JP2022103208A - Acquisition device and acquisition system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an acquisition device that can be introduced even at a relatively narrow place and can suppress introduction costs.

SOLUTION: An acquisition system 1 capable of acquiring objects arranged along a prescribed direction is supported by a support part 5 disposed at a position higher than the objects and extending along the prescribed direction, is suspended on the support part 5, and comprises an acquisition part 40 that is movable along the support part 5, is movable in the vertical direction, and acquires the objects.

SELECTED DRAWING: Figure 3

COPYRIGHT: (C)2022,JPO&INPIT

Description

The present invention relates to an acquisition device and an acquisition system.

In recent years, for example, in agriculture, labor shortages have become a serious problem. Therefore, it is desired to automate the harvesting work of agricultural products.

Therefore, Patent Document 1 proposes a harvesting device that moves on an orbit between ridges and harvests fruits with a fruit-picking hand.
According to such a harvesting device, fruits can be automatically harvested while the harvesting device moves in orbit.

Japanese Unexamined Patent Publication No. 2018-134059

However, depending on the field in which the crop is grown, the space between the ridges may be relatively narrow and it may not be possible to set a track. Further, as in the case of the acquisition device 100 of Patent Document 1, when moving on the ground surface, four or more tires or the like are required, the harvesting device becomes large, and it may not be possible to introduce it into a relatively narrow field or the like. In addition, as the harvesting equipment becomes large, the introduction cost tends to increase.

Therefore, in view of the above problems, it is an object of the present invention to provide an acquisition device that can be introduced even in a relatively narrow place and can suppress the introduction cost.

The present invention provides the following solutions.

(1) An acquisition device capable of acquiring objects arranged along a predetermined direction, arranged at a position higher than the object, and supported by a support portion extending along the predetermined direction.
Suspended from the support
An acquisition device including an acquisition unit that is movable along the support portion, is movable in the vertical direction, and acquires the object.

According to the above configuration, the acquisition device can acquire an object arranged along a predetermined direction, is arranged at a position higher than the object, and is supported by a support portion extending along the predetermined direction.
Then, the acquisition device is suspended from the support portion, can move along the support portion, can move in the vertical direction, and includes an acquisition portion for acquiring an object.

In this way, the acquisition device provided with the acquisition unit can be suspended from the support portion, move along the support portion, and acquire the object. As a result, it is not necessary to provide wheels such as tires for self-propelling in the acquisition device, and the acquisition device moves in a suspended state to acquire the object, so that it is possible to make the acquisition device relatively compact as a whole. Will be.
Therefore, it can be introduced even in a relatively narrow place, and it is possible to provide an acquisition device capable of suppressing the introduction cost.

(2) The acquisition unit is
The object is a crop, and a grip portion that grips the crop in the vicinity of the crop or the harvest itself.
The acquisition device according to (1), comprising a cutting portion that cuts the vicinity of the harvested product while being gripped by the grip portion.

According to the above configuration, the acquisition portion includes a grip portion and a cutting portion.
The grip portion grips the vicinity of the harvested product of the target crop or the harvested product itself.
The cutting portion cuts the vicinity of the harvested product while being gripped by the gripping portion.

As a result, when the acquisition department acquires fruits, fruits, vegetables, etc. (hereinafter referred to as "fruits") that are harvested from agricultural products, first, the fruit stems (flower stems, peduncles, peduncles, small stalks) in the vicinity of the fruits are acquired. The peduncle, etc.) or the surrounding stem (hereinafter referred to as "peduncle") is grasped by the gripping portion, and then the peduncle is cut at the cutting portion. Alternatively, the fruit itself, which is the harvested product, is grasped by the gripping portion and the fruit stalk is cut by the cutting portion. This makes it possible to prevent the fruit from falling and colliding with the ground surface or the like after the fruit is obtained from the crop, and the fruit is damaged.
In addition, peeling off the fruit stalks that bear fruit puts a burden on the crops, but since the fruit stalks are cut at the cutting part while the fruit stalks or the harvested product are grasped by the gripping part, an extra burden is placed on the crops. Can be prevented.

(3) The acquisition unit is
An acquisition member whose object is a crop and can be moved from the tip end side to the base end side by sandwiching the harvested product or the harvested product itself.
A first cutting portion, which is arranged on the tip side of the acquisition member and separates the harvested product from the crop,
The acquisition device according to (1), comprising a portion arranged on the base end side of the acquisition member and sandwiched between the acquisition members and a second cutting portion for separating the harvested product.

According to the above configuration, the acquisition unit includes an acquisition member, a first cutting unit, and a second cutting unit.
The acquisition member is a crop, and can move from the tip end side to the base end side by sandwiching the crop near the crop or the harvest itself.
The first cutting portion is arranged on the tip side of the acquisition member and separates the crop from the crop.
The second cutting portion is arranged on the base end side of the acquisition member, and separates the harvested product from the portion sandwiched by the acquisition member.

Here, when the harvested crop (for example, fruit) is shipped, if the fruit stem extending from the fruit is in a long state, it may damage other fruits and cannot be shipped in this state.
According to the invention of (3), after the crop is separated from the crop by the first cutting portion, the vicinity of the harvest (for example, fruit stalk) sandwiched between the acquisition members is covered by the second cutting portion. Separate from (for example, real).
As a result, it is possible to remove the fruit stalks of the harvested product, and after harvesting, the products can be shipped without the work of removing the fruit stalks, so that the burden of agricultural work can be reduced.

(4) An acquisition system including the acquisition device according to any one of (1) to (3) and the support portion.
The support extends along the first row when the objects are arranged in multiple rows, curved at the ends of the first row, and in the row next to the first row. An acquisition system that extends to and along a second row.

As a result, the acquisition device including the acquisition unit for acquiring the object moves to the second column, which is the column next to the first column, after acquiring the object in the first column, and moves to the second column, which is the second column. It becomes possible to acquire an object. Therefore, even when the objects are arranged in a plurality of columns, it is possible to continuously acquire the objects over the plurality of columns, and the work efficiency of acquisition can be improved.

According to the present invention, it is possible to provide an acquisition device that can be introduced even in a relatively narrow place and can suppress the introduction cost.

FIG. 1 is a diagram illustrating an outline of an acquisition system according to a preferred embodiment of the present invention. FIG. 2 is a schematic view of a field to which the acquisition system according to the preferred embodiment of the present invention is applied, as viewed from above. FIG. 3 is a diagram illustrating a main body of an acquisition device according to a preferred embodiment of the present invention. FIG. 4 is a diagram illustrating an acquisition unit of an acquisition device according to a preferred embodiment of the present invention. FIG. 5 is a diagram illustrating a modified example of the acquisition unit of the acquisition device according to the preferred embodiment of the present invention. FIG. 6 is a diagram illustrating a modified example of the acquisition unit of the acquisition device according to the preferred embodiment of the present invention. FIG. 7 is a diagram illustrating an accommodating member of the acquisition device according to a preferred embodiment of the present invention. FIG. 8 is a diagram illustrating an accommodating member of the acquisition device according to a preferred embodiment of the present invention. FIG. 9 is a diagram illustrating an accommodating member of the acquisition device according to a preferred embodiment of the present invention. FIG. 10 is a functional block diagram of a control unit according to a preferred embodiment of the present invention.

Hereinafter, suitable embodiments for carrying out the present invention will be described with reference to the drawings. It should be noted that this is only an example, and the technical scope of the present invention is not limited to this.
For example, in the following description of the embodiment, a harvest such as a fruit harvested from a crop will be described as an example as an object to be acquired, but the acquisition device and the acquisition system of the present invention are used when harvesting the harvest from the crop. Not limited to the above, in a situation where a plurality of objects are arranged along a predetermined direction and a desired object is acquired from the arranged objects such as medicines used in medical treatment, physical distribution luggage, etc. Can be used.

FIG. 1 is a diagram illustrating an outline of an acquisition system according to a preferred embodiment of the present invention.
FIG. 2 is a schematic view of a field to which the acquisition system according to the preferred embodiment of the present invention is applied, as viewed from above.

The acquisition system 1 acquires the harvest F of the crop C planted along a predetermined direction.
Here, as shown in FIG. 2, in the field, a plurality of rows of rows S in which crops C are planted at regular intervals and along a predetermined direction are provided at predetermined intervals. In addition, the acquisition system 1 is used for acquiring vegetables and fruits such as peppers, tomatoes, citrus fruits, strawberries, eggplants, and cucumbers, which extend above the surface of the earth and attach crops above the surface of the earth. Be done.
The acquisition system 1 includes a support portion 5 and an acquisition device 10.

The support portion 5 is composed of a wire that is supported by a pillar standing from the ground surface, a structure of a greenhouse or a member attached to the structure, and is placed at a position higher than the crop crop, and the strip S is formed. It extends along a predetermined direction.

Further, as shown in FIG. 2, the support portion 5 has a first row (for example, the row S1) when the rows S of the crop C are planted in a plurality of rows (S1 to S4 in the example shown in FIG. 2). ), Curved at the end of the first row, to the second row (eg, Article S2), which is the row next to the first row, and along the second row. Is extending.

Returning to FIG. 1, the acquisition device 10 is suspended from the support portion 5 and includes a main body 20 and a cover 30 that covers at least a part of the main body 20.

FIG. 3 is a diagram illustrating a main body of an acquisition device according to a preferred embodiment of the present invention.
The main body 20 includes a vertical member 21, a hanging member 22, an acquisition member 23, and an accommodating member 24. Further, although not shown in FIG. 3, the main body 20 includes a control unit 50 (see FIG. 10 described later) and a battery as a power source for driving the acquisition device 10.

The vertical member 21 is formed of a long body extending in the vertical direction, and a cover 30 (see FIG. 1) is attached to the vertical member 21.

The suspending member 22 is provided under the engaging portion 221 that engages with the support portion 5 and the engaging portion 221 and is connected to the upper end of the vertical member 21 so that the vertical member 21 is centered on an axis extending in the vertical direction. A rotating portion 222 that rotates is provided.

The engaging portion 221 includes a roller engaged with the support portion 5, a wire moving motor 221a controlled by the control unit 50, and rotating the roller around an axis extending in a direction orthogonal to the direction in which the support portion 5 extends. A support member for supporting these members is provided.
In the example shown in FIG. 3, the engaging portion 221 has two rollers arranged on the support portion 5, but the present invention is not limited to this, and for example, four rollers may be arranged or the support portion 5 may be arranged. A roller may be arranged underneath, and the support portion 5 may be sandwiched between the rollers.

The rotating portion 222 has a base portion connected to a support member of the engaging portion 221 and a rotary motor fixed to the base portion and controlled by the control unit 50 to rotate the vertical member 21 around an axis extending in the vertical direction. The 222a and the upper end of the vertical member 21 are connected to each other, and a transmission unit for transmitting the rotation of the rotary motor 222a to the vertical member 21 is provided.

The acquisition member 23 includes a moving unit 230 and an acquisition unit 40.
The moving unit 230 includes a vertical moving unit 231 and a front-back moving unit 232.
The vertical movement portion 231 is rotatably attached to a vertical movement base and a vertical movement base that engages with the vertical member 21 so as to be movable along the vertical direction (the direction in which the vertical member 21 extends), and has an outer surface. It includes a roller that is in contact with the vertical member 21 and rotates about an axis orthogonal to the direction in which the vertical member 21 extends, and a vertical movement motor 231a that is controlled by the control unit 50 and rotates the roller.

The front-back moving portion 232 is a horizontal member 232a which is a long body that movably engages with the front-back moving base fixed to the up-down moving base of the up-down moving portion 231 and the front-back moving base. The roller is rotatably attached to the base for moving back and forth, the outer surface is in contact with the lateral member 232a, and the roller is controlled by the control unit 50 and is controlled by a roller that rotates about an axis orthogonal to the direction in which the lateral member 232a extends. It is provided with a forward / backward moving motor 232b for rotating.

FIG. 4 is a diagram illustrating an acquisition unit of an acquisition device according to a preferred embodiment of the present invention.
The acquisition unit 40 includes an acquisition base 41, a grip unit 42, a cutting unit 43, and a camera 60.
The acquisition base 41 is fixed to the front end of the horizontal member 232a (the end in the direction in which the crop C shown in FIG. 1 is planted).

The grip portion 42 grips the fruit stem FS in the vicinity of the harvest F of the crop C or the harvest F itself. Specifically, the grip portion 42 includes a pair of grip members 420 and a grip portion motor 420a controlled by the control unit 50 to drive the grip members 420.

The gripping member 420 includes a gear 421 in which teeth are formed on the outer periphery of a substantially cylindrical shape, and a shaft 422 in which a part of the outer periphery of the gear 421 projects forward.
In the grip portion 42, the teeth of the gears 421 of the pair of grip members 420 are engaged with each other, and the grip portion motor 420a rotates about the axis extending in the vertical direction in the opposite directions to the pair of shafts 422. The pair of shafts 422 can be displaced from the open state in which they are separated from each other to the gripped state (the state shown in FIG. 4) in which the pair of shafts 422 are close to each other. With such a configuration, the grip portion 42 can grip the fruit stem FS in the vicinity of the harvested product F or the harvested product F itself by shifting from the open state to the gripped state.

The cutting portion 43 cuts the fruit stem FS (near the harvested product F) gripped by the grip portion 42. Specifically, the cutting portion 43 includes a rotating portion 431, a blade 432 detachably attached to the rotating portion 431, and a cutting portion motor 431a controlled by the control unit 50 to drive the rotating portion 431. Be prepared.
The rotating portion 431 is rotated about a shaft extending in the vertical direction by the cutting portion motor 431a.
The blade 432 extends in the direction in which the shaft 422 extends in the vicinity of the shaft 422 of the pair of gripping members 420, and the blade is formed in the rotation direction of the rotating portion 431.
The cutting portion 43 is arranged so that the blade of the blade 432 passes near the pair of shafts 422 in the gripped state by rotating the rotating portion 431. With such a configuration, the cutting portion 43 cuts the fruit stalk FS gripped by the grip portion 42.

5 and 6 are views for explaining a modified example of the acquisition unit of the acquisition device according to the preferred embodiment of the present invention. FIG. 5 is a view of the acquisition unit 70 according to the modified example as viewed from diagonally above. FIG. 5 is a view of the acquisition unit 70 according to the modified example as viewed from diagonally below.
The acquisition unit 70 according to the modification includes a pair of acquisition members 70R and 70L. The pair of acquisition members 70R and 70L have facing surfaces 70r and 70l facing each other, respectively. The acquisition unit 70 holds the harvested product F between the facing surfaces 70r and 70l of the pair of acquisition members 70R and 70L, sandwiching the fruit stem FS (near the harvested product F) of the harvested product F, from the tip end side to the base end side. Pull in to.

The pair of acquisition members 70R and 70L each include an acquisition base 71, a plurality of main rollers 72, a plurality of auxiliary rollers 73, and an endless belt 74.
The base end side of the acquisition base 71 is fixed to the front end of the horizontal member 232a (the end portion in the direction in which the crop C shown in FIG. 1 is planted). The acquisition base 71 is formed in a shape (for example, a substantially triangular shape or the like) in which the width seen from the upper surface becomes narrower from the base end side to the tip end side. This makes it easier to get close to the harvested product F by evading the leaves of the crop C and the like.

The plurality of main rollers 72 are rotatably provided at the apex positions on the outer periphery of the acquisition base 71. The main roller 72 is arranged so that the outer edge protrudes from the outer periphery of the acquisition base 71. One of the plurality of main rollers 72 is rotated by driving the grip motor 420a (see FIG. 10). Further, any one of the plurality of main rollers 72 may be rotated by a gear member that transmits the drive of the gripping portion motor 420a. The main roller 72 of the acquisition member 70R and the main roller 72 of the acquisition member 70L rotate in opposite directions under the control of the gripping unit motor 420a by the control unit 50.

The plurality of auxiliary rollers 73 are provided on the facing surfaces 70r and 70l of the acquisition base 71. Here, the acquisition unit 70 pulls the harvested product F from the tip end side to the base end side while sandwiching the fruit stem FS of the harvested product F between the facing surfaces 70r and 70l. By arranging the plurality of auxiliary rollers 73 on the facing surfaces 70r and 70l, respectively, it is possible to maintain the holding force between the facing surfaces 70r and 70l.

The endless belt 74 is wound around a plurality of main rollers 72 and a plurality of auxiliary rollers 73. The endless belt 74 is made of a material having a relatively high surface friction coefficient, such as rubber. Further, unevenness may be formed on the outer surface of the endless belt 74. In this case, it is desirable that the unevenness of the acquisition member 70R and the unevenness of the acquisition member 70L mesh with each other on the facing surfaces 70r and 70l. Further, the size of the unevenness of the endless belt 74 can be arbitrarily determined according to the harvested product F.

Further, the acquisition unit 70 includes a first cutting unit 75 and a second cutting unit 76 that straddle between the facing surfaces 70r and 70l.
As shown in FIG. 5, the first cutting portion 75 is fixed to the acquisition base 71 of the pair of acquisition members 70R and 70L on the tip end side of the upper surface of the acquisition portion 70. The first cutting portion 75 has a blade inclined from the tip end side toward the base end side on the tip end side.
As shown in FIG. 6, the second cutting portion 76 is fixed to the acquisition base 71 of the pair of acquisition members 70R and 70L on the base end side of the lower surface of the acquisition portion 70. The second cutting portion 76 has a blade inclined from the tip end side toward the base end side on the tip end side. It is desirable that the blades of the first cutting portion 75 and the blades of the second cutting portion 76 are inclined in opposite directions.

With the above configuration, the acquisition unit 70 operates as follows.
In the acquisition unit 70, a plurality of auxiliary rollers 73 of the pair of acquisition members 70R and 70L rotate toward each other under the control of the grip unit motor 420a by the control unit 50, and the endless belt of the pair of acquisition members 70R and 70L. The 74 rotates in the direction toward the facing surfaces 70r and 70l (in the direction of the arrow shown in FIG. 5) from the outside on the tip side.
In this state, the acquisition unit 70 is arranged at a position where the fruit stem FS of the harvested product F comes between the facing surfaces 70r and 70l. Then, the fruit stem FS of the harvested product F is pulled in by the endless belts 74 of the pair of acquisition members 70R and 70L, and the base end side is moved to. As a result, the fruit stalk FS is pressed against the blade of the first cutting portion 75 and cut, and the state shown in FIG. 5 is obtained.
After that, the harvested product F is further moved to the proximal end side while being sandwiched between the endless belts 74 of the pair of acquisition members 70R and 70L, and as shown in FIG. The stalk FS is pressed, cut, and falls downward.

Returning to FIG. 4, the camera 60 is fixed to the acquisition base 41 and controlled by the control unit 50 to image the strip S, the crop C, and the harvested product F. The camera 60 may be fixed to, for example, a hanging member 22 instead of the acquisition unit 40 as long as the strip S, the crop C, and the harvested product F can be imaged.

Returning to FIG. 3, the accommodating member 24 is provided at the lower end of the vertical member 21 and accommodates the harvested product F acquired by the acquisition unit 40.
7, 8 and 9 are diagrams illustrating the accommodating member of the acquisition device according to the preferred embodiment of the present invention. FIG. 7 is a view of the accommodating member 24 viewed from diagonally above. 8 and 9 are views of the accommodating member 24 viewed from diagonally below. Further, FIG. 8 shows a state in which the accommodating member 24 is closed, and FIG. 9 shows a state in which the accommodating member 24 is open.

The accommodating member 24 includes a container portion 241, a fixed bottom 242, a moving bottom 243, and a drive portion 244.
The container portion 241 is formed in a box shape with at least an open upper portion, and is attached to the lower end of the vertical member 21 via a support member as shown in FIG.

The fixed bottom 242 forms a bottom having an opening 24a penetrating in the vertical direction in the container portion 241 and is fixed to the container portion 241 by inclining downward from the vicinity of the upper end of the container portion 241.

The moving bottom 243 is provided on the lower surface of the fixed bottom 242 so as to be slidable by the drive unit 244, and is provided substantially parallel to the fixed bottom 242.

The drive unit 244 includes a guide unit 244a, a rail unit 244b, a roller 244c, and an accommodating member motor 244d.

The guide portion 244a is provided on the lower surface of the fixed bottom 242, extends in the inclined direction of the fixed bottom 242, and supports the moving bottom 243 so as to be slidable.

The rail portion 244b is provided on the inner side surface of the container portion 241 and extends along the guide portion 244a.

A shaft of the roller 244c is fixed to the lower surface of the moving bottom 243, the outer peripheral surface engages with the rail portion 244b, and the roller 244c is rotated by being driven by a controlled accommodating member motor 244d of the control portion 50 (see FIG. 10). As a result, the accommodating member motor 244d is driven by the control of the control unit 50 (see FIG. 10), and the roller 244c rotates, so that the moving bottom 243 moves along the rail unit 244b.

With the above configuration, the accommodating member 24 operates as follows.
In the closed state shown in FIG. 8, the accommodating member 24 accommodates the harvested product F acquired by the acquisition unit 40 inside the container unit 241. Then, for example, when the inside of the container portion 241 is full, the accommodating member motor 244d is driven by the control of the control portion 50 (see FIG. 10), the roller 244c rotates, and the roller portion 244b moves along the rail portion 244b. Along with this, the moving bottom 243 moves under the fixed bottom 242, the opening 24a is opened, the state shown in FIG. 9 is reached, and the harvested product F contained in the container portion 241 falls downward.

Returning to FIG. 1, the cover 30 covers at least the control unit 50 (see FIG. 10) and the battery, and is formed at the lowermost portion of the body 31 in which the insertion hole 30a through which the lateral member 232a can move in the vertical direction is formed. , Which is formed in a vessel shape with an open upper part, and is formed of a bucket 32 capable of storing the obtained harvested product F. At the lower part of the bucket 32, an openable / closable discharge port for discharging the harvested product F stored in the bucket 32 downward is provided.

FIG. 10 is a functional block diagram of a control unit according to a preferred embodiment of the present invention.
The control unit 50 includes an analysis means 51, a moving position specifying means 52, a front-back position specifying means 53, an acquisition unit control means 54, and a transmission / reception means 55, and controls the operation of the acquisition device 10. Further, the control unit 50 includes a camera 60, a wire moving motor 221a, a rotary motor 222a, a vertical moving motor 231a, a front-back moving motor 232b, a gripping part motor 420a, a cutting part motor 431a, and an accommodating member motor. Is connected to 244d so as to be communicable.

The analysis means 51 analyzes the images of the strip S, the crop C, and the harvested product F captured by the camera 60, and determines whether or not the harvested product F is formed. Specifically, the analysis means 51 uses, for example, deep learning, which is a known technique, and pattern matching in combination with respect to the image captured by the camera 60, and harvests depending on whether or not the detection accuracy exceeds a predetermined threshold value. It is determined whether or not the object F is formed.

When the analysis means 51 determines that the harvested product F is formed, the moving position specifying means 52 targets the harvested product F and within a predetermined angle of view among the angles of view that can be imaged by the camera 60. , Move the acquisition unit 40 so that the target is entered. Specifically, the moving position specifying means 52 controls the drive of the wire moving motor 221a to move the acquisition device 10 in the direction in which the support portion 5 extends (the direction in which the strip S shown in FIG. 2 extends), and targets the target. The position of the acquisition unit 40 with respect to the Y direction (see FIG. 3) is adjusted. Further, the moving position specifying means 52 moves the acquisition member 23 in the vertical direction by controlling the drive of the vertical movement motor 231a, and aligns the position of the acquisition unit 40 with respect to the target in the Z direction (see FIG. 3).

When the front-rear position specifying means 53 aligns the acquisition unit 40 with respect to the target in the Y direction (see FIG. 3) and the Z direction (see FIG. 3) by the moving position specifying means 52, the harvested product F is measured by the camera 60. An image is taken, an image of the harvested product F is acquired as point cloud data, and the size of the target harvested product F and the distance to the harvested product F are measured.

Then, in the front-rear position specifying means 53, the measured size of the harvested product F is a preset size (for example, S size, M size, L size, etc. preset according to the type of the harvested product F). If so, by controlling the drive of the forward / backward movement motor 232b, the position of the acquisition unit 40 with respect to the target in the X direction (see FIG. 3) is adjusted based on the measured distance.

Further, the front-rear position specifying means 53 acquires an image of the tip of the shaft 422 of the pair of gripping members 420 together with the harvested product F by the camera 60, and detects the difference between the tip of the shaft 422 and the position of the harvested product F. By controlling the drive of the wire moving motor 221a, the rotary motor 222a, the vertical moving motor 231a, or the forward / backward moving motor 232b, the fruit tube FS in the vicinity of the harvest F is inserted between the pair of shafts 422. 40 position correction is performed.

When the acquisition unit control means 54 corrects the position of the acquisition unit 40 so that the fruit stem FS in the vicinity of the harvested product F is inserted between the pair of shafts 422 by the front-rear position specifying means 53, the acquisition unit motor 420a By controlling the drive, the pair of shafts 422 is displaced from the open state to the gripped state, and the fruit stalk FS in the vicinity of the harvest F is gripped by the pair of shafts 422.

Then, when the acquisition unit control means 54 grips the fruit stem FS in the vicinity of the harvested product F by the pair of shafts 422, the acquisition unit control means 54 controls the drive of the cutting unit motor 431a to rotate the blade 432 of the cutting unit 43. The fruit stalk FS held by the pair of shafts 422 is cut. As a result, the state shown in FIG. 4 is obtained.

Further, the front-rear position specifying means 53 controls the drive of the front-rear moving motor 232b when the acquisition unit control means 54 rotates the blade 432 of the cutting unit 43 to obtain the acquisition unit 40 that has grasped the harvested product F. In the X direction (see FIG. 3), the crop is moved away from the crop C (the direction closer to the vertical member 21) and placed above the bucket 32 of the cover 30.

Then, the acquisition unit control means 54 controls the drive of the grip portion motor 420a when the acquisition unit 40 that grips the harvested product F is arranged above the bucket 32 by the front-rear position specifying means 53, thereby forming a pair of axes. The 422 is displaced from the gripped state to the open state, and the harvested product F is dropped into the bucket 32.

The transmission / reception means 55 tells an external device (for example, a terminal operated by the user), for example, the number of harvested products F acquired (the number of times the cutting portion motor 431a is driven) and the position of the acquisition device 10 at a predetermined timing. Information (for example, position information calculated from the movement distance based on the drive of the wire movement motor 221a with respect to the initial position) or the like may be transmitted. Further, the transmission / reception means 55 is referred to from an external device at the time of setting indicating the size of the harvested product F to be acquired, information indicating the drive timing of the acquisition device 10, and determining the analysis means 51 and the front / rear position specifying means 53. Reference data and the like may be received.

The control unit 50 includes a processor, a memory, a storage, and a communication unit (not shown), which are connected by a bus. The processor is configured by, for example, a CPU (Central Processing Unit), and performs various processes by reading and executing various programs stored in a memory. The memory stores a program executed by the CPU, and is composed of, for example, a ROM (Read Only Memory) or a RAM (Random Access Memory).

Although the embodiments and modifications of the present invention have been described above, the present invention is not limited to these embodiments described above. Further, the effects described in the embodiments and modifications of the present invention merely list the most suitable effects resulting from the present invention, and the effects according to the present invention are described in the embodiments and modifications of the present invention. It is not limited to things.

1 Acquisition system 5 Support part 10 Acquisition device 20 Main body 21 Vertical member 22 Suspended member 23 Acquisition member 24 Accommodating member 24a Opening 30 Cover 30a Insertion hole 31 Body 32 Bucket 40 Acquisition unit 41 Acquisition base 42 Grip unit 43 Cutting unit 50 Control unit 51 Analytical means 52 Moving position specifying means 53 Front-rear position specifying means 54 Acquisition unit control means 55 Transmission / reception means 60 Camera 70 Acquisition unit 70L Acquisition member 70R Acquisition member 70l Opposing surface 70r Opposing surface 71 Acquisition base 72 Main roller 73 Auxiliary roller 74 Endless belt 75 1st cutting part 76 2nd cutting part 100 Acquisition device 221 Engagement part 221a Wire moving motor 222 Rotating part 222a Rotating motor 230 Moving part 231 Vertical moving part 231a Vertical moving part 232 Vertical moving part 232a Horizontal member 232b Front and rear moving motor 241 Container part 242 Fixed bottom 243 Moving bottom 244 Drive part 244a Guide part 244b Rail part 244c Roller 244d Accommodating member Motor 420a Grip part motor 420 Grip member 420a Grip part motor 421 Gear 422 Shaft 431 Rotating part 431a Cutting part Motor 432 Blade C Agricultural products F Harvest FS Fruit Kyo S Article

The present invention provides the following first solution means (i) to (iii) and second solution means (1) to (4) .
(I) The first solution is an acquisition device for acquiring crops from crops.
A pair of acquisition members that sandwich the harvested product or the vicinity of the harvested product, which is the crop, between belts facing each other and move the crop from the tip end side to the base end side by the rotation of the facing belts.
A first cutting portion, which is arranged on the tip side of the pair of acquisition members and separates the harvested product from the crop,
It is provided as an acquisition device.
(Ii) The acquisition device according to the above-mentioned solution means includes a camera for capturing an image of the harvested product and an analysis means for determining whether or not the harvested product is contained in the crop based on the image. When it is determined that the harvest is made, the harvest may be obtained separately from the crop.
(Iii) The acquisition device according to the solution means a second cutting portion that is arranged on the base end side of the pair of acquisition members and separates a portion of the pair of acquisition members sandwiched between the opposing belts from the harvested product. And may be provided.

According to the acquisition device according to the above-mentioned first solution according to the present invention, it is possible to prevent an extra burden on the crop when harvesting the crop from the crop. In addition, it is possible to reduce the burden of agricultural work of harvesting the harvested crops.
According to the acquisition device according to the second solution, it can be introduced even in a relatively narrow place, and the introduction cost can be suppressed.

Claims (4)

An acquisition device capable of acquiring objects arranged along a predetermined direction, arranged at a position higher than the object, and supported by a support portion extending along the predetermined direction.
Suspended from the support
An acquisition device including an acquisition unit that is movable along the support portion, is movable in the vertical direction, and acquires the object. The acquisition unit
The object is a crop, and a grip portion that grips the crop in the vicinity of the crop or the harvest itself.
The acquisition device according to claim 1, further comprising a cutting portion that cuts the vicinity of the harvested product while being gripped by the grip portion. The acquisition unit
An acquisition member whose object is a crop and can be moved from the tip end side to the base end side by sandwiching the harvested product or the harvested product itself.
A first cutting portion, which is arranged on the tip side of the acquisition member and separates the harvested product from the crop,
The acquisition device according to claim 1, further comprising a portion arranged on the base end side of the acquisition member and sandwiched between the acquisition members, and a second cutting portion for separating the harvested product. An acquisition system including the acquisition device according to any one of claims 1 to 3 and the support portion.
The support extends along the first row when the objects are arranged in multiple rows, curved at the ends of the first row, and in the row next to the first row. An acquisition system that extends to and along a second row.

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