CN220977703U - Steel trestle self-limiting bridge deck structure - Google Patents
Steel trestle self-limiting bridge deck structure Download PDFInfo
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- CN220977703U CN220977703U CN202322585254.1U CN202322585254U CN220977703U CN 220977703 U CN220977703 U CN 220977703U CN 202322585254 U CN202322585254 U CN 202322585254U CN 220977703 U CN220977703 U CN 220977703U
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- buckle
- bridge deck
- cross
- limiting
- stringers
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 24
- 239000010959 steel Substances 0.000 title claims abstract description 24
- 238000003466 welding Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to a steel trestle self-limiting bridge deck structure which comprises a plurality of cross beams which are arranged at the tops of Bailey beams at equal intervals along the transverse direction, wherein one side of the bottom of each cross beam is welded with an L-shaped buckle, two sides of the top of each cross beam are welded with limiting rods, the tops of all cross beams are provided with bridge deck components, and the bridge deck components are arranged between the limiting rods at the two sides and are fixedly connected. The L-shaped buckle comprises a buckle vertical rod welded at the bottom of the cross beam, a buckle cross rod is welded at the bottom of the buckle vertical rod, the buckle vertical rod and the buckle cross rod form an L-shaped structure, and an upper chord member of the outermost Bailey beam is arranged among the buckle vertical rod, the buckle cross rod and the cross beam. The utility model can form the self-limiting of the bridge deck structure and the bailey beam, has safe and reliable structure and convenient construction, and solves the problems of inconvenient installation, high risk and easy falling of the limiting structure in actual engineering.
Description
Technical Field
The utility model relates to the technical field of bridge engineering temporary construction application, in particular to a self-limiting bridge deck structure of a steel trestle.
Background
The steel trestle is a temporary construction facility commonly used in bridge engineering, in particular wading bridge engineering construction. The steel trestle generally adopts a steel pipe pile foundation and a Bailey beam as bearing structures, and distribution beams and bridge decks are erected on the Bailey beam to form a passable trestle structure.
In the use of the steel trestle, due to the factors such as wind load, vehicle braking, temperature and the like, if a bridge deck structure is connected and fixed with the bailey beam without adopting proper measures, the bridge deck structure can generate dislocation, sliding and even turning risks on the bailey beam due to the action of external force. In the prior art, the bridge deck structure and the bailey beam are mainly fixed in two modes of a saddle bolt or a C-shaped buckle, the saddle bolt utilizes a U-shaped steel bar to fixedly connect an upper chord member of the bailey beam with a distribution beam, the C-shaped buckle is used for fixedly buckling the upper chord member of the bailey beam with a lower flange plate of a transverse distribution beam, and certain defects exist no matter the saddle bolt or the C-shaped buckle is fixed. Firstly, the two limiting devices are manually installed and removed by workers in an empty state, so that the installation is inconvenient and the risk of falling in high altitude is high; secondly, the limit device is invalid because the bolt or the buckle is easy to loosen and fall off due to structural deformation and repeated vehicle load action.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a self-limiting bridge deck structure of a steel trestle.
The utility model adopts the following technical scheme to realize the aim:
the utility model provides a steel landing stage is from spacing bridge floor structure, includes along a plurality of crossbeams of horizontal equidistant setting at bailey roof beam top, and the equal welding in bottom one side of every crossbeam is provided with L type buckle, and crossbeam top both sides welding is provided with the gag lever post, and bridge deck assembly is installed at all crossbeam tops, and bridge deck assembly installs between the gag lever post of both sides and connects fixedly.
The L-shaped buckle comprises a buckle vertical rod welded at the bottom of the cross beam, a buckle cross rod is welded at the bottom of the buckle vertical rod, the buckle vertical rod and the buckle cross rod form an L-shaped structure, and an upper chord member of the outermost Bailey beam is arranged among the buckle vertical rod, the buckle cross rod and the cross beam.
The bridge deck assembly comprises side longitudinal beams on two sides and a plurality of middle longitudinal beams which are arranged at equal intervals and are positioned between the side longitudinal beams on two sides, the middle longitudinal beams and the side longitudinal beams are vertically arranged at the top of the cross beam, a plurality of bridge deck steel plates are welded at the tops of the middle longitudinal beams and the side longitudinal beams, and the side longitudinal beams on two sides of the bridge deck assembly are fastened on corresponding limiting rods through bolts.
Stiffening plates are welded between the side longitudinal beam and the adjacent middle longitudinal beam and between the two adjacent middle longitudinal beams.
The L-shaped buckles at the bottoms of the two adjacent cross beams are arranged on opposite sides.
The beneficial effects of the utility model are as follows: the utility model can form the self-limiting of the bridge deck structure and the bailey beam, has safe and reliable structure and convenient construction, and solves the problems of inconvenient installation, high risk and easy falling of the limiting structure in actual engineering.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a schematic view of the structure of the cross beam, the L-shaped buckle and the limiting rod;
FIG. 4 is a schematic structural view of a deck slab assembly;
FIG. 5 is a schematic diagram of the connection of the L-shaped buckle to the upper chord;
FIG. 6 is a schematic illustration of the connection of a stop lever to a side rail;
In the figure: 1-a cross beam; 2-bridge deck assembly; 3-bailey beam; 4-bolts;
11-L-shaped buckle; 111-a buckle vertical rod; 112-a snap rail; 12-a limit rod;
21-a middle longitudinal beam; 22-side stringers; 23-bridge deck steel plates; 24-stiffening plates;
31-upper chords;
The embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the illustrated embodiments are provided for illustration only and are not intended to limit the scope of the present utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. The advantages and features of the present utility model will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
a steel trestle self-limiting bridge deck structure is shown in fig. 1 to 2, and comprises a cross beam 1, a bridge deck plate assembly 2, a bailey beam 3 and bolts 4.
The bridge deck slab comprises a plurality of cross beams 1, L-shaped buckles 11 are welded on one side of the bottom of each cross beam 1, limiting rods 12 are welded on two sides of the top of each cross beam 1, bridge deck slab assemblies 2 are installed on the tops of all cross beams 1, the distance between the limiting rods 12 on two sides is consistent with the width of the bridge deck slab assemblies 2, and the bridge deck slab assemblies 2 are installed between the limiting rods 12 on two sides and fixedly connected.
The L-shaped buckle 11 is shown in fig. 3 and 5, and comprises a buckle vertical rod 111 welded at the bottom of the cross beam 1, a buckle horizontal rod 112 welded at the bottom of the buckle vertical rod 111, the buckle vertical rod 111 and the buckle horizontal rod 112 form an L-shaped structure, and the upper chord 31 of the bailey beam 3 at the outermost side is arranged between the buckle vertical rod 111, the buckle horizontal rod 112 and the cross beam 1.
The height of the buckle vertical rod 111 is equal to the height of the upper chord 31 of the bailey beam 3, and the length of the buckle cross rod 112 extending out of the buckle vertical rod 111 is larger than the width of the upper chord 31 of the bailey beam 3.
The limiting rod 12 is of a side-mounted U-shaped structure.
The bridge deck assembly 2 is shown in fig. 4, and comprises side stringers 22 on two sides, and a plurality of middle stringers 21 which are arranged at equal intervals and are positioned between the side stringers 22 on two sides, wherein the middle stringers 21 and the side stringers 22 are vertically arranged at the top of the cross beam 1, a plurality of bridge deck steel plates 23 are welded at the tops of the middle stringers 21 and the side stringers 22, and stiffening plates 24 are welded between the side stringers 22 and the adjacent middle stringers 21 and between the adjacent two middle stringers 21.
As shown in fig. 6, side stringers 22 on both sides of the deck slab assembly 2 are fastened to the corresponding stopper rods 12 by bolts 4.
The bridge deck steel plate 23 is provided with a hand hole at one end near the stop lever 12 for a worker to install or remove the bolt 4.
The L-shaped buckles 11 at the bottoms of the two adjacent cross beams 1 are arranged on opposite sides.
The middle longitudinal beam 21 has an i-shaped structure, and the side longitudinal beams 22 have a side U-shaped structure.
The length of the individual deck steel plates 23 in the travelling direction of the trestle is the length of the individual bailey beams 3 or half the length of the individual bailey beams 3.
In implementation, the beams 1 are sequentially arranged at intervals left and right according to the direction of the L-shaped buckle 11, and the beams 1 are horizontally moved along the opening direction of the L-shaped buckle 11 after being sequentially lifted, so that the buckle vertical rods 111 are clung to the upper chord 31 of the outermost bailey beam 3, and the buckle cross rods 112 are arranged below the upper chord 31. After the bridge deck assembly 2 is hoisted, the bridge deck assembly 2 is fixedly connected with the limiting rod 12 by the bolts 4, the cross beam 1 and the bridge deck assembly 2 form a self-limiting structure which is firmly connected with the bailey beam 3, and the bridge deck structure can be dismantled by reversing operation according to the installation sequence.
According to the utility model, the bridge deck structure and the bailey beam 3 can be automatically limited after the bridge deck structure is installed, the structure is safe and reliable, the construction is convenient, and the problems of inconvenient installation, high risk and easy falling of the limiting structure in actual engineering are solved by connecting and fixing the bridge deck assembly 2 and the cross beam 1 on the bridge deck assembly 2 which is paved in advance through the limiting rod 12 welded at the top of the cross beam 1 and the L-shaped buckle 11 at the bottom of the bridge deck structure without additionally and independently arranging the bailey beam 3 and the limiting measure of the bridge deck structure.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the above embodiments, but is intended to cover various modifications, either made by the method concepts and technical solutions of the utility model, or applied directly to other applications without modification, within the scope of the utility model.
Claims (6)
1. The utility model provides a steel landing stage is from spacing bridge floor structure, its characterized in that, including setting up a plurality of crossbeams (1) at bailey roof beam (3) top along horizontal equidistant, the equal welding in bottom one side of every crossbeam (1) is provided with L type buckle (11), and crossbeam (1) top both sides welding is provided with gag lever post (12), and bridge deck assembly (2) are installed at all crossbeam (1) tops, and bridge deck assembly (2) are installed between gag lever post (12) of both sides and are connected fixedly.
2. The steel trestle self-limiting bridge deck structure according to claim 1, characterized in that the L-shaped buckle (11) comprises a buckle vertical rod (111) welded at the bottom of the cross beam (1), a buckle cross rod (112) is welded at the bottom of the buckle vertical rod (111), the buckle vertical rod (111) and the buckle cross rod (112) form an L-shaped structure, and an upper chord (31) of the outermost bailey beam (3) is arranged between the buckle vertical rod (111), the buckle cross rod (112) and the cross beam (1).
3. The steel trestle self-limiting bridge deck structure according to claim 2, characterized in that the height of the buckle vertical rod (111) is equal to the height of the upper chord (31) of the bailey beam (3), and the length of the buckle cross rod (112) extending out of the buckle vertical rod (111) is greater than the width of the upper chord (31) of the bailey beam (3).
4. A steel trestle self-limiting bridge deck structure according to claim 3, characterized in that the bridge deck assembly (2) comprises side stringers (22) on two sides, a plurality of middle stringers (21) which are arranged at equal intervals and are positioned between the side stringers (22) on two sides, the middle stringers (21) and the side stringers (22) are all vertically arranged at the top of the cross beam (1), a plurality of bridge deck steel plates (23) are welded at the tops of the middle stringers (21) and the side stringers (22), and the side stringers (22) on two sides of the bridge deck assembly (2) are fastened on corresponding limiting rods (12) through bolts (4).
5. The steel trestle self-limiting bridge deck structure according to claim 4, characterized in that stiffening plates (24) are welded between the side stringers (22) and the adjacent middle stringers (21) and between the adjacent two middle stringers (21).
6. The steel trestle self-limiting bridge deck structure according to claim 5, characterized in that the L-shaped buckles (11) at the bottoms of two adjacent cross beams (1) are arranged at opposite sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322585254.1U CN220977703U (en) | 2023-09-22 | 2023-09-22 | Steel trestle self-limiting bridge deck structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322585254.1U CN220977703U (en) | 2023-09-22 | 2023-09-22 | Steel trestle self-limiting bridge deck structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220977703U true CN220977703U (en) | 2024-05-17 |
Family
ID=91043098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322585254.1U Active CN220977703U (en) | 2023-09-22 | 2023-09-22 | Steel trestle self-limiting bridge deck structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220977703U (en) |
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2023
- 2023-09-22 CN CN202322585254.1U patent/CN220977703U/en active Active
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