JP2015008644A - Root crop harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a root crop harvester with a device for properly removing the earth and sand deposited on crops in a pullout conveyor because a starting end of a pullout conveyor is necessary to be brought close to a field surface when stems and leaves are short in the root crop harvester of carrots, and the like, and in this case, the pullout conveyor holds the stems and leaves, and at the same time, often holds the earth and sand around the crops together, and also these earth and sand are transferred to a subsequent process with the crops, so that the work for removing the earth and sand deposited on each part of a machine body is needed and a problem of the increase of time and the labor spent by the worker is caused.SOLUTION: A root crop harvester includes an earth and sand removal unit (150) for removing the earth and sand around crops at the front part of a pullout conveyor (24), where the working point (T) of the earth and sand removal unit (150) is located at the front side with respect to a conveyance starting point (S) of the pullout conveyor (24).

Description

  The present invention relates to a harvester that harvests root vegetables such as carrots.

  The root vegetable harvesting machine described in the prior patent document 1 pulls out a crop from a field by a pulling and conveying device, conveys the crop to the rear, cuts the foliage by shoulder-aligning the crop with a tapping device, and remains in the falling crop. The leaf portion is conveyed while being processed by the remaining leaf processing portion, and the crop is collected with a flexible container bag provided at the conveyance terminal portion of the sorting and conveying device.

JP 2012-115157 A

  The pulling and conveying device is for pulling out the foliage of a crop to be vegetated in the field, and when the foliage is short, it is necessary to bring the starting end close to the field scene. At this time, the pulling / conveying device often holds the soil around the crop at the same time as the foliage is sandwiched, and the soil is transported to the subsequent process together with the crop, and the work removes the sediment attached to each part of the machine body. Is required, and there is a problem that the time and labor that the operator spends increases.

  If the transported earth and sand are left unattended, if they enter the gap between the sprockets and the chain of each transport device, for example, the chain will fall off due to the biting of the sand and the components of the transmission system will be damaged due to overload. There is a problem. As a result, there arises a problem that the crop harvesting operation is interrupted for a long time and a problem that extra time and labor are required for repair.

  Although it is possible to prevent damage to major members by providing a safety device such as a shear pin against damage to the components of the transmission system due to this overload, replacement of the safety device is necessary. Yes, since the harvesting work is interrupted accordingly, the work efficiency is lowered.

  Constructing the transmission part of each conveyor device with a belt makes it difficult for components to break. However, with the belt conveyor, soil and sand are transported together with the crop, so the soil and sand hide crop damage and harvest crops that are not suitable for harvesting. This causes problems such as reduced sorting accuracy, soil and sand entering the flexible container bag, and a reduction in the amount of crops stored, increasing the number of operations for lowering and attaching the flexible container bag, and lowering work efficiency. .

Therefore, it is a problem to be solved by the present invention to provide a root crop harvester equipped with an apparatus for properly removing earth and sand adhering to crops.

The present invention has taken the following technical means to solve the above problems.
That is, the invention described in claim 1 is a pulling / conveying device (24) for pulling out a crop from a field, a tapping device for taking over a crop from the pulling / conveying device (24), cutting and discharging a foliage portion, and the tapping device. In a root crop harvesting machine comprising a residual leaf processing unit (E) that takes over the crop from the plant and conveys the remaining leaf while processing the soil, sand that removes the soil around the crop at the front of the drawing and conveying device (24) A root vegetable characterized in that it comprises a removal device (150), and the point of action (T) of the earth and sand removal device (150) is located in front of the conveyance start point (S) of the drawing conveyance device (24). It is a harvesting machine.

  The invention according to claim 2 is characterized in that the earth and sand removing device (150) comprises: an earth and sand removing member for removing earth and sand around the crop; and a rotary transmission means (151) rotatably provided with the earth and sand removing member. The earth and sand removing device (150) is provided below the pulling and conveying device (24), and the rotational transmission means (151) is further provided with an input transmission member that receives rotational power from the pulling and conveying device (24). 152) and an output transmission body (153) for applying rotational power to the earth and sand removing member, and the output transmission body (153) is located in front of the input transmission body (152), The root vegetable harvester according to claim 1, wherein the output transmission body (153) is configured to rotate in a direction opposite to the input transmission body (152).

  According to a third aspect of the present invention, a pair of left and right earth removing devices (150, 150) are provided below the drawing and conveying device (24), and the earth and sand removal constituting these earth and sand removing devices (150, 150) is provided. An interval portion (U) through which the crop drawn between the members can pass is provided, and the number of rotations of the earth and sand removing member is equal to or higher than the number of rotations of the driven pulley (16) constituting the extraction conveyance device (24). The root vegetable harvester according to claim 2, wherein

  The invention according to claim 4 is characterized in that the earth and sand removing member is a disk-like earth and sand removing disk (154), and irregularities are formed on the outer peripheral edge of the earth and sand removing disk (154). The root vegetable harvesting machine according to claim 2 or claim 3.

  In the invention according to claim 5, the earth and sand removing member is a earth discharging member (155) in which one end portions of a plurality of strings are fixed to a lower part of a disk, and the earth and sand removing member is rotated. The root vegetable harvester according to claim 2 or 3, wherein the other end of the string body spreads outward by centrifugal force.

  According to a sixth aspect of the present invention, a tapping device transmission means (160) for transmitting a driving force to the tapping device is provided, and the tapping device transmission means (160) switches between normal rotation and reverse rotation of the tapping device. The root vegetable harvester according to claim 1, further comprising a transmission switching device.

  According to a seventh aspect of the present invention, the tapping device transmission means (160) rotates the input rotary body (162) receiving rotational power and the input rotary body (162) so as to rotate freely. A body (163) and an output rotating body (164) rotating in mesh with either the input rotating body (162) or the free rotating body (163), and the transmission switching device is configured to output the output The rotating body (164) is meshed with the input rotating body (162) or the free rotating body (163) to switch between normal rotation and reverse rotation of the tapping device. Root crop harvester.

  According to an eighth aspect of the present invention, the transmission switching device resists the biasing member (165) biasing the output rotating body (164) downward and the biasing force of the biasing member (165). The root vegetable harvesting machine according to claim 7, comprising a push-up member (166) for pushing up the output rotating body (164) and a switching operation lever (167) for operating the push-up member (166). It is.

  The invention according to claim 9 is characterized in that the residual leaf processing conveyor (76) and the residual leaf processing roller (75) for removing the stem and leaf portion remaining in the crop being conveyed by the residual leaf processing conveyor (76). A residual leaf processing transmission case (170) that constitutes the residual leaf processing section (E) and supplies driving force to the residual leaf processing roller (75) is provided, and the drive branched in the residual leaf processing transmission case (170) The root crop harvesting machine according to claim 1, further comprising a wind-up device (172) that receives force and removes soil and sand on the remaining leaf processing conveyor (76) with a conveying wind.

  According to the first aspect of the present invention, the action point (T) of the earth and sand removing device (150) provided at the front portion of the drawing and conveying device (24) is the conveyance starting point (S) of the drawing and conveying device (24). By being located on the front side, it is possible to prevent the earth and sand from being transported together when the crop is pulled out from the field, so that each working device is prevented from being damaged by biting the earth and sand.

  In addition, the soil around the crops in the field can be removed, and the transport start end (S) of the pull-out transport device (24) can be brought closer to the field scene than before, so that the crop with a short foliage can be pulled out. Harvesting is possible, and the adaptability of working conditions is improved.

  In addition, it is not necessary to remove earth and sand adhering to each part of the machine body, and the work time and labor can be reduced.

  According to the second aspect of the invention, in addition to the effect of the first aspect of the invention, the output transmission body (153) is configured to rotate in the opposite direction to the input transmission body (152). Since the direction of action of the member can be opposite to the conveyance direction of the drawing and conveying apparatus (24), a force acts on the earth and sand in a direction away from the conveyance start point (S) of the drawing and conveying apparatus (24). Can be prevented from being conveyed by the pulling and conveying device (24).

  Further, the earth and sand removing device (150) is provided below the pulling and conveying device (24), and the output transmission body (153) constituting the earth and sand removing device (150) is located on the front side of the input transmission body (152). Thus, the soil removal device (150) can remove the soil from the crop before the pulling and conveying device (24) sandwiches the foliage of the crop.

  According to the invention described in claim 3, in addition to the effect of the invention described in claim 2, the pair of left and right earth removing devices (150, 150) is replaced with the earth and sand constituting these earth and sand removing devices (150, 150). By arranging the space (U) through which the crops drawn between the removal members can pass, it is possible to prevent the soil removal device (150, 150) from coming into contact with the crops and damaging the crops. Can be maintained.

  Further, when the rotation speed of the earth and sand removing member is equal to or higher than the rotation speed of the driven pulley (16) constituting the extraction and conveyance device (24), the extraction and conveyance device (24) after finishing the removal of the earth and sand around the crop. Therefore, when the crop is pulled out from the field, the earth and sand are prevented from being conveyed together. Thereby, the breakage of each working device due to the biting of earth and sand is prevented, and the working efficiency is improved.

  By removing the earth and sand around the crop, the transfer start point (S) of the pull-out transfer device (24) can be brought closer to the field scene than before, so that a crop with a short foliage can be extracted and harvested. , Improve the adaptability of working conditions.

  According to the invention described in claim 4, in addition to the effect of the invention described in claim 2 or claim 3, the earth and sand removing member is a disc-like earth and sand removing disk (154). The mounting space in the front-rear and up-down directions can be reduced, and the earth and sand removal device (150) can be configured compactly.

  Further, by forming irregularities on the outer peripheral edge of the earth and sand removal disc (154), the earth and sand can be guided in the rotational direction of the earth and sand removal disk (154) by this irregularity, and the earth and sand around the crop is pulled out and conveyed It can be prevented from being conveyed by (24). Thereby, the breakage of each working device due to the biting of earth and sand is prevented, and the working efficiency is improved.

  According to the invention described in claim 5, in addition to the effect of the invention described in claim 2 or claim 3, the earth and sand removing member is a soil discharger in which one end portions of a plurality of string bodies are fixed to the lower part of the disc. It is a member (155), and by rotating the earth and sand removing member, the other end of the string body spreads outward by centrifugal force, so that the soil can be prevented from being damaged by the soil removal member (155). Product value can be maintained.

  According to the invention of claim 6, in addition to the effect of the invention of claim 1, the tapping device transmission means (160) for transmitting the driving force to the tapping device is switched between normal rotation and reverse rotation of the tapping device. By providing the transmission switching device, even if the tapping device is clogged with foliage and earth and sand, the foliage and earth and sand can be easily discharged by operating the tapping device in reverse.

  Since it can be easily discharged, it is not necessary to disassemble the tapping device in order to remove clogged foliage and the like, and the work efficiency is improved.

  According to the invention described in claim 7, in addition to the effect of the invention described in claim 6, the transmission switching device includes an output rotating body (164), an input rotating body (162) or a free rotating body (163). By meshing, by switching between normal rotation and reverse rotation of the tapping device, it is possible to easily remove the foliage and earth and sand by reverse rotation operation, and the work efficiency is improved.

  According to the invention described in claim 8, in addition to the effect of the invention described in claim 7, the transmission switching device includes an urging member (165) for urging the output rotating body (164) downward, and this attachment. By comprising a push-up member (166) that pushes up the output rotating body (164) against the biasing force of the bias member (165) and a switching operation lever (167) that operates the push-up member (166), The push-up member (166) is operated by operating the switching operation lever (167), and the push-up member (166) pushes up the output rotating body (164) against the urging force of the urging member (165), thereby tapping the tapping device. Since the reverse rotation is performed, the operator can operate the transmission switching device at a position away from the tapping device, so that workability is improved and work efficiency is improved.

  Since the output rotator (164) is urged downward by the urging member (165), when the operation of the switching operation lever (167) is stopped, the output rotator (164) returns to the original position, and the tapping device. Is operated in the normal direction, it is possible to prevent the harvesting operation from being performed while the output rotating body (164) is in the reverse rotation position.

  According to the ninth aspect of the invention, in addition to the effect of the first aspect of the invention, there is provided a wind-up device (172) that removes the earth and sand and the foliage part on the remaining leaf processing conveyor (76) with the conveying wind. Thus, it is possible to prevent the earth and sand and the foliage from scattering to the worker.

  In addition, when the wind generating device (172) is operated by receiving the driving force from the same driving source as the driving force of the remaining leaf processing roller (75), the driving force can be obtained from the existing device, and the number of parts is increased. Can be reduced.

It is a side view of the root vegetables harvester concerning a first embodiment of the present invention. It is a top view of the root vegetable harvester of FIG. It is a side view of the tapping apparatus of the root vegetable harvester of FIG. It is a top view of the tapping apparatus of FIG. It is a side view of the front part of the extraction conveyance apparatus of the root vegetable harvester of FIG. It is a top view from the P direction of the drawing conveyance apparatus of FIG. It is a side view of the front part of the extraction conveyance apparatus of the root vegetables harvester concerning 2nd embodiment of this invention. It is an internal perspective block diagram of the tapping device transmission means of the root crop harvester according to the third embodiment of the present invention. It is a top view of the residual leaf process part of the root vegetables harvester concerning 4th embodiment of this invention. It is a rear view from the R direction of the remaining leaf processing part of FIG. It is a block diagram of the swing mechanism of the remaining leaf processing part of FIG. It is a front view of the air earth and sand removal apparatus of the root vegetable harvester concerning 5th embodiment. It is a perspective view of the hanging hook of the storage container of the root vegetable harvester concerning 6th embodiment.

Embodiments specifically configured based on the above technical idea will be described below with reference to the drawings. In this manuscript, they are referred to as left and right and front and rear, respectively, in the forward direction of the root vegetable harvester.

  1 and 2 show a root vegetable harvester according to a first embodiment of the present invention. FIG. 1 is a right side view of a root crop harvesting machine, and FIG. 2 is a plan view. The root vegetable harvester according to the first embodiment is a carrot harvester that harvests carrots that are root vegetables. The root crop harvesting machine includes a traveling unit A that travels the aircraft, a control unit B on which a pilot rides, a harvesting unit C that pulls out carrots from the field on the left and right sides of the aircraft and transports them to the upper rear side of the aircraft, and the harvesting A foliage cutting part D that cuts the foliage part while taking over the carrot from the part C and transporting it to the rear of the machine, and a remaining leaf processing part E that receives the ginseng falling from the foliage cutting part D and processing the foliage part remaining in the carrot. , Taking over the carrot from the remaining leaf processing part E and transporting the carrot from the left and right sides of the machine body to the left and right side, and the sorting and transporting part F where the auxiliary operator sorts the carrots being transported, and discharging from the sorting and transporting part F It is comprised from the accommodation part G which arrange | positions the ginseng accommodation member and the mounting discharge part H which mounts the bottom part of a accommodation member, and discharge | emits it to a farm field.

First, the configuration of the traveling unit A will be described.
As shown in FIG. 1 and FIG. 2, 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 extended from the transmission case 8 to which the power of the engine (not shown) is transmitted to the left and right sides. And 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.

  Further, a radiator cover 10a for protecting the radiator (not shown) for cooling the engine is attached to the left and right other sides (right side of the body) of the control unit frame 10 and is detachably attached. The control unit B is configured. 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 FIG. 1 and FIG. 2, it is composed of a pulling / conveying device 24 that is brought forward close to the field and lifted upward as it goes backward, and its peripheral members. The pulling / conveying device 24 has left and right driven pulleys 16 and 16 rotatably mounted on the front side of the left and right pulling frames 15 and 15, and left and right driving pulleys 17 and 17 mounted on the rear side of the body. The left and right nipping and conveying belts 18 and 18 for pulling out the carrots and conveying them to the rear of the machine body are wound around the left and right driving pulleys 17 and 17, and the left and right nipping and conveying belts 18 and 18 are tensioned by a plurality of tension rollers 19. 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. 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 a driving force is attached so as to be rotatable up and down around a rotation fulcrum. Further, the machine body frame 1 and the rotating frame 20 are connected by a lifting cylinder (not shown), and the lifting cylinder is attached so as to be operable by the control unit B.

  Also, a vertical elevating device 25 that causes ginseng foliage in front of the drawing and conveying device 24, a horizontal elevating device 26 that scoops up the foliage raised by the vertical elevating device 25, and the horizontal elevating device 26. With a cutting blade 27 provided at the front, a rotatable gauge wheel 31 that prevents the pulling / conveying device 24 from going down too much at the lower end of the telescopic rod 30 that expands and contracts when the handle 29 is turned, and the driving force of the engine Left and right vibration solitaries 34 and 34 are provided for solving the left and right soils of carrots attached to a vibration frame 33 that vibrates by rotation of the rotating shaft 32 by vibration. A harvesting unit C is configured by attaching a tail cutting device 35 for cutting the carrot root of the carrot being conveyed by the drawing and conveying device 24 below the drawing and conveying passage.

  As shown in FIGS. 5 and 6, the root vegetable harvester according to the first embodiment of the present invention includes a soil removal device 150 that removes soil around the crop on the lower side of the front portion of the pulling and conveying device 24. FIG. 5 is a right side view of the periphery of the front portion of the drawing / conveying device 24 provided with the earth and sand removing device 150, and FIG. is there. The earth and sand removing device 150 includes an earth and sand removing member composed of a disk-like earth and sand removing disk 154, and a rotary transmission means 151 that is a gear box and rotatably includes the earth and sand removing member. The rotation transmission means 151 is fixed to the lower side of the front portion of the drawing / conveying device 24 by a bolt, and is internally integrated with the rotating shaft of the driven pulley 16 of the drawing / conveying device 24 and receives rotational power from the drawing / conveying device 24. An input transmission body 152 that is a gear and an output transmission body 153 that is integrated with the rotary shaft of the sediment removal disk 154 and applies rotational power to the sediment removal disk 154 are configured.

  The output transmission body 153 and the input transmission body 152 are arranged along the crop conveyance locus, and the output transmission body 153 is arranged on the front side. Since the output transmission body 153 and the input transmission body 152 are gears, the output transmission body 153 rotates in the opposite direction to the input transmission body 152 when they mesh with each other. Lubrication of the output transmission body 153 and the input transmission body 152 is performed with grease.

  The point at which the sediment removal disk 154 of the sediment removal device 150 contacts the soil attached to the crop is the operating point T of the sediment removal device 150. The point of action T is theoretically the outer circumferential circle of the sediment removal disk 154 and is a point that intersects the perpendicular to the crop conveyance trajectory passing through the center point of the sediment removal disk 154 when viewed from the P direction. The conveyance start point S of the drawing / conveying device 24 is a point where the left and right nipping / conveying belts 18 of the drawing / conveying device 24 are closest to each other. The root vegetable harvester according to the first embodiment is configured such that the action point T of the earth and sand removing device 150 is positioned in front of the conveyance start point S of the drawing conveyance device 24. Here, “front side” refers to the front side as viewed in the direction of arrow P in FIG.

  The earth and sand removing devices 150 and 150 are provided in a pair of left and right below the pulling and conveying device 24, and the closest distance between the left and right earth and sand removing disks 154 and 154, that is, the outer periphery of the earth and sand removing disks 154 and 154, An interval portion U through which the crop extracted by the extraction conveying device 24 can pass is configured. Since the diameter of the earth and sand removal disk 154 is equal to or larger than the diameter of the output transmission body 153, the earth and sand removal disk 154 is set when the rotation speed of the earth and sand removal disk 154 is equal to or larger than the rotation speed of the driven pulley 16 constituting the pulling and conveying device 24. Is equal to or higher than the speed of the nipping / conveying belt 18 constituting the drawing / conveying device 24.

  The earth and sand removal disc 154 is made of hard rubber, for example, and has irregularities on the outer peripheral edge. In addition to the hard rubber, it may be configured using a synthetic resin having a hardness that does not deform at a low load and deforms at a high load.

  When the action point T of the sediment removal device 150 provided in the front part of the drawing and conveying device 24 is positioned in front of the conveyance starting point S of the drawing and conveying device 24, the earth and sand are conveyed together when the crop is extracted from the field. As a result, it is possible to prevent breakage of each working device caused by biting earth and sand.

  In addition, the soil around the crop in the field can be removed, and the transport start end S of the pulling and transporting device 24 can be brought closer to the field scene than before, so that the crop with a short foliage is pulled out. And the adaptability of working conditions is improved.

  In addition, it is not necessary to remove the earth and sand adhering to each part of the machine body, and the work time and labor can be reduced.

  Since the output transmission body 153 rotates in the direction opposite to that of the input transmission body 152, the direction of action of the earth and sand removing member can be made opposite to the conveyance direction of the extraction conveyance device 24. A force acts in a direction away from the transfer start point S of the transfer device 24, and the earth and sand can be prevented from being transferred by the drawing transfer device 24.

  Further, the earth and sand removing device 150 is provided on the lower side of the drawing and conveying device 24, and the output transmission body 153 constituting the rotational transmission means 151 of the earth and sand removing device 150 is positioned on the front side of the input transmission body 152, thereby drawing and conveying. The soil removal device 150 can remove the soil from the crop before the device 24 sandwiches the foliage of the crop.

  By arranging the pair of left and right earth removing devices 150, 150 with an interval portion U through which a crop drawn between the earth removing members constituting the earth removing devices 150, 150 can pass, the earth removing device 150 is provided. , 150 can be prevented from being damaged by contact with the crop, and the commercial value of the crop can be maintained.

  Further, since the rotation speed of the earth and sand removing member is equal to or higher than the rotation speed of the driven pulley 16 that constitutes the drawing and conveying apparatus 24, the outer peripheral speed of the earth and sand removing member is the speed of the nipping and conveying belt 18 that constitutes the drawing and conveying apparatus 24. As described above, after removing the soil around the crop, it can be held and pulled out by the pulling / conveying device 24, so that the soil is prevented from being transported together when the crop is pulled out from the field. Thereby, the breakage of each working device due to the biting of earth and sand is prevented, and the working efficiency is improved.

  By removing the soil around the crop, the transport start point S of the pulling and transporting device 24 can be brought closer to the field than before, so that the crop with a short foliage can be harvested without worrying about lifting the soil. And the adaptability of the working conditions is improved.

  Since the earth and sand removing member is a disk-like earth and sand removing disk 154, the mounting space in the front and rear and up and down directions of the machine body can be reduced, and the earth and sand removing apparatus 150 can be configured in a compact manner.

  Further, by forming irregularities on the outer peripheral edge of the earth and sand removal disc 154, the earth and sand can be guided in the rotation direction of the earth and sand removal disk 154 by the irregularities, and the earth and sand around the crop is conveyed by the drawing and conveying device 24. Can be prevented. Thereby, the breakage of each working device due to the biting of earth and sand is prevented, and the working efficiency is improved.

Next, the foliage cutting part D is demonstrated using FIGS. 1-4. FIG. 3 is a left side view of the tapping device of the root vegetable harvester according to the first embodiment of the present invention, and FIG. 4 is a plan view.
The foliage cutting unit D includes a pair of left and right alignment devices 54R and 54L for aligning the vertical position of the roots of the foliage, a pair of left and right foliage cutting devices 61 and 61 for cutting the foliage, and the discharged leaves after cutting. The leaf discharging device 65 and the tip leaf leaf conveying device 70 for conveying the leaf to the remaining leaf processing unit E. These mechanical elements constituting the foliage cutting part D are collectively referred to as a tapping device. The driving force from the HST (hydraulic continuously variable transmission) is transmitted to each mechanical element constituting the tapping device through the transmission shaft 36 and further from the transmission shaft 36 through transmission elements such as gears. In another embodiment, for example, a configuration without the tip leaf conveyance device 70 is also possible.

  First, the pair of left and right alignment devices 54R and 54L constituting the foliage cutting part D is configured as follows at the lower position on the rear side in the conveyance direction of the extraction conveyance device 24. That is, left and right transmission shafts 36 and 36 for transmitting driving force are attached to the transmission case 22, left and right transmission cases 37 and 37 are attached to the upper portions of the left and right transmission shafts 36 and 36, and the left and right transmission cases 37 and 37 are attached. The left and right first gear units 38, 38 configured by engaging a plurality of gears therein are attached toward the front side of the machine body. Further, left and right second gear units 39 and 39 are attached to the left and right transmission shafts 36 and 36 inside the transmission case 22 toward the rear side of the machine body, and left and right second gear units 39 and 39 are attached to the rear end portions of the left and right second gear units 39 and 39, respectively. The first output shafts 40 and 40 are attached to the upper side of the machine body.

  Left and right second output shafts 41 and 41 are pivotally attached to the front end portions of the left and right first gear units 38 and 38 toward the lower side of the fuselage, and left and right second output shafts 41 and 41 are aligned with left and right alignment drive sprockets 42, 42 is pivotally attached. Left and right alignment frames 43 and 43 having L-shape in side view are attached to the lower front portions of the left and right transmission cases 37 and 37, holes are formed in the alignment frames 43 and 43, and left and right alignment followers are driven in the holes. The left and right rotating shafts 46 and 46 with the sprockets 45 and 45 attached thereto are attached. Further, the left and right alignment tension sprockets 47, 47 are rotatable between the front and rear of the alignment driven sprockets 45, 45 and the alignment drive sprockets 42, 42, and at the inner side of the body relative to the alignment drive sprockets 42, 42. Install. Further, right and left alignment endless bodies 48 and 48, which are chains, are wound around the alignment tension sprockets 47 and 47, the alignment drive sprockets 42 and 42, and the alignment driven sprockets 45 and 45, respectively.

The alignment drive sprockets 42, 42 may have a smaller diameter than the alignment driven sprockets 45, 45 and the alignment tension sprockets 47, 47.
Then, left and right receiving plates 49, 49 are attached to the transmission cases 37, 37 so that their positions can be adjusted in the front-rear direction, and the alignment driven sprocket 45 is interposed between the receiving plates 49, 49 and the alignment frames 43, 43. , 45 are attached, and left and right tension springs 50, 50 are attached to absorb slack generated in the alignment endless bodies 48, 48. The tension pressure springs 50, 50 can change the tension pressure applied to the alignment driven sprockets 47, 47 by moving the receiving plates 49, 49 back and forth. By changing according to the average thickness, it is possible to cope with various work conditions.

  A plurality of constituent members constituting the aligned endless bodies 48, 48 are provided with a U-shaped covering member 51 that is a guide cover that covers the contact surfaces of the upper and lower portions of the aligned endless bodies 48, 48 and the foliage. Install.

  Secondly, the pair of left and right foliage cutting devices 61 and 61 constituting the foliage cutting part D are configured as follows. That is, the left and right cutting blade rotation shafts 56 and 56 are attached to the rear positions of the alignment devices 54L and 54R of the left and right first gear units 38 and 38, and the left and right bearings 57 and 57 are attached to the cutting blade rotation shafts 56 and 56, respectively. Attach the to rotate freely. Then, left and right support plates 59 and 59 are attached to the left and right bearings 57 and 57, and left and right foliage cutting blades 60 and 60 are attached to the support plates 59 and 59.

  Thirdly, the leaflet conveyance device 65 constituting the foliage cutting part D is configured as follows on the upper outer periphery of the left and right transmission cases 37, 37 and below the conveyance end side of the drawing conveyance device 24. That is, the left and right foliage transport driving pulleys 62 and 62 are attached to the left and right first output shafts 40 and 40, and the left and right foliage are positioned on the front side of the fuselage with respect to the left and right first gear units 38 and 38 and above the alignment devices 54L and 54R. The transport driven pulleys 63 and 63 are rotatably attached. Then, the left and right leaflet conveyance belts 64 and 64 are wound around the left and right foliage conveyance drive pulleys 62 and 62 and the left and right foliage conveyance driven pulleys 63 and 63 in an endless manner.

  Fourthly, the tip leaf transport device 70 constituting the foliage cutting part D has left and right tip leaf transport drive pulleys 66 and 66 pivotally attached to the upper ends of the left and right first output shafts 40 and 40, and the transmission cases 37 and 37. The left and right tip leaf conveyance driven pulleys 67 and 67 are rotatably attached to the upper side, and a plurality of left and right tip leaf conveyance rollers are disposed between the left and right tip leaf conveyance drive pulleys 66 and 66 and the left and right tip leaf conveyance driven pulleys 67 and 67. Install tension pulleys 68, 68. The left and right tip leaf transport belts 69 and 69 are wound endlessly around the left and right tip leaf transport drive pulleys 66 and 66, the left and right tip leaf transport driven pulleys 67 and 67, and the left and right tip leaf transport tension pulleys 68, 68. .

  The leaf transport device 65 sandwiches the portion of the cut foliage close to the root, and the tip leaf transport device 70 grips the upper part of the foliage and takes over the carrot foliage from the pulling transport device 24 and leaves the leaves behind the body. Transport. A foliage shooter 71 that discharges the foliage cut by the foliage cutting device 61 from the terminal ends of the foliage transfer device 65 and the tip leaf transfer device 70 to the field is provided to constitute the foliage cutting portion D.

  By providing left and right tension springs 50 and 50 for tensioning the alignment driven sprockets 45 and 45, slack in the left and right alignment endless bodies 48 and 48 when the foliage comes into contact with the alignment devices 54L and 54R. Since the alignment endless bodies 48 and 48 immediately return to the tensioned state, the alignment devices 54L and 54R ensure that the ginseng foliage can be surely passed even when the foliage portions having different diameters pass continuously. The cutting position of the carrot foliage is properly aligned and the foliage is cut appropriately, and there is no need to remove the foliage in a later process, improving the work efficiency.

Next, the remaining leaf processing unit E will be described.
As shown in FIGS. 1 and 2, front and rear remaining leaf processing frames 72 and 72 are provided below the foliage cutting device 61, and a first not shown between the left and right sides of the left and right sides of the body of the remaining leaf processing frames 72 and 72. A remaining leaf processing roller is rotatably mounted. Further, a second remaining leaf processing roller 73b is rotatably mounted between the left and right sides of the remaining leaf processing frames 72, 72 on the left and right sides of the machine body and below the first remaining leaf processing roller. Then, a remaining leaf processing belt 74 made of an elastic body such as rubber or urethane is wound around the first remaining leaf processing roller and the second remaining leaf processing roller 73b in an endless manner. Further, a remaining leaf processing roller 75 is attached to the upper portion of the remaining leaf processing belt 74 so that the remaining leaves remaining at the root of the carrot are sandwiched together with the remaining leaf processing belt 74 and rotated to be excised. The remaining leaf processing section E is configured by configuring the remaining leaf processing conveyor 76 that transports the remaining leaves from the outside of the machine body to the left and right inside directions while processing the remaining leaves.

  The remaining leaf processing conveyor 76 is inclined about 2 to 5 degrees from the left and right sides of the machine body to the other side. Thereby, since the carrot which fell is moved by the drive and inclination of the remaining leaf processing belt 74, the movement of the carrot does not stop on the remaining leaf processing conveyor 76, and it is not necessary to move the carrot stopped manually, Work efficiency is improved. Further, since the residual leaf processing conveyor 76 is slightly inclined (about 2 to 5 degrees), the residual leaf processing conveyor 76 is inclined with respect to the ground even if the aircraft is inclined to the left and right sides depending on the state of the field. Since the carrot remains in a substantially horizontal state, the carrot does not stagnate on the remaining leaf processing conveyor 76 or move in the direction opposite to the conveying direction of the remaining leaf processing conveyor 76, and such carrot is transported manually. There is no need to return to the route and work efficiency is improved.

Next, the sorting and conveying unit F will be described.
As shown in FIGS. 1 and 2, front and rear first transport frames (not shown) are arranged at a predetermined interval in the front-rear direction on the front side of the machine body and at a lower position than the remaining leaf processing conveyor 76. The front and rear second transport frames 78, 78 are arranged at a predetermined interval in the front-rear direction at the machine body inner end (machine body left and right other side end) of the transport frame and on the transport end part side so as to be rotatable up and down. The front and rear drive sprockets 79 and 79 are rotatably attached to the left and right side ends of the first transport frame, and the front and rear relay sprockets 80 and 80 are respectively mounted to the left and right side ends of the first transport frame. The front and rear driven sprockets 81 and 81 are rotatably attached to the left and right other ends of the second transport frames 78 and 78, respectively, while being rotatably attached to positions below the drive sprockets 79 and 79.

  Further, the front and rear transmission chains 82, 82 are wound around the drive sprockets 79, 79, the relay sprockets 80, 80 and the driven sprockets 81, 81, respectively, and the transmission chain 82, Tension sprockets (not shown) before and after tensioning 82 are rotatably attached to the first conveying frame and at positions where they contact the transmission chains 82 and 82.

  Further, a plurality of transport bars 84 made of synthetic resin such as plastic or rubber for transporting carrots on the transmission chains 82, 82 are rotatably attached.

  A support plate is attached between the left and right sides of the second transport frames 78 and 78, and an elevating cylinder for vertically moving the transport terminal end side of the sorting and transporting device 87 is attached between the support plate and the machine body frame 1 so as to extend and contract. Thus, a sorting and conveying device 87 that conveys carrots from the left and right sides of the machine body to the left and right sides is configured. Further, a discharge shooter 89 made of a soft member such as a rubber plate or a vinyl chloride plate that slides and moves the carrot discharged from the conveyance terminal portion of the sorting and conveying device 87 below the conveyance terminal portion of the sorting and conveying device 87. Attach so that the end hangs downward.

  Then, on the rear side of the machine body frame 1 on the left and right sides of the machine body and on the rear side of the machine body from the sorting and conveying conveyor 87, the auxiliary work for sorting the carrots being transported by the sorting and conveying conveyor 87 and the operation of the sorting and conveying conveyor 87. A boarding step 90 on which a person rides is arranged, and an auxiliary work seat 91 is attached on the boarding step 90 and at a position near the relay sprockets 80 and 80 of the sorting and conveying conveyor 87.

  Further, an ascending pedal 92a and a descending pedal 92b that move the lifting and lowering cylinder up and down to move the conveying terminal end side of the sorting and conveying conveyor 87 up and down are arranged below the conveying path of the sorting and conveying conveyor 87. And the sorting conveyance part F is comprised by arrange | positioning on the boarding step 90 and the position which the auxiliary worker who seated on the auxiliary | assistant work seat 91 can step on and operate.

Next, the structure of the accommodating part G is demonstrated.
As shown in FIGS. 1 and 2, a rotating shaft 93 is penetrated in the longitudinal direction of the machine body on the lower side (left and right other side) in the conveying direction of the second conveying frames 78 and 78 before and after the sorting and conveying conveyor 87. Attach and attach frictional resistors 94 and 94 to both the front and rear ends of the rotating shaft 93 and outside the second transport frames 78 and 78, respectively. The friction resistors 94, 94 may be any member as long as it has a strong frictional resistance, such as a disc spring, a spring washer, or a rubber ring.

  In addition, the base sides of the front and rear hanger arms 95 and 95 are provided at the front and rear ends of the rotating shaft 93 on the outer side in the front and rear direction with respect to the friction resistors 94 and 94, and the second transport frames 78 and 78 and the hanger arms 95 and 95 are provided. The hanger arms 95, 95 are configured to be movable upward or downward only when a moving force greater than the resistance force is applied upward or downward due to the frictional resistance of the frictional resistors 94, 94 sandwiched therebetween.

  A hanger frame 96 that protrudes in the front-rear direction from the front-rear end of the body of the sorting and conveying conveyor 87 is attached to the ends of the hanger arms 95, 95 in the front-rear direction. A pair of front and rear hanging hangers 98 and 98 for hanging and supporting a container (flexible container bag) 97 for hanging and supporting four points on the front, rear, left and right are attached so as to be rotatable in the left-right direction. Further, an upside-down inverted U-shaped (saddle-shaped) outer suspension body is welded to the outer end portions of the hanging hangers 98, 98, respectively, and the inner end portion of the body is directed to the inner side of the U-shaped portion facing downward. A suspension body is welded, and a suspension hook for suspending the container 97 is attached to the outer suspension body and the inner suspension body so as to be movable up and down.

  The hanging hangers 98, 98 have four corners of the housing container 97 at the front and rear outer suspension bodies and the front and rear inner suspensions so that the upper opening of the housing container 97 to be suspended is substantially rectangular in plan view. Suspend with a suspended body.

Next, the configuration of the placement discharge unit H will be described.
As shown in FIGS. 1 and 2, a folding rotary shaft 109 is provided at the rear side of the left and right sides of the machine frame 1 so as to penetrate the folding rotary shaft in the longitudinal direction of the machine body. A mounting frame 110 is attached to the rear end side so as to be rotatable in the left-right direction of the machine body with the folding rotation shaft as a rotation fulcrum. In addition, a rotation support joint is rotatably provided by penetrating the folding rotation shaft on the front side of the body from the mounting frame 110, and below the position where the rotation support joint penetrates the folding rotation shaft. A cavity is formed.

  A bearing having a diameter in close contact with the inner surface of the cavity is provided in the cavity of the pivot support joint so as to be inclined toward the body frame 1 side, and a discharge pivot shaft is provided on the bearing on the other side of the body (the body frame 1). It is attached in an upward inclined posture that is located upward as it is farther from the side. Further, the left and right mounting side walls that hold the left and right sides of the container 97 on the base side (one side of the machine body on the left and right sides) and the end part side (the other side of the machine body on the left and right sides) of the upwardly inclined discharge rotation shaft and prevent the container 97 from falling. 113 and 113 are provided so as to be rotatable in the vertical direction, respectively, and a rear portion of the container 97 that is suspended by the hanging hangers 98 and 98 is provided between the left and right sides of the rear end portions of the left and right mounting side walls 113 and 113. A holding rear wall 114 for holding is provided. The mounting rear wall 114 and the left and right mounting side walls 113 and 113 may be welded and connected, or a metal plate may be integrally formed to form a U-shaped mounting wall in plan view.

  Further, a flat plate-shaped receiving plate 115 that receives the bottom of the storage container 97 is provided between the left and right of the mounting side walls 113, 113 and on the front side of the mounting rear wall 114. Further, by providing a reinforcing bar for reinforcing the receiving plate 115 at the front and rear end portions of the receiving plate 115 and the bottom surface of the substantially central portion in the front and rear direction, the bottom portion of the container 97 for accommodating the carrot is supported and the discharge rotation is performed. A mounting bucket 117 is configured to rotate downward about the shaft as a pivot point and to slide the storage container 97 down to the field.

  If the left and right width of the receiving plate 115 is longer than the left and right width of the hanger arms 95, 95, even if the receiving container 97 is inflated by the carrot in which it is stored, it will fit within the left and right width of the receiving plate 115, Since the storage container 97 can be prevented from protruding from the mounting side walls 113, 113, the storage container 97 protruding from the receiving table 115 is prevented from coming into contact with the radiator cover 10 a or the like of the control unit B and is prevented from being damaged. In addition, the carrot falls from the damaged part and is damaged, and the commercial value is prevented from deteriorating.

  Further, the operation support plate 118 in a posture inclined upward toward the rear of the machine body is fixed to the left and right other ends of the installation frame 110 in the posture described above at a right angle with respect to the discharge rotation shaft. The lower end portion of the rotation plate 119 is pivotally attached to the left and right other end portions of the machine body so as to be rotatable in the longitudinal direction of the machine body with the discharge rotation shaft as a rotation fulcrum. A hole that is long in the front-rear direction is formed on the upper side of the rotating plate 119.

  Then, between the hole formed in the rotating plate 119 and the upper part of the operation support plate 118, a screw groove is cut on the surface of one bar, and a screw groove is cut on the inner surface of the other hollow bar. The mounting discharge unit H is provided by providing a screw rod 120 configured by combining the screw grooves of the rods of each other, and attaching an operation motor 121 that rotates and extends the screw rod 120 to the rear end portion of the screw rod 120. Is configured.

  When operating members such as switches and levers for operating the operating motor 121 are provided on the control panel 12, it is easy for the operator to operate according to the instructions of the auxiliary operator, and when provided on the operation support plate 118, the auxiliary operator is provided. However, it becomes easy to operate while lowering the storage container 97, and work efficiency is improved. Further, the screw rod 120 may be replaced with a telescopic member such as an electric cylinder or a hydraulic cylinder.

  The placement bucket 117 is arranged in an upwardly inclined posture in which the discharge turning shaft serving as a turning fulcrum of the placement bucket 117 is located upward on the left and right sides of the machine body, and the placement bucket 117 is rotated upward as much as possible. When the mounting bucket 117 is rotated downward, the front end of the mounting bucket 117 moves away from the body frame 1 to the left and right sides of the body. It is set as the structure to do.

  When the storage container 97 is lowered to the field toward the front side of the machine body and returned to the pulling and harvesting operation, the machine body is first moved backward to securely separate the storage container 97 from the mounting bucket 117, and then the machine body is advanced. When the placement bucket 117 located at the end of the left and right sides of the machine body is retracted to a position where it does not contact and moves forward, and there is no possibility of contacting the storage container 97, an operation to return to the carrot harvesting line is performed.

Another embodiment of the present invention will be described.
The root crop harvesting machine according to the second embodiment of the present invention is provided with a soil removal device 150 shown in FIG. FIG. 7 is a right side view of the periphery of the front portion of the drawing and conveying apparatus 24 including the earth and sand removing device 150. FIG. The difference from the earth and sand removing device 150 of the first embodiment is that the earth and sand removing member is an earth discharging member 155 in which one end portions of a plurality of string bodies are fixed to the lower part of the disk. When the earth removing member 155 rotates, the earth removing member 155 causes the other end portion of the string body to spread outward due to centrifugal force.

  Note that the soil removal member 155 can be provided below the sediment removal disk 154. In this case, the earth and sand can be removed twice.

The earth and sand removing member is a soil discharging member 155 in which one end portions of a plurality of string bodies are fixed to the lower part of the disk, and the other end portion of the string body is spread outward by centrifugal force by rotating the earth and sand removing member. Thus, it is possible to prevent the crop from being damaged by the soil removal member 155, so that the commercial value of the crop can be maintained.
If the earth removing member 155 is made of a flexible material such as vinyl chloride or rubber, the soil removing effect is not easily lowered even if the earth removing member 155 is slightly damaged in contact with the farm scene. The period until 155 becomes unusable becomes longer.

  The root crop harvesting machine according to the third embodiment of the present invention is provided with tapping device transmission means 160 for transmitting a driving force from the HST to the tapping device. The tapping device transmission means 160 is a gear transmission provided in place of the transmission shaft 36 or in series with the transmission shaft 36, and includes a transmission switching device that switches between normal rotation and reverse rotation of the tapping device. FIG. 8 is a perspective view of the inside of the tapping device transmission means 160 which is a gear transmission.

  The tapping device transmission means 160 includes an input rotator 162 that receives rotational power from the HST, a free rotator 163 that rotates in mesh with the input rotator 162, and an input rotator 162 or a free rotation. An output rotating body 164 that meshes with one of the bodies 163 and rotates.

  The input rotating body 162 fixes two gears up and down with respect to one vertical rotation axis. That is, the two gears rotate at the same rotational speed as the rotation shaft by the rotational power from the HST. The free rotating body 163 includes a rotating shaft having an axis parallel to the axis of the input rotating body 162, and a gear meshing with one of the gears constituting the input rotating body 162 is fixed to the rotating shaft, and both ends of the rotating shaft are fixed. It becomes a structure which can be rotated freely by receiving with a bearing. The output rotating body 164 includes a rotating shaft having an axis parallel to the axis of the input rotating body 162, and a male spline is processed on the rotating shaft. A gear fitted to the spline is provided so that the gear can move up and down along the spline, and the rotating shaft and the gear rotate as a unit. The output rotating body 164 is connected to the input side of the tapping device and transmits rotational power.

  The tapping device transmission means 160 includes a transmission switching device that switches the normal rotation and reverse rotation of the tapping device by engaging the output rotator 164 with the input rotator 162 or the free rotator 163. The transmission switching device includes a biasing member 165 that is a coil spring that biases the gear of the output rotating body 164 downward, and pushes up the gear of the output rotating body 164 against the biasing force of the coil spring. It comprises a letter-shaped push-up member 165 and a switching operation lever 167 that is connected to the end of the push-up member 166 and operates the push-up member 166. When the "<"-shaped push-up member 165 is provided with a pivot axis at the bending point and pivots about the pivot axis, one end of the push-up member 165 moves the gear upward through the intermediate member. Move. The intermediate member also has a “<” shape and has a pivot axis at the bending point. The other end of the push-up member is connected to the switching operation lever 167 by a wire. Since this switching operation lever 167 is provided on the side of the control seat 11, the operator operates the switching operation lever 167 while sitting on the control seat 11. Then, the gear of the output rotator 164 is moved up and down, and this gear meshes with the gear constituting the input rotator 162 or the gear constituting the free rotator 163. When meshed with the gears constituting the input rotating body 162, the tapping device performs normal rotation and performs a normal pulling operation. When meshed with the gears constituting the free rotating body 163, the tapping device rotates in the reverse direction and operates in the direction opposite to that during pulling.

  In the present embodiment, all the mechanical elements constituting the tapping device are configured to be reversed. However, the driving force from the HST may be branched to configure only the leaf transport device 65 to be reversed. no problem.

  The tapping device transmission means 160 for transmitting the driving force to the tapping device is provided with a transmission switching device for switching between normal rotation and reverse rotation of the tapping device, so that the tapping device can be used even when foliage or earth and sand are clogged. By making it run in reverse, the foliage and soil can be easily discharged.

  As described above, since the foliage part and earth and sand can be easily discharged, it is not necessary to disassemble the tapping device in order to remove the clogged foliage part and the like, and the work efficiency is improved.

  The transmission switching device meshes the output rotator 164 with the input rotator 162 or the free rotator 163 to switch between the normal rotation and the reverse rotation of the tapping device, thereby removing the foliage and earth and sand by the reverse rotation operation. Work efficiency is improved.

  The transmission switching device includes an urging member 165 that urges the output rotator 164 downward, a push-up member 166 that pushes up the output rotator 164 against the urging force of the urging member 165, and operates the push-up member 166. Since the switching operation lever 167 is operated, the switching operation lever 167 is operated to operate the push-up member 166, and the push-up member 166 pushes up the output rotating body 164 against the urging force of the urging member 165 and performs tapping. Since the device is rotated in the reverse direction, the operator can operate the transmission switching device at a position away from the tapping device, so that workability is good and work efficiency is improved.

  Further, since the output rotator 164 is urged downward by the urging member 165, when the operation of the switching operation lever 167 is stopped, the output rotator 164 returns to the original position and the tapping device operates in the normal direction. Therefore, it is possible to prevent the harvesting operation from being performed while the output rotator 164 is in the reverse rotation position.

  As another embodiment, a handle for rotating the output rotator 164 may be provided above the output rotator 164. In this case, the output rotator 164 is moved to a position where it does not mesh with either the input rotator 162 or the free rotator 163 by the transmission switching device, and the operator turns the handle from the control seat 11 to reverse the output rotator 164. .

  The root vegetable harvester according to the fourth embodiment of the present invention is provided with a wind-up device 172 shown in FIGS. FIG. 9 is a plan view of the remaining leaf processing unit E, and FIG. 10 is a rear view of the remaining leaf processing unit when viewed from the P direction in FIG. In the remaining leaf processing section E, as described above, the remaining leaf processing conveyor 76 and the remaining leaf processing roller 75 for removing the stem and leaf portions remaining in the crop being conveyed by the remaining leaf processing conveyor 76, Prepare.

  The remaining leaf processing section E is provided with a remaining leaf processing transmission case 170, and the driving force is branched in the remaining leaf processing transmission case 170, and the remaining leaf processing roller 75 is driven by the branched driving force. The wind generator 172 provided above the remaining leaf processing conveyor 76 is driven by the driving force. The wind raising device 172 removes dust on the remaining leaf processing conveyor 76. The driving force to the wind generator 172 is transmitted from the remaining leaf processing transmission case 170 by a blower transmission case 171 having a bevel gear pair. Further, the wind generator 171 rotates while swinging left and right using a swing mechanism configured by a link mechanism as shown in FIG. 11, for example.

  By providing the wind-up device 172 that removes the earth and sand and the foliage on the remaining leaf processing conveyor 76 with the conveying air, it is possible to prevent the earth and sand and the foliage from scattering to the operator.

  Further, the driving device 172 is operated by receiving the driving force from the same driving source as the driving force of the remaining leaf processing roller 75, so that the driving force can be obtained from the existing device and the number of parts can be reduced. Can do.

  FIG. 12 shows a front view of an air / sand removal device 180 of a root crop harvester according to the fifth embodiment. The air earth and sand removing device 180 is disposed below the pulling and conveying device 24 and behind the vibration soiler 34, and is fixed to the front portion of the machine frame 1. The air sediment removal device 180 closes both ends of the steel pipe and then bends the steel pipe into a “U” shape to form a communication pipe 182. The communication pipe 182 is straight so that it can be fixed to the digging frames 181 and 181. An interval between the parts is provided. Five nozzles 183 are provided on the inner peripheral side at the time of “U”, and the soil adhering to the extracted crop is blown away by the compressed air from the nozzles 183. Compressed air is supplied from an inlet 184 provided at one end of the communication pipe 182. The compressed air supplied to the air removing device 180 is supplied from an air compressor (not shown) provided at the rear part of the machine body frame 1. By providing the air compressor in the rear part, the balance is improved. The power to the air compressor is transmitted through the left and right horizontal shaft 21.

  Moreover, the air / sand removal device 180 may be supplied with pressure water. In this case, the portion where the air compressor is arranged becomes a water tank. The water tank has a shape protruding downward from the body frame 1. The power of the pump attached to the water tank is supplied from the engine.

  FIG. 13 is a perspective view of the hanging hook 99 of the storage container 97 of the root vegetable harvester according to the sixth embodiment. The hanging hook 99 is a ring having a substantially square shape as a whole, and is composed of left and right vertical bars and upper and lower horizontal bars in FIG. Further, the hanging hook 99 includes a hook body 190 and a rotating part 191 having the one vertical bar of the hook body 190 as a rotation center. An upper and lower sliding member 194 is provided between the hook body 190 and the rotating part 191 to make the operation of the rotating part 191 smooth. Further, a magnet 192 is provided at the end of the vertical bar of the hook body 191 located on the right side of FIG. 13 and the end of the vertical bar of the rotating part 191 located on the right side so as to attract each other. With this configuration, the rotating part 191 automatically forms a ring with respect to the hook body 190.

18 Nipping and Conveying Belt 24 Pulling and Conveying Device 48 Alignment Endless Body 75 Residual Leaf Processing Roller 76 Residual Leaf Processing Conveyor 150 Sediment Removal Device 151 Rotation Transmission Means 152 Input Transmission 153 Output Transmission 154 Sediment Removal Disc 155 Soil Removal Member 160 Tapping Device Transmission means 162 Input rotator 163 Free rotator 164 Output rotator 165 Biasing member 166 Push-up member 167 Switching operation lever 172 Winding device E Residual leaf processing section S Transfer start point T Action point U Spacing section

Claims (9)

A pulling and conveying device (24) for pulling out crops from the field;
A tapping device that takes over the crop from the pulling and conveying device (24), cuts and discharges the foliage, and
In a root crop harvesting machine comprising a residual leaf processing unit (E) that takes over the crop from this tapping device and conveys the residual leaf while processing it,
Sediment removal device (150) for removing soil around crops at the front of the drawing and conveying device (24),
The root vegetable harvester characterized in that the point of action (T) of the earth and sand removing device (150) is located in front of the conveyance start point (S) of the drawing and conveying device (24). The earth and sand removing device (150) comprises a earth and sand removing member that removes the earth and sand around the crop, and a rotary transmission means (151) that rotatably includes the earth and sand removing member,
The earth and sand removing device (150) is provided below the drawing and conveying device (24),
Further, the rotation transmission means (151) includes: an input transmission body (152) that receives rotational power from the pulling and conveying device (24); and an output transmission body (153) that applies rotational power to the earth and sand removing member. Configure
The output transmission body (153) is positioned in front of the input transmission body (152), and
The root vegetable harvester according to claim 1, wherein the output transmission body (153) is configured to rotate in a direction opposite to the input transmission body (152). A pair of left and right soil removal devices (150, 150) can pass through the pair of left and right soil removal devices (150, 150) below the pulling and conveying device (24). Provided with a space (U),
The root vegetable harvester according to claim 2, wherein the number of rotations of the earth and sand removing member is equal to or higher than the number of rotations of a driven pulley (16) constituting the drawing and conveying device (24). The earth and sand removing member is a disk-like earth and sand removing disk (154),
The root crop harvesting machine according to claim 2 or 3, wherein irregularities are formed on the outer peripheral edge of the earth and sand removing disk (154). The earth and sand removing member is a soil discharging member (155) in which one end portions of a plurality of string bodies are fixed to a lower portion of a disk,
The root vegetable harvester according to claim 2 or 3, wherein the other end of the string body is spread outward by centrifugal force by rotating the earth and sand removing member. Tapping device transmission means (160) for transmitting a driving force to the tapping device is provided,
The root vegetable harvester according to claim 1, wherein the tapping device transmission means (160) is provided with a transmission switching device for switching between normal rotation and reverse rotation of the tapping device. The tapping device transmission means (160) includes an input rotating body (162) that receives rotational power, a rotatable free rotating body (163) that meshes with and rotates with the input rotating body (162), and the input rotating body. (162) or an output rotating body (164) rotating in mesh with either one of the free rotating body (163),
The transmission switching device switches between normal rotation and reverse rotation of the tapping device by meshing the output rotating body (164) with the input rotating body (162) or the free rotating body (163). The root vegetable harvester according to claim 6. The transmission switching device,
A biasing member (165) for biasing the output rotating body (164) downward;
A push-up member (166) that pushes up the output rotating body (164) against the biasing force of the biasing member (165);
The root vegetable harvesting machine according to claim 7, comprising a switching operation lever (167) for operating the push-up member (166). The residual leaf processing conveyor (76) and the residual leaf processing roller (75) that removes the stem and leaf portions remaining on the crop being conveyed by the residual leaf processing conveyor (76) constitute the residual leaf processing portion (E). ,
While providing a remaining leaf processing transmission case (170) for supplying driving force to the remaining leaf processing roller (75),
It is provided with a wind-up device (172) that receives the driving force branched in the remaining leaf processing transmission case (170) and removes the earth and sand and the foliage on the remaining leaf processing conveyor (76) with a conveying wind. The root vegetable harvester according to claim 1.

Images