JP2014033636A - Apparatus for forming broad ridges - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve the following problem: when a tilled soil surface tilled by a tilling tine rotor attached to a rear side part of a tractor is formed by wing hillers, ridging devices, or the like such that the tilled soil surface has broad ridges wider than the tilled soil width, the work for hilling the soil and forming broad ridges by using the wing hillers attached to a rear part of the tractor must be performed independently of the tilling work that uses the tilling tine rotor, thus requiring many work processes and making the whole work inefficient.SOLUTION: A ridging work apparatus 6 is configured by: providing, on an undersurface of a rear cover 3 at a side rear of a tilling tine 1 rotor 2, a one-side wing hiller 4 that hills inwardly lateral end parts of the tilled soil tilled by the tilling tine rotor 2; and hilling plates 5 and groove tail wheels 25 that are attached behind the one-side wing hiller 4 and guide the soil in a groove of the hilled soil to the left and right sides. Broad ridges wider than the width of tilling tine rotor 2 are formed by operating the ridging work apparatus reciprocatingly.

Description

  The present invention relates to a wide ridge forming apparatus for stably forming a soil surface cultivated by a cultivating claw rotor of a tractor into a wide ridge form by mounting a simple cultivator.

  A technique (for example, refer to Patent Document 1) in which a part of the dredging soil in a farm scene is moved to the slope and is spread by a spreader, or a plurality of vertical units are provided at the rear of the tractor tillage rotor. There is a technique for creating a plurality of strips (for example, see Patent Document 2).

JP 2008-237060 A Japanese Patent Laid-Open No. 2002-262601

  When the cultivated soil surface to be cultivated by the cultivating claw rotor attached to the rear side of the tractor is formed into a suitable width cultivar cultivar, cultivated cultivator, etc. It becomes a form that is set in a region narrower than the tilling width by the rotor, and when forming this leaning width wider than the tilling width, after the tilling work process in which the flat tilling work by the tilling process of the double row process is performed, A soil cultivator is attached to the rear part of the tractor, and the soil erection work is performed at a wide interval as an independent process from the tilling work process, which requires many work processes and is inefficient.

  According to the first aspect of the present invention, on the lower surface of the rear cover 3 at the rear side of one side of the tilling claw 1 rotor 2, there is a piece cultivator 4 for cultivating the lateral end of the cultivated soil cultivated by the tilling claw rotor 2 inward. An upright device 6 is constructed by providing a cultivating plate 5 that is attached to the rear side of the piece cultivator 4 and guides the soil in the cultivated ditch part to the left and right sides. A groove tail wheel 25 for grounding support is provided on the groove floor between the rear ends of the plate 5, and the upright forming of the wider area than the width of the tilling claw rotor 2 is performed by reciprocating operation of the upright device 25. It is set as the structure of the wide ridge forming apparatus.

  A single cultivator 4 and a cultivating plate 5 are arranged on or attached to the lower surface of the rear cover 3 on the left side of either the left or right side of the tilling claw rotor 2 mounted on the rear portion of the tractor vehicle body, and each of these tilling rotors 2 is mounted. Or, the weight or working pressing force of the soil cultivator 4 and the cultivating plate 5 is pressed and supported on the cultivating groove floor surface portion through the groove tail wheel 25 between the rear end portions of the left and right cultivating plates 5 while plowing. Carry out soiling work. At this time, the soil surface on the side (left side) where the uprighting device 6 on one side of the soil surface of the cultivation width by the tilling claw rotor 2 performed in the forward path is subjected to the cultivating action by this uprighting device 6, and the single cultivated soil The action is performed. That is, the left side edge of the tilled soil surface is cultivated by the single cultivator 4, the soil in the cultivated trench is cultivated toward the middle of the right cultivating width, and the rear cover 3 reduces the upper surface while leveling the upper surface. Form a single-sided ridge.

  Next, in the reverse stroke, the soil surface of the uncultivated area adjacent to the opposite side (right side) of the left side of the cultivated soil surface width side of the cultivated soil surface on the left side is folded back and tilled in the reverse stroke. By standing, plowing and single soil cultivation are performed in the same way as in the forward travel, and since this single soil cultivation is performed in a position opposite to the soil cultivation position in the forward travel, The cultivated soil surface of the stroke and the reverse stroke is formed in a wide form as a cultivated soil surface continuous in the same cultivated soil surface, and the left and right of the cultivated soil surface of this wide width (twice the width of the cultivating claw rotor) A soil culturing action is performed by each piece cultivator 4, the soil culturing plate 5, the groove tail wheel 25, and the like along both ends. Therefore, the piece cultivator 4, the cultivating plate 5, and the groove tail wheel 25 are simply attached to or positioned at one end of the rear cover 3 of the rotor 2, and are simply reciprocated on the cultivated soil surface. Thus, a wide vertical molding can be performed. In addition, the culture groove slope, the groove floor surface, and the like are pressed into a stable form by the pressing force of the culture plates 5 on both the left and right sides and the groove tail wheel 25 between the rear ends.

In the invention according to claim 2, the groove tail wheel 25 has a wide ring shape that is grounded and supported widely over the groove floor surface width region between the rear end portions of the left and right cultivating plates 5 on the rear side portion of the upright device 6. .
The tilling claw rotor 2 to which the piece cultivator 4 and the rear cover 3 and the like are attached forms a flat surface while suppressing the cultivated soil surface cultivated by the rotation driving of the cultivation claw rotor 2, and the soil cultivator Cultivate by 4. Accordingly, the soil surface that is attached to the lower surface of the rear cover 3 and cultivates the cultivated soil surface is also leveled while being suppressed by the rear cover 3, so that the slope of the cultivated groove groove of the soil cultivated by the single cultivator 4 can be obtained. It is formed so as to reduce the collapse by the culturing action of the cultivating plate 5 and the soil surface of the cultivating groove formed by this piece cultivator 4 is cultivated to the left and right by the cultivating plate 5 on the rear side, Such as the tillage claw rotor 2, the rear cover 3, the piece cultivator 4, and the cultivating plate 5, and the like, and the working pressing force, etc. are applied over the entire width of the cultivating groove floor formed by the wide groove tail wheel 25. The groove width is pressed so that the entire surface of the groove is widened and compacted, and the meandering in the left and right directions is regulated by the groove tail wheel 25 and the soil plate 5 on both the left and right sides to smoothly perform the soil cultivation action. And finish the finishing groove A, it can be satisfactorily carried out, to form a more stable soil groove.

  The invention according to claim 3 is a rear side portion of the rear cover 3 of the tilling rotor 2, and is grounded and supported on the tilling soil surface on the side opposite to the groove tail wheel 25 and the raising device 6. A tail wheel 50 is provided.

  The tilling claw rotor 2 to which the piece cultivator 4 and the rear cover 3 and the like are mounted is formed evenly while suppressing the cultivated soil surface cultivated by the rotation driving of the tilling claw rotor 2, and the soil is cultivated in one piece. Although the soil is cultivated by the cultivator 4, the cultivating claw rotor 2 and the wide cultivated soil surface portion that is cultivated by the single cultivator 4 are supported by the groove tail wheel 25 at the lower position of the cultivating groove at the left and right ends, It is supported by the tail wheel 50 at a high position on the top surface of the cultivating ridge at the side end portion and at a substantially central portion of the ridge width by a reciprocating tillage work process. As described above, the rear side portion of the tilling rotor 2 device is supported by the groove tail wheel 25 and the tail wheel 50 having different left and right and high and low positions. Is supported on a hard cultivation groove floor surface at a low position, and the tail ring 50 is lightly supported on a soft tillage top surface so that the tillage soil surface by the tillage claw rotor 2 and the rear cover 3 is horizontally horizontal. Form.

According to a fourth aspect of the present invention, the tail ring 50 has a saddle-width ring shape that is narrower than the width of the groove tail wheel 25 and supports the ground.
As described above, the groove tail wheel 25 that travels and supports both left and right ends of the wide saddle forming apparatus and the tail wheel 50 are set so that the rotational grounding width is different, and the grounding width of the groove tail wheel 25 is widened. In addition, it supports the weight of the single earthenware 4 installation side, which is heavy and has a high work resistance, in a stable state, finishes the entire width of the earthen ditch floor and makes it a smooth surface, and is located at the approximate center of this vertical soil surface. The ground contact width of the tail wheel 50 that supports the ground contact is narrowed, and the upper surface of the tiller that is softer than necessary is excessively crushed so as not to be disturbed or broken. It is.

  According to a fifth aspect of the present invention, the wide saddle forming apparatus is provided with the groove tail wheel 25 and the groove tail wheel handle 51 and the tail wheel handle 52 which are capable of moving the tail wheel 50 up and down on the left and right sides. .

  As described above, in the wide claw forming apparatus using the tilling claw rotary 2 having the piece cultivator 4 and the rear cover 3, the cultivation depth by the cultivation claw rotor 2, the cultivation depth by the piece cultivator 4, or the vertical height. The setting position of the right and left groove tail wheels 25 and the tail wheel 50 and the height position between the two tail wheels 25 and 50 change depending on the groove tail wheel 25, and the groove tail wheel 25 is moved up and down by operating the groove tail wheel handle 51. The tail wheel 50 is moved up and down by operating the tail wheel handle 52.

  According to the first aspect of the present invention, the tilling piece cultivating operation by the tilling claw rotor 2 is performed by the reciprocating tilling process so that the tilling width is wider than the width of the rotor 2 and the both sides of the tilling width are along. Thus, it is possible to stably form an upright soil surface in a wide area by forming a soil grooving portion by the slag cultivator 4, the soil culturing plate 5, and the groove tail wheel 25 between the left and right cultivating plates 5. At this time, on the rear side portion of the piece cultivator 4, the left and right cultivating plates 5 and the groove tail wheel 25 between the rear end portions are arranged to form a culture groove portion. 25 is grounded and supported so as to press strongly against the soil groove floor formed between the soil plates 5, so that the left and right soil plates 5 can be slid in pressure contact with the groove surface, A groove floor or a groove slope can be formed.

  Moreover, in order to dispose the piece cultivating plate 4 below the rear cover 3 at the rear of the tilling claw rotor 2, the cultivating plate 5, the groove tail wheel 25 and the like disposed on the rear side are brought close to the front side cultivator 4. The front and rear length of the grounding work process section extending from the tilling claw rotor 2 to the groove tail wheel 25 can be shortened and the operation can be performed easily and easily.

  Further, the piece cultivator 4, the cultivating plate 5, the groove tail wheel 25 and the like arranged on the lower surface of the one end portion of the rear cover 3 of the tillage claw rotor 2 are set at fixed positions in both forward and backward directions. Because it is in a state, it is possible to have a simple and stable configuration and make it easy to carry out soiling work without requiring special soiling operation operations such as attaching and detaching a piece cultivator or switching the mounting position. And workability can be improved.

  In the invention according to claim 2, the groove tail wheel 25 has a wide ring shape that is grounded and supported widely over the groove floor surface width region between the rear end portions of the left and right cultivating plates 5 on the rear side portion of the upright device 6. Therefore, the tilling claw rotor 2 to which the piece cultivator 4 and the rear cover 3 and the like are mounted is formed evenly while suppressing the cultivation soil surface cultivated by the rotation driving of the tilling claw rotor 2. When soil is cultivated by the piece cultivator 4, the groove tail wheel 25 can be strongly pressed against the bottom surface of the cultivated trench, and the slope of the cultivated trench portion of the soil cultivated by the piece cultivator 4 is indicated on the soil plate 5. It is possible to enhance the sliding contact soil action of the soil, and to reduce the collapse. Further, the soil surface of the soil groove formed by the piece cultivator 4 is left and right by the rear culture plate 5 Molded, such a tilling claw rotor 2 and rear cover 3 The entire groove width is widely pressed and compacted over the entire width of the soil groove width formed by the wide groove tail wheel 25, such as gravity and work pressing force of the piece cultivator 4 and the soil plate 5, etc. By restricting the meandering in the left and right direction of the ring 25 and the left and right side cultivating plates 5 etc., the cultivating action can be performed smoothly, and the finishing of the cultivating groove groove can be performed cleanly and satisfactorily and more stably. The cultivated soil groove portion can be formed.

  The invention according to claim 3 is a rear side portion of the rear cover 3 of the tilling rotor 2, and is grounded and supported on the tilling soil surface on the side opposite to the groove tail wheel 25 and the raising device 6. Since the tail ring 50 is provided, the tilling claw rotor 2 to which the piece cultivator 4 and the rear cover 3 and the like are mounted is leveled while suppressing the cultivation soil surface to be cultivated by the rotation driving of the tilling claw rotor 2. The soil is cultivated by the piece cultivator 4, and is supported by the groove tail wheel 25 and the tail wheel 50 on both the left and right sides, and can be supported and maintained in a stable working posture. Can be made easier and work performance can be improved. Further, on the wide tillage soil surface portion formed by tillage by the tillage claw rotor 2 and the piece cultivator 4, the lower position of the cultivation groove portion at the left and right one side ends is strongly supported by the groove tail wheel 25, The upper position on the upper surface of the cultivating ridge, which is located at the approximate center of the ridge width by the reciprocating tillage operation process, is lightly supported by the tail wheel 50, and the position of the implement, the operation form, the soil form, and the softness It can be supported according to the state or the like.

  Thus, the rear side portion of the tilling rotor 2 device is supported by the groove tail wheel 25 and the tail wheel 50 which are different from each other in the left and right positions, and the ground tail supporting position of the groove tail wheel 25 which has a large soil resistance resistance. It is supported by a hard cultivation groove floor surface at a low position and stabilized, and the tail wheel 50 is lightly supported by a soft tillage upper surface so as not to break the dredged soil surface. The tillage claw rotor 2 and the rear cover The cultivated soil surface by 3 etc. can be easily formed in the left-right horizontal form.

  In the invention according to claim 4, since the tail ring 50 has a narrow ring shape in which the width of the tail ring 50 is narrower than that of the groove tail ring 25 and is supported on the ground, the left and right sides of the wide saddle forming apparatus as described above are used. The groove tail wheel 25 that travels and supports both ends and the tail wheel 50 are set so that the rotational grounding width is different, and the grounding width of the groove tail wheel 25 is widened to increase the work resistance. 4 Support the weight of the installation side in a stable state, finish the entire width of the soil groove floor and make the smooth surface smooth, and narrow the ground contact width of the tail ring 50 located at the approximate center of this vertical soil surface and supporting the ground Thus, the top surface of the tiller that is softer than necessary is not crushed or broken, so that a clean cocoon molding finish can be achieved.

  According to the fifth aspect of the present invention, by providing the groove tail wheel 25 and the groove tail wheel handle 51 and the tail wheel wheel handle 52, which can be adjusted up and down, the groove tail wheel 25 arranged on the left and right side parts, the single cultivator 4 In the wide heddle forming apparatus using the tilling claw rotary 2 having a rear cover 3 and the rear cover 3, the right and left groove tail wheels 25 depend on the tilling depth by the tilling claw rotor 2, the tilling depth by the piece cultivator 4, the tilling height, and the like. According to the setting position of the tail wheel 50 and the height position between the two tail wheels 25, 50, the groove tail wheel 25 is moved up and down by operating the groove tail wheel handle 51. The wheel handle 52 can be operated to adjust up and down, and the adjustment operation can be performed individually to cope with the wide upright work mode.

The side view of a wide punch forming apparatus part. The plan view. The perspective view of the dredge apparatus part. The top view (A) and side view (B). The front view which shows the cultivation work process. Side views (A), (B), and (C) of the example of the cultivating plate part showing another example. Rear view (A), (B), (C) showing the arrangement of the left and right tail wheel. The rear view (A), (B), (C), (D), (E), (F) which shows the arrangement form of the tail wheel part of another example.

  Based on the drawings, a tilling claw rotor 2 having a tilling claw 1 disposed around a tilling shaft 7 is connected to a lower link 9, a top link 10, and a lift arm 11 at the rear part of a four-wheel traveling tractor 8. It is mounted via a lift link mechanism including a lift link 12 and the like, and can be driven and rotated in conjunction with the PTO shaft 14 at the rear of the vehicle body 13 for tilling. The tillage claw rotor 2 is provided with a transmission case 16 between upper end portions of a tillage shaft case 15 that supports both left and right ends of the tillage shaft 7, and a lower bracket 17 and a top bracket formed on the front side of the transmission case 16. 18 is connected to the rear end portion of the lift link mechanism by engaging with a connecting hitch link 19. By lifting the top pin 21 of the top bracket 18 with the hook 20 at the upper end portion of the hitch link 19, the lower bracket 17 can be brought close to the hitch link 19 to be engaged and connected. Further, the rotation of the rotor 2 can be reversely driven and tilled in an upcut form.

  A rotor cover 22 that covers the rotation upper peripheral portion of the tillage claw rotor 2 is provided, and a rear cover 3 that can be turned up and down around the cover pin 23 is provided at the rear end portion of the rotor cover 22. It is configured to flatten the surface of the cultivated soil. A rear frame 24 protrudes rearward from the center of the transmission case 16, and a tail wheel frame 26 having a tail wheel 25 is attached to the rear end of the rear frame 24. Further, a damper mechanism 28 having a spring 27 and the like is provided between the rear frame 24 and the lower rear cover 3 so that the rear end portion of the rear cover 3 is ejected downward. A telescopic rod 30 is provided between the top bracket 18 and the rear frame 24 to adjust the expansion and contraction by a handle 29, and the vertical position of the rear frame 24 with respect to the transmission case 16 is adjusted and changed. The heel height can be adjusted.

In the tractor 8, a rear wheel 33 at both ends of the rear wheel shaft 32 is mounted by a rear axle housing 31 at the rear end of the vehicle body 13, and a safety frame 35 is mounted on the upper portion of the fender 34.
Here, this wide ridge forming apparatus is a piece of soil that cultivates the lateral end portion of the cultivated soil cultivated by the cultivating claw rotor 2 on the lower surface of the rear cover 3 at one side rear of the rotor 2 having the cultivating claw 1. A vertical plate 6 is provided, and a vertical plate 6 is provided on the rear side of the single volume level plate 4 and guides the vertical direction of the soil in the vertical grooves A and B. A groove tail wheel 25 is provided on the groove floor surface between the rear end portions of the left and right cultivating plates 5 on the rear side portion, and the vertical formation of a wider area than the width of the tilling claw rotor 2 is performed by the reciprocating operation of the vertical device 25. It is set as the structure which performs.

  A piece cultivator 4 and a soil culturing plate 5 are arranged or attached to the lower surface of the rear cover 3 at the rear of either the left or right side of the tilling claw rotor 2 mounted on the rear part of the tractor vehicle body, and each of these tilling rotors 2 is mounted. Further, the weight of the soil cultivator 4 and the soil cultivating plate 5 or the working pressing force is pressed and supported on the floor portion of the soil grooving groove A through the groove tail wheel 25 between the rear end portions of the left and right cultivating plates 5 and is cultivated. While cultivating soil. At this time, the soil surface on the side (left side) where the uprighting device 6 on one side of the soil surface with the tillage width L by the tilling claw rotor 2 performed in the forward stroke F is subjected to the soil cultivation action by the uprighting device 6. One-sided soil action is performed. That is, the left side edge of the tilled soil surface is cultivated by the single cultivator 4, the soil in the cultivated trench A is cultivated toward the middle of the right cultivating width, and the rear cover 3 reduces the upper surface while leveling the upper surface. Form one side fold of F.

  Next, in the reverse stroke R, the left-side cultivated cultivated soil surface width L area of the uncultivated area adjacent to the opposite side (right side) of the cultivated soil groove A side is turned back and cultivated in the reverse stroke R. As a result, tilling and single soil cultivation are performed in the same manner as in the forward travel F, and this single soil cultivation is performed in a similar manner to a position on the opposite side to the soil cultivation position in the forward travel F. The cultivated soil surface D of the process F and the reverse process R is formed into a wide C in the form of a cultivated soil surface D that is continuous in the same cultivated soil surface, and this wide C (double width of the cultivated claw rotor width) Along with the left and right side ends of the cultivated soil surface D, a soil cultivating action is carried out by each piece cultivator 4, cultivating plate 5, groove tail wheel 25 and the like. Therefore, the piece cultivator 4, the cultivating plate 5, and the groove tail wheel 25 are reciprocally cultivated on the cultivated soil surface D while being attached to or positioned at one end of the rear cover 3 of the rotor 2. As a result, it is possible to perform upright molding with a wide width C. In addition, the culture groove slope G, the groove floor E surface, and the like can be pressed and molded in a stable form by the pressing force of the culture plates 5 on both the left and right sides, the groove tail wheel 25, and the like.

Further, the groove tail wheel 25 is in the form of a wide ring that is grounded and supported widely over the groove floor surface width E region between the rear end portions of the left and right soil culturing plates 5 on the rear side portion of the upright device 6.
The tilling claw rotor 2 to which the piece cultivator 4 and the rear cover 3 and the like are attached forms a flat soil while suppressing the tilled soil surface D that is cultivated by the rotation driving of the tilling claw rotor 2, and the soil is separated into pieces. The soil is cultivated with the cultivator 4. Accordingly, the soil surface that is attached to the lower surface of the rear cover 3 and cultivates the cultivated soil surface D is also leveled while being crushed by the rear cover 3, and the slope of the soil grooving portion of the soil cultivated by the single cultivator 4 is obtained. G is formed so as to reduce collapse by the soiling action of the soil cultivating plate 5, and the soil surfaces of the soil grooving grooves A and B formed by this piece cultivator 4 are moved left and right by the rear soil culturing plate 5. The soil is formed, and the tilling claw rotor 2, the rear cover 3, the piece cultivator 4, the soil culturing plate 5, etc. are formed by the wide groove tail wheel 25 in which the gravity, working pressure, etc. are formed. The entire groove width is pressed and compacted over a wide range, and the meandering in the left and right direction is regulated by the groove tail wheel 25 and the soil culturing plates 5 on both the left and right sides so that the soil culturing action can be performed smoothly. , The finish of the cultivating groove A and B is clean and good Can be performed to form a more stable soil grooves A, B.

Further, on the rear side portion of the rear cover 3 of the tilling rotor 2 and on the side opposite to the groove tail wheel 25 and the tilling device 6, a tail ring 50 for grounding and supporting the tilling soil surface is provided.
The tilling claw rotor 2 to which the piece cultivator 4 and the rear cover 3 and the like are attached forms a flat soil while suppressing the tilled soil surface D that is cultivated by the rotation driving of the tilling claw rotor 2, and the soil is separated into pieces. Although the soil is cultivated by the cultivator 4, the cultivating claw rotor 2 and the wide cultivated soil surface portion D formed by cultivating by the single cultivator 4 have a groove tail wheel at a low position E of the cultivating grooves A and B at the left and right ends. 25, and is supported by the tail wheel 50 at a high position D located on the upper surface of the cultivated culm at the other end and at a substantially central portion of the ridge width C by the reciprocating tillage work process. As described above, the rear side portion of the tilling rotor 2 device is supported by the groove tail wheel 25 and the tail wheel 50 having different left and right and high and low positions. Is supported on the hard soil groove E floor surface at a low position, and the tail ring 50 is lightly supported on the soft tillage upper surface D, and the tillage soil surface D by the tillage claw rotor 2 and the rear cover 3 is horizontally horizontal. Formed into a shape.

In addition, the tail ring 50 has a narrow ring shape that is narrower than the width of the groove tail wheel 25 and supports the ground.
As described above, the groove tail wheel 25 that travels and supports both left and right ends of the wide saddle forming apparatus and the tail wheel 50 are set so that the rotational grounding width is different, and the grounding width of the groove tail wheel 25 is widened. In addition, it supports the weight of the single earthenware 4 installation side, which is heavy and has high work resistance, in a stable state, finishes the entire surface of the soil groove floor E to a smooth surface, and is located at the approximate center of this isolated soil surface. In this way, the ground contact width of the tail wheel 50 that supports the ground contact is narrowed so that the upper surface of the tiller that is softer than necessary is not crushed or broken, and a clean cocoon forming finish is performed.

  Further, the wide saddle forming apparatus is provided with a groove tail wheel handle 51 and a tail wheel handle 52 that can adjust the raising and lowering of the groove tail wheel 25 and the tail wheel 50 arranged on both the left and right sides, and each of them is operated separately.

  As described above, in the wide claw forming apparatus using the tilling claw rotary 2 having the piece cultivator 4 and the rear cover 3, the cultivation depth by the cultivation claw rotor 2, the cultivation depth by the piece cultivator 4, or the vertical height. The setting position of the right and left groove tail wheels 25 and the tail wheel 50 and the height position between the two tail wheels 25 and 50 change depending on the groove tail wheel 25, and the groove tail wheel 25 is moved up and down by operating the groove tail wheel handle 51. The tail wheel 50 is moved up and down by operating the tail wheel handle 52.

  A tail wheel frame 26 is provided at the rear end of the rear frame 24 on the top of the tillage claw rotor 2, and the groove tail wheel 25 and the tail wheel 50 are connected to sockets 60 formed at both right and left ends of the tail wheel frame 26. The tail wheel rod 61 pivotally supported in the part can be inserted and set so as to be able to move up and down, and the groove tail wheel 25 and the tail wheel 50 can be adjusted up and down separately. A groove tail wheel handle 51 and a tail wheel handle 52 are provided at the upper end of each socket 60, and the tail wheel rod 61 of the groove tail wheel 25 is adjusted up and down by the groove tail wheel handle 51. The 50 tail wheel rods 61 can be adjusted up and down.

  A piece cultivator 4 in the tiller rotor 1 is attached to a rear lower surface of a rear cover 3 that covers a rotating rear part of the tiller claw 1 rotor 2 and is provided so as to be able to swing up and down. 4 is formed by cultivating one piece of soil.

  The rear cover 3 on which the piece cultivator 4 is mounted is mounted on the rear side of the rotor cover that covers the top of the tilling claw rotor 2 so as to be rotatable up and down, while suppressing the cultivation soil surface that is cultivated by the tilling claw rotor 2. The soil is formed uniformly, and the soil is cultivated by the piece cultivator 4. Therefore, the soil surface which is attached to the lower surface of the rear cover 3 and cultivates the cultivated soil surface is also leveled while being suppressed by the rear cover 3, so that the slope of the soil grooves A and B of the soil cultivated soil is less disrupted. Further, the soil surface of the soil groove groove formed by the piece soil cultivator 4 is left and right by the rear soil culture plate 5, and more stable soil groove portions A and B are formed. .

Further, the soil culturing plate 5 is attached to the rear portion of the piece cultivator 4 located at the lower side of the rear cover 3 at the rear position of the rear cover 3.
As described above, since the piece cultivator 4 is provided on the lower surface side of one end of the rear cover 3, the upper surface of the soil surface D formed by the piece cultivator 4 is suppressed by the rear cover 3 and stabilized. It forms an upright surface that is difficult to collapse. In this way, the soil grooving grooves A and B formed by the piece cultivator 4 are such that the soil on the side that is not cultivated by the piece cultivator 4 and the residual soil such as the collapsed soil are not subjected to the pressure reducing action by the rear cover 3. Although there is soil in the state, since the cultivating action by the cultivating board 5 can be performed, the cultivating action can be smoothly performed, and the finishing of the cultivating groove grooves A and B can be performed cleanly and satisfactorily. .

Further, the cultivating plate 5 is provided so as to be rotatable left and right with respect to the piece cultivator 4 so that the culturing angle θ can be adjusted.
In the soil grooving groove portions A and B formed by the piece soil cultivator 4 located on the lower side of the rear cover 3, soil culturing action is performed by the pair of left and right soil culturing devices 5 to form stable and clean soil grooving grooves A and B. The rear culture plate 5 on the rear side of the piece cultivator 4 is adjusted to an appropriate degree of opening θ to the left and right outside by a turnbuckle 48 or the like so as to fit a predetermined groove width formation, By pressing the groove slope surface G, the left and right slope surfaces G of the stable soil groove portions A and B can be formed by sliding and pressing. In such adjustment of the degree of opening of the soil slab 5, the rear cover 3 is not provided on the upper side and the pressure reducing action does not work, so that the soil slab 5 can be easily rotated, and the finish soil with the soil slab 5 with respect to the slope G is finished. Since the action is performed with a delay from the leveling action by the rear cover 3, it is possible to accurately and smoothly carry out the earthing with respect to the slope G by the earthing plate 5 and finish the slope smoothly.

  The rear cover 3 forms a leveling portion 36 that is leveled horizontally across the tillage width C along the rear lower edge. A piece cultivator 4 can be attached to and detached from the lower surface side of the left and right lateral ends of the rear cover 3. The piece cultivator 4 is mounted only on either the left end side or the right end side of the rear cover 3, but in the case of FIG. 2, it can be selectively mounted on either the left or right side. ing. In this form, since the soil culturing device 4 is in the direction opposite to each other, the soil culturing device 4 needs to be specially prepared for each soiling operation.

  As a form in which the corner portion 37 inside the side cover 39 at the left and right side ends of the rear lower end portion of the rear cover 3 is cut away, a corner cover 38 that is attached and detached so as to close the corner portion 37 is provided. The piece cultivator 4 is integrally attached to the lower surface of the corner cover 38, and the corner cover 38 is attached to the corner portion 37 so that the piece cultivator 4 is mounted. Further, the corner portion 37 on the side where the piece cultivator 4 is not mounted (the rear cover 3 in FIG. 2 shows the corner portion 37 on the right end side) is a simple corner cover 38 which does not have the piece cultivator 4 and is attached to the right end. The corner part 37 of the part is in a uniform state.

  As shown in FIGS. 3 and 4, the piece cultivator 4 includes an outer plate 40 formed in the front-rear direction along the side cover 39 of the rotor cover 22, and a front end portion of the outer plate 40 toward a rear inner side. The rear culture plate 41 formed in an inclined form, the rear end plate 42 connecting the rear portions of the outer plate 40 and the inner subculture plate 41, the outer plate 40, the subculture plate 41, and the rear end plate 42. And a bottom plate 47 and the like, and the corner cover 38 is detachably attached to the mounting plate 43 by bolting or the like. At the front end portion of the culture molding plate 41, a culture cutting edge 44 that protrudes to the front outer side than the joining edge with the front edge of the outer plate 40 is formed so as to facilitate cutting promotion on the cultivated soil surface. ing.

  The outer edge of the rear end plate 42 is formed such that the upper end protrudes outward from the outer plate 40 and the lower end is formed at the position of the lower end of the outer plate 40. A front end portion of the left earth plate 5 is rotatably connected around an inclined hinge 45 along the rear edge of the outer edge. Further, the front end portion of the right culture plate 5 is rotatably connected around the inclined hinge 46 along the inner edge of the rear end plate 42 connected to the rear end of the culture plate 41. A telescopic tensioning tool in the form of a turnbuckle 48 is provided in the inner part between the left and right cultivating plates 5, and the rear spreading angle of the cultivating plate 5 with respect to the rear end plate 42 can be changed and adjusted to be wide and narrow. it can.

  As described above, the culture molding plate 41 formed on the inner side of the piece cultivator 4 is configured to have a soiling angle so that the inner surface is inclined toward the tillage width side and cultivated, and the culture plate 5 is The soil has a soiling angle so as to cultivate to the left and right outside. And the piece cultivator 4 is configured in such a manner that the cultivated soil is cultivated only toward the inside of the cultivating part side, and the cultivating board 5 is directed toward the left and right outer parts at the rear side position of the piece cultivator 4. It is configured in a form that cultivates both sides symmetrically.

  Next, mainly based on FIG. 6, a leveling plate 53 is provided at the bottom of the left and right soil culturing plate 5 at the rear end portion of the piece cultivating device 4, and the leveling plate 53 is formed by the piece culturing device 4. The grooving groove floor surface is slid or pressed and fixed, and the grooving floor surface is fixed to the smooth surface, so that the culturing can be performed smoothly and accurately. The leveling plate 53 is formed so as to have a full width between the left and right cultivating plates 5, and the front end portion is set to the rear lower end portion of the rear end plate 42 of the piece cultivator 4 around the horizontal horizontal hinge pin 54. It is provided so as to be pivotable up and down (A), and is configured to be pressed or repelled to substantially the same position as the lower end edge of the soil culturing plate 5 by a spring or the like. The leveling plate 53 is expanded and contracted by rotating a handle 57 at the upper end portion of the telescopic rod 56 provided between the bracket 55 portion on the rear end plate 42 and the hinge pin 54. It can be turned up and down to make it possible to adjust the leveling pressure on the groove floor (B). In addition, a spring 59 is provided between the leveling plate 53 and the bracket 55 so as to be fitted and guided by the sliding guide rod 58, and the leveling plate 53 is elastically moved to the same level position as the lower end edge of the culture plate 5. (C).

  Further, mainly based on FIG. 7, both the left and right groove tail wheels 25 and the tail wheel 50 are formed in the shape of a saddle width ring in which the ground ring width is relatively narrow (A), The groove tail wheel 25 arranged on the rear side of the side is formed into a wide ring shape, and the tail wheel 50 on the other end side is formed into a wide ring shape (B), or both the right and left groove tail wheel 25 and the tail wheel 50 are wide wheels. Form (C).

  Next, mainly based on FIG. 8, the ground contact width is formed to be approximately as wide as the groove floor width (see FIGS. 7, B, and C). The left and right wheel side surfaces 62, 63 of the groove tail wheel 25 formed in a wide ring shape project in a conical shape outward or bulge, and the projecting ring side surfaces 62, 63 can The groove slope formed by the soil cultivator 4 or the soil plate 5 is pressed or pressed to reduce the collapse of the groove slope and to form and maintain a stable soil groove portion. The outer ring side surface 62 of the groove tail wheel 25 in FIG. 8 is formed to project in a conical surface form (A) (C), and the inner ring side surface 63 of the groove tail wheel 25 is formed to project in a conical surface form ( B) (C) and both the inner and outer ring side surfaces 62 and 63 can be formed to protrude (C). In addition, a protrusion 64 is formed at the center of the conical ring side surfaces 62 and 63 to form a funnel shape (D) (E) (F). The soil cultivation work is performed facing D. It is formed so that the shoulder portion between the groove slope G of the cultivating groove A and the cultivated soil surface D at the top can be suppressed. Alternatively, the conical ring side surface 62 may be formed on the outer side and the funnel-shaped ring side surfaces 63 and 64 may be formed on the inner side surface.

DESCRIPTION OF SYMBOLS 1 Claw claw 2 Cultivation claw rotor 3 Rear cover 4 Single cultivator 5 Cultivation plate 6 Standing device 7 Cultivation shaft 8 Tractor 25 Groove tail wheel 50 Gill tail wheel 51 Groove tail wheel handle 52 Gill tail wheel handle

Claims (5)

  On the lower surface of the rear cover (3) at the rear side of one side of the tilling claw (1) rotor (2), a single cultivator (4) for cultivating the lateral end of the cultivated soil cultivated by the rotor (2) inward, An upright device (6) is provided by providing a cultivating plate (5) that is attached to the rear side of the piece cultivator (4) and guides the soil in the cultivated ditch part to the left and right sides. A groove tail wheel (25) for grounding support is provided on the groove floor between the rear end portions of the left and right side soil slabs (5) on the rear side, and the tilling claw rotor (2) by the reciprocating operation traveling of this upright device (6) A wide-width eaves forming apparatus characterized in that the eave-forming is performed in a wider range than the width.   The groove tail wheel (25) is in the form of a wide ring having a wide grounding support across the groove floor surface width region between the left and right soil ridge plates (5) on the rear side of the upright device (6). Item 2. The wide punch forming apparatus according to Item 1.   A rear side portion of the rear cover (3) of the tilling rotor (2), which is opposite to the standing device (6) and the groove tail wheel (25) side, is grounded and supported on the tilling soil surface. The wide saddle forming apparatus according to claim 1 or 2, further comprising a tail ring (50).   4. The wide saddle forming apparatus according to claim 1, wherein the tail ring (50) is in the form of a saddle wide ring that is narrower than a groove tail wheel (25) and supports the ground. 5. .   A groove tail wheel handle (51) and a tail wheel handle (52) capable of raising and lowering the groove tail wheel (25) and the tail wheel (50) arranged on the left and right sides are provided. 1, 2, 3, or 4

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