JP5753705B2 - Root crop harvesting machine - Google Patents

Description

  The present invention relates to a root crop harvesting machine that harvests root vegetables such as carrots and radishes, and particularly relates to a technique of a bag hanging tool that is attached to a lifting conveyor and suspends a storage bag.

  Conventionally, a self-propelled root vegetable harvesting machine that harvests root vegetables such as carrots and radishes has been known. The root vegetable harvester has a driver's seat on one side of the left and right sides of the traveling device, a pulling / conveying device arranged in parallel with the traveling direction on the left and right other sides, and a root vegetable after cutting the leaf portion below the pulling / conveying device. The remaining leaf processing section remaining in the rear is disposed in the front-rear direction, and a lifting conveyor for transporting from the rear portion of the remaining leaf processing section to the left and right sides is disposed. The lifting conveyor is configured such that the end side can be moved up and down, and a bag lifting tool for hanging the storage bag is provided at the end.

JP 2007-236334 A Japanese Patent No. 4301319 Registered Utility Model No. 3008671

  However, the bag hanger described in Patent Documents 1 to 3 has a configuration in which one end of the suspension arm is fixed to the conveyor frame of the conveyor, and the suspension arm is inferior in strength to the conveyor frame. In such a configuration, when there is a full storage bag below the suspension arm or when the harvest platform is folded to the storage position, if the lift conveyor is accidentally rotated downward, the suspension arm May be deformed or damaged in contact with a full storage bag or a harvesting platform.

  The present invention has been made in view of the above situation, and provides a root vegetable harvesting machine that prevents a suspension arm from deforming even when it comes into contact with other obstacles when the lifting conveyor is lowered.

  The problem to be solved by the present invention is as described above. Next, means for solving the problem will be described.

In claim 1, the vehicle body, and vent up transfer device for conveying pull the field of vegetables, after transport by the vent raising transfer device conveys the harvested material was cut foliage obliquely upward, the upper and lower termination conveyor frame constituting the sorting conveyor part provided rotatably in root vegetable harvester with a suspension arm for suspending the packaging bag at the end of the sorting conveyor, one end of the suspension arm, the sorting conveyor Is attached to the other end of the suspension arm with hook hooks for hooking the latches of the storage bag via a support bracket, on both left and right sides of the support bracket, The left and right support pins are supported in the front-rear direction, and the left and right support pins rotatably support one end of the left and right hook rods divided into the left and right in the support bracket portion. , One end of the left and right hook rods is supported so as to be vertically rotatable, a support hole for inserting the support pin is opened, and a hook portion for hooking the latch of the storage bag is formed on the other side It is a thing.

According to a second aspect of the present invention, in the root vegetable harvesting machine according to the first aspect, the support bracket includes an operation tool that abuts against one end of the left and right hook rods and maintains the level of the left and right hook rods. A stopper for restricting the rotation is provided .

According to Claim 3, in the root vegetable harvesting machine according to Claim 2, the operation tool is provided at the center of the left and right of the support bracket, and protrudes in the front-rear direction at a position above the support pin in the vertical direction. One end of each of the left and right hook rods extends to the opposite side of the left and right center of the support bracket, and the upper surface of one end of each of the left and right hook rods is in contact with the lower side of the operation tool. When the operation tool is removed from one end of the left and right hook rods, the other end of the left and right hook rods is rotated downward by its own weight, and the right and left hook rods are rotated. The upper part of one end of the heel contacts with a stopper provided on the support bracket and restricts further downward rotation .

As effects of the present invention, the following effects can be obtained.
In the present invention, the vehicle body, and vent up transfer device for conveying pull the field of vegetables, after transport by the vent raising transfer device conveys the harvested material was cut foliage obliquely upward, the end vertical times a sorting conveyor portion rotatably in provided, at the end of the sorting conveyor, the root crop harvester comprising a suspension arm for suspending a storage bag, one end of the suspension arm, the conveyor frame forming the sorting conveyor On the other hand, since it is supported so as to be able to turn up and down, when the sorting conveyor part is turned downward, even if the hanging arm hits another object, it can turn upward and escape, and the hanging arm is damaged. There is nothing. In addition, the suspension arm can be rotated and stored from the upper side toward the inside of the machine body, and the suspension arm does not protrude to the side of the machine body so that it does not get in the way when traveling on the road.

Further, the other end of the suspension arm, fitted with a hook rod for hooking the hooking device of the storage bag through the support bracket, supported on left and right sides of the support bracket, the left and right support pins in the longitudinal direction The left and right support pins rotatably support one end of left and right hook rods divided into left and right in the support bracket portion, and one end of the left and right hook rods is supported to be vertically rotatable, Since the support hole for inserting the support pin is opened and the hook part for hooking the latch of the storage bag is formed on the other side , the storage bag is filled with root vegetables, and the storage bag is inserted from the hook part. When removing, the hook can be easily removed by rotating downward.

In addition, the support bracket is provided with an operation tool that abuts against one end of the left and right hook rods to maintain the horizontal, and a stopper that restricts the downward rotation of the left and right hook rods. The left and right center of the support bracket, projecting in the front-rear direction at the position of the upper part of the support pin in the vertical direction, one end of the left and right hook rods extend longer to the opposite side than the left and right center of the support bracket, The upper surface of one end of the left and right hook rods is in contact with the lower side of the operation tool, and the upward rotation of the left and right hook rods is restricted and maintained in a substantially horizontal direction. When the operating tool is removed from the left and right hooks, the other ends of the left and right hook rods rotate downward due to their own weights, and the upper ends of the one ends of the left and right hook rods come into contact with a stopper provided on the support bracket. since restricting the downward rotation of the operation member pivoting of hook rod Both can be more easily manipulated, you can restrict the rotation of the downwardly stopper.
That is, when the root bag is full in the storage bag 59, the hook 59a of the storage bag 59 hooked on the hook portion 53a is in a tension state and is difficult to remove. When the contact between the one end of 53 and 53 and the operation tool 57 is released, the hook portions 53a and 53a are rotated downward so that the latching tools 59a and 59a can be easily removed.
That is, since it bends at the center side of the left and right hook rods 53, 53, the interval between the hook portions 53a, 53a is narrowed and loosened, and the hooks 59a, 59a can be easily removed without removing the hook rods 53, 53 themselves. It can be done.
At this time, the downward rotation of the hook hooks 53 and 53 is stopped by the stopper and does not go down to the vertical position, and does not hit the root vegetables in the storage bag 59 and be damaged. Further, when the replacement of the storage bag 59 is completed, one end of the operation tool 57 is only in contact with the hook hooks 53 and 53, so that the operation can be performed at the original position only by lifting the hook hooks 53 and 53 upward by hand. One end side of the tool 57 is pushed in and the hook rods 53 and 53 are hooked, so that the original horizontal position can be maintained.

The whole side view of the root vegetable harvesting machine of this invention. FIG. Similarly front view. Rear view of lifting conveyor and harvest platform. (A) is a rear view of the bag suspension, and (b) is a rear view of the bag suspension with the hook rod lowered. (A) is AA sectional drawing in Fig.5 (a), (b) is BB sectional drawing in FIG.5 (b).

  In FIG. 1 to FIG. 3, the overall configuration of the root vegetable harvesting machine when the root vegetable is carrot will be described. Note that the F direction is defined as the front, the R direction is defined as the right side, and the L direction is defined as the left side. The self-propelled root vegetable harvesting machine is provided with a machine body frame 1 on a traveling device 2 having left and right crawlers to form a traveling vehicle body. On the machine frame 1, an extraction work unit 3, a remaining leaf processing unit 8, and a sorting conveyor unit. 4, the harvest platform 5 and the operation unit 6 are installed.

  A driving operation unit 6 is disposed on the right front portion of the body frame 1, and a pulling-out working unit 3 is disposed in the front-rear direction on the body frame 1 on the left side of the driving operation unit 6. A remaining leaf processing unit 8 is arranged in the front-rear direction below the extraction work unit 3, and the left side of the sorting conveyor unit 4 is arranged in front of the remaining leaf processing unit 8. The driving operation unit 6 is provided with a driver seat 18 on which an operator sits, a steering lever 19 for steering operation, a work operation lever, and the like.

  A sorting conveyor unit 4 is disposed in the left-right direction at the rear of the operation operation unit 6, and the sorting conveyor unit 4 extends from the lower part of the front and rear halfway of the pull-up operation unit 3 to the right side of the machine body. The sorting conveyor unit 4 is configured to be rotatable up and down around the left side. A harvest platform 5 is disposed below the right side of the sorting conveyor unit 4 and is disposed so as to protrude sideways from the right side of the machine body frame 1 so as to be rotatable up and down. On the machine body frame 1 behind the sorting conveyor unit 4, there is provided an auxiliary worker seat 7 on which an assistant performing the sorting operation sits. That is, the sorting conveyor unit 4 is arranged between the driving operation unit 6 and the auxiliary worker seat 7.

  The extraction work unit 3 includes a subsoiler 9, a foliage sorting device 10, a pulling and transferring device 11, a shoulder aligning device 12, a foliage cutting device 13, a leaf discharging device 14, and the like, and is attached to a conveyance frame 16. ing. The extraction work unit 3 is configured to rotate up and down with a rotation fulcrum 15 provided in the left-right direction on the rear part of the body frame 1 as a fulcrum. In other words, the transport frame 16 is configured in a frame shape, and the lower rear portion is pivotally supported by the pivot fulcrum 15 supported horizontally on the bracket 1a fixed on the rear portion of the machine body frame 1, and the pivot fulcrum. It is configured to be rotatable up and down around the portion 15. In addition, a hydraulic cylinder 17 is interposed between the body frame 1 and the conveyance frame 16 in front of the rotation fulcrum portion 15 so that the extraction working unit 3 can be moved up and down.

  The foliage trimming device 10 is disposed on the right side of the front portion of the pulling and transferring device 11 and protrudes horizontally and horizontally. The foliage scraping mechanism 20 having a horizontal turning tine, and the front of the foliage scraping mechanism 20 is forward. And a leaflet mechanism 22 provided on the left side of the front portion of the pull-out transfer device 11 and provided with a vertical turning tine. The stem-and-leaf sorting apparatus 10 lifts the leaf stems that have spread to the already harvested side by the guide body 21 and separates the harvested root vegetable leaf stems from the unharvested root vegetable leaf stems by the leaf separation mechanism 22. The roots and stems to be harvested are picked up by the stem-and-leaf scraping mechanism 20 and scraped into the starting end portion of the sandwiching and transporting path 11a of the transporting device 11.

  The subsoiler 9 includes a blade body 9a and a swing arm 9b, and swings the blade bodies 9a and 9a formed in an L shape in a pair of left and right sides up and down, so that the soil on both sides of the root vegetable in the field To soften. The rear portion of the blade 9a of the subsoiler 9 is fixed to the swing arm 9b, the front portion of the swing arm 9b is pivotally supported on the front side of the transport frame 16 of the transfer device 11, and the rear portion of the swing arm 9b is eccentric. It is connected to the shaft. In this way, by inserting the tips of the left and right blade bodies 9a, 9a into the soil on both sides of the root vegetable strip and rotating the eccentric shaft during the operation, the blade bodies 9a, 9a are vibrated so that the surrounding soil of the root vegetable is removed. It is soft and can be easily pulled out by the pulling and transferring device 11.

  The pull-out transfer device 11 is provided at the front oblique portion of the transport frame 16 at the front, lower, and rear heights, picks up the root vegetables while sandwiching the roots and leaves of the root vegetables and transports them back and transports them backward. . The pull-out transfer device 11 includes a pair of left and right drive pulleys 24, 24 disposed on the rear side of the front oblique portion of the conveyance frame 16, and a pair of driven pulleys 25 disposed on the front side of the front oblique portion of the conveyance frame 16. 25, a guide pulley rotatably supported at an appropriate interval between the drive pulleys 24, 24 and the driven pulley 25, and an endless body wound around the drive pulleys 24, 24, the driven pulley 25 and the guide pulley. Conveying belts 27 and 27, etc., are provided.

  The clamping transport path 11a is formed between the opposing surfaces of the left and right transport belts 27, 27. The clamping transport path 11a is parallel to the traveling direction of the vehicle body in plan view outside the outer edge of the left crawler. It is located to become.

  The shoulder aligning device 12 is disposed below the rear portion of the pulling and transferring device 11, and aligns the boundary portion between the root and leaf portion of the root vegetable and the main root, so-called a shoulder portion. The shoulder aligner 12 is arranged in a direction in which the left and right guide rods are spaced from each other in the thickness on the root side of the foliage, and the rear side is gradually pulled down from the lower surface of the transfer device 11. By comprising in this way, the upper part of the main root is pushed down by the guide rod, and the shoulder part is aligned.

  The foliage cutting device 13 cuts the root portion of the root and leaf portion of the root vegetable, and a disc-shaped cutting blade is provided on the lower surface of the rear portion of the conveying portion that holds and conveys the foliage portion from the rear end of the shoulder aligning device 12. And the roots of the foliage with the shoulders aligned by the rotation of the cutting blade at the rear part of the conveying part are cut.

  The leaf discharging device 14 discharges the stems and leaves of the cut root vegetables to the rear of the steering body. The leaf discharging device 14 includes left and right nipping and transporting endless belts 30 and 30 and a discharge guide plate 31. The nipping and transporting endless belts 30 and 30 are arranged in the front-rear horizontal direction from the rear end of the pulling and transporting device 11 to the rear end of the steering vehicle body above the foliage cutting device 13. The discharge guide plate 31 extends obliquely downward to the right from the rear lower part of the nipping and transporting endless belts 30 and 30. However, the discharge guide plate 31 is configured so that the angle can be adjusted and the discharge position can be changed. Thus, the cut foliage portion is clamped by the rotation of the nipping and transporting endless belts 30 and 30 and conveyed rearward, and the foliage is removed from the rear portion of the nipping and transporting endless belts 30 and 30 by the discharge guide plate 31 on the unharvested side of the rear part of the vehicle body It is dropped on the farm field away from

  The remaining leaf processing unit 8 removes the foliage that could not be cut by the foliage cutting device 13. In other words, if the outer leaves of the root vegetables stems wither or wither, they will hang down along the ground and cannot be pulled up by the foliage trimming apparatus 10. The outer leaves are transported without being sandwiched between the transport belts 27 and 27 and may not be cut by the foliage cutting device 13. In order to remove the withered or wilted leaves and leaves, the remaining leaf processing unit 8 is extended from the lower side of the foliage cutting device 13 to the front.

  The remaining leaf processing unit 8 includes a flat belt 35 and an oblique roller 36, and is supported by the body frame 1. The rear portion of the flat belt 35 is located below the foliage cutting device 13, and the front end of the flat belt 35 is located at the rear portion of the driving operation unit 6, and is disposed at substantially the same position as the front end of the sorting conveyor unit 4. It arrange | positions on the front part of the flat belt 35, and it arrange | positions so that it may become longer than the left-right width of the flat belt 35 so that the right side of the diagonal roller 36 may become front and the left side may become back. It arrange | positions so that the left end of the selection conveyor part 4 may be located under the right end of the diagonal roller 36. FIG.

  The flat belt 35 is rotated such that the upper surface of the flat belt 35 moves forward, and the oblique roller 36 rotates in the opposite direction when viewed from the side. Thus, the main root cut by the foliage cutting device 13 is dropped onto the rear portion of the flat belt 35, and when it is conveyed forward by the flat belt 35, it hits the oblique roller 36 and is conveyed diagonally to the right while rolling. At this time, the foliage is sandwiched between the oblique roller 36 and the flat belt 35 and is torn off. In this way, the removed remaining leaves are discharged from the front end of the flat belt 35 so as to drop onto the field, and the main root is guided by the oblique roller 36 and dropped to the left side of the sorting conveyor unit 4.

  The sorting conveyor unit 4 includes a lifting conveyor 40 and a bag lifting device 50. The left side of the lifting conveyor 40 is disposed at the end side of the remaining leaf processing unit 8, that is, below the front right side of the remaining leaf processing unit 8, and the right side is configured to be movable up and down with the left side as a rotation fulcrum. A bag lifting tool 50 is provided on the right side of the conveyor frame 41 constituting the lifting conveyor 40 so that a storage bag (flexible bag) 59 can be suspended.

  The lifting conveyor 40 is disposed in the left-right direction behind the operation unit 6, and, as shown in FIG. 4, a drive shaft 42 is installed on the left side between the front and rear conveyor frames 41 and 41, and the drive shaft Drive sprockets 43 and 43 are fixed on 42. A driven shaft 44 is installed on the right side between the front and rear conveyor frames 41 and 41, and driven sprockets 45 and 45 are fixed on the driven shaft 44.

  Chains 46 and 46 are wound between the drive sprockets 43 and 43 and the driven sprockets 45 and 45, and conveying rollers 47, 47... And slats 48, 48. It is erected at a predetermined interval. That is, the lifting conveyor 40 is constituted by a slat conveyor, and is configured to carry root vegetables on the conveying rollers 47, 47... Between the slats 48 and convey them.

  In this way, the root vegetables are inherited from the remaining leaf processing unit 8, conveyed to the upper right by the lifting conveyor 40, and stored in the storage bag 59.

  In addition, a drive shaft 42 serving as a pivotal fulcrum shaft is provided in the front-rear direction at the start end of the lifting conveyor 40 at the lower right of the remaining leaf processing unit 8. With this drive shaft 42 as a fulcrum, it is arranged so that the downstream side (right side) of the lifting conveyor 40 can be raised and lowered in the vertical direction. That is, the sorting conveyor unit 4 is rotatable up and down around the drive shaft 42.

  As described above, it is provided in the front-rear direction on the left side of the traveling vehicle body, pulls out root vegetables and conveys them rearward and upward, and is arranged below and behind the pull-up transfer apparatus 11 to dispose the roots and leaves of the root vegetables. A foliage cutting device 13 for cutting, a remaining leaf processing unit 8 disposed below the foliage cutting device 13 to remove residual leaves remaining on the main root after cutting, and a main root after residual leaf processing are conveyed to the right and conveyed. In the root vegetable harvesting machine including the sorting conveyor unit 4 that performs sorting in the middle, the remaining leaf processing unit 8 is disposed in the front-rear direction below the pulling and transferring device 11 and processes the remaining leaves while being conveyed forward. The starting end of the sorting conveyor unit 4 is arranged below the front side of the remaining leaf processing unit 8.

  With the above configuration, the remaining leaf processing unit 8 transports the root vegetables forward, so that the longitudinal length of the traveling vehicle body can be shortened. In addition, since the sorting conveyor unit 4 is positioned at the front and rear center of the traveling vehicle body, the front and rear weight balance of the traveling vehicle body is improved. Moreover, the conveyance length of the remaining leaf processing part 8 can be lengthened, the direction of the main root can be easily aligned, and the remaining leaf processing can be performed efficiently. Furthermore, since the remaining leaf processing unit 8 transports the root vegetables forward, the remaining direction is opposite to the advancing direction, and the transport speed of the root vegetables is relatively slowed, and the impact during transport is reduced. Further, the slanting roller 36 of the remaining leaf processing unit 8 is disposed at the front and rear center of the steering vehicle body, so that it is difficult for human hands to reach and it is possible to prevent the hand from being caught between the flat belt 35 and the slanting roller 36. Safety is improved.

  Between the lower surface of the middle part of the lifting conveyor 40 and the body frame 1, a lifting conveyor lifting cylinder 37, which is an example of an actuator, is interposed. The tip of the piston rod on one side of the elevating cylinder 37 is rotatably attached to a support stay 38 fixed on the lower surface between the conveyor frames 41 and 41. Further, the base portion on the other side of the elevating cylinder 37 is pivotally attached to the body frame 1. The lifting conveyor 40 is configured to move up and down by extending and contracting the lifting cylinder 37. A lifting switch 49 serving as an operating tool for lifting and lowering the lifting cylinder 37 is disposed at the rear upper part of the lifting conveyor 40 and the rear part of the driving operation unit 6.

  The lifting and lowering operation of the lifting conveyor 40 is carried out by lowering it to the lowest position at the start of harvesting work, lowering the height falling from the end of the lifting conveyor 40 so that the root vegetables are not damaged by the impact of dropping, and stored. In accordance with the height accumulated in the bag 59, the lifting switch 49 is operated to raise the lifting conveyor 40.

  The bag hanger 50 is for hooking and hanging a hook 59a provided on the upper portion of the storage bag 59. As shown in FIGS. 4, 5, and 6, the bag suspension 50 includes a suspension arm 51, a support bracket 52, hook hooks 53 and 53, and the like, and is disposed at the end of the sorting conveyor unit 4. The bag suspenders 50 are disposed on both front and rear sides on the right side of the sorting conveyor unit 4 so as to suspend the four upper corners of the storage bag 59.

  As shown in FIG. 2, the suspension arm 51 is formed in a substantially L shape in plan view so that the distal end side matches the width of the storage bag 59. One end of the suspension arm 51 is supported on the right side of the conveyor 40 so as to be pivotable up and down, and a hook rod 53 is supported on the other end of the suspension arm 51 via a support bracket 52.

  Specifically, the left side, which is one end of the suspension arm 51, is supported by a driven shaft 44 that also serves as a support shaft provided in the front-rear direction on the right side of the conveyor frame 41 so as to be rotatable up and down. Thus, the number of parts of the support shaft is reduced. A stopper pin 54 protrudes from the conveyor frame 41 on the left side of the driven shaft 44, and is arranged so that the upper left portion of the suspension arm 51 contacts. In this way, the suspension arm 51 is held at a position projecting obliquely upward to the right so as to be substantially parallel to the conveyor frame 41. Further, when not working, the suspension arm 51 rotates leftward about the driven shaft 44 so that the lower surface abuts against the stopper pin 54. In this way, the bag suspension 50 can be held in the storage position moved in the direction of the machine body.

  In this way, one end of the suspension arm 51 is supported so as to be pivotable up and down with respect to the conveyor frame 41 constituting the sorting conveyor unit 4, so that the suspension arm 51 is suspended when the sorting conveyor unit 4 is rotated downward. Even if the lowering arm 51 hits another object, it can be rotated upward to escape, and the bag suspension 50 or the object to be abutted is not damaged. In addition, the suspension arm 51 can be rotated and stored from the upper side toward the inside of the body, and the bag suspension 50 does not protrude to the side of the body so that it does not get in the way when traveling on the road.

  A support bracket 52 is rotatably supported via a support shaft 55 on the right side which is the other end of the suspension arm 51. The support bracket 52 and the hook hooks 53, 53 attached to the front and rear suspension arms 51, 51 are configured symmetrically in the front-rear direction, so the rear support bracket 52 and the hook hooks 53, 53 will be described.

  The support bracket 52 is configured by combining two front and rear plates 52a and 52b, and a support shaft 55 for pivotally supporting the other end of the suspension arm 51 is supported in the front-rear direction at the upper center. Support pins 56 and 56 are supported in the front-rear direction on the left and right sides of the lower portion of the support bracket 52. One ends of hook collars 53 and 53 are rotatably supported by the support pins 56 and 56. One end of the hook rod 53, 53 is disposed between the two front and rear plate bodies 52a, 52b. The hook collar 53 has a support hole for inserting the support pin 56 at one end of the plate shape, and a hook portion 53a for hooking the latch 59a of the storage bag 59 is formed on the other side.

  An operation tool 57 is supported on the rear plate body 52b of the support bracket 52, and the rotation of the hook rods 53 and 53 is restricted by one end of the operation tool 57, and the other end is used as a handle. That is, the operating tool 57 is formed by bending a bar in an L shape when viewed from the side, and one end of which is supported by a guide portion 52c attached to the rear plate body 52b of the support bracket 52 so as to be slidable in the front-rear direction. A spring 58 is fitted on one end, and is biased so that one end penetrates the rear plate 52b and comes into contact with the rear surface of the front plate 52a. The arrangement position of one end of the operation tool 57 is the center of the left and right of the support bracket 52, and is arranged at a position between the support pin 56 and the support shaft 55 in the vertical direction. Further, one end of the hook rods 53 and 53 is extended to the opposite side of the left and right center of the support bracket 52, and the upper surface of one end of the hook rods 53 and 53 is disposed so as to contact one end of the operation tool 57. Has been. Thus, the left and right center sides of the hook rods 53 and 53 are brought into contact with one end of the operation tool 57 to restrict the rotation, and are maintained in a substantially horizontal direction.

  When the other end side of the operation tool 57 is held and pulled backward against the biasing force of the spring 58, the operation tool 57 is detached from one end of the hook rods 53 and 53, and the other end of the hook rods 53 and 53 has its own weight. To rotate downward. At this time, as shown in FIGS. 5B and 6B, the upper end of the other end of the hook rod 53 53 is in contact with the inner surface of the hook bracket 53. The hook portions 53a and 53a on the other side of 53 are lowered, and the hook collars 53 and 53 are inclined downward. That is, when the root bag is full in the storage bag 59, the hook 59a of the storage bag 59 hooked on the hook portion 53a is in a tension state and is difficult to remove. When the contact between the one end of 53 and 53 and the operation tool 57 is released, the hook portions 53a and 53a are rotated downward so that the latching tools 59a and 59a can be easily removed. That is, since it bends at the center side of the left and right hook rods 53, 53, the interval between the hook portions 53a, 53a is narrowed and loosened, and the hooks 59a, 59a can be easily removed without removing the hook rods 53, 53 themselves. It can be done. At this time, the downward rotation of the hook hooks 53 and 53 is stopped by the stopper and does not go down to the vertical position, and does not hit the root vegetables in the storage bag 59 and be damaged. Further, when the replacement of the storage bag 59 is completed, one end of the operation tool 57 is biased by the spring 58 and is only in contact with the hook rods 53 and 53, so that the hook rods 53 and 53 can be lifted upward by hand. The one end side of the operation tool 57 is pushed in at the original position, and the hook rods 53 and 53 are hooked, so that the original horizontal position can be maintained.

  Thus, the hook arm 53 or 53 for hooking the latch 59a of the storage bag 59 via the support bracket 52 is attached to the other end of the suspension arm 51. Since the hook portion 53a is formed on the support bracket 52 so as to be pivotable up and down, and the other end hooks the hook 59a, the storage bag 59 is filled with root vegetables, and the storage bag 59 is inserted from the hook portion 53a. When removing the hook hook 53, it can be easily removed by rotating downward.

  The support bracket 52 is provided with an operating tool 57 that abuts against one end of the hook rod 53 and keeps it horizontal, and a stopper that restricts downward rotation. It can be operated easily and can be controlled downward by a stopper.

  Auxiliary worker seat 7 is arranged behind the lifting conveyor 40 so that the auxiliary work is seated on the auxiliary worker seat 7 so that the harvest can be selected while being conveyed by the lifting conveyor 40. ing. The auxiliary worker seat 7 is disposed on the right rear side of the lifting conveyor 40, and a container placement space 39 for storing defective products is formed on the left side. That is, the placement space 39 is formed behind the lifting conveyor 40 and between the auxiliary worker's seat 7 and the remaining leaf processing unit 8 (the pulling and transferring device 11). And since the back of the mounting space 39 is open | released, the inferior-goods storage container can be dropped down back easily.

  As described above, since the auxiliary worker's seat 7 and the placement space 39 for the defective product storage container are provided behind the sorting conveyor unit 4, a container for storing defective products is arranged in the vicinity of the sorting conveyor unit 4. The defective products can be stored in a defective product storage container, and the root vegetables flowing through the sorting conveyor unit 4 can be easily selected. Further, the container storing the defective product can be easily discharged backward. Further, since the auxiliary worker can be seated at a position as far away as possible from the pulling-up operation unit 3 and the sorting conveyor unit 4, it is possible to reduce dust and the like.

  Further, below the terminal end of the sorting conveyor unit 4, that is, below the bag lifting device 50, a harvesting table 60 is disposed so as to be rotatable up and down with respect to the machine frame 1.

  The crop mounting table 5 includes a support table 61, a lifting table 62, a lifting cylinder 63, and the like. The support base 61 is formed in a quadrangular frame shape and extends in the left-right direction with the support table 61 standing in the up-down direction. The lower left portion of the support base 61 is supported on the rear side portion of the driving operation unit 6 so as to be vertically rotatable with respect to the body frame 1 via a support shaft in the front-rear direction. That is, the harvesting platform 5 can be placed in the storage state by rotating upward. A front portion of the lifting platform 62 is rotatably supported by a rear lower portion of the support platform 61 via a lateral support shaft. The lifting platform 62 is formed in a substantially rectangular shape in plan view, and a lifting cylinder 63 is interposed between the left front portion of the lifting platform 62 and the support platform 61.

  The raising / lowering cylinder 63 is disposed at the front side inside the machine body of the harvest platform 5. That is, the elevating cylinder 63 is disposed vertically on the left rear portion of the support base 61, and the piston rod tip is connected to the elevating base 62. Thus, the lifting cylinder 63 does not interfere with the discharge of the storage bag 59, and does not interfere with the harvesting platform 5 when it is rotated upward and stored.

  An elevating switch 64 for elevating the elevating cylinder 63 is disposed in the driving operation unit 6. Specifically, as shown in FIG. 2, the elevating switch 64 is disposed in the vicinity of the lifting conveyor elevating switch 49 at the rear of the driver's seat 18. Has been. When the storage bag 59 is filled with the harvested product (main root), the storage bag 59 is easily removed from the bag suspension 50, and the lifting cylinder 63 is operated to lower the rear side of the lifting platform 62, so that the storage bag 59 is easily harvested. It can be lowered from the platform 60.

4 Sorting conveyor section 11 Pull-up transfer device 41 Conveyor frame 50 Bag lifting device 51 Hanging arm 52 Support bracket 53 Hook hook 53a Hook section
57 Operation tool 59 Storage bag 59a Hook

Claims (3)

The vehicle body, and vent up transfer device for conveying pull the field of vegetables, after transport by the vent raising transfer device conveys the harvested material was cut foliage obliquely upward, providing the end to be vertically rotated a sorting conveyor unit, in root vegetable harvester with a suspension arm for suspending the packaging bag at the end of the sorting conveyor,
One end of the suspension arm is supported so as to be vertically rotatable with respect to the conveyor frame constituting the sorting conveyor portion, and the other end of the suspension arm is provided with a latch for the storage bag via a support bracket. Attach hook 杆to hook ,
On the left and right sides of the support bracket, the left and right support pins are supported in the front-rear direction, and the left and right support pins are rotatably supported at one end of the left and right hook rods divided into the left and right in the support bracket portion,
At one end of the left and right hook rods, it is supported so as to be pivotable up and down, a support hole for inserting the support pin is opened, and a hook portion for hooking the latch of the storage bag is formed on the other side. Root vegetable harvesting machine characterized by that. 2. The root vegetable harvesting machine according to claim 1, wherein the support bracket includes an operation tool that abuts against one end of the left and right hook baskets and maintains the horizontal, and a stopper that restricts downward rotation of the left and right hook baskets. A root crop harvester characterized by having 3. The root vegetable harvesting machine according to claim 2, wherein the operation tool is provided at the center of the support bracket in the left-right direction and protrudes in the front-rear direction at a position above the support pin in the up-down direction. Is extended longer on the opposite side of the left and right center of the support bracket, and the upper surface of one end of the left and right hook rods abuts the lower side of the operation tool to restrict the upward rotation of the left and right hook rods. When the operation tool is removed from one end of the left and right hook rods, the other end of the left and right hook rods is rotated downward by its own weight, and the upper portion of one end of the left and right hook rods is The root vegetable harvesting machine is characterized in that it contacts with a stopper provided on the support bracket and restricts further downward rotation .

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