JP2640215B2 - 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 traveling vehicle and sequentially forms ridges in the traveling direction.

[0002]

2. Description of the Related Art As shown in FIG.
The side portion and the upper surface portion of the embankment portion a formed by supplying the soil to the ridge formation portion in a raised state are compacted by striking the side portion and the upper portion portion with the side striking plate b and the upper surface striking plate c, respectively. Was. Alternatively, a ridge is formed by simply stroking the side and top portions of the embankment with a holding plate.

[0003] However, such a conventional ridge forming machine has a problem that the soil condition of the field is greatly restricted. In other words, in the method of compacting the soil by hitting the side and top portions of the embankment portion, in the case of soft soil having a large amount of moisture, the soil adheres to the striking plate in a solidified state and is tightened. There was a drawback that hardening was difficult and ridges could not 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, and there is a problem that the utilization efficiency is poor. 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 this reason, there was a problem that the finish of the ridge was poor and a strong ridge could not be formed because foreign matter in the soil was exposed on the surface of the ridge.

Further, in the method in which the embankment portion is stroked with a pressing plate, strictly compacted ridges tend to be insufficient, so that more severe soil conditions are required.

In order to solve such a problem, the present inventor has proposed a ridge forming machine d as shown in FIG. 17 in Japanese Patent Application No. 4-200503.

[0006] The ridge forming machine is rotated around an axis orthogonal to the ridge to form a rotator g at the inner and outer ends of a circular rotator g forming the upper surface f of the ridge e. Conical rotators j and k having conical surfaces are connected in series with a common axis, and the circular rotator g and the two conical rotators j and k are integrally rotated around the common axis. I was The circular rotator g and the two conical rotators j and k knead the upper surface n and the side surface o of the embankment m formed by supplying the soil to the ridge forming portion with slipping, and tighten the outer surface. It forms a hardened ridge, and has an excellent advantage of solving the above-mentioned problems in the conventional beating type ridge forming machine.

[0007]

However, in the above-mentioned ridge forming machine, the circular rotator and the conical rotator are rotated around a common axis, and the ridge surface is kneaded only by the slip phenomenon. As a result, there was concern about whether the skirts of the ridges, where water leakage was likely to occur, were densely compacted. If the hem side of the ridge is not compacted tightly, the tunnel will be easily dug into the ridge due to moles and vignetting, and water leakage will easily occur.

An object of the present invention is to form a firm ridge which is hard to leak water by tightly compacting a skirt portion of the ridge.

[0009]

In order to solve the above problems, the present invention employs the following means. That is, a ridge forming machine according to the present invention is a ridge forming machine that is attached to a traveling vehicle and sequentially forms ridges in the traveling direction thereof, and an earth filling device that supplies soil to a ridge forming part in a raised state, and a ridge forming part. And a ridge forming device for compacting the soil piled up in the ridge to form a ridge. The ridge forming apparatus is configured such that an inner conical rotator having a divergent conical surface forming an inner surface of the ridge is continuously connected to an inner end of a circular rotator having a circumferential surface forming an upper surface of the ridge. The conical rotator and the circular rotator are integrally rotated about a rotation axis eccentric to the axis of the cone of the conical rotator, and the conical surface of the conical rotator is The protrusions for pressing at least the hem side portion of the inner surface portion of the embankment portion are arranged side by side at a required interval in the circumferential direction.

In the above-mentioned ridge forming machine, it is preferable that the protruding portions are arranged slightly inwardly than the leading edge of the conical rotating body and are arranged side by side in the circumferential direction. It is preferable that the projection has a hemispherical projection.

[0011] In each of the ridge forming machines, an outer conical rotator having a divergent conical surface forming the outer surface of the ridge may be connected to the outer end of the circular rotator. In this case, the inner conical rotator, the outer conical rotator, and the circular rotator are integrally rotated about a rotation axis eccentric to the axis of the cone of the inner conical rotator.

In each of the ridge forming machines, the inner conical rotation
The rotation axis eccentric to the axis of the body cone is a circular rotation
It doesn't matter if it matches the body axis. Also inside cone
The axis of rotation eccentric to the axis of the cone of the rotating body is
It does not matter if it matches the axis of the cone of the cone of revolution
No.

[0013] In each of the ridge forming machines, it is preferable that the discharging portion of the embankment device is provided so as to supply the soil in the vicinity of the space formed by the inner conical rotator and the circular rotator. Alternatively, the discharge portion of the embankment device may be provided so as to supply the soil in the vicinity of a space formed by the inner conical rotator, the outer conical rotator, and the circular rotator.

[0014]

[Function] However, between the circular rotating body and the upper surface of the embankment portion,
And when the ridge forming machine is operated by adjusting the rotation speed of the ridge forming device so that a slip phenomenon occurs between the conical rotator and the side portion of the embankment portion, at least the inner conical rotator is moved with its progress. Rotates in an eccentric state.

Accordingly, as for the inner conical rotating body, it progresses with eccentric rotation, so that each protruding part is formed such that its center draws an arc locus 68 shown in FIG. Touches 35a. In other words, the projection is brought into contact with the inner surface 35a of the embankment at the upper end of the circular arc locus by being in a downwardly inclined state at a constant angle corresponding to the amount of projection. As the rotation of the conical rotator further proceeds, the inner surface portion of the embankment is gradually pushed deeper, and the projection is pushed deepest at the lowermost position, for example, as shown in FIG. As a result of the movement of each protrusion, the required width portion on the skirt side of the inner side surface portion 35a of the embankment portion is firmly compacted in a kneaded state to the inside. Moreover, since the conical rotator rotates eccentrically, the inner surface portion of the embankment portion is compacted up and down more widely than in the case where it is not eccentric.

This will be described by taking as an example a case where the projection has a hemispherical projection surface. In FIG. 8, the lowermost arc locus 6
8a shows an arc trajectory of the projection 36 in which the distance between the rotation center of the conical rotator and the center of the projection is the largest,
The uppermost arc locus 68b indicates the arc locus of the protrusion 36 in which the distance between the rotation center of the conical rotating body and the center of the protruding portion is minimum, and the center is located on the lowermost arc locus. A width L1 surrounded by a lower horizontal line 72 passing through the lower end 71 of the pushing portion of the projection 36 (see FIG. 9) and an upper horizontal line 75 passing through the upper end 73 of the pushing portion of the projection centered on the uppermost arc locus. The part will be compacted at the protrusion. Incidentally, when the conical rotator does not rotate eccentrically even if the conical rotator has a protrusion, the portion pushed by the protrusion 36 is, as shown in FIG. 10, a lower horizontal line passing through the lower end of the protrusion. The width L2 portion is surrounded by the upper horizontal line 87 passing through the upper end of the protrusion 86 and is smaller than the width L1 portion. I understand well.

[0017] In the conical surface of the conical rotator, where the protrusion is not provided, the conical surface causes a slip phenomenon between the conical rotating body and the inner surface of the embankment.
The inner surface is kneaded.

As a result, the inner surface of the ridge is compacted in a kneaded state. In particular, since the hem side portion is pushed in while being crushed and crushed by the protrusion, it is compacted more densely, and a stable ridge is formed.

The circular rotating body which rotates integrally with the conical rotating body compacts the upper surface of the embankment portion in a kneaded state with a slip phenomenon. When this circular rotator is rotated in an eccentric state in the same manner as the conical rotator, the circumferential surface of the circular rotator pushes the inner surface of the embankment portion while kneading it more strongly. It is preferable because it can be compacted more firmly.

Further, when the ridge forming machine according to the present invention forms a ridge having a trapezoidal cross section, the outer conical rotator having a divergent conical surface forming the outer surface of the ridge is formed outside the circular rotator. When provided at the end, the outer circular rotating body compacts the outer surface portion of the embankment portion in a kneaded state while causing a slip phenomenon in the same manner as described above. In particular, when the outer conical rotator is rotated in an eccentric state, the outer surface portion is more effectively kneaded, which is preferable.

In particular, in the case where the projection is provided in the circumferential direction while being slightly inward of the front end edge of the inner conical rotating body, a portion on the front end side of the conical rotating body serves as a cutting blade and serves as a cutting surface. It is preferable because the lower end of the side surface of the ridge can be shaped into a smoother inclined surface.

[0022]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 4, a ridge forming machine 1 according to the present invention forms a ridge by compacting a soil filling device 3 for supplying soil to a ridge forming section 2 (FIG. 1) in a raised state and soil filled in the ridge forming section. And a ridge forming device 5. In this embodiment, the embankment device 3 is attached to a first speed reduction portion 9 of a speed reduction device 7 that is rotated and driven by a power source of a traveling vehicle 6 (FIG. 3) using a tractor, and a second one thereof is provided. The row forming device 5 is attached to the speed reduction unit 10.

As shown in FIGS. 1 to 4, the ridge forming device 5 has, for example, a hexagonal column-shaped rotating shaft 11 at the lower end of the second deceleration unit 10 in the ridge forming portion so as to be orthogonal to the ridge to be formed. A rotating tool 13 is formed on the rotating shaft 11 so as to project toward the rotating shaft 11 and form a trapezoidal ridge 12 shown in FIG. The rotating direction of the rotating tool 13 is set, for example, clockwise (rotated in the direction of arrow F1 in FIG. 3) when viewed from the ridge forming portion side.

The rotator 13 includes an inner conical rotator 18 forming an inner surface 17 (FIG. 4) of a ridge at the inner and outer ends of a circular rotator 16 having a circumferential surface 15 forming an upper surface 14 of the ridge. And the outer conical rotator 20 forming the outer surface 19 of the ridge (FIG. 4)
So that the whole can rotate integrally.

In this embodiment, as shown in FIG. 5, the inner conical rotator 18 extends along the outer peripheral edge of the top opening 22 of the conical body 21 having a hollow truncated cone shape. An annular protrusion 25 is fitted around the inner end portion 23 of the body 16, and the top opening 22 is closed by a rotating shaft holding plate 26 on the back side of the conical body.

The rotating shaft holding plate 26 is fitted almost in close contact with the top opening 22 on one surface of a circular fixing plate 29 fixed with bolts 28 to the back peripheral portion 27 of the top opening. The insertion protrusion 30 is expanded, and the hexagonal insertion hole 31 is eccentric with respect to the axis of the conical body 21.
A hexagonal cylindrical body 32 is provided on the other surface of the fixing plate so as to be aligned with the through hole 31.

On the part of the conical main body that is slightly recessed from the tip edge 33, the inner surface of the embankment 35 (FIGS. 1 and 4) formed in the ridge forming portion is circumferentially provided. A large number of fixing holes 37 for fixing the protruding portions 36 to be pressed are arranged at equal angular pitches.

In this embodiment, the projection 36 is formed in a hemispherical shape. As shown in FIG. 6, a bolt insertion hole 39 extends through the projection 36 along the axis thereof, and a top portion of the bolt insertion hole 39 is formed. The portion is an enlarged hole 41 for receiving the bolt head 40. The protrusion 36 is formed by inserting a bolt 42 passing through a bolt insertion hole 39 from the top side thereof into the fixing hole 37, and then screwing a nut 44 onto a screw shaft 43 projecting to the back side of the conical body 21. By being fitted and tightened, it is fixed to the conical surface 45 of the conical main body 21.

On the other hand, as shown in FIG. 5, in the present embodiment, the outer conical rotator 20 is formed to have a smaller diameter than the inner conical rotator 18 and has a hollow truncated conical shape. An annular projection 50 fitted around the outer end portion 49 of the circular rotator 16 is provided along the outer peripheral edge of the top opening 47 of the conical main body 46, and the conical main body 4 is formed.
On the back side of 6, the top opening 47 is closed by a rotating shaft holding plate 51 having the same configuration as described above. That is, the rotating shaft holding plate 51 is provided on one surface of a circular fixing plate 53 which is bolted to the back side peripheral portion 52 of the top opening.
7, a fitting projection 55 that is fitted almost closely is swelled, and is eccentric with respect to the axis of the conical body 46.
A hexagonal insertion hole 56 is provided through the hexagonal hole, and a hexagonal cylindrical body 57 is formed on the other surface of the fixing plate so as to align the hole center with the insertion hole 56.
Is protruding.

The rotating tool 13 having the above structure is used in the second
2 and 5, the inner conical rotator 18 is first inserted into the insertion hole 3 as shown in FIGS.
1 through the rotary shaft 11, and the rotary shaft 1
1 is bolted 54. Thereafter, the inner end portion 23 of the circular rotator 16 and the annular projection 25 of the conical rotator 18 are fitted, and then the rotary shaft 11 is inserted into the insertion hole 56 of the outer conical rotator 20. At the same time, the annular projection 50 and the outer end portion 49 of the round rotator are fitted to each other, so that the circular rotator 16 is strongly clamped between the inner and outer conical rotators 18 and 20, and then the outer rotator is moved outward. In the cylindrical body 57 of the conical rotating body 20, the rotating shaft 11 is bolted 58 (FIG. 2). This makes it possible to rotate the rotating tool 13 as a whole.
Is fixed to the rotating shaft 11. A locking projection is provided on the peripheral surface of the annular projection, and a locking recess is provided at an inner end portion and an outer end portion of the circular rotating body. May be integrated with each other in the rotational direction.

On the other hand, the embankment device 3 is shown in FIGS.
As shown in the figure, a rotating shaft 59 parallel to the ridge to be formed is provided at the lower end of the first deceleration section 9 in the traveling direction of the ridge forming machine (traveling vehicle). Is fixed. The rotary 61 is rotated counterclockwise as viewed from the traveling side of the ridge forming machine (FIG. 4).
Rotates in the direction of arrow F2). Also, the first deceleration unit 9
A guide path 62 for guiding the soil flipped up by the counterclockwise rotation of the rotary 61 to the ridge forming section 2 is provided so as to cover the rotary 61. The taxiway 6
2 is a guide plate 6 which is inclined obliquely upward toward the ridge forming part side.
The upper end of the guide plate 3 is bent downward, and the guide plate 63 is formed on the both side edges of the guide plate 63 into a downwardly open box shape with side plates 65, 65 provided below. Then, the soil flipped up by the rotary 61 is guided by the guide path 62, and
And the inner and outer conical rotating bodies 18 and 20 are made to fall close to a space 66 formed between them.

Next, the operation of the ridge forming machine 1 according to the present embodiment will be described with reference to FIGS. When the first speed reduction unit 9 and the second speed reduction unit 10 are operated at the same time as the traveling vehicle 6 advances, the soil is crushed by the rotation of the rotary 61 of the embankment device 3, and the crushed soil is flipped up. Can be
The jumped-up soil is guided by taxiway 6 as shown by the arrow in FIG.
2 and falls at the upper end thereof, as shown in FIGS. 1 and 2, close to a space 66 formed between the circular rotary member 16 and the inner and outer conical rotary members 18 and 20 of the ridge forming portion 2. Then, it is supplied to the ridge forming section 2 in a raised state.

The embankment portion 35 is compacted by the rotation of the rotating tool 13 of the ridge forming device 5 to form the ridge 12 (FIG. 1). The operation is specifically as follows. That is, the rotation speed of the ridge forming device is set so that a slip phenomenon occurs between the circumferential surface of the circular rotator and the upper surface of the embankment portion, and between the conical surface of the conical rotator and the side portion of the embankment portion. When adjusted, the whole of the inner conical rotator 18, the circular rotator 16 and the outer conical rotator 20 rotate eccentrically as a whole as the ridge forming machine advances. The eccentric rotation state is represented by a diagram in FIG. In the figure, black circles 64a to 64e indicate the edge of the rotating body that is farthest from the center of rotation of the conical rotating body, and its position varies with the eccentric rotation of the conical rotating body. The same alphabetic symbols are added to the conical rotator 18 and the rotating shaft 11 corresponding to each black circle. Also, code F3
Indicates the traveling direction of the traveling vehicle, and F4 indicates the rotation direction of the conical rotator. Reference numeral 67a indicates a rice field, and reference numeral 67a
b shows the ridge upper surface.

First, with regard to the inner conical rotator 18, as it proceeds with eccentric rotation,
Each of the protrusions 36 has a center at an arc locus 68 shown in FIG.
Is drawn in contact with the inner surface portion 35a of the embankment portion 35. In other words, the projection is brought into contact with the inner surface 35a of the embankment at the upper end of the circular arc locus by being in a downwardly inclined state at a constant angle corresponding to the amount of projection. As the rotation of the conical rotator further proceeds, the inner surface portion of the embankment portion is gradually pushed deeply, and when the projection 36 is at the lowermost position, as shown in FIG.
As shown in the figure, it is pushed deepest. As a result of the movement of each protrusion, the required width portion on the skirt side of the inner side surface portion 35a of the embankment portion is firmly compacted in a kneaded state to the inside. Moreover, since the conical rotator rotates eccentrically, the inner surface portion of the embankment portion is compacted up and down more widely than in the case where the eccentricity is not eccentric.

In FIG. 8, the lowermost circular arc locus 68a
Shows the arc locus of the protrusion 36 where the distance between the rotation center of the conical rotator and the center of the protrusion is the largest, and the uppermost arc trajectory 68b is the same as the rotation center of the conical rotator. It shows the arc locus of the protrusion 36b having the minimum distance from the center of the protrusion, and shows the lower end 71 (see FIG. 9) of the pushing portion of the protrusion 36 having the center on the lowermost arc locus. The portion of the width L1 surrounded by the upper horizontal line 75 passing through the lower horizontal line 72 passing therethrough and the upper end 73 of the pushing portion of the projection centered on the uppermost arc locus is compacted by the projection. Note that the portion above the upper horizontal line is also compacted even though the pushing by the protrusion is shallow.

In the conical surface of the conical rotator where no protrusion is provided, the conical surface rotates eccentrically with the inner surface 35a of the embankment with a slip phenomenon. While kneading the inner surface portion.

As a result, the inner surface 17 of the ridge is compacted in a kneaded state. Particularly, the hem side portion (width L1 portion) is pressed while being crushed and crushed by the protrusion, so that it is compacted more densely, and a stable ridge is formed.

The circular rotator 16 which rotates integrally with the conical rotator compacts the upper surface 35b of the embankment in a kneaded state with a slip phenomenon. In this embodiment, the circular rotator 16 rotates in an eccentric state in the same manner as the conical rotator, so that the circumferential surface of the circular rotator is pressed into the upper surface of the embankment portion while kneading the same. Is more compacted.

In this embodiment, the outer conical rotator 20 rotates in an eccentric state in the same manner as the inner conical rotator 18, so that the outer surface of the embankment is kneaded while eccentrically rotating with a slip phenomenon. Compact to a state.

In particular, in the case where the projection is provided in the circumferential direction while being slightly inward of the front end edge of the inner conical rotary body, a portion 82 on the front end side of the conical rotary body serves as a cutting blade. As shown in FIG. 4, the lower end portion 83 (FIG. 1) of the side surface of the ridge can be formed into a smoother inclined surface, which is preferable because it is cut into the rice field surface 83.

Other Embodiments FIG. 11 shows a case in which hemispherical projections having the same structure as described above are arranged in a zigzag pattern on the conical surface 45 on the front side of the inner conical rotary member 18. In this case, the lower portion of the inner surface portion of the embankment portion is compacted by the outer row of protrusions 36A, and the upper portion of the inner surface portion of the embankment portion is compacted by the inner row of protrusions 36B. In the case of such a configuration, the side surface of the ridge can be compacted widely without increasing the amount of eccentricity of the rotation shaft.

12 and 13 show another embodiment of the projection. The protrusion 36 shown in FIG. 12 is formed by cutting the pipe obliquely and closing its end, and the height gradually decreases from the peripheral side of the inner conical rotating body to the top side. FIG. 13 shows a case where the protruding portion 36 is formed by a tapered plate whose top portion 85 is formed in an arc surface. In addition, the form of the protrusion may be arbitrarily set as long as the side part of the embankment part is compacted in a kneaded state with the rotation of the inner conical rotator.

FIG. 14 shows a case where the rotation center of the circular rotator 16 is matched with the rotation center of the rotation shaft. In this case, the circular rotating body compacts the upper surface portion 35b of the embankment portion in a kneaded state with a slip phenomenon without performing eccentric movement. Also, in the figure, the axis of the outer conical rotator 20 also matches the axis of the rotation axis. Therefore, the outer conical rotating body in this case does not perform the eccentric movement, but compacts the outer surface portion of the embankment portion in a kneaded state with a slip phenomenon.

A projection 36 may also be provided on the conical surface on the front side of the outer conical rotator 20, similarly to the inner conical rotator 18, as shown by a dashed line in FIG.
In this case, the inner and outer side surfaces of the ridge are compacted by the protrusions.

The length of the circular rotator is set as required according to the width of the upper surface of the ridge to be formed. FIG. 15 shows a case where the rotating tool 13 is constituted by the inner conical rotator 18 and the circular rotator 16 by omitting the outer conical rotator,
A ridge according to the form of the rotating tool can be formed.

Further, the embankment device is not limited to the one having the structure shown in the above-described embodiment, but may employ various structures capable of continuously supplying the soil to the ridge forming portion in a raised state.

[0047]

The present invention has the following excellent effects. According to the present invention, the ridge surface can be compacted in a kneaded state by a slip phenomenon on the outer surface portion of the embankment portion due to the excessive rotation of the circular rotator and the inner conical rotator, and furthermore, the outer conical rotator. . In addition, the protrusions protruding from the conical rotating body act to push in while crushing the side surface of the embankment, so the skirt portion on the inner surface of the ridge is particularly important for preventing water leakage from the ridge. Will be compacted closely. These make it possible to form a strong ridge that is hard to leak water, and has a wide range that can cope with soil conditions such as soil moisture content and hardness, and is excellent in versatility.

[0048] The embankment device is arranged so as to continuously supply soil in the vicinity of a space formed by the circular rotator and the inner conical rotator or a space formed by the circular rotator and the inner and outer conical rotators. Sometimes, even soft soil can be securely compacted before it collapses, which is preferable.

In particular, when the protruding portion is provided in the circumferential direction while being slightly inward of the front end edge of the inner conical rotating body, a portion on the front end side of the conical rotating body serves as a cutting blade and serves as a cutting surface. It is preferable because the lower end of the side surface of the ridge can be shaped into a smoother inclined surface.

In particular, when the projection is formed so as to have a hemispherical projection surface, the side portion of the embankment can be formed very much without being particular about foreign substances such as straw and grass mixed in the embankment. It is preferable because it can be kneaded smoothly.

When the circular rotator is rotated in an eccentric state in the same manner as the conical rotator, the circumferential surface of the circular rotator pushes the upper surface of the embankment portion while kneading it more strongly. The upper surface is preferably compacted more tightly. Further, when the outer conical rotary member is rotated in an eccentric state, the outer surface portion of the embankment portion is preferably firmly compacted.

[Brief description of the drawings]

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

FIG. 2 is a plan view thereof.

FIG. 3 is a front view partially sectioned.

FIG. 4 is a side view thereof.

FIG. 5 is an exploded perspective view illustrating a rotating tool and a partial cross-sectional view illustrating an inner conical rotator.

FIG. 6 is a cross-sectional view illustrating a fixed state of a protruding portion in the inner conical rotating body.

FIG. 7 is an explanatory diagram illustrating an eccentric rotation state of an inner conical rotator.

FIG. 8 is an explanatory diagram for explaining a trajectory of a protruding portion of the inner conical rotator according to its rotation.

FIG. 9 is a cross-sectional view illustrating a pressed state of a protrusion.

FIG. 10 is an explanatory diagram illustrating a problem when the inner conical rotator does not perform eccentric movement.

FIG. 11 is a front view illustrating another aspect of the arrangement of the protrusions on the inner conical rotating body.

FIG. 12 is an explanatory diagram illustrating another aspect of the protrusion.

FIG. 13 is an explanatory diagram illustrating another aspect of the protrusion.

FIG. 14 is a side view illustrating another embodiment of the rotating tool.

FIG. 15 is a side view illustrating another embodiment of the rotating tool.

FIG. 16 is an explanatory diagram for explaining a problem of a conventional ridge forming machine.

FIG. 17 is a perspective view illustrating a conventional ridge forming machine of a slip type.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Ridge forming machine 2 Ridge forming part 3 Embankment device 5 Ridge forming device 6 Traveling vehicle 7 Reduction gear 11 Rotation axis 12 Ridge 13 Rotating tool 16 Circular rotator 18 Inner conical rotator 20 Outer conical rotator 36 Projection

Claims (10)

(57) [Claims] 1. A ridge forming device attached to a traveling vehicle and sequentially forming ridges in a traveling direction thereof, comprising a soil filling device for supplying soil to a ridge forming portion in a raised state,
A ridge forming device for compacting the soil piled in the ridge forming portion to form a ridge, the ridge forming device being provided at an inner end of a circular rotating body having a circumferential surface forming an upper surface of the ridge. An inner conical rotator having a divergent conical surface forming the inner surface of the ridge, wherein the conical rotator and the circular rotator are eccentric with respect to the axis of the cone of the conical rotator. The conical surface of the conical rotator is provided with a projection for pressing at least a hem side portion of the inner surface portion of the embankment portion on the conical rotator.
A ridge forming machine characterized by being arranged side by side at a required interval in a circumferential direction. 2. The ridge forming machine according to claim 1, wherein the protruding portions are arranged in a circumferential direction of the conical rotator so as to be slightly inward of the front end edge of the conical rotator. 3. The ridge forming machine according to claim 1, wherein the projection has a hemispherical projection surface. 4. An outer conical rotator having a divergent conical surface forming an outer surface of a ridge is provided at an outer end of a circular rotator, and an inner conical rotator and an outer conical rotator are provided. 4. A body according to claim 1, wherein the body and the circular rotator rotate integrally about a rotation axis eccentric to the axis of the cone of the inner conical rotator. Row forming machine. 5. The conical axis of the inner conical rotator with respect to the axis of the cone.
5. The ridge forming machine according to claim 1, wherein the eccentric rotation axis coincides with the axis of the circular rotator . 6. With respect to the axis of the cone of the inner conical rotator.
The ridge forming machine according to claim 1, wherein the eccentric rotation axis does not coincide with the axis of the circular rotator . 7. With respect to the axis of the cone of the inner conical rotator.
The eccentric rotation axis is aligned with the cone axis of the outer cone
The ridge forming machine according to claim 4, wherein the ridges match . 8. The conical axis of the inner conical rotator with respect to the axis of the cone.
The eccentric rotation axis is aligned with the cone axis of the outer cone
The ridge forming machine according to claim 4, wherein the ridges do not match . 9. The ridge formation according to claim 1, wherein the discharge portion of the embankment device is provided so as to supply the soil in close proximity to a space formed by the inner conical rotator and the circular rotator. Machine. 10. The discharging device of the embankment device is provided so as to supply soil in the vicinity of a space formed by the inner conical rotator, the outer conical rotator, and the circular rotator. Item 5. A ridge forming machine according to Item 4.