JPH082A - Earth-moving rotary of ridge coater - Google Patents

Abstract

PURPOSE:To secure a given raised amount of soil by a ridging rotor for raking up soil on the surface of a field in levee forming operation by a border coating machine and to cleanly form a levee. CONSTITUTION:In a border coating machine which is attached to the rear of a tractor, grinds soil near a levee of a field or on the surface of an old levee by a ridging rotor, rakes up soil on the levee and coats and solidifies the surface of the levee by a levee forming plate, a straight edge 60 for cutting, a pawl 61 for grinding soil and a blade for springing are arranged in the order from the front on a rotary shaft for a ridging rotor R and the rotation radius of the straight edge is differed from that of the blade. The straight edge and the pawl are laid ahead and the blade is set behind the straight edge and the pawl. The straight edge is set in the revolution direction of down cutting and the pawl and the blade are laid in the revolution direction of up cutting.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a construction of a soil gathering rotary for scraping the surface of old ridges in a ridge coater to scrape up soil in a field.

[0002]

2. Description of the Related Art Conventionally, a ridge coating machine towed to the rear part of a tractor has been known, and this ridge coating machine scrapes the ridges and old ridges of a field with a soil gathering rotary having a rotating claw member. The earth was raised on the ridge, and the ridge surface was coated and solidified by the ridge orthopedic board with a vibrator. The earth-moving rotary in such a conventional ridge coating machine fixedly rotates several rows of nata claws on a rotating shaft and scrapes the soil in the field scene near the ridge to scrape up to the upper surface side of the ridge. Of.

[0003]

Such an earth-moving rotary is designed to scrape and scrape at the same time only by rotating the nata claws. However, when grass or the like grows, the scraping amount is small and the lifting amount is small. Sometimes, the desired ridge may not be obtained, and if the field is muddy with mud etc., the lifting amount may be small and the soil for ridge formation may be small and clean ridges may not be formed. .

[0004]

[Means for Solving the Problems] The present invention is mounted on the rear part of a tractor, crushes the surface of a field ridge and the surface of an old ridge with a soil-pour rotary, scrapes it up on the ridge, and coats the ridge surface with a ridge shaping plate. In a ridge coater, a straight blade for cutting, a claw for crushing soil, and a blade for flipping up are arranged in parallel in order from the front on the rotary shaft of the earth-moving rotary, and the turning radii of the straight blade, the claw, and the blade are different from each other. As configured. Also,
The straight blade and the claw are arranged on the front side, the blade is arranged on the rear side of the straight blade and the claw, and the straight blade is rotated in the downcut rotation direction and the claw and the blade are rotated in the upcut rotation direction.

[0005]

By using such a means, by driving the earth-moving rotary, weeds and the like growing on the fields near the ridges and on the slopes of the ridges are cut by the straight blades to facilitate the crushing of the soil. The nail can crush the soil, the blade can crush the soil to the ridges, and then the ridges can be formed into ridges by the ridge forming plate.

[0006]

The problems and configurations to be solved by the present invention are as described above, and one embodiment of the present invention shown in the accompanying drawings will be described below. 1 is a rear side view of a tractor with a ridge coater mounted on the rear side, FIG. 2 is a rear view of the ridge coater, FIG. 3 is a side cross-sectional view of a power transmission case, and FIG. 4 is a side cross-sectional view showing another embodiment of the same. Is.

The overall structure of the ridge coater will be described with reference to FIGS. 1 and 2. A top link 63 for mounting the working machine and left and right lower links 64 are arranged at the rear portion of the tractor T, and the upper mounting plate 2 is provided in front of the front surface of the power transmission case 30 of the ridge coater.
8 and the left and right mounting plates 29, 29 are projected, and the rear ends of the top links 63 and the left and right lower links 64 are mounted on the upper mounting plate 28 and the left and right mounting plates 29, 29 to lift the lift arm of the tractor T. By rotating, the ridge coating machine can be moved up and down.

A hydraulic pump P and a hydraulic oil tank 20 for storing hydraulic oil are disposed on the left side of the rear surface of the power transmission case 30, and a vibration part is mounted on the right side of the rear surface of the power transmission case 30 via a link mechanism. , The ridge molding plate 27 at the bottom of the vibrating part
Is provided. The link mechanism is a power transmission case 3
0 A plurality of support rods (not shown) are provided rearward of the rear surface, and the support link 1 is obliquely fixed to the rear end of the support rod, and the pivot shaft 5 is attached to the lower left end of the link 1. Link 2 protruding
Is pivotally connected to the upper left end of the link 2, the lower right end of the link 2 is pivotally connected to the lower left end of the link 3 via a pivot shaft 6, and the upper part of the link 3 is lower right end of the link 4 via a pivot shaft 7. Further, the floating link 8 is pivotally connected to the upper right end of the link 1 via a pivot shaft 9, and the lower part of the floating link 8 and the upper left end of the link 4 form a pivot shaft 10. They are pivotally connected to each other to form a substantially parallel link mechanism.

In addition, the support rod 18 is attached from the power transmission case 30.
Is extended rearward to fix the support plate 19, and a lift cylinder 21 with an electric motor capable of forward and reverse rotation is pivotally supported at the tip of the support plate 19, and the lower end of the piston rod of the lift cylinder 21 is linked to the link 2. 3 is pivotally connected to a pivot shaft 6 that pivotally supports the three, and the elevating cylinder 21 is driven to expand and contract,
The link angle of the links 2 and 4 with respect to the links 1 and 3 can be changed, and the height of the ridge shaping plate 27 can be adjusted. Further, a lower end of a supporting rod 38 for supporting the rotary cover 37 is pivotally supported on the pivot shaft 6, and the supporting rod 38 is bent in a "V" shape so that the rotary cover 3 has a tip end.
The rear end of the targeting marker 59 is fixed to the corners of 7 and the ridge A. The lower part of the link 65 is pivotally supported slightly above the pivotal support part of the support rod 38 with the pivotal support shaft 6, and the upper end of the link 65 is pivotally supported by the pivotal support shaft 12 in the middle part of the support link 1. The link 2 and the link 65 are configured to be parallel links.

Further, an upper end of a lock lever 8a is fixed to the lower side of the floating link 8, the lock lever 8a is extended downward, and a lock pin 8b projects rearward from a middle portion of the lock lever 8a. The rocking stop plate 11 is installed.
It penetrates through a long hole opened at. The rocking stop plate 11 is pivotally supported by a pivot 12 provided on the link 1, and the rocking stop plate 1 is
1, a lock arm 13 is pivotally supported, and the lock arm 13
By fitting the lock pin 8b into the cutout portion provided in, the rocking (floating) can be locked in the case of a soft ridge with two steps of height.

The spring support plate 2 is attached to the upper end of the link 3.
2 is fixed, and springs 23, 23, 23 are attached to the spring support plate 22.
Is fixed to the upper part of the vibrating body 24, and the vibrating body 24 has a hydraulic motor M fixed to the side thereof so that the vibrating body 24 is driven by the pressure oil from the hydraulic pump P to vibrate. A ridge molding plate 27 is fixed to the lower portion of the body 24.
The ridge molding plate 27 is formed in a "V" shape when viewed from the rear side.
The upper surface and the slope are pressed down.

Further, a sled body 40 is vertically supported so as to support the ridge coater from below, and a sled body height adjusting handle 41 is attached to adjust the ground contact height of the sled body 40. A rear plow 42 for backfilling the soil on the edge of the ridge scraped up by the soil-pulling rotary R is arranged at the rear portion of 40. Then, the support arm 43 is projected rightward from the front portion of the power transmission case 30, and the front plow 39 is provided at the tip of the support arm 43 to scrape off the soil on the upper surface of the ridge A.

In the power transmission case 30 for driving the earth moving rotary R, which is a main part of the present invention, FIG.
, The input shaft 31, the counter shaft 32, and
The hydraulic pump shaft 33 and the rotary shaft 34 are bearing-supported, and a chain 35 for power transmission is wound between these four shafts so that the hydraulic pump and the earth gathering rotary R can be driven. The counter shaft 32 has a tension sprocket 47 for tensioning the chain 35.
The input shaft 31 is provided so as to project forward from the power transmission case 30, and power is transmitted from the PTO shaft of the tractor to the input shaft 31 via a universal joint.

On the input shaft 31 are sprockets 45.4.
6 is fixed, and the sprocket 4 is mounted on the counter shaft 32.
7 is fixed, a pipe-shaped clutch shaft 49 is fixed on the hydraulic pump shaft 33, the sprockets 50 and 51 are loosely fitted on the clutch shaft 49, and the front shaft 34b of the rotary shaft 34 is fixed.
A sprocket 54 is fixedly mounted on the rear shaft 34a, and a sprocket 55 is fixedly mounted on the rear shaft 34a. The front shaft 34b and the rear shaft 34a are rotatably and coaxially arranged with each other.
A chain 56 is wound between 5 and 50 and 54, and a chain 35 is wound between sprockets 46, 47, 51 and 55.

A shifter 52 is inserted in the central portion of the clutch shaft 49, and the end portion of the shifter 52 is connected to the power transmission case 30.
A ball clutch is formed between the shifter 52, the clutch shaft 49, and the sprockets 50 and 51 so that a ball clutch is formed, and a shift lever 53 is connected to the other end of the shifter 52. The sliding of the shifter 52 by the rotation of the above allows a ball to be fitted between the clutch shaft 49 and the sprocket 50 or the sprocket 51 to selectively transmit power.

That is, in the state of the upper half of the shifter 52 in FIG. 3, the clutch shaft 49 and the sprocket 51 come into "contact" with each other through the ball, and the sprocket 50 becomes idle, and the sprocket 46 and the chain 35 from the input shaft 31. , The hydraulic pump shaft 3 via the sprocket 51
3 is driven and the lower half of the shifter 52 in FIG. 3 is in a state where the clutch shaft 49 and the sprocket 50 are in "contact" with each other through the ball, the sprocket 51 is in an idle state, and the sprocket 45 and the chain 56 from the input shaft 31. The hydraulic pump shaft 33 is driven via the sprocket 50. In this way, the rotation speed of the hydraulic pump shaft 33 can be changed by rotating the shift lever 53. In any of these states, the front shaft 34b and the rear shaft 34a of the rotary shaft 34 are driven through the sprocket and the chain, and the rear shaft 34a winds the chain 35 around the sprocket 47 on the counter shaft 32. Therefore, the rotation is reverse to that of the front shaft 34b.

The front shaft 34b is projected forward from the power transmission case 30, and several straight blades 60 (two in this embodiment) are radially fixed to the projecting portion, and the rotation direction is rear view. Rotate to the right to cut down the weeds by down-cutting.
The number of teeth of is smaller than that of the sprocket 55 to increase the number of rotations.

The rear shaft 34a is the power transmission case 3
0 is projected rearward, and several nata claws 61 are radially fixed to the front side of this projecting part and several bladed claws 62 are radially fixed to the rear side of the projecting portion to form the earth gathering rotary R together with the straight blade 60. The rotation of the blade 61 and the bladed claw 62 is up-cut when rotated leftward in rear view.
The soil is crushed by, and the bladed claws 62 are rotated to scrape up the ridges A. Further, the rotation radius L1 of the straight blade 60 and the rotation radius L2 of the loose claw 61 are smaller than the rotation radius L3 of the bladed claw 62. However, in this embodiment, there are two loose claws 61 and a bladed claw 6
2 to 2 are attached, but the number is not limited.

As another construction of the earth-moving rotary R, as shown in FIG. 4, a straight blade 60, a ratchet claw 61 and a blade claw 62 are provided on the same rotary shaft 34 to rotate in the same rotation direction. Can also be configured as a straight blade 6
It is also possible to dispose the 0 and the bottom claw 61 on the front side, and the claw 62 with a blade on the rear side.
And the turning radii L1 and L2 of the loose claw 61, the claw with blade 6
It is configured to be larger than the turning radius L3 of 2. Although not shown, in the arrangement shown in FIG.
It is also possible to change the rotation direction of the bladed claw 62 on the rear side, and the straight blade 60 is arranged on the front side, and the nata claw 61 and the bladed claw 62 are arranged on the same row on the rear side. It is also possible to dispose the claws 61 and the claws with blades 62 alternately, and to dispose the straight blades 60, the loose claws 61 and the claws with blades 62 in this front-back direction only on the front side only or only on the rear side. It is also possible to set the number of rotations, or to change the radius of rotation.

[0020]

Since the present invention is configured as described above, it has the following effects. That is, with the structure according to claim 1, by driving the earth-moving rotary, weeds and the like growing on the fields near the ridges and the slopes of the ridges are easily cut by the straight blades so that the soil can be easily crushed. The soil was crushed by the nails, and the soil crushed by the blade was flipped up to the ridge,
After that, the ridges will be formed beautifully by the ridge forming plate.

According to the second aspect of the invention, since the radius of gyration of the blade is shorter than that of the straight blade, only crushed and finely ground crushed soil can be scraped up to the ridge side, and a sufficient scraping amount can be obtained. And there is no leftover cut.

According to the third aspect of the present invention, the weeds can be cut with a straight blade and the pretreatment for crushing the soil can be performed, the entanglement of the grass can be reduced, and the soil can be reliably crushed by the nata claws. As it scoops up the soil, it becomes possible to form beautiful ridges.

According to the fourth aspect of the present invention, since the down cutting is performed by the straight blade, the weeds after cutting are not lifted up to the ridge, and the up cut of the blade can lift the crushed soil to clean the surface. Can be finished.

[Brief description of drawings]

FIG. 1 is a rear side view in which a ridge coater is mounted on a rear portion of a tractor.

FIG. 2 is a rear view of the ridge coater.

FIG. 3 is a side sectional view of a power transmission case.

FIG. 4 is a side sectional view showing another embodiment of the present invention.

[Explanation of symbols]

 A ridge R earth-moving rotary 27 ridge shaping plate 34 rotary shaft 60 straight blade 61 loose claw 62 blade

Claims (4)

[Claims] 1. A ridge coater which is mounted on the rear part of a tractor, crushes the surface of a field ridge and the surface of an old ridge with a soil gathering rotary, scrapes the ridge on the ridge, and hardens the ridge surface with a ridge shaping plate.
The earth moving rotary of a ridge coating machine, in which a straight blade for cutting, a claw for crushing soil, and a blade for flipping up are arranged in parallel in order from the front on the rotary shaft of the earth moving rotary. 2. The earth-moving rotary of claim 1, wherein the straight blade, the claw, and the blade have different turning radii. 3. The earth-moving rotary of a ridge coating machine according to claim 1, wherein the straight blade and the claw are arranged on the front side, and the blade is arranged on the rear side of the straight blade and the claw. 4. The earth-moving rotary of the ridge coating machine according to claim 1, wherein the straight blade is configured to rotate in a down-cut rotation direction and the claw and the blade are rotated in an up-cut rotation direction.