CN110735412B

CN110735412B - Road safety barrier

Info

Publication number: CN110735412B
Application number: CN201911053586.7A
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Xuzhou Lanhu Information Technology Co Ltd
Current assignee: Xuzhou Lanhu Information Technology Co Ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2023-07-18
Anticipated expiration: 2039-10-31
Also published as: CN110735412A

Abstract

The invention discloses a road safety guardrail, which is characterized in that a plurality of protective ribs are sequentially spirally wound on a plurality of groups of retractable support columns, so that the protective ribs are buffered by being matched with retraction during vehicle impact, the protective ribs are not rigidly connected, breakage and deformation are not easy to occur, and the guardrail with good overall protection performance is characterized in that a plurality of protective ribs are sequentially spirally wound on a plurality of buffer pieces, a distance is arranged between two adjacent buffer pieces, one end of a connecting column is vertically arranged on a fixed base, a plurality of fixing holes are formed in the fixed base, the circular truncated cone-shaped structure of the fixed base is formed in the fixed base, a plurality of partition boards are sleeved on the connecting column at equal intervals, a plurality of sliding grooves are formed in the partition boards at equal angles, a plurality of support columns distributed at equal angles are arranged between two adjacent partition boards, and the plurality of sliding grooves on the partition boards are in one-to-one correspondence.

Description

Road safety barrier

Technical Field

The invention discloses a road safety guardrail, relates to a guardrail structure for protecting the safety of a road, and belongs to the field of traffic equipment. In particular to a guardrail which is used for buffering the protective ribs by spirally winding the protective ribs on a plurality of groups of contractible support columns in sequence to be matched for contraction when a vehicle is impacted, is not rigidly connected, is not easy to break and deform and has good overall protective performance.

Background

The traffic guardrail is a traffic safety facility arranged at the outer side of a road shoulder, a traffic separation belt, pedestrian road teeth and the like, and absorbs collision energy through self deformation or vehicle climbing, so that the running direction of a vehicle is changed, the vehicle is prevented from going out of the road or entering a opposite lane, the injury to passengers is reduced to the greatest extent, currently, the road guardrail used at present is formed by assembling a plurality of groups of components, the corrugated guardrail plate and the fixed upright post are connected and fixed through screw holes, and are rigidly connected, but when the guardrail receives the impact force of the vehicle, the structural strength of the joint of the corrugated guardrail plate and the screw holes of the fixed upright post is weaker, and the structural strength is easy to break and deform when the impact stress is conducted, so that the integral protection performance of the guardrail is influenced.

The utility model discloses a firm road guardrail of bulletin number CN207193829U, including equidistant a plurality of stands that set up, it is adjacent be connected with the railing subassembly between the stand, stand top upward extension has the backup pad, the backup pad can be dismantled and be connected with the installation pipe, a plurality of wear to be equipped with a siphunculus in the installation pipe, its stand of this road guardrail and railing are the rigid connection of spiro union formula, and junction impact resistance effect is relatively poor, produces the fracture easily.

The publication number CN209292941U discloses a detachable road center isolation barrier device, which comprises barrier units connected in sequence, wherein adjacent barrier units share a main upright post; the guardrail unit comprises a main upright post, a small upright post, a horizontal railing and a pre-buried plastic base; the number of the main upright posts is 2, and the main upright posts are arranged on a road at intervals; the small upright posts are multiple and are arranged among the 2 main upright posts; the horizontal railing is connected with the main upright post and the small upright post to form a whole; 2 embedded plastic bases are embedded in road concrete, and each embedded plastic base corresponds to one main upright post; the lower end of the main upright post is inserted into the embedded plastic base, so that the whole guardrail unit is erected on a road, the upright posts of the guardrail are rigidly connected with the horizontal railing, and the structural strength of the connecting part is weaker and is easy to break under the influence of impact force.

Disclosure of Invention

In order to improve the situation, the road safety guardrail provided by the invention is characterized in that the protective ribs are sequentially spirally wound on a plurality of groups of retractable support columns so as to be matched with the retractable support columns to buffer the protective ribs when a vehicle is impacted, the protective ribs are not rigidly connected, breakage and deformation are not easy to occur, and the guardrail has good overall protective performance.

The road safety guardrail is realized by the following steps: the invention relates to a road safety guardrail, which comprises a protection rib and a buffer piece, wherein a plurality of protection ribs are spirally wound on the plurality of buffer pieces in turn, a distance is arranged between two adjacent buffer pieces, the buffer pieces are composed of a rain cover, a connecting rod, a partition plate, a fixed base, a support column, a fixed column, a chute, anti-slip convex points, two support springs and a support spring, one end of each support column is vertically arranged on the fixed base, a plurality of fixing holes are formed in the fixed base, the fixed base is of a round platform-shaped structure, a plurality of partition plates are equidistantly sleeved on the support column, a plurality of chute are formed in the partition plate at equal angles, the chute on the partition plate corresponds to one another, a plurality of support columns distributed in equal angles are arranged between two adjacent partition plates, and correspond to the chute on the partition plate one to one another, the two ends of each support column are respectively arranged in the two corresponding upper chute and lower chute, two support springs are arranged in the two support springs, one end of each support spring is respectively connected with the two upper chute and lower support column, the other end of each support spring is connected with the other, the other end of each support spring is provided with the other, the other support chute is connected with the other, the other is provided with the other, the anti-slip convex points, the two support columns are arranged at the same angle, the side face is provided with a hemispherical-shaped protection ring, the anti-slip protection ring is arranged on the side face, the side face is connected with the side face of the side face, the anti-slip protection ring is provided with the anti-slip protection ring, the anti-slip protection ring is arranged, the side is arranged on the side, and the side face is provided with the anti-slip protection is provided with a hemispherical protection with a side, and has a side protection pad is arranged, and has a protection. The diameter of the circular surface at the bottom of the rain shield is larger than that of the partition plates, the edge at the bottom of the rain shield is outwards bent, and a protective rib is correspondingly wound on the support column between two adjacent partition plates;

further, the protection ribs are additionally provided with protection plates, two ends of each protection plate are bent towards the middle, and two ends of each protection plate are sleeved on the two protection ribs at the uppermost part and the lowermost part.

Has the beneficial effects of.

1. The spiral winding bottle structure can buffer the stress of the joint of the reinforcing ribs, is not rigidly connected and is not easy to break.

2. The impact force of the vehicle to the guardrail can be dispersed and buffered, and the protection capability of the guardrail is improved.

3. The installation and erection are simple and convenient.

Drawings

FIG. 1 is a perspective view of a road safety barrier according to the present invention;

FIG. 2 is a perspective view of a fixed column of a road safety barrier according to the present invention;

FIG. 3 is a perspective view of a support post for a roadway safety barrier according to the present invention;

FIG. 4 is a schematic view of the structure of the partition plate of the road safety barrier according to the present invention;

fig. 5 is a perspective view showing a construction of an embodiment 2 of the road safety barrier according to the present invention.

In the accompanying drawings

Wherein the method comprises the following steps: the rain-proof cover (1), connecting rod (2), protection muscle (3), division board (4), unable adjustment base (5), support column (6), fixed column (7), spout (8), anti-skidding bump (9), spliced pole (10), supporting spring (11), guard plate (12).

The specific embodiment is as follows:

example 1:

the road safety guardrail is realized by the following steps: the invention relates to a road safety guardrail, which comprises a protective rib (3) and a buffer piece, wherein a plurality of protective ribs (3) are sequentially spirally wound on the buffer pieces, a distance is reserved between two adjacent buffer pieces, the buffer pieces are composed of a rain cover (1), a connecting rod (2), a partition plate (4), a fixed base (5), a support column (6), a fixed column (7), a slide groove (8), anti-slip convex points (9), a connecting column (10) and a supporting spring (11), one end of the connecting column (10) is vertically arranged on the fixed base (5), a plurality of fixing holes are reserved on the fixed base (5), a round table-shaped structure of the fixed base (5) is sleeved on the connecting column (10) at equal intervals, a plurality of slide grooves (8) are reserved on the partition plate (4) at equal angles, a plurality of support columns (6) distributed at equal angles are reserved between two adjacent partition plates (4), a plurality of slide grooves (8) on the partition plate (4) are reserved on the same angle, a plurality of slide grooves (8) on the partition plate (4) are reserved on the two support columns (6) at two ends of the same angle, the two support columns (6) are respectively connected with the two support columns (10) in a corresponding mode, two support columns (10) are respectively arranged at two ends of the two support columns (6) are respectively, and the one end of two supporting springs (11) is connected with two spliced pole (10) from top to bottom respectively, the other end and the spout (8) inner wall of supporting spring (11) are connected, a plurality of anti-skidding bump (9) have been put on support column (6), anti-skidding bump (9) are hemispherical arch, and rain-proof cover (1) are located directly over upper strata division board (4), and are connected through connecting rod (2) and division board (4), rain-proof cover (1) is conical casing, equiangular opening has a plurality of guiding grooves on the lateral surface of rain-proof cover (1), spliced pole (10) are hemispherical post, the lateral surface that spliced pole (10) are close to support column (6) is put spacing bulge loop, the oral area position of spout (8) has one deck spacing bulge loop, one deck wear-resisting protection pad has been put on the surface of spliced pole (10), the lateral surface of rain-proof cover (1) has one deck waterproof cloth, the diameter of rain-proof cover (1) is greater than the diameter of crooked division board (4) to the outside of two adjacent division board (4), winding (4) are to the rain-proof cover (4) between the root edge.

During the use, personnel lay guardrail structure in the road shoulder outside, traffic separation area and people's road tooth etc. to fix the base through inserting ground top and fixed orifices cooperation, when the vehicle is collided guardrail structure, protection muscle (3) receive the pulling force owing to the vehicle is strikeed, the pulling force produces to protection muscle (3), and then make protection muscle (3) of winding on the support column (6) outside receive to pull, spiral protection muscle (3) receive the pulling force spiral to tighten up inwards shrink, spliced pole (10) on support column (6) slide along spout (8), the stress of a plurality of support columns (6) overcoming support spring (11) inwards contracts, so that protection muscle (3) of support column (6) department is lax, so with the pulling force dispersion, and then will be buffered and take off, shock attenuation buffering to the vehicle impact force, protect the guardrail device, avoid its damage, and protection muscle (3) and buffer piece are spiral winding type connection, non-rigid connection is difficult for producing the fracture.

Example 2:

the differences between this example and example 1 are: the protection ribs (3) are additionally provided with protection plates (12), two ends of each protection plate (12) are bent to form annular sleeves, and the annular sleeves at two ends are respectively sleeved on the two uppermost and lowermost protection ribs (3); when the vehicle protection device is used, the stress area of the protection rib (3) during vehicle impact can be increased, and the protection capability of the vehicle protection device is improved.

The design of the round table-shaped structure of the fixed base (5) ensures that the diameter of the bottom of the fixed base (5) is large and the support is more stable;

the support column (6) is provided with a plurality of anti-skid convex points (9), and the anti-skid convex points (9) are hemispherical convex, so that the friction force between the anti-skid convex points and the protective ribs (3) can be increased, and the connection between the protective ribs (3) and the buffer piece is more stable;

the rain cover (1) is positioned right above the uppermost partition plate (4), and the buffer piece is protected from rainwater through the design that the connecting rod (2) is connected with the partition plate (4), so that the service life is prolonged;

the rain cover (1) is a conical shell, and rainwater can flow downwards along an arc surface at the outer side of the rain cover to guide flow, so that rainwater is prevented from gathering;

the design that a plurality of diversion trenches are formed in the outer side face of the rain cover (1) at equal angles can assist in diversion of rainwater;

a limiting convex ring is arranged on the outer side surface of the connecting column (10) close to the supporting column (6), a circle of limiting convex ring is arranged at the opening part of the sliding groove (8), and the limiting convex ring on the connecting column (10) and the opening part of the sliding groove (8) are matched to form a limit, so that the connecting column (10) is prevented from falling out of the sliding groove (8);

the surface of the connecting column (10) is provided with a layer of wear-resistant protection pad, so that the connecting column (10) is subjected to wear-resistant protection, and the service life of the connecting column is prolonged;

the waterproof cloth is arranged on the outer side face of the rain cover (1), and the rain cover (1) is soaked by rainwater for further protection;

the diameter of the bottom circular surface of the rain cover (1) is larger than that of the partition plate (4), and the partition plate (4) is in the covering range of the rain cover (1), so that the buffer piece can be completely covered from the upper part, and the protection effect is better;

the bottom edge of the rain cover (1) is outwards bent, so that rainwater flows in a direction away from the buffer piece, and is prevented from falling on the ground to splash on the buffer piece;

the design that a protective rib (3) is correspondingly wound on the support column (6) between two adjacent partition plates (4), and a group of support columns (6) and a single protective rib (3) are matched and buffered, so that the buffering effect is good;

the supporting column (6) is matched with the spring and the partition plate (4), so that impact force can be buffered, and the impact is prevented from being directly influenced and damaged;

the protective ribs (3) and the support columns (6) are in spiral winding fit, are not directly and rigidly connected, and are not easy to break;

due to the design of tightening the spiral protective ribs (3) when the vehicle collides, the support column (6) can slide by being matched with the connecting column (10), so that the support spring (11) is compressed, and vibration reduction, buffering and impact force weakening are realized;

the protection rib (3) is sequentially spirally wound on a plurality of groups of shrinkable support columns (6) to be matched with the shrinkage to buffer the protection rib (3) when the vehicle is impacted, and the protection rib is not rigidly connected, is not easy to break and deform and has good overall protection performance.

The above embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. It is intended that all modifications within the scope of the invention, i.e., all equivalents thereof, be embraced by the invention as they come within their scope without departing from the invention.

It should be further noted that, when the foregoing specific embodiments are described, only the differences from other embodiments are described for simplicity and clarity, but those skilled in the art will appreciate that the foregoing specific embodiments are also independent solutions.

Claims

1. A road safety barrier, characterized by: the plurality of protection ribs are spirally wound on the plurality of buffer pieces in turn, a distance is arranged between two adjacent buffer pieces, one end of each connecting column is vertically arranged on the fixing base, a plurality of fixing holes are formed in the fixing base, a plurality of partition boards are sleeved on the connecting columns at equal intervals, a plurality of sliding grooves are formed in the partition boards at equal angles, the sliding grooves on the plurality of partition boards are in one-to-one correspondence, a plurality of support columns which are distributed at equal angles are arranged between two adjacent partition boards and are in one-to-one correspondence with the plurality of sliding grooves on the partition boards, the connecting columns are respectively arranged at two ends of each support column, the connecting columns at two ends of each support column are respectively arranged in the two corresponding sliding grooves, two supporting springs are arranged in the sliding grooves, one ends of each supporting spring are respectively connected with the upper connecting column and the lower connecting column, the other ends of the supporting springs are connected with the inner walls of the sliding grooves, and the rain shield is positioned right above the uppermost partition board, the connecting column is a hemispherical column, a limit convex ring is arranged on the outer side surface of the connecting column, which is close to the supporting column, a circle of limit convex ring is arranged at the opening part of the sliding groove, when the guardrail structure is impacted by a vehicle in use, the protective rib is pulled by the pulling force due to the impact of the vehicle, the protective rib wound on the outer side of the supporting column is pulled by the pulling force, the spiral protective rib is spirally tightened and contracted inwards by the pulling force, the connecting column on the supporting column slides along the sliding groove, the supporting columns overcome the stress of the supporting springs and contracted inwards, the protective rib at the supporting column is loosened, the pulling force is dispersed, the buffer is removed, the impact of the vehicle is damped and buffered, the guardrail device is protected, the damage of the guardrail device is avoided, the rain cover is a conical shell, the outer side surface of the rain cover is equiangularly provided with a plurality of guide grooves, the waterproof cloth is arranged on the outer side face of the rain-proof cover, the supporting columns are matched with springs and the partition plates, impact force can be buffered, direct impact damage is avoided, the protection ribs and the supporting columns are in spiral winding matched design, are not directly rigidly connected, are not prone to breaking, vehicle impact, spiral protection ribs are tightened, the supporting columns are matched with connecting columns to slide, and then the supporting springs are compressed, so that vibration reduction, buffering and impact force weakening are achieved.

2. The road safety barrier according to claim 1, wherein the protection ribs are additionally provided with protection plates, two ends of each protection plate are bent to form annular sleeves, and the annular sleeves at two ends are respectively sleeved on the two uppermost and lowermost protection ribs.

3. A road safety barrier according to claim 1, characterized in that the stationary base has a truncated cone-like structure.

4. The road safety barrier according to claim 1, wherein a plurality of anti-slip bumps are arranged on the support columns, and the anti-slip bumps are hemispherical protrusions, so that friction between the anti-slip bumps and the protective ribs can be increased, and connection between the protective ribs and the buffer piece is more stable.

5. A roadway safety barrier as claimed in claim 1, wherein the diameter of the bottom circular surface of the rain shield is greater than the diameter of the divider plate.

6. The road safety barrier of claim 5, wherein the bottom edge of the rain cover is curved outwardly, and a protective rib is wound around the support post between two adjacent partition plates.

7. A roadway safety barrier as claimed in claim 1, wherein said post has a wear-resistant protective pad disposed thereon.