WO2018199420A1 - Glissière de sécurité en plastique de type ouvert - Google Patents

Glissière de sécurité en plastique de type ouvert Download PDF

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Publication number
WO2018199420A1
WO2018199420A1 PCT/KR2017/013973 KR2017013973W WO2018199420A1 WO 2018199420 A1 WO2018199420 A1 WO 2018199420A1 KR 2017013973 W KR2017013973 W KR 2017013973W WO 2018199420 A1 WO2018199420 A1 WO 2018199420A1
Authority
WO
WIPO (PCT)
Prior art keywords
fitting groove
rib
guard rail
guardrail
open
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2017/013973
Other languages
English (en)
Korean (ko)
Inventor
유준령
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Caris Guard Rail Co Ltd
Original Assignee
Caris Guard Rail Co Ltd
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 Caris Guard Rail Co Ltd filed Critical Caris Guard Rail Co Ltd
Publication of WO2018199420A1 publication Critical patent/WO2018199420A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
    • 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
    • E01F15/0484—Installing; Repairing; Adjusting
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
    • E01F15/145—Means for vehicle stopping using impact energy absorbers
    • E01F15/146—Means for vehicle stopping using impact energy absorbers fixed arrangements

Definitions

  • the present invention is mainly installed in bridges and bridge railings for automobile roads, and more particularly, to a plastic molded guardrail designed to effectively cope with external impacts.
  • the guardrail is a road facility installed along the road to indicate that the road is the boundary of the road and to prevent the departure of the vehicle.
  • a guard rail needs to have a high impact strength to prevent the vehicle from falling off when the vehicle collides, while simultaneously requiring a property that can absorb the shock applied to the vehicle and the guard rail.
  • this need is in view of the protection of the driver and the occupant.
  • Guard rails for this purpose are generally divided into open guard rails and standard guard rails.
  • the open guard rails are particularly narrow and are spaced at considerable intervals on the posts to ensure that the driver's vision is not tight. It means to make one.
  • this type of guardrail is widely used for bridges and bridge railings due to its characteristics, it has recently been used regardless of a roadside or a central separator. However, due to its morphological characteristics, a special buffering capacity is required.
  • a traditionally open guardrail is a metal plate that is press-formed in a continuously curved form, and is continuously disposed and fixed to a rail post properly disposed along a road.
  • this metal guard rail is inconvenient to handle and dangerous, and thus has a problem of poor workability, not only a lack of shock absorbing ability to absorb shock, but also a problem of corrosion and the like.
  • Utility Model Registration No. 308889 discloses a guardrail molded only as a synthetic resin or FRP, and there are various proposals in which a fastening structure or a reflective structure is added to a guardrail having a similar material. There is no problem with regard to the strength, stiffness or cushioning of the. It is proposed to form an air layer inside the guardrail.
  • Registered Patent Nos. 466411, 897583, 1313133, and Published Patent Nos. 2010-109080 use synthetic resins or resins, but form an air layer therein, and each layer is approximately one-shaped, V-shaped, or W.
  • Plastic guardrails are disclosed that are constructed by connecting linear ribs or honeycomb ribs. This structure will have a cushioning effect compared to the simple plate guardrails described above.
  • the guardrail inner structure including the air layer and the ribs is limited in shape and does not actively act on external impact.
  • each layer is easily destroyed in turn, and in the process, the internal structure and shape have no active action for cushioning and mitigation.
  • the air layer and ribs provide the cushioning properties of the guardrail, the effect is only marginal.
  • An object of the present invention is to provide an open plastic guard rail capable of expressing sufficient cushioning function even when manufactured in a relatively narrow form as the open type, by more effectively alleviating the impact through an active action for absorbing the external impact. I would like to.
  • Another object of the present invention is to provide an open plastic guardrail in which fragmentation of the guardrail due to the impact is not possible.
  • the present invention is based on a so-called 'open' plastic guardrail which is formed of synthetic resin and fixed transversely to the vertical posts at vertical and horizontal intervals to open the driver's field of view.
  • a ridge comprising a planar support providing a fixed surface for the post and at least one semi-circular protrusion formed integrally on the front surface of the support and providing a contact surface against external impact and formed forward;
  • a fitting groove is formed in the support
  • An inwardly projecting rib is formed in the protrusion to be closely inserted into the fitting groove at a position corresponding to the fitting groove;
  • the end edge of the rib is connected to the inlet edge portion of the fitting groove, and the connected portion is configured to be forcibly inserted into the fitting groove while being broken by the impact.
  • the guard rail further includes a shock absorbing synthetic resin foam filled in the fitting groove.
  • the inner wall of the fitting groove and the outer surface of the rib have a friction protrusion-groove structure corresponding to each other.
  • a PC resin material of thermoplastic engineering plastic resin is applied as the material of the support part, and the material selected from the engineering plastic resin and HDPE (High-Density Polyethylene) is 30 to 50:70 to 50 as the material of the ridge.
  • the plastic resin material obtained by mixing in the weight ratio of is applied.
  • the foam is a conventional polyethylene foam.
  • the guardrail of the present invention when the impact is applied to the protrusion side of the ridge, the rib is forcibly inserted into the fitting groove of the support.
  • frictional resistance is continuously provided during the insertion process, and the support part and the ridge part are pressed together and are integrally combined.
  • the foam corresponds elastically to the rib end in front and resiliently absorbs the impact, and the friction protrusion-groove structure provides a stronger frictional resistance in succession between the rib and the fitting groove. Therefore, there is an effect that can double the features that can mitigate the impact and reduce the occurrence of debris.
  • the guardrail of the present invention is elastically cushioned by buffer means arranged in a line, that is, rib / fitting groove corresponding structure-connecting part-foam-friction protrusion / groove corresponding structure, and so on. It can be restored to, and at this time there is an effect that can greatly help to move the car off the road for a while in the normal driving direction again.
  • FIG. 1 is a perspective view of a conventional open guard rail.
  • FIG. 2 is a perspective view of the open guardrail according to the present invention.
  • FIG. 3 is an enlarged cross-sectional view of FIG.
  • FIG. 4 is a cross-sectional view for explaining the operation of the guardrail according to the present invention.
  • guardrail according to the invention is denoted by reference numeral 10.
  • the guard rail 10 according to the present invention is formed long in the cross-direction of the synthetic resin material is fixed to the vertical post (P) at intervals up and down, the driver's field of view is open So-called 'open' plastic guardrails.
  • the guardrail of this type has a narrow upper and lower width (W) than the standard guardrail, depending on the height of the post, but usually has a width of 20-35cm, the guardrail 10 of the present invention Also properly designed within this range.
  • reference numerals 11 and 12 are fastening holes and bolts formed to install the guardrail 10 on the roadside rail post P, and a separate bracket structure is provided for fixing the rigid post P of the guardrail 10. It can also be used.
  • the guard rail 10 is structurally formed by integrally extruding the support 20 and the ridge 30.
  • the support portion 20 is a portion that provides a fixed surface for the post (P)
  • the ridge portion 30 is formed on the front of the support portion 20 to provide a contact surface against external impact formed toward the front
  • One or more semi-circular protrusions 31 More specifically, the fitting groove 21 is formed inside the support part 20, and the protrusion 31 may be inserted in close contact with the fitting groove 21 at a position corresponding to the fitting groove 21. Inwardly projecting ribs 32 are formed.
  • the thickness of the rib 32 and the width of the fitting groove 21 are almost the same level by the term 'close', so that the position and size of the rib 32 are not precisely set. Insertion may be difficult or the ribs 32 may become broken and may break. Therefore, in order to guide the proper insertion into the fitting groove 21, the rib 32 is formed in a pointed shape or a round shape of the end.
  • the end edge of the rib 32 is connected to the inlet edge portion of the fitting groove 21 can be more accurately inserted into the fitting groove 21 of the rib 32.
  • this connecting portion 33 should be able to be broken by external pressure.
  • the guard rail 10 is formed of a thermoplastic resin material, preferably, the ridge 30 is a high strength material to enhance the impact resistance, and the support portion ( 20 applies a material having a lower strength than at least the ridge 30 in consideration of internal buffering properties and water solubility of the ribs 32, in which case the guard rail 10 may be molded by a double extrusion method.
  • PA polyacetyl
  • PBT polybutylene terephthalate
  • MPPO modified
  • an engineering plastic resin EP.VC
  • PE polyethylene glycol
  • PE polypropylene
  • PE polyethylene glycol
  • PS polystyrene
  • ABS polystyrene
  • AS acrylonitrile styrene copolymer
  • MBS methacrylic resin
  • a PC (Polycarbonate) resin having the highest impact strength is used among the thermoplastic resin and the engineering resin as the material of the ridge portion 30, and the above-described E-P.V.C.
  • the resin material obtained by mixing the material selected from the resin and HDPE (High-Density Polyethylene) is applied.
  • the resin is not to exceed the weight of the HDPE resin, preferably obtained by mixing in a weight ratio of 30 to 50:70 to 50.
  • the guard rail 10 of the present invention is installed in the post (P) by a fixing bolt 12 penetrating the fastening hole 11 properly formed, as shown in the fastening hole ( 11 is formed by sequentially passing through the inner support portion 20 and the portion in which the protrusions 31 are not formed.
  • the guard rail 10 of the present invention further includes a shock-absorbing synthetic resin foam 40 in the form of a foam filled in the fitting groove 21.
  • the foam 22 corresponds to the end of the rib 32 in front to elastically absorb the impact.
  • the foam 22 is a conventional polyethylene molded foam.
  • the rib 32 includes a plurality of friction protrusions 34 formed on an outer surface thereof, and the fitting groove 21 is formed on an inner wall of the groove 22 corresponding to the friction protrusion 34.
  • the friction protrusion-34 grooves 22 structure provides stronger frictional resistance between the ribs 32 and the fitting grooves 21 in succession and simultaneously suppresses the force to be shot in the opposite direction, while the foam 40 To be firmly arranged on the inner wall of the fitting groove (21).
  • the impact resistance of the guard rail 10 is ensured by the ridge 30 of the material, while the cushioning characteristics of the guard rail 10 are the support 30 of the material, rib-fitting grooves. It is ensured and reinforced by the interaction between (22-32), the foam 24, the friction protrusion-groove 34, 22 corresponding structure.
  • Reference numeral 35 denotes a normal buffer air hole formed in the longitudinal direction in the cross section of the ridge 30.
  • the guard rail 10 of the present invention has a shock absorbing structure in which the impact is arranged in a line, that is, the rib / fitting grooves 32 and 21 corresponding structure-the connecting portion 33- Foam 40-After the elastically buffered by the friction projection / groove (34, 22) corresponding structure can be restored to its original form, in which case the car that has temporarily left the driving road due to inadvertent driving, etc. It can be a great help to get you going.

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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)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

La présente invention concerne une glissière de sécurité en plastique de type ouvert composée d'un matériau de résine synthétique, et fixée à des montants verticaux dans une direction transversale avec un espace dans une direction verticale de façon à assurer l'ouverture de vision d'un conducteur. La glissière de sécurité est formée pour être extrudée d'un seul tenant tout en comprenant : une partie de support plane pour fournir une surface de fixation pour le montant ; et une partie saillante ayant une ou plusieurs saillies semi-circulaires formées vers l'avant de la partie de support, la partie de support ayant une rainure d'ajustement formée à l'intérieur de celle-ci, et la saillie ayant une nervure, qui peut être étroitement introduite dans la rainure d'ajustement et formée dans la position correspondant à la rainure d'ajustement intérieure, de telle sorte que lorsqu'un impact est appliqué à la saillie, l'impact est atténué par une résistance au frottement continue tandis que la nervure est introduite de force dans la rainure d'ajustement.
PCT/KR2017/013973 2017-04-28 2017-12-01 Glissière de sécurité en plastique de type ouvert Ceased WO2018199420A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170054916A KR101799862B1 (ko) 2017-04-28 2017-04-28 개방형 플라스틱 가드레일
KR10-2017-0054916 2017-04-28

Publications (1)

Publication Number Publication Date
WO2018199420A1 true WO2018199420A1 (fr) 2018-11-01

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PCT/KR2017/013973 Ceased WO2018199420A1 (fr) 2017-04-28 2017-12-01 Glissière de sécurité en plastique de type ouvert

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KR (1) KR101799862B1 (fr)
WO (1) WO2018199420A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020532900A (ja) * 2018-07-31 2020-11-12 エルジー エレクトロニクス インコーポレイティド 無線通信システムにおける端末の制御信号モニタリング方法、及び前記方法を用いる端末

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109457606A (zh) * 2018-12-19 2019-03-12 长安大学 一种具有多重缓冲结构的桥梁用防撞护栏

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1111239A (ja) * 1997-06-24 1999-01-19 Toyota Motor Corp エネルギー吸収構造体
KR20130083374A (ko) * 2009-06-30 2013-07-22 후야오 쳉 방호벽 및 고정장치
KR101312933B1 (ko) * 2012-11-12 2013-10-14 (주)제이피 플라스틱 가드레일
KR20140014891A (ko) * 2012-07-27 2014-02-06 지금강 주식회사 가드레일
KR101469749B1 (ko) * 2014-05-23 2014-12-05 제국산업(주) 어긋나게 형성되는 리브의 변형을 통한 단계별 충격흡수 기능을 갖는 시설물 보호용 충격흡수장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1111239A (ja) * 1997-06-24 1999-01-19 Toyota Motor Corp エネルギー吸収構造体
KR20130083374A (ko) * 2009-06-30 2013-07-22 후야오 쳉 방호벽 및 고정장치
KR20140014891A (ko) * 2012-07-27 2014-02-06 지금강 주식회사 가드레일
KR101312933B1 (ko) * 2012-11-12 2013-10-14 (주)제이피 플라스틱 가드레일
KR101469749B1 (ko) * 2014-05-23 2014-12-05 제국산업(주) 어긋나게 형성되는 리브의 변형을 통한 단계별 충격흡수 기능을 갖는 시설물 보호용 충격흡수장치

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020532900A (ja) * 2018-07-31 2020-11-12 エルジー エレクトロニクス インコーポレイティド 無線通信システムにおける端末の制御信号モニタリング方法、及び前記方法を用いる端末
US11044622B2 (en) 2018-07-31 2021-06-22 Lg Electronics Inc. Method for monitoring control signal of terminal in wireless communication system and terminal using the same
US11044619B2 (en) 2018-07-31 2021-06-22 Lg Electronics Inc. Method for monitoring control signal of terminal in wireless communication system and terminal using the same
US11337093B2 (en) 2018-07-31 2022-05-17 Lg Electronics Inc. Method for monitoring control signal of terminal in wireless communication system and terminal using the same
US11950116B2 (en) 2018-07-31 2024-04-02 Lg Electronics Inc. Method for monitoring control signal of terminal in wireless communication system and terminal using the same

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