CN109577247B - A protection breast board mechanism for road bridge engineering - Google Patents
A protection breast board mechanism for road bridge engineering Download PDFInfo
- Publication number
- CN109577247B CN109577247B CN201811498517.2A CN201811498517A CN109577247B CN 109577247 B CN109577247 B CN 109577247B CN 201811498517 A CN201811498517 A CN 201811498517A CN 109577247 B CN109577247 B CN 109577247B
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- Prior art keywords
- base
- groups
- protective
- connecting rods
- buffer
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
- E01F15/145—Means for vehicle stopping using impact energy absorbers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
- E01F15/145—Means for vehicle stopping using impact energy absorbers
- E01F15/146—Means for vehicle stopping using impact energy absorbers fixed arrangements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention provides a guard rail plate mechanism for road and bridge engineering, which comprises a base, a guard net storage cavity and a buffer slide block, wherein the base is provided with a base plate; the rear end face of the base is connected with a group of guardrails through four groups of bottom connecting rods; two adjacent groups of guardrails are connected through a plurality of groups of side connecting rods; two groups of hydraulic buffers are arranged on the inner sides of the lower parts of the base and the guardrails; under normal conditions, the base passes through the bolt with guardrail fixed connection. By arranging the protective net, the vehicle is protected, and the vehicle is prevented from falling from the gap after rushing out of the road surface; the device protects the vehicle through the mode that multistage protection was blocked, prevents that the vehicle from rushing out the road surface and dropping and brews tragic times, improves the security greatly, and the space occupies lessly simultaneously, and low in manufacturing cost is fit for promoting in a large number.
Description
Technical Field
The invention belongs to the technical field of road engineering and traffic facilities, and particularly relates to a protective breast board mechanism for road and bridge engineering.
Background
Along with the development of economy, vehicles are used more and more frequently, roads are built more and more frequently, meanwhile, traffic accidents are more and more frequent, the protective breast board for the road bridge is very important for the bridge deck or the winding road, and the conventional protective breast board is generally fixed on a roadbed by steel plates or pipes for protection.
For example, application No.: CN201210323373.3 a highway guardrail, including guardrail post (1) and the guardrail body (2), install on guardrail post (1) the guardrail body (2), its characterized in that: the guardrail comprises a guardrail body (2) and is characterized in that the guardrail body comprises a protection plate (3) made of elastic plastic, a wave-shaped steel plate (4) and N elastic assembly units which are repeatedly arranged in parallel, the protection plate (3) is attached to the wave-shaped steel plate (4) in a clinging manner, the wave-shaped steel plate (4) is fixedly attached to one side of the N elastic assemblies in a clinging manner in a vertical manner, the other side of the N elastic assemblies is fixed on a guardrail column (1), and an upper cover plate and a lower cover plate are arranged on the top surface and the bottom surface of each elastic assembly respectively. The invention adopts the guard plate (3), the wave-shaped steel plate (4) and the elastic component for multi-layer buffering, can absorb a large amount of impact energy, thereby effectively protecting guardrails, vehicles and personal safety.
Moreover, as another application No.: the invention provides a road guardrail which comprises a vertical column (10), a corrugated guardrail plate (20) and a buffer bracket (30) arranged between the vertical column (10) and the guardrail plate (20), wherein a conical cylinder (11) is sleeved on the outer side of the vertical column (10), and the outer diameter of the conical cylinder (11) is gradually increased from top to bottom; the buffering bracket (30) is sleeved on the outer side of the conical barrel (11) from the upper part of the conical barrel (11); the guardrail plate (20) is fastened on the buffer bracket (30). The highway guardrail provided by the invention provides the buffer structure capable of moving upwards, the connecting parts such as all bolts are removed, the buffer deformation stroke of the highway guardrail is greatly improved, the occurrence of secondary damage is avoided, the structural modification is less, and the installation is convenient.
Based on the retrieval of the two patents and the discovery of equipment in the prior art, when the equipment is applied, the protective fence plates fixed on a roadbed are adopted and the buffer devices are arranged, however, when a large traffic accident occurs actually, generally, the bolt or the weak structure is broken due to the fact that the impact force instantaneously received by the guardrail is too large, tragedy is caused, the buffer devices are additionally arranged on the protective fence plates, the effect of improving the overall strength is very small, the protective measures only comprise one-level protection of the fence plates, and if the situation that the bolt or the weak structure is broken happens, tragedy of car crash must be caused, and the safety needs to be improved.
Disclosure of Invention
In order to solve the technical problems, the invention provides a guard rail plate mechanism for road and bridge engineering, which aims to solve the problems that when a guard rail plate fixed on a roadbed is adopted and a buffer device is arranged, but when a large traffic accident occurs actually, generally, a bolt or a weak structure is broken due to an overlarge instant impact force on the guard rail, so that tragedies are caused, the buffer device added on the guard rail plate has little effect on improving the overall strength, the protection measure only has primary protection of the guard rail plate, and if the bolt or the weak structure is broken, the tragedies of vehicle destruction and human death are caused, and the safety needs to be improved.
The invention is used for the purpose and efficacy of the guard rail plate mechanism of the road bridge engineering, and is achieved by the following specific technical means:
the protective railing plate mechanism for road and bridge engineering comprises a base, a protective net storage cavity, a connecting rod cavity, a protective net, a guardrail, a protective railing, a T-shaped groove, a bottom connecting rod, a T-shaped sliding block, a side connecting rod, an oil pressure buffer and a buffer sliding block; the rear end face of the base is connected with a group of guardrails through four groups of bottom connecting rods; two adjacent groups of guardrails are connected through a plurality of groups of side connecting rods; two groups of hydraulic buffers are arranged on the inner sides of the lower parts of the base and the guardrails; under normal conditions, the base passes through the bolt with guardrail fixed connection.
Further, the inside of the base is divided into the protective net storage cavity and the connecting rod cavity;
furthermore, a group of protective nets are arranged in the protective net storage cavity, and one end of each protective net is fixedly connected with the corresponding guardrail;
furthermore, a plurality of groups of the guard rails are uniformly distributed and fixedly connected on the guard rail; the protective railing is of a double-layer structure with the inner side being made of steel bars and the outer side being made of buffer rubber;
furthermore, two groups of T-shaped grooves are formed in the guardrail and the base, one side of the bottom connecting rod is axially connected with one group of T-shaped sliding blocks, and the T-shaped sliding blocks slide in the T-shaped grooves;
furthermore, every two groups of bottom connecting rods are hinged with each other to form a scissor fork structure;
furthermore, the oil buffer is positioned at the end of the T-shaped groove at one side of the interior of the scissor structure, which is close to the hinge shaft;
furthermore, a group of buffer sliding blocks is fixedly connected to a damping rod of the hydraulic buffer; the buffering sliding block slides in the T-shaped groove;
further, the unfolding length of the side connecting rods is greater than that of the bottom connecting rods when the side connecting rods are unfolded, and the length of the protective net is greater than that of the side connecting rods.
Compared with the prior art, the invention has the following beneficial effects:
the protective railing is of a double-layer structure with the inner side being made of the steel bars and the outer side being made of the buffer rubber, so that good strength can be kept, meanwhile, certain buffering can be performed on an automobile, the contact area is increased, the automobile is protected, and the safety of the automobile is protected to the maximum extent; by arranging the scissor fork mechanism, secondary buffering and protection can be performed when the strength of the connecting bolt is insufficient, meanwhile, the impact force is reduced by arranging the oil buffer, the damage of parts caused by overlarge impact force is prevented, the safety is further improved, and the occupied space is small when the scissor fork mechanism is not used; by connecting the two adjacent groups of guardrails through the foldable side connecting rods, when the shear fork mechanism is damaged by overlarge impact force, the shear fork mechanism can be used as a protective barrier for the second time, and meanwhile, a vehicle is prevented from rushing out of a protective barrier plate from a gap between the two groups of guardrails, so that danger is caused, safety is improved, and meanwhile, the shear fork mechanism is small in occupied space, simple in mechanism and low in manufacturing cost; by arranging the protective net, the vehicle is protected, and the vehicle is prevented from falling from the gap after rushing out of the road surface; the device protects the vehicle through the mode that multistage protection was blocked, prevents that the vehicle from rushing out the road surface and dropping and brews tragic times, improves the security greatly, and the space occupies lessly simultaneously, and low in manufacturing cost is fit for promoting in a large number.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view in the expanded state of the present invention.
Fig. 3 is a schematic structural view in a normal installation state of the present invention.
Fig. 4 is a left side sectional structural schematic view of the present invention.
Fig. 5 is a partially enlarged structural view of the part B in fig. 4 according to the present invention.
Fig. 6 is a schematic cross-sectional structure of the present invention.
Fig. 7 is a schematic view of the present invention at a portion enlarged in fig. 6.
Fig. 8 is a schematic view of the structure of the hydraulic shock absorber of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1-base, 101-protective net storage cavity, 102-connecting rod cavity, 103-protective net, 2-guardrail, 201-protective railing, 202-T-shaped groove, 3-bottom connecting rod, 301-T-shaped sliding block, 4-side connecting rod, 5-oil pressure buffer and 501-buffer sliding block.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like 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 "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 8:
the invention provides a guard rail plate mechanism for road and bridge engineering, which comprises: the protective screening device comprises a base 1, a protective screening storage cavity 101, a connecting rod cavity 102, a protective screening 103, a guardrail 2, a protective railing 201, a T-shaped groove 202, a bottom connecting rod 3, a T-shaped sliding block 301, a side connecting rod 4, a hydraulic buffer 5 and a buffer sliding block 501; the rear end face of the base 1 is connected with a group of guardrails 2 through four groups of bottom connecting rods 3; two adjacent groups of guardrails 2 are connected through a plurality of groups of side connecting rods 4; two sets of oil buffers 5 are arranged on the inner sides of the lower parts of the base 1 and the guardrails 2; under normal conditions, the base 1 is fixedly connected with the guardrail 2 through bolts.
The interior of the base 1 is divided into a protective net storage cavity 101 and a connecting rod cavity 102.
Wherein, a group of protection nets 103 is arranged in the protection net storage cavity 101, and one end of each protection net 103 is fixedly connected with the corresponding protection fence 2.
Wherein, a plurality of groups of guard rails 201 are uniformly arranged and fixedly connected on the guard rail 2; the guard rail 201 is a double-layer structure with the inner side being the reinforcing steel bar and the outer side being the buffer rubber, so that good strength can be kept, meanwhile, certain buffering can be carried out on the automobile, and the contact area is increased to protect the automobile.
Wherein, two sets of T type grooves 202 have all been seted up in guardrail 2 and the base 1, and one side axiality of bottom connecting rod 3 is connected with a set of T type slider 301, and T type slider 301 slides in T type groove 202.
Wherein, every two groups of bottom connecting rods 3 are hinged with each other to form a scissor fork structure.
Wherein, the hydraulic buffer 5 is positioned at the end of the T-shaped groove 202 at one side close to the hinge shaft in the shear fork structure.
Wherein, a group of buffer sliding blocks 501 are fixedly connected to the damping rod of the hydraulic buffer 5; the buffer slide 501 slides in the T-shaped groove 202.
The unfolding length of the side link 4 is longer than that of the bottom link 3, and the length of the protective net 103 is longer than that of the side link 4.
When in use: when a traffic accident occurs, if the vehicle speed is high, the connecting bolt can be broken due to overlarge shearing force applied to the connecting bolt when the vehicle impacts the protective breast board, the base 1 is separated from the guardrail 2, the connecting rod 3 at the lower bottom of the shearing fork is unfolded to unfold the guardrail 2, the T-shaped sliding block 301 impacts the oil pressure buffer 5 when sliding to the extreme end, and the buffering is carried out under the action of the oil pressure buffer 5, so that the phenomenon that other parts are broken due to overlarge impact force is prevented; if the kinetic energy of the vehicle is too large, the vehicle cannot stop and other connecting parts are pulled off, the side connecting rods 4 are unfolded to protect and block the vehicle again, and meanwhile the protective net 103 is pulled out of the protective net storage cavity 101 and unfolded to protect the vehicle.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (1)
1. A rail guard board mechanism for road bridge engineering, its characterized in that: this a protection breast board mechanism for road bridge engineering includes: the protective guard comprises a base (1), a protective guard storage cavity (101), a connecting rod cavity (102), a protective guard (103), a guardrail (2), a protective guard bar (201), a T-shaped groove (202), a bottom connecting rod (3), a T-shaped sliding block (301), a side connecting rod (4), an oil buffer (5) and a buffer sliding block (501); the rear end face of the base (1) is connected with a group of guardrails (2) through four groups of bottom connecting rods (3); two adjacent groups of the guardrails (2) are connected through a plurality of groups of the side connecting rods (4); two groups of hydraulic buffers (5) are arranged on the inner sides of the lower parts of the base (1) and the guardrail (2); in a normal state, the base (1) is fixedly connected with the guardrail (2) through bolts;
the interior of the base (1) is divided into the protective net storage cavity (101) and the connecting rod cavity (102);
a group of protective nets (103) are arranged in the protective net storage cavity (101), and one ends of the protective nets (103) are fixedly connected with the guardrails (2);
a plurality of groups of the guard rails (201) are uniformly distributed and fixedly connected on the guard rail (2); the protective railing (201) is of a double-layer structure, the inner side of the protective railing is a steel bar, and the outer side of the protective railing is made of buffer rubber;
two groups of T-shaped grooves (202) are formed in the guardrail (2) and the base (1), one side of the bottom connecting rod (3) is axially connected with one group of T-shaped sliding blocks (301), and the T-shaped sliding blocks (301) slide in the T-shaped grooves (202);
every two groups of bottom connecting rods (3) are hinged with each other to form a scissor fork structure;
the hydraulic buffer (5) is positioned at the end of the T-shaped groove (202) at one side close to the hinge shaft in the shear fork structure;
a group of buffer sliding blocks (501) are fixedly connected to a damping rod of the hydraulic buffer (5); the buffer sliding block (501) slides in the T-shaped groove (202);
the unfolding length of the side connecting rods (4) is greater than that of the bottom connecting rods (3) when the side connecting rods are unfolded, and the length of the protective net (103) is greater than that of the side connecting rods (4).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011098887.4A CN112227263A (en) | 2018-12-08 | 2018-12-08 | Protection method for traffic accidents |
| CN201811498517.2A CN109577247B (en) | 2018-12-08 | 2018-12-08 | A protection breast board mechanism for road bridge engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811498517.2A CN109577247B (en) | 2018-12-08 | 2018-12-08 | A protection breast board mechanism for road bridge engineering |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011098887.4A Division CN112227263A (en) | 2018-12-08 | 2018-12-08 | Protection method for traffic accidents |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109577247A CN109577247A (en) | 2019-04-05 |
| CN109577247B true CN109577247B (en) | 2020-11-27 |
Family
ID=65929289
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011098887.4A Withdrawn CN112227263A (en) | 2018-12-08 | 2018-12-08 | Protection method for traffic accidents |
| CN201811498517.2A Active CN109577247B (en) | 2018-12-08 | 2018-12-08 | A protection breast board mechanism for road bridge engineering |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011098887.4A Withdrawn CN112227263A (en) | 2018-12-08 | 2018-12-08 | Protection method for traffic accidents |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN112227263A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111705645A (en) * | 2020-06-28 | 2020-09-25 | 王仁强 | Trigger type protective fence for protecting viaduct road |
| CN112211137B (en) * | 2020-09-17 | 2022-03-15 | 浙江海致建设有限公司 | Municipal road anti-collision wall and construction method thereof |
| CN112695678A (en) * | 2020-12-29 | 2021-04-23 | 吴小芬 | Road administration guardrail that can assist buffering vehicle to strike |
| CN112982241B (en) * | 2021-02-27 | 2022-02-15 | 伍洲 | Novel safety protection device for highway engineering management |
| CN113774836B (en) * | 2021-08-31 | 2023-03-31 | 山东职业学院 | Road buffering deceleration safety barrier |
| CN114086823B (en) * | 2021-11-25 | 2023-01-24 | 张国宁 | Edge protection reinforcing device for road and bridge and installation method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100503500B1 (en) * | 2000-11-16 | 2005-07-26 | 김선남 | Apparatus for absorption of impact in vehicle |
| CN203866743U (en) * | 2014-04-23 | 2014-10-08 | 中国人民解放军国防科学技术大学 | Protective net preventing car from falling |
| CN104911412B (en) * | 2015-07-14 | 2016-12-14 | 王文秀 | A kind of road bumper post |
| CN204825642U (en) * | 2015-07-20 | 2015-12-02 | 张艳美 | High factor of safety bridge railing |
| CN205329540U (en) * | 2016-01-07 | 2016-06-22 | 王伟 | Bridge safety type guardrail |
| CN106049316B (en) * | 2016-07-31 | 2019-01-08 | 庄琼玲 | A kind of safety post of the highway turning with pooling feature |
| CN207727475U (en) * | 2018-01-15 | 2018-08-14 | 潘凌云 | A kind of road one-way buffer protective device |
-
2018
- 2018-12-08 CN CN202011098887.4A patent/CN112227263A/en not_active Withdrawn
- 2018-12-08 CN CN201811498517.2A patent/CN109577247B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112227263A (en) | 2021-01-15 |
| CN109577247A (en) | 2019-04-05 |
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Effective date of registration: 20201105 Address after: 325000 No. 268 College West Road, Lucheng District, Zhejiang, Wenzhou Applicant after: Ji Xuhui Address before: 310018 Xiasha Higher Education Zone, Xiasha University, Hangzhou, Zhejiang, Jianggan District Applicant before: Yue Fulian |
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Effective date of registration: 20220106 Address after: 314500 room 221, building 3, No. 299, Hangfu Road, Chongfu Town, Tongxiang City, Jiaxing City, Zhejiang Province Patentee after: Jiaxing huafeipeng Technology Co.,Ltd. Address before: 325000 No. 268 College West Road, Lucheng District, Zhejiang, Wenzhou Patentee before: Ji Xuhui |