JPH0656022B2 - Greening method and spray nozzle device on inclined surface - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a greening method and a spray nozzle device on a sloped surface such as a rock or a sandy land where the growth conditions of plants are bad.

[Prior Art] Conventionally, a texol method has been known for growing soil by covering soil on slopes such as bedrock, soft rock with little soil, or sand. This Texol method will be described with reference to FIG. The piled sand (1) is sent to the hopper (3) by the belt conveyor (2), and the compressed air supplied from the compressor (5) is sent from the hopper (3) to the spraying machine (4). As a result, the hose (6) of the spraying machine (4) is pneumatically fed to reach the spraying nozzle (7). Further, the water stored in the water tank (8) is pressurized by the high-pressure pump (9) to become high-pressure water, and is sprayed through the ejector (10). On the other hand, a bobbin (12) wound with continuous filaments (11) is attached to a plurality of thread feeders (13), and the continuous filaments (11) (11) fed from the thread feeders (13) ... When it is inserted into 10), the continuous filaments (11) (11) ... Are pulled out forward by the high pressure water. Thus, the sand (1) sprayed from the spray nozzle (7) and the continuous filaments (11) (11) delivered from the edgy ecta (10) are sprayed on the spray surface (14). The reinforcing structure layer (15) is formed while being mixed in. Reference numeral (16) in the figure denotes a generator, which generates drive power for the belt conveyor (2), the spraying machine (4) and the high pressure pump (9).

Therefore, as shown in FIG. 8, the worker (17) grips the hose (6) and tilts the spray surface (14) from the spray nozzle (7).
If sand (1) is sprayed, the sand (1) and continuous filaments (11) (11) ...
And are mixed. At that time, the sand particles and the continuous long fibers (11) are joined by frictional force, and when they are stressed and deformed, the continuous long fibers (11) act as a tensile reinforcing material, so that a binding force is generated in the sand. As a result, it also has a property that the adhesive force is added. Such continuous filaments (1
1) (11) ... Reinforcing structure layers (15) are formed one after another. Then, plant seeds were directly sprayed onto the reinforcing structure layer (15).

[Problems to be Solved by the Invention] Reinforcing structure layer (15) formed by the conventional Texol method
Since it is made of sand (1), it has no water retention and is easy to dry, and the soil temperature is quite high in the summer, making it unsuitable for plant growth. It is possible. Further, as shown in FIG. 9, when the concentrated water occurs, the width (W) of the depression (18) is not expanded, but the depth (D) is eroded. Therefore, as shown in FIG.
It was necessary to provide a convex part called (19) to prevent concentrated water from occurring.

Furthermore, spraying sand (1) manually and continuous filaments (11) (11) ...
Multiple workers are required to spray the fiber, and if the distance between the bobbin (12) installation location and the continuous filament (11) (11) ... It became difficult to prevent the entanglement, and the air resistance acting on the fibers hindered the supply of continuous long fibers (11) (11).

Therefore, technical problems that should be solved in order to measure the greening of the slope will be created by mixing the soil and continuous filaments on the slope where the growth conditions of plants such as bedrock are not good. Therefore, an object of the present invention is to solve this problem.

[Means for Solving the Problem] The present invention has been proposed in order to achieve the above-mentioned object, and pneumatically feeds a soil containing a predetermined amount of water to a spray nozzle by a compressor. Along with this, a plurality of bobbins wound with continuous filaments were mounted on the operator so that they could be worn over the shoulder, and the continuous filaments were fed into the spray nozzle from each bobbin, and the continuous filaments were mixed from the spray nozzle. A soil layer is formed by spraying soil on the soil, and a greening method on an inclined surface, and a plurality of holes are opened in an outer cylinder having a double pipe structure, and continuous filaments are formed from the holes. It is inserted and fed into the gap between the outer cylinder and the inner cylinder, and a hose for compressing the soil is connected to the rear portion of the outer cylinder, and the soil and continuous filaments are mixed from the tip of the outer cylinder. It is intended to provide a spray nozzle device characterized by being formed so that it can be sprayed. It is a thing.

[Operation] According to the present invention, the soil containing water in a predetermined ratio is pressure-fed to the blowing nozzle together with the air, and the continuous filaments are fed into the blowing nozzle from the bobbin mounted on the shoulder of the operator. ing. The spray nozzle has a double pipe structure, and the continuous filaments inserted through the holes of the outer cylinder are fed into the gap between the outer cylinder and the inner cylinder. Then, since the soil is pumped from the hose connected to the rear part of the outer cylinder and passes through the inner cylinder, the gap becomes negative pressure, and the continuous long fibers are sucked into the inside from the holes of the outer cylinder one after another. is there. Thus, the soil containing the continuous filaments can be sprayed from the tip of the spray nozzle to the inclined surface.

Here, since a plurality of bobbins wound with continuous long fibers can be mounted on the shoulder of the worker, the worker can hold the spray nozzle and perform the spraying work by himself and install the bobbin. Since the position and the spraying position of the continuous filaments are close to each other, the entanglement of the continuous filaments can be prevented,
The air resistance acting on continuous filaments can be kept low. Further, the continuous filaments mixed in the soil and sprayed on the inclined surface give a restraining force to the soil. Therefore, a stable soil layer can be formed on the slope.

[Embodiment] An embodiment of the present invention will be described in detail below with reference to FIGS. FIG. 1 shows the outline of the greening method of the present invention.
Put it in (21), and use the belt conveyor (22a) to lighten the weight (K).
The soil (20) is sent to the spraying machine (23) by a belt conveyor (22b) after being weighed. Further, a predetermined amount of water stored in the water tank (24) is sent to the spraying machine (23) and mixed into the soil (20), and compressed air is sprayed by the compressor (25) (23). By sending it to the soil (20),
Air is sent to the spray nozzle (27) through the inside of (26).
Incidentally, reference numeral (28) in the figure denotes a generator.

Next, the spray nozzle device will be described with reference to FIG. The spray nozzle (27) has a double pipe structure, and the inner cylinder (30) is provided at the inner rear portion of the outer cylinder (29). A plurality of holes (31) (31) ... Are opened in the outer cylinder (29), and continuous long fibers (32) (32) ... are formed from the holes (31) (31). It is inserted into the gap (33) between the (29) and the inner cylinder (30). And the outer cylinder
A flange portion (34) is provided on the rear portion of (29) to connect the hose (26). In addition, as shown in FIG. 3 and FIG. 4, the reinforcing bar (35) is welded to the inside of the spray nozzle (27) and the soil (2)
You may form so that the continuous long fiber (32) (32) ... may be mixed in 0).

Here, referring to FIG. 5, the threaded shoulder (36) which is a means for supplying the continuous filaments (32) will be described. In this thread holder (36), a plurality of units (38) (38) ... are mounted side by side between the frames (37) (37), and the units (38) (38) ... Each bobbin (not shown) around which the long fiber (32) is wound is built in. The frames (37) (37) are formed so that they can be hung on the shoulders, and each unit (38) (3)
8) The continuous filaments (32) (32) wound around the bobbin are fed through the guides (G) (G) on the upper side.

Then, as shown in FIG. 1, the worker (39) carries the thread shoulder (36) on his shoulders and the spray nozzle (2).
It is located on the inclined surface (41) while gripping 7) and being supported by the lifeline (40). As described above, the continuous filaments (32) (32) delivered from the thread holder (36) are inserted into the holes (31) (31) of the spray nozzle (27). Then, the soil (20) pneumatically fed by the compressor (25) from the spraying machine (23) at a pressure of about 3 to 4 kgf / cm ² passes through the hose (26) and the spraying nozzle ( It is sent to the inner cylinder (30) of 27). At that time, since the spray nozzle (27) has a double pipe structure,
Negative pressure is applied to the gap (33) between the outer cylinder (29) and the inner cylinder (30), and the outer cylinder
The continuous long fibers (32), (32), ... Are sucked into the inside of the holes (31), (31) ,. In this example, 16 units (38) were provided on the threaded shoulder (36) to form continuous long fibers (32).
16 of them and feed holes (3
1) (31) (31) (31) is opened and four continuous filaments (32) (32) (32) (32) are merged and inserted into one hole (31) There is. In addition, the amount of the continuous filaments (32) (32) ... mixed is about 0.03 to 0.05% (volume ratio) with respect to the amount of soil, and 100% polyester untwisted yarn (Filament 30 to 48) is used. It is desirable to do. This is because when continuous filaments (32) (32) ... are pulled at a speed of 15 to 20 m / sec, they are decomposed into a large number of filaments and mixed in the soil (20) with high density. Because. However, polyethylene fiber, carbon fiber, metal fiber and the like can be used without being particularly limited to these.

In this way, the continuous filaments (32) (32) sucked into the gap (33) of the spray nozzle (27) are transferred to the soil inside the spray nozzle (27).
It is mixed with (20) and sprayed from the tip to the inclined surface (41). Then, the soil (20) and the continuous filaments (32) are bonded by frictional force, and when they are stressed and deformed, the continuous filaments (3)
2) acts as a tensile reinforcement material, so that the soil (20)
A binding force is generated in the soil, and a soil layer (42) is formed to which adhesive force is added. The worker (39) is supported by the lifeline (40), and in order from the top of the inclined surface (41) to the bottom, the soil layer (42)
Is formed. Therefore, the soil layer (42) can be formed on the slope (41) where the growth conditions of plants such as rock and sand are not good. The seeds of the plant are preferably mixed in the soil (20) together with the fertilizer and the erosion inhibitor in advance, but the seeds may be sprayed after forming the soil layer (42). This makes it possible to green the inclined surface.

The spray nozzle device of the present invention can also spray sand, and has an inclined surface of soft rock having a recess (43) as shown in FIG.
In (41), first, the recess (43) is filled with the texol method. Then, if the soil layer (42) is formed on the surface by the greening method of the present invention, greening can be easily performed.

The present invention can be variously modified without departing from the spirit thereof, and the present invention naturally extends to it.

[Effects of the Invention] As described in detail in the above one embodiment, the present invention has the double nozzle structure for the spray nozzle, so that negative pressure is generated in the gap between the outer cylinder and the inner cylinder, so Inhale continuous long fibers. Therefore, continuous continuous fibers can be sequentially mixed into the soil that has been pumped through the hose and sprayed onto the inclined surface. The continuous long fibers in the sprayed soil act as a tensile reinforcing material, and a soil layer is stably formed on the inclined surface. In addition, since the continuous long-fiber bobbin is attached to the operator so that it can be worn over the shoulder,
The blowing operation can be performed by one worker concerned, the installation position of the bobbin and the blowing position of the continuous filament can be close to each other, the entanglement of the continuous filament can be prevented, and the air acting on the continuous filament can be prevented. Resistance can be kept low.

Moreover, unlike the conventional method, the soil layer can be directly formed on the inclined surface, the construction period for revegetation can be significantly shortened, and the soil layer which is hard to flow against rainfall can be formed.

[Brief description of drawings]

1 to 6 show an embodiment of the present invention. FIG. 1 is an explanatory view showing an outline of a greening method, FIG. 2 is a longitudinal sectional view of a main portion of a spray nozzle device, FIG. 3 is a vertical sectional view of a main portion which is a modified example of FIG. 2, and FIG. FIG. 3 is an end view of a cross section taken along the line AA in FIG. 3, FIG. 5 is a perspective view of Sledsjorda, and FIG. 6 is a longitudinal cross-sectional view of a main portion showing a state in which a soil layer is provided on an inclined surface having a recess. . 7 to 10 show a conventional example, FIG. 7 is an explanatory view showing the outline of the texol method, and FIG. 8 is a longitudinal sectional view of a main part showing a working state on an inclined surface. FIG. 9 is a longitudinal sectional view of an essential part showing a depression, and FIG. 10 is a longitudinal sectional view of an essential part showing a mounting. (20) …… Customer soil, (23) …… Spraying machine (24) …… Water tank, (25) …… Complexer (26) …… Hose, (27) …… Spraying nozzle (29) …… Outer cylinder, (30) …… Inner cylinder (31) …… Hole, (32) …… Continuous filament (33) …… Gap, (35) …… Reinforcing bar (39) …… Worker, (41) …… Slope (42) …… Soil layer

Claims (2)

[Claims] 1. A soil containing a predetermined amount of water is pneumatically fed to a spray nozzle by a compressor, and a plurality of bobbins wound with continuous filaments are attached to an operator so that they can be worn on the shoulder. Continuous green fibers are fed out from each bobbin into the spray nozzle, and the soil containing the continuous long fibers is sprayed from the spray nozzle to form a soil layer, and greening on the inclined surface. Construction method. 2. A plurality of holes are opened in an outer cylinder having a double pipe structure,
The continuous filaments are inserted through the hole and fed into the gap between the outer cylinder and the inner cylinder, and a hose for compressing the soil is connected to the rear part of the outer cylinder, and the tip of the outer cylinder is connected to the soil. A continuous filament is mixed and formed so as to be sprayable.
(1) The spray nozzle device described above.