JPH0734701B2 - Soil disinfection machine - Google Patents

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, and more particularly to a method for injecting a chemical solution for soil disinfecting into the soil of a paddy field or upland field.

[0002]

2. Description of the Related Art Conventionally, as a soil disinfecting machine of this type, for example, a structure described in Japanese Utility Model Publication No. 60-40146 is known. In the structure described in this publication, a rotary cultivator is rotatably provided on a machine frame, an injection claw for injecting a chemical solution into the cultivated soil is provided at a rear part of the rotary cultivator, and a rear upper part of the injection claw is provided. In addition, a crushing roller for crushing the ground surface by rotation is rotatably provided.

[0003]

In the structure described in the above publication, the pressure roller is rotated by the machine frame being towed to suppress the ground surface, so that the soil in the field is like a wet field with a lot of water. When the soil is relatively soft, soil is likely to be attached and deposited on the peripheral surface of the compaction roller, and when the soil in the field is relatively dry soil such as a dry rice field, the ground surface is rough and easily compacted, and , The grooving formed by the injection claw cannot be fully filled, the storage stability of the chemical solution injected into the soil is insufficient, and the chemical solution easily evaporates from the ground surface, especially without using a rotary tiller. , When the vertical oscillating blade of the subsoiler and the chisel form a large number of cracks in the cultivated soil when forming drainage grooves in the tiller, the cracks could not be completely filled and were injected into the soil. Since the storage stability of the chemical liquid is insufficient, Easy, and there is a problem in that.

Therefore, the present invention has been made in view of such a point, and can prevent the soil from accumulating and accumulating on the peripheral surface portion of the compression roller without being influenced by the situation of the soil in the field. Can be squeezed tightly, and the chemical liquid injected into the soil has sufficient storage stability to prevent the chemical liquid from easily evaporating from the ground surface, ensuring the effectiveness of the chemical liquid injected into the soil. The purpose is to provide a soil disinfecting machine.

[0005]

The soil disinfecting machine of the present invention comprises:
A machine frame provided with a mission having an input shaft and a chemical liquid tank and provided with a transmission case and a bracket opposite to each other on the left and right, and by the output from the mission rotatably supported on the machine frame by a horizontal shaft. A vertically-moving vibrating blade, which is moved back and forth, and a chemical liquid conduit having a sprinkling port disposed along the rear end of the vibrating blade for spraying the chemical liquid supplied from the chemical liquid tank into the soil, A transmission case and a bracket which are located at the rear part of the vibrating blade and face each other of the machine frame.
It is rotatably provided between and is driven to rotate by the output from the mission and slips on the ground.
And a crushing roller that crushes the ground while rotating .

[0006]

In the soil disinfecting machine of the present invention, when the input shaft is rotated, the output from the mission causes the vibrating blade to move back and forth around the support shaft, and the output from the mission drives the compression roller to rotate. To be done. Then, vertical grooves are formed in the soil of the field by the vibrating blade in order, and the chemical solution is sequentially sprayed into the soil from the spray port of the chemical solution conduit. Not only this but also the cracks in the cultivated soil that are generated when the vertical grooves are formed are sprayed and scattered.

Further, although <br/> land surface after chemical spraying are sequentially put down to the soil at crush roller, by this time, put down roller is driven to rotate, the crush roller to the ground surface since put down the earth plane while slip rotation Te, without soil peripheral surface portion is Fuchaku the crush roller, that the chemical solution injected into the soil ground surface is closely put down to easily evaporates from the ground plane It is prevented and the effectiveness of the drug solution is secured.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of an embodiment of the present invention will be described below with reference to the drawings.

In FIG. 1, reference numeral 1 is a machine frame, and this machine frame 1
Has a main frame 2 arranged to face each other on the left and right. The front end portions of the left and right main frames 2 are connected and supported by a support frame 3, and the left and right main frames 2 are
A vertical connecting frame 4 is integrally fixed to an upper portion between front end portions of the left and right connecting frames 4, and the left and right connecting frames 4 are connected and supported by a stay 5 fixed between the left and right main frames 2. There is. Further, connecting pins 6 are respectively projected outward at the front end portions of the left and right main frames 2, and a connecting hole 7 is vertically formed at an upper end portion of the connecting frame 4.

A mission case 9 containing a mission 8 is fixed between the front side portions of the left and right main frames 2, and an input shaft protruding forward of the mission 8 is attached to the front side portion of the mission case 9. A bearing body in which a base end portion of 10 is rotatably supported by a bearing body 11, and a substantially middle portion of the input shaft 10 is fixedly supported between the left and right main frames 2.
It is rotatably supported at 12. Further, a cam 13 which is positioned between the front and rear bearing bodies 11 and 12 and is eccentrically rotated is fixed to the input shaft 10.

Further, a horizontal support shaft 14 is horizontally fixed between the rear side portions of the left and right main frames 2, and
A substantially intermediate portion of the rotating frame body 15 is mounted on the intermediate portion of 14 so as to be vertically rotatable. The rotating frame body 15 is formed to be long in the front-rear direction, and a roller shaft 16 is projected forward at a front end portion thereof, and a roller 17 engaged with a lower portion of the cam 13 is rotated on the roller shaft 16. The upper and lower cams are freely pivoted.
A holding body 18 holds the roller 13 and the roller 17 so as to always engage them.

An upper portion of the vibrating blade body 19 is detachably connected to the rear end portion of the rotary frame body 15 by a plurality of bolts and nuts 20. The vibrating blade body 19 has a main body 21 formed of a plate-like member and elongated in the vertical direction, and a front edge portion of the main body 21 has a series of vertical cutting blades extending from a substantially middle portion to a lower end portion thereof. 22 is formed, and a large number of mounting holes 23 through which the plurality of bolts are inserted are formed in the upper portion of the main body 21 at intervals in the vertical direction. Also, the main body
A crushing blade 24 of a chisel, which is inclined downward toward the front, is integrally fixed to the lower end of the crushing blade 21, and a claw bed 25 of the chisel is detachably connected to the rear end of the crushing blade 24. Then, the vibrating blade body 19 is inclined with respect to the rear end portion of the rotating frame body 15 in each mounting hole 23 at a selected position in the upper part in a state of being inclined forward and downward at a predetermined inclination angle. Are connected detachably with multiple bolts and nuts 20. And then
The vibrating blade body 19 is rotated back and forth about the support shaft 14 by the upper and lower cams 13 and rollers 17.

Further, the vibrating blade body 19 has long and short chemical liquid conduits 26, along the rear end portion of the body 21, that is, the rear edge portion.
27 are arranged at the front and rear, and the long and short chemical liquid conduits 26, 27 are supported by support tools 28 provided above and below the main body 21. At the lower end of the long chemical liquid conduit 26, a spray port 29 for spraying and spraying the chemical liquid on the cultivated soil near the cultivator is formed. Further, at the lower end of the short chemical solution conduit 27, a spray port 30 for spraying and spraying the chemical solution is formed on the upper part of the cultivated soil. Thus, the long and short chemical liquid conduits 26, 27 arranged at the front and rear are the main body 21
The cross-sectional shape is equal to the thickness of the rear end portion of the main body 21 or smaller than the thickness of the rear end portion of the main body 21 to prevent resistance when the main body 21 is rotated back and forth.

Next, a mounting plate 31 is fixed to the left and right main frames 2 at a substantially middle upper portion in the front-rear direction, and a pump 32 is fixed on the mounting plate 31. The pump 32 is connected to the chemical inlet via a hose 33.
34 is connected, and the chemical liquid tank 34 is connected to the left and right stays 5
It is placed and fixed on the top. Further, the two hoses 35, 36 connected to the chemical liquid outlet of the pump 32 are connected to the upper ends of the long and short chemical liquid conduits 26, 27, respectively.
In addition, the upper ends of the supporting legs 37 in the vertical direction, which are positioned substantially in the middle lower part in the front-rear direction, are connected to the left and right main frames 2 so as to be vertically position-adjustable by an unillustrated vertical adjusting means. Gauge wheels 39 are rotatably mounted on axles 38 provided at the lower ends of the left and right support legs 37, respectively. Further, the axle 38 on the one side is interlocked with the input shaft of the pump 32 through an interlocking medium 40.

A hollow cylindrical pipe body 41 is horizontally and integrally projected on the left and right parts of the mission case 9.
A transmission case 42, which is long in the front-rear direction, is provided so as to face the outer ends of the left and right pipe bodies 41 and be inclined rearward and downward.
The front ends of the bracket 43 and the bracket 43 are rotatably fitted together, and the left and right transmission cases 42 and the rear side of the bracket 43 are connected by a support rod 44. A rotary shaft 45 is rotatably mounted at a rear portion of the vibrating blade body 19 between rear ends of the left and right transmission cases 42 and the bracket 43, and a compression roller is attached to the rotary shaft 45. 46 is stuck. The output end of the output shaft of the transmission 8 is rotatably projected into the front end of the transmission case 42, and one end of the rotary shaft 45 of the compression roller 46 is rotated into the rear end of the transmission case 42. One end of the rotary shaft 45 is rotatably linked to the output end of the output shaft via an interlocking medium. The compression roller 46 is rotationally driven by the output from the mission 8 and faces the ground.
Then, it slips and rotates while suppressing the ground .

A connecting piece 47 projects upward from the left and right portions of the supporting rod 44, and the lower end portion of a suspension rod 48 is rotatably supported by the left and right connecting pieces 47. . Further, a suspension arm 49 having an L-shaped cross section is projected rearward at the rear end of the left and right main frames 2, and is inserted into a guide hole 50 formed in the suspension arm 49 on the left and right. The upper portions of the left and right suspension rods 48 are vertically movably inserted, and the left and right suspension rods 48 are
Between the stopper 50 attached to the upper end of the 48 and the upper portions of the left and right suspension arms 49, and the stopper 51 attached to the middle of the left and right suspension rods 48 and the lower portion of the left and right suspension arms 49. Coil springs 52 and 53 are provided between them. The left and right suspension rods 48 are vertically movably supported by the left and right upper and lower coil springs 52 and 53 disposed above and below the left and right suspension arms 49,
The compression rollers 46 are vertically moved by the left and right suspension rods 48 centering on the left and right pipe bodies 41 via the left and right transmission cases 42 and the brackets 43.

Next, the operation of the above embodiment will be described.

The connecting pins 6 of the left and right main frames 2 and the connecting holes 7 of the connecting frame 4 are connected to the three-point connecting portion of the tractor, and the input shaft 10 of the mission 8 is connected to the PTO shaft of the tractor via the power transmission shaft. Link. Then, the machine frame 1 is pulled by the tractor and the PT of this tractor is
When the input shaft 10 is rotated via the power transmission shaft by the output from the O shaft, the cam 13 of the input shaft 10 is rotated, and the rotating frame 15 is pushed by the cam 13 via the roller 17. The rotating frame body 15 is moved up and down about the support shaft 14, and the vertically vibrating blade body 19 connected to the rear end of the rotating frame body 15 is moved back and forth.

Further, as the input shaft 10 is rotated as described above, the compression roller 46 is rotationally driven by the output from the mission 8 via the interlocking medium in the transmission case 42. Further, when the machine frame 1 is pulled by the tractor, the left and right gauge wheels 39 rotate, and the rotation of this one gauge wheel 39 drives the pump 32 via the interlocking medium 40. The chemical solution in the chemical solution tank 34 is supplied to the chemical solution guide tubes 26, 27 via the hoses 35, 36, respectively.

The cutting blade 22 in the vertical direction of the vibrating blade body 19
At the cultivated soil in the field, vertical grooves are formed in the vertical direction one by one in the direction of advance, and at the bottom end of the chisel, the crushing blade 24 and the plowbed 25 form the cutting blade 22 on the cultivator in the field. Enlarged drainage channels communicating with the vertical grooves are sequentially formed in the traveling direction. Further, a series of vertical grooves and drainage grooves are formed in the vertical direction by the vibrating blade body 19, and the long and short chemical liquid guide tubes 26, 27 are arranged along the rear end of the vibrating blade body 19. Mouth 2
From 9th and 30th, the chemical solution is sprayed and sprayed into the soil at each position. That is, the chemical solution is sequentially sprayed from the spray port 29 of the long chemical liquid guide tube 26 into the cultivated soil close to the cultivator, and the chemical solution is sequentially sprayed from the spray port 30 of the short chemical liquid guide tube 27 into the upper part of the cultivated soil. . In this case, the chemical solution is sprayed sequentially not only on the upper and lower parts of the vertical groove but also on cracks in the cultivated soil that occur when the drain groove is formed by the crushing blade 24 of the chisel and the plowbed 25. Is diffused and scattered in the cultivated soil.

Further, although the land surface after chemical sprayed on the soil at suppression roller 46 which is disposed in the rear part of the vibrating blade 19 is sequential suppression, that this time, suppression roller 46 is rotated Accordingly, since the crush ground surface while slip rotation with respect to the crush rollers 46 ground surface, without soil peripheral surface portion is Fuchaku the crush rollers 46, flat is ground surface at the crush rollers 46 is embedded cracks in the ground while being leveled, therefore, it is possible to prevent the ground surface is tightly put down by the injected drug solution ground surface or <br/> et easily evaporates into the soil, ensuring the effectiveness of the chemical To be done. In addition, when you put down the land surface in the crush roller 46,
If the ground surface is changing uneven, the crush roller
46 following the change in the ground plane <br/> while vertically rotated against the upper and lower coil springs 52 and 53 of the left and right hanging lifting arm 49 via the left and right hanging Ji杆48, the crush rollers 46 the land surface is reliably put down to.

In the above-mentioned embodiment, the case where the vibrating blade body 19 having the chisel at the lower end forms a series of vertical grooves in the cultivating soil and the cultivator is not limited to this. The vertical groove may be formed only in the area.

Further, in the above embodiment, the case where the vertical groove is formed in the paddy field by the vibrating blade body 19 has been described, but the present invention is not limited to this, and the vertical groove is formed in the soil of the upland field by the vibrating blade body 19. It may be formed.

[0024]

According to the present invention, the compression roller rotatably driven by the output from the transmission is rotatably provided between the transmission case and the bracket, which are located at the rear portion of the vibrating blade body and face each other. and so, the suppression rollers crush while slip rotation of the earth surface can be proceed in this order, that the soil on the peripheral surface of the crush roller without being affected by the farm soils situation Fuchaku it is possible to reliably prevent, densely quell the land surface fill enough the cracks of the ground
To able integer locations to Rukoto, it can be reliably prevented from easily evaporating because there is no room left cracks leading to soil on the ground surface chemical sufficient storage stability of the chemical solution injected into the soil from the ground surface ,
The effectiveness of the drug solution injected into the soil can be secured.
Further, since the chemical liquid conduit having the spray port for spraying the chemical liquid in the soil is arranged along the rear end portion of the vibrating blade body forming the vertical groove, at the same time the vertical groove is formed by the vibrating blade body. the Ru can be ejected spraying chemical liquid in the soil through the longitudinal groove. Further, since the chemical liquid conduit is arranged along the rear end portion of the vibrating blade, the chemical liquid conduit does not become a resistance against earth pressure when the vertical groove is formed by the vibrating blade, and the chemical liquid conduit is It is possible to prevent obstruction of forward and backward movement. In addition, since the vibrating blade is provided with the chemical liquid conduit, it is possible to spray the chemical liquid deeply into the soil as compared with the rotary tiller having the chemical liquid injection claw at the rear portion thereof.

[Brief description of drawings]

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

FIG. 2 is a plan view of the same.

[Explanation of symbols]

 1 machine frame 8 mission 10 input shaft 14 support shaft 19 vibrating blades 26, 27 chemical liquid conduit 29, 30 spray port 34 chemical liquid tank 42 transmission case 43 bracket 46 compression roller

Claims (1)

[Claims] 1. A machine frame provided with a mission having an input shaft and a chemical liquid tank, and provided with a transmission case and a bracket opposed to each other on the left and right, and rotatably supported on the machine frame by a horizontal shaft. It has a vertical vibrating blade that is moved back and forth by the output of the mission, and a spray port that is arranged along the rear end of the vibrating blade and that sprays the chemical liquid supplied from the chemical liquid tank into the soil. It is rotatably provided between the chemical liquid conduit and the transmission case and the bracket located at the rear portion of the vibrating blade body and facing each other, and is driven to rotate by the output from the mission and faces the ground.
And a compression roller that suppresses the ground while slipping and rotating ,
A soil disinfecting machine comprising: