Artificial Ganoderma maintenance method

Abstract

To provide a maintenance method for artificial turf around a soil-paved area, in which the artificial turf is regenerated by suitably removing pavement soil that has been scattered and adhered to piles.SOLUTION: An artificial turf maintenance method according to the present invention is the artificial turf maintenance method for a ground including a soil paving region 30 paved with paving soil 31 and an artificial turf 20 laid around the soil paving region, the method comprises: a loosening step of loosening the paving soil scattered on the artificial turf and fixed and / or deposited between piles 21 constituting the artificial turf together with the piles; a scraping step of scraping the paving soil loosened from the piles; a suction step for sucking the paving soil remaining between the piles; an alignment step for erecting and arranging the piles; and a filling step for filling new silica sand 23 and rubber chips 24 between the piles.SELECTED DRAWING: Figure 3

Description

Technical Field

[0001] The present invention relates to a method for maintaining artificial turf laid on a baseball ground or the like, and particularly relates to a method for maintaining artificial turf in a pitching mound or around a base where paving soil scatters from an earth-laying area such as an ant zoo and is easily trampled and compacted.

Background Art

[0002] In grounds such as baseball grounds, soccer grounds, tennis courts, and softball grounds, artificial turf is laid on the field or court, and areas such as the pitching mound, around the base, the batter's box, etc., or the outside of the pitch are paved with ant zoo, black soil, clay, natural sand, arable land soil, etc. (hereinafter collectively referred to as "paving soil"). In a ground where artificial turf is laid, over time, due to people, wind, rain, etc., the paving soil in the area paved with paving soil (hereinafter referred to as the "earth-paved area") scatters to the surrounding artificial turf, and the paving soil is pressed and compacted between the piles and intrudes due to trampling.

[0003] Therefore, it is necessary to regularly maintain the artificial turf. In Patent Document 1, a method for maintaining artificial turf itself is proposed by using a ferromagnetic material as part of the filler and applying a magnetic field to the artificial turf to stir the filler and loosen the hardening.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Disclosure of the Invention

Problems to be Solved by the Invention

[0005] However, when there is a large amount of paving soil adhering to the piles of artificial turf, or when sufficient maintenance has not been carried out over a long period of time, etc., it is necessary to completely redo the maintenance, but there has been no suitable method.

[0006] The present invention provides a maintenance method for artificial turf around a soil-paved area, which preferably removes the paving soil scattered and adhering to the piles and regenerates the artificial turf.

Means for Solving the Problems

[0007] The maintenance method for artificial turf according to the present invention is a maintenance method for artificial turf on a ground including a soil-paved area paved with paving soil and artificial turf laid around the soil-paved area, a loosening step of loosening the paving soil scattered on the artificial turf and adhering and / or deposited between the piles constituting the artificial turf together with the piles, a scraping step of scraping out the paving soil loosened from the piles, a suction step of sucking the paving soil remaining between the piles, an aligning step of standing up and aligning the piles, a filling step of filling new silica sand and rubber chips between the piles, and includes.

[0008] The loosening step may include a first loosening step of rotating a head in which a plurality of first blades are erected in the same direction in a plane to loosen the paving soil together with the piles, and a second loosening step of rotating a shaft in which a plurality of second blades are erected in the circumferential direction to further loosen the paving soil together with the piles. can include.

[0009] The scraping step can be a step of rotating a shaft-shaped scraping brush with brush hairs planted on its peripheral surface and inserting the tips of the brush hairs between the piles to scrape out the paving soil.

[0010] The suction step can be a step of sucking while scraping out rubber chips existing between the piles, the paving soil, and other dust.

[0011] It can include a leveling step of loosening the paving soil in the soil paving area, filling the paving soil, and leveling it.

Advantages of the Invention

[0012] According to the artificial turf maintenance method of the present invention, the paving soil fixed to the piles is loosened, the piles are loosened, the paving soil is scraped out, and the remaining paving soil is sucked. As a result, the paving soil can be removed from between the piles. Then, the piles are erected and arranged, and new silica sand and rubber chips are filled, so that the piles can be regenerated. By removing the paving soil from the artificial turf and erecting the piles and newly filling silica sand and rubber chips, the artificial turf not only revives like a newly installed one, its appearance is restored, but also its drainage capacity is improved. Furthermore, the load on athletes, shock absorption, and the bounce of balls and the like can also be improved. In addition, the boundary between the artificial turf and the soil paving area can be neatly separated.

Brief Description of the Drawings

[0013]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

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Figure 7

Figure 8

Figure 9

Embodiments for Carrying out the Invention

[0014] Hereinafter, the maintenance method for artificial turf according to the present invention will be described with reference to the drawings.

[0015] Figure 1 is a photograph of a baseball ground including a paved area before maintenance and the artificial turf around it. (a) is a photograph of the area around the home base, (b) is a photograph of the area around the first base, and (c) is a photograph of the area around the second base. The area around the bases such as the home base is a paved area paved with paving soil. The paving soil is, for example, ant soil, black soil, clay, natural sand, arakiya soil, etc., which scatters onto the surrounding artificial turf over time and adheres between the piles due to the trampling of athletes, etc. As a result, the boundary between the paved area and the artificial turf is not clear, and the artificial turf becomes hard due to the compacted paving soil, which may cause injuries to athletes, etc., and also makes the bounce of the ball uneven. In addition, the drainage capacity of the artificial turf also decreases, and water pooling occurs even with a little rain.

[0016] Figure 2 is a diagram showing a general configuration of the artificial turf 20. The artificial turf 20 is formed by tufting piles 21 such as nylon, polypropylene, polyethylene, and polyvinylidene chloride onto an artificial turf base fabric 22, and filling silica sand 23 and rubber chips 24 between the piles 21. Then, the artificial turf 20 is laid on the ground base 12. The length of the pile 21 is generally 45 mm, 55 mm, 65 mm (long turf). On the artificial turf base fabric 22, for example, silica sand 23 is laminated to a thickness of about 10 mm and rubber chips 24 are laminated to a thickness of about 20 mm.

[0017] The maintenance method of the artificial turf 20 of the present invention includes: (1) a loosening step of loosening the paving soil 31 scattered on the artificial turf 20 and fixed and / or deposited between the piles 21 together with the piles 21; (2) a scraping step of scraping out the paving soil 31 loosened from the piles 21; (3) a suction step of sucking the paving soil 31 remaining between the piles 21; (4) an alignment step of standing up and aligning the piles 21; (5) a filling step of filling silica sand 23 and rubber chips 24 between the piles 21.

[0018] Further, after these steps, (6) a leveling step of loosening the soil paving area 30, filling new paving soil 31, and leveling can be included.

[0019] Hereinafter, each step will be described in detail. The arrows in each figure indicate the progress of the device, the rotation of the brush, etc., and the up and down movement.

[0020] (1) Loosening step The loosening step is a step of loosening the paving soil 31 fixed and deposited between the piles 21 of the artificial turf 20 together with the piles 21. Between the piles 21, the silica sand 23 and rubber chips 24 initially filled due to long-term use have decreased, and paving soil 31, cut pile pieces 18, dust 19, etc. are fixed and deposited as shown in the circled part A of FIG. 3. Also, the piles 21 are in a fallen state. The paving soil 31 usually accumulates on the upper layer of the initially filled silica sand 23 and rubber chips 24.

[0021] The artificial turf 20 with the paving soil 31 etc. fixed is firmly tamped down and it is not easy to remove the paving soil 31 etc. First, it is necessary to loosen the paving soil 31. Therefore, as an embodiment of the present invention, the following two loosening steps are executed.

[0022] <First loosening step> The first loosening step is to loosen the artificial turf 20 with the paving soil 31 fixed etc. using the first loosening machine 40 as shown by B in FIG. 3.

[0023] The first loosening machine 40 has, for example, a head 41 in which a plurality of first blades 42 are erected in the same direction, and the head 41 is supported so as to be rotatable in the plane. The head 41 can have a diameter of about 10 cm to 15 cm, and about 2 to 6 heads 41 can be arranged in a row in a direction orthogonal to the traveling direction in the first loosening machine 40. Two to eight rod-shaped first blades 42 with a diameter of about 2 mm to 5 mm and a length of 10 to 20 cm are attached to the circumference of each head 41. The first blade 42 can be made of materials such as hard steel, piano wire, and stainless steel.

[0024] Then, the first loosening machine 40 is transferred onto the artificial turf 20 around the paved area 30, and while rotating the head 41, the first blade 42 is pressed against the artificial turf 20. The first blade 42 penetrates to a depth at which the fixed paving soil 31 can be loosened. However, the first blade 42 has an intrusion depth that does not damage the artificial turf base fabric 22. As the first blade 42 is pressed against the artificial turf 20 while rotating, the tip penetrates between the piles 21 and loosens the fixed paving soil 31 and the like.

[0025] Note that the first loosening step can also be performed by preparing a plurality of heads 41 with different diameters, lengths, hardnesses, etc. of the first blade 42 and dividing it into a plurality of steps. In this case, first, it is desirable to perform the loosening step with the head 41 using the first blade 42 having a thick diameter or a hard one.

[0026] <Second loosening step> When the paving soil 31 is strongly adhered, etc., the paving soil 31 may remain attached to the pile 21 in the first loosening machine 40. Therefore, in the second loosening step, as shown by C in FIG. 3, the artificial turf 20 is further loosened using the second loosening machine 45.

[0027] The second loosening machine 45 has, for example, a base shaft (or cylinder) 46 with a second blade 47 having a bent tip erected in the circumferential direction, and is configured to rotatably support the base shaft 46. The base shaft 46 can be a cylindrical cylinder with a diameter of about 10 cm to 15 cm. On the base shaft 46, 2 to 8 wire-like second blades 47 with a diameter thinner than that of the first blade 42, for example, a diameter of about 0.5 mm to 3 mm and a length of 5 cm to 15 cm, are attached in the circumferential direction. The second blade 47 can be made of materials such as hard steel, piano wire, and stainless steel, and can be configured to be partially wound in a spring shape to enhance elasticity. The second blade 47 can be a wire-like blade, and can also adopt a configuration such as a so-called tine blade, a thatching blade, or a rake blade. In order to enhance the loosening effect, it is desirable that the second blade 47 rotate in the direction opposite to the traveling direction as shown in FIG. 3. The penetration depth of the second blade 47 can be set to be substantially the same as the penetration depth of the first blade 42.

[0028] Then, the second loosening machine 45 is transferred onto the artificial turf 20 loosened in the first loosening step, and while rotating the base shaft 46, the second blade 47 is pressed against the artificial turf 20. Since the second blade 47 is thinner than the first blade 42, it penetrates between the piles 21 of the artificial turf 20 that have been loosened to a certain extent in the first loosening step, and further loosens the piles 21 and the paving soil 31. As a result, the paving soil 31 fixed by the first loosening step is finely decomposed, and the paving soil 31 remaining in the state of adhering to the piles 21 is also peeled off from the piles 21.

[0029] By the above loosening step, the paving soil 31 and the like fixed to the piles 21 are peeled off, and the piles 21 are also loosened.

[0030] In addition, as a loosening step, as further shown by D in FIG. 3, a third loosening step of scraping off the paving soil 31 and the like adhering to the piles 21 by a rotating brush 49 may be added. In order to enhance the loosening effect and the effect of scraping off the adhering paving soil 31, it is desirable that the brush 49 rotate in the direction opposite to the traveling direction as shown in FIG. 3.

[0031] (2) Scratching step Subsequently, a scraping process is performed to scrape out the paved soil 31 released from the pile 21. As shown in FIG. 4, for example, a scraping machine 50 having a rotatable shaft-shaped scraping brush 51 with brush bristles 52 implanted on its circumferential surface can be used for the scraping process. The scraping machine 50 rotates the scraping brush 51 on the artificial turf 20, inserts the brush bristles 52 between the piles 21, and scrapes out the paved soil 31 and the like between the piles 21. In order to enhance the scraping effect of the paved soil 31, as shown in FIG. 4, it is desirable to rotate the scraping brush 51 in the direction opposite to the traveling direction.

[0032] The brush bristles 52 can be made of chemical fibers such as polyester and polypropylene, natural materials such as ferns and palms, metal wires, etc. The diameter of the brush bristles 52 is preferably 1 mm to 5 mm, and the length is preferably 5 cm to 15 cm.

[0033] In addition, a second scraping process using a scraping brush 51 with brush bristles 52 of different diameters, lengths, and materials may be added.

[0034] (3) Suction process The paved soil 31, dust 19, and pile pieces 18 scraped out from the pile 21 in the scraping process are suctioned by a suction device 60. As shown by E in FIG. 5, the suction process can be performed by a first suction device 61 having a suction port 63 connected to a vacuum means 62 and provided with a brush row 64 in the suction port 63. By operating the first suction device 61 on the artificial turf 20 where the scraped-out paved soil 31 and the like exist, the paved soil 31 and the like are suctioned and removed from the suction port 63. Also, by providing the brush row 64, the paved soil 31 and the like between the piles 21 are scraped out, and suction can be performed efficiently.

[0035] As shown by F in FIG. 5, the suction can also be performed by a second suction device 65 having a rotating brush 67 provided at a suction port 68 connected to a vacuum means 66. The second suction device 65 can effectively scrape out the paved soil 31 and the like from between the piles 21 with the rotating brush 67 and perform suction, thereby enhancing the suction efficiency.

[0036] The attracted paving soil 31 or the like can be discharged into a bucket or a bag. Also, as shown by F in Fig. 5, a sieve 69 is provided on the downstream side of the vacuum means 66 to suck the paving soil 31 or the like scraped out by the rotary brush 67 and discharge it onto the sieve 69, leaving behind large lumps of the paving soil 31, pile pieces 18, dust, etc., and returning the fine paving soil 31 to the artificial turf 20. This can reduce the amount of paving soil 31 to be filled in the filling process described later. The rotation direction of the rotary brush 67 may be the forward direction with respect to the traveling direction.

[0037] Due to the scraping process and the suction process described above, the paving soil 31 adhering to the surface of the pile 21 is peeled off, so the pile 21 returns to a color close to its original color (for example, green). If necessary, the pile 21 may be washed with water or the like.

[0038] (4) Alignment process An alignment process is performed to stand up and align the piles 21 that have fallen due to years of use with respect to the artificial turf 20 from which the paving soil 31, pile pieces 18, dust 19, etc. have been removed. As shown in Fig. 6, for the alignment process, an aligning device 70 having one or a plurality of rows of brushes 71 can be used. By pulling the aligning device 70 on the artificial turf 20, the tips of the brush hairs penetrate between the piles 21 to stand up and align the fallen piles 21 (reference numeral 21a). By vibrating the brush 71 back and forth and left and right, the standing up and alignment of the piles 21 are performed more effectively.

[0039] (5) Filling process The artificial turf 20 with the pile 21 standing upright and aligned is filled with new silica sand 23 and rubber chips 24 to regenerate the artificial turf 20. As shown by G in FIG. 7, the filling process can be carried out by running a filling device 80 having a feeder 81 containing the silica sand 23 and rubber chips 24 on the artificial turf 20. In order to disperse the silica sand 23 and rubber chips 24 in appropriate amounts, a conveyor 82 can be arranged below the feeder 81, and the silica sand 23 and the like falling from the feeder 81 can be dispersed onto the artificial turf 20 via the conveyor 82. It is desirable that the filling device 80 be equipped with a small brush 83 to level the dispersed silica sand 23 and the like. Further, in order to allow the dispersed silica sand 23 and the like to penetrate between the piles 21 and to make the piles 21, silica sand 23, and rubber chips 24 fit together for leveling, as shown in FIG. 7H, it is desirable to run a rotary brush 84 or one or multiple rows of brushes on the artificial turf 20. In this process, in order to suppress the splashing of the silica sand 23 and rubber chips 24, as shown in FIG. 7, it is desirable that the brushes 83 and the rotary brush 84 rotate in the forward direction with respect to the traveling direction.

[0040] By filling the paving soil 31 and rubber chips 24 between the piles 21 standing upright by the alignment process through the filling process, as shown in FIG. 2, the artificial turf 20 is regenerated to a state close to a new product.

[0041] The regenerated artificial turf 20 has no adhesion of the paving soil 31, the piles 21 stand upright and are aligned, and new paving soil 31 and rubber chips 24 are filled. Therefore, it has excellent elasticity, good touch and feel when stepped on, good bounce for a ball or the like, and improved drainage efficiency. Therefore, it can provide a suitable environment for ball games and competitions.

[0042] (6) Levelling process In the paving area 30 adjacent to the artificial turf 20, the paving soil 31 is filled and a leveling process is carried out to level the soil. In the leveling process, it is preferable to replenish the paving soil 31 and improve the drainage while leveling. For example, as shown by I in Fig. 8, the soil paving area 30 is dug and plowed to a certain depth with a tillage device 90 having tillage blades 91. The tillage blades 91 are preferably rotated in the direction opposite to the traveling direction. At this time, in order to further improve the drainage, as shown by J in Fig. 8, a hole-opening device 92 with a plurality of metal spikes 93 that can move up and down is adopted. The hole-opening device 92 inserts the metal spikes 93 into the soil paving area 30 to form a number of holes 32 in the soil paving area 30. The metal spikes 93 can be, for example, 1 cm to 3 cm in thickness, and the penetration length into the soil paving area 30 is preferably set to reach a well-drained layer in the soil paving area 30. For example, the metal spikes 93 can be set to 10 cm to 30 cm. Then, as shown by K in Fig. 8, new paving soil 31a is filled.

[0043] After these operations, as shown by L in Fig. 8, rolling is carried out with a roller 94 or the like, and the soil paving area 30 is leveled with a dragonfly or a brush, thereby completing the regeneration of the soil paving area 30.

[0044] Fig. 9 is a photograph of a ground where the maintenance of the artificial turf and the soil paving area has been completed. It can be seen that the artificial turf and the soil paving area around the base have been regenerated, and the boundary between them is also clearly visible.

[0045] The description of the above embodiments is for explaining the present invention and should not be construed as limiting or reducing the scope of the invention described in the claims. Moreover, each component of the present invention is not limited to the above embodiments, and it goes without saying that various modifications are possible within the technical scope described in the claims.

[0046] For example, it should be understood that the devices used in each process are just examples. Also, various materials and dimensions are just examples and do not limit the present invention. Further, the ground is exemplified by a baseball ground, but it may also be a soccer ground, a tennis court, a softball ground, etc.

[0047] Each of the above devices can be self-propelled, tractor-drawn, or hand-pushed, etc.

Explanation of Signs

[0048] 20 Artificial turf 21 Pile 30 Paved soil area 31 Paved soil 40 First loosening machine 45 Second loosening machine 50 Scraper 60 Suction device 70 Alignment device 80 Filling device 90 Cultivation device

Claims

1. An artificial turf maintenance method for a ground, comprising a soil-paved area paved with paving soil and artificial turf laid around the soil-paved area, a loosening step of loosening the paving soil scattered on the artificial turf and fixed and / or deposited between the piles constituting the artificial turf together with the piles, a scraping step of scraping out the paving soil loosened from the piles, a suction step of sucking the paving soil remaining between the piles, an aligning step of standing up and aligning the piles, a filling step of filling new silica sand and rubber chips between the piles, including, the loosening step includes, a first loosening step of rotating a head with a plurality of first blades standing in the same direction in the plane to loosen the paving soil together with the piles, a second loosening step of rotating a shaft with a plurality of second blades standing in the circumferential direction to further loosen the paving soil together with the piles, An artificial turf maintenance method.

2. In the scraping step, a shaft-shaped scraping brush with brush hairs planted on its peripheral surface is rotated, and the tips of the brush hairs are inserted between the piles to scrape out the paving soil, The artificial turf maintenance method according to Claim 1.

3. In the suction step, while scraping out rubber chips, the paving soil, and other dust existing between the piles, suction is performed, The artificial turf maintenance method according to Claim 1 or Claim 2.

4. including a leveling step of loosening the paving soil in the soil-paved area, filling the paving soil, and leveling the ground, The artificial turf maintenance method according to any one of Claims 1 to 3.

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