CN218291553U

CN218291553U - Steel structure bridge

Info

Publication number: CN218291553U
Application number: CN202221743123.0U
Authority: CN
Inventors: 苏承叶; 苏伟财; 吴文龙; 王泽阳; 王小建; 余太平
Original assignee: Fujian Huitai Construction Co ltd
Current assignee: Fujian Huitai Construction Co ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2023-01-13
Anticipated expiration: 2032-07-06

Abstract

The utility model relates to the field of bridges, in particular to a steel structure bridge, which is used for constructing a pedestrian overpass and comprises piers, a bridge deck, a bridge frame and fixed blocks, wherein the piers are arranged on the ground, the adjacent piers are arranged at intervals, the top of each pier is provided with an installation platform, two ends of the bridge deck are respectively arranged on the installation platforms of the two adjacent piers, the two adjacent bridge decks are connected end to end and are jointly arranged on the same installation platform, and the top of the installation platform is provided with an installation position; the fixed block is provided with a protruding block protruding towards one side, the fixed block is locked on two sides of the top of the mounting table, and the two protruding blocks are oppositely arranged in the mounting position; the bridge floor undercut forms the recess, the crane span structure is located in the recess and is erect on the bridge floor, the bridge floor both sides are equipped with the first long type groove that runs through the setting along bridge floor length direction, the bridge floor is inserted respectively on locating the salient piece of adjacent pier through both ends around the first long type groove, makes the bridge floor lay in the installation position of adjacent two piers to improve the installation effectiveness.

Description

Steel structure bridge

Technical Field

The utility model relates to a bridge field, in particular to steel structure bridge.

Background

The bridge generally refers to a structure which is erected on rivers, lakes and seas and enables vehicles, pedestrians and the like to smoothly pass through. Present because the highway increases, traveling of coming and going vehicle has led to the fact inconvenience for people to pass the road, so the pedestrian bridge of a strideing across road both sides has been designed to present, present pedestrian bridge builds usually exactly the bridge floor and adds the guardrail, and the setting of bridge floor pours cement through the connection of a plurality of reinforcing bars and forms the bridge floor, and because the great relation of road span leads to pouring the degree of difficulty and increases, need consume a large amount of manpower and materials simultaneously, and the construction cycle is long, so need a be convenient for build and can shorten construction cycle's steel structure bridge greatly.

SUMMERY OF THE UTILITY MODEL

For overcoming the not enough among the prior art, the utility model provides a steel structure bridge.

In order to achieve the above object, the utility model adopts the following technical scheme: a steel structure bridge is used for building a pedestrian overpass and comprises piers, bridge decks, bridge frames and fixed blocks, wherein the piers extend upwards and are arranged on the ground, a plurality of piers are arranged between every two adjacent piers at intervals, an installation platform is arranged at the top of each pier, a plurality of bridge decks are arranged on the bridge decks, two ends of each bridge deck are respectively arranged on the installation platforms of the two adjacent piers, the two adjacent bridge decks are connected end to end and are jointly arranged on the same installation platform, and the tops of the installation platforms are sunken downwards to form installation positions;

the fixed block is provided with a protruding block protruding towards one side, the fixed block fixing covers are locked on two sides of the top of the mounting table, and the two protruding blocks are oppositely arranged in the mounting position;

the bridge floor undercut forms the recess, the crane span structure is located in the recess and is erect on the bridge floor, the bridge floor both sides are equipped with the first long type groove that runs through the setting along bridge floor length direction, the bridge floor inserts respectively through both ends around the first long type groove on the protrusion piece of locating adjacent pier, makes the bridge floor lay in the installation position of two adjacent piers.

Furthermore, the crane span structure includes a plurality of support columns, ceiling, crossbeam, the support column is inserted and is located both sides in the recess, and the interval sets up between the adjacent support column, the ceiling erects in the support column top, the crossbeam both ends are fixed respectively and are locked on the support column that is close between two adjacent bridge decks, and both sides support column pass through the crossbeam locking simultaneously, make locking connection between the adjacent bridge decks.

Further, both sides are equipped with a plurality of connecting blocks that bulge inwards and set up in the recess, be equipped with the U type groove that runs through the setting on the support column, the support column lower extreme is located on the connecting block through U type groove inlays to lock on the connecting block through the bolt.

Furthermore, a plurality of first baffles and a plurality of second baffles are arranged in the groove, the first baffles are fixedly arranged in the mounting groove at intervals in parallel, the second baffles are fixedly arranged in the mounting groove at intervals in parallel and are vertically intersected with the first baffles, and a plurality of pouring grooves are formed in the groove at intervals by the intersection of the first baffles and the second baffles.

Furthermore, the first baffle and the second baffle are provided with through holes, so that the adjacent pouring grooves are communicated with each other through the through holes.

Furthermore, the bridge frame further comprises connecting beams and reinforcing beams, wherein a connecting beam is arranged between every two adjacent supporting columns, the connecting beams are arranged in a triangular structure, and one end of each reinforcing beam is connected to the other end of the end part of the bridge deck and is connected to the supporting column at the front end in a chain mode.

Further, still include stair, the stair top is equipped with the mounting panel that extends outward and sets up, be equipped with the second long type groove that runs through the setting along length on the mounting panel, stair insert through the second long type groove and locate on the bulge piece to be connected with bridge floor one end, make stair install in pier one side.

Furthermore, the height of the support columns is gradually increased from the head end to the tail end of the bridge deck.

Further, the pier still includes the stand, the mount table is located on the stand.

Further, the bridge floor, the bridge frame, the stairs and the fixed blocks are made of steel structures.

Compared with the prior art, the steel structure bridge provided by the utility model has the advantages that the bridge deck is supported by the aid of the plurality of piers, and the first long-shaped groove is nested by the convex blocks by means of the fixing blocks arranged on the top of the mounting table, so that the bridge deck can be directly mounted on the piers in a nesting manner, mounting efficiency is improved, and construction period is shortened;

the bridge deck is provided with a groove for fixedly locking the bridge deck in the groove, the bridge deck is arranged for further surrounding the bridge deck to form a safe pedestrian bridge deck, a plurality of first baffles and a plurality of second baffles are arranged in the groove in an intersecting manner for improving the strength of the bridge deck and forming a plurality of mutually communicated pouring grooves, the support columns are further fixed in the mounting grooves by pouring concrete into the pouring grooves, meanwhile, floor tiles can be laid on the concrete, and a plane for pedestrians to walk can also be formed by directly laying steel plates on the first baffles and the second baffles;

the crossbeams are arranged and locked on the supporting columns of the two adjacent bridge floors, and the supporting columns are fixed on the bridge floors and locked on the supporting columns of the two adjacent bridge floors through the crossbeams, so that the two adjacent bridge floors are further locked and connected; the ceiling arranged on the supporting column can provide daily rainwater shielding and sun shading effects;

the effect of setting up stair lies in making pedestrian's accessible stair lead to the bridge floor on, and through being equipped with the long type groove of second at the stair top, through the nested setting of the protruding piece on the long type groove of second and the fixed block, has made things convenient for the installation of stair.

Drawings

Fig. 1 is the utility model relates to a steel structure bridge structure schematic diagram.

Fig. 2 is a schematic view of the connection state of the bridge frame and the bridge floor.

Fig. 3 is the structure schematic diagram of the separation state of the pier, the bridge floor and the stairs.

Fig. 4 is the sectional structure schematic diagram of the connection state between the pier and the ground.

The labels in the figure correspond to the following: 1. the bridge comprises a pier, 11 columns, 12 mounting platforms, 121 mounting positions, 2 bridge floors, 21 long grooves, 22 grooves, 221 connecting blocks, 222 first baffles, 223 second baffles, 224 through holes, 3 bridges, 31 supporting columns, 311U-shaped grooves, 32 ceilings, 33 connecting beams, 34 reinforcing beams, 35 cross beams, 4 fixing blocks, 41 bulge blocks, 5 stairs, 51 mounting plates and 511 second long grooves.

Detailed Description

The present invention is further described below in the following with reference to specific embodiments.

Referring to fig. 1 to 4, the steel structure bridge comprises piers 1, a bridge deck 2, a bridge frame 3, fixing blocks 4 and stairs 5

Pier 1 is equipped with a plurality of, and sets up according to 2 length intervals on the bridge floor between the adjacent pier 1, and pier 1 includes stand 11, mount table 12, 11 tops on the stand are located to mount table 12, pier 1 adopts the stone material to set up. The utility model discloses a locking installation of fixed block 4, including mount table 12, installation position 121, fixed block 4 and mounting position 121, the installation position 121 is formed to the undercut in mount table 12 top, and installation position 121 both sides are upwards protruding, fixed block 4 is equipped with protruding piece 41 towards one side protrusion, the protruding position of 12 top both sides of mount table is located to the fixed lid of fixed block 4, and makes in two protruding piece 41 subtend settings and the installation position 121 to further fix fixed block 4 through the mode of locking.

Bridge floor 2 is equipped with a plurality of, 2 both ends of bridge floor are located respectively on the mount table 12 of two adjacent piers 1, and 2 end to end connections of two adjacent bridge floors locate same mount table 12 jointly on, 2 undercut of bridge floor form recess 22, crane span structure 3 locates in the recess 22 and erects on

bridge floor

2, 2 both sides of bridge floor are equipped with along 2 length direction of bridge floor run through the first long type groove 21 that set up, bridge floor 2 inserts respectively through both ends around the first long type groove 21 on the salient piece 41 of locating adjacent pier 1, make bridge floor 2 lay in the installation position 121 of two adjacent piers 1, make bridge floor 2's installation effectiveness higher through the nested setting of first long type groove 21 and salient piece 41.

The bridge frame 3 comprises a plurality of supporting columns 31, ceilings 32 and cross beams 35, the supporting columns 31 are inserted into two sides of the groove 22, the adjacent supporting columns 31 are arranged at intervals, the ceilings 32 are erected on the tops of the supporting columns 31, two ends of each cross beam 35 are respectively and fixedly locked on the adjacent supporting columns 31 between the two adjacent bridge floors 2, and the supporting columns 31 on the two sides are simultaneously locked through the cross beams 35, so that the adjacent bridge floors 2 are locked and connected; both sides are equipped with a plurality of connecting blocks 221 that bulge inwards and set up in the recess 22, be equipped with the U type groove 311 that runs through the setting on the support column 31, support column 31 lower extreme inlays through U type groove 311 and locates on connecting block 221 to lock on connecting block 221 through the bolt, make things convenient for crane span structure 3 equipment and bridge floor 2 on.

A plurality of first baffle plates 222 and a plurality of second baffle plates 223 are arranged in the groove 22, the first baffle plates 222 are fixedly arranged in the installation grooves in parallel at intervals, the second baffle plates 223 are fixedly arranged in the installation grooves in parallel at intervals and are perpendicularly intersected with the first baffle plates 222, so that a plurality of pouring grooves are formed in the groove 22 through the mutual intersection and interval of the first baffle plates 222 and the second baffle plates 223, and the first baffle plates 222 and the second baffle plates 223 are provided with through holes 224, so that the adjacent pouring grooves are communicated with each other through the through holes 224; through the past concreting of pouring inslot for form one deck concrete layer on the bridge floor 22, the accessible lays the ceramic tile on concrete layer, forms a brick face that supplies the pedestrian to walk, and can be further fixed in recess 22 with support column 31 lower extreme in the concrete placement process, has consolidated the installation of crane span structure 3, also can not adopt the mode of concreting, can directly adopt the mode of fixed welding laying steel sheet on first baffle 222 and second baffle 223 to form the plane that supplies the pedestrian to walk.

The bridge frame 3 further comprises connecting beams 33 and reinforcing beams 34, one connecting beam 33 is arranged between every two adjacent supporting columns 31, the connecting beams 33 are arranged in a triangular structure, the connection between every two adjacent supporting columns 31 is reinforced, and the overall stability of the bridge frame 3 is improved; the height of the supporting columns 31 is gradually increased from the head end to the tail end of the bridge floor 2, so that the ceiling 32 can be inclined upwards; the reinforcing beam 34 is connected to the end of the bridge deck 2 at one end and is linked to the front supporting column 31 at the other end, so as to further reinforce the connection between the supporting column 31 and the bridge deck 2.

Bridge floor 2, crane span structure 3, fixed block 4, stair 5 adopt the steel construction material, and the convenient mode of directly adopting the assembly to the bridge that needs formed is installed.

The installation process of the steel structure bridge is as follows:

pier 1, bridge floor 2, crane span structure 3, fixed block 4, stair 5 all are the prefab, need under the condition of installation through transporting to the job site and assembling can.

The method comprises the following steps that a pier 1 is fixedly arranged on each of two opposite sides of a road, a pier 1 is also arranged between the two piers 1, the three piers 1 are arranged at intervals, and the lower end portions of upright columns 11 are embedded in the ground so as to improve the stability of the piers 1; installing the fixed block 4, covering and locking the fixed block 4 on the top of the installation platform 12, and enabling the convex block 41 to face and be arranged in the installation position 121; installing the bridge deck 2, inserting the first long grooves 21 on the two sides of the bridge deck 2 into the convex blocks 41, and pushing the bridge deck 2 forwards along the convex blocks 41 to the two ends of the first long grooves 21 to be respectively embedded in the convex blocks 41 of the two adjacent piers 1, so that the bridge deck 2 is laid in the installation positions 121 of the two adjacent piers 1, similarly installing another bridge deck 2, enabling the adjacent bridge decks 2 to be attached end to end and fixedly connected through a welding mode, and meanwhile, welding and fixing the bridge deck 2 and the fixed block 4; installing the bridge frame 3, arranging the support columns 31 at intervals from low to high, embedding the support columns on the connecting block 221 through the U-shaped grooves 311, locking the cross beam 35 on the two support columns 31 closest to the two adjacent bridge floors 2, and further fixing the connection of the two adjacent bridge floors 2; mounting connecting beams 33, and connecting adjacent supporting columns 31 on the same bridge deck 2 with each other through the connecting beams 33 in a welding mode, so that the stability of the supporting columns 31 is improved; installing the stair 5, namely inserting a second long groove 51121 at the top of the stair 5 on the convex block 41, so that one end of the installation plate 51 is arranged in the installation position 121 and fixedly connected with one end of the bridge floor 2 in a welding mode, and installing the stair 5 on one side of the bridge pier 1 at two ends in such a mode; then, a concrete layer is formed on the bridge deck 2 by pouring concrete into the grooves 22, and floor tiles are laid on the concrete layer to form a smooth brick surface for pedestrians to walk on, or steel plates are fixed directly on the first baffle 222 and the second baffle 223 by welding, so that a plane for pedestrians to walk is formed.

The above-mentioned only be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and all utilize this design right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims

1. The utility model provides a steel structure bridge for pedestrian overpass builds its characterized in that: the bridge comprises bridge piers, bridge decks, bridge frames and fixing blocks, wherein the bridge piers extend upwards and are arranged on the ground, a plurality of bridge piers are arranged between every two adjacent bridge piers at intervals, an installation platform is arranged at the tops of the bridge piers, the bridge decks are provided with a plurality of bridge decks, two ends of each bridge deck are respectively arranged on the installation platforms of the two adjacent bridge piers, the two adjacent bridge decks are connected end to end and are jointly arranged on the same installation platform, and the tops of the installation platforms are sunken downwards to form an installation position;

2. The steel structure bridge of claim 1, wherein: the bridge frame comprises a plurality of supporting columns, a ceiling and cross beams, the supporting columns are inserted into the two sides of the groove, the adjacent supporting columns are arranged at intervals, the ceiling is erected at the tops of the supporting columns, the two ends of each cross beam are fixedly locked on the supporting columns close to each other between the two adjacent bridge floors respectively, and the supporting columns on the two sides are locked through the cross beams simultaneously, so that the adjacent bridge floors are connected in a locking mode.

3. The steel structural bridge of claim 2, wherein: both sides are equipped with a plurality of connecting blocks that the protrusion set up inwards in the recess, be equipped with the U type groove that runs through the setting on the support column, the support column lower extreme is located on the connecting block through U type groove inlays to lock on the connecting block through the bolt.

4. The steel structural bridge of claim 1, wherein: the groove is internally provided with a plurality of first baffles and a plurality of second baffles, the first baffles are fixedly arranged in the mounting groove at intervals in parallel, the second baffles are fixedly arranged in the mounting groove at intervals in parallel and are vertically intersected with the first baffles, and a plurality of pouring grooves are formed in the groove at intervals by the intersection of the first baffles and the second baffles.

5. The steel structural bridge of claim 4, wherein: and the first baffle and the second baffle are provided with through holes, so that the adjacent pouring grooves are communicated with each other through the through holes.

6. The steel structural bridge of claim 2, wherein: the bridge frame further comprises connecting beams and reinforcing beams, wherein the connecting beams are arranged between adjacent supporting columns and are in triangular structures, and one end of each reinforcing beam is connected to the other end of the end part of the bridge deck and is connected to the supporting column at the front end in a chain mode.

7. The steel structural bridge of claim 1, wherein: still include stair, the stair top is equipped with the mounting panel of an outside extension setting, be equipped with the second long type groove that runs through the setting along length on the mounting panel, stair insert through the second long type groove and locate on the bulge piece to be connected with bridge floor one end, make stair install in pier one side.

8. The steel structural bridge of claim 2, wherein: the height of the supporting columns is gradually increased from the head end to the tail end of the bridge deck.

9. The steel structural bridge of claim 1, wherein: the pier further comprises an upright post, and the mounting platform is arranged on the upright post.

10. The steel structural bridge of claim 1, wherein: the bridge deck, the bridge frame, the stairs and the fixing blocks are made of steel structures.