CN113818342A - Temporary device for allowing bridge expansion joint to pass - Google Patents
Temporary device for allowing bridge expansion joint to pass Download PDFInfo
- Publication number
- CN113818342A CN113818342A CN202111192412.6A CN202111192412A CN113818342A CN 113818342 A CN113818342 A CN 113818342A CN 202111192412 A CN202111192412 A CN 202111192412A CN 113818342 A CN113818342 A CN 113818342A
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- CN
- China
- Prior art keywords
- expansion joint
- bridge expansion
- frame body
- temporary device
- bearing
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- 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.)
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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
-
- 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
- E01D19/062—Joints having intermediate beams
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a temporary device for allowing a bridge expansion joint to pass through, and relates to the field of bridge construction. The invention can be quickly paved in the bridge expansion joint structure, thereby saving the construction period and improving the construction efficiency; the whole device can be disassembled and recycled, so that the construction cost is reduced, and the trouble that the filler is difficult to clean in the later period is avoided; can satisfy bridge superstructure's displacement change to a certain extent, can not cause the injury in the interim use bridge.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a temporary device for allowing a bridge expansion joint to pass through.
Background
The bridge expansion joint is used for adjusting displacement and connection between upper structures caused by materials and loads, and is one of necessary structures for ensuring normal operation of the bridge. In the period from the existing bridge deck pavement to the pavement, in order to meet the temporary passing of constructors and transport vehicles, sand bags, gravels and other fillers are often adopted to fill the reserved grooves of the bridge expansion joints. In order to ensure the flatness of paving and the compactness of rolling of the asphalt concrete pavement, before paving the asphalt concrete, the filler in the reserved groove of the bridge expansion joint needs to be cleaned up, the asphalt concrete mixture is filled in the groove during paving and is integrally rolled, and the installation of the bridge expansion joint device is implemented by adopting a form of cutting and reversely excavating the reserved groove after paving the asphalt concrete.
During the period from the bridge deck pavement to the pavement, the following problems exist in the conventional construction process: (1) the construction steps are too complex; (2) the distance between the embedded steel bars is too small, and the fillers such as sand, broken stone and the like are difficult to clean; (3) the sandbags and the reinforcing steel bars are extruded to leak sand under the action of load, and the sand flows into the expansion joints, so that the cleaning difficulty is increased; (4) sandbag, rubble and reinforcing bar are tied into a whole at load effect hypoplastron, are unfavorable for superstructure flexible displacement, cause irreversible injury to the bridge in the interim use.
Disclosure of Invention
Based on the above problems, the present invention provides a temporary device for passing through at an expansion joint of a bridge, which adopts the following technical scheme:
the invention provides a temporary device for passing at a bridge expansion joint, which comprises a bearing frame body which is laid in a bridge expansion joint structure and plays a role in supporting and raising, wherein a base plate which is flush with a road surface is arranged above the bearing frame body.
Furthermore, the bearing frame body comprises a main frame body, a plurality of bearing units are arranged on the main frame body, the top surfaces of the bearing units are abutted to the base plate, and the bottom surfaces of the bearing units are abutted to the bottom of the bridge expansion joint structure groove body.
Furthermore, the main frame body is a frame body in a telescopic or folding structure.
Furthermore, the main frame body is a scissor type telescopic frame body.
Furthermore, the scissor type telescopic frame body comprises a plurality of framework units which are sequentially connected together, each framework unit comprises two framework sheets which are arranged in an X-shaped manner, three hinged hole sites are arranged on each framework sheet, and each hinged hole site is provided with the bearing unit.
Furthermore, a gasket is arranged at each hinge hole position and is positioned between the upper and lower framework pieces.
Furthermore, the bearing unit comprises an upper bearing block and a lower bearing block, the upper bearing block is located above the framework plate, the lower bearing block is located below the framework plate, and the upper bearing block and the lower bearing block are fixed on the hinge hole positions through bolt assemblies.
Further, the number of the upper bearing blocks is at least one.
Further, the number of the lower bearing blocks is at least one.
Furthermore, the upper bearing block and the lower bearing block are high-strength rubber cushion blocks, and the backing plate is a pine board.
Compared with the prior art, the invention has the beneficial technical effects that:
the invention can be quickly paved in the bridge expansion joint structure, thereby saving the construction period and improving the construction efficiency; the whole device can be disassembled and recycled, so that the construction cost is reduced, and the trouble that the filler is difficult to clean in the later period is avoided; can satisfy bridge superstructure's displacement change to a certain extent, can not cause the injury in the interim use bridge.
Drawings
The invention is further illustrated in the following description with reference to the drawings.
FIG. 1 is a schematic top view of a temporary device for allowing passage at a bridge expansion joint according to the present invention;
FIG. 2 is a schematic side view of the temporary device for allowing passage at a bridge expansion joint according to the present invention;
FIG. 3 is an exploded view of the temporary device for allowing passage at a bridge expansion joint according to the present invention;
FIG. 4 is a schematic side view of a load carrier according to an embodiment of the present invention;
FIG. 5 is a schematic top view of a load carrier according to an embodiment of the present invention;
fig. 6 is a sectional view taken along the line a-a in fig. 5.
Fig. 7 is a sectional view taken in the direction B-B in fig. 5.
Description of reference numerals: 1. a bridge expansion joint structure; 2. a bearing frame body; 201. a main frame body; 201-1, a skeleton unit; 201-1-1, skeleton tablet; 201-1-2, hinge hole sites; 202. a load bearing unit; 202-1, an upper bearing block; 202-2, a lower bearing block; 3. a base plate; 4. a gasket; 5. a bolt assembly.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 3, the embodiment discloses a temporary device for passing at a bridge expansion joint, the device mainly includes a bearing frame body 2 and a backing plate 3, the bearing frame body 2 is laid in the bridge expansion joint structure 1 and mainly plays a role of supporting and raising, the backing plate 3 is placed above the bearing frame body 2, and the upper surface of the backing plate 3 is flush with the road surface, so that a vehicle is not likely to generate a large bump when passing through the bridge expansion joint structure.
As a possible implementation manner, as shown in fig. 4, the load-bearing frame body 2 includes a main frame body 201, and the main frame body 201 may be made of a metal material in order to improve the structural strength thereof. The main frame body 201 is provided with a plurality of bearing units 202, the top surfaces of the bearing units 202 are propped against the backing plate 3, and the bottom surfaces of the bearing units 202 are propped against the bottom of the groove body of the bridge expansion joint structure 1.
In order to facilitate the laying of the main frame body 201 in the bridge expansion joint and the later recovery, the main frame body 201 may be provided as a frame body in a telescopic or folding structure. In consideration of the actual situation, the main frame body 201 is also adapted to various vehicle loads, the width dimension of the bridge expansion joint and the distance between the embedded steel bars in the expansion joint, and as a preferable possible implementation manner, in the present embodiment, the main frame body 201 is configured as a scissor-type telescopic frame body.
The scissor-fork type telescopic frame body not only has a telescopic folding function, but also changes the length and the width of the whole frame body by adjusting the angle of the scissor-fork type telescopic frame body, so as to adapt to various loads, the size of an expansion joint and the space between pre-buried reinforcing steel bars, and the main frame body 201 adopts the structural form of the scissor-fork type telescopic frame body, so that the applicability of the main frame body is greatly enhanced.
As a possible implementation manner, as shown in fig. 5 to 7, in this embodiment, the scissor-type telescopic frame includes a plurality of frame units 201-1 connected together in sequence, each frame unit 201-1 includes two frame pieces 201-1-1 arranged in an X-shape, each frame piece 201-1-1 is provided with three hinge holes 201-1-2, and each hinge hole 201-1-2 is provided with a bearing unit 202.
In order to reduce the abrasion of the upper and lower framework pieces 201-1-1 at the hinged hole position 201-1-2, a gasket 4 is arranged at each hinged hole position 201-1-2, and the gasket 4 is positioned between the upper and lower framework pieces 201-1-1. The gasket can be made of metal gasket such as copper, aluminum and the like, or rubber gasket.
The load bearing unit 202 provides support throughout the assembly, and more specifically, the load bearing unit 202 includes an upper load bearing block 202-1 and a lower load bearing block 202-2. The upper bearing block 202-1 is positioned above the skeleton sheet 201-1-1 and is used for supporting the upper cushion plate 3. The lower bearing block 202-2 is positioned below the framework piece 201-1-1, and the bottom surface of the lower bearing block abuts against the bottom of the groove body of the bridge expansion joint structure 1.
The upper bearing block 202-1 and the lower bearing block 202-2 are both provided with mounting holes, and the whole bearing unit 202 can be fixed on the hinge hole 201-1-2 by penetrating the mounting holes on the bearing blocks through the bolt assemblies 5.
The upper bearing block 202-1 and the lower bearing block 202-2 are both high-strength rubber cushion blocks.
In consideration of the difference of actual different bridge expansion joint heights, in order to adapt to the heights of the groove bodies of different bridge expansion joint structures 1, the number of the upper bearing blocks 202-1 and/or the lower bearing blocks 202-2 is at least one, and the number of the upper bearing blocks 202-1 and the lower bearing blocks 202-2 is increased according to the different bridge expansion joint groove body heights. The upper surface of the backing plate 3 is aligned with the road surface as far as possible, so that when a vehicle passes through the bridge expansion joint structure, the vehicle cannot bump greatly, and better convenience is provided for the passing of the vehicle.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (10)
1. A temporary device that is used for bridge expansion joint department to supply current which characterized in that: the bearing support body comprises a bearing support body (2) which is laid in a bridge expansion joint structure (1) and plays a role in supporting and heightening, and a base plate (3) which is flush with the road surface is arranged above the bearing support body (2).
2. A temporary device for providing access at a bridge expansion joint according to claim 1, wherein: the bearing frame body (2) comprises a main frame body (201), a plurality of bearing units (202) are arranged on the main frame body (201), the top surfaces of the bearing units (202) are abutted to the base plate (3), and the bottom surfaces of the bearing units (202) are abutted to the bottom of a groove body of the bridge expansion joint structure (1).
3. A temporary device for providing access at a bridge expansion joint according to claim 2, wherein: the main frame body (201) is a frame body in a telescopic or folding structure.
4. A temporary device for providing access at a bridge expansion joint according to claim 3, wherein: the main frame body (201) is a scissor type telescopic frame body.
5. A temporary device for providing access at a bridge expansion joint according to claim 4, wherein: the scissor type telescopic frame body comprises a plurality of framework units (201-1) which are sequentially connected together, each framework unit (201-1) comprises two framework sheets (201-1-1) which are arranged in an X-shaped letter shape, three hinged hole positions (201-1-2) are arranged on each framework sheet (201-1-1), and the bearing unit (202) is arranged on each hinged hole position (201-1-2).
6. A temporary device for providing access at a bridge expansion joint according to claim 5, wherein: a gasket (4) is arranged at each hinged hole position (201-1-2), and the gasket (4) is positioned between the upper framework piece (201-1-1) and the lower framework piece (201-1-1).
7. The temporary device for providing access at a bridge expansion joint of claim 6, wherein: the bearing unit (202) comprises an upper bearing block (202-1) and a lower bearing block (202-2), the upper bearing block (202-1) is located above the framework piece (201-1-1), the lower bearing block (202-2) is located below the framework piece (201-1-1), and the upper bearing block (202-1) and the lower bearing block (202-2) are fixed on the hinge hole site (201-1-2) through bolt assemblies (5).
8. The temporary device for providing access at a bridge expansion joint of claim 7, wherein: the number of the upper bearing blocks (202-1) is at least one.
9. The temporary device for providing access at a bridge expansion joint of claim 7, wherein: the number of the lower bearing blocks (202-2) is at least one.
10. The temporary device for providing access at a bridge expansion joint of claim 7, wherein: the upper bearing block (202-1) and the lower bearing block (202-2) are both high-strength rubber cushion blocks, and the backing plate (3) is a pine board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111192412.6A CN113818342A (en) | 2021-10-13 | 2021-10-13 | Temporary device for allowing bridge expansion joint to pass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111192412.6A CN113818342A (en) | 2021-10-13 | 2021-10-13 | Temporary device for allowing bridge expansion joint to pass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113818342A true CN113818342A (en) | 2021-12-21 |
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ID=78920329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111192412.6A Pending CN113818342A (en) | 2021-10-13 | 2021-10-13 | Temporary device for allowing bridge expansion joint to pass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113818342A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753244A (en) * | 2022-03-25 | 2022-07-15 | 江苏平山交通设施有限公司 | Interim permanent components of a whole that can function independently festival section assembled modulus telescoping device that changes |
-
2021
- 2021-10-13 CN CN202111192412.6A patent/CN113818342A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753244A (en) * | 2022-03-25 | 2022-07-15 | 江苏平山交通设施有限公司 | Interim permanent components of a whole that can function independently festival section assembled modulus telescoping device that changes |
| CN114753244B (en) * | 2022-03-25 | 2024-01-26 | 江苏平山交通设施有限公司 | Temporary-to-permanent split segment assembly type modulus telescoping device |
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