JP3674620B2 - Root crop harvesting machine - Google Patents

Description

  The present invention relates to a root vegetable harvester.

If the root vegetable is, for example, carrot, when harvesting this carrot, run the root vegetable harvesting machine through the field, pull out the carrot at the front and pull it out with the transfer device and head upward During this holding transfer, it is successively transferred to the neck aligning transfer device, the tapping transfer device, and the leaf transfer device that are rotationally driven from the input drive device via the upper transmission device. The carrots are neck aligned, the leaves are cut, and the cut leaves are nipped and transferred to the transfer end by these tapping transfer device and leaf transfer device, and discharged from the end to the field.
JP-A-8-228546

  The problem to be solved by the present invention is to prevent the transfer belt of the transfer device from falling off the pulley.

In order to solve the above-mentioned problem, the invention according to claim 1 is provided with a transfer device (28) for holding the leaf portion of the root vegetable (I) and transferring it to the upper rear portion and pulling out the root vegetable (I) from the field. In the root crop harvesting machine provided, the transfer device (28) includes transfer belts (28a), (28a) spanned on upper and lower pulleys (28b), (28c) rotatably supported on upper and lower ends. ) Is provided on the left and right, and the leaf portion of the root vegetable (I) is sandwiched between the transfer belts (28a) and (28a) and transferred to the upper rear portion, and is wound around the pulleys (28b) and (28c). transporting belt pulley scraper (28e) for removing leaves and grass, etc. root (28a), the support provided at a plurality of positions of Rutotomoni provided inside the (28a), transfer the lower case of the device (28) (29a) A transfer belt (28) is attached to the support pin (29c) of the flange (29b). ) And the case (29d) openably mounted on cover from above, characterized in that fitted with scraper (28d) substantially contact the transfer belt (28a) with a predetermined width in the vertical on the upper case (29d) Root vegetable harvesting machine.

According to the first aspect of the present invention, a pulley scraper (28e) for removing root vegetable leaves, grass and the like wound around pulleys (28b) and (28c) around which transfer belts (28a) and (28a) are stretched is provided as a transfer belt. Since it is provided inside (28a) and (28a), it is possible to prevent the transfer belts (28a) and (28a) from falling off the pulleys (28b) and (28c).
In addition, an upper case (29d) that covers the transfer belt (28a) from above is attached to a support pin (29c) of a support rod (29b) provided at a plurality of locations of the lower case (29a) of the transfer device (28) so as to be freely opened and closed. Therefore, even if the leaf part of the root vegetables (I) is clogged at any point during the transfer, it can be removed safely and quickly.
Furthermore, since the scraper (28d) is attached to the upper case (29d) with a predetermined width in the vertical direction and in a substantially contact state with the transfer belt (28a), the leaves, grass and mud adhering to the transfer belt (28a) are removed. This reduces the gripping error, and leaves do not accumulate at the rear of the upper case (29d), so that the flow of leaves is smooth.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In the illustrated example, if the root vegetable (I) is, for example, ginseng (I), the ginseng (I) is excavated from the field, and the excavated ginseng (I) is transported to the leaves, and The root vegetable harvesting machine 1 that cuts a predetermined position below the root and temporarily stores the root vegetable harvesting machine 1 will be illustrated and described, and the root vegetable transfer device 6 will be illustrated and described.

  The root vegetable harvesting machine 1 is provided with a harvesting working device 3 on the outer side of one side of the traveling vehicle 2, and this harvesting working device 3 has a pulling device 4, a digging device 5, and a rear portion at the front. The root vegetable conveying device 6 and the like. A pair of left and right traveling crawlers 7a that travel on the soil surface is stretched under the chassis 7 of the traveling vehicle 2, and an operating device that performs traveling operations, various control operations, etc. on one side of the chassis 7 upper side. 8 and a pilot seat 9 on which an operator gets on and performs various operations are provided, and a motor (engine) 7b and the like are mounted below the pilot seat 9. This prime mover 7b is configured to rotationally drive the traveling crawlers 7a and 7a via a transmission mechanism 7d in the traveling gear case 7c.

  At the rear part of the upper part of the chassis 7, a root part of the carrot (I) is cut by a leaf cutting device 12 described later, and a predetermined position of a lower part of the root part is cut by a carrot lower cutting device 47 described later. In response to the supply of the cut carrot (a), both of which are cut, the first transfer conveyor 13 in which a transfer belt or the like that rotates in a lateral direction on the side of the cockpit 9 is stretched, and is rotated. A second transfer conveyor 14 having a transfer belt or the like is provided, and the first and second transfer conveyors 13 and 14 are provided to be inclined upward toward the transfer end portion. On the lower side of the transfer terminal of the second transfer conveyor 14 and on the upper side of the chassis 7, a storage box 15 for receiving and storing stored carrots (a) via both is placed. It is a configuration.

  As shown in FIG. 5, the first and second transfer conveyors 13 and 14 include a pulley 13 a that is pivotally supported on a transfer terminal portion of the first transfer conveyor 13 via a transmission mechanism 17 b from a transmission mechanism 17 a of the transmission case 17. And the pulley 14a pivotally supported at the transfer start end of the second transfer conveyor 14 is rotationally driven. On the left side of the rear portion of the chassis 7 is provided a support plate 16 having a U-shaped cross section projecting upward, and a transmission case 17 having a transmission mechanism 17a is rotatably provided above the support plate 16. ing. The transmission case 17 is provided with a support plate 18 projecting to the lower front part, and the front end of the support plate 18 is provided with a mounting plate 19b fixed with receiving plates 19a projecting to the front lower part on both the left and right sides. At the same time, an auxiliary receiving plate 19c protruding to the lower front side is fixed to the front end of each receiving plate 19a.

  The pulling devices 4 on both the left and right sides are configured to be supported by an upper receiving rod 20a having a transmission mechanism 20c projecting forward from the transmission case 17 and to be driven to rotate. The lower part is supported by a lower receiving rod 20b protruding forward from the auxiliary receiving plate 19c. The pulling device 4 is provided on the left and right sides of the front part of the root vegetable transfer device 6, and the pulling device 4 is provided with pulling chains 22a that are rotatably mounted in the pulling cases 21 and 21 on both the left and right sides. 22a includes a pulling lug 22b at a predetermined interval between the front lower end portion and the front upper end portion, which protrudes from the pulling cases 21 and 21 to cause a leaf portion of carrot (I), and a rear side It is the structure made into the non-action part which does not raise.

  As shown in FIG. 5, the pulling chain 22a of the pulling device 4 is rotationally driven from the transmission mechanism 17a of the transmission case 17 via the drive input shaft 22c. On the lower outer surface of the pulling case 21, a weeding body 23 that separates the carrot (I) leaves is provided so as to protrude forward, and as shown in FIG. An excavation height sensor 24 for detecting irregularities is provided in the pulling case 21 on one side. The digging height sensor 24 has a grounding plate 25b attached to a support plate 25a rotatably provided on the outer surface of the pulling case 21, and an upper end portion of the support plate 25a and a potentiometer 25c. It is the structure which consists of the connection lot 25d connected.

  The grounding plate 25b of the excavation height sensor 24 rotates depending on the height up to the farm field, and detects the unevenness of the farm field to rotate up and down. This rotation is detected by the potentiometer 25c, This detection is input to the CPU 10a of the control device 10 of the operating device 8 as shown in FIG. 6, and the center of the transmission case 17 is activated by the operation of the excavation part raising solenoid 26b or the excavation part lowering solenoid 26c. The vertical cylinder 26a is operated with the position as the vertical rotation center 26 position, and the excavation device 5 is controlled to rotate up and down.

  In accordance with the vertical rotation control of the digging device 5, the pulling device 4 on both the left and right sides, the root vegetable transfer device 6 and the like are also controlled to rotate in the vertical direction at the same time. The digging device 5 is provided on the left and right auxiliary receiving plates 19c so as to be vertically adjustable. This digging device 5 has a structure in which a digging plate 5b having a predetermined length is mounted in the vertical direction on the front end portion of a support rod 5a that projects obliquely toward the lower front. It is the structure which digs up both the right and left sides of the carrot (I) with the raising board 5b.

  A front support plate 16a is provided at a front portion of the support plate 16 of the chassis 7, and a support rod 16b is provided on the front support plate 16a so as to protrude forward, and a L is provided at a front end portion of the support rod 16b. A rotation plate 16c of a letter-shaped vertical rotation mechanism is rotatably mounted, and a lower end portion on one side of the rotation plate 16c is connected to a front end portion of the upper and lower cylinders 26a, and a front end on the other side. The end portion on one side of the support rod 16d of the up-and-down rotation mechanism is attached to the portion, and the other end portion of the support rod 16d is connected to the vicinity of the front end of the receiving plate 19a. It is a configuration.

  By the operation of the upper and lower cylinders 26a, the rotation plate 16c, the support rod 16d, the receiving plate 19a, the auxiliary receiving plate 19c, the connecting plate 29 described later, and the like are set with the vertical rotation center 26 position of the transmission case 17 as the rotation center. Accordingly, the pulling device 4, the digging device 5, the root vegetable transfer device 6, and the like are automatically controlled to rotate up and down. The transfer device 28 of the root vegetable transfer device 6 is provided on both the left and right sides of the rear side of the pulling device 4, and the transfer end of the upper end of the transfer device 28 is provided on the rear side of the transmission case 17 via a connecting plate 29. The transmission case 30 provided with the mechanism 30a is supported by the transmission mechanism 32a provided on the transmission case 32 provided on the upper side of the transmission case 31b provided with the transmission mechanism 31a of the upper input drive device 31 that is inclined and protrudes to the upper front. And is configured to be rotationally driven. The transmission case 30 is configured to simultaneously rotate up and down via the connecting plate 29 by rotating about the vertical rotation center 26 of the transmission case 17.

  The transfer device 28 has a configuration in which a transfer belt 28a is stretched around upper and lower pulleys 28b and 28c rotatably supported on upper and lower ends. The leaf portion of the carrot (I) excavated by the excavating device 5 is configured to be held between the transfer belts 28a and 28a and transferred toward the upper portion, and taken over to the neck aligning transfer device 33 during the transfer. It is a configuration. As shown in FIGS. 7 and 8, the lower case 29a of the transfer device 28 is provided with support rods 29b at a plurality of positions in the vertical direction, and the support pins 29c are provided with the support pins 29c so as to be rotatable. The support pin 29c is provided with an upper case 29d so as to cover the entire surface of the transfer belt 28a from above, and the upper case 29d is configured to be openable and closable around the support pin 29c. The upper case 29d is configured to be fastened to the receiving tool 29f by a fastening tool 29e, and to be attached and fixed.

  Thus, by covering the entire surface of the transfer belt 28a with the upper case 29d, it is possible to safely and quickly remove the carrot (I) leaf portion at any point during transfer. On the inner wall portion of the upper case 29d of the transfer device 28 on the holding side of the carrot (A), as shown in FIGS. 9 and 10, the carrot (I) leaves, grass, mud, etc. attached to the transfer belt 28a The scraper 28d is detachably mounted with bolts, nuts and the like so as to be substantially in contact with the transfer belt 28a with a predetermined width up and down.

  Thereby, by removing the leaves, grass, and mud adhering to the transfer belt 28a, the holding error is reduced, and the leaves etc. are not deposited at the rear of the upper case 29d, so that the flow of the leaves is smooth. . As shown in FIGS. 9 and 10, a pulley scraper 28e for removing ginseng (I) leaves, grass and the like wound around the upper pulley 28b is provided on the upper pulley 28b of the transfer device 28 with bolts and nuts. For example, it is configured to be detachably attached to the upper end of the lower case 29a. Similarly, a pulley scraper 28e may be provided in the lower pulley 28c.

  As a result, the deposits on the upper pulley 28b are eliminated, thereby preventing the transfer belt 28a from coming off. As shown in FIG. 2, the root vegetable transfer device 6 is located behind the transfer device 28 at a predetermined distance below the transfer end portion and provided on the left and right sides of the neck alignment transfer device 33, the tapping transfer device 34, and the leaf transfer device 35. , The leaf cutting device 12, the upper transmission device 38, the upper support frame device 36, and the like.

  As shown in FIG. 1, the root vegetable transfer device 6 is provided with a lower support case 37 with a transmission mechanism 37 a installed on the upper side of a transmission case 30 with a transmission mechanism 30 a as an input drive device 27, and an upper portion of the lower support case 37. The upper transmission device 38 includes an upper transmission case 38a with a transmission mechanism 38b, and an upper support with a transmission mechanism 41a provided above the upper transmission case 38a. A case 41 is provided, and the upper transmission case 38a is detachably attached to the upper and lower support cases 37, 41 with bolts, nuts and the like.

  As shown in FIG. 1, the root vegetable transfer device 6 has a configuration in which a neck alignment transfer device 33 is detachably attached to the lower side of the front portion of the upper transmission case 38 a of the upper transmission device 38. The rear pulley 39b of the neck aligning / transferring device 33 is supported by an intermediate support shaft 38c protruding downward from the front portion of the upper transmission case 38a, and the front pulley 39a is supported by the support plate 39. . The front and rear pulleys 39a and 39b have a configuration in which a transfer belt 39c is stretched over.

  Each of the neck aligning transfer devices 33 holds a carrot (I) leaf portion between the transfer belts 28a of each transfer device 28 and transfers it to the upper part. Between the respective transfer belts 39c, the leaf portion of the carrot (I) is held and taken over, and the leaf portion of the carrot (I) is held between the two, and further transferred to the upper part by the respective transfer belts 28a. As a result, the transfer belt 39c is moved to the lower end position until the upper part of the root part of the carrot (a) comes into contact with the upper part of the carrot (a), and the neck is aligned.

  As shown in FIG. 1, the tapping transfer device 34 is configured to be detachably mounted on the upper side of the front portion of the upper transmission case 38a. The rear pulley 42b of the tapping transfer device 34 is supported by a front support shaft 38d that protrudes upward at the front end of the upper transmission case 38a, and the support frame 42d that supports the front pulley 42a is a support plate 42. It is the structure supported by the support bolt 42e provided in this. The front and rear pulleys 42a and 42b have a configuration in which a transfer belt 42c is stretched over. With these transfer belts 42c, 42c, the carrot (b) being held and transferred by the neck aligning transfer devices 33, 33 is taken over from the middle and held and transferred.

  As shown in FIG. 1, the upper support frame device 36 is configured to be detachably mounted on the upper transmission case 38a and the tapping transfer device 34 upward. The support 36a of the upper support frame device 36 is supported by a rear support shaft 38e protruding upward at the rear end portion of the upper transmission case 38a, and is substantially at the center of the upper support frame 36b of the upper support frame device 36. The part is configured to be attached to a support plate 38f provided on the upper side surface of the upper transmission case 38a by a bolt or the like.

  As shown in FIG. 1, the leaf transfer device 35 is configured to be detachably mounted on the upper transmission case 38a, the tapping transfer device 34, and the upper support frame device 36 upward. The rear pulley 43b of the leaf transfer device 35 is supported by a rear support shaft 38e that protrudes upward at the rear end of the upper transmission case 38a, and a support frame 43d that supports the front pulley 43a is an upper support. It is the structure supported by the support bolt 36c provided in the flame | frame 36b. The front and rear pulleys 43a and 43b are configured such that a transfer belt 43c is stretched over. These transfer belts 43c, 43c take over the carrots (b) being held and transferred by the tapping transfer devices 34, 34 from the middle, and carry them in a held state. The carrots (b) have been cut by these transfer belts 43c, 43c. The leaves are held and transferred to the transfer terminal and discharged to the field.

  As shown in FIG. 1, the cutting device 12 has a configuration in which a cutting blade 46a is mounted in the vicinity of the lower end portion of the rotating shaft 46 that protrudes downward from the upper transmission case 38a behind the neck aligning and transferring device 33. The root transfer device 33 of the root vegetable transfer device 6 is configured to be detachable downward, and the tapping transfer device 34, the leaf transfer device 35, and the upper support frame device 36 are configured to be detachable upward. This is a structure that can be disassembled and inspected when the occurrence of the problem occurs, or can be easily replaced when parts are replaced.

  The support frame 42d of the tapping transfer device 34 and the support frame 43d of the leaf transfer device 35 are wound around the front pulley 42a of the tapping transfer device 34 and the front pulley 43a of the leaf transfer device 35 as shown in FIG. Each scraper 42f, 43e for removing carrot (I) leaves, grass and the like is provided in each, and the carrot (I) leaves and grass wound around the rear pulleys 42b, 43b of the respective transfer devices 34, 35 Each of the rear scrapers 42h and 43f for removing the components and the like is provided in each.

  As a result, the scrapers 42f and 43e provided on the front side are provided on the support frames 42d and 43d, so that there is no need to adjust them even if the transfer belts 42c and 43c are adjusted. Further, by providing the rear scrapers 42h and 43f on the rear side, the transfer belts 42c and 43c can be prevented from coming off. As shown in FIG. 15, tightening portions 31c and 31c provided on the upper and lower sides of the transmission case 31b of the upper input drive device 31 are mounted on the side of the transmission case 30 of the input drive device 27 with bolts or the like.

  Thereby, disassembly and assembly are easy, and when the leaf cutting device 12 is disassembled, the leaf cutting device 12 can be disassembled after temporarily removing the transmission case 31b. Therefore, disassembly is easy. As shown in FIG. 14, the root vegetable transfer device 6 has a configuration in which a fastening plate 37 b provided at the lower end portion of the lower support case 37 is attached to the upper side surface of the transmission case 30 with a bolt or the like. The root vegetable transfer device 6 is configured integrally with a leaf cutting device 12, a neck aligning transfer device 33, a tapping transfer device 34, an upper transmission device 38, and a leaf transfer device 35.

This facilitates inspection and repair after completion of work, and improves productivity. The carrot lower cutting device 47 is provided in an inclined state in the upper rear part of the digging device 5 from the front lower portion toward the rear, and the carrot lower cutting device 47 is spaced at predetermined intervals in the left-right direction and at two locations in the vertical direction. A plurality of guide rods 48a each having a mountain shape are provided, and in each of these two mountain shapes, each rotary tool 48c having a plurality of cutting blades 48b mounted on the outer periphery of the rotation is rotatable up and down at predetermined intervals. It is provided and pivotally supported.

  The carrot lower cutting device 47 is held between the transfer belts 28a of the transfer devices 28, and the tip of the root part of the short ginseng (a) being transferred to the upper part is a mountain-shaped guide rod 48a, 48a. In between, the lower cutting blade 48b cuts the predetermined position of the tip of the root of this carrot (A). In addition, the long carrot (a) being transferred to the upper part passes through the lower chevron 48a, and the root of the carrot (a) between the upper chevron 48a, 48a. The tip of the root enters, and a predetermined position of the tip of the root is cut by the upper cutting blade 48b. It is the structure which cut | disconnects the predetermined position of the front-end | tip of this root part with the full length of the root part of a carrot (I).

  At the rear end of the chassis 7, a foldable auxiliary chassis 44 is provided as shown in FIG. 13, and on the upper side of the auxiliary chassis 44, cutting of carrots (A) that are held and transferred by the leaf transfer device 35. It is the structure which mounted the foliage storage box 45 which receives a used foliage part. As a result, the cut foliage portion is not discharged onto the straw in the field, and the harvesting operation is easy, and the folding and folding are easy to store and transport.

  A support frame 49 is provided on the upper side of the chassis 7 so as to be positioned on the upper side of the second transfer conveyor 14 as shown in FIG. 12, and an empty storage box 15 is placed on the upper side of the support frame 49. . This empty storage box 15 is configured so that two stages can be placed vertically. As a result, the storage box 15 filled with carrot (I) and the empty storage box 15 can be exchanged for a short time, or can be easily exchanged.

Enlarged side view of root vegetable transfer device Overall side view of root crop harvester Overall side view of root vegetable harvesting machine when not in operation Overall plan view of root crop harvesting machine Transmission mechanism diagram of root vegetable harvester Block Diagram Enlarged side view of transfer device Enlarged plan view of transfer device Enlarged side view of transfer device Enlarged plan view of the tapping transfer unit and the leaf transfer unit It is a figure which shows another Example, The top view which fractured | ruptured the root vegetables harvester partially The figure which shows the other Example, The side view in which the root vegetable harvester was partly broken It is a figure which shows another Example, An enlarged side view of a root vegetable conveyance apparatus part It is a figure which shows another Example, and is an expanded side view of an upper input drive device part

Explanation of symbols

27 Input drive device 33 Neck alignment transfer device 34 Tapping transfer device 35 Leaf transfer device 36 Upper support frame device 38 Upper transmission device
(I) Root vegetables (carrot)

Claims (1)

In the root vegetable harvester provided with a transfer device (28) for holding the leaf portion of the root vegetable (I) and transferring it to the upper rear part and extracting the root vegetable (I) from the field, the transfer device (28) The transfer belts (28a) and (28a) spanning the upper and lower pulleys (28b) and (28c) rotatably supported on the upper and lower end portions are provided on the left and right sides of the transfer belts (28a) and (28a). A pulley scraper (28e) for removing root vegetables leaves, grass, etc. wound around the pulleys (28b) and (28c) is configured such that the leaf part of the root vegetables (I) is sandwiched between and transferred to the upper rear part. moving belt (28a), provided on the inner side of (28a) Rutotomoni, transfer belt support pins (29c) of the support bars (29 b) provided at a plurality of positions of the lower case (29a) of the transfer device (28) (28a) The upper case (29d) covering the top from the top can be opened and closed freely Wear, and root crops harvester, characterized in that fitted with scraper (28d) substantially contact the transfer belt (28a) with a predetermined width in the vertical on the upper case (29d).

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