JP3143606B2 - Laying boards for temporary roads - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a laying plate for a temporary road which is laid on a soft ground or a landfill site to allow construction vehicles to pass therethrough.

[0002]

2. Description of the Related Art In a conventional temporary road laying plate, a plurality of rectangular steel pipes are arranged in parallel and close contact with each other, and a steel material made of an angle is welded to both longitudinal ends of each rectangular steel pipe. Was formed. Also, U-shaped locking members are attached to the outer surfaces of both ends of each steel material, and when laying a plurality of temporary road laying plates, a gate-shaped locking device is attached to each locking member of the adjacent laying plate. Laying boards were inserted to connect the laying boards.

[0003]

However, this conventional temporary road laying plate has a very heavy weight (100 kg to 120 kg), so that it is difficult to handle such as loading and unloading on a vehicle. Laying work by hand was hard work for workers as well as difficult. This also contributed to the high construction costs. In addition, when a large vehicle for construction travels, a loud metal noise (shock sound) is generated, which causes noise, and there is a problem that the connecting fittings are immediately lost when laying or removing the laying board. .

Accordingly, an object of the present invention is to provide a laying plate for a temporary road, which is light in weight and high in strength, and can be laid easily and quickly.

[0005]

In order to achieve the above object, a temporary road laying plate according to the present invention has a length in plan view.
Rectangular with a short side portion of the long side portion and the length L ₁ of the dimension L ₃
A temporary road laying plate formed by symmetrically combining two upper and lower plastic plate members in a sealed shape ;
Ribs are formed in each recess provided on the mating surface side of the two plate members
And at the same time, the ribs are
Hiding inside the recess; length L of the long side portion
_3, is set to a multiple of the length L ₁ of the short side portion
And a convex engagement portion is provided on one side of the short side portion.
A concave engagement portion is provided on the other side; one side of the long side portion
Are provided with a plurality of convex engagement portions, and a plurality of
Concave engaging portions are provided; the convex engaging portions are rounded convex portions.
Having a curved surface, wherein the concave engaging portion is a circle corresponding to the convex engaging portion.
It has a concave curved surface; a long connecting member such as a connecting pipe, a rope, a wire, a chain or a bar is inserted along the opposite parallel short side to connect a large number of laying plates to each other. Communicating
A connecting hole is formed for connecting and integrating .

[0006]

1 and 2 show an embodiment of a temporary road laying plate according to the present invention. The temporary road laying plate 1 has convex and concave engaging portions 4,. Are formed, and connection holes 6, 6 are formed at least along two opposing parallel sides.

More specifically, the laying plate 1 has parallel long sides 2 and 2 opposed to each other and parallel short sides 3 and 3 opposed to each other. (4 in the example)
Are provided at a predetermined pitch, and on the other side, the same number of the concave engaging portions 5 as the above-mentioned convex engaging portions 4 are provided at a predetermined pitch. In addition, one convex engaging portion 4 is provided on one side of the short sides 3, 3, and one concave engaging portion 5 is provided on the other side. The convex engaging portion 4 has a rounded convex curved surface, and the concave engaging portion 5 has a convex engaging portion 4.
Has a rounded concave curved surface corresponding to.

More specifically, the laying plate 1 is provided with a convex engaging portion 4 and a concave engaging portion 5 at an intermediate position between the short sides 3 and 3 having the length L ₁ . In other words, the length L ₂ from the center to the corners 12 of the projecting engaging portions 4 (or凹係engaging portion 5) of the short side portion 3 is _{L 2 = L 1 × 1/} 2. In addition, the long side 2
The length L ₃ is set to (number multiple of Totsugakarigo portion 4 or凹係engagement part 5) multiple of the length L ₁ of the short sides 3, the convex engaging portion 4 ... (or each凹係engagement part 5 ...) are provided in the length (predetermined pitch) L _1. Thus, the plurality of laying plates 1 can be laid vertically and horizontally by mutually engaging the convex and concave engaging portions 4, 5.

The connection holes 6 and 6 are provided with short side portions 3 and 3 respectively.
It is provided along. That is, one connecting hole 6 extends from one side of the long side 2 to the other side of the long side 2 via the concave engaging portion 5 of the short side 3, and the other connecting hole 6 is The short side portion 3 extends through the convex engagement portion 4. This connection hole 6,
A long connecting member such as a connecting pipe (described later), a rope, a wire, a chain, or a bar is inserted into 6.

As shown in FIGS. 2 and 3 (when the laying plate 1 is open), the laying plate 1 is made of a plastic (for example, polypropylene) two upper and lower (half-split) plates.
The plate members 1a and 1b are united symmetrically. The upper plate member 1a has an upper wall 13 and an outer peripheral wall 10, and the lower plate member 1b has a bottom wall 14 and an outer peripheral wall 10. Also,
Each of the plate members 1a, 1b has a recess 7, 7 opened on the mating surface 9, 9 side, and a grid-like rib 8, 8 is formed in the recess 7, 7.

Reference numerals 4a and 4b denote a half-shaped convex engaging portion and a concave engaging portion, and 6a denotes a concave groove for forming the connecting hole 6. It should be noted that the ribs formed in the recesses 7 of the upper plate member 1a shown by phantom lines in FIG. 3 are not shown.

The two plastic plate members 1a, 1
b, the outer peripheral walls 1 of the upper and lower plate members 1a, 1b
The upper and lower edges of the ribs 0, 10 and the upper and lower edges of the ribs 8, 8 are welded (or adhered) to each other as mating surfaces 9, 9. Thereby, a hollow laying plate 1 is formed. At this time, the ribs 8, 8 of the upper and lower plate portions 1a, 1b are hidden inside the recesses 7, 7 of the laying plate 1 and cannot be seen from the outside, and the inside of the laying plate 1 is sealed and water from the outside is formed. And intrusion of mud is prevented.

FIG. 4 shows a use state in which laying boards 1 are laid on a road on soft ground. In this case, the two laying plates 1 and 1 are arranged in the width direction (the direction of arrow A), and the convex engaging portions 4 and the concave engaging portions 5 of the adjacent short sides 3 and 3 are engaged with each other. (Or the concave engaging portions 5 of the long sides 2 of the two laying plates 1, 1) (or the concave engaging portions 5) of the other laying plates 1, 1 (or the convex engaging portions 4). ..) Are engaged, and the laying plates 1 are sequentially arranged in the laying direction (the direction of the arrow B) and assembled.

At this time, the connecting holes 6 of the laying plates 1 are arranged in the laying direction (the direction of the arrow B), and the connecting holes 6, 6 of the adjacent laying plates 1, 1 are in communication. Then, for example, a long connecting member 11 such as a connecting pipe (used on site), a rod, a rope, a wire, a chain, or the like is inserted into the connecting holes 6 arranged in a communicating manner, and is laid. Are connected and integrated with each other. This can prevent separation and spreading in the width direction (the direction of arrow A) of the laying boards 1 that occur when a large vehicle passes, and also prevent jumping of the laying boards 1. In addition, the number of the laying boards 1 arranged in the width direction increases or decreases according to the width of the road.

The laying plate 1 has a long side 2 of, for example, about 1.5 m in length and a light weight of about 30 kg, so that loading, unloading and laying on a vehicle are performed manually. It can be done easily and quickly. In addition, the long connecting member 11 is convenient because the one used in the field can be diverted, and there is no danger of loss since no small connecting parts are used (as in the conventional case).

Next, FIG. 5 shows a state in which the laying plates 1 are laid in a cross shape. In this case, each of the laying plates 1..., The long side portions 2... The convex engaging portions 4 of the short side portions 3 (or the concave engaging portions 5) and the concave engaging portions 5 of the long side portion 2 of the laying plate 1 adjacent thereto (or the convex engaging portions 4) ) Are engaged with each other, are combined in a cross shape as a whole, and each laying plate 1 is connected by the long connecting members 11.
... they are interconnected. At this time, by using a flexible connecting member 11 such as a wire, a rope or a chain, the connecting member 11 can be bent to connect the laying plates 1.

FIGS. 6 and 7 show a state in which the laying plates 1 are laid on the curved road. In the case shown in FIG. 6, the curve corresponding portions C of the laid laying plates 1 are formed by connecting the convex engaging portions 4 and the concave engaging portions 5 of the long sides 2, 2 of the adjacent laying plates 1, 1. And one or more are shifted and engaged. The straight portions S of the laying plates 1 laid by the flexible long connecting members 11 are connected to the curve corresponding portions C. In the example shown in FIG. 6 (FIG. 6), in the curve corresponding portion C,
Although the laying boards 1 are shifted one by one, a plurality of sheets (for example, three or four sheets) can be shifted together to cope with a gentle curve (see FIG. 7).

In the case shown in FIG. 7, one or more of the concave engaging portions 5 (or the convex engaging portions 4) of the long sides 2 of the linear portions S of the laid boards 1 are arranged. A plurality of shifted engagement portions 4 of the short sides 3 of the other laying plates 1 (or recessed engagement portions 5).
Are sequentially engaged while shifting the short sides 3... Of the laying plates 1... To form a curve corresponding portion C.

However, since the convex engaging portion 4 and the concave engaging portion 5 have round shapes, they can engage with each other due to the roundness even when traveling on the laying plate 1 on which a heavy heavy vehicle is laid. The stress concentration of the convex and concave engaging portions 4 and 5 is alleviated to prevent breakage. Further, since the engaged concave and convex engaging portions 4 and 5 have a slight gap therebetween, the laying plates 1 can be laid on the sloped surface.

The present invention is not limited to the above-described embodiment. For example, a plurality of anti-slip projections may be provided on the upper surface of the laying plate 1. Further, since the laying plate 1 is made of plastic, coloring can be freely performed.

[0021]

Since the present invention is configured as described above, the following effects can be obtained.

Since the laying plate 1 is made of plastic, it is lightweight, and can be easily and quickly manually loaded and unloaded and laid. That is, the handling is easy and the labor of the worker is reduced. In addition, the laying boards 1 are arranged and laid so as to correspond not only to a straight laid ground, but also to a curve or a crossroad, by the uneven engagement portions 4, 5, provided on the laying board 1. Can be.

The connecting holes 6 of the laid boards 1 are also provided.
To I by the linking the laying plate 1 ... each other by inserting the elongated connecting members 11 ..., even if large-sized vehicles traveling can be reliably prevented laying plate 1 ... of dance and spread. Further, the long connecting member 11 is convenient because the connecting pipe, the bar, the rope, the wire, the chain or the like used in the field can be diverted, and is not lost as in the case of the small connecting tool.

The ribs 8 increase the strength of the laying plate 1, and can sufficiently withstand heavy heavy vehicles such as bulldozers, crane trucks, and dump trucks. Further, the laying plate 1 formed by combining the upper and lower two plate members 1a and 1b is easy to clean without water or mud penetrating into the inside, and the ribs 8 are provided.
Are not visible from the outside, so that the appearance is good and the ribs 8 are not damaged by an external impact.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of a temporary road laying plate of the present invention.

FIG. 2 is a partially broken side view of a laying plate.

FIG. 3 is an explanatory view showing two plate members.

FIG. 4 is an explanatory view showing a use state of a laying plate.

FIG. 5 is an explanatory diagram showing a state of being laid in a cross shape.

FIG. 6 is an explanatory view showing a state in which the cables are laid in a curve.

FIG. 7 is an explanatory view showing another state of laying in a curved shape.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Laying board 1a Plate member 1b Plate member 4 Convex engaging part 5 Concave engaging part 6 Connecting hole 7 Concave part 8 Rib 9 Fitting surface 11 Long connecting member

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Mamoru Doi 3-3-22 Nakanoshima, Kita-ku, Osaka-shi Within Kansai Electric Power Co., Inc. (72) Tokio Sakamoto 3-2-22-2 Nakanoshima, Kita-ku, Osaka-Kansai Electric Power Inside (72) Inventor Koichi Odaka 3-3-22 Nakanoshima, Kita-ku, Osaka-shi Within Kansai Electric Power Co., Inc. (72) Inventor Kenji Matsuba 3-2-22-2 Nakanoshima, Kita-ku, Osaka-Kansai Electric Power Co., Inc. (72) Inventor Masaru Hayashi 3-7-7 Chisen, Nishiyodogawa-ku, Osaka City Inside Ryosei Densetsu Co., Ltd. (72) Inventor Noriji Sekido 851, Aichi-cho, Ena-gun, Gifu Prefecture (56) Reference JP-A-59-170301 (JP, A) JP-A-8-284383 (JP, A) JP-A-1- 287302 (JP A) JitsuHiraku Akira 62-66904 (JP, U) (58 ) investigated the field (Int.Cl. ^7, DB name) E01C 9/08 E01C 5/20

Claims (1)

(57) [Claims] 1. A plan view length long side portion 2 and a length dimension L ₃
Rectangular upper and lower sheets of plastic plate member 1a and a short side portion 3 of the dimension L _1, a 1b, a temporary road for laying plate comprising coalescing symmetrically sealingly, two vertical plates Provided on the mating surfaces 9 and 9 of the members 1a and 1b.
Ribs 8, 8 are formed in each of the recesses 7, 7,
With the plate members 1a, 1b united, the ribs 8, 8 are
The length L ₃ of the long side 2 is the length of the short side _{3 while} being hidden inside the recesses 7, 7.
It is set to be a multiple of the modulus L ₁ , and when the convex engagement portion 4 is provided on one side of the short sides 3, 3.
In both cases , a concave engaging portion 5 is provided on the other side, and a plurality of convex engaging portions 4 are provided on one side of the long sides 2, 2.
And a plurality of concave engaging portions 5 are provided on the other side.
Is, the convex engaging portion 4 has a convex surface with a rounded, the凹係if
The portion 5 has a round concave surface corresponding to the convex engagement portion 4.
And a long connecting member such as a connecting pipe, a rope, a wire, a chain, a bar, etc., along the opposed parallel short sides 3,3.
A laying plate for a temporary road, characterized in that connecting holes 6, 6 for inserting and integrating a plurality of laying plates with each other through the insertion of 11, 11 are formed.