Anti-seismic bridge guardrail structure

Abstract

The utility model relates to the technical field of bridge guardrails, and provides an anti-seismic bridge guardrail structure which comprises a bridge body and an anti-seismic platform, a plurality of damping shock absorbers fixedly installed at the ends, close to the anti-seismic platform, of the fixing blocks respectively, and a plurality of connecting rods fixedly installed at the ends, close to the anti-seismic platform, of the damping shock absorbers. Connecting blocks are fixedly mounted at the ends, away from the fixing block, of the multiple damping shock absorbers correspondingly. The multiple buffer springs are fixedly mounted at the ends, close to the damping shock absorber, of the multiple connecting blocks correspondingly, and the ends, away from the connecting blocks, of the multiple buffer springs are fixedly mounted at one ends of the multiple fixing blocks correspondingly; when vibration generated by the bridge body is conducted to the anti-seismic table, the vibration of the anti-seismic table is conducted to the damping shock absorbers and the buffer springs at one ends of the fixing blocks, the vibration generated by the bridge body is absorbed and counteracted by the damping shock absorbers and the buffer springs in the process that the vibration is conducted to the guardrail rod, and the anti-seismic effect on the guardrail rod is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge guardrails, in particular to an earthquake-resistant bridge guardrail structure. Background Art

[0002] Bridge guardrails refer to the guardrails installed on bridges. Their purpose is to prevent out-of-control vehicles from going over the bridge. They have the functions of preventing vehicles from breaking through, passing under, or climbing over the bridge and beautifying the bridge structure.

[0003] In the prior art, such as the Chinese patent number: CN220166667U, the utility model discloses a bridge guardrail structure, including a bridge body, guardrail structures are arranged on both sides of the top of the bridge body, the two guardrail structures include a top connecting piece, a plurality of mounting seats are fixedly arranged at the bottom end of the top connecting piece, and a guardrail is clamped at the bottom end of the plurality of mounting seats, and a plurality of telescopic rods and a plurality of buffer springs are fixedly arranged on the surface of the plurality of guardrails. The utility model is a bridge guardrail structure, which can improve the impact resistance of the guardrail through the arrangement of annular buffer pads, a plurality of arc strips, a plurality of telescopic rods, and a plurality of buffer springs, thereby improving the structural strength of the guardrail structure. By loosening two fixing bolts, the guardrail is separated from the two threaded holes and is no longer fixed to the guardrail. Then, the two locking bolts are loosened so that the fixing piece no longer limits the mounting piece, thereby facilitating the separate disassembly and replacement of the damaged guardrail.

[0004] However, the above technology will have the following disadvantages when used: when a vehicle passes through a bridge, vibration will be generated, and the vibration will be transmitted to the bridge guardrail, causing the stability of the connection between the bridge guardrails to be reduced due to the vibration, and the vibration may even cause damage to the bridge guardrail, shortening the service life of the bridge guardrail. In addition, the above technology has the advantage of improving the impact resistance of the guardrail through the arrangement of annular buffer pads, a plurality of arc strips, a plurality of telescopic rods, and a plurality of buffer springs, but the use of too many parts is not conducive to saving production costs. Therefore, an earthquake-resistant bridge guardrail structure is urgently needed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the prior art that when a vehicle passes through a bridge, vibration will be generated, and the vibration will be transmitted to the bridge guardrail, resulting in the stability of the connection between the bridge guardrails being reduced due to the vibration, and the vibration may even cause damage to the bridge guardrail, thereby shortening the service life of the bridge guardrail. In addition, the above technology has the advantage of being able to improve the impact resistance of the protective railing through the arrangement of annular buffer pads, a plurality of arc strips, a plurality of telescopic rods, and a plurality of buffer springs, but the problem of using too many parts is not conducive to saving production costs.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: an earthquake-resistant bridge guardrail structure, comprising: a bridge body and an earthquake-resistant platform, wherein a plurality of fixed blocks are fixedly installed at one end of the earthquake-resistant platform away from the bridge body, and further comprising:

[0007] A plurality of damping shock absorbers are respectively fixedly mounted on one end of the plurality of fixed blocks close to the anti-vibration platform, and a connection block is fixedly mounted on one end of the plurality of damping shock absorbers away from the fixed blocks;

[0008] A plurality of buffer springs are respectively fixedly mounted on one end of the plurality of connecting blocks close to the damping shock absorber, and one end of the plurality of buffer springs away from the connecting blocks is respectively fixedly mounted on one end of the plurality of fixing blocks;

[0009] A plurality of connecting plates are rotatably mounted on one end of the plurality of connecting blocks away from the fixed block, and a connecting column is rotatably mounted on one end of each group of two connecting plates away from the connecting block;

[0010] A plurality of mounting plates are respectively fixedly mounted on one end of the plurality of connecting columns away from the connecting plates, and a guardrail rod is fixedly mounted on one end of the plurality of mounting plates away from the connecting columns.

[0011] Preferably, a plurality of conical holes are formed at one end of the bridge body close to the plurality of anti-vibration platforms, and a fixing column is fixedly mounted at one end of the plurality of anti-vibration platforms away from the mounting plate.

[0012] The technical effect of adopting the above-mentioned further scheme is: when the vibration generated by the bridge body is transmitted to the seismic platform, the vibration of the seismic platform is transmitted to the damping shock absorber and the buffer spring at one end of the fixed block, the other end of the damping shock absorber and the buffer spring is fixed to the connecting block, the connecting block is rotatably connected to the connecting plate, the connecting plate is rotatably connected to the connecting column, the connecting column is fixedly connected to the mounting plate, the guardrail is fixed on the mounting plate, and the vibration generated by the bridge body is absorbed and offset by the damping shock absorber and the buffer spring in the process of being transmitted to the guardrail, which is beneficial to the seismic effect on the guardrail.

[0013] Preferably, a conical block is fixedly mounted on one end of each of the plurality of fixing columns away from the anti-vibration platform, and a plurality of through holes are formed on outer surfaces of the plurality of conical blocks away from the fixing columns.

[0014] The technical effect of adopting the above further solution is that the shape of the tapered block matches that of the tapered hole, making it easy to place the tapered block in the tapered hole.

[0015] Preferably, one end of the plurality of conical blocks away from the fixing column is in contact with the inner walls of the plurality of conical holes respectively, and one side of the plurality of anti-vibration tables close to the fixing column is fixedly mounted with a supporting claw.

[0016] The technical effect of adopting the above further solution is: pouring concrete into the cavity between the tapered block and the tapered hole through the through hole facilitates enhancing the stability of the connection between the tapered block and the bridge body.

[0017] Preferably, one end of the plurality of support claws away from the anti-seismic platform is fixed to one end of the bridge body by an expansion bolt, and one side of the plurality of mounting plates close to the guardrail is fixedly mounted with a circular barrel.

[0018] The technical effect of adopting the above further solution is that the supporting claws on one side of the anti-seismic platform are fixed to the bridge body by expansion bolts, thereby further enhancing the stability of the connection between the anti-seismic platform and the bridge body.

[0019] Preferably, a fixing rod is fixedly mounted on one end of each of the plurality of circular barrels away from the mounting plate.

[0020] The technical effect of adopting the above further solution is: filling the inside of the circular barrel with water, which has an energy-absorbing effect when a collision occurs, thereby improving the impact resistance of the guardrail.

[0021] Preferably, one end of the plurality of fixing rods away from the inner wall of the circular barrel is fixedly connected to one end of the plurality of guardrail rods respectively.

[0022] The technical effect of adopting the above further solution is that the circular barrel is fixed on the mounting plate, and the other end is fixed on the guardrail rod through the fixing rod, so as to enhance the stability of the circular barrel.

[0023] Preferably, a plurality of guardrails are fixed with a handrail at one end close to the fixed rod by bolts.

[0024] The technical effect of adopting the above further scheme is: the handrail rod is fixed to the guardrail rod by bolts, which makes it easy to connect multiple guardrail rods and the handrail rod into a whole, enhances stability, and makes it convenient for pedestrians to hold on to prevent falling.

[0025] Compared with the prior art, the advantages and positive effects of the utility model are:

[0026] 1. In the utility model, when the vibration generated by the bridge body is transmitted to the anti-seismic platform during use, the vibration of the anti-seismic platform is transmitted to the damping shock absorber and the buffer spring at one end of the fixed block, and the vibration generated by the bridge body is absorbed and offset by the damping shock absorber and the buffer spring during the process of being transmitted to the guardrail, which is beneficial to the anti-seismic effect of the guardrail.

[0027] 2. In the utility model, when in use, the circular barrel is fixed on the mounting plate, and the other end is fixed on the guardrail by a fixing rod, so as to enhance the stability of the circular barrel. The interior of the circular barrel is filled with water, which has an energy-absorbing effect in the event of a collision, thereby improving the impact resistance of the guardrail, which is conducive to reducing the number of parts used and saving production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 A three-dimensional structural schematic diagram of an earthquake-resistant bridge guardrail structure provided by the utility model;

[0029] Figure 2 A schematic diagram of a partial three-dimensional structure of an earthquake-resistant bridge guardrail structure provided by the utility model;

[0030] Figure 3 A schematic diagram of the unfolded three-dimensional structure of an earthquake-resistant bridge guardrail structure provided by the utility model;

[0031] Figure 4 A seismic bridge guardrail structure provided by the utility model Figure 3 Enlarged view of point A.

[0032] Legend: 1. Bridge body; 2. Conical hole; 3. Conical block; 301. Through hole; 302. Fixed column; 4. Anti-seismic table; 401. Fixed block; 5. Support claw; 6. Damping shock absorber; 7. Buffer spring; 8. Connecting block; 9. Connecting plate; 901. Connecting column; 902. Mounting plate; 903. Retractable barrel; 904. Fixed rod; 905. Guardrail; 10. Handrail. DETAILED DESCRIPTION

[0033] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0034] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0035] Embodiment 1, as Figure 1 - Figure 4 As shown, the utility model provides a seismic bridge guardrail structure, including: a bridge body 1 and a seismic platform 4, wherein a plurality of fixing blocks 401 are fixedly installed at one end of the seismic platform 4 away from the bridge body 1, and further comprising:

[0036] A plurality of damping shock absorbers 6 are respectively fixedly mounted on one end of a plurality of fixed blocks 401 close to the anti-vibration platform 4, and a connection block 8 is fixedly mounted on one end of the plurality of damping shock absorbers 6 away from the fixed blocks 401;

[0037] A plurality of buffer springs 7 are respectively fixedly mounted on one end of a plurality of connecting blocks 8 close to the damping shock absorber 6, and one end of a plurality of buffer springs 7 away from the connecting blocks 8 is respectively fixedly mounted on one end of a plurality of fixing blocks 401;

[0038] A plurality of connecting plates 9 are rotatably mounted on one end of the plurality of connecting blocks 8 away from the fixed block 401, and a connecting column 901 is rotatably mounted on one end of each group of two connecting plates 9 away from the connecting block 8;

[0039] The plurality of mounting plates 902 are respectively fixedly mounted on one end of the plurality of connecting columns 901 away from the connecting plate 9 , and the guardrail rods 905 are fixedly mounted on one end of the plurality of mounting plates 902 away from the connecting column 901 .

[0040] In this embodiment, when in use, the conical block 3 is placed in the conical hole 2, and then concrete is poured into the cavity between the conical block 3 and the conical hole 2 through the through hole 301, so as to enhance the stability of the connection between the conical block 3 and the bridge body 1. The conical block 3 is fixed to the anti-seismic platform 4 as a whole through the fixing column 302, and the supporting claw 5 on one side of the anti-seismic platform 4 is fixed to the bridge body 1 through the expansion bolt, so as to further enhance the stability of the connection between the anti-seismic platform 4 and the bridge body 1. When the bridge body 1 generates vibration and transmits it to the anti-seismic platform 4, the vibration of the anti-seismic platform 4 is transmitted to the bridge body 1. The vibration is transmitted to the damping shock absorber 6 and the buffer spring 7 at one end of the fixed block 401, and the other end of the damping shock absorber 6 and the buffer spring 7 is fixed with a connecting block 8, the connecting block 8 is rotatably connected to the connecting plate 9, the connecting plate 9 is rotatably connected to the connecting column 901, the connecting column 901 is fixedly connected to the mounting plate 902, and the guardrail 905 is fixed on the mounting plate 902. The vibration generated by the bridge body 1 is absorbed and offset by the damping shock absorber 6 and the buffer spring 7 during the process of being transmitted to the guardrail 905, which is beneficial to the seismic effect on the guardrail 905.

[0041] Embodiment 2, as Figure 1 - Figure 4 As shown, a plurality of conical holes 2 are provided at one end of the bridge body 1 close to the plurality of anti-seismic platforms 4, a fixing column 302 is fixedly installed at one end of the plurality of anti-seismic platforms 4 away from the mounting plate 902, a conical block 3 is fixedly installed at one end of the plurality of fixing columns 302 away from the anti-seismic platforms 4, a plurality of through holes 301 are provided on the outer surface of the plurality of conical blocks 3 away from the fixing column 302, one end of the plurality of conical blocks 3 away from the fixing column 302 is respectively in contact with the inner wall of the plurality of conical holes 2, and a plurality of anti-seismic platforms 4 are fixedly installed with a supporting Claws 5, one end of multiple support claws 5 away from the anti-seismic platform 4 is fixed to one end of the bridge body 1 by expansion bolts, one side of multiple mounting plates 902 close to the guardrail 905 is fixedly installed with a circular barrel 903, one end of multiple circular barrels 903 away from the mounting plates 902 is fixedly installed with a fixing rod 904, one end of multiple fixing rods 904 away from the inner wall of the circular barrel 903 is fixedly connected to one end of multiple guardrails 905 respectively, and one end of multiple guardrails 905 close to the fixing rod 904 is fixedly installed with a handrail rod 10 by bolts.

[0042] In this embodiment, when in use, one end of the circular barrel 903 is fixed to the mounting plate 902, and the other end is fixed to the guardrail 905 through the fixing rod 904, so as to enhance the stability of the circular barrel 903. The interior of the circular barrel 903 is filled with water, which has an energy-absorbing effect in the event of a collision, thereby improving the impact resistance of the guardrail 905, which is beneficial to reducing the number of parts used and saving production costs. The handrail 10 is fixed to the guardrail 905 by bolts, so as to facilitate connecting multiple guardrails 905 to the handrail 10 as a whole, thereby enhancing stability and making it convenient for pedestrians to hold on to prevent falling.

[0043] Working principle: when in use, the conical block 3 is placed in the conical hole 2, and then concrete is poured into the cavity between the conical block 3 and the conical hole 2 through the through hole 301, so as to enhance the stability of the connection between the conical block 3 and the bridge body 1, the conical block 3 is fixed as a whole with the anti-seismic platform 4 through the fixed column 302, and the supporting claw 5 on one side of the anti-seismic platform 4 is fixed to the bridge body 1 through the expansion bolt, so as to further enhance the stability of the connection between the anti-seismic platform 4 and the bridge body 1, when the bridge body 1 generates vibration and is transmitted to the anti-seismic platform 4, the vibration of the anti-seismic platform 4 is transmitted to the damping shock absorber 6 and the buffer spring 7 at one end of the fixed block 401, and the other end of the damping shock absorber 6 and the buffer spring 7 is fixed to the connecting block 8, and the connecting block 8 is rotatably connected to the connecting plate 9, and the connecting plate 9 is rotatably connected to the connecting column 901, and the connecting column 901 is fixedly connected to the mounting plate 902 Then, a guardrail 905 is fixed on the mounting plate 902. The vibration generated by the bridge body 1 is absorbed and offset by the damping shock absorber 6 and the buffer spring 7 during the process of being transmitted to the guardrail 905, which is beneficial to the seismic effect of the guardrail 905. When in use, one end of the circular barrel 903 is fixed on the mounting plate 902, and the other end is fixed to the guardrail 905 through the fixing rod 904, which is convenient for enhancing the stability of the circular barrel 903. The interior of the circular barrel 903 is filled with water, which has an energy-absorbing effect when a collision occurs, thereby improving the impact resistance of the guardrail 905, which is beneficial for reducing the number of parts used and saving production costs. The handrail 10 is fixed to the guardrail 905 by bolts, which is convenient for connecting multiple guardrails 905 with the handrail 10 as a whole, thereby enhancing stability and making it convenient for pedestrians to hold on to prevent falling.

[0044] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A seismic-resistant bridge guardrail structure, comprising a bridge body (1) and a seismic-resistant platform (4), wherein a plurality of fixing blocks (401) are fixedly mounted on one end of the seismic-resistant platform (4) away from the bridge body (1), characterized in that: Also includes: A plurality of damping shock absorbers (6) are respectively fixedly mounted on one end of the plurality of fixed blocks (401) close to the anti-vibration platform (4), and a connection block (8) is fixedly mounted on one end of the plurality of damping shock absorbers (6) away from the fixed blocks (401); A plurality of buffer springs (7) are respectively fixedly mounted on one end of the plurality of connecting blocks (8) close to the damping shock absorber (6); and an end of the plurality of buffer springs (7) away from the connecting blocks (8) is respectively fixedly mounted on one end of the plurality of fixing blocks (401); A plurality of connecting plates (9) are rotatably mounted on one end of the plurality of connecting blocks (8) away from the fixed block (401), and a connecting column (901) is rotatably mounted on one end of each group of two connecting plates (9) away from the connecting block (8); A plurality of mounting plates (902) are respectively fixedly mounted on one end of the plurality of connecting columns (901) away from the connecting plate (9), and a guardrail rod (905) is fixedly mounted on one end of the plurality of mounting plates (902) away from the connecting column (901).

2. The seismic-resistant bridge guardrail structure according to claim 1, characterized in that: A plurality of conical holes (2) are provided at one end of the bridge body (1) close to the plurality of anti-vibration platforms (4), and a fixing column (302) is fixedly installed at one end of the plurality of anti-vibration platforms (4) away from the mounting plate (902).

3. The seismic-resistant bridge guardrail structure according to claim 2 is characterized in that: A conical block (3) is fixedly mounted on one end of each of the plurality of fixed columns (302) away from the anti-vibration platform (4), and a plurality of through holes (301) are formed on the outer surfaces of the plurality of conical blocks (3) away from the fixed columns (302).

4. The seismic-resistant bridge guardrail structure according to claim 3 is characterized in that: One end of the plurality of conical blocks (3) away from the fixed column (302) is in contact with the inner wall of the plurality of conical holes (2) respectively, and one side of the plurality of anti-vibration tables (4) close to the fixed column (302) is fixedly mounted with a support claw (5).

5. The seismic-resistant bridge guardrail structure according to claim 4, characterized in that: The ends of the plurality of support claws (5) away from the anti-vibration platform (4) are fixed to one end of the bridge body (1) via expansion bolts, and the sides of the plurality of mounting plates (902) close to the guardrail (905) are fixedly mounted with a retractable barrel (903).

6. The seismic-resistant bridge guardrail structure according to claim 5, characterized in that: A fixing rod (904) is fixedly mounted on one end of each of the plurality of return-shaped barrels (903) away from the mounting plate (902).

7. The seismic-resistant bridge guardrail structure according to claim 6, characterized in that: One end of the plurality of fixing rods (904) away from the inner wall of the circular barrel (903) is fixedly connected to one end of the plurality of guardrail rods (905) respectively.

8. The seismic-resistant bridge guardrail structure according to claim 7, characterized in that: A handrail rod (10) is fixedly mounted on one end of each of the plurality of guardrail rods (905) close to the fixing rod (904) by means of bolts.

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