CN214573320U - Assembled bridge guardrail - Google Patents
Assembled bridge guardrail Download PDFInfo
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- CN214573320U CN214573320U CN202023200258.6U CN202023200258U CN214573320U CN 214573320 U CN214573320 U CN 214573320U CN 202023200258 U CN202023200258 U CN 202023200258U CN 214573320 U CN214573320 U CN 214573320U
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Abstract
The utility model relates to a bridge anticollision barrier technical field, concretely relates to assembled bridge guardrail installs on the bridge floor, include: a plurality of connecting screw rods are arranged in parallel and penetrate through the bridge deck; the connecting column is of a hollow structure and is arranged on the bridge floor through a connecting screw rod, a positioning bolt is arranged in a cavity of the connecting column, the positioning bolt and the connecting column are coaxially arranged, and the positioning bolt extends out of the connecting column from the top of the connecting column; the guardrail body is provided with a connecting sleeve, the connecting sleeve is sleeved on the connecting column, the inner diameter of the connecting sleeve is larger than the outer diameter of the connecting column, and first concrete is poured between the connecting sleeve and the connecting column. At installation bridge railing in-process, only need punch on existing bridge floor can, connecting sleeve's internal diameter is greater than the external diameter of spliced pole simultaneously, and is lower to the hoist and mount required precision of guardrail body, and it is more convenient to install, and the construction is simple, can shorten the construction period who installs bridge railing on existing bridge.
Description
Technical Field
The utility model relates to a bridge anticollision barrier technical field, concretely relates to assembled bridge guardrail.
Background
As a novel bridge concrete guardrail construction process, the prefabricated concrete anti-collision guardrail has the advantages that the traditional construction processes such as factory prefabrication, standardized construction and rapid installation are incomparable, and the interference to underbridge traffic in urban bridge construction can be effectively solved. Has the obvious advantages of high efficiency, energy conservation, environmental protection and the like.
The anticollision barrier of the earlier bridge structures of present construction, because the installation is earlier, the anticollision grade can not satisfy current standard's requirement, need maintain the change. If pour again after demolising the anticollision barrier on the bridge, because cast-in-place structure construction speed is slow, cause the site pollution easily, and existing bridge all is in use, the time limit for a project can be great to the site traffic interference. The fabricated anti-collision guardrail in the prior art needs to pre-embed steel plates or steel tendons on a bridge, is difficult to construct by embedding structural members on the existing bridge deck again, and has longer construction period.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that the assembled anticollision barrier among the prior art can't carry out rapid Assembly at existing bridge to provide an assembled bridge guardrail.
In order to solve the technical problem, the utility model provides an assembled bridge railing installs on the bridge floor, include:
a plurality of connecting screw rods are arranged in parallel and penetrate through the bridge deck;
the connecting column is of a hollow structure and is arranged on the bridge floor through a connecting screw rod, a positioning bolt is arranged in a cavity of the connecting column, the positioning bolt and the connecting column are coaxially arranged, and the positioning bolt extends out of the connecting column from the top of the connecting column;
the guardrail body is provided with a connecting sleeve, the connecting sleeve is sleeved on the connecting column, the inner diameter of the connecting sleeve is larger than the outer diameter of the connecting column, and first concrete is poured between the connecting sleeve and the connecting column.
Optionally, be equipped with the mounting groove on the guardrail body, connecting sleeve is vertical to extend to guardrail body bottom by the mounting groove, and in positioning bolt extended to the mounting groove, install the anchor board in the mounting groove, anchor board and positioning bolt threaded connection.
Optionally, the anchorage plate completely covers the end of the attachment sleeve disposed within the mounting slot.
Optionally, shear teeth are provided on the inner wall of the connecting sleeve and/or on the outer wall of the connecting column.
Optionally, a second concrete is poured within the connecting column.
Optionally, install the slip casting pipe on the guardrail body, in slip casting pipe one end extended to the connecting sleeve, the other end extended to the guardrail body outside.
Optionally, the mounting groove is provided with a cover plate, the cover plate and the mounting groove enclose a closed mounting cavity, and the anchoring plate is arranged in the mounting cavity.
Optionally, a connecting plate is installed at the bottom of the connecting column, and the connecting screw penetrates through the connecting plate and then is connected with the connecting nut in a matching mode.
Optionally, the connecting sleeve is made of metal and embedded in the guardrail body.
Optionally, one side downwardly extending of guardrail body has the locating plate, and the locating plate butts with the bridge floor edge.
The utility model discloses technical scheme has following advantage:
1. the utility model provides an assembled bridge guardrail installs on the bridge floor, include: a plurality of connecting screw rods are arranged in parallel and penetrate through the bridge deck; the connecting column is of a hollow structure and is arranged on the bridge floor through a connecting screw rod, a positioning bolt is arranged in a cavity of the connecting column, the positioning bolt and the connecting column are coaxially arranged, and the positioning bolt extends out of the connecting column from the top of the connecting column; the guardrail body is provided with a connecting sleeve, the connecting sleeve is sleeved on the connecting column, the inner diameter of the connecting sleeve is larger than the outer diameter of the connecting column, and first concrete is poured between the connecting sleeve and the connecting column.
When a bridge guardrail is installed on an existing bridge, after an existing guardrail which is not in line with the existing standard is removed, firstly, an installation hole is drilled in a position to be installed of the bridge guardrail on the bridge floor of the bridge, the connecting screw rods are sequentially inserted into the installation hole, and are matched with the connecting screw rods through the connecting nuts below the bridge to limit the connecting screw rods, so that the connecting screw rods are prevented from being pulled out of the installation hole when being subjected to external force. Fixing a hollow connecting column on the bridge deck through a connecting screw rod, pouring concrete in the connecting column, placing a positioning bolt at the same time, and ensuring that the positioning bolt and the connecting column are both kept vertical. Then hoisting the guardrail body, lowering the connecting sleeve to align with the positioning bolt, adjusting the position of the connecting sleeve to align the connecting sleeve with the connecting column when the connecting sleeve is close to the connecting column, and sleeving the connecting sleeve outside the connecting column. After the connecting sleeve and the connecting column are positioned and installed, pouring first concrete between the connecting sleeve and the connecting column to enable the connecting sleeve and the connecting column to be stably connected. At installation bridge railing in-process, only need punch on existing bridge floor can, simultaneously when hoist and mount guardrail body, make connecting sleeve and many bolt alignment earlier, let connecting sleeve and spliced pole aim at after connecting sleeve is close to the spliced pole again, and connecting sleeve's internal diameter is greater than the external diameter of spliced pole, and it is lower to the hoist and mount required precision of guardrail body, and it is more convenient to install, and the construction is simple, can shorten the construction period who installs bridge railing on having the bridge.
2. The utility model provides an assembled bridge guardrail is equipped with the mounting groove on the guardrail body, and connecting sleeve is by the vertical extension to guardrail body bottom of mounting groove, and in positioning bolt extended to the mounting groove, install the anchor board in the mounting groove, anchor board and positioning bolt threaded connection. Through the cooperation of anchor board and positioning bolt, and then increase the stability of being connected of guardrail body and connecting post.
3. The utility model provides an assembled bridge guardrail installs the slip casting pipe on the guardrail body, and in slip casting pipe one end extended to the connecting sleeve, the other end extended to the guardrail originally externally. Through setting up the slip casting pipe for can utilize the anchor board earlier to cover spliced pole and connecting sleeve's top when the construction, and anchor board and positioning bolt be connected stably the back, utilize the slip casting pipe to pour the second concrete between spliced pole and the connecting sleeve, can increase the closely knit nature of second concrete, increase the reliability of being connected between connecting sleeve and the spliced pole.
4. The utility model provides an assembled bridge guardrail, one side downwardly extending of guardrail body has the locating plate, locating plate and bridge floor edge butt. When hoisting the guardrail body, can be close to the bridge floor edge with the locating plate, when the locating plate removed below the bridge floor, make the locating plate descend along the bridge floor edge, can be with connecting sleeve and spliced pole on same straight line on the width direction of bridge floor. Simultaneously, after the guardrail body is installed, when the guardrail body receives external force, the positioning column is abutted to the edge of the bridge, so that the position of the guardrail body can be restrained, and the stability of the guardrail body is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of an assembled bridge guard rail provided in an embodiment of the present invention.
Fig. 2 is a schematic structural view of the connection screw installed on the bridge according to the embodiment of the present invention.
Fig. 3 is a schematic structural view of the connection column installed on the bridge floor according to the embodiment of the present invention.
Fig. 4 is a schematic structural view of a guardrail body provided in an embodiment of the present invention.
Fig. 5 is a left side view of an assembled bridge railing provided in an embodiment of the present invention.
Description of reference numerals: 1. connecting a screw rod; 2. connecting columns; 3. a guardrail body; 4. positioning the bolt; 5. a connecting plate; 6. a connecting nut; 7. a connecting sleeve; 8. shear teeth; 9. mounting grooves; 10. an anchoring plate; 11. A cover plate; 12. a grouting pipe; 13. a first concrete; 14. positioning a plate; 15. a second concrete; 16. and (5) bridge deck.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Fig. 1 to 5 provide an assembled type bridge guard for the present embodiment, which is installed on a bridge deck 16, and includes: connecting screw 1, spliced pole 2 and guardrail body 3. As shown in fig. 1, a plurality of guardrail bodies 3 are sequentially installed in a length direction of the deck 16 to assemble an integrated bridge guardrail.
As shown in fig. 2 and 3, a plurality of connecting screws 1 are vertically arranged, and the connecting screws 1 are all arranged through the bridge deck 16. The connecting column 2 is of a hollow structure, the connecting column 2 is installed on the bridge floor 16 through the connecting screw rod 1, the positioning bolt 4 is installed in the cavity of the connecting column 2, the positioning bolt 4 and the connecting column 2 are coaxially arranged, and the positioning bolt 4 extends out of the connecting column 2 from the top of the connecting column 2. Second concrete 15 is poured into the connecting column 2, and the lower portion of the positioning bolt 4 is embedded in the second concrete 15. In order to increase the stability of connection between connecting screw 1 and spliced pole 2, connecting plate 5 is all installed at spliced pole 2 bottom and connecting screw 1's top, and connecting plate 5 and spliced pole 2 that install in spliced pole 2 bottom are the integrated into one piece structure. The connecting screw rod 1 penetrates through the connecting plates 5 and then is connected with the connecting nut 6 in a matching mode so as to fix the two connecting plates 5.
As shown in fig. 4 and 5, the guardrail body 3 is provided with a connecting sleeve 7, the connecting sleeve 7 is sleeved on the connecting column 2, the inner diameter of the connecting sleeve 7 is larger than the outer diameter of the connecting column 2, and the inner wall of the connecting sleeve 7 and the outer wall of the connecting column 2 are both provided with shear teeth 8. A first concrete 13 is poured between the connecting sleeve 7 and the connecting column 2. The connecting sleeve 7 is made of metal, in particular steel. When guardrail body 3 prefabrication shaping, arrange connecting sleeve 7 in the mould for connecting sleeve 7 directly inlays in guardrail body 3. The connecting column 2 is a steel hollow column. Be equipped with mounting groove 9 on the guardrail body 3, connecting sleeve 7 is by the vertical 3 bottoms of extending to guardrail body of mounting groove 9, and in positioning bolt 4 extended to mounting groove 9, install anchor board 10 in the mounting groove 9, anchor board 10 and positioning bolt 4 threaded connection. The anchorage plate 10 covers completely the end of the connection sleeve 7 that is located in the mounting groove 9. Install apron 11 on the mounting groove 9, apron 11 encloses into confined installation cavity with mounting groove 9, and anchor board 10 is located in the installation cavity to increase the holistic pleasing to the eye of bridge railing. In order to facilitate pouring of the first concrete 13 between the connecting column 2 and the connecting sleeve 7, a grouting pipe 12 is installed on the guardrail body 3, one end of the grouting pipe 12 extends into the connecting sleeve, and the other end of the grouting pipe extends out of the guardrail body 3. In order to facilitate confirmation of the orientation and mounting position of the guardrail body 3, two connecting sleeves 7 are provided on one guardrail body 3. A positioning plate 14 extends downwards at one side of the guardrail body 3, and the positioning plate 14 is abutted with the edge of a bridge deck 16.
When the assembled bridge guardrail provided by the embodiment is installed on an existing bridge, after the existing guardrail which is not in line with the existing standard is removed, firstly, an installation hole is drilled in the position to be installed of the bridge guardrail on the bridge floor 16 of the bridge, the connecting screw rods 1 are sequentially inserted into the installation hole, the connecting screw rods 1 are matched with the connecting screw rods 1 through the connecting nuts 6 and the connecting plates 5 below the bridge, the connecting screw rods 1 are limited, and the connecting screw rods 1 are prevented from being pulled out of the installation hole when being subjected to external force. After connecting plate 5 and connecting screw 1 on the spliced pole 2 of will hollowing dock, utilize coupling nut 6 and connecting screw 1 cooperation with spliced pole 2 to pass through coupling nut 6, connecting screw 1 and connecting plate 5 and fix to bridge floor 16, pour second concrete 15 and place positioning bolt 4 simultaneously in spliced pole 2 to guarantee that positioning bolt 4 all keeps vertical with spliced pole 2, make positioning bolt 4 vertically buried in second concrete 15 underground. Then hoist guardrail body 3, hoist guardrail body 3 the back for connecting sleeve 7 aligns positioning bolt 4 and descends, when treating connecting sleeve 7 and be close to spliced pole 2, readjusts the position of connecting sleeve 7 again, makes connecting sleeve 7 aim at spliced pole 2, makes connecting sleeve 7 cover establish outside spliced pole 2. After the connecting sleeve 7 and the connecting column 2 are positioned and installed, the anchoring plate 10 is fixed on the connecting bolt through a bolt, and first concrete 13 is poured between the connecting sleeve 7 and the connecting column 2 through a grouting pipe 12 to enable the connecting sleeve 7 and the connecting column 2 to be stably connected. At installation bridge railing in-process, only need punch on existing bridge floor 16 can, simultaneously when hoist and mount guardrail body 3, utilize locating plate 14 and 16 edge location of bridge floor earlier, make connecting sleeve 7 aim at with many bolts, let connecting sleeve 7 aim at with spliced pole 2 after connecting sleeve 7 is close to spliced pole 2 again, and connecting sleeve 7's internal diameter is greater than spliced pole 2's external diameter, it is lower to the hoist and mount required precision of guardrail body 3, it is more convenient to install, the construction is simple, can shorten the construction period of installing bridge railing on existing bridge.
As an alternative embodiment, the connecting sleeve 7 and the guardrail body 3 are both of a concrete structure, and the connecting sleeve 7 and the guardrail body 3 are integrally formed members. The connecting column 2 is a concrete prefabricated component.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. The utility model provides an assembled bridge guardrail which characterized in that installs on the bridge floor, includes:
a plurality of connecting screw rods (1) are arranged in parallel, and the connecting screw rods (1) penetrate through the bridge deck;
the connecting column (2) is of a hollow structure, the connecting column (2) is installed on the bridge floor through the connecting screw rod (1), a positioning bolt (4) is installed in a cavity of the connecting column (2), the positioning bolt (4) and the connecting column (2) are coaxially arranged, and the positioning bolt (4) extends out of the connecting column (2) from the top of the connecting column (2);
guardrail body (3), install connecting sleeve (7) on guardrail body (3), connecting sleeve (7) cover is established on spliced pole (2), just the internal diameter of connecting sleeve (7) is greater than the external diameter of spliced pole (2), connecting sleeve (7) with first concrete (13) have been pour between spliced pole (2).
2. The assembled bridge guardrail of claim 1, wherein the guardrail body (3) is provided with a mounting groove (9), the connecting sleeve (7) vertically extends from the mounting groove (9) to the bottom of the guardrail body (3), the positioning bolt (4) extends into the mounting groove (9), an anchoring plate (10) is mounted in the mounting groove (9), and the anchoring plate (10) is in threaded connection with the positioning bolt (4).
3. Assembled bridge railing according to claim 2, characterised in that the anchorage plate (10) covers completely the end of the connection sleeve (7) located in the mounting groove (9).
4. Assembled bridge girder guard according to any one of claims 1 to 3, characterized in that the connecting sleeve (7) is provided with shear teeth (8) on its inner wall and/or on the outer wall of the connecting column (2).
5. Assembled bridge railing according to claim 4, characterised in that the connecting column (2) is cast with a second concrete (15).
6. The assembled bridge guardrail of claim 5, characterized in that the guardrail body (3) is provided with a grouting pipe (12), one end of the grouting pipe (12) extends into the connecting sleeve, and the other end extends out of the guardrail body (3).
7. An assembled bridge guardrail according to claim 2 or 3, characterized in that a cover plate (11) is mounted on the mounting groove (9), the cover plate (11) and the mounting groove (9) enclose a closed mounting cavity, and the anchoring plate (10) is arranged in the mounting cavity.
8. The assembled bridge guardrail according to any one of claims 1 to 3, wherein a connecting plate (5) is installed at the bottom of the connecting column (2), and the connecting screw (1) penetrates through the connecting plate (5) and then is in fit connection with a connecting nut (6).
9. An assembled bridge guardrail according to any of claims 1-3, characterized in that the connecting sleeve (7) is of metal, the connecting sleeve (7) being embedded in the guardrail body (3).
10. An assembled bridge guardrail according to any one of claims 1 to 3, characterized in that a positioning plate (14) extends downwards from one side of the guardrail body (3), the positioning plate (14) abutting against the deck edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023200258.6U CN214573320U (en) | 2020-12-25 | 2020-12-25 | Assembled bridge guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023200258.6U CN214573320U (en) | 2020-12-25 | 2020-12-25 | Assembled bridge guardrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214573320U true CN214573320U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023200258.6U Active CN214573320U (en) | 2020-12-25 | 2020-12-25 | Assembled bridge guardrail |
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| CN (1) | CN214573320U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523082A (en) * | 2020-12-25 | 2021-03-19 | 北京市市政专业设计院股份公司 | Assembled bridge guardrail |
-
2020
- 2020-12-25 CN CN202023200258.6U patent/CN214573320U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523082A (en) * | 2020-12-25 | 2021-03-19 | 北京市市政专业设计院股份公司 | Assembled bridge guardrail |
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