JP2919232B2 - Soil disinfection equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a construction of a soil disinfecting machine for injecting and spraying a chemical solution into soil in a field and performing a control operation.

[0002]

2. Description of the Related Art Conventionally, in a field, various control operations have been performed to protect agricultural crops from pathogenic bacteria and pests. In the work for controlling harmful microorganisms in these control works, for example, a chemical solution such as chlorpicrin in a tank is sucked and discharged by a disinfecting pump driven by drive wheels, being pulled by a mobile agricultural machine. Injecting and spraying into the soil of the field via the injection claw, leveling the surface of the soil with a leveling plate, crushing with a pressure-reducing wheel, and removing the groove and the surface of the soil formed by running of the drive wheel. There is used a soil disinfecting machine that covers with a multi-film and covers both ends of the multi-film with soil from a conveyor and a shooter.

[0003]

However, in the above prior art, the injected chemical solution turns into harmful gas in the soil,
In order to prevent the harmful gas from coming out from the surface, the soil disinfecting machine is configured so that the surface of the soil after the injection of the chemical solution is firmly crushed by a crushing wheel and the multi-film is covered. Due to the structure of the soil disinfecting machine, the soil which is leveled by a flat plate in a groove made by a grooving device or a driving wheel, the soil crushed by a crushing wheel protrudes, the groove is made shallow, and a conveyor and There is a problem that the effect of covering the both ends of the multi-film with soil from the shooter is impaired and the multi-film is easily peeled off. In addition, when the multi-film is peeled off, the harmful gasified chemical solution leaks out, and in the case of a field near a residential area, a bad smell is trapped especially near the area, which causes aggravation of agrichemicals and the like. In addition, the axle of the driving wheel and the leveling plate are arranged in the space in front of the crushing wheel below the conveyor, but when the driving wheel sinks on a soft ground etc., it is hindered by the axle and the length of the leveling plate is reduced. Since the operating range is limited, there arises a problem that the flat plate embraces the soil and becomes inoperable. Therefore,
The present invention provides a soil disinfecting apparatus that can reliably cover and cover the multi-film, can easily perform work on soft ground, and can encapsulate harmful gas in the multi-film. It is the purpose.

[0004]

The problem to be solved by the present invention is as described above. Next, means for solving the problem will be described. In claim 1, the disintegration pump is driven by the left and right drive wheels driven by the mobile agricultural machine, the chemical liquid is discharged from the injection claw into the soil of the field, the ground is leveled by the leveling plate, and the crushing wheel is used. Soil that crushes the surface of the soil, covers the groove of the drive wheel and the surface of the soil with a multi-film drawn out from a multi-film roll, and covers both ends of the multi-film with soil from a conveyor and a shooter. In the structure of the disinfecting machine, a protruding prevention plate is provided inside the driving wheel and outside the pressure-reducing wheel. Claim 2
In the first aspect, the axle of the drive wheel is disposed in front of the conveyor. In claim 3, the soil disinfection device according to claim 1
In, disposed grooving device at the rear of the drive wheels at the front of the multi-film roll, which is constituted so as to earthing up the shape of the outer only "Les" in the groove with instrument.

[0005]

Next, the operation will be described. When the tractor 1 equipped with the soil disinfecting device 3 at the rear is driven in a field, first, the drive wheels 13 are rotated to form a groove in the field, and at the same time, the disinfecting pump 7 is driven via the transmission 12. ,
The liquid medicine in the tanks 25 is sucked and pressurized to apply a pressure from the discharge ports 48 of the injection claws 8.
5, the soil is compacted by the rear wheels 40, 40 of the tractor 1 by the subsoiler 6, and the soil is softened. The transport conveyor 31 is driven by the driving force from the tractor 1, and the soil is transported upward.
The groove formed at the lower end of the conveyor 31 is filled with the groove erasing guide 33, and the cutting groove formed by the injection claws 8, 8,... Step on the soil after chemical injection. At this time, the soil is spilled from both ends of the equalizing plate 15 and the pressure-reducing wheel 9. The spilled soil is regulated by the protruding prevention plates 47, 47, so that the grooves formed on the field by the drive wheels 13 are provided. Can be suppressed without being buried. Further, the grooves on the untreated side of the field are shaped by the groovers 50, 50, and the multi-film 22 is attached by the driving wheels 13, 13 and the groovers 50, 50 by the tread wheels 24, 24. It is held down in the groove and covered in the field after the injection of the chemical,
After that, the soil conveyed upward by the conveyor 31 onto the multi-film 22 at the groove is a shooter 32.
It is guided by 32 and is dropped and hanged. By repeating the above steps sequentially, it is possible to carry out pest control work.

[0006]

Next, an embodiment will be described. FIG. 1 is an overall side view of the soil disinfecting apparatus of the present invention, FIG. 2 is an overall plan view of the same, and FIG. 3 is a state in which protrusion prevention plates 47 are installed between the drive wheels 13 and the crushing wheel 9. Rear view showing, FIG.
Is a side view showing a part of the groover 50, FIG. 5 is a plan view of the same, and FIG. 6 is a rear view of the same.

In FIG. 1 and FIG. 2, a soil disinfection device 3 is connected to a rear portion of a tractor 1 which is a mobile agricultural machine via a working machine mounting device 2 comprising a three-point link and a three-point hitch. An upper toolbar 4 and a lower toolbar 5 which are orthogonal to the traveling direction of the tractor 1 and are arranged in a vertical parallel direction are provided at the forefront of the disinfection device 3. The upper toolbar 4 and the lower toolbar 5 are connected to a vertical frame 28.
At the position opposite to the rear wheels 40 of the tractor 1 on both front sides of the lower toolbar 5,
A subsoiler 6.6 that can be arbitrarily moved up and down and fixed to soften the soil hardened by the rear wheels 40 via the mounting member 41 is mounted and fixed.

On the lower surface side of the lower toolbar 5, there are provided mounting members 42 for injecting claws 8, 8,... For injecting and spraying the chemical solution in the tank 25 sucked and discharged by the disinfecting pump 7 into the soil. 42, a plurality of them are attached and fixed at regular intervals, and the injection claw 8 is configured to be able to be arbitrarily moved up and down and fixed. The injection claw 8
.. Have a curved shape in a side view so that the tip is positioned below the leveling plate 15 for leveling the surface of the soil, and the tip is provided with discharge ports 48, 48,. Are fixed, and plows 49, 49... For increasing the incision resistance and shortening the headland are fixedly provided. By setting the position of the discharge port 48 of the injection claw 8 below the leveling plate 15, the chemical solution is converted into harmful gas and is prevented from leaking from the surface of the field.

At both ends of the lower toolbar 5, a pair of left and right connecting frames 27, 27 extending rearward are provided.
The disinfecting pump 7 is driven via the transmission 12 at the front end of the connecting frame 27, and the axle 60 is provided with driving wheels 13 for forming grooves on the surface of the soil. There are provided stays 51, 51 which are supported by a support arm 10, which is provided at the rear of the stays 51, 51 for supporting a crushing wheel 9 for crushing the surface of the soil leveled by the leveling plate 15. Branches 11 are provided.

The crushing wheel 9 is configured to be vertically rotatable via support arms 10 and 10, and a weight table 34 on which a weight for increasing the crushing effect can be placed.
And is pressed downward by a spring 20 and regulated by a rod 21. As shown in FIG.
It is installed so as to be located inside and behind the driving wheels 13. The spring 20 is loosely fitted to a rod 21, and the rod 21 has an upper end supported on the side surface of the connection frame 27 and a lower end supported on the upper surface of the weight table 34. In addition, between the inside of the driving wheels 13 and the outside of the pressure-reducing wheel 9, there are provided protruding prevention plates 47, 47 in the front-rear direction. 34 is attached and fixed to the lower side.

[0011] Stays 14 are provided on the lower surface of the intermediate portion of the connection frames 27.
4 is provided with an arm 16 for supporting the flat plate 15.
The leveling plate 15 is fixedly mounted, and the leveling plate 15 is pivotally attached to the lower ends of the arms 16 and 16 via pivotal supports 17 and 17 at the lower ends thereof. The leveling plate 15 is pressed downward by a spring 18 and is regulated by a rod 19. The spring 18 is loosely fitted to the rod 19, and
Reference numeral 9 denotes an upper end on the side surface of the stay 14, and a lower end on the flat plate 1.
5 are respectively supported on the upper surface.

As shown in FIGS. 4, 5, and 6, a support member 55 is provided at an intermediate portion of the connecting frames 27.
The supporting members 55 are fixedly mounted on the outer ends of the supporting members 55 via connecting members 56.
Are connected. The pivoting portions 58, 58 are grooved in the shape of a letter "L" only on the outer side of the field on the unprocessed ground side in the work start step and the reciprocation step via the support arms 59, 59. The grooving device 50 is moved up and down so that an arbitrary groove depth can be obtained.
At 54, it is fixedly supported.

[0013] The grooving devices 50 are provided with driving wheels 13.
13 and is disposed between the multi-film 22 wound in a roll shape, and is configured to be rotatable upward with the connecting members 56 of the pivot portions 58 as pivot points, as shown in FIG. By the action of the pulling force of the springs 53, 53 stretched between the support members 55, 55 and the pivot portions 58, 58, they are pulled upward and downward beyond the fulcrum, and fixed at arbitrary positions in the upper and lower portions. The groovers 50, 50 can be stored and fixed above the rear side surfaces of the drive wheels 13, 13 with one touch.

At the rear ends of the connecting frames 27, 27, the multi-film 22 wound in a roll and the driving wheels 13 press the multi-film 22, and the groovers 50, 50 The tread wheels 24, 24 are provided for pressing down and covering the groove formed by the stepping. The multi-film 22 includes the connecting frames 27
Are held by holders 23, 23 which are vertically movable and fixably supported by support members 43, 43 provided on the vehicle. The tread wheels 24, 24 are provided on the connection frames 27, 27. It is supported so as to be movable up and down and freely adjustable back and forth via supporting members 44.

Tanks 26, 26 on which tanks 25, 25 are mounted, are disposed above the connection frames 27, 27.
A chemical solution is sucked in from 5/25 and pressure is applied to inject the nail 8.8
Are attached and fixed. A pipe 29 protrudes rearward from the vertical frame 28, and a drive shaft is provided in the pipe 29. The drive shaft receives a driving force from the tractor 1 through a universal joint 30. The transporting conveyor 31 for transmitting the soil upward through the transmission shaft 45 projecting rearward and upward is transmitted by the driving force.

The soil conveyed by the conveyor 31 is supported via a supporting frame 52 in a state of being inclined in two directions below and behind the tread wheels 24, 24, and the lower end thereof is provided by the tread wheels 24. The drive wheels 1 are guided by shooters 32, 32 extending to the rear position.
The stepping wheels 24 fall on the multi-film 22 covered with the grooves formed by the grooves 3 and 13 and the grooves 50 and 50 to the place where they are pressed.

On both sides of the lower portion of the conveyor 31 are provided groove erasing guides 33 for erasing grooves formed when the lower end of the conveyor 31 contacts the field. 33 is the conveyor 3
It is supported so as to be vertically movable and fixable via supporting members 46 provided on both sides of the device 1. The transport conveyor 31 has a lower end located in front of the equalizing plate 15 in the front-rear direction in the center of the machine body, and is disposed in a state of being inclined rearward and upward, and a rear end of the transmission shaft 45 is provided at the upper end. It is connected. The axle 60 of the drive wheels 13 is disposed in front of the conveyor 31 and is provided with the flat plate 1.
5 is disposed between the transport conveyor 31 and the crushing wheel 9.

In the above configuration, when the tractor 1 is driven in the field and the soil disinfecting apparatus 3 is towed in order to perform the field control work, first, the left and right grooving is performed in the first outbound process of starting the work. And the drive wheels 13 are rotated to step on the field, and the grooving devices 50 and 50 are used to pull the soil only on the outside to form a groove in the field, and at the same time, the transmission device is used. Disinfection pump 7 through 12
Are driven to suck the chemical solution in the tanks 25 and apply pressure to discharge the liquid into the soil from the injection claws 8.8..., And the rear wheels 40 of the tractor 1 by the subsoilers 6.6.
・ The soil compacted at 40 is destroyed and softened.

Then, the driving conveyor 31 is driven by the driving force transmitted from the tractor 1 via the universal joint 30, and the soil is conveyed up.
The groove formed at the lower end of the conveyor 31 is filled by the groove erasing guide 33, and the cutting groove formed by the injection claws 8, 8,... The soil after the injection of the chemical solution is pressed down and solidified. At this time, the soil spills out from both ends of the flattening plate 15 and the pressure-reducing wheel 9.
By being regulated at 47, it is possible to crush the grooves formed in the field by the drive wheels 13 and 13 and the groovers 50 without being filled. Hereinafter, the multi-film 22 is pressed by the tread wheels 24, 24 at the grooves formed by the driving wheels 13, 13 and the groovers 50, 50 to cover the field after the injection of the chemical solution, and thereafter, The soil transported upward by the transport conveyor 31 onto the multi-film 22 is guided by the shooters 32 and falls.

In this way, grooves are formed by the driving wheels 13 and the groovers 50, and the chemical solution is injected and dispersed into the soil through the injection claws 8,. After leveling, squeezing with the crushing wheel 9, covering the multi-film 22, and successively repeating soiling via the conveyor 31 and the chutes 32, 32 to perform the control work in the outward path, and then in the next return path, In the case of performing the pest control work, the grooving is performed while only the grooving device 50 on the untreated land side of the field is lowered, and the groove provided by the drive wheel 13 is further shaped, and the groove on the treated land side is further formed. The grooving device 50 performs pest control work in a state where the grooving device 50 is housed and fixed above the rear side surface of the driving wheel 13. It is stored and fixed on the upper side, and only the groover 50 on the untreated ground side is lowered. Is to carry out the field of pest control work in the state was lowered to.

[0021]

As described above, the present invention has the following advantages. That is, with the structure as claimed in claim 1, the protruding soil is protruded when the cutting groove of the injection claw after the injection of the chemical is flattened by the equalizing plate or when the upper surface of the field after the injection of the chemical is suppressed by the crushing wheel. The work can be performed without breaking the groove provided on the field by the drive wheel because it can be regulated by the prevention plate, and the multi-film is securely pressed onto the groove provided by the drive wheel with the tread wheel to cover. You can then hang it on it.

In addition, since the flattening plate is not obstructed by the axles of the driving wheels, unlike the conventional case, the length of the flattening plate can be sufficiently increased and the operation can be performed. The range can be widened, and when the drive wheel sinks on soft ground etc., it will not be impossible to work,
The cut groove of the injection nail after the injection of the chemical solution can be surely leveled.

In addition, the groove formed by the driving wheel on the untreated land side of the field can be further shaped by the groover, so that the multi-film can be reliably connected to the groove. Can be covered by pressing with a treadle, and can be laid on it. Moreover, since the mulch film can be reliably covered by the hang, the multi-film can be covered by external pressure such as wind or rain. The film can be prevented from being peeled off, and the harmful gasified chemical solution can be prevented from leaking.

[Brief description of the drawings]

FIG. 1 is an overall side view of a soil disinfection device of the present invention.

FIG. 2 is an overall plan view of the same.

FIG. 3 is a rear view showing a state in which protrusion prevention plates 47 are provided between the drive wheels 13 and the pressure-reducing wheels 9;

FIG. 4 is a side view showing a part of the groover 50;

FIG. 5 is a plan view of the same.

FIG. 6 is a rear view of the same.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Tractor 3 Soil disinfection device 7 Disinfection pump 8 Injection claw 9 Squeezing wheel 13 Driving wheel 15 Equalizing plate 22 Multi-film 24 Treading wheel 31 Conveyor 32 Shooter 33 Groove extinguishing guide 47 Extrusion prevention plate 48 Discharge port 49 Plow body 50 Grooving device 60 axles

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁶ , DB name) A01M 17/00 A01G 13/00 303

Claims (3)

(57) [Claims] 1. A disinfecting pump is driven by left and right driving wheels driven by a mobile agricultural machine, and a chemical solution is discharged into the soil of a field from an injection claw to level the ground with a leveling plate. Soil disinfection by squeezing the surface of the multi-film, covering the groove and soil surface of the drive wheel with the multi-film drawn out from the multi-film roll, and covering both ends of the multi-film with the soil from the conveyor and the shooter. A soil disinfection device, characterized in that, in the configuration of the machine, a protruding prevention plate is installed inside the driving wheel and outside the pressure suppression wheel. 2. The soil disinfection device according to claim 1, wherein
A soil disinfection device, wherein an axle of drive wheels is arranged in front of a conveyor. 3. The soil disinfection device according to claim 1, wherein
A soil disinfecting machine characterized in that a groover is provided in front of a multi-film roll and behind a drive wheel, and only the outer side of the groover is used to bury the soil in a "L" shape.