JPH07298819A - Liquid chemical scattering apparatus utilizing sprinkler - Google Patents

Abstract

PURPOSE:To provide a liquid chemical scattering apparatus enabling the scattering of a liquid chemical over a wide area in golf links, etc., using a sprinkler and having a self-propelled liquid chemical supplying apparatus provided with a liquid chemical tank. CONSTITUTION:A water-sprinkling apparatus A is constructed by connecting an end of a water-pipe 1 to a water source and the other end to a sprinkler 2. A part of the water pipe 1 has a venturi part 5, which is connected to a self-propelled liquid chemical supplying apparatus B provided with a liquid chemical tank 3 and a force-feeding apparatus 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention uses a sprinkler capable of spraying a chemical solution over a wide area by using a sprinkler, for example, at a golf course, etc. The present invention relates to a chemical liquid spraying device.

[0002]

2. Description of the Related Art Conventionally, in the case of spraying chemicals or fertilizers on a golf course or the like, the chemicals or fertilizers are liquefied and filled in a chemical tank, and the traveling work machine is equipped with the chemical tank and the chemical spraying device. It was installed and was spraying chemicals while traveling inside the golf course with the same traveling machine.

[0003]

However, the above-mentioned method for spraying the chemical liquid by the traveling working machine still has the following problems.

That is, in a vast land such as a golf course,
There is a problem that it is difficult to drive the traveling work machine evenly, unevenness is caused in the spraying of the chemical solution in the course, and uniform fertilization and sterilization cannot be performed.

Therefore, the lawn in some places is underdeveloped or affected by diseases, which makes course management difficult.

[0006] Further, there is a problem in that if it is attempted to apply the powder evenly, it takes a lot of time for the spraying work, resulting in a high labor cost.

An object of the present invention is to provide a chemical liquid spraying device using a sprinkler capable of solving the above problems.

[0008]

According to the present invention, one end of a water supply pipe is connected to a water source and the other end is connected to a sprinkler to form a water sprinkling device, while a chemical liquid supply device including a chemical liquid tank and a pressure feeding device is provided. A chemical liquid spraying device using a sprinkler, which is configured to be runnable and has a part of the water supply pipe as a venturi part, and the venturi part and the chemical liquid supply device can communicate with each other. Is.

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

Reference numeral S shown in FIG. 1 denotes a chemical liquid spraying device using the sprinkler according to the present invention.
Is the water source at one end of the water pipe 1 and the sprinkler 2 at the other end.
While the water sprinkling device A is connected to the water spouting device A, the chemical liquid mixing device B including the chemical liquid tank 3 and the pressure feeding device 4 is configured to be self-propelled, and a part of the water feeding pipe 1 is not provided with the venturi portion 5. The venturi portion 5 and the chemical liquid supply device B are communicable with each other.

That is, in the water sprinkler A of this embodiment, as shown in FIG. 1, the water pipe 1 is buried in the ground G of a golf course, and one end of the water pipe 1 is a pumping device such as a pump (not shown). Connection) to a water source (not shown), and a branch pipe 21 appropriately branched at the other end is connected and connected.
The sprinkler 2 is attached to the tip of 21.

The sprinkler 2 is constructed so as to be able to move up and down and rotate, and the water pressure associated with the water supply from the water supply pipe 1 causes the water spray nozzle 2b to project from the casing 2a buried in the ground G to the ground. Water is sprayed while rotating 2b at a constant speed so that it can be sprayed on the lawn as needed.
A flow control valve 1a is provided on the upstream side of the venturi section 5.

With such a structure, when water is sprayed on the lawn in the course of the golf course, if the water from the water source is sent at a constant pressure by the above-described pumping device such as a pump, an appropriate number of sprinklers 2 are used to cover a wide area. Watering can be done over.

On the other hand, as shown in FIG. 1 and FIG. 2, the chemical liquid supplying device B has a self-propelled structure having a traveling part 10. In this embodiment, the chemical liquid supplying device B is provided at the rear part of the golf cart 6 provided on the golf course. The chemical liquid mixing section 7 is mounted and configured.

That is, the chemical liquid mixing portion 7 is provided above the rear wheel 6b of the golf cart 6 so as not to project in the lateral direction of the golf cart 6. Therefore, the body balance is good, and the balance property during traveling is also good. In FIG. 1, 6a is a front wheel, 69 is a ceiling portion, 70 is a steering wheel, 71 is a seat, and 72 is a control pedal.

Further, the chemical liquid mixing portion 7 can be mounted by using a golf bag loading portion 60 formed at the rear portion of the golf cart 6, and the frame 11 to which the chemical liquid portion casing C is attached is mounted on the golf bag loading portion 60. It is designed to be detachably attached to.

A chemical liquid tank 3 is mounted on the upper part of the chemical liquid casing C as shown in FIG.
The tank 3 is communicatively connected to a pressure feeding device 4 arranged in the chemical liquid casing C via a chemical liquid supply pipe 12.

In the chemical liquid tank 3, as shown in FIG.
A chemical solution 8 in the form of liquid such as chemicals or fertilizer is filled, and the pressure feeding device 4 has a metal pressure feeding cylinder 13 and an inner bag 14 made of a stretchable material.

Chemical liquid supply pipe 12 connected to the pressure feeding device 4.
Is substantially connected to the inner bag 14 of the pressure feeding device 4, and therefore, the chemical liquid 8 is supplied from the chemical liquid tank 3 to the inner bag 14.

The chemical liquid supply pipe 12 extends from the chemical liquid tank 3, and a chemical liquid cock 15 is provided in the middle to open and close the flow path in the pipe. The chemical liquid supply pipe 12 branches from the downstream side of the chemical liquid cock 15 to The one branch pipe 12a and the second branch pipe 12b are formed.

The other end of the first branch pipe 12a is connected to the inner bag 14 of the pressure feeding device 4 through a one-touch coupler 81.

By providing the one-touch coupler 81, for example, when changing the type of the chemical solution 8, the inner bag 14
Even if it is necessary to take out the inner bag 14 from the pressure-feeding cylinder 13 for cleaning the inside, the inner bag 14 can be taken out very easily because it can be easily removed from the first branch pipe 12a.
Work efficiency increases. Reference numeral 26 is an air vent cock provided downstream of the chemical solution cock 15 of the chemical solution supply pipe 12.

On the other hand, the second branch pipe 12b is provided with an opening / closing cock 32 in the middle thereof, and is connected to the pressure-feeding hose 17 via the pressure-feeding hose reel 16 attached to the rear wall of the chemical liquid casing C. Therefore, the pressure-feeding hose 17 is the inner bag of the chemical liquid tank 3.
It will communicate with 14.

Further, a pressure-feeding cylinder 13 containing an inner bag 14
Is connected to a water absorption hose 19 through a water absorption hose reel 20. 18 is a pressure feeding cylinder 13 and a reel for a water absorption hose
A water absorption pipe for communicating with 20 and 85 is a check valve provided in the water absorption hose 19, and it is possible to confirm that water is being fed into the pressure feeding cylinder 13 by the check valve 85.

Both reels 16 and 20 are respectively pressure feed hoses.
17 and the water-absorbing hose 19 are freely wound, and when connecting the chemical solution feeder B to the sprinkler A, both hoses 17 and 19 are pulled out from the reels 16 and 20, respectively, and the hoses 17 and 19 are sprinkled. By connecting and communicating with the water supply pipe 1 of the device A, the drug solution can be sprayed from the drug solution supply device B from the sprinkler 2. 27 and 29 are the pressure-feeding hose cock, water-absorbing hose cock, 16a,
20a is a handle of the hose reel.

The hose reels 16 and 20 are
As shown in FIG. 3, the hose reels 16 and 20 are arranged side by side at the rear end of the liquid medicine casing C, and are arranged within the left and right width of the golf cart 6. Therefore, the golf cart 6 does not stick out in the left-right width direction, and it is possible to drive in a small turn.

In FIG. 1 and FIG. 2, 22 is an overflow pipe extending from the upper side of the pressure feeding cylinder 13 forming the pressure feeding device 4 and having an overflow cock 23 at the tip, and 24 is from the lower side of the pressure feeding cylinder 13. It is a drain hose which is extended and has a water draining cock 25 at the tip.

In the above structure, the chemical liquid supply device B and the water spray device A are connected to each other when the chemical liquid 8 is sprayed by using the sprinkler 2 via a pressure feed hose 17 and a water suction hose 19.

That is, each hose 17, 19 is constructed so as to communicate with the venturi portion 5 provided in the water supply pipe 1 for mixing the chemical liquid. The venturi portion 5 is the subject matter of the present invention, and will be described below with reference to FIGS. 1 and 2.

As shown in FIG. 1, the venturi portion 5 is formed in a part of the water pipe 1, and in this embodiment, the water pipe 1 is formed.
A Venturi tube 31 is directly provided in the middle of the
The chemical liquid sent from the chemical liquid supply device B can be mixed.

That is, a venturi pipe 31 is disposed in a connection box 30 having a lid (not shown) provided on the upper part exposed on the surface of the ground, and water supply pipes 1 and 1 are connected to both ends of the venturi pipe 31. ing.

As described above, since the Venturi pipe 31 is directly provided in the water supply pipe 1, the pressure loss is small even when the chemical liquid supply device B is used to spray the chemical liquid or when only the water is sprinkled. The same is the case, and the spraying performance from the sprinkler 2 does not change regardless of whether the chemical solution is sprayed or simply sprinkled.

Further, as shown in FIG. 2, the Venturi tube 31
The pressure feed port 34 is provided so as to face the throttle portion 33, and the water feed port 35 is provided on the upstream side of the pressure feed port 34 and slightly before the throttle portion 33. In addition, couplers 36 and 36 for connecting hoses are provided at both ports 34 and 35.

With the above structure, when connecting the pressure-feeding hose 17 and the water-absorbing hose 19 to the Venturi pipe 31, the lid is opened and the couplers provided at the pressure-feeding port 34 and the water-feeding port 35 are connected.
The ends of each hose 17,19 can be easily connected to 36,36.

By the way, as a method of providing the venturi portion 5, it is conceivable to provide a bypass passage in the middle of the water supply pipe 1 and to arrange the venturi pipe 31 in the middle of the bypass passage. It is necessary to provide a sluice valve such as a solenoid valve and an on-off valve in order to switch the water supply.

In a golf course or the like, many sprinklers 2 are arranged around the green, and
For convenience of operation, the sluice valve is provided near the sprinkler 2.

In the chemical liquid spraying device S according to the present invention, since the venturi pipe 31 is provided directly in the middle of the water supply pipe 1, a sluice valve is not required and the construction is simple. Is unnecessary and the operation is easy and the operability is good.

Further, since it is not necessary to arrange a sluice valve or the like around the green, the aesthetic appearance around the green is not spoiled.

Here, the case of actually spraying the chemical liquid 8 using the sprinkler 2 will be described below with reference to FIGS. 1 and 2.

First, as preparations for the spraying work, the cocks of the chemical solution feeder B, that is, the chemical solution cock 15, the overflow cock 23, the water draining cock 25, the pressure feeding / water absorbing hose cock.
27 and 29 are closed, and then the chemical solution 8 prepared in advance is stored in the chemical solution tank 3.

Next, the overflow cock 23 is opened, the water suction hose 19 is connected to a tap, and the water suction hose cock 29 is opened to inject water into the pressure feeding cylinder 13 of the pressure feeding device 4.

This is for removing air from the pressure-feeding cylinder 13, water is injected until the water flows out from the overflow cock 23, then the water-absorbing hose cock 29 is closed and the water-absorbing hose 19 is removed from the tap. At this time, the water absorption hose 19
Be careful not to let air into the hose 19.

Next, the chemical liquid supply pipe 12 and the pressure feed hose 17 are filled with the chemical liquid 8, and the inner bag 14 of the pressure feed device 4 is filled with the chemical liquid.

As the procedure, first, the chemical solution cock 15 is opened, and then the pressure supply hose cock 27 is opened to fill the chemical solution 8 in the chemical solution tank 8 with the chemical solution 8 in the chemical solution supply pipe 12 and the pressure supply hose 17 while The bag 14 is filled with the drug solution.

At this time, as the chemical solution 8 fills the inner bag 14, the inner bag 14 expands while pushing out the water remaining in the pressure-feeding cylinder 13, but the overflow cock 23 completely removes the water. The chemical solution 8 is supplied until it comes out.

Thereafter, the pressure-feeding hose cock 27 is closed, taking care that air does not enter the pressure-feeding hose 17, and the overflow cock 23 is closed, and the chemical solution cock 15 is closed to complete the chemical solution filling.

By carrying out the above-mentioned operations, the preparation for spraying the chemical solution is completed, and in order to spray the chemical solution on the course of the golf course, the chemical solution supply device B is moved to a desired position and the connection box 30 of the sprinkler device A is used. Position it in the vicinity.

Then, the lid of the connection box 30 described above is opened, the pressure-feeding hose 17 and the water-absorbing hose 19 are pulled out from the respective hose reels 16 and 20, and the pressure-feeding port 3 of the venturi pipe 31 is used.
4.Connect to the water inlet 35 via couplers 36 and 36, respectively, and further pressurize hose cock 27 and water suction hose cock.
Open 29.

When water is pressure-fed into the water supply pipe 1 by the above-mentioned procedure, in the venturi section 5, a part of the water is absorbed from the water supply port 35 of the venturi pipe 31 via the water absorption hose 19 to the water absorption pipe.
It is taken into the pressure-feeding cylinder 13 from 18 and the inner bag 14 is pressed by the water pressure.

The liquid medicine 8 is pressure-fed from the pressed inner bag 14, and the liquid medicine 8 is a first branch pipe 12a of the liquid medicine supply pipe 12.
Through the second branch pipe 12b to the pressure feeding port 34 of the venturi portion 5 via the pressure feeding hose 17.

Since the pressure feed port 34 is provided so as to face the throttle portion 33 where the water pressure of the Venturi pipe 31 is reduced, the throttle portion is the same.
Due to the negative pressure action generated in 33, the chemical liquid 8 is mixed into the venturi pipe 31 from the pressure feed port 34.

The chemical solution 8 mixed in the water is in an appropriately diluted state and is sprayed from the sprinkler 2 attached to the tip of the water supply pipe 1.

Since the venturi pipe 31 is directly provided on the water supply pipe 1 in the spraying state at this time, there is no difference from the spraying state of only water, and the chemical liquid can be sprayed over a wide range.

Next, the structure of the self-propelled chemical solution feeder B in this embodiment will be described below.

As shown in FIG. 4, the chemical liquid supply device B utilizes the golf cart 6, and as described above, the chemical liquid mixing portion 7 is the golf bag mounting portion 60 formed at the rear portion of the golf cart 6. It can be installed by using.

That is, with the chemical liquid mixing portion 7 as one unit, the chemical liquid casing C having the chemical liquid tank 3 mounted on the frame 11 is attached to the frame 11 so as to be detachably attached to the golf bag mounting portion 60. Is.

As shown in FIG. 4, the golf bag loading section 60
The bag loading frame mounting seat 61 is formed on the
The frame 11 of the chemical mixing unit 7 can be attached by sharing 61.

As a mounting method, a bag loading frame 68 (see FIG. 5)
(See) and remove it from the bag loading frame mounting seat 61.
The mounting part 62 provided on the frame 11 is fixed by the mounting bolts 64 so that the mounting part 63 provided on the lower end of the frame 11
May be fixed to the lower part of the rear end of the golf cart 6 with a mounting bolt 64.

As described above, since the existing golf cart 6 can be used, there is no need to newly purchase the chemical liquid feeder B at a golf course or the like, and a self-propelled chemical liquid feeder can be installed only by mounting the unit. B can be obtained, which is advantageous in terms of cost.

Further, as is clear from FIGS. 3 and 4, in the present embodiment, the chemical cock 15, the overflow cock 23, the water drain cock 25, the pressure feeding / water absorbing hose cocks 27, 2 are used.
9, the air bleeding cock 26, and the inner bag outlet 82 are provided so as to be concentrated on one side of the golf cart 6.

This may be on the driver's seat side or the passenger's seat side, but by providing it on one side in a concentrated manner, it is possible to eliminate unnecessary movement of the worker and improve the work efficiency.

FIG. 5 shows a chemical solution feeder B as another embodiment.

In this system, the chemical liquid mixing section 7 is mounted on a trailer T and is pulled by a golf cart 6.

As shown in FIG. 5, a traction device 65 is pivotally supported at the rear part of the golf cart 6, and a trailer T is connected to the rear part of the traction device 65 so as to be swingable vertically and horizontally. 66a,
66a is a connecting portion of the towing device 65.

The base T1 of the trailer T is equipped with a chemical solution mixing section 7. In this embodiment, a tank support 67 is formed on the front side of the base T1 and the tank support 67 supports the chemical solution tank 3 It is mounted so as to support.

At the lower rear portion of the same chemical liquid tank 3, a pressure feeding device 4, a pressure feeding hose reel 16 and a water absorbing hose reel are provided.
20 etc. are arranged.

With such a structure, the chemical liquid tank 3 can be made large in size to have a large capacity, and the working efficiency can be improved.

Moreover, it is not necessary to modify the golf cart 6 or remove the bag loading portion 60, and the work preparation of the chemical liquid feeder B is simplified and the work efficiency is improved.

Even in this case, it is possible to dispose the cocks centrally on one side. In FIG. 5, T2 is a trailer wheel.

[0070]

EFFECTS OF THE INVENTION One end of a water supply pipe is connected to a water source and the other end is connected to a sprinkler to form a water sprinkler, while a chemical liquid supply device equipped with a chemical liquid tank and a pressure feed device is configured to be self-propelled. Part of the water pipe is a venturi part,
By configuring the venturi part and the chemical solution supply device to communicate with each other, the pressure loss becomes the same even when spraying the chemical solution or when only spraying the water, and the spraying performance from the sprinkler can be achieved simply by spraying the chemical solution. Even if it exists, it does not change and can be spread over a wide range. In addition, the structure is simple, the operation is easy, and the workability is improved.

[Brief description of drawings]

FIG. 1 is an explanatory view of a chemical liquid spraying device using a sprinkler according to the present invention.

FIG. 2 is an explanatory diagram of the same main part.

FIG. 3 is a rear view of the chemical liquid supply device.

FIG. 4 is an explanatory diagram of the same chemical liquid supply device.

FIG. 5 is a side view of a chemical liquid supply device according to another embodiment.

[Explanation of symbols]

 A Sprinkler B Chemical supply S Chemical spray using sprinkler 1 Water pipe 2 Sprinkler 3 Chemical tank 4 Pressure feeder 5 Venturi section 31 Venturi tube

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Katsumi Yokoyama 37 Taitaidai, Katsuta-cho, Katsuta-gun, Okayama Kyoritsu Kinzoku Kogyo Co., Ltd.

Claims (1)

[Claims] 1. A water sprinkler (A) is constructed by connecting one end of a water supply pipe (1) to a water source and the other end to a sprinkler (2), while connecting a chemical liquid tank (3) and a pressure supply device (4). The chemical liquid supply device (B) provided is configured to be self-propelled, and a part of the water supply pipe (1) serves as a venturi part (5), and the venturi part (5) and the chemical liquid supply device (B) A chemical liquid spraying device using a sprinkler, characterized in that it is configured to communicate with and.