JP2003274836A - Soil sterilizer - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a soil sterilizer affording sufficient sterilizing effects. <P>SOLUTION: This soil sterilizer 5 is provided with soil lifting means 21 for eliminating recessed parts of a traveling car treading parts A1 and first earthing up means 15 for earthing up the traveling car treading parts A1. The soil sterilizer 5 is further equipped with furrow-forming blade bodies 16 for forming furrows for injecting an agent in the traveling car treading parts A1 and agent injecting pipes 17 for injecting the agent into the furrows for injecting the agent. The soil sterilizer 5 is provided with a second earthing up means 18 for earthing up the furrows for injecting the agent after injecting the agent and a land roller 22 for compacting a field A. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a soil disinfecting machine for injecting a soil disinfecting chemical solution into soil in a field in order to control pathogens of loam and the like.

[0002]

2. Description of the Related Art Conventionally, as a towed soil disinfecting machine towed by a traveling vehicle such as a tractor, a groove forming blade such as a subsoiler for forming a groove for injecting a chemical solution in a field and a groove for injecting the chemical solution have been used. A sub-soiler disinfecting machine or the like including a chemical liquid injection means for injecting a chemical liquid and a pressure suppressing roller for suppressing the field after the chemical liquid injection is widely known.

[0003]

However, in the above-mentioned conventional soil disinfecting machine, as shown in FIG. 7, for example, even when the pressure suppression roller 1 suppresses the field after the chemical solution injection, the depressed running vehicle treading portion 2 is used. Since the open groove 3 for injecting the chemical liquid remains,
The vaporized gas of the chemical may easily leak from the soil in the field into the atmosphere, and a sufficient disinfecting effect may not be obtained.

The present invention has been made in view of the above points, and it is possible to appropriately prevent the vaporized gas of the chemical liquid from leaking from the soil of the field into the atmosphere, and obtain a sufficient disinfecting effect. The purpose is to provide a disinfecting machine.

[0005]

A soil disinfecting machine according to claim 1 is a soil disinfecting machine for injecting a chemical solution for soil disinfection into the soil of a field while moving forward, for injecting the chemical solution into the field. A groove forming blade body for forming a groove, a chemical solution injecting means for injecting the chemical solution into the chemical solution injecting groove, and a soil gathering means for bringing soil into the chemical solution injecting groove into which the chemical solution has been injected.

A groove forming blade for forming a groove for injecting a chemical solution in a field, a chemical solution injecting means for injecting a chemical solution into the groove for injecting a chemical solution, and a soil gathering means for bringing soil to the groove for injecting a chemical solution in which a chemical solution has been injected. Since it is provided, it becomes possible to appropriately suppress the vaporized gas of the chemical liquid from leaking from the soil in the field into the atmosphere.

The soil disinfecting machine according to claim 2 is a soil disinfecting machine for injecting a chemical solution for soil disinfection into the soil of a field while moving forward by towing by a traveling vehicle, wherein the traveling vehicle treading portion of the field. And a groove forming blade for forming a drug solution injecting groove in the field, and a drug solution injecting device for injecting the drug solution into the drug solution injecting groove.

[0008] Further, since it is provided with a soil gathering means for gathering soil to the tread portion of the traveling vehicle in the field, a groove forming blade body for forming a chemical solution injecting groove in the field, and a chemical solution injecting means for injecting a chemical solution in the chemical solution injecting groove. Therefore, it is possible to appropriately prevent the vaporized gas of the chemical solution from leaking from the soil in the field into the atmosphere.

The soil disinfecting machine according to claim 3 is a soil disinfecting machine for injecting a chemical solution for soil disinfection into the soil of a field while moving forward by towing by a traveling vehicle, wherein the traveling vehicle treading portion of the field. First soil gathering means for pulling soil to the soil, a groove forming blade for forming a chemical liquid injecting groove in at least one of a traveling vehicle treading portion and a portion in the vicinity of the traveling vehicle treading portion in the field, and the chemical liquid injecting groove Further, there is provided a chemical solution injecting means for injecting the chemical solution, and a second earth-moving means for bringing soil into the chemical solution injecting groove into which the chemical solution has been injected.

Then, the first soil-applying means for bringing the soil to the tread portion of the traveling vehicle in the field, the groove forming blade for forming the chemical-solution injecting groove, the chemical solution injecting means for injecting the chemical solution into the chemical-solution injecting groove, and the chemical solution Since the second soil gathering unit that gathers the soil into the injected trench for injecting the liquid medicine is provided, it is possible to appropriately suppress the vaporized gas of the liquid medicine from leaking from the soil in the field into the atmosphere.

A soil disinfecting machine according to a fourth aspect of the present invention is the soil disinfecting machine according to the third aspect, further comprising a squeezing means for squeezing the field at a position behind the second soil gathering means.

Further, since the crushing means for crushing the field at the position behind the second soil pulling means is provided, it is possible to easily and appropriately suppress the vaporized gas of the chemical solution from leaking from the soil in the field to the atmosphere. Become.

A soil disinfecting machine according to a fifth aspect of the present invention is the soil disinfecting machine according to the third or fourth aspect, which is provided with a soil lifting means for eliminating the depression of the tread portion of the traveling vehicle in the field at a position in front of the first soil shifting means. is there.

Further, since the soil lifting means for eliminating the depression of the tread portion of the traveling vehicle in the field is provided in front of the first soil gathering means, it is more appropriate that the vaporized gas of the chemical solution leaks from the soil in the field to the atmosphere. Can be suppressed.

A soil disinfecting machine according to a sixth aspect of the present invention is the soil disinfecting machine according to the fifth aspect, wherein each of the earth lifting means, the first earth moving means and the second earth moving means is vibrable.

Since each of the earth lifting means, the first earth moving means and the second earth moving means can vibrate, the traction resistance is reduced and the working efficiency is improved.

A soil disinfecting apparatus according to a seventh aspect is the soil disinfecting apparatus according to any one of the third to sixth aspects, wherein each of the first soil adhering means and the second soil adhering means is inclined at a predetermined angle with respect to the front-rear direction. In addition, it has a slender shape having a longitudinal direction in a substantially horizontal direction, and a front descending slanted sloped surface that gradually descends from one end side in the width direction toward the other end side in the width direction.

[0018] The soil can be smoothly attracted by the soil gathering slope of the first soil gathering means and the soil gathering slope of the second soil gathering means.

[0019]

BEST MODE FOR CARRYING OUT THE INVENTION The construction of an embodiment of the soil disinfecting machine of the present invention will be described below with reference to the drawings.

1 and 2, reference numeral 5 denotes a towed soil disinfecting machine. The soil disinfecting machine 5 is connected to the rear part of a tractor T which is, for example, a traveling vehicle, and is pulled by the tractor T so that a field A can be obtained. Is a parallel double sub-soiler disinfecting machine that injects and seals the chemical solution for soil disinfection into the soil of the field A while moving in the forward direction (X direction in the drawing).

The soil disinfecting machine 5 is provided with a machine frame 6, and a tractor connecting means which is a traveling vehicle connecting means composed of a top pin 7, a lower pin 8 and the like in the front center part of the machine frame 6. 9 is provided, and an input shaft 10 for inputting power from the tractor T is rotatably provided. The tractor connecting means 9 is a three-link mechanism 11 of the tractor T.
The input shaft 10 is connected to the PTO shaft of the tractor T via a transmission means.

Further, the machine frame 6 has a plurality of, for example, a pair of left and right soil pullers for pulling soil to a wheel tread portion A1 which is a running vehicle tread portion of the field A, that is, a portion where the rear wheels T1 and T1 of the tractor T have passed. A plurality of grooves, for example, a pair of left and right subsoilers, which form a substantially vertically elongated concave groove for chemical liquid injection A2 in the wheel tread portion A1 of the field A at a position behind the rear wheel T1 and the first soil gathering means 15 and 15 which are means. Blades 16, 16 and this groove forming blade
A plurality of, for example, a pair of left and right chemical solution injection pipes 17, 17 for injecting a chemical solution into the chemical solution injection groove A2 formed by 16, 16 and a chemical solution are injected through the chemical solution injection tubes 17, 17. A plurality of, for example, a pair of right and left soil adsorbing means, second soil adsorbing means 18, 18 for adsorbing soil to the chemical liquid injecting groove A2 are provided.

Further, on the front end side of the machine frame 6, at a position in front of a predetermined portion of the first earth gathering means 15, the first earth gathering means 15 is provided.
Prior to the soil gathering, the soil of the compacted wheel treading portion A1 is slightly lifted so as to return to its original swelling state, and a plurality of, for example, a pair of left and right soil lifting means 21, for eliminating the depression of the wheel treading portion A1 of the field A, 21 are provided.

On the other hand, on the rear end side of the machine frame 6, at the rear position of the second soil pulling means 18 (the rear position of the groove forming blade body 16), the field A after the chemical solution injection is processed so that the surface of the field A is uneven. A crushing roller 22, which is one crushing means in the left-right direction, is rotatably provided so as to achieve a substantially flat state.

Each of the groove forming blade 16, the earth lifting means 21, the first earth moving means 15 and the second earth moving means 18 is capable of vibrating in the front-rear direction based on the power from the input shaft 10.

Here, the soil lifting means 21 have the same structure as each other. For example, while moving forward in the soil of the field A, the soil of the entire wheel tread portion A1 is slightly lifted, and the wheel tread portion A1 is slightly lifted. The earth lifting member 31 has a substantially inverted T-shape when viewed from the front, which eliminates the depression.

The earth lifting member 31 is formed by joining two substantially L-shaped claws (rotary claws) 32, 32, and has a substantially vertical vertical plate portion 33. From the lower end of the portion 33, a pair of left and right action plate portions 34, 34 each having a slightly curved front downward slope are integrally projected in a diagonally downward direction. It should be noted that the distance between the tips of both working plate portions 34 is equal to the rear wheel T1.
Is larger than the width of. An upper end portion of the vertical plate portion 33 is attached to a first rotating frame 37 that is a front side vibrating frame that rotates in the front-rear direction about a support shaft 36 in the left-right direction.

The first rotating frame 37 of the machine frame 6 is
When the lower roller 39 is moved up and down based on the eccentric rotation of the upper roller 38 connected to the input shaft 10, the pair of left and right earth lifting members 31 are rotated about the support shaft 36.
It vibrates in the front-back direction.

Each of the first earth-moving means 15 has a bilaterally symmetrical structure, and for example, while moving forward in the soil near the surface of the field A, on the substantially flat surface of the wheel tread portion A1 of the field A. It has a first elongate plate 41 having a substantially elongated plate shape that draws in soil from the side.

As shown in FIGS. 1 and 3, the first earth moving plate 41 has an elongated shape having a longitudinal direction in a substantially horizontal direction inclined by a predetermined angle θ (θ is, for example, about 45 degrees) with respect to the front-rear direction. In addition, the front surface has a front-down sloped soil-draining inclined surface 42 that gradually descends from one end side in the width direction toward the other end side in the width direction. As is clear from FIG. 2, the slender sloped slanted surface 42 facing the front side is gradually slightly extended from the front end side which is one end side in the longitudinal direction to the rear end side which is the other end side in the longitudinal direction. It has risen to a substantially horizontal position.

Further, the front end portion of the first earth-moving plate 41 of the first earth-moving means 15 on the right side in the traveling direction and the front end of the first earth-moving plate 41 of the first earth-moving means 15 on the left side in the traveling direction are integrally connected to each other. The two first earth gathering plates 41 form a sand gathering body 43 having a substantially V shape in a plan view.

Furthermore, the front and rear surfaces of the pair of left and right first soil gathering plates 41 are integrally connected to each other by a substantially triangular connecting plate 45, and a substantially vertical vertical plate 46 extends upward from the connecting plate 45. The vertical plate 46 is integrally projected, and the upper end portion of the vertical plate 46 is attached to the first rotating frame 37.

The first rotating frame 37 of the machine casing 6 is
When the lower roller 39 is moved up and down based on the eccentric rotation of the upper roller 38 connected to the input shaft 10 and is rotated about the support shaft 36, the pair of left and right first earth moving plates 41 are moved to the first rotating frame 37.
And it vibrates in the front-back direction together with the pair of left and right earth lifting members 31. A corresponding earth lifting member 31 of the earth lifting means 21 is arranged at a front position of the rear end side substantially half of the first earth moving plate 41 of the first earth moving means 15.

Each of the second earth-moving means 18 has a bilaterally symmetrical structure. For example, while moving forward in the soil near the surface of the field A at the rear position of the first earth-moving means 15, the chemical liquid is injected after the chemical liquid is injected. It has a second elongate plate 51, which is a substantially slender plate-like member for drawing soil from the side, on the inner space of the ditches A2 and on the surface of the field A in the vicinity of the chemical liquid injecting grooves A2. The two earth-moving plates 51 are arranged in parallel with each other so as to face each other and be spaced apart from each other.

The second earth gathering plate 51 is slightly shorter than the first earth gathering plate 41, and the second earth gathering plate 51 is also
Similar to the first earth moving plate 41, a predetermined angle θ with respect to the front-back direction
(Θ is, for example, about 45 degrees) A slender shape having a longitudinal direction in a substantially horizontal direction that is inclined, and a forward descending sloped sloped slope that gradually descends from one end in the width direction to the other end in the width direction. It has 52 on the front. Note that, as is clear from FIG. 2, the slender sloped slanted surface 52 facing the front side is gradually gradually extended from the front end side which is one end side in the longitudinal direction to the rear end side which is the other end side in the longitudinal direction. It has risen to a substantially horizontal position.

Further, the front end portion of the second earth moving plate 51 of the second earth moving means 18 on the right side in the traveling direction and the front end portion of the second earth moving plate 51 of the second earth moving means 18 on the left side in the traveling direction are integrally connected to each other. The two second earth gathering plates 51 constitute the earth gathering body 53 which is substantially V-shaped in a plan view.

Further, the pair of left and right second soil gathering plates 51 are integrally connected to each other at their front end side rear faces by a substantially triangular connecting plate 55, and a substantially vertical vertical plate 56 is directed upward from this connecting plate 55. It projects together. The upper end of the vertical plate 56 is attached to a second rotating frame 59 that is a rear vibrating frame that rotates in the front-rear direction about a support shaft 58 in the left-right direction.

The second rotating frame 59 of the machine casing 6 is
When the lower roller 39 is moved up and down based on the eccentric rotation of the upper roller 38 connected to the input shaft 10, the pair of left and right second earth gathering plates 51 are rotated about the support shaft 58.
It vibrates in the front-back direction. The first rotating frame
37 rotation arm 37a and second rotation frame 59 rotation arm 5
9a is connected via a connecting link 60.

The groove-forming blades 16 have the same structure as each other. For example, the lower part of the groove-forming blade 16 is moved forward while being inserted into the soil of the field A, and substantially at the edge of the wheel tread portion A1 of the field A. It has a vertically long and slender substantially plate-shaped vibrating blade 61 which forms a vertically long concave chemical solution injection groove A2.

The vibrating blade 61, as shown in FIG.
A sharp cutting blade 62 is formed at the lower part of the front end. Also,
A chisel 63 is attached to the lower end of the vibrating blade 61, and an upper end of the vibrating blade 61 is attached to the second rotating frame 59.

The second rotating frame 59 of the machine casing 6 is
When the lower roller 39 moves up and down based on the eccentric rotation of the upper roller 38 connected to the input shaft 10, the pair of left and right groove forming blades 16 is rotated about the support shaft 58, and the second rotating frame 59 is rotated. And it vibrates in the front-back direction together with the pair of left and right second earth pulling plates 51. In addition, each groove forming blade body 16 corresponds to the corresponding first earth moving plate.
It is arranged at a position between 41 and the second shredding plate 51.

Each chemical solution injection pipe 17 is arranged along the rear end of the corresponding groove forming blade 16, for example. That is, the chemical injection pipe 17 is attached to the rear end of the vibrating blade 61 of the groove forming blade body 16 along the rear end thereof, and the chemical discharge port 65 is formed at the lower end of the chemical injection pipe 17. There is.

Further, one end of a hose 66 is connected to the upper end of the chemical solution injection pipe 17, and the other end of the hose 66 is connected to a pump 67. The pump 67 and the chemical solution tank 68 are connected to each other by a connection hose 69. Are communicated via.

Then, when the pair of left and right ground wheels 71, 71 such as gauge wheels provided on the machine frame 6 are rotated by the force received from the field A, the pump 67 operates in accordance with the rotation of the ground wheel 71,
The chemical liquid in each chemical liquid tank 68 is injected into the soil, that is, the internal space of the chemical liquid injection groove A2 from the chemical liquid discharge port 65 through the connection hose 69, the pump 67, the hose 66 and the chemical liquid injection pipe 17.

The power from the grounding wheel 71 is transmitted to the operating portion of the pump 67 via the transmission means 74 constituted by the chain in the chain case 72, the transmission shaft 73 and the like. Further, a pair of left and right chemical liquid tanks 68, 68 are attached to both left and right sides of the machine frame 6, and one pump 67 common to both chemical liquid tanks 68 is attached to a substantially central portion of the machine frame 6 in the left-right direction.

The crushing roller 22 rotates in a slip manner (forced rotation) based on the power from the input shaft 10. For example, the roller shaft 78 in the left-right direction is bridged between the bracket 76 and the chain case 77 of the machine frame 6. And a substantially cylindrical roller body 79 is attached to the roller shaft 78. The ground pressure of the compression roller 22 can be adjusted by the ground pressure adjusting means 80.

Next, the operation and the like of the above-described embodiment will be described.

When the soil disinfecting machine 5 is moved forward in the traveling direction in the field A by being pulled by the tractor T, the rear wheel T1 of the tractor T passes and the wheel treading portion A1 in the field A having a substantially shallow groove concave shape.
However, as shown in FIG. 4, the depression of the wheel treading portion A1 disappears due to the lifting of soil by the soil lifting member 31 of the vibrating soil lifting means 21, and the surface of the wheel treading portion A1 is It is substantially flush with the surface of other parts.

Then, on the substantially flat surface of the wheel tread portion A1 of the field A, the wheel tread portion A1 is adjacent to the wheel tread portion A1 by the earth sloping slope 42 of the vibrating first earth closing plate 15 of the first earth closing plate 41. A relatively large area of soil near the surface of the area is collected (see Fig. 5).

Thereafter, the oscillating groove forming blade 16 forms a groove A2 for injecting a chemical liquid in the wheel stepping portion A1 of the field A, and the chemical liquid from the chemical liquid tank 68 is filled in the groove A2 for injecting a chemical liquid by the chemical liquid injection pipe 17. Injected.

Next, as shown in FIG. 5 and FIG. 6, the vibrating second earth pull-up is performed on the internal space of the chemical solution injection groove A2 in which the chemical solution is injected and on the surface of the field A in the vicinity of the chemical solution injection groove A2. Due to the sloped surface 52 of the second grounding plate 51 of the means 18, a relatively wide range of soil near the surface of the portion slightly separated from the chemical solution injecting groove A2 is collected.
The chemical solution injecting groove A2 is closed.

Then, the crushing roller 22 in the slip rotation causes the first soil gathering plate 41 to gather the soil and the second soil gathering plate 51.
The soil forming the surface part of the field A including the soil by the soil is suppressed, and the surface of the field A after injection of the chemical liquid becomes a substantially flat and uniform state without unevenness, and as a result, the chemical liquid volatilizes into the atmosphere. Suppressed.

In this way, according to the soil disinfecting machine 5 of the above-mentioned one embodiment, the soil lifting means 21 for eliminating the depression of the entire traveling vehicle pressure portion A1 at the rear position of the rear wheel T1 of the tractor T.
And at the rear position of the earth lifting means 21,
The first soil gathering means 15 for bringing the soil to the side, the groove forming blade body 16 for forming the chemical solution injecting groove A2 in the traveling vehicle stepping portion A1 at the rear position of the first soil gathering means 15, and the groove forming blade body 16 The chemical liquid injection pipe 17 for injecting the chemical liquid into the chemical liquid injection groove A2 formed by
Second, the soil is moved to the groove A2 for chemical liquid injection after the chemical liquid is injected.
Since the earth-moving means 18 and the crushing roller 22 for crushing the field A at the rear of the second earth-moving means 18 are provided, the traveling vehicle treading portion 2 and the chemical solution injecting groove 3 that are recessed as in the conventional case remain. Without such a situation, it is possible to appropriately suppress the vaporized gas of the chemical solution from leaking from the soil of the field A into the atmosphere, and obtain a sufficient disinfecting effect.

In addition, during the operation of injecting the chemical liquid, each of the groove forming blade body 16, the earth lifting means 21, the first earth moving means 15 and the second earth moving means 18 is moved forward and backward based on the power from the input shaft 10. Since it vibrates, the traction resistance can be reduced, the load on the tractor T can be reduced, and the working efficiency can be improved.

Further, since the first earth-moving means 15 and the second earth-moving means 18 vibrate in the front-back direction, the soil is not pushed forward in the traveling direction, and the soil is released from the upper side to the rear in the traveling direction. Meanwhile, since the soil can be sent laterally toward a predetermined soil gathering portion, the soil can be gathered together as an average by the first soil gathering means 15 and the second soil gathering means 18, respectively.

The soil disinfecting machine 5 includes the groove forming blade 16, the earth lifting means 21, the first earth moving means 15 and the second earth moving means.
The invention is not limited to a parallel double type including 18 left and right pairs, and for example, although not shown, a single type including one groove forming blade 16 and one groove forming blade 16 are provided. For example, a parallel four-strip type having four each may be used.

The groove forming blade 16 is not limited to the one for forming the chemical liquid injecting groove A2 only on the traveling vehicle treading portion such as the wheel treading portion A1 and the traveling vehicle treading portion in the field A and this traveling vehicle treading portion. It suffices if the groove A2 for injecting the chemical liquid is formed in at least one of the portions near the tread portion, and for example, the portion near the tread portion of the traveling vehicle (a portion slightly displaced from the tread portion of the traveling vehicle).
It may be formed on only the traveling vehicle treading portion or in the vicinity of the traveling vehicle treading portion.

[0058]

According to the invention of claim 1, a groove forming blade for forming a groove for injecting a chemical solution in a field, a chemical solution injecting means for injecting a chemical solution into the groove for injecting a chemical solution, and a chemical solution injecting a chemical solution Since the soil collecting means for bringing the soil to the ditch is provided, it is possible to appropriately suppress the vaporized gas of the chemical solution from leaking from the soil in the field into the atmosphere, and to obtain a sufficient disinfecting effect.

According to the second aspect of the present invention, the soil gathering means for gathering the soil to the treading portion of the traveling vehicle in the field, the groove forming blade for forming the chemical solution injecting groove in the field, and the chemical solution for injecting the chemical solution in the groove. Since the chemical liquid injection means is provided, it is possible to appropriately suppress the vaporized gas of the chemical liquid from leaking from the soil in the field into the atmosphere, and obtain a sufficient disinfecting effect.

According to the third aspect of the invention, the first soil gathering means for gathering the soil to the tread portion of the traveling vehicle in the field, the groove forming blade for forming the chemical liquid injecting groove, and the chemical liquid for injecting the chemical liquid injecting groove. Since the chemical liquid injecting means and the second earth moving means for moving the soil to the chemical liquid injecting groove into which the chemical liquid has been injected are provided, it is possible to appropriately suppress the vaporized gas of the chemical liquid from leaking from the soil in the field to the atmosphere, and it is sufficient. It is possible to obtain various antiseptic effects.

According to the fourth aspect of the present invention, since the crushing means for crushing the field at the rear position of the second soil pulling means is provided, it is easy and appropriate for the vaporized gas of the chemical solution to leak from the soil in the field to the atmosphere. Can be suppressed to.

According to the fifth aspect of the invention, since the soil lifting means for eliminating the depression of the tread portion of the traveling vehicle in the field is provided in front of the first soil shifting means, the vaporized gas of the chemical solution is transferred from the soil in the field to the atmosphere. Leakage can be suppressed more appropriately.

According to the invention of claim 6, earth lifting means,
Since each of the first earth-moving means and the second earth-moving means can vibrate, traction resistance can be reduced and work efficiency can be improved.

According to the seventh aspect of the present invention, the soil can be smoothly attracted by the sloped surface of the first soiling means and the sloped surface of the second soiling means.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of a soil disinfecting machine of the present invention.

FIG. 2 is a side view of the same soil disinfecting machine.

FIG. 3 is a perspective view of a soil pulling means of the soil disinfecting machine.

[Fig. 4] Fig. 4 is a cross-sectional view of a field when working with the soil disinfecting machine.

FIG. 5 is a plan view of a soil pulling unit of the soil disinfecting machine.

[Fig. 6] Fig. 6 is a cross-sectional view of a field when working with the soil disinfecting machine.

FIG. 7 is a cross-sectional view of a field when working with a conventional soil disinfecting machine.

[Explanation of symbols]

5 soil disinfecting machine 15 First earth gathering means which is earth gathering means 16 groove forming blade 17 Chemical injection pipe, which is a means for injecting chemicals 18 Second earth gathering means which is earth gathering means 21 Earth lifting means 22 Suppression roller as a suppression device 42, 52 Sloping slope A field A1 Wheel tread which is the tread of traveling vehicle A2 chemical injection groove

Claims (7)

[Claims] 1. A soil disinfecting machine for injecting a chemical solution for soil disinfection into the soil of a field while moving forward, comprising: a groove forming blade for forming a chemical solution injection groove in the field; A soil disinfecting machine comprising: a chemical solution injecting means for injecting the chemical solution into the groove; and a soil-discharging means for disposing soil in the chemical solution injecting groove into which the chemical solution has been injected. 2. A soil disinfecting machine for injecting a chemical solution for soil disinfection into the soil of a field while moving forward by towing by a traveling vehicle, and a soil gathering means for bringing soil to a treading portion of the traveling vehicle in the field. A soil disinfecting machine comprising: a groove forming blade that forms a groove for injecting a chemical solution in the field, and a chemical solution injecting means for injecting the chemical solution into the groove for injecting a chemical solution. 3. A soil disinfecting machine for injecting a chemical solution for soil disinfection into the soil of a field while moving forward by towing by a traveling vehicle, the first soil disposing means for disposing soil on a tread portion of the traveling vehicle in the field. And a groove forming blade that forms a groove for injecting a chemical liquid in at least one of the traveling vehicle treading portion in the field and a portion in the vicinity of the traveling vehicle treading portion, and a chemical liquid injection for injecting the chemical liquid into the chemical liquid injecting groove. A soil disinfecting machine comprising: a means and a second soil gathering means for gathering soil into the chemical liquid injecting groove into which the chemical liquid has been injected. 4. The soil disinfecting machine according to claim 3, further comprising a squeezing means for squeezing the field at a position behind the second soil gathering means. 5. The soil disinfecting machine according to claim 3, further comprising soil lifting means for eliminating a depression of a tread portion of a traveling vehicle in a field at a position in front of the first soil gathering means. 6. The soil disinfecting machine according to claim 5, wherein each of the earth lifting means, the first earth moving means and the second earth moving means can vibrate. 7. The first earth-moving means and the second earth-moving means each have an elongated shape having a longitudinal direction in a substantially horizontal direction inclined by a predetermined angle with respect to the front-rear direction and from one end side in the width direction to the other end side in the width direction. The soil disinfecting machine according to any one of claims 3 to 6, wherein the soil disinfecting machine has a front-facing downward sloped earth-moving slope.