CN220767688U - Dual-purpose counterforce device capable of being used for fixing expansion joint - Google Patents
Dual-purpose counterforce device capable of being used for fixing expansion joint Download PDFInfo
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- CN220767688U CN220767688U CN202322295764.5U CN202322295764U CN220767688U CN 220767688 U CN220767688 U CN 220767688U CN 202322295764 U CN202322295764 U CN 202322295764U CN 220767688 U CN220767688 U CN 220767688U
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- steel plate
- expansion joint
- surface steel
- jack
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- 229910000831 Steel Inorganic materials 0.000 claims description 59
- 239000010959 steel Substances 0.000 claims description 59
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 description 13
- 238000009434 installation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a dual-purpose counterforce device capable of being used for fixing an expansion joint. The utility model comprises a girder, an expansion joint, a pier, an expansion joint, a support, a dual-purpose counter-force bracket and a jack, wherein the expansion joint is arranged between the two girders, the bottom surface of the girder is supported on the pier, the support is arranged between the girder and the pier, the dual-purpose counter-force bracket is arranged on the bottom surface of the girder and is inserted into the expansion joint between the two girders, the jack is arranged between the dual-purpose counter-force bracket and the pier, and the expansion direction of the jack is parallel to the girder. The utility model can effectively utilize the structural characteristics of the expansion joint and the lower structure of the bridge and the operation space under the beam, and can be used for fixing the bridge expansion joint and also can be used as a counterforce device for pushing and rectifying deviation.
Description
Technical Field
The utility model relates to the technical field of bridge construction facilities, in particular to a dual-purpose counterforce device capable of being used for fixing an expansion joint.
Background
The girder bridge is simple in stress and various in variety, and is the most common bridge type in highway bridges. In the construction and operation processes of the bridge, due to construction defects, asymmetric stacking and overrun of horizontal braking force during operation, the bridge pier sometimes has the phenomenon of deviation, and if the bridge pier is not repaired in time, the bridge pier collapses, the bridge body overturns and the like.
In the process of treating the deviation problem of the bridge pier, the expansion joint between the main beams is usually solidified, and the bridge pier is pushed and corrected by the counter-force device and the jack. Most expansion joints are fixedly connected by adopting a wedge-shaped plate in a traditional mode, the wedge-shaped plate is required to be independently fixed, and a counter-force device is also required to be independently designed and installed, so that the working procedure is complex, the construction period is long, and the construction progress is slow. Therefore, by combining the structural characteristics of the expansion joint and the lower part of the bridge and the operating space under the beam, it is necessary to design a plurality of fixing devices and counterforce devices which are convenient to install.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, solve the problems of complex installation procedure, long construction period and slow construction progress of auxiliary facilities for correction construction operation in the prior art, and provide the dual-purpose counterforce device for fixing the expansion joint, which can effectively utilize the structural characteristics of the expansion joint and the lower part of the bridge and the operating space under the beam, and can be used for fixing the expansion joint of the bridge and also can be used as the counterforce device for pushing correction construction. The dual-purpose counterforce device has the advantages of light structure, simple installation and operation, short construction period, and full utilization of the structural characteristics of the expansion joint and the lower part of the bridge and the effective space under the beam.
The technical scheme for solving the problems is as follows:
the utility model comprises girders, expansion joints and piers, wherein the expansion joints are arranged between the two girders, the bottom surfaces of the girders are supported on the piers, a support is arranged between the girders and the piers, and the bottom surfaces of the girders are supported on the piers through the support.
The utility model also comprises a dual-purpose counter-force bracket and a jack; the dual-purpose counter-force bracket is installed on the bottom surface of the girder of expansion joint downside, and the cartridge is in the expansion joint, the jack is installed dual-purpose counter-force bracket is close to one side of pier with between the side of pier, the flexible direction of jack is on a parallel with the girder.
The dual-purpose counter-force bracket comprises a wedge-shaped plate, a bearing surface steel plate and a bonding surface steel plate; the top of one side of the bearing surface steel plate is vertically connected with the bonding surface steel plate, the jack is arranged between the other side of the bearing surface steel plate and the side surface of the pier, the upper surface of the bonding surface steel plate is fixed on the bottom surface of the main girder through bolt holes by using a bar planting method, and the top end of the bearing surface steel plate is connected with the bottom end of the wedge-shaped plate along the same vertical direction; the wedge plate is perpendicular to the main beam and is inserted into an expansion joint on the main beam.
Preferably, the wedge plate has a lower end dimension greater than an upper end dimension.
Preferably, the upper plate surface of the bonding surface steel plate is flush with the contact surface between the wedge-shaped plate and the bearing surface steel plate.
The dual-purpose counter-force bracket also comprises a stiffening steel plate; the stiffening steel plate is connected to a vertical plane formed by the bonding surface steel plate and the bearing surface steel plate and is respectively and vertically connected with the bonding surface steel plate and the bearing surface steel plate.
Rubber cushion blocks are arranged between the side face of the bearing surface steel plate and the jack and between the jack and the side face of the pier.
The utility model has the beneficial effects that:
the utility model can effectively utilize the structural characteristics of the expansion joint and the lower part of the bridge and the under-beam operation space, can be used for fixing the expansion joint of the bridge and can also be used as a counterforce device for pushing deviation correcting construction, and has the advantages of light structure, simple installation and operation, short construction period and full utilization of the structural characteristics of the expansion joint and the lower part of the bridge and the under-beam effective space.
Drawings
FIG. 1 is a schematic working diagram of a dual-purpose reaction force device for fixing an expansion joint according to an embodiment of the present utility model.
Fig. 2 is a schematic diagram of a dual-purpose counter-force bracket according to an embodiment of the present utility model.
In the figure: 1. the two-purpose counter-force bracket comprises a counter-force bracket body 11, a wedge-shaped plate 12, a bearing surface steel plate 13, a bonding surface steel plate 14, a stiffening steel plate 15, bolt holes 2, main beams 3, expansion joints 4, rubber cushion blocks 5, jacks 6, piers 7 and supporting seats.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and to specific examples.
As shown in fig. 1, this embodiment includes girder 2, expansion joint 3 and pier 6, is provided with expansion joint 3 between two girders 2, and the bottom surface of girder 2 supports on pier 6. The dual-purpose counter-force device comprises a dual-purpose counter-force bracket 1 and a jack 5; the dual-purpose counter-force bracket 1 is installed on the bottom surface of girder 2 of expansion joint 3 downside, and the cartridge is in expansion joint 3, and jack 5 is installed between the side that dual-purpose counter-force bracket 1 is close to pier 6 and the side of pier 6, and the flexible direction of jack 5 is on a parallel with girder 2, is equipped with support 7 between girder 2 and the pier 6, and the bottom surface of girder 2 passes through support 7 to be supported on pier 6.
As shown in fig. 2, the dual-purpose reaction bracket 1 in the implementation comprises a wedge-shaped plate 11, a bearing surface steel plate 12 and a bonding surface steel plate 13; the top of one side of the bearing surface steel plate 12 is vertically connected with the bonding surface steel plate 13, a jack 5 is arranged between the other side and the side surface of the pier 6, the upper surface of the bonding surface steel plate 13 is fixed on the bottom surface of the girder 2 through bolt holes 15 in a bar planting mode, the bolt holes 15 correspond to bar planting positions, and the bar planting positions avoid steel bars on the girder 2.
The bottom of the wedge plate 11 is connected to the top of the bearing surface steel plate 12 along the same vertical direction, and the wedge plate 11, the bearing surface steel plate 12 and the bonding surface steel plate 13 are combined into a T-shaped structure.
Wedge plate 11 and bearing surface steel sheet 12 all perpendicular to girder 2, and wedge plate 11 cartridge in the expansion joint 3 on girder 2 to the displacement of restriction expansion joint 3, wedge plate 11's lower extreme size is greater than the upper end size, and the contact surface parallel and level between the upper plate face of bonding surface steel sheet 13 and wedge plate 11 and the bearing surface steel sheet 12.
The dual-purpose counter-force bracket 1 also comprises a stiffening steel plate 14; the stiffening steel plate 14 is connected to the vertical surface formed by the bonding surface steel plate 13 and the bearing surface steel plate 12, and is respectively connected to the bonding surface steel plate 13 and the bearing surface steel plate 12 vertically, and the stiffening steel plate 14 can strengthen the strength of the dual-purpose reaction bracket 1.
Rubber cushion blocks 4 are arranged between the jack 5 and the steel plate 12 with the bearing surface and between the jack 5 and the side face of the pier 6 to disperse stress, so that the contact area between the jack 5 and the steel plate 12 with the bearing surface is prevented from being too small, the steel plate 12 with the bearing surface is prevented from being damaged, the contact area between the jack 5 and the pier 6 is prevented from being too small, and the concrete of the pier is prevented from being damaged.
The specific steps of construction using this specific embodiment are as follows:
1) Measuring the position of a main bar by using a bar positioner, then forming bolt holes 15, then determining the position of the bar planting and drilling;
2) The wedge plate 11 is placed in the expansion joint 3 between the main beams 2 and is aligned with the bolt holes 15 and the positions of the planted bars; after the wedge plate 11 is placed in the expansion joint 3 between the main beams 2, the displacement of the expansion joint 3 can be limited, and the bridge expansion joint can be fixed;
3) The steel plate 13 with the bonding surface is fixed on the bottom surface of the beam body 2 by the steel bar planting, so that the steel plate 13 with the bonding surface is tightly attached to the bottom surface of the beam body 2;
the concrete embodiment can effectively utilize the structural characteristics of the bridge expansion joint and the lower part structure and the under-beam operation space, and can be used for fixing the bridge expansion joint and also can be used as a counterforce device for pushing and rectifying deviation.
Claims (7)
1. The utility model provides a dual-purpose counter-force device that can be used to expansion joint is fixed, includes girder (2), expansion joint (3) and pier (6), its characterized in that: the dual-purpose counter-force device comprises a dual-purpose counter-force bracket (1) and a jack (5); the dual-purpose counter-force bracket (1) install on the bottom surface of girder (2) of expansion joint (3) downside, and cartridge in expansion joint (3), jack (5) are installed dual-purpose counter-force bracket (1) be close to one side of pier (6) with between the side of pier (6), the flexible direction of jack (5) is on a parallel with girder (2).
2. The dual-purpose reaction force device for fixing an expansion joint according to claim 1, wherein: a support (7) is arranged between the main beam (2) and the bridge pier (6).
3. The dual-purpose reaction force device for fixing an expansion joint according to claim 1, wherein: the dual-purpose counter-force bracket (1) comprises a wedge-shaped plate (11), a bearing surface steel plate (12) and a bonding surface steel plate (13); the top of one side of the bearing surface steel plate (12) is vertically connected with the bonding surface steel plate (13), the jack (5) is arranged between the other side and the side of the bridge pier (6), the upper surface of the bonding surface steel plate (13) is fixed on the bottom surface of the main beam (2) through bolt holes (15) by using a bar planting method, the top end of the bearing surface steel plate (12) is connected with the bottom end of the wedge plate (11) along the same vertical direction, and the wedge plate (11) is vertical to the main beam (2) and is inserted into the expansion joint (3) on the main beam (2).
4. A dual-purpose reaction force device for fixing an expansion joint according to claim 3, wherein: the upper plate surface of the bonding surface steel plate (13) is flush with the contact surface between the wedge-shaped plate (11) and the bearing surface steel plate (12).
5. A dual-purpose reaction force device for fixing an expansion joint according to claim 3, wherein: the lower end size of the wedge-shaped plate (11) is larger than the upper end size.
6. A dual-purpose reaction force device for fixing an expansion joint according to claim 3, wherein: the dual-purpose counter-force bracket (1) also comprises a stiffening steel plate (14); the stiffening steel plate (14) is connected to a vertical plane formed by the bonding surface steel plate (13) and the bearing surface steel plate (12), and is respectively and vertically connected with the bonding surface steel plate (13) and the bearing surface steel plate (12).
7. A dual-purpose reaction force device for fixing an expansion joint according to claim 3, wherein: rubber cushion blocks (4) are arranged between the jack (5) and the side face of the bearing surface steel plate (12) and between the jack (5) and the side face of the bridge pier (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322295764.5U CN220767688U (en) | 2023-08-25 | 2023-08-25 | Dual-purpose counterforce device capable of being used for fixing expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322295764.5U CN220767688U (en) | 2023-08-25 | 2023-08-25 | Dual-purpose counterforce device capable of being used for fixing expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220767688U true CN220767688U (en) | 2024-04-12 |
Family
ID=90599199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322295764.5U Active CN220767688U (en) | 2023-08-25 | 2023-08-25 | Dual-purpose counterforce device capable of being used for fixing expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220767688U (en) |
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2023
- 2023-08-25 CN CN202322295764.5U patent/CN220767688U/en active Active
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