CN220352607U - Bridge expansion joint - Google Patents
Bridge expansion joint Download PDFInfo
- Publication number
- CN220352607U CN220352607U CN202321823155.6U CN202321823155U CN220352607U CN 220352607 U CN220352607 U CN 220352607U CN 202321823155 U CN202321823155 U CN 202321823155U CN 220352607 U CN220352607 U CN 220352607U
- Authority
- CN
- China
- Prior art keywords
- expansion joint
- bridge expansion
- top panel
- middle beam
- bridge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The utility model discloses a bridge expansion joint, which relates to the technical field of bridge engineering and comprises a mounting seat, wherein an edge beam is arranged at the top of the mounting seat, a middle beam is arranged between two edge beams, a square plate is formed at the top of the middle beam, a plurality of straight slot openings are formed at two ends of the square plate, a positioning rod is connected inside the straight slot openings in a sliding manner, the bottom end of the positioning rod is fixedly connected to the bottom of the edge beam, a top panel is arranged at the top of the middle beam, a plurality of threaded holes are formed at the end part of the top panel, the threaded holes penetrate through the mounting seat, and bolts are connected inside the threaded holes in a threaded manner. According to the utility model, the top panel and the bolts are arranged, so that the parts of the bridge expansion joint are damaged in the long-time use process of the bridge expansion joint, the bolts can be removed, the fixing of the side beam and the top panel by the bolts is released, the side beam, the middle beam and the top panel can be removed, and the damaged parts are replaced, so that the replacement and the maintenance are rapidly carried out, and the cost consumption is reduced.
Description
Technical Field
The utility model relates to the technical field of bridge engineering, in particular to a bridge expansion joint.
Background
The bridge is a building constructed for crossing natural or artificial obstacles on roads, and is erected on rivers, lakes and seas, so that vehicles, pedestrians and the like can pass smoothly; the expansion phenomenon can occur in the using process of the bridge, so that the bridge expansion joint is used in order that the bridge is not damaged due to expansion; bridge expansion joints are one result of the use cited to meet deck deformation requirements, typically at the hinge location between two beam ends, between a beam end and a bridge abutment, or at the bridge.
In ideal conditions, the service life of the steel piece in the bridge expansion joint is 40 years, and the service life of the rubber piece is 15 years; in practical use, the damage frequency of the rubber part is greatly improved due to rainwater, garbage and soil and the like, the steel part is broken due to long-time rolling of vehicles, and the bridge expansion joint is usually welded and poured with concrete, so that the rubber part needs to be replaced after being integrally cut during replacement, and the rubber part can be replaced or maintained at high cost and by manpower.
Disclosure of Invention
The utility model aims at: in order to solve the problem that the bridge expansion joint is inconvenient to replace and maintain and has high replacement cost, the bridge expansion joint is provided.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the bridge expansion joint comprises mounting seats, wherein two mounting seats are symmetrically distributed, side beams are mounted at the tops of the mounting seats, a middle beam is arranged between the two side beams, a square plate is formed at the top of the middle beam, a plurality of straight slot openings are formed at two ends of the square plate, a positioning rod is connected inside the straight slot openings in a sliding mode, and the bottom ends of the positioning rod are fixedly connected to the bottoms of the side beams;
a rubber sealing strip is connected between the side beam and the middle beam;
the top of the middle beam is provided with a top panel, a plurality of threaded holes are formed in the end part of the top panel, the threaded holes penetrate through the mounting seat, and bolts are connected with the internal threads of the threaded holes;
the bottom end of the mounting seat is internally and slidably connected with a cross beam, the inside of the mounting seat is fixedly connected with a rubber support, and the rubber support is attached to the upper surface and the lower surface of the cross beam;
the bottom of the middle beam is provided with a groove matched with the shape of the cross beam, and the middle beam is spliced with the cross beam.
As still further aspects of the utility model: one end fixedly connected with a plurality of anchor plates of mount pad, the outer wall fixedly connected with anchor bar of anchor plate, anchor plate and anchor bar mutually support and are used for strengthening the joint force between bridge expansion joint and the bridge.
As still further aspects of the utility model: the length of the straight notch is greater than the deformed length of the rubber sealing strip.
As still further aspects of the utility model: the length of the inner side bottom surface of the top panel is longer than that of the middle beam square panel.
As still further aspects of the utility model: lubricating oil is smeared at the connection part of the bottom surface of the middle beam top square plate and the boundary beam.
As still further aspects of the utility model: the material of top panel is elastic composite material, the top surface of top panel and bridge floor are located the coplanar.
As still further aspects of the utility model: the crossbeam is made of high-strength materials, the top square plate of the middle beam has certain toughness, and the gravity of the top square plate is larger than the warping force of the middle beam.
Compared with the prior art, the utility model has the beneficial effects that:
through setting up top panel and bolt, in the long-time use of bridge expansion joint, the part emergence of bridge expansion joint damages, can take off the bolt, releases the bolt and to the fixed of boundary beam and top panel to can take off boundary beam, well roof beam and top panel, change the part of damage, thereby change fast and maintain, with the reduction cost consumption.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the present utility model with the top panel removed;
fig. 3 is a schematic view of a partial cross-sectional structure of the present utility model.
In the figure: 1. a mounting base; 2. edge beams; 3. a center sill; 4. a rubber sealing strip; 5. a top panel; 6. a threaded hole; 7. a bolt; 8. a straight slot; 9. a positioning rod; 10. a cross beam; 11. a rubber support; 12. an anchor plate; 13. and (5) anchor bars.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 3, in the embodiment of the utility model, a bridge expansion joint comprises an installation seat 1, wherein two installation seats 1 are symmetrically distributed, side beams 2 are installed at the top of the installation seat 1, a middle beam 3 is arranged between the two side beams 2, a square plate is formed at the top of the middle beam 3, a plurality of straight slot openings 8 are formed at two ends of the square plate, a positioning rod 9 is connected inside the straight slot openings 8 in a sliding manner, and the bottom ends of the positioning rods 9 are fixedly connected to the bottoms of the side beams 2;
a rubber sealing strip 4 is connected between the side beam 2 and the middle beam 3;
the top of the middle beam 3 is provided with a top panel 5, the end part of the top panel 5 is provided with a plurality of threaded holes 6, the threaded holes 6 penetrate through the mounting seat 1, and bolts 7 are connected with the internal threads of the threaded holes 6;
the inside of the bottom end of the mounting seat 1 is connected with a cross beam 10 in a sliding manner, the inside of the mounting seat 1 is fixedly connected with a rubber support 11, and the rubber support 11 is attached to the upper surface and the lower surface of the cross beam 10;
the bottom of the middle beam 3 is provided with a groove matched with the shape of the cross beam 10, and the middle beam 3 is spliced with the cross beam 10;
one end of the mounting seat 1 is fixedly connected with a plurality of anchor plates 12, the outer wall of each anchor plate 12 is fixedly connected with an anchor rib 13, and the anchor plates 12 and the anchor ribs 13 are matched with each other to strengthen the connection force between the bridge expansion joint and the bridge.
In this embodiment: when the bridge expansion joint is installed, the installation seat 1 is placed in the bridge, and the anchor plate 12 and the anchor bar 13 are fixed through the steel bars and the concrete in the bridge body, so that the installation seat 1 is fixed in the bridge body, and the cross beam 8 is placed in the installation seat 1;
the side beam 2, the middle beam 3, the rubber sealing strip 4 and the top panel 5 are sequentially arranged between two mounting seats 1, the position of the middle beam 3 is determined through a positioning rod 8 on the side beam 2 and a straight slot 9 of a square plate at the top of the middle beam 3, so that the middle beam 3 is mounted, the middle beam 3 is spliced on a cross beam 8, and a rubber bracket 11 is used for buffering longitudinal force;
the side beam 2 and the top panel 5 are connected and fixed on the mounting seat 1 through the threaded holes 6 on the top panel 5 and the bolts 7, so that the installation of the bridge expansion joint is completed;
in the long-time use process of the bridge expansion joint, the parts of the bridge expansion joint are damaged, the bolts 7 can be taken down, the fixing of the side beams 2 and the top panel 5 by the bolts 7 is released, and therefore the side beams 2, the middle beam 3 and the top panel 5 can be taken down, damaged parts are replaced, and replacement and maintenance are performed rapidly, so that cost consumption is reduced.
Referring to fig. 2, the length of the straight slot 8 is longer than the deformed length of the rubber sealing strip 4.
In this embodiment: in the daily use of the bridge expansion joint, the structure can avoid the bridge deformation to drive the middle beam 3 to collide with the positioning rod 7, thereby influencing the service life of the bridge expansion joint.
Referring to fig. 1 and 3, the length of the bottom surface of the top panel 5 is greater than the length of the square plate of the middle beam 3.
In this embodiment: in the daily use of the bridge expansion joint, the structure can enable the middle beam 3 to have enough space to move, so that deformation among bridges is buffered.
Referring to fig. 1 to 3, lubricating oil is smeared on the connection part between the bottom surface of the top square plate of the middle beam 3 and the side beam 2.
In this embodiment: in the daily use of the bridge expansion joint, the abrasion between the side beam 2 and the middle beam 3 can be reduced, so that the expansion and contraction movement can be smoothly carried out, and the service life of the bridge expansion joint is prolonged.
Referring to fig. 1 to 3, the top panel 5 is made of an elastic composite material, and the top surface of the top panel 5 and the bridge deck are located on the same plane.
In this embodiment: the structure can buffer the pressure of the running automobile on the bridge deck to the action of the bridge expansion joint in the daily use of the bridge expansion joint, and meanwhile, the traffic of vehicles is not influenced.
Referring to fig. 1 to 3, the cross member 10 is made of a high strength material, the top square plate of the middle beam 3 has a certain toughness, and the gravity of the top panel 5 is greater than the warping force of the middle beam 3.
In this embodiment: in the daily use of the bridge expansion joint, the structure can avoid the fracture of the cross beam 10 caused by overlarge pressure of the automobile on the bridge deck to the bridge expansion joint, and simultaneously, under the action of longitudinal force, the top panel 5 can prevent the middle beam 3 from deforming, so that the service life of the bridge expansion joint is prolonged.
The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The bridge expansion joint comprises mounting seats (1), wherein the mounting seats (1) are provided with two symmetrical distribution plates, and the bridge expansion joint is characterized in that edge beams (2) are mounted at the tops of the mounting seats (1), a middle beam (3) is arranged between the two edge beams (2), square plates are formed at the tops of the middle beams (3), a plurality of straight slot openings (8) are formed at the two ends of the square plates, and positioning rods (9) are connected to the inner parts of the straight slot openings (8) in a sliding mode and are fixedly connected to the bottoms of the edge beams (2) at the bottom ends of the positioning rods (9);
a rubber sealing strip (4) is connected between the side beam (2) and the middle beam (3);
the top of the middle beam (3) is provided with a top panel (5), a plurality of threaded holes (6) are formed in the end part of the top panel (5), the threaded holes (6) penetrate through the mounting seat (1), and bolts (7) are connected with the internal threads of the threaded holes (6);
the bottom end of the mounting seat (1) is internally and slidably connected with a cross beam (10), the inside of the mounting seat (1) is fixedly connected with a rubber support (11), and the rubber support (11) is attached to the upper surface and the lower surface of the cross beam (10);
the bottom of the middle beam (3) is provided with a groove matched with the cross beam (10) in shape, and the middle beam (3) is inserted into the cross beam (10).
2. A bridge expansion joint according to claim 1, wherein one end of the mounting base (1) is fixedly connected with a plurality of anchor plates (12), the outer wall of the anchor plates (12) is fixedly connected with anchor bars (13), and the anchor plates (12) and the anchor bars (13) are mutually matched to strengthen the connecting force between the bridge expansion joint and the bridge.
3. A bridge expansion joint according to claim 1, characterized in that the length of the straight slot (8) is greater than the deformed length of the rubber sealing strip (4).
4. A bridge expansion joint according to claim 1, wherein the length of the inner bottom surface of the top panel (5) is greater than the length of the square plate of the centre sill (3).
5. The bridge expansion joint according to claim 1, wherein lubricating oil is smeared at the connection part of the bottom surface of the top square plate of the middle beam (3) and the side beam (2).
6. A bridge expansion joint according to claim 1, wherein the top panel (5) is made of an elastic composite material, and the top surface of the top panel (5) and the bridge deck are located on the same plane.
7. A bridge expansion joint according to claim 1, wherein the cross beam (10) is made of a high-strength material, the top square plate of the middle beam (3) has a certain toughness, and the gravity of the top panel (5) is larger than the warping force of the middle beam (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321823155.6U CN220352607U (en) | 2023-07-12 | 2023-07-12 | Bridge expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321823155.6U CN220352607U (en) | 2023-07-12 | 2023-07-12 | Bridge expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220352607U true CN220352607U (en) | 2024-01-16 |
Family
ID=89480198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321823155.6U Active CN220352607U (en) | 2023-07-12 | 2023-07-12 | Bridge expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220352607U (en) |
-
2023
- 2023-07-12 CN CN202321823155.6U patent/CN220352607U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213038218U (en) | Predictive continuous rigid frame bridge capable of supplementing tensioning prestress | |
| CN108797388B (en) | Reinforcing structure for improving bearing capacity of hollow slab girder bridge and construction method thereof | |
| CN213804840U (en) | Damper device suitable for seamless bridge | |
| CN220352607U (en) | Bridge expansion joint | |
| CN210732811U (en) | Pedestal bottom die structure for pouring prestressed beam | |
| CN109930469B (en) | Steel box girder thin-wall pier rigid frame cable-stayed bridge suitable for straddle type monorail | |
| CN109853377B (en) | Bridge deck continuous connection structure adopting ultra-high performance concrete and construction method thereof | |
| CN112853912B (en) | Structure of wood-concrete composite beam bridge simply supported variable continuous fulcrum hogging moment area | |
| CN212656105U (en) | Self-resetting prefabricated assembled pier | |
| KR100465439B1 (en) | Construction method for reinforcing concrete structures using an apparatus for anchoring reinforcing steel material | |
| CN111827140A (en) | Unbonded external transverse prestress reinforced hinge joint cracking damaged plate beam structure and method | |
| CN220813422U (en) | Single-column pier anti-overturning structure | |
| CN220486262U (en) | Newly-built concrete bridge structure for bridge widening | |
| CN218116176U (en) | Leveling truss type auxiliary device of jack for pushing turnout continuous steel box girder | |
| CN217810470U (en) | Light-duty assembled steel-UHPC composite beam | |
| CN219410593U (en) | Be applied to assembled adjustable diaphragm of oblique curved T roof beam bridge | |
| CN217460271U (en) | Seamless steel bridge floor structure of bridge engineering | |
| CN216338999U (en) | Earthquake damage-free double-limb thin-wall hollow concrete pier | |
| CN2560670Y (en) | Assembled comb type brdige stretching apparatus | |
| CN114622483B (en) | Assembled swinging pier with built-in energy dissipation device and prefabricating and assembling method thereof | |
| CN219298001U (en) | Temporary supporting system for fulcrum steel cross beam in continuous steel box girder | |
| CN215441468U (en) | Bridge anti-falling limiting device | |
| CN210561506U (en) | Double-track beam structure of I-shaped cross section medium-low speed magnetic levitation traffic | |
| CN220724832U (en) | Full support assembled bridge expansion device | |
| CN219731644U (en) | Cantilever beam structure of pier overhaul platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |