JP2006125135A - Temporary installation apparatus for road sign - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a durable temporary installation apparatus of a simple structure for road signs capable of stably supporting road sings. <P>SOLUTION: The temporary installation apparatus 1 is provided with a strut material 2; a receiving member 3; a clamp member 4; a first holding member 5; and a second holding member 6. The strut material 2 in a state fastened to the outside of a guardrail 21 is in contact with the outside surface of a bent part 23 and vertically extended. A pole P of a road sign is vertically inserted in the receiving member 3 fastened to a lower part of the strut material 2, and the clamp member 4 fastened to its upper part holds the pole P. The first holding member 5 is fixed to the strut material 2 with bolts 7 in such a way that its vertical position can be changed and has a holding piece 5b inclined and extended along the inside surface of a lower edge part of the guardrail 21. A screw shaft 2a of the strut material 2 is inserted through the second holding member 6 to constitute the the second holding member 6 in such a way that its vertical position can be changed by a nut 8, and the second holding member 6 has a holding piece 6b inclined and extended along the inside surface of an upper edge part of the guardrail 21. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an apparatus for temporarily supporting a sign on a guardrail during construction of a road-related facility.

A device described in Patent Document 1 is known as a temporary device for temporarily supporting a road sign on a guardrail along a road for a predetermined period. In this apparatus, a pair of L-shaped connecting members are attached to the upper and lower sides of a cylindrical support member so as to be extendable in the vertical direction. Both connecting members have hooking portions that are bent and face each other vertically. A latching recess capable of latching the upper edge and the lower edge of the guard rail is formed on the opposing surface of the latching part. A clamp capable of winding a marker pole is provided at a position opposite to the connecting members. The support member is provided with a tightening member such as a toggle fastener having a handle and a connecting ring. With the hooking parts of both connecting members hooked on the upper and lower edges of the guard rail, the hooking part of one of the connecting members is hooked with the connecting ring of the tightening member. The member can be fixed to the side surface of the guardrail.
JP-A-6-180005

In the conventional road sign temporary device described above, the support member is structured to be locked to the guard rail only at the two upper and lower positions. Therefore, the support load of the sign is concentrated at two points, and stable support is obtained. In addition, there is a drawback that it is fragile due to impact or repeated stress.
An object of the present invention is to provide a road sign temporary device that is simple in structure, can support a sign stably, and is robust.

The temporary device of the present invention is formed with a plurality of guard rails 21 and 31 having a specific shape, that is, bent portions 22, 23, 32, and 33 having a substantially isosceles trapezoidal shape that protrude alternately on the front and back in the vertical direction, The upper and lower end edges 24, 25, 34, and 35 are limitedly installed on guard rails 21 and 31 that are installed on the side edges of the road so as to incline and extend outward and downward with respect to the road, respectively. The support member 2, the receiving member 3 and the clamp member 4 fixed to the support member, the first holding member 5 and the second holding member for locking the support member 2 to the upper and lower edges of the guard rails 21 and 31. 6 is provided. The strut member 2 has a threaded rod 2a extending vertically at one end, and in the fixed state to the outside of the guard rails 21, 31, an inner surface is formed on the outer surface of the bent portions 23, 33 outside the guard rails 21, 31. Are in contact with each other and extend vertically with respect to the guard rails 21 and 31. A receiving member 3 through which a road sign pole P can be inserted vertically is fixed to the lower outer surface side of the column member 2. An openable and closable clamp member 4 that can vertically hold the pole P of the road sign is fixed to the upper outer surface side of the column member 2. The first clamping member 5 is fixed to the other end of the column member 2 so that the vertical position can be changed by a bolt 7, and is inclined toward the guard rail along the inner side surface of the lower edge or upper edge of the guard rails 21 and 31. And it has the clamping piece 5b extended. The 2nd clamping member 6 is comprised so that the screw rod 2a of the support | pillar material 2 may be penetrated, and the vertical position with respect to the screw rod 2a can be changed with the nut 8, and it follows the upper edge part of the guard rails 21 and 31 or a lower collar part inner surface. In this way, the holding piece 6b is inclined and extended toward the guard rail. It is possible to adopt a structure in which the screw rod 2a of the support material 2 is vertically extended downward and the upper and lower sides of the first clamping member 5 and the second clamping member 6 are switched.
Further, for example, the lower part and the upper part of the support material 2 are located away from the upper edges 24 and 34 and the lower edges 25 and 35 of the guard rails 21 and 31 in the fixed state to the outside of the guard rails 21 and 31, By tightening the guard rails 21, 31 in the vertical direction by the inclined clamping pieces 5 b, 6 b of the first clamping member 5 and the second clamping member 6, the inner side surface of the intermediate portion of the column material 2 is bent at the guard rail bent portions 23, 33. It is possible to be vertically supported by being in pressure contact with the outer surface.
Moreover, the contact part with the guard rail inner surface in the clamping pieces 5b and 6b which the 1st clamping member 5 and the 2nd clamping member 6 inclined can be covered with the elastic members 5c and 6c.

  In this invention, in the state where the support material is fixed to the outer side of the guard rail, the inner surface abuts on the outer side surface of the bent portion on the outer side of the guard rail and extends vertically with respect to the guard rail. Can be stably supported on the guardrail, and stress is not concentrated, so it is hard to break and can withstand long-term use.

  Embodiments of the present invention will be described with reference to the drawings. 1 is a perspective view showing a use state of the temporary device of the present invention, FIG. 2 is a side view showing the use state of the temporary device of the present invention for a wide guard rail, and FIG. 3 is a side view showing a use state for a narrow guard rail. is there.

  The temporary device 1 according to the present invention is applied to a guard rail 21 having a specific shape as shown in the figure. That is, the guardrail 21 has a shape in which the bent portions 22 and 23 having a substantially isosceles trapezoidal vertical cross section are formed so that the top and bottom are alternately protruded three on the front and two on the back. 24 and 25 are respectively installed on the side edges of the road so as to incline and extend outward and downward with respect to the road.

  The temporary device 1 includes a support member 2, a receiving member 3 and a clamp member 4 fixed to the support member, and a first holding member 5 and a second holding member 6 that lock the support member 2 to the upper and lower edges of the guard rail 21. .

  The strut material 2 is made of a vertically long steel material having a U-shaped cross section like a channel steel material. A threaded rod 2 a is vertically extended at the upper end of the support material 2. In the fixed state to the outer side of the guard rail 21 (outward direction of the road in the installed state), the support material 2 is in contact with the outer side surface of the bent portion 23 on the outer side of the guard rail so that the inner side surface is perpendicular to the guard rail 21. It is a structure that extends.

  The receiving member 3 through which the pole P of the road sign can be inserted vertically is fixed to the lower outer surface side of the support member 2 via the bracket 3a. An openable / closable clamp member 4 capable of vertically gripping a road sign pole is fixed to the upper outer surface side of the support member via a bracket 4a.

  The first clamping member 5 includes a bracket 5a and a clamping piece 5b. The channel-type bracket 5a is fitted to the lower outer side of the support member 2, and is fixed to the support member 2 so that the vertical position can be changed by a bolt 7. The sandwiching piece 5b extends inclining upward toward the guard rail 21 so as to follow the inner side (inward direction of the road in the installed state) of the lower edge portion 25 of the guard rail 21.

  The second clamping member 6 includes a bolt receiving member 6a and a clamping piece 6b. The bolt receiving member 6a is configured such that the threaded rod 2a of the support material is vertically penetrated and the vertical position relative to the threaded rod 2a can be changed by the nut 8. The sandwiching piece 6b is inclined and extended downward toward the guard rail 21 along the inner slope of the upper edge 24 of the guard rail.

  When the temporary device 1 is attached to the guard rail 21, the position is selected downward, and the clamping piece 6 b of the first clamping member 5 that is fixed to the support material in advance is hooked on the lower edge 25 of the guard rail 21 from the outside. Then, the 2nd clamping member 6 is inserted in the screw rod 2a, and the clamping piece 6b is hooked on the lower edge part 24 of the guardrail 21 from the outside. Next, a nut is screwed onto the screw rod 2 a and tightened, the second holding member 6 is relatively lowered, and the guard rail 21 is fastened in the vertical direction between the first holding member 5. In the clamping home, the sandwiching pieces 5b and 6b draw the column material 2 toward the guard rail 21 while sliding the inner slopes of the upper and lower edges 24 and 25 of the guard rail 21 upward or downward, so that the outside of the outer bent portion 23 is removed. Adhere to the side. The upper part and the lower part of the support material 2 are separated outward from the upper and lower end edges of the guard rail 21. In this state, the attachment of the temporary device 1 to the guard rail 21 is completed.

  The temporary device is clamped to the upper and lower edges of the guard rail 21 by the second clamping member 6 and the first clamping member 5 at the upper and lower sides thereof, and is pressed against the outer surface of the outer bent portion 23 of the guard rail 21 at an intermediate portion thereof. It is firmly supported by the guardrail 21 and can stably support the sign.

  The contact portions of the inclined clamping pieces 5b, 6b of the first clamping member 5 and the second clamping member 6 with the guard rail 21 are covered with the elastic members 5c, 6c, thereby preventing the guard rail from being damaged during installation.

  FIG. 3 shows a state in which the temporary device 1 is attached to the narrow guard rail 31. The guard rail 31 has a shape in which the bent portions 32 and 33 having a substantially isosceles trapezoidal vertical cross section are formed so that two in the top and bottom are alternately projected on the front and one on the back. Similarly, the upper and lower end edges 34 and 35 are installed at the side edges of the road so as to extend outwardly and upwardly downward with respect to the road. The first clamping member 5 of the temporary device 1 is fixed to the column material 2 with bolts 7 with the position selected upward. The attachment method is the same as in the case of a wide guardrail.

  The strut material 2 is made of a vertically long steel material having a U-shaped cross section like a channel steel material. A threaded rod 2 a is vertically extended at the upper end of the support material 2. In the fixed state to the outer side of the guard rail 21 (outward direction of the road in the installed state), the support material 2 is in contact with the outer side surface of the bent portion 23 on the outer side of the guard rail so that the inner side surface is perpendicular to the guard rail 21. It is a structure that extends.

  In addition, as shown in FIG. 4, it can be set as the structure which makes the screw rod 2a of the support | pillar material 2 extend perpendicularly | vertically below, and the structure which replaces the upper and lower sides of the 1st clamping member 5 and the 2nd clamping member 6 is employable.

  The present invention is used as a temporary device for temporarily installing a sign supported on a guardrail during road construction, for example.

It is a perspective view which shows the use condition to the wide guardrail of a temporary installation apparatus. It is a side view which shows the use condition to the wide guardrail of a temporary installation apparatus. It is a side view which shows the use condition to the narrow guard rail of a temporary installation apparatus. It is a side view which shows the use condition to the guardrail of the temporary apparatus of other embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Temporary apparatus 2 Support | pillar material 2a Screw rod 3 Receiving member 3a Bracket 4 Clamping member 4a Bracket 5 1st clamping member 5a Bracket 5b Holding piece 5c Elastic member 6 2nd holding member 6a Bolt receiving member 6b Holding piece 6c Elastic member 7 Bolt 8 Nut 21 Guard rail 22 Bending part 23 Bending part 24 End edge 25 End edge 31 Guard rail 32 Bending part 33 Bending part 34 End edge 35 End edge

Claims (3)

A plurality of bent portions having a substantially isosceles trapezoidal shape in vertical section are formed so as to alternately protrude on the front and back in the vertical direction, and the upper and lower edges extend so as to incline outward and upward and downward, respectively, with respect to the road. A temporary device for vertically supporting a pole of a road sign on a guardrail installed on a side edge of a road,
When the guard rail is fixed to the outside, the inner surface is in contact with the outer surface of at least one bent portion that bulges to the outside of the guard rail and extends vertically with respect to the guard rail, and the screw rod extends vertically at one end. With the strut material taken out,
A receiving member that is fixed to the lower outer surface side of the support material, and that allows a pole of a road sign to be inserted vertically,
An openable and closable clamp member that is fixed to the upper outer surface side of the support material and can vertically grip the pole of the road sign facing the receiving member vertically.
A clamping piece that is fixed to the other end portion of the column material by a bolt so that the vertical position can be changed, and that extends obliquely toward the guard rail side along the inner surface of the lower edge or upper edge of the guard rail. A first clamping member having
A clamp that allows the threaded rod of the support material to pass through and can be changed in the vertical position relative to the threaded rod with a nut, and is inclined and extended toward the guardrail along the inner surface of the upper or lower edge of the guardrail. A temporary signage device for a road sign comprising a second clamping member having a piece.   In the state where the guard rail is fixed to the outside, the lower and upper portions of the support member are located away from the upper and lower edges of the guard rail, and the guard rail is formed by the inclined holding pieces of the second holding member and the first holding member. The inner surface of the intermediate portion of the support material is pressed and supported vertically by the outer surface of at least one bent portion that bulges outward from the guard rail by tightening in the vertical direction. Temporary equipment of the described road sign.   3. The road sign temporary device according to claim 1, wherein a contact portion between the second clamping member and an inclined clamping piece of the first clamping member is covered with an elastic member. 4. .

Images