CN215714590U - Expansion joint structure for highway bridge - Google Patents
Expansion joint structure for highway bridge Download PDFInfo
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- CN215714590U CN215714590U CN202120302280.7U CN202120302280U CN215714590U CN 215714590 U CN215714590 U CN 215714590U CN 202120302280 U CN202120302280 U CN 202120302280U CN 215714590 U CN215714590 U CN 215714590U
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Abstract
The utility model discloses an expansion joint structure for a highway bridge, and relates to the technical field of bridge expansion joints. Including first bridge and second bridge, be provided with connecting iron plate between first bridge and the second bridge, the opposite face of first bridge and second bridge is all fixed and is provided with the fixed block, the fixed installation piece that is located the fixed block that is provided with in bottom of connecting iron plate, the fixed two connecting blocks that set up in bottom of connecting iron plate, the equal fixed mounting in looks remote site of fixed block has the elastic block. The bottom through setting up the installation piece is located the inside of fixed block for connecting iron plate and fixed block interconnect, the inside of two bridges is inserted respectively to the bottom of two connecting blocks of rethread, make interconnect between two bridges and the connecting iron plate, make connecting iron plate by stable horizontal installation in expansion joint department, reached the effect that the vehicle of being convenient for normally traveles, avoided connecting iron plate can reduce the speed of traveling of vehicle.
Description
Technical Field
The utility model relates to the technical field of bridge expansion joints, in particular to an expansion joint structure for a highway bridge.
Background
Bridge expansion joints are defined to meet the requirements of deck deformation, and are typically provided between the ends of two beams, between the beam ends and the abutment, or at the hinge points of the bridge, and serve to accommodate displacement and coupling between the superstructure caused by vehicle loads and bridge construction materials.
In the prior art, the top of a common expansion joint structure is higher than the surface of a bridge, so that vehicles in the coming and going directions can only reduce the speed in order to prevent vehicle jumping, but the normal running speed of the vehicles can be increased, the running cost of the vehicles can be increased, in addition, the expansion joint structure is often soaked by rainwater after raining, the expansion joint structure is corroded by the combination of the rainwater and other substances after the expansion joint structure is worn, the service life can be shortened, and the expansion joint structure for the highway bridge is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides an expansion joint structure for a highway bridge, which has the advantages of convenience for normal running of vehicles and convenience for water prevention and solves the problems that the expansion joint structure is convenient for running of the vehicles and is easy to be corroded by combination of rainwater and other substances.
In order to realize the purposes of facilitating the normal running of vehicles and facilitating the water prevention, the utility model provides the following technical scheme: an expansion joint structure for a highway bridge comprises a first bridge and a second bridge, wherein a connecting iron plate is arranged between the first bridge and the second bridge, fixed blocks are fixedly arranged on opposite surfaces of the first bridge and the second bridge, an installation block positioned in each fixed block is fixedly arranged at the bottom of the connecting iron plate, and two connecting blocks are fixedly arranged at the bottom of the connecting iron plate;
the opposite ends of the fixed blocks are fixedly provided with elastic blocks, the two ends of the bottom of the connecting iron plate are fixedly provided with water baffles, and the insides of the first bridge and the second bridge are provided with flumes;
and reinforcing plates positioned below the fixing blocks are arranged at the opposite ends of the first bridge and the second bridge.
As a preferred technical scheme of the utility model, a first connecting layer is fixedly arranged between the bottom of the connecting iron plate and the surfaces of the first bridge and the second bridge respectively, a second connecting layer is fixedly arranged between the first bridge, the connecting iron plate and the fixed block or between the second bridge, the connecting iron plate and the fixed block, and the first connecting layer and the second connecting layer are both made of waterproof expansive concrete.
As a preferred technical scheme of the utility model, fixing grooves are formed in the first bridge and the second bridge, the bottom of the connecting block is located in the fixing grooves, positioning springs are fixedly mounted in the first bridge and the second bridge, a positioning block is fixedly mounted at one end of each positioning spring, a positioning groove is formed in the side surface of the connecting block, and one end of each positioning block is located in the positioning groove.
As a preferred technical scheme of the utility model, a sliding groove is formed in the fixed block, a sliding block is fixedly arranged on the surface of the mounting block, and the sliding block and the bottom of the mounting block are movably positioned in the sliding groove.
As a preferred technical scheme of the present invention, the surface of the connecting iron plate is provided with a waterproof coating, and tops of the connecting iron plate, the first bridge and the second bridge are arranged in parallel.
As a preferred technical scheme of the utility model, the side surface of the water baffle is fixedly provided with the flow guide auxiliary block, and the bottom of the water baffle is positioned inside one end of the flume.
Compared with the prior art, the utility model provides an expansion joint structure for a highway bridge, which has the following beneficial effects:
1. this expansion joint structure that public road bridge roof beam was used is located the inside of fixed block through the bottom that sets up the installation piece for connecting iron plate and fixed block interconnect, the inside of two bridges is inserted respectively to the bottom of two connecting blocks of rethread, make interconnect between two bridges and the connecting iron plate, make connecting iron plate by stable horizontal installation in expansion joint department, reached the effect that the vehicle of being convenient for normally traveles, avoided connecting iron plate can reduce the speed of traveling of vehicle.
2. This expansion joint structure that public road bridge roof beam was used, the bottom through setting up the breakwater is located inside the one end of tye for the breakwater can lead the rainwater that falls into expansion joint department through the tye, has avoided the rainwater can fall on the surface that is located expansion joint inner structure, has reached waterproof effect, and the structure of having avoided expansion joint department is corroded by rainwater and other material combinations easily, has reached the effect that keeps normal life.
Drawings
FIG. 1 is a front cross-sectional view of the structure of the present invention;
FIG. 2 is a schematic structural view of a mounting block of the present invention;
fig. 3 is a schematic structural view of the fixing block of the present invention.
In the figure: 1. a first bridge; 2. a second bridge; 3. connecting the iron plates; 4. a fixed block; 5. mounting blocks; 6. a first tie layer; 7. a second connection layer; 8. connecting blocks; 9. positioning blocks; 10. a positioning spring; 11. positioning a groove; 12. a chute; 13. a slider; 14. an elastic block; 15. a water-resistant coating; 16. a water baffle; 17. a flow guide auxiliary block; 18. a launder; 19. a reinforcing plate; 20. and fixing the grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the utility model discloses an expansion joint structure for highway bridges, comprising a first bridge 1 and a second bridge 2, wherein a connecting iron plate 3 is arranged between the first bridge 1 and the second bridge 2, fixed blocks 4 are fixedly arranged on the opposite surfaces of the first bridge 1 and the second bridge 2, mounting blocks 5 positioned in the fixed blocks 4 are fixedly arranged at the bottom of the connecting iron plate 3, two connecting blocks 8 are fixedly arranged at the bottom of the connecting iron plate 3, a first connecting layer 6 is fixedly arranged between the bottom of the connecting iron plate 3 and the surfaces of the first bridge 1 and the second bridge 2 respectively, second connecting layers 7 are fixedly arranged between the first bridge 1, the connecting iron plate 3 and the fixed blocks 4 or between the second bridge 2, the connecting iron plate 3 and the fixed blocks 4, and the first connecting layer 6 and the second connecting layer 7 are both made of waterproof expansion concrete, the connecting iron plates 3 are mutually connected with the fixed block 4 by arranging the bottoms of the mounting blocks 5 in the fixed block 4, and then the bottoms of the two connecting blocks 8 are respectively inserted into the two bridges, so that the two bridges and the connecting iron plates 3 are mutually connected, and the connecting iron plates 3 are stably and horizontally mounted at the expansion joints, thereby achieving the effect of facilitating the normal running of the vehicle and avoiding the reduction of the running speed of the vehicle by the connecting iron plates 3;
the elastic blocks 14 are fixedly arranged at the opposite ends of the fixed blocks 4, the water baffles 16 are fixedly arranged at the two ends of the bottom of the connecting iron plate 3, the water flowing grooves 18 are formed in the first bridge 1 and the second bridge 2, and the bottoms of the water baffles 16 are positioned in one ends of the water flowing grooves 18, so that the water baffles 16 can guide rainwater falling into the expansion joint out through the water flowing grooves 18, the rainwater is prevented from falling onto the surface of the structure in the expansion joint, a waterproof effect is achieved, the structure at the expansion joint is prevented from being easily corroded by the combination of the rainwater and other substances, and the effect of keeping the normal service life is achieved;
opposite ends of the first bridge beam 1 and the second bridge beam 2 are fixedly provided with reinforcing plates 19 positioned below the fixing blocks 4.
Specifically, fixed slot 20 has all been seted up to the inside of first bridge 1 and second bridge 2, the bottom of connecting block 8 is located the inside of fixed slot 20, the equal fixed mounting in inside of first bridge 1 and second bridge 2 has positioning spring 10, positioning spring 10's one end fixed mounting has locating piece 9, constant head tank 11 has been seted up to the side of connecting block 8, the one end of locating piece 9 is located the inside of constant head tank 11.
In this embodiment, the one end that utilizes locating piece 9 is located the inside of constant head tank 11 for locating piece 9 can be through the position of constant head tank 11 fixed connection piece 8, makes the connectivity increase between connection iron plate 3, first bridge 1 and the second bridge 2, has reached the effect of location.
Specifically, spout 12 has been seted up to the inside of fixed block 4, the fixed surface of installation piece 5 installs slider 13, slider 13 and the equal activity in the inside of spout 12 in bottom of installation piece 5.
In this embodiment, utilize the inside that the equal activity of bottom of slider 13 and installation piece 5 is located spout 12 for connecting the space that has deformation between iron plate 3, first bridge 1 and the second bridge 2, avoided connecting the dead condition of lock can appear between iron plate 3, first bridge 1 and the second bridge 2.
Specifically, the surface of the connecting iron plate 3 is provided with a waterproof coating 15, and the tops of the connecting iron plate 3, the first bridge beam 1 and the second bridge beam 2 are arranged in parallel.
In this embodiment, the waterproof coating 15 provided on the surface of the connecting iron plate 3 is used to prevent the connecting iron plate 3 from being corroded by rainwater, thereby achieving the waterproof protection effect.
Specifically, a flow guide auxiliary block 17 is fixedly installed on the side surface of the water baffle 16, and the bottom of the water baffle 16 is located inside one end of the launder 18.
In this embodiment, the bottom of the water baffle 16 is located inside one end of the gutter 18, so that the water baffle 16 can guide the rainwater directly into the gutter 18 by the drainage of the flow guide auxiliary block 17, thereby achieving the water guiding effect.
The working principle and the using process of the utility model are as follows: when the fixing device is used, the bottom of the connecting block 8 is inserted into the fixing groove 20, meanwhile, the bottom of the connecting block 8 abuts against the surface of the positioning block 9, the positioning block 9 firstly compresses the positioning spring 10 and moves, the rear positioning block 9 is inserted into the positioning groove 11 under the elasticity of the positioning spring 10, the state between the positioning block 9 and the connecting block 8 is limited, and meanwhile, the connecting iron plate 3 and the fixing block 4 are mutually connected through the sliding between the bottom of the mounting block 5 and the inside of the fixing block 4, so that the first bridge 1, the second bridge 2 and the connecting iron plate 3 are mutually connected, and the connecting iron plate 3 is stably and horizontally arranged at an expansion joint; when raining, rainwater drips into the expansion joint through the gaps among the first bridge 1, the second bridge 2 and the connecting iron plate 3, and the bottom of the water baffle 16 is located inside one end of the water flowing groove 18, so that the water baffle 16 can guide the rainwater falling into the expansion joint out through the water flowing groove 18, the rainwater is prevented from falling on the surface of the internal structure of the expansion joint, and the internal structure of the expansion joint is protected.
In summary, in the expansion joint structure for the highway bridge, the connecting iron plates 3 are mutually connected with the fixed blocks 4 by arranging the bottoms of the mounting blocks 5 in the fixed blocks 4, and then the bottoms of the two connecting blocks 8 are respectively inserted into the two bridges, so that the two bridges and the connecting iron plates 3 are mutually connected, the connecting iron plates 3 are stably and horizontally mounted at the expansion joint, the effect of facilitating the normal running of a vehicle is achieved, and the phenomenon that the connecting iron plates 3 reduce the running speed of the vehicle is avoided; the bottom of the water baffle 16 is arranged in one end of the water flowing groove 18, so that the water baffle 16 can lead rainwater falling into the expansion joint out through the water flowing groove 18, the rainwater is prevented from falling on the surface of the internal structure of the expansion joint, a waterproof effect is achieved, the structure at the expansion joint is prevented from being easily corroded by combination of the rainwater and other substances, and the effect of keeping the normal service life is achieved.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an expansion joint structure that public road bridge roof beam was used, includes first bridge (1) and second bridge (2), its characterized in that: a connecting iron plate (3) is arranged between the first bridge (1) and the second bridge (2), fixed blocks (4) are fixedly arranged on the opposite surfaces of the first bridge (1) and the second bridge (2), an installation block (5) positioned in each fixed block (4) is fixedly arranged at the bottom of the connecting iron plate (3), and two connecting blocks (8) are fixedly arranged at the bottom of the connecting iron plate (3);
elastic blocks (14) are fixedly mounted at opposite ends of the fixed blocks (4), water baffles (16) are fixedly mounted at two ends of the bottom of the connecting iron plate (3), and water flowing grooves (18) are formed in the first bridge (1) and the second bridge (2);
and reinforcing plates (19) positioned below the fixing blocks (4) are arranged at the opposite ends of the first bridge (1) and the second bridge (2).
2. The expansion joint structure for road bridges as claimed in claim 1, wherein: the bottom of connecting iron plate (3) respectively with first bridge (1) and second bridge (2) between the surface fixed mounting have first articulamentum (6), equal fixed mounting has second articulamentum (7) between first bridge (1), connecting iron plate (3) and fixed block (4) or between second bridge (2), connecting iron plate (3) and fixed block (4), first articulamentum (6) and second articulamentum (7) are waterproof expansion concrete and make.
3. The expansion joint structure for road bridges as claimed in claim 1, wherein: fixed slot (20) have all been seted up to the inside of first bridge (1) and second bridge (2), the bottom of connecting block (8) is located the inside of fixed slot (20), the equal fixed mounting in the inside of first bridge (1) and second bridge (2) has positioning spring (10), positioning spring (10)'s one end fixed mounting has locating piece (9), constant head tank (11) have been seted up to the side of connecting block (8), the one end of locating piece (9) is located the inside of constant head tank (11).
4. The expansion joint structure for road bridges as claimed in claim 1, wherein: spout (12) have been seted up to the inside of fixed block (4), the fixed surface of installation piece (5) installs slider (13), slider (13) and the bottom of installation piece (5) are all movable to be located the inside of spout (12).
5. The expansion joint structure for road bridges as claimed in claim 1, wherein: the waterproof coating (15) is arranged on the surface of the connecting iron plate (3), and the tops of the connecting iron plate (3), the first bridge (1) and the second bridge (2) are arranged in parallel.
6. The expansion joint structure for road bridges as claimed in claim 1, wherein: and a flow guide auxiliary block (17) is fixedly arranged on the side surface of the water baffle (16), and the bottom of the water baffle (16) is positioned in one end of the flume (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120302280.7U CN215714590U (en) | 2021-02-02 | 2021-02-02 | Expansion joint structure for highway bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120302280.7U CN215714590U (en) | 2021-02-02 | 2021-02-02 | Expansion joint structure for highway bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215714590U true CN215714590U (en) | 2022-02-01 |
Family
ID=80012034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120302280.7U Active CN215714590U (en) | 2021-02-02 | 2021-02-02 | Expansion joint structure for highway bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215714590U (en) |
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2021
- 2021-02-02 CN CN202120302280.7U patent/CN215714590U/en active Active
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