JP3316152B2 - Mobile natural grass ground system device and mobile natural grass pallet - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention is applied to a natural turf ground such as a soccer stadium, and maintains a high-quality sports natural turf throughout the year under any natural environmental conditions such as snowfall and cold regions. The present invention relates to a movable natural grass ground system apparatus and a movable natural grass pallet.

[0002]

2. Description of the Related Art Natural grass fields such as soccer stadiums are generally stationary.
In the case of the dome type as shown in FIG. 5 (a), it is difficult to obtain good growth conditions for natural turf in the shortage and securing of the amount of sunlight and the duration of sunlight and in the lack and securing of ventilation.

On the other hand, in the case of an open type stadium as shown in FIG. 5 (b), in cold regions where there is a large amount of snowfall, the turf does not work due to snowfall and low temperature, and when removing snow, it is costly for human labor. It was not possible to use natural grass grounds in winter, as the cost would be significant and the machinery would damage the grass.

[0004] In addition, important things in the maintenance and management of natural turf such as a sports ground include water supply, drainage, fertilizer spraying, and securing of sunshine hours and illuminance. For water supply to natural turf, sprinklers, manual spraying,
Methods such as rain guns have been used, but there are problems such as the need for manual watering, which increases labor and running costs, unevenness of watering, which adversely affects natural turf, and the susceptibility to wind. .

[0005] Regarding drainage, it is necessary to lay crushed stone at the lower part of the floor soil and to lay drainage pipes at certain intervals, which is costly. In addition, water is managed by dividing the large-area ground into small blocks called cells, and water is supplied and drained from the underground using a special double-tube perforated pipe (using the capillary phenomenon) laid vertically and horizontally below the ground. Although there is a cell system for performing this, it is necessary to lay a large number of pipes also in this case, and when a moving system such as a pallet type is adopted, it takes time and effort to connect and disconnect the pipes.

[0006] Fertilizer application is time-consuming because it is applied manually or by a machine such as a tiller. Furthermore, regarding the securing of sunshine hours and illuminance, when installing indoors for a long time, when there are shaded areas, when the sunshine time is insufficient, natural grass turf replacement and fine-grained Maintenance costs were required and running costs were incurred.

The present invention is applicable to a soccer stadium in a cold area where a large amount of snow falls or where it is difficult to secure the environmental conditions necessary for the growth of the natural turf, where the conventional natural turf ground cannot be used. By constructing a natural turf ground in a divided pallet format, a good natural turf ground can be provided throughout the year under any conditions, and more manpower and time are required as with the conventionally used cassette turf type natural turf. It can move the natural turf pallet in a short time and at low cost without the need for water, and can supply water and fertilize the natural turf uniformly and efficiently. It is an object of the present invention to provide a mobile natural turf ground system device and a mobile natural turf pallet which can omit the above.

[0008]

SUMMARY OF THE INVENTION A mobile natural grass ground system device according to the present invention divides a natural grass ground into a natural grass pallet having a predetermined plane size, and places the natural grass pallet into a concave portion of an uneven plate. a plurality of drain grooves are formed on the upper surface by filling the gravel and perforated pipe Ru collected water through the drainage grooves to perpendicular to the drainage groove
It is provided on the side of the uneven plate to collect water
The drain pipe and the regulating valve for discharging the drained water to the outside
A plate provided in the tube, and bed soil that is deposited on this plate, and natural grass provided on the bed soil, the pre
Attached to the inner surface of the side plate provided on the joint end face of the
A shielding fabric standing up to the upper surface of the floor soil, a support frame provided on the lower surface of the plate,
Air bearing provided between the support frames
And an air levitation system consisting of air pipes , laying these natural grass pallets indoors, moving the natural grass pallets outdoors by air surfacing according to the natural climatic conditions, and curing the natural grass outdoors. The invention is characterized in that water or fertilizer is sprayed on natural grass pallets using a running water supply system device indoors or outdoors.

[0009] Mobile natural turf pallet according to the present invention, a plurality of drain grooves are formed on the upper surface by filling gravel into the recess of the uneven plate and perforated tube Ru collected water through the drain groove Is uneven so that the
The drainage water that is provided on the side of the
A plate provided with a drainage pipe and an adjustment valve on the perforated pipe, floor soil deposited on the plate, natural turf provided on the floor soil, and a joint end face of the plate
It is attached to the inner surface of the side plate provided and stands up to the upper surface of the floor soil.
And root fabric shielding Chi up a support frame provided on the lower surface of the plate, the support off the definitive on the lower surface of said plate
Air bearings and air piping provided between the
Characterized in that it comprises an air levitation system that.

[0010] The traveling water supply system includes a steel frame having a predetermined span and a steel frame provided at both ends of the steel frame in a direction perpendicular to the longitudinal direction of the steel frame when the steel frame is located above the natural turf. And a water supply pipe mounted along the steel frame and provided with a large number of nozzles that are attached along the steel frame and spray water or fertilizer from the outside at intervals in the longitudinal direction of the steel frame. Use things. Further, the traveling water supply system device may be provided with a lighting device for supplementary light.

The plate of the natural turf pallet is a deck plate or the like, and its concave portion is used as a drainage groove. A perforated pipe or the like is provided at an end of the drainage groove to guide water so that water can be drained from the drainage pipe to the outside. I do. The drainage amount adjusting function is configured by attaching an adjusting valve to the drainage pipe.

The air levitation system includes a large number of air bearings arranged on the lower surface of the plate, and air piping for supplying air to the air bearings. In addition, a special cloth is provided at the pallet joint end to structurally stabilize the floor soil and prevent rooting when the pallet is separated.

In the above configuration, the movable natural turf pallet is moved by air levitation, and a large number of the natural turf pallets are spread indoors to form a natural turf ground for a predetermined purpose. In accordance with the natural outdoor climate, mobile turf pallets installed inside the dome building are moved to the outside by air levitation to provide the environment necessary for curing, and snowfall areas that were previously considered impossible To grow natural grass. When using or during heavy snowfall, return the mobile natural grass pallet indoors.

In a use state indoors or a curing state outdoors, the traveling water supply system is driven to spray water, fertilizer, and the like from a plurality of nozzles of a water supply pipe. Water is automatically and uniformly sprayed on the natural grass. The water absorbed in the floor of the natural turf pallet is collected at the end through a plurality of drains, from which it is automatically drained to the outside. There is no need to bury water supply pipes and drain pipes on the natural turf pallet, so the natural turf pallet can be made simple and lightweight, and there is no connection or disconnection of piping when joining and separating pallets. it can.

The amount of drainage from the natural turf pallet is adjusted by adjusting the drain valve. By adjusting the amount of drainage, the labor for watering can be reduced, and the water and fertilizer can be effectively used. In addition, the special cloth at the end of the pallet prevents natural grass from getting stuck,
Pallets can be easily separated. Furthermore, in the case where the lighting device for supplementary light is provided in the traveling water supply system device, insufficient sunshine time or insufficient illuminance can be solved.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to an embodiment shown in the drawings. FIG. 1 shows a movable natural grass ground and a movable natural grass pallet according to the present invention. FIG. 2 is a partial detailed view of the movable natural grass pallet, and FIG. 3 shows an air levitation system of the movable natural grass pallet. FIG. 4 shows an outline of a mobile natural grass ground system according to the present invention.

As shown in FIG. 1 (a), the natural turf ground is a mobile type having an appropriate plane size in view of maintenance and management of the natural turf and multipurpose use (sports such as soccer and other events). Divide into natural grass pallets 1. The movable natural grass pallet 1 has a length L = 3, for example.
The required area of the soccer ground can be ensured by forming a flat plate unit having a width of about 0 m and a width W of about 20 m and bonding 16 units of the pallet.

As shown in FIGS. 1 and 2, the movable natural turf pallet 1 mainly has a deck plate 2 on which the floor soil B of the natural turf A is deposited and a deck plate 2 for maintaining the rigidity of the deck plate. A plurality of supporting frames (H-section steel) 3.
A sealing material 4 is attached to the upper surface of the deck plate 2, and the recesses are filled with gravel or the like by using the unevenness of the deck plate 2 to form a drain groove 2a. Gives the function of a tube.

The water collected by the drain 2a is collected, for example, in a perforated pipe (special double pipe) provided on the side of the pallet, and can be discharged to the outside by a drain pipe provided at a predetermined position. The perforated pipe is disposed so as to be orthogonal to the drain groove 2a, and the drain pipe is disposed below the perforated pipe. Further, an adjustment valve capable of adjusting the amount of drainage is attached to the drain pipe.

For supplying water to the mobile natural grass pallet 1, a traveling water supply system device is used. In this traveling water supply system device, for example, a truss-type steel frame of a predetermined span, a self-propelled traveling device provided at both ends of the steel frame, and a water supply pipe having a number of pressure adjusting nozzles, It consists of an externally installed water tank or water source, chemical (fertilizer) tank and automatic control panel, a lighting device for supplementary light, and a reel for introducing water, chemicals, and electricity into the main unit that moves from outside. Use the device.

The span of the steel frame is made longer than the width of the movable natural turf pallet 1 so that water or the like can be sprayed evenly over the entire natural turf pallet. The traveling device includes a support leg suspended downward at both ends of the steel frame to hold the steel frame at a predetermined position above the natural turf, and a traveling tire attached to a lower portion of the support leg. And a traveling motor (about 3 kW) for self-propelling. A pair of left and right running tires are arranged at an interval in the front and rear so as to enable stable running, and a running device for an intermediate fulcrum is provided in the middle of the steel frame as needed.

The water supply pipe is disposed along the lower chord of the steel frame using a flexible pipe or the like having a closed end.
A large number of pressure adjusting nozzles are attached to the lower surface of the pipe at intervals in the longitudinal direction of the steel frame so that water can be uniformly sprayed over the entire width of the movable natural grass pallet 1 by the pressure adjusting nozzles. Also, a large number of lighting devices for supplementary light are attached at intervals in the longitudinal direction of the steel frame so that light is uniformly applied.

A water supply hose for supplying water and a medicine hose for supplying a medicine are wound around the reel, so that water or a medicine can be supplied to a water supply pipe via a rotating shaft of the reel. In addition, an electric / control cable is also wound around, and power can be supplied to a traveling motor and a lighting device for supplementary light, and automatic traveling control and automatic water supply control can be performed by computer control of an automatic control panel.

In this traveling water supply system apparatus, a steel frame having a predetermined span disposed above a natural turf ground is run in a direction perpendicular to the longitudinal direction of the steel frame, and a plurality of steel frames are spaced apart in the longitudinal direction of the steel frame. Water or fertilizer is sprayed onto the natural turf from the nozzles provided, and water and the like can be sprayed uniformly and efficiently over the natural turf.

Since the movable natural turf pallet 1 has a large weight of about 500 tons in this embodiment, the air levitation system 5 is used to move the pallet 1 smoothly and quickly.
Use As shown in FIGS. 2 and 3, the air levitation system 5 includes a large number of air bearings 6, an air pipe 7 for supplying air to the air bearings, and the like, and is provided on the lower surface of the deck plate 2.

The air bearing 6 comprises a frame 6a and a diaphragm 6b. As shown in FIG. 2 (b), the compressed air stored in the diaphragm 6b is blown out from a small hole to the outside, so that a gap between the diaphragm and the floor surface is formed. The movable natural grass pallet 1 is provided with about 50 (48 in this embodiment) air bearings 6 in which an air film is formed to move heavy objects in all directions with a small force. I do. The air bearing 6 has its mounting plate 6c supported by the support frames 3 '(the support frame 3 and the support frame 3' at the joint ends) provided at both ends.

As shown in FIG. 3, the air pipe 7 comprises a main air pipe 7a and a plurality of branch pipes 7b branching therefrom. A supply hose 8 from a compressor is connected to the main air pipe 7a via a one-touch joint 9. Connecting. In addition,
One unit of the air bearing 6 is divided into two groups, and two systems of the air piping 7 and the like are provided.

As shown in FIG. 2 (c), a side plate 10 and a base cloth 11 are provided on the four joining end faces of the movable natural grass pallet 1. The side plate 10 is reinforced with ribs as necessary, and its upper end is positioned below the upper surface of the floor soil B (for example, about 10 cm) so as not to hinder the play of soccer or the like, and to ensure the playing quality. The root shielding cloth 11 is attached to the inner surface of the side plate 10 and rises up to the upper surface of the floor soil B, stabilizes the floor soil B structurally, and prevents the natural turf A from becoming rooted when the pallet is separated. Further, the shielding fabric 11
Special floor soil (hechimalon + sand) B '
Is used to prevent the floor soil from collapsing at the joint end and to maintain the smoothness of the joint surface.

(1) The movable natural turf pallet 1 having the above-described structure is used, and the movable natural turf pallet 1 is moved by air levitation to spread a large number of natural turf pallets in the dome building to form a natural turf ground. Since it is a pallet-type moving system by air levitation, it can be easily changed to a multipurpose sports facility such as tennis court, cricket, and handball according to the purpose. In addition, because the natural grass ground is a pallet-divided type and air-floating type, it is easy to replace grass in areas where the grass is most likely to deteriorate (such as near the center) in soccer fields, etc., without affecting the game schedule etc. Can be.

(2) As shown in FIG. 4, the movable natural turf pallet 1 installed inside the dome building or under the eaves is moved to the outside by air levitation according to the natural climatic condition (in fine weather, etc.). To provide the necessary environment for curing. Return to indoors during use or during heavy snowfall.

As a result, it is possible to grow natural grass in snowy or cold regions, which has been impossible in the past.
The movable natural turf pallet 1 can be moved in any direction without friction because the entire unit is lifted by the blown air, so that the pallet can be moved to a predetermined position in a short time and with a small force. This allows
The pallet can be horizontally moved to an arbitrary position, which is impossible with the conventional rail type, and the pallet can be moved at a lower cost and in a shorter time than the conventional hydraulic type or gear type.

(3) The traveling water supply system device straddles the width direction of the pallet 1 with respect to the mobile natural turf pallet 1 in a used state laid in the sports ground or moved outside the ground and set. The water is automatically sprayed by the pressure adjusting nozzle while being automatically run by the running device. Spray fertilizer instead of water as needed. With such a traveling water supply system device, it is possible to uniformly and efficiently supply water or fertilize the natural turf, to eliminate manual spraying,
The running cost and work time can be significantly reduced. In addition, uniform spraying becomes possible, and there is no adverse effect on natural grass. In addition, by providing a lighting device for supplementary light in the traveling water supply system device and turning on the lighting device for automatic traveling, it is possible to eliminate insufficient sunshine time and insufficient illuminance.

(4) The water absorbed and retained in the floor soil of the mobile natural turf pallet 1 is collected in the perforated pipe at the end through the drain 2a, and is automatically discharged to the outside by the drain. Is discharged. The use of such a drainage mechanism and a traveling water supply system device eliminates the need for a water supply pipe and a drain pipe in the pallet, so that the pallet can be made simple and lightweight, and the pallet can be joined and connected. Connection of piping for separation
Blocking can be omitted altogether, and work efficiency can be improved. In addition, by attaching an adjustment valve to the drain pipe, the amount of drainage can be adjusted, the labor for watering can be reduced, and the effective use of water, fertilizer, and the like can be achieved.

Furthermore, when the natural turf is in close contact for a certain period of time, root entanglement occurs and it is difficult to separate the turf without hindering the growth of the turf. This can be solved. In addition, by providing the root shielding cloth and special floor soil at the joint end, a smooth and continuous turf is formed at the joint of the pallets, so that there is no hindrance to playing soccer or the like.

[0035]

The mobile natural turf ground system apparatus and the mobile natural turf pallet according to the present invention are constructed as described above, and have the following effects.

(1) The movable natural turf pallet installed in the dome building or the like is moved outside according to the natural climatic condition,
The environment required for curing can be provided, and natural turf can be cultivated in snowy areas, which was previously impossible, and can be used throughout the year in snowy areas and cold areas. A turf ground can be provided.

(2) Since the movable natural grass pallet is moved by air levitation, it can be horizontally moved in all directions with a small force, and requires a large amount of manpower and time like the conventionally used cassette turf type natural grass. , And the natural turf pallet can be easily moved to an arbitrary position in a short time at low cost.

(3) The mobile natural turf pallet allows quick and easy replacement of lawn in the most deteriorated area such as a soccer field, and easily changes to a sports facility or event facility according to the purpose. be able to.

(4) Water supply / fertilization, etc., by the traveling water supply system device can supply water to the natural turf or fertilize the water uniformly and efficiently, and can eliminate the spraying by hand, and run. The cost and work time can be significantly reduced, and by using the unevenness of the plate of the pallet as a drainage groove, there is no need for water supply pipes and drainage pipes inside the pallet, making the pallet simple and lightweight. And pallet connection
At the time of separation, connection / disconnection of piping can be omitted altogether, and efficiency of installation / separation work can be improved.
In addition, since the amount of watering can be adjusted, it is possible to reduce labor for watering and to effectively use water or fertilizer. Further, by providing a root shielding cloth or the like at the pallet joint end, it is possible to eliminate root skewing at the time of pallet separation.

[Brief description of the drawings]

FIG. 1A is a plan view showing an entire installed natural turf pallet according to the present invention, FIG.
(C) is a side view.

2A is a cross-sectional view showing a joined state of a movable natural grass pallet according to the present invention, FIG. 2B is a schematic view showing a structure of an air bearing, and FIG. It is sectional drawing which shows the detail of a part.

3 (a) is a plan view and FIG. 3 (b) is a sectional view showing an air levitation system for a movable natural grass pallet according to the present invention.

FIG. 4 is a schematic perspective view showing a mobile natural turf ground system according to the present invention.

FIG. 5 is a schematic perspective view showing a conventional soccer stadium, in which (a) is a closed type and (b) is an open type.

[Explanation of symbols]

 A: Natural grass B: Floor soil 1: Mobile natural grass pallet 2 ... Deck plate 2a ... Drainage groove 3 ... Support frame 4 ... Sealing material 5 ... Air levitation system 6 ... Air bearing 6a ... Frame 6b Diaphragm 7 Air piping 8 Supply hose 9 One-touch joint 10 Side plate 11 Root shielding cloth

Continuation of the front page (51) Int.Cl. ⁷ Identification code FI A63C 19/02 A63C 19/02 E01C 13/00 E01C 13/00 A (72) Inventor Yasuhisa Tsuruta 1-2-7 Moto-Akasaka, Minato-ku, Tokyo No. Kashima Construction Co., Ltd. (72) Inventor Masahiro Tomioka 1-1-1, Wadazakicho, Hyogo-ku, Kobe-shi, Hyogo Prefecture Inside Mitsubishi Heavy Industries, Ltd.Kobe Shipyard (72) Inventor Eisuke Okano Wadazaki, Hyogo-ku, Hyogo Prefecture 1-1 1-1, Machi Kobe Shipyard, Mitsubishi Heavy Industries, Ltd. (56) References JP-A-6-343350 (JP, A) JP-A-1-120226 (JP, A) JP-A-7-124286 (JP, A) Japanese Utility Model Hei 4-62043 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) A04G 1/00 301 A04G 1/12 A04G 7/00 602 A04G 25/09

Claims (2)

(57) [Claims] 1. A natural turf ground is divided into natural turf pallets having a predetermined plane size, and a plurality of drain grooves are formed on an upper surface of the natural turf pallet by filling a concave portion of an uneven plate with gravel or the like. Further, a perforated pipe for collecting water passing through the drain groove is provided on a side portion of the uneven plate so as to be orthogonal to the drain groove, and a drain pipe and an adjustment valve for discharging collected water to the outside are provided in the perforated pipe. A plate provided on the floor, and floor soil deposited on the plate,
A natural turf provided on the floor soil, a shielding fabric attached to an inner surface of a side plate provided on a joint end face of the plate and rising to an upper surface of the floor soil, and a support frame provided on a lower surface of the plate, An air levitation system including an air bearing and an air pipe provided between the support frames on the lower surface of the plate, and a plurality of natural turf pallets are laid indoors, and the natural turf pallets are air buoyed according to natural climatic conditions. To move outdoors,
A mobile natural turf ground system device characterized in that natural turf is cured outdoors and water or fertilizer is sprayed on a natural turf pallet using a running water supply system device indoors or outdoors. 2. A plurality of drainage grooves are formed on the upper surface by filling the recesses of the unevenness plate with gravel or the like, and a plurality of porous tubes for collecting water passing through the drainage grooves are formed so as to be orthogonal to the drainage grooves. A plate provided on the perforated tube with a drain pipe and an adjustment valve provided on the side of the plate and discharging the collected water to the outside, floor soil deposited on the plate, and on the floor soil Natural turf to be provided, a shield fabric attached to an inner surface of a side plate provided at a joint end face of the plate and rising up to an upper surface of the floor soil, a support frame provided at a lower surface of the plate, and a lower surface of the plate. A mobile natural turf pallet comprising an air levitation system including an air bearing and an air pipe provided between the support frames.