CN217997825U - Anti-overturning device of side box beam with prefabricated anti-collision wall - Google Patents
Anti-overturning device of side box beam with prefabricated anti-collision wall Download PDFInfo
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- CN217997825U CN217997825U CN202220493340.2U CN202220493340U CN217997825U CN 217997825 U CN217997825 U CN 217997825U CN 202220493340 U CN202220493340 U CN 202220493340U CN 217997825 U CN217997825 U CN 217997825U
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- side box
- prefabricated
- pull rod
- overturning device
- box beam
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Abstract
The utility model discloses a limit case roof beam antidumping device with prefabricated crashproof wall, include: the pull rod system penetrates through a flange plate of the side box beam far away from one side of the prefabricated anti-collision wall to pull the side box beam reversely on the bent cap; the pull rod system comprises a flange plate penetrating through a side box beam far away from one side of the prefabricated anti-collision wall, the side box is reversely pulled to form a pull rod on the cover beam, and an adjusting nut is arranged on the upper surface of the flange plate of the side box beam and is arranged on the pull rod. The utility model discloses can prevent to have the limit case roof beam of prefabricated crashproof wall and produce the safe risk of toppling in the installation.
Description
Technical Field
The utility model relates to an assembled bridge building engineering technical field, in particular to antidumping device of limit case roof beam with prefabricated crashproof wall.
Background
In the construction of the assembled bridge, a plurality of groups of box girders are required to be installed on the bent cap, the box girders positioned on two sides of the bent cap are called side box girders, in order to improve construction quality and construction progress, in the field, the cast-in-place anti-collision wall is improved into a prefabricated anti-collision wall and is combined with the side box girders to form a whole as a prefabricated component, then the side box girders and the prefabricated anti-collision wall are integrally hoisted and installed on the bent cap, and the side box girders with the prefabricated anti-collision wall are installed on the bent cap. The side box girder with the prefabricated anti-collision wall is not connected with other box girders when being installed, and because the mass center of the side box girder with the prefabricated anti-collision wall obviously deviates from the structural support axis, the side box girder with the anti-collision wall can not self-balance due to the gravity action of the anti-collision wall, can generate overturning moment and cause the safety risk of the side box girder with the anti-collision wall.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an antidumping device and method of limit case roof beam with prefabricated crashproof wall is provided to the limit case roof beam that solves to take crashproof wall produces the moment of overturning, arouses the problem that the limit case roof beam takes place to overturn because of the dead weight in prefabricated crashproof wall.
In order to solve the technical problem, the utility model provides a technical scheme is: an antidumping device of limit case roof beam with prefabricated crashproof wall includes:
the pull rod system penetrates through a flange plate of the side box beam far away from one side of the prefabricated anti-collision wall to pull the side box beam reversely on the bent cap; the pull rod system is including running through the flange board of keeping away from the limit case roof beam of prefabricated crashproof wall one side will the limit roof beam case is anti-to be drawn the pull rod of setting on the bent cap and is located the flange board upper surface setting of limit case roof beam and be in adjusting nut on the pull rod.
Further, the utility model provides an antidumping device of limit case roof beam with prefabricated crashproof wall, the pull rod system still includes:
the embedded part is embedded in the cover beam;
and the shackle is connected between the embedded part and the pull rod so as to arrange the pull rod on the cover beam.
Further, the utility model provides an antidumping device of limit case roof beam with prefabricated crashproof wall, the built-in fitting is pre-buried steel sheet.
Further, the utility model provides an antidumping device of side case roof beam with prefabricated crashproof wall, the built-in fitting is pre-buried lug.
Further, the utility model provides an antidumping device of limit case roof beam with prefabricated crashproof wall, adjusting nut is two nuts.
Further, the utility model provides an antidumping device of limit case roof beam with prefabricated crashproof wall still includes the gasket that runs through on the pull rod, the gasket is located the upper surface of the flange board of limit case roof beam.
Further, the utility model provides an antidumping device of side case roof beam with prefabricated crashproof wall still includes:
and the support is arranged between the end surface of the cover beam and the lower surface of the flange plate of the side box beam.
Further, the utility model provides an antidumping device of limit case roof beam with prefabricated crashproof wall, the pillar is metal column or non-metal column.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model provides an antidumping device of side case roof beam with prefabricated crashproof wall through the pull rod system with the setting of the side case roof beam is anti-drawing on the bent cap to the action of gravity of balanced crashproof wall makes the side case roof beam that has prefabricated crashproof wall reach balanced state, thereby prevents that the side case roof beam from producing the safe risk of toppling in the installation. Through the anti-overturning device of the side box girder with the prefabricated anti-collision wall, the side box girder can be ensured not to be unstable during construction, and the safety and the stability in the installation process of the side box girder are ensured. The position and the height of the side box girder can be adjusted by changing the position of the adjusting nut, so that the mounting precision of the side box girder is improved.
Drawings
FIG. 1 is a structural schematic view in cross section of an assembled bridge-mounting box beam;
fig. 2 to 3 are schematic structural views of a cross section of the anti-overturning device of the side box girder with the prefabricated impact wall in a use state;
FIG. 4 is a structural schematic diagram of a cross section of a side box beam with a prefabricated impact wall side box beam;
shown in the figure:
100. an assembled bridge;
110. pier studs;
120. a capping beam;
130. the box girder 131, the side box girder 132, the preformed hole 133 and the flange plate;
140. prefabricating an anti-collision wall;
150. a cushion stone;
160. a support;
200. an anti-overturning device;
210. a pull rod;
220. adjusting the nut;
230. a gasket;
240. pre-burying a steel plate 241 and a lifting lug;
250. shackle dismounting;
260. a support post.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings: the advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are not to precise scale, which is only used for the purpose of facilitating and clearly explaining the embodiments of the present invention.
Referring to fig. 1 to 4, an embodiment of the present invention provides an anti-overturning device 200 for a side box girder with a prefabricated anti-collision wall, including:
and a pull rod system for reversely pulling the side sill 131 through the flange plate 133 of the side sill 131 far away from the precast impact wall 140 to be disposed on the capping beam 120. The pull rod system comprises a pull rod 210 which penetrates through the flange plate 133 of the side box beam 131 on the side far away from the precast collision avoidance wall 140 and is used for reversely pulling the side box beam 131 on the cover beam 120, and an adjusting nut 220 which is positioned on the upper surface of the flange plate 133 of the side box beam 131 and is arranged on the pull rod 210. Wherein the fabricated bridge 100 includes piers 110, capping beams 120, box girders 130, and precast impact walls 140, wherein the box girders 130 positioned at both sides of the capping beams 120 are referred to as side box girders 131. The box girder 130 and the side box girder 131 are prefabricated parts of the anti-collision wall 140. When the tie bar 210 penetrates the side box girder 131, a prepared hole 132 is provided in the flange plate 133 of the side box girder 131.
Referring to fig. 2 to 3, in order to eliminate the gap and avoid the problem of loose connection of the adjusting nut 220, the anti-overturning device 200 for a side box girder with a prefabricated crash wall according to an embodiment of the present invention may further include a gasket 230 penetrating the pull rod 210, wherein the gasket 230 is located on the upper surface of the flange plate 133 of the side box girder 131. The gasket 230 may be a flat gasket, an elastic gasket, or a combination of various gaskets.
Referring to fig. 2 to 3, in order to facilitate the assembly and disassembly and reduce the cost, an embodiment of the present invention provides an anti-overturning device 200 for a side box girder with a prefabricated anti-collision wall, the pull rod system may further include:
and the embedded parts are embedded on the cover beam 120. The embedded part can be an embedded steel plate 240 or an embedded lifting lug 241.
And shackles 250 connected between the embedments and the tie bars 210 to dispose the tie bars 210 on the capping beams 120.
The shackles 250 facilitate the connection of the tie rod 210 and the embedded part, and when the anti-overturning device can be disassembled, the tie rod 210, the adjusting nut 220, the gasket 230 and the shackles 250 are recycled by removing the shackles 250, so as to reduce the cost.
It should be noted that the tie rod system is not limited to the above specific structure, and may be other known technical means.
Referring to fig. 2 to 3, in order to improve the reliability of the counter-pulling force, in the anti-overturning device 200 with the side box girder of the prefabricated anti-collision wall according to the embodiment of the present invention, the adjusting nut 220 may be a double nut. Of course, a single nut or a locknut may be used when the conditions are satisfied.
Referring to fig. 2 to 3, in order to reduce the strength of the reverse tension, an anti-overturning device 200 for a side box girder with a prefabricated anti-collision wall according to an embodiment of the present invention may further include:
and a strut 260 supported between the top surface of the end of the capping beam 120 and the lower surface of the flange plate 133 of the sidebox beam 131. The pillars 260 can support the gravity of the prefabricated impact wall 140 and serve as an auxiliary facility of the tie rod system to reduce the structural strength of the tie rod system. The safety risk of the side box girder 131 from overturning can be further prevented. The support 260 may be a metal column such as a steel column or a non-metal column such as a wood column.
Referring to fig. 2 to 3, an anti-overturning method for a side box girder with a prefabricated anti-collision wall according to an embodiment of the present invention includes installing a side box girder 131 with a prefabricated anti-collision wall 140 on a capping beam 120 through a pad 150 and a support 160; the anti-overturning device 200 of the side box girder 131 with the prefabricated impact wall 140 as described above is provided on the side box girder 131 so that the side box girder 131 is reversely drawn on the capping girder 120. The support posts 260 are used as auxiliary supports and can be combined with the reverse pulling of the anti-overturning device 200 to prevent the counter force failure caused by unexpected situations when the anti-overturning device 200 is reversely pulled, thereby further preventing the safety risk of the side box beam 131 with the prefabricated anti-collision wall 140 from overturning.
The utility model provides a limit case roof beam 131 antidumping device 200 and method, through the pull rod system with limit case roof beam 131 reverse pull setting on bent cap 120 to the action of gravity of balanced crashproof wall makes the limit case roof beam 131 that has prefabricated crashproof wall reach balanced state, thereby prevents that limit case roof beam 131 from producing the safe risk of toppling in the installation. Through the anti-overturning device 200 of the side box girder 131, the side box girder 131 can be ensured not to be unstable during construction, and the safety and the stability in the installation process of the side box girder 131 are ensured. The position and height of the side box girder 131 can be adjusted by changing the position of the adjusting nut 220, thereby improving the installation accuracy of the side box girder 131.
Because pillar 260 is inconvenient to set up under conventional construction environment, consequently the utility model provides an antidumping device 200 and method of side box roof beam with prefabricated crashproof wall solves the security, reliability and the stability problem of side box roof beam 131 when unconditionally setting up side box roof beam 131 with crashproof wall under the pillar 260 circumstances (namely prefabricated crashproof wall 140 and side box roof beam 131 as integrative prefabricated component) installation.
The present invention is not limited to the above specific embodiments, and obviously, the above described embodiments are a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention. Other levels of modification and variations of the present invention will occur to those skilled in the art. Thus, if such modifications and variations of the present invention fall within the scope of the claims, then it is intended that the present invention also include such modifications and variations.
Claims (8)
1. The utility model provides an antidumping device of limit case roof beam with prefabricated crashproof wall which characterized in that includes:
the pull rod system penetrates through a flange plate of the side box beam far away from one side of the prefabricated anti-collision wall to pull the side box beam reversely on the bent cap; the pull rod system comprises a flange plate penetrating through a side box beam far away from one side of the prefabricated anti-collision wall, the side box is reversely pulled to form a pull rod on the cover beam, and an adjusting nut is arranged on the upper surface of the flange plate of the side box beam and is arranged on the pull rod.
2. The anti-overturning device for a sidebox beam with prefabricated impact walls according to claim 1, wherein said tie system further comprises:
the embedded part is embedded in the cover beam;
and the shackle is connected between the embedded part and the pull rod so as to arrange the pull rod on the bent cap.
3. The anti-overturning device for the side box beam with the prefabricated anti-collision wall according to claim 2, wherein the embedded part is an embedded steel plate.
4. The anti-overturning device for the side box beam with the prefabricated anti-collision wall according to claim 2, wherein the embedded part is an embedded lifting lug.
5. The anti-overturning device for a side box girder with a prefabricated impact wall according to claim 1, wherein the adjusting nut is a double nut.
6. The anti-overturning device for side box beams with prefabricated anti-collision walls according to claim 1, further comprising a gasket penetrating the pull rod, wherein the gasket is positioned on the upper surface of the flange plate of the side box beam.
7. The anti-overturning device for a sidebox beam with a prefabricated impact wall according to claim 1, further comprising:
and the support is arranged between the top surface of the end of the cover beam and the lower surface of the flange plate of the side box beam.
8. The anti-overturning device for a side box girder with a prefabricated impact wall according to claim 7, wherein the pillars are metal pillars or non-metal pillars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220493340.2U CN217997825U (en) | 2022-03-09 | 2022-03-09 | Anti-overturning device of side box beam with prefabricated anti-collision wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220493340.2U CN217997825U (en) | 2022-03-09 | 2022-03-09 | Anti-overturning device of side box beam with prefabricated anti-collision wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217997825U true CN217997825U (en) | 2022-12-09 |
Family
ID=84286996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220493340.2U Active CN217997825U (en) | 2022-03-09 | 2022-03-09 | Anti-overturning device of side box beam with prefabricated anti-collision wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217997825U (en) |
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2022
- 2022-03-09 CN CN202220493340.2U patent/CN217997825U/en active Active
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