JP3447278B2 - Crusher - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a crusher which is attached to a towing vehicle and can crush cultivated soil finely.

[0002]

2. Description of the Related Art In order to transplant seedlings on land such as upland fields and fallow fields, in order to improve the efficiency of the transplanting work and to make the roots fit well with the soil and to improve the survival, It is necessary to carry out leveling work to crush the soil finely. Therefore, conventionally, it is necessary to repeat the tilling work by the rotary operation 3 to 4 times, resulting in a problem that the work efficiency is extremely poor and the cost is increased. Further, when the soil was clayey, the soil easily escaped from the rotary nails, so that the grain size obtained was limited even after repeated plowing work.

[0003] Therefore, as an attempt to alleviate the above problems, for example, a tilling device disclosed in Japanese Utility Model Laid-Open No. 7-3 has been proposed. As shown in FIGS. 10 to 11, the cultivating device has rotary shafts a and b arranged in front and rear, a straight blade c for cutting soil is provided on the front rotary shaft a, and a nata claw d for reverse plowing the soil. However, with such a cultivator, there is a problem that even if the soil can be crushed to some extent, a large amount of lumpy soil remains, and There was a limit to. For this reason, when the seedlings were transplanted, the roots were not easily adapted to the soil and root rot was likely to occur. When root rot occurs in this way, there is a problem that the transplanting is required again, which requires a great deal of labor and time, and the yield is deteriorated.

[0004]

SUMMARY OF THE INVENTION The present invention has been developed in view of the above-mentioned problems of the prior art, and is capable of finely crushing roughened soil into a substantially uniform state, and performing transplanting work thereafter. It is an object of the present invention to provide a crusher capable of achieving efficient production of soil and the like, and allowing the roots to adapt well to the soil so that the transplanted seedlings can be well-grown without causing root rot and the like.

[0005]

In order to solve the above problems, the present invention adopts the following means. That is, the basic aspect of the crushing machine according to the present invention is a crushing machine attached to a towing vehicle, which cultivates a predetermined width as the towing vehicle advances and repels the cultivated soil backward. The cultivating and repelling part comprises a crushed soil part for accommodating and crushing the repelled soil, and the cultivating and repelling part rotates around an axis substantially orthogonal to the traveling direction of the towing vehicle to perform the cultivating. , It is equipped with a plowing repelling rotating body that repels the soil toward the rear with its rotation. Further, in the crushed soil portion, a fixed state in which an introduction opening for introducing the repelled soil is formed long in a direction substantially orthogonal to the traveling direction of the towing vehicle, and a lower portion is formed as an arcuate wall portion. In the container, a crushed soil rotating body that rotates around an axis substantially orthogonal to the traveling direction of the towing vehicle and crushes the contained soil is in the same direction as the plowing repelling rotating body. It is housed so as to rotate, and a soil discharge opening for dropping the soil crushed by the crushed soil rotating body is provided in the arc-shaped wall portion.

In the crushing machine, the height of the upper end edge of the introduction opening is larger than that of the container from the introduction opening when a relatively large lump of soil left without being crushed to a required size is rotated by the rotation of the crushing soil rotating body. It is better to set it so that it can be dropped.

Further, in the crusher, a soil collecting guide plate is provided at a lower edge of the introduction opening of the container, the soil collecting guide plate being inclined downward in a traveling direction of the towing vehicle and digging into the cultivated soil. The soil collecting guide plate moves the cultivated soil forward and supplies it to the repelling portion of the cultivating repelling rotary body as the towing vehicle advances, and the cultivating repelling rotary body repels the soil. It is preferable that the raised soil be received from below and guided into the container. In the crusher, the earth collecting guide plate is provided with a downward direction of 30 to 30 in a traveling direction of the towing vehicle.
It is better to project it so that it is inclined at an angle of 40 degrees.

In the crushing machine, both sides of the container are provided with an exclusion opening for removing foreign matter contained in the contained soil to the outside with the rotation of the crushed soil rotating body. Good.

A more preferable aspect of the crushing machine according to the present invention is a crushing machine attached to a towing vehicle, which cultivates a predetermined width as the towing vehicle progresses and turns the cultivated soil to the rear. A cultivating and repelling portion for hoisting up and a crushed soil portion for accommodating and crushing the repelled soil, wherein the cultivating and repelling portion is rotated about an axis substantially orthogonal to a traveling direction of the towing vehicle, It is equipped with a tillage repelling rotary body that cultivates and repels the soil toward the back as it rotates. In addition, the crushed soil section has a crushed soil rotating body housed in a container. The container is formed in a cylindrical shape extending along an axis substantially orthogonal to the traveling direction of the traveling machine, and its front portion viewed in the traveling direction is repelled by the rotation of the plowing repelling rotary body. It is assumed that an introduction opening for introducing the raised soil is provided, and that both ends of the crushed soil rotating body are axially supported by bearings provided on both side surfaces of the containing body, Due to the forced rotation, the soil introduced into the container is crushed and dropped from the soil discharging opening provided in the container, and both side surfaces of the container are included in the contained soil. An exclusion opening is provided for removing the foreign matter that is present to the outside as the crushed soil rotating body rotates, and the lower edge of the introduction opening is inclined downward in the traveling direction of the towing vehicle and is cultivated. Set up a soil guide plate that cuts into the soil As the towing vehicle progresses, the cultivated soil is moved forward and supplied to the repelling portion of the cultivating repelling rotary body, and the repelled soil of the cultivated repelling rotary body is fed from below. It is preferable that it is configured to be received and guided into the container.

In the crusher, when the container is formed in a long cylindrical shape along an axis substantially orthogonal to the traveling direction of the traveling machine, the entire arc-shaped wall portion except the introduction opening is formed. Therefore, it is advisable to provide a soil discharge opening.

In each of the above crushers, it is preferable that the soil discharging opening is formed in a spiral groove shape that is twisted in the axial direction of the container. The groove width of the soil discharge opening is preferably set to 20 to 30 mm.

When each of the crushers has an exclusion opening, it is preferable that both side portions of the container viewed in the longitudinal direction are formed as smooth arc-shaped surfaces on which the earth discharging opening is not provided.

In the earth crusher of the basic aspect and the earth crusher of the more preferable mode, the spiral groove-shaped discharge openings are preferably provided in a staggered arrangement when viewed in the longitudinal direction of the container.

In the crushing machine of the basic aspect and the crushing machine of the more preferable mode, the crushing earth rotating body is provided with a crushing blade at a required interval on a rotary shaft extending in a direction substantially orthogonal to a traveling direction of the towing vehicle. Is fixed, and the soil discharge opening is formed as a spiral groove-shaped opening that is continuous in a zigzag shape through a discontinuous portion when viewed in the longitudinal direction of the storage body, and the discontinuous portion is the storage body. To form a continuous strip-shaped portion in the circumferential direction, and the strip-shaped portion forms a peak top portion and a valley bottom portion of adjacent spiral groove-shaped openings when viewed in the rotation direction of the crushed soil rotating body. It is preferable that the crushing blades are arranged side by side in the lengthwise direction of the containers, and the crushing blades are located at positions substantially opposite to the strip-shaped portions forming the tops of the mountains.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. In FIG. 1, a shredder 1 according to the present invention is attached to a rear portion of a towing vehicle 2 serving as a tractor 2a, cultivates a predetermined width along with a traveling F of the towing vehicle 2, and cultivates soil rearward. The cultivating and repelling part 3 that is sprung up and the crushed soil part 5 that accommodates and crushes the repelled soil are connected to the rear part of the tractor 2a (the vertical height and the inclination with respect to the tractor 2a can be changed as desired). It is attached to a support frame 7 (connected by a link mechanism 6).

The support frame 7 is, as shown in FIGS.
Tillage repelling rotator 9 which constitutes the cultivating repellent portion 3
A semi-arcuate container 10 with an open lower end, which extends along an axis substantially orthogonal to the traveling direction of the traveling machine 2 for housing
In addition, there are front and rear cylindrical housings 12 for accommodating the crushed soil rotating body 11 constituting the crushed soil portion 5 and extending along an axis line substantially orthogonal to the traveling direction F of the traveling machine 2.
Further, the front arm portion 13 and the rear arm portion 15 have a chevron shape at the left and right sides of the upper portion of the connecting portion of the semi-circular container 10 and the cylindrical container 12 so that the front arm portion 13 and the rear arm portion 15 are forward and backward. It is arranged so as to incline downward toward.

As shown in FIGS. 2 and 3, the bearings 16 provided at the lower end portions of the forearm portions 13, 13 facing each other on the left and right sides
16, both ends of a rotary shaft 17 which is substantially orthogonal to the traveling direction F of the towing vehicle 2 and extends substantially horizontally are pivotally supported. Bearings 19, 19 are also provided at the left and right lower end portions of the opposed rear arm portions 15, 15 which are opposed to each other, and the left and right bearings 19, 19 are arranged substantially in the traveling direction F of the towing vehicle 2. Both end portions of the rotary shaft 20 after orthogonally extending and extending substantially horizontally are pivotally supported.

As shown in FIGS. 1 to 3, the cylindrical container 12 is arranged in the middle of left and right annular support frames 21 and 22 integrally provided with the rear arm portions 15 and 15. It comprises two annular support frames 23, 25, which are arranged concentrically and have the same inner peripheral edge diameter. And the left and right annular support frames 2
1 and 22 are connected to the lower end side of the rear arm portion 15 via connecting pieces 26, 26, 26 arranged in the radial direction at an angular pitch of approximately 120 degrees in the circumferential direction, and are adjacent to each other. An exclusion opening 29 is provided between the connecting pieces 26. In the present embodiment, the exclusion opening 29 is provided so as to be located on the lower end side and the left and right sides of the annular support frames 21, 22.

Then, four annular supporting frames 21, 22, 2
As shown in FIGS. 2 to 4 and 8, the reference numerals 3 and 25 are five connecting shafts 30 and 31, which are arranged in parallel at intervals in the circumferential direction.
The upper and lower connecting shafts 30 and 35 which are connected to each other by 32, 33 and 35 and which are located on the front end side in the traveling direction of the towing vehicle are set to have a large interval, and the connecting shaft 35 located at the lower end.
Is provided so as to be located on the front side of a position immediately below the rear rotary shaft 20, and the connecting shaft 30 at the upper end is provided on a front side of the rotary shaft 20 immediately above the rear rotary shaft 20. The space between the upper and lower connecting shafts 30 and 35 serves as an introduction opening 36 for introducing the soil repelled by the plowing repelling rotary body 9 into the container 12. An earth collecting guide plate 37 is provided at the lower edge of the introduction opening 36 so as to incline downward at an angle of 30 to 40 degrees, for example, about 40 degrees in the traveling direction of the towing vehicle 2.

The four annular support frames 21 and 2 having the above structure
2,23,25 are thus the five connecting shafts 30,3
By connecting with 1, 32, 33, 35, a tubular frame 39 having a cylindrical shape as a whole is formed, and on the inner surface side of the tubular frame 39, the upper and lower connecting shafts 30 located on the front end side,
An arcuate wall portion 40 is provided so as to cover a portion on the rear side of 35, and thus the cylindrical container 12 is configured.

The arcuate wall portion 40 has a structure shown in FIGS.
As shown in FIG. 5, the soil discharging opening 42 is provided except for both side portions (for example, 15 cm width portions on both sides) 41, 41 viewed in the length direction of the container 12. The soil discharge opening 42 is
In the present embodiment, when viewed in the length direction of the container 12, a discontinuity portion (discontinuity width is, for example, about 20 mm) 4
3 is formed as a spiral groove-shaped opening continuous in a zigzag shape, and the groove width of the spiral groove-shaped opening is set to about 30 mm. The spiral groove-shaped openings are provided at intervals of, for example, about 10 mm in the circumferential direction of the container 12. The discontinuity portion 43 forms a strip-shaped portion 44 continuous in the circumferential direction of the container 12, and the strip-shaped portion 44 is formed.
However, when viewed in the rotation direction of the crushed soil rotating body 11, they are juxtaposed in the lengthwise direction of the containing body 12 so as to form a peak top A and a valley bottom B of adjacent spiral groove-shaped openings. . Further, as shown in FIGS. 4 and 6, the inner peripheral surfaces 46, 46 of the both side portions 41, 41 are formed as smooth surfaces without the earth discharging opening 42.

Further, the front rotary shaft 17 is shown in FIGS.
As shown in FIG. 6, the plowing repelling rotary body 9 is configured by protruding the nata claws 47 at small intervals on a line twisted around the axis. By rotating the tilling repelling rotary body 9, it is possible to cultivate with a width of, for example, 1 m over substantially the entire width of the front rotary shaft 17.

Further, on the rear rotary shaft 20, crushed earth blades 49 are fixedly installed at small intervals of about 75 mm in the lengthwise direction. The crushed soil blade 49 is formed by projecting a trapezoidal plate-shaped crushed soil plate 51 at an angular pitch of 120 degrees, for example, on a main body 50 that rotates together with the rotating shaft 20.
A space of about 10 mm is provided between the tip 52 of the crushed earth plate 51 and the inner peripheral surface 53 of the arcuate wall portion 40.
The crushed earth rotating body 11 is configured by the crushed earth blade 49 being fixed in this manner. As shown in FIG. 9, the crushing blade 49 is located at a position substantially opposite to the strip-shaped portion 44A forming the top A of the mountain.

By rotating the crushed earth rotating body 11 having such a structure in the container 12 in a fixed state, the soil introduced into the container 12 is efficiently crushed, and the arrows are shown in FIGS. 6 and 8. The crushed soil is the soil discharge opening 4
It is discharged from 2. Then, foreign matter such as grass, straw, and stones contained in the soil housed in the container 12 is discharged from the exclusion opening 29 as shown by an arrow in FIG. 6 as the crushed soil rotating body 11 rotates. Be eliminated by.

Further, as shown in FIGS. 2 and 7, the front arm portion 1
3 and a bearing 5 provided on the upper end connection side of the rear arm portion 15
5, 55 substantially parallel to the front and rear rotary shafts 17, 20,
Further, the drive shaft 5 which is rotationally driven by the drive device 56.
Both end portions 59, 59 of 7 are pivotally supported.

When viewed in the traveling direction of the towing vehicle, the left rear arm portion 15a and the right front arm portion 13a are shown in FIGS.
As shown in FIG. 3, each is formed in a flat box shape, and in the box-shaped arm portion, as shown in FIG. 7, an upper sprocket 60 fixed to an end portion 59 of the drive shaft 57 and the A lower sprocket 61 fixedly mounted on an end portion of the front rotary shaft 17 or the rear rotary shaft 20 is accommodated, and a chain 62 is wound around the upper and lower sub rockets 60 and 61. As the drive shaft 57 rotates, both the front rotary shaft 17 and the rear rotary shaft 20 are viewed from the left side in the traveling direction F of the towing vehicle 2 as shown in FIGS. 1 and 7 to 8. The rotation direction is set to rotate counterclockwise as indicated by the arrow. As a result, as the towing vehicle 2 travels F, the plowing repelling rotary body 9 repels soil toward the rear with its rotation, as indicated by the arrow in FIG.
The repelled soil is accommodated in the accommodating body 12 through the introduction opening 36 as shown by an arrow, and the accommodated soil is crushed by the rotation of the crushed soil rotating body 11, and FIGS.
As shown in FIG. The relatively large lump of soil left without being crushed is moved in the circumferential direction in the container 12 by the rotation of the crushed soil rotating body 11, and as shown by an arrow F1 in FIG. It is made to fall from 36 to the outside of the container 12, then is repelled backward with the rotation of the plowing repelling rotary member 9, is introduced again into the container 12, and is crushed again by the crushed earth rotating member 11. And is made to fall from the soil discharging opening 42. By repeating this, the introduced soil will be finely crushed.

The drive device 56 is incorporated in a gear box 63 shown in FIG. 2 arranged in the central portion of the drive shaft 57. As shown in FIG. 2, the drive shaft 57 is axially supported by bearings 67, 67 provided on the left and right side surfaces of the gear box 63, and the gear box 63 is also supported.
A driving shaft 71 is rotatably supported by a bearing 70 (FIG. 1) provided on the front surface of the driving shaft 71. As shown in FIG.
It is connected to the power shaft 73 of the tractor 2 a via the universal joint 72. As shown in FIG. 7, bevel gears 75 and 76 are fixedly mounted on the drive shaft 71 and the drive shaft 57 in the gear box 63 and meshed with each other, and are driven by the power shaft 73 of the tractor 2a. The drive shaft 57 rotates counterclockwise as indicated by arrow F2 in FIG. 7 by the rotation of the driving shaft 71 that is rotated.

However, in order to level the ground with the crushing machine 1 having the above-mentioned construction, as shown in FIGS. 1 and 8, the nata claws 47 constituting the cultivating and repelling rotary body 9 are set in the soil,
In addition, the lower portion 77 of the soil collecting guide plate 37 is set in a state of biting into the ground, and the lower end 7 of the cylindrical container 12 is formed.
8 should be about 5 cm above the ground 79,
The towing vehicle (tractor) 2 is advanced while rotating the driving shaft 71.

As a result, the drive shaft 57 is rotated, and the plowing repelling rotary body 9 and the crushed soil rotary body 11 rotate counterclockwise through the left and right chains 62, 62 as shown by an arrow in FIG. Be punished.

As a result, the plowing revolving rotary member 9 is
Plowing is performed with a predetermined width (about 1 m), and the cultivated soil is repelled backward, and the repelled soil is introduced into the container 12 through the introduction opening 36. In particular, in this embodiment, since the earth collecting guide plate 37 is projectingly provided on the lower edge of the introduction opening 36, the earth collecting guide plate 37 is moved forward as the towing vehicle 2 advances, so that the earth collecting guide plate 37 moves forward. 37
Means to move the cultivated soil in the forward direction as shown by arrow F3 in FIG. 8 and supply it to the repelling portion 80 of the cultivating repelling rotary body 9. And the soil collection guide plate 37
The cultivated soil, including the soil collected in step 1, is guided to the sloping soil collecting guide plate 37 as shown by the arrow in FIG. Then, it is received (received from below) and smoothly introduced into the container 12.

The soil introduced into the container 12 is
As the crushed earth rotating body 11 rotates, the crushed earth rotating body 11 is finely crushed and dropped from the soil discharging opening 42. In the present embodiment, the soil discharging opening 42 is formed in a spiral groove shape at an angle of about 45 degrees as shown in FIG.
With the rotation of 1, it can be dropped smoothly. If the soil discharge opening 42 is formed long in the circumferential direction of the container, foreign matter such as straw, grass and stones introduced into the container 12 may be easily discharged at the same time. If it is formed to be long in the axial direction, the discharge of soil from the discharge opening becomes poor, which is not preferable.

When foreign matter such as grass, straw, or stone is introduced into the container 12, as shown by dotted points in FIG.
The foreign matter 81 forms the spiral groove-shaped opening 42 for soil discharge.
The end 65 on the tip side as viewed in the rotation direction of the crushed soil rotating body 11,
It is easy to get stuck in 65. However, since the crushed soil blade 49 is arranged so as to substantially face the strip-shaped portion 44A forming the top of the mountain, the clogged foreign matter 63 is generated in the crushed soil blade 49 rotating in the direction indicated by the arrow in FIG. It is easily hooked and easily comes off the end portion 65. Therefore, the crushed soil is prevented from being clogged while the soil discharging opening 42 is prevented from being clogged.
Can be efficiently discharged from.

The soil falling from the soil discharging opening 42 is
Since it is dropped in a finely crushed state so that it can pass through the soil discharging opening (opening width is, for example, 30 mm) 42, soft soil having a small particle size can be obtained as the towing vehicle 2 advances. The soil thus obtained is a soil with a small particle size, which is difficult to obtain even when it is repeatedly cultivated 3 to 4 times in a conventional rotary. As a result of obtaining such good quality soil, the transplanting work can be performed easily and surely, and the seedlings can be well-grown.

When foreign matter such as grass, straw, stones, etc. is introduced into the container 12, it moves to both sides of the container 12 as the crushed earth rotating body 11 rotates, as shown by the arrow in FIG. It will be forced out and will be ejected out of the exclusion openings 29, 29. For example, on both sides of the cultivated portion, the tractor falls to the running track of the tire. Then, both side portions 41, 41 of the arc-shaped wall portion 40 are provided with an opening 42 for earth removal.
Since the inner peripheral surface 46 is not provided and the inner peripheral surface 46 is smooth, foreign matter can be smoothly removed without an obstacle such as being caught.

[Other Embodiments] (1) In the crusher 1 according to the present invention, the cultivated soil repelling rotary body 9 is rotated so that the cultivated soil is repelled to the rear side and is favorably stored in the container 12. The soil collecting guide plate 37 may be omitted if it can be introduced into.

(2) The plowing repelling rotary body 9 is constructed by projecting the above-mentioned nata claws, and in addition to plowing work and the plowing soil is repelled to the rear to be housed in the container. As long as it can be introduced, various plate portions can be provided in a protruding manner in addition to the above-described loose claws.

(3) The earth discharging opening 42 provided on the arcuate wall portion 40 of the container 12 is formed in the spiral groove shape as described above, and as long as it can drop the crushed soil. It can also be configured as a circular hole or a mesh portion.

(4) It is sufficient that at least the lower part of the container is formed in an arc shape and an introduction opening for introducing the repelled soil into the container is provided. It is not necessary for the body to be cylindrical.

[0039]

The present invention has the following excellent effects. (1) The shredder according to the present invention accommodates plowing soil, which performs plowing of a predetermined width as the towing vehicle progresses and repels plowing soil backward, and the plowing soil. Since it has a crushed soil portion for crushing it, it is possible to perform a series of operations for crushing this crushed soil finely after roughing. The soil falling from the soil discharging opening provided in the container forming the crushed soil portion has a small particle size equal to or smaller than the opening width of the soil discharging opening.
It is possible to obtain soft soil with a small particle size and uniform, which is difficult to obtain even after repeated culturing. As a result, the transplanting of seedlings can be performed reliably and efficiently, and the survival of the seedlings after transplantation can be improved.

(2) At the lower edge of the introduction opening of the container, an earth gathering guide plate that is inclined downward in the traveling direction of the towing vehicle and that bites into the cultivated soil is provided in the traveling direction of the towing vehicle. When it is installed so as to incline downward, it is possible to move the cultivated soil forward by the soil collecting guide plate and supply it to the repelling portion of the cultivating repelling rotary body, and repel the cultivating repelling rotary body. The soil can be received from below and smoothly guided into the container.

(3) When the exclusion openings are provided on both side surfaces of the container, foreign matter such as straw, grass and stones contained in the contained soil is passed through the exclusion opening as the crushed soil rotating body rotates. Since it can be removed to the outside, it has the advantage of being able to crush the soil more efficiently.

(4) The accommodating body is formed in a long cylindrical shape along an axis substantially orthogonal to the traveling direction of the traveling machine, and an earth discharging opening is provided over the entire arcuate wall portion excluding the introduction opening. When it is provided, there is an advantage that the crushed soil can be discharged more efficiently than when the soil discharge opening is provided only in the lower portion of the container.

(5) When the soil discharging opening is formed in the shape of a spiral groove that is twisted in the axial direction of the container, it is possible to satisfactorily remove crushed soil without foreign matter being caught in the soil discharging opening. There is an advantage that it can be discharged. The groove width of the opening is 20 to 30.
mm, preferably about 30 mm,
Even soil with a relatively high water content can be crushed without much trouble.

(6) When the end portions of the container as viewed in the lengthwise direction are formed as smooth arc-shaped surfaces without a soil discharge opening, the foreign matter is prevented from being caught and the foreign matter is prevented. Has the advantage that it can be eliminated smoothly.

(7) By setting the height of the upper edge of the introduction opening to be relatively high, a relatively large lump of soil remaining without being finely crushed in the container drops from the introduction opening to the outside of the container. Since it is possible to cause it to fall, it is possible to rebound the fallen soil by the plowing revolving rotary member and return it to the container, and by such circulation, the soil can be successively crushed into fine pieces.

(8) When the crushed earth plate of the crushed earth rotating body is provided at least at a position substantially opposite to the strip-shaped portion 44A (FIG. 9) forming the top of the mountain, the crushed earth rotation of the earth discharging opening is performed. Foreign matter that is clogged at the tip end when viewed in the direction of body rotation,
It is easily caught by the rotating crushing blade and comes off the edge. Therefore, while preventing clogging of the soil discharge opening,
The crushed soil can be efficiently discharged from the soil discharge opening.

[Brief description of drawings]

FIG. 1 is a side view showing a crushing machine according to the present invention in its usage state.

FIG. 2 is a perspective view showing a crusher.

FIG. 3 is a partial perspective view showing a crusher.

FIG. 4 is a partial perspective view showing a crushed soil portion.

FIG. 5 is a side view showing a crushed soil portion.

FIG. 6 is a cross-sectional view showing a state in which crushed soil is discharged from an opening for discharging soil.

FIG. 7 is a perspective view showing a configuration of a tillage repelling rotary body and a crushed soil rotary body.

FIG. 8 is a sectional view showing the operation of the crusher.

FIG. 9 is a perspective view showing a configuration of a crushed soil portion.

FIG. 10 is a side view showing a conventional tiller.

FIG. 11 is an explanatory diagram showing the operation.

[Explanation of symbols]

1 crusher 2 towing vehicle 3 Tillage repelling part 5 crushed soil 7 Support frame 9 Tillage repelling rotary body 11 crushed soil rotating body 29 exclusion opening 36 Introductory opening 37 soil collection guide 40 Arc-shaped wall 49 Crushed blade 57 drive shaft

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Claims (12)

(57) [Claims] 1. A shredder attached to a towing vehicle, comprising: a plowing repelling part for plowing a predetermined width along with the progress of the towing vehicle and repelling the cultivated soil rearward; And a crushed soil portion for accommodating and crushing the raised soil, wherein the plowing repelling portion performs the plowing by rotating around an axis substantially orthogonal to the traveling direction of the towing vehicle, and is directed backward with the rotation. A cultivating and repelling rotary body that repels the soil by means of the crushing, and the crushed soil portion has an introduction opening for introducing the repelled soil, which is formed long in a direction substantially orthogonal to the traveling direction of the towing vehicle, Further, it comprises a container in a fixed state in which a lower part is formed as an arcuate wall part, and is rotated in the container around an axis line substantially orthogonal to the traveling direction of the towing vehicle to crush the contained soil. The crushed soil rotating body rotates in the same direction as the plowing repelling rotating body. That as Housed also Harrow machine, characterized in that the exhaust dog days opening for dropping the soil was crushed by 該砕 earth rotating body is provided on the arc-shaped wall portion. 2. The height of the upper edge of the introduction opening is such that, as the crushed soil rotating body rotates, a relatively large lump of soil remaining without being crushed into a required size is dropped from the introduction opening to the outside of the container. The crusher according to claim 1, wherein the crusher is set so that it can be moved. 3. A soil collecting guide plate is provided at a lower edge of the introduction opening of the container so as to be inclined downward in a traveling direction of the towing vehicle and to bite into the cultivated soil. The soil collecting guide plate moves the cultivated soil forward and supplies it to the repelling portion of the cultivating repelling rotary body as the towing vehicle progresses, and the cultivated repelling rotary body repels the soil. The earth crusher according to claim 1, wherein the earth is received from below and is guided into the container. 4. The earth crushing machine according to claim 3, wherein the earth collecting guide plate is projected downward so as to be inclined at an angle of 30 to 40 degrees in a traveling direction of the towing vehicle. 5. An exclusion opening is provided on both side surfaces of the container to remove foreign matter contained in the contained soil to the outside along with the rotation of the crushed soil rotating body. The crusher according to claim 1. 6. A shredder attached to a towing vehicle, comprising: a tilling repelling part that cultivates a predetermined width as the towing vehicle advances and repels the cultivated soil rearward; And a crushed soil portion for accommodating and crushing the raised soil, wherein the plowing repelling portion performs the plowing by rotating around an axis substantially orthogonal to the traveling direction of the towing vehicle, and is directed backward with the rotation. It is equipped with a cultivating and repelling rotary body that repels the soil by the
The accommodating body is formed in a cylindrical shape extending along an axis substantially orthogonal to the traveling direction of the traveling machine, and a front portion thereof viewed in the traveling direction is flipped up by the rotation of the tilling repelling rotary body. An introduction opening for introducing the ground soil is provided, and both ends of the crushed soil rotating body are rotatably supported by bearings provided on both side surfaces of the containing body for forced rotation of the crushed soil rotating body. Along with this, the soil introduced into the container is crushed and dropped from the soil discharge opening provided in the container, and both side surfaces of the container are contained in the contained soil. An exclusion opening is provided for removing foreign matter to the outside with the rotation of the crushed soil rotating body, and a lower edge of the introduction opening is inclined downward in the traveling direction of the towing vehicle and is cultivated. The soil collecting guide plate that cuts into the soil , As the towing vehicle progresses, the tilled soil is moved forward and supplied to the repelling portion of the tiller repelling rotary body, and the soil repelled by the tiller repelling rotor is received from below. The earth crusher is configured so as to be guided into the container. 7. When the container is formed in a long cylindrical shape along an axis substantially orthogonal to the traveling direction of the traveling machine,
The earth crushing machine according to claim 6, wherein an opening for earth removal is provided over the entire arcuate wall portion excluding the introduction opening. 8. The earth crusher according to claim 1, wherein the earth discharging opening is formed in a spiral groove shape that is twisted in the axial direction of the container. 9. The groove width of the soil discharge opening is 20 to 30 mm.
The crusher according to claim 8, wherein the crusher is set to. 10. The container according to claim 5, wherein both sides of the container viewed in the lengthwise direction are formed as smooth arc-shaped surfaces without the soil discharge opening.
The crusher described. 11. The earth crusher according to claim 8, wherein the spiral groove-shaped discharge openings are provided in a staggered arrangement when viewed in the longitudinal direction of the container. 12. The crushed earth rotating body comprises a crushed earth blade fixed at a required interval on a rotary shaft extending in a direction substantially orthogonal to the traveling direction of the towing vehicle, and the earth discharging opening is When viewed in the length direction of the container, the opening is formed as a spiral groove shape continuous in a zigzag shape through the interrupted portion, and the interrupted portion forms a strip-shaped portion continuous in the circumferential direction of the container, and The strip-shaped portions are juxtaposed in the longitudinal direction of the container so as to form the tops of the peaks and the bottoms of the valleys of the adjacent spiral groove-shaped openings when viewed in the rotation direction of the crushed soil rotating body, 7. The crushed earth blade is located at a position substantially opposite to the strip-like portion forming the top of the mountain.
The crusher described.