JP6693708B2 - Work machine - Google Patents

Description

The present invention relates to a work machine. In particular, the present invention relates to a tilling work machine which is mounted on a rear portion of a tractor to cultivate a field.

Such a tilling machine includes, for example, a tilling rotor that rotates a plurality of tilling claws attached to a tilling shaft, and a tilling rotor that is provided behind the tilling rotor to level the tilled soil. There is a scraper working machine having a body and a leveler provided at a rear portion of the ground leveling body, which is rotatably supported in the vertical direction with respect to the ground leveling body and is in contact with the field surface.

Such a scraping work machine plows and flattens the field surface after the tractor (traveling machine) has passed, and the soil on the field surface, which is the work area, is pushed out by the passage of the tire of the tractor. A concave portion (tire mark) may be formed and soil may be biased. Due to the unevenness of the soil due to the tire marks, the leveling work by the scraping work machine may be unsatisfactory.

Therefore, there is known a work machine in which a gravel board is provided on the front side (traveling machine side) of the work machine in the traveling direction. The earth moving plate is a plate-like member that protrudes from the work machine toward the front in the traveling direction, is installed behind the position of the tire of the traveling machine, and is located on the surface of the field formed by passing the tire of the traveling machine. Backfill the soil in the recesses (to bring the soil closer) to alleviate the soil bias.

For example, Patent Document 1 discloses a skid work machine that includes a soil gathering plate for gathering (refilling) soil in a recess formed by the passage of a tire of a tractor. In the earth closing plate disclosed in Patent Document 1, the plate-shaped portion 53 is inclined with respect to the shaft portion 51, and the notch 53c is formed at one corner of the plate-shaped portion 53, so that it is seen in a plan view. It has a substantially rectangular shape with the vertical direction being the longitudinal direction.

JP, 2012-200174, A

However, in the earth closing plate disclosed in Patent Document 1, there is a problem that the amount of the soil to be flushed is insufficient, and the trace erasing performance of bringing the soil to the concave portion such as a tire mark is not sufficient.

The present invention has been made in view of such a problem, and can provide a working machine that can attract a sufficient amount of soil to a concave portion such as a tire trace, and that includes a dusting plate with improved trace erasing performance. With the goal.

A working machine according to an embodiment of the present invention is mounted on a rear portion of a traveling machine body, cultivates a field by advancing along with the forward traveling of the traveling machine body while rotating a tilling rotor, and passes through the traveling machine body to pass through the field surface. A work machine provided with a soil gathering plate capable of attracting soil to a concave portion formed in, wherein the soil gathering plate has a plate-shaped portion for gathering soil, and the plate-shaped portion is mounted on the working machine. In this state, the outer side portion forms an acute angle with a horizontal plane in the traveling direction of the traveling machine body.

Further, in another aspect, in the plate-shaped portion mounted on a work machine, a grounding surface for performing grounding work may form an acute angle with a horizontal plane in a traveling direction of the traveling machine body.

Further, in another aspect, in the plate-shaped portion mounted on a work machine, a grounding surface for performing grounding work may form an acute angle with respect to a vertical plane in the traveling direction of the traveling machine body.

In another aspect, the plate-shaped portion is formed at the outer end of the lower side with linear notches formed at the inner and outer ends of the lower side, respectively, in a state where the plate-shaped portion is mounted on the working machine. The notch may constitute the outer side portion.

Further, in another aspect, the earth gathering plate may include a handle portion extending above the plate-shaped portion.

Moreover, in another aspect, the earth gathering plate may have a convex portion on the earth gathering surface for performing the earth gathering operation.

Further, in another aspect, the earth gathering plates may be provided so as to be adjacent to each other so as to be located on the left and right sides of the recess, and the earth gathering surfaces of the two earth gathering plates face each other.

In another aspect, the tilling rotor includes a large number of working claws, and at least one of the plurality of working claws has a vertical blade portion that is substantially orthogonal to a rotation axis of the tilling rotor and has a straight shape. , The horizontal blade portion extending from the vertical blade portion is a soil pulling claw of a shape substantially orthogonal to the vertical blade portion, the soil pulling claw is provided on the side of the recess, from the vertical blade portion The extended horizontal blade portion may be arranged so as to face the concave portion side.

According to the working machine of the present invention, it is possible to provide a working machine that can bring a sufficient amount of soil to a recess such as a tire mark, and that is provided with a soil gathering plate with improved trace erasing performance.

It is an upper surface figure showing the whole work machine composition concerning one embodiment of the present invention. It is a side view showing the whole working machine composition concerning one embodiment of the present invention. It is a partial explanatory view showing a soil gathering part in the state where it was equipped with a working machine concerning one embodiment of the present invention. 3 (a) is a top view of the soil gathering portion, FIG. 3 (b) is a plan view seen from the direction A of FIG. 3 (a), and FIG. 3 (c) is a plane seen from the direction C of FIG. 3 (a). FIG. 3 (d) is a plan view seen from the direction B in FIG. 3 (a). It is a figure which shows the earth moving board attached to the working machine which concerns on one Embodiment of this invention. FIG. 4A is a side view of the earth gathering plate, and FIG. 3B is a plan view of the earth gathering plate. It is a figure which shows the earth moving board attached to the working machine which concerns on one Embodiment of this invention. FIG. 5 (a) is a side view of the earth moving plate, FIG. 5 (b) is a plan view seen from the direction A of FIG. 5 (a), and FIG. 5 (c) is a plane seen from the direction B of FIG. 5 (a). It is a figure. It is a partial explanatory view showing a soil gathering part in the state where it was equipped with a working machine concerning one embodiment of the present invention. 6 (a) is a top view of the earth moving plate, FIG. 6 (b) is a plan view seen from the direction A of FIG. 6 (a), and FIG. 6 (c) is a plane seen from the direction C of FIG. 6 (a). FIG. 6 (d) is a plan view seen from the direction B in FIG. 6 (a). It is a figure which shows the earth moving board attached to the working machine which concerns on one Embodiment of this invention. FIG. 7 (a) is a side view of the earth gathering plate, and FIG. 7 (b) is a plan view of the earth gathering plate. It is a figure which shows the earth moving board attached to the working machine which concerns on one Embodiment of this invention. FIG. 8 (a) is a side view of the earth moving plate in the embodiment of the present invention, FIG. 8 (b) is a plan view seen from the direction A of FIG. 8 (a), and FIG. 8 (c) is FIG. 5 (a). It is the top view seen from the B direction.

Hereinafter, a working machine according to the present invention will be described with reference to the drawings. However, the working machine of the present invention can be implemented in many different modes, and should not be construed as being limited to the description of the embodiments below. Note that in the drawings referred to in this embodiment, the same portions or portions having similar functions are denoted by the same reference numerals, and repeated description thereof is omitted. Further, for convenience of description, the terms “upper (upper)” and “lower (lower)” will be used, but “upper (upper)” or “lower (lower)” indicates the orientation of the working machine in the working state. Similarly, the terms front (front side) or rear (rear side) will be used, but the front side (front side) indicates the direction of the traveling machine that pulls the work machine with respect to the work machine, and the rear side (rear side) The direction of the work machine with respect to the traveling machine is shown.

<Embodiment 1>
An overall configuration of a working machine and a configuration of a shredding plate according to a first embodiment of the present invention will be described with reference to FIGS. 1 to 4. The working machine according to the first embodiment of the present invention is a working machine that is connected to the rear part of a traveling machine such as a tractor and cultivates or agitates the soil by rotating the working claw, like a tiller or a substitute device. May be. In the first embodiment, the configuration of the present invention will be described by using a scavenger as an example of the working machine. However, the working machine according to the present invention may be a tiller, and is a working machine other than the tiller or the scraper. May be. In particular, in the first embodiment, an example will be described in which the left and right work bodies are provided on both sides of the work machine body in a foldable and deployable manner.

[Configuration of working machine 10]
FIG. 1 is a top view showing the overall configuration of a working machine according to an embodiment of the present invention. Further, FIG. 2 is a side view showing the overall configuration of the working machine according to the embodiment of the present invention. As shown in FIGS. 1 and 2, the work machine 10 according to the first embodiment includes a machine body 5, a work unit 100, an extension work unit 200, a leveler extension unit 510, a rotor unit 600, and a soil gathering unit 700.

The machine body 5 includes a main frame 3 extending in the left-right direction of the work machine, and a transmission frame (chain case) 620 and a side frame 9 are vertically provided at both left and right ends of the main frame 3, and a transmission frame (chain case) 620. A tilling rotor (not shown) having a large number of work claws 610 mounted thereon is rotatably supported between the lower part of the side frame 9 and the side frame 9.

The working unit 100 includes a shield cover 110, a ground leveling body 120, and a leveler 130. The shield cover 110 and the ground leveling body 120 are connected to each other with the connecting portion 122 as a rotational movement axis (rotation axis). Moreover, the ground leveling body 120 and the leveler 130 are connected to each other with the connecting portion 132 as a rotation axis. The ground leveling body 120 suppresses the release of the scattered material scattered by the operation of the rotor unit 600. The leveling body 120 and the leveler 130 level the soil cultivated by the operation of the rotor unit 600 (see FIG. 2). The shield cover 110 is provided at a position that covers the upper side of the rotor unit 600.

The extension work units 200 are provided at both left and right ends of the work unit 100, and can switch between a stored state (not shown) folded above the work unit 100 and a developed state as shown in FIG. It is connected to the working unit 100.

The extension working unit 200 has an extension shield cover 210, an extension ground leveling body 220, and an extension leveler 230, like the working unit 100. The extension shield cover 210 is provided above the work rotor provided corresponding to the extension work part 200 in the rotor part 600 that rotates the work claw 610 (see FIG. 2). The extended ground leveling body 220 is provided on the rear side of the work rotor and is rotatably connected to the extended shield cover 210 about the connecting portion 222 as an axis. The extension leveler 230 is provided on the rear side of the work rotor and is rotatably connected to the extension ground leveling body 220 about the connecting portion 232. The extended ground leveling body 220 is interlocked with the ground leveling body 120, and suppresses the release of scattered materials scattered by the work of the rotor unit 600. Further, the extension leveler 230 interlocks with the leveler 130 to level the soil cultivated by the work of the rotor unit 600.

At the end of the extension leveler 230, a leveler extension portion 510 that can further widen the levelable width is provided. The leveler extension portion 510 is rotatably connected to the extension leveler 230. Further, the leveler expansion portion 510 extends in a direction inclined with respect to the extension direction of the leveler 130 and the extension leveler 230 (has a length).

As shown in FIG. 2, the rotor portion 600 rotatably supports a tilling rotor (not shown) in which a large number of work claws 610 are attached between a transmission frame (chain case) 620 and a lower portion of the side frame 9. Has been done. A large number of work claws 610 attached to the tilling rotor rotate in a predetermined direction by the power transmitted through the transmission mechanism in the transmission frame (chain case) 620, and act on the soil to cultivate or stir the soil. .. In FIG. 2, the range in which the work claw 610 rotates is shown as a rotation range 612.

As shown in FIG. 1, the soil cover 700 is provided on the traveling machine side of the shield cover 110. The earth gathering part 700 has a earth gathering plate 710, a earth gathering plate mounting member 720, a support member 730, a earth gathering part attaching member 740, and a grip 750 (see FIG. 3). When the working machine 10 is used, the soil gathering section 700 is installed in accordance with the position of the wheels of the traveling machine, etc., and alleviates the unevenness of the soil due to the recesses such as ruts.

[Overall structure of earth gathering section 700]
The configuration of the earth gathering portion 700 will be described in detail with reference to FIGS. 3 and 4. First, the overall structure of the earth gathering portion 700 will be described with reference to FIG. FIG. 3 is a partial explanatory view showing the earth pulling portion in a state in which the work implement according to the embodiment of the present invention is mounted. 3 (a) is a top view of the soil gathering portion, FIG. 3 (b) is a plan view seen from the direction A of FIG. 3 (a), and FIG. 3 (c) is a plane seen from the direction C of FIG. 3 (a). FIG. 3 (d) is a plan view seen from the direction B in FIG. 3 (a).

As shown in FIG. 3 (d), the earth gathering plate 710a has a soil gathering surface 760a for gathering soil, and as shown in FIGS. 3 (a) and 3 (b), the earth gathering plate mounting member 720a has the earth gathering surface 760a. It is fixed to the back with an inclination.

Further, as shown in FIG. 3B, a support member 730 is attached by a bolt or the like to the side of the earth retaining plate attachment member 720a opposite to the side fixed to the earth retaining plate 710a. The support member 730 is provided with a plurality of holes 733 arranged vertically.

The earth pulling part attachment member 740 is fitted on the outer side of the support member 730, and the earth pulling part attachment member 740 is provided with a hole 744 for penetrating a lock pin (not shown). The holes 744 provided in the earth gathering part attachment member 740 overlap with the respective positions of the plurality of holes 733 provided in the support member 730 by slidingly moving the earth gathering part attachment member 740 along the vertical direction of the support member 730. Is formed. The earth pulling part attachment member 740 and the support member 730 are penetrated by a lock pin so that both positions of the hole 744 provided in the earth gathering part attachment member 740 are aligned with any position of the hole 733 provided in the support member 730. Be fixed by doing.

In this way, the vertical position of the earth gathering plate 710a with respect to the working machine can be changed depending on which position of the plurality of holes 733 provided in the support member 730 is aligned, and the earth gathering plate 710a can be changed according to the field conditions and the purpose. It is possible to adjust the depth at which 710a acts on the ruts on the surface of the field.

Further, a slide hole 748 formed by a U-shaped bolt 741 and a nut 742 is provided in the earth catching portion mounting portion 740, and the slide hole 748 is a rectangular pipe-shaped frame provided in the shield cover of the working machine 10. It is slidably fitted to the outer periphery and fixed to the working machine 10.

As described above, since the slide hole 748 of the earth gathering portion mounting member 740 is slidably fitted to the outside of the square pipe-shaped frame provided in the shield cover, the earth gathering portion 700a is aligned with the work machine along the frame. In the width direction (direction orthogonal to the traveling direction of the traveling machine).

With this, the position of the shredding plate 710a can be changed in the width direction of the work machine, so that it is possible to cope with various traveling machines having different tire positions and tire widths, and it is appropriate according to the tire of each traveling machine. The earth moving plate 710a can be moved to any position.

[Plan shape of the earth moving plate]
Next, the planar shape of the earth gathering plate will be described with reference to FIG. FIG. 4 is a diagram showing the earth gathering plate included in the earth gathering part shown in FIG. 3. FIG. 4A is a side view of the earth gathering plate, and FIG. 4B is a plan view of the earth gathering plate. As shown in FIG. 4, the earth gathering plate 710a is a thin plate member having a substantially rectangular shape in a plan view. As shown in FIG. 4B, in the earth gathering plate 710a, the whole thereof constitutes a plate-like portion 711 (711a) for gathering the soil.

The earth gathering plate 710a (plate-shaped portion 711a) has a linear notch C11 formed at an end portion on the inner side (downstream side of the soil flow) of the lower side 717a and an outer side of the lower side 717a (earth A linear notch C12 is formed at the end on the upstream side of the flow. The linear notch C12 formed at the outer end of the lower side 717a constitutes a side part 718a corresponding to the outer side surface (see FIG. 3B) of the earth moving plate 710a when mounted on the work machine.

By forming the notch C11 at the inner end of the lower side 717a of the earth gathering plate 710a (plate-like portion 711a), the flow of soil to the inside (recess side) of the earth gathering plate 710a is likely to occur, and the soil is more effectively soiled. Can be sent.

Further, in the planar shape of the earth gathering plate 710a, the angle R11 formed by the upper side 719 and the side portion 718a determines the inclination angle of the side portion 718a. As will be described later, the inclination angle of the side portion 718a in the planar shape of the earth gathering plate 710a is such that the angle formed by the side portion 718 and the horizontal plane in the traveling direction of the traveling machine body when the earth gathering plate 710a is attached to the work machine. It is formed to have a predetermined angle.

In addition, when the earth moving plate 710a (plate-shaped portion 711a) has a small total temperature W11 in the planar shape of the earth closing plate 710a, the amount of soil flowing due to the earth-moving plate 710a (plate-shaped portion 711a) is insufficient, and the mark-erasing performance deteriorates. It turned out to do. The working machine according to the present invention secures a sufficient soil flow rate by increasing the total amount W11 of the earth gathering plate 710a (the plate-shaped portion 711a) as large as possible while avoiding interference with other members. , The mark erasing performance can be improved. Specifically, it is preferable that Zenfuku W11 in FIG. 4B is about 300 mm.

Similarly, in the planar shape of the earth gathering plate 710a, when the lower part W12 of the earth gathering plate 710a (plate-shaped portion 711a) is small, the amount of soil below the earth gathering plate 710a (plate-shaped portion 711a) is insufficient, and the mark eraser is erased. It turned out that the performance deteriorates. In the working machine according to the present invention, the lower part W12 of the earth gathering plate 710a (the plate-shaped part 711a) is made as large as possible while ensuring the specified angle of the side part 718, which will be described later. Can be secured, and the erasing performance can be improved.

[Structure of the earth moving plate 710a in a state where it is mounted on the work machine]
The configuration of the shredding plate 710a in the state of being attached to the working machine will be described again with reference to FIG. Referring to FIG. 3A, in the state where the earth moving plate 710a is mounted on the work machine, the earth moving surface 760a has a vertical plane in the traveling direction of the traveling machine body (direction shown by an arrow D in FIG. 3A). Make an acute angle to. Specifically, in FIG. 3 (a), the earth gathering plate mounting member 720a and the earth gathering plate 710a are arranged so that the angle θ11 formed by the earth gathering surface 760a and the vertical plane in the traveling direction of the traveling machine body is about 45 °. It is tilted and fixed.

On the other hand, when the angle θ11 formed by the earth gathering surface 760a and the vertical plane in the traveling direction of the traveling machine body is about 90 ° (when the earth gathering surface 760a is substantially parallel to the width direction of the work machine). It was found that the soil gathering surface pushes the soil forward, so that the soil stays in front of the soil gathering plate, and a sufficient amount of soil cannot be gathered in the concave portion.

Like the working machine according to the present invention, when the angle θ11 formed by the soil gathering surface 760a and the vertical plane in the traveling direction of the traveling machine body is an acute angle, the soil gathering surface 760a brings the soil to the inside (recess side). It was found that the soil flows along the soil gathering plate 710a inward (concave side) also on the back surface of the soil gathering surface 760a. Thereby, not only on the soil-applying surface 760a side of the soil-applying plate 710a, but also on the back surface of the soil-applying surface 760a, a flow of soil flowing inward (concave side) can be generated, and the soil can be more effectively soiled. It has been found that these effects are better exhibited at a general skimming speed (2 to 5 km / h) associated with traveling of the tractor, particularly when θ11 is about 45 °.

Further, referring to FIG. 3B, in the state where the earth moving plate 710a is mounted on the working machine, the earth moving surface 760a is on the traveling direction of the traveling machine body (the direction indicated by the arrow D in FIG. 3B). Make an acute angle to the horizontal. Specifically, in FIG. 3B, the earth gathering plate mounting member 720a and the earth gathering plate 710a are inclined so that the angle θ12 formed by the earth gathering surface 760a and the horizontal plane in the traveling direction of the traveling machine body is about 60 °. And is fixed.

On the other hand, when the angle θ12 formed by the soil gathering surface 760a and the horizontal plane in the traveling direction of the traveling body is about 90 ° (when the soil gathering surface 760a is substantially vertical), the soil gathering surface moves the soil forward. It was found that the soil was retained in front of the soil plate by pushing it out, and a sufficient amount of soil could not be brought into the recess.

As in the working machine according to the present invention, when the angle θ12 formed by the soil gathering surface 760a and the horizontal plane in the traveling direction of the traveling machine body is an acute angle, the soil gathering surface 760a can push the soil downward, It is possible to generate a flow of soil that draws the bottom of the recess.

As a result, it is possible to prevent the soil from being pushed forward of the soil gathering plate 710a to improve the trace erasing performance, and also to improve the wiping performance of the rice straw or the like in the field into the soil. In particular, it has been found that these effects are better exhibited when θ12 is about 60 °.

Further, referring to FIG. 3B, in the state where the earth moving plate 710a is mounted on the working machine, the side portion 718a forming the notch on the outer side of the lower side is in the traveling direction of the traveling machine body (FIG. 3B). Make an acute angle with the horizontal plane above (the direction indicated by arrow D). Specifically, in FIG. 3B, the planar shape of the earth gathering plate 710a is defined so that the angle θ13 formed by the side portion 718a of the earth gathering plate 710a and the horizontal plane in the traveling direction of the traveling machine body is about 50 °. ing.

On the other hand, when the angle θ13 formed by the side portion 718a and the horizontal plane in the traveling direction of the traveling machine body is about 90 ° (when the side portion 718a is substantially vertical), the outside of the lower side of the earth gathering plate 710a. It was found that the padding performance was insufficient due to the drag of rice straw or the like at the corners.

Like the working machine according to the present invention, when the angle θ13 formed by the side portion 718a and the horizontal plane in the traveling direction of the traveling machine body is an acute angle, dragging of rice straw or the like at the outer corner portion of the lower side of the shredding plate 710a is performed. Can be reduced.

As a result, it is possible to improve the trace erasing performance of the earth gathering plate 710a and also improve the wiping performance of scraping rice straw or the like in the field into the soil. In particular, it was found that these effects are better exhibited when θ13 is about 50 °.

[Combination of earthen board and straight nail (earthen nail)]
Further, among the many work claws 610 attached to the tilling rotor together with the earth moving plate 710a, as the work claws 610 located on the side of the recessed portion such as a tire mark, the vertical blade portion substantially orthogonal to the tillage axis has a straight shape. It is also possible to use a straight claw (earth pulling claw) having a shape in which the horizontal blade extending from the vertical blade is substantially orthogonal to the vertical blade.

At least one straight claw (not shown) is provided on the side of the concave portion such as a tire mark, and the horizontal blade portion extending from the vertical blade portion is arranged so as to face the concave portion. In addition, when the straight claws are arranged on both left and right sides so as to sandwich the concave portion such as the tire mark, the mark erasing performance is further improved.

By using the straight claws together with the shredding plate 710a, the soil shredding plate 710a can be used to move the soil on the surface of the field back into the recesses, and the straight claws can scavenge soil in the lower layer of the field that cannot be moved with the shredding plate 710a. By being able to move, it is possible to further improve the mark erasing performance.

[Distance between the shredding plate and the work claw]
Furthermore, if the distance between the earth gathering plate 710a and the work claw 610 (the distance between the soil gathering plate 710a and the rotation range 612 of the work nail 610) is too short, the soil stays between the earth gathering plate 710a and the work nail 610. However, it was found that the amount of soil backfilled in the recess was insufficient.

In the work machine according to the present invention, the distance between the earth gathering plate 710a and the work claw 610 (distance between the soil gathering board 710a and the rotation range 612 of the work nail 610) is set to about 50 mm, so that the earth gathering plate 710a and the work nail are formed. It is possible to form a good soil flow in which soil does not stay between 610 and 610.

As described above, according to the working machine 10 according to the first embodiment of the present invention, it is possible to bring a sufficient amount of soil to the recessed portion such as a tire mark, and to provide a working machine provided with a rubbed plate with improved erasure performance. can do.

<Modification of Embodiment 1>
A modified example of the work machine 10 described in the first embodiment will be described with reference to FIG. In the following modified examples, the shape of the shredding plate is mainly different from that of the first embodiment.

FIG. 5: is a figure which shows the earth moving board attached to the working machine which concerns on one Embodiment of this invention. FIG. 5 (a) is a side view of the earth moving plate, FIG. 5 (b) is a plan view seen from the direction A of FIG. 5 (a), and FIG. 5 (c) is a plane seen from the direction B of FIG. 5 (a). It is a figure.

As shown in FIG. 5B, on the surface of the earth gathering plate 710b (plate-shaped portion 711b), a convex portion that is convex toward the earth gathering surface 760a side (the plane side viewed from the direction A in FIG. 5A). 712b is formed. As shown in FIG. 5C, a concave portion 714b is formed along the position corresponding to the convex portion 712b on the back surface of the soil gathering surface 760a of the soil gathering plate 710b (plate portion 711b). In FIG. 5B, the convex portion 712b is provided along the direction in which the soil formed by the earth gathering plate 710b (the plate portion 711b) flows.

Since other configurations are the same as those in the first embodiment, repeated description will be omitted.

In the working machine according to the present embodiment, the earth moving plate 710b is formed by forming the convex portion 712b provided along the soil flowing direction on the surface of the earth moving plate 710b (the plate portion 711b). The flow of soil can be assisted, and the rigidity of the soil gathering plate 710b (plate-shaped portion 711b) can be improved as a rib.

<Embodiment 2>
The second embodiment will be described with reference to FIGS. 6 to 7. In the following second embodiment, the shape of the shredding plate is mainly different from that of the first embodiment.

FIG. 6 is a partial explanatory view showing the earth pulling portion in a state where the work implement according to the embodiment of the present invention is mounted. 6 (a) is a top view of the earth moving plate, FIG. 6 (b) is a plan view seen from the direction A of FIG. 6 (a), and FIG. 6 (c) is a plane seen from the direction C of FIG. 6 (a). FIG. 6 (d) is a plan view seen from the direction B in FIG. 6 (a).

FIG. 7: is a figure which shows the earth gathering board contained in the earth gathering part shown in FIG. FIG. 7 (a) is a side view of the earth gathering plate, and FIG. 7 (b) is a plan view of the earth gathering plate.

As shown in FIG. 7B, in the second embodiment, the earth gathering plate 710c has a plate-shaped portion 711c that attracts the soil, and a handle portion 713 that is provided above the plate-shaped portion 711c. The handle portion 713 is formed with a hole 715 for holding the earth pulling plate 710c.

Since the earth gathering plate 710c has the handle portion 713, it is easy and convenient to handle the earth gathering plate 710c when the earth gathering plate mounting member 720c of the earth gathering plate 710c is removed from the support member 730.

Further, in the shape of the plate-shaped portion 711c of the earth gathering plate 710c shown in FIG. 7 (b), there is a part that is slightly different from the earth gathering plate 710a of the first embodiment, but C11, C12, described in the earth gathering plate 710a of the first embodiment, Since R11, W11, and W12 correspond to C21, C22, R21, W21, and W22, respectively, in the earth gathering plate 710c, the description and the operational effect of these configurations are the same as in the first embodiment.

Further, also in the configuration of the earth gathering portion 700c in the state of being attached to the work machine shown in FIG. 6, θ11, θ12, and θ13 described in the earth gathering portion 700a of the first embodiment are respectively changed to θ21, θ22, and θ23 in the earth gathering portion 700c. Since they are equivalent, the description and operational effects regarding these configurations are the same as in the first embodiment.

Although FIG. 6 illustrates only the earth gathering plate 710c and the earth gathering plate mounting member 720c of the earth gathering portion 700c, the earth gathering portion 700c also has the support member 730, the earth gathering portion attaching member 740, and the grip 750 as in the first embodiment. May be.

Since other configurations are the same as those in the first embodiment, repeated description will be omitted.

<Modification of Embodiment 2>
A modified example of the work machine 10 described in the second embodiment will be described with reference to FIG. In the following modified examples, the shape of the shredding plate is mainly different from that of the second embodiment.

FIG. 8: is a figure which shows the earth moving board attached to the working machine which concerns on one Embodiment of this invention. FIG. 8 (a) is a side view of the earth moving plate in the embodiment of the present invention, FIG. 8 (b) is a plan view seen from the direction A of FIG. 8 (a), and FIG. 8 (c) is FIG. 5 (a). It is the top view seen from the B direction.

As shown in FIG. 8B, on the surface of the earth gathering plate 710d (the plate portion 711d), a convex portion that is convex toward the earth gathering surface 760 side (the plane side viewed from the direction A in FIG. 8A). 712d is formed. As shown in FIG. 8C, a concave portion 714d is formed along the position corresponding to the convex portion 712d on the back surface of the soil collecting surface 760 of the soil collecting plate 710d (plate portion 711d). In FIG. 5B, the convex portion 712d is provided along the flowing direction of the soil formed by the earth gathering plate 710d (the plate portion 711d).

Since other configurations are the same as those in the second embodiment, repeated description will be omitted.

In the working machine according to the present embodiment, the earth moving plate 710d (the plate-shaped portion 711d) is formed by the earth moving plate 710d by forming the convex portion 712d provided along the soil flowing direction on the surface thereof. It is possible to assist the flow of soil and improve the rigidity of the earth gathering plate 710d (the plate-shaped portion 711d) as a rib.

Although the present invention has been described above with reference to the drawings, the present invention is not limited to the above-described embodiments, and can be modified as appropriate without departing from the spirit of the present invention.

10: Working machine, 100: Working part, 110: Shield cover, 120: Leveled body, 122, 132: Connection part, 130: Leveler, 200: Extended working part, 210: Extended shield cover, 220: Extended leveled body, 230 : Extension leveler, 510: Leveler expansion part, 700: Earthing part, 710: Earthing plate, 711: Plate part, 712: Convex part, 713: Handle part, 714: Recessed part, 720: Earthing plate mounting member, 730: Support Member, 740: Earth-attaching portion mounting member, 750: Grip, 760: Earth-attaching surface, 600: Rotor portion, 610: Work claw

Claims (7)

It is attached to the rear part of the traveling aircraft,
A tiller plate was provided which was capable of plowing the field by advancing with the forward traveling of the traveling machine while rotating the tilling rotor, and capable of attracting soil to the recess formed on the surface of the field by the passage of the traveling machine. A work machine,
The earth-moving plate has a plate-shaped portion that draws soil,
The plate-shaped portion has linear notches at the inner and outer ends of the lower side, respectively, and the outer side portion with respect to the horizontal plane in the traveling direction of the traveling machine body in a state of being mounted on the working machine. Make an acute angle,
The working machine is characterized in that an inner angle formed by the inner cutout and the lower side is larger than an inner angle formed by the outer cutout and the lower side. 2. The work according to claim 1, wherein the plate-shaped portion, when mounted on a work machine, has a grounding surface on which a grounding work is performed which forms an acute angle with a horizontal plane in a traveling direction of the traveling machine body. Machine. The plate portion, in a state of being mounted on the work vehicle, earthing up surface to perform earthing up work, to claim 1 or 2, characterized in that an acute angle to the vertical plane on the traveling direction of the traveling machine body The work machine described. The work machine according to any one of claims 1 to 3 , wherein the earth gathering plate includes a handle portion extending above the plate-shaped portion. The work machine according to any one of claims 1 to 4 , wherein the earth gathering plate has a convex portion on the earth gathering surface for performing the earth gathering work. The earthing up plate, the provided two adjacently so as to be located on the left and right of the concave portion, any one of claims 1 to 5, characterized in that the earthing up surface of the two earthing up plates face each other Work machine described in one. The tiller rotor has a large number of working claws,
In at least one of the plurality of work claws, a vertical blade portion that is substantially orthogonal to the rotation axis of the tilling rotor has a straight shape, and a horizontal blade portion that extends from the vertical blade portion has the vertical blade portion. It is a clay clasp with a shape that is substantially orthogonal to
The earthing up pawl any of claims 1 to 6, characterized in that the transverse cutting unit that extends from the longitudinal edge portion on the side of the recess is disposed such that the concave side 1 Work machine described in one.

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