JP2000295913A - Root vegetable harvester and harvest of root vegetable - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a root vegetable harvester enabling root vegetables grown by mulching culture to be harvested, and also to provide a method for harvesting the same vegetables. SOLUTION: This method for harvesting root vegetables is to pull out a root vegetable A1 from the underground while sandwiching the stalk and leaf part A2 of the vegetable A1 with a pair of right and left endless driven conveyor belts 15a placed in a faced state to each other so as to be higher in the rear, to cut the stalk and leaf part A2 at its root of the vegetable A1 pulled out from the underground with a leaf-cutting device 39 placed below the belts 15a of a pulling station 16 and to make the root vegetables A1 not to be transferred toward a higher backward position.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique for mechanizing harvesting of root crops such as onions such as onions cultivated by planting seedlings in ridges covered with a multi-film.

[0002]

2. Description of the Related Art Conventionally, a pair of left and right endless endlessly driven, oppositely arranged and driven upside-down inclined states has been used as a harvester for root crops of standard cultivation in which seedlings are planted on ridges not covered with a multi-film. A pulling part for pinching the roots and leaves of the root vegetables by the movement zone, and pulling out the root vegetables from the ground, a pair of left and right upper endless rotary bands continuous with a pair of endless rotary bands and a pair of upper endless turns of the pulling part. A pair of left and right lower endless rotating bands are arranged below the moving belt so that the rear part is separated from the upper endless rotating band so as to be separated from the upper endless rotating band. While the lower part of the foliage is pinched and transported by the lower endless rotating band, a rear conveying device that further conveys the root vegetables sent from the drawing portion further rearward and upward, and a pair of upper endless rotating belts of the conveying device. Placed between a pair of lower endless rotating bands A leaf cutting device that cuts the foliage between its upper and lower clamping positions, discharges the root vegetables whose foliage has been cut from the rear ends of the pair of lower endless rotating bands to a predetermined release position, and is separated from the root vegetables. In some cases, foliage is released from a rear end of the pair of upper endless rotating bands to a predetermined release position.

[0003] On the other hand, root crops of mulch cultivation that has reached a suitable harvest time are larger in the ground under the multi-film covered with ridges than in the seedling-transplantation holes opened in the multi-film at the time of seedling transplantation. The roots of the root vegetables protrude from the seedling transplantation hole to the ground. Under such cultivation conditions, the roots of the root vegetables are pinched and pulled out from the ground by the pulling part, and the root vegetables sent from the pulling part are further conveyed rearward and upward by the post-conveying device, and the leaf cutting is performed. When conveyed to the apparatus, the multi-film lifted simultaneously with the root vegetables wraps around a pair of endless rotating belts or other portions of the draw-out section, and the harvesting becomes impossible.
Therefore, harvesting of root crops of mulch cultivation was performed manually without using a harvester for root crops of standard cultivation.

[0004]

The artificial harvesting of cultivated root vegetables is more labor intensive than the artificial harvesting of root crops of standard cultivation. Therefore, mechanization is desired. SUMMARY OF THE INVENTION An object of the present invention is to provide a cultivated root crop harvester and a harvesting method thereof.

[0005]

According to the present invention, there is provided a root crop harvesting machine according to the present invention, comprising a pair of left and right endless rotating belts which are driven to face each other in an upwardly inclined state. A pulling part for holding the root vegetable and pulling the root vegetable from underground,
A leaf cutting device is provided below the extraction part to cut the roots and foliage of the root vegetables extracted from the ground at the base, so that the root vegetables are harvested without being lifted to a position higher than the extraction part. Even if harvested cultivated root crops, the multi-film cannot be lifted to a position higher than the extraction part, and the multi-film wraps around a pair of endless rotating bands or other parts of the extraction part, making it unharvestable And can mechanize the harvest of root crops of mulch cultivation.

[0006] Further, a pair of endless rotating bands of the drawing section,
A pair of left and right guide members are disposed below the pair of endless rotating bands so that the rear part is inclined with respect to the endless rotating band so as to separate from the endless rotating band, and guide the lower part of the foliage between the pair of guide members. By transporting the upper part of the foliage by a pair of endless rotating belts, the root device pulled out from the ground is transported rearward while the upper surface thereof is in contact with the lower surface of the pair of guide members. The leaf cutting device is disposed between the pair of endless rotating bands of the conveying device and the rear portion of the pair of guide members, and the posture and positional relationship of the root vegetables with respect to the leaf cutting device are unified by the conveying device, and When it is stable, the roots of the foliage in the tension state are cut by the leaf cutting device, so that the leaf cutting height can be made uniform, a beautiful cut surface can be obtained, and the commercial value can be improved.

[0007] In addition, a root vegetable stem and leaf which is disposed above the leaf cutting device between a pair of endless rotating bands of the conveying device and a pair of guide members and is conveyed to the rear leaf cutting device by the conveying device. An auxiliary transport device that rakes the foliage into the rear leaf cutting device, and sets the feed speed of the auxiliary transport device to be higher than the nipping transport speed of the foliage by the pair of endless rotating bands of the transport device. Forcibly feeds the roots of the foliage into the leaf cutting device by a single stroke, so that the leaf cutting height can be prevented from becoming uneven and the cut surface can be prevented from becoming dirty, and appropriate leaf cutting work can be reliably performed It is.

In order to achieve the above object, a method for harvesting root crops according to the present invention is characterized in that the root crops are sandwiched between a pair of left and right endless rotating belts which are driven while being opposed to each other in an upwardly inclined state. A pair of endless rotating bands and a pair of endless rotating bands disposed below the pair of endless rotating bands so that the rear part is separated from the endless rotating bands. With a pair of guide members, the lower part of the foliage is guided and guided between the pair of guide members, and the upper part of the foliage is pinched and transported by a pair of endless rotating bands, so that the root vegetables pulled out from the ground are turned on the upper surface. The transporting step of transporting the pair of guide members rearward while being in contact with the lower surfaces of the pair of guide members, and a leaf cutting device disposed between the pair of endless rotating bands and the rear portion of the pair of guide members in the transporting step. Part of root vegetables It consists of a leaf cutting step of cutting leaves at the root thereof and a post-conveying step of pinching and transferring stems and leaves by a pair of left and right endless rotating bands that are continuous with a pair of endless rotating bands of a drawing step and a conveying step. It is possible to mechanize a series of steps from extraction of root crops of mulch cultivation from underground and leaf cutting to post-processing of foliage after cutting.

[0009]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is an overall side view of a walking type onion harvester, FIG. 2 is an overall plan view thereof, FIG.
4 is a side view, FIG. 5 is a plan view, FIG. 6 is a partially enlarged view of FIG. 3, FIG. 7 is a partially enlarged view of FIG. 4, and FIG. 8 is a partially enlarged view of FIG. In the figure, (1) is an engine, (2) is a mission, (3) is a left and right lateral transmission case, (4) is a left and right final case, (5) is left and right running wheels, (6) is a steering wheel, and (7) is A gauge wheel, (8) is a weeding device, (9) is a scraping device, and (10) is a nipping and conveying device. The weeding device (8) comprises a weeding case (1) with weeding tines (11).
2) is equipped with two rows of three rows in a rearwardly inclined state. The scraping device (9) is a scraping belt (14) with a pair of left and right locking projections (13), which are driven immediately after the weeding device (8) while being arranged opposite to each other in a parallel and upwardly inclined state. Make up. A pair of left and right endless rotating belts (1) which are driven immediately opposite to each other in a slightly upwardly inclined state immediately after the scraping device (9).
5). Then, while the body is running along the ridges (B1) where the onions (A1) are cultivated in four rows, the foliage (A2) is caused to fall by the weeder (8),
The streaks and leaves (A2) of the streak are separated and erected every single streak, and the two streaks and leaves (A2) in the separated and erected state are scraped together by a scraping device (9) to form a single bundle. Foliage (A2)
By being pinched by a pair of front endless rotating bands (15a) in the front half of the pinching and conveying device (10), and transported rearward and upward,
The onion (A1) is pulled out from the ground by two strips at a time, and the pair of front endless rotating bands (15a) constituting the front half of the nipping and conveying device (10) constitutes a drawing portion (16). . In the drawing, (17) is a post-conveying device which comprises the pair of rear endless rotating bands (15b) constituting the rear half of the pinching-conveying device (10), and pinches and transfers the cut foliage (A2).
(18) shows the foliage (A) cut from the post-transport device (17).
2) A foliage release device that inherits and laterally moves to the valley side to discharge, and (19) is a foliage release guide body made of a flexible rubber plate that guides the foliage (A2) released from the foliage release device (18) to the ground. It is.

The left and right running wheels (5) and each device (8)
(9), (10) and (18) are for transmitting the power of the engine (1) through the transmission path shown in FIG. 9, and the output shaft (1a) of the engine (1) is linked to the input section of the mission (2). The right and left traveling output shaft (3a) of the transmission (2) connected to the left and right lateral transmission case (3) is connected to the chain transmission mechanism (4a) and the left and right side clutch (20) inserted to the left and right final case (4). ) Via left and right axle (21)
And the left and right axles (21) are rotatably driven. Incidentally, (22) in the drawing is a left and right parking brake. On the other hand, the work output shaft (2) projecting forward from the mission (4) via the work clutch (23)
4) is operatively connected to the left and right work input shaft (25) via a pair of bevel gears (26).
5) A pair of worm (27) and worm wheel (2)
8) a nip-conveying drive shaft (29) interlockingly connected via the boss is protruded upward, and the rear driving pulley shaft (30) of the pair of endless rotating belts (15) is chained to the nip-conveying drive shaft (29). The pair of endless rotating bands (15) are rotationally driven in a predetermined direction by interlocking connection via a transmission mechanism (31). An upper driving pulley shaft (33) of a pair of scraping belts (14) is interlockedly connected to a front driven pulley shaft (32) of the pair of endless rotating bands (15) via a chain transmission mechanism (34), The pair of scraping belts (14) are driven to rotate in a predetermined direction. The rear end of a vertical transmission shaft (35) extending in the front-rear direction on the lateral side and outer side of the ridge (B1) of the holding and conveying device (10) is connected to the work input shaft (2).
5) A pair of bevel gears (3)
6) and linked together via the weeding tine (1)
1) The front end of the vertical transmission shaft (35) is linked to the center end of the ridge (B1) of the upper drive sprocket shaft (37) of the tine chain (11a) to be mounted, and each weeding case (12)
Of the weeding tine (11) is rotated. Further, the foliage releasing device (18) is supported on the rear drive pulley shaft (30) of the endless turning band (15) on the valley side, and the endless turning band (15) is provided.
And is driven to rotate together.

As shown in FIG. 1 to FIG. 8, the structure of the harvester described above has a leaf cutting device (39), a transport device (40), an auxiliary transport device (41), and a dug-out blade ( 4
2) It is equipped with a multi-cutter (43), a divider (44), a multi-holding body (45) and a multi-focusing mechanism (46), and constitutes a multi-specification structure for harvesting multi-cultivated onions (A1). .

The leaf cutting device (39) is disposed below the drawing portion (16), and the onion (A1) drawn from the ground.
Reciprocating blade (4) that cuts the foliage (A2) at its root
7).

The transport device (40) includes a pair of endless rotating bands (15a) of the drawing section (16) and a rear end below the pair of endless rotating bands (15a). A synthetic resin slash plate (48), which is a pair of left and right guide members disposed in an inclined state so as to be separated from each other, and guides the lower part of the foliage (A2) between the pair of slash plates (48). Meanwhile, the upper part of the foliage (A2) is pinched and transported by a pair of endless rotating bands (15a), so that the onion (A1) pulled out from the ground is turned on its upper surface to the lower surface of a pair of slash plates (48). The leaf cutting device (39) is disposed between the pair of endless rotating bands (15a) of the conveying device (40) and the rear portion of the pair of slash plates (48). are doing.

The pair of slash plates (48) are provided in two sets on the left and right, and a V-shaped or U-shaped weeding guide (49) is provided in plan view, and the rear end of the weeding guide (49) is provided. Parts are attached to the inner slash plate (48) of each set, the front end bent portion is extended to a portion immediately after the lower end side between the pair of scraping belts (14), and the foliage (A2) of the left strip is attached to the right slash plate. Weeding guides (49) prevent the receiving between the plates (48) and the foliage (A2) of the right streaks (A2) between the left slash plates (48). Are configured to separately receive the foliage (A2) one by one. Note that the weeding guide (49) is shaped so as not to break the multi-film (M) by curving the front part upward.

Further, two sets of slash plates (48) are attached to the lower surface, and a receiving plate (50) for assembling a reciprocating blade (47) is provided at the rear of the upper surface. A pair of left and right grooves (51) is provided corresponding to the foliage transport path formed between the plates (48). The slash plates (48) inside the slash plates (48) of each set are integrally formed, and two sets of a pair of guide members are provided by three slash plates (48) at the left, right, and center. .

The auxiliary transport device (41) is located above the leaf cutting device (39) between a pair of endless rotating bands (15a) of the transport device (40) and a pair of guide members (48). A pair of left and right locking protrusions (52) and a squeezing belt (53) driven in parallel or substantially parallel with the guide member (48);
0), the stems and leaves (A2) of the onions (A1) conveyed to the rear leaf cutting device (39) are scraped into the rear leaf cutting device (39). A pair of endless rotating bands (15
The speed is set to be higher than the nipping transfer speed of the foliage (A2) according to a).

The excavating blade (42) has a single structure, and has a blade portion (42a) having a length capable of digging up two lines of soil below the front end of the drawing portion (16), and the blade portion. A vertical arm (42b) that rises at the center end of the ridge (B1) of (42a) and projects to the ground.
b) is rotatably supported on the back-and-forth swinging fulcrum shaft (54), and the vertical arm portion (42b) is reciprocated in the fore-and-aft direction to swing the excavating blade (43) in the fore-and-aft direction. It is configured to be.

[0018] The multi-cutter (43) is inserted into the vertical arm (42b) so that the lower part of the dug-out blade (42) is cut into the ground at right angles or substantially right angles immediately before the vertical arm (42b). A disk-shaped rotary blade to be attached. While rotating the multi-cutter (43) by rolling contact with the ridge (B1), the multi-cutter (43) is oscillated back and forth by the back and forth swing of the digging blade (42) to thereby center the ridge (B1). The multi-film (M) is continuously cut in the length direction at the section, the multi-film (M) is divided into two sections, and the vertical arm section (42b) of the digging blade (42) is grounded from the cut. It is configured to be inserted inside.

The divider (44) is provided with a foliage (A) which is in a lodged state below the front of each weeding case (12) of the weeding device (8).
2) a rod-shaped divider body (55) for picking up and guiding the weeding tine (11) to the range of action of the weeding tine (11); and a divider mounting frame (56) for attaching the divider body (55) to the weeding case (12). , Divider body (5
5) is provided with a multi-holding portion (55a) for sliding contact with the ridge (B1) coated with the multi-film (M) at the front portion, and from the rear end of the holding portion (55a) to the tip of the weeding tine (11). A guiding portion (55b) is provided at the rear portion to extend in a rear ascending state to the lower circling locus, and the formed multi-stick prevention portion (55c) is formed by bending the front portion of the pressing portion (55a) backward. It is provided at the front end.

The multi-holding body (45) has a front part attached to the center weeding case (12) and the weeding case (12).
A first holding rod (57a) extending in a ground contact state from below the rear leaf cutting device (39) and a weeding case (12) on the center side of the ridge (B1). A second presser bar (57b) extending from the lower side of the case (12) to the lower side of the rear leaf cutting device (39) in a grounded state, and the first and second presser bars (57a) (57b) From the weeding device (8) to the leaf cutting device (39), the multi-film (M) and the ridge (B1) between the ridges (B1) between the ridges (B1) and the ridges (B1) are formed. Pressing, the weeding tine (11) and the locking projection (13) of the pair of scraping belts (14) prevent the multi-film (M) from being hooked. Note that the multi-film (M) outside the strip on the valley side of the harvest strip is covered with a slope or a valley on the outer side of the multi-film (M), so that the holding body (45) is not provided.

Further, the front portions of the pressing rods (57a) and (57b) are warped upward so as not to break the multi-film (M), and the warped portions (58a) (58) are formed.
b) in the working range of the weeder tine (11) at the position just beside the lower circling path when the weeder tine (11) turns from downward rotation to upward rotation in the middle of lower traverse, The action while the weeding tine (11) is rotating downward is eliminated, further preventing the weeding tine (11) from catching the multi-film (M).

The multi-focusing mechanism (46) projects forward from the multi-cutter (43) and the final case (4) on the harvesting side to provide a slope on the harvesting side and a multi-film (M) coated thereon. ), And the multi-film (M) is placed between the converging rod (59) that floats on the upper surface of the ridge (B1) and the left and right final cases (4), and is a multi-film of half width on the harvest side. And a focusing roller (60) that is placed behind while converging (M), and is configured to perform post-processing of the multi-film (M) simultaneously with harvesting of the onion (A1).

The leaf cutting device (39) and the digging blade (4)
2) and the auxiliary transfer device (41) for transmitting the power of the engine (1) through the transmission path shown in FIG. 9, and a crank (61) is provided at the valley side end of the work input shaft (25). The cutter drive rod (6) is connected to the crank (61) via the crank rod (62) and the L-shaped link (63).
4) are linked to drive the reciprocating blade (47). On the other hand, a crank (65) is provided at the center side end of the ridge (B1) of the work input shaft (25), and an excavating blade (42) is interlocked to the crank (65) via a crank rod (66). Then, the excavating blade (42) is driven. An auxiliary transport drive shaft (67) is provided on the front driven pulley shaft (32) of the pair of endless rotating belts (15) via a chain transmission mechanism (34). The rear drive pulley shafts (69) of the pair of scraping belts (53) are interlocked and connected via a speed chain transmission mechanism (68), and the pair of scraping belts (53) are connected to a pair of endless rotating bands (1).
It is driven to rotate in a predetermined direction at a higher speed than in 5).

[0024]

As is apparent from the above embodiments, the root vegetable harvesting machine of the present invention has a root vegetable (A1) formed by a pair of left and right endless rotating belts (15a) which are driven to face each other in an upwardly inclined state. ), And a pull-out portion (16) for pulling the root vegetable (A1) out of the ground by holding the foliage (A2) of
Root vegetables (A1) placed under the ground and pulled out from the ground
Cutting device (3) for cutting the foliage (A2) at the root thereof
9), the root vegetable (A1) is harvested without being lifted to a position higher than the extraction part (16). Therefore, even if the root vegetables of the mulch cultivation are harvested, the multi-film (M) is provided by the extraction part (16). The multi-film (M) is not lifted to a higher position, and the multi-film (M) is not
5a) and other parts can be prevented from becoming unharvestable due to wrapping, and the harvesting of root crops of mulch cultivation can be mechanized.

Further, the pair of endless turning bands (15a) of the drawing portion (16) and the pair of endless turning bands (15a) are disposed below the pair of endless turning bands (15a) so that the rear part is separated from the endless turning bands (15a). And a pair of left and right guide members (48) arranged in an inclined state with respect to the upper and lower guides (A2) while guiding the lower part of the foliage (A2) between the pair of guide members (48).
2) The upper part of the root vegetable (A) pulled out from the ground by being pinched and transported by the pair of endless rotating bands (15a).
1) a transporting device (40) for transporting rearward with its upper surface abutting against the lower surface of a pair of guide members (48), and a pair of endless rotating bands (15a) of the transporting device (40); The leaf cutting device (39) is arranged between the guide member (48) and the rear portion of the root member (A1) with respect to the leaf cutting device (39) by the transfer device (40). Moreover, when it is stabilized, the root of the foliage (A2) in tension is cut by the leaf cutting device (39), so that the leaf cutting height can be made uniform and a beautiful cut surface can be finished. , It is possible to improve the commercial value.

The transport device is disposed above the leaf cutting device (39) between a pair of endless rotating bands (15a) of the transport device (40) and a pair of guide members (48). The root and leaf (A2) of the root vegetable (A1) conveyed to the rear leaf cutting device (39) by (40) is removed from the rear leaf cutting device (3).
9) an auxiliary transport device (41) for scraping is provided, and the feed speed of the auxiliary transport device (41) is reduced by the transport device (40).
The speed is set to be higher than the nipping transfer speed of the foliage (A2) by the pair of endless rotating bands (15a), and the root of the foliage (A2) is forcibly applied to the leaf cutting device (39) by the auxiliary transport device (41). Since it is sent all at once, the leaf cutting height can be prevented from becoming uneven and the cut surface can be prevented from becoming dirty, and a proper leaf cutting operation can be reliably performed.

Further, in the method for harvesting root vegetables according to the present invention, the foliage (A2) of root vegetables (A1) is formed by a pair of left and right endless rotating bands (15a) which are driven to face each other in an upwardly inclined state.
And pulling the root vegetable (A1) out of the ground, and a pair of endless rotating belts (15) in the pulling step.
a) and a pair of left and right guide members (48) disposed below the pair of endless rotating bands (15a) so as to be inclined with respect to the rear end so as to separate from the endless rotating band (15a). While the lower part of (A2) is guided and guided between the pair of guide members (48), the upper part of the foliage (A2) is pinched and transported by the pair of endless rotating bands (15a), so that the root vegetables pulled out from the ground. (A1) a transporting step of transporting rearward with the upper surface thereof abutting against the lower surfaces of the pair of guide members (48); and a pair of endless rotating bands (15) of the transporting step.
a) A leaf cutting step in which the foliage (A2) of the root vegetable (A1) is cut at the base in the latter half of the transporting step by a leaf cutting device (39) arranged between the rear part of the pair of guide members (48). And a pair of left and right endless rotating bands (15b) continuous with a pair of endless rotating bands (15a) in the drawing step and the transporting step.
And a post-conveying step of pinching and transferring the foliage (A2), whereby a series of steps from extraction of the root crops of the mulch cultivation from underground and leaf cutting to post-processing of the foliage after cutting can be mechanized. It is.

[Brief description of the drawings]

FIG. 1 is an overall side view of a walking onion harvester.

FIG. 2 is an overall plan view of a walking onion harvester.

FIG. 3 is a front view of a harvesting work unit.

FIG. 4 is a side view of a harvesting work unit.

FIG. 5 is a plan view of a harvesting work unit.

FIG. 6 is a partially enlarged view of FIG. 3;

FIG. 7 is a partially enlarged view of FIG. 4;

8 is a partially enlarged view of FIG.

FIG. 9 is a drive system diagram

[Explanation of symbols]

 (A1) Root vegetable (A2) Foliage (B1) Ridge (M) Multi-film (15a) Endless rotating band (16) Pull-out part (17) Rear transport device (39) Leaf cutting device (40) Transport device (41) Auxiliary Transfer device (48) Guide member

Continued on the front page (72) Inventor Akihito Watanabe 428 Enami, Okayama-shi, Okayama Prefecture F-term (reference) 2B072 AA03 BA02 BA21 BA30 CA12 CB03 DA02 DA12 EA01 GA00

Claims (4)

[Claims] 1. A pair of left and right endless rotating belts which are driven to face each other in an upwardly inclined state, a pulling portion for holding roots of stems and leaves and pulling the roots out of the ground, and a lower portion of the pulling portion. A harvesting machine for root crops, comprising a leaf cutting device that is arranged and cuts the roots of the root crops that have been pulled out from the ground. 2. A pair of left and right guides which are disposed below the pair of endless rotating bands so as to be inclined with respect to the rear end so as to separate from the endless rotating band below the pair of endless rotating bands. The upper part of the foliage is pinched and transported by a pair of endless rotating belts while the lower part of the foliage is guided and guided between a pair of guide members. 2. A transport device for transporting rearward while contacting the lower surface of said guide member, and said leaf cutting device is disposed between a pair of endless rotating bands of said transport device and a rear portion of said pair of guide members. Harvester for root vegetables. 3. A root and vegetable foliage that is disposed above the leaf cutting device between a pair of endless rotating bands of the conveying device and a pair of guide members, and is conveyed to the rear leaf cutting device by the conveying device. 3. A root vegetable according to claim 2, further comprising an auxiliary transport device for squeezing the leaves into the rear leaf cutting device, wherein the feed speed of the auxiliary transport device is set to be higher than the nipping transport speed of the foliage by the pair of endless rotating bands of the transport device. Kind harvester. 4. A pair of a pulling-out step in which a pair of left and right endless rotating belts which are driven to face each other in an upwardly inclined state and sandwich the roots and leaves from the ground, and a pair of pulling-out steps. A lower end of the foliage is formed by a pair of guide members arranged by an endless rotating band and a pair of left and right guide members disposed below the pair of endless rotating bands so that a rear portion thereof is inclined with respect to the endless rotating band so as to separate from the endless rotating band. By nipping and transferring the upper part of the foliage with a pair of endless rotating bands while guiding and guiding between the roots, the root vegetables pulled out from the ground are conveyed rearward with the upper surface thereof being in contact with the lower surface of the pair of guide members. A leaf cutting step of cutting the roots of foliage at the base in the latter half of the transportation step by a transportation step and a leaf cutting device arranged between the pair of endless rotating bands and the pair of guide members rear part of the transportation step. And the drawing process And a post-conveying step of nipping and transferring the foliage by a pair of left and right endless rotating bands that are continuous with the pair of endless rotating bands in the conveying step.