JPH0633609B2 - Field ditcher - Google Patents

Description

TECHNICAL FIELD The present invention relates to a field ditcher.

[Prior Art] Conventionally, a field ditcher of this type has been disclosed in Japanese Utility Model Publication No. 39-353.
No. 23 bulletin, Jpn.
As disclosed in JP-A-3-6982, the traveling machine body is provided with a machine frame, the machine frame is provided with a rotating plowing claw, and the plowing claw is used to plowing and crushing soil in the field and at the same time splashing and grooving. There is.

Further, as another conventional structure, a plow member is provided on the machine frame,
There is also a structure in which a plow member is used to dig a groove by traveling of the traveling body.

Further, as shown in Japanese Patent Laid-Open No. 56-150233, a machine frame is connected to a tractor, a groove cutting disk for making a cut in a field scene is provided in the machine frame, and field soil is scooped at a position behind the groove cutting disk in the traveling direction. There is also a structure in which a plow member which can be taken out and provided on the side is provided to dig a groove.

[Problems to be Solved by the Invention] However, in the case of the structure using the plowing claws in the above-mentioned conventional structure, the plowing action by centrifugal force is good but the plowing soil due to the centrifugal force causes the plowing soil to remain, and the ditch excavation trace is not always If it is not satisfactory, and if the plow member is used, the traction force of the traveling machine becomes excessive, and a large traveling machine that is difficult for ordinary farmers to purchase must be used.

In this respect, in the case of the structure disclosed in Japanese Patent Laid-Open No. 56-150233, two slits are preliminarily cut in the field scene by the grooved disc, and the field soil between the cuts is scooped by the plow member and discharged laterally. Since the structure is used to dig a groove, the groove digging performance is good, but when digging a relatively deep groove or when there is hard earth, the entire machine body lifts and the desired depth is maintained. However, there are some inconveniences such as not being able to dig trenches and having poor workability.

[Means for Solving the Problems] An object of the present invention is to eliminate these inconveniences, and the gist thereof is to provide a traveling machine body with a machine frame, and to place a cut in a field scene in the machine frame. A groove cutting disk consisting of a pair of groove cutting plates is provided, a drive mechanism for rotating the groove cutting disk using the power of the traveling machine body as a drive source is provided, and an earth falling body is arranged between the pair of groove cutting plates, The field ditcher is characterized in that a plow member capable of scooping up field soil and discharging it laterally is provided at a position rearward of the grooved disc in the traveling direction.

[Operation] While traveling on the traveling machine body, the drive mechanism is driven by using the power of the traveling machine body as a drive source, and the grooved disc composed of the pair of grooved plates arranged to face each other is forcibly rotated by the drive mechanism to generate the grooved plate. Makes a cut in the field while forcibly rotating, the soil body is located between a pair of groove plates, forcibly drops the soil that is picked up between the groove plates, and the soil behind the field is plowed by a plow member. Scooped off and discharged laterally, which results in continuous trenching.

[Embodiment] FIGS. 1 to 5 show an embodiment of the present invention, FIGS. 1 to 3 show the first embodiment, FIG. 4 shows the second embodiment, and FIG. 5 shows the third embodiment. Is.

In the first embodiment of FIGS. 1 to 3, reference numeral 1 denotes a traveling machine body, in this case, a tractor, and a three-point link type coupling mechanism 2 at the rear portion of the traveling machine body 1, in this case, left and right lower links 3, An upper link 4, a swing arm 5 that swings by hydraulic pressure,
The machine frame 7 is connected by the connecting mechanism 2 including the lifting link 6.

Reference numeral 8 denotes a groove cutting disk, and in this case, the groove cutting disk 8 is formed by arranging a pair of groove cutting plates 9 so as to be separated from each other by a predetermined distance.
A shaft cylinder 10 is interposed between the center portions of two grooved plates 9, and a cutout portion 11 is formed on the outer peripheral edge. A bearing member 12 is provided on the machine frame 7, and a rotary shaft 13 is provided on the bearing member 12. And the both ends of the rotary shaft 13 are formed in a hexagonal cross section.
The inner surface of is also formed into a hexagonal cross section, the shaft cylinder 10 is inserted into both ends of the rotary shaft 13 in a non-rotating state, the pin 15 is inserted into the selected pin hole 14, and the grooved disk 8 is provided at both ends of the rotary shaft 13. Is installed so that it can be moved and adjusted.

Reference numeral 16 denotes a drive mechanism. In this case, a gear case 17 is provided in the machine frame 7, and an input shaft 18 of the gear case 17 and the traveling machine body 1 are provided.
The power take-off shaft 19 is connected by a universal joint 20, the sprocket 22 is attached to the output shaft 21 of the gear case 17, the sprocket 23 is also attached to the rotary shaft 13, and the chain 24 is wound between the sprockets 22 and 23 to rotate. The shaft 13 is adapted to rotate.

25 is a plow member, in which case the width of the plow member 25 is formed to be the same as or slightly narrower than the width between the grooved plates 9.
The leading end of the plow member 25 is formed into a tapered shaving portion 25a, and the rear portion thereof is formed into a discharging portion 25b which is twisted so as to discharge the shavings laterally, and a mounting member 26 is provided at the rear portion of the machine frame 7. The support arm 28 is provided on the mounting member 26 so as to be movable and adjustable by the bolt 27, and the plow member 25 is mounted on the support arm 28.

29 is an earth falling body, and the earth falling body 29 is the support arm 2
8 is located between the groove cutting plates 9 and is located between the pair of groove cutting plates 9, and is sandwiched between the pair of groove cutting plates 9 to forcibly drop the soil that is lifted.

30 is a groove.

Since the first embodiment has the above-described structure, the driving mechanism 16 is driven while the traveling machine body 1 is traveling, using the power of the traveling machine body 1 as a drive source, and the driving mechanism 16 causes the pair of grooved plates 9 to face each other. The grooved disk 8 will be forced to rotate while making two cuts in the field scene.
Is located between the pair of groove cutting plates 9 and is forced to drop the soil that is sandwiched between the groove cutting plates 9 and lifted up, so that the cutting action of the groove cutting plates 9 is smoothly performed. The field soil filled with is scraped off by the plow member 25 at the rear of the field soil, and the scraped soil is discharged to the side, and as a result, it is possible to perform the field digging work, and first, forcibly rotate the groove cutting disk 8. While making a cut in the field scene, in this case making a cut with the two groove cutting plates 9 while forcibly rotating, and the plow member 25
The field soil is scooped and discharged to the side, which reduces the resistance to grooving work, which can suppress the lifting phenomenon of the airframe to a certain degree and make it possible to dig relatively deeply. In addition, the increase in the traction force of the traveling machine body 1 can be suppressed to that extent, and smooth and highly efficient groove digging work can be performed.

At this time, if the rotation direction of the grooved disk 8 is aligned with the traveling direction of the traveling machine body 1, running resistance can be reduced, smoothing and high efficiency can be achieved, and a function as a field groove can be excellently performed. The groove can be obtained.

Further, in this case, since the notch member 11 exists on the outer peripheral edge of the groove cutting plate 9, the groove cutting resistance can be reduced, and because the soil falling body 29 exists, mud is sandwiched between the groove cutting plates 9 in the case of soft soil. It is possible to drop the mud that is being lifted up and is trying to return, and it is possible to excavate better.

Further, in this case, the groove cutting disk 8 and the plow member 25 can be moved and adjusted, a desired inter-groove dimension can be set, and the machine frame 7 can be moved up and down by the connecting mechanism 2 to obtain a desired groove digging depth. .

Further, in this case, since the groove cutting disk 8 and the plow member 25 are provided at the rear position of the wheel of the traveling machine body 1, it is possible to dig a groove including a raised portion left in the trace of the wheel. Can be favorably flowed, and the function as a discharge groove can be favorably performed.

In the second embodiment shown in FIG. 4, the notch members 11 of the grooved plate 9 constituting the grooved disk 8 of the first embodiment are arranged so as to be offset from each other.

In the third embodiment shown in FIG. 5, the inner portion of the grooved disk 8 of the first embodiment is bulged in a dish shape, so that the upper corner portion of the groove 30 has a shape that pushes and expands.

Even in these second to third embodiments, it is possible to obtain substantially the same operational effects as in the first embodiment.

The drive mechanism 16 is not limited to this embodiment, but may be another power source without taking power from the power take-off shaft 19, for example.

Further, the grooved plate 9 and the notch 11 in the first embodiment and the like may be omitted to form a simple disk.

Further, in the above-described embodiment, two groove cutting disks 8 and plow members 25 are provided on the machine frame 7, but one or three or more may be provided.

[Effects of the Invention] As described above, according to the present invention, when the drive mechanism is driven by using the power of the traveling machine body as a drive source while traveling on the traveling machine body, the groove cutting disk formed of the pair of groove cutting plates facing each other is driven by the driving mechanism. Forcibly rotated, the gutter plate makes a notch in the field while forcibly rotating, and at this time the soil body is located between the pair of gutter plates and forced to lift the soil that is sandwiched between the gutter plates. And the grooving plate makes the cutting action smooth,
The field soil in the rear is scooped by the plow member and discharged to the side, which can reduce the digging work resistance, which can suppress the lifting phenomenon of the machine body to a certain extent and make a digging of a certain depth. In addition, it is possible to dig a relatively deep groove, and it is possible to suppress the increase in the traction force of the traveling body to that extent, and it is possible to perform a smooth and highly efficient digging work, and to continuously form a groove that can perform well as a field groove. Can be obtained.

As described above, the intended purpose can be sufficiently achieved.

[Brief description of drawings]

The drawings show an embodiment of the present invention. FIG. 1 is a side view of the first embodiment, FIG. 2 is a plan view thereof, FIG. 3 is a front view thereof, and FIG. 4 is a second embodiment. The side view of the main part, Fig. 5 is the third
It is a rear view of the principal part of an Example. 1 ... traveling machine, 7 ... machine frame, 8 ... grooved disk, 9 ...
Grooving plate, 16 ... Drive mechanism, 25 ... Plow member, 29 ...
… Soil bodies.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-56-150233 (JP, A) Actually opened 59-113002 (JP, U) Actually opened 57-89401 (JP, U) JP-B 44- 22448 (JP, B1) Actual public Sho 49-31683 (JP, Y1)

Claims (1)

[Claims] 1. A traveling machine body is provided with a machine frame, and the machine frame is provided with a grooving disk composed of a pair of grooving plates facing each other for making a cut in a field scene. A drive mechanism for rotating as a drive source is provided, an earth falling body is arranged between the pair of grooved plates, and a plow member capable of scooping the field soil at the rear position in the traveling direction of the grooved disk and discharging it sideways. An agricultural field trencher characterized by being provided and configured.