CN219059738U - Bridge telescoping device that bridge was built usefulness - Google Patents
Bridge telescoping device that bridge was built usefulness Download PDFInfo
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- CN219059738U CN219059738U CN202222711597.3U CN202222711597U CN219059738U CN 219059738 U CN219059738 U CN 219059738U CN 202222711597 U CN202222711597 U CN 202222711597U CN 219059738 U CN219059738 U CN 219059738U
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Abstract
The utility model discloses a bridge expansion device for bridge construction, which is provided with a first concrete bridge body and a second concrete bridge body, and comprises: an intermediate bridge body positioned between the first concrete bridge body and the second concrete bridge body; the first cross steel plate is positioned above the middle bridge body, and is connected with the middle bridge body through a telescopic assembly, and the telescopic assembly is also connected with the first concrete bridge body and the second concrete bridge body respectively; the top surface steel plate assembly is positioned at the upper end of the first cross steel plate and comprises a second cross steel plate and a third cross steel plate, and a zigzag gap is formed between the second cross steel plate and the third cross steel plate; the bridge expansion device enables the first concrete bridge body and the second concrete bridge body to transversely expand and contract, meanwhile, the top surface steel plate assembly also plays a role in buffering, and the bridge expansion device is stable in overall structure, relatively long in service life and low in maintenance frequency.
Description
Technical Field
The utility model relates to the technical field of bridge engineering, in particular to a bridge expansion device for bridge construction.
Background
The bridge expansion device is designed to meet the requirement of bridge deck deformation, and is arranged between two beam ends, between a beam end and a bridge abutment or at the hinge position of a bridge, and the expansion device is required to freely expand and contract in two directions parallel to and perpendicular to the axis of the bridge, so that the bridge expansion device is firm and reliable, and a vehicle is required to run smoothly without sudden jump and noise.
For example, chinese patent document CN212533712U discloses a bridge expansion device for bridge construction, which comprises a first reinforced concrete bridge body, a second reinforced concrete bridge body, a first lower cross steel plate, a second lower cross steel plate, a first upper cross steel plate and a second upper cross steel plate. According to the utility model, the first lower cross steel plate, the second lower cross steel plate, the first upper cross steel plate, the second upper cross steel plate and the rubber filling block are arranged, the first lower cross steel plate and the second lower cross steel plate are in cross fit connection at one side of the upper part of the bridge expansion joint, the first upper cross steel plate and the second upper cross steel plate are in cross fit connection, the firmness of connection of the bridge expansion part can be increased, and the vibration is small and the comfort level is high when a vehicle passes.
In the structure, the bridge body and the cross steel plates are connected only through the relevant rubber blocks, and the bridge stretches and contracts at the expansion joints through the expansion and contraction of the rubber blocks, but the service life of the rubber blocks on the bridge is relatively short, so that the bridge maintenance frequency is high.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a bridge expansion device for bridge construction, which aims to solve the problems.
The technical scheme adopted for solving the technical problems is as follows: a bridge expansion device for bridge construction having a first concrete bridge body and a second concrete bridge body, the bridge expansion device comprising:
an intermediate bridge body positioned between the first concrete bridge body and the second concrete bridge body;
the first cross steel plate is positioned above the middle bridge body, and is connected with the middle bridge body through a telescopic assembly, and the telescopic assembly is also connected with the first concrete bridge body and the second concrete bridge body respectively;
the top surface steel plate assembly is located at the upper end of the first cross steel plate, the top surface steel plate assembly comprises a second cross steel plate and a third cross steel plate, and a bending gap is formed between the second cross steel plate and the third cross steel plate.
Further, the intermediate bridge body is connected with the first concrete bridge body and the second concrete bridge body through rubber layers respectively.
Specifically, the bearing columns are arranged on the inner sides of the first concrete bridge body and the second concrete bridge body, and the upper ends of the bearing columns are connected with the first crossed steel plates.
Specifically, the upper end of the bearing column penetrates through the first crossed steel plate and is provided with a limiting block.
Further, the telescopic component comprises a middle column, a first connecting column is arranged at the lower end of the middle column, the upper end of the middle column is connected with a first crossed steel plate, the lower end of the first connecting column is connected with a middle bridge body, a first spring is sleeved on the first connecting column, second connecting columns are arranged on two sides of the middle column, a spring sleeve is sleeved at the tail end of each second connecting column, and the tail ends of the spring sleeves are respectively connected with a corresponding first concrete bridge body and a corresponding second concrete bridge body.
Specifically, wear to be equipped with the second spring in the spring housing, this second spring one end butt is on the spring housing, and the other end butt is on the second spliced pole.
Further, an embedded groove is formed in one side, close to the third crossed steel plate, of the second crossed steel plate, and an embedded block corresponding to the embedded groove is arranged on the third crossed steel plate.
Further, the embedded grooves are uniformly arranged along the length direction of the second crossed steel plate, and the embedded blocks are uniformly arranged along the length direction of the third crossed steel plate.
The beneficial effects of the utility model are as follows: the first cross steel plate is connected with the middle bridge body, the first concrete bridge body and the second concrete bridge body through the telescopic components, so that the first concrete bridge body and the second concrete bridge body can transversely stretch and retract, meanwhile, the top steel plate component also plays a role in buffering, and the bridge has the advantages of stable overall structure, relatively long service life and maintenance frequency reduction.
Drawings
Fig. 1 is a schematic perspective view of a bridge expansion apparatus according to the present utility model.
Fig. 2 is a schematic internal perspective view of the bridge expansion apparatus according to the present utility model.
In the figure: the concrete bridge comprises a first concrete bridge body 1, a second concrete bridge body 2, an intermediate bridge body 3, a rubber layer 4, a first cross steel plate 5, a second cross steel plate 6, a third cross steel plate 7, an embedded groove 8, an embedded block 9, a bearing column 10, a middle column 11, a first spring 12, a second connecting column 13, a spring sleeve 14 and a second spring 15.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
A bridge expansion and contraction device for constructing a bridge, which is shown in fig. 1 and 2, is provided with a first concrete bridge body 1 and a second concrete bridge body 2, and comprises an intermediate bridge body 3, a first cross steel plate 5 and a top steel plate assembly, wherein the intermediate bridge body 3 is positioned between the first concrete bridge body 1 and the second concrete bridge body 2; the middle bridge body 3 is connected with the first concrete bridge body 1 and the second concrete bridge body 2 through the rubber layers 4 respectively, the bearing columns 10 are installed on the inner sides of the first concrete bridge body 1 and the second concrete bridge body 2, and the upper ends of the bearing columns 10 are connected with the first crossed steel plates 5.
The first cross steel plate 5 is located above the middle bridge body 3, and the first cross steel plate 5 is connected with the middle bridge body 3 through a telescopic component, the upper end of the bearing column 10 penetrates through the first cross steel plate 5 and is provided with a limiting block, and the telescopic component is further connected with the first concrete bridge body 1 and the second concrete bridge body 2 respectively.
The telescopic assembly comprises a middle column 11, a first connecting column is arranged at the lower end of the middle column 11, the upper end of the middle column 11 is connected with a first crossed steel plate 5, the lower end of the first connecting column is connected with a middle bridge body 3, first springs 12 are sleeved on the first connecting column, second connecting columns 13 are arranged on two sides of the middle column 11, spring sleeves 14 are sleeved at the tail ends of the second connecting columns 13, the tail ends of the spring sleeves 14 are respectively connected with a corresponding first concrete bridge body 1 and a corresponding second concrete bridge body 2, second springs 15 are arranged in the spring sleeves 14 in a penetrating mode, one ends of the second springs 15 are abutted to the spring sleeves 14, and the other ends of the second springs are abutted to the second connecting columns 13.
The top surface steel plate component is positioned at the upper end of the first cross steel plate 5 and comprises a second cross steel plate 6 and a third cross steel plate 7, a zigzag gap is formed between the second cross steel plate 6 and the third cross steel plate 7, an embedded groove 8 is arranged at one side of the second cross steel plate 6 close to the third cross steel plate 7, the third cross steel plate 7 is provided with embedded blocks 9 corresponding to the embedded grooves 8, the embedded grooves 8 are uniformly arranged along the length direction of the second cross steel plate 6, and the embedded blocks 9 are uniformly arranged along the length direction of the third cross steel plate 7, so that a zigzag gap is formed between the second cross steel plate 6 and the third cross steel plate 7.
According to the utility model, the first crossed steel plate 5 is connected with the intermediate bridge body 3, the first concrete bridge body 1 and the second concrete bridge body 2 through the telescopic components, so that the first concrete bridge body 1 and the second concrete bridge body 2 can transversely stretch and retract, meanwhile, the top steel plate component also plays a role in buffering, and the whole structure is stable, the service life is relatively long, and the maintenance frequency is reduced.
The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.
Claims (8)
1. Bridge telescoping device of usefulness is put up to bridge, it has first concrete bridge body (1) and second concrete bridge body (2), its characterized in that, this bridge telescoping device includes:
an intermediate bridge body (3) located between the first concrete bridge body (1) and the second concrete bridge body (2);
the first cross steel plate (5) is positioned above the middle bridge body (3), the first cross steel plate (5) is connected with the middle bridge body (3) through a telescopic assembly, and the telescopic assembly is also respectively connected with the first concrete bridge body (1) and the second concrete bridge body (2);
the top surface steel plate assembly is located at the upper end of the first cross steel plate (5), the top surface steel plate assembly comprises a second cross steel plate (6) and a third cross steel plate (7), and a bending gap is formed between the second cross steel plate (6) and the third cross steel plate (7).
2. Bridge extension device for bridge construction according to claim 1, characterized in that the intermediate bridge body (3) is connected to the first concrete bridge body (1) and the second concrete bridge body (2) by means of rubber layers (4), respectively.
3. Bridge extension device for bridge construction according to claim 2, characterized in that the inner sides of the first concrete bridge body (1) and the second concrete bridge body (2) are provided with bearing columns (10), and the upper ends of the bearing columns (10) are connected with the first crossed steel plates (5).
4. A bridge extension and retraction device for bridge construction according to claim 3 wherein the upper end of the bearing post (10) extends through the first cross steel plate (5) and is provided with a stopper.
5. Bridge extension device for bridge construction according to claim 1, characterized in that the extension assembly comprises a middle column (11), the lower end of the middle column (11) is provided with a first connecting column, the upper end of the middle column is connected with a first cross steel plate (5), the lower end of the first connecting column is connected with the middle bridge body (3), a first spring (12) is sleeved on the first connecting column, two sides of the middle column (11) are provided with second connecting columns (13), the tail end of the second connecting column (13) is sleeved with a spring sleeve (14), and the tail end of the spring sleeve (14) is respectively connected with a corresponding first concrete bridge body (1) and a corresponding second concrete bridge body (2).
6. The bridge expansion and contraction device for bridge construction according to claim 5, wherein a second spring (15) is inserted into the spring housing (14), one end of the second spring (15) is abutted against the spring housing (14), and the other end is abutted against the second connecting column (13).
7. The bridge expansion device for bridge construction according to claim 1, wherein an embedded groove (8) is provided on one side of the second cross steel plate (6) close to the third cross steel plate (7), and an embedded block (9) corresponding to the embedded groove (8) is provided on the third cross steel plate (7).
8. The bridge expansion and contraction device for bridge construction according to claim 7, wherein the embedded grooves (8) are uniformly arranged along the length direction of the second intersecting steel plate (6), and the embedded blocks (9) are uniformly arranged along the length direction of the third intersecting steel plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222711597.3U CN219059738U (en) | 2022-10-14 | 2022-10-14 | Bridge telescoping device that bridge was built usefulness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222711597.3U CN219059738U (en) | 2022-10-14 | 2022-10-14 | Bridge telescoping device that bridge was built usefulness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219059738U true CN219059738U (en) | 2023-05-23 |
Family
ID=86344051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222711597.3U Active CN219059738U (en) | 2022-10-14 | 2022-10-14 | Bridge telescoping device that bridge was built usefulness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219059738U (en) |
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2022
- 2022-10-14 CN CN202222711597.3U patent/CN219059738U/en active Active
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