JP2015142535A - Walking-type root crop harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a walking-type root crop harvester capable of harvesting root crops planted in a ridge covered with a mulch film satisfactorily and continuously.SOLUTION: A walking-type root crop harvester is provided with a foliage pulling up device 14 and a foliage part clamping/conveying device 16. A planting hole expansion device 23 for expanding a planting hole of a mulch film M while engaging therewith is provided at the front side of the foliage pulling up device 14. The planting hole expansion device 23 is swung back and forth by the power of the foliage pulling up device 14 while a hook part 22a of a hook rod 22 protruding forward from the foliage pulling up device 14 is hooked on the planting hole of the mulch film M.

Description

  The present invention relates to a walking-type root vegetable harvesting machine that extracts and harvests root vegetable crops such as onions planted in a field.

  Patent Document 1 listed below is a walking-type root vegetable harvesting machine in which an operator steers the steering wheel while walking the rear part of the aircraft. The stalks and leaves that have fallen in the field are caused by the raising device provided in the part, the stalks and leaves are held and pulled out by the holding and conveying device provided in the rear upper direction, and the roots of the stalks and leaves are cut by the stalk and leaf cutting device. A work form is described in which it falls to the field and later collects and harvests the bulb.

  Further, in Patent Document 2 below, a multi-film winding device covered with a heel is provided on the upper part of the pulling device at the front of the machine body, and the nipping and conveying device while peeling the multi-film from the heel with this winding device. Describes a configuration in which the roots of the root vegetables are pinched and pulled out, the roots of the stems and leaves are cut with a cutting device, and the bulbs are dropped to the field.

JP 2004-222512 A Japanese Patent Laid-Open No. 2002-30

In the walking type root vegetable harvesting machine described in Patent Document 1, a harvesting method in a state where the straw is covered with a multi-film is not described.
Further, in the walking type root vegetable harvesting machine described in Patent Document 2, when the multifilm is wound up by the winding device, the fallen leaves are caught on the multifilm, and the bulb part is pulled out from the field. The harvesting work has to be interrupted frequently, as it becomes difficult to wind up.

  An object of the present invention is to provide a walking-type root vegetable harvesting machine capable of successfully and continuously harvesting root vegetables planted on a multi-film-covered pod.

The problems of the present invention are solved by the following technical means.
The invention according to claim 1 is a walking type root vegetable harvesting machine provided with a foliage raising device (14) and a foliage pinching and conveying device (16). A walking type root vegetable harvesting machine is provided, which is provided with a vegetation hole expanding device (23) that engages and expands the vegetation hole of the film (M).

  According to the second aspect of the present invention, the hook portion (22a) of the hook rod (22) projecting the vegetation hole expanding device (23) forward from the foliage pulling device (14) is provided as a multi-film (M The walking-type root crop harvesting machine according to claim 1, wherein the walking-type root-vegetable harvesting machine is configured to swing forward and backward by the power of the stalk-and-leave raising device (14).

According to a third aspect of the present invention, there is provided the walking type root vegetable harvesting machine according to the second aspect of the present invention, wherein the position of the hanging rod (22) is adjustable in the left-right width direction.
The invention according to claim 4 is provided with a foliage raising device (14) and a foliage pinching and conveying device (16) on an airframe traveling on the left and right front wheels (13, 13) and drive wheels (10, 10). In the walking-type root crop harvesting machine, the bulb portion feeding device (24) for scraping the bulb portion in the groin to the heel side on the front side of the front wheel (13) at the side portion of the foliage raising device (14) (24) ) Is a walking type root vegetable harvesting machine.

  According to the fifth aspect of the present invention, the scraping portion (26) of the bulb portion scraping device (24) can be moved left and right by a scraping operation lever (29) provided near the handle (8) at the rear of the machine body. The walking-type root crop harvesting machine according to claim 4 is provided.

  The invention according to claim 6 is a walking-type root vegetable harvesting machine provided with a foliage raising device (14) and a foliage pinching and conveying device (16), and at the end of the foliage pinching and conveying device (16). A container pedestal (30) for inducing a bulb shooter (33) for guiding a bulb part to be cut off and a container (31) for storing a bulb from the bulb shooter (33) is provided, and the container table (30) is used for a farm field. A walking type root vegetable harvesting machine characterized in that a container shooter (32) for sliding the container (31) down on the surface was provided.

  The invention according to claim 7 is a walking-type root vegetable harvesting machine provided with a foliage raising device (14) and a foliage pinching and conveying device (16), from the end portion of the foliage pinching and conveying device (16). A walking type root vegetable harvesting machine is provided, which is provided with a foliage shooter that receives the discharged foliage part and slides it down to the side of the drive wheel (10).

  In the invention according to claim 1, the foliage of the root vegetable is caused by the foliage pulling device (14) while the vegetation hole expanding device (23) expands the vegetation hole of the multi-film (M), and the foliage portion is nipped and conveyed. Since it pulls out while feeding backward with the device (16), the bulb part is smoothly pulled out without being caught in the vegetation hole of the multi-film (M), and it is not necessary to pull out the remaining root vegetables manually. The labor of the person is reduced.

  In the invention of claim 2, in addition to the effect of claim 1, when the vegetation hole expanding device (23) is simply configured, the vegetation hole of the multi-film (M) is reliably expanded and the bulb portion is pulled out. In addition, the multi-film (M) is not caught, and there is no need to manually pull out the uncut root vegetables, thereby reducing the labor of the operator.

  In addition to the effect of claim 2, in the invention according to claim 3, even if the root vegetables are growing greatly, the position of the hanging hook (22) is adjusted, so that the multi-film is not damaged. The vegetation hole of (M) is expanded, and root vegetables can be pulled out reliably.

  In the invention according to claim 4, even if the bulb part falls into the trough groove during the harvesting operation, the bulb part is fed to the heel side by the bulb part scraping device (24), so that the bulb part becomes the front wheel (13) or the drive wheel. (10) is prevented from being crushed and the yield is prevented from decreasing.

  In the invention of claim 5, in addition to the effect of claim 4, the scraping operation lever (29) moves the scraping portion (26) to the bulb portion in the groin while operating the aircraft. Therefore, it is not necessary to pick up the root vegetables in the ridge groove during the harvesting operation, the work efficiency is improved, and the root vegetables can be easily collected. .

  In the invention according to claim 6, the bulb part cut off at the end part of the foliage sandwiching and conveying device (16) is stored in the container (31) via the bulb part shooter (33), and the container (31). Is lowered to the field by the container shooter (32), so that it is not necessary to collect the bulb part in the post-operation and the work efficiency is improved.

  In the invention according to claim 7, the foliage portion released from the pinched state at the terminal portion of the foliage pinching and conveying device (16) is dropped by the foliage portion shooter to the outside of the driving wheel (10) to be expected to drive. The wheel (10) is prevented from slipping on the foliage and the running performance is improved.

It is a side view of an onion harvester. It is a top view of an onion harvester. It is a plane sectional view of a vegetation hole expanding device. It is a side view of a vegetation hole expanding apparatus. It is a side view of an onion harvester provided with a bulb part scraping device. It is a top view of an onion harvester provided with a bulb part scraping device. It is a side view of an onion harvesting machine provided with a container stand. It is a top view of an onion harvester provided with a container stand.

An embodiment of the present invention will be described. In the following description, the left is referred to as the left side and the right is referred to as the right side in the forward direction of the aircraft.
The embodiment shown in the figure shows a walking type onion harvester that harvests onions as root vegetables. In the following description, the bulb part is the onion itself, and the foliage part is a stem or leaf part extending to the ground.

  As shown in FIG. 1 and FIG. 2, a drive case 4 that houses an engine 2 and a transmission case is mounted at the left and right center rear portions of a main frame 1 provided at a substantially intermediate height of the airframe. Provide. A handle 8 that is leveled from a rearwardly inclined posture in side view is provided on the left and right sides of the main frame 1 at the front of the drive case 4 so as to be connected to the left and right.

  The handle 8 is disposed so as to protrude rearward of the fuel tank 5 and a left and right clutch lever (not shown) for turning on and off a side clutch mechanism in the transmission case is provided below the left and right horizontal portions of the handle 8.

  Travel drive shafts 6 and 6 are provided to project from the left and right sides of the drive case 4, and left and right travel cases 7 and 7 are provided facing forward and downward, and left and right drive wheels 10 and 10 are fixed to an axle 9 pivotally supported at the lower end. And it is made to drive by the power transmission from the traveling drive shaft 6 by the chain in the traveling case 7.

  A front wheel support frame 11 is provided so as to project to the left and right of the front end of the main frame 1. A front wheel support shaft 12 is attached to the front wheel support frame 11 in a front-down-tilt state in side view, and a front wheel 13 is pivotally supported at its lower end and When the front wheel adjusting shaft 14 is rotated rearward, the front wheel 13 is moved up and down to move up and down the front side of the main frame 1. The drive wheel 10 and the front wheel 13 can be changed in position to the left and right according to the width of the heel and travel in the ridge groove.

  A balance weight is provided at the lower part of the main frame 1 between the left and right front and rear rails so that the balance weight can be moved back and forth. When the steering wheel 8 is pushed down with the driving wheel 10 as a fulcrum and the front part of the aircraft is lifted, the balance weight is used. Is moved rearward of the drive wheel 10 so that the force to push down the handle 8 can be reduced.

At the balance weight position, a return spring is provided on the drive wheel 10, and a handle provided on the balance weight is held when the airframe is turning, and is pulled out backward and locked against the return spring.
At the forefront of the machine body, a foliage raising device 14 is provided. The foliage raising device 14 is configured by a scraping belt 15 with a lug, which acts to scoop up and rise the fallen foliage of the onion planted along the planting strip.

  After the foliage raising device 14, the foliage pinching and conveying device 16 is provided in an inclined state toward the rear upper side. This foliage pinching and conveying device 16 has a function of pinching the foliage portion raised by the foliage pulling device 14 from the left and right sides, conveying it rearward and upward, and pulling out the bulb portion from the field.

  A foliage cutting blade 17 is provided at the lower end of the foliage sandwiching and conveying device 16 to cut the root of the stem and foliage of the extracted root vegetables to separate the bulb portion and fall to the ground. The foliage is discharged from the end of the foliage nipping and conveying device 16.

  A vegetation hole expanding device 23 is provided at the lower front end of the foliage raising device 14. The vegetation hole expanding device 23 functions to widen the vegetation hole of the multi-film M laid on the ridge. The vegetation hole expanding device 23 is attached to the rotation shaft 19 of the driven pulley 18 around which the scraping belt 15 is wound up. A hook 21 is attached to the fixed eccentric cam 20 with a pin 21 and extended forward. The tip of the hook rod 22 is bent downward to form a hook portion 22a, and the hook portion 22a is hooked on the vegetation hole of the multi-film M as the driven pulley 18 rotates, so that it extends rearward. Moreover, the attachment position of the pin 21 with respect to the eccentric cam 20 can be changed, and it adjusts according to the planting space | interval of root vegetables. Moreover, the position engaged with the vegetation hole can be adjusted laterally by changing the attachment position of the hooking rod 22 with respect to the pin 21.

  Unlike the above-described configuration, the vegetation hole expanding device 23 is provided with a pair of left and right hooks 22 that engage with the vegetation holes of the multi-film M so that the vegetation holes can be expanded to the left and right as the aircraft progresses. You may make it operate | move to.

5 and 6 show a configuration in which the bulb portion scraping device 24 is provided.
The bulb part feeding device 24 raises a transmission shaft 25 which can be bent by a universal joint, extends the stem and leaves from the upper drive shaft 27 of the device 14 to the front side of the machine body, and feeds a feeding claw to the feeding unit 26 at the tip. 26a is provided such that the front side rotates toward the inside of the fuselage, and the scraping portion 26 moves in contact with the groove. The feeding portion 26 and the feeding claw 26a are connected by a ball joint so as to easily follow the groove shape.

  Then, the transmission shaft 25 is connected to a feeding operation lever 29 provided near the handle 8 by a rod 28 so that the position of the feeding portion 26 can be adjusted left and right by the feeding operation lever 29, and the onion rolling in the ridge groove is The scraping claw 26 a is scraped up to the heel so as not to be crushed by the front wheel 13 or the driving wheel 10. Moreover, the foliage part cut off or cut off by the scraping claw 26a can be wound up.

  7 and 8, a container stand 30 is provided on the side of the main frame 1, and the bulb portion cut by the foliage cutting blade 17 at the terminal end of the foliage pinching and conveying device 16 is not dropped onto the field without dropping to the field. 30 shows a configuration in which a container 31 installed at 30 is slid down and stored by a bulb portion shooter 33.

  The container stand 30 is provided with a spare container 31a in front, and provided with a container shooter 32 that guides the field from the rear of the container stand 30 to slide the container 31 full of bulbs. The container shooter 32 can be removed when it is not required by making it extendable or forming a soft sheet material.

  In addition, the container stand 30 may be provided at the lower end portion of the foliage sandwiching and conveying device 16 so that the bulb portion is directly stored in a fallen manner. The container 31 is tilted rearward to engage and disengage the locking tool that stops slipping with the foot pedal. When the foot pedal is stepped on while operating, the container 31 slides the container shooter from the container base 30. May be slid down to the field.

  In addition, a foliage container stand for placing a foliage container and a preliminary foliage container on the opposite side of the container stand 30 with respect to the machine body is provided, and the foliage is foliated with a foliage shooter that receives the foliage cut by the foliage cutting blade 17. The collected foliage container may be lowered to the field with a foliage container shooter.

  In addition, the foliage shooter may be extended directly to the field to abandon the foliage at an outer position where the driving wheel 10 does not step on.

M Multi-film 8 Handle 10 Driving wheel 13 Front wheel 14 Stem and leaf raising device 16 Stem and leaf portion clamping and conveying device 22 Hook rod 22a Hook portion 23 Vegetation hole expanding device 24 Bulb portion feeding device 26 Feeding portion 29 Feeding operation Lever 30 Container stand 31 Container 32 Container shooter 33 Bulb shooter

Claims (7)

  In the walking type root vegetable harvesting machine provided with the foliage raising device (14) and the foliage pinching and conveying device (16), the front of the foliage raising device (14) is connected to the vegetation hole of the multi-film (M). A walking-type root vegetable harvesting machine, which is provided with a vegetation hole expanding device (23) that expands together.   The vegetation hole expanding device (23) is hooked on the vegetation hole of the multi-film (M) with the hook portion (22a) of the hook rod (22) protruding forward from the stem and leaf raising device (14). The walking type root vegetable harvesting machine according to claim 1, wherein the walking type root vegetable harvesting machine is configured to swing back and forth by the power of the pulling device (14).   The walking-type root vegetable harvesting machine according to claim 2, wherein the position of the hanging basket (22) is adjustable in the left-right width direction.   In a walking type root vegetable harvesting machine in which a foliage raising device (14) and a foliage pinching and conveying device (16) are provided on a machine that runs on left and right front wheels (13, 13) and drive wheels (10, 10) In addition, a bulb portion feeding device (24) for scraping the bulb portion in the groin to the heel side is provided on the front side of the front wheel (13) at the side portion of the foliage raising device (14). Walking type root vegetable harvesting machine.   The scraping portion (26) of the bulb portion scraping device (24) is movable left and right by a scraping operation lever (29) provided in the vicinity of the handle (8) at the rear of the machine body. The walking type root vegetable harvesting machine described.   In the walking type root vegetable harvesting machine provided with the foliage raising device (14) and the foliage pinching and conveying device (16), the bulb portion for guiding the bulb portion cut off at the terminal end of the foliage pinching and conveying device (16) A container stand (30) is provided on which the container (31) for storing the bulb from the shouter (33) and the bulb shooter (33) is placed, and the container (31) is slid down from the container stand (30) to the field scene. A walking type root vegetable harvesting machine characterized by providing a container shooter (32).   In the walking type root vegetable harvesting machine provided with the foliage pulling device (14) and the foliage pinching and conveying device (16), the foliage emitted from the terminal portion of the foliage pinching and conveying device (16) is received and driven. A walking-type root vegetable harvesting machine provided with a foliage shooter that slides to the side of the wheel (10).

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