Railway bridge anti-seismic reinforcing structure

Abstract

The utility model relates to the technical field of railroad bridges, and discloses a railroad bridge anti-seismic reinforcing structure which comprises a box girder, the left side and the right side of the bottom end of the box girder are fixedly connected with a plurality of piers, the top of the middle pier is fixedly connected with a plurality of butt joint columns, and the bottom ends of the piers are fixedly connected with bases. A plurality of inclined supporting frames are fixedly connected to the front side and the rear side of the top end of the base, inclined supporting plates are fixedly connected to the top ends of the inclined supporting frames, stabilizing frames are fixedly connected to the middles of the outer walls of the inclined supporting frames, and a reinforcing frame is fixedly connected to the left side of the stabilizing frame on the left side. The box girders and the bridge piers form the bridge body, the butt joint columns are inserted into the box girders, the base is fixed to improve the foundation stability, the inclined supporting frames obliquely support the box girders, the reinforcing frame is used for enhancing the structural stability, the steel plate reinforces bridge connection, the triangular stability is utilized, uniform reinforcement is achieved, the strength of the bridge in the vibration process is improved, the service life is prolonged, and safety is ensured. And use requirements are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to railway bridge technical field especially relates to railway bridge seismic reinforcement structure. BACKGROUND

[0002] Railway bridge as the key node of railway traffic network, its seismic performance is directly related to the safety and unobstructed of railway transportation, in the society of earthquake frequency, earthquake disaster destroys railway bridge structure from time to time, not only will cause huge economic loss, also can cause serious personnel casualty and social influence, railway bridge seismic reinforcement structure, aims at improving the bearing capacity, stability and durability under the action of earthquake, thereby effectively reduces the damage risk of earthquake disaster to railway infrastructure, guarantees the normal operation of railway traffic, with the sustained progress and development of society, railway transportation is increasingly important in national economic construction and social life, its large volume, fast speed, high efficiency advantage, makes it become the core carrier of modern logistics and personnel flow, this also makes the seismic safety problem of railway bridge receive unprecedented attention, and the research and application of seismic reinforcement structure technology become the important topic in railway engineering field.

[0003] People mainly adopt these relatively simple and direct methods such as increasing the size of structural member and thickening reinforcement to reinforce bridge, these means enhance the overall strength of bridge to a certain extent, but can withstand the seismic force is small, with the development of society and the in-depth study of earthquake, the existing railway bridge seismic reinforcement structure adopts the method of sticking steel plate reinforcement to improve the bearing capacity of bridge, but in the long-term use process, steel plate is easy to be affected by environmental factors and rust, lead to the reinforcement effect is greatly discounted, these methods strengthen the local bridge, unable to optimize the seismic performance of bridge structure from the whole, lead to the seismic resistance and structural strength of bridge are low, reduce the service life and safety, difficult to adapt to the increasingly complex and changeable earthquake environment. CONTENT OF UTILITY MODEL

[0004] In order to make up for the above insufficient, the utility model provides railway bridge seismic reinforcement structure, aims at improving the reinforcement mode of bridge in prior art is complex, and the effect is not ideal enough, lead to the seismic resistance and structural strength are insufficient, reduce the safety and service life problem.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: railway bridge seismic strengthening structure, including box girder, the bottom left and right sides of box girder are all fixedly connected with a plurality of piers, the top of pier in the middle is all fixedly connected with a plurality of butt columns, the bottom of pier is fixedly connected with base, the top front and back sides of base are all fixedly connected with a plurality of inclined bracing frame, the top of inclined bracing frame is fixedly connected with inclined bracing plate, the middle of the outer wall of inclined bracing frame is fixedly connected with stabilizing frame, the left side of left side stabilizing frame is fixedly connected with reinforcing frame, the top of box girder is fixedly connected with steel sheet, the top rear side of steel sheet is provided with protection mechanism, and the protection mechanism is used for increasing windproof soundproof protection.

[0006] As a further description of the above technical scheme:

[0007] The protection mechanism includes a mounting plate, the bottom end of the mounting plate is fixedly connected with the top rear side of the steel plate, the rear bottom of the mounting plate is fixedly connected with a mounting frame, the top of the mounting plate is provided with a locking frame, the middle top of the locking frame is threadedly connected with a screw, the inner wall of the mounting frame is slidably connected with a protection plate, the inner wall of the protection plate is provided with a mounting groove, the inner wall of the mounting groove is fixedly connected with a sound insulation layer, and the rear bottom of the protection plate is fixedly connected with a wind guide plate.

[0008] As a further description of the above technical scheme:

[0009] The top middle of the steel plate is fixedly connected with a plurality of rail frames on the front and back sides, and the inner wall of the rail frame is fixedly connected with a plurality of rails.

[0010] As a further description of the above technical scheme:

[0011] The front bottom of the pier in the middle is fixedly connected with a nameplate, and the front corners of the nameplate are all fixedly connected with a plurality of fixed bolts.

[0012] As a further description of the above technical scheme:

[0013] The bottom of the base is fixedly connected with a plurality of foundation piles, and the plurality of foundation piles are symmetrically arranged.

[0014] As a further description of the above technical scheme:

[0015] The inner wall of the pier is provided with a maintenance platform, and the bottom left and right sides of the box girder are all provided with a plurality of maintenance openings in the middle.

[0016] As a further description of the above technical scheme:

[0017] The rear side of the inner wall of the maintenance opening is fixedly connected with a plurality of ladder rods, and the outer wall of the ladder rod is fixedly connected with a plurality of stepping rods.

[0018] As a further description of the above technical solutions:

[0019] The outer wall of the left side of the pier is fixedly connected with a plurality of climbing frames, and the plurality of climbing frames are equidistantly arranged.

[0020] The utility model has the advantages of the following:

[0021] 1. In the utility model, the box girder and the pier are fixedly connected to form a bridge body, the butt joint column on the pier is inserted into the inside of the box girder to strengthen the connection, the base at the bottom end of the pier is fixed, the stability of the foundation is enhanced, and the box girder is supported obliquely through the cooperation of the inclined bracing frames and the stabilizing frames, the stabilizing frames and the reinforcing frames are further installed between the inclined bracing frames to enhance the structural stability, the steel plate is laid on the top of the box girder, the bridge reinforcement connection is realized, the structure utilizes the stability of the triangle, is uniformly reinforced, the strength of the bridge during vibration is improved, the service life is prolonged, the safety is ensured, and the use requirement is met.

[0022] 2. In the utility model, the mounting plate is fixed on one side of the bridge deck, the bottom mounting frame can be clamped into the protective plate, and the top locking frame is fixed through screws, so that the protective plate is attached and clamped, the protective plate is provided with a mounting groove to install the sound insulation layer, the sound insulation wall is formed, and the wind deflector is connected to the protective plate to prevent the influence of strong wind on the bridge body. This structure enhances the windproof and sound insulation functions of the bridge, improves the use effect, is convenient to install, meets the use requirement. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The utility model provides a front side perspective view of the steel plate of the railway bridge anti-seismic reinforcing structure;

[0024] Figure 2 The utility model provides a base partial structure split drawing of the railway bridge anti-seismic reinforcing structure;

[0025] Figure 3 The utility model provides a sound insulation layer partial structure view of the railway bridge anti-seismic reinforcing structure;

[0026] Figure 4 The utility model provides a box girder partial structure display view of the railway bridge anti-seismic reinforcing structure;

[0027] Figure 5 The utility model provides a pier partial structure schematic view of the railway bridge anti-seismic reinforcing structure.

[0028] LEGEND:

[0029] 1, box girder;2, protection mechanism;201, mounting plate;202, mounting frame;203, locking frame;204, screw;205, protection plate;206, mounting groove;207, sound insulation layer;208, air deflector;3, pier;4, butt joint column;5, base;6, inclined brace frame;7, inclined brace plate;8, stabilizing frame;9, reinforcing frame;10, steel plate;11, rail frame;12, track;13, nameplate;14, fixing bolt;15, foundation pile;16, maintenance platform;17, maintenance opening;18, ladder rod;19, step rod;20, climbing frame. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] Please refer to the drawings in the embodiments of the utility model Figure 1 , the drawings in the embodiments of the utility model Figure 2 and the drawings in the embodiments of the utility model Figure 4 , one embodiment provided by the utility model: railway bridge anti-seismic reinforcing structure, including box girder 1, the bottom end left and right sides of box girder 1 are fixedly connected with multiple piers 3, the top of middle pier 3 is fixedly connected with multiple butt joint columns 4, the bottom end of pier 3 is fixedly connected with base 5, the top end front and back sides of base 5 are fixedly connected with multiple inclined brace frames 6, the top of inclined brace frame 6 is fixedly connected with inclined brace plate 7, the outer wall middle part of inclined brace frame 6 is fixedly connected with stabilizing frame 8, the left side of left stabilizing frame 8 is fixedly connected with reinforcing frame 9, the top of box girder 1 is fixedly connected with steel plate 10, the top rear side of steel plate 10 is provided with protection mechanism 2, protection mechanism 2 is used for increasing windproof sound insulation protection;

[0032] Specifically, box girder 1 is connected with multiple piers 3, these piers 3 support the whole structure, the top of pier 3 is also fixedly connected with multiple butt joint columns 4, these butt joint columns 4 are used to ensure the stability of structure and the reliability of connection, base 5 is the basis of the whole structure, it provides firm support for the whole structure, these inclined brace frames 6 not only increase the stability of structure, but also can disperse and bear the pressure from different directions, inclined brace plate 7 further enhances the rigidity and stability of structure, stabilizing frame 8 is to further improve the stability and wind resistance of structure, the role of reinforcing frame 9 is to further reinforce structure, ensure that it does not deform when bearing pressure, steel plate 10 not only enhances the strength of structure, but also provides additional protective layer, protection mechanism 2 is specially used to increase windproof and sound insulation effect, to ensure that structure can maintain good performance in adverse weather conditions.

[0033] Please refer to the drawings in the embodiments of the utility modelFigure 1 Appendix Figure 3 and attached Figure 4 The protective mechanism 2 includes a mounting plate 201. The bottom end of the mounting plate 201 is fixedly connected to the rear side of the top end of the steel plate 10. A mounting bracket 202 is fixedly connected to the bottom rear side of the mounting plate 201. A locking bracket 203 is installed on the top end of the mounting plate 201. A screw 204 is threadedly connected to the middle of the top end of the locking bracket 203. A protective plate 205 is slidably connected to the inner wall of the mounting bracket 202. An installation groove 206 is opened on the inner wall of the protective plate 205. A sound insulation layer 207 is fixedly connected to the inner wall of the installation groove 206. An air guide plate 208 is fixedly connected to the bottom rear side of the protective plate 205.

[0034] Specifically, the mounting plate 201 is tightly integrated with the steel plate 10, which not only enhances the structural stability but also ensures the stability of the mounting plate 201 during use. The mounting bracket 202 provides additional support and stability for the entire mechanism. The locking bracket 203 is threadedly connected to the screw 204, which allows the locking bracket 203 to be firmly fixed to the mounting plate 201 and also facilitates disassembly and adjustment when needed. The protective plate 205 on the inner wall of the mounting bracket 202 slides on the inner wall of the mounting bracket 202, thereby providing flexible protective coverage. The inner wall of the mounting groove 206 is fixedly connected to the sound insulation layer 207, which not only enhances the sound insulation effect of the protective plate 205 but also ensures the stability and durability of the sound insulation layer 207. The air guide plate 208 at the bottom rear side of the protective plate 205 guides airflow, reduces noise, and protects the internal structure from the influence of the external environment.

[0035] Please see the appendix Figure 1 and attached Figure 2 Multiple rail frames 11 are fixedly connected to the top center and front and rear sides of the steel plate 10. Multiple rails 12 are fixedly connected to the inner wall of the rail frame 11. A nameplate 13 is fixedly connected to the bottom front side of the middle pier 3. Multiple fixing bolts 14 are fixedly connected to the front corner of the nameplate 13. Multiple foundation piles 15 are fixedly connected to the bottom of the base 5. The multiple foundation piles 15 are arranged symmetrically among each other.

[0036] Specifically, these rail frames 11 are connected to multiple rails 12 to ensure the stability and functionality of the structure. A nameplate 13 is fixedly connected to the bottom front side of the central pier 3. This nameplate 13 not only serves as an identifier, but also has multiple fixing bolts 14 fixedly connected to its front corners. These fixing bolts 14 further enhance the stability of the structure. Multiple foundation piles 15 are fixedly connected to the bottom of the base 5. These foundation piles 15 are symmetrically arranged to provide uniform support force and ensure the stability and safety of the entire structure.

[0037] Please see the appendix Figure 1 Appendix Figure 4 and attached Figure 5The inner wall of the pier 3 is provided with a maintenance platform 16, the bottom end of the box girder 1 is provided with a plurality of maintenance openings 17 on the left and right sides, the rear side of the inner wall of the maintenance opening 17 is fixedly connected with a plurality of ladder rods 18, the outer wall of the ladder rod 18 is fixedly connected with a plurality of stepping rods 19, the outer wall of the left side of the left side pier 3 is fixedly connected with a plurality of climbing frames 20, and the plurality of climbing frames 20 are arranged at equal intervals.

[0038] Specifically, the maintenance platform 16 is convenient for daily inspection and maintenance, the plurality of maintenance openings 17 not only facilitate the maintenance of the box girder 1, but also ensure the safety of the maintenance personnel, the rear side of the inner wall of each maintenance opening 17 is fixedly connected with a plurality of ladder rods 18, the ladder rods 18 provide a stable climbing path for the maintenance personnel, the outer wall of the ladder rod 18 is fixedly connected with a plurality of stepping rods 19, the stepping rods 19 make the climbing process more safe and convenient, and the outer wall of the left side of the left side pier 3 is provided with a plurality of climbing frames 20, and the plurality of climbing frames 20 are arranged at equal intervals, which is not only beautiful, but also provides additional support points for the maintenance personnel, so that the climbing and operation are more efficient and safe.

[0039] Working principle: the box girder 1 and the pier 3 are fixedly connected to form a bridge body, and the abutting column 4 is inserted into the box girder 1 to strengthen the connection, the bottom end of the pier 3 is fixedly connected with the base 5 to enhance the stability of the foundation, the inclined support frame 6 is fixed on the base 5, the inclined support plate 7 is fixed between the stabilizing frame 8 and the inclined support frame 6, thereby the box girder 1 can be obliquely supported and reinforced, the stabilizing frame 8 is fixed between the inclined support frames 6 to enhance the stability of the inclined support frame 6, the reinforcing frame 9 is fixedly connected to the inclined support frame 6 to further support the box girder 1, and finally the steel plate 10 is fixedly connected to the top of the box girder 1, so as to realize the reinforced connection between the bridges, and the structure can fully utilize the stability of the triangle to reinforce in multiple directions, improve the uniformity of reinforcement, thereby improving the strength when the vibration comes, prolonging the service life and safety of the bridge, and meeting the use requirement;

[0040] The installation plate 201 is fixed on one side of the bridge deck close to the residential building, and the installation plate 201 is provided with the installation frame 202 at the bottom, the protective plate 205 can be clamped into the installation frame 202, the locking frame 203 at the top of the installation plate 201 is tightened by the screw 204, so as to fit and clamp the protective plate 205, and the installation slot 206 is formed on the protective plate 205 for installing the sound insulation layer 207, so as to form a sound insulation wall surface, and the air deflector 208 is fixedly connected to the protective plate 205, so as to avoid that the strong wind directly acts on the bridge body, the structure increases the functions of windproof and sound insulation, improves the use effect of the bridge, and is convenient to install, and meets the use requirement.

[0041] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. Railway bridge seismic reinforcement structure, comprising a box girder (1), characterized in that: The bottom end of the box girder (1) is fixedly connected with a plurality of piers (3), the top of the pier (3) is fixedly connected with a plurality of butt columns (4), the bottom of the pier (3) is fixedly connected with a base (5), the top of the base (5) is fixedly connected with a plurality of inclined support frames (6), the top of the inclined support frame (6) is fixedly connected with an inclined support plate (7), the outer wall of the inclined support frame (6) is fixedly connected with a stabilizing frame (8), the left side of the stabilizing frame (8) is fixedly connected with a reinforcing frame (9), the top of the box girder (1) is fixedly connected with a steel plate (10), the top of the steel plate (10) is provided with a protection mechanism (2), and the protection mechanism (2) is used to increase the windproof and soundproof protection.

2. The railway bridge seismic strengthening structure according to claim 1, characterized in that: The protection mechanism (2) comprises a mounting plate (201), the bottom end of the mounting plate (201) is fixedly connected with the top rear side of the steel plate (10), the rear bottom of the mounting plate (201) is fixedly connected with a mounting frame (202), the top of the mounting plate (201) is provided with a locking frame (203), the top middle of the locking frame (203) is threadedly connected with a screw (204), the inner wall of the mounting frame (202) is slidably connected with a protection plate (205), the inner wall of the protection plate (205) is provided with a mounting groove (206), the inner wall of the mounting groove (206) is fixedly connected with a sound insulation layer (207), and the rear bottom of the protection plate (205) is fixedly connected with a guide plate (208).

3. The railway bridge seismic strengthening structure according to claim 1, characterized in that: The top middle of the steel plate (10) is fixedly connected with a plurality of rail frames (11), and the inner wall of the rail frame (11) is fixedly connected with a plurality of rails (12).

4. The railway bridge seismic strengthening structure according to claim 1, characterized in that: The front bottom of the pier (3) is fixedly connected with a nameplate (13), and the front corners of the nameplate (13) are fixedly connected with a plurality of fixing bolts (14).

5. The railway bridge seismic strengthening structure according to claim 1, characterized in that: The bottom end of the base (5) is fixedly connected with a plurality of foundation piles (15), and the plurality of foundation piles (15) are symmetrically arranged.

6. The railway bridge seismic strengthening structure according to claim 1, characterized in that: The inner wall of the pier (3) is provided with a maintenance table (16), and the bottom end of the box girder (1) is provided with a plurality of maintenance openings (17).

7. The railway bridge seismic strengthening structure according to claim 6, characterized in that: The inner wall of the maintenance opening (17) is fixedly connected with a plurality of ladder rods (18), and the outer wall of the ladder rod (18) is fixedly connected with a plurality of stepping rods (19).

8. The railway bridge seismic strengthening structure according to claim 1, characterized in that: The outer wall of the pier (3) is fixedly connected with a plurality of climbing frames (20), and the plurality of climbing frames (20) are equidistantly arranged.

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