JP6559392B2 - 畦 coating machine - Google Patents

Description

  The present invention relates to a tack coater, and more particularly, to a tack coater that includes a pre-processing section that cuts and fills an old paddle and a trimming section that applies the piled soil onto the cut old paddle.

  Such a drapery machine is mounted on a traveling machine body such as a tractor, and performs a dreading operation at a position offset laterally with respect to the traveling position of the traveling machine body. A pre-processing unit and a trimming unit for applying the piled soil onto the old crushed shears are provided.

  The pre-processing unit has, for example, tilling claws provided in a plurality of rows at a predetermined distance in the axial direction of the tilling shaft on the outer peripheral surface of the tilling shaft that is rotatably supported along the aircraft traveling direction. By the rotation of the tillage claws, the soil of the old paddy is cultivated and spun up, and the spun up soil is supplied to the rectifying section side.

  The tilling claw of the pretreatment part has a vertical blade part and a horizontal blade part continuously extending from the tilling shaft, the vertical blade part and the horizontal blade part are curved in the direction opposite to the rotation direction of the cultivation claw, and the horizontal blade part is It is comprised so that it may curve to the one side part side of a vertical blade part. Even if this tilling claw can be crushed satisfactorily by the vertical blade portion, the cultivated soil cannot be satisfactorily brought to the adjusting portion side only by the laterally curved side blade portion.

  Therefore, as described in Patent Document 1, the applicant of the present invention is provided at the tip of the nail body portion corresponding to the vertical blade portion of the tilling nail provided in the last row among the tilling claws provided in the plurality of rows. A plate-shaped scooping board having a high soiling function is provided, and a proposal is made to soil the ground crushed by this scooping board to the trimming unit side. Since this scooping board is formed in a plate shape so that the scooped up soil is brought close to the trimming unit side, the soiling and earthing performance is very good.

  However, the scooping board is easily affected by contact with foreign substances such as stones present in the cultivated soil, and large vibrations are likely to occur. In addition, in order to prevent damage to the power transmission mechanism that transmits power to the pretreatment section when an overload is applied to the scooping plate, the scooping plate is overloaded. When acted, the shear bolt breaks and damage to the power transmission mechanism can be prevented, but the wrinkling operation is interrupted.

  Therefore, instead of the tilling claw provided with a scooping plate, a proposal has been made to use a claw where the tip of the horizontal blade portion of the tilling claw bends in a substantially perpendicular direction to the front side in the traveling direction of the tilling claw. By using this nail, it is difficult to receive an impact on the foreign matter, and it is difficult for large vibrations to occur, and the situation where the shear bolt breaks can be suppressed.

JP 2010-187487 A

  The vertical blade portion extending continuously from the attachment base portion of the nail extends along the surface of the rear plate portion arranged on the rear side of the cover body covering the nail. For this reason, when soil adheres to the inner surface of the rear plate portion, as the nail is rotated, the nail and the holder to which the nail is attached come into contact with the soil that adheres to the cover body. There is a risk of wear.

  The present invention has been made to solve such a problem, and there is no possibility that the tilling nail and the holder for holding it will be worn by contact with the soil adhering to the inner surface of the cover body covering the pretreatment portion. The purpose is to provide a lacquering machine.

  In order to achieve the above-mentioned object, the padding machine of the present invention is mounted on a traveling machine body, disposed at a position offset laterally with respect to the traveling position of the traveling machine body, and pre-processing for crushing an old hammer In the dredging machine, which is equipped with a trimming unit for painting the section and the piled up soil on the cut old dredge, and proceeds with the traveling of the traveling machine body to perform the painting process, the pre-processing part is in the traveling machine body traveling direction. The tilling shaft that extends in the front-rear direction and is rotatably supported has a tilling claw that is provided in a plurality of rows with a predetermined interval in the axial direction and rotates with the tilling shaft, and the tilling claw is continuous from the mounting base. The blade has a vertical blade and a horizontal blade that extend from the vertical blade to the horizontal blade. The horizontal blade is bent in one direction with respect to the vertical blade. Plowing provided in the last row among the tilling claws provided in multiple rows The horizontal blade portion of the nail is bent toward the front side in the axial direction of the tilling shaft, and the tilling nail in the last row covers one side in the rotation nail rotation direction of the mounting portion to which the mounting base of the tilling nail is attached, A soil removing member extending from the mounting base portion to the vertical blade portion side is provided.

  Moreover, the soil removal member of the present invention is characterized by having a width equal to or greater than the thickness of the mounting portion.

  In addition, the soil removing member of the present invention covers the front side of the mounting portion in the rotation claw rotation direction, and extends from the mounting base along the edge of the vertical blade portion.

  In addition, the soil removing member of the present invention is characterized in that it covers the rear side of the mounting portion in the rotation direction of the tilling claw and extends from the mounting base along the peak edge of the vertical blade portion.

  In addition, the rear surface of the vertical blade portion and the horizontal blade portion of the last row tilling nail of the present invention is covered with the wear-resistant metal layer along the extending direction of the vertical blade portion and the horizontal blade portion. It is characterized by being.

  Moreover, the pre-processing part of this invention has a cover body which surrounds the circumference | surroundings of a tilling nail, and a soil removal member is a cover with which the surface of the rearward direction of a tilling nail covers the rearward direction of the last nail of a tilling nail It is arranged to face the rear plate part of the body.

  Moreover, the cover body of this invention is formed in the taper shape in which the part which covers the upper part and the side in the rotation locus | trajectory of a tilling nail becomes small so that it may become the front.

  In addition, the soil removing member of the present invention is detachably provided on the attachment portion.

  Further, the turning radius of the tip portion of the last row of the tilling claws according to the present invention is characterized by having a turning radius larger than the turning radius of the tilling claws of the rows other than the last row.

  Further, the tilling shaft of the pretreatment unit of the present invention is characterized in that the front side is inclined to the old side with respect to the rear side in a plan view.

  According to the paddy coater according to the present invention, having the above characteristics, there is no possibility that the tilling nail and the holder holding the tilling nail will come into contact with the soil adhering to the inner surface of the cover body covering the pretreatment portion. A coating machine can be provided.

1 is a plan view of a wrinkle coater according to an embodiment of the present invention. A left side view of the glazing machine is shown. The front view of a glazing machine is shown. The pre-processing part in which the soil removal member was provided is shown, The figure (a) is a side view of a pre-processing part, The figure (b) is a front view of a pre-processing part. The soil removing member is shown. FIG. 10A is a plan view of the soil removing member, FIG. 10B is a front view of the soil removing member, and FIG. 10C is a left side view of the soil removing member. FIG. 4D is a right side view of the soil removing member. A part of pre-processing part provided with the soil removal member concerning other embodiments is shown, the figure (a) is a partial side view of a pre-processing part, and the figure (b) is a partial front view of a pre-processing part. FIG. The earth removal member concerning other embodiment is shown, The figure (a) is a top view of the earth removal member, The figure (b) is a front view of the earth removal member, The figure (c) is earth removal. It is a side view of a member. The front view of the pre-processing part in which the soil removal member concerning other embodiment was provided is shown. The earth removal member concerning other embodiment is shown, The figure (a) is a front view of the earth removal member, The figure (b) is a bottom view of the earth removal member, The figure (c) is the earth removal. It is a left view of a member, The figure (d) is a right view of a soil removal member.

  DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A best mode for carrying out the present invention will be described below with reference to FIGS. In addition, there are various types of glazing machines, but among them, an example is a glazing machine that progresses with the traveling of the traveling machine body and can continuously perform the glazing operation to the corner of the field. This will be described below.

  As shown in FIG. 1 (plan view), the carburizing machine 1 is connected to a three-point link connecting mechanism (not shown) provided at the rear portion of the traveling machine body 90, and as the traveling machine body 90 travels forward. It is the one to perform the haze painting work. The wrinkle coater 1 is attached to the mounting unit 10 by the mounting unit 10 provided with the input shaft 3 that is mounted on the traveling machine body 90 and to which power from the traveling machine body 90 is input, and the offset cylinder 4 provided in the mounting unit 10. An offset mechanism 20 that is movable in the width direction (hereinafter referred to as “left-right direction”) of the lid coater 1 and a pivot that extends in the vertical direction on the moving end side (rear end side) of the offset mechanism part 20. O is provided at a position offset laterally with respect to the traveling position of the traveling machine body 90 by the power transmitted from the input shaft 3 by being disposed so as to be pivotable in the horizontal direction with the pivot fulcrum O as the pivot center. And a working unit 50 that performs work.

  The mounting portion 10 includes a hitch frame 11 extending in the left-right direction and a connection frame (not shown) that is attached to the front side of the hitch frame 11 and can be connected to the three-point link connection mechanism of the traveling machine body 90.

  The offset mechanism unit 20 is rotatably connected to the hitch frame 11 on the front end side and extends rearward. The offset mechanism unit 20 is arranged along the right side of the offset frame 21 and the front end side is the right end portion of the hitch frame 11. And a link member 25 that is pivotably connected to each other. The rear end portion of the link member 25 is rotatably connected to a connecting member 23 provided rotatably at the rear end portion of the offset frame 21. The offset mechanism unit 20 constitutes a parallel link mechanism by the offset frame 21, the link member 25, the hitch frame 11, and the connecting member 23.

  The offset frame 21 can be moved in the left-right direction by an expansion / contraction operation of the offset cylinder 4 pivoted between the rear end portion and the left end portion of the hitch frame 11. A power transmission mechanism is provided in the offset frame 21. This power transmission mechanism is a chain transmission mechanism, and includes a driven shaft 29 provided on the rear end side of the offset frame 21 so as to be rotatable coaxially with the rotation fulcrum O of the working unit 50. The power transmitted to the input shaft 3 can be transmitted to the driven shaft 29.

  A main shaft 7 that is arranged coaxially with the driven shaft 29 and extends downward is connected to the lower portion of the driven shaft 29. The main shaft 7 rotates with the rotation of the driven shaft 29 and can transmit power to the working unit 50. A spindle case 30 (see FIG. 2) that covers the spindle 7 is disposed outside the spindle 7, and an upper end portion of the spindle case 30 is rotatably connected to a lower rear end of the offset frame 21. The working portion 50 is fixed to the lower end portion of the head.

  The working unit 50 can be further rotated with respect to the rotation fulcrum O by the expansion and contraction of the expansion / contraction cylinder 41 connected between the support frame 32 connected to the connecting member 23 and the spindle case 30, when FIG. 2 is further added. It is. Further, when the expansion and contraction of the telescopic cylinder 41 is restricted, the working unit 50 is held so that the working direction of the working unit 50 is parallel to the traveling direction A of the traveling machine body 90 even if the offset mechanism unit 20 moves in the left-right direction. The

  The support frame 32 has one end connected to the spindle case 30 and the other end extending above the preprocessing power transmission case 31 for transmitting power to the preprocessing unit 61 of the working unit 50 along the case. The distal end portion of 32 is connected to a cover body 70 that covers the preprocessing portion 61.

  As will be described in detail later, the working unit 50 includes a heaven processing unit 51 that cuts the upper part of the old fence formed along the periphery of the field, a pre-processing unit 61 that piles up the cut soil, and the accumulated soil. And a trimming unit 80 that is applied to the old iron that has been cut.

  First, the trimming unit 80 will be described. The trimming unit 80 includes a polyhedral drum 82 attached to a rotary shaft 81 that extends in the left-right direction and is rotatably supported, and a cylindrical portion 83 that is attached to the right end of the polyhedral drum 82 and extends in the lateral direction. Have. The trimming unit 80 is connected to and supported by the spindle case 30 via a trimming power transmission case 87. A straightening power transmission mechanism (not shown) is built in the straightening power transmission case 87, and this straightening power transmission mechanism is connected to the main shaft 7 so that the power from the main shaft 7 can be transmitted to the straightening section 80. Has been.

  The pretreatment unit 61 is supported by the spindle case 30 via the pretreatment power transmission case 31. A pre-processing power transmission mechanism (not shown) is built in the pre-processing power transmission case 31, and this pre-processing power transmission mechanism is connected to the main shaft 7 so that power from the main shaft 7 can be transmitted to the pre-processing unit 61. It is configured. Details of the preprocessing unit 61 will be described later.

  As shown in FIGS. 1 and 3, the heaven field processing unit 51 is supported by the preprocessing unit 61 via the heaven field power transmission case 54. A plurality of tilling claws 53 are radially attached to the rotation shaft 52 of the heaven field processing unit 51, and the rotation shaft 52 of the heaven field processing unit 51 is arranged to be inclined toward the old ridge K side in a plan view. A power transmission mechanism (not shown) is provided in the heaven power transmission case 54, and this power transmission mechanism is connected to the tilling shaft 62 (see FIG. 4A) of the preprocessing unit 61 to provide power from the preprocessing unit 61. Can be transmitted to the heaven processing unit 51.

  The celestial power transmission case 54 is disposed on the rear side in the traveling direction of the celestial processing unit 51 and extends in a direction orthogonal to the rotation axis 52 of the celestial processing unit 51. One end portion of the longitudinal power transmission case 54 in the longitudinal direction is attached to the tip end portion of the tilling shaft 62 of the pretreatment unit 61 so as to be rotatable up and down. For this reason, the heavenly power transmission case 54 is rotatable in the vertical direction with one end thereof as the rotation center. The heaven processing unit 51 can be adjusted in the vertical position via the vertical position adjustment mechanism 55 provided between the support frame 32 and the heaven field processing unit 51.

  Next, the preprocessing unit 61 will be described. As shown in FIGS. 3, 4 (a), and 4 (b), the pre-processing unit 61 is attached to the above-described tilling shaft 62 and the outer periphery of the tilling shaft 62 so as to rotate together with the tilling shaft 62. The tilling claws 63, 64, 65 are provided. When the tip of the tilling claws 63, 64, 65 is in a position facing the old rod K (see FIG. 4 (b)), the tip of the pretreatment unit 61 moves from the top of the old rod K to the lower side. It rotates in the direction of the moving arrow X, that is, in the down cut direction (see FIG. 4B).

  The tilling claws 63, 64, 65 are arranged in three rows with a predetermined distance from the front side to the rear side in the axial direction of the tilling shaft 62, and each row has a phase difference of 180 degrees in the circumferential direction of the tilling shaft 62. There are two attached. The tilling claws 63, 64, 65 are detachably attached to a holder 66 provided on the tilling shaft 62 via fastening means such as a bolt 67.

  The holder 66 is fixed to a side surface 68a of an attachment plate 68 attached in a state extending in a direction substantially orthogonal to the tilling shaft 62. The holder 66 has an insertion hole portion into which the attachment base portions 63 a, 64 a, 65 a of the tilling claws 63, 64, 65 can be inserted, and an attachment hole portion through which the shaft portion of the bolt 67 passes. The mounting plate 68 is formed in a polygonal shape in a side view, and is formed symmetrically about the tilling shaft 62.

  As shown in FIG. 4 (b), the tilling claws 63, 64, 65 are provided with vertical blade portions 63b, 64b, 65b and horizontal blade portions 63c extending continuously from the mounting base portions 63a, 64a, 65a attached to the holder 66, respectively. 64c, 65c, and curved from the vertical blades 63b, 64b, 65b to the horizontal blades 63c, 64c, 65c in the direction opposite to the rotation direction, and the horizontal blades 63c, 64c, 65c are the vertical blades 63b, 64b. , 65b is bent to one side to form rake faces 63d, 64d, 65d on the inner side. The vertical blade portions 63b, 64b, 65b extend in a direction substantially orthogonal to the tilling shaft 62 (see FIG. 4A). A blade edge portion having a substantially constant width is formed on each of the vertical blade portions 63b, 64b, 65b and the horizontal blade portions 63c, 64c, 65c of the tilling claws 63, 64, 65. Single-edged.

  Among the tilling claws 63, 64, 65 arranged in three rows from the front side to the rear side of the tilling shaft 62, the tips of the horizontal blade portions 63c, 64c of the first row and the second row cultivation claws 63, 64 The side is bent to the rear side in the axial direction of the tilling shaft 62, and the distal end side of the horizontal blade portion 65 c of the third row of tilling claws 65 is bent to the front side in the axial direction of the tilling shaft 62. Further, the rotation radius R3 (see FIG. 4B) of the third row of tilling claws 65 is configured to be larger than the rotation radius R2 of the second row of tilling claws 64, and The rotation radius R2 is configured to be larger than the rotation radius R1 of the first row of tilling claws 63. That is, the rotation radius R3 of the third row of tilling claws 65 has the largest rotation radius compared to the rotation radius of the first row of tilling claws 63 and the second row of tilling claws 64.

  As shown in FIG. 1, the tilling shaft 62 of the pretreatment unit 61 moves to the working position Pa where the side of the traveling machine body 90 can be painted, as shown in FIG. 1. It will be in the state inclined to the old bag K side with respect to the side.

  As shown in FIG. 4 (b), the pre-processing unit 61 configured as described above is configured such that when the pre-processing unit 61 moves forward while the tilling shaft 62 rotates in the arrow X direction, The vertical blade portions 63b, 64b, 65b of the second row of tilling claws 64 and the third row of tilling claws 65 enter the soil to cut the soil, and the horizontal blade portions 63c, 64c, 65c enter the soil. Then cut the soil and plow it. This cultivated soil is held by the rake faces 63d, 64d and 64d of the horizontal blade portions 63c, 64c and 65c of the first row of claws 63, the second row of claws 64 and the third row of claws 65. After being removed from the soil, it is guided along the inner surface of a cover body 70 provided in a pre-processing unit 61 described later, and is discharged to the old paddle side to be supplied to the trimming unit 80 (see FIG. 1). The

  The first row of tilling claws 63 and the second row of tilling claws 64 have rotation radii R1 and R2 that are smaller than the rotation radius R3 of the third row of tilling claws 65 arranged in the last row in the axial direction of the tilling shaft 62. Therefore, the tilling resistance at the time of the padding work is reliably dispersed, the vibration of the tilling can be made relatively small, and the stable padding work can be performed.

  Moreover, these tilling claws 63, 64, 65 have vertical blade portions 63b, 64b, 65b and horizontal blade portions 63c, 64c, 65c extending continuously from the mounting base portions 63a, 64a, 65a, and the vertical blade portions 63b. , 64b, 65b to the horizontal blade portions 63c, 49c, 650c, and the horizontal blade portions 63c, 64c, 65c are bent to one side with respect to the vertical blade portions 63b, 64b, 65b. Because it is configured in a shape, it makes it easier to escape foreign objects such as stones and is less susceptible to impact. For this reason, even if a foreign substance such as a stone comes into contact with these tilling claws 63, 64, 65, these tilling claws 63, 64, 65 are not easily subjected to an impact, so that the occurrence of large vibrations can be prevented.

  In addition, these tilling claws 63, 64, 65 have the tilling shaft 62 inclined to the old tack K side in a plan view, so that they cut obliquely with respect to the old tack K and move the soil in that direction. Therefore, the direction of the soil flow can be directed to the trimming unit side. For this reason, foreign substances such as stones can easily escape and there is little risk of overload, and the flow of the soil supplied to the trimming unit 80 is smooth, and stable scouring work can be performed.

  As shown in FIGS. 4 (a) and 4 (b), the third row of the tilling claws 65 covers the front side of the rotation claw rotation direction of the holder 66 to which the attachment base 65a is attached. A soil removing member 75 extending from the base portion 65a along the vertical blade portion 65b is provided. The soil removing member 75 removes the soil adhering to the inner surface of the rear plate portion 71 of the cover body 70 (described later) disposed facing the vertical blade portion 65b of the third row of tilling claws 65.

  The soil removal member 75 is formed by bending a sheet metal or the like, covers the front side of the rotation direction of the cultivation claw of the holder 66 and has a width larger than the thickness of the holder 66 (length in the cultivation axis direction). 65 extends from the attachment base 65a along the edge of the vertical blade 65b. As shown in FIG. 4B, FIG. 5A, FIG. 5B, FIG. 5C, and FIG. 5D, the soil removing member 75 includes a side plate portion 76 and an end of the side plate portion 76. And a front plate portion 77 that bends and extends from the portion.

  The side plate portion 76 is formed in a flat plate shape, and a side plate base portion 76a that covers the front surface of the holder 66 and a side plate tip that extends so as to be bent from one end portion of the side plate base portion 76a and covers the abdomen of the vertical blade portion 65b of the tilling claw 65. Part 76b. The side plate base portion 76a is formed in a substantially rectangular shape when viewed from the front. The width of the side plate base portion 76a is larger than the width of the holder 66. The side plate base portion 76a further extends from one side end portion in the width direction of the holder 66 to the other end portion. 68 extends beyond the front end in the rotational direction. A hole 76a1 through which a bolt is passed is provided at one edge of the side plate base 76a.

  The side plate tip 76b covers the attachment base portion 65a side of the vertical blade portion 65 and extends to a position closer to the base end side than half when the claw length of the tilling claw 65 is the full claw length. The length of the side plate tip portion 76b is set to about half of the total length of the nail without extending to the tip of the tilling claw 65, so that the amount of soil supplied to the tilling claw 65 is reduced as the tacking machine 1 moves forward. This is to prevent this.

  The front plate portion 77 is connected to one end portion in the width direction of the side plate base portion 76a and extends in a direction substantially orthogonal to the side plate base portion 76a and one end portion in the width direction of the side plate tip portion 76b. A front plate tip 77b extending in a direction substantially orthogonal to 76b. The front plate base portion 77a and the front plate tip portion 77b are formed in a substantially rectangular shape in a side view (see FIG. 5D). The width of the front plate base 77 a is larger than the width of the holder 66. The front plate base portion 77a extends from the front surface in the traveling direction of the holder 66 to the rear surface, and further extends beyond the attachment plate 68 to a position near the inner surface of the rear plate portion 71 of the cover body 70 (FIG. 4 ( a)). An end surface 77a2 of the front plate base portion 77a on the rear plate portion 71 side of the cover body 70 extends linearly and is disposed to face the rear plate portion 71 with a predetermined gap 78. Therefore, when the pretreatment unit 61 rotates, the front plate base portion 77a can rotate without contacting the rear plate portion 71 of the cover body 70, and removes dirt adhering to the rear plate portion 71 by the front plate base portion 77a. can do.

  The width of the front plate tip 77 b has substantially the same dimensions as the width of the front plate base 77 a and is larger than the width of the holder 66. The front plate tip portion 77 b extends from the front surface in the traveling direction of the holder 66 to the rear surface, and further extends to the position near the inner surface of the rear plate portion 71 of the cover body 70 beyond the attachment plate 68. An end surface 77b2 on the rear plate portion 71 side of the cover plate 70 of the front plate tip portion 77b extends in a straight line and is disposed to face the rear plate portion 71 with a predetermined gap 78. For this reason, when the pretreatment unit 61 rotates, the front plate tip portion 77b can rotate without contacting the rear plate portion 71 of the cover body 70, and the soil adhered to the rear plate portion 71 by the front plate tip portion 77b. Can be removed.

  A positioning plate 79 that facilitates positioning when the soil removing member 75 is mounted on the holder 66 is attached to the inner surface of the front plate base portion 77a on the front plate tip portion 77b side (FIGS. 5A and 5). (See (c)). The positioning plate 79 is formed in a rectangular shape when viewed from the side, extends substantially parallel to the side plate base portion 76a, and is disposed so that the tilling claw 65 is positioned between the positioning plate 79 and the side plate base portion 76a.

  As shown in FIGS. 4 (a) and 4 (b), the tilling claws 65 of the pretreatment unit 61 to which the soil removing member 75 is attached in this way are on the rear side and on the opposite side of the old kite K side. A cover body 70 covers the side extending from the upper part to the side part and the front side thereof. The cover body 70 is connected to the front plate portion 72 and the rear plate portion 71 covering the front side and the rear side of the tilling claws 63, 64, 65 of the pretreatment unit 61, and is connected to the front plate portion 72 and the rear plate portion 71. It has an arcuate plate portion 73 that covers the side of the claw 63, 64, 65 from the upper outer periphery of the claw 63, 64, 65 to the side opposite to the old heel K side.

  The front plate portion 72 extends in the shape of an arc from the upper part of the rotation trajectory along the peripheral edge on the front side of the rotation trajectory of the tilling claws 63, 64, 65 to the opposite side of the old hail side. Is located below the tilling shaft 62. The rear plate portion 71 is formed to extend in a fan shape from the upper part on the rear side of the rotation trajectory of the tilling claws 63, 64, 65 to the lower side of the tilling shaft 62 from the upper side opposite to the old tilling side. Yes.

  The arcuate plate portion 73 is connected between the peripheral portions of the front plate portion 72 and the rear plate portion 71 and is substantially directly above the tilling shaft 62 along the outside of the rotation trajectory of the tilling claws 63, 64, 65. Extends from the tiller shaft 62 to a position below the tiller shaft 62 through the opposite side of the old rod side. Further, the arcuate plate portion 73 is inclined toward the tilling shaft 62 as it advances from the rear side to the front side. For this reason, when the pretreatment part 61 rotates, the soil conveyed by the tilling claws 63, 64, 65 moves upward along the inner surface of the arcuate plate part 73, and the old hook side end of the arcuate board part 73 Is released from.

  The arcuate plate portion 73 is provided along a direction in which an imaginary line Ls connecting the outer circumferences of the rotation trajectories of the first row of tilling claws 63 and the third row of tilling claws 65 is extended (FIG. 4A). reference). For this reason, the space between the rotation trajectory of these tilling claws 63, 64, 65 and the arc-shaped plate portion 73 inner surface can be narrowed, and the amount of soil deposited on the inner surface side of the inclined cover 73d can be reduced. Can do.

  Next, a method for attaching the soil removing member 75 to the holder 66 will be described. First, the bolt 67 that fixes the third row of tilling claws 65 is removed from the holder 66. The tilling claw 65 from which the bolt 67 has been removed is kept inserted in the holder 66. With the side plate portion 76 of the soil removing member 75 facing forward, the soil removing member 75 is moved to the holder side so that the holder 66 is positioned between the positioning plate 79 and the side plate portion 76.

  When the soil removal member 75 is moved so that the holder 66 is inserted between the positioning plate 79 and the side plate portion 76, the soil removal is performed so that the hole 76a1 of the soil removal member 75 and the insertion hole of the holder 66 communicate with each other. The position of the member 75 is adjusted. Further, the position of the soil removing member 75 is adjusted so that the blade portion of the vertical blade portion 65b of the tilling claw 65 contacts the inner surface of the front plate tip portion 77b. Then, the bolt 67 is inserted from the rear plate portion 71 side of the holder 66 through the mounting plate 68 so that the head of the bolt 67 is positioned on the rear plate portion 71 side of the cover body 70. Then, the nut 69 is screwed into the shaft portion of the bolt 67 extending from the side plate portion 76 of the soil removing member 75 via the holder 66, and the soil removing member 75 is fastened to the holder 66. The holder 66 is attached.

  Next, the operation of the soil removing member 75 when performing a smearing operation with the scissor coating machine 1 configured as described above will be described with reference to FIGS. 1, 4A, and 4B. 1 and 4 (b), the soil in the field is cultivated by the cultivating claws 63, 64, 65 of the pre-processing unit 61 and released to the old culvert K side. Is done. The released soil is smeared on the old basket by the trimming unit 80 (see FIG. 1) to form a shaped new basket.

  By the way, when the hammer coater 1 moves forward, soil is pressed against and adheres to the inner surface of the rear plate portion 71 disposed on the rear side in the traveling direction of the cover body 70 covering the pretreatment portion 61. The adhered soil comes into contact with the third row of tilling claws 65 and the holder 66 that holds the soil, and the third row of tilling claws 65 and the holder 66 are likely to be worn.

  However, since the soil removing member 75 described above is attached to the holder 66 that holds the third row of tilling claws 65, the soil removing member 75 causes the rear plate portion 71 to be attached to the holder 71 as shown in FIG. The adhered soil S can be removed. That is, the soil S attached to the rear plate portion 71 can be removed by the front plate base portion 77a and the front plate tip portion 77b of the front plate portion 77. For this reason, at the time of tillage work, the soil S adhering to the rear plate portion 71 can be reduced, and the situation where the third row of tilling claws 65 and the holder 66 holding them are worn and damaged can be prevented. Can do.

  In the above-described embodiment, the soil removing member 75 has a side plate portion 76 whose length is about half of the entire length of the claw 65 of the tilling claw 65, but the side plate portion 76 has a length of the claw of the tilling claw 65. It may have substantially the same length as the full length. As shown in FIGS. 6A and 6B, the soil removing member 100 covers the rear side in the rotation direction of the cultivation claw of the holder 66 to which the third row of cultivation claw 65 is attached, and is attached to the cultivation claw 65. It extends along the ridge edges of the vertical blade portion 65b and the horizontal blade portion 65c from the base portion 65a.

  The soil removing member 100 will be described by further adding FIGS. 7A, 7B, and 7C. The soil removing member 100 is formed by bending a sheet metal or the like, and includes a back plate base 101 and a back plate base 101. And a back plate front end portion 105 that is bent and extends from the end portion of the back plate.

  The back plate base 101 is formed in a substantially rectangular shape in plan view (see FIG. 7A), and the width of the back plate base 101 is larger than the width of the holder 66 (see FIG. 6B). Yes. The back plate base 101 extends from the width direction one side end of the holder 66 to a position beyond the other side end and further beyond the rotation direction rear side end of the mounting plate 68. An end surface 101a on the mounting plate 68 side of the back plate base 101 extends in a straight line, and is arranged opposite to and parallel to the inner surface of the rear plate 71 of the cover body 70 (see FIG. 6A). ). For this reason, when the third row of the tilling claws 65 rotates, the tilling claws 65 do not come into contact with the inner surface of the rear plate portion 71, and the inner surface of the rear plate portion 71 facing the rotation region of the holder 66 by the back plate base 101. The attached soil can be removed. Accordingly, it is possible to prevent the holder 66 from coming into contact with the soil and being worn and damaged.

  A fixing plate 102 for fixing the soil removing member 100 to the holder 66 is provided on the front side in the rotation direction of the back plate base 101. A hole 102 a for passing the bolt 67 is provided at the edge of the fixed plate 102.

  On the other hand, the back plate front portion 105 is formed in a substantially rectangular shape in a side view (see FIG. 7C), one side in the short direction is formed in a straight line, and the other side is a side on one side. A curved shape is formed on the side. The length h in the short direction of one end in the longitudinal direction of the back plate tip 105 has substantially the same dimension as the bend height from the base end to the tip of the horizontal blade portion 65 c of the tilling claw 65.

  The back plate tip portion 105 extends along the ridge edge of the third row of tilling claws 65 and extends in a direction substantially orthogonal to the vertical blade portion 65b and the horizontal blade portion 65c. Further, the end surface 105a extending linearly on one side in the short direction of the back plate tip portion 105 is disposed in parallel and opposite to the inner surface of the rear plate portion 71 of the cover body 70 with a predetermined distance (FIG. 6 ( a)). For this reason, when the tilling claws 65 in the third row rotate, the soil attached to the rear plate portion 71 by the back plate tip portion 105 can be removed without the tilling claws 65 coming into contact with the inner surface of the rear plate portion 71. . Further, since the back plate tip portion 105 extends from the base portion of the vertical blade portion 65b of the tilling claw 65 to the tip portion of the horizontal blade portion 65c, the tilling claw 65 of the soil adhering to the rear plate portion 71. It is possible to remove the soil corresponding to almost all of the rotation areas. Therefore, it is possible to reliably prevent the soil adhering to the rear plate portion 71 from coming into contact with the tilling claw 65 and wearing it.

  Moreover, in the Example mentioned above, although the soil removal member 75 showed what was formed so that it might extend along the blade edge of the vertical blade part 65b of the tilling nail | claw 65, as shown in FIG. The soil removing member 110 may extend to the periphery of the base end portion of the 65b blade edge 65e.

  The soil removing member 110 is formed by bending a sheet metal or the like, covers the front side of the holder 66 in the rotation direction of the cultivation claw, and has a width larger than the thickness of the holder 66 (length in the cultivation axis direction). It extends from the attachment base portion 65a of the claw 65 to the vicinity of the base end portion of the edge of the vertical blade portion 65b. As shown in FIGS. 8, 9A, 9B, 9C, and 9D, the soil removing member 110 is bent from the side plate portion 111 and the end portion of the side plate portion 111. And a front plate portion 115 extending.

  The side plate portion 111 is formed in a flat plate shape and extends from the one end portion in the width direction of the holder 66 to a position beyond the end portion on the other side and further beyond the front end portion in the rotation direction of the mounting plate 68. A hole 111a for passing a bolt is provided at one edge of the side plate 111.

  The front plate portion 115 is connected to one end portion in the width direction of the side plate portion 111 and extends in a direction substantially orthogonal to the side plate portion 111 to cover the front side in the rotation direction of the holder, and the base end of the blade edge 65e of the vertical blade portion 65b. It extends to the vicinity of the part. The width of the front plate portion 115 is larger than the width of the holder 66.

  The front plate 115 extends from the front surface in the direction of travel of the holder 66 to the rear surface, and further beyond the attachment plate 68 to a position in the vicinity of the inner surface of the rear plate portion 71 of the cover body 70 (see FIG. 4A). Extend to. An end surface 115a of the front plate portion 115 on the rear plate portion 71 side of the cover body 70 extends in a straight line and is disposed to face the rear plate portion 71 with a predetermined gap. For this reason, when the pretreatment part 61 rotates, the front plate part 115 can be rotated without contacting the rear plate part 71 of the cover body 70 and the front plate part 115 removes the dirt adhering to the rear plate part 71. can do.

  Since the front plate portion 115 of the soil removing member 110 extends only to the vicinity of the base end portion of the blade edge 65e of the vertical blade portion 65b, the front plate portion 115 faces the back surfaces of the vertical blade portion 65b and the horizontal blade portion 65c of the tilling claw 65. The soil adhered to the rear plate portion 71 of the cover body 70 to be removed cannot be removed. Accordingly, the soil adhering to the rear plate portion 71 comes into contact with the rear surfaces of the vertical blade portions 65b and the horizontal blade portions 65c of the third row of the tilling claws 65, and the vertical blade portions 65b and the horizontal blade portions 65c of the tilling claws 65 are brought into contact with each other. There is a risk of wear.

  Therefore, the wear-resistant metal layer 116 is provided on the back surface of the vertical blade portion 65b and the horizontal blade portion 65c of the third row of the tilling claws 65 along the extending direction of the vertical blade portion 65b and the horizontal blade portion 65c. Is covered. The wear-resistant metal layer 116 is formed by spraying or welding a cemented carbide or a wear-resistant ceramic.

  Accordingly, the wear resistance of the vertical blade portion 65b and the horizontal blade portion 65c of the third row of tilling claws 65 is improved, and the third row of tilling claws 65 is attached to the soil adhered to the rear plate portion 71 of the cover body 70. It does not wear easily even if it comes into contact.

DESCRIPTION OF SYMBOLS 1 Spider coater 61 Pretreatment part 62 Cultivation shaft 63, 64, 65 Cultivation claw 63a, 64a, 65a Mounting base 63b, 64b, 65b Vertical blade part 63c, 64c, 65c Horizontal blade part 70 Cover body 71 Rear plate part 75, DESCRIPTION OF SYMBOLS 100,110 Soil removal member 80 Adjusting part 90 Traveling machine body 116 Abrasion-resistant metal layer K Old iron

Claims (10)

Attached to the traveling machine body and arranged at a position offset laterally with respect to the traveling position of the traveling machine body, the pretreatment unit for cutting the old culvert and depositing the soil, and the piled up old soiled paint. In a scissor coater that includes a trimming unit and that progresses along with the traveling of the traveling machine body to perform a smearing operation,
The pretreatment unit is provided in a plurality of rows with a predetermined interval in the axial direction on a tilling shaft that extends in the front-rear direction and is rotatably supported with respect to the traveling direction of the traveling machine body. Have nails,
The tilling claw has a vertical blade portion and a horizontal blade portion that continuously extend from the mounting base, and bends in the direction opposite to the rotation direction of the tilling shaft from the vertical blade portion to the horizontal blade portion. The blade is bent to one side with respect to the vertical blade,
Of the tilling claws provided in a plurality of rows, the horizontal blade portion of the tilling claws provided in the last row is bent toward the front side in the axial direction of the tilling shaft,
The tilling claw in the last row covers the front side of the mounting claw rotation direction of the mounting portion to which the mounting base of the tilling claw is mounted, and extends at least from the mounting base to the bent blade edge of the vertical blade portion. A soil removal member is provided ,
The soil removing member has a side plate portion and a front plate portion that bends and extends from an end portion of the side plate portion,
The front plate portion includes a base portion and a tip portion extending so as to be bent from the end portion of the base portion along the curved edge of the vertical blade portion.
A sprinkling machine characterized by that. Attached to the traveling machine body and arranged at a position offset laterally with respect to the traveling position of the traveling machine body, the pretreatment unit for cutting the old culvert and depositing the soil, and the piled up old soiled paint. In a scissor coater that includes a trimming unit and that progresses along with the traveling of the traveling machine body to perform a smearing operation,
The pretreatment unit is provided in a plurality of rows with a predetermined interval in the axial direction on a tilling shaft that extends in the front-rear direction and is rotatably supported with respect to the traveling direction of the traveling machine body. Have nails,
The tilling claw has a vertical blade portion and a horizontal blade portion that continuously extend from the mounting base, and bends in the direction opposite to the rotation direction of the tilling shaft from the vertical blade portion to the horizontal blade portion. The blade is bent to one side with respect to the vertical blade,
Of the tilling claws provided in a plurality of rows, the horizontal blade portion of the tilling claws provided in the last row is bent toward the front side in the axial direction of the tilling shaft,
The last row of tilling claws covers the rear side in the rotation direction of the tillage claw of the attachment portion to which the attachment base portion of the tillage claw is attached, and removes soil extending from the attachment base portion to the curved ridge of the vertical blade portion A coating machine characterized in that a member is provided. The soil removing member has a back plate base, and a back plate tip extending so as to be bent from an end of the back plate base along a curved ridge edge of the vertical blade portion.
The wrinkle coater according to claim 2 . The said soil removal member has a width | variety more than the thickness of the said attaching part. The glazing machine as described in any one of the Claims 1 thru | or 3 characterized by the above-mentioned. The back surface of the vertical blade portion and the horizontal blade portion of the last row of the tilling claws in the traveling direction is covered with a wear-resistant metal layer along the extending direction of the vertical blade portion and the horizontal blade portion. The wrinkle coater according to claim 4 . The pretreatment unit has a cover body that surrounds the periphery of the tillage nail,
The soil removing member is disposed such that a surface on the rear side in the traveling direction of the tilling claws faces a rear plate portion of the cover body that covers the rear side in the traveling direction on the last row of the tilling claws. The wrinkle coater according to any one of claims 1 to 5 . The cover body, the portion covering the upper and side in the rotation locus of said cultivating claws, ridge coating machine according to claim 6, characterized in that it is formed in a tapered shape that the diameter as the front is reduced. The said soil removal member is provided in the said attaching part so that attachment or detachment is possible. The wiping machine as described in any one of Claim 1 thru | or 7 characterized by the above-mentioned. Rotation radius of the tip portion of the tilling claws of the last column, one of the claims 1 to 8, characterized in that it has a larger turning radius than the radius of rotation of the tilling claws other columns except the last column Kasumi coating machine according to Kaichi. Wherein the said cultivating shaft of the pre-processing unit, according to any one of claims 1 to 9, characterized in that the inclined former ridge side to the traveling direction front side rear side of the tilling claws in a plan view Vase coater.

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