CN217078474U - Interim guardrail reinforcing apparatus of bridge for enlargement project - Google Patents
Interim guardrail reinforcing apparatus of bridge for enlargement project Download PDFInfo
- Publication number
- CN217078474U CN217078474U CN202220228846.0U CN202220228846U CN217078474U CN 217078474 U CN217078474 U CN 217078474U CN 202220228846 U CN202220228846 U CN 202220228846U CN 217078474 U CN217078474 U CN 217078474U
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- bridge
- guardrail
- temporary
- guardrails
- interim
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Abstract
The utility model provides an extension engineering is with interim guardrail reinforcing apparatus of bridge, interim guardrail, back connecting piece and guardrail strengthening mechanism including bridge edge portion, interim guardrail is connected with the back connecting piece, guardrail strengthening mechanism includes back support and anchor bolt, back support is fixed on the bridge floor with anchor bolt, the top of interim guardrail is equipped with the slant recess, slant recess inside callipers is equipped with triangle-shaped protection frame, the bottom of protection frame blocks the top of establishing at two adjacent interim guardrails respectively, provides the guard action when increasing interim guardrail connection stability, the side of protection frame is equipped with a plurality of couples. The utility model is used for reform and expand old bridge of engineering and trade board, new and old bridge concatenation construction, demolish original guardrail after old bridge, at the interim new jersey guardrail of bridge side-mounting to support with the back and consolidate new jersey guardrail, when preventing that the current vehicle of highway from offeing new jersey guardrail, cause serious incident to take place.
Description
Technical Field
The utility model relates to a bridge engineering construction technical field, concretely relates to interim guardrail reinforcing apparatus of bridge for enlargement engineering.
Background
The bridge crossing positions are generally rivers, ditches, roads, railways and the like, in the expansion construction of the highway bridge, when the bridge is spliced or an old bridge is subjected to plate replacement, an outer guard fence of the old bridge needs to be detached, but the highway vehicles still run, and temporary new Jersey guard fences arranged on the edge of the bridge are only longitudinally connected, so that the vehicles cannot be effectively protected, and serious safety accidents are easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides an extension engineering is with interim guardrail reinforcing apparatus of bridge has solved the old bridge of bridge and has traded board or bridge concatenation during construction highway vehicle safety protection level low, can't form above-mentioned multinomial defect such as effective protection.
The technical scheme of the utility model is that: a bridge temporary guardrail reinforcing device for an extension project comprises temporary guardrails at the edge parts of a bridge, a back connecting piece and a guardrail reinforcing mechanism, wherein when the bridge is widened, the temporary guardrails are temporary anti-collision facilities which are arranged at the edge parts of the bridge after old bridge permanent guardrails are removed, the temporary guardrails are connected by the back connecting piece after being installed, the guardrail reinforcing mechanism comprises a back support and anchoring bolts, the guardrail reinforcing mechanism is arranged at the back parts of the temporary guardrails, a plurality of anchoring bolt holes are arranged on the back support, the back support is fixed on the bridge floor by the anchoring bolts, the top parts of the temporary guardrails are provided with oblique grooves, triangular protective frames are clamped in the oblique grooves, the bottom parts of the protective frames are respectively clamped at the top parts of two adjacent temporary guardrails, the protective action is provided while the connection stability of the temporary guardrails is increased, and the side surfaces of the protective frames are provided with a plurality of hooks, the protective net is convenient to erect.
And in addition, the distance between the temporary guardrail and the outer side marking line of the lane is more than 50 cm.
The scheme is further that the back support comprises a top plate, a bottom plate, side plates and stiffening plates, the side plates are arranged close to the back of the temporary guardrail, the top plate and the bottom plate are respectively arranged at the top and the bottom of the side plates, and the stiffening plates are arranged between the top plate and the bottom plate.
In a further aspect of the present invention, the stiffener is a triangular structure.
Further, the bottom plate is provided with 6 anchoring bolt holes.
The scheme is further that the anchor bolt is installed in the bridge deck in a bar planting mode, and a gasket is arranged between the bottom plate and the nut when the back support is installed.
The scheme is further that the back connecting piece comprises a connecting plate and a fixing bolt, wherein the connecting plate spans the two temporary guardrails and is fixed through the fixing bolt.
Further, the back connecting pieces are at least two in the height direction of the temporary guardrails.
The utility model has the advantages that: the utility model is used for during highway extension construction old bridge trades board or new and old bridge concatenation construction, on the bottom bridge floor in the interim new jersey guardrail outside of old bridge limit portion, adopt behind the bar planting mode installation anchor bolt pole, the installation back supports, makes the back support hug closely with the new jersey guardrail, screws up behind installation gasket and the nut, strengthens new jersey guardrail steadiness, guarantees highway driving safety.
Drawings
Fig. 1 is a cross-sectional view of a schematic structural view of a temporary bridge guardrail reinforcing device for extension work of the present invention;
FIG. 2 is a side view of a schematic structural view of a temporary bridge railing reinforcing device for an extension project of the present invention;
fig. 3 is a schematic view of a back support structure of the temporary bridge guardrail reinforcing device for the extension project of the present invention;
fig. 4 is a schematic structural view of an anchor bolt rod of the temporary bridge guardrail reinforcing device for the extension project of the present invention;
wherein: 1. bridge, 2, temporary guardrail, 3, back connecting piece, 4, back support, 4-1, top plate, 4-2, bottom plate, 4-3, side plate, 4-4, stiffening plate, 5, anchoring bolt rod, 6, anchoring bolt hole, 7, gasket, 8, nut, 9, protective frame, 10 and hook.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which a person skilled in the art can, without any creative effort, fully implement the present invention.
As shown in fig. 1 to 4, the uncovered structure of the present invention is schematically illustrated, and the specific implementation manner thereof is: a bridge temporary guardrail reinforcing device for an extension project comprises temporary guardrails 2 at the edge parts of a bridge 1, back connecting pieces 3 and a guardrail reinforcing mechanism, wherein when the bridge 1 is widened, the temporary guardrails 2 are temporary anti-collision facilities which are arranged at the edge parts of the bridge 1 after old bridge permanent guardrails are dismantled, the temporary guardrails 2 are connected by the back connecting pieces 3 after being installed, the guardrail reinforcing mechanism comprises back supports 4 and anchoring bolts, the guardrail reinforcing mechanism is arranged at the back parts of the temporary guardrails 2, a plurality of anchoring bolt holes 6 are arranged on the back supports 4, the back supports 4 are fixed on a bridge floor by the anchoring bolts, oblique grooves are arranged at the top parts of the temporary guardrails 2, triangular protective frames 9 are clamped in the oblique grooves, the bottoms of the protective frames 9 are respectively clamped at the top parts of two adjacent temporary guardrails 2, and a protective effect is provided while the connection stability of the temporary guardrails 2 is increased, the side of the protection frame 9 is provided with a plurality of hooks 10, so that a protection net can be conveniently erected.
Further, the temporary guard bar 2 is more than 50cm away from the outer marking of the traffic lane.
Further, the back support 4 comprises a top plate 4-1, a bottom plate 4-2, side plates 4-3 and stiffening plates 4-4, the back support is made of steel plates with the thickness of 6mm through cutting and welding after the steel plates are cut to the corresponding size, the side plates 4-3 of the back support 4 are close to the back of the temporary guardrails 2, all the single temporary guardrails 2 are 4m in length, the back support 4 is arranged at intervals of 2m, the top plate 4-1 and the bottom plate 4-2 are respectively arranged at the top and the bottom of the side plates 4-3, the stiffening plates 4-4 are arranged between the top plate 4-1 and the bottom plate 4-2, and the stiffening plates 4-4 are of triangular structures.
Further, the bottom plate 4-2 is provided with 6 anchor bolt holes 6.
Further, the anchor bolt comprises an anchor bolt rod 5 and a nut 8, the anchor bolt rod is installed in the bridge deck in a bar planting mode and is screwed and fixed through the nut 8, and a gasket 7 is arranged between the bottom plate 4-2 and the nut 8 when the back support 4 is installed.
Further, the back connector 3 includes a connecting plate that spans the two temporary guard rails 2 and is fixed by fixing bolts, and fixing bolts.
Further, the back connecting pieces 3 are at least two in the height direction of the temporary guardrails 2, so that the connection stability of the guardrails is enhanced.
The utility model discloses in using, at the interim guardrail back in new jersey, beat according to the position of the anchor keyhole 6 of back support 4 and establish on the bridge floor and plant the muscle hole after, install anchor shank 5, install back support 4 again, utilize gasket 7 and nut 8 to support 4 with the back and fix at the interim guardrail back in new jersey, rethread couple 10 installation protection network.
While the preferred embodiments of the present invention have been described, it is to be understood that the invention is not limited to the precise embodiments described, and that equipment and structures not described in detail are understood to be practiced as commonly known in the art; any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention will still fall within the protection scope of the technical solution of the present invention by those skilled in the art without departing from the technical solution of the present invention.
Claims (6)
1. A bridge temporary guardrail reinforcing device for an extension project is characterized by comprising temporary guardrails at the edge parts of a bridge, a back connecting piece and a guardrail reinforcing mechanism, wherein when the bridge is widened, the temporary guardrails are temporary anti-collision facilities which are arranged at the edge parts of the bridge after old bridge permanent guardrails are dismantled, the temporary guardrails are connected by the back connecting piece after being installed, the guardrail reinforcing mechanism comprises a back support and an anchoring bolt, the guardrail reinforcing mechanism is arranged at the back parts of the temporary guardrails, a plurality of anchoring bolt holes are formed in the back support, the anchoring bolt for the back support is fixed on the bridge floor, oblique grooves are formed in the top parts of the temporary guardrails, triangular protective frames are clamped in the oblique grooves, the bottom parts of the protective frames are respectively clamped at the top parts of two adjacent temporary guardrails, the protective effect is provided while the connection stability of the temporary guardrails is increased, the side of protection frame is equipped with a plurality of couples, conveniently erects the protection network.
2. The device for reinforcing the temporary guardrail of the bridge for the extension project, according to claim 1, is characterized in that the distance between the temporary guardrail and the outer side marking of the traffic lane is more than 50 cm.
3. The device for reinforcing the temporary guardrail of the bridge for the extension project, according to claim 1, is characterized in that the back support comprises a top plate, a bottom plate, side plates and stiffening plates, the side plates are arranged close to the back of the temporary guardrail, the top plate and the bottom plate are respectively arranged at the top and the bottom of the side plates, and the stiffening plates are arranged between the top plate and the bottom plate.
4. The device for reinforcing the temporary guardrail of the bridge for the extension project as claimed in claim 1, wherein the anchor bolt is installed in the bridge deck by using a bar planting method, and a gasket is arranged between the bottom plate and the nut when the back support is installed.
5. The device for reinforcing a temporary bridge guardrail for an extension project, according to claim 1, wherein the back connecting piece comprises a connecting plate and a fixing bolt, the connecting plate spans two temporary guardrails and is fixed by the fixing bolt.
6. A temporary guard rail reinforcement for a bridge for an extension project according to claim 1, wherein at least two back connectors are provided along a height direction of the temporary guard rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220228846.0U CN217078474U (en) | 2022-01-27 | 2022-01-27 | Interim guardrail reinforcing apparatus of bridge for enlargement project |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220228846.0U CN217078474U (en) | 2022-01-27 | 2022-01-27 | Interim guardrail reinforcing apparatus of bridge for enlargement project |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217078474U true CN217078474U (en) | 2022-07-29 |
Family
ID=82542027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220228846.0U Active CN217078474U (en) | 2022-01-27 | 2022-01-27 | Interim guardrail reinforcing apparatus of bridge for enlargement project |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217078474U (en) |
-
2022
- 2022-01-27 CN CN202220228846.0U patent/CN217078474U/en active Active
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