JPH11241316A - Mark support for road construction work or the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mark support easily and securely fittable to a guard rail, capable of saving space and reducing a cost. SOLUTION: A mark support 10 for road construction work or the like is provided with an upper retainer 11 arranged to the upper periphery A of a guard rail, a lower retainer 13 arranged to the lower periphery B of the guard rail, and a collapsible connector 15 for connecting the upper retainer and the lower retainer, and post inserting holes 11D, 13D vertically penetrating the guard rail to the anticonnector side thereof are provided to the upper retainer 11 and the lower retainer 13. In this case, the upper retainer 11 is arranged to the upper periphery A of the guard rail 1, and the lower retainer 13 is arranged to the lower periphery B of the guard rail, and a post is inserted into the post inserting holes 11D, 13D to retain the mark plate of road construction work or the like to the guard rail.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to various kinds of guides used for road construction and the like, which can be temporarily installed on a gardore by simple attachment means when there is no space for standing a sign on the side of the road. The present invention relates to a sign support device for boards.

[0002]

2. Description of the Related Art Hitherto, there have been provided a large number of sign support devices for various guide plates used for road construction and the like which can be temporarily installed on guardrails. As an example, as shown in FIG. 19, a sign support device J1 temporarily installed on a guardrail is
In order to attach the upper and lower mounting brackets K1 and K2 to the guard rail 1, they are fixed by means of a vertical screw rod N and screwing means of fastening bolts B1 and B2, and columns P1 and P2 of various guide plates G are inserted into this. Standing upright.

[0003] The sign support device J2 shown in FIG.
The screwing means was abolished, and the front 1A of the guardrail 1 was removed.
The supporting members 3 are arranged along the vertical direction. Drilling holes 5 and 5 are formed in the upper and lower connecting pieces 3A and 3B on the opposite side of the holding member so that the supporting members 9 of the sign G can be easily inserted into the supporting members. It was made.

[0004]

Since the first sign support device J1 employs screwing means, the work of mounting the guard rail 1 is time-consuming, and the sign support device J1 is complicated, and the manufacturing cost is increased. Is higher. Then, the screwing means is easily loosened by receiving external force such as wind, and may come off the guardrail.

[0005] The second sign support device J2 is a holder 3 extending along the front surface of the guardrail 1, and a column insertion hole 5, which vertically penetrates the upper and lower connecting pieces 3A and 3B on the opposite side of the holder. 5, the support 9 of the sign 7 can be simply inserted. However, the sign support device J2 has been increased in size to increase its manufacturing cost. Further, since the holding body is not folded compactly when the holding body is stored, a large storage space is required and the transportation cost is increased. Further, in the sign support device J2,
Since the length between the upper and lower connecting pieces of the holder is constant, there is also a problem that a single holder cannot cope with guardrails of various standard dimensions. For this reason, it is necessary to prepare holders manufactured to various standard dimensions, which increases the manufacturing cost.

Further, the above two sign support devices J1, J1
When J2 is supported by a guardrail laid on a slope with a slope, there is also a problem that the guide rail G is inclined when the guardrail is not in a horizontal posture and is attached to the guardrail with the slope.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and has as its object to provide a sign support device which can be easily and reliably attached to a guard rail, and which can reduce costs and space. . Another object of the present invention is to provide a sign support device that can reduce costs and save space, and can be used with a single sign support device for guardrails of all standard dimensions. Another object of the present invention is to provide a sign support device that can save space, reduce costs and save space, can cope with guardrails of each standard size, and can be laid vertically even on an inclined land.

[0008]

According to a first aspect of the present invention, there is provided a sign support device for road works or the like, comprising an upper holding member disposed on an upper edge of a guardrail and a lower holding member disposed on a lower edge of a guardrail. Body, a bendable connecting body that connects the upper holding body and the lower holding body, and the upper holding body and the lower holding body have a pillar insertion hole that penetrates in a vertical direction on the side opposite to the connecting body of the guardrail. It is characterized by having been provided.

The sign support device for road works and the like according to claim 2 is
2. The sign support device for road works or the like according to claim 1, wherein the upper holding member and the lower holding member have a concave portion that engages with an upper edge portion or a lower edge portion of the guard rail, whereby the upper edge portion or the lower edge of the guard rail. It is characterized by being held at the edge.

In a third aspect of the present invention, there is provided a sign support device for road works or the like.
2. The sign support device for road works or the like according to claim 1, wherein the upper holder and the lower holder are held such that the guard rail is sandwiched between the connecting body and the support by inserting the support of the marker into the support insertion hole. It is characterized by being performed.

The sign support device for road works and the like according to claim 4 is
4. The sign support device for road works according to claim 1, 2 or 3, wherein the connecting member is provided with a length adjusting means.

The sign support device for road works and the like according to claim 5 is
The sign support device for road works or the like according to claim 1, 2, 3, or 4, wherein a connection position between the connecting body and the upper holding body and the lower holding body is set in a direction orthogonal to a longitudinal direction of the connecting body. The strut insertion hole is provided with a variable adjusting means, the middle abdomen of which substantially matches the outer diameter of the strut, and the diameter of the strut insertion hole is increased in the vertical direction.

[Action]

According to the first aspect of the present invention, the sign supporting device is divided into an upper holding member and a lower holding member connected by a bendable connecting member, and the upper holding member and the lower holding member are separated from each other. Each guardrail is separately arranged at the upper edge and the lower edge, and if the support is inserted from the upper side into the support insertion hole penetrated vertically on the opposite side of the guardrail, the upper holder and the lower The holder and the support of the sign board are simply attached and fixed in a form integrally joined. Also, it can be stored compactly when detached.

According to the second aspect of the present invention, the upper holder and the lower holder are provided with recesses which engage with the upper edge or the lower edge of the guardrail. The recesses securely hold the upper and lower edges of the guardrail by simple operations. Then, by inserting the column into the column insertion hole from above, the sign for road construction or the like is securely held on the guardrail in a form in which the upper holder and the lower holder are fixed and supported by the column.

According to the third aspect of the present invention, the upper holder and the lower holder engaged with the upper edge or the lower edge of the guardrail are formed by inserting the column into the column insertion hole from above.
In a form in which the guardrail is sandwiched between the upper holding body and the lower holding body and the support, a sign for road construction or the like is securely held on the guardrail.

According to the fourth aspect, since the connecting member connecting the upper and lower holding members divided into two is provided with the length adjusting means, the interval between the upper and lower holding members can be adjusted. , A single sign support device can be used for all standard dimensions of guardrails. This allows
It is sufficient to provide a minimum number of sign support devices, so that maintenance costs and manufacturing costs can be reduced.

According to the fifth aspect of the present invention, the connecting member can adjust the connection position between the upper holding member and the lower holding member in a direction orthogonal to the longitudinal direction of the connecting member, and the support insertion hole has a middle abdomen. , And the diameter is increased in the vertical direction. Accordingly, the guard rails laid on the sloped slope are moved in the longitudinal direction of the guard rails so that the vertical positions of the upper holding body and the lower holding body are vertically arranged, and the connecting body is connected to the upper holding body. The connection position with the lower holding member is moved in a direction orthogonal to the longitudinal direction of the connecting member, so that the holding member can be held at the shortest distance and securely fixed. Also, since the pillar can be aligned vertically in the upper and lower pillar insertion holes,
The signboard for road works can be set up vertically on the guardrail on the slope.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of a sign support device for road works and the like according to the present invention will be described below with reference to FIGS. First, as shown in FIGS.
Is formed by bending the strip 1A into a polygonal cross section.
It is mounted in a horizontal posture with bolts 5 between the posts 3, 3 buried on the shoulder of the road R. The guardrail 1 has a trapezoidal cross section of two upper and lower shapes.
The sign support device 10 for road works or the like is attached using the upper side surface 1B and the lower side surface 1C on the front side of the vehicle, and the upper edge portion (A) and the lower edge portion (B).

As shown in FIGS. 3, 4 and 5, the sign support device 10 for road works and the like is provided with an upper side surface 1 of the guardrail 1.
B and the upper holder 11 in contact with the upper edge (A), the lower side surface 1C of the guard rail 1 and the lower holder 13 in contact with the lower edge (B), and the upper holder 11 and the lower holder. Body 1
3 and a connecting body 15 connecting between them. The linked body 15
Is formed to be bendable. The upper holding body 11 or the lower holding body 13 is formed of a material such as plastic, and the upper surface 1B or the lower surface 1C of the guardrail 1 is provided.
Contact surface 11A or 13A contacting the upper edge portion (A)
Or, it consists of the holding plate 11B or 13B located outside the lower edge (B).

The upper holder 11 and the lower holder 13 are
The guardrail 1 includes a corner 11C or a corner 13C that engages with the upper edge (A) or the lower edge (B). As a result, the upper holding body 11 and the lower holding body 13
The guard rail 1C or the corner 13C is engaged with and held by the upper edge (A) or the lower edge (B) of the guardrail. The holding plate 11B and the holding plate 13B are provided with column insertion holes 11D and 13D that penetrate in the vertical direction on the side opposite to the connecting body 15 which is the back surface of the guard rail 1. This support insertion hole 11D,
13D is preferably formed of a material such as plastic, or a soft rubber material or the like is mounted on the surface to protect the support 17.

The upper holding body 11 and the lower holding body 13 held above and below the guardrail 1 can be inserted by inserting the support 17 of the sign board 19 between the upper and lower support insertion holes 11D and 13D from above. , Upper holder 11 and lower holder 1
In a form in which the guard rail 1 is sandwiched between the support 3 and the support 17, the support 17 to which the sign board 19 for road construction or the like is attached is held in a stable posture.

Incidentally, as shown in FIG.
1D and 13D are square holes with respect to the column 17 having a rectangular cross section so that the direction of the sign board 19 cannot be changed by external force, wind, or the like. Of course, as shown in the figure, star-shaped polygonal holes 11D 'and 13D' may be used so that they can be changed in multiple directions (in the example shown, three directions (X), (Y) and (Z)). .

As shown in FIG. 5, a connecting member 15 connecting the upper holding member 11 and the lower holding member 13 is used for a seat belt of an automobile or the like, for example, in order to be flexible and bendable. A material made of carbon fiber or nylon is used. When a material having no elasticity is used, the length L1 is set so that the dimension L between the inner surfaces of the holding plate 11B and the holding plate 13B matches the vertical width of the guard rail 1.

As the connecting member 15, various members other than those described above can be employed. For example, as shown in FIG. 6A, a string material 15A may be used. Further, as shown in FIG. 6B, a plastic thin plate material 15B integrally formed with the upper holding body 11 and the lower holding body 13 may be used to bend and bend. Further, as shown in FIG. 6C, the hard plate members 15C or the plate members 15C may be connected to the upper holding member 11 or the lower holding member 13 by the hinge 16 so as to be bendable.
As described above, the connecting body 15 may be anything that can be folded so that it can be folded compactly when not in use.

When the connecting body 15 is made of a material which does not expand and contract, the guard rail 1 is limited to a fixed one in a vertical direction. However, as shown in FIG. It can be changed to a flexible elastic body 15 '. According to this, some dimensions of the guardrail
In addition to being able to cope with the difference in shape, the tightness / retention of the upper holding body 11 and the lower holding body 13 to the guardrail 1 is improved by the shrinkage of rubber.

Further, in order to cope with various types of guardrails having different dimensions and shapes more positively, as shown in FIGS. 7 and 8, the connecting body 15 is designed so as to be able to cope with a dimensional change from the upper and lower widths Lmin to Lmax. You may change it. FIG.
(B) is such that the length of the connecting body 15 can be adjusted by a length adjusting means such as a buckle BK. The configuration of the buckle BK is the same as that used for a belt, a bag, or the like, and a detailed description of its configuration and functions will be omitted. By this means for adjusting the length of the buckle BK, the present invention can be applied to the guard rail 1 having various vertical widths Lmin to Lmax. Further, the adjusting means is provided in FIG.
As shown in (c), the length can be adjusted step by step.
A small hole (h) may be made in the connecting body 15 in the longitudinal direction, and the locking rod K of the buckle BK 'may be inserted and fixed in this hole.

The sign support device 10 for road works and the like according to the first embodiment of the present invention is configured as described above and operates as follows. As shown in FIGS. 1, 2 and 3, first, the sign support device 10 is divided into an upper holder 11 and a lower holder 13 connected by a connector 15, and the upper holder and the lower holder 11C or the corner 1 respectively formed at
3C is engaged with the upper edge (A) or the lower edge (B) of the guardrail 1.

Subsequently, the contact surfaces 11A and 13A of the upper holding member 11 and the lower holding member 13 are brought into contact with the upper side surface 1B or the lower side surface 1C of the guard rail 1, and the upper holding member 11 and the lower holding member 13 are brought into contact with each other. On the front side of the guardrail 1. In this state, the lower lower holding body 13 does not fall because it is connected to the upper holding body 11 connected by the connecting body 15.

As shown in FIGS. 3 and 4, the support rail insertion holes 11D, 13D vertically penetrated by the upper holding plate 11B and the lower holding plate 13B, which are on the side of the guard rail 1 opposite to the connecting body 15, are formed. Then, the support 17 of the sign board 19 is inserted from above. Thus, the guard rail 1 is supported between the upper holding body 11 and the lower holding body 13 and the column 17. In this case, the support is also supported at the lower end of the support to provide a three-point support. However, the support can be stably held without being grounded. As a result, the sign board 19 for road construction or the like is held in a stable vertical position on the guardrail 1.

Since the column insertion holes 11D and 13D are square holes (or polygonal holes) as shown in FIG. 4, the direction of the sign board 19 does not change due to external force, wind, or the like. Can be held in a stable vertical posture in a certain direction.

In the sign support device 10 for road construction or the like, the upper holding body 11 and the lower holding body 13 are connected to a connecting body 15 having a fixed length.
Therefore, the vertical width L of the guardrail 1 is limited to a constant value. If it is desired to apply the present invention to a guard rail 1 having a slightly different vertical width L, FIG.
As shown in the figure, the connecting body 15 is a connecting body 15 'such as an elastic rubber band.

Further, if it is desired to apply the guardrail 1 to one having a different vertical width L by one sign support device 10, the length of the connecting member 15 can be adjusted by a length adjusting means such as a buckle BK. To This allows
As shown in FIGS. 7 and 8, a guard rail 1 ′ having a small vertical width Lmin and a guard rail 1 ′ having a large vertical width Lmax are used.
Up to one sign support device 10.

The sign support device 10 according to the first embodiment of the present invention has the following effects. First, since the support insertion holes are vertically penetrated through the upper holding body and the lower holding body which are on the side opposite to the link of the guardrail, if the support of the sign board is inserted from above into the upper and lower support insertion holes, the upper holding is performed. The body, the lower holding body, and the support of the sign board are integrally connected so as to sandwich the guardrail, and are simply attached and fixed in a stable supporting form.

Further, since the support insertion holes 11D and 13D are square holes (or polygonal holes), the direction of the sign board 19 does not change due to external force, wind, etc., and the sign board 19 is stably held in a certain vertical direction. Is held. And the sign support device 10
When is not used, the upper holding body 11 and the lower holding body 13 can be folded and stored compactly, and the transportability is improved.

Further, by adopting a length adjusting means such as a buckle BK for the connecting member 15, the guard rail 1 having a small vertical width Lmin as shown in FIG. It is possible to cope with up to a guardrail 1 ′ having a wide Lmax from one sign support device 10, the sign support device 10 is easy to use, and the minimum sign support device may be prepared, so that the maintenance cost can be reduced and the same A large number of sign support devices can be manufactured, and the cost can be reduced.

The present invention is not limited to the sign support device 10 of the first embodiment. For example, as shown in FIG.
The sign support device 20 of the embodiment may be used. This is obtained by changing the shapes of the two upper holders 11 and lower holders 13 in the sign support device 10 of the first embodiment.

That is, the upper holding body 11 and the lower holding body 13 are each L-shaped, and the inner surfaces of the holding plate 11B and the holding plate 13B of the upper holding body 11 and the lower holding body 13 are connected to the upper edge (A) of the guard rail 1. And the lower edge portion (B), and the vertical surfaces 11E and 13E of the upper holder 11 and the lower holder 13 are held in contact with the vertical surfaces 1E and 1F of the guard rail 1. Other configurations are the same as those in the first embodiment.
The same reference numerals are given and the description is omitted.

In the sign support device 20 of the second embodiment, the vertical surfaces 11E and 11E of the upper holder 11 and the lower holder 13 are also used.
13E abuts against the vertical surfaces 1E and 1F of the guardrail, and the upper edge (A) and the lower edge (B) of the guardrail 1.
The inner surfaces of the upper and lower holders 11 and 13 are brought into contact with each other. The column insertion holes 11D, 13D of the upper and lower holders 11, 13 in this state.
Is inserted from above. As a result, the upper edge and the lower edge abut and are restrained on the side wall of the column 17 to hold the column. In the sign support device 20, the upper holding body 11 and the lower holding body 13 may be designed and changed from an L-shape to an arc shape.

In the sign support device 20 of the second embodiment, similarly to the sign support device 10 of the first embodiment, the upper holding member 11 and the lower holding member 1
The support 17 to which the sign board 19 for road construction or the like is attached is held in a stable vertical position so that the guard rail 1 is sandwiched between the support 3 and the support 17. In addition, the sign support device 20 of the second embodiment can be used in a guardrail 1 ′ composed of two to four pipes P, as shown in FIG. 10. In this case, it is preferable to form the recesses 11F and 13F corresponding to the pipe P in the upper holding body 11 and the lower holding body 13. Further, holes 11G and 13G may be formed in the upper holding body 11 and the lower holding body 13 on the side opposite to the connecting body, and a string body G having a hook F (or a chain) may be hung thereon. According to this, at the time of attaching the upper holding body 11 and the lower holding body 13 to the guard rail 1 ′ made of the pipe P, the upper holding body 11 and the lower holding body 13 can be held so as not to fall off, and the support 17 can be inserted. This has the effect of making it easier to do the work.

Further, the present invention provides a third method as shown in FIG.
The sign support device 30 of the embodiment may be used. The sign support device 30 of the third embodiment is different from the sign support device 10 of the first embodiment in that the upper holder 11 and the lower holder 13
Further, groove-shaped concave portions 11C 'and 13C' which can be engaged with the upper edge portion (A) and the lower edge portion (B) of the guardrail 1 are formed.

That is, the groove-shaped concave portions 11C 'and 13C' formed in the upper holding member 11 and the lower holding member 13 enter the tips of the upper edge (A) and the lower edge (B) of the guardrail, and hold the upper rail. The contact positioning between the contact surface 11A of the body 11 and the upper surface 1B of the guardrail and the contact surface 13A of the lower holding body 13 and the lower surface 1C is performed, and secure locking is performed.

The sign support device 30 of the third embodiment is
Unlike the embodiment of the type that sandwiches the guardrail,
The upper holding body 11 and the lower holding body 13 are grooved concave portions 11C ', 1
By 3C ', the state is held by the guard rail.
Then, the support insertion holes 11 of the upper holder 11 and the lower holder 13 are formed.
The sign 17 is inserted into D and 13D, and the sign board 19 for road works and the like is held in a stable vertical posture by the support between the upper holder and the lower holder and the support.

As shown in FIG. 12, the sign supported by the sign support device 30 may be any one provided with a support. For example, a T-type support 17 'capable of holding an SL sign is used. Pillar insertion holes 11D of the body 11 and the lower holding body 13,
The support 17 'is inserted into 13D to keep the SL signboard on the guardrail 1 in a stable vertical position. In this case, the lower end of the support 17 'does not have to be grounded on the ground, and stable holding is possible by engagement of the support 17 and the upper support and the lower support. As shown in FIG. 13, in the sign support device 30, the upper holder 11 and the lower holder 13
Holes 11G and 13G may be formed on the side opposite to the connecting body, and a string body G having a hook F (or a chain) may be hung thereon. According to this, at the time of attaching the upper holding body 11 and the lower holding body 13 to the guardrail 1, the upper holding body 11 and the lower holding body 13 can be held so as not to fall off, and the work of inserting the support 17 can be easily performed. There is an effect that can be done.

In the sign support device 30 of the third embodiment, the same effect as that of the sign support device 10 of the first embodiment is exerted, and the upper holder 11 and the lower holder 13 are provided.
Means that the guard rail 1 can be held more securely by engagement with the upper edge (A) and the lower edge (B). Since the upper holding body 11 and the lower holding body 13 are held by the guard rail 1 alone, the insertion of the support 17 into the support insertion holes 11D and 13D becomes easy, and the attachment of the sign plate 19 to the guard rail 1 is further facilitated. This allows efficient installation and removal of the signboard.

By the way, in the sign support devices 10, 20, and 30 of the above embodiments, the support pillar 17 on which the sign plate 19 for road works and the like is attached is stably mounted on the guardrail 1 attached to the slope where the road is inclined. Can not be maintained in a vertical position. In order to make this possible, as shown in FIG. 14, the sign support devices 10, 20, 30 of the respective embodiments described above.
May be modified like the sign support device 40 of the fourth embodiment.

That is, as shown in FIG.
5 is a long hole H such that the connection position between the upper holding body 11 and the lower holding body 13 (the position connected to the horizontal long hole) can be adjusted in a direction orthogonal to the longitudinal direction of the connecting body 15. Width H1
Is set to be longer than the width H2 of the connecting body 15. In addition, as another example, as shown in FIG.
A plurality of (three in the figure) short elongated holes H 'are made in the three engaging pieces 11G and 13G. Then, the connection position is adjusted by hooking the hook F of the connection belt 15F connected to the elongated hole H 'in the upper and lower holders 11, 13 according to the inclination angle. Further, as shown in FIG.
Is connected to the slide piece SP, and the slide piece S
P may be inserted into the long grooves 11H, 13H formed in the engagement pieces 11G, 13G of the holders 11, 13, and the connection position thereof may be adjusted.

Further, as shown in FIG.
In 1D and 13D, the mid-abdominal portion D substantially matches the outer diameter D1 of the column 17 and the diameter is increased in the vertical direction. The detailed configuration may be a vertically tapered hole as shown in FIG. 18 (a), or an arc hole having a vertically enlarged diameter as shown in FIG. 16 (b).

According to the sign support device 40 of the fourth embodiment, the connecting body 15 can adjust the connection position between the upper holding body 11 and the lower holding body 13 in a direction orthogonal to the longitudinal direction of the connecting body 15. The strut insertion holes 11D and 13D have their mid-abdominal portions D substantially aligned with the outer diameter D1 of the struts 17 and are enlarged in the vertical direction. Therefore, as shown in FIG. It is directed in any direction of (a), (b) and (c). Therefore, as shown in FIG. 14, the upper holding body 11 and the lower holding body 13 are positioned between the upper holding body 11 and the lower holding body 13 with respect to the guardrail 1 laid on an inclined slope.
In order to make the vertical position with the vertical distance of the shortest distance, move and adjust in the longitudinal direction of the guardrail. Thereafter, the support 17 is inserted into the upper and lower support insertion holes 11D and 13D,
Align that direction with the vertical. By the above operation, the sign board 19 for road construction or the like is supported at three points by the upper holding body and the lower holding body and the lower end of the support, and is held on the guard rail 1 in a vertical posture.

According to the sign support device 40 of the fourth embodiment, the following effects can be obtained. First, the same effects as those of the above embodiments can be obtained, and the sign board 19 and the support posts 17 can be installed in a vertical posture with respect to the guardrail 1 laid on a sloped road. As a result, the characters and the like on the sign board 19 on the sloping land can be easily read, which can further contribute to traffic safety.

The sign support device of the present invention can be used by changing the structure and display contents of the sign board 19 to various kinds. For example, various signs, display boards, SL signs, etc. having columns can be attached.

[0051]

According to the sign supporting device of the first aspect, the upper holding member and the lower holding member connected by the bendable connecting member are divided into two parts. The upper and lower supports can be arranged in a simple operation at the upper edge and the lower edge, and the upper support and the lower support on the opposite side of the guardrail are penetrated vertically. If the support of the marker plate is inserted into the insertion hole from above, the upper holder, the lower holder, and the support of the marker plate can be attached and fixed to the guardrail by a simple operation in a form integrally connected. Also, when disassembled, it can be stored compactly and the transport efficiency can be increased.

According to the sign support device of the present invention, since the upper holder and the lower holder are provided with the concave portions to be engaged with the upper edge or the lower edge of the guardrail, the upper holder and the lower holder are provided. Can be securely held on the upper edge or the lower edge of the guardrail by a simple operation.

According to the third aspect of the present invention, the upper holding member and the lower holding member installed on the guardrail are arranged such that the support is inserted into the support insertion hole from the upper side. Can be reliably held in the form of sandwiching.

According to the fourth aspect of the present invention, since the connecting member is provided with the length adjusting means, one guard supporting device can correspond to all standard dimensions and types of guardrails. It is only necessary to provide a minimum number of sign support devices, so that maintenance costs and manufacturing costs can be reduced.

According to the sign supporting device of the fifth aspect, the connecting body can adjust the connection position between the upper holding body and the lower holding body in a direction orthogonal to the longitudinal direction of the connecting body, and the support pillar insertion hole is formed in the middle abdomen. Since the diameter of the sign is almost the same as the outer diameter of the pillar, and the diameter is enlarged in the vertical direction, the sign can be set upright even for guardrails laid on slopes with slopes, and the sign on the sloped land Etc. can be easily read, which can further contribute to traffic safety.

[Brief description of the drawings]

FIG. 1 shows a first embodiment of the present invention and is a front view of a sign support device for road works and the like.

FIG. 2 shows the first embodiment of the present invention, and is a side view of a sign support device for road works and the like.

FIG. 3 shows the first embodiment of the present invention and is a side view of a main part of the sign support device.

FIG. 4 shows the first embodiment of the present invention and is a plan view of a main part of the sign support device.

FIG. 5 shows the first embodiment of the present invention, and is a perspective view of the appearance of the sign support device.

FIG. 6 is a perspective view showing the first embodiment of the present invention and showing a modified example of a main part of the sign support device.

FIG. 7 is a side view illustrating the operation of the sign support device according to the first embodiment of the present invention.

FIG. 8 is a side view illustrating the operation of the sign support device according to the first embodiment of the present invention.

FIG. 9 shows a second embodiment of the present invention and is a side view of a sign support device for road works and the like.

FIG. 10 is a side view of another example of use of the sign support device according to the second embodiment of the present invention.

FIG. 11 shows a third embodiment of the present invention and is a side view of a sign support device for road works and the like.

FIG. 12 shows the third embodiment of the present invention and is a side view of a modified example of a sign.

FIG. 13 shows the third embodiment of the present invention and is a side view of a modified example of the sign support device.

FIG. 14 is a side view of a sign support device according to a fourth embodiment of the present invention.

FIG. 15 is a perspective view of a sign support device according to a fourth embodiment of the present invention.

FIG. 16 shows a fourth embodiment of the present invention, and is a perspective view of a modified example of the sign support device.

FIG. 17 shows the fourth embodiment of the present invention, and is a perspective view of a modified example of the sign support device.

FIG. 18 shows a fourth embodiment of the present invention and is a cross-sectional view of a main part of a sign support device.

FIG. 19 is a side view of a sign support device for road construction and the like according to Conventional Example 1.

FIG. 20 is a side view of a sign support device for road construction or the like according to Conventional Example 2.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Guardrail 1A Strip 1B Upper side surface 1C Lower side surface 1E, 1F Vertical surface of guardrail 10, 20, 30, 40 Sign support device 11 Upper holding body 13 Lower holding body 11D, 13D Strut insertion hole 11A, 13A Contact surface 11C , 13C Corner 11C ', 13C' Recess 11E, 13E Vertical surface of holding body 11B, 13B Holding plate 11H, 13H Long groove 15 Connecting body 17 Post 19 Marking plate A Upper edge B Lower edge BK Buckle D Mid abdomen D1 Post Outer diameter H Long hole H 'Short long hole SP Slide piece

Claims (5)

[Claims] 1. An upper holder disposed on an upper edge of a guardrail, a lower holder disposed on a lower edge of a guardrail, and a bendable connection member connecting the upper holder and the lower holder. The upper holding body and the lower holding body are provided with a pillar insertion hole penetrating in a vertical direction on the side opposite to the connecting body of the guardrail, and a sign support device for road works and the like. 2. The upper holding body and the lower holding body each have a concave portion that engages with an upper edge or a lower edge of the guardrail, and is thereby held by the upper edge or the lower edge of the guardrail. The sign support device for road works or the like according to claim 1, wherein: 3. The upper holding body and the lower holding body are held by inserting a support post of a sign into a support insertion hole so that a guard rail is sandwiched between the connection body and the support post. The sign support device for road works or the like according to claim 1. 4. The sign supporting device for road works according to claim 1, wherein the connecting member is provided with a length adjusting means. 5. An adjusting means for changing a connecting position between said connecting member and said upper holding member and said lower holding member in a direction orthogonal to a longitudinal direction of said connecting member. 4. The method according to claim 1, wherein the outer diameter of the support is substantially equal to the outer diameter of the support, and the diameter of the support is increased in a vertical direction.
Or a sign support device for road works or the like according to 4.