CN112962443B - Modularized assembled expansion joint structure suitable for steel box girder bridge - Google Patents
Modularized assembled expansion joint structure suitable for steel box girder bridge Download PDFInfo
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- CN112962443B CN112962443B CN202110208297.0A CN202110208297A CN112962443B CN 112962443 B CN112962443 B CN 112962443B CN 202110208297 A CN202110208297 A CN 202110208297A CN 112962443 B CN112962443 B CN 112962443B
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- end plate
- movable connecting
- hinge
- plate
- hinged
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 39
- 239000010959 steel Substances 0.000 title claims abstract description 39
- 238000010276 construction Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/065—Joints having sliding plates
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A modularized assembled expansion joint structure suitable for a steel box girder bridge relates to the field of bridge structures. The modularized assembled expansion joint structure suitable for the steel box girder bridge comprises a first end plate, a second end plate, at least one pair of first movable connecting plates and at least one pair of second movable connecting plates, wherein the first end plate is hinged with the first movable connecting plates, the first movable connecting plates are hinged with the corresponding second movable connecting plates, and the second movable connecting plates are hinged with the second end plates through expansion hinging pieces; the telescopic hinge piece comprises two hinge rods which are arranged in a crossing way and are hinged with each other in the middle part, two ends of each hinge rod in each telescopic hinge piece are respectively hinged with a fixed hinge shaft and a lifting hinge shaft which can lift, and lifting holes for the lifting hinge shaft to pass through and lift are respectively formed in the first end plate, the second end plate, the first movable connecting plate and the second movable connecting plate. The modularized assembled expansion joint structure suitable for the steel box girder bridge has the advantages of convenient assembly and disassembly, and can adapt to expansion joints with different widths to improve travelling comfort and smoothness.
Description
Technical Field
The application relates to the field of bridge structures, in particular to a modularized assembly expansion joint structure suitable for a steel box girder bridge.
Background
With the economic development of China, the urban scale is rapidly expanded, and the mileage of high-grade highways and the number of bridges represented by expressways and municipal roads are rapidly increased, so that the steel box girder bridge has the advantages of smaller height, low total life cycle cost, assemblable construction and the like compared with the concrete girder bridge when the steel box girder bridge has the same span, and is increasingly used in engineering implementation.
However, with the increasing of traffic volume, the bridge expansion joint is used as a part which is exposed in the air for a long time and directly bears the repeated impact of the wheel load, the damage of the bridge expansion joint is more remarkable, meanwhile, as the conventional expansion joint is usually fixed by casting the expansion device and the steel box girder by using concrete, the cast concrete is required to be chiseled off when the expansion joint is replaced, and the concrete is required to be cast again after the expansion joint is reinstalled, so that the problems of long traffic sealing time, large pollution on site and the like during the replacement operation are caused, and the adverse social influence and the great economic cost are easily caused in the urban central area.
Therefore, a need exists for a steel box girder bridge expansion joint structure that can be quickly replaced with low or even zero contamination to meet operational requirements.
Disclosure of Invention
An object of the application is to provide a modularization equipment expansion joint structure suitable for steel box girder bridge, it has loading and unloading convenience, can effectively adapt to the expansion joint of different width in order to improve driving travelling comfort and guarantee driving compliance.
Embodiments of the present application are implemented as follows:
the embodiment of the application provides a modularized assembly expansion joint structure suitable for a steel box girder bridge, which comprises a first end plate, a second end plate, at least one pair of first movable connecting plates and at least one pair of second movable connecting plates, wherein the first end plate and the second end plate are respectively connected with two steel box girders on two sides of an expansion joint; the telescopic hinge piece comprises two hinge rods which are arranged in a crossing way and are hinged with each other in the middle part, one end of each hinge rod in each telescopic hinge piece is hinged with a fixed hinge shaft, the other end of each hinge rod is hinged with a lifting hinge shaft which can be lifted, and lifting holes for the lifting hinge shafts to pass through and lift are respectively formed in the first end plate, the second end plate, the first movable connecting plate and the second movable connecting plate.
In some alternative embodiments, the first end plate and the second end plate are C-shaped steel arranged oppositely, the bottoms of the first end plate and the second end plate are respectively connected with the two steel box girders, and the top of the second end plate is inserted in the inner side of the top of the first end plate in a sliding manner.
In some alternative embodiments, a first slip plate is attached to the top inner wall of the first end plate that is in sliding engagement with the top outer wall of the second end plate.
In some alternative embodiments, a second slip plate is attached to the top inner wall of the second end plate that is in sliding engagement with the top of the first and second articulating plates.
In some alternative embodiments, a third slip plate is connected to the bottom inner walls of the first and second end plates, which is in sliding engagement with the bottom of the first and second movable connection plates, respectively.
In some alternative embodiments, the same fixed hinge shaft or lifting hinge shaft is hinged between the ends of the hinge rods in adjacent telescopic hinges.
The beneficial effects of this application are: the modularized assembled expansion joint structure suitable for the steel box girder bridge comprises a first end plate, a second end plate, at least one pair of first movable connecting plates and at least one pair of second movable connecting plates, wherein the first end plate and the second end plate are respectively connected with two steel box girders on two sides of an expansion joint; the telescopic hinge piece comprises two hinge rods which are arranged in a crossing way and are hinged with each other in the middle part, one end of each hinge rod in each telescopic hinge piece is hinged with a fixed hinge shaft, the other end of each hinge rod is hinged with a lifting hinge shaft which can be lifted, and lifting holes for the lifting hinge shafts to pass through and lift are respectively formed in the first end plate, the second end plate, the first movable connecting plate and the second movable connecting plate. The modularized assembly expansion joint structure suitable for the steel box girder bridge has the advantages that the assembly and the disassembly are convenient, expansion joints with different widths can be effectively adapted to improve driving comfort and ensure driving smoothness.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic cross-sectional structural view of a modular assembled expansion joint structure applicable to a steel box girder bridge provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a first end plate, a first movable connecting plate, a second movable connecting plate, and a second end plate in a modular assembled expansion joint structure applicable to a steel box girder bridge according to an embodiment of the present application.
In the figure: 100. a first end plate; 110. a second end plate; 120. the first movable connecting plate; 130. the second movable connecting plate; 140. lifting holes; 150. a first slip plate; 160. a second slip plate; 170. a third slip plate; 180. a hinge part; 200. a telescopic hinge; 210. a hinge rod; 220. fixing a hinge shaft; 230. a lifting hinge shaft; 300. steel box girder.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships that are conventionally put in use of the product of the application, are merely for convenience of description of the present application and simplification of description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The features and performance of the modular assembled expansion joint structure suitable for use in steel box girder bridges of the present application are described in further detail below in connection with the examples.
As shown in fig. 1 and 2, the embodiment of the present application provides a modular assembled expansion joint structure suitable for a steel box girder bridge, which is installed at an expansion joint between two steel box girders 300, and includes a first end plate 100 and a second end plate 110 connected with the two steel box girders 300 at two sides of the expansion joint, wherein the first end plate 100 and the second end plate 110 are C-shaped steel arranged oppositely, the bottoms of the first end plate 100 and the second end plate 110 are respectively connected with the two steel box girders 300, the top of the second end plate 110 is slidably inserted inside the top of the first end plate 100, two pairs of first movable connecting plates 120 and second movable connecting plates 130 are arranged between the first end plate 100 and the second end plate 110, two pairs of first movable connecting plates 120 and second movable connecting plates 130 are arranged between the first end plate 100 and the first movable connecting plates 120, two pairs of second movable connecting plates 130 are respectively hinged between the second movable connecting plates 130 and the second end plates 110 through a telescopic hinge 200, and hinge parts 180 hinged with the telescopic hinge 200 are respectively arranged between the first end plate 100 and the second end plate 110; each telescopic hinge 200 comprises two hinge rods 210 which are arranged in a crossed manner and are hinged at the middle part, one end of each hinge rod 210 in each telescopic hinge 200 is hinged with a fixed hinge shaft 220, the other end is hinged with a lifting hinge shaft 230 which can be lifted, lifting holes 140 for the lifting hinge shaft 230 to pass through and lift are respectively formed in the hinge parts 180 of the first end plate 100 and the second end plate 110 and in the first movable connecting plate 120 and the second movable connecting plate 130, one fixed hinge shaft 220 is hinged between the first end plate 100 and the first movable connecting plate 120, one lifting hinge shaft 230 is hinged between the first movable connecting plate 120 and the end part of the other hinge rod 210 in three adjacent telescopic hinge 200 between the first movable connecting plate 120 and the second end plate 110 and between the second movable connecting plate 130 and the end part of the other hinge rod 210 in the three adjacent telescopic hinge parts; the top inner wall of the first end plate 100 is connected with a first sliding plate 150 in sliding fit with the top outer wall of the second end plate 110, the top inner wall of the second end plate 110 is connected with a second sliding plate 160 in sliding fit with the tops of the first movable connecting plate 120 and the second movable connecting plate 130, and the bottom inner walls of the first end plate 100 and the second end plate 110 are respectively connected with a third sliding plate 170 in sliding fit with the bottoms of the first movable connecting plate 120 and the second movable connecting plate 130.
The modular assembled expansion joint structure suitable for steel box girder bridge provided in this embodiment connects the C-shaped first end plate 100 and the second end plate 110 which are oppositely arranged at the adjacent ends of the two steel box girders 300, and makes the bottoms of the first end plate 100 and the second end plate 110 respectively connected with the two steel box girders 300, the top of the second end plate 110 is slidably inserted into the inner side of the top of the first end plate 100, meanwhile, two pairs of first movable connecting plates 120 and second movable connecting plates 130 are respectively arranged between the first end plate 100 and the second end plate 110, and the first movable connecting plates 120 and the corresponding second movable connecting plates 130 and the second movable connecting plates 130 are respectively hinged through a telescopic hinge piece 200, each telescopic hinge piece 200 comprises two hinge rods 210 which are alternately arranged and hinged at the middle parts, one end of each hinge rod 210 in each telescopic hinge piece 200 is hinged with a fixed hinge shaft 220, and the other end is hinged with a lifting hinge shaft 230. In the modularized assembly expansion joint structure suitable for the steel box girder bridge provided by the embodiment, the hinge rods 210 in the three adjacent telescopic hinge pieces 200 are hinged through the lifting hinge shaft 230 which can be lifted and the fixed hinge shaft 220 which is fixedly arranged, so that the modularized assembly expansion joint structure suitable for the steel box girder bridge can be driven to move along the horizontal direction when two steel box girders 300 are horizontally displaced, and the telescopic hinge pieces 200 in the three telescopic hinge pieces 200 are driven to rotate around the middle hinged positions of the two hinge rods 210, the lifting hinge shaft 230 and the fixed hinge shaft 220, and the telescopic hinge pieces 200 are stretched or shortened, so that the telescopic buffer function of the expansion joint is realized; the top inner wall of the first end plate 100 is connected with a first sliding plate 150 in sliding fit with the top outer wall of the second end plate 110, the top inner wall of the second end plate 110 is connected with a second sliding plate 160 in sliding fit with the tops of the first movable connecting plate 120 and the second movable connecting plate 130, and the bottom inner walls of the first end plate 100 and the second end plate 110 are respectively connected with a third sliding plate 170 in sliding fit with the bottoms of the first movable connecting plate 120 and the second movable connecting plate 130, so that the C-shaped extending cantilever parts of the first end plate 100 and the second end plate 110 are effectively supported while the first sliding plate 150, the second sliding plate 160 and the third sliding plate 170 are horizontally displaced along with the telescopic hinge 200, and the safety and the driving comfort of the structure are improved. The three telescopic hinge 200 modules in the modularized assembly expansion joint structure suitable for the steel box girder bridge can be assembled in advance in a factory, the first end plate 100, the second end plate 110 and the two steel box girders 300 are only required to be welded and connected on site, and then the three telescopic hinge 200, the first movable connecting plate 120 and the second movable connecting plate 130 are hinged with the first end plate 100 and the second end plate 110, so that the construction speed is high, pollution is avoided due to the fact that all the telescopic hinge 200 modules are mechanically connected, meanwhile, the telescopic hinge 200 assembled by selecting hinge rods 210 with different lengths can adapt to different seam width requirements to improve driving comfort and ensure driving compliance, and is convenient to replace at any time in the construction and subsequent bridge maintenance process to adapt to the use requirements, and therefore construction and maintenance costs are effectively saved.
The embodiments described above are some, but not all, of the embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
Claims (2)
1. The modularized assembled expansion joint structure is characterized by comprising a first end plate, a second end plate, at least one pair of first movable connecting plates and at least one pair of second movable connecting plates, wherein the first end plate and the second end plate are respectively connected with two steel box girders on two sides of an expansion joint; the telescopic hinge comprises two hinge rods which are arranged in a cross mode and are hinged to each other in the middle of the telescopic hinge, one end of each hinge rod in the telescopic hinge is hinged to a fixed hinge shaft, the other end of each hinge rod is hinged to a lifting hinge shaft which can be lifted, lifting holes for the lifting hinge shafts to penetrate through and lift are respectively formed in the first movable connecting plate and the second movable connecting plate, the first end plate and the second end plate are C-shaped steel which is arranged oppositely, the bottoms of the first end plate and the second end plate are respectively connected with two steel box girders, the top of the second end plate is slidably inserted into the inner side of the top of the first end plate, the top inner wall of the first end plate is connected with a first sliding plate which is slidably matched with the top outer wall of the second end plate, the top inner wall of the second end plate is connected with a second sliding plate which is slidably matched with the top of the first movable connecting plate and the second movable connecting plate, and the bottom inner wall of the second end plate are respectively connected with a third sliding plate which is slidably matched with the top of the first movable connecting plate and the second movable connecting plate.
2. The modular assembled expansion joint structure for steel box girder bridge according to claim 1, wherein the same fixed hinge shaft or lifting hinge shaft is hinged between the ends of the hinge rods in the adjacent telescopic hinge members.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110208297.0A CN112962443B (en) | 2021-02-24 | 2021-02-24 | Modularized assembled expansion joint structure suitable for steel box girder bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110208297.0A CN112962443B (en) | 2021-02-24 | 2021-02-24 | Modularized assembled expansion joint structure suitable for steel box girder bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112962443A CN112962443A (en) | 2021-06-15 |
| CN112962443B true CN112962443B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110208297.0A Active CN112962443B (en) | 2021-02-24 | 2021-02-24 | Modularized assembled expansion joint structure suitable for steel box girder bridge |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201334642Y (en) * | 2008-12-24 | 2009-10-28 | 徐斌 | Bridge expansion joint device for resisting super vertical angle dislocation |
| CN204475165U (en) * | 2015-02-15 | 2015-07-15 | 谢书合 | A kind of bridge type steel expansion joint limiting structure |
| KR101881578B1 (en) * | 2017-09-18 | 2018-07-24 | 우경기술주식회사 | Bridge comprising monolithic structure of girder and pier and construction method for the same |
| CN108532454A (en) * | 2018-03-15 | 2018-09-14 | 南安市创培电子科技有限公司 | Highway-bridge Expansion Joints construct |
| CN109629408A (en) * | 2019-01-08 | 2019-04-16 | 中冶南方工程技术有限公司 | A kind of Double slit type expansion joint of comb plate |
-
2021
- 2021-02-24 CN CN202110208297.0A patent/CN112962443B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201334642Y (en) * | 2008-12-24 | 2009-10-28 | 徐斌 | Bridge expansion joint device for resisting super vertical angle dislocation |
| CN204475165U (en) * | 2015-02-15 | 2015-07-15 | 谢书合 | A kind of bridge type steel expansion joint limiting structure |
| KR101881578B1 (en) * | 2017-09-18 | 2018-07-24 | 우경기술주식회사 | Bridge comprising monolithic structure of girder and pier and construction method for the same |
| CN108532454A (en) * | 2018-03-15 | 2018-09-14 | 南安市创培电子科技有限公司 | Highway-bridge Expansion Joints construct |
| CN109629408A (en) * | 2019-01-08 | 2019-04-16 | 中冶南方工程技术有限公司 | A kind of Double slit type expansion joint of comb plate |
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| Publication number | Publication date |
|---|---|
| CN112962443A (en) | 2021-06-15 |
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