JP2006211942A - Rotary harrowing apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a rotary harrowing apparatus equipped with rotating harrowing wheels having harrowing supporting rods radially protrusively installed to the oblique outside on the outer periphery and arranged on the right and left sides of each crop row. <P>SOLUTION: The rotary harrowing apparatus is obtained by connecting a vertical shaker 14 to the rear of each divided tightening body 10 mounted at a furrow dimension kept therebetween from the central part in a horizontal bar 2 and installing a ruler wheel 20 in the forward direction on one side thereof. Front horizontal bars 28 shorter than the furrow dimension are protrusively installed in the upper part of the central part of the furrow from the front end in the lower part of the vertical shaker 14 parallel to the horizontal bar 2 in front of the horizontal bar 2. Parallelogram links 32 and 33 on the left and right sides are provided in the forward direction in the lower sides on the right and left thereof. Flanged bearings 60 are freely turnably and fixably provided in the lower parts thereof on the right and left, respectively. A rotating harrowing wheel 34 on the left side and a rotating harrowing wheel 35 on right side rotating in contact with ground are mountably and demountably mounted on each rolling bearing 65 protrusively installed from the undersurface of a flange 61 of each flanged bearing 60 on the right and the left sides to the lower side and arranged on the right and the left sides of the crop row P. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a rotary soil crushing device in which rotating ground crushing rings are provided on the left and right with a crop row interposed between them.

  According to Hidenobu Shoji February 20, 1971 Yokendo Co., Ltd., 12th edition published Introduction to Agricultural Machinery, pages 161-170, Chapter 4 Crushing machine There are five types of crushing, crushing, cutting, piercing, crushing, and various types of crushers based on the above-mentioned principle have been provided. For example, a disk harrow, a flower rotor, a cage rotor, and the like are well known as the cutting blade rotating type.

  In addition, if it rains after planting the field, etc., and then the weather suddenly recovers, it will prevent the field from becoming hard and seriously damaging the crop, and promote the growth of the crop. JP, 10-14317, A suggests a rotary soil crusher.

The rotary soil crusher includes a shaft rotatably supported between a pair of vertical frames and a plurality of crushers arranged symmetrically with the dimensions gradually increasing from the center of the shaft to the outside. A crushing blade group including blades is provided, and the crushing blade includes a plurality of square blades having right-angled corners arranged at equal angles around a central axis. The ground breaking principle is considered to belong to the longitudinal cutting action.
Japanese Patent Laid-Open No. 10-14317 Hidenobu Shoji: Introduction to Agricultural Machinery, February 20, 1971, published by Yokendo Co., Ltd. 12th edition, pages 161-170.

An object of the present invention is to obtain a rotary crushing device capable of crushing soil on both sides of a crop with a rotary crushing ring rotating around the oblique axis with respect to the forward direction, and a configuration in which the rotary crushing ring can be easily replaced. Obtaining is also a problem to be solved.

  In a tool bar having a horizontal bar extending to the left and right with respect to the forward direction, a vertical rocking body is provided behind a split tightening body disposed above the center portion of the ribs, sequentially spaced from the center portion of the horizontal bar to the left and right. Link. An intermediate portion is pivotally attached to the lower side surface of the vertical rocking body, and the ruler wheel is pivotally supported on the front end portion of the ruler wheel arm provided along the forward direction. Further, a height adjusting means for the ruler wheel is provided.

A front horizontal bar that is shorter than the inter-span dimension is projected from the lower front end of the vertical rocking body in front of the horizontal bar so as to be moved rightward and above the center of the inter-arm. An upper part is connected to a mounting body provided so as to be movable and fixed at both left and right ends of the front horizontal bar, and left and right parallelogram links are provided along the forward direction. Then, a flanged bearing is provided at the lower part of the parallelogram link so as to be pivotable to the left and right in the forward direction. From the lower surface of the flange of the flanged bearing, a rolling bearing having an upper and lower stamp housing rotatably fitted on the outer periphery is provided. A rotary disc with a plurality of bolts and nuts and a ground drive projection piece on the back surface is attached to the stamp housing, and a rotary crush ring with a plurality of crushed support rods projecting radially on the outer periphery of the rotary disc is attached to the crop row. It is provided on the left and right sides.

The height adjustment means of the ruler wheel pivotally attaches a cylindrical body to a rear end portion of a bracket projecting rearward from the upper part of the vertical swinging body, and a set screw is provided on the outer periphery of the cylindrical body. The lower end of the ruler wheel height adjustment lever inserted through the cylindrical body is pivoted to the rear of the pivoting part of the middle part of the ruler wheel arm, and the ruler wheel is pivoted to the front end by the vertical movement of the height adjustment lever. The supported ruler wheel arm is pivoted around the middle pivot, and the ruler wheel is moved up and down to adjust the height.

The parallelogram links on the left and right sides are arranged in the forward direction at the middle part of the front vertical link and the front end part of the lower horizontal link, which are attached to the attachment body that can be fixed to the left and right of the front horizontal bar. The upper horizontal link is connected to the contact surface with a thrust bearing interposed therebetween, and the rear vertical link has a thrust bearing on the contact surface behind the connecting portion of the upper horizontal link and the rear end of the lower horizontal link. Connect the middle part of this and the lower part of the middle part. The dimensions between the front and rear connection centers of the upper horizontal link and the lower horizontal link are made equal, and the dimensions between the vertical connection centers of the front vertical link and the rear vertical link are made equal. Further, in order to prevent the rotary crush ring from being lifted, a weight is detachably attached to the front part or the rear part of the upper horizontal link of the parallelogram link.

  The flanged bearing pivots around a pivot center bolt shaft provided in a penetrating manner along the forward direction on a rectangular plate fixed perpendicularly to the forward direction at the lower end of the left and right parallelogram rear vertical links. A flange is horizontally provided on the outer periphery of a freely attached cylindrical body, and the cylindrical body is fixed to a rectangular plate with a nut that is screwed onto an end of the turning center bolt shaft. In order to secure the flanged bearing to the rectangular plate, a set screw whose tip is in contact with the rear end surface of the cylindrical body is screwed onto the rectangular plate.

The rotary crush ring has support mounting recesses formed at equal intervals on the outer surface of the shallow dish-shaped outer peripheral inclined wall portion, and a fitting hole for the rolling bearing is provided at the center, and the rolling bearing is located outside the fitting hole. A mounting hole is provided at a position that is concentric with the mounting hole provided in the stamp housing that is rotatably fitted to the outer surface of the stamp housing, and a plurality of ground drive projections are formed on the back surface to form a shallow dish-shaped rotating disk. A rotating disk is attached to the stamp housing with a plurality of bolts and nuts via the attachment holes, and a plurality of rectangular ground crushed support blades having blade portions formed on the outer end surfaces are welded to the support attachment recess portions at the base end portions, It is formed by projecting radially outward at an angle.

Moreover, another rotary crush ring is formed as follows. That is, support mounting recesses are formed at equal intervals on the back surface of the outer peripheral edge, and a fitting hole for the roller bearing is provided at the center, and a plurality of bolts and nuts are provided on the stamp housing that is rotatably fitted to the roller bearing. A plate-shaped rotating disk attached via a screw is attached to the stamp housing with a plurality of bolts and nuts via the attachment holes, and a plurality of long curved round bar crushed supports are welded to the support attachment recess. In addition to projecting radially outward diagonally, every other lower end of the round bar support is made into a ground drive projecting piece projecting from the back surface of the flat plate-shaped rotating disk.

Further, another rotary crush ring is formed as follows. That is, a flat plate-shaped rotating disk is formed with support mounting recesses at equal intervals on the back surface of the outer peripheral edge, and an insertion hole for the rolling bearing is provided at the center, and the rolling bearing is rotated to the outside of the insertion hole. A rotating disk mounting hole is provided at a position concentric with the mounting hole provided in the stamp housing that is freely fitted. And, in this flat rotating disk, the base end of the flat crushed soil support having a blade portion formed on the outer end face of the wide front end and the base end of the ground drive projecting piece are alternately placed on the support. In addition to welding to the mounting recess, the ground drive projecting piece is directed downward, and the flat crushed soil support is projected radially outwardly.

  According to the first aspect of the present invention, a vertical rocking body is connected to the rear of the divided tightening body arranged with a space between the left and right sequentially from the center of the horizontal bar, and a ruler is provided along one side of the vertical rocking body along the forward direction. Since the wheel is provided, the lower rocking body can be moved up and down by the ruler wheel that moves forward according to the height of the ground surface. Further, since the ruler wheel height adjusting means is provided, the ruler wheel height can be adjusted.

Since the front horizontal bar shorter than the intercostal dimension protrudes from the lower front end of the vertical rocking body to the front of the horizontal bar in parallel with the horizontal bar and protrudes above the central part of the intercostal space, the front horizontal bar is It can be moved up and down integrally with the vertical rocking body. In addition, a flanged bearing is provided at the lower part of the parallelogram link on the left and right sides connected to the upper part of the mounting body that can be moved and fixed to the left and right of the front horizontal bar. Roller bearings with upper and lower stamp housings rotatably mounted on the outer periphery project from the lower surface of the flange of the flanged bearing, and a rotating disk having a grounding drive protrusion on the back surface of the stamp housing is provided with a plurality of bolts. -Attached with nuts, a plurality of crushed soil supports projecting radially outward on the outer periphery of this rotating disk, and rotating crushed rings were provided on the left and right sides across the crop row.

Since the front horizontal bar located above the central part of the furrow is shorter than the furrow dimension, the gap formed between the left and right terminals of the front horizontal bar adjacent to the right and left can be located above the crop line. Therefore, it is possible to crushed the soil with the crop row sandwiched between the rotary crushed wheels provided below the terminal portions facing the left and right of the adjacent front horizontal bar.

The flange of the flanged bearing provided in the rear lower end of the parallelogram link on the left and right sides connected along the forward direction to the mounting body provided so as to be movable and fixed to the left and right of the front horizontal bar. Since the rotary crush ring is attached with a plurality of bolts and nuts to the rolling bearing protruding downward from the lower surface, turning the flanged bearing to the left and right can adjust the inclination of the rotary crush ring to obtain a good crushing action. it can.

The parallelogram links on the left and right sides can be easily moved up and down because the front vertical link, the upper horizontal link, the lower horizontal link and the rear vertical link are connected to the contact surface via a thrust bearing. Rotating soil crushing ring provided below the rear vertical link can move up and down along the ground surface to break up the soil. The rotating earth crush ring can change the forward movement to rotation by a grounding drive projecting piece projecting on the back surface, and can crush the soil on the surface with the earth crushing support projecting on the outer periphery. Since the rotary crush ring is attached to the stamp housing with a plurality of bolts and nuts, it can be attached and replaced by a simple operation of attaching and detaching the bolts and nuts.

A second aspect of the present invention provides a height adjusting means for the ruler wheel, wherein a cylindrical body is pivotally attached to a rear end portion of a bracket projecting rearward from an upper end portion of the vertical swing body so as to be swingable back and forth. A set screw is screwed on the lower end of the ruler wheel height adjustment lever inserted through the cylindrical body, and is pivotally attached to the ruler wheel arm pivotally attached to the vertical moving body at the rear of the pivot point. is there.

That is, by moving the ruler wheel height adjustment lever up and down, the ruler wheel arm that pivotally supports the ruler wheel on the front end part, the front end descends and rises around the pivot of the middle part to adjust the height of the ruler wheel can do. Further, when the ruler wheel height adjustment lever is fixed to the cylindrical body with the outer peripheral set screw, the ruler wheel height adjustment lever is fixed to the ruler wheel arm, and the ruler wheel can be fixed to the vertical swinging body.

According to the third aspect of the present invention, the front vertical link, the upper horizontal link, the lower horizontal link, and the rear vertical link are formed as parallelogram links by interposing a thrust bearing on the contact surface, so that the parallelogram link is formed by the thrust bearing. It will work lightly. According to a fourth aspect of the present invention, a weight is detachably attached to a front end portion or a rear end portion of the upper horizontal link, and when the weight is attached to the front portion, the rotary crush ring is pressed forward and attached to the rear portion. If pressed, it can be pushed rearward to prevent the rotary earth crush ring from lifting.

  According to a fifth aspect of the present invention, a flanged bearing can be pivoted left and right around a pivot center bolt shaft penetrating along a forward direction on a rectangular plate fixed to a lower end portion of a rear vertical link of the left and right parallelogram links. Mounting and fixing with a nut that is screwed onto the end of the pivot center shaft. Therefore, when the nut is loosened and the flanged bearing is swung around the pivot center bolt axis, the inclination of the rotating crush theory attached to the rolling bearing projecting downward from the flange lower surface of the flanged bearing is adjusted, and a good crushed state Can be obtained. Moreover, the bearing with a flange can be fixed to the rectangular plate by a nut screwed onto the end of the turning center shaft, and the inclination of the rotating ground breaking ring can be fixed.

According to the sixth aspect of the present invention, since a set screw whose front end is in contact with the rear end surface of the flanged bearing is screwed to the rear surface of the rectangular plate, when the set screw is tightened to the rear end surface of the flanged bearing, the flanged bearing is It can be securely fixed to a rectangular plate.

  According to a seventh aspect of the present invention, the rotating earth crush ring has a supporting attachment recess formed at equal intervals on the outer peripheral inclined wall of the shallow dish-shaped rotating disk, and a plurality of rectangular supports with blades having outer edges as blades are attached to the supporting support. The base end portion is fixed to the concave portion, and is projected radially outward. Therefore, the blade of the rectangular support with a blade can cut the soil by grinding and finely crushed the soil.

  According to an eighth aspect of the present invention, in the rotary crush ring, a plurality of circular rod support rods having an elliptical curved end are provided on the flat plate-shaped rotary disk in which the support attachment recesses are formed at equal intervals on the back surface of the outer peripheral edge. The base end portions are welded to each other, and radially projecting obliquely outward. Therefore, the oval curved portion at the tip portion scratches the soil surface widely during rotation, and can be effectively crushed.

The ninth aspect of the present invention is the base of the plate-like support in which the rotary crush ring is formed on a flat plate-like rotary disc in which support attachment concave portions are formed at equal intervals on the back surface of the outer peripheral edge portion, and a blade is formed on the outer end surface of the wide tip portion. The ends and the ground drive projection pieces are welded to the support mounting recess, and the ground drive projection pieces are directed downward, and the flat plate support projecting diagonally outward. is there. Therefore, it is possible to increase the interval between every other flat support, and even if there are pebbles or the like sandwiched between the flat supports, they can be dropped and crushed without hindrance.

Embodiments of the present invention will be described below with reference to the drawings. In the figure, the arrow F indicates the forward direction, and the left and right are displayed in the F direction.

  FIG. 1 is a front view of a rotary soil crushing apparatus according to the present invention, and FIG. 2 is a plan view of the same. 1 and 2, 1 is a tool bar, and 2 is a horizontal bar using a square pipe of 75 mm × 75 mm. The horizontal bar 2 has an upper and lower divided clamp body 4 in which an upper clamp body 5 and a lower clamp body 6 are connected by clamp bolts 7 at right and left sides of a central portion at appropriate intervals. Reference numeral 8 denotes a bracket whose upper end surface is welded to the lower end surfaces of the left and right lower clamp bodies 6 and is provided side by side.

Reference numeral 3 denotes a mast, which has left and right lower ends welded to the left and right brackets 8, respectively, and stands in front of the horizontal bar 2, and is provided with a top link pin hole 3A in an upper parallel portion (see FIG. 3). Reference numeral 9 denotes a lower link pin, which protrudes horizontally at the front end portions of the left and right brackets 8. Reference numeral 10 denotes a split tightening body. The front bar 11 and the rear tightening body 12 sandwich the horizontal bar 2 in the front and rear, tighten with the clamp bolt 13, and install with a space between the left and right sequentially from the center of the horizontal bar 2. ing. P in FIGS. 1 and 2 is a crop line.

Referring also to FIG. 3 which is a cross-sectional view taken along the line AA, 14 is a vertically swinging body, and an upper parallel link 39, a lower parallel link 40, and a rear parallel link 40 at the rear of the rear tightening body 12 are shown in FIG. An upper parallel link 49 and a lower parallel link 50 shown in FIG. For example, an intermediate tillage nail of a cultivator can be attached to the vertical swing body 14. In FIG. 1, reference numeral 15 denotes a spacer, which is welded to the lower part of the parallel part in order to maintain the interval between the parallel parts of the upper half of the stand 3. Reference numeral 17 denotes a mast brace. The front end portion is welded to the central portion of the spacer, the rear end portion is connected to a bracket 16 erected on the rear upper surface of the rear tightening body 12 with bolts and nuts, and the stand 3 is erected. The state is retained. In the rear tightening body 12, a vertical plate 38 is welded on the center line in the front-rear direction of a frame metal 37 whose outer portion is fitted around the rear surface of the horizontal bar 2.

  4 is a cross-sectional view taken along the line B-B in FIG. 1, and FIG. 5 is a rear view taken along the line C-C in FIG. 4. Referring to these drawings as well, 19 is a ruler wheel arm, and a projection 18 (see FIG. 5) fixed at the center of the lower right side of the vertical swinging body 14 abuts the left side surface of the intermediate portion, and a bolt / nut. It is pivoted at 48. Reference numeral 20 denotes a ruler wheel that is pivotally supported by an axle 47 at the tip of the ruler wheel arm 19 along the forward direction. Reference numeral 41 denotes a top plate fixed to the upper end surface of the vertical rocking body 14. The vertical rocking body 14 is formed with a quadrangular projecting portion 42 at the lower front end portion where the lower end surface and the upper end surface of the vertical plate 38 face each other with a gap therebetween.

Next, the height adjusting means for the ruler wheel will be described. 3 and 4, a bracket 24 is projected rearward from the upper rear end of the vertically swinging body 14, and a cylindrical body 25 is attached to the rear end part so as to be swingable back and forth. The cylindrical body 25 passes through a projecting shaft 26 provided on the outer peripheral surface so as to be freely rotatable at the rear end portion of the bracket 24, and a nut 51 is screwed onto a screw portion of the projecting shaft 26 terminal portion to prevent the projecting sideways from coming off. I am doing. Reference numeral 21 denotes a ruler wheel height adjustment lever. As shown in FIG. 5, a lower end portion of a flat steel plate having a projection 22 fixed to the lower end portion is used as a ruler wheel arm 19 to maintain a distance from the ruler wheel arm 19. A bolt 23 is pivotally attached to the left side of the screw and a nut is fastened. A set screw 27 is provided through the outer periphery of the cylindrical body 25 to fix the ruler wheel height adjustment lever 21 to the cylindrical body 25. A scale plate 36 is attached to the side surface of the ruler wheel height adjustment lever 21.

  In FIG. 4, when the set screw 27 is point A, the position of the bolt 23 is point B, and the position of the bolt and nut 48 is point C, the ruler wheel height adjustment lever 21 is fixed to the cylindrical body 25 with the set screw 27. , B, C points form a triangle. Therefore, the ruler wheel arm 19 is fixed to the vertical rocking body 14, and the vertical rocking body 14 can be moved up and down integrally with the ruler wheel 20.

FIG. 6 is an explanatory view of the height adjustment of the ruler wheel in the sectional view taken along the line AA. That is, when the ruler wheel height adjustment lever 21 is raised to the arrow a, the lower end of the ruler wheel adjustment lever 21 at the point p1 is raised to the point p2, and the ruler wheel arm 19 pivots downward around the bolt / nut 48. The ruler wheel 20 is lowered from the level L1 to the level L2. When the ruler wheel height adjustment lever 21 is lowered in the direction opposite to the arrow a, the tip of the ruler wheel arm 19 is raised and the ruler wheel 20 is raised. By changing the amount of elevation and lowering of the ruler wheel height adjustment lever 21, the height of the ruler wheel 20 can be changed. When the ruler wheel 20 reaches a desired height, the ruler wheel height adjustment lever 21 is fixed to the cylindrical body 25 by the set screw 27 shown in FIG. 5, and the ruler wheel 20 is fixed to the vertical swinging body 14.

FIG. 7 is an explanatory diagram of the descending state of the vertically swinging body in the sectional view taken along the line BB, and FIG. 8 is an explanatory diagram of the ascending state. When the ruler wheel 20 is raised or lowered due to the height of the ground surface, the vertical rocking body 14 is connected to the upper parallel link 49, the lower parallel link 50, which are connected to the right side surface of the front / rear split fastening body 10, and the left side surface of the split fastening body 10. The vertical rocking body 14 is raised and lowered together with the ruler wheel 20 by the upper parallel link 39 and the lower parallel link 40 (see FIG. 6).

In FIG. 4, reference numeral 28 denotes a front horizontal bar, the base end portion of which is fixed to the lower front end portion of the vertical rocking body 14 with bolts and nuts 52, and is attached to the front end portion of the bracket 43 projecting forward with a set screw 44. The holder 29 is inserted into the holder 29 so as to be movable and fixed to the left and right. The holder 29 is provided in front of the horizontal bar 2 in parallel with the horizontal bar 2, and is moved up and down together with the vertical rocking body 14. Reference numeral 53 denotes a set screw for the front horizontal bar 28 provided in the holder 29. A cast iron attachment body 30 is attached to the left and right sides of the front horizontal bar 28 so as to be movable and fixed (see FIG. 2).

  9 is an enlarged perspective view of FIG. 1D, and FIG. 10 is an exploded perspective view of the main part in FIG. 9, the ruler wheel arm 19 described above is a flat steel plate having a length of 320 mm from the bolt / nut 48 that pivotally attaches an intermediate portion to the vertical swing body 14 to the axle 47 and a total length of 890 mm (see FIG. 4). . The ruler wheel 20 is a rubber tire having a width of 85 mm and a diameter of 250 mm. The front horizontal bar 28 is a 30 mm square pipe having a length of 280 mm. The mounting body 30 is movably fitted to the front horizontal bar 28 and fixed by a set screw 54. In the attachment body 30, the upper end portion of the front vertical link 31 is inserted into a rectangular vertical hole 30 </ b> A formed at the front end portion, and is fixed with a set screw 55. Reference numeral 45 denotes a weight which is movably fitted to the front or rear of the upper horizontal link 56 and fixed with a set screw 46 to prevent the rotary earth crush ring 35 from being lifted.

  Returning to FIG. 1, 32 and 33 are left and right parallelogram links provided along the forward direction below the left and right sides of the front horizontal bar 28, and the right parallelogram links 33 are crop rows. On the left side of P, a left parallelogram link 32 is provided on the right side of the crop row P. The left and right parallelogram links 32 and 33 are formed in a similar shape outside the front vertical link 31.

  As shown in FIGS. 9 and 10, the right parallelogram link 33 has a bolt 71 in which an intermediate portion of the upper horizontal link 56 penetrates a bolt hole 72 in an intermediate portion of the front vertical link 31, and a thrust bearing 73 on the contact surface. Through the bolt hole 74, and further through the thrust bearing 89, and the nut 75 is tightened and connected. Reference numeral 57 denotes a lower horizontal link. As shown in FIG. 10, a bolt 76 connects a thrust bearing 77, a bolt hole 78, a thrust bearing 79, and a bolt hole 80, and a nut 81 is tightened to connect to the front vertical link 31. Has been.

9, 58 is a rear vertical link. As shown in FIG. 10, a bolt hole 90 is provided in the upper portion, a bolt hole 85 is provided in the middle portion, and a bolt provided behind the bolt hole 74 of the upper horizontal link 56 described above. Bolts 87 are passed through the holes 88, and the bolts 87 pass through the thrust bearing E and pass through the bolt holes 90, and nuts 91 are fastened to the through ends and are connected to the upper lateral link 56. Further, as shown in FIG. 10, the bolt 82 communicates with the bolt hole 83 at the rear end of the lower horizontal link 57, the thrust bearing 84, and the bolt hole 85 at the middle of the rear vertical link 58, and tightens the nut 86 to the terminal. An intermediate portion of the rear vertical link 58 is connected to a rear end portion of the lower horizontal link 57.

  The right parallelogram link 33 has the same center-to-center dimension between the bolt holes 78 and 83 at the front and rear ends of the lower lateral link 57, and the center dimension between the bolt holes 74 and 88 of the upper lateral link 56, The center-to-center dimension of the bolt holes 72 and 80 of the front vertical link 31 and the center-to-center dimension of the bolt holes 90 and 85 of the rear vertical link 58 are made equal to form a parallelogram link.

9 and 10, reference numeral 59 denotes a rectangular plate. The upper left side is welded to the lower end of the rear vertical link 58 and protrudes rightward perpendicularly to the rear vertical link 58. Reference numeral 60 denotes a bearing with a flange, and a flange 61 is horizontally provided on the outer periphery of a cylindrical body 97 that is pivotably mounted around a turning center bolt shaft 62 that penetrates the lower end portion of the rectangular plate 59 along the forward direction. ing. The turning center bolt shaft 62 has a nut 93 screwed into a terminal penetrating a bolt hole 92 provided in the rectangular plate 59, and the flanged bearing 60 is fixed to the rectangular plate 59 by tightening the nut 93. Further, a screw hole 95 is provided in the vicinity of the bolt hole 92 and a set screw 94 is screwed, and the tip end portion of the set screw 94 is brought into contact with the rear end surface of the cylindrical body 97 to fix the flanged bearing 60 to the rectangular plate 59. It is like that.

In FIG. 10, reference numeral 63 denotes a bolt shaft, which is connected sequentially from below to a washer 98, a central portion of the shallow dish-shaped rotating disk 67, a rolling bearing 65, a spacing cylinder 96, and bolt holes 99 provided in the flange 61. The nut 64 is tightened. Reference numeral 100 denotes a square-headed round head bolt for attaching the shallow dish-shaped rotating disk 67 to the rolling bearing 65, and reference numeral 102 denotes a nut thereof. As the rolling bearing 65, SB2 type manufactured by Nippon Pillow Block Manufacturing Co., Ltd. (Headquarters Factory, Sakai City) in which dust-proofing and a stamp housing 66 are rotatably fitted on the outer periphery was used. The stamp housing 66 is the company's PFL2 rhombus.

  FIG. 11 is an enlarged perspective view of a part of FIG. In FIG. 11, reference numeral 108 denotes a rhombus stamp housing (upper), which has mounting holes 107 at both ends. Reference numeral 110 denotes a housing portion that is rotatably fitted to the bearing outer ring 103 of the rolling bearing 65. A boss 104 is formed with a bolt shaft through hole 105 at the center, a hexagon socket set screw 106 is provided on the outer periphery, and is fixed to a bolt shaft 63 shown in FIG. Reference numeral 109 denotes a rhombus stamp housing (lower), and a housing portion 111 is rotatably fitted to the bearing outer ring 103 together with the rhombus stamp housing (upper) 108.

  FIG. 12 is a side view of the right rotating crush ring in FIG. 9, FIG. 13 is a plan view of FIG. 12, FIG. 14 is a back view, and FIG. 15 is a back perspective view. In these figures, reference numeral 67 denotes a shallow plate-shaped rotating disk, and support mounting recesses 69 are formed at equal intervals on the outer peripheral surface of the inclined wall outer peripheral portion 113 having an outward inclination angle α of 20 degrees to 40 degrees with respect to the horizontal line HL. Forming.

In FIG. 13, reference numeral 117 denotes a circular bottom plate having a circular skirt portion 118 provided around the outer periphery. Reference numeral 115 denotes a rolling bearing insertion hole into which the lower peripheral edge of the rolling bearing 65 is fitted, and is formed at the center of the circular bottom plate 117. Reference numeral 114 denotes a mounting hole, which is provided at equal positions on the diameter line of the circular bottom plate 117 so as to be concentric with the mounting hole 107 shown in FIG. 11, and the rounded round head bolt 100 shown in FIG. It is supposed to be. Reference numeral 70 denotes a grounding drive projection, which has a round steel bar having a diameter of 5 mm and a length of 50 mm, welded at the base end to the back surface of every other support mounting recess 69, and projects obliquely outwardly downward. .

Reference numeral 68 denotes a rectangular crushed ground support with a blade, which is formed in a small sword shape with an outer end surface as a blade portion 112, welded to a support mounting recess 69 with a base end portion being vertically formed, and projecting radially outward diagonally. ing. The outward inclination angle of the radial protrusion is the same as the outward inclination angle α of the inclined wall outer peripheral portion 113 described above. In the embodiment, the diameter of the shallow dish-shaped rotating disk 67 is 14 cm, the number of support mounting recesses is 14, the diameter of the tip of the crushed branch of the right side rotating crushed wheel 35 is 27 cm, and the rectangular crushed crushed support 68 with a blade is 3 mm thick. , Made of hard steel plate with a width of 14 mm.

  16 is a perspective view of another type of rotary crush ring, and FIG. 17 is a rear perspective view of FIG. In FIGS. 16 and 17, 65 is a rolling bearing, 66 is a stamp housing, 100 is a round head bolt, and 102 is a nut, which are described in FIG. Reference numeral 119 denotes a rotating crush ring with a tip-curved round bar support having a diameter of 27 cm, and a tip oval shape on the back surface of the support mounting recess 123 formed at equal intervals on the back surface of the outer peripheral edge of the flat plate-shaped rotating disk 101 having a diameter of 14 cm. The base end portion is welded with the curved round bar crushed soil support 120 in the vertical direction, and protrudes radially outward. The angle radially projecting outward is 20 degrees to 30 degrees obliquely upward with respect to the horizontal line. The round bar crushed support rod 120 having a rounded tip is formed of a round steel having a diameter of 5 mm and a tip portion thereof is formed on a long circular curved tip portion 121 having a length of 5 cm, and the number thereof is 12 or 14. Reference numeral 122 denotes a grounding drive protrusion, which extends from the outer periphery of the flat plate-like rotating disk 101 and extends downward and obliquely downwardly by extending the lower end portion of every other rounded oval-curved round bar 120.

  18 is a side view of another type of rotary crush ring, FIG. 19 is a perspective view of the same, and FIG. 20 is a rear perspective view. In these drawings, 124 is a rotary crush ring with a flat plate support, and 12 or 14 support mounting recesses 131 are formed at equal intervals on the outer peripheral edge. 125 is a flat-type crushed soil support made of a flat steel plate having a thickness of 3 mm, and the lower end of the wide end portion 126 at the tip is gradually narrowed and connected to the inner bending arm portion 130, and the outer edge of the wide end is the blade Part 127. The flat crushed soil support 125 has a base end portion welded to every other support attachment recess 131 in the vertical direction, an outer edge inclination angle β with respect to the horizontal line HL is about 30 degrees, and an inner edge inclination angle γ is about At 70 degrees, it protrudes radially outward from the outer peripheral edge of the flat disk 128.

Reference numeral 115 denotes a rolling bearing insertion hole into which the lower peripheral edge of the rolling bearing 65 is fitted. Reference numeral 114 denotes a mounting hole which is provided outside the rolling bearing fitting hole 115 on the diameter line of the flat rotary disk 128 at a position concentric with the mounting hole 107 of the stamp housing described above. Reference numeral 129 denotes a ground drive protrusion, which is formed in a thin trapezoidal shape from a semicircular tip portion to a base end portion and is 5 cm in length with a steel plate having a thickness of 3 mm. The base end portion is welded vertically downward to the support mounting recess 131 of the portion, and protrudes about 2.5 cm outward from the outer periphery of the flat disk 128.

The left-side rotary crushed wheel 34 and the right-side rotary crushed wheel 35 in FIG. 1 have the same configuration, but the left-side rotary crushed wheel 34 is a rolling bearing 65 that protrudes downward from a flange 61 that protrudes to the left in the direction of travel of the flange bearing 60. The right rotating crush ring 35 is provided on the rolling bearing 65 projecting downward from the flange 61 projecting to the right in the advancing direction, as shown in FIG. The lower side is inclined diagonally to the right when viewed from the front.

  In the rotary soil crushing apparatus of the present invention, the left rotary crush ring 34 is disposed on the right side of the crop row P, the right rotary crush ring 35 is disposed on the left side of the crop row P, and the soil on both sides of the crop row P is ground. It can be done. Further, the left-side rotary crush ring 34 and the right-side rotary crush ring 35 correspond to the soil conditions, respectively, with a rectangular crushing support 68 with a blade shown in FIG. 12, and a round bar crushing support 120 with an oval curved tip shown in FIG. 18 is replaced with a flat crushed rotary crush ring 124 having a flat crushed ground support 125 shown in FIG. That is, since the rectangular crushed soil support 68 and the flat crushed soil support 125 have a cutting action, they are suitable for crushed relatively hard and heavy soils, and the round bar crushed support 120 having an elliptical curved tip is an oblong curved portion. It is suitable for efficiently crushing general soil.

It is a front view of the rotary type ground breaking apparatus which concerns on this invention. It is also a plan view. It is sectional drawing of the AA arrow of FIG. It is a BB arrow directional cross-sectional view of FIG. It will be a rear view of the CC arrow of FIG. It is explanatory drawing of the height adjustment of a ruler ring in an AA arrow directional cross-sectional view. It is explanatory drawing of the descent | fall state of the up-and-down rocking body in a BB arrow sectional drawing. It is explanatory drawing of a rising state similarly. It is an expansion perspective view of the FIG. 1D part. It is a disassembled perspective view of the principal part in FIG. FIG. 11 is an enlarged exploded perspective view of a part of FIG. 10. FIG. 10 is a side view of the right-side rotation type clay wheel in FIG. 9. FIG. 13 is a plan view of FIG. 12. It is a back view similarly. It is a perspective view of the back side similarly. It is an upper perspective view of another rotary crush ring. It is a back surface perspective view similarly. It is a side view of another type of rotary crush ring. It is a top perspective view similarly. It is a perspective view of the back side similarly.

Explanation of symbols

1 Tool bar 2 Horizontal bar 10 Tightening body
14 Vertical rocking body 19 Ruler wheel arm 20 Ruler wheel 21 Height adjustment lever 24 Bracket 25 Cylindrical body 27 Set screw 28 Front horizontal bar 30 Mounting body 31 Front vertical link 32 Left parallelogram link 33 Right parallelogram link
34 Left rotation crush ring 35 Right rotation crush ring 39, 49 Upper parallel link 40, 50 Lower parallel link 45 Weight 56 Upper horizontal link 57 Lower horizontal link 58 Rear vertical link 59 Rectangular plate 60 Flange bearing 61 Flange
62 Rotating Center Bolt Shaft 65 Rolling Bearing 66 Stamp Housing 67 Shallow Dish-Shaped Rotating Disc 68 Blade-Shaped Rectangular Crushing Support 69 Supporting Mounting Recess 70 Ground Drive Protrusion
73, 77, 79 Thrust bearing 84, 89 Thrust bearing 93 Nut 94 Set screw 101 Flat disk 102 Nut 112 Blade
113 Shallow dish-shaped outer peripheral inclined wall 115 Insertion hole 119 of rolling bearing Rotating crushed wheel 120 with a round bar support at the end of the tip 120 Round crushed support rod 122 with a rounded tip at the tip 122 Projecting piece 123 for ground drive Driving support mounting recess 124 Rotating Crush Ring 125 with Flat Plate Support Flat Plate Crush Support 126 Wide Tip 127 Blade 128 Flat Rotating Disk 129 Ground Drive Protrusion 131 Support Mounting Recess

Claims (9)

A tool bar having a horizontal bar extending to the left and right with respect to the advancing direction, wherein the vertical rocking body is connected to the rear of a split tightening body disposed above the central portion of the ribs with a space between the horizontal portions sequentially from left to right. A ruler ring pivotally attached to the front end of a ruler ring arm provided along the forward direction, with a middle part pivotally attached to the lower side surface of the vertical swinging body, the ruler wheel height adjustment means, A front horizontal bar that is projected in parallel with the horizontal bar from the lower front end of the swinging body in front of the horizontal bar, and is shorter than the inter-span dimension provided above the intermediate part of the intercostal space so as to be movable to the left and right, and the front horizontal bar The upper part is connected to a mounting body that can be moved and fixed to the left and right, and the parallelogram link on the left and right sides provided along the forward direction, and the lower part of the parallelogram link on the left and right sides pivots left and right with respect to the forward direction. Flange provided for fixing Rolling bearings projecting downward from the lower surface of the bearing flange, and the upper and lower stamp housings are rotatably fitted on the outer periphery, and the stamp housing is mounted with a plurality of bolts and nuts, and the ground drive projection piece is provided on the rear surface. A rotary earth breaker comprising left and right rotary earth breaking rings provided on the outer periphery of the rotating disk with a plurality of earth breaking supports projecting radially outward and sandwiching crop rows. The ruler wheel height adjusting means is pivotally attached to the rear end of a bracket projecting rearward from the upper part of the vertical rocking body so as to be swingable back and forth, and provided with a set screw on the outer periphery, and the ruler wheel The rotary soil crushing device according to claim 1, comprising a ruler wheel height adjusting lever having a lower end pivotally attached to a rear side of a pivoting portion of the intermediate portion of the arm and inserted into the cylindrical body. The parallelogram links on the left and right sides are provided with an intermediate portion and a lower end portion of a front vertical link for attaching an upper end portion to the attachment body, and an intermediate portion of an upper horizontal link and a front end portion of a lower horizontal link along the advancing direction. Each of the contact surfaces is connected via a thrust bearing, and the rear side of the upper horizontal link and the rear end of the lower horizontal link are connected to each other. It is connected to the lower part of the middle part, the dimension between the front and rear connecting hole centers of the upper horizontal link and the lower horizontal link is equal, and the dimension between the upper and lower connecting hole centers of the front vertical link and the rear vertical link is equal. The rotary earth crusher according to 1.   4. The rotary soil crushing apparatus according to claim 1, wherein the parallelogram links on the left and right sides are each provided with a weight detachably attached to a front portion or a rear portion of the upper horizontal link. The bearing with the flange pivots left and right around a pivot center bolt shaft provided in a penetrating manner along the forward direction on a rectangular plate fixed perpendicularly to the forward direction at the lower end of the rear vertical link of the right and left parallelogram links. 2. The rotary type according to claim 1, wherein a flange is horizontally projected outwardly on an outer periphery of a cylindrical body fixed to the rectangular plate with a nut that is movably mounted and screwed to a terminal of the turning center bolt shaft. Crushing equipment. 2. The rotary soil crushing apparatus according to claim 1, wherein the rectangular plate is screwed with a set screw whose tip is in contact with the rear end surface of the cylindrical body of the flanged bearing. The left and right rotating crushed rings form support mounting recesses at equal intervals on the outer surface of the shallow dish-shaped outer peripheral slant wall, and the center portion is provided with a fitting hole for the rolling bearing, outside the fitting hole. A shallow dish-shaped rotating disk in which a mounting hole is provided concentrically with a mounting hole provided in a stamp housing that is rotatably fitted to the rolling bearing, and a plurality of ground driving protrusions are provided on the back surface of the rotating plate. Attached to the stamp housing with a plurality of bolts and nuts through the mounting holes, and welded a plurality of rectangular ground break supports with blades with outer end surfaces formed on the blades. The rotary soil-crushing device according to claim 1, wherein the rotary soil-crushing device is radially provided. The left and right rotating crushed wheels are formed with support mounting recesses at equal intervals on the back surface of the outer peripheral edge portion, and the center portion is provided with a fitting hole for the rolling bearing, and the stamp is rotatably fitted to the rolling bearing. A plurality of oval-curved round bar crushed soil supports are welded to the outer periphery of the flat-plate rotating disk attached to the housing through a plurality of bolts and nuts, and the base ends are welded to the support mounting recesses and obliquely outward. It is a rotating disk with a tip oval round bar support that protrudes radially, and every other lower end of the round bar crushed support is a grounding drive protruding piece that protrudes from the back surface of the flat plate rotating disk. The rotary ground crushing device according to claim 1. The left and right rotating crushed wheels are formed with support mounting recesses at equal intervals on the back surface of the outer peripheral edge portion, and the center portion is provided with a fitting hole for the rolling bearing, and the stamp is rotatably fitted to the rolling bearing. The base end of a flat crushed support with a blade on the outer end face of the wide tip and the base end of the ground drive projection piece Are welded to the back surface of the support mounting recess, and the ground drive projecting piece is faced downward, and the flat crushed soil support projecting radially outwardly obliquely. The rotary ground breaking device according to claim 1, which is a ground breaking ring.

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