JPH03292801A - Tiller - Google Patents

Abstract

PURPOSE:To reverse soil and gravel without fail and to till while keeping the arrangement of gravel to a well-ordered state by attaching many radial tilling cutter units composed of vertical cutter blades and horizontal cutter blades set to the end parts of the vertical cutter blades to the periphery part of a rotor shaft of a rotary tiller unit in the axial direction. CONSTITUTION:When a rotary tiller unit 10 is driven to rotate in the direction of upcut, the ground is scooped up in the form of block of soil and grave having a prescribed size by a series of cutting operation of vertical cutter blades 14 attached to both sides of each tilling cutter unit 10 and horizontal cutter blades 15 in a tiller unit 10. The scooped block of soil and grave is then introduced from the upward to a cover unit and subsequently thrown towards a rotary unit on the rear part of the rotary tiller unit 10 in a reversed state to the downward.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a tillage device, and mainly relates to a tillage device for cultivating paddy fields.

(Prior Art) Conventionally, as this type of tilling apparatus, rotary tilling is carried out using a rotary tilling body having a plurality of tilling claws protruding radially, and plow tilling is carried out using a plow.

(Problems to be Solved by the Invention) In the case of the rotary kasuri, since the tilling is carried out using a large number of tilling claws, it has excellent soil agitation performance, but it has a drawback in terms of soil reversal performance. There is a problem in that burying in the earth is messy and there is a lack of certainty regarding the burying of coarse organic matter such as weeds and compost on the ground surface.

In addition, in the case of plow plowing, the soil is turned over laterally while being cut by the plow, so it has better turning performance than rotary plowing, but this layer of soil is turned over continuously. In addition to this, there is a problem in that additional framework work is required as a separate work.

Therefore, the present invention has been made in view of these problems, and it is possible to perform cutting and tilling by scooping up the sandals into blocks, and also to allow the block-shaped soil layer to be thrown from the front upper part to the rear lower part. The object of the present invention is to provide a tillage device that has both soil layer inversion and soil crushing properties, and is capable of tilling in an orderly pattern.

[Structure of the invention]

(Means for Solving the Problems) The tilling device of the invention according to claim 1 includes a main body frame, a rotary tilling body provided on the main body frame so as to be rotatable in an up-cut direction, and an upper part of the rotary tilling body. The rotary tiller comprises a covered cover integrally,
A large number of tilling blade bodies having a vertical cutting blade and a horizontal cutting blade at the tip of the vertical cutting blade are provided radially protruding from the circumferential side in the axial direction of the tilling shaft.

The tilling device of the invention according to claim 2 includes a main body frame, a plurality of tillers provided on the main body frame so as to be rotatable in the up-cut direction, and having vertical cutting blades in the axial direction and horizontal cutting blades at the tips of the vertical cutting blades. A rotary cultivating body having blade bodies arranged in a radial manner; a cover body covering the upper part of the rotary cultivating body; It is equipped with a rotating body that promotes the reversal of the thrown soil layer and causes it to fall.

(Function) In the tilling device according to claim 1, when the rotary tilling body is rotationally driven in the up-cut direction, the soil layer is removed by a series of cutting actions by the vertical cutting blade and the horizontal cutting blade of each tilling blade of the rotary tilling body. is scooped out into blocks of a predetermined size, and this block-shaped soil layer is turned over from the front upper part to the rear lower part and released to the rear part of the rotary tiller.

In the cultivating device according to the second aspect, when the block-shaped soil layer is thrown toward the rotary body that is rotationally driven in the down-cut direction, the rotary body promotes the inversion and fall of the block-shaped soil layer, The block-shaped soil layer is reliably and orderly dropped to the rear of the rotary tiller in an inverted state. Further, the rotating body crushes the block-shaped soil layer by promoting the reverse fall.

(Example) Hereinafter, one embodiment of the present invention will be described based on the drawings.

In the figure, reference numeral 1 denotes a main body frame, and this main body frame has upper ends of brackets 3 in the vertical direction facing left and right fixed to both ends of a cylindrical main frame 2 extending in the left-right direction. A chain case 4 is integrally fixed to the outer side of the bracket 3. Further, a transmission 6 is provided at an intermediate portion of the main frame 2 and rotatably protrudes forward with the input shaft 5, and on both sides of the main frame 2 at the left and right sides of the transmission 6, upward connecting arms 7 are provided. and the base end portions of the downward connecting arms 8 are integrally protruded, and each of the upper, lower, left, and right connecting arms 7.8
A connecting portion 9 is provided at the tip of the connecting arm 7.8, and each of the upper and lower connecting arms 7.8 is connected and supported by a stay 81.

10 is a rotary tiller, and this rotary tiller 1
0 has a tilling shaft 11 extending in the left-right direction, and a large number of disc-shaped flanges 12 are integrally fixed at predetermined intervals in the axial direction of the tilling shaft 11, and between each flange 12 there is a A large number of tilling blade bodies 13 are provided radially protruding from the circumferential side thereof. Each tilling blade body 13 has a vertical cutting blade j4 vertically connected to the left and right opposing flanges 12, and a horizontal cutting blade 15 is provided between the tips of the left and right vertical cutting blades 14. They are fixed together with a plurality of screws 17 via mounting pieces 16, and are formed into a gate shape as a whole. The left and right vertical cutting blades 14 are formed in a substantially arc shape in a side view toward the rear in the rotational direction, and the horizontal cutting blade 15 has a tip 18 formed in a protruding mountain shape in a plan view at the tip in the rotational direction. At the same time, this horizontal cutting blade 15
A support piece 19 is formed at the rear end in the rotational direction so as to be inclined inward. The lower ends of the left and right vertical cutting blades 14 of each of the tilling blade bodies 13 are integrally fixed to the flanges 12 adjacent to each other by a plurality of screws 20 at alternate mounting angles.

Then, both ends of the tilling shaft 11 of the rotary tiller 10 are rotatably mounted between the lower ends of the left and right brackets 3 and the lower end of the chain case 4 via bearing bodies, and the chain case 4 One end of the first output shaft 61 of the transmission 6, which protrudes into the upper end of the chain case 4, rotates through an interlocking medium 6h such as an endless chain. The first output shaft 6! is movably interlocked with the first output shaft 6! is rotatably inserted and supported within the main frame 2. The rotary tiller 10 is rotatably provided in the up-cut direction by power from the mission 6.

Reference numeral 21 denotes left and right connecting frames, which are formed to extend in the front-rear direction, and have a circular insertion hole 22 at the tip thereof, which is rotatably inserted into the main frame 2. A plurality of mounting holes 23 are formed at opposing positions of the opening edge of the insertion hole 22, and the plurality of mounting holes 23 are formed opposite to each other on both sides of the upper end of the left and right brackets 3. It communicates with the locking hole 24 of.

The left and right connecting frames 21 have their insertion holes 2
2 is inserted into and engaged with the main frame 2 and moved up and down around the main frame 2, and the plurality of mounting holes 23 at the selected positions and the plurality of locking holes 24 communicating therewith are By removably connecting them with bolts 25, the left and right connecting frames 21 are connected with the main frame 2 in a vertically adjustable manner.

Further, a bearing body 2 is provided at the rear end portion of the left and right connecting frames 21.
A rotary body 27 is rotatably provided to promote the reversal of the soil filling and to cause it to fall. This rotating body 27 has a rotating shaft 28 rotatably mounted on the left and right bearing bodies 26,
A large number of horizontally elongated plate-shaped assisting blades 29 are provided on the axial circumferential side of the rotary shaft 28 so as to alternately and continuously protrude outward at staggered mounting angles.

Further, the protruding end portion of the rotary shaft 28 supported on the bearing body 26 of the right side connection frame 21 is rotatable to the output end portion of the second output shaft 6C of the mission 6 via an interlocking medium 6d. The second output shaft 6c is rotatably inserted and supported within the main frame 2, and is connected to the interlocking medium 6d, the output end of the second output shaft 6C, and the protruding end of the rotating shaft 28. is covered by a transmission case 30 attached to the outer side of the right side connection frame 2I. The rotating body 27 is rotatably provided in the down-cut direction by the power from the mission 6 at the rear upper part of the rotary cultivating body 10 at a position where the soil is most likely to be turned over and dropped.

In addition, left and right support frames 31 are integrally fixed to the front upper portions of the left and right brackets 3 in a horizontal manner toward the front.
is attached, and the upper part of the suspension rod 33 is suspended from the left and right suspension fittings 32 such that the vertical position can be adjusted freely. A grass body 34 for plowing and reversing the front part of the bracket 3 is attached in advance.

Further, a cover unit 35 covering the upper portions of the rotary tiller 10 and the rotating body 27 is fixed between the left and right brackets 3 and the left and right connecting frames 21. The cover unit 35 is formed with a front arcuate portion 36 relative to the upper portion of the rotary cultivating body 10 and a rear arcuate portion 37 relative to the upper portion of the rotary body 27 . Further, a ground leveling body 39 is connected to the rear end portion of the integrated cover 35 via a plurality of hinges 38 so as to be rotatable in the vertical direction. The upper part of the suspension rod 41 is vertically movably supported by the rear ends of left and right support arms 42, and these left and right support arms 42 are horizontally fixed between the rear ends of the left and right side plates 35a of the cover unit 35. The left and right suspension rods 41 are supported by upper and lower coil springs 43 of the support arm 42 so as to be vertically movable.

Next, the operation of the configuration of the above embodiment will be explained.

The three-point connection part of the three-point suspension mechanism of the tractor is connected to the three-point connection part 9 of the main body frame 1, and the mission 6
The power output shaft of the tractor is connected to the input shaft 5 of the tractor via a power transmission shaft.

Next, the machine is towed by a tractor, and
When the power of the tractor is transmitted to the mission 6 via the input shaft 5, the first output shaft 61 and the second output shaft 6C of the mission 6 are driven, and these powers drive the interlocking media 6b and 6d, respectively. It is transmitted to the rotary tiller 10 and the rotary body 27, and the rotary tiller ID is rotationally driven in the up-cut direction, and the rotary body 27 is rotationally driven in the down-cut direction.

Then, the soil in front of the chain case 4 and the bracket 3 on the opposite side is plowed in advance by the preceding star bodies 34 on the left and right sides and turned over to the sides, so that they can move through the soil. A furrow is formed by plowing.

Moreover, when the rotary tiller lO is rotationally driven in the up-cut direction, the vertical cutting blades 14 and the horizontal cutting blades 15 on both sides of each tilling blade body 13 of the rotary tiller 10 are rotated.
Through a series of cutting actions, the cultivated soil is scooped out as a block-shaped soil layer of a predetermined size, and this block-shaped soil layer is guided from the front upper part to the cover unit 35 and is turned backward and downward. It is thrown toward the rotating body 10 at the rear of the tiller lO. Furthermore, when this block-shaped soil layer is thrown toward the rotating body 10 that is rotationally driven in the down-cut direction, the reverse fall of the block-shaped soil layer is encouraged by each promoting blade 29 of this rotating body io. , the block-shaped soil layer is reliably and orderly dropped onto the rear lower part of the rotary tiller 10 in an inverted state. Incidentally, when each of the promoting blades 29 promotes the reversal and fall, this soil layer is sent downward from the upper part and is slightly crushed.

Next, in the embodiment described above, the rotating body 27 has a large number of promoting blades 29, but the invention is not limited to this.
As shown in FIG. 7, the rotating body 27 may be configured by having a large number of supporting blades 44 such as straight blades or machete blades protruding radially from the circumferential side in the axial direction of the rotating shaft 28. good. As a result, the soil layer thrown toward the rotating body 27 in an inverted state is encouraged to fall backwards by each of the promoting blades 44, and the soil layer is also inverted by each of the promoting blades 44. Since the pushing cutting is carried out from the back side, the upper part of the soil is crushed, and each helping blade 44 is not tangled with foreign matter.

Furthermore, in each of the above embodiments, by adjusting the height of the rotating body 27 and changing its operating position, the lower layer part can be roughened (,
The upper layer can be pulverized.

〔Effect of the invention〕

According to the invention of claim 1, the rotary tiller is provided with a main body frame in which a large number of tiller blades having vertical cutting blades and horizontal cutting blades are protruded radially, and is rotatable in the up-cut direction. It is possible to cut and till the cultivated soil while scooping it as a block-shaped soil layer with each tilling blade body of the body, and also to reliably throw this block-shaped soil layer from the front upper part to the rear lower part and make it fall.
Therefore, the reversibility of the soil layer is ensured, and the upper part of the soil can be tilled in an orderly manner.

Further, according to the invention of claim 2, since the rotary body that promotes the reversal and fall of the soil layer is provided rotatably in the downcut direction,
The reversal promoting action of this rotary body allows the soil layer to be more reliably reversed and fallen, and the soil layer can be tilled in an orderly and well-combined state, and since this rotary body has a cutting function, , it is possible to reliably crush the soil while promoting the inversion of the soil layer.

[Brief explanation of the drawing]

The figures show an embodiment of the present invention, in which Fig. 1 is a side view of the tilling device, Fig. 2 is a perspective view of the same, Fig. 3 is a perspective view of the reversing mechanism of the above, and Fig. 4 is a view of the tilling blade of the above. FIGS. 5 and 6 are exploded perspective views of a connecting frame mounting portion, and FIG. 7 is a perspective view of a rotating body of another embodiment. 1...Main frame, If...Rotary cultivating body, 1
1.. Tilling shaft, 13.. Tilling blade body, 14.. Vertical cutting blade, 15.. Horizontal cutting blade, 27.. Rotating body. Two A3 stabbing frame "■jL"■su"

Claims (2)

[Claims] (1) A main body frame, and a rotary cultivating body provided on the main body frame so as to be rotatable in the up-cut direction, and the rotary cultivating body has a vertical cutting blade and a vertical cutting blade on the circumferential side in the axial direction of the tilling shaft. A tilling device characterized in that a large number of tilling blade bodies each having a horizontal cutting blade are protruded radially from the tip of the cutting blade. (2) A main body frame, and a number of cultivating blades arranged radially in series, each having a vertical cutting blade in the axial direction that is rotatable in the up-cut direction, and a horizontal cutting blade at the tip of the vertical cutting blade. A rotary plowing body made of a rotary plowing body made of Features tillage equipment.