JP2003219719A - Root vegetable plucker - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a root vegetable plucker which plucks the root vegetable to a predetermined height by nipping and holding a foliage part in harvesting the root vegetables cultivated in a farm. <P>SOLUTION: A moving machine body is installed with a raking body 5 for collecting the foliage B of the root vegetable from lateral sides of a ridge A where the root vegetables C are cultivated in a row to the central part of the ridge and a plucking unit 7 having a lateral pair of plucking bodies for laterally nipping and holding the foliage B and plucking the root vegetable C to the predetermined height in accordance with the movement of the machine body. The lateral pair of the plucking bodies is elastically held to automatically move and adjust lateral intervals depending on the amount of the foliage B. A pair of rollers 6 is flexible tire-shaped substance which is installed to be inclining forward and driven by power 9 to mutually rotate inward to the machine traveling direction. A length of mutually contacting part of rollers 6, 6 is made to be adjusted by adjusting a forward and backward inclination angle, a supported height, a number of rotation, a lateral interval and an air pressure. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a root vegetable extractor capable of extracting root vegetables to a predetermined height by sandwiching foliage when harvesting root vegetables cultivated in a field.

[0002]

2. Description of the Related Art Conventionally, various root vegetable harvesters for harvesting root vegetables such as carrots, radish and burdock have been proposed and put into practical use. These root crop harvesters are self-propelled machines, with the foliage part sandwiched from the field by a pair of left and right endless belts, the root crops are extracted with the movement of the machine, and the extracted root crops are
In the process of sandwiching the foliage part with an endless belt and transporting the root vegetables in a hanging state, the root vegetables are separated from the foliage part, only the root vegetables are stored in a container, and the foliage part has the function of discharging to the field. It was general, relatively large, and expensive.

Further, in the conventional method of sandwiching and transporting the foliage portion by a pair of left and right endless belts, the harvested product is prevented from dropping when the foliage portion is sandwiched or transported, and the volume of the harvested product is large. In order to reduce the load when there is a lot of pressure, a plurality of guide rollers were pressed from the back side of the endless belt with springs and the like so that the clamping pressure and spacing were appropriate. Therefore, it is necessary to provide a large number of guide rollers according to the length of the belt, resulting in high production cost.

[0004]

Kintoki ginseng produced in the Shikoku region is an important special vegetable with an 80% share in the Keihanshin market. To ensure a root length of 30 cm or more, 2 It has a unique planting style with row planting. For this reason, it is not possible to use the well-known harvesting machine as described above, and there is no machine that can be used for such Kintoki carrot harvesting work, and the current situation is that all harvesting is done manually. Is. For this reason, a great amount of labor is required, and the worker may hurt his back. On the other hand, since the aging of workers is progressing, mechanization and light work of harvesting work are desired. However, since the amount of one harvest is small in Kintoki ginseng, it is not realistic to introduce such a large and expensive high-performance machine as described above.

Therefore, the present invention focuses on the extraction work which has the largest labor burden among the root vegetables such as carrots, radishes and burdock roots, and has a simple structure adapted to the conventional planting style and harvesting work form. In addition, the aim is to reduce the harvesting work by developing a harvesting work machine with low production cost.

[0006]

In order to achieve the above-mentioned object, the present invention is characterized by having the structure described in claims 1 to 4. A. In the mobile body, a grass collection body is provided for collecting the root and leaves of the root vegetables from the left and right sides of the ridge where the root vegetables are grown in rows toward the center of the ridge, and following this grass collection, the grass collection A pulling unit equipped with a pair of left and right pulling bodies that pulls the root vegetables up to a predetermined height on the ridges by sandwiching the foliage of the grass roots from the left and right, and controlling the pulling unit on the moving machine A controller is provided.

B. The withdrawal body is elastically held so that the left and right intervals are automatically adjusted according to the amount of the foliage. C. The pair of left and right rollers, which are the pull-out bodies, are made of a flexible tire and are obliquely installed in a forward-inclined manner so that they are rotationally driven inward with respect to the traveling direction of the machine by power. The tilt angle, support height, rotation speed, left and right spacing, and air pressure can be adjusted. D. The pair of left and right rollers, which are the pull-out bodies, can adjust the length of the contact portion between the rollers by adjusting the left-right distance and the air pressure.

[0008]

Function: A. Through D. The root vegetable extractor of the present invention having the structure of (claims 1 to 4) has the following functions. a. From the left and right sides of the ridges of root vegetables cultivated in rows,
The foliage is directed toward the center of the ridge by the grass-collecting body, and the collected foliage is sandwiched between the left and right pull-out bodies to move the machine and pull out the root vegetables to a predetermined height on the ridge, and then manually. The root vegetables can be removed from the ridges with a light force, aligned on the ridges, the foliage can be cut, and the root vegetables can be stored in a container efficiently. Further, by controlling the drawing unit by the controller, the drawing accuracy of the drawing body is improved.

B. Since the left and right intervals of the extractor are automatically adjusted according to the amount of the foliage, the left and right extractors extract the root vegetables to a predetermined height while holding the foliage with an almost appropriate pressure. c. The pair of left and right rollers, which are pull-out bodies, are configured by slanting a flexible tire-like one in a forward-inclined manner and rotationally driving inward with respect to the traveling direction of the machine by power, The pair of right and left rollers securely holds the foliage of the root vegetables, and moves the machine to pull out the root vegetables to a predetermined height above the ridge. In addition, an appropriate root vegetable extraction work is performed by adjusting the front-rear inclination angle, the support height, the number of rotations, the left-right interval, the air pressure, etc. of the pair of left and right rollers according to the situation of the foliage and root vegetables. d. The pair of left and right rollers adjusts the left-right distance and the air pressure, so that the length of the contacting portions of the rollers is adjusted, the rollers are appropriately clamped according to the state of the foliage portion, and the root vegetables are pulled out accurately.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be specifically described below with reference to the accompanying drawings.

The ridge A for cultivating Kintoki ginseng C in the Shikoku region has a trapezoidal cross section and a base 70c as shown in FIG.
It is a high ridge with m, height 40 cm, and ridge interval 90 cm, and this ridge A is cultivated in a manner in which two rows of carrot C are planted (row spacing 10 cm). The root length of ginseng C at the time of harvest has reached 30 cm or more. And when harvesting this Kintoki Ginseng C manually ,. Hold the stem and leaves and pull out the root from the cultivation ridge, right above. Align the extracted carrots on the ridges. Cut the foliage with a sickle, leaving about 5 cm of the foliage from the neck of the root. The work is carried out in a four-step work process in which the root part with the foliage part partially attached is housed in a container. this house. The work of pulling out the root portion is the most heavy labor, and in the present invention, a root vegetable pulling machine 1 having a simple structure capable of lightening the work of pulling out root vegetables such as carrots and radish, burdock root, etc. from the ridges is developed.

As shown in FIGS. 1 to 4, the root vegetable extractor 1 is made of an aluminum frame and has a pair of left and right front wheels 3 and a pair of left and right front wheels 3 at the lower end of a gate-shaped (high clearance) -shaped body 2 that straddles the ridge A. The rear wheels 4 are axially mounted, and the body 2 is pushed or pulled by human power so that the front wheels 3 and the rear wheels 4 travel. The airframe 2 may be capable of adjusting the horizontal distance and the vertical height with respect to the ridge A, and may be driven automatically by driving the front wheels 3 or the rear wheels 4 or the front wheels 3 and the rear wheels 4 with power. You may At the front part of the machine body 2, a pair of right and left grass collecting bodies 5 for collecting the foliage parts B of the carrot C cultivated in rows on the ridge A and collecting the foliage parts B toward the central part of the ridge A from both left and right sides are provided. . At the tip of this grass collecting body 5, a stir bar 5a which has a spread in the left-right direction and has a function of causing a foliage portion B lying laterally from the ridge A toward the central portion of the ridge A.
Is protruding.

After the grass collecting body 5, the foliage part B of the ginseng C collected by the grass collecting body 5 is clamped from the left and right, and the carrot C is moved along the body (standard 0.2 m / s) and the ridge A Pull out by a predetermined upper height h (see FIG. 9). A pair of left and right rollers 6
The pulling-out unit 7 provided with is provided substantially in the center of the machine body 2 in the front-rear direction. As shown in detail in FIG. 5, the roller 6 has an off-the-shelf tire (SL94) pivotally supported on a U-shaped support frame 8, and a DC motor mounted on the support frame 8 on the rotation shaft of the roller 6. 9 output shafts are connected. Also,
The support frame 8 is provided with a cylindrical body attachment portion 10,
The roller 6, the support frame 8, the DC motor 9, the machine body mounting portion 10 and the like constitute a pull-out unit 7.

The machine body mounting portion 10 is extended toward the side of the machine body 2, and rollers 6, 6 are obliquely inclined forward in a mounting frame 11 provided on both sides of the machine body 2 ( The standard is 50 degrees), and the DC motor 9 is driven to rotate inward with respect to the traveling direction of the machine at 37 rpm as a standard, and the front and rear inclination angles of the rollers 6 and 6, the support height, the number of rotations, and the rotation direction. It is supported so that the lateral distance, air pressure, etc. can be adjusted. Further, as shown in FIGS. 7 (a) and 7 (b), by adjusting the left-right distance between the rollers 6 and 6 and the air pressure, the length of the contact portion between the rollers 6 and 6 and the clamping pressure of the foliage portion B are adjusted. Can be adjusted. A cover 6a is provided from the grass body 5 to the extraction unit 7 to prevent the foliage portion B from being wound around the roller 6 and its rotation shaft during the extraction operation. The rollers 6 and 6 may be other than tires, and may be a pair of left and right endless belts.

A controller 12 for controlling the pull-out unit 7 and a battery 13 as a power source of the DC motor 9 are mounted on the upper portion of the machine body 2. The controller 12 turns on / off the DC motor 9 (roller 6). Roller 6
Controls such as normal / reverse rotation switching and adjustment of the number of rotations of the roller 6 are performed. A steering handle portion 14 is provided at the rear of the machine body 2, and an operator holds the steering handle portion 14 to operate the machine body. When the rollers 6, 6 hold the foliage B and pull out the carrot C, since the rollers 6, 6 are inclined forward, the resultant force received by the rollers 6, 6 is diagonally downward in the traveling direction. The ginseng C is pulled out in the vertical direction by the reaction of the vertical component force, and the horizontal component force acts in the direction of advancing the airframe. Therefore, the aircraft will move forward by pushing with a light force. In addition, the pull-out unit 7
It is possible to adjust the front-back inclination angle, the support height, the left-right interval, the air pressure, etc. by power with respect to the machine body 2. In that case, if these controls are performed at the controller 12 position. Good.

As shown in FIG. 6, the machine body mounting portion 10 is a cylindrical outer cylinder 1 mounted on a mounting frame 11.
0a, a cylindrical inner cylinder 10b attached to the support frame 8 and fitted in the outer cylinder 10a so as to be slidable in the horizontal direction and rotatable in the circumferential direction, and the outer end of the outer cylinder 10a. Tube 10a
An adjusting screw 10c that is screwed into the inside and adjusts the left-right spacing and the front-back inclination angle of the rollers 6 and 6, the outer cylinder 10a, and the inner cylinder 10
It is provided between the rollers b and 6, depending on the amount of the foliage B.
And a spring 10d that automatically adjusts the distance between the left and right sides of the. In this embodiment, the spring 10d is provided only on one side of the machine body mounting portion 10 and not on the other side, but the spring 10d may be provided on the other side.

When the root vegetable extractor 1 is moved over a long distance, a truck 15 as shown in FIG. 10 is used.
When loading the root vegetable extractor 1 on the truck 15, the step board 16 is hung on the loading platform 15a and the other end of the rope or wire 17 having one end fixed to the truck 15 is extended to the root vegetable extractor 1 side. This rope or wire 1
7 is sandwiched between the rollers 6 and 6 via the guide roller 18, and the rollers 6 and 6 are driven to rotate so that the rope or the wire 17 is pulled close to the root vegetable extractor 1 from the step board 16 to the bed 15a. It can be moved up and loaded with less effort.

Next, the operation of the root vegetable extractor 1 will be described. The root vegetable extractor 1 is inserted so as to straddle the ridge A, and the controller 12 turns on the DC motor 9 to rotate the rollers 6 and 6 forward. Then, when the operator holds the steering handle portion 14 and advances the body,
The stems and leaves B are gathered toward the center of the ridge A by the raising bar 5a and the grass collecting body 5, and the gathered stems and leaves B are sandwiched by the rollers 6 and 6 so that the carrot C can be held at a predetermined height h above the ridges A. Only pulling it out, the aircraft moves forward. Here, the pulling resistance for pulling out the carrot C manually was measured to be 66.4.
Although N was required, the pullout resistance after pulling out with the root vegetable pulling machine 1 was 9.7 N, which was extremely small.

The carrot C extracted by the root vegetable extractor 1 is manually extracted from the ridge A, aligned on the ridge A, the foliage B is cut from a substantially predetermined position, and the carrot C is stored in a container. Can be done efficiently. Further, the root vegetable extractor 1 can improve the extraction accuracy of the roller 6 by controlling the extraction unit 7 by the controller 12. When the foliage portion B is wrapped around the roller 6, the wrap around the foliage portion B can be easily removed by reversing the roller 6 by the DC motor 9.

Further, the left and right distances of the rollers 6 are automatically adjusted by the spring 10d according to the amount of the foliage portion B, so that the left and right rollers 6 and 6 clamp the foliage portion B at an appropriate pressure. The carrot C can be pulled out to a predetermined height in the state. Further, since the pair of left and right rollers 6 and 6 are provided with a flexible tire obliquely inclined forward and are driven to rotate inward by the DC motor 9 with respect to the traveling direction of the machine body, the rollers 6 and 6 are used to stalk the leaves. The part B can be securely clamped so that the carrot C can be pulled out to a predetermined height h above the ridge A as the machine body moves.

Further, by adjusting the front-rear inclination angle, the supporting height, the number of rotations, the left-right interval, the air pressure, etc. of the roller 6 according to the situation of the foliage B and the carrot C, an appropriate carrot withdrawal operation is performed. Furthermore, the roller 6 can adjust the length of the contact part of the rollers 6 and 6 mutually by adjusting the left-right space | interval and air pressure, and pinch it appropriately according to the state of the foliage part B, and the carrot C precision. Can be pulled out well.

[0022]

As described above, according to the root vegetable extractor of the present invention, the following operational effects can be obtained by the constitutions of claims 1 to 4. ． On the mobile unit, we provided a grass-collecting body for collecting the roots and leaves of the root crops from the left and right sides of the ridge where the root crops were cultivated in a row toward the center of the ridge. Since the foliage part of the root vegetables was sandwiched from the left and right, and with the movement of the machine, a pull-out unit having a pair of left and right pull-out bodies for pulling the root vegetables to a predetermined height on the ridge was provided, so that the root vegetables were pulled to a predetermined height, The root vegetables pulled out to this predetermined height are pulled out from the ridges with a light force by human power,
The work of arranging on the ridges, cutting the foliage and storing the root vegetables in the container can be performed easily, efficiently and with less strain on the waist of the worker. Further, since the controller for controlling the pull-out unit is provided in the moving machine body, the pull-out unit can be controlled by hand to improve the pull-out accuracy of the roller.

.. The pair of left and right rollers of the pull-out unit are elastically held so that the left and right intervals are automatically adjusted according to the amount of the foliage, so the left and right rollers pinch the foliage with an almost appropriate pressure. In this state, root vegetables can be accurately pulled out to a predetermined height. ． The pair of left and right rollers is a flexible tire that is inclined forward and tilted inward with respect to the direction of travel of the machine by power, so the rollers ensure the root and leaves of root vegetables. The root vegetables can be pulled out to a predetermined height on the ridge as the machine body is moved while being held. In addition, the front and rear inclination angles of the pair of left and right rollers, the support height, the number of rotations, the left and right intervals, the air pressure, etc. are adjusted according to the condition of the foliage and root vegetables, so the root vegetables extraction work should be performed properly and accurately. You can ． The pair of left and right rollers adjusts the left-right distance and the air pressure to adjust the length of the contact portion between the rollers, so that the rollers are clamped by a proper clamping force according to the state of the foliage, and the root vegetables It is possible to accurately pull out items to a predetermined height.

[Brief description of drawings]

FIG. 1 is a front view of a root vegetable extractor according to the present invention.

FIG. 2 is a rear view of the same.

FIG. 3 is a side view of the same.

FIG. 4 is a perspective view from the front of the working state in which the root vegetable extractor straddles the ridge.

FIG. 5 is a partial cross-sectional view of the extraction unit.

FIG. 6 is a partial cross-sectional view of a body mounting portion of the pull-out unit.

7A and 7B are explanatory diagrams of the operation of the roller.

FIG. 8 is a cross-sectional view of a carrot ridge.

FIG. 9 is an explanatory view of a carrot withdrawing action.

FIG. 10 is an explanatory diagram when the root vegetable extractor is loaded on a carrier.

[Explanation of symbols]

1 Root vegetable extractor 2 aircraft 3 front wheels 4 rear wheels 5 Gathering body 5a Causing stick 6 Roller (tire) 6a Cover 7 Extraction unit 8 support frames 9 DC motor 10 Airframe mounting part 10a Outer cylinder 10b Inner cylinder 10c adjusting screw 10d spring 11 mounting frame 12 Controller 13 battery 14 Control handle 15 trucks 15a loading platform 16 step board 17 Rope or wire 18 Guide roller A ridge B foliage C gold carrot h Carrot withdrawal height

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Junichi Nishizawa             Kagawa Prefecture Nakatado-gun Tadotsu Town Kitamogo 3-chome 1-50               Nishizawa Co., Ltd. (72) Inventor Masuhiro Fujikawa             1322-5 Nakahime, Onohara-cho, Mitoyo-gun, Kagawa (72) Inventor Takefumi Matsuzaki             452-2 Tarumicho, Marugame City, Kagawa Prefecture (72) Inventor Osamu Kadokawa             2069-3-303 Zentsuji-cho, Zentsuji-shi, Kagawa (72) Inventor Koji Inooku             2069-3-502 Zentsuji-cho, Zentsuji-shi, Kagawa (72) Inventor Atsushi Okado             2753 Ikuno-cho, Zentsuji-shi, Kagawa (72) Inventor Masahiro Miyazaki             2769-2-303 Kanaya, Kanaya-cho, Haibara-gun, Shizuoka Prefecture (72) Inventor Koji Seki             578-3 Takeda Takeda, Toyonaka Town, Mitoyo District, Kagawa Prefecture (72) Inventor Jiro Takao             1733 Kawahigashi, Kotonan-cho, Nakatado-gun, Kagawa Prefecture (72) Inventor Yasushi Otani             647-1 Hagiwara, Onohara Town, Mitoyo District, Kagawa Prefecture F term (reference) 2B072 AA04 AA06 AA10 BA17 BA18                       BA20 BA30 EA01

Claims (4)

[Claims] 1. A mobile body is provided with a grass-collecting body for collecting grass from the right and left sides of the ridge where root vegetables are cultivated in rows, with the foliage of the root vegetables being directed toward the center of the ridge. A pulling unit provided with a pair of left and right pulling bodies for pulling the root vegetables to a predetermined height on the ridge with the movement of the machine by sandwiching the foliage of the root vegetables collected by the grass body from the left and right, and the moving machine body A root vegetable extractor having a controller for controlling the extractor unit. 2. The root vegetable extractor according to claim 1, wherein the extractor is elastically held so that the left and right intervals are automatically adjusted according to the amount of the foliage. 3. The pair of left and right rollers, which are the pull-out bodies, are made of a flexible tire and are obliquely installed in a forwardly inclined shape so that they are rotationally driven inward with respect to the traveling direction of the machine by power. The front and rear inclination angle, support height,
The root vegetable extractor according to claim 1 or 2, wherein the number of revolutions, the left-right interval, and the air pressure can be adjusted. 4. The pair of left and right rollers, which are the pull-out bodies, are capable of adjusting the length of the contact portion between the rollers by adjusting the left-right distance and the air pressure. The root vegetable extractor according to 2 or 3.