JP2015042150A - Root crop harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tail part cutting device which can reliably cut off a tail and a fibrous root of root crops harvested in late fall and the root crops that are slightly dried in a root crop harvester having the tail part cutting device.SOLUTION: A root crop harvester has a fibrous root cutting device 57 provided below a pull-out conveyor 24 which pulls out root crops and conveys them to the back. In the root crop harvester, the fibrous root cutting device 57 comprises a guide cover 44 having a plurality of slits 44s formed in a conveying direction and rotating blades 46 which rotate in a horizontal direction inside the guide cover 44. The guide cover 44 is formed into an arc shape in a side view, and a plurality of the rotating blades 46 are provided to rotate with a blade edge getting close to an arc-shaped inner peripheral wall inside the guide cover 44. In the plurality of the rotating blades 46, the rotating blade located on a lower side has a larger diameter.

Description

  The present invention relates to a root crop harvester that extracts a crop from a field and removes the roots of the crop for harvesting.

Japanese Patent Application Laid-Open No. 2011-45325 discloses a root vegetable harvesting machine that harvests root vegetables such as radish, carrots and persimmons.
This root crop harvester harvests the root vegetables by pulling them from the field while pulling them from the field by holding the stems and leaves of the root vegetables with a pulling and conveying device mounted on the traveling machine body. A tail cutting device is provided at the lower part of the pulling and conveying device so that the tails and roots of root vegetables are cut and removed during the conveyance so that it is not necessary to remove them after harvesting.

JP 2011-45325 A

  The tail cutting device is composed of a guide cover that is arcuate in a side view and a cutting blade that rotates inside thereof in a cylindrical shape on a horizontal axis, and root vegetables that enter the inside through a slit in the conveyance direction formed in the guide cover. The tail and the root of the beard are struck with a cutting blade that rotates at high speed in the conveying direction.

  However, since the tail and roots of root vegetables and dry root vegetables around late autumn are supple, even if the cutting blade that rotates in the conveying direction hits, it is difficult to escape from the cutting edge and cut off the tail vegetables and the harvested root vegetables. Many hair roots remain.

  Therefore, an object of the present invention is to provide a tail cutting device that reliably cuts off the tails and roots of root vegetables around late autumn and dry root vegetables in a root vegetable harvesting machine provided with a tail cutting device.

The problems of the present invention are solved by the following technical means.
According to the first aspect of the present invention, in the root vegetable harvesting machine in which the root cutting device 57 is provided at the lower part of the pulling and conveying device 24 that pulls out the root vegetable and conveys it backward, the root vegetable cutting device 57 is arranged along the conveying direction. A root vegetable harvesting machine comprising a guide cover 44 having a plurality of slits 44s and a rotary blade 46 that rotates horizontally inside the guide cover 44 is provided.

  According to the second aspect of the present invention, the guide cover (44) is formed in an arc shape in a side view, and a plurality of rotations are performed so that the cutting edge approaches the arc-shaped inner peripheral wall and rotates in the guide cover (44). The root vegetable harvester according to claim 1, wherein a blade (46) is provided, and the plurality of rotary blades (46) have a larger diameter as they are provided on the lower side.

  According to a third aspect of the present invention, a pair of left and right rotary blades (46) is provided, and the rotation direction of the left and right rotary blades (46) and the rotation direction of the left and right other rotary blades (46) are mutually set. The root vegetable harvesting machine according to claim 2, wherein the root vegetable harvesting machine is configured to rotate in reverse.

  According to a fourth aspect of the present invention, an electric motor (47a, 47b) for rotating the left and right rotary blades (46) is provided in a bottom discharge port (51) of the guide cover (44), and the left and right rotary blades ( 46) is a disk shape, and the diameter of the left and right rotary blades (46) located at the lowermost position is such that the electric motor (47a, 47b) is within the diameter. The root vegetable harvester according to any one of 3 was used.

  According to a fifth aspect of the present invention, there is provided a protection circuit for cutting off an electric current when an overcurrent flows through the electric motors (47a, 47b) for rotating the rotary blade (46). The root crop harvesting machine described was used.

  According to the sixth aspect of the present invention, the bottom of the electric motor (47a, 47b) provided in the bottom discharge port (51) of the guide cover (44) receives the driving force from the electric motor (47a, 47b) and rotates. The root vegetable harvester according to claim 4 or 5, wherein a suction fan (49) is provided.

  The invention according to claim 7 is the root vegetable harvesting machine according to any one of claims 1 to 6, wherein the disk-shaped rotary blade (46) is a circular saw blade. .

  The effect of the invention described in claim 1 is that the tail and the root of the root vegetables conveyed by the drawing and conveying device (24) enter the inside through the slit (44s) of the guide cover (44), and the tail and the root of the root Since the rotary blade (46) that rotates in the horizontal direction with respect to the cutting action acts transversely, even if the tail or the root of the hair is supple, it can be reliably cut without escaping from the cutting action area. This eliminates the need to remove the tail and roots.

  The effect of the invention described in claim 2 is that, in addition to the effect of the invention described in claim 1, the inner peripheral wall of the guide cover (44) with respect to the tail and the root of the hair that has entered from the plurality of slits (44s). Any one of the plurality of rotary blades (46) rotating with the blade tip approaching the blade acts to cut near the inner peripheral wall of the intrusion position, and the tail and the root of the hair are cut and removed from the base.

  The effect of the invention described in claim 3 is that, in addition to the effect of the invention of claim 2, the pair of left and right rotary blades (46) rotate in directions opposite to each other so as to sandwich the tail and the root of the hair. Therefore, even if the tail or the root of the hair is supple, it is prevented from being cut off, and the work for removing the tail or the hair of the hair is not required in a later process.

  The effect of the invention described in claim 4 is that, in addition to the effect described in any one of claims 1 to 3, the tail or the root cut by the left and right rotary blades (46) is an electric motor ( 47a, 47b) and can be prevented from corroding.

  Further, since the electric motors (47a, 47b) are located below the rotary blade (46), when the hand is inserted from the bottom discharge port (51) during the maintenance work, the cutting action portion of the rotary blade (46) is manually operated. Is prevented from touching, and safety during maintenance is improved.

  The effect of the invention of claim 5 is that, in addition to the effect of claim 4, the protection circuit is activated when a load is applied due to the tail, hair root, or soil entangled with the rotary blade (46). Thus, the driving of the electric motors (47a, 47b) is stopped, so that the rotary blade (46) and the driving unit are prevented from being damaged, and the durability is improved.

  The effect of the invention described in claim 6 is that, in addition to the effect described in claim 4 or 5, the tail and the hair root in the guide cover (44) are moved to the bottom discharge port (51) together with the exhaust of the suction fan (49). Since the tail and the hair root accumulate, the cutting action area of the rotary blade (46) is blocked and the electric motor (47a, 47b) is prevented from being subjected to a load for a long time. Harvesting work becomes possible, and work efficiency is improved.

  The effect of the invention described in claim 7 is that, in addition to the effect described in any one of claims 1 to 6, the rotating blade (46) is a circular saw blade, so that the tail and the root of the root are removed. Since it can be ground, it is prevented that an unnecessary part remains in a crop without being cut, and an operation for removing the unnecessary part becomes unnecessary.

  In addition, by using an off-the-shelf circular saw blade, when replacing the rotary blade (46), the rotary blade (46) is easily available and can be purchased at a low price.

Whole right side view of root crop harvesting machine Overall plan view of root crop harvesting machine Overall view of root crop harvester Front right enlarged view of root crop harvester Front enlarged plan view of root crop harvesting machine Landing bar part enlarged right side view Side view of hair root cutting device Front view of hair cutting device Side view of sorting and conveying section Enlarged plan view with an alignment device attached to the pulling and conveying device Enlarged side cross-sectional view of an aligning device attached to a pulling and conveying device Front section of alignment device Side view of a root cutting device of another configuration example Front view of the root cutting device of another configuration example

  Hereinafter, embodiments of the present invention will be described with reference to examples shown in the drawings. In this specification, the left and right directions in the forward direction of the root vegetable harvester are referred to as left and right, respectively, the forward direction is referred to as forward, and the reverse direction is referred to as backward.

  As shown in FIG. 1 to FIG. 3, a carrot harvester, which is a kind of root vegetable harvester shown as one of the embodiments, includes a traveling unit A that travels the aircraft, a control unit B on which the pilot rides, and the aircraft 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 A take-over conveyance unit D that conveys the carrot to the other side of the machine while processing, and a selection conveyance unit E that takes over the carrot from the take-up conveyance unit D and conveys the carrot to the rear side of the machine, and the auxiliary operator sorts the carrot being conveyed. And an accommodating part F that accommodates carrots discharged from the sorting and conveying 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 and 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 are The left and right crawlers 6L and 6R are formed by winding the traveling belts 5 and 5 around a plurality of wheels 4, 4... Mounted between the moving wheels 3 and 3. Then, 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 extended from the transmission case 8 to which the power of the engine 7 is transmitted to the left and right sides. To drive.

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 3, 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 nipping and conveying belts 18 and 18 are pressed against each other to form a carrot pulling and conveying path 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 machine body frame 1 and the rotating frame 20 are connected by an elevating cylinder 23, and the elevating cylinder 23 is operated by the control unit B to raise and lower the rotating frame 20, thereby pulling the pulling and conveying device 24 to the body frame 1. It is configured to move up and down.

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

  Further, as shown in FIGS. 4 to 6, left and right solitary frames 32, 32 are attached from the lower part of the front side of the body of the pull-out frames 15, 15 to a substantially intermediate position in the longitudinal direction of the body. , 32 are attached to the front end portions of the left and right vibrating arms 33, 33. Then, a vibration shaft 34 that rotates in response to the driving force of the engine 7 is extended to the front side of the body frame 1 toward the side where the pulling / conveying device 24 is provided, and the vibration shaft 34 and the vibration arms 33 and 33 are disposed behind. 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 the vibration arms 33, 33 at a substantially central position in the front-rear direction. The base of the left and right U-shaped earth dropping bars 38, 38 is attached in the side view of dropping the soil adhering to the carrots inside the place where the base is attached, and the action part on the end side of the earthing bars 38, 38 is attached. The vibration device 36 is configured in a substantially horizontal posture with respect to the field scene.

  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 removing the carrots is omitted, and the labor of the worker is reduced.

  And the front end part of the left and right soilers 37, 37 crawls up and down the left and right lifting projections 40, 40 that crawl up the foliage hanging in the field, and the front part is located in front of the lateral lugs 26 a of the device 26. Arrange to do.

  Further, the left and right guide bars 41, 41 that guide the stems and leaves scooped up by the ridge protrusions 40, 40 to the front side of the ridge protrusions 40, 40 to the holding start end of the pulling and conveying device 24 are shown in a plan view. The guide bars 41 are attached so that the left and right spacing between the guide bars 41 decreases toward the rear side of the machine body.

  When the guide bars 41 and 41 are made of a cylindrical elastic material having a high degree of flexibility such as a piano wire and having a certain degree of hardness, the vibration width is increased and the effect of preventing the tangles from being entangled is improved.

As shown in FIG. 1, a root cutting device 57 is provided on the rotating frame 20 at an intermediate position between the front and rear of the pulling and conveying device 24.
As shown in FIGS. 7 and 8, the hair root cutting device 57 has an outer frame 43 having an arcuate guide cover 44 in a side view and a number of downward rotations that horizontally rotate within the guide cover 44 below the outer frame 43. A plurality of rotary blades 46a1, 46a2, 46b1, 46b2, 46c1, 46c2, 46d1, 46d2,. The outer frame 43 has a bolt 43v inserted into the long holes 43h, 43h formed in the mounting portion 43j below the pulling conveyance path R and behind the rear end portions of the earth dropping bars 38, 38 in the downwardly inclined direction. Then, it is attached to the left and right digging frames 20 in a state where the vertical height can be adjusted.

  The guide cover 44 is provided with a plurality of slits 44s along the arc-shaped peripheral wall from the front lower side to the rear lower side, and a plurality of rotary blades 46a1, 46a2, 46b1, 46b2, 46c1, 46c2, 46d1, 46d2,. Two rotating shafts 45a and 45b that are pivotally supported are suspended in parallel in the horizontal direction, and the rotating shafts are connected via gears 48 and 49 from electric motors 47a and 47b mounted on the cross rail 50 of the bottom outlet 51 of the outer frame 43. 45a and 45b are driven.

  As shown in FIGS. 13 and 14, a soft suction fan 49 is provided below the electric motors 47a and 47b so as to suck out the cut tail and roots downward. If the suction fan 49 is not provided, the operator first touches the electric motors 47a and 47b even if the operator inserts his / her hand from below, so that his / her hand is prevented from touching the cutting action area and safety is improved.

  Further, the transmission motors 47a and 47b are set such that the left and right rotation directions are set clockwise and the left and right rotation directions are counterclockwise, and the left and right rotation blades 46a1, 46b1, 46c1,. The rotation directions of the rotary blades 46a2, 46b2, 46c2, 46d1, 46d2,... Are opposite to each other.

  The right and left rotary blades 46a1, 46b1, 46c1,... And the left and right other rotary blades 46a2, 46b2, 46c2, 46d1, 46d2,. When it comes into contact, even if it tries to evacuate without being cut, it is pushed back by the other rotating blade that rotates in the opposite direction, and the left and right rotating blades are moved to the cutting area where they overlap in plan view. Can be reliably cut by being sandwiched between the left and right rotary blades.

  Thereby, the operation | work which removes a tail and a hair root from a carrot becomes unnecessary, and the work efficiency of a post process improves. This is particularly effective when harvesting carrots from late autumn to early winter when the tail and roots tend to be supple.

  Long holes 55, 55 are formed along the arc of the guide cover 44 in the upper front portions of the left and right outer frames 43, and both left and right ends of the scraper 56 are inserted into the long holes 55, 55 and attached with bolts 56v. The scraper 56 is made of an elastic body such as rubber, and scrapes off ginseng and the soil adhering to the carrot root of the carrot. The scraper 56 is movable along the direction of the holes 55 and 55.

  Further, point markers 43p... That can visually determine the vertical position of the outer frame 43 are provided at the rear of the mounting portion 43j of the outer frame 43. The point marker 43p is formed by a method in which a rear end portion of the attachment portion 43j of the outer frame 43 is cut out at substantially equal intervals and a scale is drawn with a paint or a sticker is attached.

  With this configuration, the tails and roots of the root vegetables transported rearward and upward by the pulling and transporting device 24 enter the inside through the slits 44s of the guide cover 44, and the rotary blade 46 rotates horizontally with respect to the tails and roots. For example, the first left rotating blade 46a1 and the right rotating blade 46a2, the second left rotating blade 46b1 and the right rotating blade 46b2, the third left rotating blade 46c1, the right rotating blade 46c2, and the fourth Are arranged so that the cutting edges of the left rotating blade 46d1 and the right rotating blade 46d2... Cross each other, so that the tail and the root of the hair can be effectively cut.

  A plurality of rotary blades 46a1, 46a2, 46b1, 46b2, 46c1, 46c2, 46d1, 46d2,... Are provided with one rotary shaft 45a, 45b at the center of the left and right sides, and the cutting edge approaches the arcuate inner peripheral wall of the guide cover 44. A configuration in which the diameters are sequentially increased from the top to the bottom is also possible.

  The plurality of rotary blades 46a1, 46a2, 46b1, 46b2, 46c1, 46c2, 46d1, 46d2,... May be strip-shaped straight blades or disk-shaped blades. 7 and 8, the lowermost fourth left and right rotary blades are disk blades having a diameter larger than that of the electric motors 47a and 47b, so that the cut tail and whiskers are removed from the electric motor 47a, 47b is prevented from being deposited.

  Further, if the rotary blades 46a1, 46a2, 46b1, 46b2, 46c1, 46c2, 46d1, 46d2,... Are made into general disc-shaped tipsaws, they can be purchased at low cost as replacement parts. Further, when the drive rotation directions of the left and right electric motors 47a and 47b for rotating the rotation shafts 45a and 45b are alternately reversed, the tail and the root can be cut so as to sandwich the tail and the root. Cutting is more reliable.

Further, the drive circuits of the electric motors 47a and 47b are protection circuits that stop when the rotation is stopped due to accumulation of soil, tail, or hair root on the rotary blade 46 and the fuse is blown by an overcurrent.
In the rear lower part of the pulling and conveying device 24, left and right position aligning devices 58 and 58 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 59 and 59 that take over the foliage portion from the aligning devices 58 and 58 and convey it to the rear of the machine body, left and right cutting devices 60 and 60 that cut the foliage portion, and cutting by the left and right cutting devices 60 and 60 A harvesting part C is configured by providing a leaf discharge shooter 61 that discharges the stems and leaves from the end portions of the left and right leaf and leaf transport devices 59 and 59 to the field to configure the leaf transport device 62.

Next, the takeover conveyance unit D will be described.
As shown in FIGS. 1 to 3, front and rear residual leaf processing frames 63 and 63 are provided below the foliage cutting devices 60 and 60, and left and right residual leaf processing is performed between the front and rear sides of the front and rear residual leaf processing frames 63 and 63. The rollers 64 and 64 are attached rotatably. Then, a remaining leaf processing belt 65 made of an elastic material such as rubber or urethane is wound around the left and right remaining leaf processing rollers 64, 64 in an endless manner, and the remaining portion of the carrot root remaining on the remaining leaf processing belt 65. A leaf-removal roller 66 is attached to the leaf, which is sandwiched with the leaf-removal belt 65, and rotated to cut it out. The remaining leaves of the carrot taken over from the harvesting part C are processed and conveyed from the left and right sides of the machine to the left and right sides. The remaining leaf processing device 67 is configured.

  In addition, a lattice-shaped cradle 68 is provided in a downward inclined posture for receiving a crop that has fallen on the front end side of the remaining leaf processing device 67 and on the front side of the body with respect to the foliage cutting devices 60, 60, and on the left and right sides of the body In addition, a pumping conveyance drive roller 69 is provided on the inner side of the machine body relative to the cradle 68 and a pumping conveyance driven roller 70 is provided on the left and right other side. Then, the pumping conveyance belt 71 is wound endlessly around the pumping conveyance driving roller 69 and the pumping conveyance driven roller 70 on the front side of the machine body and adjacent to the residual leaf processing apparatus 67 with respect to the residual leaf processing apparatus 67. A pumping conveyer 72 is formed which takes over the carrot from the remaining leaf processing device 67 and the cradle 68 and pumps it to the left and right sides of the machine body.

A takeover conveyance unit D is constituted by the remaining leaf processing device 67 and the uplift conveyance conveyor 72 provided in the upward inclined posture.
With the above configuration, the remaining leaf processing roller 66 constituting the remaining leaf processing device 67 transports the carrots to the pumping conveyor 72 while cutting off the remaining leaves of the carrots cut by the stem and leaf cutting devices 60, 60. As a result, the work of cutting the remaining leaves manually after the harvesting work can be omitted, and the work efficiency is improved.

  Further, the remaining leaf processing belt 65 constituting the remaining leaf processing device 67 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 stem and leaf cutting devices 60 and 60. Since the processing belt 66 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.

  Then, by providing a grid-like pedestal 68 on the starting end side of the remaining leaf processing device 67 and on the front side of the machine body in a downward inclined posture, the foliage part is cut off on the front side of the machine body relative to the foliage cutting devices 60 and 60. The fallen carrots can be received without dropping outside the machine, and the received carrots can be moved toward the pumping conveyor 72, so the work of collecting the carrots that have fallen outside the machine after harvesting work is omitted. Thus, the labor of the operator is reduced, and the carrot dropped on the front side of the machine body relative to the foliage cutting devices 60 and 60 can be returned to the transport path, so that the work efficiency is improved.

Next, the sorting and conveying unit E will be described.
As shown in FIGS. 2, 3, and 9, left and right sorting and conveying frames 73 and 73 are attached to the rear part of the control unit B, and a sorting and conveying drive roller 74 is provided between the left and right of the left and right sorting and conveying frames 73 and 73 on the front side of the machine body. A sorting / conveying driven roller 75 is rotatably attached to the rear side of the machine with respect to the sorting / conveying drive roller 74. A sorting / conveying tension roller 76 is rotatably attached between the sorting / conveying drive roller 74 and the sorting / conveying driven roller 75.

  Then, an elastic belt 77 having a plurality of elastic protrusions is wound around the sorting / conveying drive roller 74, the sorting / conveying driven roller 75, and the sorting / conveying tension roller 76 in an endless manner, so that the sorting / conveying in a rearwardly inclined posture is performed. A conveyor 78 is configured. Further, the sorting conveyor 78 is arranged so that the starting end portion is located below the end of the scooping conveyor 72 of the scooping conveyance unit D.

  Further, by attaching the shooter 79 to the rotating shaft of the sorting and conveying driven roller 75 so as to be rotatable up and down, and attaching the operation lever 80 for rotating the shooter 79 up and down on the left and right outer sides of the shooter 79, the sorting and conveying unit E Composed.

  As described above, the shooter 79 is provided so as to be pivotable up and down, and when the shooter 79 is pivoted downward, the carrot is gently dropped into a container 83 such as a container or a flexible container bag installed in the container F described later. As a result, it is possible to prevent the carrot from being damaged by the impact of a drop and to improve the product value of the carrot.

  Further, when the shooter 79 is rotated upward, it becomes a stopper that closes the terminal end side of the sorting and conveying conveyor 78. Therefore, when exchanging a container full of carrots, the carrot can be moved without stopping the sorting and conveying conveyor 78. Since it is possible to prevent the carrot from falling from the end portion, it is necessary to prevent the carrot from being damaged by the impact of the drop and improve the quality of the carrot, and the power of the sorting and conveying conveyor 78 needs to be frequently turned on and off. The work efficiency is improved.

  Further, since the shooter 79 is turned upward to serve as a stopper and the sorting / conveying conveyor 78 is not stopped, the carrot accumulates on the terminal side of the sorting / conveying conveyor 78. Since the carrots that have been brought into contact with the carrots staying at the conveyance start end of the sorting and conveying conveyor 78 are prevented from being damaged, the product value of the carrots is improved.

  Further, by attaching an operation lever 80 for turning the shooter 79 up and down on the left and right outer sides of the shooter 79, the auxiliary worker can turn the shooter 79 up and down while sitting on an auxiliary work seat 88 described later. The labor of auxiliary workers is reduced.

Next, the accommodating part F is demonstrated.
As shown in FIGS. 1 to 3 and 9, left and right support frames 81 and 81 are provided below the left and right sorting and conveying frames 73 and 73, and one end of a telescopic damper 82 is provided on the left and right support frames 81 and 81, respectively. Install. And while attaching the container container base 84 which installs the container 83 which accommodates the carrot in the rear lower part of the right-and-left sorting conveyance frames 73 and 73, the flexible container bag, the bag body, etc. to be able to rotate up and down and in an upward inclined posture, The other end of the damper 82 is attached to the storage container mount 84.

  In addition, a preliminary container container base 85 on which a spare container 83 is installed at the rear end of the container container base 84 is attached so as to be vertically rotatable and in an upward inclined posture. Further, a container loading platform 86 for loading a container 83 containing ginseng that is long in the longitudinal direction of the machine is located on the other side of the machine from the left and right sides of the machine than the container 84, the sorting and conveying conveyor 78, and the right crawler 6R. Install.

  Then, a support frame 87 bent over the upper side of the storage container stacking table 86 and toward the sorting and conveying conveyor 78 is attached to the outside of the machine body of the storage container stacking table 86, and an auxiliary worker is mounted on the support frame 87. Auxiliary work seat 88 is seated. And the 2nd preliminary storage container mounting base 89 which installs the standby storage container 83 in the rear part of the said storage container mounting base 86 is attached, and the storage part F is comprised.

  As described above, by attaching the other end of the extendable damper 82 to the storage container table 84 provided in the upward inclined posture, the storage container table 84 descends as the carrot is stored in the storage container 83 and becomes heavier. Therefore, since ginseng is prevented from being biased to a part of the storage container 83, the frequency of replacement of the storage container 83 is reduced, and the labor of the operator is reduced.

  Further, the provision of the preliminary storage container base 85 for installing the preliminary storage container 83 at the rear of the storage container base 84 allows the damper 82 to extend when the storage container 83 full of carrots is removed from the storage container base 84. Since the storage container base 84 returns to the upward inclined posture and the storage container 84 installed on the preliminary storage container base 85 slides down on the storage container base 84, it is not necessary to manually install the storage container 83. The labor efficiency of the worker is reduced and the work efficiency is improved.

  The storage container loading platform 86 is foldably attached to the inside of the machine body so that it can be folded to the inside of the machine body. Since it can be made compact, it can be easily loaded on a small truck and the transportability is improved.

  Further, by providing an auxiliary work seat 88 on a support frame 87 that is bent toward the sorting and conveying conveyor 78 over the storage container loading table 86, the auxiliary operator can be positioned near the sorting and conveying conveyor 78. Since the sorting operation can be performed, the sorting accuracy is improved, and the container 83 is not hindered from moving on the container loading platform 86, so that the work efficiency is improved.

  In addition, by attaching the second preliminary storage container stand 89 to the rear part of the storage container loading table 86, a large number of storage containers 83 can be mounted on the machine body, so that the harvesting operation is continued continuously for a long time. Work efficiency is improved.

The embodiment shown in FIGS. 10 to 12 shows an embodiment in which an aligning device 90 is provided in the drawing / conveying device 24.
When the root vegetables are harvested at one time by the drawing and conveying device 24, it is difficult to align the top and bottom positions of the root vegetables, so the aligning device 90 aligns them until they are transferred to the left and right alignment devices 58 and 58. is there.

  An aligning device 90 is provided at a position where the tension roller 19 that gives a clamping force to the clamping conveyance belt 18 is removed below the drawing conveyance device 24. As shown in FIG. 12, the aligning device 90 includes a driving roller 91, a driven roller 92, an inner clamping roller 94, and an outer tension roller 98 around which the clamping belt 93 is wound. As described above, the drive roller 91 is driven by the rotary transmission mechanism such as the universal joint 99 from the drive pulley 97 that is pivotally supported by the support frame 95 and is in contact with the holding and conveying belt 18.

  The root vegetables whose stems and leaves are sandwiched by the sandwiching and transporting belt 18 of the pulling and transporting device 24 are guided to the sandwiching interval of the sandwiching belt 93 by the guide plate 96 arranged in the wide front, and the root vegetables are vertically moved while being sandwiched and fed backward. To align. Root vegetables that are smaller than the lower clamping interval of the clamping belt 93 are dropped and released downward.

  The aligning device 90 may be removable from the pulling / conveying device 24.

24 Pulling and Conveying Device 44 Guide Cover 44s Slit 45a Rotating Shaft 45b Rotating Shaft 46 Rotating Blade 47a Electric Motor 47b Electric Motor 49 Suction Fan 57 Tail Cutting Device

Claims (7)

  In the root crop harvesting machine in which the root cutting device (57) is provided at the lower part of the pulling and transporting device (24) for extracting and transporting the root vegetables, the root cutting device (57) includes a plurality of root cutting devices (57) along the transport direction. A root vegetable harvesting machine comprising a guide cover (44) having a slit (44s) and a rotary blade (46) rotating in the horizontal direction inside the guide cover (44).   The guide cover (44) is formed in an arc shape in a side view, and a plurality of rotary blades (46) are provided in the guide cover (44) so that the cutting edge approaches and rotates on the arc-shaped inner peripheral wall. The root vegetable harvesting machine according to claim 1, wherein the rotary blade (46) has a larger diameter as it is provided on the lower side.   A pair of left and right rotary blades (46) is provided, and the rotation direction of the rotary blade (46) on one side of the left and right and the rotation direction of the rotary blade (46) on the other side of the left and right are mutually reversed. The root vegetable harvester according to claim 2.   Electric motors (47a, 47b) for rotating the left and right rotary blades (46) are provided at the bottom discharge port (51) of the guide cover (44), and the left and right rotary blades (46) have a disk shape, and are located at the bottom. The diameter of the right and left rotary blades (46) positioned at the center is set such that the electric motor (47a, 47b) is within the diameter. 4. Root crop harvesting machine.   The root vegetable harvester according to claim 4, further comprising a protection circuit that cuts off an electric current when an overcurrent flows through the electric motor (47a, 47b) that rotates the rotary blade (46).   A suction fan (49) that rotates by receiving a driving force from the electric motor (47a, 47b) is provided at the bottom of the electric motor (47a, 47b) provided at the bottom discharge port (51) of the guide cover (44). The root vegetable harvesting machine according to claim 4 or 5, characterized in that.   The root vegetable harvesting machine according to any one of claims 1 to 6, wherein the disk-shaped rotary blade (46) is a circular saw blade.

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