JP2004121018A - Apparatus for forming levee - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To till and move soil at the side of a levee or the soil in a part of the levee and at the side of the levee and to form a furrow before performing creation of the levee, tillage and puddling operation, etc., in a paddy field. <P>SOLUTION: The apparatus for forming the levee is installed on both the left and the right sides from the lower end of a transmission case 5 of a walking type tractor 1 as follows. The shaft diameter of a rotation driving shaft 8 on the side of the levee is reduced and a tillage delivering rotor 6 for tilling the soil at the side of the levee or the soil in the part of the levee and at the side of the levee, delivering the soil in the shaft direction and raising the soil to a prescribed height is mounted on the outer periphery of the resultant rotation driving shaft 8. The shaft diameter of a rotation driving shaft 11 on the side opposite to the levee is increased. A plurality of tillage tines 12 and a tillage rotor 7 having a ring body 13 rolling in contact with the field surface and attached to the shaft end are mounted on the outer periphery of the resultant rotation driving shaft 11. A reshaping plate 15 is arranged at the rear of the tillage delivering rotor 6 and a resistance rod 17 is arranged at the rear of the tillage rotor 7. Tillage tines 9 containing a plurality of eccentric tines and a plurality of soil feeding plates 10 are mounted on the outer periphery of the rotation driving shaft 8 in the tillage delivering rotor 6. The reshaping plate 15 is stood at a prescribed width and height and the reshaping plate 15 on the side of the levee is nearly vertical. The opposite side is in a form tilted toward the outside to raise the soil. Furthermore, the ring body 13 can be mounted and demounted from the rotation driving shaft 11 and exchanged for a ring body 13a having a different diameter. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
[Industrial applications]
The present invention, in a paddy field, before performing ridge development, tilling and alternative scraping work, tilling the soil at the ridge or a part of the ridge and the soil at the ridge to form a groove at the ridge and to form a groove at the ridge. The present invention relates to a ridge-cutting device for performing an operation of raising a work to approximately a predetermined height in a field on the opposite side.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, maintenance work on ridges performed before paddy planting in a paddy field has been mostly performed by a human using a hoe or the like. In recent years, in large-scale fields with improved infrastructure, there are cases in which ridge maintenance work is performed using a ridge creation device (ridge coating machine) set in a riding tractor, but the number is still small. In the case of performing ridge maintenance work on soil ridges manually, there are many cases in which ridge cultivation work is performed using a generally used rotary working device, and then ridge painting is performed in a flooded state. At that time, through holes were made in the old soil ridges by moles, etc., and water leaked, or the roof part collapsed and needed to be corrected, so that the side of the ridge was exposed to almost the specified depth. Mud is painted while shaping from the lower part of the ridge to the roof. In some cases, a ridge sheet made of a resin sheet is attached to the paddy side surface of the ridge.
[0003]
At present, there is no power ridge cutting device that plows such an old soil ridge to expose the side surface to a substantially predetermined depth, raises the cultivated soil to the outside, and forms a groove at the ridge. In addition, in the concrete ridge, when performing the tilling work on the ridge by the rotary work equipment, residual cultivation can be performed to prevent the side end of the working machine from coming into contact with concrete, and weeds grow in this residual cultivated part. Need to be processed. Also, since the boundary between the field scene and the concrete ridge is not clear, the side end of the rotary working device may be worn or damaged by contact with the concrete ridge. It was necessary to plow the soil and shift it to the side to form a groove to expose the concrete ridge.
[0004]
[Problems to be solved by the invention]
As mentioned above, tilling to expose the side of the old soil ridge to almost a predetermined depth, work to form a groove on the cultivated soil to the outside, or plow the ridge to expose the concrete ridge It was necessary to develop a work machine (ridge cutting device) that could perform such work because there was no suitable work machine for performing the work to shift to the side.
The present invention solves the above-mentioned problems and problems, especially in paddy fields, before performing levee construction, tillage, alternative scraping work, etc., plow the soil at the ridge or part of the ridge and the soil at the ridge. An object of the present invention is to provide a ridge-cutting device which can raise a ridge to a predetermined height in a field opposite to the ridge to form a groove at the ridge.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides
A. For the transmission shaft that protrudes horizontally from the lower end of the transmission case of the walking tractor to the left and right sides, the shaft diameter of the rotary drive shaft on the ridge side is narrowed, and around the periphery of the ridge of the soil ridge, part of the soil ridge and Plow the soil at the edge of the ridge or at the edge of the concrete ridge and send it out in the axial direction and raise the tilling to a predetermined height. Attach a tilling claw, attach a tilling rotor attached with a ring body that rolls into the field scene at the shaft end, and arrange a shaping plate behind the tilling sending rotor and a resistance bar behind the tilling rotor, respectively. It is characterized by doing.
[0006]
B. The tilling delivery rotor includes a plurality of tilling claws including a plurality of cultivating claws including a nail whose center is eccentric so that a cultivating claw at a ridge side end protrudes toward the ridge side on an outer periphery of a small-diameter rotary drive shaft. It is characterized by being attached.
C. The shaping plate is characterized in that it is erected at a predetermined width and height, the ridge side is substantially vertical, and the opposite side is inclined outward to form a shape that swells the soil.
D. The ring body is detachable from a large-diameter rotary drive shaft, and can be replaced with one having a different diameter.
[0007]
[Action]
With the above configuration, the ridge cutting device of the present invention
▲ 1 ▼. For the transmission shaft that protrudes horizontally from the lower end of the transmission case of the walking tractor to the left and right sides, the shaft diameter of the rotary drive shaft on the ridge side is narrowed, and around the periphery of the ridge of the soil ridge, part of the soil ridge and Plow the soil at the edge of the ridge or at the edge of the concrete ridge and send it out in the axial direction and raise the tilling to a predetermined height. Attach a tilling claw, attach a tilling rotor attached with a ring body that rolls into the field scene at the shaft end, and arrange a shaping plate behind the tilling sending rotor and a resistance bar behind the tilling rotor, respectively. As a result, the soil at the ridge cultivated by the tilling sending rotor is sent in the axial direction of the tilling sending rotor, and is raised on the soil cultivated by the tilling rotor by the shaping plate to form a groove at the ridge. The working resistance of the tilling delivery rotor and the shaping plate is balanced with the working resistance of the tilling rotor, the ring body and the resistance bar, and the maneuverability of the walking tractor is improved. Then, in the soil ridge, the raised tilling soil is applied from the lower part of the ridge to the roof. Moreover, in the concrete ridge, the boundary between the ridge and the soil becomes clear, and the scraping work becomes easier.
[0008]
▲ 2 ▼. The tilling delivery rotor is equipped with a plurality of tilling claws including a plurality of tilling claws, including nails that are eccentric so that the cultivating claws on the ridge side protrude toward the ridge side, on the outer circumference of the small-diameter rotary drive shaft. By doing so, the soil tilled by the tilling nails is tilled by the soil feeding plate and sent in the axial direction of the rotor, and a shaping plate is used to form a groove at the ridge and raised on the soil tilled by the tilling rotor. The eccentric nails come into contact with the concrete ridge, and the rotary drive shaft does not come into contact with the concrete ridges.
(3). The shaping board stands upright at the specified width and height, the ridge side is almost vertical and the opposite side is inclined outward and is formed in a shape that raises the soil, and the tilling sent by the soil feeding plate The soil is raised on the soil cultivated by the tilling rotor while the ridge is dug down to form a groove on the ridge.
▲ 4 ▼. The ring body can be attached to and detached from the large-diameter rotary drive shaft, and can be exchanged for one with a different diameter. , Can perform appropriate work.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of the present invention will be specifically described with reference to the accompanying drawings.
In FIG. 1 to FIG. 4, reference numeral 1 denotes a walking type tractor, on which an engine 3 is mounted above a fuselage 2 and a steering handle 4 is provided diagonally rearward and upward from the fuselage 2. A transmission case 5 protrudes downward from the center of the body 2 in the width direction, and a transmission shaft (not shown) protrudes from the lower end of the transmission case 5 on both left and right sides in the horizontal direction. The tilling rotor 6 is mounted on the tilling sending rotor 6 on the side, and the tilling rotor 7 is mounted on the side opposite to the ridge.
[0010]
The tilling delivery rotor 6 reduces the diameter of the rotary drive shaft 8 mounted on the transmission shaft, and a plurality (four in this embodiment) of tilling claws 9 and a plurality of (two in this embodiment) 3) is mounted. Of the tilling nails 9, those on the ridge side end of the rotary drive shaft 8 are eccentric so as to protrude from the shaft end of the rotary drive shaft 8 toward the ridge side.
The soil feed plate 10 is obtained by welding a spirally curved plate body to the ridge of a tilling nail, and the one near the ridge is wider and longer than the other. Then, the tilling delivery rotor 6 tillies the soil at the ridge or a part of the ridge and at the ridge, sends out the soil in the axial direction, and raises the soil to a predetermined height.
[0011]
The cultivating rotor 7 has a rotary drive shaft 11 on the opposite side of the ridges as a hexagonal cylindrical shaft, has a shaft diameter much larger than that of the rotary drive shaft 8, and has a large number (six in this embodiment) of cultivating claws 12 on its outer periphery. In addition to the above, a ring body 13 which is in contact with a field scene is attached to the shaft end. The ring 13 is detachable from the large-diameter rotary drive shaft 11, and can be replaced with a ring 13a having a large diameter. In this embodiment, the diameter of the ring body 13 is 320 mmφ, and the diameter of the ring body 13a is 400 mmφ. However, when the ridge is a soil ridge, the ring body 13a is used, and when the ridge is a concrete ridge, the ring body is used. 13 is used.
[0012]
Behind the tilling delivery rotor 6 and the cultivating rotor 7, the shaping plate 15 is attached to the body 2 via a mounting portion 14 a and is positioned behind the cultivating delivery rotor 6 with respect to the support rod 14 extending in the horizontal direction. And a resistance bar 17 is disposed behind the tilling rotor 7. The shaping plate 15 and the resistance bar 17 can be slid and fixed in the left-right direction with respect to the support rod 14, and the operating depth in the vertical direction can also be adjusted.
[0013]
The shaping plate 15 has a front upright portion 15a standing upright at a predetermined width and height, a ridge side surface portion 15b formed as a substantially vertical surface on the ridge side, and an outward facing side opposite to the ridge side surface portion 15b. Removable abrasion prevention for preventing abrasion of the sloping portion 15c formed in a well-known cultivation plate shape so as to swell the soil and the corners of the front standing portion 15a and the ridge side surface portion 15b. And a member 15d. At the rear end of the soil embossing portion 15c, a rubber blade plate 16 for promoting the soil embossing action of the earth embossing portion 15c is detachably provided.
[0014]
Next, the operation of the ridge cutting device configured as described above will be described.
The walking type tractor 1 equipped with the ridge cutting device is introduced into a paddy field where ridge maintenance work is performed before rice transplanting, the tilling delivery rotor 6 and the tilling rotor 7 are rotationally driven, and the walking type tractor 1 is advanced. The ridge cutting work is performed so that the outer end of the tilling delivery rotor 6 is arranged along the ridge for maintenance. In the tillage sending rotor 6, the soil at the ridge is plowed relatively deeply by the tillage claw 9 and the soil feeding plate 10, and the tilled soil is sent out by the soil feeding plate 10 in the axial direction of the rotary drive shaft 8 to form a groove, The shaping plate 15 raises the soil to a predetermined height on the soil tilled by the tilling rotor 7 to a predetermined depth.
[0015]
The shaping plate 15 causes the ridge side surface portion 15b to follow the ridge, pushes the soil plowed by the tilling sending rotor 6 by the front standing portion 15a to the front side, and sends the soil in the axial direction of the rotary drive shaft 8 by the tilling sending rotor 6. A groove is formed, and the soil is raised to a predetermined height on the soil tilled by the tilling rotor 7 by the soil raising portion 15c and the rubber blade plate 16. A resistance rod 17 is grounded behind the tilling rotor 7 that performs tilling work at a predetermined depth, and maintains the balance with the working resistance of the shaping plate 15. In addition, the working resistance of the tilling delivery rotor 6 and the tilling rotor 7 is almost balanced. For this reason, the worker who carries out the work while holding the steering handle 4 can perform a stable work.
[0016]
FIG. 5 shows a cross section of a work trace by the ridge cutting device of the present invention. (A) is the case of the soil ridge A, (b) is the case of the concrete ridge B, and (c) is the case of the soil ridge C which is partially tilled. In the case of the soil ridge A, the work is performed with the ring body attached to the tilling rotor 7 having a large diameter 13a and the body slightly inclined to the ridge side. The soil tilled by the tilling delivery rotor 6 is pushed forward by the front standing portion 15a to form a groove D, is sent by the tilling delivery rotor 6 in the axial direction of the rotary drive shaft 8, and is raised by the soil raising portion 15c and rubber blades. By the plate 16, the soil is cultivated by the tilling rotor 7, and the soil E is cultivated as a cultivated soil F at a predetermined height. The tillage raised soil F is applied to the slope of the soil ridge A from below to the roof portion in a muddy state using a hoe or the like, and is repaired to complete a new ridge. When embedding the ridge sheet, the lower part of the sheet is located in the groove D portion and buried with the tillage raised soil F. After that, a scraping work is performed to level the grooves D and the tillage raised soil F, and a rice planting work is performed.
[0017]
In the case of the concrete ridge B, the work is performed with the ring body attached to the tillage rotor 7 having a small diameter of 13 and the body substantially horizontal. The tilling delivery rotor 6 plows to the very edge of the concrete ridge, but the eccentric claw contacts the concrete ridge, and the rotary drive shaft does not contact the concrete ridge, increasing the tilling resistance and also causing wear and damage. If the eccentric nail is worn, it can be replaced. The groove D formed by the front standing portion 15a and the tilling delivery rotor 6 is slightly deeper at the concrete ridge B and the boundary between the concrete ridge B and the soil becomes clearer. Can be prevented from contacting and damaging the side edges of the concrete ridge B. The soil ridge C partially cultivated is almost the same as the soil ridge A, and does not change except that the amount of the cultivated and raised soil F is slightly larger than that of the soil ridge A.
[0018]
【The invention's effect】
As described above, according to the ridge cutting device of the present invention, the following functions and effects can be obtained by having the configuration of claims 1 to 4.
▲ 1 ▼. For the transmission shaft that protrudes horizontally from the lower end of the transmission case of the walking tractor to the left and right sides, the shaft diameter of the rotary drive shaft on the ridge side is narrowed, and around the periphery of the ridge of the soil ridge, part of the soil ridge and Plow the soil at the edge of the ridge or at the edge of the concrete ridge and send it out in the axial direction and raise the tilling to a predetermined height. Attach a tilling claw, attach a tilling rotor attached with a ring body that rolls into the field scene at the shaft end, and arrange a shaping plate behind the tilling sending rotor and a resistance bar behind the tilling rotor, respectively. As a result, the soil at the ridge cultivated by the tilling sending rotor was formed in the tilling sending rotor in the axial direction, and a groove was formed in the axial direction of the tilling sending rotor. Can. The work resistance of the tilling delivery rotor and the shaping plate is balanced with the work resistance of the tilling rotor, the ring body and the resistance bar, and can improve the maneuverability of the walking tractor. Then, in the soil ridge, the raised tilling soil is used to apply from the lower part of the ridge to the roof, and a good ridge without water leakage can be finished. Further, in the concrete ridge, the boundary between the ridge and the soil becomes clear, and a safe scraping operation can be performed without the side end of the rotary working device coming into contact with the ridge.
[0019]
▲ 2 ▼. The tilling delivery rotor is equipped with a plurality of tilling claws including a plurality of tilling claws, including nails that are eccentric so that the cultivating claws on the ridge side protrude toward the ridge side, on the outer circumference of the small-diameter rotary drive shaft. As a result, the soil tilled by the tilling claws can be sent out in the axial direction of the rotor by the tilling feed plate to form grooves, and can be raised on the soil tilled by the tilling rotor by the shaping plate. Also, the eccentric nails come into contact with the concrete ridge, and the rotary drive shaft does not come into contact with the concrete ridges.
(3). The shaping board stands upright at a specified width and height, and the ridge side is almost vertical and the opposite side is inclined outward and is formed in a shape that raises the soil, so the cultivated soil sent by the soil feeding plate Can be raised on the soil tilled by the tilling rotor with the ridges dug down.
▲ 4 ▼. The ring body can be attached to and detached from the large-diameter rotary drive shaft, and can be replaced with one with a different diameter, so if the ridge is a soil ridge or a concrete ridge, by replacing it with a ring with a different diameter, Appropriate work can be performed, and aircraft maneuverability can be improved.
[Brief description of the drawings]
FIG. 1 is a perspective view of a ridge cutting device according to the present invention mounted on a walking tractor, as viewed obliquely from the front.
FIG. 2 is an exploded perspective view of the ridge cutting device.
FIG. 3 is an exploded front view of the ridge cutting device.
FIG. 4 is a rear view of the shaping plate and the resistance bar.
FIG. 5 is a cross-sectional view of a work trace by the ridge cutting device, wherein (a) shows a case of a soil ridge, (b) shows a case of a concrete ridge, and (c) shows a case where a part of the soil ridge is tilled. .
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Walking type tractor 2 Body 3 Engine 4 Operating handle 5 Transmission case 6 Tilling delivery rotor 7 Tilling rotor 8 Small-diameter rotary drive shaft 9, 12 Tillage claw 10 Soil feed plate 11 Large-diameter rotary drive shaft (hexagon shaft)
Reference Signs List 13 ring body 13a ring body with large diameter 14 support rod 14a mounting part 15 shaping plate 15a front standing part 15b ridge side surface part 15c soil embossing part 15d wear prevention member 16 rubber blade plate 17 resistance rod A soil ridge B concrete ridge C Soil ridge D. Groove E Tillable soil F Tillable soil

Claims (4)

For the transmission shaft that protrudes horizontally on the left and right sides from the lower end of the transmission case of the walking type tractor, make the shaft diameter of the rotary drive shaft on the ridge side narrower, Plow the soil at the edge of the ridge or concrete ridge and send it out in the axial direction, forming a groove to increase the height of the tilling to a predetermined height, and increase the shaft diameter of the rotary drive shaft on the opposite side of the ridge. A large number of tilling claws are attached to the outer periphery of the tilling rotor, and a tilling rotor having a ring body attached to a shaft scene at the end of the shaft is attached to the tilling rotor. A ridge cutting device, wherein rods are provided. The tilling delivery rotor includes a plurality of tilling claws including a plurality of cultivating claws including a diametrically arranged cultivating claw at a ridge side end protruding toward the ridge side on an outer periphery of a small-diameter rotary drive shaft. The ridge cutting device according to claim 1, wherein the device is mounted. 3. The shaping plate according to claim 1, wherein the shaping plate is erected at a predetermined width and height, the ridge side is substantially vertical, and the opposite side is inclined outward to form a shape that swells the soil. Ridge cutting device. 4. The ridge cutting device according to claim 1, wherein the ring body is detachable from a rotary drive shaft having a large diameter, and can be replaced with a ring having a different diameter.

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