JP3464528B2 - Laying method of rugs such as artificial turf - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of laying a rug such as artificial grass.

[0002]

2. Description of the Related Art In indoor stadiums, gymnasiums, multipurpose halls, etc., it is required to lay or remove rugs such as artificial turf according to the content of competitions and events. For example, when laying artificial turf, the artificial turf is formed into a strip-shaped artificial turf piece having a width of several meters, the artificial turf piece is wound around a roll, and the artificial turf is wound around the roll by a forklift or the like during laying. A certain number of grass pieces are carried into a laying place and sequentially unfolded so that artificial grass is laid in a required area at the laying place.

[0003]

By the way, by forming a long roll around which the artificial grass pieces are wound and winding a plurality of artificial grass pieces around this roll, the plurality of artificial grass pieces can be unfolded once. Since it can be laid, the laying time can be shortened, but when wrapping multiple artificial grass pieces on one roll, it is necessary to wind them so that the artificial grass pieces do not overlap in the axial direction of the roll. There is. In order to wind the artificial turf pieces in this way, a plurality of artificial turf pieces may be wound with a slight gap in the axial direction of the roll, but the plurality of artificial turf pieces laid in the laying place may be used for competition or the like. Since it is necessary to bond them to each other in order to prevent the artificial grass from rolling up, when winding the artificial grass pieces around a roll with a gap, after unwinding and deploying the artificial grass pieces, the artificial grass pieces are put together. There is a problem that it takes time and effort to bring them into close contact with each other and join them.

When a plurality of artificial turf pieces are unrolled and unfolded to join them, it is necessary to align the artificial turf pieces with each other in the longitudinal direction. There is a problem that the operator is considerably burdened and the artificial grass piece is likely to be wrinkled.

The present invention has been made in view of the above circumstances, and a plurality of artificial turf pieces (rug pieces) can be easily and reliably wound around a core material, and the wound rug pieces can be used as core material. An object of the present invention is to provide a method of laying a rug such as an artificial turf, which allows the rug pieces to be laid at a laying place by aligning the rug pieces in the longitudinal direction without leaving a gap in the axial direction.

[0006]

In order to achieve the above object, a method of laying a rug such as artificial turf according to claim 1 of the present invention comprises:
A rug such as artificial turf is formed by joining a plurality of strip-shaped rug pieces by a joining member formed on the longitudinal edge of the rug piece, and the rug is used as a core material in the longitudinal direction of the rug piece. winding, when laid while unwinding the wrapped rug installation site, at both ends of the core
Each was equipped with a trolley and was installed in front of or behind it
Measure the distance between both trolleys with a laser length measuring device,
Each truck is the same from the measurement signal of the laser measuring device
Adjust the traveling speeds of both trucks so that
It is characterized by controlling.

According to the method of laying a rug such as artificial turf of claim 2,
In Claim 1, the said joining member is formed by extending in the longitudinal direction of the said rug piece at the back surface edge part of the rug piece.

[0008]

In the method of laying a rug such as artificial turf according to claim 1, the plurality of strip-shaped rug pieces are joined to each other by joining members which are formed at the edges in the longitudinal direction of the rug so that the turf can be separated. By forming the rug and winding the rug around the core material in the longitudinal direction of the rug piece, the rug pieces are joined to each other by a joining member and integrated in advance before laying. With this arrangement, a plurality of rug pieces are aligned in the longitudinal direction and wound around the core material, and when the rug pieces are unwound from the core material, the rug pieces are densely laid without leaving a gap.

In the method of laying a rug such as artificial turf according to claim 2, the joining member is formed at the back edge of the rug piece so as to extend in the longitudinal direction of the rug piece. The strip-shaped rug pieces are joined together without a gap, and the joint portion is prevented from being exposed on the rug surface.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the method for laying a rug such as artificial grass of the present invention will be described below with reference to the drawings. First, before explaining the laying method of the present embodiment, the laying apparatus S used for carrying out this method will be briefly described. That is, in FIGS. 1 and 2, reference numeral 1 is a drum (core material) around which the artificial grass 2 is wound in a roll shape, and carts 3 are provided at both ends thereof. The trolley 3 is provided with a driving wheel 3a and a driven wheel 3b in the front and rear, and the driving wheel 3a is adapted to be driven at a low speed by receiving a rotational force from the driving unit 4 for traveling.
A self-aligning ball bearing block 6 that supports the rotating shaft 5 of the drum 1 is provided on the carriage 3.

As shown in FIG. 2, the drum 1 is formed by arranging a large number of cylindrical members 1a coaxially and connecting them by connecting bolts 7. These cylindrical members 1a are integrally supported by a rotary shaft 5 that penetrates the shaft core, and are rotatably mounted at both ends thereof via bearing blocks 6 of a carriage 3. Even if the rotary shaft 5 of the drum 1 is bent by the weight of the artificial turf 2, the bearing block 6 has a pin joint 8 so that the trolley 3 can swing to the left and right of the trolley 3 in order to prevent the trolley 3 from being tilted by a lateral load. It is mounted on the 9.

Further, as shown in FIG. 1, the carriage 3 is provided with a drum rotation drive unit 10 for applying a rotational force to the drum 1,
A control unit 11 that relatively controls the speed and the speed of the carriage 3 and a battery 12 that supplies power to the drive units 4 and 10 are provided. The traveling direction of the front of the carriage 3 (or backward), the laser length measuring device 13 for measuring the distance of each carriage 3 Noto are provided, these measurement signals are inputted to the control unit 11 via a cable It is like this. The laser length measuring device 13 is installed in the hall toward the light emitting portion on each paddle wheel 3 so as to measure the distance between the carriage 3 by receiving the reflected beam of laser light to the carriage 3. In the control unit 11, the traveling speed of the trolley 3
In addition to the relative control of the rotational speed of the drum 1, carried from the measurement signal of the laser length measuring device 13, a control for controlling the traveling speed of the carriage 3 so that the left and right carriage 3 travels while maintaining the same distance.

The artificial turf 2 is wound around the drum 1 of the laying apparatus S having the above-mentioned structure. The artificial grass 2 is composed of a plurality of strip-shaped artificial grass pieces 20. This artificial grass piece 20
As shown in FIG. 3, is composed of a water-permeable base cloth 21 and a turf portion 22 planted on the surface of the base cloth 21. The grass portion 22 is composed of a cushion yarn 23 formed in a lower layer and having a cushioning property, and a face yarn 24 formed in an upper layer and forming a surface layer of the artificial grass piece 20.

The cushion yarn 23 is made of BCF nylon 6 and has a loop shape to form the base cloth 21.
It is planted with urethane adhesive. On the other hand, the face yarn 24 is made of weather-resistant nylon 66, and the base end portion of the face yarn 24 is planted with a urethane adhesive. The tip portion of the face yarn 24 projects above the cushion yarn 23, and is provided so as to cover the cushion yarn 23 as a whole. In addition, the face yarn 24 is composed of two types of yarns whose cross section is a flat surface and a round surface. In the turf portion 22 having the above structure, the loop structure of the cushion yarn 23 hidden in the face yarn 24 becomes an elastic body, prevents the face yarn 24 from falling down, and has an appropriate cushioning property. Further, since the lawn portion 22 has a two-layer structure of the cushion yarn 23 and the face yarn 24, the lawn length can be increased, and thus the surface resistance can be reduced.

As shown in FIGS. 4 and 5, the edge portion of the artificial grass piece 20 is formed with a joining member 25 that joins the artificial grass pieces 20 to each other so that they can be separated from each other. This joining member 2
5 is a strip 26 extending in the longitudinal direction of the artificial grass piece 20,
A large number of teeth 2 attached to the edge of the strip 26 at regular intervals.
7 constitutes one of so-called fasteners, and the other of the fasteners is formed as a joining member 25 at an edge portion of the artificial turf piece 20 to be joined, and is joined to each other. A chuck member 28 for engaging the teeth 27 with each other is provided on one of the strips 26 so as to be slidable in the longitudinal direction of the strip 26.

Then, a predetermined number of artificial grass pieces 20 are arranged with their ends flush with each other, and the joining members 25, 25 are adjacent to each other.
The teeth 27 are joined to each other by sliding the chuck members 28 from one end of the band cloth 26 toward the other end of the teeth so that the teeth 27 are joined to each other so that one artificial turf having a predetermined area is joined. Form 2. Then, the artificial grass 2 is wound around the drum 1 of the laying apparatus S. This winding is performed by fixing the end portion of the artificial turf 2 to the drum 1 and then rotating the drum 1 in the winding direction by the drum rotation drive unit 10 while retracting the carriage 3. When it is not necessary to lay the artificial turf 2, the laying device S around which the artificial turf 2 is wound is stored in a pit (not shown) formed under the floor or the like.

On the other hand, when laying the artificial turf 2, the laying device S is taken out from the pit and the drum 1 is rotated in the unwinding direction by the drum rotation drive unit 10 while the carriage 3 is moved forward. The artificial turf 2 is unwound from the drum 1 and unfolded to be laid. At the time of winding and unwinding the artificial turf 2, the traveling speed of the carriage 3 and the rotation speed of the drum 1 are relatively controlled by the control unit 11, so that the tension of the artificial turf 2 is well adjusted, and the carriage is 3 in accordance with an instruction of the control unit 11, to proceed while maintaining the same distance between the laser length measuring device 13, never wrinkles or the like occurs in the artificial grass 2. The laying device S, which has finished laying the artificial turf 2, is stored in a pit formed at a position facing the pit in the traveling direction of the carriage 3.

The artificial grass 2 wound around the drum 1
Is composed of a plurality of artificial turf pieces 20 ..., These artificial turf pieces 20 ... Are joined to each other by a joining member 25.
The artificial turf pieces 20 ... Can be easily wound by aligning them in the longitudinal direction, and when unwinding from the drum 1, the artificial turf pieces 20 can be closely laid together without leaving a gap. it can. Further, as described above, the plurality of artificial turf pieces 20 ... Are aligned with each other in the longitudinal direction by the joining members 25 ... And joined to each other, and they are pre-integrated before being installed and then wound around the drum 1. Since the unfolded and laid artificial turf pieces 20 are aligned with each other in the longitudinal direction, the conventional alignment after laying is not necessary and wrinkles caused by the alignment can be prevented. .

Further, the joining member 25 is the artificial grass piece 20.
Since it is formed so as to extend in the longitudinal direction of the artificial turf piece 20 at the back edge portion of the artificial turf piece 20, it is possible to join the long strip-shaped artificial turf piece 20 without a gap, and the joint part is the artificial grass
Is not exposed on the surface. In addition, the artificial turf 2 is wound around the drum 1 after the plurality of artificial turf pieces 20 ... Are joined to each other by the joining members 25 .. The artificial grass 2 can be easily formed, wound around the drum 1, and unwound. This makes it possible to easily lay artificial turf according to the size of the stadium or the like, the place where the artificial turf is to be laid, and the like.

[0020]

As described above, according to the first aspect of the present invention.
According to the method for laying a rug such as artificial grass, a rug such as an artificial grass is formed by joining a plurality of strip-shaped rug pieces by a joining member formed on the longitudinal edge of the rug so that they can be separated from each other. Since the rug is wound around the core material in the longitudinal direction of the rug piece, the rug pieces are joined to each other by the joining member and integrated in advance before laying. Therefore,
The plurality of rug pieces can be easily wound around the core material, and when the rug pieces are unwound from the core material, the rug pieces can be densely laid without leaving a gap between them.

Further, since a plurality of rug pieces are aligned with each other in the longitudinal direction of the rug pieces by a joining member and joined, and integrated before being laid and wound on a core material, the rug pieces unwound and laid are Since the longitudinal alignment is performed with each other, the conventional alignment after laying is not required, and wrinkles caused by the alignment can be prevented.

In addition, since the rug is wound around the core after the plurality of rug pieces are joined to each other by the joining member, the rugs having different areas can be easily formed by increasing or decreasing the number of rug pieces to be joined. The core material can be wound around and unwound, and the rug according to the size of the place where the rug is laid can be easily laid.

According to the method for laying a rug such as artificial turf according to claim 2, since the joining member is formed at the back edge of the rug piece so as to extend in the longitudinal direction of the rug piece, a long strip shape is formed. The rug pieces can be joined together without a gap, and the joint portion is not exposed on the surface of the rug.

[Brief description of drawings]

FIG. 1 is a side view showing an example of a laying apparatus used when carrying out a method of laying a rug such as artificial grass of the present invention.

FIG. 2 is a front view of the same.

FIG. 3 is a cross-sectional view showing an example of a method of laying a rug such as artificial turf according to the present invention and showing a cross-sectional structure of a rug piece.

FIG. 4 is a cross-sectional view illustrating an example of a method of laying a rug such as artificial turf of the present invention, showing the unrolled and laid artificial turf.

FIG. 5 is a plan view of the artificial grass when the artificial grass is unrolled, illustrating an embodiment of the method for laying a rug such as artificial grass according to the present invention, as viewed from the back side.

[Explanation of symbols]

1 drum (core material) 2 Artificial grass (rug) 20 Artificial grass pieces (rug pieces) 25 Joining member

─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Yoshi Yamada 2-10-10 Fujimi, Chiyoda-ku, Tokyo Maeda Construction Co., Ltd. (56) Reference JP-A-60-62305 (JP, A) JP-A Sho 60-233210 (JP, A) Actual Kaihei 3-105172 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) E01C 19/52 E01C 13/08 E04H 3/14 E04H 3 / 12 B05H 75/38-75/42

Claims (2)

(57) [Claims] 1. A rug such as artificial turf is formed by joining a plurality of strip-shaped rug pieces so as to be able to come into contact with and separate from each other by a joining member formed on a longitudinal edge of the rug, and the rug is used as a core material for the rug. wound in the longitudinal direction of the strip, when laying while unwinding the wrapped rug installation site, provided at both ends of the core carriage and its front
The laser measuring device installed at the rear
Measure the distance, and from the measurement signal of this laser length measuring device,
Make sure that each trolley travels while maintaining the same distance.
A method for laying rugs such as artificial grass, which is characterized by controlling the traveling speed of the dolly . 2. The method for laying a rug such as artificial turf according to claim 1, wherein the joining member is formed at a back edge portion of the rug piece so as to extend in a longitudinal direction of the rug piece. How to lay a rug such as artificial turf.