JP2564230B2 - Row forming 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 ridge forming machine which is attached to a towing vehicle and successively forms ridges in the traveling direction of the towing vehicle.

[0002]

2. Description of the Related Art A conventional ridge forming machine, as shown in FIG.
The ridges are formed by supplying the soil to the ridge forming portion in a raised state, and the side surface and the upper surface portion of the earth embankment portion are struck by the side tapping plate a and the top tapping plate b, respectively, to compact the ridges. . Alternatively, a ridge is formed by simply stroking the side and top portions of the embankment with a holding plate.

[0003]

However, when such a conventional ridge forming machine is used, there is a problem that the soil condition in the field is largely restricted.

That is, in the case of the method of compacting the soil by hitting the side surface portion and the upper surface portion of the earth embankment, in the case of soft soil having a large amount of water, the soil adheres to the hitting plate in a solid state. As a result, compaction becomes difficult and ridges cannot be formed. In the case of hard soil having a small amount of water, the ridge could not be compacted due to poor adhesiveness of the soil. For this reason, in the conventional ridge forming machine, the soil is required to have a moderately moist and sticky property, resulting in a problem of poor utilization efficiency. Further, even when the ridges are formed under allowable soil conditions, the soil was not compacted sufficiently because the soil was merely hit by hitting the embankment. for that reason,
There is a problem that the foreign matter in the soil is exposed on the surface of the ridge and the ridge is not finished well and a strong ridge cannot be formed.

Further, in the method of stroking the earth filling portion with the pressing plate, compaction of the ridges is likely to be insufficient, so that more severe soil condition is required.

[0006]

In order to solve the above problems, the ridge forming machine according to the present invention employs the following means.

That is, the ridge forming machine 1 according to the present invention is attached to a towing vehicle to sequentially form ridges in the traveling direction of the towing vehicle, and the ridge forming section 2 continuously raises the soil. It comprises an earth-filling device 3 for supplying and a ridge-forming device 4 for compacting the soil filled in the ridge-forming portion 2 to form ridges. The ridge forming device 4 is composed of a round shaft which is rotated around an axis orthogonal to the ridge and whose rotation direction is set so that its upper peripheral surface rotates in the traveling direction of the towing vehicle to form a ridge upper surface. An inner rotary plate 36 for forming a ridge inner side surface having a conical surface having a large diameter toward the inner side is continuously provided at the inner end of the rotator, which includes the body 33 and forms an inner edge of the ridge upper surface, Board 36
The rotating body 33 and the rotating body 33 are integrally rotated,
Further, the traveling length of the towing vehicle per unit time is L1, and the rotating body 3
The circumference of 3 is L2, the number of rotations of the rotating body per unit time is N
Then, the relationship of N × L2> L1 is satisfied.

In the ridge forming machine according to the present invention, the ridge forming device 5 has an outer side for forming a ridge outer surface having a conical surface having a large diameter toward the outside at the outer end of the rotating body forming the outer edge of the ridge upper surface. In some cases, the rotary plates 39 are arranged in series so that the rotary body 33, the inner rotary plate 36, and the outer rotary plate 39 rotate integrally.

In the ridge forming machine according to the present invention, the earth embankment device 3 is provided with a rotary 13 which is rotated around an axis parallel to the ridge, and the tillage claw 15 of the rotary is provided.
Is formed in a bifurcated shape that branches in the opposite direction when viewed in the axial direction of the rotary, and the soil repelled by the rotation of the rotary 13 is guided by the guide path 25 toward the ridge forming portion. Good to configure.

[0010]

When the towing vehicle 5 is advanced, the earth embankment device 3 and the ridge forming device 4 are operated, and the earth embedding device 3 causes the soil to be continuously piled up in the ridge forming portion (flat surface or collapsed old ridge) 2. 1 and the earth fill portion 6 shown in FIG.
2 is formed.

Since the relationship of N × L2> L1 is set to be satisfied, not only between the inner rotary plate 36 and the side surface portion 63 of the earth embankment portion, but also between the rotating body 33 and the upper surface portion of the earth embossment portion. Also between 64 and 64, a slip phenomenon occurs due to excessive rotation of the rotating body 33. By such a slip phenomenon, the outer surface of the ridge is firmly compacted in a kneaded state, and the upper surface 32 of the ridge and the inner side surface 35 of the ridge are finished as a stable surface with little unevenness (FIG. 4), and a strong ridge is formed. It will be.

When the outer rotary plate 39 is connected to the outer end of the rotary body 33, the rotary body 33, the inner rotary plate 36, and the outer rotary plate 39 rotate integrally, and are accompanied by an excessive rotation of them. Due to the slip phenomenon, a strong ridge, in which the ridge upper surface 32 and the inner and outer side surfaces 35, 37 are finished as stable surfaces, can be formed in the same manner as described above.

When the earth embankment device 3 is constructed so as to be provided with the rotary 13 having the tilling claw 15 and the guide path 25 which are formed in a bifurcated shape on the tip side, the rotary 13 rotates with the rotation. Even hard soil is easily crushed, and the crushed soil is caught in the bifurcated portion 60 of the tilling claw and scooped up. The soil repelled is guided by the guide path 25, falls at the upper end, and is continuously supplied to the ridge forming portion 2 in a raised state.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 3, a ridge forming machine 1 according to the present invention comprises an earth embankment device 3 for supplying soil to a ridge forming portion 2 (FIG. 1) in a heaped state, and compacting the soil accumulated in the ridge forming portion to form ridges. And a ridge forming device 4 for forming. In the present embodiment, the earth embankment device 3 is provided in the first speed reducer 9 of the speed reducer 7 that is rotationally driven by the power source 6 of the tow vehicle 5, and the ridge forming device 4 is provided in the second speed reducer 10. It is provided.

As shown in FIGS. 1 and 2, the earth embankment device 3 is provided in front of the first speed reducer 9 and has a ridge 11 (FIGS. 1 and 2).
The rotary shaft 12 parallel to
When the rotation shaft rotates clockwise (rotates in the direction of arrow F1 in FIG. 1) when viewed from the front side, the tillage claw 15 of the rotary 13 rotates clockwise in a state orthogonal to the ridge 11.

The rotary 13 is formed by bolting a portion 19 of the tilling claw 15 on the base end side between the holding plates 16 and 17 in a holding state so as to project in a counterclockwise curved state. The central portion of the plate is fixed to the rotary shaft 12. In the present embodiment, the tillage claw 15 is formed by stacking a front claw piece 20 and a rear claw piece 21, which are in the shape of a scallop, back to back. Then, the tip-side portion 22 of the front nail piece 20 is bent forward, the tip-side portion 23 of the rear nail piece 21 is bent backward, and the tiller nail 15 as a whole has a tip-side portion. It is formed in a bifurcated shape that branches in the opposite direction when viewed in the axial direction of the rotary 13. In addition, the first deceleration unit 9 has a guide path 25 for guiding the soil repelled by the clockwise rotation of the rotary 13 to the ridge forming unit 2.
It is provided so as to cover the upper side of. And the taxiway 2
5, the side plates 27 and 29 are provided at the front and rear edges of the inclined guide plate 26 that is inclined obliquely upward toward the right side (ridge forming portion side),
The front side plate 27 is formed so as to wrap around to the rear at the upper end side, and the repelled soil is guided by the wrapping side plate 27a and drops toward the ridge forming part 2.

On the other hand, the ridge forming device 4 is shown in FIGS.
As shown in FIG. 6, a hexagonal prism that is provided on the right side surface of the second speed reducer 10 so as to project orthogonally to the ridges and rotates counterclockwise when viewed from the right side (rotates in the direction of arrow F2 in FIG. 1). A rotary tool 31 forming the trapezoidal ridge 11 shown in FIG. 1 is fixed to the rotary shaft 30 (FIG. 5) of FIG.

The rotating tool 31 has a ridge inner side surface 35 (FIG. 4) formed at the inner and outer ends of a rotating body 33 formed of a round shaft (a cylindrical round shaft in this embodiment) forming the ridge upper surface 32. The inner rotary plate 36 and the outer rotary plate 39 forming the ridge outer surface 37 (FIG. 4) are provided.
The position 0 is set so that it is located behind the rotary 13 (FIG. 2).

As shown in FIGS. 3 and 5, the inner rotary plate 36 is fitted with a fitting portion 42 which fits with the inner end side portion 41 of the rotary body 33.
On the peripheral edge of the circular substrate portion 43 protruding from the outer surface of the central portion,
It is formed as a conical plate body in which conical plate portions 45 having a large diameter toward the inside are continuously provided with the peripheral edge as a base end. Further, an insertion hole 46 for inserting the rotary shaft 30 is provided in the central portion of the fitting portion 42, and the fitting portion 4 is also provided.
On the inner surface side of 2, a fixed cylinder 47 in the form of a hexagonal column for inserting the rotary shaft 30 is provided so as to project inward in alignment with the insertion hole 46.

On the other hand, as shown in FIGS. 3 and 5, the outer rotary plate 39 has a fitting portion 5 for fitting with an outer end side portion 49 of the rotating body 33.
0 on the peripheral edge of the circular substrate portion 51 protruding from the inner surface of the central portion,
It is formed as a conical plate body in which conical plate portions 52 having a large diameter toward the outside are continuously provided with the peripheral edge as a base end. Further, an insertion hole 53 for inserting the rotary shaft 30 is provided in the central portion of the fitting portion 50, and the fitting portion 5 is also provided.
On the outer surface of No. 0, a fixed cylinder 54 (FIGS. 1 and 3) in the shape of a hexagonal cylinder for inserting the rotary shaft is provided so as to project outward in alignment with the insertion hole 53.

The rotary tool 31 having the above structure is attached to the rotary shaft 30.
First, the inner rotary plate 36 is fixed to the fixed cylinder
The rotary shaft 30 is inserted through the shaft 7 and attached to the rotary shaft. After that, the inner end side portion 41 of the rotating body 33 and the fitting portion 42 of the inner rotating plate are fitted together, and thereafter, the fixed cylinder 5 of the outer rotating plate 39 is fitted.
4, the rotary shaft 30 is inserted, and the fitting portion 50
And the outer end side portion 49 of the rotating body are fitted to each other, and the inner rotating plate 3
6 and the outer rotary plate 39, the rotary body 33 is strongly clamped to the rotary shaft of the fixed cylinder.
(Figure 1) As a result, the rotating tool 31 that rotates as a whole is fixed to the rotating shaft 30.
As shown in FIG. 6, an engaging projection 56 is provided on the peripheral surface of the fitting portion, and an engaging recess 57 is provided on the inner end side portion 41 and the outer end side portion 49 of the rotating body 33. Locking protrusion 56
By fitting the locking recess 57 with the locking recess 57, the three members may be integrated in the rotational direction.

When the traveling length of the towing vehicle 5 per unit time is L1, the circumference of the rotating body 33 is L2, and the number of rotations of the rotating body 33 per unit time is N, the relationship of N × L2> L1 is satisfied. Is set to be satisfied. The size of this N is set appropriately according to the soil condition and the water content of the soil.
Next, the operation of the ridge forming machine according to this embodiment will be described with reference to FIGS. 1 and 4. When the first speed reducer 9 and the second speed reducer 10 are actuated at the same time when the towing vehicle is advanced, the soil is crushed by the rotation of the rotary 13 of the earth embankment device 3, and the crushed soil of the tiller claw 15 is crushed. In the state of being caught in the bifurcated portion 60 or the gap 61 between the front and rear claw pieces, the person is scooped up and scooped up. As shown by the arrow in FIG. 4, the soil that has been flipped up is guided by the guide path 25 and falls at the upper end, and as shown in FIGS. 1 and 4, the inner rotary plate 36 and the outer rotary plate 39 of the rotary tool 31 are separated. In the meantime, that is, the ridge forming part 2 is supplied in a raised state. The earth embankment 62 is the rotating tool 31 of the ridge forming device 4.
The ridges 11 (FIGS. 1 and 4) are compacted by the rotation of the rotating body 33. A slip phenomenon occurs due to excessive rotation of the inner rotary plate 36 and the outer rotary plate 39, and the outer surface of the ridge is firmly compacted in a kneaded state. As a result, strong ridges with few surface irregularities are formed.

If there is a relationship of N × L2 = L1 and the rotating body simply rolls as the towing vehicle advances, the rotating tool 31 is the same as in the conventional ridge forming machine of the above-mentioned stroking system. The outer surface of the embankment is simply stroked and the ridges tend to collapse.

FIG. 7 exemplifies a rotating tool 31 which forms a ridge 11 having a triangular cross section, and a rotating body 33 has a short length. The length of the rotating body 33 may be shorter than that shown in the drawings. FIG. 8 shows a case where the diameter of the outer rotary plate 39 is made larger than the diameter of the inner rotary plate 36, and FIG. 9 omits the outer rotary plate 39 and uses the inner rotary plate 36 and the rotary body 33 to rotate the rotary tool. 31 shows the case where it is configured, and ridges can be formed according to the form of the rotating tool.

In the above embodiment, the rotary 13 may be constructed as a plurality of sets of tillage claws arranged side by side in the axial direction of the rotary shaft. It should be noted that the earth embankment device is not limited to the structure shown in the embodiment, and various structures capable of continuously supplying soil to the ridge forming portion in a heaped state can be adopted.

[0026]

EFFECTS OF THE INVENTION Since the present invention is constructed as described above, the earth embankment portion of the ridge forming portion is softened by the slip phenomenon with respect to the outer surface of the ridge caused by the excessive rotation of the rotating body, the inner rotary plate and the outer rotary plate. Whether the soil is hard or hard, the outer surface of the ridge can be firmly compacted in a kneaded state to form a strong ridge with less unevenness. Therefore, the ridge forming machine according to the present invention has a wide range of applicability to soil conditions such as water content and hardness of soil, and is excellent in versatility.

In particular, when the earth embankment device is constituted by a rotary having a tilling claw whose front end portion is formed in a bifurcated shape, the crushed soil is caught in the forked portion of the tilling claw and is surely caught. Be repelled by. Therefore, even if the soil is soft, the soil can be continuously supplied to the ridge forming portion in a heaped state through the guide path.

[Brief description of drawings]

FIG. 1 is a perspective view illustrating a ridge forming machine.

FIG. 2 is a side view explaining the ridge forming machine together with its operation.

FIG. 3 is a plan view illustrating a ridge forming machine.

FIG. 4 is an explanatory view illustrating the operation of the ridge forming machine.

FIG. 5 is an exploded perspective view illustrating a rotating tool.

FIG. 6 is a perspective view illustrating another aspect of the rotating tool.

FIG. 7 is an explanatory diagram illustrating another aspect of the rotating tool.

FIG. 8 is an explanatory diagram illustrating another aspect of the rotating tool.

FIG. 9 is an explanatory diagram illustrating another aspect of the rotating tool.

FIG. 10 is an explanatory diagram illustrating a problem of a conventional ridge forming machine.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Ridge forming machine 2 Ridge forming part 3 Earth-filling device 4 Ridge forming device 13 Rotary 15 Tillage claw 25 Taxiway 33 Rotating body 36 Inner rotating plate 39 Outer rotating plate L1 Traveling length of towing vehicle per unit time L2 Circle of rotating body Cycle N Number of rotations of the rotating body per unit time

Claims (3)

(57) [Claims] 1. A ridge forming machine that is attached to a towing vehicle and sequentially forms ridges in the traveling direction of the towing vehicle, and a soil embankment device 3 that continuously supplies soil to the ridge forming portion 2 in a heaped state. A ridge forming device 4 for forming a ridge by compacting the soil piled up in the ridge forming part 2, the ridge forming device 4 being rotated about an axis orthogonal to the ridge and having an upper peripheral surface thereof being a towing vehicle. The rotating body 33 is formed of a round shaft whose rotation direction is set so as to rotate in the advancing direction of the ridge and which forms a ridge upper surface. An inner rotary plate 36 for forming an inner side surface of a ridge having a conical surface is formed so that the inner rotary plate 36 and the rotary body 33 rotate together, and a towing vehicle per unit time. L1 is the traveling length of the rotating body 3
The circumference of 3 is L2, the number of rotations of the rotating body per unit time is N
Then, the ridge forming machine is characterized in that the relationship of N × L2> L1 is satisfied. 2. An outer rotary plate 39 for forming a ridge outer surface having a conical surface having a large diameter toward the outside is continuously provided at the outer end of the rotator forming the outer edge of the ridge upper surface, and the rotator 33 is provided. The ridge forming machine according to claim 1, wherein the inner rotary plate 36 and the outer rotary plate 39 are integrally rotated. 3. The earth embankment device 3 comprises a rotary 13 which is rotated about an axis parallel to the ridges, and a portion of the rotary on the tip side of the tillage claw 15 is a bifurcated branch which is opposite in the axial direction of the rotary. Formed in a circular shape, and rotary 1
The ridge forming machine according to claim 1, wherein a guide path 25 for guiding the soil repelled by the rotation of 3 to the ridge forming section 2 is provided above the rotary.