CN117552312A

CN117552312A - Bridge with combined structure and construction method thereof

Info

Publication number: CN117552312A
Application number: CN202311480972.0A
Authority: CN
Inventors: 司维; 刘湘萍; 田平华; 刘安宁; 王迎春; 苏彤毅; 邱锴; 梁亚东; 董利鹏; 赵春瑶; 冠环儒; 宗如欢; 潘宝宁
Original assignee: Ningxia Highway Survey And Design Institute Co ltd
Current assignee: Ningxia Highway Survey And Design Institute Co ltd
Priority date: 2023-11-08
Filing date: 2023-11-08
Publication date: 2024-02-13

Abstract

The embodiment of the application provides a combined structure bridge and a construction method thereof, which relate to the technical field of traffic, and the combined structure bridge comprises a bottom fixing component, a connecting and stabilizing component, a warning side protection component, a connecting and stabilizing component and a top platform component. The side fixed beams are hoisted to two ends of the bridge body, the bottoms of the spliced beams are placed in the sliding cavity parts, the sliding cavity parts are assembled in a sliding mode, then, the spliced beams are paved on the tops of the side fixed beams according to corresponding directions, the guardrails are preassembled on the police fixed seats, the police fixed seats are assembled on the spliced beams, the middle clamping plate parts are installed at the bottoms of the spliced parts, the middle clamping plate parts fasten and limit the police fixed seats and the guardrails, the top platform assembly is formed by splicing multiple groups, then the first platform plate parts and the second platform plate parts are paved on the spliced parts according to directions, and finally, the third platform plate parts are hung on the second platform plate parts through auxiliary connecting parts and main connecting parts, so that the bridge erection work is finally completed.

Description

Bridge with combined structure and construction method thereof

Technical Field

The application relates to the technical field of traffic, in particular to a bridge with a combined structure and a construction method thereof.

Background

Bridge is a structure which is generally erected on rivers, lakes and seas and can smoothly pass vehicles, pedestrians and the like; in order to adapt to the traffic industry of modern high-speed development, bridges are also spreading to span mountain stream, poor geology or buildings which are erected to meet other traffic demands and enable the traffic to be more convenient; the bridge is generally composed of an upper structure, a lower structure, a support and an accessory structure, wherein the upper structure is also called a bridge span structure and is a main structure for crossing obstacles; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the support is a force transmission device arranged at the supporting position of the bridge span structure and the bridge pier or the bridge abutment; the auxiliary structure refers to bridge head butt strap, cone slope protection, shore protection, diversion engineering and the like;

in an environment where roads cannot be laid, such as small-sized ravines, mountain stream and the like, bridges are required to be erected to pass daily for pedestrians or vehicles, and when the pedestrians or vehicles cannot pass normally due to long-term repair or collapse caused by damage of natural disasters, a bridge needs to be rebuilt for the purpose of restoring the pass, and the construction period of the bridge is larger, during the period, the pedestrians or vehicles cannot pass, and if the pedestrians or vehicles cannot be constructed as soon as possible, the normal pass of the pedestrians and the vehicles is affected.

Therefore, the spliced bridge is required to recover the rapid passing work, the spliced bridge is usually integrated, the framework of the spliced bridge is large and is difficult to convey, the spliced bridge is large in size and complex in splicing, and the whole disassembly strength of the spliced bridge is also large, so that the combined structure bridge is specially invented for solving the problems.

Disclosure of Invention

The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides a combined structure bridge, through adopting quick concatenation formula, can assemble bridge parts fast and convenient to when assembling, not only can laborsaving convenient, also be difficult for reducing bridge intensity simultaneously, resume pedestrian and the normal traffic of vehicle.

The application is realized in such a way that:

the application provides a composite structure bridge, including:

the bottom fixing assembly comprises a side fixing beam;

the connecting and stabilizing assembly comprises a splicing beam and a pushing cylinder piece, and the pushing cylinder piece is arranged at one end of the splicing beam;

the warning side protection assembly comprises a guardrail and is used for protecting the side edge of the bridge;

the connecting and stabilizing component comprises a connecting piece and a connecting piece, and is used for clamping and fixing the plate;

the top platform assembly comprises a first platform plate and a second platform plate, and the second platform plate is arranged at one end of the first platform plate.

According to the combined structure bridge, the sliding cavity piece is arranged at the top of the side fixed beam;

the center department of the solid roof beam bottom of side is connected with the gliding piece, both sides all are connected with the solid board of side around the solid roof beam bottom of side, and the relative one side of two solid roof beams of side is provided with a plurality of middle firmware vertically and horizontally.

According to the combined structure bridge of this application embodiment, even steady subassembly has a plurality of, the draw-in groove has been seted up on the right side of spliced girder, the left side of spliced girder is connected with the fastener, the interior surface of spliced girder runs through and has seted up logical groove, the quantity of propelling movement section of thick bamboo spare is a plurality of.

According to the combined structure bridge of the embodiment of the application, the bottom of the guardrail is provided with the warning solid seat, and one side opposite to the two warning solid seats is provided with the limited firmware.

According to the combined structure bridge of the embodiment of the application, the bottom of the police solid seat is connected with the side supporting plate, and the top of the police solid seat is provided with the fence solid groove.

According to the combined structure bridge of this application embodiment, the both sides of guardrail all are connected with warning plate, the bottom of guardrail is connected with the pre-clamping piece.

According to the combined structure bridge of the embodiment of the application, the walking groove is transversely formed in the center of the top of the connector, the stop blocks are uniformly and horizontally distributed on the top of the connector, and the middle clamping plate is connected to the bottom of the connector.

According to the combined structure bridge of this application embodiment, the quantity of first platform plate is a plurality of, the second platform plate is two, the equal swing joint in both sides has the live cardboard spare around first platform plate and the second platform plate, both sides all are connected with the gyro wheel piece around first platform plate and the second platform plate bottom, the bottom of first platform plate and second platform plate all is connected with down the piece, and two opposite sides of second platform plate all are connected with main connecting piece.

According to the combined structure bridge of the embodiment of the application, one end of the first plate is provided with a third plate, the bottom of the third plate is obliquely provided with an inclined fixing plate, and one end of the top of the third plate is connected with an auxiliary connecting piece.

The construction method according to the embodiment of the application comprises the following steps:

firstly, performing bridge edge reinforcement, namely pre-reinforcing two ends of the ground at two ends of a bridge body by adopting a construction method with the same structure, the same type and the same span to prevent the final erection of the bridge body at the two ends from subsidence in order to enhance the supporting strength of the bridge edge;

the method comprises the following steps: before construction, cleaning construction sites and sites at bridge positions, cutting and chiseling off barriers such as concrete with lower strength at two ends of a bridge body and other structures affecting construction, driving cement piles with a certain depth into the ground at two ends, paving structural steel immediately, adopting steel wires to tie, finally pouring concrete, and maintaining to ensure the stability of two sides of the bridge body;

after bridge splicing work is carried out and bridge edges are reinforced, the side fixed beams are hoisted to two ends of the bridge body by using a hoisting machine, and the middle firmware increases the placement stability of the side fixed beams;

then, the bottom of the spliced girder is placed in the sliding cavity piece, and the sliding blocks corresponding to the sliding cavity piece are integrally formed at the bottom of the spliced girder, so that the spliced girder can be smoothly assembled in the sliding cavity piece on the side fixed girder in a sliding way;

then, installing and paving a plurality of spliced beams on the top of the side fixed beams according to corresponding directions, installing and arranging corresponding clamping pieces and clamping grooves on the surface of each spliced beam, splicing and fixing adjacent spliced beams, inserting a warning fixed seat into the through groove through the limiting pieces, connecting the warning fixed seat with the spliced beams, preassembling guardrails on the warning fixed seat, and starting the next splicing work after assembling the warning fixed seats on the spliced beams;

the bottom of the connecting piece is provided with a middle clamping plate piece, the middle clamping plate piece can be inserted into the through groove and the limiting piece to fasten the warning solid seat, so that the warning solid seat and the guardrail are not easy to separate from the splicing beam, and then a plurality of connecting pieces are arranged on the top of the splicing beam according to the steps, so that the assembly work of the bridge skeleton is completed;

then, assembling the bridge deck, wherein the top platform assembly is formed by splicing a plurality of groups of plates, the upper parts of the first plate and the second plate are identical in structure, when the top platform assembly is assembled, the plurality of first plate and the second plate are placed according to the direction, the roller parts can slide in the running grooves through the tops of the connecting parts, and the descending parts are contacted with the pushing barrel parts, so that the first plate and the second plate can easily move on the connecting parts, and the first plate and the second plate can be conveniently paved on the connecting parts;

finally, the third bedplate member is hung on the second bedplate member through the auxiliary connecting member and the main connecting member, and the erection work of the bridge is finally completed, so that the bridge can be stably erected at the positions of the ravines needing to pass when in emergency, the period of paving the traditional bridge is shortened, and the convenience of the bridge is improved.

In one embodiment of the present application, the composite structural bridge further includes:

the embedded reinforcing component comprises a floor plate and a hydraulic part, and the hydraulic part is arranged at the top of the floor plate;

the lower adjustment pushing assembly comprises a bottom fixed beam and a rolling piece, and the rolling piece is arranged at the top of the inner cavity of the bottom fixed beam.

According to the combined structure bridge of the embodiment of the application, the front end and the rear end of the top of the floor are both connected with the connecting columns, and the bottom of the floor is connected with the embedded columns.

According to the combined structure bridge of the embodiment of the application, the top of the connecting support column is connected with the connecting beam, and the center of the top of the connecting beam is provided with the pre-connection groove.

According to the combined structure bridge provided by the embodiment of the application, the output end of the hydraulic part is connected with the connecting and fixing disc.

According to the combined structure bridge of the embodiment of the application, through holes are formed in the two ends of the inner cavity of the bottom fixed beam in a penetrating mode, and the inner cavity of the bottom fixed beam is provided with a sliding plate.

According to the combined structure bridge of the embodiment of the application, the front side and the rear side of the two ends of the inner cavity of the bottom fixed beam are respectively provided with an anti-falling groove, and the front side and the rear side of the two ends of the sliding plate are respectively connected with an anti-falling plate.

The invention has the beneficial effects that:

1. this device is under the effect of solid subassembly at the bottom, can assemble a plurality of steady subassemblies that link for a plurality of steady subassemblies that link can be quick lay in the surface of solid subassembly at the bottom, and under the effect of warning side protection subassembly, can protect the side of bridge, can warn pedestrian and vehicle in the past simultaneously, and under the effect of linking solid steady subassembly that increases, adopt mortise and tenon joint structure, with warning side protection subassembly stable spacing in the surface of linking steady subassembly, increase warning side protection subassembly's steadiness, link simultaneously and increase steady subassembly and also can be convenient for the laying work of top platform subassembly.

2. The device can improve the overall strength of the bottom fixing assembly under the combined action of the connecting stabilizing assembly, the warning side protecting assembly and the connecting fixing stabilizing assembly, and finally improve the laying stability of the top platform assembly.

3. This device is under the effect of pre-buried subassembly that increases, can be with the bridge body lifting to certain height, when making it meet the water great, also can prevent that the water from overflowing the bridge floor, simultaneously, under the effect of lower transfer pushing component, can carry out the propelling movement to the solid subassembly of end fast for the solid subassembly of end is when not lightening its intensity, also makes things convenient for subsequent equipment work, and under the combined action of pre-buried subassembly that increases and lower transfer pushing component, not only can carry out the propelling movement with the solid subassembly of end, also can carry out quick assembly to the solid subassembly of end, improves the convenience of solid subassembly of end.

Summarizing: after bridge splicing work is carried out and bridge edges are reinforced, the side fixed beams are hoisted to two ends of the bridge body by using a hoisting machine, and the middle firmware increases the placement stability of the side fixed beams;

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a modular structural bridge structure according to an embodiment of the present application;

FIG. 2 is a schematic perspective view of a partial structure of a composite bridge according to an embodiment of the present application;

FIG. 3 is an exploded perspective view of a partial structure of a composite bridge according to an embodiment of the present application;

FIG. 4 is a schematic perspective view of a bottom fixture assembly according to an embodiment of the present application;

FIG. 5 is a schematic perspective view of the structure of the linking assembly and the warning side guard assembly according to an embodiment of the present application;

FIG. 6 is a partially exploded perspective view of a linking assembly and warning side guard assembly according to an embodiment of the present application;

FIG. 7 is a partially structured left side exploded perspective view of a linking assembly and warning side guard assembly according to an embodiment of the present application;

FIG. 8 is a schematic perspective view of a structure of a connecting and stability augmentation assembly according to an embodiment of the present application;

FIG. 9 is a bottom perspective view of a structure of a tie-down stability augmentation assembly according to an embodiment of the present application;

FIG. 10 is a schematic structural perspective view of a head station assembly according to an embodiment of the present application;

FIG. 11 is an exploded isometric view of a top bay assembly according to an embodiment of the present application;

FIG. 12 is a partially exploded perspective view of a header assembly according to an embodiment of the present application;

FIG. 13 is an exploded isometric view of a pre-buried reinforcing component and a down-regulating pushing component according to an embodiment of the present application;

FIG. 14 is a schematic perspective view of a partial structure of a pre-buried reinforcing component according to an embodiment of the present application;

fig. 15 is a partially exploded perspective view of a down-regulating push assembly according to an embodiment of the present application.

In the figure:

10. a bottom fixing component; 11. a side fixing beam; 111. middle firmware; 112. a lower slider; 113. a side fixing plate; 12. a sliding cavity piece;

20. a linking and stabilizing component; 21. splicing beams; 211. a clamping groove; 212. a clamping piece; 213. a through groove; 22. pushing the barrel;

30. a warning side protection component; 31. a police fixation seat; 311. a side support plate; 312. fixing the groove; 32. a limiting piece; 33. guard bars; 331. caution plate; 332. a pre-clip member;

40. the connecting and stabilizing component is connected; 41. a connector; 411. a walking groove; 412. a stop block; 42. a middle card plate;

50. a top stage assembly; 51. a first plate member; 511. a movable clamping plate; 512. a roller member; 52. a second plate member; 521. a main connection; 53. a descending member; 54. a third plate member; 541. a slope fixing plate; 542. an auxiliary connecting piece;

60. embedding a reinforcing component; 61. a floor panel; 611. a connecting support column; 612. embedding a column; 62. a connecting beam; 621. a pre-connection groove; 63. a hydraulic member; 631. a connecting and fixing disc;

70. a downward adjusting pushing component; 71. a bottom fixing beam; 711. a through hole; 712. an anti-drop groove; 72. a sliding plate; 721. an anti-falling plate; 73. rolling the piece.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments, based on the embodiments herein, which would be apparent to one of ordinary skill in the art without undue burden are within the scope of the present application.

Examples

As shown in fig. 1 to 15, a composite structural bridge according to an embodiment of the present application includes a bottom fixing component 10, a connecting and stabilizing component 20, a warning side protection component 30, a connecting and fixing and stabilizing component 40 and a top platform component 50; the bottom fixing assembly 10 comprises side fixing beams 11; the connecting and stabilizing assembly 20 comprises a splicing beam 21 and a pushing barrel 22, and the pushing barrel 22 is arranged at one end of the splicing beam 21; the warning side protection assembly 30 comprises a guardrail 33 for bridge side protection work; the connecting and stabilizing component 40 comprises a connecting piece 41 for clamping and fixing the plate; the top stage assembly 50 includes a first stage plate 51 and a second stage plate 52, the second stage plate 52 being disposed at one end of the first stage plate 51.

As shown in fig. 4 to 12, in an environment where a road cannot be laid, such as a small-sized gully or a mountain, a bridge needs to be erected to pass a pedestrian or a vehicle in daily life, and when the bridge is collapsed due to long-term repair or damage caused by a natural disaster and the pedestrian or the vehicle cannot pass normally, a bridge needs to be re-built for the purpose of restoring the pass, and the construction period of the bridge is long, during this period, the pedestrian or the vehicle cannot pass, and if the bridge is not built as soon as possible, the normal pass of the pedestrian or the vehicle is affected.

Further, a sliding cavity piece 12 is arranged at the top of the side fixed beam 11;

further, a lower slider 112 is connected to the center of the bottom of the side fixing beam 11, the front and rear sides of the bottom of the side fixing beam 11 are connected to side fixing plates 113, and a plurality of middle fixing members 111 are longitudinally and horizontally arranged on opposite sides of the two side fixing beams 11.

Further, the connecting and stabilizing components 20 are provided with a plurality of connecting and stabilizing components, the right side of the splicing beam 21 is provided with a clamping groove 211, the left side of the splicing beam 21 is connected with a clamping piece 212, the inner surface of the splicing beam 21 is provided with a through groove 213 in a penetrating way, the number of the pushing barrel parts 22 is a plurality of, and two ends of the pushing barrel parts 22 are movably connected with one side opposite to the two splicing beams 21 through bearings.

Further, the bottom of the guardrail 33 is provided with a warning fixed seat 31, wherein the warning fixed seat 31 is arranged at one side of the splicing beam 21, and the opposite side of the two warning fixed seats 31 is provided with a limited fixing piece 32;

the connection manner of the warning fixing seat 31 and the limiting piece 32 is a fixed connection, such as welding or integral molding, and the specific fixed connection is not further limited in this embodiment;

further, the bottom of the police solid seat 31 is connected with a side supporting plate 311, and a fence solid groove 312 is formed at the top of the police solid seat 31;

further, both sides of the guardrail 33 are connected with a warning plate 331, and the bottom of the guardrail 33 is connected with a pre-clamping piece 332;

illustratively, the pre-clamping member 332 is fixedly clamped in the inner cavity of the fixing slot 312, the limiting member 32 extends to the inner cavity of the through slot 213, and the surface of the warning plate 331 is provided with a warning title;

for example, to improve the warning effect, the surface of the warning plate 331 may be provided with reflective strips;

further, a walking slot 411 is transversely formed in the center of the top of the connecting piece 41, a stop block 412 is uniformly and horizontally distributed on the top of the connecting piece 41, and a middle clamping plate piece 42 is connected to the bottom of the connecting piece 41;

illustratively, the bottom of the middle deck member 42 extends through the retainer 32 and into the bottom of the cavity of the channel 213, and the bottom of the connector 41 contacts the top of the splice beam 21

Further, the number of the first plate pieces 51 is several, the number of the second plate pieces 52 is two, and the movable clamping plate pieces 511 are movably connected to the front side and the rear side of the first plate pieces 51 and the second plate pieces 52;

further, roller members 512 are connected to the front and rear sides of the bottoms of the first plate member 51 and the second plate member 52, wherein the bottoms of the roller members 512 extend to the inner cavity of the traveling slot 411, the bottoms of the first plate member 51 and the second plate member 52 are connected with a descending member 53, the bottoms of the descending member 53 are contacted with the top of the pushing barrel member 22, and the opposite sides of the two second plate members 52 are connected with a main connecting member 521

Further, a third plate 54 is disposed at one end of the first plate 51, a diagonal plate 541 is disposed at the bottom of the third plate 54 in an inclined manner, and an auxiliary connector 542 is connected to one end of the top of the third plate 54;

illustratively, the secondary connector 542 is snapped into the interior cavity of the primary connector 521 with the bottoms of the first and second plate members 51, 52 in contact with the top of the connector 41;

illustratively, the right side of the first plate 51 and the right side of the second plate 52 at one end are provided with positioning grooves, and the left side of the first plate 51 and the left side of the second plate 52 at the other end are connected with positioning plates corresponding to the positioning grooves.

According to the construction method of the embodiment of the application, the following steps are adopted:

after bridge splicing work is carried out and bridge edges are reinforced, the side fixed beams 11 are hoisted to two ends of a bridge body by using a hoisting machine, and the middle fixing piece 111 increases the placement stability of the side fixed beams 11;

then, the bottom of the spliced girder 21 is placed in the sliding cavity piece 12, and the sliding blocks corresponding to the sliding cavity piece 12 are integrally formed at the bottom of the spliced girder 21, so that the spliced girder 21 can be smoothly assembled in the sliding cavity piece 12 on the side fixed girder 11 in a sliding way;

then, installing and laying a plurality of spliced beams 21 on the top of the side fixed beams 11 according to the corresponding directions, installing and arranging corresponding clamping pieces 212 and clamping grooves 211 on the surface of each spliced beam 21, splicing and fixing adjacent spliced beams 21, inserting a warning fixed seat 31 into a through groove 213 through a limiting piece 32, connecting the warning fixed seat 31 with the spliced beams 21, pre-assembling a guardrail 33 on the warning fixed seat 31, and starting the next splicing work after assembling each warning fixed seat 31 on the spliced beams 21;

the middle clamping plate member 42 is arranged at the bottom of the connecting piece 41, the middle clamping plate member 42 can be inserted into the through groove 213 and the limiting piece 32 to fasten the warning and fixing seat 31, so that the warning and fixing seat 31 and the guardrail 33 are not easy to separate from the splicing beam 21, and then a plurality of connecting pieces 41 are arranged at the top of the splicing beam 21 according to the steps, so that the assembly work of the bridge skeleton is completed;

subsequently, the bridge deck is assembled, the top platform assembly 50 is formed by splicing a plurality of groups of plates 51 and 52, and when the top platform assembly 50 is assembled, the plurality of plates 51 and 52 are placed in an orientation, the roller element 512 can slide in the traveling slot 411 through the top of the connecting piece 41, and the descending piece 53 is contacted with the pushing barrel 22, so that the plates 51 and 52 can easily move on the connecting piece 41, and the plates 51 and 52 can be conveniently paved on the connecting piece 41;

finally, the third plate 54 is suspended on the second plate 52 through the auxiliary connecting piece 542 and the main connecting piece 521, and the bridge erection work is finally completed, so that the bridge can be stably erected at the gully position where the bridge needs to pass when in emergency, the period of paving the traditional bridge is shortened, and the convenience of the bridge is improved.

According to the combined structure bridge of the embodiment of the application, the combined structure bridge further comprises: a pre-embedded reinforcing component 60 and a down-regulating pushing component 70; the embedded reinforcing component 60 comprises a floor plate 61 and a hydraulic part 63, and the hydraulic part 63 is arranged at the top of the floor plate 61; the downward adjusting pushing component 70 comprises a bottom fixed beam 71 and a rolling piece 73, wherein the rolling piece 73 is arranged at the top of the inner cavity of the bottom fixed beam 71

Further, the front and rear ends of the top of the floor 61 are connected with the connection posts 611, and the bottom of the floor 61 is connected with the embedded posts 612, wherein the number of the embedded posts 612 is a plurality;

further, the top of the connecting column 611 is connected with a connecting beam 62, and a pre-connection groove 621 is formed in the center of the top of the connecting beam 62;

further, the output end of the hydraulic part 63 is connected with a connecting and fixing disc 631;

illustratively, the top of the attachment disk 631 extends through to the top of the pre-attachment slot 621;

illustratively, in order to enhance the strength of the joint surface of the connecting strut 611 and the floor 61 and the connecting beam 62, the top and the bottom of the connecting strut 611 are respectively connected with reinforcing ribs;

further, through holes 711 are formed at two ends of the inner cavity of the bottom fixed beam 71 in a penetrating manner, and a sliding plate 72 is arranged in the inner cavity of the bottom fixed beam 71;

illustratively, the rolling member 73 is movably connected to the inner surface of the sliding member 72 through a bearing, the top of the rolling member 73 is in contact with the bottom of the lower slider 112, the surface of the side fixing plate 113 is in sliding contact with the outer surface of the bottom fixing beam 71, and the bottom of the side fixing beam 11 is in contact with the top of the bottom fixing beam 71;

further, the front and rear sides of the two ends of the inner cavity of the bottom fixed beam 71 are respectively provided with an anti-drop groove 712, and the front and rear sides of the two ends of the sliding plate 72 are respectively connected with an anti-drop plate 721, wherein the surface of the anti-drop plate 721 extends to the inner cavity of the anti-drop groove 712.

As shown in fig. 13-15, when the bridge components are spliced, and when the upper components of the bottom fixing assembly 10 are assembled to two ends of the bridge edge, the bottom fixing assembly 10 is an important supporting component, if the bottom fixing assembly 10 is in split splicing, the supporting strength of the bottom fixing assembly 10 is greatly reduced, meanwhile, if the bottom fixing assembly 10 is directly laid on the ground of the bridge edge, if a lot of water is encountered by a gully, the water is easy to overflow the bridge, so that the bridge is difficult to erect aiming at the situation of the bottom fixing assembly 10 and the bridge is prevented from overflowing the bridge surface due to flood and the like, the bridge needs to be further improved, and the bridge can have practical significance better.

When the two ends of the bridge edge are prepared, the floor 61 can be paved around the bridge edge, the bottom of the embedded column 612 is embedded with a rock layer inserted into the soil, and the bottom of the embedded column 612 is not lower than 3-5 m in the rock layer;

the floor board 61 is fastened with the ground through screws, then the bottom fixed beam 71 can be hung into a pre-connection groove 621 on the connecting beam 62 by using a lifting device, the connecting disc 631 can be driven to push the sliding plate 72 and the rolling piece 73 to move upwards through the hydraulic part 63 until the rolling piece 73 is moved upwards to a certain position, then the side fixed beam 11 is adjusted to the top of the rolling piece 73, the lower sliding piece 112 is contacted with the rolling piece 73, and the side fixed beam 11 can slide by using the lower sliding piece 112 and the rolling piece 73, so that the whole bottom fixed assembly 10 can be sent to a designated position under the pushing of the rolling piece 73;

when the bottom fixing assembly 10 is positioned at the top of the connecting beam 62, the output end of the control hydraulic part 63 is reset, and the sliding plate 72 and the rolling part 73 are driven to move downwards, so that the bottom fixing assembly 10 can be stably erected on the bottom fixing beam 71 and the connecting beam 62, the bridge body is erected, the height of the bridge body is raised, the bottom fixing assembly 10 is assembled conveniently, and the practical and convenient assembly effect of the bridge is improved.

Specifically, the working principle of the bridge with the combined structure is as follows:

When splicing bridge parts, and when assembling the upper part of the bottom fixing assembly 10 to the two ends of the bridge edge, the bottom fixing assembly 10 is an important supporting part, if the bottom fixing assembly 10 is in split joint, the supporting strength of the bottom fixing assembly 10 can be greatly reduced, meanwhile, if the bottom fixing assembly 10 is directly paved at the ground of the bridge edge, if a lot of water is encountered by a gully, the water is easy to overflow the bridge, so that the condition that the bottom fixing assembly 10 is difficult to erect is aimed at, and the bridge is prevented from overflowing the bridge floor when the whole bridge encounters flood, the bridge needs to be further improved, and the bridge can be better provided with practical significance.

The electronic components and the types used in the invention can be all according to the actual use requirement.

The foregoing is merely exemplary embodiments of the present application and is not intended to limit the scope of the present application, and various modifications and variations may be suggested to one skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A composite structural bridge comprising:

a bottom fixing assembly (10), wherein the bottom fixing assembly (10) comprises a side fixing beam (11);

the connecting and stabilizing assembly (20), the connecting and stabilizing assembly (20) comprises a splicing beam (21) and a pushing barrel (22), and the pushing barrel (22) is arranged at one end of the splicing beam (21);

the warning side protection assembly (30), the warning side protection assembly (30) comprises a guardrail (33) and is used for bridge side protection work;

the connecting and stabilizing component (40), the connecting and stabilizing component (40) comprises a connecting piece (41) for clamping and fixing the plate;

the top platform assembly (50), the top platform assembly (50) comprises a first platform plate (51) and a second platform plate (52), and the second platform plate (52) is arranged at one end of the first platform plate (51).

2. The composite structure bridge according to claim 1, characterized in that the top of the side fixed beam (11) is provided with a sliding cavity piece (12);

the center department of the bottom of the side solid beam (11) is connected with a lower slider (112), both sides all are connected with side solid board (113) around the bottom of the side solid beam (11), and the vertical level in one side that two side solid beams (11) are relative is provided with a plurality of middle firmware (111).

3. The composite structure bridge according to claim 1, wherein the connecting and stabilizing components (20) are several, the right side of the splicing beam (21) is provided with a clamping groove (211), the left side of the splicing beam (21) is connected with a clamping piece (212), the inner surface of the splicing beam (21) is provided with through grooves (213) in a penetrating way, and the number of the pushing barrel parts (22) is several.

4. The bridge of claim 1, wherein the bottom of the guardrail (33) is provided with a warning anchor (31), and the opposite sides of the two warning anchors (31) are provided with a limited fastener (32).

5. The bridge of claim 4, wherein the bottom of the alert seat (31) is connected with a side support plate (311), and a fence fixing groove (312) is formed at the top of the alert seat (31).

6. The bridge of claim 1, wherein both sides of the guardrail (33) are connected with warning plates (331), and the bottom of the guardrail (33) is connected with a pre-clamping piece (332).

7. The bridge of claim 1, wherein a walking groove (411) is transversely formed in the center of the top of the connecting piece (41), a stop block (412) is uniformly and horizontally distributed on the top of the connecting piece (41), and a middle clamping plate (42) is connected to the bottom of the connecting piece (41).

8. The composite structure bridge according to claim 1, wherein the number of the first plate members (51) is a plurality of, the number of the second plate members (52) is two, the front side and the rear side of the first plate members (51) and the second plate members (52) are movably connected with movable clamping plate members (511), the front side and the rear side of the bottoms of the first plate members (51) and the second plate members (52) are connected with roller members (512), the bottoms of the first plate members (51) and the second plate members (52) are connected with descending members (53), and the opposite sides of the two second plate members (52) are connected with main connecting members (521).

9. The composite structure bridge according to claim 8, wherein one end of the first plate (51) is provided with a third plate (54), the bottom of the third plate (54) is provided with an oblique fixing plate (541) in an inclined manner, and one end of the top of the third plate (54) is connected with an auxiliary connecting piece (542).

10. The construction method is characterized by comprising the following steps:

after bridge splicing work is carried out and bridge edges are reinforced, the side fixed beams (11) are hoisted to two ends of a bridge body by using a hoisting machine, and the middle fixing piece (111) increases the placement stability of the side fixed beams (11);

then, the bottom of the spliced girder (21) is placed in the sliding cavity piece (12), and a sliding block corresponding to the sliding cavity piece (12) is integrally formed at the bottom of the spliced girder (21), so that the spliced girder (21) can be smoothly assembled in the sliding cavity piece (12) on the side fixed girder (11) in a sliding way;

then, installing and paving a plurality of spliced beams (21) on the top of the side fixed beams (11) according to corresponding directions, installing and arranging corresponding clamping pieces (212) and clamping grooves (211) on the surface of each spliced beam (21), splicing and fixing adjacent spliced beams (21), inserting a warning fixed seat (31) into a through groove (213) through a limiting piece (32) to be connected with the spliced beams (21), pre-assembling guardrails (33) on the warning fixed seat (31), and starting the next splicing work after assembling each warning fixed seat (31) on the spliced beams (21);

the bottom of the connecting piece (41) is provided with a middle clamping plate piece (42), the middle clamping plate piece (42) can be inserted into the through groove (213) and the limiting piece (32), the warning solid seat (31) is fastened, the warning solid seat (31) and the guardrail (33) are not easy to separate from the splicing beam (21), and then the connecting pieces (41) are arranged at the top of the splicing beam (21) according to the steps, so that the assembly work of the bridge skeleton is completed;

subsequently, the bridge deck is assembled, the top platform assembly (50) is formed by splicing a plurality of groups, the upper parts of the first platform plate (51) and the second platform plate (52) are identical in structure, when the top platform assembly (50) is assembled, the first platform plate (51) and the second platform plate (52) are placed according to the direction, the roller piece (512) can slide in the travelling groove (411) through the top of the connecting piece (41), the descending piece (53) is contacted with the pushing barrel piece (22), so that the first platform plate (51) and the second platform plate (52) can easily move on the connecting piece (41), and the first platform plate (51) and the second platform plate (52) can be conveniently paved on the connecting piece (41);

finally, the third plate (54) is hung on the second plate (52) through the auxiliary connecting piece (542) and the main connecting piece (521), and the bridge erection work is finally completed, so that the bridge can be stably erected at a gully position needing to pass when in emergency, the period of paving a traditional bridge is shortened, and the convenience of the bridge is improved.

11. The composite structural bridge of claim 1, wherein said composite structural bridge further comprises:

the embedded reinforcing component (60), the embedded reinforcing component (60) comprises a floor plate (61) and a hydraulic part (63), and the hydraulic part (63) is arranged at the top of the floor plate (61);

the lower adjustment pushing assembly (70), the lower adjustment pushing assembly (70) comprises a bottom fixed beam (71) and a rolling piece (73), and the rolling piece (73) is arranged at the top of an inner cavity of the bottom fixed beam (71).

12. The bridge of claim 11, wherein the front and rear ends of the top of the floor (61) are connected with connecting posts (611), and the bottom of the floor (61) is connected with pre-buried posts (612).

13. The composite structure bridge according to claim 12, wherein the top of the connecting column (611) is connected with a connecting beam (62), and a pre-connection groove (621) is formed in the center of the top of the connecting beam (62).

14. The composite bridge according to claim 11, wherein the output end of the hydraulic member (63) is connected with a connecting disc (631).

15. The composite structure bridge according to claim 11, wherein through holes (711) are formed through both ends of the inner cavity of the bottom fixing beam (71), and a sliding plate (72) is arranged in the inner cavity of the bottom fixing beam (71).

16. The bridge of claim 11, wherein the front and rear sides of the two ends of the inner cavity of the bottom fixed beam (71) are provided with anti-drop grooves (712), and the front and rear sides of the two ends of the sliding plate (72) are connected with anti-drop plates (721).