CN109024385A - A kind of highway safety protective fence - Google Patents

A kind of highway safety protective fence Download PDF

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Publication number
CN109024385A
CN109024385A CN201811117449.0A CN201811117449A CN109024385A CN 109024385 A CN109024385 A CN 109024385A CN 201811117449 A CN201811117449 A CN 201811117449A CN 109024385 A CN109024385 A CN 109024385A
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CN
China
Prior art keywords
protective fence
energy
absorbing
same parents
born
Prior art date
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Granted
Application number
CN201811117449.0A
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Chinese (zh)
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CN109024385B (en
Inventor
张勇
侯玉波
陈慧超
陆勇
林继铭
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Huaqiao University
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Huaqiao University
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Priority to CN201811117449.0A priority Critical patent/CN109024385B/en
Publication of CN109024385A publication Critical patent/CN109024385A/en
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Publication of CN109024385B publication Critical patent/CN109024385B/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00Safety 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
    • E01F15/02Continuous barriers extending along roads or between traffic lanes
    • E01F15/04Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00Safety 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
    • E01F15/14Safety 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
    • E01F15/145Means for vehicle stopping using impact energy absorbers
    • E01F15/146Means for vehicle stopping using impact energy absorbers fixed arrangements
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/60Upright bodies, e.g. marker posts or bollards; Supports for road signs
    • E01F9/604Upright 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
    • E01F9/619Upright 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 with reflectors; with means for keeping reflectors clean

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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 discloses a kind of highway safety guardrail structures, comprising: the fixed important actor of protective fence and protective fence ontology;The protective fence ontology further comprises protective fence outside plate, protective fence inner panel;Level energy-absorbing ball born of the same parents are provided between the protective fence outside plate, protective fence inner panel;The fixed important actor of the protective fence further comprises pedestal, sandwich pipe and witch ball;Wherein sandwich pipe is made of the energy-absorbing column born of the same parents between hexagon inner tube, outer round tube and hexagon inner tube, outer round tube;The top end face of sandwich pipe is arranged in the witch ball.The present invention provides a kind of highway guard rails with efficient collision energy-absorbing, it is intended to solve that existing protective fence poor rigidity, energy-absorbing effect are poor, the problems such as injury suffered by the degree of injury and passengers inside the car after cannot effectively mitigating car crass.And the weak link of the common highway guard rail of optimization, i.e., the secondary injury that may cause when automobile and protective fence important actor collide due to energy-absorbing deficiency.

Description

A kind of highway safety protective fence
Technical field
The present invention relates to highway safety guardrail technical fields, and in particular to a kind of highway safety protective fence.
Background technique
With being continuously increased for car owning amount, traffic accident also becomes more frequently, higher in automobile driving speed On highway once accident occurs, the damage for being difficult to bear often is generated, this promotes us to reduce as far as possible to method The damage of expressway traffic accident, so proposing higher performance requirement to highway safety guardrail.Highway protection The effect on column is that can be used as a kind of energy absorbing device when traffic accident occurs to absorb caused by automobile collides Energy avoids excessive power from being directly passed to occupant on automobile or even vehicle, has to the safety of life and property of passenger The protective effect of effect.Therefore the quality of protective fence energy absorption performance directly affects the severity of accident.However present highway Upper common guardrail structure is too simple, the energy after automobile collides cannot be effectively absorbed, so cannot effectively subtract Injury after light accident to automobile and passenger.Thus a kind of highway safety guardrail tool with effective energy-absorbing is designed There are highly important realistic meaning and practical value.
Summary of the invention
Insufficient it is an object of the invention to solve existing highway protective fence security performance, providing one kind, there is efficiently collision to inhale Can highway guard rail, it is intended to solve that existing protective fence poor rigidity, energy-absorbing effect are poor, cannot effectively mitigate the damage after car crass The problems such as hurting injury suffered by degree and passengers inside the car.And the weak link of the common highway guard rail of optimization, that is, work as vapour The secondary injury that may cause when vehicle and protective fence important actor collide due to energy-absorbing deficiency.
To solve the above problems, technical scheme is as follows:
A kind of highway safety guardrail structure, comprising: the fixed important actor of protective fence and protective fence ontology;
The protective fence ontology further comprises protective fence outside plate, protective fence inner panel;In the protective fence outside plate, protective fence Level energy-absorbing ball born of the same parents are provided between plate;
The fixed important actor of the protective fence further comprises pedestal, sandwich pipe and witch ball;The wherein side sandwich Guan Youliu Energy-absorbing column born of the same parents composition between shape inner tube, outer round tube and hexagon inner tube, outer round tube;The witch ball is arranged in sandwich pipe Top end face.
In a preferred embodiment: the cross section of the energy-absorbing column born of the same parents is using hexagon inner tube side length as the semicircle of diameter Shape, and it is tangent in the inner surface of outer round tube.
In a preferred embodiment: the hexagon inner tube, outer round tube are made of carbon fibre material.
In a preferred embodiment: the material of the witch ball is PVC.
In a preferred embodiment: the protective fence outside plate is doubling plate made of aluminium sheet and carbon fiber board gluing.
In a preferred embodiment: the protective fence inner panel is the lamina made of aluminum alloy materials, the wave of shape Shape.
In a preferred embodiment: the material of the level energy-absorbing ball born of the same parents is aluminium.
In a preferred embodiment: the level energy-absorbing ball born of the same parents are made of three kinds of various sizes of hemisphere altogether, arrangement Mode be one big hemisphere diameter side embed two small hemisphere, the diameter side of two small hemisphere continue respectively embed two it is smaller Hemisphere, wherein the diameter of hemisphere embeds 2 times of small hemisphere for it
Compared to the prior art, beneficial effects of the present invention are as follows:
1, structure is simple, and components are few, convenient for handling, saves labour, sustainability is strong
Expressway barrier proposed by the invention is mainly made of protective fence important actor and protective fence ontology two parts, Level energy-absorbing ball born of the same parents composition of the protective fence ontology between inside and outside two plate and two plates, in addition protective fence important actor is also only by the bottom of by Seat, sandwich pipe and witch ball three parts composition, structure is simple, and combination is convenient.And most table structure is all to pass through welding Or the mode being glued is combined.The each components of protective fence are also sufficiently to select material in conjunction with its purposes.Such as it Middle witch ball uses reproducible PVC material, and convenient for safeguarding, corrosion resistance is strong, reflecting coating property in combination is strong, service life It is long.
2, comprehensive and efficient energy-absorbing and good stability
Safety guide rail proposed by the invention solves the weak link of traditional expressway barrier, i.e., automobile with The case where protective fence important actor collides effectively is kept away so that protective fence also has good energy-absorbing effect in this case Exempt from because energy-absorbing it is insufficient caused by security incident and since impact force is excessive caused by protective fence important actor injure passenger's Harm.In addition protective fence of the invention has efficient energy-absorbing effect.Protective fence ontology by inner and outer plates and between level inhale Energy born of the same parents' composition, when automobile collides with protective fence ontology, collision energy passes to level-one energy-absorbing born of the same parents, level-one energy-absorbing by inner panel After the deformation of born of the same parents' compression energy-absorbing collision energy is passed to its two embedded second level energy-absorbing born of the same parents again, and continues level-one energy-absorbing born of the same parents' Energy-absorbing feature, energy-absorbing step by step, level energy-absorbing exactly can effectively reduce impact force there are one significant benefit, to reach Buffering effect has good energy-absorbing stability.
3, there is good rigidity and crash-worthiness
After automobile and protective fence ontology collide, level energy-absorbing born of the same parents alternately start endergonic process.Energy-absorbing born of the same parents' energy-absorbing mistake Journey is that collision energy by inner panel passes to level-one energy-absorbing born of the same parents, and most starting inner panel and level-one energy-absorbing born of the same parents is a face contact, with energy-absorbing The intensification of process, point face contact becomes plane-plane contact and the range of plane-plane contact is also constantly expanding, this will cause collision prevention girders Inner panel and level-one energy-absorbing ball born of the same parents become a plane jointly, and then continue to act on level-one energy-absorbing two embedding second level energy-absorbings intracellular Born of the same parents, the working principle of second level energy-absorbing born of the same parents and level-one energy-absorbing cell phase seemingly, so with the intensification of collision process, the thickness of protective fence ontology Degree is constantly reducing, but the rigidity of protective fence ontology is but constantly increasing, this makes protective fence can be with after being collided With very high rigidity.In addition protective fence outside plate is the doubling plate that carbon fiber and aluminium sheet combine, and aluminium sheet has good resistance to pressure Still pull resistance is insufficient for energy, and carbon fiber board has good tensile strength, and the doubling plate of both materials composition can be effective Both absorptions the advantages of so that double panel structure has higher intensity.In short, the doubling plate phase made of carbon fiber and aluminium There is lighter weight than the metal plate of same thickness but possess higher intensity.So protective fence of the invention can be used in Bridge, tunnel, mountain upslope etc. require automobile that cannot go out the road conditions of road, and good rigidity can protect automobile and sufficiently inhale Railroad tracks will not be gone out after energy, and then guarantee the life and property safety of driver.
Detailed description of the invention
Fig. 1 is general structure schematic diagram of the invention;
Fig. 2 is protective fence important actor and important actor sandwich pipe cross-sectional view;
Fig. 3 is protective fence ontology cross-sectional view;
In figure: 1 is protective fence important actor;2 be protective fence ontology, and 201 be pedestal;202 be sandwich pipe;203 be witch ball; 204 be sandwich pipe cross-sectional view, and 301 be protective fence inner panel;302 be protective fence outside plate;303 be level energy-absorbing ball born of the same parents.
Specific embodiment
Explanation is further described combined with specific embodiments below.It should be noted that: following embodiment is merely to illustrate this Invention, not limits the technical scheme described by the invention, all do not depart from the technical solution of this range and its improvement and should all wrap It includes in the scope of the claims of the present invention.
With reference to Fig. 1-3, a kind of highway safety guardrail structure, comprising: the fixed important actor 1 of protective fence and protective fence ontology 2.Its Middle protective fence ontology 2 mainly includes protective fence outside plate 302, the level energy-absorbing ball between protective fence inner panel 301 and inner and outer plates again Born of the same parents 303.
The fixed important actor 1 of protective fence is made of pedestal 201, sandwich pipe 202 and witch ball 203, and the witch ball 203 passes through The top end face of sandwich pipe 202 is arranged in epoxy resin.Wherein sandwich pipe 202 is by hexagon inner tube, outer round tube and inside and outside Energy-absorbing column born of the same parents composition between pipe, with reference in Fig. 3 204 structure.
Fixed 1 pedestal of important actor of protective fence uses cast iron materials, and rigidity is enough and cost performance is high.Six sides of sandwich pipe 202 Shape inner tube, outer round tube material be made of carbon fiber.Since outer circle pipe is chronically exposed to outside, it is certain that this needs outer round tube to have Corrosion resistance and climate adaptability, so select carbon fiber as hexagon inner tube, outer round tube material just because of carbon Fiber has better corrosion resistance and good climate adaptability compared to general metal material, thereby may be ensured that protection The service life on column, it is with good economic efficiency;And carbon fibre material density is small, compared with common metal matter in the case of same volume Amount is lighter, is readily transported and installs, with good economic efficiency so as to save human and material resources.
Energy-absorbing column born of the same parents between fixed 1 inner and outer pipes of important actor of protective fence be using the side length of hexagon inner tube as the semicircle of diameter, And it is tangent with the inner surface of outer round tube.The purpose of energy-absorbing column born of the same parents is can be with when the fixed important actor 1 of automobile and protective fence collides A large amount of energy is absorbed, it is poor to solve common expressway barrier position of collision energy-absorbing effect in fixed important actor, and hold Easily aggravation automobile occurs the harm of accident and the problems such as issuable secondary injury.
When automobile and protective fence important actor collide, then the outer round tube stress deformation first of protective fence important actor will touch It hits power and passes to energy-absorbing column born of the same parents between inner and outer pipes, since energy-absorbing column born of the same parents section is semicircle, and most start to inhale flexible position Set be semicircle cambered surface, so after the deformation of energy-absorbing column born of the same parents' energy-absorbing can semicircle between gradually reduce as rectangle, rectangle stress Continuing compression causes the displacement transfer of energy-absorbing column born of the same parents to two adjacent energy-absorbing column born of the same parents, and this Solicitation mechanism can effective benefit Energy-absorbing is carried out with multiple energy-absorbing column born of the same parents, improves energy absorbing efficiency, and this arrangement can also well adapt to automobile With the collision angle of protective fence important actor, with better security performance.
Witch ball 203 on the fixed important actor 1 of protective fence selects reproducible PVC material, energy saving, and PVC material With the associativity of reflecting coating than its with traditional metal phase than than it is good, this makes reflecting coating not easily to fall off, and maintenance period is long, Labour is reduced to a certain extent.In addition the anti-aging property of PVC material is also superior to traditional steel, and PVC material has Good climate adaptability, resistance to raindrop erosion is good, long service life, and cheap cost performance is high.
Protective fence outside plate 302 is doubling plate made of aluminium sheet and carbon fiber board gluing, and aluminum material has good pressure resistance Still pull resistance is insufficient for performance, and carbon fiber board has good tensile strength, and the two, which combines, reaches mutual supplement with each other's advantages, makes the best use of the advantages Short effect is kept away, while aluminium and carbon fiber are all light weights, the good material of energy-absorbing effect is advantageously implemented light-weighted mesh 's.Protective fence inner panel 301 is the lamina made of aluminum alloy materials, and shape is more gentle waveform.Between inner and outer plates Level energy-absorbing ball born of the same parents use the aluminium with good energy-absorbing effect.One level energy-absorbing ball born of the same parents is various sizes of by three kinds altogether Hemisphere composition, arrangement are that the diameter side of one big hemisphere embeds two small hemisphere, and the diameter side of two small hemisphere is continued respectively Two smaller hemisphere are embedded, wherein the diameter of hemisphere embeds 2 times of small hemisphere for it.
When automobile and protective fence ontology 2 collide, automobile squeezes inner panel first, inner panel under the influence of the impact force by Waveform originally gradually stretches as plane, facilitates cushioning automobile crash, and the wave inner panel of protective fence ontology 2 is outstanding It is exactly the energy-absorbing ball born of the same parents between inner and outer plates below position, facilitates the endergonic process for causing energy-absorbing ball born of the same parents, so that The orderly progress of the endergonic process of protective fence ontology 2.When inner panel pressure passes to level energy-absorbing ball born of the same parents, this makes maximum energy-absorbing Ball born of the same parents start stress shape, gradually become plane-plane contact by initial point face contact, and contact area increases with it, and play certain Buffer function, when level-one energy-absorbing ball born of the same parents squeeze it is complete when, pressure will be passed to embedded second level energy-absorbing ball born of the same parents, similarly pass to Three-level energy-absorbing ball born of the same parents.Therefore there is this arrangement good level energy absorption characteristics and good stability and buffering to make With.
The foregoing is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited to this, Anyone skilled in the art in the technical scope disclosed by the present invention, using this design carries out the present invention non- Substantive change belongs to the behavior for invading the scope of the present invention.

Claims (8)

1. a kind of highway safety guardrail structure, characterized by comprising: the fixed important actor of protective fence and protective fence ontology;
The protective fence ontology further comprises protective fence outside plate, protective fence inner panel;The protective fence outside plate, protective fence inner panel it Between be provided with level energy-absorbing ball born of the same parents;
The fixed important actor of the protective fence further comprises pedestal, sandwich pipe and witch ball;Wherein sandwich pipe is by hexagon Energy-absorbing column born of the same parents composition between pipe, outer round tube and hexagon inner tube, outer round tube;The top of sandwich pipe is arranged in the witch ball End face.
2. a kind of highway safety guardrail structure according to claim 1, it is characterised in that: the energy-absorbing column born of the same parents' is transversal Face be using hexagon inner tube side length as the semicircle of diameter, and it is tangent in the inner surface of outer round tube.
3. a kind of highway safety guardrail structure according to claim 1, it is characterised in that: the hexagon inner tube, outer Round tube is made of carbon fibre material.
4. a kind of highway safety guardrail structure according to claim 1, it is characterised in that: the material of the witch ball is PVC。
5. a kind of highway safety guardrail structure according to claim 1, it is characterised in that: the protective fence outside plate is aluminium Doubling plate made of plate and carbon fiber board are glued.
6. a kind of highway safety guardrail structure according to claim 5, it is characterised in that: the protective fence inner panel be by Lamina made of aluminum alloy materials, the waveform of shape.
7. a kind of highway safety guardrail structure according to claim 6, it is characterised in that: the level energy-absorbing ball born of the same parents' Material is aluminium.
8. a kind of highway safety guardrail structure according to claim 6, it is characterised in that: a level energy-absorbing ball Born of the same parents are made of three kinds of various sizes of hemisphere altogether, and arrangement is that the diameter side of one big hemisphere embeds two small hemisphere, two small The diameter side of hemisphere continues to embed two smaller hemisphere respectively, and wherein the diameter of hemisphere embeds 2 times of small hemisphere for it.
CN201811117449.0A 2018-09-20 2018-09-20 Highway safety protective guard Active CN109024385B (en)

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CN109024385B CN109024385B (en) 2023-11-21

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110566620A (en) * 2019-09-30 2019-12-13 中国海洋大学 Negative-stiffness unit-cell honeycomb vibration damping structure
CN115323961A (en) * 2022-07-11 2022-11-11 泉州装备制造研究所 Road safety protective guard

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1063803A (en) * 1963-02-28 1967-03-30 Edwin Bucher Improvements in vehicle crash barriers
CN101454510A (en) * 2007-05-25 2009-06-10 李爱端 Safety guide rail
KR20100077866A (en) * 2008-12-29 2010-07-08 황창조 Shock absorbing device of guard rail
CN203049498U (en) * 2013-01-06 2013-07-10 宁波大学 Expressway guardrail with good anti-collision performance
KR101469749B1 (en) * 2014-05-23 2014-12-05 제국산업(주) Device for absorbing impact gradually
CN205501892U (en) * 2016-01-29 2016-08-24 临安市公路建设工程有限公司 Rotatory bucket of highway rail guard
CN106948294A (en) * 2017-04-27 2017-07-14 华侨大学 A kind of waveform sandwich highway safeguard structure
CN207295562U (en) * 2017-10-13 2018-05-01 长安大学 A kind of concealed two-stage buffered waveforms guardrail
CN108487134A (en) * 2018-02-12 2018-09-04 山西大学 A kind of anti-collision guard rail for highways based on multiple defence line
CN209082396U (en) * 2018-09-20 2019-07-09 华侨大学 Highway safety protective fence

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1063803A (en) * 1963-02-28 1967-03-30 Edwin Bucher Improvements in vehicle crash barriers
CN101454510A (en) * 2007-05-25 2009-06-10 李爱端 Safety guide rail
KR20100077866A (en) * 2008-12-29 2010-07-08 황창조 Shock absorbing device of guard rail
CN203049498U (en) * 2013-01-06 2013-07-10 宁波大学 Expressway guardrail with good anti-collision performance
KR101469749B1 (en) * 2014-05-23 2014-12-05 제국산업(주) Device for absorbing impact gradually
CN205501892U (en) * 2016-01-29 2016-08-24 临安市公路建设工程有限公司 Rotatory bucket of highway rail guard
CN106948294A (en) * 2017-04-27 2017-07-14 华侨大学 A kind of waveform sandwich highway safeguard structure
CN207295562U (en) * 2017-10-13 2018-05-01 长安大学 A kind of concealed two-stage buffered waveforms guardrail
CN108487134A (en) * 2018-02-12 2018-09-04 山西大学 A kind of anti-collision guard rail for highways based on multiple defence line
CN209082396U (en) * 2018-09-20 2019-07-09 华侨大学 Highway safety protective fence

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110566620A (en) * 2019-09-30 2019-12-13 中国海洋大学 Negative-stiffness unit-cell honeycomb vibration damping structure
CN115323961A (en) * 2022-07-11 2022-11-11 泉州装备制造研究所 Road safety protective guard
CN115323961B (en) * 2022-07-11 2024-03-19 泉州装备制造研究所 Road safety guard rail

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