CN109653138A - A kind of anticollision barrier end device rotating energy-absorbing - Google Patents
A kind of anticollision barrier end device rotating energy-absorbing Download PDFInfo
- Publication number
- CN109653138A CN109653138A CN201910107896.6A CN201910107896A CN109653138A CN 109653138 A CN109653138 A CN 109653138A CN 201910107896 A CN201910107896 A CN 201910107896A CN 109653138 A CN109653138 A CN 109653138A
- Authority
- CN
- China
- Prior art keywords
- bolt
- guardrail beam
- linear type
- impact head
- absorbing
- 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.)
- Pending
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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
- E01F15/14—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
Abstract
The invention discloses a kind of anticollision barrier end devices for rotating energy-absorbing, including impact portions, guardrail beam and support portion, impact portions include impact head, impact head is inner hollow and the shell open away from the side on road surface tool, sleeve is arranged in the rear end of impact head, guardrail beam includes linear type girder and pulley, linear type girder is horizontally disposed and runs through sleeve, one end that linear type girder is in inside impact head is fixedly connected with the periphery of pulley, support portion includes vertical arrangement and coaxial upper bolt and lower bolt, upper bolt and lower bolt are bolted, upper bolt and sleeve connection, guide portion is set inside impact head, guide portion is the arc panel being bent outwardly, the anticollision barrier end device of this rotation energy-absorbing is by the way of the Texturized energy-absorbing of guardrail beam, reduce the damage to vehicle and personnel, and occupied area is small after the curling of guardrail beam , when mitigating the influence to traffic, and handling, due to bill of materials one, it is not necessarily to classification processing, facilitates recycling and reusing.
Description
Technical field
The present invention relates to highway safety safeguard technical field, specially a kind of anticollision barrier end dress for rotating energy-absorbing
It sets.
Background technique
Current protective fence is formed using corrugated metal buffer zone and anchor, when hitting, buffer zone
It generates longitudinal compression and deforms energy-absorbing, reduce and injured caused by impact force, mainly by buffer zone itself material and shape and structure energy-absorbing；
It is small to hit contact area, buffering effect, degree of protection are limited, and vehicle damage is big.Also propose one kind in road two in the prior art
Such as exhaust gas tire impacting body is arranged in side, is hit for errant vehicle, but after shock, multiple material is mixed,
It when being handled, needs to carry out classification processing, is unfavorable for recycling, and hinder the normal pass on road surface during processing, no
Conducive to the fast quick-recovery of traffic.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of anticollision barrier end for rotating energy-absorbing
Device reduces the damage to vehicle and personnel, and take up an area face after the curling of guardrail beam by the way of the Texturized energy-absorbing of guardrail beam
Product is small, when mitigating influence to traffic, and handling, due to bill of materials one, is not necessarily to classification processing, facilitates recycling and reusing, can be with
Effectively solve the problems in background technique.
To achieve the above object, the invention provides the following technical scheme: it is a kind of rotate energy-absorbing anticollision barrier end device,
Including impact portions, guardrail beam and support portion, the impact portions include impact head, and impact head is inner hollow and deviates from the one of road surface
The open shell of side tool, the rear end of the impact head are arranged sleeve, and the guardrail beam includes linear type girder and pulley, described straight
Line style girder is horizontally disposed and runs through sleeve, and the periphery that the linear type girder is in one end and pulley inside impact head is solid
Fixed connection, the support portion includes vertical arrangement and coaxial upper bolt and lower bolt, the upper bolt and lower bolt pass through spiral shell
It tethers and connects, the upper bolt is fixedly connected with the outer wall of sleeve, and lower bolt is fixedly connected with road surface, in the front end of the impact head
Guide portion is fixedly installed in portion position corresponding with linear type girder, and the guide portion is the arc panel being bent outwardly, arc panel
The inner sidewall of one end and sleeve adjacent to road surface is smoothly connected, and the other end of arc panel is directed toward the side for deviating from road surface, passes through straight line
The contact of type girder and the cambered surface of arc panel forces linear type girder to crimp, to carry out deformation energy-absorbing, avoids rear end
Linear type girder shifts to an earlier date stress deformation.
As a preferred technical solution of the present invention, thin slice, the thin slice and sleeve is arranged in the side of the upper bolt
It is fixedly mounted, the impact portions side is in the fixed setting of the position in front of upper bolt cross bar, by the way that cross bar is arranged, in impact head
It when being collided, is able to drive cross bar and moves back, contacted with upper bolt, drive upper bolt to be bent downwardly and topple over, to avoid upper bolt
With vehicle contact, and upper bolt and sleeve are connect using thin slice, and in stress, thin slice can be torn easily, to make anchor
Bar and sleeve are detached from, and avoiding upper bolt from influencing guardrail beam, deformation occurs；
The support portion further includes fixed plate, and the fixed plate is connect by bolt with guardrail beam, and the fixed plate is close to collision
The one end in portion is connected with connecting strand, and the other end of the connecting strand is connect with upper bolt, involves connecting strand by fixed plate, balance
Impact portions act on the active force on guardrail beam, and two side draws for being subject to upper bolt are identical, and upper bolt is avoided to bear impact portions
Towards the problem on deformation caused by power of toppling of side；
Open-ended strip groove is respectively set in the two sides of the fixed plate, and the bar shaped channel opening is towards close to the one of impact portions
End, the fastening bolt that setting is connect with guardrail beam inside the strip groove, by the strip groove design of opening, make fixed plate by
It can be actively detached from guardrail beam when to impact force towards rear end, avoid deforming guardrail deflection of beam and impact.
As a preferred technical solution of the present invention, pass through horizontal or vertical arrangement between the upper bolt and lower bolt
Bolt connect when bolt is horizontally disposed, the axis of bolt is vertical with linear type girder.
As a preferred technical solution of the present invention, the linear type girder section of the guardrail beam is W-shaped, the guardrail
The surface of beam is uniformly arranged hollow hole along its length, is designed by W-shaped section, promotes the bending resistance of guardrail beam,
When occuring bending and deformation, more energy are absorbed.Hollow hole can mitigate the weight of guardrail beam, can be used for mounting plate
Fastening bolt.
Compared with prior art, the beneficial effects of the present invention are: the anticollision barrier end device use of this rotation energy-absorbing is touched
Hit the guardrail beam that helix-deformed energy-absorbing is capable of in setting inside portion, solve the problems, such as vehicle frontal collision damage it is more serious, simultaneously
Contact area can be promoted, the degree of injury of position of collision is reduced by way of expanding impact head head-on crash area, and
Guardrail beam twist deforms after an impact, and occupied area is smaller, and in actual installation, by the opening direction for making arc panel
Towards the mounting means on the outside of road surface, enables guardrail beam to road outside sweep, will not influence the normal pass ability on road surface, and
The present invention is integrally all made of single metal material, when carrying out post-processing, without carrying out classification recycling to material, facilitates back
It receives and recycles.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is back structures schematic diagram of the present invention；
Fig. 3 is main view of the present invention；
Fig. 4 is cross-sectional view at A of the present invention.
In figure: 1 impact portions, 101 impact heads, 102 guide portions, 103 sleeves, 104 cross bars, 2 guardrail beams, 201 linear type masters
Beam, 202 pulleys, 3 support portions, 301 upper bolts, 302 lower bolts, 303 connecting strands, 304 fixed plates, 305 thin slices.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of anticollision barrier end device rotating energy-absorbing, packet
Impact portions 1, guardrail beam 2 and support portion 3 are included, impact portions 1 include impact head 101, and impact head 101 is inner hollow and deviates from road surface
The open shell of side tool, sleeve 103 is arranged in the rear end of impact head 101, and guardrail beam 2 includes linear type girder 201 and pulley
202, linear type girder 201 it is horizontally disposed and run through sleeve 103, linear type girder 201 be in one end inside impact head 101 and
The periphery of pulley 202 is fixedly connected, and support portion 3 includes vertical arrangement and coaxial upper bolt 301 and lower bolt 302, upper anchor
Bar 301 and lower bolt 302 are bolted, and upper bolt 301 is fixedly connected with the outer wall of sleeve 103, lower bolt 302 and road surface
It is fixedly connected, in actual use, can be by way of increasing ribs or support rod inside impact head 101, promotion is touched
It rams 101 itself non-deformabilities.
Guide portion 102, guide portion is fixedly installed in position corresponding with linear type girder 201 inside the front end of impact head 101
102 be the arc panel being bent outwardly, and inner sidewall of the one end and sleeve of arc panel adjacent to road surface is smoothly connected, arc panel it is another
End, which is directed toward, forces linear type girder 201 by the contact of linear type girder 201 and the cambered surface of arc panel away from the side on road surface
It crimps, to carry out deformation energy-absorbing, the linear type girder 201 of rear end is avoided to shift to an earlier date stress deformation.
Thin slice 305 is arranged in the side of upper bolt 301, and thin slice 305 and sleeve 103 are fixedly mounted, and 305 thickness of thin slice is no more than
0.5cm, so that bonding strength is weaker herein, 1 side of impact portions is in the position fixed setting cross bar in 301 front of upper bolt
104, it is able to drive cross bar 104 when impact head 101 is collided by the way that cross bar 104 is arranged and moves back, contacted with upper bolt 301,
It drives upper bolt 301 to be bent downwardly to topple over, so that upper bolt 301 and vehicle contact are avoided, and upper bolt 301 is adopted with guardrail beam 2
It is connected with thin slice 305, in stress, thin slice 305 can be torn easily, so that upper bolt 301 and sleeve 103 be made to be detached from, be kept away
Exempting from the influence of upper bolt 301 guardrail beam 2, deformation occurs.
Support portion 3 further includes fixed plate 304, and fixed plate 304 is connect by bolt with guardrail beam 2, and fixed plate 304 is close to touch
The one end for hitting portion 1 is connected with connecting strand 303, and connecting strand 303 is preferably but not limited to the preferable cable wire of flexibility, plays traction and draws
The other end of the effect pulled, connecting strand 303 is connect with upper bolt 301, involves connecting strand 303, balance collision by fixed plate 304
Portion 1 acts on the active force on guardrail beam 2, the two sides tension balanced for being subject to upper bolt 301, and the receiving of upper bolt 301 is avoided to touch
Hit topple power caused by problem on deformation of the portion 1 towards side.
Open-ended strip groove is respectively set in the two sides of fixed plate 304, and bar shaped channel opening is towards close to the one of impact portions 1
End, the fastening bolt that the setting of strip groove inside is connect with guardrail beam 2 are hit by the strip groove design and upper bolt 301 of opening
The relaxation of connecting strand 303 after, is actively detached from guardrail beam 2 when fixed plate 304 being enable to be shaken, avoids to guardrail beam 2
Bending deformation impacts.
By the bolt connection of horizontal or vertical arrangement when bolt is horizontally disposed between upper bolt 301 and lower bolt 302
When, the axis of bolt is vertical with linear type girder 201, and upper bolt 301 rotates, Neng Gouxiang when colliding around bolt axis
After topple over, when using arrange vertically bolt when, upper bolt 301 and lower bolt 302 are coaxial, bolt strained when colliding
It pulls apart, upper bolt 301 is separated with lower bolt 302.
201 section of linear type girder of guardrail beam 2 be it is W-shaped, the surface of guardrail beam 2 is uniformly arranged hollow out along its length
Hole is designed by W-shaped section, and the bending resistance for promoting guardrail beam 2 absorbs more energy when occuring bending and deformation,
And can pre- protective fence beam 2 with guide portion 102 contact preceding deformation, to avoid the problem that sleeve 103 can not be passed through, hollow hole has
Help reduce the own wt of guardrail beam 2, consequently facilitating transport and reduction installation difficulty, and it is solid to be conveniently bolted installation
Fixed board 304.
When in use: the end of guardrail present invention being arranged in where direction to the car one end on both sides of the road, and answered when installation
Notice that the opening of arc panel is fixedly mounted towards the side outside road surface, and by lower bolt 302 and road bed, while at rear
The anchor pole for being fixedly connected with ground Yu guardrail beam 2 is arranged in guardrail beam 2, guardrail beam 2 is used to support, when vehicle frontal collision impact head
When 101 front end face, impact head 101 is driven to move back, travelled forward at this point, guardrail beam 2 is opposite with impact head 101, pulley 202 with
The radian face contact of guide portion 102, drive linear type girder 201 arcuately plate cambered surface carry out bending deformation, impact portions 1 are along straight
Line style girder 201 moves backward, and linear type girder 201 is stretched out and bent from the opening away from road side of impact head 101
Bending, and wind it is spiral, thus play the role of absorb energy, collision when, cross bar 104 is moved back with impact head 101, with
Upper bolt 301 is collided, and thin slice 305 is caused to tear, and is detached from sleeve 103 and upper bolt 301, and upper bolt 301 is driven to be turned under
Song avoids upper bolt 301 from colliding vehicle, and when guardrail beam 2 deforms, its own can shake, and force fixed plate 304 and shield
Column beam 2 generates relative motion, is detached from the strip groove of fastening bolt and fixed plate 304, to make fixed plate 304 and guardrail beam 2
It is detached from, the bending deformation to guardrail beam 2 is avoided to impact, even if vibration is insufficient to allow fixed plate 304 to be detached from, work as impact head
101 when moving back to 304 position of fixed plate, pushes fixed plate 304 to move back, fixed plate 304 and guardrail beam 2 can equally be detached from,
And in actual use, eye-catching prompt mark can be pasted in the front end face of impact head 101, facilitate reduction accident
Incidence.
The present invention is capable of the guardrail beam 2 of helix-deformed energy-absorbing using setting inside impact portions 1, solves vehicle frontal collision damage
Hurt more serious problem, while contact area, drop can be promoted by way of expanding 101 head-on crash area of impact head
The degree of injury of low position of collision, and guardrail beam 2 twist deforms after an impact, and occupied area is smaller, and in practical peace
In dress, by the opening of arc panel towards the mounting means on the outside of road surface, enable guardrail beam 2 to road outside sweep, Bu Huiying
The normal pass ability on road surface is rung, and the present invention is integrally all made of single metal material, when carrying out post-processing, is not necessarily to pair
Material carries out classification recycling, facilitates recycling and reusing.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of anticollision barrier end device for rotating energy-absorbing, including impact portions (1), guardrail beam (2) and support portion (3), special
Sign is: the impact portions (1) include impact head (101), and impact head (101) is inner hollow and opens away from the side on road surface tool
Sleeve (103) are arranged in the rear end of the shell of mouth, the impact head (101), and the guardrail beam (2) includes linear type girder (201)
With pulley (202), the linear type girder (201) is horizontally disposed and runs through sleeve (103), at the linear type girder (201)
It is fixedly connected in the internal one end of impact head (101) with the periphery of pulley (202), the support portion (3) includes vertical arrangement
And coaxial upper bolt (301) and lower bolt (302), the upper bolt (301) and lower bolt (302) are bolted, institute
It states upper bolt (301) to be fixedly connected with the outer wall of sleeve (103), lower bolt (302) is fixedly connected with road surface, the impact head
(101) position fixed setting guide portion (102) corresponding with linear type girder (201), the guide portion (102) inside front end
For the arc panel being bent outwardly, inner sidewall of the one end and sleeve of arc panel adjacent to road surface is smoothly connected, the other end of arc panel
It is directed toward the side for deviating from road surface.
2. the anticollision barrier end device of rotation energy-absorbing according to claim 1, it is characterised in that: the upper bolt
(301) thin slice (305) are arranged in side, and the thin slice (305) and sleeve (103) are fixedly mounted, impact portions (1) side edge
Cross bar (104) are fixedly installed in position in front of upper bolt (301)；The support portion (3) further includes fixed plate (304), described
Fixed plate (304) is connect by bolt with guardrail beam (2), and the fixed plate (304) is connected with close to the one end of impact portions (1)
It connects rope (303), the other end of the connecting strand (303) is connect with upper bolt (301)；Distinguish the two sides of the fixed plate (304)
Open-ended strip groove is set, the bar shaped channel opening towards one end close to impact portions (1), inside the strip groove setting with
The fastening bolt of guardrail beam (2) connection.
3. the anticollision barrier end device of rotation energy-absorbing according to claim 1, it is characterised in that: the upper bolt
(301) axis of bolt when bolt is horizontally disposed is connected by the bolt of horizontal or vertical arrangement between lower bolt (302)
Line is vertical with linear type girder (201).
4. the anticollision barrier end device of energy-absorbing is rotated described in any one of -3 according to claim 1, it is characterised in that: institute
State guardrail beam (2) linear type girder (201) section be it is W-shaped, the surface of the guardrail beam (2) is uniformly arranged along its length engraves
Emptying aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910107896.6A CN109653138A (en) | 2019-02-02 | 2019-02-02 | A kind of anticollision barrier end device rotating energy-absorbing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910107896.6A CN109653138A (en) | 2019-02-02 | 2019-02-02 | A kind of anticollision barrier end device rotating energy-absorbing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109653138A true CN109653138A (en) | 2019-04-19 |
Family
ID=66122282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910107896.6A Pending CN109653138A (en) | 2019-02-02 | 2019-02-02 | A kind of anticollision barrier end device rotating energy-absorbing |
Country Status (1)
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|---|---|
| CN (1) | CN109653138A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792053A (en) * | 2019-11-05 | 2020-02-14 | 韩英泉 | Elastic swing type collision-proof device for car collision |
| CN110984034A (en) * | 2020-03-03 | 2020-04-10 | 深圳市乾行达科技有限公司 | Trigger type energy absorption structure and long-distance energy absorption guardrail |
| CN114108527A (en) * | 2021-10-26 | 2022-03-01 | 杨金玲 | Highway is accident emergency treatment device for engineering |
| US11391006B2 (en) * | 2018-01-23 | 2022-07-19 | Valmont Highway International Pty Limited | Road safety rail systems and parts and fittings therefor |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2312948C1 (en) * | 2006-05-19 | 2007-12-20 | Закрытое акционерное общество "РемДорРус-Сервис" | Initial barricade part |
| CN201137049Y (en) * | 2007-12-18 | 2008-10-22 | 山东省威海至乳山高速公路工程项目建设办公室 | Waveform joist guard rail end head |
| CN201981497U (en) * | 2011-03-18 | 2011-09-21 | 交通运输部公路科学研究所 | Protective system of end of guardrail |
| JP5415641B1 (en) * | 2013-05-23 | 2014-02-12 | 貞男 網島 | Protection device such as rockfall |
| CN203782612U (en) * | 2014-04-26 | 2014-08-20 | 尚晋 | Novel half-shell collision energy attenuation device used on highway guardrail ends |
| CN203795348U (en) * | 2014-04-22 | 2014-08-27 | 北京道从交通安全科技股份有限公司 | Tubular crash cushion with guiding function |
| CN207211014U (en) * | 2017-08-10 | 2018-04-10 | 广州天翔建设工程有限公司 | Freeway guardrail termination collision energy attenuating device |
| KR101872271B1 (en) * | 2017-01-19 | 2018-08-02 | 강승구 | Road safety guard using guardrail |
| CN108532510A (en) * | 2018-06-28 | 2018-09-14 | 江苏国强镀锌实业有限公司 | One kind moving interim anticollision barrier |
| CN209619917U (en) * | 2019-02-02 | 2019-11-12 | 山东交通学院 | A kind of anticollision barrier end device rotating energy-absorbing |
-
2019
- 2019-02-02 CN CN201910107896.6A patent/CN109653138A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2312948C1 (en) * | 2006-05-19 | 2007-12-20 | Закрытое акционерное общество "РемДорРус-Сервис" | Initial barricade part |
| CN201137049Y (en) * | 2007-12-18 | 2008-10-22 | 山东省威海至乳山高速公路工程项目建设办公室 | Waveform joist guard rail end head |
| CN201981497U (en) * | 2011-03-18 | 2011-09-21 | 交通运输部公路科学研究所 | Protective system of end of guardrail |
| JP5415641B1 (en) * | 2013-05-23 | 2014-02-12 | 貞男 網島 | Protection device such as rockfall |
| CN203795348U (en) * | 2014-04-22 | 2014-08-27 | 北京道从交通安全科技股份有限公司 | Tubular crash cushion with guiding function |
| CN203782612U (en) * | 2014-04-26 | 2014-08-20 | 尚晋 | Novel half-shell collision energy attenuation device used on highway guardrail ends |
| KR101872271B1 (en) * | 2017-01-19 | 2018-08-02 | 강승구 | Road safety guard using guardrail |
| CN207211014U (en) * | 2017-08-10 | 2018-04-10 | 广州天翔建设工程有限公司 | Freeway guardrail termination collision energy attenuating device |
| CN108532510A (en) * | 2018-06-28 | 2018-09-14 | 江苏国强镀锌实业有限公司 | One kind moving interim anticollision barrier |
| CN209619917U (en) * | 2019-02-02 | 2019-11-12 | 山东交通学院 | A kind of anticollision barrier end device rotating energy-absorbing |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11391006B2 (en) * | 2018-01-23 | 2022-07-19 | Valmont Highway International Pty Limited | Road safety rail systems and parts and fittings therefor |
| US11629466B2 (en) | 2018-01-23 | 2023-04-18 | Valmont Highway International Pty Limited | Road safety rail systems and parts and fittings therefor |
| CN110792053A (en) * | 2019-11-05 | 2020-02-14 | 韩英泉 | Elastic swing type collision-proof device for car collision |
| CN110984034A (en) * | 2020-03-03 | 2020-04-10 | 深圳市乾行达科技有限公司 | Trigger type energy absorption structure and long-distance energy absorption guardrail |
| CN114108527A (en) * | 2021-10-26 | 2022-03-01 | 杨金玲 | Highway is accident emergency treatment device for engineering |
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