KR101655390B1 - guardrail apparatus having shock absorbing and reinforcing structure - Google Patents

guardrail apparatus having shock absorbing and reinforcing structure Download PDF

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Publication number
KR101655390B1
KR101655390B1 KR1020160034900A KR20160034900A KR101655390B1 KR 101655390 B1 KR101655390 B1 KR 101655390B1 KR 1020160034900 A KR1020160034900 A KR 1020160034900A KR 20160034900 A KR20160034900 A KR 20160034900A KR 101655390 B1 KR101655390 B1 KR 101655390B1
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KR
South Korea
Prior art keywords
guard rail
guard
reinforcing
buffer
strut
Prior art date
Application number
KR1020160034900A
Other languages
Korean (ko)
Inventor
심기용
Original Assignee
(주)효명
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by (주)효명 filed Critical (주)효명
Priority to KR1020160034900A priority Critical patent/KR101655390B1/en
Application granted granted Critical
Publication of KR101655390B1 publication Critical patent/KR101655390B1/en
Priority to PCT/KR2016/014999 priority patent/WO2017164491A1/en

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Classifications

    • 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
    • E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
    • 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
    • E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
    • E01F15/0407—Metal rails
    • E01F15/0423—Details of rails
    • E01F15/043—Details of rails with multiple superimposed members; Rails provided with skirts
    • 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
    • E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
    • E01F15/0407—Metal rails
    • E01F15/0438—Spacers between rails and posts, e.g. energy-absorbing means
    • 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
    • E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
    • E01F15/0492—Provisions for guiding in combination with rails, e.g. tire-gutters
    • 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
    • E01F15/14—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 specially adapted for local protection, e.g. for bridge piers, for traffic islands
    • 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
    • E01F15/14—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 specially adapted for local protection, e.g. for bridge piers, for traffic islands
    • E01F15/143—Protecting devices located at the ends of barriers
    • 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
    • E01F15/14—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 specially adapted for local protection, e.g. for bridge piers, for traffic islands
    • E01F15/145—Means for vehicle stopping using impact energy absorbers
    • E01F15/146—Means for vehicle stopping using impact energy absorbers fixed arrangements

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

A guardrail device having a reinforcing buffer structure according to the present invention comprises: a plurality of strut members made in the form of a cylindrical or polygonal barrel and embedded in the ground or spaced apart from each other at regular intervals; A guard rail provided so as to traverse the plurality of strut members at a front surface of the plurality of strut members and provided with a plurality of spaced apart upper and lower strut members; And a plurality of reinforcing cushioning members installed in the guard rail in the lateral direction so as to cross the plurality of guard rails and spaced apart from each other by a predetermined distance, And a transverse bumper formed integrally with the engaging plate along a longitudinal direction of the engaging plate so as to be convex toward the front from the engaging plate, wherein the reinforcing buffer member includes a fastening plate coupled to the guard rail, And a sparse buffer part integrally bent from the fastening plate so as to protrude through a space spaced between the plurality of guard rails and being inclined gradually from one side to the other side in the longitudinal direction of the guard rail .
Thus, regardless of the point of collision of the vehicle, the shock external force is always applied to the guard rail in the vertical direction, thereby maximizing the impact buffering effect and enhancing the visibility regardless of the traveling direction of the vehicle. It is possible to provide a guardrail device having a reinforced buffer structure capable of minimizing deformation or breakage of a guard rail even if a vehicle collides.

Description

Technical Field [0001] The present invention relates to a guardrail apparatus having shock absorbing and reinforcing structure,

The present invention relates to a guard rail apparatus having a reinforced buffer structure, and more particularly, to a guard rail apparatus having a reinforced buffer structure provided on a road or a center line of a road such as a highway or a motorway.

Generally, guard rails are designed to limit the width of a roadway and to prevent the vehicle from escaping to the outside of the road or the center line to prevent occupant safety and to prevent secondary accidents occurring in the event of an accident Respectively.

In such a guard rail, a column is installed at a predetermined depth on the road surface, and a guard rail bar is coupled to the column to construct the guard rail. Such a guard rail has a structure and characteristics for protecting the vehicle by maintaining its shape when an external impact such as a collision of the vehicle is applied.

An example of such a conventional guardrail is disclosed in Korean Utility Model Publication No. 20-2013-0004377 (published on July 15, 2013, hereinafter referred to as Patent Document 1).

As shown in FIG. 1, the guard rail according to the prior art is provided with a column 1 (column 1) made of an H-shaped steel or steel pipe so as to prevent the shape of the guardrail bar from being deformed even in the presence of an external impact such as a vehicle collision, And a guard rail bar 3 provided to have a curved shape so as to form a valley and a plurality of floors. The guard rail bar 3 is assembled to the column 1 by bolts, nuts, or the like.

However, the conventional guardrail has a simple shape, which can be easily broken due to collision of the vehicle, which may make it difficult to properly exhibit the characteristics of protecting the vehicle or alleviating the collision.

Korean Utility Model Publication No. 20-2013-0004377 (published on July 15, 2013)

It is an object of the present invention to maximize impact buffering effect regardless of a point where a vehicle collides with a vehicle, and to enhance visibility regardless of a traveling direction of the vehicle, thereby preventing accidents, Which is capable of minimizing deformation or breakage of the guard rail device.

A guardrail device having a reinforcing buffer structure according to the present invention comprises: a plurality of strut members made in the form of a cylindrical or polygonal barrel and embedded in the ground or spaced apart from each other at regular intervals; A guard rail provided so as to traverse the plurality of strut members at a front surface of the plurality of strut members and provided with a plurality of spaced apart upper and lower strut members; And a plurality of reinforcing cushioning members installed in the guard rail in the lateral direction so as to cross the plurality of guard rails and spaced apart from each other by a predetermined distance, And a transverse bumper formed integrally with the engaging plate along a longitudinal direction of the engaging plate so as to be convex toward the front from the engaging plate, wherein the reinforcing buffer member includes a fastening plate coupled to the guard rail, And a sparse buffer part integrally bent from the fastening plate so as to protrude through the spaces separated between the plurality of guard rails and being inclined gradually from one side to the other side along the length direction of the guard rail .

Preferably, the angle formed by the coupling plate and the transverse buffer part is formed so that the resultant force of the tangential force and the normal force of the external force applied to the transverse buffer part acts in a direction perpendicular to the guard rail.

Preferably, at least one of the guard rails and the reinforcing buffer member has a light emitting band for reflecting or emitting light.

Wherein the guard rail is fixed to the strut member by a first fastening member coupled to the coupling plate and the reinforcing buffer member is fixed to the guard rail by a second fastening member coupled to the fastening plate and the guard rail, It is preferable that it is installed.

It is preferable that a fractal reinforcing portion provided in a fractal structure is provided inside at least one of the transverse buffer portion and the interspatial buffer portion.

According to the present invention, since the impact external force is always applied to the guard rail in a vertical direction irrespective of the point where the vehicle is collided, the impact buffering effect is maximized and the visibility is enhanced irrespective of the traveling direction of the vehicle, And it is possible to provide a guardrail device having a reinforced buffer structure that can minimize the deformation or breakage of the guard rail even if the vehicle collides.

1 is a perspective view of a guard rail according to the prior art,
2 is a perspective view of a guardrail device having a reinforced buffer structure according to the present invention,
3 is an exploded perspective view showing a process in which the guard rail is coupled to the strut member of the guardrail device having the reinforced cushioning structure of FIG. 2,
4 is a plan view of a portion of the guardrail device having the reinforced cushioning structure of FIG. 2 viewed from above,
FIG. 5 is a side view of a guardrail device having a reinforced cushioning structure of FIG. 2;
6 is an enlarged side view of the guard rail of Fig. 5, Fig.
FIG. 7 is a side view of a guard rail showing another embodiment of FIG. 6;
FIG. 8 is an exploded perspective view showing a process in which the reinforcing buffer member is coupled to the guard rail of FIG. 2;
Fig. 9 is a bottom view of the reinforcing buffer member of Fig. 8 viewed from below,
10 is a perspective view of a guardrail apparatus to which a reinforcing buffer member according to another embodiment of the present invention is applied,
11 is a rear perspective view of a guardrail device having a reinforced buffer structure according to another embodiment of the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 2, the guardrail device according to the present invention comprises a plurality of strut members (not shown) formed in a cylindrical or polygonal cylindrical shape and spaced apart from each other at regular intervals, A guard rail 200 provided so as to extend across the plurality of strut members 100 at a front surface of the plurality of strut members 100 and provided so as to be vertically spaced apart from the strut member 100; And a plurality of reinforcing cushioning members 400 installed on the guard rail 200 in a transverse direction so as to cross the plurality of guard rails 200 and spaced apart from each other at regular intervals.

2 and 3, a lower end of the strut member 100 is fixed to a center line or an outer line of a road surface, an upper cover 101 is detachably coupled to the upper end of the guardrail 100, 200 are coupled with a first fastening member 340 such as a bolt to firmly support the guard rail 200.

3, an impact absorbing member 300 provided corresponding to the outer circumferential surface shape of the strut member 100 is interposed between the strut member 100 and the guard rail 200, as shown in Fig. 3, .

3 and 4, the shape of the impact absorbing member 300 sandwiched between the strut member 100 and the guard rail 200 corresponds to the contact surface shape of the strut member 100 So that the shock caused by the collision of the vehicle is primarily alleviated by the guard rail 200, but the shock absorbing member 300 The guard rail device is provided with a reinforcement damper structure capable of absorbing and alleviating the secondary and being transmitted to the strut member 100 so that the impact due to the collision of the vehicle is effectively absorbed and the deformation or breakage of the guard rail is minimized can do.

As shown in Figs. 3 and 4, the strut member 100 according to the present invention is provided with a triangular post-shaped coupling edge portion 103, which is a corner portion, facing the guard rail 200, The absorbing member 300 is formed with a concave V-shaped portion corresponding to the corner shape of the strut member 100 at a portion where the absorbing member 300 is coupled with the strut member 100.

3 and 5, the shock-absorbing member 300 is provided to have a substantially 'C' cross-sectional shape on the side surface, and is provided with a guard rail 200 which is in contact with the guard rail 200 when engaged with the guard rail 200. [ The contact portions 310 and the guard rail contact portions 310 are bent and extended at the upper and lower portions to be brought into contact with the strut member 100 when the strut member 100 is engaged with the connecting edge portion 103 of the strut member 100, The contact groove portion 321 has a concave V-shaped recessed portion 320 at each end thereof corresponding to the shape of the coupling edge portion 103 so as to engage with each other.

This allows the guard rail 200 to be coupled to the strut member 100 provided in the shape of a triangular prism through the impact absorbing member 300 so that the strut member 100 is more firmly mounted on the ground, 300 can be more firmly engaged and buffered by the contact groove portion 321 of the first and second support members 300, 300 to prevent lateral deformation or damage of the support member 100 when the external impact is transmitted due to collision of the vehicle.

3 and 4, a fastening hole 311 is formed in the central portion of the plate surface of the guard rail contact portion 310 of the shock absorbing member 300, A shock absorbing and fixing plate 330 is provided on the inner side of the guard rail 200 so as to extend vertically through the guard rail 200. The first fastening member 340 penetrates the guard rail 200 to fasten the fastening hole 311 of the guard rail contacting portion 310 A fastening nut 350 is coupled to an end of the first fastening member 340 which is inserted through the shock absorbing fastening plate 330 and protruded to the opposite side with respect to the shock absorbing fastening plate 330, 100, the shock absorbing member 300 and the guard rail 200 are firmly coupled to each other.

At this time, the first fastening member 340 may include a bolt.

Accordingly, the guard rail 200, the shock absorbing member 300, and the strut member 100 are coupled to each other by the shock absorbing / fixing plate 330 provided in the lateral direction of the guard rail 200, The joint state can be firmly maintained and the installation and assembly can be performed easily and the shock due to collision of the vehicle can be effectively absorbed and dispersed and transmitted to the strut member 100.

As shown in Fig. 4, the impact absorption fixing plate 330 according to the present invention has a structure in which both end portions are in close contact with and contact with the inner circumferential surface of the strut member 100 constituting the engaging edge portion 103 in a plan view, And is integrally bent and extended to be connected.

3, the front surface of the guard rail 200 is provided on the front surface of the guard rail 200 along the longitudinal direction of the guard rail 200, and a long washer 240 (see FIG. 3) And the first fastening member 340 for coupling the strut member 100, the shock absorbing member 300 and the guard rail 200 are coupled to each other by the fastening bolts 250, Through the coupling hole at the center of the guard rail 200. A nut member is coupled to the end of the fastening bolt 250 protruding to the opposite side with respect to the long washer 240 so that the long washer 240 is fixed to the guard rail 200.

The long washer 240 and the shock absorbing and fixing plate 330 are mutually intersected so as to form a cross shape so that the coupling state between the guard rail 200, the impact absorbing member 300, and the strut member 100 The first fastening member 340 and the fastening bolt 250 are fastened to each other by the long washer 240 so that the shock absorbing structure can be further reinforced so that deformation or breakage is minimized even if an impact is applied from the outside, The fastening pressure can be dispersed.

In another embodiment of the present invention, the strut member 100 may be formed in a variety of shapes such as a quadrangular prism or an oblong prism, in addition to a triangular prism, as an embodiment of the present invention. And may be provided in the shape of a polygonal column.

6, the guard rail 200 includes a coupling plate 210 coupled to the strut member 100 and a coupling plate 210 having a length of the coupling plate 210 so as to be convex forward from the coupling plate 210. [ And a transverse buffer part 220 integrally formed on the coupling plate 210 along the direction of the arrow.

Accordingly, when an external shock such as a collision of a vehicle occurs, the transverse shock absorber 220 mitigates the impact, thereby minimizing the deformation or breakage of the guard rail 200.

6, the angle? 1 formed by the coupling plate 210 and the transverse buffer part 220 is set to be smaller than the tangential force F1 of the external force applied to the transverse buffer part 220, (F) of the force F2 in the normal direction and the force F in the normal direction are always applied to the guard rail 200 in the vertical direction. That is, the cross-sectional shape of the guard rail 200 according to the present invention is formed such that the coupling plate 210 and the transverse buffer part 220 are alternated with each other to have a substantially Ω shape. The transverse buffer part 220 is provided so as to be vertically paired with the coupling plate 210 interposed therebetween so that the convex part of the transverse buffer part 220 of the guard rail 200 is supported by the support member 100 And the convex portion of the concave coupling plate 210 is preferably disposed opposite to the strut member 100. It is preferable that the guard rail 200 is provided by overlapping two layers of plate members.

Accordingly, regardless of the point at which the vehicle collides with the transverse shock absorber 220, the impact external force is always applied to the guard rail 200 in the vertical direction, so that the transverse shock absorber 220 is prevented from being damaged It is possible to prevent the collapse as much as possible, thereby maximizing the impact buffering effect.

The angle? 1 between the coupling plate 210 and the transverse bumper 220 is determined by the force F1 in the tangential direction of the external force applied to the transverse bumper 220, It is preferable that the resultant force F of the force F2 is approximately 60 to 80 degrees so as to always act in the vertical direction with respect to the guard rail 200. [

The guard rail 200 is formed such that a part of the coupling plate 210 is elongated and curved through a process such as a pressing process so that the transverse buffer part 220 is formed integrally with the coupling plate 210, And is fixed to the strut member 100 by a first fastening member 340 coupled to the strut member 100.

7 and 8, a light emitting band 500 that reflects or emits light is provided on the outer side of at least one of the guard rail 200 and the reinforcing buffer member 400 according to the present invention .

The light emitting band 500 according to the present invention is preferably made of a reflective sheet or PVDF (polyfluorinated vinylidene).

Accordingly, it is possible to provide a guardrail device having a reinforced buffer structure capable of maximizing impact buffering effect and enhancing visibility irrespective of the traveling direction of the vehicle, thereby preventing an accident in advance.

At this time, the light emitting band 500 may be provided on both the outer side surfaces of the transverse buffer part 220 and the interspacing buffer part 420 to be described later.

As shown in FIG. 7, at least one of the transverse buffer parts 220, interspecies buffer parts 420 and the impact absorbing members 300 may have the same shape (for example, a convex hemispherical shape or a semicircular column shape) And the respective convex directions are arranged so as to be continuously oriented with respect to each of the transverse buffer portions 220 and the interspacial buffer portions 420 in the direction opposite to the respective transverse buffer portions 220 and the interspatial buffer portions 420 The fractal enhancement unit 600 may be provided with a fractal structure.

Accordingly, the guard rail 200 according to the present invention is further reinforced by the fractal reinforcing portion 600, so that deformation or breakage of the guardrail 200 can be further minimized when an external shock such as a vehicle collision occurs.

8, the reinforcing buffer member 400 includes a fastening plate 410 coupled to the guard rail 200 and fastening plates 410 projecting through a space between the plurality of guard rails 200. [ 410 extending in the lengthwise direction of the guard rail 200 and gradually sloping from one side to the other side in the longitudinal direction of the guard rail 200.

Accordingly, when an external shock such as a vehicle collision occurs, the impact is further buffered by the transverse buffering part 220 and the interspersed buffering part 420, so that deformation or breakage of the guardrail 200 can be further minimized.

As shown in FIG. 9, the interdepositing buffer 420 is formed to have a substantially trapezoidal shape in plan view, and has a slope inclined at an angle of &thetas; 2 from one side to the other side . At this time, it is preferable that? 2 is approximately 15 to 20 degrees.

Accordingly, when the vehicle collides laterally with the guard rail 200, the reinforcing cushion member 400 having the interdental cushioning portion 420 according to the present invention minimizes deformation or breakage of the guard rail 200 So that the impact can be more effectively absorbed and dispersed.

The longitudinal buffering part 420 of the reinforcing buffer member 400 is formed to be inclined gradually from one side along the longitudinal direction of the guard rail 200 to the other side as shown in FIG. 10 Likewise, the interspring buffering part 420 is formed to be convex forward from the fastening plate 410 to have a cross-sectional shape having a substantially circular convex "? Shape ", through a space spaced between the plurality of guard rails 200 And may be integrally formed on the fastening plate 410 along the longitudinal direction of the fastening plate 410. At this time, it is preferable that a portion of the fastening plate 410 is cut and bent upward and downward to be integrally formed.

Accordingly, regardless of the point where the vehicle collides with the interspinous cushioning portion 420, the impact external force is always applied to the guard rail 200 in the vertical direction, so that the interspinous cushioning portion 420 is prevented from being damaged by external impact It is possible to prevent the collapse as much as possible, thereby maximizing the impact buffering effect.

10, the angle formed by the fastening plate 410 and the interspaces buffering part 420 is applied to the interspinous cushioning part 420, as shown in FIG. 10, according to another embodiment of the present invention, It is preferable that the resultant force F of the force F1 in the tangential direction of the external force and the force F2 in the normal direction is approximately 0.5 DEG to 1 DEG so as to always act on the guard rail 200 in the vertical direction.

Meanwhile, as shown in FIG. 8, a light emitting band 500 may be further provided on the outer surface of the interspaces buffering part 420 of the reinforcing buffer member 400 according to the present invention.

Accordingly, it is possible to provide a guard rail device having a reinforced buffer structure that maximizes impact buffering effect and enhances visibility according to the running direction of the vehicle to prevent an accident in advance.

8 and 10, the reinforcement cushioning member 400 may be formed in a manner such that a part of the fastening plate 410 is stretched and bent or bent through a process such as a pressing process, And a second fastening member 430 coupled to the coupling plate 210 of the guard rail 200. The fastening plate 410 is fixed to the guard rail 200 by a fastening member 430 coupled to the fastening plate 410 and the coupling plate 210 of the guard rail 200.

11, a guard member 100 is provided in a cylindrical shape, and the guard rail 200 is formed in a shape of a cylinder, A side of the end portion coupled to the strut member 100 may be curved in a substantially U-shape so as to enclose the stator 100.

In this case, the light emitting band 500 may be provided on the curved portion of the guard rail, and the shock absorbing member 300 may be provided between the strut member 100 and the guard rail 200 in a manner corresponding to the shape of the strut member 100 The rear center portion may be provided so as to have a concave portion and may be interposed in a vertically erected form. This type of guardrail device can be installed at the beginning and end of the road.

Thus, according to the present invention, the impact external force is always applied to the guard rail 200 in the vertical direction irrespective of the point where the vehicle is collided, thereby maximizing the impact buffering effect, and at the same time, It is possible to provide a guardrail device having a reinforced buffer structure capable of preventing an accident from occurring and minimizing deformation or breakage of the guard rail 200 even if a vehicle collides.

While the invention has been described in connection with what is presently considered to be practical exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

100: strut member 200: guardrail
210: coupling plate 220: transverse buffer
340: first fastening member 400: reinforcing buffer member
410: fastening plate 420: interspinous buffering part
430: second fastening member 500: light emitting band
600: Fractal reinforcement part

Claims (5)

A plurality of strut members embedded in the ground or fixed to the ground so as to be spaced apart from each other at regular intervals;
A guardrail extending longitudinally across the plurality of strut members at a front surface of the plurality of strut members and having a plurality of vertically spaced apart guardrails; And
A plurality of reinforcing cushioning members installed laterally across the guard rails to cross the plurality of guard rails and spaced apart from one another at regular intervals;
Lt; / RTI >
Wherein the guard rail includes a coupling plate coupled to the strut member and a transverse buffer unit integrally formed on the coupling plate along the longitudinal direction of the coupling plate so as to be convex forward from the coupling plate,
Wherein the cross-sectional shape of the guard rail is such that the coupling plate and the transverse cushion part are alternately interlaced,
The reinforcing cushion member is integrally bent from the fastening plate so as to protrude through a space separated between the plurality of guard rails and is integrally bent from one side along the longitudinal direction of the guard rail And an interspacing buffer portion formed to be inclined gradually toward the side of the interspacing buffer,
Wherein the support member is provided in the shape of a triangular column so that a coupling edge portion, which is a corner portion, is provided so as to face the guard rail,
Wherein the guard rail is fixed to the strut member by a first fastening member coupled to the engaging plate,
Wherein the reinforcing buffer member is fixed to the guard rail by a second fastening member coupled to the fastening plate and the guard rail,
An impact absorbing member provided corresponding to the shape of the outer circumferential surface of the strut member is interposed between the strut member and the guard rail,
A shock absorbing and fixing plate formed vertically long inside the strut member toward the coupling edge,
The front surface of the guard rail is horizontally elongated in the longitudinal direction of the guard rail. The long surface of the guard rail is coupled with a long washer formed with a plurality of engagement holes at a predetermined interval. The long washer and the shock- Wherein the reinforcing cushioning structure is provided so as to cross each other so as to form the reinforcing cushioning structure.



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KR1020160034900A 2016-03-23 2016-03-23 guardrail apparatus having shock absorbing and reinforcing structure KR101655390B1 (en)

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Application Number Priority Date Filing Date Title
KR1020160034900A KR101655390B1 (en) 2016-03-23 2016-03-23 guardrail apparatus having shock absorbing and reinforcing structure
PCT/KR2016/014999 WO2017164491A1 (en) 2016-03-23 2016-12-21 Guardrail apparatus having reinforced buffer structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160034900A KR101655390B1 (en) 2016-03-23 2016-03-23 guardrail apparatus having shock absorbing and reinforcing structure

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KR101655390B1 true KR101655390B1 (en) 2016-09-07

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WO (1) WO2017164491A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200124520A (en) * 2019-04-24 2020-11-03 주식회사 에이치엠테크 Buffer structure of guardrail
CN113738039A (en) * 2021-08-17 2021-12-03 启迪设计集团股份有限公司 Vertical guardrail reinforcing and mounting structure

Citations (5)

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Publication number Priority date Publication date Assignee Title
KR19980043026A (en) * 1998-05-19 1998-08-17 윤천진 Manufacturing method of FLP agent guide rail
KR101182975B1 (en) * 2012-03-12 2012-09-21 김동철 Guard rail structure
KR20120121565A (en) * 2011-04-27 2012-11-06 용 관 박 Guard rail with reinforced pipe
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