JP2008086299A - Levee-plastering machine - Google Patents

Abstract

A wrinkle coater capable of forming a wrinkle that has a good hardness balance on the wrinkle side surface and is not easily broken.
A dredger is provided with embankment means for raising soil and crease forming means 4 for compacting the embankment to form creases. The eaves forming means 4 includes a base body 31 having a substantially truncated cone shape and a working plate group 32 provided on the base body 31 and forming an eaves side surface. The action plate group 32 is configured by combining one enlarged diameter side step low action plate 32a, one enlarged diameter side step high action plate 32b, and four step identical action plates 32c.
[Selection] Figure 4

Description

  The present invention relates to a wrinkle coater capable of forming a wrinkle that has a good hardness balance on the wrinkle side surface and is not easily collapsed.

Conventionally, for example, it comprises a banking means for raising soil, and a bowl forming means for forming a bowl by compacting the soil raised by the banking means while rotating about a horizontal rotation center axis. A substantially frustoconical base body that rotates about the rotation center axis, and an action plate group that is provided on the base body and that forms an inclined side surface. The action plate group includes one side and a base body. There is known a plastering machine composed of a plurality of substantially fan-shaped stepped action plates (divided pieces) having the same separation distance between the other side and the reduced diameter side of the base body. (For example, refer to Patent Document 1).
JP 2006-136206 A (FIG. 3 etc.)

  However, in the case where the working plate group that forms the side surface of the plate is configured with a plurality of steps having the same action plate as in the conventional wrinkle coater, the peripheral speed on the diameter expansion side of the base body is reduced in diameter of the base body. Since it is faster than the peripheral speed on the side, the compaction force of the soil due to the step difference action plate on the diameter expansion side of the base body is stronger than that on the diameter reduction side, and the lower side of the heel side surface may become too hard.

  This invention is made | formed in view of such a point, and an object of this invention is to provide the wrinkle coater which can form the wrinkle which has the favorable hardness balance of the wrinkle side surface, and does not collapse easily.

  The hammer coater according to claim 1 comprises a banking means for raising soil, and a bowl forming means for compacting the soil raised by the banking means to form a bowl while rotating about a rotation center axis. The scissor forming means includes a substantially truncated cone-shaped base body that rotates about the rotation center axis, and a working plate group that is provided on the base body and forms a scissors side surface. In this case, there is provided an enlarged-side step-low action plate in which a separation distance between one side and the diameter-expanded side of the base body is smaller than a distance between the other side and the diameter-reduced side of the base body.

  According to a second aspect of the present invention, in the first aspect, the working plate group has a separation distance between the one side and the diameter-expanded side of the base body and the diameter-reduced side of the base body. The large-diameter side step height acting plate is larger than the separation distance.

  According to a third aspect of the present invention, in the first aspect of the present invention, the working plate group has a separation distance between the one side and the diameter-expanded side of the base body and the diameter-reduced side of the base body. The same step difference action plate with the same separation distance, and a combination of the step difference action plate, the enlarged diameter side step low action plate and the enlarged diameter side step height action plate.

  The padding machine according to claim 4 comprises a banking means for raising soil, and a bowl forming means for compacting the soil raised by the banking means to form a bowl while rotating about a rotation center axis. The scissor forming means includes a substantially frustoconical base body that rotates about the rotation center axis, a working plate that is provided on the base body and forms a scissors side surface, and the working plate and the base body. And a separation distance adjusting means for adjusting the separation distance.

  According to a fifth aspect of the present invention, the separation distance adjusting means includes a nut member fixed to the base body and a screw member that is screwed to the nut, and a tip portion that contacts the action plate. And a bolt member in contact therewith.

  According to a sixth aspect of the present invention, in the first aspect, the separation distance adjusting means includes a spacer member positioned between the base body and the action plate.

  According to the present invention, it is possible to suppress a problem that the lower side of the heel side surface becomes too hard, and it is possible to form a heel that has a good hardness balance on the heel side surface and is not easily collapsed.

  An embodiment of a plastering machine according to the present invention will be described with reference to the drawings.

  In FIG. 1 and FIG. 2, reference numeral 1 denotes a hull coater, and this hull coater 1 is a towed hull coater connected to the rear part of a tractor (not shown) which is a traveling vehicle.

  The coater 1 is a machine body 2 connected to the rear part of the tractor via a three-point link (working machine lifting support device), and is provided rotatably on one side front part of the machine body 2 for the surface of the rice field and the main fence. Rotary-type embankment means 3 that is cultivated and raised on the side and upper surface of the rice field side, and is rotated around a horizontal rotation axis X at a rear position of the embankment means 3 provided at one side rear part of the body 2 On the other hand, there is provided a ridge forming means 4 for compacting the embankment on the main fence by the embankment means 3 to form a crease (new crease) A.

  The machine body 2 includes a fixed machine frame 6 connected to a rear portion of a tractor (not shown) via a three-point link, and a movable machine frame 8 provided on the fixed machine frame 6 so as to be rotatable in the left-right direction via a parallel link 7. And drive means 9 such as an electric hydraulic cylinder for rotating the movable machine frame 8 in the left-right direction.

  The fixed machine frame 6 has a shaft holding portion 11, and an input shaft 12 is rotatably provided on the shaft holding portion 11. The input shaft 12 is connected to the PTO shaft of the tractor via a universal joint.

  The movable machine frame 8 is provided with a frame portion 14, a frame portion 15 for embankment means that is provided on the frame portion 14 so as to be pivotable in the vertical direction, and holds the embankment means 3; And a heel forming means frame portion 16. The embankment means frame portion 15 is rotated up and down by a drive means 17 such as an electric hydraulic cylinder, and the up-and-down rotation of the embankment means frame portion 15 adjusts the vertical position of the embankment means 3 with respect to the ridge forming means 4. Is done. Further, the movable machine frame 8 is provided with a gauge wheel 18, and the gauge wheel 18 can be adjusted in the vertical position by rotating the handle 19 for height adjustment.

  The embankment means 3 includes a rotating shaft 21 that is rotatably supported at the front end of the embankment means frame portion 15 of the movable machine frame 8 of the machine body 2, and a rotating shaft 21 provided on the rotating shaft 21. A plurality of embankment pawls 22 are provided that cultivate the soil of the paddy surface and the former surface while rotating as a unit, and raise the soil on the side surface and the upper surface of the former surface. The rotating shaft 21 receives the power from the input shaft 12 from the power transmission means 20 and rotates in a predetermined direction. Upper portions of the plurality of embankment nails 22 are covered with a cover member 23.

  The ridge forming means 4 includes a substantially cylindrical ridge upper surface forming part 26 that forms a horizontal ridge upper surface A1 by compacting the embankment on the main fence, and a downward slope toward the rice field side by compacting the embankment on the former basin. The substantially frustoconical ridge shoulder surface forming portion 27 that forms the heel shoulder surface A2 and the substantially frustoconical ridge that forms the heel side surface A3 that is inclined downward toward the rice field side by compacting the embankment on the former fence And a side surface forming portion 28.

  Here, as shown in FIGS. 3 to 5, the heel side surface forming portion 28 is a rotating shaft 30 that is rotatably supported horizontally by the heel forming means frame portion 16 of the movable machine frame 8 of the machine body 2. A base body 31 having a substantially frustoconical shape fixed to the rotation center axis X, and a base provided on the base body 31 so as to be positioned substantially along the outer peripheral surface (reference conical surface) 31a of the base body 31. A substantially frustoconical action plate group 32 which forms an inclined heel side surface A3 by compacting the embankment while rotating in a predetermined rotation direction (arrow direction in FIG. 3) integrally with the body 31; Yes. The rotating shaft 30 receives power from the input shaft 12 from the power transmission means 20 and rotates in a predetermined direction.

  The action plate group 32 is formed by a metal plate or a synthetic resin plate or the like with a slightly curved surface and substantially fan-shaped, and is arranged radially with the rotation center axis X as the center. A plurality of (for example, six) action plates (discs that are divided plates) to be compacted, that is, one diameter-expansion side step difference action with a low step on the diameter-expansion side (tip side) with respect to the outer peripheral surface 31a of the base body 31, for example. The plate 32a, a single large-diameter-side step height acting plate 32b with a large step on the enlarged diameter side with respect to the outer peripheral surface 31a of the base body 31, and the same four steps on the enlarged-diameter side and the reduced-diameter side. It is configured in combination with the action plate 32c.

  In other words, the working plate group 32 has a separation distance between one side (one end side along the rotation direction) on the rear end side in the rotation direction and the larger diameter side of the outer peripheral surface 31a of the base body 31 on the other side (on the rear end side in the rotation direction). The other end side along the rotation direction) and a large-diameter-side step low action plate 32a smaller than the separation distance between the outer peripheral surface 31a of the base body 31 and the one end and the base at the rear end side in the rotation direction. One diameter-expansion side step height increasing effect in which the separation distance between the outer peripheral surface 31a of the body 31 and the outer diameter 31a of the base body 31 is larger than the separation distance between the other side at the rear end side in the rotational direction and the reduced diameter side of the outer peripheral surface 31a. The separation distance between the plate 32b, one side on the rear end side in the rotational direction and the diameter-expanded side of the outer peripheral surface 31a of the base body 31 is the other side on the rear end side in the rotational direction and the diameter-reduced side of the outer peripheral surface 31a of the base body 31. The four step identical action plates 32c having the same separation distance are combined.

  As shown in FIG. 3, the enlarged diameter side step low action plate 32a and the enlarged diameter step height acting plate 32b are arranged symmetrically about the rotation center axis X, and the rotation direction of the enlarged diameter step difference action plate 32a. Two step identical action plates 32c located in the front and two step identical action plates 32c located in the rotational direction rearward of the enlarged diameter side step low action plate 32a are arranged symmetrically about the rotation center axis X. Yes.

  In addition, the rotational direction front end side of each working plate 32a, 32b, 32c is fixed to the outer peripheral surface 31a of the base body 31 with a fixture (not shown) such as a bolt and a nut. The action plates 32a, 32b, 32c are spaced apart from the outer peripheral surface 31a of the base body 31 toward the rear end in the rotation direction so that the soil compaction force gradually increases from the front end in the rotation direction toward the rear end in the rotation direction. Is in a large inclined state.

  The action plate 32a, 32b, 32c can be rotated about a support shaft 36 such as a pin on the support plate 35, which is a support means projecting on the outer peripheral surface 31a of the base body 31, on the rear end side in the rotation direction. It is supported (see FIG. 6). That is, the connecting plate 37, which is a connecting portion that protrudes inwardly on the base body 31 side at the approximate center of the rear end portion in the rotation direction of the action plates 32a, 32b, and 32c, extends from the outer peripheral surface 31a of the base body 31. The projecting support plate 35 is rotatably connected to the projecting support plate 35 via a support shaft 36.

  Further, a nut member 41 such as a hexagon nut is fixed to a predetermined portion of the inner peripheral surface of the base body 31 by welding or the like, and a bolt member 42 such as a hexagon nut for adjusting a separation distance is fixed to the fixed nut member 41. Is screwed from the inside of the base body 31. The front end side of the screwed bolt member 42 protrudes from the outer peripheral surface 31a of the base body 31 through the bolt hole 43 of the base body 31, and the front end portion of the bolt member 42 rotates the action plates 32a, 32b, 32c. It is in contact with both end sides in the edge direction on the rear end side. The nut member 41, the bolt member 42, the support plate 35, the support shaft 36, and the connecting plate 37 are used to adjust the separation distance for adjusting the separation distance between the action plates 32a, 32b, 32c and the outer peripheral surface of the base body 31. Means 50 are configured.

  Then, the bolt member 42 of the separation distance adjusting means 50 is rotated to slightly deform the rotation direction front end side of the action plates 32a, 32b, 32c, while the rotation direction rear end side of the action plates 32a, 32b, 32c is supported on the spindle. It is possible to adjust the separation distance between the action plates 32a, 32b, 32c and the outer peripheral surface 31a of the base body 31 by rotating around 36. By adjusting this separation distance, the action plate can reduce the step on the enlarged diameter side. It is selected and set to any one of the plate 32a, the enlarged diameter side step height acting plate 32b, and the step identical action plate 32c.

  In addition, the inclination angle α with respect to the outer peripheral surface 31a of the base body 31 on the rear end side in the rotation direction of the diameter-enlarged step difference action plate 32a and the outer peripheral surface of the base body 31 on the rear end side in the rotation direction of the diameter-enlarged step difference action plate 32b. The inclination angle β with respect to 31a can be changed by rotating the bolt member 42. The inclination angles α and β may be changed in the range of 0 ° to 10 ° by changing the sizes of the support plate 35 and the connecting plate 37.

  Note that the nut member 41, the bolt member 42, the support plate 35, the support shaft 36, the connecting plate 37, and the like are separated distances for adjusting the separation distance between the action plates 32a, 32b, 32c and the outer peripheral surface of the base body 31. Adjustment means 50 is configured.

  Next, the operation and the like of the above-described glazing machine 1 will be described.

  When the tractor 1 is connected to the rear part of the tractor and the tractor is run, the spreader 1 moves forward in the traveling direction together with the tractor, and the driving force from the tractor passes through the input shaft 12 and the power transmission means 20. As a result, the embankment means 3 and the ridge forming means 4 are each driven to rotate in a predetermined direction.

  When the embankment means 3 and the ridge forming means 4 are driven and rotated, the soil of the rice field and the mortar is cultivated by the embankment claw 22 and raised on the side surface and the upper surface of the mortar, and the soil raised on the moss is raised. Is compacted by the heel upper surface forming portion 26 to form the heel upper surface A1, and is compacted by the heel shoulder surface forming portion 27 to form the heel shoulder surface A2, and is compacted by the heel side surface forming portion 28. Thus, the side surface A3 is formed.

  For the side face A3, the action plate group 32 has at least one diameter-expansion side step low action plate 32a, so that the lower side of the side face A3 does not become too hard, and each has different steps. The hitting effect is improved by the plates 32a, 32b, and 32c, and a strong heel side surface A3 having substantially the same hardness on the upper side and the lower side is formed.

  As described above, according to the glazing machine 1, it is possible to suppress the problem that the lower side of the heel side surface A3 that is inclined downward toward the surface side is too hard, and the upper side and the lower side form the heel side surface A3 having substantially the same hardness. Therefore, it is possible to obtain the heel A having a good hardness balance of the heel side surface A3 and being difficult to collapse.

  Further, the working plate can be appropriately selected and set to any one of the large-diameter side step-low working plate 32a, the large-diameter side step-high working plate 32b and the same step-like working plate 32c by the separation distance adjusting means 50, and the large-diameter side step-low working plate 32c. Since the inclination angle α of the action plate 32a and the inclination angle β of the enlarged diameter side step height action plate 32b can be changed, it is possible to appropriately cope with the soil condition and the like, and to reliably form the ridge A that is not easily broken.

  The separation distance adjusting means 50 is not limited to one that adjusts the separation distance between the action plates 32a, 32b, 32c and the base body 31 by rotating the bolt member 42 screwed to the nut member 41. For example, as shown in FIGS. 7 to 9, a spacer member 51 positioned between the outer peripheral surface 31a of the base body 31 and the rear end side in the rotation direction of the action plates 32a, 32b, 32c, and the action plates 32a, 32b, 32c. Fixing tool that is arranged at two positions on the rear end side in the rotation direction of the base plate and fixes the working plates 32a, 32b, 32c to the base body 31 and clamps the spacer member 51 between the base body 31 and the working plates 32a, 32b, 32c. 52 may be comprised.

  The spacer member 51 is formed in a wedge shape corresponding to the inclination angle α of the enlarged diameter side step height reducing action plate 32a and the inclination angle β of the enlarged diameter side step height action plate 32b, for example, of metal, resin or rubber.

  The fixing member 52 includes, for example, a bolt 53 and a nut 54. The bolt 53 includes a bolt hole 55 of the action plates 32a, 32b, and 32c, a bolt hole 56 of the spacer member 51, and a bolt hole 43 of the base body 31. And a nut 54 is screwed onto a tip portion of the bolt 53 that protrudes inward from the inner peripheral surface of the base body 31.

  The spacer members 51 are respectively provided on the diameter-reduced side of the diameter-enlarged step difference low action plate 32a, the diameter-enlarged side of the diameter-enlarged step difference action plate 32b, and the diameter-reduced side and the diameter-enlarged side of the step identical action plate 32c. Has been placed. In FIG. 8, the spacer member 51 is not disposed on the diameter-expanding side (distal end side) of the diameter-enlarged side step height reducing action plate 32 a and the diameter-reducing side (base end side) of the diameter-enlarged side step height acting plate 32 b. As with the step identical action plate 32c, wedge-shaped spacer members may be arranged on both the reduced diameter side and the expanded diameter side.

  Further, as shown in FIGS. 10 to 12, for example, the separation distance adjusting means 50 is a spacer member 61a located between the outer peripheral surface 31a of the base body 31 and the rear end side in the rotation direction of the action plates 32a, 32b, 32c. , 61b and the operation plates 32a, 32b, 32c are arranged at only one central position on the rear end side in the rotational direction of the operation plate 32a, 32b, 32c. It may be configured by a fixture 62 for holding the spacer members 61a and 61b between 32a, 32b and 32c.

  The spacer member 61a is formed in a wedge shape corresponding to the inclination angle α of the large-diameter side step height reducing action plate 32a and the inclination angle β of the large diameter side step height difference action plate 32b, for example, with metal, resin, rubber, or the like. . The spacer member 61b is formed in a flat shape having a thickness corresponding to the distance from the base body 31 of the step-differing action plate 32c, for example, of metal, resin, rubber, or the like.

  The fixing device 62 includes, for example, a bolt 63 and a nut 64. The bolt 63 is a bolt hole 65 of the action plates 32a, 32b, 32c, a bolt hole 66 of the spacer members 61a, 61b, and a bolt hole of the base body 31. A nut 64 is screwed to a tip portion that is inserted through the portion 43 and protrudes inward from the inner peripheral surface of the base body 31 of the bolt 63.

  In any of the above-described embodiments, the case where the action plate group 32 is configured by a combination of the enlarged diameter side step low action plate 32a, the enlarged diameter side step height action plate 32b, and the step identical action plate 32c will be described. However, at least one of the plurality of action plates may be the enlarged-diameter side step-low action plate 32a. For example, the action plate group 32 includes only the enlarged-diameter side step-low action plate 32a. Constructed by a combination of the diameter side step low action plate 32a and the expansion side step high action plate 32b, a combination of the diameter side step low action plate 32a and the step identical action plate 32c, etc. But you can.

  Further, the substantially truncated cone-shaped base body 31 may be formed in a frame shape by, for example, a plurality of spokes radially provided so as to form a reference conical surface and a ring connecting the outer peripheral ends of these spokes. .

  Furthermore, the rotation center axis X of the ridge forming means 4 may be inclined instead of horizontal, and the number of action plates constituting the action plate group 32 is not limited to six and is arbitrary.

[BRIEF DESCRIPTION OF THE DRAWINGS] It is a top view of the wrinkle coating machine based on one embodiment of this invention. It is a side view of a drape coater same as the above. It is a side view of the wrinkle forming means of the same hull coater. It is sectional drawing of a wrinkle formation means same as the above. It is sectional drawing of a wrinkle formation means same as the above. It is a figure which shows the connection part of the base body and action plate of a wrinkle formation means same as the above. It is a side view of the wrinkle formation means of the wrinkle coating machine which concerns on other embodiment of this invention. It is sectional drawing of a wrinkle formation means same as the above. It is sectional drawing of a wrinkle formation means same as the above. It is a side view of the wrinkle forming means of the wrinkle coating machine which concerns on other embodiment of this invention. It is sectional drawing of a wrinkle formation means same as the above. It is sectional drawing of a wrinkle formation means same as the above.

Explanation of symbols

1 １ coating machine 3 embankment means 4 畦 formation means
31 Base body
32 Action plate group
32a Expanding side stepped low acting plate
32b Expanding side step high action plate which is action plate
32c Same step plate
41 Nut member
42 Bolt member
50 Separation distance adjustment means
51, 61a, 61b Spacer member X Center axis of rotation A 畦 A3 畦 Side

Claims (6)

Means for embedding soil,
畦 forming means for forming a ridge by compacting the soil raised by the embankment means while rotating around the rotation center axis,
The wrinkle forming means includes
A substantially frustoconical base body that rotates about the rotation axis;
Provided on this base body, and a group of action plates that form the heel side surface,
The working plate group includes an enlarged side step difference working plate in which a separation distance between one side and the enlarged diameter side of the base body is smaller than a separation distance between the other side and the reduced diameter side of the base body.畦 coating machine. The working plate group includes a large-diameter-side step high working plate in which a separation distance between one side and the diameter-expanding side of the base body is larger than a separation distance between the other side and the diameter-decreasing side of the base body. Item 1. A coater according to item 1. The action plate group has the same step difference action plate in which the separation distance between the one side and the diameter expansion side of the base body is the same as the separation distance between the other side and the diameter reduction side of the base body. The wrinkle coater according to claim 2, comprising a combination of a diameter-side step difference action plate and a diameter-side step difference action plate. Means for embedding soil,
畦 forming means for forming a ridge by compacting the soil raised by the embankment means while rotating around the rotation center axis,
The wrinkle forming means includes
A substantially frustoconical base body that rotates about the rotation axis;
An action plate provided on the base body and forming a heel side surface;
A wrinkling machine comprising: a separation distance adjusting means for adjusting a separation distance between the action plate and the base body. The separation distance adjusting means is
A nut member fixed to the base body;
5. A wrinkle coater according to claim 4, further comprising: a bolt member screwed onto the nut and having a tip portion abutting against the action plate. The spreader according to claim 4, wherein the separation distance adjusting means includes a spacer member located between the base body and the action plate.

Images