KR101791997B1 - Shock-absorbing guardrail for road having buffer structure - Google Patents

Abstract

The present invention relates to a shock absorbing structure for a shock absorbing structure in which a shock absorbing block and a hollow shock absorbing rod can effectively absorb an impact even if a vehicle or the like collides against a rail by connecting and fixing a shock absorbing block between a strut and a rail and a hollow shock absorbing rod in a strut Absorbing guard rail having a cushioning structure for absorbing the shock absorbing guardrail, the shock absorbing guard rail comprising: And a rail disposed on the front and rear surfaces of the strut and horizontally connecting the struts, wherein the strut and the rail are provided between the strut and the rail when the strut and the rail are coupled by the strut bolt A buffer block including a connection hole penetrating through the center so as to allow the bolt to pass therethrough and a curved surface portion having a flat surface on one side facing the inner side surface of the rail and a corresponding shape to receive the outer surface of the support, The shock absorbing guard rail is provided with a shock absorbing guard rail which is inserted into the strut bolt when the strut bolt is passed into the strut and is located inside the strut, and both side surfaces thereof are opened to include a first cushioning rod having a hollow shape therein.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a shock-absorbing guardrail having a shock-

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shock absorbing guardrail having a shock absorbing structure, and more particularly, to a shock absorbing guardrail having a shock absorbing guardrail, Absorbing guardrail having a shock absorbing structure for absorbing shocks effectively absorbing shock absorbing blocks and hollow cushioning rods.

Guard rail is a barrier installed on both sides of the road for the safety of road traffic. It is installed to prevent cars from falling off the road, especially on mountain roads and curves. In the city, It is installed at the border to protect pedestrians and to minimize injury and vehicle damage of the accident vehicle occupant. Therefore, the guard rail must have sufficient structural rigidity to withstand the collision of the running vehicle with the rail, and also have shock absorbing capability for the safety of the occupant.

The conventional guard rail is composed of a plurality of column members which are erected upright on the ground and rail members fixed to the column members.

In the conventional guard rail as described above, the rail member is folded in a concavo-convex manner so as to protrude more than twice in the vertical direction. Therefore, when the running vehicle collides with the guard rail, the running vehicle collides with the projecting portion of the rail member, and the rail member is deformed to absorb the impact.

However, such a deformation of the rail member can not provide a sufficient buffering effect, and a large part of the repulsive force when the vehicle collides against the guard rail is transmitted to the vehicle, so that there is an adverse effect that an impact is transmitted to the vehicle passenger.

Therefore, as a countermeasure against this, guard rails using an elastic body or a hollow body of metal or rubber material are applied between the pillar member and the rail member or the rail.

That is, elastic members such as springs are provided on the connecting portions of the column members and the rail members or the rail members themselves, respectively, to improve the buffering effect of the guard rails.

However, in the case of such a guardrail using such a spring, it is disadvantageous in that it is not easy to manufacture due to the complicated structure, and the manufacturing cost is high. In addition, there is a problem that a vehicle colliding with the guard rail due to excessive repulsive force of the spring is thrown back in the road direction, thereby causing a second collision accident with another traveling vehicle.

Further, in order to solve such a problem in the related art, although the rail member can be made rigid to reinforce the required rigidity, since the reinforcement structure is exposed on the outside, the structure is complicated and the appearance is not good, There is a problem that the rail member is not broken but the vehicle is damaged more greatly so that the risk of injury of the occupant as well as the damage of the vehicle becomes much larger.

Therefore, the applicant of the present invention has developed a guardrail which not only effectively absorbs shocks and buffers but also has an excellent appearance, while having a structural rigidity enough to withstand a shock when a running vehicle or the like collides with a guard rail .

1. Korean Registered Patent No. 10-0763461 (the name of the invention: guardrail) 2. Korean Registered Patent No. 10-1085888 (entitled "Impact Reduction Structure of Guard Rail)

Accordingly, it is an object of the present invention to provide a cushioning block and a cushioning cushion, which are inserted into a cushion block and a hollow cushion rod between the cushion block and the rail, Absorbing guard rail having a cushioning structure for absorbing impact that can effectively absorb and cushion shocks.

It is still another object of the present invention to provide a shock absorbing structure for reinforcing a support cushioning member that reinforces a support force of a strut while simultaneously alleviating shock absorption so that a shock absorbing member having a support capable of withstanding an impact, Absorbing guard rail having a shock absorbing structure for a shock absorbing structure.

The present invention relates to an elevator, comprising: a pillar installed vertically at regular intervals on the ground; And a rail disposed on the front and rear surfaces of the strut and horizontally connecting the struts, the shock absorbing guard rail for a road comprising:

A connecting hole provided between the strut and the rail when the strut and the rail are coupled by the holding bolt and passing through the center so as to allow the strut bolt to pass therethrough and the flat surface and the outer surface of the strut A buffer block including a curved surface on the other surface having a corresponding shape,

A shock absorbing guard rail having a cushioning structure including a first cushioning rod having a hollow shape in its inside while being opened in both sides by being inserted into the strut bolt when the strut bolt is passed through the cushioning block to bind the cushioning block, to provide.

The present invention also provides a shock absorbing guard rail having a buffer structure in which a plurality of buffer grooves spaced apart from the outer periphery of the coupling hole of the buffer block surface are formed.

Meanwhile, when the upper bolt and the lower bolt are coupled to the upper and lower sides of the rail, respectively, only the buffer block and the first cushioning block are coupled to the bolt coupled to the upper side of the rail, and the rail is inclined Shock-absorbing guardrail having a buffer structure.

The present invention also provides a shock absorbing guard rail having a shock absorbing structure, which further comprises a rotation bar which is inserted into the strut and is located at a lower portion of a pillar exposed to the upper side of the ground to form a plurality of contact protrusions spaced from each other in the vertical direction.

A guide portion provided at a lower portion of the support protruding from the upper portion of the ground and accommodating the outer circumferential surface of the support to receive and inspect the outer circumferential surface of the support portion and horizontally connected to both ends of the close portion, And a fastening part having upper and lower ends of the guide part formed with the fastening part bent obliquely inwardly,

A hollow second cushioning rod which is fitted across the fastening portions formed on both side guide portions of the fastening body,

Shaped support portion formed in a vertical longitudinal direction while being positioned on the outer circumferential surface of the second cushioning rod when the second cushioning rod is fitted to the fastening portion of the fastening body, and a plate-like support portion bent at right angles to both ends of the support portion and inserted into the fastening piece of the fastening body And a fixing portion which is bent at a right angle to the lower end of the support portion and extends in the horizontal longitudinal direction and fixes the support portion on the ground surface, A coupling body,

A shock absorbing member having a shock absorbing structure including a cover body having a shape of a half plate which is fastened to a support portion of the coupling body by a fixing bolt facing the coupling body coupled to the fastening body, .

The guard rail for a road according to the present invention having the above-described configuration has a buffer block between a strut and a rail, and a hollow cushion rod inserted therein when the damper block is fastened. Therefore, even if a vehicle or the like which is traveling collides with a guard rail, Since the support provided with the block and the hollow cushioning rod effectively absorbs and disperses the impact, it is possible not only to reduce the damage of the vehicle collided with the rail, but also to reduce the injury of the vehicle occupant to a minimum.

Further, since the guard rail of the present invention is provided with a structure for reinforcing the supporting force buffering member which simultaneously reinforces and absorbs the supporting force of the strut when the vehicle collides with the support, even if the vehicle or the like collides with the guard rail, So that a solid support force can be exhibited.

1 is a perspective view of a shock absorbing guard rail having a cushioning structure according to an embodiment of the present invention;
2 is a side view of a shock absorbing guard rail having a cushioning structure according to an embodiment of the present invention;
3 is an exploded perspective view of a shock absorbing guard rail having a shock absorbing structure according to an embodiment of the present invention.
4 is a cross-sectional view of a portion of a shock-absorbing guardrail having a cushioning structure according to an embodiment of the present invention secured to an upper strut bolt;
5 is a rear perspective view (a) and a front perspective view (b) of a shock absorbing guardrail having a shock absorbing structure according to an embodiment of the present invention.
FIG. 6 is a cross-sectional view (a) before a vehicle collision and a cross-sectional view (b) after collision after collision of a portion fastened to an upper strut bolt in a shock absorbing guardrail having a shock absorbing structure according to an embodiment of the present invention.
FIG. 7 is a perspective view (a) of a shock absorbing block partitioned by a first body and a second body in a shock absorbing guardrail having a cushioning structure according to an embodiment of the present invention, and an exploded perspective view (b)
8 is a sectional view of a reinforcing portion in which first and second spaces are formed in a shock absorbing guardrail having a shock absorbing structure according to an embodiment of the present invention.
FIG. 9 is an assembled view of a shock absorbing guard rail having a shock absorbing structure according to an embodiment of the present invention in which an auxiliary shock absorber is installed in a connecting hole of a shock absorbing block. FIG.
10 is a cross-sectional view of a guard rail provided with an auxiliary buffer rod in a coupling hole of a shock absorbing guardrail having a shock absorbing structure according to an embodiment of the present invention.
Fig. 11 is a cross-sectional view (a) of an auxiliary shock-absorbing rod in an impact-absorbing guardrail having a cushioning structure according to an embodiment of the present invention, an auxiliary cushioning rod sectional view (b) having a projecting tab formed on its inner peripheral surface, Sectional view (c) and a sectional view (d) of an auxiliary cushion rod in which protruding tabs are formed on the outer peripheral surface and the inner peripheral surface.
FIG. 12 is a sectional view of assembling the first connection part and the second connection part provided in the connection hole of the buffer block in the shock-absorbing guardrail having the buffer structure according to the embodiment of the present invention; FIG.
13 is a perspective view of a shock absorbing guard rail having a shock absorbing structure according to an embodiment of the present invention, in which a rotating rod is provided at a lower portion of a strut.
14 is a perspective view of another type of rotary bar in a shock absorbing guardrail having a shock absorbing structure according to an embodiment of the present invention;
15 is a perspective view of a shock absorbing guardrail having a cushioning structure according to an embodiment of the present invention, in which a supporting force buffering member is provided at a lower portion of a pillar.
16 is a side view of a guard rail mounting side provided with a supporting force buffering member in a shock absorbing guardrail having a cushioning structure according to an embodiment of the present invention.
17 is a rear exploded perspective view (a) and a front exploded perspective view (b) of a support and a supporting force reinforcing member in a shock absorbing guardrail having a shock absorbing structure according to an embodiment of the present invention.
18 is an exploded perspective view of a supporting force reinforcing member in a shock absorbing guardrail having a shock absorbing structure according to an embodiment of the present invention.
FIG. 19 is a perspective view (a), a coupling body perspective view (b), and a fastening means perspective view (c) of a supporting force reinforcing member in a shock absorbing guardrail having a shock absorbing structure according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, like reference numerals refer to like elements throughout. The same reference numerals in the drawings denote like elements throughout the drawings.

1 is a perspective view of a shock absorbing guard rail having a shock absorbing structure according to an embodiment of the present invention. FIG. 2 is a perspective view of a shock absorbing guard rail having a shock absorbing structure according to an embodiment of the present invention shown in FIG. FIG. 3 is an exploded perspective view of a shock absorbing guardrail having a shock absorbing structure according to an embodiment of the present invention shown in FIGS. 1 and 2. FIG. 4 is a side view of the shock absorbing guard rail according to the embodiment of the present invention shown in FIG. Fig. 5 is a rear perspective view of a shock absorbing guardrail having a shock absorbing structure according to an embodiment of the present invention shown in Fig. 4 (Fig. 5) (a) and a front perspective view (b), and a detailed technical structure according to an embodiment of the present invention includes a column 20 vertically installed at a predetermined interval on the ground surface of a road; And a rail (30) disposed on the front and rear surfaces of the column (20) and horizontally connecting the columns (20). The shock absorbing guard rail (10) A connection hole 101 provided between the support 20 and the rail 30 to penetrate the support bolt 40 so as to pass therethrough when the support 30 is coupled by the support bolt 40, (10) including a flat surface portion (102) and a curved surface portion (103) on the other surface having a shape corresponding to the outer surface of the column (20) on one side facing the inner side surface of the buffer block The first bolt 40 is inserted into the support bolt 40 when the support bolt 40 is passed into the support column 20 by tying the first bolt 40 and the first bolt 40 into the support 20, A shock absorbing guardrail (10) having a shock absorbing structure including a rod (200) is provided.

The struts 20 are made of a circular or polygonal beam and are fixed at regular intervals along the center line or road side of the road.

The rail 30 may be installed on one side or both sides of the column 20 and one or a plurality of spaced rails 30 may be installed on the column 20. 1 and 2, the guard rail 10 on which the rails 30 are provided on both sides of the support 20 will be described. However, the present invention is not limited thereto, The main components of the present invention can be used in combination with a protective fence, a bridge railing, and the like, as well as the frame 10.

In the present invention, the shape of the rail 30 is a rail 30 having a corrugated shape, but it is obvious that a rail 30 having various materials such as a circular or beam-like metal or wood can be used.

When fixing the rail 30 to the support 20, the rail 30 is fixed to the support 20 via the support bolt 40. At this time, The shock absorber 30 has a buffer structure for absorbing impact energy due to a collision of a vehicle at the position of the rail 30 and mitigating and absorbing shock energy transmitted to the vehicle.

As shown in FIGS. 3 and 4, when the rail 30 is coupled to the support 20, the support bolt 40 binds the one side rail 30 and passes through the support 20 to the other side rail 30, And between the one rail 30 and the support 20 and between the other rail 30 and the support 20, that is, between the rail 30 and the support 20, And a buffer block 100 to be hooked to the holding bolt 40 is installed. When one of the side rails 30 and the other side rail 30 are fixed to the support 20 with respect to the support 20, the support bolt 40 may be one or two Thereby fixing the rail 30 to the support 20.

5 (a) and 5 (b), the buffer block 100 is made of a synthetic resin material or a rubber material, and is formed with a connection hole 101 through which the bolt 40 passes, A side surface of the buffer block 100 facing the inner side surface of the rail 30 forms a planar portion 102 in a planar shape so as to face the inner side surface of the rail 30, The other side of the buffer block 100 having a shape corresponding to the outer circumferential surface of the support 20 forms a concave curved surface portion 103 for receiving and interpreting the surface.

In the case where the rail 30 is formed on both sides of the support 20 of the present invention, the support 30 is formed between the one rail 30 and the support 20 and between the other rail 30 and the support 20, The buffer block 100 is provided.

The reason why the planar portion 102 facing the inner surface of the rail 30 in the buffer block 100 is formed in a planar state is that the support bolt 40 and the nut 30 of the shock absorbing block 100 and the buffer block 100 is not simply fastened to the inner side surface of the rail 30 so that the buffer block 100 is interposed therebetween, 102 are pressed and pressed in a shape corresponding to the inner circumferential surface of the rail 30 by the tightening of the bolt 40 and the nut and the flat surface portion of the buffer block 100 on the bent surface of the inner circumferential surface of the rail 30 The pressure applied to the entire surface of the flat surface portion 102 is randomly generated so that the low pressure of the pressing force of the flat surface portion 102 when the impact energy is transmitted is buffered and dispersed and the high pressure acts as a supporting force, The entire flat portion 102 of the buffer block 100 is strong against the inner peripheral surface of the rail 30 It is possible to prevent deformation of the buffer block 100 and prevent the deformation of the buffer block 100. Thus, the direction of the impact energy is transmitted in the same direction as the direction of the transmission of the impact energy, The stability of the vehicle driver can be secured.

If the buffer block 100 has a fixation for simple interview on the rail, the buffer block 100 is torn, crushed, or fragmented due to the impact energy, and the function of the shock absorption is lost.

6 (a) and 6 (b), when the rail 30 collides with the rail 30, the rail 30 is deformed in direct contact with the vehicle, and impact energy is transmitted to the shock absorbing block 100, The buffer block 100 having the restoring force absorbs impact and attenuates the impact, thereby preventing the vehicle from being rolled or dislocated. The curved portion 100 of the buffer block 100 103 tightly contact the outer circumferential surface of the column 20 to prevent the buffer block 100 from being tilted in one direction while the impact energy is transmitted, thereby balancing the force and increasing the dispersion and buffering action of the force.

7A, a buffer block 100 made of a synthetic resin material or a rubber material is formed by dividing the buffer body 100 into a first body 110a and a second body 110b, The second body 110b including the curved surface portion 103 is made of a hard material and the first body 110a and the second body 110b Is integrally formed with the first body 110a of the soft material and the second body 110b of the hard material so that the primary impact energy is transmitted through the first body 110a of the soft material The impact energy is absorbed through the second body 110b of the secondary hard material of the impact energy transmitted while absorbing the impact, thereby improving the buffering efficiency of the impact energy of the shock absorbing block 100. [

In addition, as shown in FIG. 5 (b) and FIG. 7, a buffer structure in which a plurality of buffer grooves 104 spaced apart from the outer periphery of the coupling hole 101 of the buffer portion 100 And a shock absorbing guardrail (10) that combines the shock absorbing guardrail (10).

Since the shock absorbing groove 104 is formed in the flat surface portion 102 of the shock absorbing block 100, the impact energy generated by the impact of the vehicle is transmitted to the shock absorbing block 100 to increase shock absorption, Maximizing the action.

7 (b), the reinforcing portion 120 of the hard material or the soft material made of the synthetic resin material or the rubber material as the buffer material is provided in the buffer groove 104 formed in the flat surface portion 102 of the buffer block 100 The impact energy transmitted through the buffer groove 104 is transmitted through the reinforcing portion 120 of the hard material bound in the buffer groove 104 to disperse and absorb the shock energy to increase the buffer energy of the impact energy.

8, reinforcing parts 120 made of a hard material or a soft material made of synthetic resin or rubber are formed in a hollow shape, and partition walls 121 having a predetermined width are integrally formed at the center of the reinforcing part 120 And is divided into one first space portion 122a and the other second space portion 122b with reference to the partition 121 at the center inside the reinforcing portion 120. [

This is because the impact energy is transmitted to the rail 30 due to the collision of the vehicle and the reinforcing portion 120 is pressed by the primary pressing force of the flat surface portion 102 when impact energy is transmitted to the flat surface portion 102 of the buffer block 100 The pressure of the air filled in the first space portion 122a of the reinforcing portion 120 increases to absorb the pressing force due to the balloon effect and then the reinforcing portion 120 is dispersed by the strong pressing force of the reinforcing portion 120 The pressure of the air filled in the second space part 122b of the reinforcing part 120 is increased and the same pressure is applied to the reinforcing part 120 by the same balloon effect So that the impact energy is attenuated and buffered.

As shown in FIGS. 3 and 4, when the strut bolt 40 having the buffer block 100 coupled therewith passes through the strut 20, the first bolt 40, which is fastened to the strut bolt 40, Wherein the first cushion rods (200) are tubular with both sides opened and hollow inside, and the first cushion rods (200) The first cushioning rods 200 are located inside the pillars 20.

As shown in FIGS. 6 (a) and 6 (b), the vehicle absorbs and mitigates the impact energy transmitted by the buffering action and the attenuating action of the buffer block 100 after collision with the rail 30, The shock energy transmitted to the struts 20 is transmitted to the struts 20 and the first cushion rods 200 so that the struts 20 are deformed first. Even if the both ends of the first cushion rod 200 are closely contacted with the inner wall of the column 20 and are deformed by the impact energy transmitted thereto, the column 20 is deformed by the resistance of the first cushion rod 200, And the first cushioning rods (200) absorb the shock to increase the buffering action and improve the supporting force of the support (20).

As shown in Figs. 9, 10 and 11 (a), the hollow bolts 40 are inserted into the connecting holes 101 of the buffer block 100, A shock absorbing guard rail having a cushioning structure further comprising a rod (130) is provided.

The buffer bolt 40 provided between the rail 30 and the support 20 is connected to the support bolt 40 and fastened to the support 20 when the buffer bolt 40 is fastened. After the hollow auxiliary cushion rods 130 before being coupled to the connection holes 101 of the auxiliary cushion 100 are inserted into the connection holes 101 and the support bolts 40 are inserted into the auxiliary cushion rods 130 .

The auxiliary cushion bar 130 is installed to absorb and disperse the impact energy transmitted to the support bolt 40 while minimizing the deformation of the cushion block 100 when external shock energy is transmitted through the support bolt 40 .

11 (b), 11 (c), and 11 (d), it is inserted into the connecting hole 101 of the buffer block 100 and penetrated into the inside to insert the holding bolt 40, The present invention also provides an impact absorbing guard rail having a shock absorbing structure including a plurality of protruding tabs protruding from the outer circumferential surface or an inner circumferential surface and a plurality of outer circumferential surfaces.

The auxiliary cushioning rods 130 are formed in a plurality of protruding tabs 131 in a ring shape protruding in a circumferential direction on the inner circumferential surface, the outer circumferential surface, or both the inner circumferential surface and the outer circumferential surface, 131 is formed with a blade shape and a blade direction is formed in a direction opposite to the direction of collision of the vehicle. This is because the projecting tab 131 formed on the inner peripheral surface of the auxiliary cushioning rod 130, The auxiliary bolt (40) is pressed against the outer circumferential surface of the holding bolt (40) strongly to block the movement of the auxiliary bolt (130) in the longitudinal direction of the holding bolt (40) The protruding tabs 131 formed on the outer circumferential surface of the auxiliary buffer rod 130 strongly press and adhere the inner circumferential surface of the coupling hole 101 of the buffer block 100 to prevent deformation and shock of the buffer block 100 against impact energy Role .

12, a first projecting step 141 is formed at the outer peripheral end of one side to insert the holding bolt 40 while being inserted into the connecting hole 101 of the buffer block 100, A first connection portion 140a in which the jaw 141 is exposed to the curved surface portion 103 of the buffer block 100 to form a first binding hole 142 penetrating into the inside of the buffer block 100, The first bolt 40 is inserted and the second protruding protrusion 143 is formed at the outer circumferential end of the first bolt 140 so that the buffer block 100 And a second connecting portion 140b exposed to a plane portion of the shock absorbing guard rail.

The first connecting part 140a and the second connecting part 140b are engaged with each other in the connecting hole 101 of the buffer block 100 and the first binding hole 142 of the first connecting part 140a, The second protrusion 143 of the second connection portion 140b is exposed to the first protrusion 141 of the first connection portion 140a and the other end of the first connection portion 140a at one end of the second connection portion 140b, At this time, the first protrusions 141 are positioned on the curved surface portion 103 of the buffer block 100, and the second protrusions 143 are positioned on the flat surface portion 102 of the buffer block 100.

The first and second connecting portions 140a and 140b are coupled to the connecting hole 101 of the buffer block 100 so that the holding bolt 40 passes through the inside of the second connecting portion 140b, (100).

By providing the buffer block 100 having the first and second connection portions 140a and 140b coupled thereto, the impact energy transmitted through the support bolt 40 is transmitted to the second protrusion tab 143b of the second connection portion 140b The first protrusion tab 141 of the first connection portion 140a presses the outer periphery of the support 20 to relieve and absorb the impact while pressing the body of the first connection portion 140a.

In order to fix the rail 30 to the column 20 in the embodiment of the present invention, when the column bolt 40 is fastened, the buffer block 100 and the first cushion rod 200 are fastened to all the holding bolts 40 The guard block 100 and the first cushion rod 200 can be selectively used on the support bolt 40 according to the road environment, purpose, use and the like.

As shown in FIG. 2, the support bolts 40 are coupled to the upper side of the rail 30 when coupled to the support 20 by the support bolts 40 on the upper side and the lower side of the rail 30, respectively, Absorbing guard rail 10 having a buffer structure in which only the buffer block 100 and the first buffer rods 200 are combined and the rail 30 is inclined relative to the vertical support 20 is provided. In other words, in the side view of the installed guard rail shown in FIG. 2, the width between the both side rails 30 gradually decreases from the support 20 toward the downward direction.

In the case of a large-size vehicle, only the support bolt 40 provided on the upper side of the rail 30 is positioned in the same structure as the above-described structure, so that the start position of the strong impact that collides with the rail 30 is higher than that of the general vehicle, The blocks 100 and the first cushion rods 200 are coupled to the pillars 20 to maximize the buffering effect due to the collision and the rail 30 is inclined with respect to the pillars 20, The shock energy is attenuated while the impact energy is maximized on the upper side of the rail 30 at this time so that the impact energy is minimized on the lower side of the rail 30 secondarily while the impact energy is attenuated to prevent rollover or departure In addition, the transmitted impact energy is transferred to the upper and lower side of the post 20 with a time difference, so that the reaction force against the support force of the post 20 acts to minimize the deformation of the post 20. [

As shown in FIGS. 13 and 14, the column 20 is inserted into the column 20 and is disposed at a lower portion of the column 20 exposed at the top of the ground, and is spaced apart from the outer circumference of the column 20, Absorbing guard rail 10 having a shock absorbing structure, which further includes a rotation bar 300 that forms a plurality of contact protrusions 310,

The outer circumferential surface of the strut 20 and the inner circumferential surface of the swinging rod 300 are excited by providing the swinging rod 300 at the lower part of the pillar 20 exposed on the ground, and a plurality of contact protrusions 310 formed on the outer circumferential surface, So that it is possible to prevent the vehicle from being separated from the vehicle while attenuating the impact energy. At this time, the contact protrusions 310 formed in a protruding manner can exhibit a more excellent buffering effect.

Further, as shown in FIGS. 15 to 19, it further includes a support force buffering member 400 such as to reinforce the support force of the support posts 20 while buffering impact energy at an initial stage due to collision of the vehicle.

And a hinge portion 411 provided at a lower portion of the support 20 exposed at the upper portion of the ground to receive and inspect the outer circumferential surface of the support 20 and horizontally connected to both ends of the hinge portion 411, A fastening portion 413 cut at a predetermined inner length from the center of the end portion of the guide portion 412 and a guide portion 412 formed with the fastening portion 413, The fastening body 410 includes a fastening member 414 having an end portion bent inwardly inclined and a fastening portion 413 formed on the fastening portion 413 of the fastening body 410, When the second cushioning rod 420 and the second cushioning rod 420 are inserted into the fastening portion 413 of the fastening body 410 while being positioned on the outer peripheral surface of the second cushioning rod 420, Shaped support portion 431 formed at both ends of the support portion 431 and at a right angle with respect to the fastening body 410 A pressing portion 432 having a shape gradually narrowing downward to be fitted to the fastening piece 414 and a pressing portion 432 bent at a right angle to the lower end of the supporting portion 431 and extending in the horizontal longitudinal direction, A coupling body 430 including a coupling portion 433 and a fixing bolt 60 fastened to the supporting portion 431 of the coupling body 430 facing the coupling body 430 coupled to the coupling body 410 A shock absorbing guard rail (10) having a shock absorbing structure, which further comprises a supporting force buffering member (400) composed of a cover body (450) having a half - plate shape.

17 (a) and 17 (b), the support cushioning member 400 includes a fastening body 410 coupled to the support 20, a second cushioning rod 410 fitted to the fastening body 410, A coupling body 430 for reinforcing the supporting force of the column 20 while fixing the second cushion rod 420 in close contact with the coupling body 430 and a coupling body 430 provided in front of the coupling body 430 to which the coupling body 410 is coupled, And a body 450 as shown in FIG.

18 and 19 (a), the fastening body 410 includes a fastening portion 411 having a half-section in cross-section so as to receive and inspect the outer circumferential surface of the post 20, A plate-like guide portion 412 extending horizontally from both ends in the lengthwise direction of the support 20 and extending further outwardly of the support 20 and a fastening portion 413 cut at a predetermined inner length from the center of the end of the guide portion 412, And a fastening piece 414 having upper and lower ends of the guide part 412 formed with the fastening part 413 bent inwardly.

18, the second cushioning rod 420 is inserted into and engaged with the groove-shaped coupling portion 413 formed on the both side guide portions 412 of the coupling body 410, The diameter of the fastening part 413 is formed to be the same as the outer diameter of the second cushioning rod 420 so that the fastening part 413, at which time the second cushioning rods 420 are located on the road, that is, the road on which the vehicle is to be moved.

18 and 19 (b), when the second cushioning rod 420 is inserted into the fastening portion 413 of the fastening body 410, Shaped support portion 431 formed on the outer circumferential surface of the rod 420 and formed in the longitudinal direction of the rod 420 and bent at right angles at both ends of the support portion 431 to be inserted into the fastening pieces 414 of the fastening body 410 A pressing portion 432 having a slope at an inclined end and a plate member 432 which is bent at a right angle to the lower end of the supporting portion 431 and extends in the horizontal longitudinal direction and fixed to the ground, And a fixing portion 433 of the fixing portion 433.

When the engaging body 430 is coupled to the engaging body 410, the lower portions of the pressing portions 432 of the engaging body 430 are engaged with the engaging pieces 414 formed on the upper side of the guide portions 412 of the engaging body 410, And the engaging body 430 is moved downward to be engaged with the engaging piece 414 formed on the lower side of the guide portions 412 of the engaging body 410 to move downward while the pressing portion 432 gradually increases in width The supporting portion 431 of the engaging body 430 is gradually moved inward of the both side guide portions 412 in accordance with the widening so as to press the second cushioning bar 420 which is to be contacted with the supporting portion 431, The second cushioning rod 420 is firmly fixed to the coupling part 413 and the coupling body 430 is moved downward to press the second cushioning rod 420 in a pressurized manner, It is prevented from being moved downward and downward.

The coupling body 430 and the coupling body 430 are coupled to the lower portion of the support 20 in a proper position to reinforce the supporting force of the support 20, The fixing portion 433 which is bent and extended at the lower end of the support portion 431 is fixed to the ground or the concrete bottom surface by the support bolt 50 such as an anchor or the like.

18, when the cover body 450 faces the front side of the coupling body 430 fitted to the coupling body 410, the support body 431 of the coupling body 430 and the fixing bolt The cover body 450 has a vertical cross-sectional shape that is mutually engaged with the cover body 450, and the outer surface of the cover body 450, that is, the outer surface of the protruded curved surface is located on the road, Absorbing member 400 has the action of absorbing and absorbing shock for the first time.

Accordingly, shock absorbing and relaxing effects are absorbed through the cover body 450 and the second cushioning rod 420, which are positioned on the road due to the collision of the vehicle. At this time, due to impact energy transmitted to the support 20, The fixing portion 433 of the coupling body 430 is fixed to the ground so as to reinforce the supporting force of the column 20.

18 and 19 (c), the inner peripheral surface of the fastening body 410 is located between the fastening portion 411 of the fastening body 410 and the post 20, and the outer peripheral surface of the post 20 is received The fastening means 440 may further include fastening means 440 through which the fastening bolt 441 is integrally connected to the outer circumferential surface of the inner circumferential surface of the fastening portion 411 so as to penetrate the fastening portion 411, The fastening bolt 441 of the fastening means 440 is exposed to the outside through the fastening portion 411 while the fastening bolt 441 is provided between the fastening bolt 441 and the tightening portion 411 of the fastening body 410. [ The tightening means 440 of the fastening body 410 presses the fastening means 440 against the fastening means 440 while the fastening means 440 is in tight contact with the outer peripheral surface of the support 20 to fasten the support 20 to the support force buffering member 400 are firmly fixed.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventions. Will be clear to those who have knowledge of.

Shock absorption guardrail 10 Holding 20 rails 30
Holding bolt 40 Buffer block 100 Connection ball 101
Flat portion 102 curved portion 103 buffer groove 104
The first body 110a, the second body 110b, the reinforcing portion 120
Auxiliary buffering part 130 first connecting part 140a second connecting part 140b
The first cushion bar 200 rotation bar 300 contact protrusion 310
Supporting force buffering member 400 fastening body 410 tight contact portion 411
Guide portion 412 fastening portion 413 fastening piece 414
Second buffer rod 420 coupling body 430 support portion 431
Pressing portion 432 fixing portion 433 fastening means 440
Cover body 450

Claims (12)

A pillar installed vertically at regular intervals on the ground; And a rail disposed on the front and rear surfaces of the strut and horizontally connecting the struts, the shock absorbing guard rail for a road comprising:
A connecting hole provided between the strut and the rail when the strut and the rail are coupled by the holding bolt and passing through the center so as to allow the strut bolt to pass therethrough and the flat surface and the outer surface of the strut A buffer block including a curved surface on the other surface having a corresponding shape;
A first cushioning rod which is inserted into the strut bolt when the strut bolts are passed into the strut and fastens the buffer block to the inside of the strut and has both sides thereof opened and hollow inside; And
A guide portion provided at a lower portion of the support protruding from the upper portion of the ground and accommodating and inserting an outer circumferential surface of the support, a guide portion extending horizontally at both side ends of the close portion and extending further outwardly of the support portion, A fastening body having a fastening portion cut in a predetermined length and a fastening piece having upper and lower ends of the guide portion formed with the fastening portion bent inwardly and sloping inwardly; a hollow body inserted into the fastening portion formed on both side guide portions of the fastening body, A second cushioning rod of the fastening body, a plate-like support portion formed in the longitudinal direction of the cushioning body when the second cushioning rod is fitted to the outer circumferential surface of the second cushioning rod and bent at right angles, It has a shape that gradually narrows downward as it goes down to fit into the fastening piece of the body And a fixing part which is bent at a right angle to the lower end of the supporting part and extends in a horizontal longitudinal direction and fixes the fixing part to the ground surface, and a fastening part which is fixed to the supporting part of the fastening body facing the fastening body coupled to the fastening body, And a cover body having a shape of a half-plate-like plate member fastened to the support body. The shock absorbing guard rail according to claim 1, wherein a plurality of buffer grooves spaced from the outer periphery of the coupling hole of the buffer block plane portion are formed. [3] The apparatus of claim 1, wherein the buffer block is formed of a synthetic resin or a rubber material and is divided into a first body and a second body, the first body including a planar portion is made of a soft material, Wherein the shock absorbing guard rail is made of a hard material. The shock absorbing guardrail according to claim 2 or 3, wherein a reinforcing portion of a hard material made of a synthetic resin material or a rubber material is bound to a cushion groove formed in a flat surface portion of the buffer block. [5] The method according to claim 2 or 3, wherein the reinforcing portion of the hard material made of synthetic resin or rubber bonded to the buffer groove formed in the flat portion of the buffer block forms a hollow shape inside, Wherein the partition wall is integrally formed and partitioned into a first space portion at one side and a second space portion at the other side based on a partition wall at the center inside the reinforcement portion. The shock absorbing guard rail according to claim 1, further comprising a hollow auxiliary cushion rod inserted into the connection hole of the buffer block and inserted into the coupling bolt to insert the support bolt. [2] The apparatus of claim 1, further comprising: a plurality of ring-shaped protruding tabs protruding from the inner circumferential surface, the outer circumferential surface, or both the inner circumferential surface and the outer circumferential surface to be inserted into the connection hole of the buffer block, Wherein the shock absorbing guard rail further comprises an auxiliary cushioning rod which is provided on the side of the impact absorbing guardrail. [2] The apparatus as claimed in claim 1, wherein a first projecting step is formed at an outer circumferential end of one side to insert the strut bolt while being inserted into the connection hole of the buffer block, and the first projecting step is exposed to the curved surface portion of the buffer block, 1 < / RTI > binding hole,
A second coupling hole penetrating into the first coupling hole of the first coupling portion is formed so that the coupling bolt is inserted and a second coupling protrusion is formed at the outer peripheral end of the first coupling portion to expose to the plane portion of the buffer block Wherein the shock absorbing guard rail has a shock absorbing structure. [2] The apparatus of claim 1, further comprising: a buffer bolt coupled to the upper side of the rail when the lower bolt is coupled to the lower support by bolts on the upper and lower sides of the rail, Wherein the shock absorbing guard rail has a cushioning structure. [2] The apparatus as claimed in claim 1, further comprising a rotation bar inserted into the strut and positioned at a lower portion of the strut exposed at an upper portion of the ground, forming a plurality of contact protrusions provided in an excited state with respect to the outer circumferential surface of the strut, Shock-absorbing guardrail that combines a cushioning structure with features. delete [2] The apparatus according to claim 1, wherein the fastening bolt is located between the fastening portion of the fastening body and the support, and the inner circumferential surface of the fastening body receives the outer circumferential surface of the support while the outer circumferential surface thereof is inserted into the inner circumferential surface of the fastening portion, Wherein the shock absorbing guard rail has a shock absorbing structure.

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