CN203174490U - Collision and dropping object prevention constructed facility - Google Patents
Collision and dropping object prevention constructed facility Download PDFInfo
- Publication number
- CN203174490U CN203174490U CN 201320120645 CN201320120645U CN203174490U CN 203174490 U CN203174490 U CN 203174490U CN 201320120645 CN201320120645 CN 201320120645 CN 201320120645 U CN201320120645 U CN 201320120645U CN 203174490 U CN203174490 U CN 203174490U
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- welded
- base plate
- steel beam
- bridge
- top board
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Abstract
The utility model discloses a collision and dropping object prevention constructed facility which comprises guard bars, guard bar supporting pillars, ground rucksacks and a plurality of prefabricated steel beam components which are connected with the ground rucksacks and are arranged in parallel. The prefabricated steel beam components comprise a top plate and a base plate, a plurality of stiffening plates are welded between the top plate and the base plate, and webs are respectively welded on the outer sides of the stiffening plates at the two outermost ends. Two limiting steel plates are welded on the lower portion of the base plate. Positioning steel plates are both welded on the two width sides of the top plate and the base plate. Concrete prefabricated cover plates are arranged between adjacent prefabricated steel beam components. By means of the collision and dropping object prevention constructed facility, the influence on an existing traffic circulation state under a bridge in construction work can be effectively reduced, anchoring and installing are easy, and stability is good. In addition, the concrete prefabricated cover plates can enable the prefabricated steel beam components to form a closely integrated whole, the phenomenon that dropping objects fall off under the bridge can be avoided, construction safety is guaranteed, and meanwhile the passage safety under the bridge is also guaranteed.
Description
Technical field
The utility model relates to a kind of structure facility with crashproof anti-junk, relates in particular at what cross over place, bridge median strip, emphasis structure (railway, highway) top and anti-ly hits anti-fall thing facility.
Background technology
In recent years, development along with the highway in China communications and transportation, the speedway traffic capacity day of building in early days hastens towards saturation, service level reduces gradually, the speedway of part Four-Lane Road can not satisfy the increased requirement of the traffic volume, therefore it is carried out reorganization and expansion, widened by Four-Lane Road and be six-lane or eight tracks, improve its traffic capacity and become the task of top priority.Bridge occupies larger specific gravity in the Modern High-Speed highway, and there is technical sophistication in bridge widening, implements the difficulty height, characteristics big to the present situation traffic impact, so bridge widening is transformed into the emphasis of speedway reconstruction and extension project.
In bridge widening was transformed, ground cloth-wrapper, the anticollision barrier located at existing median strip adopted the mode that existing ground cloth-wrapper, anticollision barrier dismounting are rebuild as its preferred version usually.When bridge was crossed over emphasis structure (railway, highway), the dismounting of its anticollision barrier and ground cloth-wrapper will produce very big influence to the safety of railway current under the bridge, highway.As not adopting accordingly crashproof, safeguard procedures to bring very big influence to the existing traffic circulation situation under the bridge to the bridge place.
In the engineering construction; often have the leap emphasis structure (as railway) of many places; everyly all need arrange crashproof crossing over emphasis structure place; the length of every place protection is essentially more than 30 meter, if adopt the overall pulling down mode, then difficulty of construction is very big; and security protection also is difficult to guarantee; therefore, in order to guarantee the safety of current traffic under the bridge, need take crashproof, safeguard procedures accordingly.
The utility model content
At above-mentioned prior art, the utility model provides a kind of structure facility of crashproof anti-junk, can reduce the influence to the existing traffic under the bridge, and can obviously improve the security protection to emphasis structure under the bridge.
In order to solve the problems of the technologies described above, the technical scheme that the structure facility of a kind of crashproof anti-junk of the utility model is achieved is: comprise guardrail, guardrail pillar, cloth-wrapper and a plurality of pre-manufactured steel beams that are arranged in juxtaposition that are connected with described ground cloth-wrapper, described pre-manufactured steel beam comprises top board and base plate, be welded with a plurality of stiffeners between described top board and the base plate, the outside that is positioned at the stiffener at ragged edge two ends is welded with web respectively, be welded with two spacing steel plates below the described base plate, the width both sides of described top board and base plate all are welded with fixing steel plate; Be provided with concrete prefabricated cover plate between the adjacent pre-manufactured steel beam; Be provided with first coupling assembling between described pre-manufactured steel beam and the ground cloth-wrapper, the side of described guardrail pillar is welded with gripper shoe, is provided with second coupling assembling between described gripper shoe and the top board.
The structure facility of the crashproof anti-junk of the utility model, wherein, described first coupling assembling and second coupling assembling are bolt connection piece.
Compared with prior art, the beneficial effects of the utility model are:
The utility model structure arranges the influence that can effectively reduce in the construction works the existing traffic circulation situation under the bridge, and forms whole pre-manufactured steel beam by welding, not only be easy to anchoring and be easy to install, good stability; In addition, concrete prefabricated cover plate can form the integral body that combine closely with a plurality of pre-manufactured steel beams, can avoid taking place fall phenomenon under bridge of junk, has also guaranteed the current safety under the bridge when having guaranteed construction safety.
Description of drawings
Fig. 1 is the elevational schematic view of the structure facility of a kind of crashproof anti-junk of the utility model;
Fig. 2 is the floor map of the structure facility of crashproof anti-junk shown in Figure 1;
Fig. 3 is A place partial enlarged drawing among Fig. 1;
Fig. 4 is B place partial enlarged drawing among Fig. 1;
Fig. 5 is the elevational schematic view of the beam of pre-manufactured steel shown in Fig. 1;
Fig. 6 is the floor map of pre-manufactured steel beam shown in Figure 5;
Fig. 7 is the local facade enlarged drawing in C place among Fig. 5;
Fig. 8 is the local plane enlarged drawing in C place among Fig. 5.
Among the figure: 1-bridge deck pavement, 2-ground cloth-wrapper, 3-first coupling assembling, the 4-web, 5-second coupling assembling, 6-pre-manufactured steel beam, the concrete prefabricated cover plate of 7-, 8-steel plate, 9-top board, the 10-base plate, 11-stiffener, the spacing steel plate of 12-, the 13-fixing steel plate, the 14-guardrail, 15-fence upright, 16-gripper shoe.
The specific embodiment
Below in conjunction with the specific embodiment the utility model is done to describe in further detail.
As depicted in figs. 1 and 2, the structure facility of a kind of crashproof anti-junk of the utility model, comprise guardrail 14, guardrail pillar 15, cloth-wrapper 2 and a plurality of pre-manufactured steel beams 6 that are arranged in juxtaposition that are connected with described ground cloth-wrapper 2, position shown in 1 is bridge deck pavement among Fig. 1 and Fig. 2.As shown in Figure 5 and Figure 6, described pre-manufactured steel beam 6 is made of the top board 9 that welds together, base plate 10, a plurality of stiffener 11, web 4, spacing steel plate 12 and fixing steel plate 13.Namely this pre-manufactured steel beam comprises top board 9 and base plate 10, be welded with a plurality of stiffeners 11 between described top board 9 and the base plate 10, the outside that is positioned at the stiffener 11 at ragged edge two ends is welded with web 4 respectively, be welded with two spacing steel plates 12 below the described base plate 10, the width both sides of described top board 9 and base plate 10 all are welded with fixing steel plate 13, as shown in Figure 7 and Figure 8; As shown in Figure 2, be provided with concrete prefabricated cover plate 7 between the adjacent pre-manufactured steel beam 6; Be provided with first coupling assembling 3 between described pre-manufactured steel beam 6 and the existing structure ground cloth-wrapper 2, described first coupling assembling 3 is bolt connection piece, and wherein connecting bolt 31 is that connecting bolt is implanted in the back, is provided with in the ground cloth-wrapper and expands bottom outlet 32, as shown in Figure 4; The side of described guardrail pillar 15 is welded with gripper shoe 16, be provided with second coupling assembling 5 between described gripper shoe 16 and the top board 9, as shown in Figure 3 and Figure 4, described second coupling assembling 5 also is bolt connection piece, be preferably in the following one deck steel plate 8 of establishing again of nuts 51 during connection, as shown in Figure 3,52 be locking nut among the figure.
Adopt welding procedure to form integral body between described each steel plate of pre-manufactured steel beam, it can limit the horizontal movement of integral prefabricated girder steel element by spacing steel plate 12, simultaneously by base plate 10 with the connecting bolt of 2 of cloth-wrappers limit it and vertically move; Pre-manufactured steel beam 6 backs are set at each internode place are connected with existing ground cloth-wrapper 2 by first coupling assembling, concrete prefabricated cover plate 7 places between each pre-manufactured steel beam 6, thereby forms anti-fall objects system; In addition, by second coupling assembling 5 top board 9 and fence upright 15 are linked together, thereby form crashproof system.
Embodiment:
The ground cloth-wrapper length that the bridge place arranges is 30m, its height 30cm, its width is 1m, the concrete grade that adopts is C30, the steel plate that the top board of pre-manufactured steel beam adopts thickness to be respectively 20mm and 10mm is welded to form, and the steel plate that the base plate of pre-manufactured steel beam adopts thickness to be respectively 20mm and 10mm is welded to form; Reserve the connecting bolt hole of 40mm * 26mm in the corresponding position of top board and base plate, pass top board and base plate to guarantee connecting bolt, to form anchoring; It is the steel plate of 12mm that web, stiffener, spacing steel plate all adopt thickness; Fixing steel plate adopts the typing square steel of 30mmx30mm; Pre-manufactured steel beam and ground cloth-wrapper adopt to be implanted bolt behind the M24 and is connected anchoring; Pre-manufactured steel beam and corrugated guardrail column adopt the M24 foot bolt fastening.The utility model simple installation, measure are reliable.
Work progress of the present utility model is:
Behind processing top board 9, base plate 10, web 4, stiffener 11, spacing steel plate 12 and the fixing steel plate 13, they are assemblied into pre-manufactured steel beam 6 according to shown position and structure welding.
The fence upright 15 of existing present situation and guardrail 14 are removed, polished to guarantee surfacing after pre-manufactured steel beam 6 is in place, do not have obviously hole groove, damaged.
Demarcate to determine its accurate position at pre-manufactured steel beam 6 on-station position places, existing ground cloth-wrapper 2 is holed, and get out the expansion bottom outlet, adopt hanging device to make pre-manufactured steel beam 6 in place, and implant connecting bolt 31.
Concrete prefabricated cover plate 7 is placed each internode place of pre-manufactured steel beam 6, and adopt mortar to give jointing at the place, slit and fill and lead up, thereby form anti-fall objects system.
The bolt hole place that places top board 9 to reserve fence upright 15, and adopt connecting bolt to be connected, after guardrail is located in the fence upright place, thereby form crashproof system.
Although be described in conjunction with the utility model of figure above; but the utility model is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; under the situation that does not break away from the utility model aim, can also make a lot of distortion, these all belong within the protection of the present utility model.
Claims (2)
1. the structure facility of a crashproof anti-junk, comprise guardrail (14), guardrail pillar (15) and ground cloth-wrapper (2), it is characterized in that, also comprise a plurality of pre-manufactured steel beams (6) that are arranged in juxtaposition that are connected with described ground cloth-wrapper (2), described pre-manufactured steel beam (6) comprises top board (9) and base plate (10), be welded with a plurality of stiffeners (11) between described top board (9) and the base plate (10), the outside that is positioned at the stiffener (11) at ragged edge two ends is welded with web (4) respectively, be welded with two spacing steel plates (12) below the described base plate (10), the width both sides of described top board (9) and base plate (10) all are welded with fixing steel plate (13); Be provided with concrete prefabricated cover plate (7) between the adjacent pre-manufactured steel beam (6); Be provided with first coupling assembling (3) between described pre-manufactured steel beam (6) and the ground cloth-wrapper (2), the side of described guardrail pillar (15) is welded with gripper shoe (16), is provided with second coupling assembling (5) between described gripper shoe (16) and the top board (9).
2. according to the structure facility of the described crashproof anti-junk of claim 1, it is characterized in that described first coupling assembling (3) and second coupling assembling (5) are bolt connection piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320120645 CN203174490U (en) | 2013-03-15 | 2013-03-15 | Collision and dropping object prevention constructed facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320120645 CN203174490U (en) | 2013-03-15 | 2013-03-15 | Collision and dropping object prevention constructed facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203174490U true CN203174490U (en) | 2013-09-04 |
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ID=49071215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320120645 Expired - Lifetime CN203174490U (en) | 2013-03-15 | 2013-03-15 | Collision and dropping object prevention constructed facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203174490U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112458914A (en) * | 2020-11-24 | 2021-03-09 | 中铁武汉勘察设计院有限公司 | Railway-crossing framing bridge protection structure and construction method thereof |
-
2013
- 2013-03-15 CN CN 201320120645 patent/CN203174490U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112458914A (en) * | 2020-11-24 | 2021-03-09 | 中铁武汉勘察设计院有限公司 | Railway-crossing framing bridge protection structure and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130904 |
|
| CX01 | Expiry of patent term |