CN215857406U - Road anti-collision guardrail - Google Patents
Road anti-collision guardrail Download PDFInfo
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- CN215857406U CN215857406U CN202121318611.2U CN202121318611U CN215857406U CN 215857406 U CN215857406 U CN 215857406U CN 202121318611 U CN202121318611 U CN 202121318611U CN 215857406 U CN215857406 U CN 215857406U
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Abstract
The utility model relates to a road anti-collision guardrail, which comprises a plurality of cross beams which are arranged at intervals up and down and horizontally, wherein the end parts of the cross beams are jointly arranged to be a buffering part, the cross beams positioned at the outer side of the buffering part are jointly provided with a first upright post, the cross beams positioned at the buffering part are jointly provided with a second upright post, the cross beams of the buffering part are all of a hollow tubular structure, the second upright post divides a single cross beam of the buffering part into a plurality of buffering sections along the length direction, and the circumferential side surface of each single buffering section is provided with a transverse long groove which penetrates through the inside and the outside and is arranged along the length direction; the bottom surface of the cross beam positioned at the lowest part of the buffer part is provided with a sliding structure along the length direction, and the sliding structure enables the stressed buffer part to move relative to the ground in the length direction; when receiving the striking, the lateral buckling of buffering section atress middle part is exploded, and on the other hand, sliding structure also can make buffer move along length direction to absorb the striking energy, realize the anticollision through mechanical structure, reduce the damage, simple structure is ingenious.
Description
Technical Field
The utility model relates to the technical field of road guardrails, in particular to a road anti-collision guardrail.
Background
Usually, guardrails are installed on roads to separate the roads into two different lanes, or to perform the functions of isolation and guidance at a fork and a ramp. In the vehicle driving process, if the vehicle deviates, the guardrail can play an effective protection role, and the vehicle is prevented from directly rushing into opposite or adjacent lanes, so that more serious consequences are generated.
When a vehicle is out of control and collides with the guardrail, the guardrail plays a role in isolation and prevention, but the vehicle and the guardrail can be damaged due to the huge impact force generated when the vehicle collides with the guardrail, so that the safety of personnel in the vehicle cannot be guaranteed to the maximum extent; in the prior art, the existing anti-collision guardrail is realized by adopting an elastic material or a layer-by-layer buffer structure, and the structure is relatively complex and has higher cost.
SUMMERY OF THE UTILITY MODEL
The applicant provides a road anticollision barrier rational in infrastructure to the shortcoming among the above-mentioned prior art of production to realize the anticollision through mechanical structure, the effective absorption impact capacity, the helping hand is in reducing the damage, and simple structure is ingenious, and the practicality is good.
The technical scheme adopted by the utility model is as follows:
a road anti-collision guardrail comprises a plurality of cross beams which are arranged at intervals up and down and horizontally, the end parts of the cross beams are jointly arranged to be a buffering part, a first vertical column is jointly arranged on the cross beams positioned on the outer side of the buffering part, a second vertical column is jointly arranged on the cross beams positioned on the buffering part, the cross beams of the buffering part are all of a hollow tubular structure, the second vertical column divides a single cross beam of the buffering part into a plurality of buffering sections along the length direction, and transverse long grooves which penetrate through the inside and the outside and are arranged on the circumferential side surface of each buffering section along the length direction are formed in the circumferential side surface of each buffering section; the bottom surface of the cross beam positioned at the lowest part of the buffer part is provided with a sliding structure along the length direction, and the sliding structure enables the stressed buffer part to move relative to the ground in the length direction.
As a further improvement of the above technical solution:
the crossbeam of the buffering part is a hollow tubular structure with a rectangular cross section, and four side surfaces of the buffering section of the crossbeam are provided with transverse long grooves.
The buffer section is provided with a reflective strip towards the side of the road along the length direction.
The reflective strips are arranged in the middle of the side face of the buffer section, and transverse long grooves are uniformly distributed on the side face of the buffer section above and below the reflective strips.
The bottom surface of the sliding structure is fixedly arranged on the ground through long bolt assemblies uniformly distributed along the length direction; the first upright post extends downwards and penetrates through the cross beam at the lowest part, and the bottom end of the first upright post is downwards inserted into the ground.
The structure of the sliding structure is as follows: the beam comprises an upper channel steel and a lower channel steel which are embedded in an up-down opposite mode, wherein the top surface of the upper channel steel is fixedly installed with the beam, and the bottom surface of the lower channel steel are fixedly installed.
The cross sections of the upper channel steel and the lower channel steel are of U-shaped structures, and after the upper channel steel and the lower channel steel are embedded oppositely, the side surfaces of two sides of the upper channel steel and the lower channel steel are fixedly installed relatively through small bolts uniformly distributed along the length direction.
The vertical rods are mounted on the cross beams at the ends of the buffering portions, the vertical rods extend out of the uppermost cross beam upwards, and the signboard is mounted on the upper portion of each vertical rod.
Two groups of buffering parts are arranged at intervals, and the corresponding cross beams at the ends of the two groups of buffering parts are connected through convex arc pipes.
The middle part of the convex arc surface of the single arc pipe is provided with a reflecting strip along the arc length direction; the bottom surface of the arc-shaped pipe at the lowest part is provided with an arc-shaped seat which is of an outward convex arc-shaped structure, and the bottom surface of the arc-shaped seat is fixedly installed with the ground through long bolt assemblies which are uniformly distributed along the arc length direction.
The utility model has the following beneficial effects:
the guardrail is compact and reasonable in structure, when the guardrail is impacted, the middle part of the guardrail is bent and exploded in the lateral direction after the buffering section is stressed, and on the other hand, the buffering part can move along the length direction by the sliding structure, so that the impact energy is effectively absorbed, namely, the energy absorption in the impact process is realized through the mechanical structure, the damage is reduced, the structure is simple and ingenious, the cost is low, and the practicability is good;
the utility model also comprises the following advantages:
the installation of the reflective strips plays roles in warning and driving guide;
the sliding structures for communication are oppositely arranged and installed by the upper channel steel and the lower channel steel, when the sliding structures are stressed, the upper channel steel and the lower channel steel relatively move along the length direction, and the sliding structures assist in buffering and energy absorption of the buffering part;
the upper channel steel and the lower channel steel are fixedly connected through small bolts on the side faces, normal use of the guardrail can be guaranteed in a normal state, and when the guardrail is impacted by a large impact force, the small bolts are stressed and broken, so that the upper channel steel and the lower channel steel slide;
the two groups of buffer parts arranged at intervals are connected through the convex arc-shaped pipe, the structure is more suitable for the elevated ramp port, the running guide is carried out on the vehicle, and the buffer energy absorption is realized during the impact.
Drawings
Fig. 1 is a schematic structural diagram (embodiment one) of the present invention.
FIG. 2 is a schematic diagram of the structure of a single buffer segment according to the present invention.
Fig. 3 is a schematic cross-sectional view of the sliding structure of the present invention.
Fig. 4 is a schematic structural diagram of the present invention (embodiment two).
Wherein: 1. a cross beam; 2. a first upright post; 3. a second upright post; 4. a vertical rod; 5. a signboard; 6. a sliding structure; 7. a long bolt assembly; 8. a light-reflecting strip; 9. an arc tube; 10. an arc-shaped seat; 11. a buffer section; 111. a transverse elongated slot; 61. a small bolt; 62. feeding channel steel; 63. and (4) lower channel steel.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the road anti-collision guardrail of the embodiment includes a plurality of beams 1 which are horizontally arranged at intervals from top to bottom, the ends of the plurality of beams 1 are jointly provided as a buffer portion, the plurality of beams 1 positioned at the outer side of the buffer portion are jointly provided with a first column 2, the plurality of beams 1 positioned at the buffer portion are jointly provided with a second column 3, the beams 1 of the buffer portion are all of a hollow tubular structure, the second column 3 divides a single beam 1 of the buffer portion into a plurality of buffer sections 11 along the length direction, and as shown in fig. 2, the circumferential side surface of each single buffer section 11 is provided with a transverse elongated slot 111 which penetrates through the inside and the outside and is arranged along the length direction; and a sliding structure 6 along the length direction is arranged on the bottom surface of the cross beam 1 at the lowest part of the buffer part, and the sliding structure 6 enables the stressed buffer part to move relative to the ground in the length direction.
The beam 1 of the buffer part is a hollow tubular structure with a rectangular section, and four side surfaces of the buffer section 11 are provided with transverse long grooves 111.
The buffer section 11 is provided with a reflective strip 8 along the length direction towards the side of the road.
The reflective strips 8 are arranged in the middle of the side surfaces of the buffer section 11, and transverse long grooves 111 are uniformly distributed on the side surfaces of the buffer section 11 above and below the reflective strips 8.
The bottom surface of the sliding structure 6 is fixedly arranged on the ground through long bolt assemblies 7 uniformly distributed along the length direction; the first upright post 2 extends downwards and penetrates through the cross beam 1 at the lowest part, and the bottom end of the first upright post 2 is inserted downwards into the ground.
As shown in fig. 3, the slip structure 6 has the following structure: the beam comprises an upper channel steel 62 and a lower channel steel 63 which are embedded in an up-down opposite mode, wherein the top surface of the upper channel steel 62 is fixedly installed with the beam 1, and the bottom surface of the lower channel steel 63 is fixedly installed with the bottom surface.
The sliding structures 6 which are oppositely arranged and communicated with each other through the upper channel steel 62 and the lower channel steel 63 are arranged, when the sliding structures are stressed, the upper channel steel 62 and the lower channel steel 63 move relatively along the length direction, and the sliding structures help the buffer part to absorb energy.
The sections of the upper channel steel 62 and the lower channel steel 63 are both U-shaped structures, and after the upper channel steel 62 and the lower channel steel 63 are oppositely embedded, the side surfaces of the two sides of the upper channel steel 62 and the lower channel steel 63 are oppositely and fixedly installed through small bolts 61 uniformly distributed along the length direction.
Go up the channel-section steel 62 and install the rigid coupling through the little bolt 61 of side between the channel-section steel 63 down, can guarantee the normal use of guardrail under the normal condition, and when the collision takes place to receive huge impact force, little bolt 61 atress rupture for go up and produce between channel-section steel 62 and the lower channel-section steel 63 and slide.
The vertical rod 4 is installed jointly to the crossbeam 1 of buffer portion end department, and the montant 4 upwards stretches out in the crossbeam 1 of top, and signboard 5 is installed on 4 upper portions of montant.
The first embodiment is as follows:
as shown in fig. 1, the buffer part is provided at the end of the road guardrail, the signboard 5 is provided facing the incoming direction, and when the vehicle deviates from the driving track, the vehicle contacts the buffer part first, and the buffer part absorbs the impact energy, thereby reducing the damage.
Example two:
as shown in figure 4, two groups of buffering parts are arranged at intervals, the corresponding cross beams 1 at the ends of the two groups of buffering parts are connected through the convex arc-shaped pipes 9, and the structure is more suitable for the elevated ramp port to guide the running of a vehicle and play roles in buffering and absorbing energy during collision.
The middle part of the convex arc surface of the single arc pipe 9 is provided with a reflecting strip 8 along the arc length direction; the bottom surface of the arc-shaped pipe 9 at the lowest part is provided with an arc-shaped seat 10 which is also of an outward convex arc-shaped structure, and the bottom surface of the arc-shaped seat 10 is fixedly arranged with the ground through long bolt assemblies 7 which are uniformly distributed along the arc length direction.
The signboard 5 of the two groups of buffer parts is connected into a whole; the signboard 5 is arranged facing the incoming direction.
The installation of the reflective strips 8 on the side surface of the buffer section 11 and the outer convex surface of the arc-shaped tube 9 can play a role in warning and prompting running vehicles.
In this embodiment, the entire cross beam 1 is of a tubular structure, or the cross beam 1 is of a tubular structure only in the buffer portion;
in this embodiment, the first upright post 2 penetrates the plurality of cross beams 1 up and down and is welded and connected into a whole, and the second upright post 3 penetrates the plurality of cross beams 1 and is welded and connected into a whole.
The guardrail is arranged on a road, plays the roles of road isolation and guidance, and warns and reminds by arranging the light reflecting strips 8;
when a running vehicle deviates from and impacts the guardrail, the running vehicle impacts the buffer part of the guardrail along the running direction, and after the buffer section 11 is stressed, the middle part of the buffer section 11 is bent and exploded in the lateral direction due to the existence of the transverse long groove 111 on the buffer section; on the other hand, under strong impact force, the small bolt 61 connecting the upper channel steel 62 and the lower channel steel 63 in the sliding structure 6 is broken under stress, the upper channel steel 62 moves relative to the lower channel steel 63 under stress, the buffer part moves along the length direction along with the upper channel steel 62, and further the impact energy is effectively absorbed by assisting force, so that damage is reduced.
The utility model has simple and ingenious structure, realizes reliable and effective energy absorption in the impact process through a mechanical structure, and has low cost and good practicability.
The above description is intended to illustrate the present invention and not to limit the present invention, which is defined by the scope of the claims, and may be modified in any manner within the scope of the present invention.
Claims (10)
1. The utility model provides a road anti-collision guardrail, includes a plurality of crossbeams (1) of upper and lower interval and level setting, its characterized in that: the end parts of the crossbeams (1) are jointly arranged to form a buffering part, the crossbeams (1) positioned on the outer side of the buffering part are jointly provided with a first upright post (2), the crossbeams (1) positioned on the buffering part are jointly provided with a second upright post (3), the crossbeams (1) of the buffering part are all of a hollow tubular structure, the second upright post (3) divides a single crossbeam (1) of the buffering part into a plurality of buffering sections (11) along the length direction, and the circumferential side surfaces of the single buffering sections (11) are respectively provided with a transverse long groove (111) which penetrates inside and outside and along the length direction; the bottom surface of the cross beam (1) at the lowest part of the buffer part is provided with a sliding structure (6) along the length direction, and the sliding structure (6) enables the buffer part stressed to move relative to the ground in the length direction.
2. A road crash barrier according to claim 1, wherein: the beam (1) of the buffer part is a hollow tubular structure with a rectangular cross section, and four side surfaces of the buffer section (11) of the beam are provided with transverse long grooves (111).
3. A road crash barrier according to claim 2, wherein: the buffer section (11) is provided with a reflective strip (8) towards the side of the road along the length direction.
4. A road crash barrier according to claim 3, wherein: the light reflecting strips (8) are arranged in the middle of the side face of the buffer section (11), and transverse long grooves (111) are uniformly distributed on the side face of the buffer section (11) above and below the light reflecting strips (8).
5. A road crash barrier according to claim 1, wherein: the bottom surface of the sliding structure (6) is fixedly arranged on the ground through long bolt assemblies (7) uniformly distributed along the length direction; the first upright post (2) extends downwards and penetrates through the cross beam (1) at the lowest part, and the bottom end of the first upright post (2) is inserted downwards into the ground.
6. A road crash barrier according to claim 1, wherein: the structure of the sliding structure (6) is as follows: the beam comprises an upper channel steel (62) and a lower channel steel (63) which are embedded in an up-down opposite mode, wherein the top surface of the upper channel steel (62) is fixedly installed with the beam (1), and the bottom surface of the lower channel steel (63) are fixedly installed.
7. A road crash barrier according to claim 6, wherein: the cross sections of the upper channel steel (62) and the lower channel steel (63) are of U-shaped structures, after the upper channel steel (62) and the lower channel steel (63) are embedded oppositely, the side surfaces of two sides of the upper channel steel (62) and the lower channel steel (63) are fixedly installed relatively through small bolts (61) uniformly distributed along the length direction.
8. A road crash barrier according to claim 1, wherein: the buffer part is characterized in that a vertical rod (4) is installed on the cross beam (1) at the end of the buffer part, the vertical rod (4) extends upwards out of the cross beam (1) at the top, and a signboard (5) is installed on the upper portion of the vertical rod (4).
9. A road crash barrier according to claim 1, wherein: two groups of buffering parts are arranged at intervals, and the corresponding cross beams (1) at the ends of the two groups of buffering parts are connected through convex arc pipes (9).
10. A road crash barrier according to claim 9, wherein: the middle part of the convex arc surface of the single arc pipe (9) is provided with a reflecting strip (8) along the arc length direction; the bottom surface of the arc-shaped pipe (9) at the lowest part is provided with an arc-shaped seat (10) which is of an outward convex arc-shaped structure, and the bottom surface of the arc-shaped seat (10) is fixedly arranged with the ground through long bolt assemblies (7) which are uniformly distributed along the arc length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121318611.2U CN215857406U (en) | 2021-06-11 | 2021-06-11 | Road anti-collision guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121318611.2U CN215857406U (en) | 2021-06-11 | 2021-06-11 | Road anti-collision guardrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215857406U true CN215857406U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121318611.2U Active CN215857406U (en) | 2021-06-11 | 2021-06-11 | Road anti-collision guardrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215857406U (en) |
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2021
- 2021-06-11 CN CN202121318611.2U patent/CN215857406U/en active Active
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