CN216765701U - Concatenation formula central guardrail - Google Patents
Concatenation formula central guardrail Download PDFInfo
- Publication number
- CN216765701U CN216765701U CN202122904475.1U CN202122904475U CN216765701U CN 216765701 U CN216765701 U CN 216765701U CN 202122904475 U CN202122904475 U CN 202122904475U CN 216765701 U CN216765701 U CN 216765701U
- Authority
- CN
- China
- Prior art keywords
- guardrail
- section
- sections
- guardrail section
- split pin
- 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.)
- Active
Links
Images
Landscapes
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The utility model provides a spliced central guardrail, which comprises a guardrail section, wherein the bottom end of the guardrail section is provided with a friction surface for improving the friction force of the guardrail, and a connecting plate and an adjusting column are movably arranged in the guardrail section; the connecting structure comprises a bolt and a split pin, two adjacent guardrail sections are spliced and installed through the connecting structure, the split pin is installed at the bottom and the top of one guardrail section, the split pin is installed at the bottom and the top of the other guardrail section, the bolt penetrates through the split pin and is hinged to the split pin, and the distance between the split pins symmetrically arranged at the top and the bottom of the guardrail section is three quarters of the height of the guardrail section.
Description
Technical Field
The utility model belongs to the technical field of road protection devices, and particularly relates to a spliced central guardrail.
Background
Along with the occurrence of traffic accidents, the requirements of traffic safety facilities are higher and higher, usually, an anti-collision guardrail is arranged on a road, common anti-collision guardrails comprise three types, namely a rigid guardrail, a semi-rigid guardrail and a flexible guardrail, the main representative forms of the anti-collision guardrail are a concrete guardrail, a waveform beam guardrail and a cable guardrail, the waveform beam guardrail and a small automobile are easy to drill down the waveform beam guardrail or insert into the automobile body, the accident rate is very high, medium and large automobiles easily pass through the waveform beam guardrail and drive into the opposite lane to cause serious secondary accidents, the rigid guardrail hardly deforms in the collision process, collision energy is almost completely borne by the automobile to cause serious vehicle damage, and personnel are seriously injured.
The existing anti-collision guardrail has the defects of insufficient anti-collision capacity and structural defects in the collision process, and is hardly suitable for the anti-collision of various vehicle types, so that serious casualties and huge economic losses are caused by the caused traffic accidents, and therefore, a suitable road central guardrail needs to be designed, the collision energy is dissipated to the maximum extent, the damage to vehicles is reduced, and the safety of passengers is ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art and provides a splicing type central guardrail.
The utility model provides the following technical scheme:
a spliced central guardrail comprises a guardrail section, wherein the bottom end of the guardrail section is provided with a friction surface for improving the friction force of the guardrail, and a connecting plate and an adjusting column are movably arranged in the guardrail section;
further, connection structure, it includes bolt and split pin, through connection structure with two adjacent guardrail sections concatenation installations, one of them guardrail section bottom and top all install a split pin, two split pins are all installed at another guardrail section bottom and top, the bolt passes the split pin, and bolt and split pin hinge joint, and the distance of symmetrically laying between the split pin of the top of guardrail section and bottom is three quarters of guardrail section height.
Furthermore, the guardrail section is divided into two sections, the two sections of guardrail sections are connected through a connecting plate, a first groove is formed in each guardrail section, springs are installed at two ends of the connecting plate, and the other ends of the springs are fixedly installed in the first grooves.
Furthermore, a second groove is formed in the guardrail section, a compensation rod is fixedly mounted in the second groove and penetrates through the second groove, two sections of convex rings are arranged on the compensation rod, an adjusting column is sleeved on the compensation rod, and a plurality of convex blocks are arranged on the adjusting column.
Furthermore, the initial positions of the two ends of the adjusting column are positioned between the two sections of convex rings on the compensating rod, and the convex block is positioned between the two sections of convex rings.
Further, the friction surface is a corrugated convex surface or a rubber pad or a rectangular convex surface or a contact surface.
Further, the connecting structure is a pin bolt structure.
The utility model has the beneficial effects that:
1. the guardrail section is arranged into two sections, when the vehicle impacts the guardrail section, certain lateral displacement can occur, the out-of-control vehicle is buffered by the movement of the guardrail, the peak value of the collision force is reduced, the acceleration peak value of the vehicle is reduced, and the safety of passengers is improved.
2. The lifting of the gravity center of a vehicle after collision is realized by adopting the guardrail section with the double inclined plane cross section, the continuity and the guiding capability of the guardrail are realized by depending on the connecting pin bolt, and the buffering and the energy dissipation in the process of the collision of the vehicle on the guardrail are realized by utilizing the friction between the guardrail and the ground, the relative lateral movement between the guardrail and the ground and the like.
3. All have good crashworthiness to minicar and large automobile, can reduce vehicle damage degree and passenger by a wide margin and have higher security, the relative friction between guardrail section and the ground has increased the energy absorption to the vehicle out of control for more kinetic energy turns into the friction internal energy, thereby reduces the absorption of vehicle collision energy, reduces the damage of vehicle.
4. The connecting pin bolt is buckled but not damaged, the guardrail is guaranteed to have good guidance quality and continuity while the energy absorption of the guardrail is improved, the guardrail deforms with different lengths and different side displacement amounts according to the size of collision energy, and the guardrail has strong adaptability to the collisions with different energy levels.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic left-side view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic front view of the present invention;
fig. 4 is a schematic top view of the barrier section of the present invention.
Detailed Description
Example one
As shown in fig. 1-4, a splicing type central guardrail comprises a guardrail section 1, the bottom end of the guardrail section is provided with a friction surface 2 for improving the friction force of the guardrail, the static friction coefficient of the friction surface 2 of the guardrail section 1 and a road is 0.3-0.7, the friction surface 2 is a corrugated convex surface or a rubber pad or a rectangular convex surface or a contact surface, and a connecting plate 4 and an adjusting column 10 are movably arranged in the guardrail section 1; guardrail section 1 divide into two sections, connect through connecting plate 4 between two sections guardrail sections, be equipped with recess one 5 on guardrail section 1, spring 6 is installed at connecting plate 4 both ends, spring 6 other end fixed mounting is in recess one 5, be equipped with recess two 11 on guardrail section 1, fixed mounting has compensating rod 7 in the recess two 11, compensating rod 7 passes recess two 11, be equipped with two sections bulge loops 8 on compensating rod 7, the cover is equipped with on the compensating rod 7 and adjusts post 10, be equipped with a plurality of lugs 9 on adjusting the post 10, the initial position of adjusting post 10 both ends is located between two sections bulge loops 8 on compensating rod 7, lug 9 is located between two sections bulge loops 8.
When the vehicle collision protection device is used, the friction surface 2 is any one or a plurality of superposed combinations of corrugated convex surfaces or rubber pads or rectangular convex surfaces or contact surfaces, the guardrail sections are fixed on the pedestal according to adjustment in practical use, the guardrail sections 1 are spliced and installed by using the connecting structure 3, the bolts 301 are inserted into the cotter pins 302 of the adjacent guardrail sections 1 and are fixed by the bolts, when a vehicle collides with the guardrail sections, part of the collision force is used for reducing the distance between the two sections of the guardrail sections, the compensating rods 7 positioned at the two ends of the adjusting column 10 move towards the adjusting column 10, the peak value of the vehicle collision force is reduced, the vehicle speed is reduced to a certain extent, and the safety is improved.
Example two
The 1 overall height of guardrail section is H, and the collision face of guardrail section 1 includes the three sections: the first section is the side surface of the guardrail base, is vertical to the ground and has the height of 0.093H, the second section has the included angle of 55 degrees with the ground and has the height of 0.278H, and the third section has the included angle of 84 degrees with the ground and has the height of 0.629H.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A splicing type central guardrail is characterized by comprising,
the guardrail comprises a guardrail section (1), wherein the bottom end of the guardrail section is provided with a friction surface (2) for improving the friction force of the guardrail, and a connecting plate (4) and an adjusting column (10) are movably arranged in the guardrail section (1);
connection structure (3), it includes bolt (301) and split pin (302), through connection structure (3) with two adjacent guardrail sections concatenation installation, one of them guardrail section (1) bottom and top all install one split pin (302), two split pins (302) are all installed at another guardrail section (1) bottom and top, bolt (301) pass split pin (302), and bolt (301) and split pin (302) are articulated, the distance of symmetrically laying between the split pin of the top of guardrail section (1) and bottom is the three fourths of guardrail section (1) height.
2. The splicing type central guardrail according to claim 1, wherein the guardrail section (1) is divided into two sections, the two sections are connected through a connecting plate (4), a first groove (5) is formed in the guardrail section (1), springs (6) are mounted at two ends of the connecting plate (4), and the other ends of the springs (6) are fixedly mounted in the first groove (5).
3. The splicing type central guardrail according to claim 1, wherein a second groove (11) is formed in the guardrail section (1), a compensation rod (7) is fixedly installed in the second groove (11), the compensation rod (7) penetrates through the second groove (11), two sections of convex rings (8) are arranged on the compensation rod (7), an adjusting column (10) is sleeved on the compensation rod (7), and a plurality of convex blocks (9) are arranged on the adjusting column (10).
4. Spliced center guard rail according to claim 3, characterized in that the initial position of the two ends of the adjusting post (10) is between two sections of collars (8) on the compensating rod (7), the cam (9) being between two sections of collars (8).
5. Spliced center guard rail according to claim 1, characterized in that the friction surface (2) is a corrugated convex surface or a rubber pad or a rectangular convex surface or a contact surface roughening.
6. Spliced center guard rail according to any one of claims 1-5, characterized in that the connecting structure (3) is a pin construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122904475.1U CN216765701U (en) | 2021-11-24 | 2021-11-24 | Concatenation formula central guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122904475.1U CN216765701U (en) | 2021-11-24 | 2021-11-24 | Concatenation formula central guardrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216765701U true CN216765701U (en) | 2022-06-17 |
Family
ID=81962431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122904475.1U Active CN216765701U (en) | 2021-11-24 | 2021-11-24 | Concatenation formula central guardrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216765701U (en) |
-
2021
- 2021-11-24 CN CN202122904475.1U patent/CN216765701U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212175612U (en) | Two-way buffer anti-collision guardrail for roadway | |
| CN106988245A (en) | A kind of central guardrail of removable friction-type and preparation method thereof | |
| CN110656602A (en) | Take warning function's shock attenuation guardrail | |
| CN216765701U (en) | Concatenation formula central guardrail | |
| CN112982242B (en) | Buffering anticollision barrier | |
| CN210797384U (en) | Highway roadside buffering protection system | |
| CN203782612U (en) | Novel half-shell collision energy attenuation device used on highway guardrail ends | |
| CN212335850U (en) | Overhead railway roadside protection device | |
| CN213896828U (en) | Buffering energy-absorbing device and safety island | |
| CN214993373U (en) | Road buffer type anticollision barrier | |
| CN213596890U (en) | Highway crash barrier | |
| CN209760104U (en) | Improved anti-collision sleeve box | |
| CN108547240B (en) | Series-connection slidable highway anti-collision guardrail | |
| CN202787140U (en) | Movable guardrail | |
| CN219430611U (en) | Collision-resistant road isolation guardrail | |
| CN220538516U (en) | Guard rail for highway | |
| CN105818831A (en) | Combined type energy absorption mechanism and railway vehicle with combined type energy absorption mechanism | |
| CN217026840U (en) | Anti-collision buffer device for highway engineering maintenance | |
| CN219386125U (en) | Pier protection guardrail | |
| CN211228260U (en) | Highway safety anticollision post | |
| CN216948016U (en) | A portable anticollision barrier for municipal administration highway | |
| CN220927639U (en) | Highway backplate that can prevent clashing | |
| CN216864817U (en) | Bridge buffer stop based on bridge security performance | |
| CN220565108U (en) | Highway buffer stop | |
| CN213896759U (en) | Public road bridge roof beam safety anticollision barrier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |