WO2012139426A1 - Dispositif de glissière de sécurité for route - Google Patents

Dispositif de glissière de sécurité for route Download PDF

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Publication number
WO2012139426A1
WO2012139426A1 PCT/CN2012/070131 CN2012070131W WO2012139426A1 WO 2012139426 A1 WO2012139426 A1 WO 2012139426A1 CN 2012070131 W CN2012070131 W CN 2012070131W WO 2012139426 A1 WO2012139426 A1 WO 2012139426A1
Authority
WO
WIPO (PCT)
Prior art keywords
guardrail
fixed
large column
plate
column
Prior art date
Application number
PCT/CN2012/070131
Other languages
English (en)
Chinese (zh)
Inventor
蔡文学
Original Assignee
Cai Wenxue
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cai Wenxue filed Critical Cai Wenxue
Priority to US14/111,556 priority Critical patent/US20140103278A1/en
Publication of WO2012139426A1 publication Critical patent/WO2012139426A1/fr

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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
    • 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
    • E01F15/0453—Rails of materials other than metal or concrete, e.g. wood, plastics; Rails of different materials, e.g. rubber-faced metal profiles, concrete-filled steel tubes
    • 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
    • E01F15/06—Continuous barriers extending along roads or between traffic lanes essentially made of cables, nettings or the like
    • E01F15/065—Continuous barriers extending along roads or between traffic lanes essentially made of cables, nettings or the like the barrier members being made of essentially non-metallic materials, e.g. natural or synthetic fibres or webbing

Definitions

  • the invention relates to a guardrail device for highways, which is mainly suitable for split protection of highway lanes. Background technique
  • the segmentation protection of the highway lane is realized by the connection of the guardrail and the column; because the length of the fence is long, the small column needs to be supported and fixed in the middle; meanwhile, because the length of the fence is impossible Infinitely long, the guardrails need to be docked with each other, and the butt joints need to be connected and fixed through the middle large columns; at the same time, the two ends of the guardrails need to be connected and fixed through the end large columns. For this reason, the design of the small column, the middle large column and the end large column structure is related to the use effect and strength of the entire guardrail device.
  • Cisokawa patent No. 92213037X discloses a utility model patent entitled "Road W Wave Crushing Guardrail", which is composed of W-wave anti-shock guardrail plates with different cross-section dimensions at both ends, which are lapped and fixed on the road surface by screws. on. Since the guardrail of the invention patent is directly fixed to the column with screws, the impact resistance is not good, and the safety of use is not high; at the same time, the plate body is not made of PVC resin, so it is easy to oxidize and rust, collide It is easy to damage the car.
  • Chinese Patent No. 2010200145262 discloses a utility model patent entitled "Highway Pavement Maintenance Wave Beam Guard Device", which comprises a corrugated beam, an anti-blocking block and a hollow guardrail column, and the guardrail column further comprises an extension tube and an inner sleeve.
  • the extension tube and the inner sleeve are located inside the steel pipe of the guardrail column.
  • the main purpose of the structural design is to lengthen the guardrail column.
  • the guardrail is not made of PVC resin.
  • the shape of the guardrail is only applicable to the corrugated beam, and the corrugated beam and the anti-blocking block are fixed by ordinary screws; The cost is high and the use is not environmentally friendly; at the same time, the application range is narrow, the impact resistance is not good enough, and the service life is low.
  • the technical problem to be solved by the present invention is to overcome the above-mentioned deficiencies in the prior art, and to provide a highway guardrail device with reasonable structural design, impact resistance and overall use effect.
  • the highway guardrail device comprises a guardrail plate, a small column, a middle large column and a terminal large column, and the guardrail plate and the small column, the middle large column and the end large column respectively Fixing, wherein: the guardrail is made of PVC resin, and the reinforcing strip is fixed in the guardrail; the small pillar and A bracket is disposed between the guardrails, the bracket is fixed to the small pillar, the guardrail is fixed to the bracket, and the guardrail and the bracket are fixed by frame bolts; the intermediate large pillar mechanism includes an intermediate connecting plate and a connecting ring And a guardrail plate with an end; the middle large column, the intermediate connecting plate and the connecting ring are fixed together by long bolts; the connecting ring is reversely wound with a guardrail plate; the two guardrail plates respectively pass through the intermediate connecting plate The frame bolt is fixed; the end large column mechanism comprises a sheath, a joint connecting plate and a guardrail plate with an end portion
  • the structural design of the invention is more reasonable, the impact resistance is better, and the safety of use is higher; the guardrail board is made of PVC resin, and the anti-corrosion, spraying and the like are not required in the production, and the green environment is truly realized; Since the specific gravity of PVC resin is much lower than that of steel, its comprehensive cost is low.
  • the frame bolts are provided with external threads at both ends thereof, and the frame bolts are of an integral structure.
  • the frame of the frame bolts is covered with a guardrail plate, so that the structural design of the bolts is more reasonable and the connection strength is better.
  • the end panel railing panel comprises an integrated end railing panel and a middle railing panel, so that the structural design of the bolt is more reasonable, and the joint strength of the end railing panel and the central railing panel is better.
  • a spacer is further disposed in the intermediate large column mechanism, and the spacer is fixed between the middle large column and the intermediate connecting plate to provide a better buffering effect when the vehicle collides.
  • the bracket is respectively provided with a small column fixing hole and a small column rail fixing hole, and the small column rail fixing hole cooperates with both ends of the frame bolt.
  • the structural design of the bracket is more reasonable, and the cylinder and the guardrail can be easily connected.
  • the connecting ring of the middle large column mechanism is provided with a connecting ring long bolt hole and two connecting ring guard rail slots, and a long bolt is inserted in the connecting ring long bolt hole, and the two connecting ring guard rail slots are respectively reversed
  • the fence is wound so that the ends of the fence are connected and the connection structure is more reasonable.
  • the intermediate connecting plate of the middle large column mechanism is provided with a middle connecting plate long bolt hole and a frame bolt hole, a long bolt is inserted in the middle connecting plate long bolt hole, and a frame bolt is worn in the frame bolt hole.
  • the overall force is even and the connection strength is better.
  • the intermediate large column mechanism is further provided with a large column steel pipe, which is respectively welded and fixed at both ends of the intermediate connecting plate, and a guardrail plate with an end portion is arranged on the large column steel pipe to make the guardrail plate The connection is stronger.
  • the end large column mechanism is further provided with a terminal large column steel pipe, the end large column steel pipe is welded and fixed at one end of the end connecting plate, and the end portion is surrounded by the end large column steel pipe.
  • the guardrail plate makes the connection of the guardrail board firmer.
  • the sheath is closely attached to the guardrail plate at the joint of the guardrail board, and the sheath is welded and fixed by the reinforcing rib and the end large column, so that there is no gap in the joint of the guardrail board. , the connection is stronger; and the connection between the sheath and the cylinder is stronger.
  • the reinforcing strip is composed of fibers of at least two directions in cross section, reinforcing all the fibers in the belt They are all fixed together; the impact resistance of the guardrail of the present invention is enhanced.
  • the invention has the following advantages and effects: reasonable overall structure design, good impact resistance, low cost and long service life; good cushioning property when the vehicle collides, not easy to scratch the car during collision, and extremely The earth reduces the secondary damage of people and vehicles; at the same time, the materials used are environmentally friendly and environmentally friendly, and are products that the country should actively promote.
  • Fig. 1 is a schematic front view showing the entire configuration of a first embodiment of the present invention.
  • Fig. 2 is an enlarged schematic view showing the structure of the left portion of Fig. 1.
  • Figure 3 is a schematic plan view of the structure of Figure 2;
  • Figure 4 is a cross-sectional view showing the structure of the small column of Figure 2 taken along the line A-A.
  • Figure 5 is a cross-sectional view showing the structure of the intermediate large column mechanism of Figure 2 taken along the line C-C.
  • Figure 6 is a cross-sectional view showing the structure of the intermediate large column mechanism of Figure 2 taken along the line D-D.
  • Fig. 7 is a cross-sectional view showing the E-E cross-sectional structure of the end large column mechanism of Fig. 2.
  • Figure 8 is a cross-sectional view showing the structure of the F-F of the end large column mechanism of Figure 2;
  • Figure 9 is a schematic view showing the structure of the bracket of the present invention.
  • Figure 10 is a cross-sectional view showing the structure of the G-G of Figure 9.
  • Figure 11 is a schematic view showing the structure of the bolt of the present invention.
  • Figure 12 is a schematic left side view of the structure of Figure 11;
  • Figure 13 is a schematic view showing the structure of a connecting ring in the present invention.
  • Figure 14 is a cross-sectional view showing the structure of the H-H of Figure 13;
  • Figure 15 is a schematic view showing the structure of an intermediate connecting plate in the present invention.
  • Figure 16 is a cross-sectional view showing the structure of the I-I of Figure 15;
  • Figure 17 is a schematic view showing the structure of a terminal connecting plate in the present invention.
  • Figure 18 is a cross-sectional view showing the structure of J-J of Figure 17;
  • Figure 19 is a schematic enlarged view showing the structure of the guardrail panel of the present invention.
  • Figure 20 is a schematic view showing the structure of a small column according to Embodiment 2 of the present invention.
  • Figure 21 is a schematic view showing the structure of the intermediate large column mechanism of the second embodiment of the present invention.
  • Fig. 22 is a structural schematic view showing the frame bolt of the intermediate large column mechanism of the second embodiment of the present invention covered with a guard rail.
  • Figure 23 is a schematic view showing the structure of the end large column mechanism of the embodiment 2 of the present invention.
  • Fig. 24 is a structural schematic view showing the frame bolt of the end large column mechanism of the second embodiment of the present invention covered with a guard rail.
  • Figure 25 is a schematic view showing the structure of a small column in the embodiment 3 of the present invention.
  • Figure 26 is a schematic view showing the structure of the intermediate large column mechanism of the third embodiment of the present invention.
  • Fig. 27 is a structural schematic view showing the frame bolt of the intermediate large column mechanism of the embodiment 3 of the present invention covered with a guardrail.
  • Figure 28 is a schematic view showing the structure of the end large column mechanism of the embodiment 3 of the present invention.
  • Fig. 29 is a structural schematic view showing the frame bolt of the end large column mechanism of the embodiment of the present invention covered with a guard rail. detailed description
  • the invention mainly comprises a guardrail plate 1, a small column 2, an intermediate large column mechanism 3 and a terminal large column mechanism 4; wherein: the guardrail plate 1 comprises a guardrail plate 1 with an end portion, and the guardrail plate 1 with the end portion includes the joint An end railing panel 11 and a middle railing panel 12; the middle pillar mechanism 3 includes an intermediate web 31, a connecting ring 32 and a guard rail 1 with an end; the end large pillar mechanism 4 includes a sheath 42 and an end The head connecting plate 41 and the guard rail 1 with the end.
  • the guardrail panel 1 of the present invention is made of PVC resin, and the reinforcing strip 13 is fixed in the guardrail panel 1; in the embodiment, the guardrail panel 1 is provided with seven ridges 14 which are covered with a reinforcing strip 13; the rib 14 is integrally formed with the guardrail panel 1 and protrudes from the surface of the guardrail panel 1; the rib 14 is located in the extending direction of the guardrail panel 1, and the outer surface of the guardrail panel 1 is made of PVC resin.
  • the reinforcing strip 13 is composed of fibers of at least two directions in cross section.
  • the reinforcing strip 13 is composed of transverse fibers 131 and vertical fibers 132 which are perpendicular to each other in two directions in the cross-sectional direction, all of the transverse fibers 131 and vertical The fibers 132 are all held together.
  • the reinforcing tape 13 of the present embodiment adopts a hot-melt-coated glass fiber, and has high impact strength; of course, aramid, carbon fiber, polyester, nylon, DuPont wire and the like can also be used.
  • guardrail 1 can also have other shapes, and it is also possible to use one or three structures for the guardrail 1.
  • a bracket 21 is disposed between the small column 2 and the guardrail 1 of the present invention.
  • the bracket 21 is respectively provided with a small column fixing hole 211 and a small column rail fixing hole 212, and the small column fixing hole 211 is matched with the common bolt 22,
  • the small column rail fixing hole 212 is engaged with both ends of the frame bolt 5.
  • the bracket 21 and the small column 2 are fixed by a common bolt 22, and the guardrail plate 1 and the bracket 21 are fixed by a frame bolt 5; the frame bolt 5 is provided with external threads 51 at both ends thereof, and the frame bolt 5 is an integral type The structure is covered with a guard rail 1 in the frame 52 of the frame bolt 5.
  • the connecting ring 32 of the intermediate large column mechanism 3 of the present invention has a connecting ring long bolt hole 321 and two connecting ring guard rail slots 322, and a long bolt 33 is inserted in the connecting ring long bolt hole 321 , and two connecting ring guard rail slots are formed.
  • 322 is respectively reversely wound with two guardrail plates 1 with end portions;
  • the intermediate connecting plate 31 is provided with intermediate connecting plate long bolt holes 311 and frame bolt holes 312, which are long in the middle connecting plate long bolt holes 311
  • the bolt 33 is pierced with a frame bolt 5 in the frame bolt hole 312.
  • the intermediate large column 30, the intermediate connecting plate 31 and the connecting ring 32 are sequentially arranged and fixed together by long bolts 33; the connecting ring 32 is respectively reversely wound with two guardrail plates 1 with end portions;
  • the guard rails 1 are respectively fixed to the intermediate connecting plate 31 by frame bolts 5; the frame 52 of the frame bolts 5 is covered with a guard rail 1;
  • 31 may be a steel plate, and the intermediate connecting plate 31 has a symmetrical structure.
  • a spacer 35 is also disposed in the intermediate large column mechanism 3, and the spacer 35 is fixed between the intermediate large column 30 and the intermediate connecting plate 31; the spacer 35 is welded and fixed to the intermediate connecting plate 31.
  • a large column steel pipe 61 may be further disposed in the intermediate large column mechanism 3, and the large column steel pipe 61 is welded and fixed to both ends of the intermediate connecting plate 31, respectively, and an end railing plate 11 is wound around the large column steel pipe 61.
  • each of the guardrail panels 1 and the intermediate connecting panel 31 is fixed by three frame bolts 5, wherein: the end railing plate 22 wound around the upper portion of the large pillar steel pipe 61 can be used with only one frame bolt 5 fixed.
  • the two end-reverse guardrail plates 1 pass through the connecting ring 32, wherein each of the end-end guardrail plates 1 is fixed by three frame bolts 5.
  • the guardrail 1 can also be of other structures and shapes; at the same time, the guardrail 1 can be designed as one or three upper and lower structures; the intermediate large pillar mechanism 3 can be a straight cylinder or a triangular cylinder.
  • a frame bolt hole 411 is formed in the end connecting plate 41 of the end large column mechanism 4 of the present invention, and a frame bolt 5 is inserted in the frame bolt hole 411; a guardrail plate 1 is wound around the sheath 42, and the fence plate 1 is And the end connecting plate 41 is fixed by the frame bolt 5; the frame 52 of the frame bolt 5 is covered with the guard rail 1; the end connecting plate 41 may be a steel plate.
  • end large column mechanism 4 Also provided in the end large column mechanism 4 is a terminal large column steel pipe 62 welded and fixed at one end of the end connecting plate 41, and an end guard rail is wound around the end large column steel pipe 62. Board 11.
  • the guardrail 1 and the end connecting plate 41 are fixed by three frame bolts 5, wherein: the end guard rail 11 wound around the upper end of the end large pillar steel pipe 62 can be fixed by only one frame bolt 5 .
  • the sheath 42 is in close contact with the guardrail 1 at the junction of the guardrail 1, and the sheath 42 is welded and fixed to the end large pillar 40 through the rib 43.
  • the guardrail 1 can also be of other structures and shapes. Meanwhile, the guardrail 1 can be designed as one or three structures; the end large pillar 40 can be a straight cylinder or a supported cylinder.
  • the small column 2 and the intermediate large column mechanism 3 of the present invention may be provided as needed, and the end large column mechanism 4 is usually installed at both ends of the whole device; the small column 2, the middle large column mechanism 3 and the end The lower part of the head column mechanism 4 is located below the ground 100 for fixing.
  • this is an embodiment in which the fence of the present invention adopts a wave structure.
  • the corrugated fence board 7 of the present invention includes a boss 71 having a corrugated structure, and the corrugated board 7 is fixed with reinforcing straps 72 respectively located on both sides of the bottom of the corrugated fence board 7; the outer surface of the corrugated fence board 7 is used Made of PVC resin.
  • a bracket 21 is disposed between the small column 2 and the wave guardrail plate 7, and the bracket 21 and the small column 2 are fixed by ordinary bolts, and between the flat portion 73 of the corrugated fence plate and the bracket 21 It is fixed by the frame bolt 5.
  • the intermediate connecting plate 31 in the intermediate large column mechanism 3 is located at the intermediate large column 30 and the connecting ring 32. Between the intermediate connecting plate 31 and the connecting ring 32 and the intermediate large column 30 are fixed together; the connecting ring 32 is respectively wound with two inverted wave guardrail plates 7, and the waved guardrail plate 7 and the intermediate connecting plate 31 pass between The frame bolt 5 is fixed; 35 is a spacer.
  • the corrugated fence 7 in the end large column mechanism 4 is surrounded by the end large column 40; the corrugated guardrail 7 and the end connecting plate 41 are fixed by the frame bolt 5, and the sheath 42 and the end are large.
  • the column 40 is fixed.
  • this is an embodiment of the fender panel of the present invention having a circular configuration.
  • the cross-sectional shape of the guardrail panel of the present invention is circular, and the circular guardrail panel 8 is also covered with a reinforcing strip 82.
  • the circular guardrail panel 8 has an elongated shape in the extending direction, and the outer surface of the circular guardrail panel 8 is made of PVC resin. Made; multiple strips can be used in actual use.
  • a bracket 21 is disposed between the small column 2 and the circular guardrail plate 8, and the bracket 21 and the small column 2 are fixed by ordinary bolts; the circular fence board 8 and the bracket 21 pass through the frame.
  • the bolt 5 is fixed.
  • the intermediate connecting plate 31 of the intermediate large column mechanism 3 is located between the intermediate large column 30 and the connecting ring 31, and the intermediate connecting plate 31 and the connecting ring 32 are fixed together with the intermediate large column 30; Two round guardrail plates 8 with ends are respectively wound; the circular guardrail plates 8 and the intermediate connecting plates 3 are fixed by frame bolts 5.
  • the circular guardrail 8 in the end large column mechanism 4 surrounds the end large column 40; the circular guardrail 8 and the end connecting plate 41 are fixed by the frame bolts 5, the sheath 42 and the end The head column 40 is fixed.
  • the guard rail is circular
  • the shape of the frame bolt is slightly different from other embodiments, but the structure is the same as other embodiments, that is, the frame bolt is also a frame structure, and External threads are also provided at both ends.
  • guardrail made of PVC resin means: The guardrail can be partially made of PVC resin, or the outer surface of the guardrail can be made of PVC resin.
  • the guardrail is fixed to the small column, the middle column and the end column
  • the guardrail can be directly fixed to the small column, the middle column and the end column, or through the connecting piece. Indirectly fixed.
  • ddle guardrail means: a guardrail panel that is integral with the end guardrail except for the end guardrail.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

L'invention concerne un dispositif de glissière de sécurité destiné à une route, qui comporte des plaques (1) de sécurité, une petite colonne verticale (2), un mécanisme (3) de grosse colonne verticale intermédiaire et un mécanisme (4) de grosse colonne verticale d'extrémité. Les plaques (1) de sécurité are respectivement fixées à la petite colonne verticale (2), au mécanisme (3) de grosse colonne verticale intermédiaire et au mécanisme (4) de grosse colonne verticale d'extrémité, une bande (13) de renfort étant fixée dans les plaques (1) de sécurité constituées de résine en PVC. Un support (21) est placé entre la petite colonne verticale (2) et les plaques (1) de sécurité, le support (21) étant solidaire de la petite colonne verticale (2) et les plaques (1) de sécurité étant fixées au support (21) par des boulons (5) de charpente. Le mécanisme (3) de grosse colonne verticale intermédiaire comporte une plaque (31) de liaison intermédiaire, une bague (32) de liaison et des plaques (1) de sécurité présentant des extrémités, la bague (32) de liaison étant enroulée en sens inverse autour de deux éléments de plaques (1) de sécurité. Le mécanisme (4) de grosse colonne verticale d'extrémité comporte une gaine (42), une plaque (41) de liaison d'extrémité et des plaques (1) de sécurité présentant des extrémités, la gaine (42) étant fixée au mécanisme (4) de grosse colonne verticale d'extrémité. Les plaques (1) de sécurité sont enroulées autour de la gaine (42), et les plaques (1) de sécurité sont fixées à la plaque (41) de liaison d'extrémité par des boulons (5) de charpente.
PCT/CN2012/070131 2011-04-15 2012-01-09 Dispositif de glissière de sécurité for route WO2012139426A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US14/111,556 US20140103278A1 (en) 2011-04-15 2012-01-09 Guardrail device for highway

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2011100948157A CN102191755B (zh) 2011-04-15 2011-04-15 一种高速公路用护栏装置
CN201110094815.7 2011-04-15

Publications (1)

Publication Number Publication Date
WO2012139426A1 true WO2012139426A1 (fr) 2012-10-18

Family

ID=44600554

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/070131 WO2012139426A1 (fr) 2011-04-15 2012-01-09 Dispositif de glissière de sécurité for route

Country Status (3)

Country Link
US (1) US20140103278A1 (fr)
CN (1) CN102191755B (fr)
WO (1) WO2012139426A1 (fr)

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CN107988950A (zh) * 2017-11-28 2018-05-04 湖北科技学院 一种临时交通护栏
CN115030076A (zh) * 2022-07-20 2022-09-09 安徽博天亚智能科技有限公司 一种消防通道隔离栏杆

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CN102191755B (zh) * 2011-04-15 2012-12-19 蔡文学 一种高速公路用护栏装置
CN102601592B (zh) * 2012-03-30 2014-07-09 中铁宝桥（扬州）有限公司 一种活动型风障的制造方法
WO2016201401A2 (fr) 2015-06-11 2016-12-15 Reinert Gary L Fondation à plaque métallique monobloc avec plaque décalée d'un seul tenant pour garde-corps et autres structures et système de garde-corps utilisant celle-ci
DE102015115768A1 (de) * 2015-09-18 2017-03-23 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Leitplankensystem mit unterschiedlichen Intervallen
CN105484189B (zh) * 2015-12-29 2017-09-12 中电建路桥集团有限公司 具有紧急疏散功能的高速路钢结构护栏式折叠便道
KR101754528B1 (ko) * 2016-03-23 2017-07-06 한국광기술원 건식 접착구조를 갖는 ｌｅｄ 구조체 어레이의 전사체와 이를 이용한 ｌｅｄ 구조체 어레이의 이송방법 및 ｌｅｄ 구조체
CN109898209B (zh) * 2017-12-08 2022-03-18 浙江古纤道绿色纤维有限公司 一种安全型公路防护栏及端头连接结构
CN108867470B (zh) * 2018-07-27 2020-12-08 嘉兴市龙锋市政建设有限公司 一种可缓冲的高速公路护栏
CN109183684B (zh) * 2018-09-29 2023-12-22 福建省华亿水处理工程技术有限公司 一种公路用弹性防护板
CN111071354B (zh) * 2019-11-15 2022-10-11 镇江三鑫金属工业有限公司 一种安全性无动力拖挂车的栏板结构
CN112983118B (zh) * 2021-03-08 2022-05-06 四川兆硕建筑工程有限公司 一种公路施工安全防护系统
CN113585134A (zh) * 2021-08-24 2021-11-02 大连路安建材有限公司 一种耐老化防撞墙护栏板及护栏板的制作方法
CN113846860A (zh) * 2021-11-10 2021-12-28 上海外高桥造船有限公司 搭接机构及安全护栏
CN116220457B (zh) * 2022-12-29 2023-08-18 山东赛纳石油科技有限公司 智能间距可调的井场间距护栏

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