JPH0633610B2 - 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 Japanese Laid-Open Patent Application No. 3-6982, a traveling machine body is provided with a machine frame, a rotating tilling claw is provided on the machine frame, and the field soil is ploughed and crushed at the same time by the tilling claws, and at the same time, splashed and ditched. ing.

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. The gist of the invention is to connect a machine frame to a traveling machine body, and to make a cut in a field scene in the machine case. A groove cutting disk composed of a pair of arranged 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. A field member characterized by being provided with a plow member capable of scooping field soil at a rear position in the traveling direction of the grooved disc and discharging the field soil to the side, and a stabilizing member for grounding the field scene in the air frame. It's on a trencher.

[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 a pair of opposed grooved plates is forcibly rotated by the drive mechanism to form a pair. The groove cutting board makes a cut in the field scene while rotating forcibly,
The soil in the field after that is scooped by the plow member and discharged to the side, and at this time, since there is an earth falling body between the groove plates, mud is sandwiched between the groove plates in the case of soft soil. The mud that is being lifted and trying to return can be dropped, and since the stabilizing member is in contact with the field scene, stable traveling of the machine frame is possible and the depth of the groove can be maintained constant.

[Embodiment] FIGS. 1 to 5 show a preferred embodiment to which the present invention is applied, FIGS. 1 to 3 show the first embodiment, and FIGS.
This is an example.

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 mounted 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 and is located between the grooving plates 9.

30 is a groove.

Reference numeral 31 is a stabilizing member. The stabilizing member 31 is formed of a sled plate, the front portion of the stabilizing member 31 is pivotally attached to the machine frame 7 by a pin 32, and the rear portion of the stabilizing member 31 is vertically adjusted by a screw mechanism 33. It is possible.

34 is a partition plate, and the partition plate 34 is formed to have a smaller diameter than the outer diameter of the groove cutting plate 9, and is fixed to the shaft cylinder 10 between the two groove cutting plates 9.

Since the first embodiment has the above-described structure, the drive mechanism 16 is driven by the power of the traveling machine body 1 as a drive source while traveling the traveling machine body 1, and the grooved disk 8 is rotated by the drive mechanism 16 and thus the opposing mechanism is used. The two grooved plates 9 made up of a pair arranged make two cuts in the field while forcibly rotating. In this case, the inside of the field soil between the grooved plates 9 is divided by the partition plate 34. In addition, since the earth falling body 29 exists between the groove cutting plates 9, the mud that is sandwiched between the groove cutting plates 9 and is lifted as it is to return can be dropped in the case of soft soil, etc. The grooving plate 9 smoothly rotates to make a good cut, and the field soil in which the two cuts have been made is cut away by the plow member 25 at the rear thereof, and the cut soil is discharged to the side, As a result, it is possible to dig trenches in the field. Making a cut in the field while forcibly rotating with, in this case, making a cut with two groove cutting plates 9, and then scraping with the plow member 25 and discharging to the side, it is possible to reduce the resistance to digging work. It is possible to suppress the lifting phenomenon of the machine body, to make a ditch of a certain desired depth, and to make a relatively deep ditch, and because the machine frame 7 is provided with the stabilizing member 31, the stabilizing member 31 contacts the field scene. Then machine frame 7
Since the depth position is stable and the stabilizing member 31 can be adjusted up and down, an optimum contact state can be obtained, and more stable traveling is possible.

Moreover, an increase in the traction force of the traveling machine body 1 can be suppressed, and smooth and highly efficient digging work can be performed.

At this time, if the rotation direction is aligned with the traveling direction of the traveling machine body 1, the traveling resistance can be reduced, the smoothness can be improved, and the efficiency can be improved, and a groove that can effectively perform the function as the field groove can be obtained. In this case, since the notch member 11 exists on the outer peripheral edge of the groove cutting plate 9, the cutting resistance can be reduced.

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.

The second embodiment of FIGS. 4 and 5 shows another example of the stabilizing member 31,
In this case, the stabilizing member 31 is formed of an impeller-shaped member, and the stabilizing member 31 is fixed to the rotating shaft 13.

In the second embodiment as well, it is possible to obtain substantially the same operational effects as the first embodiment, and it is possible to obtain the traveling propulsion force by the stabilizing member 31.

The stabilizing member 31 is not limited to the above embodiment, but may be a float wheel, for example.

Further, although two sets of the grooved disk 8 and the plow member 25 are provided in the above embodiment, one set or three or more sets 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. It is forcibly rotated, the gutter plate makes a notch in the field while forcibly rotating, and the field soil behind it is scooped by the plow member and discharged to the side. It is possible to reduce the floating phenomenon of the airframe, and it is possible to dig a certain desired depth, and it is possible to dig relatively deep, and because there is an earth falling body between a pair of slicing plates, soft soil In the case of, for example, the mud is sandwiched between the grooved plates and lifted as it is and the muddy that tries to return can be dropped, and the grooved plate rotates smoothly to make a good cut, and further to the machine frame. Stabilizer provided Since the stability member is in contact with the field scene, the depth position of the machine frame is stable and more stable running is possible, and the increase in the traction force of the traveling machine can be suppressed to that extent, and smooth and highly efficient digging work is possible. Therefore, it is possible to continuously obtain a groove that can properly perform the function as a field groove.

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. FIG. 5 is a partial plan view of an essential part, and FIG. 5 is a side view of the essential part. 1 ... traveling machine, 7 ... machine frame, 8 ... grooved disk, 9 ...
Grooving plate, 25 ... Plow member, 29 ... Soil body, 31 ...
Stabilizer.

Continuation of front page (56) References JP-A-56-150233 (JP, A) JP-B-44-22448 (JP, B1) JP-B-43-27614 (JP, Y1)

Claims (1)

[Claims] 1. A grooving disk comprising a pair of grooving plates facing each other for connecting a machine frame to the traveling machine body and making a cut in a field scene in the machine frame, and the grooving disk being the power of the traveling machine body. A plow member that is provided with a drive mechanism that rotates using as a drive source, arranges an earth falling body between the pair of groove cutting plates, and scoops the field soil at a position rearward of the groove cutting disk in the traveling direction and can be discharged sideways. A field trench digging machine, characterized in that it is provided with a stabilizing member that is grounded in a field scene in the machine frame.