CN105862625A - Energy gathering guardrail plates and energy gathering beam anti-collision guardrail - Google Patents

Energy gathering guardrail plates and energy gathering beam anti-collision guardrail Download PDF

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Publication number
CN105862625A
CN105862625A CN201510688599.7A CN201510688599A CN105862625A CN 105862625 A CN105862625 A CN 105862625A CN 201510688599 A CN201510688599 A CN 201510688599A CN 105862625 A CN105862625 A CN 105862625A
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CN
China
Prior art keywords
cumulative
guardrail board
guardrail
helicity
spiral
Prior art date
Application number
CN201510688599.7A
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Chinese (zh)
Inventor
李建伟
Original Assignee
北京中交路成交通技术有限公司
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Application filed by 北京中交路成交通技术有限公司 filed Critical 北京中交路成交通技术有限公司
Priority to CN201510688599.7A priority Critical patent/CN105862625A/en
Publication of CN105862625A publication Critical patent/CN105862625A/en

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Abstract

The invention provides energy gathering guardrail plates and an energy gathering beam anti-collision guardrail. The energy gathering beam anti-collision guardrail comprises a plurality of guardrail units arranged transversely and sequentially. Each guardrail unit comprises a plurality of vertical columns which are vertically arranged at intervals and obstruction blocks installed on the vertical columns. Each energy gathering guardrail plate is installed on the corresponding obstruction block, is called an energy gathering beam for short and comprises a guardrail plate body. Each guardrail plate body is provided with an assembling surface for achieving guardrail plate installing. Two energy gathering bodies are symmetrically formed at the upper edge and the lower edge of each guardrail plate body and formed by inwards curling the upper edge and the lower edge of each guardrail plate body towards the side where the corresponding assembling surface is located. By means of the energy gathering guardrail plates, when a vehicle collides with a guardrail, the energy gathering bodies and the guardrail plate bodies are sufficiently deformed so as to absorb the kinetic energy of the vehicle.

Description

Cumulative guardrail board and cumulative beam anticollision barrier

Technical field

The present invention relates to a kind of cumulative guardrail board and cumulative beam anticollision barrier, it is adaptable to highway And urban road engineering.

Background technology

Anticollision barrier, as a kind of safety devices, plays important preventing to the traffic safety of road and bridge Protect effect.Usually, anticollision barrier mainly includes that stiff safety fence, semi-rigidity rail and flexibility are protected Three kinds of hurdle.Wherein, semi-rigidity rail is based on corrugated beam barrier and post and beam guardrail, wave beams Guardrail needs the deformation up and down relying on steel plate to absorb vehicle energy, and rolled steel dosage is big and view is imitated The poorest.The present inventor is at the open literary composition of patent of Application No. CN200910180462.5 Disclosing a kind of unicast beam guardrail board and single-wave beam steel guardrail in Ben, this unicast beam guardrail board includes The integrally guardrail board body of rolling and axially symmetric be distributed in the upper of guardrail board body Lower limb and identical two the cumulative bodies of structure, the cross section of this guardrail board body is curved, and two Individual cumulative body by the lower edges of guardrail board body respectively to the protrusion direction of guardrail board body to Internal coiling curling forms.

Summary of the invention

Present invention is primarily targeted at and provide a kind of cumulative being conducive to improving anti-collision effect to protect Breast board and cumulative beam anticollision barrier.

The invention provides a kind of cumulative guardrail board, including guardrail board body, this guardrail board body Have for realizing the fitting surface that described guardrail board is installed, the lower edges of described guardrail board body It is respectively facing side, described fitting surface place to curve inwardly.

Use said structure, owing to the lower edges of described guardrail board body is respectively facing described dress Join side, place, face to curve inwardly, when vehicle collides with the guardrail applying described guardrail board, In described guardrail board towards the aduncate part in side, described fitting surface place produce enough Resistance to deformation is elastic, so can carry out buffering and cutting down vehicle energy, and its deformation extends collision Time, to realize, anti-collision level is high, buffer capacity is strong and the profile advantage that the lines flow smoothly.

Preferably, the lower edges of described guardrail board body is respectively facing side, described fitting surface place The most curved/fold-line-shaped helix-coil, thus the lower edges at described guardrail board body is symmetrical Form two arcs/fold-line-shaped spiral cumulative body.

Use said structure, owing to being symmetrically formed two at the lower edges of described guardrail board body Arc/fold-line-shaped spiral cumulative body, when vehicle collides with the guardrail applying described guardrail board Time, the arc/fold-line-shaped spiral cumulative body being integrally formed at guardrail board lower edges produces enough Resistance to deformation is elastic, so can carry out buffering and cutting down vehicle energy, and its deformation extends collision Time, to realize, anti-collision level is high, buffer capacity is strong and the profile advantage that the lines flow smoothly.

Preferably, the described spiral unclosed setting of cumulative body, and the helicity of this cumulative body is more than Equal to 0.5, wherein, described helicity refer to the up/down edge of described guardrail board body because of arc/ The full circle that fold-line-shaped helix-coil is formed/circle number and the part not forming full circle/whole circle account for it Ratio in the case of forming full circle/whole circle is added gained sum.

Preferably, described spiral cumulative body is arc spiral cumulative body, described guardrail board body Cross section is in wave shape, and the crest of this waveform is towards convex in contrast to the direction of side, described fitting surface place Rise, and the common tangent of cylindrical that had of said two arc spiral cumulative body be positioned at described ripple Radius at peak peak is vertical.

Preferably, described waveform includes a crest and lives apart in a pair equidimension of these crest both sides Trough.

Preferably, described spiral cumulative body is fold-line-shaped spiral cumulative body, described guardrail board body Cross section be made up of several broken lines, and entirety is towards the side in contrast to side, described fitting surface place To projection.

Preferably, the cumulative body helicity of single segmental cumulative protective rail plate has entire body equal and not etc. two Plant, when the helicity two ends of described single segmental cumulative protective rail plate are not waited, adjacent two described cumulatives In guardrail board, one end that helicity is big one end overlap joint little with adjacent segment helicity is integrated peace Dress.

The invention allows for a kind of cumulative beam anticollision barrier, multiple including the most sequentially arrange Fence unit, each fence unit includes many root posts that vertical spacing arranges, is arranged on this and stands Obstruction block on post, this obstruction block is provided with aforementioned in arbitrary described cumulative guardrail board.

Preferably, when the helicity two ends of described single segmental cumulative protective rail plate are not waited, adjacent two In described cumulative guardrail board, one end that helicity is big one end overlap joint little with adjacent segment helicity is One is installed.

Use this structure, owing to adjacent two described cumulative guardrail board are different by helicity Two ends overlap joint connects, and is conducive to simplifying both attachment structures, it is possible to make both connection more step up Close.

Preferably, at adjacent two described cumulative guardrail board lapping ends, quantity phase is offered respectively Together and it is directed at the bolt hole of setting one by one, and these bolts hole symmetry centered by described column sets Put.

Use this structure, be conducive to improving the stable connection of adjacent two described guardrail board.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of a kind of cumulative beam anticollision barrier, for a kind of embodiment;

Fig. 2 is the sectional view of the cumulative guardrail board in Fig. 1, for first embodiment;

Fig. 3 is the front view of the cumulative guardrail board in Fig. 1, for first embodiment;

Fig. 4 be in Fig. 3 A-A to, B-B to sectional view;

Fig. 5 is the sectional view of a kind of cumulative guardrail board, is the second embodiment;

Fig. 6 is the sectional view of a kind of cumulative guardrail board, is the 3rd embodiment.

Detailed description of the invention

Referring to Fig. 1~Fig. 6 to cumulative guardrail board of the present invention and cumulative beam anticollision barrier It is described in detail.In described below, described helicity refers to the up/down limit of guardrail board body The full circle that edge is formed because of arc/fold-line-shaped helix-coil/whole circle number with do not form full circle/whole The part of circle accounts for its ratio in the case of forming full circle/whole circle and is added gained sum, such as, spiral shell When curl minima is 0.5, i.e. the up/down edge coils of guardrail board body is curled into semicircle/half Coil structures;When helicity is 1, i.e. the up/down edge coils of guardrail board body be curled into one whole Circle/whole coil structures;When helicity is 1.25 or 1.75, the up/down edge of corresponding guardrail board body Helix-coil becomes a full circle/whole circle to add four/a circle/coil structures, or, full circle/whole Circle adds four/tri-circle/loop mechanisms, the like.

Cumulative beam anticollision barrier of the present invention generally includes along highways and urban roads or bridge Length direction order arrange multiple fence units, assembled between adjacent two fence units Connect.As it is shown in figure 1, each fence unit include many root posts 1 that vertical spacing arranges, It is assemblied in the obstruction block 2 on this column 1, is assemblied in this obstruction block 2 and deviates from the of column 7 side One guardrail board 3 (constituting cumulative guardrail board of the present invention).As shown in Fig. 1~2, first protects Breast board 3 includes the first guardrail board body 31 of one rolling, in the present invention, protects first The one side matched with obstruction block 2 of breast board body 31 is defined as its fitting surface, the first guardrail board The cross section of body 31 in towards the arc protruding in contrast to the direction of side, fitting surface place, The spiral shell of circle or ellipse is generally symmetrical offered on the arc convex of the first guardrail board body 31 Keyhole, generally utilizes bolt 4 to run through this bolt hole and the first guardrail board 3 is fastened on obstruction block 2 On.

On the first guardrail board body 31 thereon lower limb to be symmetrically formed two structures identical, straight The first cumulative body 32 that footpath is equal, the two the first cumulative body 32 is by the first guardrail board body 31 Lower edges be respectively facing (that is the first guardrail board body 31 projection side, side, fitting surface place To opposition side) to arc helix-coil formed two full circle, i.e. helicity be 2.0.As Shown in Fig. 2, in above-mentioned two the first cumulative body 32, each first cumulative body 32 transversal Face is tube-in-tube structure, and the steel pipe that will be located in inside is defined as the first steel pipe, will be located in outside Steel pipe is defined as the second steel pipe, and in above-mentioned tube-in-tube structure, the first steel tube place is little at inner circle radius In the second steel tube place at the 50% of exradius, the tube wall of the first steel pipe and the second steel pipe is close The fitting surface side of the first guardrail board body 31 has a common sections, and the first steel tube place formed interior Circle is inscribed within the cylindrical that the second steel tube place is formed.

Especially, in the present invention, the cumulative body helicity of single segmental cumulative protective rail plate has entire body phase Deng and not wait two kinds, wherein, entire body is equal refers to the whole length in single segmental cumulative guardrail board Upper cumulative body helicity is identical, and entire body etc. does not refers to the cumulative body at single segmental cumulative guardrail board two ends Helicity is different.As a kind of citing rather than restriction to the first guardrail board 3, single segmental first The two ends helicity of guardrail board 3 is unequal, and the end of adjacent two the first guardrail board 3 is superimposed Overlap joint arranges and is connected with obstruction block 2 assembled, specifically, and first guardrail board wherein The end of 3 is axially pointed to the cumulative body of lower edges and carries out being inwardly indented the sanction of 32mm along it Cutting, the mode that cuts used makes both of the aforesaid cumulative body become semicircular warp architecture, makes The lower edges of the first guardrail board 3 forms cross section in towards in contrast to side, fitting surface place The protruding arc in direction and the two edges up and down of guardrail board body towards side, fitting surface place The duct member tangent plane structure of direction bending, is constituted the first guardrail board 3 by this duct member tangent plane structure Male joint, the helicity of this male joint is slightly smaller;The end of another the first guardrail board 3 keeps Constant, thus constitute female joint, the helicity of this female joint is bigger than male joint.At adjacent two Offer respectively in the superimposed place of pin and box sub in first guardrail board 3 quantity identical and one by one alignment set The bolt hole put, and these bolts hole are symmetrical arranged centered by column 1.Under installment state, The male and female joint of adjacent two the first guardrail board 3 is superimposed, and the bolt being correspondingly arranged Hole alignment is arranged, and screw 4 sequentially passes through the bolt hole of alignment and is tightened on obstruction block 2, by This end realizing adjacent two the first guardrail board 3 is connected with obstruction block 2 assembled.

Further, in above-mentioned two the first cumulative body 32, internally positioned two first The arc midpoint that the common tangent of steel pipe and the cross section being positioned at the first guardrail board body 31 are formed Radius vertical, in like manner, the common tangent of two externally-located the second steel pipes be positioned at aforementioned arc The radius at shape midpoint is vertical.Further, in above-mentioned two the first cumulative body 32, it is positioned at Two internal the first steel tube place line between the center of circle of inner circle be positioned in aforementioned arc The radius of point is vertical, and in like manner, two externally-located the second steel tube place are between the center of circle of cylindrical Line the most vertical with the radius being positioned at aforementioned arc midpoint.

First guardrail board body 31 of the first guardrail board 3 shown in Fig. 2 and two the first cumulative bodies 32 are generally formed by the rectangle steel plate one rolling of same equal thickness, but are not limited to This, this first guardrail board 3 forms also by the steel plate one rolling that two ends width is different.Fig. 3 Shown in be utilize two ends width different steel plate one rolling the first guardrail board 3, as figure Shown in 3 and Fig. 4, the two ends of the first guardrail board 3 made by this steel plate are used to have different Cross section, is formed the cross section shown in B-B in Fig. 4 by the steel plate of the big one end of width, itself and Fig. 2 institute Show that structure is identical;The cross section shown in A-A in Fig. 4 is formed, at this by the steel plate of the little one end of width The two edges up and down planting guardrail board main body do not form a complete cumulative body, this guardrail board main body Mid portion is towards protruding in contrast to fitting surface side, and its upper and lower two edges are towards fitting surface institute At lateral buckling.

Particularly as another kind of embodiment, the first guardrail board also overall can use cross section for figure Structure shown in A-A in 4, thus form a kind of new cumulative guardrail board, this cumulative guardrail board The mid portion of cross section in towards the arc protruding in contrast to the direction of side, fitting surface place, its Two edges bend towards the direction of side, fitting surface place up and down.

Use the first guardrail board 3 shown in Fig. 2, vehicle with include protecting of this first guardrail board When hurdle collides, the first cumulative body 32 being positioned at the first guardrail board body 31 lower edges is subject to Power can suitably be opened and deform, thus quickly absorbs vehicle energy.It addition, the first guardrail board The cross section of main body 31 is curved, and the overall appearance making the first guardrail board 3 is neat and artistic, profile The lines flow smoothly.

Fig. 5 show the sectional view of another kind of cumulative guardrail board, is the second embodiment.Fig. 5 institute Show that the second guardrail board with the main distinction of the first guardrail board shown in Fig. 2 is: the second guardrail board 6 The cross section of the second guardrail board body 61 is in wave shape, and this waveform includes a crest 63 and symmetry point Occupy the trough 64 that a pair structure of these crest 63 both sides is identical, and crest 63 towards in contrast to The direction of side, fitting surface place is protruding;It is positioned at two of the second guardrail board body 61 lower edges The second unclosed setting of cumulative body 62.In the present embodiment, at obstruction block 2 shown in Fig. 2 The side opposite with the second guardrail board 6 forms the bulge-structure suitable with crest 63, only The bolt hole of circle or ellipse is offered symmetrically at the crest of the second guardrail board body 61, Generally utilize screw 4 shown in Fig. 1 to run through this bolt hole and the second guardrail board 6 is fastened on obstruction block On the bulge-structure of 2, and then make the second guardrail board 6 form assembled with obstruction block 2 to be connected.

In two the second cumulative bodies 62, two externally-located the second steel tube place are at cylindrical Wherein a common tangent is tangent with the peak of crest 63, and the former midpoint and crest 63 Midpoint overlaps, the cross section of their another common tangent and the second guardrail board body 61 in Waveform is non-intersect, and the datum line of the former with the latter is parallel;In like manner, internally positioned two First steel tube place a common tangent of inner circle and the second guardrail board body 61 cross section institute in The datum line of waveform coincides or parallel, their another common tangent and forementioned waveform not phase Hand over, and the datum line of the former with the latter is parallel.

Use the second guardrail board 6 shown in Fig. 5, due to the cross section of the second guardrail board body 61 In centre towards the two ends in contrast to its side, fitting surface place projection towards its side, fitting surface place Recessed waveform, and only this second guardrail board body 61 intermediate peak part with deter packaged Join formula to connect, when vehicle collides with the guardrail including this second guardrail board, be positioned at second Second cumulative body 62 of guardrail board body 61 lower edges can become towards outside in the vertical direction Shape, quickly to absorb vehicle energy, and then plays preferably cushioning effect to vehicle;Meanwhile, Second cumulative body 62 of unclosed setting crimps, and is possible to prevent because impact force is excessive from guardrail The upper and lower sides of plate body tears guardrail board, and this second cumulative body 62 can suitably be opened again, thus Quickly absorb vehicle energy.It addition, this Waveform Design of the 3rd guardrail body 61 not only may be used With classification buffering release vehicle energy, and, vehicle can also be travelled and play relatively by this design Good guide effect.It addition, as shown in Figure 6, it is positioned at the two of the second guardrail board 6 lower edges The helicity of individual second cumulative body 62 is about 1.5~1.75.

Fig. 6 show the sectional view of another kind of cumulative guardrail board, is the 3rd embodiment.Fig. 6 institute Show that the 3rd guardrail board with the main distinction of the second guardrail board shown in Fig. 5 is: the 3rd guardrail board 5 Lower edges curls into 3/4 circular configuration of approximation, is i.e. positioned in the 3rd guardrail board 5 below The helicity of two the 3rd cumulative bodies 52 of edge is about 0.75;Both of the aforesaid the 3rd cumulative body 52 Common tangent and the peak of crest of the 3rd guardrail board 5 tangent, and the former midpoint is with aforementioned The midpoint of crest overlaps.It addition, the mounting means of the 3rd guardrail board 5 protects with shown in Fig. 5 second Breast board is identical, therefore does not repeats at this.

Cumulative guardrail board shown in above-mentioned Fig. 2, Fig. 5~Fig. 6 is two-tube guardrail board, at Fig. 1 In illustrated embodiment, on column 1 and obstruction block 2, only it is equipped with monolayer guardrail board, but also It is not limited to this, also can assemble two layers, three layers or more layers on column 1 and obstruction block 2 and protect Breast board, and this multilamellar guardrail board is spaced setting in the vertical direction.Furthermore it is possible to according to crashproof The needs of grade, to the number of plies of cumulative guardrail board in the various embodiments described above and cumulative guardrail board In width and each cumulative body, the first steel pipe and the second steel tube place are in inner circle and the size of cylindrical Carry out classification setting, wherein, anti-collision level be respectively B level, A level, SB level, SA level and SS level.

Use the cumulative guardrail board of various embodiments of the present invention and cumulative beam anticollision barrier, when car with should When guardrail collides, the cumulative physical ability being integrally formed at cumulative guardrail board lower edges absorbs car Kinetic energy, so can carry out buffering and eliminating vehicle energy, extend collision time, very Protecting driver and conductor well, such that it is able to overcome, anti-collision level in prior art is low, buffer capacity The inaesthetic defect of weak and profile, to realize, anti-collision level is high, buffer capacity is strong and profile lines Smooth advantage.Simultaneously as cumulative body is respectively facing dress by the lower edges of guardrail board body Joining the lateral internal coiling curling of place, face to form, when car collides with guardrail, vehicle directly hits Hit the side that cumulative body is connected with guardrail board body one, it is to avoid vehicle directly clashes into cumulative body Unclosed side, ensure to avoid in the case of crashproof ability cumulative body open amplitude excessive and cannot Reset even gross distortion.

The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all Within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, all Within protection scope of the present invention should being included in.

Such as, in the above-described embodiments, the helicity of the first cumulative body is 2, the second cumulative body The helicity of 62 is about 1.5~1.75, and the helicity of the 3rd cumulative body 52 is about 0.75, but It is not limited to this, as long as the helicity of cumulative body of the present invention meets more than or equal to 0.5 i.e. Can, it is not limited to above-mentioned listed value, such as, the cumulative body in the first to the 3rd embodiment Helicity can be also the arbitrary value in 1,1.25,2.5 etc..

It addition, in the above-described embodiments, the first to the 3rd cumulative body is towards fitting surface place The arc spiral cumulative body of curved helix-coil in lateral, the first guardrail board body is towards far The arc protruding from side, fitting surface place, second and the 3rd guardrail board body be waveform;But also Being not limited to this, the first to the 3rd cumulative body also can be laterally interior in folding towards fitting surface place The fold-line-shaped spiral cumulative body of linear helix-coil, the first to the 3rd guardrail board body is by without several It is protruding that broken line composition entirety are directed away from side, fitting surface place.

Claims (10)

1. a cumulative guardrail board, including guardrail board body, this guardrail board body have for Realize the fitting surface that described guardrail board is installed, it is characterised in that described guardrail board body upper and lower Edge is respectively facing side, described fitting surface place and curves inwardly.
Cumulative guardrail board the most according to claim 1, it is characterised in that described guardrail The lower edges of plate body is respectively facing described fitting surface place laterally interior curved/fold-line-shaped spiral shell Circumvolution is bent, and thus the lower edges at described guardrail board body is symmetrically formed two arc/fold-line-shapeds Spiral cumulative body.
Cumulative guardrail board the most according to claim 2, it is characterised in that described spiral The unclosed setting of cumulative body, and the helicity of this cumulative body is more than or equal to 0.5, wherein, described Helicity refers to that the up/down edge of described guardrail board body is because of arc/fold-line-shaped helix-coil institute shape Full circle/circle the number become and the part not forming full circle/whole circle account for it and are forming full circle/whole circle feelings Ratio under condition is added gained sum.
4. according to the cumulative guardrail board described in Claims 2 or 3, it is characterised in that described Spiral cumulative body is arc spiral cumulative body, and the cross section of described guardrail board body is in wave shape, should The crest of waveform is protruding towards the direction in contrast to side, described fitting surface place, and said two arc The common tangent of the cylindrical that shape spiral cumulative body is had be positioned at half at described crest peak Footpath is vertical.
Cumulative guardrail board the most according to claim 4, it is characterised in that described waveform bag Include a crest and live apart in a pair equidimension trough of these crest both sides.
6. according to the cumulative guardrail board described in Claims 2 or 3, it is characterised in that described Spiral cumulative body is fold-line-shaped spiral cumulative body, and the cross section of described guardrail board body is rolled over by several Line forms, and entirety is protruding towards the direction in contrast to side, described fitting surface place.
Cumulative guardrail board the most according to claim 3, it is characterised in that single segmental cumulative The cumulative body helicity of protective rail plate has entire body equal and not etc. two kinds, described single segmental cumulative guardrail The helicity two ends of plate not wait time, in adjacent two described cumulative guardrail board, helicity big one One end overlap joint little with adjacent segment helicity is held to be integrated installation.
8. a cumulative beam anticollision barrier, including multiple fence units that laterally order is arranged, It is characterized in that, each fence unit includes many root posts that vertical spacing arranges, is arranged on this Obstruction block on column, is provided with arbitrary described gathering in claim 1~7 on this obstruction block Can guardrail board.
Cumulative beam anticollision barrier the most according to claim 8, it is characterised in that described When the helicity two ends of single segmental cumulative protective rail plate are not waited, adjacent two described cumulative guardrail board In, one end that helicity is big one end overlap joint little with adjacent segment helicity is integrated installation.
Cumulative beam anticollision barrier the most according to claim 8, it is characterised in that in phase Offer respectively at adjacent two described cumulative guardrail board lapping ends quantity identical and one by one alignment set The bolt hole put, and these bolts hole are symmetrical arranged centered by described column.
CN201510688599.7A 2015-10-21 2015-10-21 Energy gathering guardrail plates and energy gathering beam anti-collision guardrail CN105862625A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106522091A (en) * 2016-11-17 2017-03-22 中安安轩安全产业发展有限公司 Highway tubular wavy beam guardrail plate and tubular wavy beam guardrail

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201314033Y (en) * 2008-08-18 2009-09-23 李建伟 Prestressed road-and-bridge barrier transition bean
CN101761045A (en) * 2008-12-22 2010-06-30 李建伟 Single wave beam guardrail plate and single wave beam steel guardrail
CN202644449U (en) * 2012-06-20 2013-01-02 北京中通路科技有限公司 Single wave beam steel guardrail
CN102979051A (en) * 2012-08-30 2013-03-20 北京中通路科技有限公司 Double-layer single-wave beam steel guardrail
CN205171419U (en) * 2015-10-21 2016-04-20 北京中交路成交通技术有限公司 It can roof beam anticollision barrier to gather ability guardrail board and gather

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201314033Y (en) * 2008-08-18 2009-09-23 李建伟 Prestressed road-and-bridge barrier transition bean
CN101761045A (en) * 2008-12-22 2010-06-30 李建伟 Single wave beam guardrail plate and single wave beam steel guardrail
CN202644449U (en) * 2012-06-20 2013-01-02 北京中通路科技有限公司 Single wave beam steel guardrail
CN102979051A (en) * 2012-08-30 2013-03-20 北京中通路科技有限公司 Double-layer single-wave beam steel guardrail
CN205171419U (en) * 2015-10-21 2016-04-20 北京中交路成交通技术有限公司 It can roof beam anticollision barrier to gather ability guardrail board and gather

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106522091A (en) * 2016-11-17 2017-03-22 中安安轩安全产业发展有限公司 Highway tubular wavy beam guardrail plate and tubular wavy beam guardrail

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