Railway bridge anti-seismic reinforcing structure
Technical Field
The utility model relates to the technical field of railway bridges, in particular to a railway bridge anti-seismic reinforcing structure.
Background
The railway bridge is used as a key node of a railway traffic network, the earthquake resistance is directly related to the safety and smoothness of railway transportation, and in the society with frequent earthquake, the earthquake disaster damages the railway bridge structure, so that huge economic loss can be caused, serious casualties and social influence can be caused, the railway bridge earthquake-resistant reinforcing structure aims to improve the bearing capacity, stability and durability under the earthquake action, thereby effectively reducing the damage risk of the earthquake disaster to railway infrastructure, guaranteeing the normal running of railway traffic, and along with the continuous progress and development of society, the status of the railway transportation in national economic construction and social life is more important, and the advantages of large transportation capacity, high speed and high efficiency are realized, so that the railway bridge is a core carrier for the flow of modern logistics and personnel, the earthquake-resistant safety problem of the railway bridge is paid unprecedented attention, and the research and application of the earthquake-resistant reinforcing structure technology become an important subject in the railway engineering field.
The method mainly comprises the steps of increasing the size of structural members and reinforcing steel bars, wherein the method is simple and direct, the whole strength of the bridge is enhanced to a certain extent, but the method can bear small earthquake acting force, the bearing capacity of the bridge is improved by adopting a pasting steel plate reinforcing method along with the development of society and the deep of earthquake researches, the steel plate is easy to be corroded due to environmental factors in the long-term use process, the reinforcing effect is greatly reduced, the method is aimed at the local reinforcement of the bridge, the earthquake resistance of the bridge structure cannot be optimized on the whole, the earthquake resistance and the structural strength of the bridge are lower, the service life and the safety are reduced, and the method is difficult to adapt to increasingly complex and changeable earthquake environments.
Disclosure of utility model
In order to make up for the defects, the utility model provides a railway bridge anti-seismic reinforcing structure, which aims to solve the problems that the reinforcing mode of a bridge in the prior art is complex, the effect is not ideal enough, the shock resistance and the structural strength are insufficient, and the safety and the service life are reduced.
In order to achieve the aim, the railway bridge anti-seismic reinforcing structure comprises a box girder, wherein a plurality of piers are fixedly connected to the left side and the right side of the bottom end of the box girder, a plurality of butt posts are fixedly connected to the top of the middle of the pier, a base is fixedly connected to the bottom end of the pier, a plurality of diagonal brackets are fixedly connected to the front side and the rear side of the top end of the base, diagonal plates are fixedly connected to the top ends of the diagonal brackets, a stabilizer is fixedly connected to the middle of the outer wall of the diagonal brackets, a reinforcing frame is fixedly connected to the left side of the stabilizer, a steel plate is fixedly connected to the top end of the box girder, a protection mechanism is arranged on the rear side of the top of the steel plate, and the protection mechanism is used for increasing windproof and soundproof protection.
As a further description of the above technical solution:
The protection mechanism comprises a mounting plate, the bottom of mounting plate and the top rear side fixedly connected with mounting bracket of steel sheet, the locking frame is installed on the top of mounting plate, the top middle part threaded connection of locking frame has the screw, the inner wall sliding connection of mounting bracket has the guard plate, the mounting groove has been seted up to the inner wall of guard plate, the inner wall fixedly connected with puigging of mounting groove, the rear side bottom fixedly connected with aviation baffle of guard plate.
As a further description of the above technical solution:
The steel plate is characterized in that a plurality of rail frames are fixedly connected to the front side and the rear side of the middle of the top end of the steel plate, and a plurality of rails are fixedly connected to the inner walls of the rail frames.
As a further description of the above technical solution:
The middle part the front side bottom fixedly connected with data plate of pier, the front side corner department of data plate all fixedly connected with a plurality of gim blocks.
As a further description of the above technical solution:
The bottom of base all fixedly connected with a plurality of foundation piles, a plurality of all symmetrical arrangement between the foundation pile.
As a further description of the above technical solution:
maintenance platform has been seted up to the inner wall of pier, a plurality of maintenance mouths have all been seted up at the bottom left and right sides middle part of case roof beam.
As a further description of the above technical solution:
The inner wall rear side of maintenance mouth all fixedly connected with a plurality of ladder bars, the outer wall of ladder bar all fixedly connected with a plurality of pedal bars.
As a further description of the above technical solution:
The left side the outer wall left side of pier all fixedly connected with a plurality of frames of climbing, a plurality of climb and equally spaced the range between the frame.
The utility model has the following beneficial effects:
1. According to the utility model, the box girder and the bridge pier are fixedly connected to form the bridge body, the butt-joint column on the bridge pier is inserted into the box girder to strengthen the connection, the base at the bottom end of the bridge pier is fixed, the foundation stability is enhanced, the box girder is obliquely supported through the cooperation of the inclined strut frame and the inclined strut frame, the inclined strut frame is also provided with the stable frame and the reinforcing frame, so that the structural stability is enhanced, the steel plate is paved at the top of the box girder, the bridge reinforcement connection is realized, the structure is uniformly reinforced by utilizing the triangular stability, the strength of the bridge in vibration is improved, the service life is prolonged, the safety is ensured, and the use requirement is met.
2. According to the utility model, the mounting plate is fixed on one side of the bridge deck, the bottom mounting frame can be clamped into the protection plate, the top locking frame is fixed by the screws, the protection plate is provided with the mounting groove for mounting the sound insulation layer to form the sound insulation wall, and the wind deflector is connected to the protection plate to prevent strong wind from affecting the bridge body.
Drawings
FIG. 1 is a perspective view of the front side of a steel plate of a railway bridge seismic strengthening structure;
FIG. 2 is a partial structural exploded view of a base of the railway bridge seismic strengthening structure according to the present utility model;
FIG. 3 is a partial block diagram of a sound insulation layer of the railway bridge seismic strengthening structure;
FIG. 4 is a diagram showing a box girder local structure of the railway bridge seismic strengthening structure according to the present utility model;
fig. 5 is a schematic diagram of a pier local structure of the railway bridge seismic strengthening structure provided by the utility model.
Legend description:
1. The box girder, 2, the protection mechanism, 201, the mounting plate, 202, the mounting frame, 203, the locking frame, 204, the screw, 205, the protection plate, 206, the mounting groove, 207, the sound insulation layer, 208, the air deflector, 3, the bridge pier, 4, the butt joint post, 5, the base, 6, the diagonal bracing frame, 7, the diagonal bracing plate, 8, the stabilizing frame, 9, the reinforcing frame, 10, the steel plate, 11, the rail frame, 12, the rail, 13, the nameplate, 14, the fixing bolt, 15, the foundation pile, 16, the maintenance platform, 17, the maintenance port, 18, the ladder bar, 19, the pedal bar, 20 and the climbing frame.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, 2 and 4, the railway bridge earthquake-resistant reinforcing structure provided by the utility model comprises a box girder 1, wherein a plurality of piers 3 are fixedly connected to the left side and the right side of the bottom end of the box girder 1, a plurality of butt posts 4 are fixedly connected to the top of a middle pier 3, a base 5 is fixedly connected to the bottom end of the pier 3, a plurality of diagonal brackets 6 are fixedly connected to the front side and the rear side of the top end of the base 5, diagonal plates 7 are fixedly connected to the top end of the diagonal brackets 6, a stabilizer 8 is fixedly connected to the middle part of the outer wall of the diagonal brackets 6, a reinforcing frame 9 is fixedly connected to the left side of the stabilizer 8, a steel plate 10 is fixedly connected to the top end of the box girder 1, a protection mechanism 2 is arranged at the rear side of the top of the steel plate 10, and the protection mechanism 2 is used for increasing windproof sound insulation protection;
specifically, the box girder 1 is connected with a plurality of piers 3, the piers 3 support the whole structure, the top of the piers 3 is fixedly connected with a plurality of butt posts 4, the butt posts 4 are used for ensuring the stability of the structure and the reliability of connection, the base 5 is the foundation of the whole structure and provides stable support for the whole structure, the inclined support frames 6 not only increase the stability of the structure, but also disperse and bear the pressure from different directions, the inclined support plates 7 further enhance the rigidity and the stability of the structure, the stabilizing frames 8 are used for further enhancing the stability and the wind resistance of the structure, the reinforcing frames 9 further strengthen the structure and ensure that the steel plates 10 are not deformed when bearing the pressure, the steel plates 10 not only enhance the strength of the structure, but also provide additional protection layers, and the protection mechanism 2 is specially used for increasing the wind prevention and sound insulation effects so as to ensure that the structure can maintain good performance under severe weather conditions.
Referring to fig. 1, 3 and 4, the protection mechanism 2 includes a mounting plate 201, a bottom end of the mounting plate 201 is fixedly connected with a rear side of a top end of a steel plate 10, a mounting frame 202 is fixedly connected with a bottom end of the mounting plate 201, a locking frame 203 is mounted at a top end of the mounting plate 201, a screw 204 is screwed in a middle part of the top end of the locking frame 203, a protection plate 205 is slidably connected with an inner wall of the mounting frame 202, an installation groove 206 is formed in an inner wall of the protection plate 205, a sound insulation layer 207 is fixedly connected with an inner wall of the installation groove 206, and an air deflector 208 is fixedly connected with a bottom end of the rear side of the protection plate 205;
Specifically, mounting panel 201 and steel sheet 10 close combination has not only strengthened the steadiness of structure, still ensured the stability of mounting panel 201 in the use, mounting bracket 202 provides extra support and stability for whole mechanism, locking frame 203 threaded connection is screw 204, this makes locking frame 203 can fix firmly on mounting panel 201, the guard plate 205 of mounting bracket 202 inner wall slides on mounting bracket 202 inner wall also being convenient for dismantle and adjust when required simultaneously, thereby flexible protection cover is provided, the inner wall fixedly connected with puigging 207 of mounting groove 206, not only strengthened the sound insulation effect of guard plate 205, still ensured stability and the durability of puigging 207, the effect of the aviation baffle 208 of guard plate 205 rear side bottom is the guide air current, reduce noise, and protect inner structure from external environment's influence.
Referring to fig. 1 and 2, a plurality of rail frames 11 are fixedly connected to the front side and the rear side of the middle part of the top end of a steel plate 10, a plurality of rails 12 are fixedly connected to the inner walls of the rail frames 11, nameplates 13 are fixedly connected to the bottom of the front side of a middle pier 3, a plurality of fixing bolts 14 are fixedly connected to the corners of the front side of the nameplates 13, a plurality of foundation piles 15 are fixedly connected to the bottom end of a base 5, and the foundation piles 15 are symmetrically distributed;
Specifically, these rail brackets 11 are connected with a plurality of tracks 12 to ensure stability and functionality of structure, at the front side bottom fixedly connected with nameplate 13 of middle part pier 3, this nameplate 13 not only plays the sign effect, and its front side corner department all fixedly connected with a plurality of gim bolts 14, and the steadiness of structure has further been strengthened to these gim bolts 14, and the bottom of base 5 all fixedly connected with a plurality of foundation piles 15, all symmetrical arrangement between these foundation piles 15 is in order to provide even holding power, ensures the stability and the safety of whole structure.
Referring to fig. 1, 4 and 5, a maintenance platform 16 is provided on the inner wall of the pier 3, a plurality of maintenance openings 17 are provided in the middle of the left and right sides of the bottom end of the box girder 1, a plurality of ladder bars 18 are fixedly connected to the rear side of the inner wall of the maintenance opening 17, a plurality of pedal bars 19 are fixedly connected to the outer wall of the ladder bars 18, a plurality of climbing frames 20 are fixedly connected to the left side of the outer wall of the left pier 3, and the climbing frames 20 are equidistantly arranged;
specifically, the maintenance platform 16 is convenient for carry out daily inspection and maintenance work, a plurality of maintenance ports 17 have not only made things convenient for the maintenance to the inside of box girder 1, still ensured maintenance personnel's safety, the inner wall rear side of every maintenance port 17 all fixedly connected with a plurality of ladder bars 18, these ladder bars 18 provide stable climbing route for maintenance personnel, on the outer wall of ladder bar 18, a plurality of pedal levers 19 of fixedly connected with again, pedal lever 19 makes the climbing process safer and more convenient, the outer wall left side of left side pier 3 has a plurality of climbing frames 20, all equidistant arrangement between these climbing frames 20, not only pleasing to the eye, provide extra supporting point moreover for maintenance personnel, make climbing and operation more high-efficient and safe.
The bridge body is formed by fixedly connecting the box girder 1 and the bridge pier 3, the butt-joint columns 4 are inserted into the box girder 1 to be connected in a reinforcing way, as the base 5 is fixed at the bottom end of the bridge pier 3 to strengthen the stability of a foundation, the diagonal bracing frame 6 is fixed on the base 5, the diagonal bracing plate 7 is fixed between the stabilizing frame 8 and the diagonal bracing frame 6, the stabilizing frame 8 is further fixed between the diagonal bracing frames 6 to strengthen the stability of the diagonal bracing frame 6, the reinforcing frame 9 is fixedly connected to the diagonal bracing frame 6 to further support the box girder 1, and finally the steel plates 10 are fixedly paved at the joint of the top of the box girder 1, so that the reinforcing connection between the bridges is realized, the structure can fully utilize the stability of triangles to strengthen, the uniformity of reinforcing is improved, the temporary strength of vibration is improved, the service life and the safety of the bridge are improved, and the use requirement is met in multiple directions;
One side that is close to the residential building on the bridge floor through mounting panel 201 is fixed, and mounting panel 201 bottom has set up mounting bracket 202, can go into mounting bracket 202 with guard plate 205 card, the locking frame 203 at cooperation mounting panel 201 top is screwed up by screw 204, thereby laminate and clip guard plate 205, and set up mounting groove 206 on the guard plate 205 and be used for installing puigging 207, make it form a wall that gives sound insulation, and still fixedly connected with aviation baffle 208 on guard plate 205, thereby avoid strong wind directly to act on the bridge body, such structure has increased the functionality of preventing wind and giving sound insulation, the result of use of bridge has been promoted, and it is convenient to install, and the user demand has been satisfied.
It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.