KR200268094Y1 - Guard fence for vehicle - Google Patents

Abstract

The present invention relates to a vehicle protective fence, and more particularly, in a vehicle protective fence composed of a cross beam fixedly installed to connect a plurality of shores and supports fixedly supported on a road or a bridge, the shore 10 is a front first The strut portion 12 and the second supporting portion 14 at the rear are integrally formed, and the first supporting portion and the second supporting portion are curved in a forward direction toward the upper portion and have a predetermined distance therebetween. Located in the upper portion of each of the holding portion 12a, 14a is formed, the seating portion is formed with a coupling piece (12b) 14b extending forward, the cross beam 20 is a second paper It is divided into a hollow upper crossbeam 24 seated and fixed to the seating portion 14a of the main portion 14 and a hollow lower crossbeam 22 seated and fixed to the seating portion 12a of the first support 12. Each cross beam 20 is fitted with the coupling pieces 12b and 14b inserted into the bottom surface thereof. Characterized in that the fitting groove 25 is formed, the present design has excellent shock absorption because the front portion of the holding portion is bent in the vehicle collision to absorb the shock, and also because the block out is maintained about 245mm In the event of a vehicle collision, the contact surface between the protective fence and the vehicle is made in the front as much as possible, and thus has a great effect on the safety of the vehicle.

Description

Fence fence for vehicle {Guard fence for vehicle}

The present invention relates to a vehicle protective fence installed in an automobile road or bridge, and more particularly, to a vehicle protective fence of a form having excellent support strength, economical and easy construction.

In general, vehicle fences (protective fences) installed on roads or bridges are designed to prevent fatal accidents in which the vehicle being driven penetrates the railings due to a sliding accident or a collision accident and falls or leads to a personnel accident. It is necessary to maintain sufficient strength to withstand the impulse of the vehicle sufficiently.

Therefore, various types of vehicle fences have been disclosed, but most of the fences are economically designed to have a weak strength, and if the strength is excellent, the installation is complicated and the price increases.

For example, in Japanese Patent Application No. 56-708, a long bolt was added to a railing of the prior art, and a weak brittle bolt was broken by the impact force when the vehicle crashed.

In the case of Japanese Patent Laid-Open No. 63-44002, a rope having a high tensile strength is inserted in the saerail, so the effect is excellent in terms of tensile strength, but it has a disadvantage in that it is cumbersome to install and inferior in bearing capacity.

On the other hand, the Republic of Korea Utility Model Registration No. 195873 discloses a protective fence having a structure installed so that two rails are perpendicular to the upper and lower parts of the post.

However, this design is easy to assemble and has the advantage of preventing secondary accidents in the event of a vehicle crash through the ropes, but two rails are seated or inserted into the vertical posts formed approximately vertically and fixed with bolts. As the rails are bent in the collision of the vehicle, it absorbs a certain amount of shock, but the absorbed shock is very weak and the distance between the vertical post and the rail is very narrow, so the impact is transmitted directly to the vertical post, so the brittle bolt is strong. There was a shortcoming of falling into preventing the fall accident.

The present invention has been devised to solve the various problems as described above, the purpose is to have a competitive power through easy construction and low installation cost, and to improve the structure of the longitudinal post, that is, the posts, shock absorption and support strength To provide an improved vehicle fence.

The vehicle protective fence of the present invention for achieving the above object is composed of a crossbeam fixedly installed to connect the support and a plurality of shores fixedly supported on the road or bridge, and is installed along the road or bridge to prevent secondary accidents of the collision vehicle. In the vehicle protective fence for preventing, the strut has a double structure in which the first holding portion in front and the second holding portion in the rear are integrally formed, and the first holding portion and the second holding portion are curved in a forward direction toward the upper portion. Located up and down at a predetermined interval from each other, the upper portion of each holding portion is formed with a seating portion, the seating portion is formed with a coupling piece extending forward, the hollow is seated and fixed to the seating portion of the second support The upper horizontal beam of the hollow and the lower horizontal beam of hollow to be seated and fixed to the seating portion of the first support portion, each cross beam is fitted with a coupling piece on the bottom It characterized in that the insertion groove is formed to be coupled.

1 is a perspective view of a vehicle protective fence according to the present invention,

Figure 2 is a side cross-sectional view of a vehicle protective fence according to the present invention,

3 is an enlarged cross-sectional view taken along the line A-A of FIG.

Figure 4 is a perspective view showing another embodiment of the vehicle defense fence according to the present invention,

Figure 5 is a side view showing another embodiment of a vehicle defense fence according to the present invention,

6 is an enlarged cross-sectional view taken along line B-B of FIG. 5;

Figure 7 is a side view showing another embodiment of a vehicle defense fence according to the present invention.

◎ Explanation of symbols for main part of drawing

10: landlord 12: first housewife

12a: seating portion 12b: coupling piece

14: second support part 14a: seating part

14b: Joining Piece 20: Crossbeam

22: lower crossbeam 24: upper crossbeam

25: fitting groove 28,29: nut

30, 31: bolt B: support block

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

1 is a perspective view of a vehicle protective fence according to the present invention, Figure 2 is a side cross-sectional view of the vehicle protective fence according to the present invention, Figure 3 is an enlarged cross-sectional view of the cut line A-A of FIG.

With reference to this, the present invention is to be installed along the edge of the road or bridge or along the boundary of the road or sidewalk to prevent the vehicle from deviating from the normal traveling direction to prevent secondary accidents of the collision vehicle, the support block (B It is composed of a plurality of struts (10) fixedly supported at), and a horizontal beam 20 is fixedly installed to connect the struts (10).

The strut 10 has a double structure in which the first holding portion 12 at the front and the second holding portion 14 at the rear are integrally formed, and the first holding portion 12 and the second holding portion 14 are The curved shape is bent forward toward the upper portion is positioned up and down at a predetermined interval between each other.

In addition, seats 12a and 14a on which the horizontal beams 20 are seated are formed at the upper end portions of the respective support parts 12 and 14, and coupling pieces extending forward in the seating parts 12a and 14a ( 12b) 14b are formed.

In addition, since the cross section of the support has a shape in which two H-shaped beams are integrally attached as shown in FIG. 3, the external shock can be sufficiently endured.

The strut 10 having such a structure is preferably made of a material of aluminum high strength alloy (alloy name AC7A-F, KS D 6008), but is not limited thereto, but the impact strength according to the basic regulations of the Ministry of Construction and Transportation Design Guidelines. Any material that can be sufficiently satisfied can be applied.

On the other hand, the support (10) is fixedly installed at both ends of the support block (B) having a concrete material at a predetermined distance, wherein the support (10) is fixed to the support block (B) is a conventional alkabolt It is desirable to choose according to the conditions of the site, such as the reclamation type and the landscaping type.

At this time, the distance of the support 10 fixed to the support block (B) is preferably based on 2M in the case of SB4 grade to be described later, 1.5M in the case of SB5 grade, but is not limited thereto. .

The cross beam 20 has a cross-sectional area having an approximately elliptical shape, and a hollow upper cross beam 24 and a seating portion of the first support portion 12 that are seated and coupled to the seating portion 14a of the second support portion 14. It is divided into a hollow lower horizontal beam 22 to be seated and coupled to (12a), each of the cross beam bottom is formed with a fitting groove (25) to which the coupling pieces 12b, 14b is fitted.

The cross beam 20 having such a structure has a material of aluminum special alloy (alloy name 6061-T6: a heavy alloy widely used in steel towers and cranes, or 6063-T: a soft alloy widely used in a safety building chassis). However, the present invention is not limited thereto, and any material may be used as long as it satisfies the impact strength according to the basic regulations of the Ministry of Construction and Transportation.

In addition, the strut 10 and the cross beam 20 are fixedly coupled by bolts 30 and 31 and nuts 28 and 29 made of ordinary stainless steel.

That is, the bolt 30 penetrating the coupling piece 14b and the cross beam 20 of the support and the nut 28 corresponding thereto and the bolt penetrating the seating portions 12a and 14a and the cross beam 20 ( 31 and the support 10 and the cross beam 20 are fixedly coupled by the fastening of the nut 29 corresponding thereto.

At this time, the distance from the front of the support 10 to the front of the cross beam 20 is commonly referred to as a block out (Block out), but the block out of the present invention will maintain 230 ~ 260mm due to the shape of the support, preferably It will have 245mm.

On the other hand, when explaining the impact calculation conditions of the present invention configured as described above, the standard section SB4 grade (60 ~ 80km / weekly main road, secondary main road) has a reference impact degree of 160 (KJ), the center section, bridge section and Applied to the high roadside section, the SB5 class with a standard impact rating of 230 (KJ) is applied to the special section where roads and other roads intersect, and the section where many heavy vehicles pass, and the high-speed section (100 km / hr or more) SB5 grades are applied to median dividers, bridge sections and high roadside sections.

Now, the operation and effect of the present invention configured as described above will be described.

The struts 10 and the cross beams 20 which are configured and fixedly orthogonally coupled to each other by bolts can sufficiently withstand the shock generated when the vehicle is hit by the mechanical structure.

In other words, the block out of the conventional vehicle fence has a maximum of 100mm, while the present design has a blockout of approximately 245mm, so that the contact surface between the fence and the vehicle is made from the front as much as possible when the vehicle collides. As the part is bent and absorbs the shock, the shock absorbing power is excellent.

Such excellent shock absorption has a great impact on the safety of the vehicle. In other words, absorbing a certain amount of impact from the holding part during a vehicle crash means that a shock transmitted to a vehicle driver or a passenger can be reduced, and thus, injuries of a driver or a passenger generated during a vehicle crash can be reduced to some extent. .

In addition, the present invention can be re-installed in a variety of shapes by utilizing the special function of the extruded aluminum extruded shape as long as the cross-sectional area is complemented in addition to the above-described dynamic structure, so that not only the protection of weight and life, but also the beauty of the city There is an advantage that can greatly contribute.

In addition, the present invention has the advantage that the construction is easy to install because the structure is configured to be easily fixed through the bolt in the seat on the seating portion of the strut, the installation cost is low, and the installation work efficiency is improved.

Meanwhile, another embodiment of the present invention is illustrated in FIGS. 4 to 6, and only different points from the above-described embodiment are described as follows.

The present embodiment is different from the above embodiment in that the cross-sectional area of the support 100 is formed in one H shape, and has the same function in terms of purpose and effect.

The upper portions of the support parts 120 and 140 have a shape in which the upper ends of the support parts 120 and 140 are in close contact with each other so that a gap is not formed therebetween.

On the other hand, as shown in Figure 7, another embodiment of the present invention, the cross-sectional shape of the cross beam 200 is different from each other and will have the same function in terms of purpose and effect.

That is, the cross beam 200 has an elliptical shape in which the cross-sectional shape becomes narrower from the front to the rear, and the hollow upper cross beam 240 and the first support portion which are seated and coupled to the second support 14. 12 is divided into a hollow lower cross beam 220 that is seated and coupled to.

As such, the present invention may be variously changed or substituted within a similar scope, and the scope is not limited to the above-described embodiments.

As described above, the present invention has excellent shock absorbing power because the front bent portion is absorbed when the vehicle is bent in a collision, and the block out is maintained at about 245 mm, so that the contact surface between the fence and the vehicle during the collision This is done in the front as possible, and thus has a great effect on the safety of the vehicle.

Claims (5)

In the vehicle protective fence for preventing secondary accidents of the collision vehicle is composed of a crossbeam fixedly installed to connect the plurality of shores and the shores fixedly supported on the road or bridge, The support 10 has a double structure in which the first holding portion 12 at the front and the second holding portion 14 at the rear are integrally formed, and the first holding portion 12 and the second holding portion 14 are integrated. Is positioned upward and downward at a predetermined distance from each other in a shape that is bent forward toward the upper portion, each of the support portion 12, 14 is formed in the upper end portion 12a, 14a, the seating portion 12a 14a, the coupling pieces 12b and 14b extending forward are formed, The cross beam 20 is seated and fixed to the hollow upper cross beam 24 that is seated and fixed to the seating portion 14a of the second support portion 14 and the seating portion 12a of the first support portion 12. The lower horizontal beam 22 is divided into hollow, each cross beam 20, the vehicle fence fence, characterized in that the fitting groove (25) is formed to be coupled to the coupling pieces (12b, 14b) on the bottom. According to claim 1, wherein the support (10) and cross beams (20) bolts 30, 31 and nuts (28) (29) in the state in which the engaging pieces (12b, 14b) is fitted in the fitting groove (25) Vehicle protective fence, characterized in that fixed by the fastening. According to claim 1, wherein the support (10) is made of a material of aluminum high strength alloy (alloy name AC7A-F, KS D 6008), the cross beam 20 is aluminum special alloy (alloy name 6061-T6 or 6063- Vehicle protective fence, characterized in that made of the material of T). According to claim 1, the struts 10 and cross beams 20 coupled to each other is applied to the SB4 grade having a standard impact degree of 160 (KJ) in the general section (60 to 80 km / weekly main road, secondary main road) In the special section where the road and the other road intersect, the section with a lot of special heavy vehicle traffic, and the high speed section (highway over 100km / hr), the SB5 grade of 230 (KJ) is applied. Vehicle protective fence. The vehicle fence of claim 1, wherein the distance from the front surface of the support column to the front surface of the cross beam is 245 mm.