CN111424587B - Safety driving protection device for highway, bridge or tunnel guardrail - Google Patents
Safety driving protection device for highway, bridge or tunnel guardrail Download PDFInfo
- Publication number
- CN111424587B CN111424587B CN202010297131.6A CN202010297131A CN111424587B CN 111424587 B CN111424587 B CN 111424587B CN 202010297131 A CN202010297131 A CN 202010297131A CN 111424587 B CN111424587 B CN 111424587B
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- Prior art keywords
- guardrail
- cross rod
- curve
- collision plate
- vehicle
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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
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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
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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
- E01F15/145—Means for vehicle stopping using impact energy absorbers
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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
- E01F15/145—Means for vehicle stopping using impact energy absorbers
- E01F15/148—Means for vehicle stopping using impact energy absorbers mobile arrangements
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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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/608—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings for guiding, warning or controlling traffic, e.g. delineator posts or milestones
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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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/615—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings illuminated
-
- 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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/658—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing
- E01F9/669—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for fastening to safety barriers or the like
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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 relates to a safe driving protection device for a highway, bridge or tunnel guardrail, which comprises a cross rod arranged on the outer side of a curve guardrail and extending outwards, wherein the cross rod penetrates through and is connected with an anti-collision plate in a sliding manner along the length direction of the cross rod, a stop block is arranged at one end of the cross rod, which is far away from the curve guardrail, the lower end of the anti-collision plate is connected with an anti-falling net, and one end of the anti-falling net, which is far away from the anti-collision plate, is connected with one end of the cross rod, which is close to the curve guardrail. The anti-falling net is opened in the process that the anti-falling plate moves outwards, and because the impact force in the horizontal direction of the vehicle is buffered by the anti-falling plate, the vehicle which rushes out of the curve falls into the anti-falling net under the condition of self gravity, so that the vehicle can be effectively prevented from falling into a cliff to cause life and property loss.
Description
Technical Field
The invention relates to the technical field of traffic, in particular to a safe driving protection device for a highway, bridge or tunnel guardrail.
Background
At present, with the development of society, traffic is more and more important, but driving safety is a problem which has to be regarded as important, and traffic accidents which occur nationwide each year cause a great amount of casualties and property loss. Meanwhile, due to poor sight line at night, the probability of safety accidents occurring at night is greatly higher than that occurring at daytime, and traffic accidents occur more easily at night in rainy days.
In the prior art, a chinese patent with publication number CN107237282A discloses a safety driving warning device for road, bridge or tunnel guardrails, wherein a set of guardrails is arranged on both sides of a road, bridge or tunnel along the advancing direction of a vehicle, and a set of fixed blocks are arranged on each guardrail side by side along the length direction; the two fixing blocks at the end of each guardrail are respectively provided with a hoop, a white transparent hose penetrates through the inner holes of all the mounting sleeves, the white transparent hose is in clearance fit with the mounting sleeves, and warning glass micro-shells are arranged in the white transparent hoses.
The above prior art solutions have the following drawbacks: although the invention can play a role in dynamic warning by the luminescence of the fluorescent powder, drivers do not observe the curve in time on the road section with limited speed requirement, especially on the curve intersections leaning against the cliff, which easily causes the accidents that the automobile drives the guardrail to rush out of the curve, and the automobile falls down the cliff, etc.
Disclosure of Invention
The invention aims to provide a safe driving protection device for a highway, bridge or tunnel guardrail, which has the advantage of effectively avoiding the accident of falling of an automobile when the automobile rushes out of a curve.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a highway, bridge or tunnel guardrail are with safe driving protector, is including setting up in the bend guardrail outside and the horizontal pole that outwards stretches out, the horizontal pole wears to establish and sliding connection has the crash board along its length direction, the horizontal pole is kept away from the one end of bend guardrail is provided with the dog, the lower extreme of crash board is connected with prevents weighing down the net, prevent weighing down the net and keep away from the one end of crash board with the horizontal pole is close to the one end of bend guardrail links to each other.
By adopting the technical scheme, when the vehicle runs to the position close to the side curve, the driver does not decelerate according to the road safety driving standard, so that the vehicle collides against the guardrail of the curve, when a vehicle impacts the guardrail at a curve, the vehicle impacts the anti-collision plate, the anti-collision plate slides outwards along the length direction of the cross bar under the impact of the vehicle, the impact force of the vehicle is further buffered, thereby reducing the impact force of the vehicle in the horizontal direction, effectively avoiding the vehicle from crashing off the anti-collision plate and rushing down the cliff, in the process, the anti-falling net is opened in the process of outward movement of the anti-collision plate, because the impact force in the horizontal direction of the vehicle is buffered by the anti-collision plate, therefore, the vehicle rushing out of the curve falls into the anti-falling net under the condition of self gravity, so that the vehicle can be effectively prevented from falling into the cliff to cause life and property loss, and the anti-falling net has the advantage of effectively preventing the vehicle from rushing out of the curve to cause a car falling accident.
The present invention in a preferred example may be further configured to: the damping spring is sleeved on the cross rod, and two ends of the damping spring are respectively abutted to the anti-collision plate and the stop block.
By adopting the technical scheme, the damping spring is sleeved on the cross rod, and the vehicle impacts the anti-collision plate, so that the impact force of the vehicle can be further buffered by the damping spring in the process that the anti-collision plate moves along the horizontal direction of the cross rod, and the situation that the vehicle collides with the anti-collision plate and falls off the cliff is avoided.
The present invention in a preferred example may be further configured to: the lower extreme that the horizontal pole is close to bend guardrail one end can be dismantled along the length direction of bend guardrail and be connected with the connecting rod, prevent weighing down the net and keep away from the one end of crashproof board with the connecting rod links to each other.
Through adopting above-mentioned technical scheme, the connecting rod can design according to the camber of bend for the connecting rod links to each other with the connecting rod with the camber looks adaptation of bend, and the one end that keeps away from crashproof board of preventing weighing down the net again, and the connecting rod can be dismantled with the ground of bend guardrail below and be connected, thereby is convenient for fix the one end of keeping away from crashproof board of preventing weighing down the net.
The present invention in a preferred example may be further configured to: the upper end of the anti-collision plate is connected with one side, far away from the bend guardrail, of the cross rod through a first inclined strut, two ends of the first inclined strut are respectively connected with the anti-collision plate and the cross rod in a rotating mode, and the first inclined strut is of a telescopic structure.
Through adopting above-mentioned technical scheme, be provided with first bracing, the vehicle is at the in-process of striking crashproof board, and through first bracing both ends respectively with the rotation of crashproof board and horizontal pole be connected, first bracing shrink, first bracing can provide the support to the upper end of crashproof board to can effectively avoid crashproof board to lack the upper end to support the condition emergence of hanging up the cliff down when being collided and inclined by the vehicle.
The present invention in a preferred example may be further configured to: and torsional springs are arranged at the two ends of the first inclined strut and the rotating connection part of the anti-collision plate and the rotating connection part of the cross rod respectively.
Through adopting above-mentioned technical scheme, the in-process of crashproof board along horizontal pole length direction motion under the vehicle striking through being provided with the torsional spring, has increased first bracing respectively with crashproof board rotation junction and the horizontal pole rotation junction's resistance, can further cushion the impact force of vehicle.
The present invention in a preferred example may be further configured to: the lower end of the cross rod is provided with a second inclined strut, and two ends of the second inclined strut are respectively connected with one end, away from the bend guardrail, of the cross rod and the ground below the cross rod.
Through adopting above-mentioned technical scheme, through being provided with the second bracing, the second bracing can be kept away from the one end of bend guardrail to the horizontal pole and support.
The present invention in a preferred example may be further configured to: keep away from along the driving direction bend guardrail department is provided with the tachymeter, the tachymeter electricity is connected with the controller, the controller in bend guardrail electricity is connected with alarm and marker light, the alarm with marker light all electricity is connected with solar cell panel.
Through adopting above-mentioned technical scheme, along the direction of travel of vehicle, be provided with the tachymeter in bend the place ahead, after the speed that the vehicle went had surpassed bend speed limit speed, the tachymeter is according to the speed that detects, with signal transmission to the controller in to start alarm and marker light through the controller, be used for reminding the driver, alarm and marker light pass through solar cell panel and supply power, green has saved the energy.
The present invention in a preferred example may be further configured to: and a rotary anti-collision barrel is arranged on the bend guardrail.
By adopting the technical scheme, the rotary anti-collision barrel is arranged on the curve guardrail, when a vehicle collides with the rotary anti-collision barrel on the curve guardrail, the rotary anti-collision barrel can convert the impact force of the vehicle collision into rotary kinetic energy, so that the impact force of the vehicle can be greatly absorbed, the impact of the vehicle is effectively reduced, and therefore the first protection is effectively formed at the curve.
In summary, the invention includes at least one of the following beneficial technical effects:
1. when a vehicle runs to a position close to a side curve, a driver does not decelerate according to the road safety driving standard, so that the vehicle collides against a curve guardrail, and after the vehicle collides against the curve guardrail, the vehicle collides with the anti-collision plate, the anti-collision plate slides outwards along the length direction of the cross rod under the impact of the vehicle, and the impact force of the vehicle is further buffered, so that the impact force in the horizontal direction of the vehicle is reduced, and the vehicle is effectively prevented from colliding against the anti-collision plate to bump down a cliff;
2. the damping spring is sleeved on the cross rod, so that the impact force of the vehicle can be further buffered by the damping spring in the process that the vehicle impacts the anti-collision plate and the anti-collision plate moves along the horizontal direction of the cross rod, and the vehicle is prevented from colliding with the anti-collision plate and rushing down a cliff;
3. along the direction of travel of vehicle, be provided with the tachymeter in bend the place ahead, after the speed that the vehicle went had surpassed bend speed limit speed, the tachymeter is according to the speed that detects, with signal transmission to the controller in to start alarm and marker lamp through the controller, be used for reminding the driver, alarm and marker lamp pass through solar cell panel and supply power, green has saved the energy.
Drawings
FIG. 1 is a schematic view of the overall structure of a safety driving guard for a road, bridge or tunnel barrier, showing the frontal structure of a fender;
FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;
FIG. 3 is another schematic view of the overall structure of the safety driving protection device for a road, bridge or tunnel barrier, showing the back structure of the fender;
fig. 4 is a partially enlarged schematic view of a portion B in fig. 3.
In the figure, 1, a curve guardrail; 2. a cross bar; 3. an anti-collision plate; 4. a stopper; 5. the anti-falling net; 6. a damping spring; 7. a connecting rod; 8. a first diagonal brace; 9. a torsion spring; 10. a second diagonal brace; 11. a velocimeter; 12. a controller; 13. an alarm; 14. a clearance lamp; 15. a solar panel; 16. and rotating the anti-collision barrel.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the safety driving protection device for a road, bridge or tunnel guardrail disclosed by the invention comprises an anti-collision tube rotatably connected to a curve guardrail 1, wherein in the embodiment, the anti-collision tube is made of a composite material of EVA and polyurethane, so that the impact force of a vehicle can be greatly buffered. Keep away from bend guardrail 1 department along driving direction on the road and be provided with tachymeter 11, tachymeter 11 electricity is connected with controller 12, controller 12 electricity is connected with alarm 13 and marker light 14 on bend guardrail 1, alarm 13 and marker light 14 all electricity are connected with solar cell panel 15, show the length setting of outline ware along bend guardrail 1, can effectively show outline to bend guardrail 1 to remind the driver.
With reference to fig. 3 and 4, the cross rod 2 extending outwards is arranged on the road surface outside the curve guardrail 1 in a penetrating manner, and one end of the cross rod 2 close to the curve guardrail 1 is poured in the curve road surface. Every horizontal pole 2 wears to establish and sliding connection has an anticollision board 3 along its length direction, and in this embodiment, anticollision board 3 adopts the combined material of EVA and polyurethane for anticollision board 3 is rich in elasticity and anticollision, avoids the vehicle to smash behind the anticollision board 3 and dashes out the cliff, and the one end welding that the bend guardrail 1 was kept away from to horizontal pole 2 has the dog 4 of avoiding anticollision board 3 roll-off horizontal pole 2. The cross rod 2 is sleeved with a damping spring 6 along the length direction, two ends of the damping spring 6 are respectively abutted to the anti-collision plate 3 and the stop block 4, and the damping spring 6 is a high-strength spring and can effectively buffer the impact force of a vehicle.
With reference to fig. 3 and 4, the lower end of the anti-collision plate 3 is connected with an anti-falling net 5, one end of the anti-falling net 5, which is far away from the anti-collision plate 3, is connected with one end of the cross rod 2, which is close to the curve guardrail 1, through a connecting rod 7, and the connecting rod 7 is arranged along the length of the curve guardrail 1 and is connected with the road surface of the curve through a foundation bolt. In this embodiment, the anti-falling net 5 is formed by weaving high-strength nylon ropes and steel wire ropes. 3 upper ends of anticollision board through first bracing 8 with one side that bend guardrail 1 was kept away from to horizontal pole 2 links to each other, the both ends of first bracing 8 respectively with anticollision board 3 with 2 hinged joint of horizontal pole, 8 both ends of first bracing respectively with the hinged joint department of anticollision board 3 and the hinged joint department of horizontal pole 2 all be provided with torsional spring 9, first bracing 8 is extending structure, carries out gliding in-process along horizontal pole 2 at anticollision board 3, and first bracing 8 can freely stretch out and draw back. The lower end of the cross rod 2 is provided with a second inclined strut 10, and two ends of the second inclined strut 10 are respectively welded with one end of the cross rod 2, which is far away from the bend guardrail 1, and are poured with the ground below the cross rod 2.
The implementation principle of the embodiment is as follows: when the vehicle drives along the road direction to the position of an adjacent curve, the vehicle exceeds the limited speed after being detected by the speedometer 11, the speedometer 11 transmits a signal to the controller 12, and the controller 12 controls the alarm 13 and the clearance lamp 14 to be turned on for reminding a driver of decelerating at the position of the curve.
When the vehicle is too fast and does not notice that the curve collides with the curve guardrail 1, the rotary anti-collision barrel 16 on the curve guardrail 1 provides the first buffer for the vehicle, so as to prevent the vehicle from rushing out of the curve guardrail 1 as much as possible; when a vehicle collides with the curve guardrail 1, the vehicle directly collides with the anti-collision plate 3, the anti-collision plate 3 slides outwards along the length direction of the cross rod 2 under the impact of the vehicle, the damping spring 6 sleeved on the cross rod 2 contracts, so that the impact force of the vehicle is buffered for the second time, meanwhile, the anti-falling net 5 is opened in the process that the anti-collision plate 3 moves outwards, the impact force of the vehicle is basically buffered after the vehicle passes through the anti-collision barrel of the curve guardrail 1 and the anti-collision plate 3 for two times of buffering, and the vehicle rushing out of the curve falls into the anti-falling net 5 under the action of self gravity, so that the life and property loss caused by the falling of the vehicle into a cliff is avoided.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (2)
1. The utility model provides a highway, bridge or tunnel guardrail are with safe driving protector which characterized in that: comprises a cross rod (2) which is arranged outside a curve guardrail (1) and extends outwards, wherein the cross rod (2) is penetrated through and is connected with an anti-collision plate (3) in a sliding way along the length direction of the cross rod, one end of the cross rod (2) far away from the curve guardrail (1) is provided with a stop block (4), the lower end of the anti-collision plate (3) is connected with an anti-falling net (5), one end of the anti-falling net (5) far away from the anti-collision plate (3) is connected with one end of the cross rod (2) close to the curve guardrail (1), the cross rod (2) is sleeved with a damping spring (6), two ends of the damping spring (6) are respectively abutted against the anti-collision plate (3) and the stop block (4), the upper end of the anti-collision plate (3) is connected with one side of the cross rod (2) far away from the curve guardrail (1) through a first inclined strut (8), and two ends of the first inclined strut (8) are respectively connected with the anti-collision plate (3) and the cross rod (2) in a rotating way, the first inclined strut (8) is of a telescopic structure, torsion springs (9) are arranged at the rotating connection position of the two ends of the first inclined strut (8) and the anti-collision plate (3) and the rotating connection position of the cross rod (2) respectively, a second inclined strut (10) is arranged at the lower end of the cross rod (2), the two ends of the second inclined strut (10) are connected with one end, far away from the bend guardrail (1), of the cross rod (2) and the ground below the cross rod (2) respectively, and a rotary anti-collision barrel (16) is arranged on the bend guardrail (1);
the lower extreme that horizontal pole (2) are close to bend guardrail (1) one end can be dismantled along the length direction of bend guardrail (1) and be connected with connecting rod (7), prevent weighing down net (5) and keep away from the one end of crashproof board (3) with connecting rod (7) link to each other.
2. A safety-drive guard for road, bridge or tunnel guardrails according to claim 1, wherein: keep away from along the driving direction bend guardrail (1) department is provided with tachymeter (11), tachymeter (11) electricity is connected with controller (12), controller (12) in bend guardrail (1) electricity is connected with alarm (13) and marker light (14), alarm (13) with marker light (14) all electricity is connected with solar cell panel (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010297131.6A CN111424587B (en) | 2020-04-15 | 2020-04-15 | Safety driving protection device for highway, bridge or tunnel guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010297131.6A CN111424587B (en) | 2020-04-15 | 2020-04-15 | Safety driving protection device for highway, bridge or tunnel guardrail |
Publications (2)
| Publication Number | Publication Date |
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| CN111424587A CN111424587A (en) | 2020-07-17 |
| CN111424587B true CN111424587B (en) | 2022-03-04 |
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| CN202010297131.6A Active CN111424587B (en) | 2020-04-15 | 2020-04-15 | Safety driving protection device for highway, bridge or tunnel guardrail |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112281652B (en) * | 2020-10-26 | 2022-11-29 | 西安中交土木科技有限公司 | Guiding device and protective device |
| CN112323683A (en) * | 2020-10-26 | 2021-02-05 | 西安中交土木科技有限公司 | Protective device |
| CN113216051A (en) * | 2021-06-07 | 2021-08-06 | 邱兵 | Highway traffic safety device |
| CN113445410A (en) * | 2021-07-12 | 2021-09-28 | 钟林霖 | Side slope isolating device of building overpass footpath |
| CN113832895A (en) * | 2021-11-04 | 2021-12-24 | 王志坚 | Road and bridge bend device of saving oneself that overturns of protection vehicle safety |
| CN114481916B (en) * | 2022-03-23 | 2023-04-25 | 许昌华杰公路勘察设计有限责任公司 | Buffer structure of mountain area highway bend anticollision barrier |
| CN114657921B (en) * | 2022-05-06 | 2024-02-27 | 安徽路达公路工程有限责任公司 | Protective device for highway tunnel and highway tunnel structure |
| CN115492034B (en) * | 2022-08-25 | 2023-08-08 | 西南交通大学 | Modular assembly type unit for preventing falling and automatically rescuing vehicles on cliff curves |
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| CN207259957U (en) * | 2017-06-16 | 2018-04-20 | 浙江峰邦机械科技有限公司 | A kind of anticollision buffer-type Bridge guardrail |
| CN209082335U (en) * | 2018-11-07 | 2019-07-09 | 河北华鹏建筑安装工程有限公司 | A kind of municipal administration Collison fence for bridge |
| CN110219263A (en) * | 2019-06-21 | 2019-09-10 | 四川同达建设有限公司 | Highway, bridge or tunnel guardrail safe driving alarming device |
| CN110644358A (en) * | 2018-06-27 | 2020-01-03 | 张红英 | Municipal administration is crashproof rail guard for bridge |
| CN210288215U (en) * | 2019-01-25 | 2020-04-10 | 陈远权 | Municipal road and bridge auxiliary device capable of achieving anti-collision protection |
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2020
- 2020-04-15 CN CN202010297131.6A patent/CN111424587B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207259957U (en) * | 2017-06-16 | 2018-04-20 | 浙江峰邦机械科技有限公司 | A kind of anticollision buffer-type Bridge guardrail |
| CN110644358A (en) * | 2018-06-27 | 2020-01-03 | 张红英 | Municipal administration is crashproof rail guard for bridge |
| CN209082335U (en) * | 2018-11-07 | 2019-07-09 | 河北华鹏建筑安装工程有限公司 | A kind of municipal administration Collison fence for bridge |
| CN210288215U (en) * | 2019-01-25 | 2020-04-10 | 陈远权 | Municipal road and bridge auxiliary device capable of achieving anti-collision protection |
| CN110219263A (en) * | 2019-06-21 | 2019-09-10 | 四川同达建设有限公司 | Highway, bridge or tunnel guardrail safe driving alarming device |
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| Publication number | Publication date |
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| CN111424587A (en) | 2020-07-17 |
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