JP3062951U - Temporary signal notice sign - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To ensure that the visibility characteristics of a driver such as a train are maintained even when used repeatedly, and to increase the speed. SOLUTION: At least one main surface 2a of a substrate 2 presenting an entire regular triangular shape has two vertices p1 to p3 sandwiched therebetween.
The three white rhombic display areas 3 arranged in a Mitsubishi pattern and the three scales arranged in a Mitsubishi pattern by being divided by three straight lines 11 to 13 parallel to the opposing sides at approximately 2/3 positions of the sides. And the three black triangular display areas 4. Each diamond-shaped display area 3 has a diamond-shaped reflection sheet material 6 in which a cube corner element 9 is sealed in a transparent plastic material 8 having a smooth surface with respect to the substrate 2.
Are joined.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a temporary signal sign that is temporarily installed in front of a construction section to provide a signal to alert a traveling train or driver of a train when performing track construction or the like.

[0002]

[Prior art]

 Railways are equipped with various railway signs and traffic signals along the lines to ensure safety, and are designed to ensure safe running of trains. For example, when track construction is performed, a temporary signal warning sign is installed in front of the construction section to notify the train or train driver running at a predetermined speed of the existence of the construction section. To perform deceleration operation. The temporary signal warning signboard ensures that the train travels at a safe speed due to the driver's deceleration operation, thereby ensuring the safety of the train and its passengers, as well as the safety of workers at the construction site. .

[0003] The extraordinary signal notice signboard is configured by attaching a notice signboard having a regular triangular shape as a whole to a pole. In addition, the temporary signal notice board has at least one main surface of the substrate divided into three white diamond display areas and a black triangle display area divided by these diamond display areas. The temporary signal warning signboard will be removed after the completion of track construction and will be used again at other construction sites.

[0004]

[Problems to be solved by the invention]

 By the way, the conventional temporary signal signboard has three diamond-shaped display areas formed by applying white fluorescent paint to the substrate, for example. It has characteristics such as low weather resistance. Therefore, the conventional extraordinary signal signboard has a problem that the display function is deteriorated due to the characteristics of the fluorescent paint during repeated use. For this reason, there has been a problem that the conventional extraordinary signal warning signboard causes the train driver to overlook it, delaying the deceleration operation and causing a serious accident.

[0005] By the way, the temporary signal notice signboard should be installed closer to the construction section if the train driver can perform deceleration operation by being surely visually recognized from a distant position. It becomes possible. The temporary signal warning signboard will shorten the deceleration section of trains, etc., thereby increasing the speed of operation. However, the conventional extraordinary signal warning signboard is installed in the construction section due to the conditions of the visible distance specification and the braking distance required for the train running at the predetermined speed to decelerate to a safe speed by deceleration operation. The position was limited.

On the other hand, each of the diamond-shaped display areas is formed by joining a diamond-shaped reflection sheet material in which a spherical lens element is sealed to a transparent plastic material having a smooth surface with respect to the substrate, as a temporary signal notice board. Has been proposed. The extraordinary signal notice signboard allows the driver of a train or the like to visually recognize it by improving reflection luminance characteristics. However, even in the case of such a temporary signal warning sign, for example, when the train is traveling at a speed of 70 km / h, the distance that can be visually recognized by the driver is about 350 m. It was still not enough to get closer.

Therefore, the present invention is to provide an extraordinary traffic signal notice board that ensures that the visibility characteristics for a train driver and the like are maintained even when the train is used repeatedly and that the speed is increased. The purpose is to provide.

[0008]

[Means for Solving the Problems]

 In order to achieve the above-described object, the temporary signal notice board according to the present invention has at least one main surface of a substrate having an entire regular triangular shape and opposing sides at approximately two-thirds of two sides of each vertex. By dividing by three straight lines parallel to the above, three white diamond-shaped display areas arranged in a Mitsubishi pattern and three black triangle display areas arranged in a tri-scale pattern are color-coded. The substrate is formed by bonding a reflective sheet material in which a cube corner element is sealed to a transparent plastic material having a smooth surface, and preferably, each rhombic display region has a smooth surface with respect to the substrate. It is constructed by joining a diamond-shaped reflective sheet material in which a cube corner element is sealed to a transparent plastic material.

[0009] According to the extraordinary signal notice signboard according to the present invention configured as described above, the reflected brightness is greatly improved, so that the driver of a train or the like can more surely see it. And allow them to be viewed from a greater distance. Therefore, the temporary signal warning sign should be used to ensure that the driver performs deceleration operation and that the train and other vehicles pass through the construction section at a safe speed and prevent a serious accident from occurring. In addition, the temporary signal notice signboard will be installed at a position closer to the construction section, thereby realizing speedup.

[0010]

[Embodiment of the invention]

 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. The extraordinary signal notice signboard 1 has the same basic structure as the conventional extraordinary signal notice signboard, and has a detailed structure on one main surface 2a of a substrate 2 having a regular triangular shape as shown in FIG. The three rhombic display areas 3 and the three triangular display areas 4 to be described later are configured to be colored white and black, respectively. The substrate 2 is formed of, for example, an iron plate or the like, and has a plurality of mounting holes 5 for mounting on a pole (not shown).

[0011] More specifically, the extraordinary signal notice signboard 1 is composed of three straight lines 11 to 13 parallel to opposing sides at approximately two-thirds of two sides of each of the vertices p1 to p3 of the board 2. The first diamond-shaped display areas 3a to 3c, which have the same shape and are arranged in a Mitsubishi pattern by being divided, and these first diamond-shaped display areas 3a to 3rd to 3rd diamond-shaped display areas 3c, three black triangular display areas 4a to 4c of the same shape arranged in a tri-scale pattern are color-coded.

Each diamond-shaped display area 3 is a diamond-shaped area in which the length of one side is 1/3 of the length of each side of the substrate 2 and the interior angle of the long side is 60 °. At the intersection, one vertex in the longitudinal direction is abutted, and the other vertex is formed by each vertex p1 to p3 of the substrate 2. Each diamond display area 3 has twice the area of each triangle display area 4. Each rhombus display area 3 is configured by bonding a reflective sheet material 6 described later in detail to the substrate 2.

Each of the triangular display areas 4 is a regular triangular area in which the length of one side is １ ／ of the length of each side of the substrate 2, and vertices are matched at intersections of the straight lines 11 to 13. Each triangular display area 4 is formed by applying, for example, a black paint on the main surface 2a of the substrate 2. Each of the triangular display areas 4 is constituted, for example, by applying a black paint to the entire surface of the main surface 2a of the substrate 2 also as a rust preventive treatment, and bonding a rhombic reflective sheet material 6 to each rhomb display area 3. It may be.

The reflection sheet material 6 is cut, for example, so that the sheet material conforms to the shape of the diamond-shaped display area 3 described above, and is bonded to the main surface 2a of the substrate 2 by an adhesive 7 as shown in FIG. Is done. The reflection sheet material 6 is configured by enclosing a polyhedral element, that is, a cube corner element 9, between plastic sheet materials 8a and 8b. The cube corner element 9 may be directly enclosed in a plastic sheet material.

As the reflection sheet material 6, specifically, a product number 980-10 white of a 980 series of Scotchlite-printed diamond-grade consvicity sheets manufactured by Sumitomo 3M Limited is used. The reflection sheet material 6 has a reflection performance of 900 Cd / lx / m2 under conditions of an observation angle of 12 'and an incident angle of 5 [deg.] Based on a measuring method based on JIS Z 9117. The reflection sheet member 6 has characteristics of a reflection luminance (observation angle 12 '/ incident angle 5 °) of 800 and a magnification of 11. Further, the reflecting sheet material 6 can be washed when the surface is soiled, and is suitable for use as a temporary signal notice notice board.

Examples of the reflective sheet material include Scotchlite-printed reflective sheet engineer grades 2200 series and 3200 series manufactured by Sumitomo 3M Limited as comparative examples. The reflective sheet material of this comparative example has a spherical lens element sealed between plastic sheet materials. The reflection sheet material of the comparative example has characteristics of a reflection luminance (observation angle 12 '/ incident angle 5 °) of 70 and a magnification of 1.

Using the above-mentioned reflecting sheet material 6 and the comparative example reflecting sheet material, the extraordinary traffic signal notice signboard 1 and the comparative extraordinary traffic signal notice signboard were manufactured and measured, and the following results were obtained. was gotten. The area of the reflection sheet material 6 and the area of the reflection sheet material of the comparative example were both 0.063 m2, which was the same. In addition, the visible distance was measured as a visible distance from a train running at 70 km / h.

A. Temporary signal notice signboard 1 Reflected luminance (Cd / lux) 42 Viewing distance (m) 1000 b. Comparative Example Temporary Traffic Signal Notice Signboard Reflected Luminance (Cd / lux) 4.9 Viewing Distance (m) 350

As is clear from the above-described measurement results, the extraordinary signal notice signboard 1 has a diamond-shaped display area 3 formed by the reflective sheet material 6, so that the reflection luminance is lower than that of the comparative example extraordinary signal notice signboard. The characteristics are improved by about 10 times and the viewing distance by about 3 times. Since the extraordinary signal notice signboard 1 is conspicuous by having a sufficient reflection luminance, the driver of a train or the like can surely be seen without being overlooked. Therefore, the temporary signal notice board 1 should be used to ensure that the driver is informed that track construction is being performed ahead of time and to perform deceleration operations, so that trains etc. pass through the construction section at a safe speed. To prevent the occurrence of serious accidents.

Further, since the temporary signal notice board 1 can be visually recognized at a distance of 1000 m, even if it is installed at a position closer to the construction section, it is located farther away from a driver such as a train, and a track is provided at the front. It is possible to reliably notify that construction is being performed. Therefore, the temporary traffic signal notice signboard 1 can shorten the deceleration section of trains and the like so that the speed of operation of trains and the like can be increased.

The temporary signal notice board 1 can be replaced with a reflective sheet material 6 on the substrate 2. Therefore, even if the reflective luminance characteristic and the viewing distance characteristic of the reflective sheet material 6 have deteriorated due to long-term use, the temporary signal notice signboard 1 retains the predetermined characteristics by replacing only the reflective sheet material 6. It is possible. Temporary traffic light The notice board 1 improves cost efficiency by allowing the pole and the board 2 to be used as they are.

[0022]

[Effect of the invention]

 As described in detail above, according to the extraordinary signal notice signboard according to the present invention, a rhombic reflection sheet material in which a cube corner element is sealed in a transparent plastic material having a smooth surface with respect to the substrate. By forming a diamond-shaped display area by joining the elements, the reflection brightness is greatly improved by the action of the cube corner element, so that the driver of a train or the like can more surely visually recognize the area, and It will also be possible to see from there. Therefore, the temporary signal warning signboard ensures that the driver can perform deceleration operation reliably and that the train etc. can pass through the construction section at a safe speed to prevent a serious accident from occurring. By enabling installation at a position closer to this, speeding up can be realized.

[Brief description of the drawings]

FIG. 1 is an enlarged front view of a part of an extraordinary signal notice signboard shown as an embodiment of the present invention.

FIG. 2 is a vertical sectional view of a main part of the temporary signal notice signboard.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Temporary signal notice signboard 2 Substrate 3 Diamond display area 4 Triangle display area 5 Mounting hole 6 Reflective sheet material 7 Adhesive 8 Plastic sheet material 9 Cube corner element

Claims (2)

[Utility model registration claims] At least one main surface of a substrate having an entire regular triangular shape is divided by three straight lines parallel to opposing sides at approximately 2/3 positions of two sides sandwiching each vertex. The three substrates are color-coded into three white diamond-shaped display areas arranged in a Mitsubishi pattern and three black triangle display areas arranged in a tri-scale pattern, and the substrate has a transparent plastic having a smooth surface. An extraordinary signal notice board, comprising a reflective sheet material in which a cube corner element is sealed in a material. 2. At least one principal surface of a substrate having an entire regular triangular shape is divided by three straight lines parallel to opposing sides at approximately 2/3 positions of two sides sandwiching each vertex. The three diamond-shaped display areas arranged in a Mitsubishi pattern and three black triangle display areas arranged in a tri-scale pattern are color-coded, and each of the diamond-shaped display areas is
An extraordinary traffic signal notice board, wherein a rhombic reflection sheet material in which a cube corner element is sealed is bonded to a transparent plastic material having a smooth surface with respect to a substrate.