JP7144364B2 - Soil sampling device - Google Patents

Description

TECHNICAL FIELD The present invention relates to a soil sampling device for sampling soil such as a field.

Conventionally, a soil sampling device disclosed in Patent Document 1 is known.
The soil sampling device disclosed in Patent Document 1 includes a truck towed by a rotary tiller, and a soil sampling container placed on a base plate of the truck. This soil-collecting device can collect the scattered earth and sand plowed by the tillage tines of the rotary tiller into a soil-collecting container.

Japanese Utility Model Publication No. 58-3441 JP-A-2002-286593

However, in the soil sampling device disclosed in Patent Document 1, since the soil raked up by the rotary tiller is sampled into a soil sampling container placed on the ground, it is impossible to sample the soil at a desired depth. Can not. On the other hand, as a device for collecting soil at a desired depth, for example, the device disclosed in Patent Document 2 is known. However, it is difficult to collect soil efficiently with such a device.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a soil sampling apparatus capable of efficiently sampling soil at a desired depth.

A soil sampling apparatus according to an aspect of the present invention is a soil sampling apparatus attached to a traveling body, and includes a rotating body that rotates about a horizontal axis extending in a width direction of the traveling body as the traveling body travels. and a collecting part that intermittently penetrates into the soil and collects soil by rotating together with the rotating body , wherein the collecting part includes a plurality of collecting parts that are arranged side by side in a circumferential direction around the horizontal axis. section, wherein the plurality of sampling sections are at different distances from the horizontal axis .
A soil sampling apparatus according to an aspect of the present invention is a soil sampling apparatus attached to a traveling body, and includes a rotating body that rotates about a horizontal axis extending in a width direction of the traveling body as the traveling body travels. a collecting part that intermittently penetrates into the soil by rotating together with the rotating body to collect soil; and a receiving part that receives the soil collected by the collecting part, the receiving part a second rotating body rotatable about a second horizontal axis parallel to the axis and rotating about the second horizontal axis corresponding to the rotation of the rotating body; a receiving device for moving to a receiving position capable of receiving soil.
A soil sampling apparatus according to an aspect of the present invention is a soil sampling apparatus attached to a traveling body, and includes a rotating body that rotates about a horizontal axis extending in a width direction of the traveling body as the traveling body travels. and a collecting part that rotates together with the rotating body to intermittently penetrate into the soil and collect the soil, wherein the running body is a tractor, and the rotating body is provided at the rear of the tractor. mounted on the side frame of a rotary tiller .
Preferably, the rotating body has a plurality of grounding bodies arranged side by side in a circumferential direction around the horizontal axis and capable of being grounded, and the plurality of grounding bodies are sequentially grounded as the running body travels. rotate by

Preferably, the receiving section has a container for containing the soil received by the receiving tool, and the container is detachably attached to the second rotary body and is located at the receiving position. receives soil from
Preferably, the container has a plurality of storage sections partitioned by partition walls, and the plurality of storage sections can receive soil from the receiving tool at the receiving position as the second rotating body rotates. sequentially move to a suitable receiving position.

Preferably, the receiving part has a cover that opens the receiving part at the receiving position toward the receiving tool and closes the receiving part at a position other than the receiving position.
Preferably, the soil sampling device includes a picking tool for picking up the soil picked up by the collecting part, the collecting part being a cylindrical body that intermittently penetrates into the soil as the rotating body rotates, The extractor pushes the soil collected in the collecting part toward the receiving position.

According to the above soil sampling device, since it is equipped with a sampling section that intermittently penetrates the soil and samples the soil by rotating as the traveling body travels, the soil can be efficiently harvested from a desired depth. can be collected.

FIG. 4 is a side view showing the soil sampling device attached to the rotary tiller on the rear portion of the traveling body; Fig. 3 is a side view showing a rotating body, a sampling part, etc. of the soil sampling device; Fig. 3 is a partial cross-sectional rear view showing a rotating body, a sampling part, etc. of the soil sampling device; It is a partial cross-sectional rear view which shows an extraction tool. FIG. 10 is a diagram showing the movement of the picking tool and the picking tool accompanying the rotation of the rotating body; It is a side view which shows a soil sampling apparatus. FIG. 4 is a partial cross-sectional side view showing a second rotating body, a receiving tool, and a container; FIG. 10 is a diagram showing movements of the takeout tool, the picking part, and the receiving tool; FIG. 10 is a diagram showing a process of moving soil from the first collection part to the storage part via the long receiving tool; FIG. 10 is a diagram showing a process of moving soil from the first collection part to the storage part via the long receiving tool; FIG. 10 is a diagram showing a process of moving soil from the first collection part to the storage part via the long receiving tool; FIG. 10 is a diagram showing a process of moving soil from the second collection part to the storage part via the short receiving tool; FIG. 10 is a diagram showing a process of moving soil from the second collection part to the storage part via the short receiving tool;

A preferred embodiment of a soil sampling device according to the present invention will be described below.
FIG. 1 is a side view showing a soil sampling device 1 according to the invention.
In the following description, the direction of arrow X1 in FIG. 1 is referred to as the front, the direction of arrow X2 is referred to as the rear, and the direction of arrow X is referred to as the front-rear direction. A horizontal direction (perpendicular to the paper surface) orthogonal to the front-rear direction X is referred to as a device width direction Y (see FIG. 3).

As shown in FIG. 1, the soil sampling device 1 is attached to the traveling body 2. As shown in FIG. The soil sampling device 1 samples soil by moving together with the traveling body 2 . In the case of this embodiment, the traveling body 2 is a tractor. Although the traveling body 2 is not limited to a tractor, the traveling body 2 is assumed to be the tractor 2 in the following description. The front side of the driver sitting on the driver's seat 3 of the tractor 2 is the front side, and the rear side of the driver is the rear side. Further, the width direction of the tractor 2 is the device width direction.

The tractor 2 is equipped with a ground working machine 4 for working (agricultural work) on a field. A soil sampling device 1 is attached to the ground working machine 4 . In the case of this embodiment, the ground working machine 4 is a rotary tiller. Although the ground working machine 4 is not limited to a rotary tiller, the ground working machine 4 is assumed to be a rotary tiller 4 in the following description. In the case of this embodiment, the soil sampling device 1 is indirectly attached to the traveling body 2 via the rotary tiller (ground working machine) 4, but the soil sampling device 1 is directly attached to the traveling body 2. You may

As shown in FIG. 1, the rotary tiller 4 is attached to the rear portion of the tractor 2 via a link mechanism 5 so as to be able to move up and down. The rotary tiller 4 has a frame body 6 and side frames 7 . The frame body 6 is connected to the rear portion of the tractor 2 via the link mechanism 5 . The frame body 6 accommodates a rotating shaft 8 extending in the device width direction. Side frames 7 are attached to the left and right sides of the frame body 6, respectively.

An input shaft 9 protrudes forward from the center of the frame body 6 in the device width direction. The input shaft 9 is connected to a PTO shaft 10 projecting from the rear portion of the tractor 2 via a connecting member (not shown) such as a universal joint. Power from a prime mover (engine or the like) of the tractor 2 is input to the input shaft 9 from the PTO shaft 10 via a connecting member. The power input to the input shaft 9 is
The power is transmitted to the pawl shaft 12 via a power transmission mechanism such as a gear mechanism housed in the transmission case 11, and the pawl shaft 12 rotates. The pawl shaft 12 rotates around an axis extending in the width direction of the device. A tillage tine 13 is attached to the tine shaft 12 . The tillage tines 13 rotate together with the tine shaft 12 in the arrow A1 direction to till the soil. A tilling section 14 is constituted by the claw shaft 12 and the tilling claw 13 .

As shown in FIGS. 1 to 3, the soil sampling device 1 has a rotor 15 and a sampling section 16. As shown in FIGS.
The rotating body 15 is attached to the rotary tiller 4 . Specifically, the rotor 15 is attached to the side frame 7 . Specifically, the rotating body 15 is attached to the lower portion of the outer surface of the side frame 7 (the right side surface of the right side frame). As shown in FIG. 3, a shaft support portion 18 protrudes from the lower portion of the outer surface of the side frame 7 . A rotating shaft 19 is rotatably supported by the shaft support portion 18 . The rotary shaft 19 is cylindrical and supported by a shaft support portion 18 via bearings 17 . The rotating shaft 19 extends outward (to the right) in the width direction of the device. The rotary shaft 19 is rotatable around a horizontal shaft 20 extending in the device width direction. A horizontal axis 20 is the axis of the rotating shaft 19 .

As shown in FIG. 3, the rotating shaft 19 is arranged on the same axis as the pawl shaft 12, but is not connected to the pawl shaft 12 and is independent. The rotary shaft 19 rotates independently of the rotation of the pawl shaft 12 (without using power from the prime mover of the tractor 2).
The rotating body 15 has a rotating portion 21 and a grounding body 22 .
The rotating part 21 is attached to the end (right end) of the rotating shaft 19 . As shown in FIG. 3, one surface of the rotary unit 21 faces one side in the device width direction (the tillage unit 14 side), and the other surface faces the other side in the device width direction (the side opposite to the tillage unit 14). placed facing. The rotating part 21 is rotatable around the horizontal axis 20 together with the rotating shaft 19 .

As shown in FIG. 2 , the rotating portion 21 has a base portion 23 and a projecting portion 24 . The base 23 has a circular shape when viewed from the side, and the rotating shaft 19 is attached to the center. The protrusion 24 protrudes in a direction away from the center of the base 23 (the position of the horizontal axis 20). The projecting portion 24 includes a first projecting portion 24A and a second projecting portion 24B. The first projecting portion 24A and the second projecting portion 24B project in opposite directions. The distance between the tip of the second projecting portion 24B and the horizontal axis 20 (the center of rotation of the rotor 15) is greater than the distance between the tip of the first projecting portion 24A and the horizontal axis 20.

In the case of this embodiment, the number of protrusions is two. However, the number of projecting portions 24 can be changed according to the number of sampling portions 16 . When three or more protrusions 24 are provided, the distance between the tip of each protrusion 24 and the horizontal axis 20 can be different from each other. However, the rotating part 21 may be circular without the projecting part 24 . Further, in the case of the present embodiment, the rotating part 21 is a plate-like member (rotating plate), but it may be a member having another shape such as a tire shape or a cylindrical shape.

As shown in FIG. 2 , the grounding member 22 is attached to the rotating portion 21 . The grounding member 22 is attached to the other surface of the rotating portion 21 (the surface opposite to the tilling portion 14). The grounding body 22 includes a plurality of grounding bodies 22 . The grounding bodies 22 are arranged side by side in the circumferential direction around the horizontal axis 20 . The intervals between adjacent grounding bodies 22 are equal. The grounding member 22 is arranged between the first projecting portion 24A and the second projecting portion 24B in the circumferential direction around the horizontal axis 20 . Ground bodies 22 extend radially away from transverse axis 20 . The grounding member 22 is cylindrical and has a conical tip. The plurality of grounding bodies 22 have the same distance between the tips of the grounding bodies 22 and the horizontal axis 20 . The plurality of grounding bodies 22 can be grounded sequentially with the rotation of the rotating body 15, and the tips of the grounding bodies 22 stick into the ground G1 when grounded.

As the tractor 2 travels, the rotating body 15 rotates in the direction of arrow A2 (see FIG. 2) as the plurality of grounding bodies 22 successively touch the ground. As a result, the rotating body 15 can be rotated without requiring a drive source (such as a motor) for rotation. When the tractor 2 stops traveling, the rotating body 15 stops rotating because the plurality of grounding bodies 22 cannot be sequentially grounded.
As shown in FIGS. 1 to 3, the collecting part 16 is attached to the rotating body 15. As shown in FIG. Specifically, the harvesting unit 16 is attached to one surface of the rotating unit 21 (the surface on the tillage unit 14 side). The collecting part 16 intermittently penetrates into the soil and collects the soil by rotating together with the rotating body 15 .

The sampling unit 16 includes a plurality of sampling units (first sampling unit 16A, second sampling unit 16B). A plurality of sampling portions 16 (first sampling portion 16A, second sampling portion 16B) are arranged side by side in the circumferential direction around the horizontal axis 20 . In the case of this embodiment, the number of sampling units 16 is two, but the number of sampling units 16 may be one or three or more. In the case of the present embodiment, there are two sampling units 16: a first sampling unit 16A and a second sampling unit 16B.

The first collecting portion 16A and the second collecting portion 16B are arranged with an interval of 180° in the circumferential direction around the horizontal axis 20 . In other words, the first picking portion 16A and the second picking portion 16B are arranged opposite to each other with the horizontal axis 20 interposed therebetween. The first collecting portion 16A is attached to the first projecting portion 24A. The second collecting portion 16B is attached to the second projecting portion 24B. The distance from the horizontal axis 20 differs between the first sampling portion 16A and the second sampling portion 16B. Specifically, the distance from the horizontal axis 20 to the second sampling portion 16B is longer than the distance from the horizontal axis 20 to the first sampling portion 16A. In FIG. 2 and the like, when the rotating body 15 rotates, the trajectory drawn by the first collecting portion 16A is indicated by a virtual circle C1, and the trajectory drawn by the second collecting portion 16B is indicated by a virtual circle C2.

When there are three or more sampling portions 16, each sampling portion 16 is attached to the three or more projecting portions described above so that the distances from the horizontal axis 20 to the sampling portions 16 are different from each other. can do.
The distance between the tip of the collecting portion 16 and the horizontal axis 20 is longer than the distance between the tip of the grounding member 22 and the horizontal axis 20 . As a result, when the rotating body 15 rotates due to the plurality of grounding bodies 22 sequentially grounding, the tip of the extracting part 16 can penetrate into the soil.

The collecting part 16 is a cylindrical body that intermittently penetrates into the soil as the rotating body 15 rotates. A cylindrical body that constitutes the collecting portion 16 is cylindrical, and both ends (the distal end and the proximal end) are open. The tip of the collecting portion 16 is pointed at an acute angle (see FIG. 3). The tip of the first collecting portion 16A protrudes outward (in the direction away from the horizontal shaft 20) from the first protruding portion 24A. The tip of the second collecting portion 16B protrudes outward (in the direction away from the horizontal shaft 20) from the second protruding portion 24B. As shown in FIG. 2, the direction of the central axis 16A1 of the cylindrical body forming the first collecting portion 16A and the direction of the central axis 16B1 of the cylindrical body forming the first collecting portion 16A are substantially parallel. The central axes 16A1 and 16B1 are inclined with respect to the radial direction of the rotor 15 (the radial direction of the virtual circles C1 and C2).

The first collecting portion 16A and the second collecting portion 16B invade the soil sequentially as the rotating body 15 rotates. As a result, the plurality of collecting parts 16 intermittently intrude into the soil. Since the first sampling part 16A and the second sampling part 16B are cylindrical bodies with open ends, the soil is taken into the inside from the tips by penetrating into the soil. By subsequently rotating, the first sampling part 16A and the second sampling part 16B separate from the soil with the soil taken therein.

As a result, the soil is collected inside the tubular body that constitutes the first collecting portion 16A and the second collecting portion 16B. Since the first sampling portion 16A and the second sampling portion 16B are at different distances from the horizontal axis 20, they can sample soil at different depths. Specifically, the second collecting portion 16B can collect soil at a deeper position than the first collecting portion 16A.
Further, since the rotating body 15 is attached to the side frame 7 , the soil can be collected by the collecting section 16 without being affected by the tilling by the tilling section 14 . In other words, the collecting unit 16 can collect the soil from the portion not tilled by the tilling unit 14 .

As shown in FIGS. 1 to 3, the soil sampling device 1 includes a picking tool 25 for picking up the soil picked up by the sampling section 16. As shown in FIGS. The extractor 25 is attached to the rotating body 15 . Specifically, the take-out tool 25 is attached to one surface of the rotary unit 21 (the surface on the tilling unit 14 side). The extractor 25 rotates around the horizontal axis 20 together with the rotating body 15 . The takeout tool 25 includes a plurality of takeout tools (first takeout tool 25A, second takeout tool 25B). The number of takeout tools 25 matches the number of collection units 16 . In the case of this embodiment, since the number of collecting units 16 is two, the number of extractors 25 is also two.

As shown in FIG. 4, the extractor 25 has a cylinder 251, a rod 252 and a spring 253. As shown in FIG. The cylinder 251 is a cylinder with both ends open. The rod 252 is inserted inside the cylinder 251 and can move back and forth along the length direction of the cylinder 251 . The rod 252 is cylindrical and has an outer diameter equal to or slightly smaller than the inner diameter of the collecting portion 16 . The tip of the rod 252 is sharply pointed. The shape of the tip of the rod 252 corresponds to the shape of the tip of the collecting portion 16 . A tip of the rod 252 protrudes from the cylinder 251 . A flange 254 is provided in the middle of the rod 252 in the length direction. The collar portion 254 is arranged inside the cylinder 251 .

One end of the cylinder 251 is provided with a detent 255 for preventing the rod 252 from rotating around the axis. The anti-rotation portion 255 has a non-circular (oval) inner cross-section, and the outer shape of the rod 252 corresponding to the anti-rotation portion 255 is similarly non-circular.
An annular plate 256 is fixed inside the other end of the cylinder 251 . A spring 253 is interposed between the annular plate 256 and the collar portion 254 . The spring 253 biases the rod 252 in a direction (shortening direction) in which the amount of protrusion from the cylinder 251 decreases. When a pressing force (see arrow A3) acts on the base end portion 252a of the rod 252, the spring 253 contracts, and the rod 252 moves in a direction (extending direction) in which the amount of protrusion from the cylinder 251 increases (see arrow A4). ).

As shown in FIG. 2, the axial center 25A1 of the rod 252 of the first extraction tool 25A is on the extension line of the central axis 16A1 of the cylindrical body forming the first collecting portion 16A. The axis 25B1 of the rod 252 of the second extractor 25B is on the extension line of the central axis 16B1 of the cylindrical body forming the second picking section 16B. As a result, when the rod 252 moves in the extension direction, it penetrates into the cylindrical body that constitutes the collecting portion 16 and pushes out the collected soil inside the cylindrical body (see arrow A4 in FIG. 3).

As shown in FIG. 4, a roller member 26 is attached to the proximal end portion 252a of the rod 252. As shown in FIG. The roller member 26 is cylindrical. In the case of this embodiment, the roller members 26 are composed of bearings. The roller member 26 is supported by a shaft body 27 projecting from a base end portion 252a of the rod 252 toward one side (the tillage section 14 side) in the device width direction, and is rotatable around the shaft body 27 . When force is applied to the roller member 26, the rod 252 is moved in the extension direction (arrow A4 direction in FIG. 2) by applying a pressing force (see arrow A3) to the base end portion 252a.

As shown in FIGS. 2 and 3, a guide member 28 is attached to the side frame 7 . The guide member 28 is a member that guides the motion of the roller member 26 . The guide member 28 is fixed to the side edge of the side frame 7 . As shown in FIG. 3 , the guide member 28 protrudes from the other surface of the side frame 7 toward the other side in the width direction of the apparatus (rotating portion 21 side). As shown in FIG. 2 , the guide member 28 is formed of a plate member bent in a V shape when viewed from the side, and the inner surface of the V shape serves as a guide surface for the roller member 26 .

Here, the action (operation) of the extractor 25 will be described.
When the rotating body 15 rotates in the direction of the arrow A2 from the state shown in FIG. 2, the first picking section 16A, the second picking section 16B, the first extractor 25A, and the second extractor 25B also rotate in the direction of the arrow A2. Then, the soil is first collected by the first collecting section 16A. After collecting the soil, the first collecting part 16A continues to rotate in the direction of the arrow A2. Similarly, the second picking part 16B, the first takeout tool 25A, and the second takeout tool 25B also continue to rotate in the arrow A2 direction.

When the first takeout tool 25A continues to rotate together with the rotating body 15, the roller member 26 hits the guide member 28. As shown in FIG. In FIG. 5, the initial position of the roller member 26 when it hits the guide member 28 is indicated by B1. A virtual circle C1 in FIG. 5 indicates the trajectory of the movement of the first sampling part 16A accompanying the rotation of the rotating body 15. As shown in FIG.
When the rotating body 15 rotates further, the roller members 26 are guided along the guide member 28 and sequentially move to positions indicated by symbols B2, B3, B4 and B5. As a result, the roller member 26 is pushed by the guide member 28, and the rod 252 moves in the extending direction.

In FIG. 5, when the roller member 26 is at the position indicated by symbol B1, the rod 252 is at the position indicated by symbol F1, and the first extraction portion 16A is at the position indicated by symbol E1. Similarly, when the roller members 26 are at the positions indicated by symbols B2, B3, B4 and B5, the rod 25
2 are located at positions indicated by symbols F2, F3, F4, and F5, respectively, and the first sampling units 16A are located at positions indicated by symbols E2, E3, E4, and E5, respectively.

When the rod 252 moves in the extending direction, the tip of the rod 252 enters the inside of the tubular body that constitutes the first collecting portion 16A and pushes out the soil contained inside the tubular body. When the roller member 26 reaches the position indicated by reference numeral B5, all the soil stored inside the cylindrical body is pushed out.
When the rotor 15 rotates further after the roller member 26 reaches the position indicated by reference numeral B5, the roller member 26 is disengaged from the guide member 28. As shown in FIG. Therefore, the state of being pushed by the guide member 28 is released, and the rod 252 is moved in the contraction direction by the biasing force of the spring 253 and separated from the first collection portion 16A.

Further, although not shown, when the rotating body 15 rotates further, the roller member 26 of the second extractor 25 hits the guide member 28, and the rod 252 moves in the extending direction, thereby forming the second collecting portion 16B. The soil accommodated inside the cylindrical body is pushed out.
The above operation is repeated by the continuation of the rotation of the rotary body 15, and the first extractor 25A pushes out the soil sampled by the first sampling unit 16A, and the second sampling unit 16B pushes out the soil sampled by the second sampling unit 16B. 2. The operation of being pushed out by the ejector 25B is alternately performed.

As shown in FIGS. 1, 6, and 7, the soil sampling device 1 includes a receiving section 40 that receives the soil sampled by the sampling section 16. As shown in FIGS. The receiving part 40 receives the soil that is pushed out from the collecting part 16 by the removing tool 25 after being collected by the collecting part 16 .
The receiving part 40 has a second rotating body 41 , a receiving tool 42 and a container 43 .
The second rotor 41 is supported by a support frame 29 attached to the side frame 7 . The support frame 29 is fixed to the side frame 7 . The support frame 29 extends rearward and downward from the side frame 7 .

A support shaft 30 is provided at the lower end of the support frame 29 . The support shaft 30 extends in the device width direction. The axis of the support shaft 30 (second horizontal axis 31) is parallel to the axis of the rotating shaft 19 (horizontal axis 20). A second rotor 41 is supported by the support shaft 30 via a bearing 32 . Thereby, the second rotating body 41 is rotatable around the support shaft 30 parallel to the rotation shaft 19 (around the second horizontal shaft 31 parallel to the horizontal shaft 20). The second rotating body 41 rotates around the second horizontal axis 31 corresponding to the rotation of the rotating body 15 . As shown in FIG. 6 , the rotation direction A5 of the second rotor 41 is opposite to the rotation direction A2 of the rotor 15 . The outer shape of the second rotor 41 is circular, and the support shaft 30 is positioned at the center of the circle.

As shown in FIGS. 1, 6, and 7, the receiving tool 42 is attached to the second rotating body 41 and rotates together with the second rotating body 41 around the second horizontal shaft 31 (around the support shaft 30). . The receiving tool 42 has a cylindrical shape and is open at both ends. The tip of the receiving tool 42 is obliquely cut. The receiver 42 includes a plurality of receivers 42 . As shown in FIG. 7 , the plurality of receiving tools 42 are arranged side by side at equal intervals along the circumferential direction of the second rotating body 41 . A plurality of receiving tools 42 protrude radially from the outer periphery of the second rotating body 41 .

The plurality of receivers 42 includes long receivers 42A and short receivers 42B. The length of the long receiving tool 42A is longer than the length of the short receiving tool 42B. The long receiving tools 42A and the short receiving tools 42B are alternately arranged in the circumferential direction of the second rotating body 41 . The long receiving tool 42 receives the soil collected by the first collecting portion 16A. The short receiving tool 42 receives the soil collected by the second collecting section 16B.

One of the plurality of receiving tools 42 (indicated by reference numeral J1 in FIG. 7) is positioned at a receiving position P1 capable of receiving the soil pushed out from the collecting section 16 by the removing tool 25 . As shown in FIGS. 6 and 7, the receiving position P1 is on the front side of the second rotating body 41 (on the rotating body 15 side). At the receiving position P1, the receiving tool 42 is inclined so that the opening (receiving opening 42a) of the notched tip moves upward toward the front (see FIG. 7).

The plurality of receiving tools 42 sequentially move to the receiving position P1 as the second rotating body 41 rotates. In the example shown in FIG. 7, after the long receiving tool 42A, the short receiving tool 42B (indicated by reference numeral J2 in FIG. 7) adjacent to the long receiving tool 42A moves to the receiving position P1. Next to the short receiving tool 42B, the long receiving tool 42A (indicated by reference numeral J3 in FIG. 7) adjacent to the short receiving tool 42B moves to the receiving position P1.

The container 43 accommodates the soil received by the receiver 42 . The container 43 is detachably attached to the second rotating body 41 . The container 43 rotates together with the second rotating body 41 . However, the container 43 may be attached to the spindle 30 via the bearing 32 . In this case, the container 43 rotates together with the outer ring of the bearing 32 and can be attached to and detached from the bearing 32 .
As shown in FIG. 7, the container 43 has a plurality of storage sections 45 partitioned by partition walls 44 . The container 43 is formed in an annular shape, and the plurality of accommodating portions 45 are arranged in a circle around the support shaft 30 . The number of receiving parts 45 is the same as that of receiving tools 42 . Each housing portion 45 is arranged at a position corresponding to the base end portion of each receiving tool 42 .

The container 43 receives soil from the receiver 42 at the receiving position P1. Specifically, one storage portion 45A of the plurality of storage portions 45 of the container 43 is moved from the receiving tool 42 (indicated by reference numeral J1 in FIG. 7) at the receiving position P1 to the receiving position P2 where soil can be received. Yes, receiving soil from a receiving tool 42 at a receiving position P2.
As the container 43 rotates together with the second rotating body 41, the plurality of storage portions 45 are sequentially moved from the receiving tool 42 at the receiving position P1 to the receiving position P2 where the soil can be received. In the example shown in FIG. 7, after the accommodation portion 45A, the accommodation portion 45B adjacent to the accommodation portion 45A moves to the receiving position P2. In addition, after the accommodating portion 45B, the accommodating portion 45C adjacent to the accommodating portion 45B moves to the receiving position P2.

As shown in FIG. 7, the receiver 40 has a cover 46 . The cover 46 has a shape in which a part of an annular ring is cut away. The cover 46 is arranged along the outer peripheral surface of the container 43 . The cover 46 is arranged at a position where the notched portion 46a corresponds to the receiving portion 45A at the receiving position P2. In other words, the cover 46 opens the accommodating portion 45A at the receiving position P2 among the plurality of accommodating portions 45 toward the receiving tool 42, and opens the accommodating portion (accommodating portion other than the accommodating portion 45A) at a position other than the receiving position P2. ) are closed. As a result, only the container portion 45A located at the receiving position P2 among the plurality of container portions 45 can receive the soil from the receiving tool .

The cover 46 is fixed to the support frame 29 directly or indirectly via another member and does not rotate. Therefore, the notched portion of the cover 46 is always in the same position. Specifically, the cutout portion of the cover 46 is always located at the portion corresponding to the receiving position P2.
The action (operation) of the receiving section 40 will be described below with reference to FIGS. 8 to 13. FIG. 8 to 13 show only a portion of the receiving tool 42 necessary for explanation.

FIG. 8 is a diagram in which movement of the receiving part 40 is added to FIG. As shown in FIG. 8, movement of the takeout tool 25 and movement of the receiving portion 40 are interlocked.
First, as shown in FIG. 8, when the first takeout tool 25A is at the position indicated by D1 and the first collecting part 16A is at the position indicated by E1, the first collecting part 16A is removed from the long receiving tool 42A. in a distant position. At this time, the first extraction tool 25A has not entered the first sampling portion 16A, and the soil S1 is stored in the first sampling portion 16A. Also, the long receiving tool 42A is at the position indicated by reference numeral J4.

Next, as the rotating body 15 rotates, as shown in FIG. 8, when the first takeout tool 25A moves to the position indicated by D2 and the first extraction part 16A moves to the position indicated by E2, The first collecting portion 16A hits the tip of the long receiving tool 42A at the position indicated by reference numeral J4. At this time, the first extraction tool 25A has not entered the first sampling portion 16A, and the soil S1 is stored in the first sampling portion 16A.

Subsequently, as the rotating body 15 is further rotated, the first extractor 25A moves to the position indicated by D3, and the first picking section 16A moves to the position indicated by E3, as shown in FIG. As a result, the first collecting portion 16A pushes up the long receiving tool 42A to the position indicated by reference numeral J5 while entering the long receiving tool 42A. As a result, the second rotating body 41 starts rotating in the arrow A5 direction. At this time, as shown in FIG. 9, the first extracting tool 25A has started to enter the first collecting section 16A. Therefore, the pushing out of the soil S1 from the first collecting portion 16A is started. The extruded soil S1 is guided into the long receiver 42A. At this time, the receiving portion 45A at the position corresponding to the long receiving tool 42A to which the soil S1 is guided is not at the receiving position P2 and is substantially closed by the cover 46. As shown in FIG.

Subsequently, as the rotating body 15 is further rotated, the first extractor 25A moves to the position indicated by D4, and the first picking section 16A moves to the position indicated by E4, as shown in FIG. As a result, the first collecting portion 16A further intrudes into the long receiving tool 42A and further pushes up the long receiving tool 42A to the position indicated by reference numeral J6. As a result, the second rotating body 41 further rotates in the arrow A5 direction. At this time, as shown in FIG. 10, the first removal tool 25A further intrudes into the first collecting portion 16A, and the pushing out of the soil S1 from the first collecting portion 16A is continued. The extruded soil S1 is guided into the long receiver 42A. At this time, the receiving portion 45A located at the position corresponding to the long receiving tool 42A is not at the receiving position P2, and the lower portion thereof is closed by the cover 46. As shown in FIG.

Subsequently, as the rotating body 15 is further rotated, the first extractor 25A moves to the position indicated by D5, and the first picking section 16A moves to the position indicated by E5, as shown in FIG. As a result, the first collecting portion 16A further penetrates the long receiving tool 42A and pushes up the long receiving tool 42A further to the position indicated by reference numeral J7. As a result, the second rotor 41 further rotates in the direction of the arrow A5, and the elongated receiver 42A inclines so that the base end is located below the tip end. At this time, as shown in FIG. 11, the first extraction tool 25A further enters the first collecting portion 16A, and the pushing out of the soil from the first collecting portion 16A is completed. The soil S1 pushed out and guided into the long receiving tool 42A slides down along the slope of the long receiving tool 42A. At this time, the accommodating portion 45A at the position corresponding to the long receiving tool 42A is at the receiving position P2 and is not closed by the cover 46 and is open toward the long receiving tool 42A. Therefore, the soil S1 that has slid down along the slope of the long receiving tool 42A is stored in the storage portion 45A.

Subsequently, when the rotating body 15 rotates further, the second collecting portion 16B hits the tip of the short receiving tool 42B adjacent to the long receiving tool 42A (see FIG. 12) and pushes up the short receiving tool 42B. As a result, the second rotating body 41 further rotates in the arrow A5 direction. Then, as shown in FIG. 13, when the containing portion 45B at the position corresponding to the short receiving tool 42B moves to the receiving position P2, the soil S1 pushed out from the second collecting portion 16B by the second removing tool 25B is It slides down along the slope of the short receiving tool 42B and is stored in the storage part 45B. At this time, since the containing portion 45A in which the soil S1 has already been contained is closed by the cover 46, it is possible to prevent the soil contained in the containing portion 45A from spilling.

By repeating the above operations, the soil pushed out from the first collecting portion 16A by the first removal tool 25A is stored in the storage portion 45 via the long receiving tool 42A, and the second extraction tool 25B performs the second extraction. 2. An operation in which the soil extruded from the collecting portion 16B is stored in the storage portion 45 via the short receiving tool 42B is alternately performed. After the soil is stored in all the storage portions 45 , the container 43 is removed from the second rotating body 41 .

As described above, the second rotating body 41 is rotated by alternately repeating the action of the first picking part 16A pushing up the long receiving tool 42A and the action of the second picking part 16B pushing up the short receiving tool 42B. . In other words, the second rotating body 41 can be rotated by using the movement of the first collecting portion 16A and the second collecting portion 16B caused by the rotational force of the rotating body 15. As shown in FIG. Therefore, the second rotating body 41 can rotate without using power from the prime mover of the tractor 2 or power from another drive source such as a motor.

The soil sampling device 1 of the above embodiment has the following effects.
The soil sampling device 1 is a soil sampling device attached to a traveling body 2, and includes a rotating body 15 that rotates about a horizontal axis 20 extending in the width direction of the traveling body 2 as the traveling body 2 travels, and a rotating body and a collecting part 16 that intermittently penetrates into the soil and collects the soil by rotating together with 15. - 特許庁

According to this configuration, since the collecting unit 16 intermittently penetrates into the soil and collects the soil by rotating as the traveling body 2 travels, the soil of a desired depth can be efficiently collected. can be collected.
Further, the rotating body 15 has a plurality of grounding bodies 22 arranged side by side in the circumferential direction around the horizontal axis 20 and capable of being grounded. rotate by

This configuration does not require a drive source (such as a motor) for rotating the rotating body 15, so that the configuration of the soil sampling device 1 can be simplified and the weight thereof can be reduced.
In addition, the sampling portion 16 includes a plurality of sampling portions (first sampling portion 16A, second sampling portion 16B) arranged side by side in the circumferential direction around the horizontal axis 20. different distances.

According to this configuration, soil at different depths can be sampled by the plurality of samplers (the first sampler 16A and the second sampler 16B).
Further, a receiving portion 40 for receiving the soil collected by the collecting portion 16 is provided, and the receiving portion 40 is rotatable around a second horizontal axis 31 parallel to the horizontal axis 20 and corresponds to the rotation of the rotating body 15. and a receiving tool 42 that moves to a receiving position P1 where soil can be received as the second rotating body 41 rotates.

According to this configuration, the receiving tool 42 of the receiving unit 40 can continuously and efficiently receive the soil collected by the collecting unit 16 while rotating with the rotation of the second rotating body 41 .
Further, the receiving part 40 has a container 43 that stores the soil received by the receiving tool 42. The container 43 is detachably attached to the second rotating body 41, and the receiving tool 42 at the receiving position P1. receives soil from

According to this configuration, the soil can be received from the receiving tool 42 into the container 43, and the container 43 that has received the soil can be removed from the second rotating body 41 and replaced with an empty container 43 to continue collecting soil. can be done.
Further, the container 43 has a plurality of storage portions 45 partitioned by partition walls 44, and the plurality of storage portions 45 move soil from the receiving tool 42 at the receiving position P1 as the second rotating body 41 rotates. Sequentially move to an acceptable receiving position P2.

According to this configuration, soil collected from different positions can be divided and stored in a plurality of storage portions 45 . Moreover, the soil can be efficiently received from the receiving tool 42 into the plurality of storage portions 45 .
The receiving section 40 also has a cover 46 that opens the accommodating section 45 at the receiving position P2 toward the receiving tool 42 and closes the accommodating section 45 at a position other than the receiving position P2.

According to this configuration, it is possible to prevent soil from being stored in the storage portion 45 other than the receiving position P2. Moreover, it is possible to prevent the soil stored in the storage portion 45 from spilling.
Further, the extraction unit 16 is provided with a removal tool 25 for removing the collected soil. The extraction part 16 is a cylindrical body that intermittently penetrates into the soil as the rotating body 15 rotates, and the removal tool 25 is The soil collected in the collecting part 16 is pushed out toward the receiving position P1.

According to this configuration, the soil can be easily collected by the collecting unit 16, and the collected soil can be reliably taken out to the receiving position P1 by the removal tool 25. As shown in FIG.
The traveling body 2 is the tractor 2 , and the rotating body 15 is attached to the side frame 7 of the rotary tiller 4 provided at the rear of the tractor 2 .

According to this configuration, the soil can be collected while the rotary tiller 4 is tilling, and since the rotating body 15 is attached to the side frame 7, it is not affected by the tilling by the rotary tiller 4. Soil can be collected at
Although one embodiment of the present invention has been described above, it should be considered that the embodiment disclosed this time is illustrative in all respects and is not restrictive. The scope of the present invention is indicated by the scope of the claims rather than the above description, and is intended to include all modifications within the scope and meaning equivalent to the scope of the claims.

1 Soil sampling device 2 Traveling body (tractor)
4 rotary cultivator 7 side frame 15 rotating body 16 picking part 16A first picking part 16B second picking part 20 horizontal shaft 22 grounding member 25 extracting tool 31 second horizontal shaft 40 receiving part 41 second rotating body 42 receiving tool 43 container 44 Partition wall 45 Accommodating portion 46 Cover P1 Receiving position P2 Receiving position

Claims (8)

A soil sampling device mounted on a traveling body,
a rotating body that rotates about a horizontal axis extending in the width direction of the traveling body as the traveling body travels;
a collecting unit that intermittently penetrates into the soil and collects the soil by rotating together with the rotating body;
with
the collecting portion includes a plurality of collecting portions arranged in a circumferential direction around the horizontal axis;
The soil sampling device , wherein the plurality of sampling parts are at different distances from the horizontal axis . A soil sampling device mounted on a traveling body,
a rotating body that rotates about a horizontal axis extending in the width direction of the traveling body as the traveling body travels;
a collecting unit that intermittently penetrates into the soil and collects the soil by rotating together with the rotating body;
a receiving section that receives the soil collected by the collecting section;
with
The receiving part is
a second rotating body rotatable about a second horizontal axis parallel to the horizontal axis and rotating about the second horizontal axis corresponding to the rotation of the rotating body;
a receiving tool that moves to a receiving position capable of receiving soil as the second rotating body rotates;
A soil sampling device having a A soil sampling device mounted on a traveling body,
a rotating body that rotates about a horizontal axis extending in the width direction of the traveling body as the traveling body travels;
a collecting unit that intermittently penetrates into the soil and collects the soil by rotating together with the rotating body;
with
The running body is a tractor,
A soil sampling device in which the rotating body is attached to a side frame of a rotary tiller provided at the rear of the tractor . The rotating body has a plurality of grounding bodies that are arranged in a circumferential direction around the horizontal axis and can be grounded, and is rotated by sequentially grounding the plurality of grounding bodies as the running body travels. A soil sampling device according to any one of claims 1 to 3 . The receiving part has a container for containing the soil received by the receiving tool,
3. The soil sampling apparatus according to claim 2 , wherein the container is detachably attached to the second rotating body and receives soil from the receiving tool located at the receiving position. The container has a plurality of storage units partitioned by partition walls,
6. The soil sampling apparatus according to claim 5, wherein the plurality of storage units sequentially move from the receiving tool at the receiving position to the receiving position where the soil can be received as the second rotating body rotates. 7. The soil according to claim 6, wherein the receiving part has a cover that opens the containing part at the receiving position toward the receiving tool and closes the containing part at a position other than the receiving position. harvesting device. A pick-up tool for taking out the collected soil from the collecting unit,
the sampling part is a cylindrical body that intermittently penetrates into the soil as the rotary body rotates;
The soil sampling device according to any one of claims 2 and 5 to 7 , wherein the extraction tool pushes the soil sampled in the sampling section toward the receiving position.

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