JP2019126273A - Work machine - Google Patents

Abstract

To provide a work machine that can firmly shape a bank and has high work efficiency of forming the bank.SOLUTION: A work machine includes a shaping body having a right-side slope shaping unit mounted to the rearward of a traveling machine body and shaping a right-side slope of the bank, a left-side slope shaping unit for shaping a slope on the left hand side of the bank, and an upper surface shaping unit for shaping an upper surface of the bank. The right-side slope shaping unit and the left-side slope shaping unit have almost the same rough shape, and are arranged facing each other. The work machine has: a rotor unit having the direction where the traveling machine body is positioned as the front on the basis of the work machine, having multiple tilling claws, and having a shield cover; a cover unit for dropping the soil scattered by the rotor unit in front of the shaping body; a first soil gathering unit for gathering the soil to the left-side slope shaping unit; and a second soil gathering unit for gathering the soil to the right-side slope shaping unit.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a work machine.

  Conventionally, when a field is divided, for example, a bank is formed to prevent water leakage between the divided field and the field. In one of the bank forming methods, a working machine having a shaping body including a truncated cone shaped slope shaping part (left slope shaping part) and a cylindrical top shaped shaping part connected in the rotation axis direction thereof. After forming the top of the bank and one slope (left slope), change the orientation of the work implement to form the top and the other slope (right slope) at least the same There is a way to do the work twice. In addition, by attaching an outer side slope shaping portion (right side slope shaping portion) for shaping the right side slope of the embankment to the shaping body in one of the other formation methods of the embankment, the upper surface of the embankment, the left side There is a method of forming a slope and a slope on the right side in one operation. A working machine equipped with such a shaped body is pulled by a traveling machine such as a tractor, and forms a bank having an upper surface, a left slope and a right slope by rotating the shaping body while traveling. Can do.

For example, Patent Document 1 discloses a working machine that forms a strong bank with less unevenness by firmly compacting an outer surface portion of a banking part formed by supplying soil to a bank forming part in a kneaded state.

JP-A-6-22604

  However, in order to form a bank, when the same work is performed twice by the working machine using the embodiment of FIG. 9 of Japanese Patent Laid-Open No. 6-22604, the work takes time and the work efficiency is lowered. There was a possibility. Further, when the same work is performed twice by the work machine, the space left in the field is narrow, and the second work (shaping the right slope) may be difficult. Further, when the same work is performed twice by the work machine, the width of the bank may not be constant and may change. Furthermore, in order to form a bank, when working with a working machine in which a right-side slope shaping part is attached to a shaping body using another embodiment of JP-A-6-22604, the right-side slope shaping part is There is a possibility that the mounting work is required, the work becomes complicated, and the working efficiency is lowered. Furthermore, the shaping body which the earth filling portion for supplying the soil necessary for formation of the bank has is provided only on one side of the bank, and in particular, when the amount of soil is small, the soil is hard to be crushed and crumbled There was a possibility that the slope could not be formed or the slope could not be formed to the bottom of the bank.

  An object of the present invention is to provide a working machine capable of shaping a bank firmly and having high work efficiency for forming the bank.

  In one embodiment of the present invention, a right side slope shaping unit attached to the rear of a traveling vehicle body and shaping the right side slope of the bank, a left side slope shaping unit shaping the left side slope of the bank, and the bank It is a work machine provided with a shaping object which has an upper surface shaping part which reshapes an upper surface, and a right side slope shaping part and a left side slope shaping part substantially coincide in outline, and are arranged face to face.

  A rotor unit having a plurality of tilling claws, a rotor unit having a shield cover, and a cover unit for dropping soil scattered by the rotor unit to the front of the forming body with the direction in which the traveling machine body is positioned with respect to the work machine as the front You may have the 1st soil gathering part which gathers the soil which brings soil to a slope shaping part, and the 2nd soil gathering part which gathers the soil which gathers soil to the right slope shaping part.

  A disk shape may be sufficient as a 1st earth gathering part and a 2nd earth gathering part.

  The first and second soil-consolidating parts may each include a rotating shaft having a mounting part provided with a tilling nail.

  The first earthing portion can adjust the height from the ground by the support member supporting the first earthing portion, and the second earthling portion can be adjusted from the ground by the support member supporting the second earthling portion It may be possible to adjust the height.

  The direction in which the traveling machine body is positioned with respect to the work machine is defined as the front, provided on the front of the shaping body, the claw shaft serving as the rotation shaft, the plurality of mounting portions disposed on the claw shaft, and the plurality of mounting portions, respectively. It may have a plow rotor part which has a plurality of arranged plow nails.

  One of the claw shafts may be supported by the first support member on the left side slope shaping portion, and the other of the claw axes may be supported by the second support member on the right side slope shaping portion.

  The work machine may be disposed at a position offset laterally with respect to the direction in which the traveling position of the traveling machine body is located with respect to the work machine.

  Each of the right side slope shaping portion and the left side slope shaping portion may have a press integrated structure.

  Each of the right slope shaping unit and the left slope shaping unit may be configured by connecting a plurality of shaping plates.

  The shaping plate constituting the right slope shaping unit and the shaping plate constituting the left slope shaping unit may be arranged substantially symmetrically.

  The working machine may be a wrinkle coater.

  ADVANTAGE OF THE INVENTION According to this invention, while being able to shape an embankment firmly, the working machine with high working efficiency which forms an embankment can be provided.

It is the schematic which looked at the working machine in one Embodiment from upper direction. It is the schematic which looked at the working machine in one Embodiment from the front. (A) is the schematic which looked at the shaping body which the working machine in one Embodiment has from the back, (b) saw the shaping body which the working machine in one Embodiment has from the diagonally upper left side toward the back. FIG. It is the schematic which looked at the working machine in one Embodiment from upper direction. It is the schematic which looked at the working machine in one Embodiment from upper direction.

  Hereinafter, an embodiment of a working machine of the present invention will be described with reference to the drawings. However, the working machine of the present invention can be implemented in many different modes, and is not construed as being limited to the description of the examples shown below. Note that in the drawings referred to in this embodiment, the same portions or portions having similar functions are denoted by the same reference numerals, and the description thereof will not be repeated.

  Further, in this specification and the like, for convenience of explanation, the description will be made using the terms upper (upper) or lower (lower), but the upper (upper) indicates a direction 180 ° opposite to the direction in which gravity works, and the lower (Bottom) indicates the direction of gravity. Similarly, the description will be made using the terms front (front) or back (rear), but the front (front) indicates the direction in which the traveling vehicle is located with reference to the work machine, and the rear (rear) indicates the front 180 ° opposite direction. Similarly, the description will be made using the terms left (left) or right (right), but the left (left) indicates the left direction with respect to the direction in which the traveling machine body is positioned with respect to the work implement. The right side (right side) indicates a direction 180 ° opposite to the left side (left side) with respect to the direction in which the traveling airframe is positioned with reference to the work machine.

1. First Embodiment 1-1. Structure of Work Machine The structure of the work machine 100 according to an embodiment of the present invention will be described with reference to FIGS. 1 and 2. FIG. 1 is a schematic view of the working machine 100 in an embodiment as viewed from above. FIG. 2 is a schematic view of the working machine 100 in one embodiment as viewed from the front.

  As shown in FIGS. 1 and 2, the work machine 100 is provided with a mounting portion 110 to be attached to a three-point link mechanism 220 of a traveling machine body 200 such as a tractor, a shaping body 120 that performs bank shaping work, and soil in a farm field. , A build-up portion 140 a that performs the work of filling the soil to be supplied to the shaping body 120, and a connecting portion 150 that connects the mounting portion 110 and the shaping body 120 are provided. In addition, the shaping body 120 and the soil filling part 140a may be collectively called a working part.

  The mounting portion 110 includes a lower link connecting portion 111a, a lower link connecting portion 111b, a top link connecting portion 112, and a support member 113 to which the connecting portion 150 is connected. The mounting unit 110 also includes an input shaft 114 connected to the PTO shaft of the traveling vehicle via a transmission joint such as a universal joint. Further, the mounting portion 110 also includes a mechanism for transmitting the power transmitted to the input shaft 114 to the transmission mechanism of the connecting portion 150 in the support member 113.

  One end of the connecting portion 150 is supported by the support member 113 of the mounting portion 110 and the other end is attached to the working portion. The connecting portion 150 also includes a link member 131 and an offset frame 132. The link member 131 is a member having one end rotatably supported on the mounting portion 110 side and the other end rotatably supported by the rear frame 170, and controls the working position of the shaping body 120. The offset frame 132 includes transmission means for transmitting power to the shaping body 120, one end of the offset frame 132 is rotatably attached to the support member 113, and the other end is rotatably supported by the working unit.

  The offset frame 132 and the link member 131 are disposed in parallel, and the support frame 113 and the support member 113 form a parallel link mechanism. The parallel link mechanism allows the working unit to be offset. That is, the work machine 100 can be offset to any position from the traveling machine to form a bank. Note that the working direction of the shaping body 120 does not change in response to the swing of the connecting portion 150. That is, the offset movement of the shaping body 120 is possible while maintaining the work surface for shaping the bank.

  In the present embodiment, in order to facilitate control of the offset control cylinder 133 and the work direction control cylinder 134, a parallel link mechanism is employed. As an embodiment of the present invention, the offset control cylinder 133 and the work direction control cylinder 134 may be configured to be controlled independently. Even in the case of an embodiment in which such a parallel link mechanism is not formed, the same control as described below is possible.

  The shaping body 120 includes a substantially truncated conical left sided sloped surface shaping portion 121a rotatably supported about the rotation axis, and a substantially frustoconical right sided sloped surface shaping portion rotatably supported about the rotation axis An upper surface shaping portion 122 is attached via an attachment base (not shown) at the top of the left slope forming portion 121a and an attachment base (not shown) at the top of the right slope forming portion 121b. The shaped body 120 is configured such that rotational power is transmitted via a power transmission mechanism in the transmission support case 135. The shaped body 120 has a role of forming a bank having an upper surface, a left slope, and a right slope by painting the soil supplied by the embankment 140a described later. The specific configuration of the shaping body 120 will be described later.

  The earthing portion 140a includes a earthing rotor portion 130, a slide cover 136, a first earthing portion 142a, a second earthing portion 142b, a support member 144, a first extendable support member 146, and a second extendable support member 148. And a shield cover 149. The embankment part 140a digs up the soil in the field and / or cuts the soil in the field, crushes the digged up soil, the cut up soil, and the rolled up soil, Supply the soil. The specific configuration of the soil filling portion 140a will be described later.

  In the vicinity of the shaped body 120, a position sensor 160 is provided as work position detecting means for detecting the work position of the shaped body 120. The position sensor 160 is arranged behind the shaped body 120 from a support case (not shown) via the mounting arm 161. Further, the position sensor 160 incorporates a potentiometer for detecting rotational displacement of the rotational shaft. One end of the sensor rod 162 is fixed to the rotation shaft. The distance between the left slope shaping unit 121a and the left slope of the bank can be detected based on the position of the sensor rod 162.

  Although not shown, an angle sensor as work direction detection means for detecting the work direction of the shaped body 120 may be disposed. In this case, it is preferable that the angle sensor does not detect a change in the relative direction of the shaping body 120 with respect to the connecting portion 150 but detects a change in the working direction with respect to the field scene of the shaping body 120 alone. For example, as an angle sensor, a gyro sensor may be disposed around the transmission axis in the offset frame 132.

1-2. Configuration of Formate A specific configuration of the format will be described with reference to FIG.

  FIG. 3A is a schematic view of the shaping body 120 and the shaped bank 30 viewed from the rear. FIG.3 (b) is the schematic which looked at the shaping body 120 from diagonally upward of the left side toward back. The shaping body 120 rotates in the direction of the arrow around the rotation axis to shape the bank.

  The left side slope shaping unit 121a and the right side slope shaping unit 121b have substantially the same outline. Further, the left side slope shaping portion 121a and the right side slope shaping portion 121b are disposed to face each other substantially symmetrically in the left-right direction. Further, the left slope shaping unit 121a is configured by connecting a plurality of shaping plates 21a, and the right slope forming unit 121b is configured by connecting a plurality of shaping plates 21b. Here, the left slope shaping unit 121a is configured by connecting eight shaping plates 21a, and the right slope shaping unit 121b is also configured by connecting eight shaping plates 21b. The plurality of shaping plates 21a constituting the left slope shaping portion 121a and the plurality of shaping plates 21b constituting the right slope shaping portion 121b are also arranged substantially symmetrically. Further, the left side slope shaping portion 121 a and the right side slope shaping portion 121 b are covered with the ring-shaped member 60 respectively. Note that the left-side slope shaping unit 121a and the right-side slope shaping unit 121b do not have to be arranged substantially symmetrically as long as the approximate shapes are substantially the same. Even if the left-side slope shaping unit 121a and the right-side slope shaping unit 121b are deviated from the substantially bilaterally symmetrical arrangement, the bank 30 having a left slope and a right slope that are hard to be collapsed and is hard to collapse. Can be formed.

  When the angle formed between the inclined surface 32a of the bank 30 shaped by the work machine 100 with respect to the ground 40 and the ground 40 is θ, θ is about 60 ° to 70 °. However, the angle formed between the inclined surface 32a of the bank 30 shaped by the work machine 100 and the ground 40 is not limited to about 60 ° to 70 °, and the work machine 100 can be inclined even if the amount of soil is small. It is sufficient that the bank having a surface can be shaped. The angle formed between the inclined surface 32b of the bank 30 shaped by the work machine 100 and the ground 40 is the same as the inclined surface 32a of the bank 30 shaped by the work machine 100. Further, the inclined surface of the cone of the left slope forming portion 121a substantially matches the inclined surface 32a of the bank 30, and the inclined surface of the cone of the right slope forming portion 121b and the inclined surface 32b of the bank 30 are substantially You may do it.

  Note that in this specification and the like, being substantially symmetric means that when the shaped body 120 is projected onto a surface perpendicular to the rotation axis of the shaped body 120, the left side slope shaping unit 121a and the right side slope shaping unit 121b. And the positions and outlines of the plurality of shaping plates 21a constituting the left-side slope shaping unit 121a and the plurality of shaping plates 21b constituting the right-side slope shaping unit 121b are also roughly coincident with each other. To do. By arranging the left slope shaping unit 121a and the right slope shaping unit 121b so as to face each other in a substantially symmetrical manner, the soil is more firmly applied, more difficult to collapse, and the left slope having high symmetry. A bank with a right slope can be formed. Further, by arranging the left side slope shaping portion 121a and the right side slope shaping portion 121b in a substantially left-right symmetrical manner, the inside slope (the left side slope) and the outside slope (the right side slope) are arranged. (Slope) can also form a bank with high symmetry, with the soil pressed more firmly to the bottom of the bank.

  Further, the left side slope shaping portion 121a and the right side slope shaping portion 121b in the embodiment of the present invention are covered with the ring-shaped member 60, respectively, whereby the left side slope shaping portion 121a and the right side slope shaping portion The edge of 121b can be protected. That is, it is possible to prevent wear and damage when the left side slope shaping portion 121a and the right side slope shaping portion 121b abut on the ground.

  Further, the shaping plate 21a constituting the left side slope shaping unit 121a and the shaping plate 21b constituting the right side slope shaping portion 121b according to the embodiment of the present invention are not limited to the number shown in FIG. For example, two types of shaping plates are alternately connected in units of a combination of two types of shaping plates, for example, the shaping plate 21a that configures the left slope processing portion 121a and the shaping plate 21b that configures the right slope shaping portion 121b. May be configured.

  The left slope shaping unit 121a is designed such that the outermost edge (outermost edge) of the left slope shaping unit 121a is circular. However, this is an example and the outermost edge is not limited to a circle. For example, in the side view (when viewed as shown in FIG. 2) of the left slope forming part 121a, the lowermost end (lowermost edge, the rightmost edge in FIG. 2) of the left slope forming part 121a is relevant. It may be designed so as to be substantially perpendicular to the rotation axis (not shown) of the left side slope shaping section 121a. In this case, the outermost edge of the left slope shaping unit 121a does not have a circular shape, but can be stably placed with the lowermost end of the left slope shaping unit 121a in contact with the ground or the like. The right side slope shaping unit 121b is the same as the left side slope shaping unit 121a except that it has a substantially symmetrical shape in the left-right direction, and thus the description thereof will be omitted.

  The upper surface shaping portion 122 is provided with a plurality of plate members 24. The upper surface shaping portion 122 may be a cylindrical member not provided with the plurality of plate members 24. For example, a flexible member such as a resin can be used as the plate-like member 24. By providing the plurality of plate members 24 on the upper surface shaping portion 122, the soil on the upper surface of the bank can be more effectively pressed. That is, by providing the plurality of plate members 24 on the upper surface shaping portion 122, a strong bank can be formed.

  In the present embodiment, each of the plurality of shaping plates 21a is directly welded by welding, but is not limited to this configuration. For example, each of the plurality of shaping plates 21a may be indirectly coupled via the coupling member. In this case, each shaping plate 21a and the connecting member may be welded. Also, although welding has been described as an example of the joining means, the present invention is not limited to this, and it is also possible to connect the respective shaping plates by joining using other fixing members using bolts and nuts etc. is there. The plurality of shaping plates 21b are also similar to the plurality of shaping plates 21a. Furthermore, in this embodiment, although the left slope shaping part 121a has shown the example comprised by the some shaping board 21a, it does not restrict to this structure. For example, the left slope shaping unit 121a may have a structure (herein referred to as a press-integrated structure) that is integrally formed by pressing a single plate. The right slope shaping unit 121b may also have a press-integrated structure as with the left slope shaping unit 121a.

  The working machine in one embodiment of the present invention can gradually increase the contact of the upper surface shaping portion and the shaping plate with respect to the bank by having the shaped body having the above-described configuration. Therefore, it is possible to form a strong bank that is difficult to collapse.

1-3. Configuration of Soil Filler Referring back to FIGS. 1 and 2, a specific configuration of the soil fill will be described.

  The earthing rotor unit 130 is connected to the work direction control cylinder 134. Further, the soiling rotor unit 130 is provided with a shield cover 149. As shown in FIG. 2, for example, a rotary tiller-type mechanism in which a plurality of tilling claws are mounted on a drive shaft can be adopted as the embankment rotor unit 130.

  The earthing rotor unit 130 has a function of rotating the drive shaft in the direction shown by the arrow in FIG. 2 to dig up the soil in the field and / or shaving the soil in the field. Moreover, the rotor part 130 for embankment plays a role of crushing the soil that has been scraped or rolled up by the soil that has been dug up or shaved, and the first earthing part 142a or the second earthing part 142b described later. Have. Further, the embankment rotor unit 130 has a role of supplying the crushed soil to the front of the shaped body 120. The earthing rotor unit 130 includes the shield cover 149, so that the working direction can be changed by the working direction control cylinder 134. Further, by providing the shield cover 149, the embankment rotor unit 130 can prevent scattering of soil removed by the embedding rotor unit 130 or rolled up soil.

  The slide cover 136 is supported by the support member 144. The support member 144 is connected to the support frame 137. The slide cover 136 includes, for example, a cylindrical member that can slide outside the cylindrical member of the support member 144.

  The slide cover 136 is formed by removing soil and the like rolled up by the embankment rotor unit 130, the first earthing unit 142a, or the second earthing unit 142b, which will be described later, and the upper surface shaping unit 122, the left slope shaping unit 121a, and the like. And / or can be dropped in the vicinity of the front of the right slope shaping section 121b. The work machine 100 according to the embodiment of the present invention includes the slide cover 136 so that the work machine 100 near the front of the upper surface shaping unit 122, the left side normal surface shaping unit 121a and / or the right side normal surface shaping unit 121b of the shaping body 120 The soil can be collected efficiently. Further, the slide cover 136 slides along the support member 144, and the position of the slide cover 136 can be adjusted as indicated by the arrows in FIG. The working machine 100 according to the embodiment of the present invention can adjust the amount of soil by adjusting the position of the slide cover 136, and can improve the tightness (hardness) of the bank and the finish of the bank.

  The second earthing portion 142 b is rotatably supported by the first expandable and contractible support member 146. The first extendable support member 146 is connected to the support member 144. For example, the first extendable support member 146 extends and contracts by including a slidable cylindrical member inside the cylindrical member of the support member 144. In the present embodiment, the second earthing portion 142b has a disk shape.

  The first earthing portion 142a is supported by the second extendable support member 148. The second extendable support member 148 is connected to the shield cover 149. The second extendable support member 148 has a similar configuration to the first extendable support member 146. In the present embodiment, the first mulch portion 142a has a disk shape, similar to the second mulch portion 142b.

  The first mulch portion 142a and the second mulch portion 142b rotate in the direction of the arrow shown in FIG. 2, dig up the soil in the field, and / or cut the soil in the field, in front of the embankment rotor unit 130, The excavated soil and scraped soil can be brought forward of the shaping body 120. The work machine 100 according to the embodiment of the present invention includes the first mulch portion 142a and the second mulch portion 142b, and can secure a large amount of soil.

  In addition, according to FIG. 1, although the 1st padding part 142a and the 2nd padding part 142b are arrange | positioned ahead and the side of the shaping body 120, arrangement | positioning of the 1st padding part 142a and the 2nd padding part 142b is The arrangement is not limited to that shown in FIG. The arrangement of the first earthing part 142a and the second earthing part 142b may be arranged, for example, inside the position in FIG. 1, that is, near the upper surface shaping part 122 of the shaping body 120. The work machine 100 according to an embodiment of the present invention collects a large amount of soil in the shaping body 120 more efficiently by arranging the first earthing portion 142a and the second earthing portion 142b near the upper surface shaping portion 122. be able to.

  Further, the first mulch portion 142a and the second mulch portion 142b are separated from the ground of the first mulch portion 142a and the second mulch portion 142b by the second extendable support member 148 and the first extendable support member 146. Can be adjusted. The working machine 100 according to an embodiment of the present invention adjusts the height of the first earthing portion 142a and the second earthing portion 142b from the ground, thereby digging up the field and / or the amount of soil. The amount of soil can be adjusted when scraping off.

  In the present specification and the like, the working machine is, for example, a coating machine. The scissor coater according to an embodiment of the present invention can form a scissors and a medium scissors that have a slope with high symmetry, in which the soil is solidly applied and is not easily broken.

  As described above, the working machine according to the present embodiment includes a shaping body, a left-side slope shaping section, a right-side slope shaping section, and a top-face shaping section. A strong bank can be shaped. Moreover, the working machine of this embodiment can shape a strong bank without attaching another member to the shaping body. Furthermore, in the work machine according to the present embodiment, the soil is more firmly applied by arranging the right side slope shaping portion and the left side slope shaping portion substantially in left-right symmetry, and it is more difficult to break, and the symmetry is high. A bank with a slope can be formed. Therefore, according to the present invention, it is possible to provide a working machine with which the bank can be firmly shaped and the work efficiency for forming the bank is high.

2. Second Embodiment In the present embodiment, a working machine having a crusher different from that of the first embodiment will be described with reference to FIG. The description similar to that of the first embodiment is omitted.

  FIG. 4 is a schematic view of the working machine in one embodiment as viewed from above. The position of the traveling machine body is forward with respect to the working unit shown in FIG. The earth piled part 140b of FIG. 4 differs in the member which supports the 1st earth piled part 142a and the 2nd earth piled part 142b in the earth piled part 140a of FIG. 1 and the 1st earth piled part 142a and the 2nd earth piled part 142b. Other than that, it is the same as FIG. 1, so the explanation here is omitted.

  In FIG. 4, the embedding portion 140 b includes a embedding rotor portion 130, a slide cover 136, a first embedding portion 152 a, a second embedding portion 152 b, a support member 156, a support member 157, a rotatable support member 158, and a support member 144. And a shield cover 149. The first mulch portion 152a and the second burial portion 152b are arranged in a square shape when viewed from the front to the rear.

  The first earthing portion 152a has a first claw shaft 154a, a flange 151, a plurality of tilling claws 155, and a support member 157. The plurality of tilling claws 155 are arranged in the circumferential direction of the first claw shaft 154 a with respect to the flange 151. Further, the first claw shaft 154a is supported by the support member 157 through a bearing or the like (not shown) so as to be rotatable in the direction of the arrow about the rotation shaft (dotted line) shown in FIG.

  The support member 157 is supported by the support member 156. The support member 157 has a winding chain mechanism.

  The winding chain mechanism is configured, for example, by combining a plurality of sprockets and a roller chain mounted on the plurality of sprockets. Among the plurality of sprockets, one sprocket is connected to a bearing or the like of the first claw shaft 154a. One of the plurality of sprockets is connected to a bearing or the like provided in the support member 156.

  The support member 156 is configured to transmit rotational power to the winding chain mechanism via the power transmission mechanism.

  The 2nd earth gathering part 152b has the 2nd nail | claw axis | shaft 154b, the flange 151, the some tilling nail | claw 155, the rotatable support member 158, and the support member 159 which can be urged | biased. The plurality of tilling claws 155 are arranged with respect to the flange 151 in the circumferential direction of the second claw shaft 154b. Further, the second claw shaft 154b is supported by a rotatable support member 158 via a bearing or the like (not shown) so that the second claw shaft 154b can rotate in the direction of the arrow about the rotation shaft (dotted line) shown in FIG. Has been.

  The pivotable support member 158 is pivotally supported relative to the support member 156. Further, the pivotable support member 158 is supported by a biasable support member 159 at a portion near the second claw shaft 154 b. The biasable support member 159 comprises, for example, a spring and a rod-like member. In addition, the pivotable support member 158 has a winding chain mechanism.

  The winding chain mechanism of the pivotable support member 158 has the same configuration as the winding chain mechanism that the support member 157 has.

  The first earthing portion 152a and the second earthing portion 152b may be provided with a cover member for preventing the scattering of the soil other than the front of the shaping body 120. The cover member of the first mulch portion 152a is configured to cover, for example, the upper side, the front side, and the side (the end side opposite to the support member 156 on which the support member 157 is supported) of the first mulch portion 152a. . Similarly to the cover member of the first earthed portion 152a, the cover member of the second earthed portion 152b is, for example, the upper, front and side of the second earthed portion 152b (a support member on which the rotatable support member 158 is supported) It is configured to cover the end opposite to 156). By providing the cover member on the first mulch portion 152a and the second burial portion 152b, the soil dug up or cut by the first mulch portion 152a and the second burial portion 152b is other than the front of the shaped body 120. It is possible to collect the soil by efficiently collecting the soil in front of the shaped body 120.

  In the work machine 100 having the configuration described above, the rotational power is transmitted to the winding chain mechanism provided in the support member 157 via the power transmission mechanism of the support member 156, whereby the bearing provided in the support member 156 is provided. And the like, and the sprocket connected to the bearing and the like of the first claw shaft 154a interlockingly rotate. Similarly, a sprocket connected to a bearing or the like provided on the support member 156 by transmitting rotational power to the winding chain mechanism provided on the rotatable support member 158, and the second claw shaft 154b The sprocket connected with the bearing etc. rotates in conjunction with this. In this way, the plurality of tilling claws 155 of the first earthing portion 152a rotate in the circumferential direction of the first jaw shaft 154a, and the plurality of tilling claws 155 of the second earthing portion 152b are rotated around the second jaw axis 154b. Rotate in the direction, dig up the soil in the field, and / or shave the soil in the field, bring the soil digged up or shaved to the front of the rotor section 130 for the embankment or the front of the shaped body 120, Can be collected.

  Moreover, the 2nd crushing part 152b can adjust the up-and-down position of the 2nd nail | claw axis | shaft 154b centering on the support member 156 with the support member 158 which can be rotated, and the support member 159 which can be urged | biased. That is, the work machine of the present invention can adjust the height from the ground of the second piled portion 152b. Therefore, the working machine 100 according to the embodiment of the present invention can adjust the amount of soil when the field is dug and / or the amount of soil when the field is scraped.

  In addition, the 1st earth gathering part 152a may be supported by the support member which can be rotated, and the support member which can be urged | biased similarly to the 2nd earth gathering part 152b. By also having a support member that can be rotated and a support member that can be biased, the first mulch portion 152a can adjust the height of the first mulch portion 152a from the ground with the support member 156 as an axis. That is, the height of the first earthing portion 152a from the ground and the second earthing portion by having both the first earthing portion 152a and the second earthing portion 152b have a pivotable support member and an stimulable supporting member. The height from the ground of the portion 152b can be adjusted independently. Therefore, the amount of soil when digging up the field, and / or the field, by having both the first earthing portion 152a and the second earthing portion 152b having the pivotable support member and the biasable support member Adjust the amount of soil when scraping off, make the amount of soil supplied to the front of the right slope forming part uniform with the amount of soil supplied to the front of the left slope forming part, more symmetrical You can shape a high bank.

3. Third Embodiment In the present embodiment, a working machine having an earthing portion different from the first embodiment and the second embodiment will be described with reference to FIG. The description similar to that of the first embodiment or the second embodiment is omitted.

  FIG. 5 is a schematic view of the working machine in one embodiment as viewed from above. The position of the traveling machine body is forward with respect to the working unit shown in FIG. FIG. 5 is different from FIGS. 1 and 4 in portions other than the shaping body 120. Other than that, it is the same as that of FIG. 1 and FIG. 4, so the explanation here is omitted.

  In FIG. 5, the embankment portion 140 c includes a left support member 186, a right support member 188, and a tilling rotor portion 178. The tilling rotor portion 178 is installed between the left side support member 186 and the right side support member 188. In the present specification, the left side support member 186 may be referred to as a first support member, and the right side support member 188 may be referred to as a second support member.

  The tilling rotor portion 178 has a claw shaft 180 and a plurality of tilling claws 182. A plurality of tilling claws 182 are arranged around the axis at a predetermined mounting position of the claw shaft 180 (for example, the mounting portion 184). For example, six tilling claws 182 are disposed for one mounting portion 184. Further, in the longitudinal direction of the claw shaft 180, the mounting portion 184 is arranged at four positions on the left side with a predetermined interval with respect to the front, and at four positions on the right side with a predetermined interval. In addition, arrangement | positioning of the mounting part 184 and the cultivation nail | claw 182 and the number by which the cultivation nail | claw 182 is arrange | positioned are not restricted to the example shown in FIG. The tilling rotor unit 178 rotates with the claw shaft 180 as a rotation axis in the direction of the arrow illustrated in FIG. A lot of soil can be gathered by cutting.

  The claw shaft 180 is rotatably attached to the left support member 186 and the right support member 188 via a bearing or the like. One end of the power transmission mechanism in the transmission support case 135 is rotatably attached to the left support member 186 via a bearing or the like. One end of the rotation shaft of the shaping body 120 is rotatably attached to the other end of the power transmission mechanism in the transmission support case 135 via a bearing or the like. The other end of the rotating shaft of the shaped body 120 is rotatably attached to the right support member 188 via a bearing or the like. Further, the claw shaft 180 can be interlocked with the shaping body 120 via a winding chain mechanism. In the present embodiment, the winding chain mechanism is provided on the left side support member 186.

  In the present embodiment, as in the second embodiment, the winding chain mechanism can be configured by combining a plurality of sprockets and a roller chain mounted on the plurality of sprockets.

  The tilling rotor portion 178 may be provided with a cover member. The cover member of the tilling rotor unit 178 is configured to cover, for example, the upper side, the front side, and the side of the tilling rotor unit 178. By providing the cover member to the tilling rotor portion 178, it is possible to prevent the soil excavated and raised by the tilling rotor portion 178 and the ground soil from being scattered to other than the front of the shaping body 120.

  The shaped body 120 is supported by a so-called both-end support structure provided between the transmission support case 135 supported by the left support member 186 and the right support member 188. Moreover, although the upper surface shaping | molding part 122 which the shaping body 120 in this embodiment has was shown the example which is a cylindrical member in which the some plate-shaped member 24 is not provided, 1st Embodiment and 2nd Embodiment. A plurality of plate-like members 24 may be provided like the upper surface shaping unit 122 included in the shaped body 120 shown in FIG.

  The work machine 100 having the configuration described above transmits the rotational power to the winding chain mechanism provided on the left side support member 186 via the power transmission mechanism in the transmission support case 135, thereby the tilling rotor portion 178. And the shaping body 120 rotate in conjunction with each other. In this way, the plurality of tilling claws 182 of the tilling rotor unit 178 rotate in the circumferential direction of the pawl shaft 180, dig up the soil in the field, and / or scrape the soil in the field, In front of the shaping body 120, the excavated soil and scraped soil can be gathered.

  The present invention has been described above with reference to the drawings. However, the present invention is not limited to the above-described embodiment, and can be appropriately changed without departing from the spirit of the present invention.

  21a: shaping plate, 21b: shaping plate, 24: plate member, 30: bank, 32a: inclined surface, 32b: inclined surface, 40: ground, 60: ring member, 100: work machine, 110: mounting portion, 111a: lower link connection part, 111b: lower link connection part, 112: top link connection part, 113: support member, 114: input shaft, 120: shaping body, 121a: left side slope shaping portion, 121b: right side slope shaping Part: 122: upper surface shaping part, 130: earthing rotor part, 131: link member, 132: offset frame, 133: offset control cylinder, 134: work direction control cylinder, 135: transmission support case, 136: slide cover , 140a: heaping portion, 140c: heaping portion, 142a: first earthing portion, 142b: second earthing portion, 144: support member, 146: first 148: second extendable support member, 149: shield cover, 150: connecting part, 151: flange, 152a: first earthing part, 152b: second earthing part, 154a: first Claw shaft 154b: second claw shaft 155: tillage claw 156: support member 157: support member 158: pivotable support member 159: biasable support member 160: position sensor 161: Arm, 162: sensor rod, 170: rear frame, 180: claw shaft, 182: tilling claw, 184: mounting portion (flange), 186: left side support member, 188: right side support member, 200: traveling body, 220: 3 Point link mechanism

Claims (12)

A right slope shaping unit that is attached to the rear of the traveling aircraft and shapes the right slope of the bank, a left slope shaping part that shapes the left slope of the bank, and an upper surface shaping part that shapes the top surface of the bank A working machine provided with a shaping body,
The right side slope shaping portion and the left side slope shaping portion have substantially the same shape and are disposed to face each other. The direction in which the traveling machine is located with respect to the work machine is taken as the front,
A rotor unit having a plurality of tilling claws and a shield cover;
A cover part for dropping the soil scattered by the rotor part to the front of the shaped body;
A first soil placement section for bringing soil to the left side slope shaping section,
A second soil gathering portion for bringing soil to the right slope forming portion;
The work machine according to claim 1, comprising:   The work machine according to claim 2, wherein the first earthing portion and the second earthing portion have a disk shape.   The work machine according to claim 2, wherein each of the first mulching portion and the second mulching portion includes a rotating shaft having a mounting portion provided with a tilling claw.   The first mulch portion can be adjusted in height from the ground by a support member that supports the first mulch portion, and the second mulch portion is a support member that supports the second mulch portion. The working machine according to any one of claims 2 to 4, wherein the height from the ground can be adjusted by the step. The direction in which the traveling machine is located with respect to the work machine is taken as the front,
Tillage having a claw shaft provided in front of the shaping body and serving as a rotation axis, a plurality of mounting portions disposed on the claw shaft, and a plurality of tilling claws disposed on each of the plurality of mounting portions. The work machine according to claim 1, comprising a rotor unit. One of the claw shafts is supported by the first support member on the left slope forming unit,
The work machine according to claim 6, wherein the other of the claw shafts is supported by the second support member on the right slope forming section.   The work machine according to any one of claims 1 to 7, wherein the work machine is disposed at a position offset laterally with respect to a direction in which the traveling machine body is located with respect to the work machine. Each of the right side slope shaping portion and the left side slope shaping portion has a press integrated structure.
The work machine according to any one of claims 1 to 8. The right side slope shaping unit and the left side slope shaping unit are each configured by connecting a plurality of shaping plates,
The work machine according to any one of claims 1 to 8. The shaping plate constituting the right side slope shaping unit and the shaping plate constituting the left side slope shaping unit are arranged substantially symmetrically in the left-right direction.
The work machine according to claim 10.   The work machine according to any one of claims 1 to 11, wherein the work machine is a coating machine.

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