CN207452779U - A kind of flexible impact type crash barrier for roads - Google Patents
A kind of flexible impact type crash barrier for roads Download PDFInfo
- Publication number
- CN207452779U CN207452779U CN201721432391.XU CN201721432391U CN207452779U CN 207452779 U CN207452779 U CN 207452779U CN 201721432391 U CN201721432391 U CN 201721432391U CN 207452779 U CN207452779 U CN 207452779U
- Authority
- CN
- China
- Prior art keywords
- rotating cylinder
- rotation axis
- impact type
- crash barrier
- flexible impact
- 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.)
- Expired - Fee Related
Links
- 230000004888 barrier function Effects 0.000 title claims abstract description 31
- 238000003825 pressing Methods 0.000 claims abstract description 22
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 238000003780 insertion Methods 0.000 claims abstract description 5
- 230000037431 insertion Effects 0.000 claims abstract description 5
- 239000004575 stone Substances 0.000 claims description 16
- 230000006378 damage Effects 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 7
- 208000027418 Wounds and injury Diseases 0.000 abstract description 6
- 208000014674 injury Diseases 0.000 abstract description 6
- 230000006872 improvement Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 5
- 239000006260 foam Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000034994 death Effects 0.000 description 4
- 231100000517 death Toxicity 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The utility model discloses a kind of flexible impact type crash barrier for roads, belong to traffic guardrail field.It includes pedestal, upper bracket, supporting item, the rotating cylinder of rotation axis and installation on the rotary shaft；The lower end of the rotation axis is mounted on by rolling bearing units on pedestal, and the upper end connects one end of supporting item；The other end of the supporting item connects upper bracket by elastic element；Upper bracket has support plate, and one end of supporting item has pressing plate, and elastic element is between support plate and pressing plate；Pilot hole is opened up on the support plate, pressing plate is equipped with guide post；The elastic element is disk spring, after multiple disk spring superpositions are sleeved on guide post, in guide post end insertion pilot hole.The utility model uses flexible connecting structure, can not only reduce vehicle collision injury, improve protection effect, also with good impact absorbency, can preferably reduce the impact injury that guardrail is subject to, prolong the service life；It is particularly suitable for the protection of bridge both sides.
Description
Technical field
The utility model belongs to traffic guardrail field, more specifically to a kind of flexible impact type crash barrier for roads.
Background technology
As social economy enters the high speed development epoch, easily the vehicles are had become as the essential work of people's trip
Tool, especially the most universal with automobile, quantity sharp increases, it not only adds pressure to the construction of road and bridge of communication
Power, and people's life, property and means of transportation are caused with threat and destruction, traffic accident has become a big danger of modern society
Evil.Modern society, the casualties caused by traffic accident have accounted for the head of each both developed and developing country unnatural death number
Position, and property loss caused by it is also very serious.
In general, in order to avoid drive over the speed limit or failure caused by Large-sized Communication accident, road along side or center point
It is offline to load onto guardrail or center separation column, and traditional guardrail is to fix longitudinal direction on the ground to follow closely the method in support bar
The iron plate of concaveconvex shape, this can bear slight impact, however when vehicle fast forwards through shock, iron plate guardrail can not be born strongly
Impact is damaged by colliding, vehicle is caused to overturn, is rolled into outside guardrail or even it is made to drop from steep cliff, causes vehicle breakage, people
Order the major accidents such as injures and deaths.
In order to the protective action of road improvement guardrail, by long-term exploration, invent and replaced with rotating cylinder or rotary body
For the form of iron plate, vehicular impact destructiveness is greatly reduced.For example, Chinese invention patent (CN202116999U) discloses one
Kind interval traffic guardrail of the grounding type with rotary body, including column, the elastic rotary body being sheathed on column is respectively arranged at bullet
Upper rail and bottom rail above and below property rotary body, be set on column and be arranged on bottom rail and elastic rotary body it
Between rotation supporting, column includes the long column that is arranged alternately and short column, long column extend downward into square under bottom rail
Into installation landing portion, the both ends of short column are connected respectively with upper rail and bottom rail.
For another example Chinese invention patent (CN102027173A) discloses a kind of shock-absorbing installation for roadway, is arranged in road
Yang Xianhuo roads roadside absorbs when colliding with vehicle and disperses impact caused by it, including：Pillar, in the center of road
Xian Huo roads roadside is buried fix and in cylinder body shape at regular intervals；Support tube is rotated, by that built in pillar and can be revolved
Turn；Multiple buffering roller members form combined mouth to be rotationally arranged at the outer circumferential surface of rotation support tube, and inside/outside portion is in one
The cylindrical shape of type elastic rubber material, and high brightness reflective tape is set outside it；Safety rails are pressed on buffering roller member
One determining deviation be set it is multiple, it is each integral horizontally disposed in the up/down portion of each pillar；First rotation catching sheet, center is set
Combined hole is equipped with, and is arranged at the outer circumferential surface up/down end for the rotation support tube for being provided with buffering roller member, in combined hole
A circumferential surface part forms the second fixing groove and forms multiple radial first protruding portions projected upwards in its one side, to rotate
The one side of support tube forms the first fixing groove, so as to be fixed by the first fixed pin；Second rotation catching sheet, center is set
Above-mentioned combined hole is equipped with, and is separately positioned on the up/down end of pillar, so that the second rotation catching sheet is arranged at and sets respectively
It puts in the lower part of the first rotation catching sheet of rotation support tube up/down end, the 4th is formed in an inner peripheral surface part for combined hole
Fixing groove to form the 3rd fixing groove in the one side of pillar, so as to be fixed by the second fixed pin, and is formed in its one side
Multiple radial first protruding portions projected upwards, with the face kissing with forming the first protruding portion in the first rotation catching sheet
It closes.
Although using above two or existing other elastic rotary bodies or the guardrail structure of buffer roll component form,
When receiving vehicle crash, itself can be rotated, and guiding vehicle returns to track, effectively reduce the broken of vehicle collision to a certain extent
Bad and damage, but rigidity is very big in itself for elastic rotary body or buffering roller member, vehicle collision is close to rigid collision, to itself
And by it to be transferred to the impact force of guardrail other parts larger, guardrail can be loosened or damaged by multiple impacts, the service life
It is relatively short.Moreover, the installation of above-mentioned guardrail needs both sides of the road clear, and for the bridges road such as overpass, due to
Security protection is more demanding, and the both sides on road are typically all to be protected using the cement stone pier, and bridge floor high-altitude pendant is gone out with anti-vehicle
Fall or fall into the water, above-mentioned guardrail or existing other guardrails, it is not too much suitable to be installed on the basis of the stone pier is retained.
In addition, elastic rotary body or the general surface of buffering roller member currently on the market is all relatively smooth, on the one hand liquidate
It is not good enough to hit assimilation effect, contact is relatively poor during another aspect vehicular impact, poor to vehicle guidance.
The content of the invention
1st, to solve the problems, such as
The utility model provides a kind of flexible impact type crash barrier for roads, its object is to solve existing anticollision barrier by
It is easily damaged to multiple impacts, the problem of service life is relatively short.The utility model is made just by changing the installation form of rotating cylinder
Property structure be transformed into flexible structure, can not only reduce vehicle collision injury, improve protection effect, also with good impact absorbing
Property, the impact injury that guardrail is subject to can be preferably reduced, is prolonged the service life；The guardrail is particularly suitable for the anti-of bridge both sides
Shield.
2nd, technical solution
To solve the above problems, the utility model adopts the following technical scheme.
A kind of flexible impact type crash barrier for roads, including pedestal, upper bracket, supporting item, rotation axis and mounted on rotation
Rotating cylinder on axis；The lower end of the rotation axis is mounted on by rolling bearing units on pedestal, and the upper end connects one end of supporting item；
The other end of the supporting item connects upper bracket by elastic element.
As a further improvement, the upper bracket is fixed on the upper surface of the stone pier by foundation bolt.
As a further improvement, the upper bracket has support plate, one end of supporting item has pressing plate, and elastic element is located at branch
Between plate and pressing plate.
As a further improvement, opening up pilot hole on the support plate, pressing plate is equipped with guide post；The elastic element is dish
Spring, after multiple disk spring superpositions are sleeved on guide post, in guide post end insertion pilot hole.
As a further improvement, the link block of the support plate connect band endoporus, pressing plate is located in the endoporus of link block, and by
End plate /V on link block；The support plate, link block and end plate are bolted on together.
As a further improvement, one end of the pressing plate connection middleware of the supporting item, the other end connector sleeve of middleware
Pipe, casing are sleeved on the upper end of rotation axis.
As a further improvement, the outer surface of the rotating cylinder is equipped with protrusion.
As a further improvement, having annular groove among the outer surface of the rotating cylinder, reflective tape or coating are set in annular groove
Fluorescent material；Protrusion above and below the annular groove on the rotating cylinder outer surface of both sides is along the circumferential direction uniformly distributed with axial.
As a further improvement, end position is provided with positioning plate on the lower in the rotation axis；The rotating cylinder is opened along axis
If axis hole, rotating cylinder is installed on the rotary shaft by axis hole, and is positioned plate /V；The both ends of the axis hole, which have, to be relatively large in diameter
Bush hole, wherein be equipped with bushing, rotation axis passes through bushing, and the internal diameter of bushing is less than the minimum diameter of axis hole；The rotation
The both sides up and down of rotating cylinder are cased with turning circle on axis.
As a further improvement, the inner wall of the axis hole is equipped with one or more annular grooves vertically.
3rd, advantageous effect
Compared with the prior art, the beneficial effects of the utility model are：
(1) the utility model flexible impact type crash barrier for roads, breaks through the rigid connection structure of existing guardrail, and use is soft
Property mounting means, i.e., the supporting item of fixed rotation axis upper end is installed to by elastic element on upper bracket, and by rotation axis lower end
It is installed to by rolling bearing units on pedestal, when being subject to vehicle collision, not only rotating cylinder can reduce part of impact force in itself, and
And compression elastic element can get up preferable cushioning effect, impact absorbency is good, further reduces impact force, greatly reduces collision
Damage, prolongs the service life caused by rotating cylinder or other components.
(2) the utility model flexible impact type crash barrier for roads is particularly suitable for the protection of bridge road, and only needing will be upper
Bearing is fixed to by foundation bolt on the bridge stone pier, so as to protect the basis of structure in the stone pier for not changing existing highway bridge
On, increase buffer protection guardrail, can effectively prevent that vehicle from flying out bridge, mitigate the extent of injury of accident significantly, reduce injures and deaths；Vehicle
The stone pier is not impacted directly, is reduced while destroy, is also avoided the stone pier and crashed through damage, rotating cylinder is damaged rear repair and replacement
Relatively convenient.
(3) the utility model flexible impact type crash barrier for roads, elastic element are sleeved on pressing plate using multiple disk springs
Guide post on, ensure it is positive between disk spring be pressurized, and in the pilot hole of guide post insertion support plate, the movement that is pressurized to guide post is led
To, and pressing plate is limited in the endoporus of link block, limits the degree of freedom in other directions, ensures the stability of support.
(4) the utility model flexible impact type crash barrier for roads is different from the smooth surface of existing rotating cylinder, appearance
On face set protrusion, on the one hand help to improve crusherbull zone effect, on the other hand can increase the frictional force with car body, make its
It is quickly rotated under impact force, vehicle is oriented to, tractor returns to track, reduces collision damage.
(5) the utility model flexible impact type crash barrier for roads rotates and installs reflective tape or painting on drum outer wall in annular groove
Fluorescent material is covered, in dark surrounds, is subject to lights of vehicle that there is good reflection action when irradiating, for row in dark surrounds
It sails with good warning.
(6) the utility model flexible impact type crash barrier for roads, the design one of annular groove on the shaft hole inner wall of rotating cylinder
Aspect saves the production material of rotating cylinder, is on the other hand heated in process of production by multiple annular groove rotating cylinders equal
Even, in setting time, rotating cylinder can foam completely, expansion rate block, reduce power consumption, be conducive to energy saving；And
And such structure also contributes to enhancing rotating cylinder damping shock-absorbing effect, reduces tearing tendency when rotating cylinder is hit.
(7) the utility model flexible impact type crash barrier for roads, rotating cylinder are rotated on the rotary shaft by bushing support,
The bushing of upper and lower ends is set, and ensures the situation of supporting ＆ stablizing, reduces rotational resistance.
Description of the drawings
Fig. 1 is the main structure diagram of the utility model anticollision barrier；
Fig. 2 is the overlooking the structure diagram of the utility model anticollision barrier；
Fig. 3 is the sectional view of A-A in Fig. 1；
Fig. 4 is the partial enlarged view of B in Fig. 3；
Fig. 5 is the structure diagram of supporting item in the utility model anticollision barrier；
Fig. 6 is the schematic cross-sectional view of rotating cylinder in the utility model anticollision barrier.
In figure：1st, pedestal；2nd, upper bracket；201st, support plate；202nd, pilot hole；3rd, supporting item；301st, casing；302nd, it is intermediate
Part；303rd, pressing plate；304th, guide post；4th, rotation axis；401st, positioning plate；5th, rotating cylinder；501st, it is raised；502nd, axis hole；503rd, bushing
Hole；504th, annular groove；6th, head cover；7th, the stone pier；8th, bushing；9th, turning circle；10th, link block；11st, end plate；12nd, elastic element.
Specific embodiment
To carry out more the embodiment of the utility model now with reference to the attached drawing of display the utility model embodiment
Fully describe.But the utility model can be presented as many different forms, and should not be construed as being limited to here
The embodiment.On the contrary, these embodiments are provided so that disclose it is comprehensive and complete, and fully to people in the art
Member conveys the scope of the utility model.Identical reference number represents identical element in text of the statement.
It should be appreciated that when refer to element be " connected " or " connection " to another element when, the element can be directly connected to
Or it is attached to another element or there may be intermediary element.On the contrary, when refer to element be " directly connected " or " directly
During connection " to another element, there is no any intermediary elements.Other terms for describing relation between element should be with similary
Mode explain (for example, " ... between " to " between directly existing ... ", " neighbouring " to " direct neighbor " etc.).
Unless otherwise defined, otherwise all terms (including technical term and scientific terminology) used herein have and this
Those of ordinary skill's in utility model fields is generally understood identical meaning.It is also understood that such as those are logical
The term defined in dictionary often used should be interpreted as having and its meaning phase one in the context of association area
The meaning of cause, without should be explained in a manner of Utopian or overly formal, unless clearly so limiting herein.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of flexible impact type crash barrier for roads of the present embodiment, mainly along both sides of the road or
Central defiber is installed, and plays protective action, is particularly suitable for installing along the inside of the stone pier 7 in bridge both sides, this implementation
The guardrail of example is exactly exemplified by being mounted on bridge both sides, it mainly includes pedestal 1, upper bracket 2, supporting item 3, rotation axis 4 and peace
Rotating cylinder 5 in rotation axis 4.Wherein, the stone pier 7 inside ground configuration of the pedestal 1 along bridge both sides, it is contemplated that the need of installation
Will, pedestal 1 uses I-steel, is fixed to by foundation bolt on ground；The lower end of rotation axis 4 has end axis, which passes through
Rolling bearing units are installed on pedestal 1, and rolling bearing units use band square base bearing with spherical outside surface herein, can so as to the upper end of rotation axis 4
It is swung.
With reference to described in Fig. 3 and Fig. 4, one end of the upper end connection supporting item 3 of rotation axis 4, the other end of supporting item 3 passes through bullet
Property element 12 connect upper bracket 2, upper bracket 2 is fixed on the upper surface of the stone pier 7 by foundation bolt.As shown in figure 5, supporting item 3
It passes through including casing 301, middleware 302 and pressing plate 303；Wherein, casing 301 is sleeved on the upper end of rotation axis 4, right
Rotation axis 4 is supported；Middleware 302 as the connecting element among casing 301 and pressing plate 303, with match 7 top of the stone pier and
The width of bottom is poor；Guide post 304 is provided on pressing plate 303.Upper bracket 2 has support plate 201, opens up pilot hole 202 thereon, and props up
The link block 10 with endoporus is bolted on plate 201 and is pressed in the end plate 11 on 10 surface of link block；Elastic element 12
Between support plate 201 and pressing plate 303, and the present embodiment elastic element 12 is disk spring, and multiple disk spring superpositions are sleeved on
After on guide post 304, in 304 end of guide post insertion pilot hole 202, pressing plate 303 is located in the endoporus of link block 10, and end plate 11 limits
Position.Other elastomeric elements such as spring, compression spring can also be used except disk spring in elastic element 12.12 such installation of elastic element
Structure, it is ensured that it is positive between disk spring to be pressurized, and guide post 304 is inserted into the pilot hole 202 of support plate 201, to guide post 304 by
Mobile guide is pressed, and pressing plate 303 is limited in the endoporus of link block 10, limits the degree of freedom in other directions, ensures support
Stability.
In addition, rotation axis 4, in addition to the end axis of lower end, remaining is hollow pipe, mitigate weight, top passes through head cover
6 closure, it is both beautiful, water or dust is also avoided to fall into.
From the foregoing, it will be observed that the anticollision barrier of the present embodiment breaks through the rigid connection structure of existing guardrail, using flexible installing side
Formula, i.e., the supporting item 3 of fixed 4 upper end of rotation axis is installed to by elastic element 12 on upper bracket 2, and 4 lower end of rotation axis is led to
Rolling bearing units are crossed to be installed on pedestal 1, when being subject to vehicle collision, not only rotating cylinder 5 itself can reduce part of impact force, and
And compression elastic element 12 can get up preferable cushioning effect, impact absorbency is good, further reduces impact force, greatly reduces and touches
The damage caused by rotating cylinder 5 or other components is hit, is prolonged the service life.The guardrail is particularly suitable for the protection of bridge road,
On the basis of the stone pier 7 for not changing existing highway bridge protects structure, increase buffer protection guardrail, can effectively prevent that vehicle from flying out bridge
Beam mitigates the extent of injury of accident significantly, reduces injures and deaths；Vehicle does not impact the stone pier 7 directly, while reducing destruction, also avoids
The stone pier 7 is crashed through damage, and rotating cylinder 5 is damaged rear repair and replacement also relatively convenient.
Embodiment 2
With reference to shown in Fig. 3 and Fig. 6, a kind of flexible impact type crash barrier for roads of the present embodiment, on the basis of embodiment 1
The structure being installed to rotating cylinder 5 in rotation axis 4 is further improved.Specifically, rotation axis 4 sets positioning plate close to lower end position
401；Rotating cylinder 5 opens up axis hole 502 along axis, and rotating cylinder 5 is mounted on by axis hole 502 in rotation axis 4, and the two of axis hole 502
End is with the bush hole 503 being relatively large in diameter, wherein being equipped with bushing 8, rotation axis 4 passes through bushing 8, and the internal diameter of bushing 8 is less than axis
The minimum diameter in hole 502, the both sides up and down of rotating cylinder 5 are cased with turning circle 9 in rotation axis 4, are ensureing the situation of supporting ＆ stablizing,
Reduce rotational resistance, a turning circle 9 below is supported on the positioning plate 401 of rotation axis 4.In addition, rotating cylinder 5 is main at present
It is made by EVA foaming, in the manufacturing process that foams, EVA and other auxiliary materials is added in mold, then heating causes
EVA foams, and obtains the crude product of rotary body, but such integral structure is in actual foaming process, heated to be not easy uniformly, to cause
It can not foam in place, cause its surface uneven；Therefore, there are one the present embodiment is set vertically on the inner wall of axis hole 502
Or multiple annular grooves 504；This design, on the one hand saves the production material of rotating cylinder 5, on the other hand passes through multiple annular grooves
504 so that rotating cylinder 5 is heated evenly in process of production, and in setting time, rotating cylinder 5 can foam completely, expansion rate
Block reduces power consumption, is conducive to energy saving；Moreover, such structure also contributes to enhancing 5 damping shock-absorbing effect of rotating cylinder,
Reduce tearing tendency when rotating cylinder 5 is hit.
Among the outer surface of rotating cylinder 5 there is annular groove, reflective tape or coating fluorescent material are set in annular groove, in dark surrounds
In, it is subject to lights of vehicle that there is good reflection action when irradiating, there is good warning for traveling in dark surrounds.This
Outside, it is different from the smooth design in current 5 surface of rotating cylinder, edge on 5 outer surface of rotating cylinder of the present embodiment both sides above and below annular groove
Hemispheric raised 501 are circumferentially and axially uniformly distributed with, on the one hand helps to improve crusherbull zone effect, on the other hand
The frictional force with car body can be increased, make its quick rotation under impact force, vehicle is oriented to, tractor returns to track, drop
Low collision damage.
Schematically the utility model and embodiments thereof are described above, this describes no restricted, attached drawing
Shown in be also the utility model one of embodiment, actual structure is not limited thereto.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design
The frame mode similar to the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (10)
1. a kind of flexible impact type crash barrier for roads, including pedestal (1), rotation axis (4) and the rotation in rotation axis (4)
Rotating cylinder (5), it is characterised in that：Further include upper bracket (2) and supporting item (3)；The lower end of the rotation axis (4) passes through rolling bearing units
On pedestal (1), one end of the upper end connection supporting item (3)；The other end of the supporting item (3) passes through elastic element
(12) upper bracket (2) is connected.
2. a kind of flexible impact type crash barrier for roads according to claim 1, it is characterised in that：The upper bracket (2)
The upper surface of the stone pier (7) is fixed on by foundation bolt.
3. a kind of flexible impact type crash barrier for roads according to claim 1 or 2, it is characterised in that：The upper bracket
(2) there is support plate (201), one end of supporting item (3) has pressing plate (303), and elastic element (12) is located at support plate (201) and pressing plate
(303) between.
4. a kind of flexible impact type crash barrier for roads according to claim 3, it is characterised in that：The support plate (201)
On open up pilot hole (202), pressing plate (303) is equipped with guide post (304)；The elastic element (12) be disk spring, multiple dish
After the superposition of shape spring is sleeved on guide post (304), in guide post (304) end insertion pilot hole (202).
5. a kind of flexible impact type crash barrier for roads according to claim 4, it is characterised in that：The support plate (201)
The link block (10) of connect band endoporus, pressing plate (303) are located in the endoporus of link block (10), and the end plate being connected on block (10)
(11) /V；The support plate (201), link block (10) and end plate (11) are bolted on together.
6. a kind of flexible impact type crash barrier for roads according to claim 4, it is characterised in that：The supporting item (3)
Pressing plate (303) connection middleware (302) one end, the other end connecting sleeve (301) of middleware (302), casing (301) set
In the upper end of rotation axis (4).
7. a kind of flexible impact type crash barrier for roads according to claim 1, it is characterised in that：The rotating cylinder (5)
Outer surface be equipped with raised (501).
8. a kind of flexible impact type crash barrier for roads according to claim 7, it is characterised in that：The rotating cylinder (5)
Outer surface among there is annular groove, reflective tape is set in annular groove；It is convex on rotating cylinder (5) outer surface of both sides above and below the annular groove
(501) are played along the circumferential direction to be uniformly distributed with axial.
9. a kind of flexible impact type crash barrier for roads according to claim 1, it is characterised in that：The rotation axis (4)
On on the lower end position be provided with positioning plate (401)；The rotating cylinder (5) opens up axis hole (502) along axis, and rotating cylinder (5) passes through
Axis hole (502) is mounted in rotation axis (4), and is positioned plate (401) /V；The both ends of the axis hole (502) have bush hole
(503), wherein being equipped with bushing (8), rotation axis (4) passes through bushing (8), and the internal diameter of bushing (8) is less than the minimum of axis hole (502)
Diameter；The both sides up and down of rotating cylinder (5) are cased with turning circle (9) on the rotation axis (4).
10. a kind of flexible impact type crash barrier for roads according to claim 9, it is characterised in that：The axis hole (502)
Inner wall be equipped with one or more annular groove (504) vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721432391.XU CN207452779U (en) | 2017-10-31 | 2017-10-31 | A kind of flexible impact type crash barrier for roads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721432391.XU CN207452779U (en) | 2017-10-31 | 2017-10-31 | A kind of flexible impact type crash barrier for roads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207452779U true CN207452779U (en) | 2018-06-05 |
Family
ID=62253028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721432391.XU Expired - Fee Related CN207452779U (en) | 2017-10-31 | 2017-10-31 | A kind of flexible impact type crash barrier for roads |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207452779U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108824190A (en) * | 2018-08-31 | 2018-11-16 | 长安大学 | A kind of bridge multistage energy-absorbing guardrail |
| CN110205920A (en) * | 2019-06-24 | 2019-09-06 | 重庆交通大学 | Mud-rock flow area bridge pier with floating anticollision device, collision-prevention device |
| CN110607745A (en) * | 2019-09-24 | 2019-12-24 | 福建华成路桥工程有限公司 | Anticollision structure of road and bridge |
| CN112411437A (en) * | 2020-11-30 | 2021-02-26 | 安徽铭心金属制品有限公司 | Rotary assembly realizing self-rotation and road traffic protection device |
| CN112796258A (en) * | 2021-01-29 | 2021-05-14 | 周楠 | High-adaptability protection device for road railings |
-
2017
- 2017-10-31 CN CN201721432391.XU patent/CN207452779U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108824190A (en) * | 2018-08-31 | 2018-11-16 | 长安大学 | A kind of bridge multistage energy-absorbing guardrail |
| CN108824190B (en) * | 2018-08-31 | 2024-01-26 | 长安大学 | Multistage energy-absorbing guardrail of bridge |
| CN110205920A (en) * | 2019-06-24 | 2019-09-06 | 重庆交通大学 | Mud-rock flow area bridge pier with floating anticollision device, collision-prevention device |
| CN110607745A (en) * | 2019-09-24 | 2019-12-24 | 福建华成路桥工程有限公司 | Anticollision structure of road and bridge |
| CN112411437A (en) * | 2020-11-30 | 2021-02-26 | 安徽铭心金属制品有限公司 | Rotary assembly realizing self-rotation and road traffic protection device |
| CN112796258A (en) * | 2021-01-29 | 2021-05-14 | 周楠 | High-adaptability protection device for road railings |
| CN112796258B (en) * | 2021-01-29 | 2024-05-14 | 周楠 | High adaptability protection device for roadblock |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207452779U (en) | A kind of flexible impact type crash barrier for roads | |
| CN201501365U (en) | Device for protecting rear lower part of turnover vehicle | |
| CN106012913B (en) | A kind of road traffic guardrail for being capable of snubber shock | |
| CN109972508B (en) | Anti-collision device for highway bridge | |
| CN210737371U (en) | Rail guard based on road and bridge design | |
| CN207277251U (en) | A kind of super expressway type rotary anti-collision guardrail | |
| CN107447704A (en) | One kind is exempted to install Quick Release road guard | |
| CN207376533U (en) | A kind of rotary crash barrier for roads of simple type | |
| CN207727480U (en) | A kind of flexible safety protective guard for highway | |
| CN109338947A (en) | A kind of collapse type highway isolation belt guardrail | |
| CN211690065U (en) | Take guard fence and rail guard of cylinder | |
| CN205399212U (en) | Public road bridge roof beam crash barrier | |
| CN207727474U (en) | A kind of rotation guardrail | |
| CN205711878U (en) | A kind of have the crashproof road guard forwarding structure | |
| CN208280060U (en) | A kind of fence assembly and the folding road guard with the component | |
| CN208949788U (en) | Elastic helix drum-type anticollision device, collision-prevention device | |
| CN205711872U (en) | A kind of crashproof road guard of new type of safe flexible buffer | |
| CN113356046B (en) | Anti-collision LED fence for municipal road and bridge | |
| CN210049159U (en) | Rotary cylinder and rotary type buffering guardrail | |
| WO2016195240A1 (en) | Guard rail for absorbing impact | |
| CN207277193U (en) | A kind of bridge anticollision cushion guardail | |
| CN104404900B (en) | Lugs and parking method | |
| CN205662878U (en) | Improved generation rotation type anticollision road guardrail | |
| CN209741722U (en) | Impact-reducing central guardrail | |
| CN209975424U (en) | Edge buffering anticollision barrier for municipal administration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180605 |