CN106948294B - Wave form sandwich highway protective structure - Google Patents
Wave form sandwich highway protective structure Download PDFInfo
- Publication number
- CN106948294B CN106948294B CN201710286576.2A CN201710286576A CN106948294B CN 106948294 B CN106948294 B CN 106948294B CN 201710286576 A CN201710286576 A CN 201710286576A CN 106948294 B CN106948294 B CN 106948294B
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- corrugated
- sandwich
- taper pipe
- spiral
- wave form
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- 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
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
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- 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
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/08—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks
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- 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
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/08—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks
- E01F15/088—Details of element connection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The invention relates to a corrugated sandwich highway protection structure which comprises a spiral upright post, a sandwich corrugated plate, a main corrugated cone pipe assembly and a secondary corrugated cone pipe assembly, wherein the sandwich corrugated plate comprises a corrugated shell and fillers arranged in the corrugated shell, the upper part of the spiral upright post rotates along an axis to form a twisted surface, the main corrugated cone pipe assembly and the secondary corrugated cone pipe assembly are connected to the upper parts of the sandwich corrugated plate and the spiral upright post, the main corrugated cone pipe assembly is obliquely connected with the sandwich corrugated plate, and the secondary corrugated cone pipe assembly is vertically connected with the sandwich corrugated plate. The invention solves the problems of insufficient crashworthiness performance, single energy absorption form, poor buffering effect, incapability of effectively preventing vehicles from rushing out of the road surface and the like of the common highway and expressway protective guard, and has high-efficiency energy absorption characteristic; the safety, reliability and stability are high, the collision resistance is strong, and the adaptability of a collision angle is high; the installation is simple, the replacement is convenient, beneficial effects such as sustainable usability are high.
Description
Technical Field
The invention relates to the technical field of road protection, in particular to a wave-shaped sandwich highway protection structure.
Background
In recent years, the problem of road protection becomes increasingly important as the quantity of vehicles kept increases, and the design of road protection becomes an indispensable important part for road construction, in particular to the protection of highways, and a road protection device is arranged in a matching way, and the main purpose of the road protection device is to ensure that vehicles normally run in a set safe route, absorb collision energy in traffic accidents when accidents happen, alleviate the harm of the traffic accidents to the maximum extent, and have effective protection effect on the safety of lives and properties of drivers.
The highway protection device is particularly common in design of highway guard rails, and the guard rails additionally arranged on two sides of a road can effectively prevent a vehicle from exiting the road after a traffic accident to cause secondary damage to passengers.
However, the existing protective guard has a single energy absorption form, is poor in collision angle adaptability and does not have efficient energy absorption characteristics, the wavy beam is poor in collision resistance and cannot perform good buffering energy absorption on an accident vehicle, when an accident occurs, particularly a vehicle is in a high-speed state, the existing protective guard cannot effectively block the vehicle, the instantaneous impact force is large, the accident vehicle often generates drilling, striding, crossing and even breaks the protective guard, and the protective effect of the protective guard is very limited.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a road protective guard with a novel radian sandwich plate structure and a high-efficiency energy absorption device, and aims to solve the problems of insufficient crashworthiness performance, single energy absorption form, poor buffering effect, incapability of effectively preventing vehicles from rushing out of a road surface and the like of a common road and a highway protective guard.
The technical scheme of the invention is as follows:
the utility model provides a wave form sandwich highway protective structure, including spiral stand, sandwich corrugated plate, main ripple taper pipe subassembly, vice ripple taper pipe subassembly, sandwich corrugated plate includes the wave form shell, locate the filler in the wave form shell, the upper portion of spiral stand forms the torsional curved surface with the axis rotation, main ripple taper pipe subassembly, vice ripple taper pipe subassembly all connect in the upper portion of sandwich corrugated plate and spiral stand, main ripple taper pipe subassembly is connected with sandwich corrugated plate slope, vice ripple taper pipe subassembly is connected with sandwich corrugated plate is perpendicular.
Preferably, the upper part of the spiral upright post rotates 90 degrees along the axis to form a twisted surface, and the main corrugated pipe assembly is obliquely connected with the sandwich corrugated plate towards the driving direction of the vehicle at an angle of 45 degrees.
Preferably, the lower part of the spiral upright post is a straight post, the bottom end of the straight post is provided with a base, and a plurality of supporting rib plates are arranged between the base and the straight post.
Preferably, the spiral stand column is of a hollow structure, and a top cover is arranged at the top end of the spiral solid.
Preferably, the wave-shaped housing of the sandwich wave-shaped plate extends in the width direction to form a wavy wave structure, and the primary wave-shaped conical tube assembly and the secondary wave-shaped conical tube assembly are respectively connected to the outer bottom surfaces of the concave surfaces of the wave structure of the wave-shaped housing.
Preferably, an upper end of the wave-shaped casing is an upper inclined surface extending toward the road side, and a lower end of the wave-shaped casing is a lower inclined surface extending toward the road side.
Preferably, the main corrugated taper pipe assembly is located in the middle of the sandwich corrugated plate in the height direction, and the secondary corrugated taper pipe assembly is arranged above or below the main corrugated taper pipe assembly in the height direction.
Preferably, the main corrugated taper pipe assembly comprises a main corrugated taper pipe and a main connector, the auxiliary corrugated taper pipe assembly comprises an auxiliary corrugated taper pipe and an auxiliary connecting plate, the main connector and the auxiliary connecting plate are connected with the sandwich corrugated plate through connecting pieces, and one ends of the main corrugated taper pipe and the auxiliary corrugated taper pipe are respectively connected with the upper portion of the spiral solid.
Preferably, the main connector is a hollow right-angle triangular prism.
The invention has the following beneficial effects:
1. high-efficiency energy absorption characteristic.
The sandwich corrugated plate is of a sandwich enhanced structure and has better collision resistance mechanical characteristics. The filler in the inner part can be selected from filling type materials such as aluminum alloy foam, rubber and the like. The filling type materials such as aluminum alloy foam, rubber and the like can be sawed, milled and drilled, although the weight is light, the energy absorption is larger than that of the filling type materials, and the filling type materials can be matched with a wave-shaped shell of a sandwich wave-shaped plate to fully exert higher collision resistance. Main ripple taper pipe subassembly, vice ripple taper pipe subassembly mainly form by the toper pipe that has certain tapering and accessory combination, and wherein, the toper pipe has more superior stability and impact angle adaptability than the round straight pipe in the aspect of the multi-angle is strikeed, can absorb more collision energy. Meanwhile, compared with a straight pipe, the corrugated pipe can absorb energy more reliably, efficiently and stably through regular plastic folding deformation when being impacted, can effectively reduce instantaneous impact force, and is beneficial to improving the material utilization rate and the energy absorption capacity. The invention combines the collision resistance design concept of the sandwich corrugated plate and the corrugated taper pipe into the design of the protective guard, and generates a combined energy absorption form at the collision generation stage, thereby effectively highlighting the advantages of the protective guard structure in the aspects of collision resistance and high-efficiency energy absorption.
2. The safety, reliability and stability are high, the crashworthiness is strong, and the adaptability of the collision angle is high.
The taper pipes of the main corrugated taper pipe assembly and the auxiliary corrugated taper pipe assembly are of corrugated structures, vehicles are mostly in inclined collision with angles in the collision process, the corrugated pipe body is more stable in crumple deformation when colliding than a straight pipe, and is not easy to destabilize under the multi-angle high-speed impact condition, so that the mechanical resistance effectiveness of the whole structure of the protective guard is ensured. The sandwich corrugated plate is of a corrugated structure, so that the maximum ultimate failure stress of each point in the surface of the corrugated shell is avoided reaching the maximum at the fastest speed when the corrugated shell collides, and the severe deformation and the overall collapse of the corrugated shell are effectively restrained. The protruding and tilting structures at the upper end and the lower end of the waveform shell can also effectively prevent secondary injuries of drilling, straddling, crossing and the like of accident vehicles. When colliding, the wave form panel towards the convex surface of car can collide with accident vehicle at first, can produce better buffering effect, and wave structure also can make sandwich wave form plate's bending resistance improve simultaneously, prevents to warp too big secondary accident that leads to. The spiral stand is buried in the ground, and the spiral stand is hollow cylinder, and the cylinder is first rotated 90 with the axis, presents the distortion shape. In the collision process, the spiral stand column plays a main supporting resisting role and mainly bears bending moment, the twisted cylinder has better bending moment bearing capacity in angle collision, and the ribbed plate on the base can also improve the bending resistance of the twisted cylinder so as to prevent an accident vehicle from breaking the stand column to break the road surface to cause secondary damage. The spiral structure of the spiral stand column enables the main corrugated taper pipe assembly arranged in the middle of the spiral part at the upper part of the spiral stand column to face the driving direction of a vehicle at an angle of 45 degrees, when the vehicle has an accident, the taper pipe can be collapsed in a mode close to frontal collision, the energy absorption is more reliable, and the higher crashworthiness of the corrugated taper pipe is fully exerted. When the shock absorber is implemented, the shock absorber can also be provided with two secondary corrugated taper pipe assemblies which are connected in a manner of being vertical to the sandwich corrugated plate, namely, the shock absorber is vertical to the direction of a road surface, the secondary corrugated taper pipe assemblies and the primary corrugated taper pipe assemblies form a stable and reliable triangular shock resistance range, and the shock angle adaptability can be greatly improved due to the conical design of the primary corrugated taper pipe assemblies and the secondary corrugated taper pipe assemblies.
3. The installation is simple, the replacement is convenient, sustainable usability is high.
The spiral stand is fixed in road both sides ground, and bottom partly buries in the ground, and it is convenient to implement. The main ripple taper pipe subassembly, vice ripple taper pipe subassembly and sandwich wave plate junction set up size complex connecting piece, and the connecting piece comprises bolt and nut and curved surface gasket, and loading and unloading are convenient. Wherein, the tip of the corrugated pipe in main corrugated pipe subassembly, the vice corrugated pipe subassembly is provided with the connecting plate with corrugated pipe size complex, and the connecting plate is favorable to being fixed in sandwich wave plate wave structure's position with corrugated pipe subassembly with special angle. When the corrugated plate is implemented, the corrugated shell of the sandwich corrugated plate, the main corrugated taper pipe assembly, the auxiliary corrugated taper pipe assembly, the connecting piece and the like can be made of aluminum alloy materials, and the corrosion resistance is high. In addition, the top cover of the spiral stand column can effectively prevent rainwater from entering the spiral stand column body and preventing rainwater erosion.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a helical column;
FIG. 3 is a cross-sectional view of a corrugated sandwich plate;
FIG. 4 is a schematic structural diagram of a main corrugated cone assembly;
FIG. 5 is a schematic structural view of a secondary corrugated cone assembly;
in the figure: the corrugated pipe comprises a spiral upright column 1, a main corrugated conical pipe component 2, a secondary corrugated conical pipe component 3, a sandwich corrugated plate 4, a connecting piece 5, a top cover 6, a supporting rib plate 7, a base 8, a main corrugated conical pipe 9, a main connecting head 10, an auxiliary connecting plate 11, a secondary corrugated conical pipe 12, a filler 13 and a corrugated shell 14.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The invention provides a wave-shaped sandwich highway protection structure, aiming at solving the defects of insufficient crashworthiness performance, single energy absorption form, poor buffering effect, incapability of effectively preventing a vehicle from rushing out of a road surface and the like in the prior art, and as shown in figure 1, the wave-shaped sandwich highway protection structure comprises a spiral upright post 1, a sandwich wave-shaped plate 4, a main wave-shaped conical pipe component 2 and a secondary wave-shaped conical pipe component 3, wherein the spiral upright post 1 and the sandwich wave-shaped plate 4 are connected in a component mode through the main wave-shaped conical pipe component 2 and the secondary wave-shaped conical pipe component 3.
As shown in fig. 2, the upper portion of the spiral upright column 1 is rotated by an axis to form a twisted surface, the primary corrugated cone tube assembly 2 and the secondary corrugated cone tube assembly 3 are both connected to the upper portions of the sandwich corrugated plate 4 and the spiral upright column 1, the primary corrugated cone tube assembly 2 is obliquely connected to the sandwich corrugated plate 4, and the secondary corrugated cone tube assembly 3 is vertically connected to the sandwich corrugated plate 4. The lower part of the spiral upright post 1 is a straight post, the bottom end of the straight post is provided with a base 8, and a plurality of supporting rib plates 7 are arranged between the base 8 and the straight post.
During implementation, the spiral upright posts 1 are fixed on the ground on two sides of a road, one part of the bottom of each spiral upright post is embedded in a foundation, the base 8 is fixed on the ground, and the support rib plates 7 play a certain anti-deformation role in the spiral stereoscopic body. Spiral stand 1 is hollow structure's cylinder, and the upper portion of spiral stand 1 forms the twisted surface with the axis rotation 90 to convenient and main ripple taper pipe subassembly 2, vice ripple taper pipe subassembly 3 pass through welded connection, make main ripple taper pipe subassembly can drive the direction that comes and sandwich corrugated plate 4 slope connection towards the vehicle with 45 angle. When an accident vehicle collides with the protective guard, the main corrugated pipe assembly can more accurately and efficiently play a role in crumpling and energy absorption. The top of spiral stand 1 sets up size complex top cap 6, avoids causing the corruption in the rainy day rainwater gets into the stand.
As shown in fig. 3, the sandwich corrugated board includes a corrugated shell 14, and a filler 13 disposed within the corrugated shell 14. In the present embodiment, the corrugated shell 14 is made of aluminum alloy by stamping, and the filler 13 may be made of filler-type material such as aluminum foam. The corrugated shell 14 has a certain length and extends in the width direction to form a wavy structure, and the primary corrugated cone assembly 2 and the secondary corrugated cone assembly 3 are respectively connected to the outer bottom surface of the concave surface of the wavy structure of the corrugated shell 14. The main corrugated taper pipe assembly 2 is located in the middle of the sandwich corrugated plate 4 in the height direction, and the auxiliary corrugated taper pipe assembly 3 is arranged above or below the main corrugated taper pipe assembly 2 in the height direction.
In this embodiment, the wave-shaped housing 14 is provided with two convex surfaces and three concave surfaces when viewed from a side facing a road, and the three concave surfaces are connected with the two secondary wave-shaped taper pipe assemblies 3 and the primary wave-shaped taper pipe assembly 2 through the connecting piece 5, so that the convex surfaces can be contacted with an accident vehicle at the first time, and the buffering and energy-absorbing effects of the wave-shaped plate 4 can be better exerted.
Meanwhile, the upper end of the wave-shaped shell 14 is an upper inclined surface extending towards one side of the road, and the lower end of the wave-shaped shell 14 is a lower inclined surface extending towards one side of the road, so that a tilting structure is formed respectively, and secondary injuries such as drilling, striding, crossing and the like of an accident vehicle can be effectively prevented.
As shown in fig. 4 and 5, the primary corrugated pipe assembly 2 and the secondary corrugated pipe assembly 3 are formed as independent assemblies by connecting corrugated pipes and fittings with matched sizes in a welding manner. The main corrugated taper pipe assembly 2 comprises a main corrugated taper pipe 9 and a main connecting head 10, the auxiliary corrugated taper pipe assembly 3 comprises an auxiliary corrugated taper pipe 12 and an auxiliary connecting plate 11, the main connecting head 10 and the auxiliary connecting plate 11 are connected with the sandwich corrugated plate 4 through the connecting piece 5, and one end of the main corrugated taper pipe 9 and one end of the auxiliary corrugated taper pipe 12 are connected with the upper portion of the spiral solid respectively.
In this embodiment, one main corrugated conical pipe assembly 2, two sub corrugated conical pipe assemblies 3, and the sub corrugated conical pipe assemblies 3, the main corrugated conical pipe assembly 2, and the sub corrugated conical pipe assemblies 3 are sequentially arranged in the upper, middle, and lower positions of the spiral portion on the upper portion of the spiral upright column 1. Main ripple taper pipe subassembly 2, vice ripple taper pipe subassembly 3 pass through connecting piece 5 respectively with wave shell 14 middle and both ends concave surface connection, have carried out effective connection with sandwich corrugated plate 4 and spiral stand 1 to play fine supporting role to sandwich corrugated plate 4.
The connecting piece 5 comprises a bolt, a nut, a screw and a curved gasket, and the connecting piece 5 mainly has the function of reliably connecting the sandwich corrugated plate 4 with the main corrugated taper pipe assembly 2 and the auxiliary corrugated taper pipe assembly 3.
Examples
One part of spiral stand 1 is buried in the ground, and 1 height 950mm of spiral stand, the spiral part height 620mm on the upper portion of spiral stand 1, the spiral twists reverse 90 degrees, and wall thickness 10mm, 6 wall thickness 10mm of top cap, 8 thickness 20mm of base, diameter 350mm, 7 thickness 5mm of support floor all around. The invention relates to a unit of a plurality of repeated units of a road guard rail, and in implementation, each unit has two spiral upright posts 1 with the distance of 1058mm.
The main corrugated taper pipe assembly 2 comprises a main corrugated taper pipe 9 and a main connector 10, wherein the vertical height of the main corrugated taper pipe 9 is 200mm, the wall thickness is 1.5mm, 20 periods of sine waves are provided, the amplitude is 1.5mm, the diameter of the bottom end is 110mm, and the taper is 7 degrees. The main connector 10 is a hollow right-angle triangular prism, the height of the main connector is 120mm, the wall thickness of the main connector is 5mm, the side length of the hypotenuse of the triangular cross section of the main connector is 120mm, and two M16 through holes with the interval of 50mm are drilled on the connecting surface of the triangular cross section.
The secondary corrugated taper pipe component 3 comprises a secondary corrugated taper pipe 12 and a secondary connecting plate 11, wherein the wall thickness of the secondary corrugated taper pipe 12 is 1.5mm, 8 periods of sine waves are totally formed, the wave amplitude is 1mm, the diameter of the bottom end is 90mm, and the taper is 3 degrees. The thickness of the auxiliary connecting plate 11 is 10mm, the side length is 80mm, and two M16 threaded through holes with the interval of 50mm are drilled on the connecting surface.
The top ends of the main corrugated taper pipe component 2 and the auxiliary corrugated taper pipe component 3 are respectively connected with the middle part and two end concave surfaces of the sandwich corrugated plate 4 through a connecting piece 5 and a standard piece M16 nut, screw and bolt.
Sandwich wave form board 4 includes wave form shell 14 and filler 13, sandwich wave form board 4 is 1500mm long, sandwich wave form board 4 has two convex surfaces and three concave surface, wall thickness 3mm, three concave surface and two vice wave form taper pipe subassemblies 3 and a main wave form taper pipe subassembly 2 pass through connecting piece 5 to be connected, make the convex surface can contact at the very first time with the accident vehicle, better performance sandwich wave form board 4's buffering energy-absorbing effect, the outstanding structure of waning at the upper and lower both ends of wave form shell 14 also can effectually prevent that the accident vehicle from taking place to bore down, ride and stride, secondary damage such as crossing. The filler 13 concerned is aluminium foam with a thickness of 30mm and a density of 0.3g/cm3, and the corrugated outer shell 14 is stamped from aluminium alloy.
The above examples are provided only for illustrating the present invention and are not intended to limit the present invention. Changes, modifications, etc. to the above-described embodiments are intended to fall within the scope of the claims of the present invention as long as they are in accordance with the technical spirit of the present invention.
Claims (9)
1. The utility model provides a wave form sandwich highway protective structure, a serial communication port, including the spiral stand, the sandwich wave form board, main ripple taper pipe subassembly, vice ripple taper pipe subassembly, the sandwich wave form board includes the wave form shell, locate the filler in the wave form shell, the wave form shell is provided with two convex surfaces and three concave surface, three concave surface passes through the connecting piece with two vice ripple taper pipe subassemblies and a main ripple taper pipe subassembly and is connected, the upper portion of spiral stand forms the turn-round surface with the axis rotation, main ripple taper pipe subassembly, vice ripple taper pipe subassembly all connects in the upper portion of sandwich wave form board and spiral stand, main ripple taper pipe subassembly is connected with the slope of sandwich wave form board, vice ripple taper pipe subassembly is connected with the sandwich wave form board is perpendicular.
2. The corrugated sandwich highway containment structure of claim 1 wherein the upper portion of the helical columns is rotated 90 ° about the axis to form a twisted surface, and the primary bellows assembly is connected to the corrugated sandwich plate at an angle of 45 ° in an inclined manner toward the oncoming direction of the vehicle.
3. The corrugated sandwich highway protective structure according to claim 1, wherein the lower portion of the spiral upright post is a straight post, the bottom end of the straight post is provided with a base, and a plurality of supporting rib plates are arranged between the base and the straight post.
4. The corrugated sandwich highway protective structure according to any one of claims 1 to 3, wherein the spiral upright posts are hollow structures, and a top cover is arranged at the top end of the spiral solid.
5. The sandwich highway protective structure according to claim 1, wherein the corrugated outer shell of the sandwich corrugated plate extends in the width direction to form a wavy corrugated structure, and the primary corrugated tapered tube assembly and the secondary corrugated tapered tube assembly are respectively connected to the outer bottom surfaces of the concave surfaces of the corrugated structure of the corrugated outer shell.
6. The corrugated sandwich highway containment structure of claim 5 wherein the upper end of the corrugated outer shell is an upper inclined surface extending toward one side of the roadway and the lower end of the corrugated outer shell is a lower inclined surface extending toward one side of the roadway.
7. The corrugated sandwich highway protective structure according to claim 5, wherein the primary corrugated coned tube assembly is located at a middle position of the corrugated sandwich plate in a height direction, and the secondary corrugated coned tube assembly is disposed above or below the primary corrugated coned tube assembly in the height direction.
8. The corrugated sandwich highway protective structure according to claim 1, wherein the primary corrugated pipe assembly comprises a primary corrugated pipe and a primary connector, the secondary corrugated pipe assembly comprises a secondary corrugated pipe and a secondary connecting plate, the primary connector and the secondary connecting plate are both connected with the sandwich corrugated plate through connecting pieces, and one end of the primary corrugated pipe and one end of the secondary corrugated pipe are respectively connected with the upper part of the spiral solid.
9. The corrugated sandwich highway containment structure of claim 8 wherein the primary connectors are hollow right triangular prisms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710286576.2A CN106948294B (en) | 2017-04-27 | 2017-04-27 | Wave form sandwich highway protective structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710286576.2A CN106948294B (en) | 2017-04-27 | 2017-04-27 | Wave form sandwich highway protective structure |
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| CN106948294A CN106948294A (en) | 2017-07-14 |
| CN106948294B true CN106948294B (en) | 2023-04-07 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109024385B (en) * | 2018-09-20 | 2023-11-21 | 华侨大学 | Highway safety protective guard |
| CN110532679B (en) * | 2019-08-28 | 2021-10-19 | 中国科学院力学研究所 | Spiral corrugated pipe for impact energy absorption and automatic design method thereof |
| CN113832893A (en) * | 2020-06-08 | 2021-12-24 | 江苏禾润新型环保材料有限公司 | Effectual guardrail connector of anticollision |
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| CH449689A (en) * | 1967-05-19 | 1968-01-15 | Alusuisse | Road barrier made of composite material |
| CH462870A (en) * | 1966-12-16 | 1968-09-30 | Sina In Nat Autostradali | Road barrier with hollow beam current |
| WO2008146969A1 (en) * | 2007-05-25 | 2008-12-04 | Ae-Dan Lee | Safety guide rail |
| KR20120051347A (en) * | 2010-11-12 | 2012-05-22 | 부산대학교 산학협력단 | Column structure for marine equipment |
| CN102900036A (en) * | 2012-11-02 | 2013-01-30 | 卞乐平 | Buffering anti-collision guardrail on expressway |
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2017
- 2017-04-27 CN CN201710286576.2A patent/CN106948294B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH462870A (en) * | 1966-12-16 | 1968-09-30 | Sina In Nat Autostradali | Road barrier with hollow beam current |
| CH449689A (en) * | 1967-05-19 | 1968-01-15 | Alusuisse | Road barrier made of composite material |
| WO2008146969A1 (en) * | 2007-05-25 | 2008-12-04 | Ae-Dan Lee | Safety guide rail |
| KR20120051347A (en) * | 2010-11-12 | 2012-05-22 | 부산대학교 산학협력단 | Column structure for marine equipment |
| CN102900036A (en) * | 2012-11-02 | 2013-01-30 | 卞乐平 | Buffering anti-collision guardrail on expressway |
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