CN202208884U - Lightweight rollover prevention guardrail of bridge - Google Patents
Lightweight rollover prevention guardrail of bridge Download PDFInfo
- Publication number
- CN202208884U CN202208884U CN2011201860717U CN201120186071U CN202208884U CN 202208884 U CN202208884 U CN 202208884U CN 2011201860717 U CN2011201860717 U CN 2011201860717U CN 201120186071 U CN201120186071 U CN 201120186071U CN 202208884 U CN202208884 U CN 202208884U
- Authority
- CN
- China
- Prior art keywords
- guardrail
- bolt
- bridge
- embedded
- lightweight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The utility model discloses a lightweight rollover prevention guardrail of a bridge for a low grade road bridge side at a mountain area, comprising a column, a crossbeam, an obstruction block, a splicing bolt, a connection bolt, a connecting sleeve, a base pre-embedded bolt, a base pre-embedded steel plate, guardrail concrete foundation, a front pre-embedded bolt anchoring plate and a rear pre-embedded bolt anchoring plate, wherein the column, the crossbeam and the obstruction block are connected through the splicing bolt, the connection bolt and the connecting sleeve to form an upper energy-absorbing and rollover prevention structure of the guardrail, the column and the guardrail concrete foundation are connected through the base pre-embedded bolt and the base pre-embedded steel plate, and a pre-embedded bolt anchoring plate is arranged at one end of the base pre-embedded bolt which is embedded in the guardrail concrete foundation. The design of structure lightweight and material lightweight is adopted for the upper part of the lightweight rollover prevention guardrail of the bridge, thus the bridge load is not excessively increased, and the lightweight rollover prevention guardrail of the bridge is suitable for the low grade road middle and small bridges at the mountain area. The lightweight rollover prevention guardrail of the bridge has advantages of concise and generous appearance, good permeability, reasonable structural style, strong protection capability, simple construction of the beam-column-type metal component upper structure and concrete foundation.
Description
Technical field
The utility model relates to a kind of highway with bridge lightweight anti-rollover guardrail, the increase bridge load within reason that particularly a kind of low grade roads in mountainous bridge side is used, prevents the Bridge guardrail of vehicle rollover.
Background technology
Along with the high speed development of highway in China transport development cause, the traffic safety problem highlights day by day, and the accident that vehicle collision bridge side causes vehicle to fall under the bridge happens occasionally, and social influence is very serious.The road bridge side rail rationally is set can prevents that errant vehicle from falling down from the bridge, avoid or reduce the not enough serious accident that causes of the side protective capacities of road and bridge on business, significant for the highway safety operation.China's low grade roads in mountainous bridge side protective equipment famine, the concrete railing of foot bridge widespread usage does not possess protective capacities in the low grade roads in mountainous at present, can not satisfy low-grade highway bridge side protection requirements.Mostly existing metal construction Bridge guardrail form is to be expressway design in the industry standard, and cost is higher, is not suitable for low grade roads in mountainous; Concrete guardrail can significantly increase bridge load on the foot bridge because of its deadweight is bigger in being arranged on, and is unfavorable for safe driving.Therefore, lightweight and the stronger Bridge guardrail of protective capacities that exploitation is applicable to the medium and small bridge circuit section of low grade roads in mountainous is badly in need of in China.
The utility model content
The purpose of the utility model provides a kind of highway with bridge lightweight anti-rollover guardrail; It has simple in structure, protective capacities is strong, steering capability good, construction technology is easy, be easy to maintenance, excessively do not increase characteristics such as bridge load; Can be applied to foot bridge bridge side in the low grade roads in mountainous, prevent that accident vehicle from falling down from the bridge to cause serious life and property loss.
The bridge lightweight anti-rollover guardrail of the utility model is made up of column, gooseneck, hexagon obstruction block, splice bolt, connecting bolt, splicing sleeve, basic pre-embedded bolt, basic pre-embedded steel slab, guardrail concrete foundation, preceding pre-embedded bolt anchor plate, back pre-embedded bolt anchor plate; Its central post, crossbeam, obstruction block couple together through splice bolt, connecting bolt and splicing sleeve and form guardrail top energy-absorbing and rollover prevention structure; Column is connected through basic pre-embedded bolt, basic pre-embedded steel slab with the guardrail concrete foundation, and the end that basic pre-embedded bolt is imbedded the guardrail concrete foundation is provided with the pre-embedded bolt anchor plate.Its central post is the profile iron column, and column top is connected with the hexagon obstruction block through connecting bolt, and the hexagon obstruction block is connected with gooseneck through connecting bolt again, and gooseneck divides three layers, is following on the car direction through splicing sleeve and splice bolt connection.
Structure light wt and the design of material lightweight are adopted in the top of above-mentioned said Bridge guardrail, and structure adopts the post and beam structure, and material adopts steel metal material, the load of foot bridge in the guardrail increase low grade roads in mountainous within reason.
Said Bridge guardrail structure adopts the crossbeam and the obstruction block of different size according to differing heights; To satisfy structure, can effectively protect the low grade roads in mountainous errant vehicle and go out the bridge side accident that falls down from the bridge at the buffering and the requirement of shelter of differing heights to the vehicle diverse location.
Said Bridge guardrail is met and is hit mask good guide function and energy-absorbing effect are arranged, and can prevent that vehicle from passing through, crossing or riding guardrail, can keep the cruising attitude behind the vehicle collision guardrail, phenomenon such as horizontal commentaries on classics does not take place, turn around.
Said Bridge guardrail adopts concrete foundation, and basis instrument pre-embedded bolt and pre-embedded steel slab can satisfy being connected of guardrail concrete foundation and various ways bridge flange plate, are applicable to the guardrail construction of newly-built medium and small bridge circuit section of low grade roads in mountainous and old bridge.
The utility model guardrail simple appearance is generous, and permeability is good, and form of structure is reasonable, protective capacities is strong, and post and beam superstructure and concrete foundation construction technology are easy, are easy to maintenance after the collision.
Description of drawings
Fig. 1 is a kind of positive facade structural representation of the utility model;
Fig. 2 is a kind of plane structure sketch map of the utility model.
The specific embodiment
Combine accompanying drawing that the utility model is further specified at present.
Like Fig. 1, shown in Figure 2, the utility model comprises column 1, crossbeam 2, obstruction block 3, splice bolt 4, connecting bolt 5, splicing sleeve 6, basic pre-embedded bolt 7, basic pre-embedded steel slab 8, guardrail concrete foundation 9, preceding pre-embedded bolt anchor plate 10, back pre-embedded bolt anchor plate 11.
Its central post 1 is connected with obstruction block 3 through connecting bolt 5, and column 1 bottom is connected with guardrail concrete foundation 9 through basic pre-embedded bolt 7, basic pre-embedded steel slab 8; Crossbeam 2 is connected with obstruction block 3 through connecting bolt 5, and crossbeam 2 connects through splice bolt 4 and splicing sleeve 6 on direction of traffic; Above-mentioned member connects the back and forms integral body, becomes guardrail top energy-absorbing and rollover prevention structure.Column 1 and guardrail concrete foundation 9 are connected through basic pre-embedded bolt 7, basic pre-embedded steel slab 8; Basis pre-embedded bolt 7 is provided with the pre-embedded bolt anchor plate in the end of imbedding guardrail concrete foundation 9, and pre-embedded bolt 7 is extracted from concrete foundation 9 when preventing that guardrail is collided power.Wherein preceding pre-embedded bolt anchor plate 10 is arranged on guardrail and meets on the pre-embedded bolt of the face of hitting one side, and back pre-embedded bolt anchor plate 11 is arranged on the non-pre-embedded bolt of meeting the face of hitting one side of guardrail.
Crossbeam 2 adopts different size with obstruction block 3 on different Bridge guardrail height, to satisfy structure at buffering and the requirement of shelter of differing heights to the vehicle diverse location.The basic pre-embedded bolt 7 of Bridge guardrail, basic pre-embedded steel slab 8 and concrete foundation 9 can satisfy being connected of guardrail basis and various ways bridge flange plate.
The utility model goes for the bridge side protection of newly-built medium and small bridge circuit section of low grade roads in mountainous and old bridge circuit section.
Claims (4)
1. a low grade roads in mountainous bridge side is with bridge lightweight anti-rollover guardrail; It is characterized in that: form by column, crossbeam, obstruction block, splice bolt, connecting bolt, splicing sleeve, basic pre-embedded bolt, basic pre-embedded steel slab, guardrail concrete foundation, preceding pre-embedded bolt anchor plate, back pre-embedded bolt anchor plate; Its central post, crossbeam, obstruction block couple together through splice bolt, connecting bolt and splicing sleeve and form guardrail top energy-absorbing and rollover prevention structure; Column is connected through basic pre-embedded bolt, basic pre-embedded steel slab with the guardrail concrete foundation, and the end that basic pre-embedded bolt is imbedded the guardrail concrete foundation is provided with the pre-embedded bolt anchor plate.
2. bridge lightweight anti-rollover guardrail according to claim 1, it is characterized in that: said column is the profile iron column, and top is connected with obstruction block through connecting bolt, and the bottom is connected with the guardrail concrete foundation through basic pre-embedded bolt, basic pre-embedded steel slab.
3. bridge lightweight anti-rollover guardrail according to claim 1, it is characterized in that: said obstruction block is a hexagon, is connected with gooseneck through connecting bolt.
4. bridge lightweight anti-rollover guardrail according to claim 1, it is characterized in that: said gooseneck divides three layers, connects through splicing sleeve and splice bolt following on the car direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201860717U CN202208884U (en) | 2011-06-03 | 2011-06-03 | Lightweight rollover prevention guardrail of bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201860717U CN202208884U (en) | 2011-06-03 | 2011-06-03 | Lightweight rollover prevention guardrail of bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202208884U true CN202208884U (en) | 2012-05-02 |
Family
ID=45988436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201860717U Expired - Fee Related CN202208884U (en) | 2011-06-03 | 2011-06-03 | Lightweight rollover prevention guardrail of bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202208884U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080135A (en) * | 2019-04-26 | 2019-08-02 | 湖北省交通投资集团有限公司 | The anti-inclination guardrail of one kind and method |
| CN110230253A (en) * | 2019-04-15 | 2019-09-13 | 中国公路工程咨询集团有限公司 | A kind of bridge floor built-in fitting basis and its manufacturing method |
| CN111155427A (en) * | 2020-02-29 | 2020-05-15 | 卢秀丽 | Bridge impact buffering safety protective guard |
| CN115263078A (en) * | 2022-09-02 | 2022-11-01 | 包头北方安全防护装备制造有限公司 | Hidden guardrail anti-toppling device, guardrail and assembling method thereof |
-
2011
- 2011-06-03 CN CN2011201860717U patent/CN202208884U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230253A (en) * | 2019-04-15 | 2019-09-13 | 中国公路工程咨询集团有限公司 | A kind of bridge floor built-in fitting basis and its manufacturing method |
| CN110080135A (en) * | 2019-04-26 | 2019-08-02 | 湖北省交通投资集团有限公司 | The anti-inclination guardrail of one kind and method |
| CN111155427A (en) * | 2020-02-29 | 2020-05-15 | 卢秀丽 | Bridge impact buffering safety protective guard |
| CN111155427B (en) * | 2020-02-29 | 2021-05-14 | 腾盛桥工科技(重庆)有限公司 | Bridge impact buffering safety protective guard |
| CN115263078A (en) * | 2022-09-02 | 2022-11-01 | 包头北方安全防护装备制造有限公司 | Hidden guardrail anti-toppling device, guardrail and assembling method thereof |
| CN115263078B (en) * | 2022-09-02 | 2024-04-02 | 包头北方安全防护装备制造有限公司 | Concealed guardrail anti-toppling device, guardrail and assembly method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202208884U (en) | Lightweight rollover prevention guardrail of bridge | |
| CN106149539B (en) | The dual-purpose bridge staggered floor main beam section construction of highway-railway | |
| CN202730573U (en) | Emergency lane | |
| CN201843106U (en) | Cushion pad capable of guiding | |
| CN107044095A (en) | A kind of highway anti-collision guardrail | |
| KR100723027B1 (en) | A guard rail | |
| CN201390937Y (en) | Road crash barrier | |
| CN100590268C (en) | Drop-prevention stayed cable and anchorage system capable of being used for high road or bridge | |
| CN209760022U (en) | Highway bridge rail guard | |
| CN201891068U (en) | U-shaped prestressed concrete continuous beam bridge | |
| CN111455803A (en) | Rain-shielding type river-crossing bridge with high safety performance | |
| CN203716084U (en) | Safe highway guardrail with buffer structure | |
| CN202007382U (en) | Novel wedge-shaped butt strap | |
| CN204435266U (en) | A kind of new road Collison fence for bridge | |
| CN207017154U (en) | A kind of bridge wall type anti-collision guardrail | |
| CN201043260Y (en) | Highroad bridge anti-collision guardrail especially used for container car lane | |
| CN204491463U (en) | A kind of novel road divider wall | |
| CN201952761U (en) | Anti-collision guardrail | |
| CN214033518U (en) | Pier protective structure suitable for upright pier of central separation zone of highway | |
| CN2599061Y (en) | Road traffic height-limiting warning device | |
| CN2823319Y (en) | Detachable sign rod for highway | |
| CN208701546U (en) | A kind of novel gantry height-limiting frame | |
| CN203613458U (en) | Transformation structure for concrete barrier for highway bridge | |
| CN210194494U (en) | Assembled road hard shoulder structure with shock attenuation power consumption effect | |
| CN202369955U (en) | Collision-prevention device for middle pier of highway overpass bridge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120502 Termination date: 20130603 |