JP2554255Y2 - Liquid spraying device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid spraying apparatus which runs in a greenhouse and sprays chemicals and water.

[0002]

2. Description of the Related Art Conventionally, as a liquid spraying device of this type, a fixed type in which a spraying nozzle is fixed to a ceiling frame above a greenhouse, or a liquid storage tank installed at an appropriate position in a greenhouse. There is a mobile type in which a spirally expandable and contractible liquid supply tube connected to the liquid supply tube and a spray nozzle connected to the liquid supply tube are reciprocally movable above the greenhouse.

However, since the above-mentioned fixed type is applied only from above the cultivated plant, there is a drawback that the chemical solution cannot be applied to the back surface of the leaf where pests and insects are likely to occur. In addition, in the case of the mobile type, the liquid supply pipe is exposed to sunlight or spraying chemical liquid, so that the chemical liquid is deteriorated by ultraviolet light or the like, the liquid supply pipe is deteriorated, and the liquid supply pipe expands and contracts spirally. Because of this, there is a problem that the gathering width becomes large at the time of shrinkage, and the effective area for plant cultivation becomes small in a limited space such as a greenhouse, and further, there is a problem that the working space is reduced accordingly. .

On the other hand, as an apparatus for solving such a problem, a pair of trucks is provided so as to be able to travel along a guide rail, and a liquid supply tube is provided to each of the movable pulleys supported by the trucks. In a state where one end of the annular tube is fixed to substantially the center in the longitudinal direction of the guide rail, and a watering truck is connected to the opposite side, the pair of two trucks is towed by a tow rope to form a loop. There is also known a method of moving back and forth as it is.
2-59158).

[0005]

However, in such a structure, two pairs of trucks are towed while being connected via an annular liquid supply tube. Therefore, three trucks of the two trucks and the watering truck are used. A large load is applied due to the load of the truck and the frictional resistance during traveling. Therefore, the tube is likely to be damaged by pulling. In addition, the interval between the trucks is widened due to the loosening of the liquid supply tube, and the reciprocating movement distance of the watering truck often does not become the initial setting.
Therefore, it is necessary to replace the liquid supply tube at an early stage.

Further, since two trucks for moving pulleys are required, the effective spraying range by the watering truck must be a distance reduced by the length of the two trucks. In other words, if it is installed in a certain area such as a greenhouse, an area with a considerable width cannot be sprayed on either the left or right moving end side.

In view of the above, an object of the present invention is to provide a liquid spraying apparatus which is small and lightweight, can be used for a long period of time, and can spray liquid over almost the entire area of a greenhouse.

[0008]

In order to achieve the above-mentioned object, a liquid spraying device according to the present invention comprises a guide rail of an appropriate length fixedly disposed substantially horizontally above a greenhouse, a drive motor, and the drive motor. A drive unit fixedly disposed near one end of the guide rail and an end unit including a guide pulley fixedly disposed near the other end of the guide rail. A drive mechanism, a movable pulley mounting cart provided with a pulley for winding a liquid supply tube and a drive wire and running along a guide rail, and a liquid supplied from the liquid supply tube. A spraying truck that is capable of supporting a spraying mechanism for spraying through an arbitrary suspension mechanism and that is connected to the drive wire and arranged to run along a guide rail. The liquid spraying apparatus for supplying the cultivating plants, the liquid supply tube, the end portion of the liquid supply mains which is disposed the proximal end within the round trip range of scatter carriage,
The other end is wound around one pulley supported by the moving pulley mounting cart, then connected to one side of the spraying cart and disposed, and two wires are used as the driving wires. one end, is connected rigidly in the vicinity of the end unit, and the pulley integral with the other end, is disposed in the liquid supply winding the tube pulley coaxially of the wire
After being wound around a pulley that rotates in a rotating manner, it is connected to one side of the spraying cart, one end of the other wire is connected to the other side of the spraying cart, and the guide pulley of the end unit, the drive pulley of the drive unit, and the moving pulley are mounted After being sequentially wound around another pulley disposed on a shaft different from the one pulley among the pulleys supported by the carriage, the other end was connected to a tension mechanism disposed near the drive unit and disposed. It is characterized by the following.

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a liquid spraying device according to the present invention. In the figure, 1
Is a greenhouse, 2 is a guide rail, 3 is a movable pulley mounting cart,
Reference numeral 4 denotes a spray truck, 5 denotes a drive mechanism, 6 denotes a drive wire, and 7 denotes a liquid supply tube.

The guide rail 2 is suspended from the ceiling frame of the greenhouse 1 via a support mechanism 21 including a wire 21a, a turnbuckle 21b, and a rail receiver 21c. The guide rail 2 is formed in a substantially U-shaped cross section of the upper surface opening, that is, both side plates 22 and 23,
It is composed of a bottom plate 24 (see FIGS. 10 to 13). Further, a concave portion 24a is formed in the bottom plate 24, and the liquid supply tube 7 and the driving wire 6 are disposed along the concave portion 24a. Therefore, the liquid supply tube 7 and the like are connected to the guide rail 2.
Are disposed so as to be surrounded by the side plates 22, 23, etc., so that they are not directly exposed to the wind, rain, and sunlight, and the adhesion of the spraying chemicals can be reduced. In addition,
The step portions 24b on both sides of the concave portion 24a function as rail portions on which traveling wheels such as the moving tube mounting cart 3 travel. Also, reference numerals 26 and 27 project from a lower portion of the guide rail 2 to connect a joint rail 14 described later.
This is a flange portion for supporting the tube holding member 15.

As shown in FIG. 2, the carriage 3 for mounting the movable pulley is provided with a carriage frame 31 and four traveling wheels 32 disposed on a lower portion of the carriage frame 31 and traveling on rail portions 24b of the guide rails 2. , And both side plates 2 of the guide rail 2
2, and four horizontal wheels (not shown) running along the vehicle. The movable pulley mounting cart 3 has a support shaft 3 in which two pulleys of a first pulley 34 and a second pulley 35 are stretched between both side frames of the cart frame 31.
6 and 37, respectively, so as to freely rotate vertically.

The first pulley 34 is, as shown in FIG.
Three grooves 34a, 34b, 34c are engraved on the peripheral surface of the rim, the liquid supply tube 7 is wound around both side grooves 34a, 34c (see FIG. 7), and one drive wire is inserted into the center groove 34b. 61 is a wound structure. That is,
The first pulley 34 of this embodiment has a structure in which the liquid supply tube 7 and one of the drive wires 61 are wound around a coaxial pulley, so that three grooves 34a, 34b, and 34c are formed on the rim peripheral surface. The structure is such that it functions both for winding the supply tube and for winding the drive wire. in this case,
After forming the supply tube winding pulley and the driving wire winding pulley separately, it is a matter of course that the two can be arranged on the same support shaft 36. On the other hand, as shown in FIG. 2, the second pulley 35 is rotatably disposed on a support shaft 37 different from the first pulley 34, and is used to wind the other drive wire 62. It is arranged in.

As shown in FIGS. 2 and 12, the scatter truck 4 is arranged along a chassis 41, four running wheels 42 running on a rail portion 24 b of the guide rail 2, and side plates 22, 23 of the guide rail 2. Four horizontal wheels 43 for controlling the attitude of traveling, a mounting plate 44 for fixing a suspension mechanism 8 described later provided to support the spraying mechanism 9, and the spraying mechanism 9.
A socket 45 fixed to the mounting plate 44 is provided to connect the liquid supply tube 7 to the liquid supply tube 7. Note that the movable pulley mounting cart 3 is disposed on the guide rail 2 so as to be able to run on the guide rail 2 so as to be located on the drive unit 51 side of the drive mechanism 5 described later, and the dispersing cart 4 is located on the end unit 52 side.

The drive mechanism 5 is connected to one end 2 of the guide rail 2.
a, and an end unit 52 connected to the other end 2b (see FIGS. 1, 2, 4 and 6). The drive unit 51 includes a drive motor 51a and a drive pulley 51b that is driven to rotate by the motor 51a. The drive unit 51 is connected to one end 2a of the guide rail 2 as described above. It is fixedly attached at an appropriate position via a square pipe or the like. The end unit 52 is connected to the other end 2b of the guide rail 2 as described above, and is fixedly mounted at an appropriate position on the wedge surface of the greenhouse facing the drive unit 51.
And a guide pulley 5 rotatably supported by the substrate 52a.
2b.

The driving wire 6 includes two wires 61 and 62
(See FIG. 2). One of the wires 61 has one end 61a fixed to an appropriate position of the substrate 52a of the end unit 52 with a wire clip or the like as shown in FIGS. After passing under the spraying truck 4 along the second concave portion 24a, it is further wound around the central groove portion 34b of the first pulley 34 of the movable pulley mounting truck 3 from below to above, and the other end 61b is spread over the spreading truck. 4 is fixed to an appropriate position of the chassis 41 (in this embodiment, the side plate 41a of the chassis 41 facing the movable pulley mounting cart 3).

As shown in FIGS. 5 and 6, the other wire 62 is positioned at an appropriate position on the chassis 41 of the spray truck 4 (in this embodiment, the side plate 41b is located on the opposite side of the side plate to which the one wire 61 is fixed). ) Is fixed to one end 62a, wound around the guide pulley 52b of the end unit 52 from above to below, and after passing under the spraying truck 4 and the moving pulley truck 3 along the concave portion 24a of the guide rail 2. After being wound around the drive pulley 51b of the drive unit 51 and further wound up from below on the second pulley 35 of the movable pulley mounting carriage 3, a tension mechanism constituting a tension mechanism such as via a wire clip is used. The other end 62b is connected to the spring 63. The tension spring 63 is a spring for adjusting the tension of the wire 62.
One end thereof is fixed and disposed on the stake 1a of the greenhouse by a wire member or the like.

The liquid supply tube 7 is made of a flexible and flexible material, but it is preferable to use a material having excellent chemical resistance, pressure resistance, tensile strength and the like. As shown in FIGS. 7 and 8, the liquid supply tube 7 has a base end 7.
a is connected to the other end of the pipe joint 13 having one end connected to the liquid supply main pipe 12, introduced from the joint rail 14 for tube arrangement into the guide rail 2, and inserted into the recess 24 a of the guide rail 2. Along the lower side of the spraying truck 4 and then wraps around the groove portions 34a, 34c of the first pulley 34 of the moving pulley mounting truck 3 from below to above, and the other end 7b is a socket of the spraying truck 4. 45 and is disposed. In this embodiment, two liquid supply tubes 7 are provided, but one liquid supply tube may be provided.

Here, the above-mentioned pipe joint 13 is housed and fixed in a tube holding device 15 as shown in FIG. 10. The tube holding device 15 is formed in a substantially U-shaped cross section and Flanges 151 and 152 are provided at the edges, and an appropriate number of rotating rollers 153 are provided below the flanges 151 and 152.
And is configured. The tube holding device 15 engages the flanges 151 and 152 with the flanges 26 and 27 projecting below the guide rail 2, and
The rear end is connected to a constant load spring 16 fixed below the guide rail 2 and disposed (see FIG. 9). That is, the tube holding device 15 is supported so as to be slidable along the guide rail 2, and is disposed so as to always apply a constant tension to the liquid supply tube 7 by the constant load spring 16.

On the other hand, as shown in FIG. 11, the joint rail 14 has a substantially U-shaped cross section and
41 is formed so as to have a certain inclination. Specifically, the inclined upper end is formed so as to correspond to the concave portion 24a of one of the guide rails 2 to be connected, and the inclined lower end is formed below the concave portion 24a of the other guide rail 2 so that the inclined lower end and the guide An opening 144 for introducing the liquid supply tube 7 is formed by the peripheral surface of the concave portion 24a of the rail 2 (see FIG. 9). Insertion pieces 142 protrude from both ends of the joint rail 14. The insertion pieces 142 are engaged with the flanges 26 and 27 of the guide rail 2, so that the joint rail 14 is
It is connected to. Therefore, the liquid supply tube 7 whose base end 7a is connected to the pipe joint 13 in the tube holding device 15 passes through the opening and is introduced and arranged in the recess of the guide rail 2 ( (See FIG. 9). In addition,
143 is a rail formed so as to be connectable in series with the rail 24b of the guide rail 2.

The suspension mechanism 8 may be of any type as long as it can support the spraying mechanism 9 having the spraying nozzle 94. In this embodiment, as shown in FIGS. A substantially rectangular frame body 81 having a connecting portion 81a that can be fixed to the mounting plate 44 of the spraying trolley 4 and a cutout portion 81b that is partially open, and is protruded from both sides of the frame body 81. Two inclined frames 82
And a horizontal frame 83 spanned between the front ends of the inclined frames 82. The notch 81b is a rail receiver 21c that supports the guide frame 2 when the notch 81b is moved and moved by the scatter truck 4.
It is provided so as not to collide with.

The spraying mechanism 9 is connected to a main pipe 91 fixedly disposed along the horizontal frame 83 of the suspension mechanism 8 and one end thereof to a socket 45 for connecting the liquid supply tube 7.
Relay pipe 92 whose other end is connected to an arbitrary portion of main pipe 91
And a nozzle pipe 93 connected to an arbitrary portion of the main pipe 91 and protruding downward, and a spray nozzle 94 attached to the nozzle pipe 93. The means for fixing these spraying mechanisms 9 to the frame body 81 or the horizontal frame 83 of the suspension mechanism 8 is not particularly limited, and can be fixed using, for example, metal fittings.

FIG. 14 is a perspective view showing the entire liquid spraying apparatus of this embodiment when it is installed in a greenhouse. In FIG. 14, reference numeral 10 denotes a liquid storage tank, 11 denotes a pump mechanism, and 12 denotes the above-described liquid supply. The main pipe serves to connect the liquid storage tank 10 and the base end 7a of the liquid supply tube 7.

The liquid spraying apparatus according to the present embodiment operates as follows. That is, as shown in FIGS. 2 and 5, when the drive pulley 51b is rotated in the X direction by the drive motor 51a, the other drive wire 62 is caused to travel.
Thereby, the moving pulley mounting cart 3 and the spray cart 4 are pulled by the other drive wire 62 and one drive wire 61 and run in the direction of the arrow X1. At this time, the liquid supply tube 7 is also pulled along the rotation direction of the first pulley 34 by being pulled by the spraying cart 4, but the tube holding device 15 is slidably supported, and the tube holding device 15 is fixed. Since the liquid supply tube 7 is connected to the load spring 16, the liquid supply tube 7 does not sag, but no excessive tensile force is applied to the connection portion between the liquid supply tube 7 and another member. Therefore, the spraying truck 4 is pulled without the liquid supply tube 7 extending itself.

According to this embodiment, the liquid supply tube 7 and one wire 61 are wound around the first pulley 34. That is, the moving pulley for the liquid supply tube 7 and the moving pulley for the one drive wire 61 are formed and supported coaxially , and both pulleys are provided so as to rotate integrally . Therefore, the first pulley 34 is rotated with the travel of the one drive wire 61, so that only the liquid supply tube 7 is wound (the liquid supply tube 7 and the one wire 61 are supported on different shafts). The load applied to the liquid supply tube 7 due to the movement of the spraying cart 4 is clearly smaller than that of the case where the spraying cart 4 is wound separately around the pulley.

While the spray truck 4 is moving, a liquid such as a chemical solution sucked up by the pump 11 is supplied from the storage tank 10 to the spray mechanism 9 via the liquid supply main pipe 12 and the liquid supply tube 7. It is supplied. Further, the relay pipe 92 and the main pipe 9
1. From the spray nozzle 94 via the nozzle tube 93, FIG.
Are sprayed in the greenhouse 1 as shown in FIG.

On the other hand, when the driving pulley 51b is rotating in the Y direction, the driving wires 61 and 62, and the movable pulley mounting cart 3 and the spray cart 4 pulled by the driving wires 61 and 62 are all the arrow Y1 opposite to the above. Running in the direction
In the meantime, the liquid is sprayed as described above. When the drive pulley 51b is rotating in the X direction, the stroke width is set so that the end of the guide rail 2 on the drive unit 51 side stops when it comes into contact with the movable pulley mounting cart 3 or immediately before it. Must be set. However, when the driving pulley 51b is rotating in the Y direction, the spray truck 4 can approach immediately before the end unit 52, so that a large stroke width can be secured. In addition, 17 and 18 shown in FIG. 1 are limit switches for regulating the stroke width of the spray truck 4.

It is needless to say that these work steps can be performed automatically by storing the number of rotations and the rotation time of the drive motor in an appropriate control mechanism.

[0028]

The liquid spraying device of the present invention has a simple structure, and the liquid supply tube and the driving pulley for the driving wire are provided coaxially, and the liquid supply tube and the driving wire are integrally rotated. The load on the tube is extremely small. Also,
Since the liquid supply tube is disposed so as to pass through the inside of the concave portion provided in the guide rail, the liquid supply tube is less exposed to the sprayed chemical liquid and sunlight, and thus the deterioration of the tube can be prevented. Therefore, long-term use is possible without replacing the liquid supply tube. In addition, since the spraying truck has a structure that can move to at least one of the ends along the guide rail, there is no waste in the spraying range.

[Brief description of the drawings]

FIG. 1 is a perspective view schematically showing one embodiment of the liquid spraying device of the present invention.

FIG. 2 is a perspective view showing an arrangement relationship of a drive unit, an end unit, a drive wire, and a liquid supply tube of the embodiment.

FIG. 3 is a plan view schematically showing an arrangement state of one drive wire of the embodiment.

FIG. 4 is a side view schematically showing an arrangement state of one drive wire of the embodiment.

FIG. 5 is a plan view schematically showing an arrangement state of another drive wire of the embodiment.

FIG. 6 is a side view schematically showing an arrangement state of another drive wire of the embodiment.

FIG. 7 is a plan view schematically showing an arrangement state of a liquid supply tube of the embodiment.

FIG. 8 is a side view schematically showing an arrangement state of a liquid supply tube of the embodiment.

FIG. 9 is a side view partially showing the arrangement of a liquid supply tube, a joint rail, a tube holding device, and a constant load spring of the embodiment.

FIG. 10 is a sectional view taken along line AA of FIG. 9;

FIG. 11 is a perspective view showing a joint rail of the embodiment.

FIG. 12 is a perspective view partially showing an arrangement relationship of a spraying cart, a suspension mechanism, and a spraying mechanism of the embodiment.

FIG. 13 is a front view partially showing the arrangement of the guide rail, the liquid supply tube, the spraying cart, the suspension mechanism, and the spraying mechanism of the embodiment.

FIG. 14 is a perspective view showing the whole when the liquid spraying device of the embodiment is disposed in a greenhouse.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 greenhouse 2 guide rail 21 support mechanism 3 moving pulley mounting trolley 34 first pulley 35 second pulley 4 spraying trolley 44 mounting plate 45 socket 5 drive mechanism 51 drive unit 51b drive pulley 52 end unit 52b guide pulley 6 drive wire 61 One drive wire 62 The other drive wire 7 Liquid supply tube 8 Suspension mechanism 9 Spray mechanism 94 Spray nozzle 12 Liquid supply main pipe 13 Pipe joint 14 Joint rail 15 Tube holding device 16 Constant load spring

Claims (1)

(57) [Scope of request for utility model registration] 1. A guide rail having an appropriate length fixedly disposed substantially horizontally above a greenhouse, a drive motor and a drive pulley rotationally driven by the drive motor, and fixedly disposed near one end of the guide rail. A drive mechanism including an end unit having a drive unit provided and a guide pulley fixedly disposed near the other end of the guide rail, and a pulley for winding the liquid supply tube and the drive wire And a dispensing mechanism for dispersing the liquid supplied from the liquid supply tube can be supported via an arbitrary suspension mechanism. A spraying truck connected to the drive wire and movably disposed along the guide rail; and a spraying truck for feeding a medicinal solution or the like to the cultivated plant. Sprinkling after winding the base end around the end of the liquid supply main pipe disposed within the reciprocating travel range of the spraying truck and the other end around one pulley supported by the moving pulley mounting truck. disposed coupled to one side of the carriage, and, using two wires as the driving wire, one end of one wire, connected immovably around the end unit, and,
The other end was connected to one side of the spray carriage after wound pool <br/> Li to rotational movement the pulley and integrally with disposed in said liquid supply winding the tube pulley coaxially One end of the other wire is connected to the other side of the spraying truck, and is disposed on a shaft different from the one pulley among the guide pulley of the end unit, the driving pulley of the drive unit, and the pulley supported by the moving pulley mounting truck. A liquid dispersing device, wherein the liquid spraying device is sequentially wound around another provided pulley, and the other end is connected to a tension mechanism provided near the drive unit.