CN109113003A - Bumper can be oriented to - Google Patents
Bumper can be oriented to Download PDFInfo
- Publication number
- CN109113003A CN109113003A CN201811213461.1A CN201811213461A CN109113003A CN 109113003 A CN109113003 A CN 109113003A CN 201811213461 A CN201811213461 A CN 201811213461A CN 109113003 A CN109113003 A CN 109113003A
- Authority
- CN
- China
- Prior art keywords
- energy
- absorbing
- oriented
- bumper
- bucket
- 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
Links
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
- E01F15/143—Protecting devices located at the ends of barriers
-
- 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
One kind can be oriented to bumper, comprising: fixed device, energy absorption device and energy-absorbing bucket；The fixed device is for fixing the energy absorption device and the energy-absorbing bucket；The energy-absorbing bucket is set to the one end of the energy absorption device towards head-on crash；The energy absorption device includes energy-absorbing component, the energy-absorbing component includes one or more energy-absorbing unit, the energy-absorbing unit includes muti-piece energy-absorbing watt, the energy-absorbing watt is arranged along towards the energy-absorbing bucket, energy-absorbing watt described in muti-piece constitutes the cavity of a plane opening nearest and farthest with the energy-absorbing bucket, and the cavity is used to buffer suffered impact force；Beneficial effects of the present invention: by muti-piece there is the energy-absorbing watt of fold to surround cavity and forms energy-absorbing unit, the energy-absorbing component formed again by the way that multiple energy-absorbing units are arranged, in the outer end of energy-absorbing component guide surface is set again, may be implemented a kind of to reach TS grades and be oriented to bumper.
Description
Technical field
The present invention relates to traffic safety protection measures, and in particular to one kind can be oriented to bumper.
Background technique
At the shunting of highway, due to speed is very fast or other the reason of, vehicle does not travel in correct road
On, but the triangle tip of ring road is hit, cause guardrail to pierce through vehicle, or even damage to vehicle crew.Now generally pass through
Sand Bucket is set or bumper can be oriented to buffer the impact force of vehicle, the protective capacities of Sand Bucket is insufficient, existing to be oriented to anticollision
Pad generally by extruding deformation of steel or uses large-scale blow molding part as absorption cell, but by squeezing steel not to steel
Material is handled, and the effect of energy-absorbing is insufficient, and large-scale blow molding part is at high cost and is easy to aging, easily loses its energy-absorbing work
With.
Summary of the invention
The main object of the present invention is to provide one kind to be oriented to bumper, solves traditional bumper energy-absorbing that is oriented to and imitates
The problem of fruit is bad or is easy to aging.
The present invention proposes that one kind can be oriented to bumper, comprising: fixed device, energy absorption device and energy-absorbing bucket；The fixed dress
It sets for fixing the energy absorption device and the energy-absorbing bucket；The energy absorption device includes energy-absorbing component, and the energy-absorbing component includes
One or more energy-absorbing unit, the energy-absorbing unit include muti-piece energy-absorbing watt, energy-absorbing watt described in muti-piece constitute one with it is described
Energy-absorbing bucket is recently and the cavity of farthest plane opening, the cavity are used to buffer suffered impact force；The energy-absorbing bucket is set
It is placed in one end of the cavity hatch, the energy-absorbing watt is arranged along towards the energy-absorbing bucket.
Further, the energy-absorbing component further includes connecting plate, is arranged described in one between adjacent two pieces of connecting plates
Energy-absorbing unit, the connecting plate is for connecting the energy-absorbing unit.
Further, the energy-absorbing component further includes multiple brackets, and the energy-absorbing unit is set to the two neighboring branch
Between frame, the bracket is fixedly connected with the energy-absorbing unit, and the bracket is used to support the energy-absorbing component.
Further, the energy absorption device further includes one or more guide surfaces, and the guide surface is set to the energy-absorbing
The two sides of unit are fixedly connected with the bracket.
Further, the guide surface includes one or more of arcwall faces, and the arcwall face is the arc of outwardly convex
Face.
Further, the fixed device includes guide assembly and support frame, and support frame as described above and the guide assembly connect
It connects, support frame as described above is set to one end far from the energy-absorbing bucket, and support frame as described above is for fixing the guide assembly and described
Energy-absorbing component.
Further, the guide assembly includes one or more guide rail and fixing end, the guide rail and the fixation
End connection, the guide rail are used to support the energy absorption device.
Further, the fixed device further includes one or more pilot sleeve, and the pilot sleeve is set to institute
It states on energy-absorbing component, the pilot sleeve is slidably connected with the guide rail.
Further, the energy-absorbing bucket includes outer arcuate plate, inner arc plate and support plate, and the support plate is set to described
Between outer arcuate plate and inner arc plate, and it is fixedly connected with the outer arcuate plate and inner arc plate.
Further, the energy-absorbing watt is equipped with one or more direction fold vertical with energy-absorbing bucket direction,
The fold is used to buffer suffered impact force.
Beneficial effects of the present invention: by muti-piece there is the energy-absorbing watt of fold to surround cavity and forms energy-absorbing unit, then pass through
The energy-absorbing component of multiple energy-absorbing unit compositions is set, guide surface is set in the outer end of energy-absorbing component again, one kind may be implemented and reach
TS grades are oriented to bumper.
Detailed description of the invention
Fig. 1 is that one kind of one embodiment of the invention can be oriented to the overall structure diagram of bumper；
Fig. 2 is that one kind of one embodiment of the invention can be oriented to the energy-absorbing component partial structural diagram of bumper；
Fig. 3 is that one kind of one embodiment of the invention can be oriented to the fixture structure schematic diagram of bumper；
Fig. 4 is that one kind of one embodiment of the invention can be oriented to the energy-absorbing unit structural schematic diagram of bumper；
Fig. 5 is that one kind of one embodiment of the invention can be oriented to the guide surface structural schematic diagram of bumper.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
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 embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (up, down, left, right, before and after etc.) of institute is only used in the embodiment of the present invention
It explains in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if the spy
When determining posture and changing, then directionality instruction also correspondingly changes correspondingly, and the connection, which can be, to be directly connected to, can also
To be to be indirectly connected with.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution
Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not the present invention claims guarantor
Within the scope of shield.
As shown in Figs. 1-5, one kind can be oriented to bumper, comprising: fixed device, energy absorption device and energy-absorbing bucket 2；Fixed device
For fixing energy absorption device and energy-absorbing bucket 2；Energy absorption device includes energy-absorbing component 1, and energy-absorbing component 1 includes one or more energy-absorbing
Unit, energy-absorbing unit include muti-piece energy-absorbing watt 11, muti-piece energy-absorbing watt 11 constitute one with the energy-absorbing bucket 2 putting down recently and farthest
The cavity of face opening, cavity are used to buffer suffered impact force；Energy-absorbing bucket 2 is set to one end of cavity hatch.
In the present embodiment, the cavity being made up of energy-absorbing watt 11, cavity can be constituted for two pieces of energy-absorbings watt 11, be also possible to
The prism that the energy-absorbing watt 11 of four pieces or greater number is constituted can also be that two cavitys are being attached composition with the energy-absorbing
The cavity bigger with farthest plane opening recently of bucket 2, in one embodiment, energy-absorbing unit is that four pieces of energy-absorbings watt 11 are constituted,
One is connected and composed by the cavity that two two pieces of energy-absorbings watt 11 are constituted to be open with farthest plane recently with the energy-absorbing bucket 2
Cavity, the maximum one side of energy-absorbing watt 11 is parallel to the ground, i.e., cavity be prism parallel to the ground, be made up of above-mentioned cavity
Energy-absorbing unit can effectively buffer suffered impact force, and also improve the ability of its energy-absorbing, and be not used easy
In the material of aging, then its energy absorption capacity will not be all lost within a certain period of time.
In the present embodiment, energy-absorbing component 1 further includes connecting plate 12, and an institute is arranged between adjacent two pieces of connecting plates 12
Energy-absorbing unit is stated, the connecting plate 12 can make adjacent energy-absorbing unit by connecting plate 12 for connecting the energy-absorbing unit
It is attached, and the screw hole containing connection on connecting plate 12, it can be made to be attached with energy-absorbing component 1.
In the present embodiment, energy-absorbing component 1 further includes multiple brackets 13, bracket 13 be set to two neighboring energy-absorbing unit it
Between, it is fixedly connected with energy-absorbing unit, bracket 13 is used to support energy-absorbing component.Specifically, bracket 13 is fixedly connected with connecting plate 12,
Bracket 13 is used for fixed connecting plate 12, have on bracket 13 screw hole corresponding with connecting plate 12 can by connecting plate 12 and bracket 13 into
Row connection, in addition, 13 lower end of bracket with ground without being fixedly connected, can be set in the place that bracket 13 is contacted with ground
It sets slide plate or other can reduce the device with the frictional resistance on ground, when by head-on crash, bracket 13 can follow suction
Energy component is moved to the identical direction of collision course.
In the present embodiment, energy absorption device further includes one or more guide surfaces 4, and guide surface 4 is set to the two of energy-absorbing unit
Side is fixedly connected with bracket 13 and connect, and specifically, adjacent two pieces of guide surfaces 4 partly overlap, and receives front when that can be oriented to bumper
It when collision, can also shrink, play energy-absorbing function, and by setting guide surface 4, when side collision occurs, guide surface 4 can
Toward correctly place guiding, the side that can be oriented to bumper to be made to play the role of protecting vehicle when colliding on vehicle.
In the present embodiment, guide surface 4 includes one or more of arcwall faces 41, and arcwall face 41 is the arcwall face of outwardly convex
41, specifically, in one embodiment, guide surface 4 can use corrugated plating, corrugated plating include outwardly convex arcwall face and inwardly
Recessed recessed zone face 42, recessed zone face 42 are equipped with guide groove 421, and corrugated plating has good energy-absorbing effect, and guide groove 421 can will be hit
On can be oriented to the errant vehicle of bumper and guide correct driving direction into, in addition, can be made by the cavity that energy-absorbing watt 11 is constituted
The energy-absorbing unit of side and the contact area of automobile increase, and can increase the energy-absorbing effect of side impact, further protection staff
With the safety of vehicle.
In the present embodiment, fixed device includes one or more pilot sleeve 5, and pilot sleeve 5 is set to energy-absorbing component 1
On, it is slidably connected by pilot sleeve 5 with guide rail, specifically, is slidably connected by pilot sleeve 5 with guide rail, Ke Yi
It when vehicle knocks the bumper in the application, can be very good to play sliding of the energy-absorbing component on guide rail, be conducive to multiple energy-absorbings
Unit carries out energy-absorbing to the impulsive contact force of automobile, and by being slidably connected, is also conducive to the replacement of energy absorption device, fills when needing to change energy-absorbing
When setting, collision pad can will be entirely oriented to by, which not needing, is removed, but only that energy-absorbing component is removed by guide rail, due to it
It is slidably connected, so not needing complicated operation, will not damage script is oriented to the fixation device for colliding pad, may be used also
Energy-absorbing component 1 to be preferably attached, keep it more stable, make the position of energy-absorbing component will not occur left and right and up and down
Offset.
In the present embodiment, fixed device includes guide assembly and support frame 31, and support frame 31 is connect with guide assembly, support
Frame 31 is set to one end far from energy-absorbing bucket 2, and support frame 31 is supported for fixing guide assembly and energy-absorbing component 1 by setting
Frame 31 can support entire guide assembly, one end of guide assembly can be fixed, and fixed mode is not fixed, it is all can be with
For being attached with guide assembly, and it can make this that can be oriented to mode that bumper is fixed in the protection model of the application
In enclosing, it will be understood that support frame 31 belongs to the main fixing end that can be entirely oriented to bumper as one end far from collision,
Fixed device should be more firm, specifically, passes through setting tripod and one or more anchor in the embodiment of the application
Gu flange 300 is fixed, the bracket 13 of tripod and the energy-absorbing component 1 close to 31 this end of support frame is attached, tripod
Below be equipped with multiple anchoring flanges 300, anchoring flange 300 is connect with tripod, for fixing whole device, as entirely may be used
It is oriented to the fixing end 33 of bumper, may be implemented for whole device to be fixedly connected with the ground by anchoring flange 300.
In the present embodiment, guide assembly includes one or more guide rail 32 and fixing end 33, guide rail 32 and fixing end 33
Connection, guide rail 32 are connect with the inside of pilot sleeve 5, and guide rail 32 is used to support energy absorption device, and the position of fixing end 33 does not limit
It is fixed, it can be one or more, it is preferred that one end towards collision is arranged in fixing end 33, passes through fixing end 33 and support
Frame 31 is fixedly connected, and the both ends of guide rail 32 can be fixedly connected, secondly, passing through the interior of guide rail 32 and pilot sleeve 5
Portion's connection, can be connected on one piece for entire energy-absorbing component 1, so that it will not the deviation of position occurs.
In the present embodiment, energy-absorbing bucket 2 includes one block of outer arcuate plate, 21, one blocks of inner arc plates 23 and 22 groups of muti-piece support plate
At, dispersed by the uniform force that outer arcuate plate 21 can make can be entirely oriented to bumper, be arranged multiple support plates 22 be in order to
The suffered impact force of buffering, then it is by internal arc panel 23 that power is evenly dispersed on energy-absorbing unit, it is unlikely to it locally
Stress is unable to reach the effect of buffering.
In the present embodiment, energy-absorbing watt 11 is equipped with one or more fold 111 vertical with head-on crash direction, fold
111 for buffering suffered impact force, by the way that fold 111 is arranged, the buffer capacity of energy-absorbing unit can be improved, and then improve
The buffer capacity of whole device can be set a fold 111 on energy-absorbing watt 11, two or more number also can be set
Fold 111 is also possible to have the energy-absorbing watt 11 of different number of fold 111 to constitute cavity, the direction of fold 111 can for
The inside cavity of energy-absorbing unit is recessed, or prominent to the containment portion of energy-absorbing unit.Preferably, in one embodiment,
The bigger cavity that two cavitys synthesize is constituted by two two pieces of energy-absorbings watt 11, is respectively equipped in one group of opposite of this cavity
Two folds 111, four folds 111 are respectively equipped in another opposite, and the direction of fold 111 is the cavity to energy-absorbing unit
Inner recess can make energy-absorbing unit when by external pressure, can be easier at fold 111 real by the way that fold 111 is arranged
It now compresses, and then increases the effect of its energy-absorbing.
In the present embodiment, when this can be oriented to bumper by positive collision, it is located at the energy-absorbing bucket 2 in front end and absorbs one
The power that part is collided, then remaining power is passed to energy-absorbing component 1 by energy-absorbing bucket 2, and energy-absorbing component 1 is equipped with multiple energy-absorbing units,
The cavity that energy-absorbing unit has energy-absorbing watt 11 to constitute, secondly energy-absorbing watt 11 is equipped with the fold 111 vertical with collision course, then passes through
Multiple energy-absorbing units are set, remaining power can be absorbed；When this can be oriented to collision of the bumper by side, pass through
The guide surface 4 of energy-absorbing unit and external setting, can will buffer the impulsive contact force of vehicle, in addition, guide surface 4 has multiple arcs face
41, have guide groove 421 on arcwall face 41, it is possible to vehicle is guided and is travelled on correct road, also, this can be oriented to it is anti-
The safety evaluation index that pad has passed through 12 " highway barrier security performance evaluation standard " (JTGB05-1-2013) is hit, so should
Bumper can be oriented to it is anti-collision level TS grades and is oriented to bumper (the TS grades of identifications that can be oriented to bumper: by 12 " highways
Guardrail security performance evaluation standard " (JTGB05-1-2013) safety evaluation index, i.e., it is believed that its with TS grades anticollision imitate
Fruit).
Beneficial effects of the present invention: by muti-piece there is the energy-absorbing watt 11 of fold 111 to surround cavity and form energy-absorbing unit, then
By the way that the energy-absorbing component 1 of multiple energy-absorbing unit compositions is arranged, guide surface 4 is set in the outer end of energy-absorbing component 1 again, may be implemented one
Kind reach TS grades and is oriented to bumper.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. one kind can be oriented to bumper characterized by comprising fixed device, energy absorption device and energy-absorbing bucket；
The fixed device is for fixing the energy absorption device and the energy-absorbing bucket；
The energy absorption device includes energy-absorbing component, and the energy-absorbing component includes one or more energy-absorbing unit, the energy-absorbing list
Member includes muti-piece energy-absorbing watt, and energy-absorbing watt described in muti-piece constitutes the chamber of a plane opening nearest and farthest with the energy-absorbing bucket
Body, the cavity are used to buffer suffered impact force；
The energy-absorbing bucket is set to one end of the cavity hatch.
2. bumper can be oriented to as described in claim 1, which is characterized in that the energy-absorbing component further includes connecting plate, adjacent
One energy-absorbing unit is set between two pieces of connecting plates, and the connecting plate is for connecting the energy-absorbing unit.
3. bumper can be oriented to as described in claim 1, which is characterized in that the energy-absorbing component further includes multiple brackets, institute
It states energy-absorbing unit to be set between the two neighboring bracket, the bracket is fixedly connected with the energy-absorbing unit, the bracket
It is used to support the energy-absorbing component.
4. bumper can be oriented to as claimed in claim 3, which is characterized in that the energy absorption device further includes that one or more is led
To face, the guide surface is set to the two sides of the energy-absorbing unit, is fixedly connected with the bracket.
5. bumper can be oriented to as claimed in claim 4, which is characterized in that the guide surface includes one or more of arcs
Face, the arcwall face are the arcwall face of outwardly convex.
6. bumper can be oriented to as described in claim 1, which is characterized in that the fixed device includes guide assembly and support
Frame, support frame as described above are connect with the guide assembly, and support frame as described above is set to one end far from the energy-absorbing bucket, the support
Frame is for fixing the guide assembly and the energy-absorbing component.
7. bumper can be oriented to as claimed in claim 6, which is characterized in that the guide assembly includes that one or more is led
Rail and fixing end, the guide rail are connect with the fixing end, and the guide rail is used to support the energy absorption device.
8. bumper can be oriented to as claimed in claim 7, which is characterized in that the fixed device further includes one or more
Pilot sleeve, the pilot sleeve are set on the energy-absorbing component, and the pilot sleeve is slidably connected with the guide rail.
9. bumper can be oriented to as described in claim 1, which is characterized in that the energy-absorbing bucket includes outer arcuate plate, inner arc
Plate and support plate, the support plate are set between the outer arcuate plate and inner arc plate, and with the outer arcuate plate and inner arc
Shape plate is fixedly connected.
10. bumper can be oriented to as described in claim 1, which is characterized in that the energy-absorbing watt is equipped with one or more
Towards the fold vertical with energy-absorbing bucket direction, the fold is used to buffer suffered impact force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811213461.1A CN109113003A (en) | 2018-10-18 | 2018-10-18 | Bumper can be oriented to |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811213461.1A CN109113003A (en) | 2018-10-18 | 2018-10-18 | Bumper can be oriented to |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109113003A true CN109113003A (en) | 2019-01-01 |
Family
ID=64855106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811213461.1A Pending CN109113003A (en) | 2018-10-18 | 2018-10-18 | Bumper can be oriented to |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109113003A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409349A (en) * | 2019-08-09 | 2019-11-05 | 中交第一公路勘察设计研究院有限公司 | Buffering energy-absorbing can be oriented to bumper |
| CN114837115A (en) * | 2022-04-28 | 2022-08-02 | 深圳市正道公路工程有限公司 | Sleeve type anti-collision end |
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| CN202466479U (en) * | 2011-12-15 | 2012-10-03 | 深圳市正道公路工程有限公司 | Guidable and energy-absorbing anti-collision pad for highroad |
| CN202705964U (en) * | 2012-06-20 | 2013-01-30 | 北京深华达交通工程检测有限公司 | Anti-collision cushion |
| 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 |
| CN104213527A (en) * | 2014-09-23 | 2014-12-17 | 深圳市正道公路工程有限公司 | Guidable bee mesh type energy absorption anti-collision pad on road |
| CN205775974U (en) * | 2016-05-18 | 2016-12-07 | 马亮 | A kind of energy-absorbing tub improving energy absorption ability can guide bumper |
| CN208981239U (en) * | 2018-10-18 | 2019-06-14 | 深圳市正道公路工程有限公司 | Bumper can be oriented to |
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2018
- 2018-10-18 CN CN201811213461.1A patent/CN109113003A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202466479U (en) * | 2011-12-15 | 2012-10-03 | 深圳市正道公路工程有限公司 | Guidable and energy-absorbing anti-collision pad for highroad |
| CN202705964U (en) * | 2012-06-20 | 2013-01-30 | 北京深华达交通工程检测有限公司 | Anti-collision cushion |
| 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 |
| CN104213527A (en) * | 2014-09-23 | 2014-12-17 | 深圳市正道公路工程有限公司 | Guidable bee mesh type energy absorption anti-collision pad on road |
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| CN208981239U (en) * | 2018-10-18 | 2019-06-14 | 深圳市正道公路工程有限公司 | Bumper can be oriented to |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409349A (en) * | 2019-08-09 | 2019-11-05 | 中交第一公路勘察设计研究院有限公司 | Buffering energy-absorbing can be oriented to bumper |
| CN114837115A (en) * | 2022-04-28 | 2022-08-02 | 深圳市正道公路工程有限公司 | Sleeve type anti-collision end |
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