JP2001336111A - Recovery method of sand-contained artificial lawn - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the recovery method of an existing sand-contained artificial lawn capable of simple recovery in the state that the existing sand-contained artificial lawn has been laid. SOLUTION: In the recovery method of the sand-contained artificial lawn 10 removing the existing sand-contained artificial lawn 10 and classifying and recovering sand 13 and the artificial lawn 10, the recovery method of the sand- contained artificial lawn 10 is provided with a process for releasing the compact sand 13 remaining in the state that the sand-contained artificial lawn 10 has been laid, a process for recovering the sand 13 remaining in the state that the sand-contained artificial lawn 10 has been laid, and a process for recovering the artificial lawn 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a method for recovering an artificial grass containing sand.

[0002]

2. Description of the Related Art Conventionally, in the removal and recovery work of an existing artificial lawn containing sand, in many cases, sand is removed while the artificial lawn remains in the artificial lawn, and the artificial lawn in the sand-containing state is replaced with industrial waste. Has been disposed of. Existing artificial grass containing sand is rolled up and transported, but if it is still sand, the amount of industrial waste to be discarded is large, and even when transported by vehicle, loading efficiency is poor and transportation costs are expensive It has become.
Therefore, the processing cost is very high.

[0003] In order to peel off the sand portion while the sand remains, the mechanical equipment for removing the artificial turf containing sand is inevitably large-scale. When large-scale equipment is used to separate artificial grass and sand, the equipment cost is high, and the fare for moving the machine to the site is high.

There is also a method of constructing a new artificial grass with sand as it is on an existing artificial grass with sand.
There is a possibility that playability may be affected, for example, a problem may occur with the surrounding structures, or the rebound of the ball may be low.

[0005] Japanese Patent Application Laid-Open No. 2000-8314 discloses an apparatus for recovering the laid artificial grass so that it can be recycled. In the above-mentioned publication, the collecting method is such that the artificial lawn containing laid sand is peeled off from the laying surface, the artificial lawn after the peeling is bent so that the pile side becomes convex, and the openings between the piles are opened. The sand is separated from the pile surface and the artificial grass after the sand is separated is collected.

[0006] The recovery device includes a take-off means for peeling the laid artificial grass from the laying surface, a mesh opening means for bending the artificial grass so that the pile surface side becomes convex, and opening the piles with each other. It is provided with sand separating means for separating sand from the pile surface in the state, and means for collecting artificial grass after separating the sand, so that the sand can be efficiently collected in a recyclable state.

Further, as an apparatus for restoring the elasticity and flexibility of an artificial turf containing sand hardened by weathering, Japanese Patent Application Laid-Open No. 11-3 is disclosed.
It is described in 36010. In the above-mentioned publication, a rotating cylinder rotatably supported around a horizontal axis below or behind a frame of a self-propelled or towable vehicle, a driving means for the rotating cylinder, and a spiral cylinder planted on a peripheral surface of the rotating cylinder. The elevating frame includes an erect spike pin, an elevating frame that supports the rotating cylinder so as to be vertically movable, an elevating means of the elevating frame, and a depth adjusting shoe mounted on the elevating frame to adjust the penetration depth of the spike pin. . The rotation center axis of the rotating cylinder is inclined with respect to the traveling direction of the vehicle.

[0008] By running while rotating the rotary cylinder, hardened sand on the surface of the artificial turf is regenerated. Since the spike pins are provided in a spiral shape and the rotating cylinder is inclined, reproduction can be performed uniformly.

[0009]

As described above, the method of separating the sand and the artificial grass after removing and recovering the existing sand-containing artificial grass has a problem that the processing cost is high. Further, the state of dirt is different between the surface of the existing sand and the lower part. There is a problem that dust and the like are mixed in the sand portion on the surface.

[0010] Therefore, it is necessary to use a simple machine to separate the sand from the existing artificial grass containing sand and the artificial grass. Furthermore, even in old artificial grass with sand, the sand is very dirty and damaged only on the surface layer, and the lower layer sand is often reusable, so if you collect the surface sand and the lower layer sand separately, Reuse can be made easier.

The present invention has been made in view of the above-mentioned problems, and has as its object to provide an existing artificial sand-filled grass which can be easily collected with the existing sand-filled artificial grass laid. It is intended to provide a lawn collection method.

[0012]

According to a first aspect of the present invention, there is provided a method for recovering sand-containing artificial turf, comprising removing the existing sand-containing artificial turf and separating and collecting the sand and the artificial turf. A method of unraveling tight sand while the artificial lawn with sand is laid, a step of collecting sand while the artificial lawn with sand is laid, and a step of collecting the artificial lawn It is provided with.

According to a second aspect of the present invention, there is provided a method for recovering an artificial turf containing sand, wherein the artificial turf containing sand is removed to separate and collect the sand and the artificial turf. Unlocking the sand with the artificial turf laid, laying the sand with the artificial turf laid, and collecting the remaining lower sand And a step of collecting artificial grass.

According to a third aspect of the present invention, in the method for recovering artificial turf with sand according to the first or second aspect of the present invention, the method comprises the steps of: The lawn is cut off and rolled up on the base layer to be laid.

According to a fourth aspect of the present invention, there is provided a method for recovering artificial turf containing sand, wherein the collected sand is subjected to dust removal and reused as sand.

According to a fifth aspect of the present invention, there is provided a method for recovering artificial turf with sand according to the present invention, comprising a traveling machine having a cylindrical or columnar rotating body having a height adjustable in a horizontal direction and having a projection on an outer peripheral surface. A step of running the traveling machine on the artificial turf field with sand while pushing the protrusions of the rotating body against the sand layer of the artificial turf containing sand to break the sand.

According to a sixth aspect of the present invention, there is provided the method for recovering artificial turf containing sand according to the present invention, wherein the step of recovering the sand uses a traveling vacuum cleaner.

According to a seventh aspect of the present invention, in the method for recovering sand-containing artificial grass according to the present invention, the step of recovering the sand on the surface portion uses a brush-type sweeper.

In the method for recovering sand-containing artificial turf according to the present invention, the step of recovering the sand in the lower layer portion uses a traveling vacuum cleaner.

[0020]

According to a first aspect of the present invention, there is provided a method for recovering sand-containing artificial grass, wherein the sand-containing artificial grass is laid and loosened sand is removed. Since the method includes a step of collecting sand and a step of collecting artificial grass, the existing grass-containing artificial grass can be collected and laid.

According to a second aspect of the present invention, there is provided a method for recovering sand-containing artificial turf according to the present invention. With the step of collecting surface sand, the step of collecting remaining lower layer sand, and the step of collecting artificial grass, the existing sand-containing artificial grass can be collected and laid. .

According to a third aspect of the present invention, in the method for recovering artificial turf with sand according to the first or second aspect, after the sand of the artificial turf with the existing sand is recovered, the artificial turf is recovered. Since the lawn is cut and rolled up on the base layer to be laid, the sand and the artificial lawn are separated, and only the artificial lawn can be collected, thereby facilitating the collection operation.

According to a fourth aspect of the present invention, there is provided a method for recovering artificial grass containing sand according to the present invention. After that, the sand without impurities is easily reused.

According to a fifth aspect of the present invention, there is provided a method for recovering artificial turf with sand according to the present invention, comprising: a traveling machine having a cylindrical or cylindrical rotating body having a height adjustable in a horizontal direction and having a projection on an outer peripheral surface. Using the traveling machine, the projecting part of the rotating body is pushed on the sand layer of the artificial turf containing sand while running on the field of the artificial turf containing sand, and the step of releasing the sand is provided. The hardened sand of the artificial grass with sand can be softened.

According to the sixth aspect of the present invention, since the sand collecting step uses a traveling vacuum cleaner, the sand is efficiently collected with a strong vacuum pressure. be able to.

In the method for recovering sand-containing artificial turf according to the present invention, the step of recovering the sand on the surface layer uses a brush-type sweeper. Is possible, and the collection of tight sand can be facilitated.

In the method for recovering artificial turf containing sand according to the present invention, since the step of recovering the sand of the lower layer uses a traveling vacuum cleaner, the lower layer of the lower layer using vacuum pressure is used. Sand can be collected efficiently.

[0028]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a cross-sectional view of an artificial lawn containing sand showing an embodiment of a method for recovering an existing artificial lawn containing sand of the present invention. FIG. 2 is a side view showing a traveling machine used for collecting the artificial grass containing sand according to the present embodiment. FIG. 3 and FIG. 3 are side views of a brush-type sweeper used for collecting the artificial turf containing sand of the present embodiment.

As shown in FIG. 1, the method for recovering sand-containing artificial grass 10 of the present invention is such that the existing sand-containing artificial grass 10 is removed, and the sand 13 and the artificial grass 10 are separated and collected. I have. The artificial grass 10 with sand 13 is ground 16
A base layer 15 on which the artificial grass 10 can be laid is provided,
An artificial lawn 10 is laid thereon.

The artificial lawn 10 has a base cloth 12 on which the grass leaves 11 are vegetated, and the sand 13 in the gaps between the grass leaves 11 is filled to form the artificial grass 10 with sand. The sand 13 is formed of sand 131 on the surface in which dust and the like are mixed and sand 132 in the lower layer 14 that is relatively clean.

The method of collecting the artificial grass 10 containing sand is as follows.
3, a step of collecting sand, and a step of collecting artificial grass.

The step of unraveling the sand 13 is performed while the artificial lawn 10 containing the sand 13 is laid and the sand 13 is closed.
It is made to unravel. The loosening of the sand 13 is performed by softening the tightened sand 13 by pushing a spike, rubbing with a brush, or the like.

As shown in FIG. 2, in the method for recovering the artificial turf 10 with sand according to the present invention, the height of the artificial turf 10 can be adjusted in the horizontal direction, and the cylindrical or cylindrical rotating turf having a metal projection 22 on the outer peripheral surface is provided. By using the traveling machine 20 having the body 21, the tightened sand 13 is loosened while rotating the rotating body 21 with the rotating shaft 23.

To loosen the sand 13, the traveling machine 20 is connected to the metal projection 22 of the rotating body 21 by the sand-containing artificial grass 1.
The sand 13 is unraveled by running on the field of the artificial turf 10 containing sand while being pushed up to the 13 layers of sand.

As shown in FIG. 3, the step of recovering the sand is performed while the artificial grass 10 containing the sand 13 is laid.
3 is collected. The sand 13 is collected while running the brush 31 of the traveling machine 30 on the artificial grass 10 containing sand.

In the process of collecting sand, when using a spiked sand loosening machine, a spike, a cutter roller, a drive mechanism, and a transmission mechanism are partially modified to obtain a commercially available root cutting machine or a spiked sand loosening machine. Has been made to take advantage of.

The spiked sand loosening machine is capable of powerfully breaking the hardened and tightened sand 13. Unless the degree of curing is remarkable, a brush-type traveling machine having a brush mounted on a polisher can also be used.

The step of collecting the sand includes the step of collecting the sand 131 having a surface of 1 to 8 mm on the surface of the sand 13 and the step of collecting the sand 132 of the remaining lower layer 14.
Can also be collected separately from the step of collecting.

The surface 131 to 1 mm of sand 131 has
In many cases, damage and trash etc. are mixed in by playing,
The sand 132 in the lower part 14 is relatively intact,
32 can be collected and reused as it is. Therefore, if the recovery is performed in different steps, the recovery can be performed efficiently.

In the step of collecting the sand, the sand 13 is collected by using a traveling vacuum cleaner. In the traveling vacuum cleaner, the artificial grass 10 can be suctioned and collected to the vicinity of the base of the grass leaf 11 with the vacuum pressure. As described above, the sand 132 of the lower layer portion 14 can be collected by using the traveling vacuum cleaner.

In the step of collecting the sand, the sand 13 can be collected by using a brush-type sweeper. In the brush type sweeper, it is possible to control the sand removal thickness by adjusting the height of the brush.

The recovered sand 131 is partly or wholly removed as necessary to remove dust mixed therein, sieved to uniform particle size, washed, etc., and then reused as artificial grass sand to be renewed. It has been made to be.

In addition, water spraying with a high-pressure washing machine or air spraying with an air compressor can also be used.

In the step of collecting the artificial turf, the sand 13 is separated and collected from the artificial turf 10 in the step of collecting the sand, and then the artificial turf 10 is cut into an appropriate size and cut into a size that is easy to convey. ing.

After the sand 13 is collected, most of the sand 13 is removed from the base layer 15 and only the artificial grass 10 remains. In this state, the artificial grass 10 can be cut, rolled up, folded, and the like freely. it can.

In the step of collecting the artificial turf 11, a commercially available root cutting machine for natural turf, a spiked sand loosening machine, or the like can be used. This can be easily achieved by replacing the root cutting part of the above-mentioned root cutting machine with a spike or a cutter roller and modifying the driving device and the transmission.

According to the method of the present invention for collecting sand-containing artificial turf, after the sand 13 of the existing sand-containing artificial turf 11 is collected, the artificial turf 11 is cut into a long length and rolled up or folded on the base layer 15 to be laid. It overlaps.

In the present embodiment, in the step of unraveling sand, a spike roller in which a protrusion having a diameter of 100 mm, a length of 600 mm, and a length of 9 mm is implanted on the rotating body 21 of the traveling machine 20 is a commercially available natural lawn. It is attached to a cutting machine.

A brush-type small electric polisher is used in the vicinity of the fence or the net post near the edge of the court. One person on one side performs sand removal with an average thickness of 5 mm in 3 hours.

The brush-type sweeper is a 64 tenant.
00D-MLD is used. The collected sand 13 is accumulated in the container. One person collects an average of 5 mm of sand in 1.5 hours.

In the step of recovering sand, TS-1200LD made by Toko Sangyo is used for a self-propelled vacuum cleaner. The collected sand 13 is accumulated in the prepared container. Almost all of the sand 13 remaining by one person per surface in two hours can be recovered and removed.

In the step of collecting the artificial grass, the artificial grass 1
0 is cut with a cutter knife at joints and other parts, cut into a long shape having a width of about 1.8 m, wound up, and then removed with a forklift. Removal is completed in 2.5 hours with 2-3 persons per side.

[0053]

According to the first aspect of the present invention, there is provided a method for recovering an artificial lawn containing sand according to the present invention, comprising the steps of: releasing a compacted sand while the artificial lawn containing sand is laid; Since the method includes a step of collecting sand as it is and a step of collecting artificial grass, the existing grass-containing artificial grass can be collected and laid.

According to a second aspect of the present invention, there is provided a method for recovering sand-containing artificial grass, wherein the sand-containing artificial grass is laid and loosened sand is released, and the sand-containing artificial grass is laid. With the step of collecting surface sand, the step of collecting remaining lower layer sand, and the step of collecting artificial grass, the existing sand-containing artificial grass can be collected and laid. .

According to a third aspect of the present invention, in the method for recovering artificial turf with sand according to the first or second aspect, after the sand of the existing artificial turf with sand is recovered, the artificial turf is recovered. Since the lawn is cut and rolled up on the base layer to be laid, the sand and the artificial lawn are separated, and only the artificial lawn can be collected, thereby facilitating the collection operation.

According to a fourth aspect of the present invention, there is provided a method for recovering sand-containing artificial turf according to the present invention. After that, the sand without impurities is easily reused.

According to a fifth aspect of the present invention, there is provided a method for recovering sand-containing artificial turf, comprising: a traveling machine having a cylindrical or cylindrical rotating body having a height adjustable in a horizontal direction and having a projection on an outer peripheral surface. Using the traveling machine, the projecting part of the rotating body is pushed on the sand layer of the artificial turf containing sand while running on the field of the artificial turf containing sand, and the step of releasing the sand is provided. The hardened sand of the artificial grass with sand can be softened.

In the method for recovering sand-containing artificial turf according to the present invention, since the step of recovering the sand uses a traveling vacuum cleaner, the sand is efficiently recovered with a strong vacuum pressure. be able to.

In the method for recovering sand-containing artificial grass according to the present invention, since the step of recovering the sand on the surface layer uses a brush type sweeper, the height of the sand is controlled by adjusting the height of the brush. Is possible, and the collection of tight sand can be facilitated.

In the method for recovering sand-containing artificial turf according to the present invention, since the step of recovering the sand in the lower part uses a traveling vacuum cleaner, the lower part of the lower part using vacuum pressure is used. Sand can be collected efficiently.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of an artificial turf with sand showing an embodiment of a method for recovering an existing artificial turf with sand according to the present invention.

FIG. 2 is a side view showing a traveling machine used for collecting the artificial turf containing sand of the present embodiment.

FIG. 3 is a side view of a brush-type sweeper used for collecting the artificial turf containing sand according to the present embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Artificial turf 11 Lawn leaf 12 Base cloth 13 Sand 131 Sand 132 Sand 14 Lower layer 15 Base layer 16 Ground 20 Running machine 21 Rotating body 22 Projection 23 Rotation axis 30 Brush type sweeper 31 Brush

Claims (8)

[Claims] 1. A method for recovering sand-containing artificial turf by removing an existing sand-containing artificial turf and separating and collecting sand and artificial turf, wherein the sand that has been sanded is loosened while the artificial turf is laid. A method for collecting artificial sand with sand, comprising: a step; a step of collecting sand while the sand-containing artificial grass is laid; and a step of collecting artificial grass. 2. A method of recovering sand-containing artificial turf by removing the existing sand-containing artificial turf and separating and collecting the sand and artificial turf, wherein the sand that has been tightened while the sand-containing artificial turf is laid is removed. Unraveling step, a step of collecting surface sand while the sand-containing artificial grass is laid, a step of collecting remaining lower layer sand, and a step of collecting artificial grass. How to recover artificial grass containing sand. 3. The artificial grass lawn collecting step according to claim 1, wherein after the sand of the existing sand-containing artificial grass lawn is collected, the artificial grass lawn is cut and rolled up on a base layer to be laid. How to collect artificial grass containing sand. 4. The method for recovering artificial turf containing sand according to claim 1, wherein the collected sand is subjected to dust removal and reused as sand. 5. A traveling machine having a cylindrical or columnar rotating body having a height adjustable in a horizontal direction and having a projection on an outer peripheral surface, wherein the traveling machine is configured to remove the projection of the rotating body by sand. The method for recovering sand-containing artificial turf according to claim 1, wherein a step of running the sand-containing artificial turf on a field of sand-containing artificial turf while breaking the sand against the sand layer of the artificial turf containing sand is performed. . 6. The method for recovering sand-containing artificial turf according to claim 1, wherein the step of recovering the sand uses a traveling vacuum cleaner. 7. The method according to claim 2, wherein the step of collecting sand on the surface portion uses a brush type sweeper.
5. The method for recovering artificial grass containing sand according to 5. 8. The method according to claim 2, wherein the step of collecting the sand in the lower layer portion uses a traveling vacuum cleaner.
The method for recovering sand-containing artificial turf according to Claim 7 and Claim 7.