JP6545593B2 - Root vegetables harvester - Google Patents

Description

  The present invention relates to a root vegetable harvester for harvesting root vegetables in which some or most of crops to be harvested such as potato, carrot, radish, and onion are embedded in the soil. .

This kind of root crop harvester is equipped with a sampling transport device that withdraws the root crop in the field and transports it backwards, and a root crop harvester that has a mud removal device that scrapes the mud adhering to the lower part of the crop that is pulled out and transported. Are conventionally known.
In this conventional root crop harvester, a removal and transfer device rotatably supported on a rotating support provided on a traveling machine body is provided, and the mud removing device includes a rotating support and a removal and transfer device. It is fixed to a rotating frame to be connected, and is mounted on a transmission shaft to which power is transmitted from a transmission pulley to which engine power on the traveling machine body side is transmitted (see Patent Document 1).

JP, 2006-254864, A (paragraph "0016" and "0022", refer to Drawing 3, Drawing 4, and Drawing 5).

In the structure shown in Patent Document 1, the mud removing device is disposed at a position where a pivoting frame for rotatably supporting the extracting and transporting device exists and at a position where engine power on the traveling body can be transmitted. It is set up. For this reason, the installation position of the mud removal device is restricted to a relatively high position and a position where it is easy to transmit the engine power. Mud removal work is done in the state of being lifted up.
For this reason, there is a possibility that the mud scraped off from the crop may fall on the airframe or on the crop to be removed, and there is room for improvement in this respect.

  SUMMARY OF THE INVENTION The present invention seeks to provide a root crop harvester equipped with a mud-dropping device of a structure which makes it easy to carry out the mud-dropping of crops as early as possible.

The feature of the root crop harvester according to the present invention is to remove the mud by contacting the roots of the crop being transported under the transport path in the sampling transport device and the transport path in the sampling transport device for extracting and transporting backward crops in the field. A mud removing device, the mud removing device being in contact with the crop to scrape off the deposited mud, an electric motor for rotationally driving the rolling contact, and a movement locus of the crop. and a supporting frame member for supporting the contact rotating body and the electric motor provided with a bottom plate portion side plate portion positioned on the left and right sides to be located on the lower side of the moving track, said support frame, said sampling the support frame for causing equipped with conveying device traveling machine body, is mounted via a mounting stay that provided continuously downward from the support frame, and front and rear side及along the movement locus The upper side is opened and the left and right sides of the movement track and the lower side are covered in a bowl shape, and the rotation direction on the upper side of the contact rotating body is the same as the transport direction of the crop by the extraction and transport device And at a point where the outer peripheral edge of the rotational locus of the contact rotating body is in contact with or substantially in contact with the upper surface of the bottom plate portion .

According to the present invention, the mounting position of the mud removing device is fixed on the traveling machine body by using the mounting stay and the electric motor connected downward from the support frame for equipping the traveling machine body with the extracting and conveying device. A wide range can be selected without being restricted by the positional relationship with the part or the transmission system. Therefore, there is an advantage that it is possible to select an arbitrary position near the front end of the extracting and conveying device, and to easily avoid the possibility of mud scraped off from the crop falling on the airframe or on the crop to be extracted. In addition, since the support frame that supports the contact rotating body is formed in a bowl shape covering both the left and right sides and the lower side of the movement locus of the crop, the mud scraped off by the contact rotating body scatters in the left and right direction The risk can be reduced.
Furthermore, according to the present invention, since the rotation direction on the upper side of the contact rotating body is a direction along the same direction as the crop conveying direction by the extracting and conveying device, the conveying resistance of the conveyed crop can be reduced. In addition, it is possible to sweep out the mud that has fallen to the upper surface of the bottom plate portion by using the rotation of the contact rotating body, and it is possible to reduce the possibility of the mud being deposited on the upper surface of the bottom plate portion.

In the present invention, before Symbol support frame, it is preferable that the bottom plate portion upstream side in the moving direction of the crop is disposed at a lower front edge orientation.

According to the present invention, since the bottom plate portion supporting region frame is the upstream side is lowered before low posture at the direction of movement of the crop, increasing the tendency for mud scraped to slide down to the forward and downward, the gutter-shaped support frame body Can reduce the possibility of depositing a lot of mud.

Another feature of root vegetable harvester definitive to the present invention includes a sampling feeder backward conveying withdrawn field crops, below the transport path in the sampling conveying device, in contact with the root portion of the crop in the transport A mud removing device for removing mud, the mud removing device comprising: a contact rotating body for scraping off the attached mud by contacting with the crop; an electric motor for rotationally driving the contact rotating body; A support frame comprising a side plate portion positioned on both left and right sides of a movement trajectory and a bottom plate portion positioned below the movement trajectory, the support frame supporting the contact rotating body and the electric motor A support frame for mounting the removal and transfer apparatus to a traveling machine body is mounted via a mounting stay continuously provided downward from the support frame, and both the front and rear sides along the movement trajectory And right and left sides and the lower side of the movement trajectory with the upper side is opened is formed on the trough being covered, the contact rotating body is flexible and soft shaped plurality of contact plate having a, the contact plate The drive shaft has a driven side angular shaft on which the contact plate is attached to the outer peripheral portion, and a drive side angle which is connected to the electric motor and can be inserted and removed with respect to the driven side angular shaft The drive shaft is connected to the output shaft of the electric motor in which one side of the drive side angular shaft is fixed to the side plate portion, and the other side of the drive side angular shaft is the side plate Preferably it is pivoted to a part.

  According to the present invention, since the drive shaft is constituted by a double shaft, it is easy to detach and attach the driven side angular shaft of the contact rotary body to which the contact plate is attached to the outer peripheral portion. Therefore, it is easy to perform maintenance and cleaning of the contact plate and the like.

  In the present invention, it is preferable that the mud removing device is disposed forward of the front end of the crawler traveling device provided in the traveling body.

  According to the present invention, the scraping operation is performed on the front side of the front end of the crawler traveling device, and it is easy to avoid the scattering of the scraped mud onto the untreated crop and the traveling vehicle.

It is a left view which shows a root vegetable harvester. It is a top view which shows a root vegetable harvester. It is a rear elevation showing a root vegetable harvester. It is a side view which shows a storage apparatus. It is a side view showing a leaf section cutting device and a root cutting device. It is a side view showing a mud removing device. It is a side view showing a mud removing device. It is a rear elevation showing a mud removing device. It is a disassembled explanatory view showing a mud removing device.

Hereinafter, an example of an embodiment of the present invention will be described based on the description of the drawings.
In the description of the present embodiment, the front-rear direction and the left-right direction are described as follows, unless otherwise specified. That is, the traveling direction (refer to arrow F in FIG. 2) on the forward side during working traveling of the traveling vegetable 1 of the root vegetable harvester to which the present invention is applied is “forward” and the traveling direction to the reverse (refer to arrow B in FIG. 2), the direction corresponding to the right side with reference to the forward posture in the front-back direction (see arrow R in FIG. 2) is the right direction, similarly the direction corresponding to the left (see arrow L in FIG. 2) Is the "left".

〔overall structure〕
FIGS. 1 to 3 illustrate a kabra harvester as an example of a root crop harvester for harvesting root crops.
This turnip harvester comprises a pair of left and right crawler traveling devices 11 below the machine body frame 10, and a steering unit 12 at the front of the right side of the machine to constitute the traveling machine body 1.
In the traveling body 1, a harvesting section 1A for harvesting the crop main section k1 with the crop in the field removed and the root and leaves removed, and a sorting section 1B for sorting the harvested crop main section k1 And an accommodating portion 1C for accommodating the selected crop main portion k1 on the machine body. That is, the turnip harvester pulls up the straw as a crop from the field as the machine travels, and accommodates the crop main portion k1 on the traveling body 1. The crop main part k1 referred to in this embodiment is a part other than the leaf and root parts of the persimmon, and the non-crop main part k2 indicates other than the crop main part k1 such as the leaf part and the root part.

The harvesting section 1A is provided with a long pick-out and conveying apparatus 2 for extracting and transporting backward a crop on a field, which is disposed on the left side of the traveling machine 1 on the airframe side.
The storage unit 1C is provided with a storage device 6 for storing the crop harvested by the removal and transfer device 2. The storage device 6 is disposed at the rear right side of the machine opposite to the side where the removal and transfer device 2 is positioned in the left-right direction.
In the sorting section 1B, the relay transport device 5 for transferring the crop from the transport end position in the removal transport device 2 on the left side of the machine toward the storage device 6 on the right side of the machine, and the sort for crop on the relay transport device 5 An auxiliary boarding unit 13 on which an auxiliary worker boardes is provided.

A motive power unit provided with an engine 14 is provided at a right front portion of the vehicle body frame 10 of the traveling airframe 1, and a driver seat 12a of the steering unit 12 is installed in a state of covering the upper side of the motive power unit. A control unit step 12b is provided below and in front of the driver's seat 12a, and a control tower 12c provided with an operating tool or the like for steering operation is provided in the front position of the control unit step 12b.
As shown in FIG. 2 and FIG. 3, an auxiliary step 77 capable of rocking and rocking around an axial center in the front-rear direction is provided on the right lateral side of the storage device 6. This auxiliary step 77 is a storage in which the step surface 77a for footrest is folded in the use posture along the horizontal direction (see FIG. 2) and the step surface 77a is erected so that the auxiliary worker can stand and get on. The posture can be switched to the posture (see FIG. 3).

Further, as shown in FIG. 1, the airframe 10 of the traveling airframe 1 is also equipped with a soiling device 8. This soil placement device 8 is for supplying the soil of the collapsed straw to the ditch portion between the ridges by breaking up the straw after the crop has been pulled out along with the forward traveling of the traveling airframe 1, and 80, and a lifting cylinder 81 for lifting and lowering the earthing blade 80.
In other words, it is possible to switch between the posture of the blade for earthing 80 to the working posture in which the lower edge of the blade for earthing 80 has plunged into the ground and the operation release posture in which the lower edge of the blade for earthing 80 is pulled up from the soil It is configured to break up the weirs in the working posture and supply soil to the interstices of the weirs.

[Harvest department]
The harvesting unit 1A will be described.
As shown in FIGS. 1 to 3, the picking and transporting apparatus 2 is disposed in the harvesting section 1A. The take-out and transfer device 2 has a pair of endless turning belts 20a and 20a in an upward inclined posture and a endless turn thereof with a transfer start end positioned near the ground and at a high level on the rear side of the machine toward the transfer end side. It has a pinching and conveying device 20 constituted by a drive pulley 20b and a driven pulley 20c around which the moving belts 20a and 20a are wound. The nipping and conveying device 20 is disposed along the left end portion of the traveling machine body 1, and a pulling-up and conveying path along the longitudinal direction of the traveling body 1 between the left and right endless rotation belts 20a and 20a. r1 is configured.
By picking up the leaves of the crop to be harvested with a pair of endless rotating belts 20a, 20a and conveying them upward in the backward direction of the machine body, harvesting is performed by the lifting action in the sandwiched state by a pair of endless rotating belts 20a, 20a. The target crop is removed from the field. Then, the crop pulled out from the field is subjected to predetermined processing while being lifted and conveyed in the hanging posture in which the leaf portion is held as it is, and then dropped and discharged from the conveyance end portion.

The extracting and conveying device 2 includes, on the front side of the front end of the pinching and conveying device 20, a pair of well-known vertical turning type wefting devices 21 for dividing the crop leaves and a known horizontal It has a swivel-type raising device 22. The branching device 21 and the raising device 22 function to cause the leaves of the crop while branching. A subsequent pinching and conveying device 20 sandwiches and transports the leaves of the crop erected by the branching device 21 and the raising device 22 backward. At this time, since the leaves of the crop are raised in advance by the weeding device 21 and the raising device 22, it is easy to hold the leaves of the crop by the following holding and conveying device 20, so that the passing of the crop is good. It is easy to be done.
In addition to this, the removal and transfer device 2 includes a leaf portion cutting device 24 for cutting a leaf portion (corresponding to a non-crop main portion) as a device for performing predetermined treatment on a crop during transfer, and a root portion of a crop A root cutting device 4 for cutting (corresponding to a non-crop main part), and a mud removing device 3 for scraping off mud adhering to the lower part of the crop before the root cutting by the root cutting device 4 is performed Is equipped.

A pair of endless rotating belts 20a and 20a of the weighing device 21 and the raising device 22 and the holding and conveying device 20 correspond to a main support frame 23 (back and forth direction) for supporting the entire extracting and conveying device 2 Supported by The main support frame 23 is pivotally connected at its rear end side to the upper end portion of the column member 16 erected from the body frame 10 so as to be vertically pivotable around a pivot point x1 along the horizontal direction. There is. The front portion of the main support frame 23 is supported by a lift cylinder 15 provided between the main support frame 23 and the machine body frame 10, and the entire main support frame 23 swings up and down around the swinging fulcrum x1 by the extension operation of the lift cylinder 15. It is configured to be movable.
Further, the leaf cutting device 24, the root cutting device 4 and the mud removing device 3 are supported by the main support frame 23 in a suspended state. Therefore, as the main support frame 23 swings up and down, the upper and lower positions of the leaf cutting device 24, the mud removing device 3, and the root cutting device 4 also change.

The endless rotating belts 20a wound around a drive pulley 20b provided on the rear end side and a driven pulley 20c provided on the front end side are drive pulleys 20b to which the power of the engine 14 is transmitted via a transmission system (not shown). It is rotationally driven along with the rotation of.
At this time, the left and right endless rotation belts 20a and 20a rotate in opposite directions with the outer circumferential surfaces of the belts facing each other in the same plane. That is, as shown in FIG. 2, the endless rotating belt 20a positioned at the outermost side in the left-right direction rotates clockwise in plan view, and the endless rotating belt 20a positioned on the inboard side of the machine rotates counterclockwise. Between the opposing surfaces of the endless rotating belts 20a and 20a, a pulling-up conveying path r1 is formed which sandwiches the leaf portion of the crop and conveys it backward.
The drive pulley 20b and the driven pulley 20c described above are both supported by the main support frame 23, and the left and right endless rotation belts 20a and 20a are disposed along the lower sides of the left and right main support frames 23. ing.

The leaf portion cutting device 24 provided to cut the leaf portion during conveyance by the pull-up conveyance path r1 is configured as shown in FIG.
That is, in the leaf cutting device 24, a pair of left and right shoulder aligned conveyances gripping the leaves of the crop being conveyed by the endless rotation belts 20a, 20a on the lower side of the endless rotation belts 20a, 20a and simultaneously conveying them backwards The belts 24a, 24a are provided.
The shoulder-aligning transport belts 24a, 24a rotate in a plane inclined by a predetermined angle θ1 so that the lower side in the crop transport direction is apart from the plane on which the endless rotating belts 20a, 20a rotate. A pair of left and right disk-like cutting blades 24b, 24b for cutting are provided near the conveyance end of the shoulder-aligned conveyance belts 24a, 24a (near the rear end).
Therefore, the endless rotating belts 20a and 20a and the shoulder aligning and conveying belts 24a and 24a are used, in which the vertical intervals between the gripping positions of the crop leaves gradually expand toward the lower side in the transport direction. During simultaneous conveyance by the belts 20a and 24a, cutting of the leaf by the cutting blades 24b and 24b is facilitated with the leaf of the crop being stretched with little slack. The cutting blades 24b and 24b cut the crop main portion k1 on the lower side of the shoulder-aligning transport belts 24a and 24a of the crop main portion k1 in which the upper shoulders are in contact with the lower portions of the shoulder-aligning transport belts 24a and 24a. Do.

The root cutting device 4 provided to cut the root portion of a crop on the way of conveyance by the extraction and conveyance route r1 is configured as shown in FIG.
That is, of the pair of left and right main support frames 23, a square pipe-shaped mounting support rod 40 is integrally provided downward from the main support frame 23 positioned on the inboard side of the vehicle. The front end side of the parallel link mechanism 41 is connected to the attachment support rod 40, and the blade attachment member 42 is supported on the rear end side of the parallel link mechanism 41. A flat cutter 43 is provided on the blade attachment member 42 in such a manner as to cross the extraction and conveyance path r1 by the endless turning belts 20a and 20a.
The position of the cutter 43 in the cropping direction in the root cutting device 4 in the crop conveying direction is a portion corresponding to the upper side in the conveying direction than the portion where the cutting blades 24b and 24b of the leaf cutting device 24 exist. It is in the range where simultaneous conveyance by 20a and 20a and shoulder alignment conveyance belts 24a and 24a is performed.
Therefore, during simultaneous conveyance by the endless rotating belts 20a and 20a and the shoulder-alignment conveying belts 24a and 24a, the crop posture is stabilized more than in the case where the leaf is pinched only by the endless rotating belts 20a and 20a. Cutting of the root by the cutter 43 is performed.

The root cutting device 4 further includes a biasing member 44 formed of a coil spring that biases the rear end side of the parallel link mechanism 41 upward, and a stopper member (not shown). The cutter 43 attached to the blade attachment member 42 constantly maintains the reference height position (corresponding to the reference position) with respect to the endless rotating belts 20a and 20a constant by the biasing member 44 and the stopper member. It is biased to the Therefore, when the diameter of the crop to be transported through the extraction transport route r1 is large and the root portion of the crop at the time of cutting reaches a position lower than the cutter 43 in the posture at the reference position, The parallel link mechanism 41 is pushed down according to the size of the crop, and the cutter 43 moves to the side (lower side) away from the endless rotating belts 20a and 20a, and cuts the appropriate position near the root of the crop.
As described above, although the cutter 43 moves in the near and far directions with respect to the endless rotation belts 20a and 20a, since the cutter 43 is supported via the parallel link mechanism 41, the cutter 43 is relative to the endless rotation belts 20a and 20a. Even if the vertical position changes, the cutting direction of the cutter 43 is maintained substantially parallel to the posture at the reference height position, along the crop conveying direction by the endless rotating belts 20a and 20a. Get down.
Then, even if the relative position between the endless rotating belts 20a and 20a and the cutter 43 temporarily changes due to the position change of the cutter 43 vertically, the cutter 43 is moved by the biasing member 44 when the crop passes the cut portion. The height position of is returned to the reference position defined by the stopper member.
The mud removing device 3 will be described later.

  Reference numeral 25 in FIG. 1 and FIG. 2 is a grounding ring provided at the tip of the main support frame 23 on the right side, and the posture of the branching device 21, the raising device 22 and the holding and conveying device 20 is predetermined ground height. To maintain the

As shown in FIG. 1 to FIG. 3, in the rear part of the transport end of the removal and transport device 2, a hook-like discharge is made to slip so as to catch the leaf falling off from the transport end and discharge it to the rear side of the machine. A guide 26A is provided. A scattering prevention sink board for suppressing scattering of leaves falling from the discharge guide 26A to an untreated ground laterally outward of the passage mark of the traveling body 1 at a lower position on the rear side of the discharge guide 26A 26B is provided.
As shown in FIG. 2 and FIG. 3, the scattering prevention sink plate 26B is a leaf that drops a plate member having a substantially L-shaped cross-sectional shape in the horizontal direction from the discharge guide 26A toward the lower rear. It arrange | positions in the location corresponded to a fall path | route, and it is comprised so that it can suppress that the leaf part which falls falls on the left side of the traveling body 1 is scattered.
Further, in the auxiliary boarding portion 13 on the traveling machine body 1 at a position opposite to the scattering prevention flow board 26B in the left-right direction, the leaf portion falling from the lower end of the scattering prevention flow board 26B A shielding plate 17 is provided upright to avoid getting on the floor.
The combination of the discharge guide 26A and the scattering prevention sink plate 26B constitutes a discharge chute 26 for sliding the leaf portion toward the inside of the machine in the left-right direction with respect to the transport end position of the removal and transport device 2 There is.

[Sorting unit]
The sorting unit 1B will be described.
As shown in FIGS. 2 and 3, in the sorting section 1B for sorting the crop main part k1 harvested, the crop main part in the extracting and conveying device 2 disposed along the front-rear direction at the left end of the traveling airframe 1 The relay transport device 5 is provided to transport crops in the left-right direction from the transport end position of k1 toward the storage device 6 disposed on the right side of the machine opposite to the side where the removal transport device 2 is disposed. ing. Further, on the rear side of the relay conveyance device 5, an auxiliary boarding unit 13 on which an auxiliary worker boardes is provided. The auxiliary boarding unit 13 is disposed so as to be located between the location where the extracting and conveying apparatus 2 exists in the left-right direction and the location where the storage device 6 exists.

The relay conveyance device 5 has a conveyance surface for placing and conveying the crop on the upper surface side, and is configured to be able to convey the crop in the left-right direction from the side where the removal conveyance device 2 exists to the side where the storage device 6 exists. The lateral conveyor 50 is provided with a guide roller 51 which acts so as to bring the crop to the rear side of the machine where the storage device 6 exists, at the transport end side of the lateral conveyor 50.
That is, the relay conveyance device 5 guides the sideward conveyance route r2 from the side where the removal conveyance device 2 exists to the side where the storage device 6 exists and the guide roller 51 in the left-right direction which is the conveyance direction of the sideward conveyor 50. And a rear feed transport path r3 toward the rear side of the machine where the storage device 6 is present.
The removal and transfer device 2 includes the removal and transfer route r1 along the longitudinal direction of the traveling machine body 1, and the relay transfer device 5 following this includes the cross feed transfer route r2 and the back transfer transfer route r3. The kabra harvester is configured to feed the crop into the storage device 6 via the transport paths r1, r2, r3 that bend in a crank shape.

The sideward conveyor 50 is a belt conveyor provided with a rubber conveyor belt. When the crop in a state in which the leaf portion is supported by the pinching and conveying device 20 in the extracting and conveying device 2 and the shoulder-alignment conveying belt 24a in the start-up side of the sideways conveyor 50 is cut off by the cutting blade 24b and dropped In the vicinity of the drop point, it is disposed at a position where it can receive the crop main part k1. The transport end of the sideward conveyor 50 is disposed to reach the right end of the traveling body 1.
Further, the height position of the transport surface of the sideways conveyor 50 is compared with the vertical drop from the transport end portion of the removal and transport device 2 to such an extent that the crop main portion k1 which is cut off and dropped leaves are not damaged too much The height is set to a very low level.

As shown in FIG. 2, the guide roller 51 is disposed in an inclined posture so as to be positioned on the upper side of the conveyance of the horizontal conveyor 50 toward the front of the machine in plan view. That is, although the guide roller 51 is on the side closer to the transport end of the sideways conveyor 50, the guide roller 51 is positioned on the upper side in the transport direction than the transport end, and as described above It is arranged in the inclined posture located at.
Therefore, when the crop conveyed on the conveyance surface of the sideways conveyor 50 comes in contact with the guide roller 51, the component force in the conveyance direction by the sideways conveyor 50 at the angle formed by the contact surface is directed to the rear side of the traveling airframe 1 As a result, the crop main part k1 is subjected to the transport action to the rear side of the airframe.
Note that the guide roller 51 is installed on the conveyance surface of the sideways conveyor 50 with a predetermined gap (not shown), so a relatively small non-crop main part k2 that can pass through this gap The transfer action to turn to the rear side of the machine does not work on the cut end of the root portion or a part of the leaf portion corresponding to Ru.
The guide roller 51 is constituted by a round pipe made of synthetic resin, and is disposed so as to freely rotate around the horizontal axis p1 shown in FIG.

The auxiliary boarding portion 13 provided on the rear side of the sideward conveyor 50 has the storage device 6 on the right side of the auxiliary boarding portion 13, so the side closer to the center of the body in the left-right direction than the transport end portion of the sideward conveyor 50 Will be present. However, since the conveyance surface of the sideways conveyor 50 is sufficiently lower than the line of sight of the auxiliary worker standing at the auxiliary boarding unit 13 and is the height of the average adult male waist standing at the auxiliary boarding unit 13, the storage device It is possible to perform the sorting operation while visually observing the range of the majority of the transport surface of the sideways conveyor 50, including the portion corresponding to the front side of 6.
The auxiliary boarding unit 13 is a space with an upper side opened between the left side extraction and transfer apparatus 2 and the right side storage apparatus 6 so that the sorting operation and the like can be easily performed in a state where the auxiliary worker stands up. And not only in this range, the height on the upper side is limited by the end of the removal and transfer device 2, but auxiliary work is also performed on the rear side of the sideward conveyor 50 located below the end of the removal and transfer device 2. There is a floor where people can move.

As shown in FIG. 3, a partition wall 52 that protrudes slightly above the transport surface of the horizontal conveyor 50 is present at the boundary between the horizontal conveyor 50 and the auxiliary loading unit 13. Of the partition wall 52, the right half side close to the storage device 6 is formed into a plate wall shape using the non-perforated plate member 53, and the left half side portion close to the extracting and conveying device 2 is a bar-shaped standing piece 54 It is formed in the shape of a fence lined in small intervals.
Therefore, even if the crop main portion k1 falling from the transport end of the removal and transport device 2 rolls on the transport surface, it is reliably prevented from coming off from the transport surface of the sideward conveyor 50 by contact with the bar-like rising pieces 54. Easy to do. The partition wall 52 is formed like a fence near the transport end of the removal and transport device 2, which is advantageous in that it is likely to fall naturally without depositing mud or the like on the sideward conveyor 50.
In addition, the part of the plate member 53 in the partition wall 52, the auxiliary worker puts one hand or deposits the body, and while the posture is stabilized, the crop main portion k1 near the guide roller 51 at the transport end. It can be conveniently used, for example, when working on stagnant conditions.

An operation switch for operating the elevating cylinder 72 and the dump cylinder 73 in the storage device 6, which will be described later, on the rear surface side of the control unit 12, which corresponds to the front side of the auxiliary loading unit 13 with the sideward conveyor 50 interposed therebetween. The operation panel 55 provided with the operation tool such as is disposed.
Therefore, the auxiliary worker can operate the elevating cylinder 72 and the dump cylinder 73 in the storage device 6 while staying in the auxiliary boarding unit 13. Further, by providing operation panel 55 at this position, the driver mounted on driver's seat 12 a as well as the auxiliary worker twists his body to the rear side to operate the operation tool of operation panel 55 It is also possible.

[Accommodating section]
The accommodation unit 1C will be described.
The housing portion 1C is constituted by a storage device 6 disposed at the rear right side of the airframe on the opposite side to the side where the removal and transfer device 2 is positioned in the left-right direction.
The storage device 6 raises and lowers and dumps the storage case 6A including the storage space s1 for storing the crop, and the storage case 6A, and directs the stored crop to the cargo bed of the transport car outside the machine, etc. And a driving device 6B for discharging.
As shown in FIGS. 2 to 4, the storage case 6A is formed in a rectangular box shape whose upper side is opened at the time of storing the crop, and a storage space s1 capable of storing the crop is formed in the inside thereof.

The housing case 6A includes a base case body 60 supported by the body frame 10 via the drive device 6B, and an extension case body 63 attached to the base case body 60.
The extension case body 63 is connected to the base case body 60 so as to be changeable in posture around the swing axis x3 along the left-right direction.
The accommodation space s1 in the accommodation case 6A is configured to appear in a combined state of the base case body 60 and the extension case body 63.
That is, when the extension case body 63 is connected to the base case body 60 and stands up around the swing axis x3, the storage case 6A has a rectangular box shape, and the storage space s1 is formed inside. Then, when the extension case body 63 is in a connected state in which the extension case body 63 is laid down around the swing axis x3 with respect to the base case body 60, a part of the peripheral portion of the storage case 6A which was rectangular box shape before lying down is opened. It will be As described above, when a part of the rectangular box-like peripheral portion is opened, a discharge port capable of discharging the crop is formed in the storage case 6A.

Specifically, the base case body 60 includes a bottom plate 61 having a rectangular shape in a plan view, and the bottom surface of the accommodation space s1 is formed by the upper surface of the bottom plate 61. In the periphery of the bottom plate 61, standing wall plates 62 are erected on three peripheral portions of the four peripheral portions, and the standing wall plates 62 allow the peripheral wall surfaces of the rectangular box-shaped storage case 6A to be raised. Three peripheral wall surfaces are formed.
And the discharge port part 60a of the base case body 60 is formed by the place equivalent to the above standing wall board 62 being not provided in the location corresponded to one remaining peripheral part of the baseplate 61 part.

The extension case body 63 is connected to the peripheral portion of the bottom plate 61 of the base case body 60 at one peripheral portion, that is, the peripheral portion where the discharge port portion 60a is formed via the connecting shaft 63a. Are connected.
The connecting shaft 63a has a swing axis x3 in the left-right direction along the peripheral portion where the discharge port portion 60a is formed, and is located below the upper surface of the bottom plate 61, in the base case The body 60 and the extension case body 63 are connected.
As shown in FIG. 4, the extension case body 63 stands up with respect to the bottom plate 61 of the base case body 60 when it is in a connection posture that stands up around the rocking axial center x3 with respect to the base case body 60. Thus, it is formed in a bowl shape by including an undulating rocking plate 64 provided with an outlet side wall surface 64a for closing the discharge port 60a and a side wall plate 65 projecting in a direction perpendicular to the outlet side wall surface 64a.

In the extension case body 63 configured in this manner, the outlet side wall surface 64 a serves as the discharge port portion 60 a of the base case body 60 when in the connecting posture in which the extension case body 63 is erected around the swing axis x3 with respect to the base case body 60. Shut up. In this state, the accommodation case 6A is in a crop accommodation posture provided with a rectangular box-shaped accommodation space s1.
When the extension case body 63 is in the connection posture in which the extension case body 60 is folded about the swing axis x3 with respect to the base case body 60, the outlet side wall surface 64 a of the rising and lowering swing plate 64 falls and the bottom case 61 a of the base case body 60 is It becomes a posture along the extension direction, and the discharge port 60a is opened. The discharge port portion 60a of the base case body 60 which is opened has a function as the discharge port 6C of the housing case 6A.

When the hook-like extension case body 63 is in the connection posture standing up around the rocking axis x3, the outlet side wall surface 64a at a position facing the discharge port 60a has a flat plate shape without holes of the undulating rocking plate 64. It is formed in part. However, the free end side portion 64b of the outlet side wall surface 64a that protrudes upward with respect to the base case body 60 in the erected connection posture has a bar shape using rod-like members juxtaposed at predetermined intervals in the left-right direction. And formed so as to be transparent in the front-rear direction.
Further, also in the side wall plate 65, the free end side portions 65a protruding upward with respect to the base case body 60 in the connection posture in which the extension case body 63 stands around the swing axis x3 are spaced at predetermined intervals in the front-rear direction. It is formed in a bar shape using rod-like members juxtaposed to each other, and is formed so as to be transparent in the left-right direction.

The extension case body 63 grips the operation rod 68 provided on a part of the side wall plate 65, and is configured to be able to be undulated and rocked by human operation around the rocking axis x3.
Then, the operation bracket 64c is continuously provided at a position near the rocking axis x3 in the rocking rocking plate 64, and the gas spring 67 is provided between the end of the operation bracket 64c and the bottom plate 61 of the base case body 60. It is connected. The gas spring 67 has a biasing force to move the extension case body 63 up and down around the swing axis x3. Therefore, it becomes an operation resistance to swinging the extension case body 63 to the falling side, but when changing the extension case body 63 to the laid posture, the operating rod 68 is operated against the operation resistance. Thus, it is possible to artificially change the attitude.
The biasing force toward the standing posture by the gas spring 67 is not large enough to return the extension case body 63 switched to the lying posture to the standing posture, but the weight of the extension case body 63 switched to the lying posture And, that posture is maintained. Although the posture of the extension case body 63 operated to the standing posture is not shown, the standing posture is maintained by an appropriate locking means.

The driving device 6B for changing the posture of the housing case 6A is configured as follows.
The driving device 6B includes a bottom support frame 70 on which the housing case 6A is mounted, a link mechanism 71 connecting the machine frame 10 and the bottom support frame 70, and an elevating operation for raising and lowering the bottom support frame 70 with respect to the machine frame 10. A cylinder 72 and a dump cylinder 73 for dumping the storage case 6A with respect to the bottom support frame 70 are provided.

  The bottom support frame 70 pivotally supports the housing case 6A pivotably about a pivot axis x4 along the lateral direction close to the discharge port 6C. That is, the inclination angle of the bottom plate 61 portion of the base case body 60 with respect to the bottom support frame 70 changes from a horizontal attitude parallel to the bottom support frame 70 to an inclined attitude where the opposite side becomes higher than the side where the discharge port 60a exists. As is possible, the bottom plate 61 is supported swingably.

  The link mechanism 71 includes a pair of left and right first link members 74 pivotally connected at the lower end to the support bracket 10A of the airframe frame 10 and a pair of left and right first links 74 and the upper end pivotally connected to the support bracket 70A of the bottom support frame 70. The two link member 75 is provided. A rolling roller 74 a is provided on the other end side of the first link member 74, and the rolling roller 74 a is supported relatively slidably by a sliding guide portion 70 B provided on the bottom support frame 70. A rolling roller 75a is provided on the other end side of the second link member 75, and the rolling roller 75a is relatively slidably supported by a sliding guide portion 10B provided on the machine body frame 10.

The sliding guide portion 10B, which supports the other end side of the second link member 75 in a relatively slidable manner, is farther from the outlet 6C than the support bracket 10A, which is a pivot connection portion of the first link member 74 to the body frame 10. The sliding guide portion 70B, which is disposed at the first position and supports the other end side of the first link member 74 in a relatively slidable manner, is a support bracket which is a pivot connection portion of the second link member 75 to the bottom support frame 70. It is disposed at a position farther from the outlet 6C than 70A.
The first link member 74 and the second link member 75 are connected by the connecting pin 76 in such a manner that their respective intermediate positions cross each other. Accordingly, the first link member 74 and the second link member 75 whose middle positions are connected by the connection pin 76 change their postures at equal angles with each other as the elevating cylinder 72 extends and contracts, and the bottom support frame 70 It can be moved up and down while maintaining parallel to 10.

The lower end side of the elevating cylinder 72 is supported by the body frame 10, and the other end side is connected to a position farther from the support bracket 10A than the connecting pin 76 at an intermediate position in the length direction of the first link member 74. The link mechanism 71 is operated according to the extension operation of the cylinder 72, and the height position of the bottom support frame 70 can be changed.
The dump cylinder 73 is connected at the lower end side to a fixed bracket 70C projecting downward from the bottom support frame 70, and the other end side is connected to the bottom plate 61 portion of the base case body 60. The inclination angle of the bottom plate 61 portion is configured to be changeable.

[Mud dropper]
The mud removing device 3 for removing the mud adhering to the lower part of the crop transported by the pull-up transport route r1 is provided on the upper side in the crop transport direction than the root cutting device 4 as shown in FIG. ing.
As shown in FIG. 6 to FIG. 9, the mud removing device 3 is a contact rotating body 31 for scraping the adhering mud by coming into contact with the root portion of the crop being transported, and an electric motor which rotationally drives the contact rotating body 31. A motor 32 and a support frame 33 for supporting the contact rotary body 31 and the electric motor 32 are provided. The mud removing device 3 is supported by the left and right main support frames 23, 23 via mounting stays 30 provided on the left and right ends of the contact rotating body 31.

  The contact rotary body 31 is a flexible plate member 31a (a soft plate-like contact plate such as a plurality of rubber plate members provided so as to rotate around a horizontal axis x2 in the left-right direction across the pull-up conveyance path r1. Equivalent to). The rotational direction of the contact rotary body 31 is set clockwise in the side view in FIGS. 1 and 6 so that the upper half side is the same as the moving direction of the crop. Further, the rotational speed of the contact rotating body 31 is set to rotate at a peripheral speed faster than the moving speed of the crop. The contact rotating body 31 having the rotation direction and the rotation speed set in this way is brought into contact from the lower side of the crop, and attached so as to scrape the mud at the bottom of the crop.

The support frame 33 that supports the contact rotating body 31 and the electric motor 32 is configured to surround the movement trajectory of the crop from both the left and right sides and the lower side.
That is, as shown in FIGS. 7 to 9, side plate portions 33a and 33a positioned on the left and right sides of the pull-up conveyance path r1 and a bottom plate portion 33b positioned below the pull-up conveyance path r1. . As a result, both front and rear sides and the upper side along the movement locus of the crop are opened, and both sides of the movement locus of the crop and the lower side are covered to form a bowl shape.
Further, the support frame 33 is lowered in a posture in which the bottom plate portion 33b is lifted obliquely upward and backward and along the moving direction of the crop to be transported, that is, the lower side in the conveying direction by the extracting and conveying device 2 is high and the rear side is high. It is arranged in a posture.

  As shown in FIG. 8, the left and right end portions of the contact rotary body 31 are supported by the left and right side plate portions 33 a and 33 a of the support frame 33. The electric motor 32 for driving the contact rotating body 31 disposed in the space between the left and right side plate portions 33a, 33a is outside the space s2 existing between the left and right side plate portions 33a, 33a, that is, the airframe It is attached to the surface of the side plate portion 33a of the one side (right side in FIG. 8) located on the inboard side in the left-right direction and further on the inboard side of the inboard side.

  Specifically, as shown in FIG. 9, the output shaft 32a of the electric motor 32 penetrates the side plate portion 33a to which the electric motor 32 is attached, and is exposed to the space s2 in which the contact rotary body 31 exists. The output shaft 32a and one end side of the drive shaft 34 of the contact rotating body 31 are connected via the joint metal fitting 35, and the other end side of the drive shaft 34 penetrates the other side plate portion 33a, and the other side plate portion It is pivotally supported by a bearing fitting 36 fixed to the outside (left side in FIG. 8) of 33a.

The drive shaft 34 has a driven side shaft 34B with the flexible plate member 31a attached to the outer peripheral portion, and a drive side shaft 34A connected to the electric motor 32 and insertable into and removable from the driven side shaft 34B. And consists of a double shaft. The driven side angular shaft 34B is provided with a fitting cylindrical portion having a hexagonal hole through which the drive shaft 34 can be inserted. The drive-side angular shaft 34A is formed in a hexagonal shaft with an end screw portion 34Aa connected to the joint fitting 35 and a middle portion 34Ac excluding a round shaft portion 34Ab inserted into the bearing fitting 36.
Therefore, the power of the electric motor 32 is transmitted to the contact rotating body 31 by inserting the middle portion 34Ac of the drive side angular shaft 34A into the fitting cylindrical portion of the driven side angular shaft 34B.
With respect to the bearing fitting 36, the drive shaft 34 is prevented from relative movement in the axial direction by the retaining fitting 37, and is mounted such that only relative rotation is possible.
The output shaft 32a, the drive shaft 34, the joint fitting 35, and the bearing fitting 36 are disposed on the same straight line L1 as shown in FIG.

  The rotating direction on the upper side of the contact rotating body 31 is in the same direction as the crop conveying direction by the extracting and conveying device 2, and the outer peripheral edge of the rotation locus r4 of the contact rotating body 31 contacts the upper surface of the bottom plate portion 33b. It is set at a position where it almost touches or is attached to the left and right side plate portions 33a, 33a.

The support frame 33 is connected to the left and right mounting stays 30, 30 via the connecting bolts 38, 38 inserted through the left and right side plate portions 33a, 33a and the connecting long holes 30a provided in the mounting stays 30, respectively. Are connected.
Therefore, the height position of the support frame 33 is appropriately changed by changing the position of the connection bolt 38 along the length direction of the connecting long hole 30a formed along the length direction of the mounting stay 30. can do. Further, by changing the attachment angle of the support frame 33 with respect to the length direction of the attachment stay 30, the inclination angle of the bottom plate portion 33b in the support frame 33 can be changed as shown by the phantom line in FIG. .

  Further, as shown in FIG. 1, the mud removing device 3 is disposed on the front side of the front end of the crawler traveling device 11 provided in the traveling body 1. That is, by disposing the mud removing device 3 at a position closer to the front of the removal and transfer device 2 as much as possible, it is possible to install the mud removing device 3 at a position where there is no interference with the traveling body 1 and the crawler traveling device 11 Therefore, it is possible to carry out the mud removal work at a low position on the ground. As a result, it is possible to reduce the possibility that the mud scraped off from the crop falls on the crop to be worked or scatters on the traveling airframe 1.

[1 of another embodiment]
In the above embodiment, when the mud removing device 3 is provided, the rotation direction on the upper side of the contact rotating body 31 is the transport direction of the crop by the removing and transporting device 2 below the removal and transporting route r1 in the removing and transporting device 2 Although the thing of the structure which arrange | positions the mud removal apparatus 3 so that it may be a direction along the same direction was shown, it is not limited to this structure.
For example, although not shown, the mud removing device 3 is disposed such that the rotation direction on the upper side of the contact rotating body 31 is opposite to the crop conveying direction by the extracting and conveying device 2, or the contact rotating body 31 The rotation direction on the upper side may be the one along the same direction as the crop conveyance direction by the sampling conveyance device 2 and the one along the opposite direction, arranged in the front and back of the conveyance direction in the sampling conveyance device 2 .
The other configuration may adopt the same configuration as that of the embodiment described above.

[2 of another embodiment]
In the above embodiment, as the flexible plate member 31 a of the contact rotating body 31, three rubber plate materials having the same shape and the same size are disposed at equal angles around the drive shaft 34. However, it is not limited to this structure. For example, two or four or more rubber plate materials may be used. In addition, each rubber plate material may be different in shape and size.
The other configuration may adopt the same configuration as that of the embodiment described above.

[3 of another embodiment]
In the above embodiment, the drive shaft 34 of the contact rotary body 31 is directly connected to the output shaft 32a of the electric motor 32, but the invention is not limited to this. For example, instead of attaching the electric motor 32 to the support frame 33, the output shaft 32a and the drive shaft 34 may be attached to another place such as the attachment stay 30, an attachment plate provided separately, etc. A mechanism may be used to drive.
The other configuration may adopt the same configuration as that of the embodiment described above.

The present invention may be applied to a root vegetable harvester that harvests various root vegetables such as daikon radish, carrots, onions, etc. as well as the subject to be processed.

DESCRIPTION OF SYMBOLS 1 traveling body 2 extraction conveyance apparatus 3 mud dropper 11 crawler traveling apparatus 23 support frame 30 mounting stay 31 contact rotary body 31a contact plate 32 electric motor 33 support frame body 33a side plate portion 33b bottom plate portion 34 drive shaft 34A drive side shaft 34B Followed side angular axis r4 Rotational locus

Claims (4)

A picking and conveying device that picks up the crop in the field and carries it backward;
And a mud removing device for removing mud by contacting a root portion of the crop being transported on the lower side of the transport path in the extracting and transporting device;
The mud removing device includes a contact rotating body for scraping off the adhering mud by contacting the crop, an electric motor for rotating and driving the contact rotating body, and side plate portions positioned on both left and right sides of a movement locus of the crop. and a supporting frame member for supporting the contact rotating body and the electric motor provided with a bottom plate portion located on a lower side of the movement trajectory,
The support frame is mounted on a support frame for mounting the take-out and transfer device on a traveling machine via a mounting stay continuously provided downward from the support frame , and both the front and rear sides and the upper side along the movement trajectory It is formed in the shape of a bowl in which the side is opened and the left and right sides and the lower side of the movement locus are covered,
The rotating direction on the upper side of the contact rotating body is in the same direction as the transporting direction of the crop by the extracting and conveying device, and the outer peripheral edge of the rotating trajectory of the contact rotating body contacts the upper surface of the bottom plate portion A root vegetable harvester installed at or near contact position . A picking and conveying device that picks up the crop in the field and carries it backward;
And a mud removing device for removing mud by contacting a root portion of the crop being transported on the lower side of the transport path in the extracting and transporting device;
The mud removing device includes a contact rotating body for scraping off the adhering mud by contacting the crop, an electric motor for rotating and driving the contact rotating body, and side plate portions positioned on both left and right sides of a movement locus of the crop. A bottom plate portion located on the lower side of the movement trajectory, and a support frame supporting the contact rotating body and the electric motor,
The support frame is mounted on a support frame for mounting the take-out and transfer device on a traveling machine via a mounting stay continuously provided downward from the support frame, and both the front and rear sides and the upper side along the movement trajectory It is formed in the shape of a bowl in which the side is opened and the left and right sides and the lower side of the movement locus are covered,
The contact rotary body includes a plurality of flexible soft plate-like contact plates, and a drive shaft to which the contact plates are attached.
The drive shaft is constituted by a double shaft of a driven side angular shaft having the contact plate attached to the outer peripheral portion, and a drive side angular shaft connected to the electric motor and insertable into and removable from the driven side angular shaft. ,
The drive shaft is connected to the output shaft of the electric motor, one side of the drive side angular shaft being fixed to the side plate portion, and the other side of the drive side angular shaft is pivotally supported by the side plate portion. . Before Symbol support frame, the bottom plate portion root vegetables harvesting machine according to claim 1 or 2 wherein the upstream side in the moving direction of the crop is disposed at a lower front edge orientation. The root vegetable harvester according to any one of claims 1 to 3 , wherein the mud removing device is disposed forward of a front end of a crawler traveling device provided in the traveling body.

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