CN101139827B - Highway trackside rigid barrier disintegration energy-absorbing shield protecting device - Google Patents

Highway trackside rigid barrier disintegration energy-absorbing shield protecting device Download PDF

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Publication number
CN101139827B
CN101139827B CN2007102023135A CN200710202313A CN101139827B CN 101139827 B CN101139827 B CN 101139827B CN 2007102023135 A CN2007102023135 A CN 2007102023135A CN 200710202313 A CN200710202313 A CN 200710202313A CN 101139827 B CN101139827 B CN 101139827B
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China
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energy
steel
absorbing
rigid barrier
guardrail
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CN2007102023135A
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Chinese (zh)
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CN101139827A (en
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曲涛
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曲涛
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Publication of CN101139827B publication Critical patent/CN101139827B/en

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Abstract

An endoergic shield protection device through roadside rigid obstacles decomposition for highway is provided, which comprises a protection shield panel being arranged in the front end against vehicle-coming direction; both sides of the back of the protection shield panel are respectively connected with ends of one line of steel sheet guardrail; the other end of the steel sheet guardrail is fixed to connect with rigid or concrete obstacles in the rear; on the protection shield panel, two lines of steel sheet guardrails and the rigid or concrete obstacles are closed to form a space to hold an endoergic mechanism; each stage of the endoergic mechanism is composed of a steel truss in parallel in the rear of the protection shield panel; at least two of all stages of the endoergic mechanism arefixed in an endoergic box on the ground in front of the rigid or concrete obstacles; each endoergic box comprises a reel of steel tape; each endoergic box corresponds with one steel rope; the front end of the steel rope is wound around a reverse pulley and connected with a steel truss; the rear end of the steel rope is connected with the steel tape. The invention can prevent out-of-control vehicles from directly crashing into dangerous rigid obstacles; meanwhile, drivers and passengers are protected from being injured via too much impacts.

Description

The highway trackside rigid barrier disintegration energy-absorbing shield protector

(1) technical field

The present invention relates to a kind of protector of highway traffic safety, particularly rigidity such as cement concrete barrier disintegration energy-absorbing safety device.

(2) background technology

The World Health Organization's result of study in 2004 shows, road traffic accident is much more serious than railway, air crash, the death toll that causes is far more than war, about 1,200,000 people of annual road traffic death toll, cause wounded or disabled about 5,000 ten thousand people, the economic loss that causes accounts for 1% to 3% of various countries G D P.For this reason, national governments are invariably preventing and reducing traffic accident as important target in power.In China, along with the develop rapidly of highway construction and the arrival of automotive society, traffic safety also becomes the subject under discussion that government and street levels is concerned about day by day.It is global 2% that China's automobile pollution accounts for, but that road fatalities accounts for is global 10%, high for many years ranking first in the world.In recent years, death toll surpasses 100,000 people for several years running, and average every day, dead 300 people were equivalent to have every day an airline carriers of passengers accident.Security incident has caused heavy losses to people's lives and properties, has brought huge grief for injures and deaths person family members, and also to China's socio-economic development, highway foundation Facilities Construction and international fame cause very big negative effect.Calculate if account for 1% the lowest mode of GDP by the loss of developing country road traffic accident, China's GDP total amount is about 20 trillion yuan, and annual road traffic accident economic loss is about 2,000 hundred million yuan." highway safety guarantee " engineering that Ministry of Communications implemented to be the theme with " removing a hidden danger, value life " at national state provincial trunk highway since 2003, transform in, trackside strategically located and difficult of access highway section bad to the sharp turn in state's provincial trunk highway, abrupt slope, sighting distance, by setting up steel or concrete anticollision barrier, set up sign board, security protection facilities such as highway alignment induction sign are set, improve the safety of highway driving.Simultaneously, some new design concepts and facility are also proposed successively.

As everyone knows, all be provided with a large amount of rigidity such as cement concrete obstruction on speedway or other standard highway, generally, its lofty cement concrete obstruction end without safe handling is indivisible, is breakneck for vehicular traffic.When pavement behavior bad, the errant vehicle that sleety weather road cunning causes, the burst emergency is carried out vehicle and is dodged, or sails into when trackside is unfortunate to bump against these dangerous rigid barriers because of driver driving is tired, can cause Che Neisi to drive personnel's injures and deaths and property loss.So, consider that highway becomes the task of top priority of " highway safety guarantee " engineering with the safety and Protection and the treating apparatus of rigidity such as cement concrete obstruction.

(3) summary of the invention

The objective of the invention is to propose a kind of highway trackside rigid barrier disintegration energy-absorbing shield protector, when solving errant vehicle and hitting rigid barrier, cause vehicle to topple because of it is indivisible and human body bears too that large impact power causes occupant injury or deadly serious problems.Briefly, the present invention mainly solves a problem: but promptly solve the problem of the disintegration energy-absorbing protector under rigidity such as cement concrete obstruction front design and installation predetermined strength.

Technical scheme of the present invention:

This highway trackside rigid barrier disintegration energy-absorbing shield protector, comprise steel guardrail 2 and coupled column 4, it is characterized in that: the front end face of this device is provided with protection shield panel 1 to direction to the car, protection shield back side of panel both sides are connected with a row steel plate guardrail end respectively, the other end of two row steel guardrails is fixedlyed connected with rigid barrier 17 both sides at rear respectively, steel guardrail 2 is that the guardrail lath side pressure outside of leading portion is lived the guardrail lath of back segment and is connected with column 4 by bolt by sectional overlapping linking to each other of guardrail lath head and the tail.

In the space that protection shield panel 1, two row steel guardrails 2 and rigid barrier 17 are enclosed, be provided with one to the two-stage energy absorber; Every grade of energy absorber has a parallel steel truss 3 that is located at protection shield panel 1 rear; Have two in every grade of energy absorber at least and be fixed on rigid barrier 17 the place aheads energy-absorbing box 5 above the ground, have in each energy-absorbing box 5 coil around steel band 9, steel band 9 the inners are fixed in the energy-absorbing box, stretch out outside the energy-absorbing box steel band 9 outer ends; Each energy-absorbing box 5 corresponding cable wire 7, the front end of cable wire 7 is walked around reverse pulley 8 and is connected in steel truss 3, and the rear end of cable wire 7 is connected with steel band 9, and oppositely pulley 8 is fixedlyed connected with ground respectively with steel truss.

The energy-absorbing box 5 of above-mentioned energy absorber, cable wire 7 and reverse pulley 8 can place the ground groove 13 that protects.

The front end of above-mentioned cable wire 7 can be connected by the bottom of anchor bolt 6 with steel truss 3, and the rear end of cable wire 7 can be connected with steel band 9 by attachment bolt 14.

Above-mentioned reverse pulley 8 is by the concrete side of fixing on the ground.

Above-mentioned energy-absorbing box 5 can be fixedlyed connected with rigid barrier 17 by grappling steel plate 10, and energy-absorbing box 5 is also fixedlyed connected with place concrete anchor block 11 below ground.

Above-mentioned energy-absorbing box 5 can be provided with the roller pin 16 of at least one pair of interlaced arrangement in the exit of steel band 9, pass the slit of steel band 9 between roller pin 16 to reach outside the energy-absorbing box 5.

Above-mentioned guardrail lath has horizontal bolt slotted hole at the overlapping connecting place of head and the tail.

Above-mentioned protection shield panel 1 can be rectangle, circle, ellipse, trapezoidal, triangle or peltate, on the protection shield panel 1 the traffic alarm sign can be arranged.

Above-mentioned protection shield panel 1 can be composited by steel plate and plastic coat.

Above-mentioned column 4 can be steel, its cross section is I-shaped, king's font, hollow circle or rectangle, column 4 bottoms more than ground and/or below ground be distributed with through hole 12, above-mentioned column embeds surface soil layer, or is connected by flange and bolt and cement concrete ground.

Operating principle of the present invention: for highway rigid barrier disintegration energy-absorbing shield protector can being disintegrated rapidly when being clashed into by errant vehicle and absorbing certain impact energy; thereby protection occupant's life security; must install an impact face that has the shield function in the end; its shield collision contact area is wanted enough big and is ensured definite shape and quality; under Vehicular impact; this impact face is moved backward and the guardrail at rear, termination and column is disintegrated or surrender; and prevent that the ground residual fraction from tangling the vehicle bottom and causing overturning; the simultaneously inboard energy-absorbing box that has energy-absorbing function discharges steel band 9 with certain active force under steel truss 3 and cable wire 7 pullings, thereby vehicle slows down gradually and stops.This disintegration or yield strength depend on the factor of three aspects. the one, and the size of the structure design of energy-absorbing box, release action power and corresponding steel band intensity; The 2nd, the structure of column, material, shape, size, number, buried depth and mounting means; The 3rd, the manufacturing materials of column and processing technology.On the other hand, when considering that column can be separated bulk properties, also must take into account the allomeric function requirement of steel guardrail, guarantee to possess under the collision in the side direction 20 degree angles fundamental strength and the rigidity of steel guardrail, corrosion resistance is installed, convenience and outward appearance and the saving material etc. safeguarding and replace.

For the purpose of simple declaration, regard errant vehicle as particle that quality is m, the speed before the bump shield protector is v 0Errant vehicle promptly contacts and spurs cable wire with first steel truss after the bump impact face, evenly discharge steel band at the energy-absorbing box under with the predetermined pull effect, vehicle bumps with first row, second row, n row column thereupon, contact and spur corresponding cable wire with second steel truss therebetween, whole process is the set of uniformly retarded motion and fixed point retarded motion.Vehicle the energy-absorbing box with the predetermined pull effect under and constantly in the collision process, progressively off-energy and speed are until stopping dump energy and the speed v of this moment nBe zero.

According to kinetic energy conservation, principle of conservation of momentum and variable accelerated motion formula, the vehicle energy attenuation can be used following equation expression:

ΔS 1=mv 0 2/2-mv 1 2/2…-mv n n/2(1)

In sum, the shape and the area of collision protection shield panel, with the energy-absorbing box is the design of the truss energy absorber of core, and first become the key component of this device design to the column yield strength of n root or shear strength, and yield strength or shear strength are directly relevant with active force.If the fracture of truss energy absorber and column or yield strength or ballistic work are low excessively, promptly be easy to be severed or surrender, then sever or surrender the back vehicle and still can keep very high speed v 2, danger also will occur in bump next time, and in other words, truss energy absorber and column do not play good energy-absorbing function in this case; Otherwise, if the breaking strength or the yield strength of truss energy absorber and column are excessive, be difficult for being severed or energy excessive in the energy loss of this point, deceleration in the collision process can cause the occupant to come to harm, also improper. from the angle of acceleration, the occupant generally can bear and be not more than 20 G (=9.8 meter per seconds 2) acceleration of gravity.Suppose generally speaking, although stepped on brake, v 1Still can reach the 27-33 meter per second,, work as v if be 0.2 second action time 2=0 o'clock, the occupant just may bear up to the acceleration more than up to a hundred the G, and hit wall and was as good as.If by truss energy-absorbing mechanism one by one with sever column mechanism, then acceleration just can be reduced to safe scope.

There is protection shield panel in the front of this device front end direction to the car, protection shield panel rear and both sides steel guardrail fuse, the overlapping rear steel guardrail of pushing down of the place ahead steel guardrail ecto-entad, the rear end of this device is connected with the obstruction end, and both sides are formed by connecting by steel guardrail and the column that is provided with through hole; Device is inner lays the energy-absorbing box that has the rolling steel band by cable wire, reverse pulley and the built-in steel truss composition energy absorber that is connected as a single entity.When being subjected to positive bump, the front end protection face board rearward surrenders guardrails of both sides and column by bump, built-in energy absorber stops vehicle gradually simultaneously, avoid errant vehicle directly to bump and cause injury, make simultaneously that driver and passenger are unlikely to bear excessive impact injury the passenger with dangerous rigid barrier.The present invention is from people-oriented; the theory of life first is set out; this rigid barrier disintegration energy-absorbing shield protector is suitable for each standard highway and bridge; all rigid barrier protectors all should be designed to separate body structure and have predefined just right fracture or yield strength; when errant vehicle bumps with it; the present invention can separate the impact energy that body structure can be subdued the collision vehicle step by step; make the collision vehicle underspeed suitably and stop safely, thereby play driving staff's life in the protection car and reduce the effect of vehicle property loss.

(4) description of drawings

The present invention will be further described in detail below in conjunction with accompanying drawing.

Fig. 1 is a plan structure schematic diagram of the present invention.

Fig. 2 is a side-looking structural representation of the present invention.

Fig. 3 is a Facad structure schematic diagram of the present invention.

Fig. 4 is the schematic diagram of peltate protection shield panel.

Fig. 5 is the schematic diagram of rectangle protection shield panel.

Fig. 6 is the schematic diagram of oval protection shield panel.

Fig. 7 is the schematic diagram of trapezoidal protection shield panel.

Fig. 8 is the schematic diagram of triangle protection shield panel.

Fig. 9 is the schematic diagram of square tube shape cross section column.

Figure 10 is the schematic diagram of tubular cross section column.

Figure 11 is the schematic diagram of king's font cross section column.

Figure 12 is the schematic diagram of I-shaped cross section column.

Figure 13 is the schematic diagram of column underpunch.

Figure 14 is an energy-absorbing box structural representation.

Reference numeral: 1-protection shield panel, 2-steel guardrail, 3-steel truss, 4-column, 5-energy-absorbing box, 6-anchor bolt, 7-cable wire, the reverse pulley of 8-, 9-steel band, 10-grappling steel plate, 11-concrete anchor block, 12-through hole, 13-protect groove, 14-attachment bolt, another steel truss of 15-, 16-roller pin, 17-rigid barrier.

(5) specific embodiment

Embodiment is referring to Fig. 1,2,3, the scheme that this new highway of the present invention adopts the bilayer protection shield panel 1 of plastic cement and steel combination to contact with collision vehicle generating plane with protective equipment, under the positive effect of impact of automotive, protection shield panel 1 contacts with car body, move backward and the steel guardrail 2 at rear, termination and column 4 are disintegrated or surrender, and prevent that the ground residual fraction from tangling the vehicle bottom and causing overturning, the inboard simultaneously energy-absorbing box 5 that has energy-absorbing function discharges steel band 9 with predetermined opposition under steel truss 3 and cable wire 7 pullings, consume the Vehicular impact energy, thereby vehicle slows down gradually and stops, subdue vehicle energy step by step, driver and passenger are unlikely to bear excessive injury thereby make.

But shape, structure, size and the installation design of the following disintegration energy-absorbing of case study on implementation proposition of the present invention mechanism.

Fig. 1,2,3 is a rigid barrier disintegration energy-absorbing shield protector overall construction design schematic diagram, and total length is about 2 meters to 20 meters, and concrete length depends on road quality classification and requirement of shelter.Mainly be made up of three parts: first is a protection shield panel 1, and second portion is general steel plate guardrail 2 and column 4, and third part is an energy absorber.

The protection shield panel 1 of first should be plastic cement and steel double face slab, links to each other with bolt or rivet, and protection shield panel front has black yellow alternate traffic alarm and identifies reflective pad pasting.Referring to Figure 48, protection shield panel-shaped can be shield type, rectangle, square, circle, ellipse, triangle or trapezoidal, and the surface is covered with antirust coat, skin of paint or coating antirust coat.The steel panel width W is 30 centimetres to 150 centimetres, highly is 40 centimetres to 100 centimetres, and steel plate thickness is 0.5 centimetre to 5 centimetres, and plastic cement thickness is 0.5 centimetre to 5 centimetres.The effect of plastic coat is when vehicle contacts with the panel collision, can increase frictional force, retrains and control the collision application point and the direct of travel of vehicle better, prevents to jump on application point sideslip and the car body.Shield shape protection face board should possess enough bulk strengths, and remarkable distortion, cracked and disintegration do not take place under the positive high speed impact of the vehicle that has huge energy.

The steel guardrail 2 of second portion and column 4 are referring to Fig. 1,2.Every section steel guardrail length is about 100 centimetres to 200 centimetres, at the steel guardrail recess two strip hollow outs is arranged, and forms horizontal bolt slotted hole.Use bolt that the front and back guardrail is linked to each other with column at two hollow out positions.The hollow out guardrail can slide backward along the bolt place under effect of impact, up to column surrender or disintegration.The column 4 of second portion is used for supporting steel plate guardrail 2.Referring to Figure 91 2, the column of guardrail can be wooden or steel, and wooden column cross-section shape can be square or rectangular; Steel column cross-section shape can be I shape, king's font, hollow round and open squares or rectangle.The part that column bassets should be contour or close with general steel plate fence upright height, highly is 60 centimetres to 150 centimetres, and concrete shape of cross section is referring to the special column schematic diagram of steel guardrail.The column transverse bending strength will reach the transverse bending strength of general steel plate fence upright.Be furnished with single row or multiple rows through hole 12 in column 0 centimetre to the 20 centimetres eminence of basseting, bury 2 centimetres to the 20 centimetres degree of depth at the column underground and be furnished with single row or multiple rows through hole 12, as holing in the i iron both sides of the edge, the aperture is 1 centimetre to 3 centimetres, its objective is the vertical flexural strength that reduces herein, when column top was subjected to longitudinal impact, column was surrendered herein or is ruptured, column after the surrender is low as far as possible backward, thereby does not tangle vehicle bottom and influence the vehicle movement track.

If this device installation site is positioned on the cement concrete ground, the steel column should not embed the face of land, column should be connected by flange and bolt and cement floor.

The energy absorber of third part comprises steel truss, energy-absorbing box, cable wire, steel band, reverse pulley, protects groove, attachment bolt.Wherein steel truss 3 and another steel truss 15 just are welded by the angle, and undersized is in its both sides, position steel guardrail spacing, and its height adapts with the headstock height, and its lower end and ground are temporary fixed.Cable wire 7 one ends are walked around reverse pulley, are fixed on steel truss bottom by anchor bolt 6, and other end mud downstream protects the steel band 9 that groove 13 stretches by attachment bolt 14 and energy-absorbing box and links to each other; Rope diameter is 1 centimetre to 5 a centimetres strand spiral rope.Energy-absorbing box 5 diameters are about 20 centimetres to 30 centimetres, median pore radius is 10 centimetres, be fixed on cement with grappling steel plate 10 and concrete anchor block 11 and protect the end of groove 13 near obstruction, energy-absorbing box 5 is provided with the roller pin 16 of at least one pair of interlaced arrangement in the exit of steel band 9, pass the slit of steel band 9 between roller pin 16 to reach outside the energy-absorbing box 5.Oppositely pulley 8 is by flange be bolted on the concrete anchor block.The effect of protecting groove 13 is to prevent from that vehicle tyre is pressed onto to protect cable wire 7 and steel band 9 in the groove that it highly should not be above the ground level 10 centimetres, in order to avoid tangle vehicle bottom influences vehicle movement track.

Be economical with materials and cost, the present invention also proposed following embodiment:

1, protection shield panel 1 should be selected high-strength metal material and plastic material, preferably adopts the rolling processing and fabricating of sheet material to be welded into integral body then, rollingly can determine according to shield shape of cross section and size with mould.With rivet or bolt plastic coat is linked to each other with the steel plate surface layer; Positive mask can adopt traffic light reflecting membrane commonly used by the processing of shield shape and size, and color is got black yellow alternate means of transportation alarming sign.

2, steel guardrail 2 adopts the common three wave steel plate guardrails that metal material and processing technology are made.

3, column 4 adopts wooden or common fence upright common metal material and processing technology, and through hole 9 adopts punching press or bore mode processing, and used drift is determined according to the aperture.

4, cable wire 7 adopts the high strength multi-strand steel cord.

5, all metal material should be handled through the conventional Rustproofing apparatus of plating zinc on surface.Comprise that column 4, steel guardrail 2, protection shield panel 1, cable wire 7, steel band 9, steel truss 3, another steel truss 15, reverse pulley 8 and energy-absorbing box 5 all pass through antirust processing, the surface is covered with antirust coat, skin of paint or coating antirust coat.

6, steel truss 3 and another steel truss 15 can be the angle steel welded construction, and also available other material becomes framework.

7, energy-absorbing box 5 can be on-deformable cast iron materials, and lid and box body are fixed by the both sides bolt seal.

8, steel band adopts high-strength steel band in the energy-absorbing box.

The present invention proposes this new rigid barrier disintegration energy-absorbing shield protector design, comprises material therefor, shape, structure, key dimension, producing device, processing technology and mounting means etc.

Claims (10)

1. highway trackside rigid barrier disintegration energy-absorbing shield protector, comprise steel guardrail (2) and coupled column (4), it is characterized in that: the front end face of this device is provided with protection shield panel (1) to direction to the car, protection shield back side of panel both sides are connected with a row steel plate guardrail end respectively, the other end of two row steel guardrails is fixedlyed connected with rigid barrier (17) both sides at rear respectively, steel guardrail (2) is that the guardrail lath of back segment is lived in the guardrail lath side pressure outside of leading portion by sectional overlapping linking to each other of guardrail lath head and the tail, and be connected with column (4) by bolt;
In the space that protection shield panel (1), two row steel guardrails (2) and rigid barrier (17) are enclosed, be provided with one to the two-stage energy absorber; Every grade of energy absorber has a parallel steel truss (3) that is located at protection shield panel (1) rear; Have two in every grade of energy absorber at least and be fixed on rigid barrier (17) the place ahead energy-absorbing box (5) above the ground, have in each energy-absorbing box (5) coil around steel band (9), steel band (9) the inner is fixed in the energy-absorbing box, and stretch out outside the energy-absorbing box steel band (9) outer end; The corresponding cable wire (7) of each energy-absorbing box (5), the front end of cable wire (7) is walked around reverse pulley (8) and is connected in steel truss (3), and the rear end of cable wire (7) is connected with steel band (9), and oppositely pulley (8) is fixedlyed connected with ground respectively with steel truss.
2. highway trackside rigid barrier disintegration energy-absorbing shield protector according to claim 1 is characterized in that: the energy-absorbing box (5) of above-mentioned energy absorber, cable wire (7) and reverse pulley (8) place the ground groove (13) that protects.
3. highway trackside rigid barrier disintegration energy-absorbing shield protector according to claim 1, it is characterized in that: the front end of above-mentioned cable wire (7) is connected by the bottom of anchor bolt (6) with steel truss (3), and the rear end of cable wire (7) is connected with steel band (9) by attachment bolt (14).
4. highway trackside rigid barrier disintegration energy-absorbing shield protector according to claim 1 is characterized in that: above-mentioned reverse pulley (8) is by the concrete side of fixing on the ground.
5. highway trackside rigid barrier disintegration energy-absorbing shield protector according to claim 1, it is characterized in that: above-mentioned energy-absorbing box (5) is fixedlyed connected with rigid barrier (17) by grappling steel plate (10), and energy-absorbing box (5) is also fixedlyed connected with place concrete anchor block (11) below ground.
6. highway trackside rigid barrier disintegration energy-absorbing shield protector according to claim 1, it is characterized in that: above-mentioned energy-absorbing box (5) is provided with the roller pin (16) of at least one pair of interlaced arrangement in the exit of steel band (9), passes the slit of steel band (9) between roller pin (16) to reach outside the energy-absorbing box (5).
7. highway trackside rigid barrier disintegration energy-absorbing shield protector according to claim 1 is characterized in that: above-mentioned guardrail lath has horizontal bolt slotted hole at the overlapping connecting place of head and the tail.
8. highway trackside rigid barrier disintegration energy-absorbing shield protector according to claim 3, it is characterized in that: above-mentioned protection shield panel (1) is rectangle, circle, ellipse, trapezoidal, triangle or peltate, and the traffic alarm sign is arranged on the protection shield panel (1).
9. highway trackside rigid barrier disintegration energy-absorbing shield protector according to claim 5 is characterized in that: above-mentioned protection shield panel (1) is composited by steel plate and plastic coat.
10. highway trackside rigid barrier disintegration energy-absorbing shield protector according to claim 6, it is characterized in that: above-mentioned column (4) is a steel, its cross section is I-shaped, king's font, hollow circle or rectangle, column (4) bottom more than ground and/or below ground be distributed with through hole (12), above-mentioned column embeds surface soil layer, or is connected by flange and bolt and cement concrete ground.
CN2007102023135A 2007-10-30 2007-10-30 Highway trackside rigid barrier disintegration energy-absorbing shield protecting device CN101139827B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2007102023135A CN101139827B (en) 2007-10-30 2007-10-30 Highway trackside rigid barrier disintegration energy-absorbing shield protecting device

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Application Number Priority Date Filing Date Title
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CN101139827B true CN101139827B (en) 2010-09-08

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4407484A (en) * 1981-11-16 1983-10-04 Meinco Mfg. Co. Impact energy absorber
US5112028A (en) * 1990-09-04 1992-05-12 Energy Absorption Systems, Inc. Roadway impact attenuator
CN1653232A (en) * 2002-05-13 2005-08-10 姜胜求 Vehicular impact absorbing apparatus having cushion pins
WO2006118367A1 (en) * 2005-04-29 2006-11-09 Hyun Soo Shin Impact absorbing apparatus for use in vehicle collisions
CN1890437A (en) * 2003-12-09 2007-01-03 埃克索戴恩技术有限公司 Energy attenuating safety system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4407484A (en) * 1981-11-16 1983-10-04 Meinco Mfg. Co. Impact energy absorber
US5112028A (en) * 1990-09-04 1992-05-12 Energy Absorption Systems, Inc. Roadway impact attenuator
CN1653232A (en) * 2002-05-13 2005-08-10 姜胜求 Vehicular impact absorbing apparatus having cushion pins
CN1890437A (en) * 2003-12-09 2007-01-03 埃克索戴恩技术有限公司 Energy attenuating safety system
WO2006118367A1 (en) * 2005-04-29 2006-11-09 Hyun Soo Shin Impact absorbing apparatus for use in vehicle collisions

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Assignee: Qu Tao

Assignor: CHANGSHA SHANGTANG GUDAO SCIENCE & TECHNOLOGY CO., LTD.

Contract record no.: 2010430000138

Denomination of invention: Highway trackside rigid barrier disintegration energy-absorbing shield protecting device

Granted publication date: 20100908

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Assignee: CHANGSHA SHANGTANG GUDAO SCIENCE & TECHNOLOGY CO., LTD.

Assignor: Qu Tao

Contract record no.: 2010430000138

Denomination of invention: Highway trackside rigid barrier disintegration energy-absorbing shield protecting device

Granted publication date: 20100908

License type: Exclusive License

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Record date: 20101102

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Effective date of registration: 20170811

Address after: 410000 information building, No. 31, 2 Road, economic development zone, Hunan, Changsha Province, 15

Patentee after: Hunan Shangtang Gudao Technology Co., Ltd.

Address before: 100072 Beijing city Fengtai District Changxindian Changxin Road No. 10 Building 2 Room 301 2

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