JP2010252705A - Root vegetable harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a root vegetable harvester, pulling-out crops from a field, dropping contaminants such as soil etc., attached to the crops and harvesting them. <P>SOLUTION: This root vegetable harvester is constituted by installing a pulling-out/conveying device 24 for pulling-out the crops by a right and left pair of nipping endless belts 18, 18 and conveying them to rear direction at a left or right one side as a rear-up inclined posture, installing a right and left soil-cutting members 37, 37 for cutting/breaking the soil surrounding the crops at the lower direction of the beginning end of the conveyance of the pulling-out/conveying device 24, installing a right and left pair of soil-dropping members 40, 40 for dropping the soil attached to the conveying crops freely turnably in the lower direction of the nipping/conveying route R of the pulling-out/conveying device 24, crossing the bent parts 40a, 40a of rear end parts of the soil-dropping members 40, 40 at the lower direction of the nipping/conveying route R, and covering them with a jointly moving mechanism 43 for reciprocally rotating the soil-dropping members 40, 40 by the vibration of a vibrating device 36 for vibrating the soil-cutting members 37, 37. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a root crop harvesting machine that extracts a crop from a field and removes impurities such as soil adhering to the crop.

As a conventional root vegetable harvester, there is a technique for removing soil adhering to a crop being transported by a pulling and transporting device with a mud dropping rotating body that rotates in a direction opposite to the crop transport direction. (Patent Document 1)
There is also a technique for removing soil adhering to a crop being transported by a pulling and transporting device with a mud rotator that rotates in the same direction as the crop transport direction. (Patent Document 2)
Japanese Patent No. 3876916 JP 2002-209417 A

However, in the root vegetable harvesting machines described in Patent Documents 1 and 2, if the mud drop and the rotating body are too close to the crop, the surface of the crop is damaged, and there is a problem of reducing the commercial value.
Also, if the mud drops and the rotating bodies are separated too much, sufficient mud dripping effect will not be exhibited, and there will be a problem that the attached soil will contaminate each part of the root vegetable harvester and increase the labor for maintenance, and the soil will damage the crops. There is a problem that the sorting accuracy is lowered because the sorting operator cannot perform an appropriate sorting operation by covering and hiding the shape.

Then, it is necessary to configure a transmission mechanism that supplies driving force to the mud rotator, which increases the number of parts and increases the labor required for maintenance of the machine body.
The present invention seeks to eliminate these problems.

  According to the first aspect of the present invention, a pulling / conveying device (24) for pulling out a crop by a pair of left and right sandwiched endless belts (18, 18) and transporting it to the rear is provided on the left and right sides of the machine body in a rear-upward inclined posture. The apparatus (24) is provided with a remaining leaf processing device (58) for receiving a crop falling from below the conveyance end side of the device (24), and processing the remaining leaf, and taking over the crop on the front side of the remaining leaf processing device (58). A first transport device (64) that transports from the side to the left and right other side is provided, and a second transport device (77) that transports the crop to the left and right other side of the machine body from the first transport device (64) by taking over the crop. And a storage section (F) for storing crops discharged from the second transport device (77) on the left and right sides of the machine body, and soil around the crops below the transport start end of the pulling transport device (24). The right and left earth cutting members (37, 37) to be cut are provided, and the drawing and conveying device (24). A vibration removing device (36) that vibrates the earth cutting member (37, 37) by rotatably providing a soil dropping member (40, 40) for dropping the soil attached to the crop being conveyed below the nipping conveyance path (R). ) To provide a linking mechanism (43) for reciprocating rotation of the earth dropping members (40, 40).

  According to a second aspect of the present invention, a bent portion (40a, 40a) toward the sandwiching and conveying path (R) is formed at a rear end portion of the earth dropping member (40, 40). Root vegetable harvester.

  According to a third aspect of the present invention, a pair of left and right soil-carrying members (40, 40) are provided, and bent portions (40a, 40a) at rear ends of the left and right soil-carrying members (40, 40) are sandwiched and conveyed ( The root vegetable harvesting machine according to claim 2, wherein the root vegetable harvesting machine is configured to cross below R).

  The invention according to claim 4 is the root crop harvesting machine according to claims 1 to 3, wherein the mud dropping member (40, 40) is formed of an elastic body.

  According to the first aspect of the present invention, the crops being conveyed by the pulling and conveying device (24) are brought into contact with the earth dropping members (40, 40) that are vibrated by the vibration of the vibrating device (36), and after harvesting by this vibration. The soil adhering to the left and right side of the crop conveyance direction can be dropped by vibration, making it easier for the operator to discriminate crop damage and shape abnormalities, and improve crop selection accuracy.

  And since the soil dropping member (40, 40) vibrates the crop and drops the soil, the soil attached to the crop can be dropped without close contact with the soil dropping member (40, 40). The product value of the crop is improved by preventing the member (40, 40) from being rubbed and scratched.

  According to the second aspect of the invention, in addition to the effect of the first aspect of the invention, the bent portion (40a, 40a) heading toward the nipping / conveying path (R) at the rear end portion of the earth dropping member (40, 40). As a result, the soil attached to the front and rear surfaces of the crop conveyance direction can be dropped by the reciprocating rotation of the mud dropping member (40, 40), and the worker can discriminate between the crop damage and the shape abnormality. This makes it easier to select crops.

  According to the third aspect of the invention, in addition to the effect of the second aspect of the invention, the bent portion (40a, 40a) of the rear end portion of the pair of left and right earth-moving members (40, 40) is clamped ( By crossing under R), the soil adhering to the front and back surfaces in the crop conveyance direction and the left and right sides can be surely dropped from the upper part to the lower part. Abnormalities can be easily identified, and the accuracy of crop selection is further improved.

  According to invention of Claim 4, in addition to the effect of invention of Claims 1 thru | or 3, by comprising the earthing member (40,40) with the elastic material, a crop is the earthing member (40,40). ), The soil-carrying members (40, 40) retreat in the left and right outer directions, so that the soil-carrying members (40, 40) do not hinder the conveyance of the crops, and the work efficiency is improved.

Side view of root crop harvester Top view of root crop harvesting machine Rear view of root crop harvester Expanded side view of essential parts of root crop harvesting machine Top view of essential parts of root crop harvesting machine (A) (b) Side view showing the operation of the earthmoving bar Plan view of remaining leaf processing equipment, cleaning conveyor, sorting conveyor Top view of the container mounting table Side view of the container mounting table Top view of another embodiment of root crop harvesting machine Principal part plan view of another embodiment of root crop harvesting machine Principal part plan view of another embodiment of root crop harvesting machine Side view of another embodiment of receiving container mounting table Side view of another embodiment of root crop harvester

Embodiments of the present invention will be described.
As shown in FIGS. 1-9, the carrot harvester which is a kind of root vegetable harvester shown as one of the Example is the driving | running | working part A which drive | works a body, the control part B which a pilot board | boards, and a body Pull out the carrot from the field on the left and right sides, transport it to the upper rear side of the machine, cut the foliage and harvest the root of the carrot, and receive the ginseng dropped from the rear of the harvesting section C Takeover carousel D that transports to the left and right sides of the machine while processing, and selection of the carrots from the left and right sides of the machine to be transported from the left and right sides of the machine to the left and right sides by the auxiliary operator It is comprised from the conveyance part E and the accommodating part F which accommodates the carrot discharged | emitted from the sorting conveyance part E. Details of each part will be specifically described below.

First, the configuration of the traveling unit A will be described.
As shown in FIGS. 1 to 3, the left and right drive sprockets 2 and 2 on the front side of the fuselage, the left and right driven wheels 3 and 3 on the rear side of the fuselage, and the left and right drive sprockets 2 and 2 Left and right belts 5, 5 are wound around a plurality of wheels 4, 4... Attached between the moving wheels 3, 3 to constitute left and right crawlers 6 </ b> L, 6 </ b> R. The left and right drive sprockets 2 and 2 of the left and right crawlers 6L and 6R are attached to left and right drive shafts 9 and 9 extending from the transmission case 8 where the power of the engine 7 is transmitted to the left and right sides. The left and right crawlers 6L and 6R are attached to the fuselage frame 1.

Next, the configuration of the control unit B will be described.
As shown in FIGS. 1 and 2, a control unit frame 10 is attached to the upper right side of the body frame 1, a control seat 11 is attached to the control unit frame 10, and a control panel 12 is attached to the front side of the body. Then, a shift operation lever 13 for switching the forward / backward movement and traveling speed of the aircraft is attached to the control panel 12, and an elevation operation lever 14 for operating the left / right turning operation of the aircraft and the working height of the harvesting section C is attached.

  With the above-described configuration, by providing a control member that can perform a plurality of operations by one, such as the speed change operation lever 13 and the lifting operation lever 14, the operation of the airframe is facilitated, so that the operator's work can be reduced. .

Next, the configuration of the harvesting unit C will be described.
As shown in FIGS. 1 to 5, left and right driven pulleys 16 and 16 are rotatably mounted on the front side of the left and right pull-out frames 15 and 15, and left and right drive pulleys 17 and 17 are mounted on the rear side of the body. Between the pulleys 16, 16 and the left and right drive pulleys 17, 17, the left and right nipping and conveying belts 18, 18 for pulling out the carrots and conveying them to the rear part of the machine body are wound. 18 is tensioned so that the side surfaces of the left and right holding and conveying belts 18 and 18 are pressed against each other to form a carrot holding area R. A rotating frame 20 that can be rotated in the vertical direction is attached to the upper side of the body frame 1 with the left and right horizontal shaft 21 as a rotation fulcrum, and is attached to the left and right drive pulleys 17 and 17 at the rear end of the rotating frame 20. A transmission case 22 for transmitting the driving force is attached so as to be rotatable up and down around the rotation fulcrum X. Further, the body frame 1 and the rotating frame 20 are connected by an elevating cylinder 23, and the elevating cylinder 23 is operably attached by a control part B to constitute a pulling and conveying device 24.

  Further, a vertical elevating device 25 that causes a carrot foliage portion to be raised by a vertical lug 25a in front of the drawing and conveying device 24, and a horizontal elevating device 26 that raises the foliage portion raised by the vertical elevating device 25 by a horizontal lug 26a. When the handle 29 is turned, a rotatable gauge ring 31 is provided at the lower end portion of the telescopic rod 30 that vertically expands and contracts to prevent the pulling and conveying device 24 from descending too much.

  Further, left and right solitary frames 32, 32 are attached from substantially lower positions in the longitudinal direction of the fuselage from the lower front side of the fuselage frames 15, 15, and left and right vibrations are attached to the front ends of the sora frames 32, 32. The front end portions of the arms 33 and 33 are attached. A vibration shaft 34 that rotates in response to the driving force of the engine 7 is extended toward the front side of the machine body frame 1 toward the side where the pulling and conveying device 24 is provided. A transmission device G is configured by attaching a vibrating rod 35 having a V-shape in a side view for vibrating the vibrating arms 33, 33 between the side ends. The vibration arm 33 inside the machine body is rotatably attached to the lower end side of the vibration rod 35.

Then, left and right soilers 37, 37 that cut through the soil around the carrots are attached to a substantially central position in the front-rear direction of the vibration arms 33, 33 toward the front side of the machine body to constitute the vibration device 36.
It should be noted that the rotational speed of the vibration shaft 34 that vibrates the vibration device 36 is configured not to be interlocked with the speed change operation of the mission case 8, so that the vibration width does not change even when the traveling speed is low. Since the left and right soilers 37 can be vibrated with the same width even during the work, the work efficiency is improved, and the soil around the carrots is cut out, so there is less leftover, so it is left behind after the harvesting work. The work of extracting the carrots is omitted, and the labor of the worker is reduced.

  Further, left and right support plates 38, 38 are attached to the front portions of the vibration arms 33, 33, and left and right rotation shafts 39, 39 are rotatably provided at the lower portions of the support plates 38, 38 in the vertical direction of the machine body. The rotating shafts 39, 39 are attached by penetrating the base side of the left and right earth-moving bars 40, 40 for dropping the soil adhering to the carrot in the longitudinal direction of the machine body. Then, torque springs 41 and 41 are attached to the base sides of the rotary shafts 39 and 39, with the vibration arms 33 and 33 and the support plates 38 and 38 being hung at both ends, and the springs 40 and 40 are tensioned downward. The cam rollers 42 and 42 are pivotally attached to the rear end portions of the rotating shafts 39 and 39, respectively, and the cam rollers 42 and 42 come into contact with each other when the left and right vibrating arms 33 and 33 rotate upward. The rotating device 43 is configured to rotate the earthing bars 40, 40 in the vertical direction of the machine body.

  Further, bent portions 40a and 40a toward the clamping action area R are formed on the rear sides of the earthing bars 40 and 40, respectively, so that the bent sections 40a and 40a intersect the clamping action area R in plan view. To place.

  If the earthing bars 40, 40 are made of an elastic body such as rubber or vinyl chloride, the earthing bars 40, 40 will be located in the lateral direction of the left and right sides of the aircraft even if the carrots being conveyed come in contact with the earthing bars 40, 40. Therefore, it is possible to prevent the earth dropping bars 40, 40 from interfering with the transport of carrots, thereby improving the work efficiency.

  In addition, the mud dropping bars 40, 40 may be arranged with their phases shifted in the front-rear direction with respect to the transport direction, and the carrots between the left and right mud dropping bars 40, 40 can be arranged by shifting the transfer in the front-rear direction. Can prevent mud dropping and obstructing the vertical rotation of the bars 40, 40, improving work efficiency, preventing the surface of the carrot from being rubbed and scratched, and the product value of the carrot improves.

  Further, the cam rollers 42, 42 may be bars (bars), plates (plates), etc., as long as the cam arms 42, 42 have a length in the left-right direction of the machine body that contacts when the vibration arms 33, 33 rotate upward. It may be configured.

  And the front end part of the left and right soilers 37, 37 so as to crawl up the left and right ridges 44, 44 that scoop up the foliage hanging in the field, and the front end part of the device 26 is positioned forward of the lateral lugs 26a. Arrange to do. Also, the left and right guide bars 45, 45 for guiding the stems and leaves scooped up by the upper protrusions 44, 44 to the front side of the upper protrusions 44, 44 to the holding start end portion of the pulling / conveying device 24, in a plan view, The guide bars 45 are attached so that the distance between the left and right guide bars 45 decreases toward the rear side of the aircraft.

  When the guide bars 45, 45 are made of a cylindrical elastic material having a high degree of flexibility, such as a piano wire, the vibration width is increased, and the effect of preventing the tangles from being entangled is improved.

  Further, as shown in FIGS. 4 and 5, left and right weed bodies 46, 46 that are wider in the left-right width than the above-described ridge protrusions 44, 44 and cover the upper surfaces of the ridge protrusions 44, 44 are inclined upwardly. Provide. In the upper part of the weed bodies 46, 46, a space portion from which the guide bars 45, 45 protrude is formed.

  Further, a tail part for cutting a carrot root (tail part) being transported by the pulling and transporting device 24 on the body frame 1 below the sandwiching action area R and behind the rear end portions of the earth dropping bars 40, 40. A cutting device 47 is attached.

  Further, in the rear lower part of the pulling and conveying device 24, left and right position aligning devices 48 and 48 for taking over the carrots conveyed by the left and right nipping and conveying belts 18 and 18 and aligning the cutting positions of the carrot stems and leaves, the left and right positions Left and right foliage transport devices 49 and 49 that take over the foliage from the aligning devices 48 and 48 and convey the foliage to the rear of the machine, left and right cutting devices 50 and 50 that cut the foliage, and cutting by the left and right cutting devices 50 and 50 A harvesting part C is configured by providing a leaf discharging shooter 51 that discharges the stems and leaves that are discharged from the terminal portions of the left and right leaf and leaf conveying devices 49 and 49 to the field.

  With the above configuration, the vertical raising device 25 and the horizontal raising device 26 are provided on the front side of the machine body, thereby causing the ginseng stems and leaves lying in the field to be caused vertically by the vertical lugs 25a of the device 25, and the caused foliage is caused. The horizontal lug 26a of the horizontal pulling device 26 can be lifted and moved to the nipping and conveying start end of the pulling and conveying device 24. The remaining ginseng is reduced and the work efficiency is improved.

  Further, weed bodies 46, 46 are provided on the upper protrusions 44, 44 at the tip of the soilers 37, 37, and the stems and leaves that are laterally raised and the device 26 fails to take over are scooped up by the weed bodies 46, 46, and the guide bars 45, 45 Since the stems and leaves are guided to the clamping start end of the pulling and conveying device 24 via the nip, the leaves and leaves are more securely pinched by the pulling and conveying device 24 and pulled out from the field. Efficiency is improved.

  Moreover, by raising the foliage with the vertical pulling device 25, the horizontal pulling device 26 and the weeds 46, 46, the foliage that has hidden the carrots can be removed and the visibility of the carrots to be harvested can be improved. It makes it easier to align the carrot extraction position and reduces the amount of crop leftover, improving work efficiency. In addition, since the weed bodies 46 and 46 are wide enough to cover the periphery of the thin plate-like protrusions 44 and 44, the surroundings of the carrot to be harvested are not obstructed.

  Then, by providing the gauge ring 31 at the lower end of the telescopic rod 30 that expands and contracts up and down when the handle 29 is turned, if the gauge ring 31 is brought into contact with the farm scene, the pulling and conveying device 24 will not be lowered any further. It is possible to prevent the lower end portion of the pulling / conveying device 24 from coming into contact with the field scene and being damaged due to an operation error or unexpected ground irregularities.

  Then, the body frame 9 and the pivot frame 20 that is pivotable in the vertical direction are connected by a lift cylinder 23 with the left and right horizontal shaft 21 as a pivot, and the lift cylinder 23 is operated by the lift control lever 14 of the control unit B. With this configuration, the vertical height of the entire harvesting section C can be adjusted by operating the lifting operation lever 14, so that the position of the pulling and conveying start end of the harvesting section C is adjusted in the vertical direction. At the same time, the position of the pulling conveyance start end portion can be adjusted in accordance with the appropriate pulling height of the carrots vegetated on the field, and the leftover of the carrot is prevented, so that the work efficiency is improved.

Further, if the harvesting section C is raised during turning, the lower end of the harvesting section C is less likely to come into contact with the field, so that the turning operation is performed smoothly and the work efficiency is improved.
Furthermore, the leaf removal shooter 51 that discharges the leaf leaves cut from the carrots by the stem cutting apparatus 50, 50 of the harvesting section C (the cut leaf leaves portion) to the field is the already dug side (the side that has finished harvesting the carrots). It is provided in a downward inclined posture so that the leaves and leaves are discharged, so that the discharged leaves and leaves fall on the carrots on the undigged side (the side where the carrots are not harvested), and the discharged leaves are sandwiched between the left and right transport belts 19 and 19 and the left and right driven pulleys 17 and 17 are entangled to stop the harvesting section C and prevent the harvesting operation from being hindered, so that the work efficiency is improved and the ginseng from which the fallen leaves falling on the carrot are harvested. Can be prevented from interfering with the visibility.

  The left and right vibrating arms 33 and 33 that vibrate the left and right soilers 37 are provided with base portions of left and right earthing bars 40 and 40 via left and right rotating shafts 39 and 39, respectively. Since the cam rollers 42 and 42 are pivotally attached to the end portions of 39 and 39 so as to be positioned above the vibration arms 33 and 33, respectively, the rotation device 43 is configured, so that the vibration arms 33 and 33 rotate upward. When the camshafts 42 and 42 are brought into contact with each other, the rotating shafts 39 and 39 are rotated and the earthing bars 40 and 40 are swung upwards of the machine body. The top and bottom of the soil can be brought into contact with the bars 40, 40, and the soil adhering to both the left and right sides of the carrot is removed, and the sorting operator can damage the carrot (crack, break, bruise, decay, etc.) Abnormal (overturned or bent) , It becomes easier to determine the minimum, etc.), it improves the carrot sorting accuracy.

  Further, since the torque springs 41 and 41 for mud dropping on the base side of the rotation shafts 39 and 39 and tensioning the bars 40 and 40 downward are pivotally attached, the left and right vibration arms 33 and 33 are rotated downward and the cam rollers 42. , 42, the mud dropping bars 40, 40 can be swung downward by the tension of the torque springs 41, 41, so that the mud dropping bars 40, 40 can be swung up and down automatically. The worker's special work is not required and work efficiency is improved.

  Further, bent portions 40a, 40a heading toward the sandwiching action area R are formed on the rear sides of the mud dropping bars 40, 40, respectively, so that the bent sections 40a, 40a intersect the sandwiching action area R in plan view. By arranging, when the mud dropping bars 40, 40 swing upward, the soil adhering to the rear side of the carrot transport direction can be dropped from the lower part to the upper part, and the mud dropping bars 40, 40 When swinging downward, the soil adhering to the front side of the transport direction of the crop can be dropped from the top to the bottom, making it easier for the sorting operator to identify crop damage and shape abnormalities. Is further improved.

  And since the earth dropping bars 40 and 40 vibrate with the vibration of the soira 37 and 37, the soil adhering to the carrots can be scraped off in the vertical direction and the carrot body also vibrates. The portion of the soil where 40 and 40 cannot be contacted can also be dropped by vibration, making it easier for the sorting operator to discriminate between the scratches and shape abnormalities of the crop, and the crop sorting accuracy is further improved.

  Further, by vibrating the earthing bars 40, 40 using the vibration device 36, it is not necessary to provide a special vibration mechanism, the number of parts can be reduced, cost reduction and resource conservation can be achieved, and the fuselage structure can be reduced. Simplification will facilitate assembly and maintenance of the aircraft.

  Further, since the earth dropping bars 40, 40 are arranged on the front side of the machine body relative to the machine frame 1 and the tail cutting device 47, the soil adhering to the carrots falls on the vibrating soilers 37, 37 and the farm field. Since the work of removing the soil adhering to the surface is omitted, the maintainability is improved and the labor of the operator is reduced.

  And, since the soil attached to the carrot is removed, the tail cutting device 47 is contacted, so that the soil falling from the carrot is prevented from collecting inside the tail cutting device 47 and the maintainability is improved. Since the cutting blade (not shown) of the tail cutting device 47 is prevented from being damaged by the resistance that comes into contact with the soil, the durability is improved.

Next, the takeover conveyance unit D will be described.
As shown in FIG. 1 to FIG. 3 and FIG. 7, front and rear remaining leaf processing frames 53 and 53 are provided below the foliage cutting devices 50 and 50, and the left and right ends of the left and right sides of the front and rear remaining leaf processing frames 53 and 53 are provided. A remaining leaf processing drive roller 54a is provided between the front and rear sides, and a remaining leaf processing driven roller 54b is rotatably mounted between the front and rear ends of the left and right sides of the machine body. A remaining leaf processing belt 55 made of an elastic material such as rubber or urethane is wound endlessly around the remaining leaf processing driving roller 54a and the remaining leaf processing driving roller 54b, and a carrot is placed on the upper portion of the remaining leaf processing belt 55. A remaining leaf processing roller 56 is attached, which sandwiches the remaining leaves remaining in the root of the leaf with the remaining leaf processing belt 55 and rotates and cuts them. Further, a support plate 57 having a width substantially equal to the average diameter of carrot (about 80 mm) is provided on the remaining leaf processing roller 56 below the remaining leaf processing roller 56 and on the inner peripheral surface of the remaining leaf processing belt 55. The remaining leaf processing device 58 is arranged so as to be conveyed in parallel from the left and right sides of the machine body to the left and right sides while processing the remaining leaves of carrots inherited from the harvesting section C.

  Further, front and rear wall plates 59, 59 are attached to the start end side of the remaining leaf processing device 58 and the front side of the machine body in the left-right direction of the machine body, and left and right transmission rollers 60 are provided between the left and right sides of the front and rear wall plates 59, 59. , 60 are rotatably mounted on the rotating shafts of the remaining leaf processing rollers 54, 54. Then, transmission sprockets 61, 61, 61, 61 are respectively axially attached to the front and rear of the transmission rollers 60, 60, and the transmission chains 62, 62 are wound endlessly on the front and rear transmission sprockets 61, 61, 61, 61, respectively. A plurality of transport rollers 63 are rotatably attached to the front and rear of the front and rear transmission chains 62, 62 at predetermined intervals in the left-right direction of the machine body to take over the carrots from the remaining leaf processing device 58 and the foliage cutting device. 50, 50 receives crops that fell to the front side of the machine, transports carrots from the left and right sides of the machine toward the other side of the machine, and foliage and soil, and poorly grown carrots and folds from the left and right intervals of the transport rollers 63. It constitutes a cleaning conveyor 64 for dropping carrot fragments and other contaminants downward.

  Further, a recovery shooter 65 that receives carrots and other impurities falling on the upper side of the wall plate 59 on the front side of the machine body constituting the cleaning conveyor 64 and on the left and right sides of the machine body and moving to the cleaning conveyor 64 is received. Is attached with the discharge part on the rear side of the machine body positioned above the upper end of the side wall 59. Further, by attaching a waste shooter 66 that moves the foreign matter falling from the cleaning conveyor 64 to the right crawler 6R on the left and right sides of the body from the recovery shooter 65 and below the cleaning conveyor 64, the pumping conveyance section D is configured. Is done.

  A rotation fulcrum is provided at the center of the disposal shooter 66 in the front-rear direction, and the disposal shooter 66 is rotated in the longitudinal direction of the machine in conjunction with the vertical movement of the rotation frame 20. Accumulation can be prevented.

  With the above configuration, the remaining leaf processing roller 56 constituting the remaining leaf processing device 58 transports the carrots to the cleaning conveyor 64 while cutting off the remaining leaves of the carrots cut and cut by the stem and leaf cutting devices 46, 46. The product value is improved, and the work of manually cutting the remaining leaves after the harvesting work can be omitted, and the work efficiency is improved.

  In addition, by attaching the support plate 57 below the remaining leaf processing roller 56 and on the inner circumferential surface of the remaining leaf processing belt 55, the remaining leaf can be clamped and cut with a stronger force. The remaining leaves can be reduced, and further labor saving can be achieved in manually removing the remaining leaves after the harvesting work.

  The remaining leaf processing belt 55 constituting the remaining leaf processing device 58 is made of an elastic body such as rubber or urethane, so that the remaining leaves are removed even if carrots fall after the leaves are cut off by the foliage cutting devices 50 and 50. Since the processing belt 55 reduces the impact of the drop, the carrot is prevented from being damaged by the impact of the drop, and the quality of the carrot is improved.

  Furthermore, by arranging the cleaning conveyor 64 on the start end side of the remaining leaf processing device 58 and on the front side of the machine body, the ginseng that has fallen due to the foliage being cut off on the front side of the machine body relative to the foliage cutting devices 50 and 50 is removed from the machine. It can be received without being dropped, and the received carrots can be moved from the left and right sides of the machine to the other side by the cleaning conveyor 64. Omitted to reduce the labor of the operator and return the carrot that has fallen on the front side of the machine body relative to the foliage cutting devices 50, 50 to the transport path, thereby improving work efficiency.

  Further, by arranging the transport rollers 63 for transporting the carrots constituting the cleaning conveyor 64 at a predetermined interval in the left-right direction, the carrot foliage and adhering are carried while transporting the carrots from the left and right sides to the left and right sides. It is possible to drop dirt, broken ginseng debris, etc. to the field, preventing the foreign substances from being mixed into the sorting and conveying section E, and improving the sorting accuracy of the sorting operator, and the storage section. It is prevented that foreign matters are mixed into F, and the operation of removing these foreign matters after harvesting is omitted, so that the work efficiency is improved.

  In addition, the minimum size carrot due to growth failure or the like can be discarded at the left and right spacing portions of the transport roller 63, and the sorting operator does not need to remove the minimum size carrot, thus improving the sorting accuracy and working. Efficiency is improved.

  Then, the recovery shooter 65 that receives the carrots and other impurities falling from the pulling / conveying device 24 on the front side of the machine body from the cleaning conveyor 64 and moves the cleaning conveyor 64 to the cleaning conveyor 64 is dropped. Carrots can be received without dropping outside the machine, and the received carrots can be moved from the left and right sides of the machine to the other side by the cleaning conveyor 64 to pick up the carrots that have fallen outside the machine after harvesting. The work to be collected is omitted and the labor of the operator is reduced. In addition, the carrot dropped on the front side of the machine body relative to the foliage cutting devices 50 and 50 can be returned to the transport path, so that the work efficiency is further improved.

  Furthermore, by providing a waste shooter 66 that receives the contaminants falling below the cleaning conveyor 64 and moves them to the right crawler 6R, the contaminants can be crushed by the right crawler 6R and easily returned to the field. The field strength of the field can be improved to improve the quality and commercial value of the next ginseng and other crops, and the work efficiency is improved.

Next, the sorting and conveying unit E will be described.
As shown in FIG. 1 to FIG. 3 and FIG. 7, the front and rear first sorting and conveying frames 67 and 67 are located at the rear side of the control unit B and at the left and right other side ends of the cleaning conveyor 64. It is arranged in an inclined posture, and a sorting and conveying drive roller 68 is rotatably mounted between the left and right sides of the first sorting and conveying frames 67 and 67 on the left and right sides of the machine body. Attaching 69,69. In addition, a sorting and conveying tension roller 70 is rotatably mounted between the left and right sides of the first and second first sorting and conveying frames 67 and 67, and conveying tension sprockets 71 and 71 are arranged before and after the rotation shaft of the separate conveying tension roller 70. Axis. Then, the front and rear second sorting and conveying frames 72 and 72 are attached to the left and right other ends of the first sorting and conveying frames 67 and 67 and the front and rear ends of the rotation axis of the sorting and conveying tension roller 70 so as to be rotatable up and down. Further, a sorting and conveying driven roller 73 is rotatably mounted between front and rear ends of the second sorting and conveying frames 72 and 72 on the left and right sides of the machine body, and conveyed and driven sprockets 74 are arranged before and after the driven shaft of the sorting and conveying driven roller 73. 74 is pivotally attached. The front and rear sorting transport chains 75, 75 are wound around the transport driving sprockets 69, 69, the transport driven sprockets 74, 74, and the transport tension sprockets 71, 71 in an endless manner. A plurality of transport bars 76 for mounting and transporting carrots at predetermined intervals in the left-right direction of the machine body are attached to the sorting transport conveyor 77.

  Further, among the plurality of transport bars 76, a plurality of transport lugs 78 for preventing backflow of the carrots toward the upper side in the transport direction at intervals of several are foldably attached, and the sorting transport chains 75 and 75 are transported. The upper and lower resistors 79, 79, which are in contact with the bottom of the conveyance lugs 78, are placed on the lower part of the surface and the lower part of the non-conveying action surface to erect the conveyance lugs 78. Attach to 72.

  A support plate 80 is attached to the lower part of the second sorting and conveying frames 72 and 72 in the front-rear direction, and the conveying terminal end side of the sorting and conveying conveyor 77 is placed between the supporting plate 80 and the rotating frame 20 in the vertical direction. A lifting cylinder 81 that is rotated in the direction is attached. The elevating cylinder 81 may be electric, hydraulic, pneumatic or manual.

  Further, before and after suppressing the loosening of the sorting and conveying chains 75 and 75 when the sorting and conveying conveyor 77 rotates in the vertical direction on the lower surface of the sorting and conveying chains 75 and 75, that is, the non-operating side of the conveying tension sprockets 71 and 71. The tension pressure sprockets 82 and 82 are rotatably mounted. The tension pressure sprockets 82 and 82 may be attached to separate rotating shafts, or may be attached to a single rotating shaft provided between the front and rear of the second sorting and conveying frames 72 and 72.

  And the base part of the support arms 83 and 83 which move up and down with the up-and-down rotation of the sorting and conveying conveyor 77 is provided at the left and right other ends of the second sorting and conveying frames 72 and 72 so as to be able to turn up and down. Hanging hangers 84 and 84 are attached to the ends of the arms 83 and 83 before and after suspending an upper portion of a storage container 92 to be described later in an open state.

  A mounting frame 85 is mounted on the rear side of the machine body from the sorting and conveying conveyor 77 and on the rear part of the machine frame 1 in the vertical direction of the machine body, and a sorting work seat 86 on which a sorting operator sits is rotatable on the mounting frame 85. Attach to. Further, an operation pedal 87 is provided in the vicinity of the lower side of the sorting work seat 86 so that the sorting operator steps on the foot and manipulates the expansion and contraction of the elevating cylinder 81, and the second sorting and conveying on the rear side of the machine body constituting the sorting and conveying conveyor 77. By attaching an operation switch 88 that is operated manually by the sorting operator in the vicinity of the sorting work seat 86 on the frame 72, the sorting and conveying section E is configured.

  As described above, since the lifting cylinder 81 is expanded and contracted so that the left and right other side ends (lower end side in the transport direction) of the sorting and transporting conveyor 77 can be turned up and down, the amount of carrots stored in the storage container 92 Accordingly, the head where the carrot falls from the sorting and conveying conveyor 77 to the storage container 92 can be set to an appropriate height, the carrot is prevented from being damaged by the impact of the drop, and the commercial value of the carrot is improved.

  In addition, by attaching a plurality of transport bars 76 for transporting carrots at predetermined intervals in the left-right direction of the machine body, it is possible to drop impurities and tiny carrots that did not fall downward on the cleaning conveyor 64 downward. In addition, since the sorting operator does not need to remove impurities and does not need to remove the extremely small carrot, the sorting accuracy is improved and the work efficiency is improved. In addition, since foreign matters are prevented from being mixed into the accommodating portion F, the operation of removing these foreign matters after harvesting is omitted, and the work efficiency is improved.

  Further, by attaching a plurality of transport lugs 78 to the transport bars 76 with a plurality of intervals, it is possible to prevent the carrots being transported by the sorting transport conveyor 77 from flowing back to the upper side in the transport direction, and to improve work efficiency. As a result, it is possible to prevent the ginseng that has flowed back from colliding with the following carrots and damaging them, thereby improving the product value of the carrots.

  Furthermore, the upper and lower resistors 79, 79 for raising the conveying lugs 78 are attached to the left and right ends of the sorting / conveying conveyor 77 on the second sorting / conveying frames 72, 72 and below the sorting / conveying chains 75, 75. Without the resistors 79 and 79, the conveyance lugs 78 can be automatically laid down, and the conveyance lugs 78 are at the ends of the first sorting and conveying frames 67 and 67 and the second sorting and conveying frames 72 and 72, respectively. It is prevented from being caught and work efficiency is improved.

  The upper opening of the container 92 is opened in the support arms 83 and 83 that move up and down together with the up and down rotation of the sorting and conveying conveyor 77 at the left and right other end portions of the sorting and conveying conveyor 77 that can rotate in the vertical direction. By attaching the supporting hanging hangers 84 and 84, the hanging hangers 84 and 84 follow the vertical rotation of the sorting and conveying conveyor 77. Carrot fall distance can be kept almost constant.

  In addition, by providing a rotatable sorting work seat 86 on the rear side of the machine from the sorting and conveying conveyor 77, the sorting operator can perform the sorting work while sitting on the sorting work seat 86, so that the labor of the sorting work is reduced. At the same time, when the storage container 92 is replaced, the sorting work seat 86 can be rotated to face the direction of movement, so that the movement on the root vegetable harvesting machine is facilitated and the work efficiency is improved.

  Further, an operation pedal 87 is provided near the lower part of the sorting work seat 86 so that the sorting operator steps on the foot and manipulates the lifting and lowering cylinder 81 to extend and retract. When it is necessary to rotate the screen up and down, the sorting and conveying conveyor 77 can be rotated up and down by stepping on the operation pedal 87 with a foot even when sorting is done manually, so that the sorting accuracy is improved and the work efficiency is improved. improves.

  The sorting operator is provided with an operation switch 88 that is operated manually by the sorting operator on the second sorting and conveying frame 72 on the rear side of the sorting and conveying conveyor 77 so that the sorting operator can sort and convey. When it is necessary to rotate the left and right end portions of the left and right sides of the conveyor 77 up and down, the sorting and conveying conveyor 77 can be rotated up and down by operating the operation switch 88 by hand, so that work safety is improved.

Next, the accommodating part F is demonstrated.
As shown in FIGS. 1 to 3, 8, and 9, a pair of front and rear support plates 89 and 89 are arranged in the left-right direction of the machine body below the sorting and conveying conveyor 77 and on the rear side of the machine body frame 1 on the left and right sides of the machine body. The mounting frame 90 is attached to the outer ends of the front and rear support plates 89, 89 so as to be rotatable in the left-right direction of the body with the rotation shaft 90a in the left-right direction as a rotation fulcrum. A vertical rotation shaft 91 is provided at the rear lower portion of the mounting portion frame 90, and the container 92 a of the storage container 92 is loaded on the upper portion of the vertical rotation shaft 91, or the front and rear hanging hangers 84, 84 are mounted. A mounting table 93 for mounting and supporting the bottom of the suspended flexible container 92b is attached so as to be vertically rotatable.

  Further, a rear support plate 94 is provided at the left and right other side ends on the rear side of the mounting portion frame 90, and the lower end of the rotating plate 95 is connected to the left and right other side ends of the vertical rotating shaft 91 in the longitudinal direction of the body. A telescopic rod 96 is attached between the upper portion of the pivot plate 95 and the upper portion of the rear support plate 94. Further, an operation handle 97 for extending and retracting the telescopic rod 96 is attached to an end of the telescopic rod 96 on the rear side of the machine body, and a fall prevention plate 98 for preventing the storage container 92 from falling on the left and right sides and the rear side of the mounting table 93. The housing part F is configured by attaching.

  The telescopic rod 96 has a thread groove on the surface of one of the bars, a thread groove on the inner surface of the other hollow bar, and the thread grooves of the bars are aligned and rotated by the operation handle 97 to expand and contract. However, it may be replaced with a mounting table cylinder 98 that expands and contracts by electric, hydraulic, pneumatic, etc. In that case, the operation handle 97 may be replaced with a switch or a lever, and the operation switch 88 is replaced with a mounting table. It is good also as a structure which can also operate expansion-contraction of the cylinder 98. FIG.

  By configuring the storage portion F as described above, during the harvesting operation, the mounting table 93 is rotated to the left and right sides of the machine body, and the storage container 92 such as the container 92a and the flexible container 92b is mounted. Since the mounting table 93 can be rotated and folded in one direction on the left and right sides of the machine body, the left and right width of the machine body becomes compact, and the machine body can be easily placed on transport means such as a light truck. It can be accommodated without taking too much space in the accommodation location.

  In addition, since the telescopic rod 96 is expanded and contracted by operating the operation handle 97 and the mounting table 93 can be turned up and down, the mounting table 93 is tilted downward and the flexible container 92b full of carrots is moved downward. Thereafter, the flexible container 92b can be moved to the field by moving the aircraft backward, so that the labor of the operator and auxiliary workers is reduced and the work efficiency is improved.

  In addition, by mounting the mounting portion frame 90 of the housing portion H in the front-rear direction and providing other components in the direction opposite to the front-rear direction with respect to the above configuration example, the mounting table 93 is inclined downward to the rear side of the machine body, and the carrot Since the flexible container 92b can be moved to the field by moving the flexible body 92b downward after moving the flexible container 92b fully loaded, the labor of the operator and auxiliary workers is reduced and the aircraft is moved backward. The work efficiency is further improved because there is no need to make it happen.

  Further, the mounting table 93 is configured to rotate up and down by expanding and contracting the mounting table cylinder 98, and an elevating cylinder 81 that rotates the mounting table cylinder 98 up and down on the left and right end portions of the sorting and conveying conveyor 77. If the operation switch 88 that is manually operated by the sorting operator can be used, the number of parts can be reduced and the sorting operator can operate the lift cylinder 81 and the mounting table cylinder 98 while sitting on the sorting work seat 86. The labor of the operator is reduced. At this time, the operation switch 88 is easy to operate if it is provided with a lever movable in the cross direction and four switches.

Hereinafter, another embodiment of the ginseng harvester will be described.
As shown in FIGS. 10 and 11, the front-side remaining leaf processing frames 53 are arranged on the left and right sides of the front side of the first sorting and conveying frame 67, and the front and rear residual-leaf processing frames 53, 53 are widened. A remaining leaf processing drive roller 54c extending in the longitudinal direction of the aircraft is rotatably disposed at one end of the left and right sides of the fuselage, and a remaining leaf extending in the longitudinal direction of the aircraft is disposed at the left and right ends of the remaining leaf processing frames 53 and 53. The leaf processing driven roller 54d is rotatably arranged. Then, the remaining leaf processing belt 55 is wound endlessly from the rear end portion of the remaining leaf processing driving roller 54c and the remaining leaf processing driven roller 54d to the substantially central portion in the longitudinal direction of the machine body. A remaining leaf processing roller 56 is attached to the upper portion of the carrot so that the remaining leaf remaining at the root of the carrot is sandwiched together with the remaining leaf processing belt 55 and rotated to be excised.

  Further, a support plate 57 having a width and a longitudinal length substantially equal to the average diameter of carrot (about 80 mm) is provided below the remaining leaf processing roller 56 and on the inner circumferential surface of the remaining leaf processing belt 55. Arranged in parallel to the processing roller 56, a remaining leaf processing unit 100a configured to convey the remaining leaves of the carrot inherited from the harvesting unit C from one side to the other side while processing the left and right sides of the machine body is configured.

  Further, rubber, urethane, or the like in which a plurality of concave portions 99a are formed at equal intervals in the left-right direction of the body from the front end portion of the remaining leaf processing drive roller 54c and the remaining leaf processing driven roller 54d to the substantially central portion in the longitudinal direction of the body. A crop belt 100b is formed by winding a conveyor belt 99 made of an elastic body in an endless manner, whereby the residual leaf processing / conveying apparatus 100 is configured.

  According to the above configuration, the remaining leaf processing roller 56 constituting the remaining leaf processing unit 100a conveys carrots to the crop conveying unit 100b while cutting off the remaining leaves of the carrots that have been cut and cut by the stem and leaf cutting devices 46 and 46. In addition to improving the product value of carrots, it is possible to omit the work of manually cutting the remaining leaves after the harvesting work, and the work efficiency is improved.

  In addition, by attaching the support plate 57 below the remaining leaf processing roller 56 and on the inner circumferential surface of the remaining leaf processing belt 55, the remaining leaf can be clamped and cut with a stronger force. The remaining leaves can be reduced, and further labor saving can be achieved in manually removing the remaining leaves after the harvesting work.

  The remaining leaf processing belt 55 constituting the remaining leaf processing section 100a is made of an elastic body such as rubber or urethane, so that the remaining leaves are removed even if the ginseng falls by being cut off by the foliage cutting devices 50 and 50. Since the processing belt 55 reduces the impact of the drop, the carrot is prevented from being damaged by the impact of the drop, and the quality of the carrot is improved.

  Furthermore, by configuring the crop transport unit 100b on the front side of the machine relative to the remaining leaf processing unit 100a, the ginseng that has fallen due to the cutting of the foliage on the front side of the machine relative to the foliage cutting devices 50, 50 is dropped outside the machine. It can be received without any trouble, and the received carrot can be moved from the left and right sides of the machine to the other side by the crop transport unit 100b, so that the work of collecting the carrots that have fallen outside the machine after harvesting is omitted. Thus, the labor of the operator is reduced, and the carrot that has fallen on the front side of the machine body relative to the foliage cutting devices 50 and 50 can be returned to the conveyance path, so that the work efficiency is improved.

  Further, by forming the recesses 99a... In the transport belt 99 constituting the crop transport unit 100b with a predetermined interval in the left-right direction of the machine body, a portion that is lower than the upper surface of the remaining leaf processing belt 55 is formed on the transport belt 99. Therefore, the carrot is efficiently handed over from the remaining leaf processing unit 100a to the crop conveying unit 100b, and the work efficiency is improved.

  And since the conveyance belt 99 which comprises the crop conveyance part 100b was comprised with elastic bodies, such as rubber | gum and urethane, when receiving the carrot which falls in the conveyance direction front side from the foliage cutting devices 50 and 50, the conveyance belt 99 falls. Since the impact of the carrot is reduced, the carrot is prevented from being damaged by the impact of the fall, and the quality of the carrot is improved.

  Note that a recovery shooter 65 may be provided on the front side of the machine body relative to the remaining leaf processing and conveying apparatus 100 to receive the carrot falling from the pulling and conveying apparatus 24 on the front side of the machine body relative to the remaining leaf processing and conveying apparatus 100 and move it to the crop conveying unit 100b. Good.

  As shown in FIG. 12, the remaining leaf processing device 58 is arranged in a direction to transport carrots from the rear side of the machine body to the front side, and the front side of the remaining leaf processing device 58 and the conveyance start end side of the sorting and conveying conveyor 77 (right and left sides of the machine body). The ginseng that falls from the drawing / conveying device 24 on the front side of the machine relative to the pair of left and right foliage cutting devices 50 and 50 and the conveyance terminal portion (front side of the machine body) of the remaining leaf processing device 58 are spread over the front side of the one side. It is good also as a structure which arrange | positions the guide shooter 101 which moves impurities, such as a foliage and soil, to the conveyance start end side of the 2nd selection conveyance conveyor 77.

  According to the above configuration, even if the carrot falls on the front side of the machine body relative to the foliage cutting devices 50, 50, the front side part of the machine body of the remaining leaf processing device 58 or the guide shooter 101 receives the carrot and conveys it to the sorting and conveying conveyor 77. Since it is moved to the starting end, it is not necessary to collect the carrots that have fallen during the transfer, and the labor of the operator is reduced.

  Further, the guide shooter 101 guides the foreign matter such as foliage and soil falling from the carrot being transported by the pulling and transporting device 24, and the foreign material such as the remaining leaf and soil of the carrot discharged from the transport terminal end of the residual leaf processing device 58. Then, the plurality of transfer bars 76 are moved to the sorting and conveying conveyor 77 configured with a predetermined interval in the left and right direction of the machine body, so that foreign matters fall downward from the left and right spacing portions of the conveying bars 76. Therefore, it is easy to visually recognize the shape, size, and presence / absence of carrots of the carrot and improve the sorting accuracy. In addition, since it is not necessary for the sorting operator to remove impurities, the sorting operator can concentrate on the sorting work and the sorting accuracy and work efficiency can be improved.

  As shown in FIG. 13, a support plate 102 is attached to the rear end side of the body frame 1 so as to be rotatable from the front side of the body toward the left and right sides of the body. The receiving plate 103 may be attached to 90a so that the orientation of the accommodating portion F can be changed in the left-right direction of the body.

  According to the above configuration, when the accommodating portion F is rotated in the left-right direction of the machine body with the support plate 102 as a pivot, the flexible container 92b can be lowered to the left and right sides of the machine body. It is possible to cope with various farm conditions and work conditions, and work efficiency is improved.

In addition, the rotation possible range of the accommodating part F shall be 90 degree | times.
As shown in FIG. 14, the front end portions of the left and right alignment devices 48, 48 may be configured to enter the winding regions of the left and right nipping and conveying belts 18 and 18 constituting the pulling and conveying device 24.

  According to the above configuration, the front and rear lengths of the alignment devices 48, 48 can be extended forward by allowing the leading end portions of the alignment devices 48, 48 to enter the winding area of the holding and conveying belts 18, 18. As a result, the carrot alignment transportation time becomes longer, the cutting position of the carrots and leaves by the foliage cutting devices 50 and 50 is kept constant, and a lot of foliage is prevented from remaining in the carrots, and the roots of the carrots are foliage. Since it is prevented by the cutting devices 50 and 50 from being damaged, the product value of carrots is improved.

  In addition, it is not necessary to provide an alignment guide between the pulling / conveying device 24 and the alignment devices 48 and 48, and accordingly, the number of parts can be reduced and the cost can be reduced.

18 Nipping / conveying belt (Nipping endless belt)
24 Pulling and conveying device 33 Vibration arm (interlocking member)
36 Vibration device 37 Soira
40 Earthmoving bar (earthing material)
40a Bending portion 43 Rotating device 58 Remaining leaf processing device 64 Cleaning conveyor (first conveying device)
77 Sorting conveyor (second conveyor)
F receiving part R clamping action area (clamping action part)

Claims (4)

  A pulling / conveying device (24) for pulling out the crop by a pair of left and right sandwiched endless belts (18, 18) and transporting it to the rear is provided in a rear-upward inclined posture on the left and right sides of the machine body. A remaining leaf processing device (58) for receiving crops falling from the lower side of the side and processing the remaining leaves is provided, and the crop is transferred to the front side of the remaining leaf processing device (58) and transferred from the left and right sides of the machine body to the left and right sides. A first transport device (64) is provided, and a second transport device (77) is provided for transferring the crop to the left and right other side of the machine body from the first transport device (64) and transporting it to the left and right other side. Left and right earth cutting members that provide a container (F) that accommodates the crop discharged from the second conveyance device (77) and cuts the soil around the crop below the conveyance start end of the drawing conveyance device (24). (37, 37) is provided, and the nipping and conveying path (R The earthmoving member (40, 40) for dropping the soil attached to the crop being conveyed is provided below the upper part of the ground so as to be rotatable, and the earthing member (37, 37) is vibrated by the vibration of the vibration device (36). A root crop harvesting machine provided with an interlocking mechanism (43) for reciprocatingly rotating the members (40, 40).   The root crop harvesting machine according to claim 1, characterized in that a bent portion (40a, 40a) toward the sandwiching and conveying path (R) is formed at a rear end portion of the soil dropping member (40, 40).   A configuration in which a pair of left and right soil-carrying members (40, 40) are provided, and bent portions (40a, 40a) at the rear ends of the left and right soil-carrying members (40, 40) intersect below the nipping and conveying path (R). The root vegetable harvester according to claim 2, wherein The root crop harvesting machine according to any one of claims 1 to 3, wherein the mud dropping member (40, 40) is formed of an elastic body.

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