CN107815993B - V-shaped road traffic safety guardrail - Google Patents
V-shaped road traffic safety guardrail Download PDFInfo
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- CN107815993B CN107815993B CN201711291738.8A CN201711291738A CN107815993B CN 107815993 B CN107815993 B CN 107815993B CN 201711291738 A CN201711291738 A CN 201711291738A CN 107815993 B CN107815993 B CN 107815993B
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- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 10
- 229920002635 polyurethane Polymers 0.000 claims description 8
- 239000004814 polyurethane Substances 0.000 claims description 8
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- 239000005083 Zinc sulfide Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
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- 229910052984 zinc sulfide Inorganic materials 0.000 description 2
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 2
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- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
-
- 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
- E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
- E01F15/0407—Metal rails
- E01F15/0415—Metal rails with pivoting members
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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
- E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
- E01F15/0461—Supports, e.g. posts
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a V-shaped road traffic safety guardrail, and belongs to the technical field of traffic protection equipment. The novel multifunctional rail comprises rails, wherein each rail is formed by connecting a plurality of rail bodies, and two adjacent rail bodies form a V-shaped included angle. According to the invention, the design thought of the existing safety guardrail is changed, the rails are shortened, and the adjacent two rail bodies are connected by the elastic rotating parts and form a V shape, so that the connection strength between the rails and the upright posts is high, the vehicles can be ensured not to cross the guardrail even if the vehicles collide, the installation process is simplified, the rails can be installed by only one to two persons, and the number of operators is small; in addition, the road traffic guardrail is more convenient to install, the installation time of the traffic guardrail can be greatly shortened in the engineering construction process, and the guarantee is provided for the timely use of roads.
Description
Technical Field
The invention belongs to the technical field of traffic protection equipment, and particularly relates to a V-shaped road traffic safety guardrail capable of absorbing impact force, which can be arranged in the center of a road, at the edge of the road or at a turning position.
Background
Vehicles are increasingly being used by people as a convenient vehicle. In China, the general speed limit of urban roads is 40 km/h, the general speed per hour of ordinary roads is 40-80 km/h, the general speed per hour of highways is 60-120 km/h, therefore, traffic accidents in urban areas are mostly rear-end collision accidents, on ordinary roads or highways, due to the fact that the vehicle speed is too fast, the traffic accidents frequently occur, the most serious vehicles running at high speed collide with guardrails at roadsides or in the middle of roads, the guardrails are formed by concrete brickwork or concrete blocks arranged at intervals and rails connected with adjacent blocks, or are formed by connecting rails of steel structures with upright posts, the vehicles possibly bounce back directly, and secondary injuries are extremely easy to cause.
According to the traffic accident, through searching, china patent application number 201080000561.1, application publication date 2013, 7 months and 24 days, a road impact absorbing facility is disclosed, which comprises a support column, a rotary support tube, a plurality of buffer roller components, a safety guide rail, a first rotary interception plate and a second rotary interception plate, wherein the first rotary interception plate and the second rotary interception plate are arranged at the center of a road, the road side, a cross road turning point, a tunnel or underground roadway entrance, a bridge pier and a bridge head railing, and the bridge head railing are also arranged at the entrance and the exit of a highway. The utility model provides a China patent application number is 201020568343.5, the application publication is 2012 1 month 18 days, a traffic guardrail of interval ground connection formula area rotator is disclosed, including the stand, the elastic rotator of cover on the stand sets up respectively in the top of elastic rotator and the last rail of below and lower rail, the cover is established on the stand and is set up the rotatory receiver between lower rail and the elastic rotator, the stand is including long stand and the short stand that set up in turn, long stand downwardly extending forms the installation landing part to lower rail below, the both ends of short stand are connected with last rail and lower rail respectively. No matter which structure is, the length of the rail is long, so that a plurality of operators are required to work simultaneously in order to ensure the level of the rail and the sleeving of the elastic rotating body, the installation is time-consuming and labor-consuming, the engineering progress of the guardrail is affected, and the timely use of the road is further affected.
Disclosure of Invention
1. Problems to be solved
Aiming at the problem of inconvenient installation caused by long rail length of the existing guardrail, the invention provides the V-shaped road traffic safety guardrail, which shortens the rail length, can complete the rail installation by only one to two people, reduces the number of operators, is convenient and quick to install, and effectively ensures that the traffic guardrail is put into use in time.
2. Technical proposal
In order to solve the problems, the invention adopts the following technical scheme.
The V-shaped road traffic safety guardrail comprises a rail, wherein the rail is formed by connecting a plurality of rail bodies, and two adjacent rail bodies form a V-shaped included angle.
In one possible implementation mode of the invention, the novel rail comprises a vertical column and an elastic rotating component, wherein the rail body is provided with two end parts, one end of the rail body is sleeved on the vertical column, the other end of the rail body is rotationally combined with the elastic rotating component, and two adjacent rail bodies are connected by the elastic rotating component and form a V-shaped included angle.
In one possible embodiment of the invention, the upright has a tubular configuration and is installed upright at the road side, center or turn at constant intervals; the elastic rotating component comprises an elastic rotating body and a rotating shaft, and the elastic rotating body and the rotating shaft are of an integrated structure.
In a possible embodiment of the invention, the distance between the columns is 2-2.5 m and the angle of the v-shaped included angle is 120-150 °.
In one possible implementation mode of the invention, the elastic rotating body is integrated or split, an annular groove is arranged on the surface of the elastic rotating body along the circumferential direction, and a luminous belt is adhered in the groove; or the surface of the elastic rotating body is compounded with a luminous coating which is integrated with the elastic rotating body, thereby being beneficial to reminding an automobile driver of paying attention to road conditions and ensuring safe driving.
In one possible embodiment of the present invention, the elastic rotating body is made by adding a fluorescent material to one of EVA (ethylene vinyl acetate) and a flexible polyurethane material so as to emit light at night.
In one possible embodiment of the invention, the elastic rotating body is cylindrical in shape.
In one possible embodiment of the present invention, the elastic rotating body is in a shape of a cone, and the taper is 3-5 °.
In one possible implementation mode of the invention, the upright post is provided with the end cover, the lower end of the end cover is provided with the screw thread, the corresponding upright post is internally provided with the screw thread, after the fastener is fixed, the end cover is screwed on, the end cover is fixed firmly and does not need welding, thus being beneficial to preventing water from entering the upright post and improving the corrosion resistance.
In one possible implementation mode of the invention, the upright posts extend downwards to the lower part of the transverse rail and form a mounting landing part, the mounting landing part is connected with a base, and positioning holes are formed in the base, so that the safety barrier can be mounted on the concrete ground.
3. Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the V-shaped road traffic safety guardrail, the design thought of the existing safety guardrail is changed, the rails are shortened, the two adjacent rail bodies are connected by the elastic rotating parts to form a V shape, the connection strength between the rails and the upright posts is high, the vehicles can be ensured not to cross the guardrail even if the vehicles collide, meanwhile, the installation process is simplified, the rails can be installed by only one to two persons, and the number of operators is small; in addition, the road traffic guardrail is more convenient to install, the installation time of the traffic guardrail can be greatly shortened in the engineering construction process, and the guarantee is provided for the timely use of the road;
(2) The V-shaped road traffic safety guardrail has the advantages that the elastic rotating body and the rotating shaft form an integrated structure, the rotating shaft is combined with the rotating shaft in a rotating way relative to the transverse rail, the diameter of the rotating shaft is smaller, the corresponding elastic rotating body is smaller in diameter, the material consumption is less, the production cost is reduced, in addition, under the condition of being impacted by the load of a vehicle, the V-shaped road traffic safety guardrail can well absorb the impact energy, plays the roles of buffering, stabilizing and guiding the vehicle, reduces the collision rebound risk, avoids sideslip and rollover in the collision process of the vehicle, and effectively improves the safety of personnel in the vehicle;
(3) The V-shaped road traffic safety guardrail is characterized in that the upright post is provided with the end cover, the end cover is not required to be welded and fixed, and the end cover can be firmly covered at the upper end of the upright post, so that water inflow in the upright post is prevented, the anti-corrosion performance of the upright post is improved, and the service life of the upright post is prolonged;
(4) The V-shaped road traffic safety guardrail is characterized in that the elastic rotating body is made of ethylene-vinyl acetate or flexible polyurethane, EVA or flexible polyurethane has excellent elasticity, is not easy to crack, has good outdoor ageing resistance, can withstand wind and sun, and has long service life;
(5) The surface of the elastic rotating body of the V-shaped road traffic safety guardrail is provided with the luminous belt or the luminous coating is compounded on the surface of the elastic rotating body, so that the V-shaped road traffic safety guardrail is beneficial to reminding an automobile driver of paying attention to road conditions and ensuring safe driving;
(6) The V-shaped road traffic safety guardrail can be pre-buried in the concrete ground through the upright posts, is more convenient to install and is firm to fix; meanwhile, the concrete floor can be installed on the concrete floor through the base;
(7) The invention has simple structure, reasonable design and easy manufacture.
Drawings
Fig. 1 is a schematic perspective view of a V-shaped road traffic safety barrier according to embodiment 1 of the present invention;
FIG. 2 is a side view of the V-shaped traffic safety barrier of embodiment 1 of the present invention;
FIG. 3 is a top view of the V-shaped traffic safety barrier of embodiment 1 of the present invention;
fig. 4 is a schematic perspective view of a V-shaped traffic safety barrier according to embodiment 2 of the present invention;
FIG. 5 is a side view of the V-shaped traffic safety barrier of embodiment 2 of the present invention;
fig. 6 is a plan view of the V-shaped traffic safety barrier according to embodiment 2 of the present invention.
In the figure: 100. a column; 110. a base; 120. an end cap; 200. an elastic rotating member; 210. an elastic rotating body; 211. an annular groove; 212. a light-emitting strip; 220. a rotating shaft; 300. a rail; 310. a rail body.
Detailed Description
The following detailed description of exemplary embodiments of the invention refers to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration exemplary embodiments in which the invention may be practiced. While these exemplary embodiments are described in sufficient detail to enable those skilled in the art to practice the invention, it is to be understood that other embodiments may be realized and that various changes to the invention may be made without departing from the spirit and scope of the invention. The following more detailed description of the embodiments of the invention is not intended to limit the scope of the invention, as claimed, but is merely illustrative and not limiting of the invention's features and characteristics in order to set forth the best mode of carrying out the invention and to sufficiently enable those skilled in the art to practice the invention. Accordingly, the scope of the invention is limited only by the attached claims.
The following detailed description and example embodiments of the invention may be better understood when read in conjunction with the accompanying drawings, in which elements and features of the invention are identified by reference numerals.
Example 1
As shown in fig. 1 to 3, the V-shaped road traffic safety barrier of the present invention comprises a column 100, an elastic rotating member 200 and a rail 300, wherein the rail 300 is formed by connecting a plurality of rail bodies 310, the rail bodies 310 have two ends, one end of which is sleeved on the column 100, the other end of which is rotatably combined with the elastic rotating member 200, and the adjacent two rail bodies 310 are connected by the elastic rotating member 200 and form a V-shaped included angle.
The inventor shortens the rail by a great deal of experiments and structural improvement design, two rail bodies 310 are arranged between two adjacent upright posts 100, and the two rail bodies 310 are connected by an elastic rotating part 200 and form a V-shaped included angle. The long rail in the prior art is replaced by the rail formed by the multi-section rail body, the overall strength of the rail is reduced, and the instant impact force is larger when the vehicle is impacted, so that the inventor designs the angle of the V-shaped included angle to be 120-150 degrees, the elastic rotating part 200 protrudes out of the plane where the upright posts 100 are positioned, and meanwhile, the distance between the upright posts is set to be 2-2.5 m. In addition, it should be noted that the connection strength between the rail 300 and the upright posts 100 is not reduced, because the impact force can be decomposed into the acting forces of the rail bodies 310 at the two sides when the vehicle is impacted, and the acting forces are respectively transmitted to the upright posts at the two sides, so that the vehicle can be ensured not to cross the guardrails even if the vehicle is impacted, the installation process is simplified, the rail can be installed by only one or two persons, and the number of operators is small; in addition, the road traffic guardrail is more convenient to install, the installation time of the traffic guardrail can be greatly shortened in the engineering construction process, and the guarantee is provided for the timely use of roads.
In fig. 1, the pillar 100 has a tubular configuration and is installed upright at a side, center or turn of a road at constant intervals; the constant interval is determined according to national road guardrail standards, for example, the distance between the upright posts of the road guardrail is 2.5m-3m; the elastic rotating member 200 includes an elastic rotating body 210 and a rotating shaft 220, the elastic rotating body 210 is shaped as a cylinder, the elastic rotating body 210 has a through hole penetrating the elastic rotating body 210 from an upper portion to a bottom portion thereof, and the rotating shaft 220 is inserted into the through hole of the elastic rotating body 210 and forms an integrated structure, i.e., the rotating shaft 220 rotates or stands simultaneously with the elastic rotating body 210.
Because the national road guardrail standard forcibly prescribes that the diameter of the upright post is 140mm, the existing elastic rotating body is rotatably installed around the upright post 100, so that if the through hole of the elastic rotating body 210 is matched with the upright post, the through hole is slightly more than or equal to 140mm, the overall outer diameter of the elastic rotating body is necessarily increased, the volume of the corresponding elastic rotating body is increased, the manufacturing difficulty of the elastic rotating body is increased, and meanwhile, the manufacturing cost is increased. In addition, the two ends of the rotating shaft 220 can be sleeved with bearings, and the end of the rail body 310 is provided with a mounting hole, so that the rail body can rotate more freely.
The elastic rotating body 210 and the rotating shaft 220 form an integrated structure, the rotating shaft 220 is combined with the transverse rail body 310 in a rotating way, the diameter of the rotating shaft 220 is smaller, the diameter of the corresponding elastic rotating body 210 is smaller, compared with the existing safety guardrail, the material consumption of the elastic rotating body 210 is reduced, the production cost is reduced, in addition, under the condition of being impacted by a vehicle load, the elastic rotating body can well absorb impact energy, plays the roles of buffering, stabilizing and guiding the vehicle, reduces the collision rebound risk, avoids sideslip and rollover in the collision process of the vehicle, and effectively improves the safety of personnel in the vehicle.
The safety barrier is arranged on the side of an outdoor road, and is blown by wind and sun, so that the water inflow in the upright post 100 is prevented, the anti-corrosion performance is improved, the upright post 100 is provided with the end cover 120, the lower end of the end cover 120 is provided with threads, the corresponding upright post 100 is internally provided with threads, after a fastener is fixed, the end cover 120 is screwed on, the end cover 120 is firmly fixed, welding is not needed, and the installation is convenient.
The elastic rotator 210 of the present invention is made of one of ethylene-vinyl acetate and flexible polyurethane, and EVA or flexible polyurethane has excellent elasticity, is not easily broken, has good anti-aging property outdoors, is resistant to wind and sun exposure, and has long service life.
The elastic rotator 210 is made of a mixture of vinyl acetate, hot melt adhesive (EVA) and polyurethane, has strong elasticity, and is not easily broken. Since the elastic rotator 210 has excellent elastic and force restoring forces, when the automobile collides with the elastic rotator 210, the collision force of the automobile is effectively absorbed by the elastic rotator to be reduced, and at the same time, the elastic rotator can be prevented from being crashed due to collision. The guardrail can effectively prevent the automobile from crossing the middle line to enter the opposite lane to collide or fly out of the lane, so that the automobile can be kept to run in the correct lane; on the other hand, the collision force of the automobile striking guardrail can be reduced, meanwhile, under the action of the collision force of the automobile, the elastic rotating body 210 rotates by taking the upright post 100 as the center, so that the automobile is guided to gradually adjust the direction, and is positioned on a correct lane, the automobile or roadside on an adjacent lane is prevented from being collided again, the hazard degree of accidents is greatly reduced, casualties are reduced, and property loss is reduced.
Specifically, the impact of the vehicle transmitted to the safety barrier collision of the present invention is reflected on the test result, and is basically naturally absorbed by the collision deformation of the elastic rotating body 210, but even if the impact is relatively strong, the impact generated when the vehicle collides is absorbed and counteracted by the tensile deformation rail 300 together with the elastic rotating body 210, so that the impact generated when the vehicle collides is absorbed and counteracted more effectively structurally, and not only the vehicle is protected, but also the vehicle is effectively prevented from being separated from the road.
The elastic rotating body 210 is integrated or split, an annular groove 211 is arranged on the surface of the elastic rotating body 210 along the circumferential direction, and a luminous belt 212 is adhered in the groove; or the surface of the elastic rotating body 210 is compounded with a luminous coating which is integrated with the elastic rotating body 210, thereby being beneficial to reminding an automobile driver of paying attention to road conditions and ensuring safe driving. To facilitate light emission at night, a fluorescent material may be further added to EVA (ethylene vinyl acetate) and a flexible polyurethane material, and then the elastic rotator 210 may be manufactured.
The luminescent coating layer is one of a fluorescent coating layer capable of making a substance emit light when light is projected on the substance, a phosphorescent coating layer capable of keeping a luminescent state even when light is withdrawn, or a luminescent coating layer capable of making electrons of the substance constituting the phosphor recover to a ground state from an excited state through a metastable state when the phosphor receives light, and can be used as a luminescent coating material by adding heavy metals to sulfide of alkaline earth metals or zinc sulfide or adding trace amounts of radium to copper-containing zinc sulfide.
On both sides of the expressway, the pillars 100 may be directly buried in the roadbed; or stand 100 downwardly extends to the below of rail 300 and forms a mounting landing part, which is connected with base 110, and holes are set on base 110, so that the safety barrier can be mounted on the concrete floor.
Example 2
As shown in fig. 4 to 6, the V-shaped road traffic safety barrier of the present invention comprises a pillar 100, an elastic rotating member 200 and a rail 300, wherein the rail 300 has two ends, one end of which is sleeved on the pillar 100, the other end of which is rotatably combined with the elastic rotating member 200, and two adjacent rails 300 are connected by the elastic rotating member 200 and form a V-shape; the upright 100 has a tubular configuration and is vertically installed at the side of the road at constant intervals; the elastic rotating member 200 includes an elastic rotating body 210 and a rotating shaft 220, the elastic rotating body 210 is shaped as a cone, the upper part is large and the lower part is small, the taper can be in the range of 3-5 degrees, the optimal value is 5 degrees, the elastic rotating body 210 is provided with a through hole penetrating the elastic rotating body 210 from the upper part to the bottom, and the rotating shaft 220 is inserted into the through hole of the elastic rotating body 210 and forms an integrated structure.
The outer contour of the cone-shaped elastic rotating body 210 is linearly changed in the vertical direction, so that the requirements of vehicles with different heights can be met, the cars correspondingly collide with the middle part of the elastic rotating body 210, and the trucks correspondingly collide with the upper part of the elastic rotating body 210, thereby saving the material of the elastic rotating body 210.
The road traffic safety barrier of the present invention has been described in detail by way of example only, and these examples are provided only for the purpose of illustrating the principles of the present invention and its embodiments, and not limitation, and various modifications and improvements may be made by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, all equivalent arrangements should be considered to be within the scope of the present invention and as defined in the claims.
Claims (6)
1. The V-shaped road traffic safety guardrail comprises a rail (300), and is characterized in that the rail (300) is formed by connecting a plurality of rail bodies (310), and two adjacent rail bodies (310) form a V-shaped included angle;
Also comprises a stand column (100) and an elastic rotating component (200), wherein the rail body (310) is provided with two end parts, one end part of the rail body is sleeved on the stand column (100), the other end is rotationally combined with an elastic rotating component (200), and two adjacent rail bodies (310) are connected by the elastic rotating component (200) and form a V-shaped included angle;
The pillar (100) has a tubular configuration and is installed upright at a road side, center or turn at constant intervals; the elastic rotating component (200) comprises an elastic rotating body (210) and a rotating shaft (220), and the elastic rotating body (210) and the rotating shaft (220) are of an integrated structure;
The distance between the upright posts (100) is 2-2.5 m, and the angle of the V-shaped included angle is 120-150 degrees;
The elastic rotating body (210) is made by adding a fluorescent material to one of an ethylene-vinyl acetate and a flexible polyurethane material.
2. The V-shaped traffic safety barrier according to claim 1, wherein the elastic rotating body (210) is integrated or separated, and an annular groove (211) is provided on the surface of the elastic rotating body (210) along the circumferential direction, and a light-emitting strip (212) is adhered in the groove.
3. The V-shaped road traffic safety barrier according to claim 2, wherein the elastic rotator (210) is in the shape of a cylinder.
4. A V-shaped road traffic safety barrier according to claim 3, characterized in that the elastic rotation body (210) is in the shape of a cone, the upper part of which is large and the lower part of which is small, the taper being 3-5 °.
5. The V-shaped road traffic safety barrier according to any one of claims 1 to 4, wherein the upright (100) is provided with an end cap (120), the lower end of the end cap (120) is provided with a thread, and the corresponding upright (100) is internally provided with a thread.
6. The V-shaped traffic safety barrier according to any one of claims 1 to 4, wherein the upright (100) extends downward below the rail (300) and forms a mounting landing part, the mounting landing part is connected with a base (110), and positioning holes are formed in the base (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711291738.8A CN107815993B (en) | 2017-12-08 | 2017-12-08 | V-shaped road traffic safety guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711291738.8A CN107815993B (en) | 2017-12-08 | 2017-12-08 | V-shaped road traffic safety guardrail |
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| Publication Number | Publication Date |
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| CN107815993A CN107815993A (en) | 2018-03-20 |
| CN107815993B true CN107815993B (en) | 2024-05-07 |
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| CN201711291738.8A Active CN107815993B (en) | 2017-12-08 | 2017-12-08 | V-shaped road traffic safety guardrail |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109183612B (en) * | 2018-08-20 | 2020-03-31 | 国诚集团有限公司 | Bridge safety device |
| CN111593690B (en) * | 2020-05-21 | 2021-07-20 | 浙江机电职业技术学院 | Buffering formula highway rail guard |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010093122A2 (en) * | 2009-02-10 | 2010-08-19 | 주식회사 금성산업 | Shock-absorbing installation for roadway |
| CN203625811U (en) * | 2013-11-28 | 2014-06-04 | 衢州市交通设施有限责任公司 | Rotating type guardrail |
| CN206204838U (en) * | 2016-11-29 | 2017-05-31 | 河北工程大学 | A kind of road guard of resistance to collision |
| CN106758991A (en) * | 2017-02-24 | 2017-05-31 | 重庆大丰交通设施制造有限公司 | A kind of intercommunication runner anticollision barrier |
| CN106894367A (en) * | 2017-04-19 | 2017-06-27 | 武汉理工大学 | A kind of anti-collision guard rail for highways for oblique shock |
| CN209323429U (en) * | 2017-12-08 | 2019-08-30 | 王传兰 | A kind of V-type traffic safety guardrail |
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2017
- 2017-12-08 CN CN201711291738.8A patent/CN107815993B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010093122A2 (en) * | 2009-02-10 | 2010-08-19 | 주식회사 금성산업 | Shock-absorbing installation for roadway |
| CN203625811U (en) * | 2013-11-28 | 2014-06-04 | 衢州市交通设施有限责任公司 | Rotating type guardrail |
| CN206204838U (en) * | 2016-11-29 | 2017-05-31 | 河北工程大学 | A kind of road guard of resistance to collision |
| CN106758991A (en) * | 2017-02-24 | 2017-05-31 | 重庆大丰交通设施制造有限公司 | A kind of intercommunication runner anticollision barrier |
| CN106894367A (en) * | 2017-04-19 | 2017-06-27 | 武汉理工大学 | A kind of anti-collision guard rail for highways for oblique shock |
| CN209323429U (en) * | 2017-12-08 | 2019-08-30 | 王传兰 | A kind of V-type traffic safety guardrail |
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| Publication number | Publication date |
|---|---|
| CN107815993A (en) | 2018-03-20 |
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