JP6864284B2 - Crop harvester - Google Patents

Description

The present invention relates to a crop harvester that harvests crops such as carrots, radishes, and onions in a field, puts the harvested crops into a container for transportation, and collects the harvested crops.

A carrot harvester, which is an example of a crop harvester, is disclosed in Patent Document 1.
The carrot harvester of Patent Document 1 is provided with a harvesting section (10 of FIG. 2 of Patent Document 1) on the left side of the front portion of the machine body, and an operating section (FIG. 2 of FIG. 2 of Patent Document 1) on the right portion of the front part of the machine body. 2) is provided, and a transport device (48 in FIG. 2 of Patent Document 1) is provided to load the crops coming out from the rear part of the harvesting section into a container (C in FIG. 2 of Patent Document 1) while transporting them to the right side. , It is provided at the rear of the fuselage along the left-right direction of the fuselage.

As a result, the carrots harvested by the harvesting section are transported to the rear side, and the carrots coming out from the rear part of the harvesting section are transported to the right side by the transporting device. Carrots are thrown in and collected.

The carrot harvester of Patent Document 1 is provided with a container accommodating portion (6 in FIG. 2 of Patent Document 1) along the front-rear direction of the machine body on the right outside of the operating unit.
When the container at the end of the transfer device is full of carrots, the worker moves the container from the end of the transfer device to the container compartment and at the same time installs an empty container at the end of the transfer device. , The worker repeats such work. In the container storage section, containers containing carrots are placed side by side along the front-rear direction of the aircraft.

Japanese Unexamined Patent Publication No. 2008-54423

In the crop harvester of Patent Document 1, since the total length of the machine is long, there is room for improvement in terms of improving the running performance of the crop harvester.
An object of the present invention is to configure a crop harvester configured to collect harvested crops in a container so as to reduce the overall length of the machine.

(Constitution)
A feature of the present invention is that the crop harvester is configured as follows.
One of the right and left parts of the front part of the fuselage supported by the right and left crawler traveling devices is provided with a harvesting part, and the other of the right and left parts of the front part of the aircraft is provided with a driving part. ,
A transport device for loading the crops coming out from the rear part of the harvesting section into the container while transporting the crops in the left-right direction of the machine body is provided at the rear part of the machine body along the left-right direction of the machine body.
The transport device is arranged so that the front portion of the transport device is located in front of the rear end portion of the crawler traveling device in a plan view .
A container mounting portion on which a container into which crops are loaded from the transport device is placed is provided at the terminal portion of the transport device.
A container accommodating unit for placing a container into which crops have been loaded from the transport device is provided on the outside of the operating unit along the front-rear direction of the machine body.
When the container moves from the container mounting portion to a predetermined position on the rear side of the container accommodating portion, a container moving device for moving the container from the predetermined position to the container accommodating portion is provided.
A first sensor for detecting whether or not the container exists at the predetermined position and a second sensor for detecting whether or not the container exists between the container mounting portion and the predetermined position are provided. ,
When the second sensor detects the presence of the container, the operation of the container moving device is blocked, and the operation of the container moving device is blocked.
When the first sensor detects the presence of the container and the second sensor does not detect the presence of the container, the operation of the container moving device is permitted.

(Action and effect of invention)
In a crop harvester equipped with right and left crawler traveling devices, when a transport device for loading crops coming out from the rear part of the harvesting section into a container while transporting them in the left-right direction of the machine is provided in the rear part of the machine in the left-right direction. In Patent Document 1, the transport device is arranged so that all parts of the transport device are located on the rear side of the rear end portion of the crawler traveling device (see FIG. 3 of Patent Document 1).

On the other hand, in the present invention, the transport device is arranged so that the front portion of the transport device is located on the front side of the rear end portion of the crawler traveling device in a plan view, and the position of the transport device is set to the position of the machine body. I am moving it to the front side.
According to the present invention, by moving the position of the transport device provided at the rear part of the machine body to the front side of the machine body, the total length of the machine body can be suppressed, and the running performance of the crop harvester can be improved.

(Constitution)
In the present invention, it is preferable to configure as follows.
The transport device is arranged so that the rear portion of the transport device is located behind the rear end portion of the crawler traveling device in a plan view.

(Action and effect of invention)
In addition to arranging the transport device so that the front portion of the transport device is located in front of the rear end of the crawler traveling device in plan view, according to the present invention, the rear portion of the transport device is located in plan view. By arranging the transport device so as to be located behind the rear end of the crawler traveling device, the rear end of the crawler traveling device is within the range of the transport device in the front-rear direction in a plan view. It will be located, and the transport device will be arranged above the rear end of the crawler traveling device.

In this way, by not moving the position of the transport device to the front side of the aircraft more than necessary, the front-rear balance of the aircraft can be improved by the harvesting part at the front of the aircraft and the transport device at the rear of the aircraft. This is possible, and the running performance of the crop harvester can be improved.

(Constitution)
In the present invention, it is preferable to configure as follows.
In a plan view, a mission case having a transmission for traveling is provided between the harvesting section and the driving section at the front of the machine body.

(Action and effect of invention)
According to the present invention, in a plan view, a mission case having a transmission for traveling is provided between a harvesting section and a driving section at the front portion of the airframe. The mission case is relatively large and tall, but since there is a relatively large space between the harvesting section and the driving section at the front of the aircraft, the mission case can be used as the harvesting section and the driving section at the front of the aircraft. It can be placed comfortably between.

When the mission case is provided in the front part of the fuselage as described above, the mission case does not affect the arrangement of the transport device in the rear part of the fuselage, so that the position of the transport device can be easily moved to the front side of the fuselage. ..

(Constitution)
In the present invention, it is preferable to configure as follows.
In a plan view, the container housing portion is placed side by side with the long side of the container facing the left-right direction of the airframe and the short side of the container facing the front-back direction of the airframe. Will be done.

(Action and effect of invention)
A container storage unit for placing the containers in which the crops are loaded side by side in the front-rear direction of the aircraft is provided on the outside of the operation unit along the front-rear direction of the aircraft, and the overall length of the container storage unit is also long. Therefore, as described above, when the total length of the airframe is suppressed, it is necessary to reduce the total length of the container housing portion as well as the airframe.

Containers used in crop harvesters are generally box-shaped and rectangular in plan view.
In a crop harvester using such a container, according to the present invention, in the container housing portion, the long side portion of the container faces the left-right direction of the machine body and the short side portion of the container faces the front-rear direction of the machine body in a plan view. The containers are arranged side by side in the front-rear direction of the aircraft in a sideways orientation.

According to the present invention, a large number of containers are arranged in the front-rear direction of the airframe and placed on the container storage part by configuring the containers so as to be arranged side by side in the front-rear direction of the airframe in the sideways posture as described above. Even if it is placed, the total length of the container housing can be suppressed (even if the total length of the container housing is suppressed, a large number of containers can be arranged in the front-rear direction of the aircraft and placed in the container housing).

(Constitution)
In the present invention, it is preferable to configure as follows.
The container into which the crops are loaded from the transport device is placed on the container mounting portion in the sideways posture.
The container moving apparatus, the container of the horizontal position is moved before Kisho place from the container mounting portion, Before moving from the predetermined position the container in the horizontal position in the container accommodating unit.

(Action and effect of invention)
When the crops are loaded into the container placed at the terminal end of the transport device and the container into which the crops are loaded is moved to the container storage portion, according to the present invention, the container is placed sideways at the terminal end of the transport device. The crops are placed on the mounting part, and the crops are put into the container in the sideways posture from the end of the transport device. Next, when the worker moves the container in the sideways posture from the container mounting portion to a predetermined position, the container moving device moves the container in the sideways posture from the predetermined position to the container accommodating portion.

According to the present invention, the container is placed sideways at a predetermined position on the rear side of the container mounting portion at the end of the transport device and the container housing portion, as in the state where the container is placed on the container housing portion in a sideways posture. By being configured to be placed and moved in a posture, the loading of crops into the container and the movement of the container to the container housing can be smoothly performed without changing the sideways posture of the container. , It is possible to improve the harvesting performance of crops.

It is a left side view of a carrot harvester. It is a right side view of a carrot harvester. It is a top view of a carrot harvester. It is a rear view of a carrot harvester. It is a rear view of the vicinity of a container mounting part, a contact part, and a predetermined position (container moving device) showing the work flow of collecting carrots into a container. It is a rear view of the vicinity of a container mounting part, a contact part, and a predetermined position (container moving device) showing the work flow of collecting carrots into a container. It is a rear view of the vicinity of a container mounting part, a contact part, and a predetermined position (container moving device) showing the work flow of collecting carrots into a container. It is a rear view of the vicinity of a container mounting part, a contact part, and a predetermined position (container moving device) showing the work flow of collecting carrots into a container. It is a top view of the vicinity of a container mounting part, a contact part, a predetermined position (container moving device), and a container accommodating part which shows the work flow of collecting carrots into a container. It is a top view of the vicinity of a container mounting part, a contact part, a predetermined position (container moving device), and a container accommodating part which shows the work flow of collecting carrots into a container. It is a figure which shows the linkage state of a control device and each part.

Unless otherwise specified, the front-rear direction and the left-right direction in the embodiment of the present invention are described as follows. The traveling direction of the carrot harvesting machine (airframe 21), which is an example of the crop harvesting machine, at the time of harvesting work on the forward side is "forward", and the traveling direction on the backward side is "rear". The direction corresponding to the right side is "right" and the direction corresponding to the left side is "left" with respect to the forward posture in the front-back direction.

[1]
The whole carrot harvester will be described.
Figures 1, 2, 3 and 4 show a carrot harvester, which is an example of a crop harvester.
As shown in FIGS. 1, 2, 3 and 4, the airframe 21 is formed in a rectangular frame shape in a plan view by frames arranged in the front-rear direction and the left-right direction of the airframe 21, and the airframe 21 is on the right. And it is supported by the crawler traveling device 1 on the left.

As shown in FIGS. 1, 2, 3 and 4, a driving unit 2 is provided on the right side of the front part of the machine body 21, and a harvesting part 3 is provided on the left side of the front part of the machine body 21. A transport device 14 for loading the carrot A (corresponding to a crop) coming out from the rear of the harvesting section 3 into the container 18 while transporting it to the right side is provided at the rear of the machine 21 along the left-right direction of the machine 21. , A mounting portion 35 for an empty container 18 is provided on the front side of the transport device 14.
A container deck 15 (container accommodating unit 45) for mounting the container 18 into which the carrot A is loaded from the transport device 14 is provided on the right outside of the operating unit 2 along the front-rear direction of the machine body 21.

As shown in FIGS. 1, 2, 3 and 4, the engine 31 is provided below the driver's seat 37 of the driver's unit 2 in the right part of the front of the airframe 21, and the front part of the airframe 21 in a plan view. A mission case 32 is provided between the driving unit 2 (engine 31) on the right side of the machine and the harvesting unit 3 on the left side of the front part of the airframe 21. A fuel tank 34 is provided on the left side of the rear part of the airframe 21.

As shown in FIGS. 1, 2, 3 and 4, the power of the engine 31 is transmitted to the mission case 32, and the speed is changed by a traveling transmission (not shown) inside the mission case 32 to the right. And is transmitted to the crawler traveling device 1 on the left. The power of the engine 31 transmitted to the mission case 32 is transmitted to the harvesting unit 3, the transport device 14, and the like via a transmission mechanism (not shown) inside the mission case 32.

[2]
The harvesting unit 3 will be described.
As shown in FIGS. 1, 2, 3 and 4, the harvesting section 3 includes a raising device 4, a soil loosening blade 5, a pulling belt 6, a root cutting device 7, and the like.

As shown in FIGS. 1, 2, 3 and 4, as the machine body 21 progresses, the raising device 4 raises the leaf portion A1 of the carrot A in the field, and the soil loosening blade 5 that has entered the soil It vibrates and the soil on the side of carrot A is destroyed. The leaf portion A1 of the carrot A is sandwiched by the pull-out belt 6, the carrot A is pulled out, the beard root at the tip of the carrot A is cut by the root cutting device 7, and the carrot A is conveyed rearward and upward by the pull-out belt 6. Ru.

As shown in FIGS. 1, 2, 3 and 4, in the left portion of the machine body 21, a leaf transport belt 8 and a rotary blade 9 are provided on the rear side of the upper portion of the pull-out belt 6, and the leaf transport belt 8 and the rotary blade are provided. A transport belt 10 is provided on the lower side of the 9. A guide plate 11 inclined diagonally backward and downward is provided at the rear portion of the leaf transport belt 8, and a guide plate 12 inclined diagonally downward to the right is provided on the left portion of the rear portion of the machine body 21.

As shown in FIGS. 1, 2, 3 and 4, the leaf portion A1 of the carrot A transported upward and rearward by the pull-out belt 6 is delivered to the leaf portion transport belt 8 and sandwiched, and the leaf portion transport belt 8 is held. While the carrot A is being conveyed backward by the rotary blade 9, the space between the carrot A and the leaf portion A1 is cut by the rotary blade 9, and the carrot A falls on the conveying belt 10. The leaf A1 is conveyed rearward by the leaf transport belt 8 and released to the guide plate 11, falls from the guide plate 11 to the guide plate 12, and is released to the field.

[3]
The transport device 14 will be described.
As shown in FIGS. 2, 3 and 4, in the rear part of the machine body 21, the transfer device 14 is provided along the left-right direction of the body 21 from the right part of the rear part of the transfer belt 10, and the transfer direction of the transfer belt 10. A guide member 13 that diagonally intersects with is provided on the upper side of the transport belt 10.
As a result, the carrot A that has fallen from the leaf transfer belt 8 is conveyed rearward by the transfer belt 10, and when the carrot A reaches the guide member 13, the guide member 13 guides the carrot A from the transfer belt 10 to the transfer device 14. Then, the carrot A is transported to the right side by the transport device 14.

As shown in FIGS. 2, 3 and 4, a flat plate-shaped front support frame 19 (corresponding to the front part of the transport device) and a rear support frame 20 (corresponding to the rear part of the transport device) along the left-right direction of the machine body 21. ) Is connected to the rear portion of the machine body 21, and the transport device 14 is supported by the front and rear support frames 19 and 20.

As shown in FIGS. 2 and 3, in plan view and side view, the front support frame 19 is located on the front side of the machine body 21 with respect to the rear end portion 1a of the crawler traveling device 1, and the rear support frame 20 is located. It is located on the rear side of the machine body 21 with respect to the rear end portion 1a of the crawler traveling device 1.
As a result, the rear end portion 1a of the crawler traveling device 1 is located within the range in the front-rear direction of the machine body 21 of the transport device 14 in the plan view and the side view, and the rear end portion 1a of the crawler traveling device 1 is located. The transport device 14 is arranged on the upper side.

As shown in FIGS. 2, 3 and 4, a drive shaft (not shown) is supported on the left side of the front and rear support frames 19 and 20 in the front-rear direction of the airframe 21, and the front and rear support frames 19 and 20 are supported. A driven shaft (not shown) is supported in the front-rear direction of the airframe 21, and front and rear transport chains 22 are attached across the drive shaft and the driven shaft.

As shown in FIGS. 2, 3 and 4, a large number of round bar-shaped (round pipe-shaped) transport bodies 24 are freely rotatably supported over the front and rear transport chains 22. The transport body 24 is supported by the transport chain 22 at predetermined intervals along the left-right direction (transport direction) of the machine body 21, and a gap is provided between the adjacent transport body 24 and the transport body 24. The plurality of transport bodies 24 are in a state of freely rotating around an axis that intersects (orthogonally) the left-right direction (transport direction) of the machine body 21.

As shown in FIGS. 2, 3 and 4, the transport body 24 is in a state of being rotationally driven along the transport direction together with the transport chain 22 so as to gently climb along the transport direction. (See FIG. 4), the transport chain 22 and the transport body 24 are in a state of being rotationally driven.

As shown in FIGS. 2, 3 and 4, a handrail portion 26 is fixed to the upper part of the rear support frame 20 along the left-right direction of the machine body 21. An operation switch 25 and a stop switch 27 of the transfer device 14 are provided on the upper portion of the rear support frame 20, and a light 23 that illuminates the upper surface of the transfer device 14 is provided.

[4]
The container mounting portion 29 arranged below the terminal portion of the transport device 14 will be described.
As shown in FIGS. 2, 3 and 4, a flat plate-shaped container mounting portion 29 is provided, and a support frame 30 is connected to an end portion of the container mounting portion 29, and the front and rear support frames 19, The upper part of the support frame 30 is vertically swingably (elevated) around the horizontal axis P1 in the front-rear direction of the machine body 21 on the right side of the 20. The container mounting portion 29 is swingable within the range of the second position H and the first position L (see FIGS. 5 and 6), and is provided with a gas damper 33 for urging the container mounting portion 29 to the ascending side. ing.

As shown in FIG. 3, a roller 40 is freely rotatably supported around the horizontal axis in the front-rear direction of the machine body 21 in the opening of the container mounting portion 29.
A flat plate-shaped operating portion 38 is arranged in the opening of the container mounting portion 29, and is supported so as to swing up and down around the horizontal axis in the front-rear direction of the machine body 21, and the operating portion 38 is attached to the ascending side. It is equipped with a spring (not shown) to force it.

As shown in FIG. 5, the operation portion 38 is provided with a hook-shaped engaging portion 38a, and a pin-shaped locking portion 36 is fixed to a lower portion of the container mounting portion 29 in the airframe 21. There is. As a result, as shown in FIG. 7, the container mounting portion 29 is engaged with the locking portion 36 by engaging the engaging portion 38a of the operating portion 38 in the state where the container mounting portion 29 is located at the first position L. Can be held in the first position L.

As shown in FIG. 5, a third sensor 53 of the potentiometer type is connected to the back surface of the container mounting portion 29, and the elevating and lowering of the operating portion 38 can be detected by the third sensor 53.

As shown in FIG. 7, when the container 18 is not mounted on the container mounting portion 29, the operating portion 38 is raised from the opening of the container mounting portion 29 by the spring. As a result, the third sensor 53 does not detect the presence of the container 18, and the engaging portion 38a of the operating portion 38 engages with the locking portion 36 (holding state).

As shown in FIGS. 5 and 6, in a state where the container 18 is placed on the container mounting portion 29, the bottom portion of the container 18 comes into contact with the container 18 and the operating portion 38 is lowered. As a result, the third sensor 53 is in a state of detecting the presence of the container 18, and the engaging portion 38a of the operating portion 38 is in a state of being disengaged from the locking portion 36 (holding release state).

[5]
The chair 16 for the worker and the worker deck 17 will be described.
As shown in FIGS. 1, 2, 3 and 4, the support frame 39 connected to the rear part of the machine body 21 is extended to the rear side and the upper side of the machine body 21, and the chair 16 for the worker is attached to the support frame 39. It is equipped. On the lower side of the chair 16 for workers, the worker deck 17 is connected to the rear side of the machine body 21, and the worker deck 17 extends to the rear side of the machine body 21.

As shown in FIGS. 1, 2, 3 and 4, the chair 16 for the worker is located at the end of the transport device 14 and behind the container mounting portion 29 in a plan view, and is for the worker. The seat surface of the chair 16 is arranged at substantially the same height as the upper surface of the transport device 14.

As shown in FIGS. 1, 2, 3 and 4, the worker deck 17 includes a lower side of the chair 16 for the worker, a terminal portion of the transport device 14, and a rear side of the container mounting portion 29, and a container described later. It is provided in a range extending to the side surface of the deck 15 (support stand 41).
As described above, the worker chair 16 and the worker deck 17 are provided on the machine body 21 so as to be located on the rear side of the transport device 14.

[6]
The container deck 15 will be described.
As shown in FIGS. 2, 3 and 4, a container deck 15 is provided on the right side of the machine body 21 (outside the right side of the driving unit 2) along the front-rear direction of the machine body 21. A box-shaped container 18 for collecting carrot A is placed on the container mounting portion 29 below the terminal portion of the transport device 14 (see FIG. 5), and comes out from the terminal portion of the transport device 14. The carrot A is put into the container 18 and collected (see FIG. 6).
When the container 18 is full of carrot A, the worker moves the container 18 to the container deck 15 (see FIGS. 7 and 8) and places the empty container 18 on the container mounting section 29 (FIG. 7). 5).

As shown in FIG. 3, the vertical frames 42, 43 arranged in the front-rear direction of the machine body 21, the horizontal frames 44 connected over the vertical frames 42, 43, and the like make a rectangle long in the front-rear direction of the machine body 21 in a plan view. The entire container deck 15 is configured like this.

As shown in FIGS. 2, 3 and 4, in the container deck 15, a container moving device 28 is provided on the right side of the container mounting portion 29, and extends from the container moving device 28 to the front portion of the container deck 15. , A container accommodating portion 45 is provided.

As shown in FIGS. 3 and 4, the container deck 15 (vertical frame 43) changes its posture to the working position and the standing storage position shown in FIG. 4 around the horizontal axis P2 in the front-rear direction on the right side of the machine body 21. It is supported as much as possible.

[7]
The container moving device 28 will be described.
As shown in FIGS. 2 and 3, the horizontal frame 46 is connected to the position of the container moving device 28 over the vertical frames 42 and 43, and the roller 47 is rotatable around the axial center of the machine body 21 in the front-rear direction. It is supported by the horizontal frame 46. The drive shaft 48 is rotatably supported on the front side of the horizontal frame 46, and the driven shaft 49 is rotatably supported on the rear side of the horizontal frame 46.

As shown in FIGS. 2 and 3, a transport chain 50 is attached to the drive shaft 48 and the driven shaft 49, and two sets of round pipe-shaped push portions 50a and 50b are 180 on the transport chain 50. It is installed with a phase difference of degrees.
A position sensor 62 (see FIG. 11) that detects the presence or absence of the push portions 50a and 50b of the transport chain 50 by contacting the push portions 50a and 50b of the transport chain 50 is provided in the front portion of the container moving device 28. There is.

As shown in FIGS. 3 and 4, a predetermined position E1 is set on the upper surface of the container moving device 28 (the position where the bottom of the container 18 is supported by the roller 47). The predetermined position E1 is the container 18 in a sideways posture in a plan view (in a plan view, the long side portion of the container 18 faces the left-right direction of the machine body 21 and the short side portion of the container 18 faces the front-rear direction of the machine body 21). It has almost the same shape (square shape) as the outer peripheral part of.

As shown in FIGS. 3 and 5, at the right portion (the portion of the vertical frame 42) of the predetermined position E1 (container moving device 28), the contact portion 55 can swing up and down around the horizontal axis in the front-rear direction of the machine body 21. The contact portion 55 is urged upward by a spring (not shown). A limit switch type first sensor 51 is provided below the contact portion 55.

As shown in FIG. 8, when the container 18 is located at the predetermined position E1 (container moving device 28) (the bottom of the container 18 is supported by the roller 47), the container 18 comes into contact with the contact portion 55. Then, the contact portion 55 is pushed down and comes into contact with the first sensor 51.
If the container 18 is not located at the predetermined position E1 (container moving device 28), the contact portion 55 moves upward from the first sensor 51.
As a result, whether or not the container 18 is present at the predetermined position E1 (container moving device 28) is detected by the first sensor 51 depending on whether or not the container 18 comes into contact with the contact portion 55.

As shown in FIGS. 2, 3 and 4, a rectangular support 41 in a plan view is connected to the container deck 15 at a position slightly higher than the roller 47 behind the predetermined position E1 (container moving device 28). The container 18 can be placed on the support base 41.

As shown in FIG. 3, the front side portion of the support base 41 is in a state along the rear side portion of the predetermined position E1 (container moving device 28), and the container 18 is in the predetermined position E1 (container moving device 28). The rear surface portion of the container 18 is in contact with the front side portion of the support base 41. As a result, even if the container 18 tries to move to the rear side from the predetermined position E1 (container moving device 28), the container 18 is stopped by the support base 41.

[8]
The container accommodating portion 45 will be described.
As shown in FIG. 3, right and left guide rails 56 are provided from the container moving device 28 to the front of the container deck 15, and guide plates 57 are provided between the right and left guide rails 56. ing. A stopper 58 is provided on the front portion of the container deck 15, and the stopper 58 is configured to be able to change its posture between an upright working posture and a prone non-working posture.

As shown in FIG. 3, in the sideways posture of the container 18 (in a plan view, the long side portion of the container 18 faces the left-right direction of the machine body 21 and the short side portion of the container 18 faces the front-rear direction of the machine body 21). The length of the container housing portion 45 in the front-rear direction is set so that the three containers 18 can be placed side by side on the container housing portion 45 in the front-rear direction of the machine body 21.

As shown in FIG. 3, three container sensors 54 are provided along the front-rear direction of the body 21 of the container deck 15, and the container 18 exists when the bottom of the container 18 comes into contact with the container sensor 54. Whether or not to do so is detected at each position of the container sensor 54.

[9]
The structure between the container mounting portion 29 and the predetermined position E1 (container moving device 28) will be described.
As described in [13] described later, when the container 18 placed on the container placing portion 29 is filled with the carrot A, the worker sets the container 18 into a container as shown in FIGS. It is moved from the mounting portion 29 to the predetermined position E1 (container moving device 28).

As shown in FIG. 3, a roller 59 is rotatably supported around the horizontal axis in the front-rear direction of the machine body 21 between the container mounting portion 29 and the predetermined position E1 (container moving device 28). The upper surface of the 59 and the upper surface of the roller 47 are set to substantially the same height.

As shown in FIGS. 3 and 5, a trapezoidal contact portion 60 in a plan view is provided between the container mounting portion 29 and the predetermined position E1 (container moving device 28) as a horizontal axis in the front-rear direction of the machine body 21. It is supported so as to swing up and down around P3, and the contact portion 60 is urged to the ascending side by a spring (not shown). A roller 60a is rotatably supported around a horizontal axis in the front-rear direction of the machine body 21 on a portion of the contact portion 60 on the container mounting portion 29 side.

As shown in FIG. 5, a second sensor 52 of the potentiometer type is provided under the contact portion 60, and the elevating and lowering of the contact portion 60 can be detected by the second sensor 52.
In a state where the container 18 is not mounted on the contact portion 60, the contact portion 60 is raised by the spring, and by contacting the fixed rod 61, the contact portion 60 is positioned at the upper limit position, and the second sensor 52 is in a state where the presence of the container 18 is not detected.

As shown in FIG. 7, when the container 18 is placed on the contact portion 60, the bottom portion of the container 18 comes into contact with the contact portion 60 and the contact portion 60 descends, and the second sensor 52 presents the container 18. Is in the state of being detected. When the contact portion 60 is lowered, the end portion of the contact portion 60 comes into contact with the vertical frame 43, so that the lower limit position of the contact portion 60 is determined.

[10]
As shown in FIG. 11, the control device 63 is provided, and the detection signals of the first, second and third sensors 51, 52 and 53, the detection signals of the position sensor 62, and the detection signals of the three container sensors 54 are It is input to the control device 63. The operation signals of the operation switch 25 and the stop switch 27 of the transfer device 14 are input to the control device 63.

As shown in FIG. 11, a setting switch 64 for setting the container moving device 28 to the automatic state and a manual state described in [15] described later, and an operation switch 65 for setting the container moving device 28 to the manual state. Is provided on the upper part of the support frame 20 (see FIG. 4), and the operation signals of the setting switch 64 and the operation switch 65 are input to the control device 63.

As shown in FIG. 11, the control device 63 is provided with a check unit 66 as software. The check unit 66 blocks the operation of the container moving device 28 when at least one of the second sensor 52 and the third sensor 53 detects the presence of the container 18.
The check unit 66 allows the container moving device 28 to operate when the second sensor 52 does not detect the presence of the container 18 and the third sensor 53 does not detect the presence of the container 18.

In this carrot harvester, the carrot A coming out from the terminal portion of the transport device 14 is collected in the container 18, and when the container 18 is full of the carrot A, the container 18 full of the carrot A is moved to the container deck 15. The work of placing the empty container 18 on the container mounting unit 29 is repeated.
As described above, in the work of collecting the carrot A in the container 18, the transfer device 14 and the container moving device 28 are operated by the control device 63 as described in [11] to [16] described later.

In the state shown in FIG. 8, the container 18 is not mounted on the container mounting portion 29, and the container mounting portion 29 is held at the first position L (the operating portion 38 is operated to the ascending side by the spring). , The engaging portion 38a of the operating portion 38 is engaged with the locking portion 36 (holding state).

When an empty container 18 is placed on the container mounting portion 29 in the state shown in FIG. 8, as shown in FIG. 5, the bottom portion of the container 18 comes into contact with the operating portion 38, the operating portion 38 is lowered, and the operating portion 38 is engaged. Since the portion 38a is in a state of being disengaged from the locking portion 36 (holding release state), the container mounting portion 29 (container 18) is raised to the second position H by the gas damper 33.

[11]
The work flow for collecting the carrot A in the container 18 will be described (No. 1).
In the state shown in FIG. 5, as described in the previous section [10], an empty container 18 is placed on the container mounting portion 29 held at the first position L, and the container mounting portion is placed by the gas damper 33. 29 is in a state of being raised to the second position H, and the container 18 is not in a predetermined position E1 (container moving device 28).

In this case, as shown in FIG. 5, in a sideways posture (in a plan view, the long side portion of the container 18 faces the left-right direction of the machine body 21 and the short side portion of the container 18 faces the front-rear direction of the machine body 21). The container 18 is mounted on the container mounting section 29.

In the state shown in FIG. 5, the bottom portion of the container 18 is in contact with the operation unit 38, the operation unit 38 is operated to the lower side (holding release state of the engagement portion 38a of the operation unit 38), and the third sensor 53 Is in a state of detecting the existence of the container 18.
Since the container 18 is not placed on the contact portion 60, the contact portion 60 is located at the upper limit position, and the second sensor 52 does not detect the container 18.
Since the container 18 is not located at the predetermined position E1 (container moving device 28), the first sensor 51 does not detect the presence of the container 18, and the container moving device 28 is stopped.

As shown in FIGS. 5 and 6, the carrot A is transported toward the container 18 by the transport device 14. As shown in FIGS. 1, 2, 3 and 4, the worker is seated on the worker chair 16 (worker deck 17), and the worker visually observes the carrot A transported by the transport device 14. When a defective carrot A such as a scratch is found, the operator takes out the defective carrot A from the transport device 14.

In this case, as shown in FIGS. 2, 3 and 4, in the transport device 14, the transport body 24 on which the carrot A is placed is freely rotatably supported by the transport chain 22, and the transport body 24 is transported. However, it is in a state where it can rotate.

As a result, as shown in FIGS. 2, 3 and 4, when the transport body 24 moves while the carrot A is placed on the transport body 24, the carrot A is in a state where it can rotate while being transported by the transport body 24. (While the carrot A is being transported in the same manner as the transport body 24, due to vibration during transportation of the carrot A, contact between the carrots A, and an action in which the worker puts his / her hand on the carrot A to rotate the carrot A. , It will be in a state of rotating).

As described above, in the transport device 14, the carrot A is in a state where it can rotate while being transported, so that the carrot A is inverted due to the rotation of the carrot A so that the operator can visually check the front surface and the back surface of the carrot A. Therefore, defective carrot A is more likely to be found.

As shown in FIGS. 3, 4, and 11, the transport device 14 can be stopped by operating the stop switch 27, and the transport device 14 can be operated by operating the operation switch 25. .. By stopping the transport device 14 in this way, the defective carrot A can be easily taken out from the transport device 14.

[12]
The work flow for collecting the carrot A in the container 18 will be described (Part 2).
As described in the previous section [11], when the carrot A is transported by the transport device 14 and reaches the terminal portion of the transport device 14, the carrot A is transferred from the terminal portion of the transport device 14 to the container of the container mounting portion 29. It is thrown into 18 and collected.

In this case, as shown in FIG. 5, the container mounting portion 29 (container 18) is located at the second position H, and the container mounting portion 29 (container 18) rises to the terminal portion of the transport device 14. It is in a close state (a state in which the distance between the container mounting portion 29 (container 18) and the terminal portion of the transport device 14 is narrow).

As a result, as shown in FIG. 5, the height difference between the terminal portion of the transport device 14 and the container mounting portion 29 (container 18) is small, and the vehicle is loaded from the terminal portion of the transport device 14. The impact when the carrot A collides with the bottom of the container 18 is reduced, and the damage of the carrot A is suppressed.

As shown in FIGS. 5 to 6, as the carrot A is put into the container 18 from the transport device 14, the gas damper 33 contracts due to the weight of the carrot A, and the container mounting portion 29 lowers. When the container 18 is filled with the carrot A, the container mounting portion 29 reaches the first position L and stops.

As shown in FIG. 6, the roller 60a of the contact portion 60 is located above the roller 59 (see FIG. 3) in a state where the contact portion 60 is located at the upper limit position.
As a result, when the container mounting portion 29 reaches the first position L and stops while the contact portion 60 is located at the upper limit position, the right surface portion of the container 18 comes into contact with the roller 60a of the contact portion 60. The movement of the container 18 to the predetermined position E1 (container moving device 28) due to vibration or the like is stopped by the roller 60a of the contact portion 60.

As shown in FIG. 6, when the container mounting portion 29 is located at the first position L and the container 18 is mounted on the container mounting portion 29, the operating portion 38 is operated to the lowering side. (The holding release state of the engaging portion 38a of the operating portion 38), and the third sensor 53 is in a state of detecting the presence of the container 18.

[13]
The work flow of collecting the carrot A in the container 18 will be described (No. 3).
As shown in FIG. 6, when the container mounting portion 29 reaches the first position L and stops, the operator manually pushes the container 18 from the container mounting portion 29 toward the predetermined position E1.

As a result, as shown in FIGS. 6 and 7, the container 18 is placed on the upper side of the roller 60a of the contact portion 60, and is operated to the lower side until the contact portion 60 reaches the lower limit position. When the contact portion 60 is operated to the lower side by the container 18, the second sensor 52 is in a state of detecting the container 18.

As shown in FIG. 7, when the operator manually pushes the container 18 from the container mounting portion 29 to the right side and the container 18 is separated from the operation portion 38 to the right side, the operation portion 38 is operated to the ascending side by the spring. To. As a result, the third sensor 53 does not detect the presence of the container 18, and the engaging portion 38a of the operating portion 38 automatically engages with the locking portion 36 (holding state). The container mounting portion 29 is held at the first position L.

As shown in FIG. 7, in the state where the contact portion 60 is located at the lower limit position (the end portion of the contact portion 60 is in contact with the vertical frame 43), the upper surface of the contact portion 60 (roller 60a) is the roller 59 (the roller 59 (roller 60a). It is located at substantially the same height as the upper surface of the upper surface of the roller 47 (see FIG. 3) and the upper surface of the roller 47 (the height of the predetermined position E1 (container moving device 28)).

As a result, as shown in FIGS. 7 and 8, the container 18 is placed in the container while the bottom of the container 18 is stably supported by the contact portion 60 (roller 60a), the roller 59 (see FIG. 3), and the roller 47. It can be moved from the unit 29 to the predetermined position E1 (container moving device 28).

[14]
The work flow for collecting the carrot A in the container 18 will be described (No. 4).
As shown in FIG. 8, when the container 18 is moved from the container mounting portion 29 to the predetermined position E1 (container moving device 28), the container 18 is in a state of being supported by the roller 47, and the container 18 is in the contact portion. When it comes into contact with 55, the contact portion 55 is lowered, and the first sensor 51 is in a state of detecting the presence of the container 18.

In this case, when the first sensor 51 is in a state of detecting the presence of the container 18, the container moving device 28 is in a state of operating.
However, if not all parts of the container 18 are located at the predetermined position E1 (container moving device 28) and a part (bottom) of the container 18 is placed on the contact portion 60, the contact portion 60 is lowered by the container 18. The state of being operated to the side is maintained, and the state in which the second sensor 52 detects the container 18 is maintained.

As described above, even if the first sensor 51 detects the presence of the container 18, the container moving device 28 is stopped if the second sensor 52 detects the container 18 (checking unit). The operation of the container moving device 28 is blocked by 66).

Assuming that the container 18 is moved from the container mounting portion 29 to the predetermined position E1 (container moving device 28) and all the parts of the container 18 are located at the predetermined position E1 (container moving device 28), the first sensor 51 Is in a state of detecting the presence of the container 18, the container 18 is separated from the contact portion 60, the contact portion 60 is raised to the upper limit position, and the second sensor 52 is in a state of not detecting the container 18.

[15]
The work flow for collecting the carrot A in the container 18 will be described (No. 5).
As described in the previous section [14], when the first sensor 51 detects the presence of the container 18 and the second sensor 52 and the third sensor 53 do not detect the container 18, the container moving device 28 operates. It will be in a possible state.

As shown in FIG. 11, if the container moving device 28 is set to the automatic state by the setting switch 64, the first sensor 51 is in the state of detecting the presence of the container 18, and the second sensor 52 and the third sensor 53 are in the state of detecting the presence of the container 18. When the container 18 is not detected, the container moving device 28 operates without delay to move the container 18 from the predetermined position E1 (container moving device 28) to the container accommodating portion 45.

As shown in FIG. 11, if the container moving device 28 is set to the manual state by the setting switch 64, the first sensor 51 is in the state of detecting the presence of the container 18, and the second sensor 52 and the third sensor 53 are in the state. The container moving device 28 does not operate even if the container 18 is not detected, and when the operator operates the operation switch 65 in this state, the container moving device 28 operates.

As a result, the following operations can be performed by the operator operating the operation switch 65 in a state where the container moving device 28 is set to the manual state by the setting switch 64.

In a state where the container 18 is located at a predetermined position E1 (container moving device 28) (a state in which the first sensor 51 detects the presence of the container 18 and the second sensor 52 and the third sensor 53 do not detect the container 18). When the next empty container 18 is placed on the container mounting section 29 and the next container 18 is filled with carrot A, the worker manually lifts the next container 18 from the container mounting section 29. Stack on the container 18 at the predetermined position E1 (container moving device 28).

In the above-mentioned state, the operator operates the operation switch 65 to operate the container moving device 28, so that the containers 18 stacked in two stages are moved from the predetermined position E1 (container moving device 28) to the container accommodating portion 45. Can be made to.

As described above, after the container moving device 28 moves the container 18 from the predetermined position E1 (container moving device 28) to the container accommodating portion 45 and stops, the container placing portion 29 held in the first position L When an empty container 18 is placed, the bottom of the container 18 comes into contact with the operation unit 38, the operation unit 38 is lowered, the engaging portion 38a of the operation unit 38 is disengaged from the locking portion 36 (holding release state), and the gas damper 33 is placed. As a result, the container mounting portion 29 (container 18) rises to the second position H, and returns to the state described in FIG. 5 and the previous item [11].

[16]
The work flow for collecting the carrot A in the container 18 will be described (No. 6).
As shown in FIG. 9, the container moving device 28 is stopped at a position where the push portion 50a of the transport chain 50 comes into contact with the position sensor 62, and the push portion 50b of the transport chain 50 is on the front side portion of the support base 41. It is located on the lower side of the rear side.

As shown in FIG. 3, the front side portion of the support base 41 is in a state along the rear side portion of the predetermined position E1, and the container 18 tries to move to the rear side from the predetermined position E1 (container moving device 28). Also, the container 18 is stopped by the support 41 (see the previous section [7]).
As a result, in a plan view, the rear surface portion of the container 18 at the predetermined position E1 (container moving device 28) is not located on the rear side beyond the push portion 50b (push portion 50a) of the transport chain 50.

When the container moving device 28 operates in the above-mentioned state, as shown in FIG. 9, the transport chain 50 is rotationally driven, and the push portion 50b of the transport chain 50 hits the rear surface portion of the container 18 and pushes the container 18 forward. The container 18 moves to the front side while being supported by the roller 47 in the sideways posture, and is placed on the guide rail 56.

When the push portion 50b of the transport chain 50 comes into contact with the position sensor 62, the container moving device 28 (convey chain 50) stops, and the container 18 in the sideways posture moves to the position shown in FIG. 9 in the container housing portion 45. Stop.

In the state shown in FIG. 9, the container 18 is placed on the first container sensor 54 among the three container sensors 54, and the first container sensor 54 detects the container 18 and is transported. The push portion 50a of the chain 50 is located below the rear side of the front side portion of the support base 41.

In the above-mentioned state, when the container moving device 28 operates after moving the next container 18 from the container mounting portion 29 to the predetermined position E1 (container moving device 28), as shown in FIG. 10, the transport chain 50 The pushing portion 50a pushes the container 18 to the front side, and the container 18 moves to the front side while being supported by the roller 47 in the sideways posture, and guides the container 18 in the sideways posture on the guide rail 56 while pushing it to the front side. It sits on rail 56.

When the push portion 50a of the transport chain 50 comes into contact with the position sensor 62, the container moving device 28 (convey chain 50) stops, and the container 18 in the sideways posture moves to the position shown in FIG. 10 in the container housing portion 45. Stop.

In the state shown in FIG. 10, among the three container sensors 54, the container 18 is placed on the first and second container sensors 54, and the first and second container sensors 54 detect the container 18. The push portion 50b of the transport chain 50 is located below the rear side of the front side portion of the support base 41.

By repeating the above work, three laterally oriented containers 18 (six laterally oriented containers 18 when the containers 18 are stacked in two stages) are placed in the container accommodating portion 45 in the front-rear direction of the machine body 21. Can be housed side by side.

When three laterally oriented containers 18 (six laterally oriented containers 18 when the containers 18 are stacked in two stages) are housed in the container accommodating portion 45, all the container sensors 54 detect the container 18. It will be in a state of doing. As a result, the alarm buzzer (not shown) is activated to notify that the container accommodating portion 45 is full, and the stopped state of the container moving device 28 is maintained (the operation of the container moving device 28 is activated). Stopped).

[First Different Mode of Implementation of the Invention]
In the above-described [mode for carrying out the invention], the driving unit 2 is provided on the left side of the front portion of the airframe 21, the container accommodating unit 45 is provided on the left outer side of the operating unit 2, and the front portion of the airframe 21 The harvesting unit 3 may be provided on the right side, and the transport device 14 may be configured to transport the carrot A from the rear portion of the harvesting unit 3 to the left side of the machine body 21 at the rear portion of the machine body 21.

[Second alternative form of carrying out the invention]
In the above-mentioned [mode for carrying out the invention] and [first alternative form for carrying out the invention], both the front and rear support frames 19 and 20 are the rear end portion of the crawler traveling device 1 in a plan view and a side view. The transport device 14 may be arranged so as to be located on the front side of the machine body 21 with respect to 1a.

[Third alternative form of carrying out the invention]
In the above-mentioned [mode for carrying out the invention] [first alternative form for carrying out the invention] [second alternative form for carrying out the invention], four or five laterally oriented containers 18 (two stages of the container 18). 8 or 10 containers 18) in a sideways posture may be arranged and stored in the container accommodating portion 45 in the front-rear direction of the machine body 21.

The present invention can be applied not only to carrot harvesters but also to crop harvesters such as radish harvesters and onion harvesters.

1 Crawler traveling device 1a Rear end of crawler traveling device 2 Driving unit 3 Harvesting unit 14 Transporting device 18 Container 19 Front part of transporting device 20 Rear part of transporting device 21 Airframe 28 Container moving device 29 Container mounting part 32 Mission case 45 Container Containment section
51 1st sensor
52 Second sensor A Crop E1 Predetermined position

Claims (5)

One of the right and left parts of the front part of the fuselage supported by the right and left crawler traveling devices is provided with a harvesting part, and the other of the right and left parts of the front part of the aircraft is provided with a driving part. ,
A transport device for loading the crops coming out from the rear part of the harvesting section into the container while transporting the crops in the left-right direction of the machine body is provided at the rear part of the machine body along the left-right direction of the machine body.
The transport device is arranged so that the front portion of the transport device is located in front of the rear end portion of the crawler traveling device in a plan view .
A container mounting portion on which a container into which crops are loaded from the transport device is placed is provided at the terminal portion of the transport device.
A container accommodating unit for placing a container into which crops have been loaded from the transport device is provided on the outside of the operating unit along the front-rear direction of the machine body.
When the container moves from the container mounting portion to a predetermined position on the rear side of the container accommodating portion, a container moving device for moving the container from the predetermined position to the container accommodating portion is provided.
A first sensor for detecting whether or not the container exists at the predetermined position and a second sensor for detecting whether or not the container exists between the container mounting portion and the predetermined position are provided. ,
When the second sensor detects the presence of the container, the operation of the container moving device is blocked, and the operation of the container moving device is blocked.
A crop harvester in which the operation of the container moving device is permitted when the first sensor detects the presence of a container and the second sensor does not detect the presence of a container. The crop harvester according to claim 1, wherein the transport device is arranged so that the rear portion of the transport device is located behind the rear end portion of the crawler traveling device in a plan view. The crop harvester according to claim 1 or 2, wherein a mission case including a transmission for traveling is provided between the harvesting section and the driving section at the front portion of the machine body in a plan view. In a plan view, the container accommodating portion is placed side by side with the long side of the container facing the left-right direction of the machine and the short side of the container facing the front-back direction of the machine. The crop harvester according to any one of claims 1 to 3. The container into which the crop is loaded from the transport device is placed on the container mounting portion in the sideways posture.
The container moving apparatus, the container of the horizontal position is moved before Kisho place from the container mounting part, the請Motomeko 4 from the predetermined position the container in the horizontal position Before moving to the container housing portion The listed crop harvester.

Images