally, locate first installation department with additional strengthening between the connecting portion includes two curb plates, two the curb plate is located respectively the both sides of connecting portion are connected and are fixed in the lateral wall of connecting portion with between the lateral wall of first installation department, with first installation department is kept away from one side of mount pad encloses and closes formation accommodation space, accommodation space can hold adjusting shim.
Optionally, the mounting assembly further includes a pressing plate, the pressing plate is located in the accommodating space and can be fixed to the first mounting portion through the fixing portion, and the adjusting gasket located in the accommodating space can be clamped between the pressing plate and the first mounting portion.
Optionally, the reinforcing structure between the first mounting portion and the connecting portion further includes a vertical plate and a reinforcing plate, the vertical plate is disposed at one side end of the accommodating space facing the connecting portion, two ends of the vertical plate are respectively connected with the two side plates, and the reinforcing plate is connected between the connecting portion and the vertical plate.
Optionally, the cross-sectional area of the connecting portion gradually increases from one end of the second mounting portion to one end of the first mounting portion.
Optionally, the reinforcing structure arranged between the second mounting portion and the connecting portion is a reinforcing rib, and the reinforcing rib is arranged on the side surface of the second mounting portion and forms a T-shaped structure in cross section.
Optionally, the mount pad includes mounting panel and fixed plate, the mounting panel can pass through the fixed part with the installation arm is fixed, the quantity of fixed plate is two, the one end of fixed plate with the mounting panel is fixed, the other end of fixed plate be equipped with the arc structure of the outer wall looks adaptation of crossbeam, the arc structure with crossbeam welded fastening.
Optionally, a reinforcing member is further disposed between the fixing plate and the mounting plate.
Optionally, the fixing portion includes a fixing bolt and a fixing nut, and the fixing bolt can pass through the first mounting hole, the adjusting pad and the second mounting hole in the mounting arm in sequence and is fixed to the fixing nut.
Optionally, a boss is arranged on the end face, far away from the mounting seat, of one side of the first mounting hole along the circumferential direction, and a processing face is arranged on the end face of the boss.
Optionally, a rotation limiting piece is further fixedly arranged on an end face of one side, away from the mounting arm, of the second mounting hole, and the rotation limiting piece can limit rotation of the fixing nut.
Optionally, the mounting is a one-piece casting or forging and the mounting arm is a one-piece casting or forging.
The utility model also provides a framework which comprises two side beams, two cross beams and the mounting mechanism of the signal antenna, wherein the two cross beams are connected between the two side beams at intervals.
The technical effect of the structure having the mounting mechanism for signal antenna is similar to that of the mounting mechanism for signal antenna, and is not repeated herein for saving space.
Drawings
Fig. 1 and 2 are schematic structural views of a mounting mechanism of a signal antenna provided in an embodiment of the present invention in a mounted state;
FIG. 3 is an exploded view of a mounting mechanism for a signal antenna;
FIGS. 4 and 5 are schematic views of the construction of the mounting arm;
fig. 6 is a schematic structural view of the mount.
In the accompanying fig. 1-6, the reference numerals are illustrated as follows:
1-a mounting seat, 11-a mounting plate, 12-a fixing plate, 121-an arc structure, 13-a reinforcing member, 14-a second mounting hole and 15-a rotation limiting member;
2-mounting arm, 21-first mounting part, 211-first mounting hole, 22-connecting part, 23-second mounting part, 24-side plate, 25-vertical plate, 26-reinforcing plate, 27-reinforcing rib and 28-boss;
3-fixing the bolt;
4-fixing the nut;
5-a signal antenna;
6-adjusting the gasket;
7-pressing a plate;
8-a cross beam;
9-side beam;
10-connecting bolt.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
The embodiment of the utility model provides an installation mechanism and a framework of a signal antenna, wherein the framework comprises two cross beams 8, two side beams 9 and an installation mechanism of the signal antenna, the two cross beams 8 are arranged in parallel at intervals and are respectively connected between the two side beams 9, and the installation mechanism of the signal antenna is used for installing the signal antenna 5, so that the signal antenna 5 is positioned right below the side beams 9.
Specifically, the mounting mechanism of the signal antenna comprises two sets of mounting assemblies which are arranged at intervals, each set of mounting assembly comprises a mounting seat 1, a mounting arm 2 and a fixing part, wherein the mounting seat 1 is positioned at one side end, close to the side beam 9, of the cross beam 8 of the framework, the mounting seat 1 is welded and fixed with the lower part of the cross beam 8, one end of the mounting arm 2 can be fixed with the mounting seat 1 through the fixing part, and the other end of the mounting arm 2 can be connected with the signal antenna 5.
Specifically, as shown in fig. 1 and 2, the mounting base 1 is fixed to the cross beam 8, the mounting arm 2 is equivalent to a cantilever structure, one end of the mounting arm is fixed to the mounting base 1, and the other end of the mounting arm is located below the side beam 9 and can be connected to the signal antenna 5, so that the mounting position of the signal antenna 5 is located below the side beam 9, the structure is simple, the mounting can be achieved in a limited space, and the flexibility is good. Moreover, the lower part of the side beam 9 bears tensile stress and is a high stress dangerous area of the framework, and the mounting mechanism provided by the embodiment is fixedly arranged on the cross beam 8, so that no acting force is generated on the side beam 9, the high stress dangerous area of the framework can be avoided, the integral structural strength of the framework cannot be influenced, and the integral structural performance of the framework is ensured.
The mounting height of the signal antenna 5 can be reduced along with the abrasion of the wheel, so that the signal antenna 5 gradually exceeds the signal receiving range, the height of the mounting arm 2 can be adjusted through the adjusting gasket 6 in the embodiment, and then the mounting height of the signal antenna 5 can be adjusted, after the wheel is abraded, the number of the adjusting gaskets 6 between the mounting base 1 and the mounting arm 2 can be reduced, and the adjusting gaskets 6 are arranged between the mounting base 1 and the mounting arm 2, so that the requirement on the upper space of the signal antenna 5 is reduced, the design space of the side beam 9 is not occupied, and the overall design of a framework is not influenced.
As shown in fig. 4 and 5, the mounting arm 2 includes a first mounting portion 21, a connecting portion 22 and a second mounting portion 23 which are sequentially arranged, wherein the first mounting portion 21 can be fixed to the mounting base 1 by a fixing portion, the second mounting portion 23 can be connected to the signal antenna 5 by the connecting bolt 10, the connecting portion 22 can perform an excessive connection function between the first mounting portion 21 and the second mounting portion 23, if the heights of the first mounting portion 21 and the second mounting portion 23 are set to be consistent, the connecting portion 22 may not be provided, but since the signal antenna 5 is located below the side beam 9, the position where the mounting base 1 is connected to the first mounting portion 21 is low, and if the heights of the first mounting portion 21 and the second mounting portion 23 are set to be consistent, the size setting of the mounting portions can be flexible, and weight reduction can be achieved by the arrangement of the connecting portion 22. Specifically, be equipped with additional strengthening between first installation department 21 and the connecting portion 22 and between second installation department 23 and the connecting portion 22 respectively to guarantee this installation arm 2's overall structure intensity, guarantee connection stability, avoid taking place the circumstances such as buckling.
As shown in fig. 4, the reinforcing structure provided between the first mounting portion 21 and the connecting portion 22 includes two side plates 24, the two side plates 24 are respectively located at two sides of the connecting portion 22, and each side plate 24 is connected and fixed between a side wall of the connecting portion 22 and a side wall of the first mounting portion 21 to realize structural reinforcement between the first mounting portion 21 and the connecting portion 22 from two sides, that is, the connecting portion 22 and the first mounting portion 21 are directly connected, and the side plates 24 can be respectively connected and fixed with a side wall of the first mounting portion 21 and a side wall of the connecting portion 22 from one side to realize structural reinforcement between the first mounting portion 21 and the connecting portion 22. Meanwhile, the two side plates 24 can form an accommodating space (similar to a groove structure) on one side of the first mounting portion 21 away from the mounting base 1, the accommodating space can accommodate the adjusting gasket 6, after the wheel is worn, the adjusting gasket 6 between the mounting base 1 and the mounting arm 2 is extracted according to conditions, and then the extracted adjusting gasket 6 can be placed in the accommodating space without additionally placing the taken adjusting gasket 6.
As shown in fig. 3, the mounting assembly further includes a pressing plate 7, the pressing plate 7 is located in the accommodating space and can be fixed to the first mounting portion 21 through a fixing portion, the adjusting gasket 6 taken down from between the mounting portion and the mounting arm 2 can be placed between the pressing plate 7 and the first mounting portion 21, and the pressing plate 7 is clamped and fixed to ensure that the adjusting gasket 6 is stably placed.
Locate the additional strengthening between first installation department 21 and connecting portion 22 and still include riser 25 and reinforcing plate 26, wherein, riser 25 is located between connecting portion 22 and the first installation department 21 and is located accommodation space towards a side end of connecting plate, can not lead to the fact the influence to accommodation space, guarantee that adjusting shim 6 can place in accommodation space, and the both ends of this riser 25 still are connected fixedly with two curb plates 24 respectively, reinforcing plate 26 is connected between connecting portion 22 and riser 25, in order to increase the structural strength between first installation department 21 and the connecting portion 22, the both ends of riser 25 are connected fixedly with two curb plates 24 respectively, so set up, can further guarantee the overall structure intensity between this connecting portion 22 and the first installation department 21.
As shown in fig. 4 and 5, the cross-sectional area of the connecting portion 22 gradually increases from one end of the second mounting portion 23 to one end of the first mounting portion 21, that is, the cross-sectional area of the connecting portion 22 toward one end of the first mounting portion 21 is large, and the structural strength is high, and since the mounting arm 2 is of a cantilever structure, the first mounting portion 21 is fixed to the mounting base 1, and the second mounting portion 23 is connected to the signal antenna 5, the moment on the side of the connecting portion 22 close to the first mounting portion 21 is large, and when the cross-sectional area is set to be large, the structural strength can be increased, and the situation such as deformation can be avoided, and the reliability can be ensured.
The reinforcing structure arranged between the second mounting part 23 and the connecting part 22 is a reinforcing rib 27, the reinforcing rib 27 is arranged on the side surface of the second mounting part 23 and forms a structure with a T-shaped cross section with the second mounting part 23, the reinforcing rib 27 can ensure the structural strength between the connecting part 22 and the second mounting part 23, the situations of bending and the like are avoided, and meanwhile, the reinforcing structure is simple and is beneficial to realizing light weight.
Of course, in this embodiment, the specific structures of the two reinforcing structures between the connecting portion 22 and the first mounting portion 21 and between the connecting portion 22 and the second mounting portion 23 are not limited, and the two reinforcing structures may be both provided as the reinforcing ribs 27 or both provided as the side plates 24.
As shown in fig. 6, the mounting base 1 includes a mounting plate 11 and a fixing plate 12, wherein the mounting plate 11 is fixed to the mounting arm 2 through a fixing portion, the number of the fixing plate 12 is two, one end of the fixing plate 12 is fixed to the mounting plate 11, the other end of the fixing plate 12 is provided with an arc-shaped structure 121, the arc-shaped structure 121 is matched with the outer wall of the cross beam 8, and the arc-shaped structure 121 is attached to the outer wall of the cross beam 8 and fixed by welding. So set up, can increase welding area, guarantee the connection stability between mount pad 1 and the crossbeam 8.
The reinforcing member 13 is further disposed between the fixing plate 12 and the mounting plate 11, and the specific structure of the reinforcing member 13 is not limited, for example, one reinforcing member 13 may be disposed between each fixing plate 12 and the mounting plate 11, or as shown in fig. 6, the number of the reinforcing members 13 is one, and the reinforcing members are respectively fixed to the two fixing plates 12 and the mounting plate 11, so that the overall structure can be simplified, and the structural strength and stability of the mounting base 1 can be ensured.
In this embodiment, the specific structure of the fixing portion is not limited, and as shown in fig. 3, the fixing portion includes a fixing bolt 3 and a fixing nut 4, wherein the first mounting portion 21 of the mounting arm 2 is provided with a first mounting hole 211, the mounting plate 11 of the mounting base 1 is provided with a second mounting hole 14, the pressing plate 7 is provided with a through hole, and the fixing bolt 3 can sequentially pass through the through hole, the adjusting gasket 6, the first mounting hole 211, the adjusting gasket 6, and the second mounting hole 14 and is fixed by the fixing nut 4. Or, in this embodiment, the fixing portion may be configured to include a fixing rod and a cotter pin, or the mounting base 1 is processed with a threaded hole, and the fixing bolt 3 is directly matched and fixed with the threaded hole. And when the scheme that the fixing part comprises the fixing bolt 3 and the fixing nut 4 is adopted, the flexibility is good.
The adjusting gasket 6 taken down from between the mounting arm 2 and the mounting base 1 is placed between the pressing plate 7 and the mounting arm 2, the total height is unchanged, and therefore, the fixing bolt 3 or the fixing rod does not need to be replaced, and the operability is good.
A side end face that mount pad 1 was kept away from to first mounting hole 211 is equipped with annular structure's boss 28 along circumference, and the up end of this boss 28 is equipped with the machined surface, and this machined surface is the installation of the fixing bolt 3 of being convenient for in the plane, can also thicken in the installation department of this fixing bolt 3 simultaneously, improves structural strength.
One side terminal surface that installation arm 2 was kept away from to second mounting hole 14 still is equipped with limit and changes 15, should limit and change 15 and can restrict fixation nut 4 and rotate, the top of mounting panel 11 is located to this fixation nut 4, and this fixation nut 4 is the hexagon head nut, limit and change 15 can with the lateral wall butt of hexagon head nut, in order to restrict its rotation, because the installation space of mounting panel 11 top is limited, when specifically installing, this fixation nut 4 is by limit and changes 15 restriction rotation, can follow the bottom and rotate fixing bolt 3 and can realize that the installation between installation arm 2 and the mount pad 1 is fixed, it is comparatively convenient to operate.
The mounting seat 1 is a casting or a forging of an integrated structure, and the mounting arm 2 is also a casting or a forging of an integrated structure, so that the whole structure can be simplified, the machining process can be simplified, the structural strength can be guaranteed, and the manufacturing cost can be reduced.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (14)
1. The mounting mechanism of the signal antenna is characterized by comprising two groups of mounting assemblies arranged at intervals, wherein each mounting assembly comprises a mounting seat (1), a mounting arm (2) and a fixing part, the mounting seat (1) is positioned on one side, close to a side beam (9), of a cross beam (8) of a framework, and the mounting seats (1) and the lower parts of the cross beams (8) are welded and fixed;
one end of the mounting arm (2) is fixed with the mounting seat (1) through the fixing part, the other end of the mounting arm (2) is located below the side beam (9) and can be connected with the signal antenna (5), and an adjusting gasket (6) is further arranged between the mounting arm (2) and the mounting seat (1).
2. The mounting mechanism of the signal antenna as claimed in claim 1, wherein the mounting arm (2) comprises a first mounting part (21), a connecting part (22) and a second mounting part (23) which are sequentially arranged, the first mounting part (21) can pass through the fixing part and the mounting base (1) is fixed, the second mounting part (23) can be connected with the signal antenna (5), and reinforcing structures are respectively arranged between the first mounting part (21) and the connecting part (22) and between the second mounting part (23) and the connecting part (22).
3. The mounting mechanism of the signal antenna as claimed in claim 2, wherein the reinforcing structure disposed between the first mounting portion (21) and the connecting portion (22) comprises two side plates (24), the two side plates (24) are respectively disposed at two sides of the connecting portion (22) and are connected and fixed between the side wall of the connecting portion (22) and the side wall of the first mounting portion (21), so as to form a receiving space on one side of the first mounting portion (21) away from the mounting base (1), and the receiving space can receive the adjusting gasket (6).
4. The mounting mechanism of the signal antenna according to claim 3, wherein the mounting assembly further comprises a pressing plate (7), the pressing plate (7) is located in the accommodating space and can be fixed to the first mounting portion (21) through the fixing portion, and the adjusting pad (6) located in the accommodating space can be clamped between the pressing plate (7) and the first mounting portion (21).
5. The mounting mechanism of signal antenna according to claim 3, wherein the reinforcing structure disposed between the first mounting portion (21) and the connecting portion (22) further comprises an upright plate (25) and a reinforcing plate (26), the upright plate (25) is disposed at one side end of the accommodating space facing the connecting portion (22), two ends of the upright plate (25) are respectively connected to the two side plates (24), and the reinforcing plate (26) is connected between the connecting portion (22) and the upright plate (25).
6. A mounting mechanism for a signal antenna according to any one of claims 2 to 5, wherein the cross-sectional area of the connecting portion (22) is gradually increased from one end of the second mounting portion (23) to one end of the first mounting portion (21).
7. The mounting mechanism for a signal antenna according to any one of claims 2 to 5, wherein the reinforcing structure provided between the second mounting portion (23) and the connecting portion (22) is a rib (27), and the rib (27) is provided on a side surface of the second mounting portion (23) and is formed into a T-shaped structure in cross section.
8. The mounting mechanism of the signal antenna according to any one of claims 1 to 5, wherein the mounting base (1) comprises a mounting plate (11) and two fixing plates (12), the mounting plate (11) can be fixed with the mounting arm (2) through the fixing portions, the number of the fixing plates (12) is two, one end of each fixing plate (12) is fixed with the mounting plate (11), the other end of each fixing plate (12) is provided with an arc-shaped structure (121) matched with the outer wall of the cross beam (8), and the arc-shaped structures (121) are welded and fixed with the cross beam (8).
9. Mounting mechanism for a signal antenna according to claim 8, characterized in that a reinforcement (13) is also provided between the fixing plate (12) and the mounting plate (11).
10. The mounting mechanism for a signal antenna according to any one of claims 1 to 5, wherein the fixing portion comprises a fixing bolt (3) and a fixing nut (4), and the fixing bolt (3) can sequentially pass through a first mounting hole (211) provided in the mounting arm (2), an adjusting washer (6) and a second mounting hole (14) provided in the mounting base (1) and is fixed to the fixing nut (4).
11. The mounting mechanism of the signal antenna as claimed in claim 10, wherein the end surface of the first mounting hole (211) far from the mounting base (1) is provided with a boss (28) along the circumferential direction, and the end surface of the boss (28) is provided with a machined surface.
12. The mounting mechanism of the signal antenna as claimed in claim 10, wherein a rotation limiting member (15) is further fixed to an end surface of the second mounting hole (14) away from the mounting arm (2), and the rotation limiting member (15) can limit the rotation of the fixing nut (4).
13. A mounting mechanism for a signal antenna according to any one of claims 1 to 5, characterised in that the mounting base (1) is a one-piece casting or forging and the mounting arm (2) is a one-piece casting or forging.
14. A frame comprising two side beams (9) and two cross beams (8) and a mounting mechanism for a signal antenna according to any one of claims 1 to 13, the two cross beams (8) being connected in spaced relation between the two side beams (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121506228.XU CN215732158U (en) | 2021-07-02 | 2021-07-02 | Mounting mechanism and framework of signal antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121506228.XU CN215732158U (en) | 2021-07-02 | 2021-07-02 | Mounting mechanism and framework of signal antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215732158U true CN215732158U (en) | 2022-02-01 |
Family
ID=80047035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121506228.XU Active CN215732158U (en) | 2021-07-02 | 2021-07-02 | Mounting mechanism and framework of signal antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215732158U (en) |
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2021
- 2021-07-02 CN CN202121506228.XU patent/CN215732158U/en active Active
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