JP4170860B2 - 畦 coating machine - Google Patents

Description

The present invention relates to a scissor coater that performs a smearing operation in a soil working unit while moving by traveling of a traveling vehicle.

Conventionally, as this type of farm work machine capable of return work, for example, a fixed machine frame, a movable machine frame that can move to a forward work position, a backward work position, and a retracted non-work position, and that supports a soil work part, A coater provided with a fixing means for fixing a motivation frame at each position is known (see, for example, Patent Document 1).
JP 2002-78403 A

  However, in the configuration in which the movable frame is simply fixed to each position by the fixing means as in the conventional farm work machine, the movable frame is apt to be insufficiently fixed to the forward work position during forward work. There is a risk of rattling, and stable work may not be possible.

The present invention has been made in view of such points, rattling is unlikely to occur during forward operation, and to provide a ridge coating machine which can stably work.

請 Motomeko 1 ridge coating machine described, a ridge coating machine for performing the furrow coating work on the soil working unit while being moved by the traveling of the vehicle, a fixed machine frame having a vehicle connecting portion, said earth working portion Is a forward working position for performing a smearing operation based on the forward traveling of the traveling vehicle, a retreat working position for the soil working unit to perform a smearing operation based on a backward traveling of the traveling vehicle, and the soil working unit is the traveling vehicle. A movable machine frame that supports the earth working unit, a fixing means that fixes the movable machine frame to each position, and the movable machine that uses the fixing means. and an auxiliary fixing means for assisting the fixing of the forward work position of frame, said auxiliary fixing means includes a fitting recess provided in one of the fixed machine frame and the movable machine frame, said fixed machine frame and provided on the other of the movable machine frame, It enters the serial fitting the recess is one having an elastically deformable elastic engagement portion of the fitting recess and the fitting.

請 Motomeko 2 ridge coating machine described, a ridge coating machine for performing the furrow coating work on the soil working unit while being moved by the traveling of the vehicle, a fixed machine frame having a vehicle connecting portion, said earth working portion Is a forward working position for performing a smearing operation based on the forward traveling of the traveling vehicle, a retreat working position for the soil working unit to perform a smearing operation based on a backward traveling of the traveling vehicle, and the soil working unit is the traveling vehicle. A movable machine frame that supports the earth working unit, a fixing means that fixes the movable machine frame to each position, and the movable machine that uses the fixing means. and an auxiliary fixing means for assisting the fixing of the forward work position of frame, said auxiliary fixing means is provided on the fixed machine frame, a fitting recess which also serves as a stand holder, provided on the movable machine frame, It fits into the fitting recess and fits into the fitting recess. Those having an elastically deformable elastic engagement portion for.

According to 請 Motomeko 1 ridge coating machine according, in addition to fixing means for fixing the movable machine frame, since as it has an auxiliary fixing means for assisting the securing of the forward work position of the movable machine frame by securing means In the forward operation, rattling is unlikely to occur and stable operation can be performed, and by fixing the fitting concave portion and the elastic fitting portion, the movable unit frame can be fixed to the forward operation position by the fixing means. Can assist properly.

According to ridge coating machine according to claim 2, in addition to fixing means for fixing the movable machine frame, since as it has an auxiliary fixing means for assisting the securing of the forward work position of the movable machine frame by fixing means, It is difficult for rattling to occur during forward work, and stable work can be performed. Also, by fixing the fitting recess and elastic fitting part, it is possible to fix the movable machine frame to the forward work position by the fixing means. The fitting recess can be used as a stand holder when not working.

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

In FIG. 1 to FIG. 4, reference numeral 1 denotes a basket coater which is an agricultural working machine , and this basket coater 1 is a traction type which is used by being attached to the rear part of a tractor (not shown) which is a traveling vehicle. The padding machine 1 is a small padding machine that performs padding work (soil work) in the soil work unit 2 on one side while moving the farm field in the traveling direction (X direction in the figure) by traveling of the tractor during work. is there.

The wrinkle coater 1 includes a fixed machine frame 4 fixedly connected to a tractor. One end of a single rotating arm body 5 that is a connecting body is connected to the fixed machine frame 4 so as to be rotatable about a first vertical axis Y1. A movable machine frame 6 that supports the earth working unit 2 is connected to the other end side of the rotating arm body 5 so as to be rotatable about the second longitudinal axis Y2.

  The movable machine frame 6 is pivoted about the first vertical axis Y1 of the rotary arm body 5 with respect to the fixed machine frame 4 and centered on the second vertical axis Y2 of the movable machine frame 6 with respect to the rotary arm body 5. The forward work position (see FIGS. 1 and 2) in which the earth work unit 2 performs the scouring work (earth work) based on the forward travel of the tractor by the rotation to be performed, and the earth work unit 2 is based on the backward travel of the tractor. The retreat work position (see FIG. 4) for performing the filling work (soil work) and the soil work part 2 can be selectively moved to the retracted non-work position (see FIG. 3) located behind the tractor.

  For example, the movable machine frame 6 moves along the substantially horizontal direction from the forward working position to the retracted non-working position only by turning about the first vertical axis Y1 of the turning arm body 5 with respect to the fixed machine frame 4. The rotating arm body 5 with respect to the stationary machine frame 4 is stored by both the rotation about the first vertical axis Y1 and the rotation of the movable machine frame 6 with respect to the rotating arm body 5 about the second vertical axis Y2. It moves along the substantially horizontal direction from the non-working position to the reverse working position.

  Here, the fixed machine frame 4 has a three-point connecting portion 11 that is a traveling vehicle connecting portion that is connected to a three-point link portion that is a working machine lifting portion at the rear of the tractor. The three-point connecting portion 11 is composed of one top mast 13 with a top pin 12 attached to the tip portion, and two lower arms 15 with a lower pin 14 attached to the tip portion.

  The fixed machine frame 4 has an input shaft holding part 16 such as a boss. The input shaft holding portion 16 is provided with an input shaft 17 for inputting power from the tractor side so as to be rotatable via a bearing (not shown). Note that the PTO shaft of the tractor is connected to the input shaft 17 on the stationary machine frame 4 side via a universal joint, a transmission shaft, and the like.

  In addition, a single rotating arm body 5 that connects the fixed machine frame 4 and the movable machine frame 6 is provided with a long arm body 21 and an end of the arm body 21 on the movable machine frame 6 side. And a substantially box-shaped intermediate input shaft holding portion 23 rotatably provided via a horizontal shaft portion 22.

  An intermediate input shaft 24 on the movable machine frame 6 side is rotatably provided on a side surface portion of the substantially box-shaped intermediate input shaft holding portion 23 that also serves as the gear box via a bearing (not shown). Yes. The intermediate input shaft 24 is connected to a transmission means 25 for transmitting power to the earth work unit 2, and the transmission means 25 includes a plurality of bevel gears 26 and a shaft 27.

  Then, the soil is applied by the movable machine frame 6 connected to the lower surface portion of the intermediate input shaft holding portion 23 on the other end side of the rotating arm body 5 so as to be rotatable about the second vertical axis Y2. The working unit 2 is supported.

  That is, the movable body frame 6 that is rotatably connected to the rear end portion of the rotating arm body 5 is capable of rotating a filling body (rotary) 31 that cultivates and raises soil for padding on the front side in the traveling direction.畦 which is provided and compacted so as to push the soil for culling raised by the embankment body 31 on the rear side in the traveling direction so as to be pushed into the main culvert, to form an inclined heel inner surface and a horizontal heel surface A forming body (disk) 32 is rotatably provided, and a saddle upper surface processing body 33 that pretreats the saddle upper surface at a position ahead of the embankment body 31 in the traveling direction is rotatably provided. In other words, the earth work unit 2 composed of the dredge upper surface processing body 33, the embankment body 31 and the dredger formation body 32 is supported in a predetermined posture by the movable machine frame 6, and the earth work unit 2 together with the movable machine frame 6 Move to each position.

  The upper surface processing body 33 includes a rotating shaft 34 and a plurality of processing claws 35 that protrude radially from the outer peripheral side of the rotating shaft 34. The embankment 31 is composed of a rotary shaft 36 that is positioned substantially parallel to the rotary shaft 34 of the top surface treatment body 33, and a plurality of tilling claws 37 that project radially from the outer peripheral side of the rotary shaft 36. The rotating shaft 36 of the embankment 31 and the rotating shaft 34 of the top surface treating body 33 are connected via a transmission means (not shown). In addition, the ridge forming body 32 is attached to a rotating shaft 38 that is positioned substantially orthogonal to the rotating shaft 36 of the embankment 31, a substantially frustoconical side surface forming member 39 that is attached to the rotating shaft 38, and the rotating shaft 38. It is composed of a substantially cylindrical upper surface forming member 40 and the like.

  The movable machine frame 6 is provided with a rotatable grounding ring 41 so that the height can be adjusted.

  Further, the movable machine frame 6 can be pivotally adjusted in the vertical direction about the horizontal shaft portion 22 of the pivot arm body 5. That is, the working depth of the embankment 31 of the earth working portion 2 can be adjusted by operating the handle portion 43 of the working depth setting means 42 located between the movable machine frame 6 and the rotating arm body 5.

On the other hand, the brush coater 1 includes a single power transmission shaft body 45 that transmits the power from the input shaft 17 located on the stationary machine frame 4 side to the intermediate input shaft 24 located on the movable machine frame 6 side. ing.

  As is apparent from FIG. 2, when the earth work unit 2 is in the standard work posture (the two vertical axes Y1 and Y2 are positioned along the vertical direction and the axis direction of the rotary shaft 36 of the embankment 31 is horizontal) The input shaft 17, the power transmission shaft 45, and the intermediate input shaft 24 are all on substantially the same plane so that their respective rotation center axes (axis cores) coincide with each other in a side view. To position. For example, in the state of FIG. 2, the shafts of the input shaft 17, the power transmission shaft body 45, and the intermediate input shaft 24 are positioned on one inclined plane inclined about 5 degrees with respect to the horizontal.

  As is clear from FIG. 1 and the like, the longitudinal direction of the arm main body 21 of the rotating arm body 5 is flat with the axial direction of the intermediate input shaft 24 protruding from the intermediate input shaft holding portion 23 of the rotating arm body 5. It is always almost the same visually.

  Here, the power transmission shaft body 45 is bendable at both ends in the axial direction, one end side is connected to the input shaft 17, and the other end side is connected to the intermediate input shaft 24.

  The power transmission shaft body 45 includes, for example, a transmission shaft portion 46 that can be expanded and contracted in the axial direction, and a wide angle constant velocity joint portion (wide angle CV) provided at one end portion of the transmission shaft portion 46 (an end portion on the input shaft 17 side). A joint) 47 and a single joint portion 48 provided at the other end of the transmission shaft portion 46 (the end portion on the intermediate input shaft 24 side).

  The transmission shaft portion 46 includes an inner shaft 51, an outer shaft 52, and the like. The wide-angle constant velocity joint portion 47 includes two cross pins (spiders) 53 having a cross shape, an input shaft side yoke 54, an intermediate yoke (CV yoke) 55 and a transmission shaft portion side yoke 56. The single joint portion 48 includes a cross-shaped cross pin (spider) 57, an intermediate input shaft side yoke 58, and a transmission shaft portion side yoke 59.

  The input shaft 17 is connected to the input shaft side yoke 54 of the wide angle constant velocity joint portion 47 by being formed integrally with the yoke 54, and the intermediate input shaft side yoke 58 of the single joint portion 48 is connected to the intermediate input shaft. 24 are connected by spline fitting. The power transmission shaft body 45 is covered with a substantially cylindrical shaft body cover 60.

Further, the plastering machine 1 is provided with a fixing means 50 that removably fixes (locks) the movable machine frame 6 to each position, that is, the forward work position, the retracted non-work position, and the reverse work position.

  The fixing means 50 includes, for example, a first fixing portion 61 disposed between the fixed machine frame 4 and the rotating arm body 5, and a second fixing portion 62 disposed between the movable machine frame 6 and the rotating arm body 5. It consists of and.

  The first fixing portion 61 includes a substantially cylindrical cylinder body 63 having a hole formed at a predetermined position, a rod 64 with a hole slidably inserted into the cylinder body 63, and a cylinder body that matches each other. 63 and a pin (not shown) inserted into the hole of the rod 64. The cylinder main body 63 of the first fixing portion 61 is rotatably attached to an intermediate portion of the arm main body portion 21 of the rotary arm body 5. The rod 64 of the first fixing portion 61 is rotatably attached to the fixing machine frame 4.

  Similarly to the first fixing portion 61, the second fixing portion 62 has a substantially cylindrical cylinder body 65 having a hole formed in a predetermined position, and a hole with a hole slidably inserted into the cylinder body 65. The rod 66 is provided with a hole in the cylinder body 65 and a pin (not shown) inserted into the hole in the rod 66 that coincide with each other. The cylinder body 65 of the second fixing portion 62 is rotatably attached to an intermediate portion of the arm body portion 21 of the turning arm body 5. The rod 66 of the second fixed portion 62 is rotatably attached to the movable machine frame 6.

The coater 1 further includes auxiliary fixing means 70 that assists the fixing means 50 in fixing the movable machine frame 6 to the forward working position.

  As shown in FIGS. 5 and 6, the auxiliary fixing means 70 has a fitting recess 71 that also serves as a stand holder that is provided in the fixing machine frame 4 and has a slightly long vertical shape.

The fitting recess 71 has, for example, a substantially U-shaped cross section opened rearward, and has a plurality of pin holes 72 arranged vertically on the side surface. The fitting recess 71 is fixedly provided on the right end side which is one end side of the horizontally long frame portion 73 of the fixing machine frame 4. Note that a stand holder 74 having the same shape as the fitting recess 71 is provided on the left end side which is the other end side of the horizontally long frame portion 73. At the time of non-working, casters stand 75 is detachably attached by a pin 76 on each of the right fitting recess 71 and the left side of the stand holder 74, furrow coating machine at right and left pair of casters stand 75 1 The whole is supported (see FIG. 3).

  The auxiliary fixing means 70 is provided in the movable machine frame 6 in the vicinity of the embankment body 31 and enters the fitting recess 71 on the fixed machine frame 4 side by moving the movable machine frame 6 to the forward work position during forward work. Thus, it has an elastically deformable elastic fitting portion 81 that is detachably fitted to the fitting concave portion 71.

  The elastic fitting portion 81 is constituted by, for example, a rubber plate 82 that is a single elastic plate. The rubber plate 82 is fixed by a fixture 85 to a mounted portion 84 that rises from an end portion of the frame portion 83 of the movable machine frame 6 in a bent state. A deformation allowing space 90 is formed between the rubber plate 82 and the mounted portion 84 so that the rubber plate 82 is elastically deformed into a shape corresponding to the fitting recess 71 by contact with the fitting recess 71. Yes. Note that the fixture 85 includes, for example, a bolt 86, a nut 87, and a clamping plate 88.

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

  At the time of forward work in which the earth work part 2 performs the scouring work by the forward traveling of the tractor, the movable machine frame 6 that supports the earth work part 2 is fixed to the forward work position by the fixing means 50 as shown in FIGS. Then, the embankment body 31, the ridge forming body 32, and the heel surface processing body 33 are set to a predetermined forward working state. In this forward operation state, as is apparent from FIG. 1, the fitting recess 71 on the stationary machine frame 4 side and the elastic fitting part 81 on the movable machine frame 6 side are fitted to each other and fixed by this fitting. The fixing of the movable machine frame 6 to the forward work position by the means 50 is assisted, so that the movable machine frame 6 does not rattle.

Then, when the tractor is moved forward in a state where the embankment body 31, the ridge forming body 32 and the heel upper surface processing body 33 are set in a predetermined forward operation state, the culvert coating machine 1 moves in the traveling direction (forward), The power from the tractor side is transmitted to the earth work unit 2 through the input shaft 17, the power transmission shaft body 45, the intermediate input shaft 24 and the transmission means 25.

  When the power from the tractor side is transmitted to the earth working unit 2, each of the embankment body 31, the eaves forming body 32, and the eaves upper surface treatment body 33 rotates in a predetermined direction. Then, the upper surface of the old paddy is pre-processed by the paddle surface processing body 33, the soil for paddy coating is cultivated by the embankment body 31 and raised to the main paddle, and the soil raised on the main paddle is the paddle forming body. It is compacted at 32, and a new song is formed.

  Further, at the end of the field so that there is no unpainted area, during the reverse operation (at the time of return operation) in which the soil work unit 2 performs the dredging work by the backward movement of the tractor, as shown in FIG. The movable machine frame 6 supporting 2 is fixed to the retreat working position by the fixing means 50, and the embankment body 31, the ridge forming body 32, and the heel upper surface processing body 33 constituting the earth work unit 2 are set in a predetermined retreat work state. To do. That is, from the forward working state shown in FIG. 2, the earth working unit 2 is rotated by approximately 180 degrees while changing the position from the right position to the left position.

Then, when the tractor is moved backward in this state, the hail coater 1 moves in the advancing direction (rearward), and the upper surface of the old hail is pre-processed by the hail upper surface processing body 33 as in the forward operation, The soil for paddy coating is cultivated by the embankment body 31 and raised to the main fence, and the soil raised to the former fence is compacted by the paddle forming body 32 to form new ridges.

Further, during non-working such as transporting the coater 1 to a storage place such as a warehouse, the movable machine frame 6 is fixed to the retracted non-working position by the fixing means 50 as shown in FIG. Then, the heel forming body 32 and the heel upper surface processing body 33 are set in a predetermined storage non-working state. At this time, the embankment body 31, the ridge forming body 32, and the heel surface processing body 33 are stored in the rear region of the tractor without protruding to the tractor side. When storing the coater 1 in a storage location, a castered stand 75 is attached to the fitting recess 71 that also serves as one stand holder and the other stand holder 74.

In addition, according to the above-described plastering machine 1, in addition to the fixing means 50 for fixing the movable machine frame 6 at each position, the auxiliary fixing means for assisting the fixing of the movable machine frame 6 to the forward working position by the fixing means 50. Since 70 is provided, rattling of the movable machine frame 6 is unlikely to occur during the forward operation in which the tractor is forwarded by the forward traveling of the tractor, and a stable forward forward application can be achieved.

  In particular, the engagement between the fitting recess 71 and the elastic fitting portion 81 can appropriately assist the fixing of the movable machine frame 6 to the forward working position by the fixing means 50 and can effectively prevent rattling. Since the fitting recess 71 also serves as a stand holder, the fitting recess 71 can be used as a stand holder when not working.

  Further, one end side is connected to the input shaft 17 on the fixed machine frame 4 side provided rotatably on the fixed machine frame 4, and the movable machine frame 6 side provided rotatably on the rear end part of the rotating arm body 5. The power transmission shaft body 45 having the other end connected to the intermediate input shaft 24 is provided, and the input shaft 17, the power transmission shaft body 45, and the intermediate input shaft 24 are all located on substantially the same plane. Therefore, it is not necessary to fold both ends of the power transmission shaft body 45 that transmits the power from the input shaft 17 to the intermediate input shaft 24 at a large folding angle, and it is possible to improve durability and reduce costs.

  For example, the cost can be reduced by providing the single joint portion 48 at the intermediate input shaft side end portion of the transmission shaft portion 46 of the power transmission shaft body 45. Further, for example, even when wide angle constant velocity joint portions are provided at both ends of the transmission shaft portion, durability can be improved because the folding angle is small.

Incidentally, the pre-advance position in the lateral direction of the soil working portion 2 of the working state may be able to adjust the offset.

Furthermore, the hull coater 1 is not limited to the one that moves the movable machine frame 6 by manual operation, and the movable machine frame 6 may be moved by power from a driving means such as a hydraulic cylinder or a motor.

  The auxiliary fixing means 70 is not limited to assisting only the fixing of the movable machine frame 6 to the forward work position by the fixing means 50. For example, in addition to the forward work position, the auxiliary fixing means 70 is fixed and stored in the reverse work position. It may assist fixing to at least one of the non-working positions.

  Further, the auxiliary fixing means 70 is not limited to one in which the fitting recess 71 is provided in the fixed machine frame 4 and the elastic fitting part 81 is provided in the movable machine frame 6. For example, the movable part frame 6 may be provided with a fitting recess 71 in the movable machine frame 6.

It is a top view at the time of advance operation | work of one Embodiment of the plastering machine of this invention. It is a side view of a drape coater same as the above. It is a top view at the time of the storage non-working of the same plastering machine . It is a top view at the time of the reverse operation | work of a wrinkle coating machine same as the above. It is a top view of the auxiliary | assistant fixing means of a dregs coater same as the above. It is a side view of the auxiliary | assistant fixing means of a dregs coater same as the above.

Explanation of symbols

1 畦 coating machine 2 earth working part 4 fixed machine frame 6 movable machine frame
11 Three-point connecting part that is a traveling car connecting part
50 Fixing means
70 Auxiliary fixing means
71 Mating recess
81 Elastic fitting

Claims (2)

A coater that performs paintwork in the earth work part while moving by traveling of a traveling vehicle,
A fixed machine frame having a traveling vehicle connecting portion;
The forward working position where the earth work unit performs the smearing operation based on the forward traveling of the traveling vehicle, the reverse operation position where the earth work unit performs the smearing operation based on the backward traveling of the traveling vehicle, and the earth working unit Is movable to a retracted non-working position located behind the traveling vehicle, and a movable machine frame that supports the earth working unit,
Fixing means for fixing the movable machine frame to each position;
Auxiliary fixing means for assisting fixing of the movable machine frame to the forward working position by the fixing means,
The auxiliary fixing means is
A fitting concave portion provided on either one of the fixed machine frame and the movable machine frame,
Wherein provided on the other of the fixed machine frame and the movable machine frame, ridge, characterized by having said enters the fitting in the recess elastically deformable elastic engagement portion of the fitting recess and the fitting Coating machine . A coater that performs paintwork in the earth work part while moving by traveling of a traveling vehicle,
A fixed machine frame having a traveling vehicle connecting portion;
The forward working position where the earth work unit performs the smearing operation based on the forward traveling of the traveling vehicle, the reverse operation position where the earth work unit performs the smearing operation based on the backward traveling of the traveling vehicle, and the earth working unit Is movable to a retracted non-working position located behind the traveling vehicle, and a movable machine frame that supports the earth working unit,
Fixing means for fixing the movable machine frame to each position;
Auxiliary fixing means for assisting fixing of the movable machine frame to the forward working position by the fixing means,
The auxiliary fixing means is
Provided in the stationary machine frame, a fitting recess which also serves as a stand holder,
Wherein provided on the movable machine frame, rib fill machine characterized in that it comprises a said fitting enters into the recess elastically deformable elastic engagement portion of the fitting recess and the fitting.

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