KR200217044Y1 - A Restorable Assistant Median Strip for Road - Google Patents

Abstract

The present invention is a fixed support which is installed at a predetermined interval on the upper side of the guardrail column or the concrete barrier wall installed along the center of the road, and a plurality of auxiliary supports are installed at regular intervals between the fixed support, and the holding and auxiliary In the secondary subdivision of the road consisting of a light-shielding plate connected to the fixed holding and the auxiliary holding with a connector or a support between the support or the auxiliary holding, the light blocking plate has a predetermined size formed with a plurality of inclined through holes therein; The perforated plate of the elastic material and the outer frame of the elastic material having a predetermined width thicker than the cross-sectional thickness of the perforated plate is integrally formed on the periphery of the perforated plate, and at least two upper and lower fitting rings are formed in both end surfaces of the outer frame. Auxiliary central road for road restoration, characterized in that the landfill fixture formed by exposure to landfill For example, when the driving vehicle collides with the secondary central separator, the secondary central separator has an elastic restoring force to prevent the occurrence of secondary accidents and to block the headlights of the vehicle running in the opposite lane. In addition, the installation of the auxiliary central separator is not only quick and simple, but also easy to maintain and maintain according to the use after installation, and also reduce the maintenance cost.

Description

A Restorable Assistant Median Strip for Road

The present invention relates to an auxiliary central separator installed above the central separator of a roadway, and more particularly, by having an auxiliary central separator having an elastic restoring force on the upper side of the central separator, the vehicle collides with the central separator while driving. In the event of an accident, the secondary accident should be prevented in advance, and the headlights of the vehicle driving in the opposite lane will be blocked for safe operation, and the installation of the auxiliary central separator will be quick and simple. The present invention relates to a roadside central separation stand that is easy to maintain according to use and that can be restored to its original state, which can reduce maintenance costs.

Conventionally, the secondary central separator in which the light shielding plate is conventionally installed is formed on the upper surface of the concrete central separator 1, as shown in FIG. 1A, and the fixing pillars 2 are fixedly installed at predetermined intervals on the upper surface of the concrete barrier wall. A secondary central separator is known, in which a light shielding plate 4 made of plastic, aluminum or plated iron is assembled by the connector 3 between the fixing columns 2.

The secondary central separator as described above is installed by using a light-blocking plate 4 of a solid body, and thus, when the vehicle collides, the light-shielding plate falls off on the road or protrudes toward the road, which is a secondary obstacle to the running vehicle. There is a problem that causes traffic accidents.

In addition, in order to repair it in the future, the traffic flow of the vehicle must be blocked and repaired. In particular, the repair work on the central separator is more dangerous than the repair work on the shoulder, and it is inconvenient to maintain and replace the damaged parts. Due to the relatively long work period according to the assembly installation work, there is a problem that takes a lot of maintenance costs, and caused a major obstacle to the running of the vehicle due to traffic control during the maintenance work period.

As another conventional technique, as shown in FIG. 1B disclosed in Utility Model Registration No. 20-0191499, a guardrail support provided on the center is provided with a light shielding plate provided on the upper side of the guardrail central separator 5. (6) A light shielding plate (9) made of plastic, aluminum, or plated iron by connecting and fixing a separate auxiliary column (7) to the upper surface thereof, and connecting the connector (8) between the auxiliary column (7). Auxiliary central separator with assembly is known.

Since the auxiliary central separator is also installed by using the light shielding plate 9 formed in the form of a plate-like solidified body made of metal or plastic, the vehicle is collided or exposed by being bounced or bent in the opposite direction when the vehicle collides. Since the vehicle will function as an obstacle to the vehicle driving in the second vehicle had a problem that causes a traffic accident.

Likewise, in order to repair it later, the traffic flow of the vehicle must be blocked and repaired. In particular, the repair work of the central separator is more dangerous than the repair of the guardrail on the shoulder, and it is inconvenient to maintain and damaged. Due to the relatively long working period due to the replacement and assembly and installation work, the maintenance cost is high, and the problems that cause great obstacles to the driving of the vehicle due to traffic control during the maintenance work have existed. .

The present invention is to solve all the problems occurring in the above-described conventional secondary central separators, even if the vehicle collides with the secondary central separator to prevent the secondary traffic accident if the structure is restored to its original form. In view of the fact that most structures, except for some structures, are provided with elastic light shielding plates and structures installed with auxiliary supports of elastic material, they are prevented from being damaged or dislodged. To fundamentally block the driver's temporary vision impairment caused by the headlights of the driving vehicle, it is possible to perform the original function of the light shielding plate which enables the safe operation of the vehicle, and in particular, to facilitate the installation, installation and maintenance work. Was created to.

The purpose of the present invention is to fabricate and install each of the light shielding plate and the auxiliary support to be installed in the sub-center separator made of elastic material, so that even if a collision accident caused by the vehicle has the original restoring force to maintain its shape after the collision, It is to provide an auxiliary central separator for road restoration that prevents the risk of secondary accidents acting as obstacles by bouncing or protruding to the outside.

As another object of the present invention, a plurality of inclined through-holes formed in the shading plate are installed to be inclined in the opposite direction to the traveling direction of the vehicle, so as to withstand wind pressure, in particular, the driver's headlights by the headlights of the vehicle proceeding in the opposite direction during night driving It is to provide a secondary roadway separation center that can restore the original to prevent traffic accidents by blocking the temporary blindness to prevent traffic accidents.

As another object of the present invention, not only can the assembly and installation work of the central partition light shielding plate be quickly and simply made, but also easy to maintain and install according to the use after installation, and also can restore the original road, which can reduce the maintenance cost. To provide an auxiliary central separator.

In order to achieve the above-mentioned object, the present invention is a porous plate having a plurality of inclined through holes after fixing the metal holding column and the auxiliary column of the elastic material at a predetermined interval on the upper side of the existing central separator; A ready-made product made of an elastic material shading plate made of an elastic material with an end frame integrally formed with an outer frame embedded with a buried fastener so that the fitting ring protrudes to the outside at a predetermined position on both left and right sides with a cross-sectional thickness larger than the thickness of the plate as a connector between the posts. A secondary central separator is provided so that the secondary support of the elastic material along with the elastic shading plate can be moved in any direction and restored to its original position so that the vehicle is not dropped from the installation state. It is to be prevented.

Figure 1a is a perspective view of a secondary central separator installed on the top of the conventional concrete central separator

Figure 1b is a perspective view of a secondary central separator installed on the upper side of the conventional guardrail central separator

Figure 2 is a front view showing a state installed on the upper side of the guard rail central separator as a first embodiment of the present invention

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

4A is a partial perspective view showing a connection state with a guardrail column, a stationary column, and a light shield plate;

4B is a partial perspective view showing a connection state with a guardrail support, an auxiliary support, and a light shield plate;

Fig. 5A is a partially enlarged side sectional view showing a connection state with a guardrail column, a stationary column, and a light shield plate;

Fig. 5B is an enlarged side sectional view of a part showing the connection state of the guardrail column, the auxiliary column, and the light shielding plate;

Figure 6a is a second embodiment of the present invention, a partially enlarged side view showing a state in which the fixing column is installed on the upper surface of the protective wall of the concrete median separator

Figure 6b is a second embodiment of the present invention, a partially enlarged side view showing a state in which the auxiliary column is installed on the upper surface of the protective wall of the concrete central separator

7 is a view of another embodiment of a connector connecting the auxiliary column and the light shield plate;

<Description of the symbols for the main parts of the drawings>

10: guardrail median 20: concrete median 30: guardrail support

31a, 31b: Cap 32: Bolt 33: Washer

34: Nut 35: Hole 36: Blind rivet

40: holding head 41, 51: pillar part 42, 52: plate

50: auxiliary holding 53: through hole 54: buried nut

60: shading plate 61: porous plate 62: inclined through-hole

63: outer frame 64: buried fixture 65: fitting ring

70: connector 71a, 71b, 71c: hook 80: anchor bolt

81: fixed nail

Hereinafter, the technical configuration of the present invention will be described in detail based on the accompanying drawings.

Figure 2 is a first embodiment of the present invention, a front view showing a state installed on the upper side of the guardrail central separator, Figure 3 is an enlarged cross-sectional view of the AA line of Figure 2, Figure 4a is a guardrail support, a fixed holding and 4B is a partial perspective view showing the connection state of the light shield plate, and FIG. 4B is a partial perspective view showing the connection state of the guardrail support, the auxiliary support and the light blocking plate, and FIG. Side cross-sectional view, Figure 5b is a partially enlarged side cross-sectional view showing a connection state with the guardrail support, the auxiliary support and the light shielding plate, Figure 6a is a second embodiment of the present invention, a state in which the fixing support is installed on the upper surface of the barrier wall of the concrete 6B is a partially enlarged side view of the second embodiment of the present invention, and a partially enlarged side view showing a state in which an auxiliary column is installed on the upper surface of the protective wall of the concrete median separator, FIG. FIG. 7 is a diagram illustrating another embodiment of a connector connecting the george and the light shield plate. FIG.

As shown in Figures 2 to 7, the present invention is fixed to the upper side of the guardrail column 30 of the guardrail divider 10 or the upper surface of the barrier wall of the concrete divider 20 installed along the center of the road Fixing support 40 is installed at intervals, and a plurality of auxiliary support 50 is installed at a predetermined interval between the fixed support, and the connector 70 between the fixed support and the auxiliary support or auxiliary support and the auxiliary support 70 In the road secondary central separator consisting of a light blocking plate 60 is fixed to the fixed support and the auxiliary support is installed,

The light blocking plate 60 has a predetermined size elastic porous plate 61 having a plurality of inclined through-holes 62 formed therein, and a predetermined thickness thicker than the cross-sectional thickness of the porous plate at the edge of the porous plate 61. The outer frame 63 of the elastic material of the width is integrally formed, and the buried fixture 64 is formed by embedding the upper and lower two or more fitting rings 65 exposed to the outside in both end surfaces of the outer frame.

It describes the main structural portion of the subject innovation made of the features as described above.

As shown in FIGS. 4A, 5A, and 6A, the fixing column 40 includes a plate 42 having bolt holes formed at a lower end thereof, and hooks 71a formed at upper and lower predetermined positions while extending upward from the plate. The welded pillar part 41 is integrally formed of a pipe-shaped metal post installed.

The fixed column 40 is fixedly installed on the lower guardrail column 30 or the upper surface of the concrete barrier wall, buried in the end of the light shield plate 60 in the hooks 71a welded to the column 41. The fitting ring 65 of the fixture 64 is fitted to connect the fixing column 40 and the light shielding plate 60.

As shown in Figs. 4B, 5B, and 6B, the auxiliary column 50 includes a plate 52 having holes formed at the bottom thereof, and a through hole 53 horizontally extending at an upper and lower predetermined position while extending upward from the plate. It is a pillar of the elastic elastic material of the cylindrical portion 51 is formed integrally with the elastic material to be installed at regular intervals between the fixed holding (40) having a).

The auxiliary column 50 is fixed to the lower guard rail column 30 or the upper surface of the concrete barrier wall, and the hooks are bent at both ends by inserting the connector 70 into the through holes 53 of the column 51. The fitting ring 65 of the buried fixture 64 embedded in the end of the light blocking plate 60 is fitted to the 71b, thereby connecting the auxiliary column 50 and the light blocking plate 60 to each other.

On the other hand, the auxiliary column 50 may be installed in the form of a pipe made of an elastic material having a large cross-sectional thickness of the pipe while having a hollow portion, but it is preferable to install one made of a cylindrical elastic material without the hollow portion.

As shown in FIGS. 2 and 3, the light shielding plate 60 has a width of about 5 to 6 m and is manufactured as a single body, and has a plurality of inclined through holes uniformly disposed therein. An integrally formed elastic plate 61 having a predetermined size (62) and an outer frame 63 of an elastic material having a predetermined width thicker than the cross-sectional thickness of the porous plate are integrally formed at an edge of the porous plate 61. However, the two or more upper and lower fitting ring 65 in both sides of the outer frame is embedded in the buried fixture 64 formed by embedding.

The inclined through-holes 62 of the light shield plate are formed to be inclined in a direction opposite to the traveling direction of the vehicle to block the headlight of the vehicle running in the opposite lane side.

The connector 70 is a mounting means for connecting the strut and the light shielding plate. As shown in FIGS. 4A, 5A, and 6A, the connector is mounted on the metal holding column 40 in the shape of a fishing needle. 71a) formed and welded to at least two positions on the left and right sides of the column 41 of the metal holding column 40 at least two positions, and the auxiliary column of the elastic material as shown in FIGS. 4B, 5B, and 6B. The connector mounted on the 50 has a straight shape and is fitted into the through holes 53 penetrated on the auxiliary column 50, and has a hook 71b having both ends bent upwards.

On the other hand, Figure 7 is another embodiment of the connector that is mounted to the auxiliary support of the elastic material, unlike shown in Figures 5b and 6b, the form of the hook 71c separated on both sides is shown, the auxiliary support ( Inserting the buried nut 54 with the female threaded portion in the inner circumferential surface of the through holes 53 of the through hole 53, one side is formed as a male screw portion on each of the left and right sides of the column portion 51, and the other side is embedded in the hook 71c in which the hook is formed. The form in which the female thread part 54 and the fitting ring 65 of the buried fixture 64 of the light shielding plate 60 are respectively fitted is installed.

This is for adjusting the ease of fastening work between the light shielding plate 60 and the auxiliary support 50 and the fastening force, that is, the tension between the light shielding plate and the auxiliary support, to connect the auxiliary support and the light shielding plate in the concrete median or guardrail median. Note that each can be applied in the same way.

As a first embodiment of the present invention made of the configuration as described above, it will be described in detail with respect to the secondary central separator installed on the guardrail support 30 of the guardrail middle separator 10.

As shown in FIG. 2, the metal holding column 40 is connected to the upper surface of the guard rail column 30 of the metal guard rail central separator 10 installed along the center of the road at intervals of 30 to 50 m. And fixed to the holding column 40, the supporting column 50 made of an elastic material at a predetermined interval (5 ~ 6m) between the fixing column 40 is continuously installed, and between the struts by the connector 70 The light shielding plate 60 is connected and assembled.

As shown in Figures 4a and 5a, the fixing column 40 is installed at an interval of 30 to 50m on the upper surface of the guard rail column 30 of the guard rail central separator 10, the fixing column 40 is A plate 42 having bolt holes formed at the lower end thereof, and a pillar portion 41 in which hooks 71a are welded at predetermined upper and lower positions while extending upward from the plate are formed integrally with a metal material to form a bolt hole of the plate. The bolts 32 protruding from the upper surface of the cap 31a attached to the guardrail column 30 are inserted into and fixed with the nut 34 via the washer 33.

As shown in Figures 4b and 5b, the auxiliary column 50 is installed at intervals of 5 to 6 m between the fixed column 40, the auxiliary column 50 and the plate 52 with holes formed at the bottom and The pillar portion 51 having the through-holes 53 horizontally in a predetermined position in the upper and lower predetermined position while extending from the plate is formed integrally with an elastic material to be installed at fixed intervals between the fixing column 40, The blind rivet 36 is inserted into the hole 35 of the cap 31b attached to the hole and the guardrail column 30, and is driven by a hand reversator to fix it.

The blind rivet 36 is composed of an alloy composition of lead and zinc, and when tightened with a hand-reverter, the lower part is pushed up to become a head, and the upper part forms a head, and the extension part is cut to function as a rivet.

The light shielding plate 60 is assembled between the posts, and the assembly with the metal holding column 40 is buried at the end of the light shielding plate 60 in hooks 71a welded to the column 41. The fitting ring 65 of the fastener 64 is connected to each other, and the assembly with the auxiliary column 50 is connected to the through holes 53 of the pillars 51 by inserting the connector 70 into the hooks bent at both ends thereof ( 71b) is connected to the fitting ring 65 of the buried fixture 64 embedded in the end of the light shielding plate 60.

As a second embodiment of the present invention will be described for the secondary central separator installed on the protective wall of the concrete central separator 20.

As shown in Fig. 6a, the fixing column 40 drills the upper surface of the concrete protection wall of the concrete center separator 20 at a predetermined interval and fixes the anchor bolt 80 into the drilling hole, and protrudes the anchor bolt. Insert the bolt hole of the lower plate of the metal holding column 40 into the washer 33 or the spring washer through the nut 34 to fix and install.

As shown in Figure 6b, the auxiliary column 50 is an intermediate intermediate column of elastic material that is installed in a plurality at regular intervals between the fixing column 40 is fixed to the upper surface of the protective wall of the concrete median separator 20, The fixing nail 81 is driven by a concrete gun at a predetermined position of the plate formed at the lower end and is fixed to the upper surface of the concrete protection wall while penetrating the plate.

On the other hand, since the light blocking plate 60 is connected to the fixed holding 40 and the auxiliary holding 50 is the same as the first embodiment of the present invention, the description thereof will be omitted.

According to the present invention installed according to the above embodiments, the buried fixture 64 is embedded at both ends of the rubber shading plate 60 having elasticity so that the fitting ring 65 protrudes, so that each strut and the shading plate are The connection work is conveniently made by the connector 70.

That is, the hook 71b installed in the auxiliary support 50 is fixed to the left and right flows, and the hook 71c is installed to be able to adjust the left and right by tightening or releasing, buried buried at the end of the light shielding plate 60. After one side of the hook is connected to the fitting ring 65 protruding from the fixture 64, the hook ring 71b and 71c is pulled or tightened when the other light shielding plate 60 is connected to the other side. By fitting in) will be able to connect the light shield plate 60 simply and quickly.

In the above embodiments, the auxiliary pillars 50 of the elastic material disposed and installed between the metal holders are hooked to the hooks 65 of the buried fixture 64 of the light shielding plate 60 by hooks 71b and 71c. It is assembled in a series in the vehicle collision with the elastic material of the shielding plate 60 and can be moved in any direction while being restored to its original position.

The present invention assembled as described above is to install the auxiliary central separator to the upper side of the guardrail column upper side of the guard rail center of the middle separator functioning as the existing central separator or the upper side of the protective wall of the concrete central separator, respectively, In the event of a vehicle crash by installing a fixed support made of metal and an auxiliary support made of elastic material, which are installed at a predetermined interval on the upper side of the guard rail support or the barrier wall, and connecting the elastic light shielding plates disposed between the support posts and mounted on the support posts. Along with the light shielding plate of the elastic material, the secondary support of the elastic material can be moved in any direction while being restored to its original position so as not to be dropped, thereby preventing secondary accidents of the vehicle.

Therefore, when the vehicle collides with the auxiliary central separator, the collision repulsion force transmitted to the collision vehicle is weakened by the elasticity of the light blocking plate 60 and the auxiliary support 50 of the elastic material, thereby protecting the driver and the passenger. Instead, the light shielding plate 60 and the auxiliary support 50 are bent outwards by the collision of the vehicle and then restored to the original state, thereby preventing the secondary central separator from being damaged and preventing secondary accidents. Because of this, the vehicle and the rider has a cushioning effect made of elastic material of the shading plate and the auxiliary supports to reduce the risk.

In addition, the light blocking plate 60 installed between the pillars is formed of a porous plate made of an elastic material such as rubber, and a plurality of inclined through-holes 62 inside the porous plate 61 are opposed to the traveling direction of the vehicle. As it penetrates in an inclined direction, it resists wind pressure and prevents falling off and blocks the headlights of vehicles traveling in the opposite lane at night.

Therefore, it is possible to prevent the occurrence of traffic accidents by preventing the driver's temporary visual impairment caused by the headlights of the vehicle proceeding in the opposite direction during night driving, and in the daytime, the sight window which can visually check the road situation of the opposite lane It will play a role.

Accordingly, the light shielding plate 60 made of elastic material is assembled by connecting the fitting ring of the buried fixing tool embedded in both side ends of the outer frame formed integrally with the porous plate as a connector to the metal fixing support and the auxiliary support of the elastic material. The road secondary central separator according to the present invention has a configuration in which a light blocking plate installed in the form of a conventional fastening body is damaged during a collision with a vehicle, and is thrown out in the opposite direction or bent to protrude, acting as an obstacle and causing a secondary traffic accident. Unlike the above, the present invention is designed to allow the light shield plate and the auxiliary supports to be integrally installed with elastic materials so that even if a collision accident occurs due to the vehicle, it is possible to return to the original state after the collision, that is, to flow in any direction with the light shield plates made of elastic materials, It has the original restoring force to maintain its shape and prevent damage from impact. The risk of car accident, as well as second-line to be prevented as, there is an effect that it is possible to perform the original function of the shield plate and on.

In addition, since the through hole penetrated through the light blocking plate is installed to be inclined in the opposite direction to the traveling direction of the vehicle, it blocks the wind pressure and blocks the driver's temporary blindness caused by the headlights of the vehicle, which proceeds in the opposite direction, especially during night driving. By giving a significant contribution to the safe driving of the vehicle, it is effective to prevent the occurrence of traffic accidents.

In addition, the light shielding plate of the auxiliary central separator of the present invention can be manufactured using recycled rubber, so that it can be produced at low cost. There is no need for a maintenance work that interferes with the conventional vehicle communication has the effect of easy maintenance, and also has the effect of reducing the cost of repair.

Claims (8)

Fixing support 40 is installed at a predetermined interval on the upper side of the guardrail support 30 of the guardrail support 30 of the guardrail central separator 10 installed along the center of the road, or the fixed support 40, A plurality of sub-supports 50 are installed at regular intervals between, and between the fixed support and the auxiliary support or the auxiliary support and the auxiliary support 70 connected to the fixed support and the subsidiary light-shielding plate 60 In the secondary auxiliary separator for road is composed of, The light blocking plate 60 has a predetermined size elastic porous plate 61 having a plurality of inclined through-holes 62 formed therein, and a predetermined thickness thicker than the cross-sectional thickness of the porous plate at the edge of the porous plate 61. The outer frame 63 is formed integrally with the width of the elastic material, and the buried fixture 64 is formed by embedding the buried fixture 64, the upper and lower fitting ring 65 is exposed to the outside in both end surfaces of the outer frame. Restoreable road secondary centrifuge. According to claim 1, wherein the inclined through-holes 62 of the light-shielding plate 60 is a secondary secondary separator for road restoration, characterized in that formed inclined in the opposite direction to the traveling direction of the vehicle. According to claim 1, wherein the fixing column 40 is installed on the upper side of the guardrail column 30, the plate 42 with the bolt holes formed at the lower end and the hook is extended to the upper and lower predetermined position while the upper side from the plate The pillar portion 41 in which the 71a is welded is integrally formed in the shape of a metal pipe, and fixed to the bolt hole of the plate 42 from the upper surface of the cap 31a welded to the guard rail column 30. The protruding bolts 32 are fitted into the nut 34, and the fitting ring of the buried fixture 64 embedded in the end of the light blocking plate 60 is attached to the hooks 71a welded to the pillar portion 41. 65) road secondary central separator capable of restoring the original, characterized in that the connection. According to claim 1, wherein the auxiliary column 50 is installed on the upper side of the guardrail column 30, the plate 52 and the hole formed in the lower end of the through hole in the upper and lower predetermined position while extending upward from the plate The pillar portion 51 having the 53 is integrally formed in an elastic cylindrical shape, and the blind rivet 36 is inserted into the hole 35 of the cap 31b, which penetrates the plate and is welded on the guardrail circumference. It is driven by a hand reversible and fixed to the through-holes 53 of the pillar portion 51 by hooking the hook 71b to bend the end of the buried fixture 64 embedded in the end of the light shielding plate 60 ( 65) road secondary central separator capable of restoring the original, characterized in that the connection. According to claim 1, wherein the metal holding column 40 is installed on the upper surface of the concrete barrier of the concrete separator 20, the plate 42 with bolt holes formed at the bottom and extending upward from the plate The pillar portion 41 in which the hooks 71a are welded at predetermined positions up and down is integrally formed in the shape of a metal pipe, and the bolt holes of the plate are inserted into the anchor bolts 80 installed by drilling the upper surface of the concrete barrier wall and connected by nuts. The original restoration, characterized in that the fitting ring 65 of the buried fixture 64 embedded in the end of the light-shielding plate 60 is fitted to the hooks 71a welded to the pillars 41. Possible secondary road separator for roads. According to claim 1, wherein the auxiliary column 50 is installed on the upper surface of the protective wall of the concrete separator 20, the lower plate 52 and the through hole 53 in a predetermined position up and down while extending upward from the plate The pillar portion 51 is integrally formed in an elastic cylindrical shape, and the fixing nail 81 is fixed to the plate 52 at the lower end thereof with a concrete gun to be fixed to the upper surface of the concrete barrier wall. The hook hole 71b is inserted into the through holes 53 so that the end portion is bent to be connected to the fitting ring 65 of the buried fixture 64 embedded in the end of the light shielding plate 60. Road secondary centrifuge. According to claim 1, The connector 70 for connecting the auxiliary column 50 and the light shielding plate 60 by inserting the buried nut (54) formed with a female thread on the inner peripheral surface of the through holes 53 of the auxiliary column 50 On both left and right sides of the column part 51, one side is formed with a male screw part, and the other side has a hook 71c having a hook formed therein, and a female ring part of the buried nut 54 and a fitting ring 64 of the buried fixture 64 of the light shielding plate 60 ( 65) A road secondary central separator capable of restoring the original, characterized in that the connection is fitted to each other installed. According to claim 4 or 6, wherein the auxiliary support 50 of the elastic material is assembled to the light shielding plate 60 and the serial body by the connector 70, while being able to flow in any direction with the light blocking plate of the elastic material when the vehicle crash A secondary central separator for roads, which can be restored to its original position.