CN215925800U - Nanometer energy-absorbing road safety protective guard - Google Patents
Nanometer energy-absorbing road safety protective guard Download PDFInfo
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- CN215925800U CN215925800U CN202121931525.9U CN202121931525U CN215925800U CN 215925800 U CN215925800 U CN 215925800U CN 202121931525 U CN202121931525 U CN 202121931525U CN 215925800 U CN215925800 U CN 215925800U
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Abstract
The utility model discloses a nano energy-absorbing road safety protective guard which comprises stand columns, energy-absorbing buffer structures, corrugated plates and spiral ground bolts, wherein the stand columns are arranged on one sides of the corrugated plates at intervals, the energy-absorbing buffer structures are arranged on the stand columns, and the stand columns are connected with the corrugated plates through the energy-absorbing buffer structures. The nano energy absorption structure is arranged in the buffering energy absorption device of the nano energy absorption protective guard, so that energy can be effectively consumed, and the impact force of a vehicle can be reduced. The impact load can be effectively transmitted to the corrugated plate, the stand column and the nano energy absorption structure, and multi-stage energy consumption is realized. The structure is simple and reliable, the weight is light, the production cost is low, the cost performance is high, and the installation is convenient.
Description
Technical Field
The utility model relates to the field of road safety protective guards, in particular to a nanometer energy-absorbing safety protective guard for an expressway.
Background
In recent years, with the rapid development of the traffic construction in China, the rapid development of the traffic construction in China has an obvious driving effect on the economic development, and meanwhile, the frequent occurrence of high-speed traffic safety accidents causes great economic loss and casualties. The protective fence is a traffic safety protection facility arranged beside a road, and can reduce accident casualty rate. However, the common safety guard rail mostly resists the impact force generated by vehicle collision through the deformation of the guard rail, mainly adopts rigid materials, does not have good buffering energy consumption performance, and has poor protection effect. Therefore, it is highly desirable to provide a novel nano energy-absorbing road safety guard rail to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a nanometer energy-absorbing safety protective guard for a highway. The guard rail adopts a nano energy absorption structure, high-performance nano fluid energy absorption materials are filled in the guard rail, and impact energy is dissipated integrally through structural deformation, energy consumption of the nano energy absorption structure and the like when a vehicle collides.
In order to achieve the above purpose, the embodiment of the utility model adopts the following technical scheme:
according to one embodiment provided by the utility model, the utility model provides a nano energy-absorbing road safety protective guard which comprises upright posts, energy-absorbing buffer structures, corrugated plates and spiral ground bolts, wherein the upright posts are arranged on one sides of the corrugated plates at intervals, the energy-absorbing buffer structures are arranged on the upright posts, and the upright posts are connected with the corrugated plates through the energy-absorbing buffer structures.
Preferably, the bottom of the upright post is connected with a spiral ground pile, and the spiral ground pile is anchored and connected to the ground.
Preferably, the upright post is fixedly connected with the buffering energy-absorbing structure, and the buffering energy-absorbing structure is connected with the corrugated plate through a connecting bolt.
Preferably, the top surface of stand flushes with the buckled plate, and buffering energy-absorbing structure locates stand upper portion.
Preferably, the buffering energy-absorbing structure is a cylindrical structure, a nano energy-absorbing body is filled in the buffering energy-absorbing structure, and the nano energy-absorbing body is made of a flexible packaging material and a nano fluid energy-absorbing material.
Preferably, the nanofluid energy-absorbing material is wrapped in the nano flexible packaging material.
Preferably, the flexible packaging material is made of a rubber material, a TUP material or a polyol-based polyurethane elastomer.
Preferably, the corrugated plate is made of Q325 steel, and the corrugation of the corrugated plate is arranged along the horizontal direction.
Compared with the prior art, the utility model has the beneficial effects that:
1. the nano energy absorption structure is arranged in the buffering energy absorption device of the nano energy absorption protective guard, so that energy can be effectively consumed, and the impact force of a vehicle can be reduced.
2. Each component in the nanometer energy-absorbing protective fence forms a protective whole, and can effectively transmit impact load to the corrugated plate, the stand column and the nanometer energy-absorbing structure, so that multilevel energy consumption is realized.
3. The nano energy-absorbing structure packaging material adopts rubber, TUP, polyol-based polyurethane elastomer packaging materials and the like.
The nano energy-absorbing protective fence has the advantages of simple and reliable integral structure, light weight, low production cost, high cost performance and convenience in installation; meanwhile, the spiral ground pile is directly driven into a set position, so that the grounding is convenient and reliable, and the supporting force is strong. Has the advantages of ideal impact-proof effect, lower production cost and simple and convenient installation.
Drawings
FIG. 1 is a schematic view of the overall structural installation of the present invention;
FIG. 2(a) is a schematic view of a single-section nano energy-absorbing guard rail;
fig. 2(b) is a schematic view of a corrugated plate structure.
In the figure: 1. a column; 2. an energy-absorbing buffer structure; 3. a corrugated plate; 4. a spiral ground bolt; 5. a nano energy absorber; 6. and (4) bolts.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a nanometer energy-absorbing road safety protective guard, including stand 1, energy-absorbing buffer structure 2, buckled plate 3, spiral geotome 4 and connecting bolt 6, be interval arrangement stand 1 in one side of buckled plate 3, be equipped with energy-absorbing buffer structure 2 on stand 1, stand 1 connects with buckled plate 3 through energy-absorbing buffer structure 2.
Wherein, 1 bottom of stand is connected with spiral ground stake 4, connects on ground through 4 anchor of spiral ground stake, and spiral ground stake 4 can be squeezed into and set for the position, has anti non-skid property simultaneously, has good wind resistance and stability.
Wherein, the top surface and the buckled plate 3 of stand flush, 1 upper portion on the stand are located to buffering energy-absorbing structure 2, stand and buffering energy-absorbing structure fixed connection, and buffering energy-absorbing structure 2 passes through connecting bolt 6 and is connected with buckled plate 3.
As shown in fig. 2(a), the buffering energy-absorbing structure 2 is a cylindrical structure, a nano energy-absorbing body 5 is filled inside the buffering energy-absorbing structure, the nano energy-absorbing body 5 is composed of a flexible packaging material and a nano fluid energy-absorbing material, and the nano fluid energy-absorbing material is coated in the flexible packaging material. The packaging material adopts rubber material, TUP material or polyol-based polyurethane elastomer and the like. The packaging material is internally provided with a nano energy-absorbing material, and the effect of buffering external force is realized by utilizing the functions of nano porosity and non-wettability of the uniform flowable liquid.
When the nano fluid energy absorption material is impacted by external force, external kinetic energy can force non-wetting functional liquid to flow into the inside of a nano porous material pore channel, external mechanical work is converted into solid-liquid interface energy and frictional heat energy, the functional liquid flows out of the nano pore channel after the external force is cancelled, and the material can be repeatedly utilized.
The nano energy-absorbing material has excellent damping and buffering effects when the nano energy-absorbing material is subjected to nonlinear and high-speed impact even multiple times of impact.
When the whole guard rail is impacted by an external automobile, the corrugated plate is made of Q325 steel, and the corrugation of the corrugated plate is arranged along the horizontal direction, as shown in figure 2 (b); the energy-absorbing structure packaging material is a polyol-based polyurethane packaging material. When the vehicle collides the rail guard, the buckled plate plays preliminary resistance to the impact of car at first, and simultaneously, the buckled plate transmits the impact to the energy-absorbing structure on, and the energy-absorbing structure consumes energy in a large number, and the stand plays certain supporting role, consumes energy step by step for the security of whole rail guard is better.
The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.
Claims (8)
1. The utility model provides a nanometer energy-absorbing road safety protective guard, its characterized in that, includes stand, energy-absorbing buffer structure, buckled plate and spiral ground bolt, is the interval arrangement stand in one side of buckled plate, is equipped with energy-absorbing buffer structure on the stand, and the stand meets with the buckled plate through energy-absorbing buffer structure.
2. The nano energy-absorbing road safety guard rail of claim 1, wherein the bottom of the upright post is connected with a spiral ground pile, and the upright post is anchored on the ground through the spiral ground pile.
3. The nano energy-absorbing road safety guard rail of claim 1, wherein the upright posts are fixedly connected with the energy-absorbing buffering structure, and the energy-absorbing buffering structure is connected with the corrugated plate through connecting bolts.
4. The nano energy-absorbing road safety guard rail of claim 1, wherein the top surface of the upright is flush with the corrugated plate, and the energy-absorbing buffering structure is arranged at the upper part of the upright.
5. The nanometer energy-absorbing road safety guard fence as claimed in claim 1, wherein the buffering energy-absorbing structure is a cylinder structure, and a nanometer energy-absorbing body is filled in the buffering energy-absorbing structure, and the nanometer energy-absorbing body is composed of a flexible packaging material and a nanometer fluid energy-absorbing material.
6. The nano energy-absorbing road safety guard rail of claim 5, wherein the nano fluid energy-absorbing material is coated in the flexible packaging material.
7. The nano energy-absorbing road safety guard rail of claim 5, wherein the flexible packaging material is a rubber material, a TUP material or a polyol-based polyurethane elastomer.
8. The nano energy-absorbing road safety guard rail of claim 1, wherein the corrugated plate is made of Q325 steel, and the corrugation of the corrugated plate is arranged along the horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121931525.9U CN215925800U (en) | 2021-08-17 | 2021-08-17 | Nanometer energy-absorbing road safety protective guard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121931525.9U CN215925800U (en) | 2021-08-17 | 2021-08-17 | Nanometer energy-absorbing road safety protective guard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215925800U true CN215925800U (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121931525.9U Active CN215925800U (en) | 2021-08-17 | 2021-08-17 | Nanometer energy-absorbing road safety protective guard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215925800U (en) |
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2021
- 2021-08-17 CN CN202121931525.9U patent/CN215925800U/en active Active
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