JP2009011248A - Device for digging out vegetable - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a device for digging out vegetables, breaking down a ridge and burying a ridge gutter, at the same time, with the digging out of the residual stems and residual roots of dug crops, to bury weeds growing in the ridge gutters and capable of recovering the residual stems and roots. <P>SOLUTION: This device for digging out the vegetables, installing left and right support members 22, 22 that rotate, by centering around a rotary shaft 23 having left and right directional postures relative to its progressing direction and also installing a multiple number of digging out bodies 27 for digging out the residual stems T of the vegetables from a field between the left and right support members 22, 22 is constituted, by installing a soil-discharge member 28, consisting of left and right screw bodies 28a, 28b for breaking the ridge and discharging the soil to the ridge gutter in the machine body outside direction from the central part of the rotary shaft 23, and also installing left and right guide members 29, 29 having a diameter larger than that of the soil-discharge member 28, for guiding the residual stems T, at multiple number of digging bodies 27. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a plant excavating apparatus for digging out residual trunks and residual roots remaining in a field after crops are harvested.

Conventionally, as a plant digging device, as shown in Patent Document 1, a rooting device provided with a plurality of rotary blades concentrically around a rotation axis is rotated to dig up a remaining trunk with the rotary blade. Things exist.
JP 2007-116927 A

  However, the plant digging apparatus described in Patent Document 1 can escape the soil and stones digged up when digging up the remaining trunk from the space between the rotary blade and the pivot shaft. Since the stone falls on the trough, it cannot fill the trough, and if the excavated remaining trunk falls into the trough, when the remaining trunk is collected using rake etc. after excavating the remaining trunk, There was a disadvantage that it would fail to collect the remaining trunk that fell.

  And since the weeds that grow in the dredging groove cannot be buried because the dredging groove is not buried, there is a disadvantage that the operator must perform the work of pulling out or burying the weed after digging up the remaining trunk. there were.

  The invention according to claim 1 is provided with left and right support members (22, 22) that rotate about a rotation axis (23) in a left-right posture with respect to the traveling direction, and a plant between the left and right support members (22, 22). In a plant excavating apparatus provided with a plurality of excavated bodies (27) for excavating the remaining trunk (T) from the field, a soil removal member (28) for discharging the soil to the trough by breaking down the dredging toward the outside of the machine body A plant excavating apparatus characterized in that is provided.

  Accordingly, while excavating the remaining trunk (T) of the plant from the field with a plurality of excavated bodies (27), the soil broken by the soil removal member (28) provided on the rotating shaft (23) is moved outward in the body direction. It can be discharged and filled in the trench.

According to a second aspect of the present invention, there is provided a plant digging apparatus according to the first aspect, wherein the earth removing member (28) is constituted by right and left spiral bodies (28a, 28b).
Accordingly, by using the left and right spiral bodies (28a, 28b) as the soil removal member (28), the left and right spiral bodies (28a, 28b) discharge the soil while placing the spiral on the outer side of the machine body while breaking down the dredging. Can be filled.

  The invention according to claim 3 is characterized in that the left and right guide members (29, 29) for guiding the remaining trunk (T) having a diameter larger than the diameter of the soil removal member (28) to the plurality of digging bodies (27). The plant excavating apparatus according to claim 1 or 2, characterized in that is provided.

  Accordingly, the left and right guide members (29, 29) can guide the remaining trunk (T) that has been dug up without hindering the discharge of the dredged soil broken by the soil removal member (28) toward the outside of the machine body. .

  According to the first aspect of the present invention, the remaining trunk (T) of the plant is dug up with a plurality of dugout bodies (27), and the soil that has broken up the dredged material with the earth discharging member (28) is discharged to the outside of the machine body. By filling the ridge, the height difference between the ridge and the ridge is reduced, so even if the excavated remaining trunk (T) falls on the ridge, the remaining trunk (T) can be collected by rake, etc. The work of manually collecting the failed remaining trunk (T) is omitted, and the labor of the operator is reduced.

  In addition, weeds that grow in the trench can be buried in the ground by filling the trench with soil, so it is possible to omit the work of pulling out or burying the weed after excavating the remaining trunk (T). As a result, the labor of the operator is reduced.

And since it becomes unnecessary to use chemical | medical agents, such as a herbicide, in order to process weeds, it can prevent having a bad influence on a farm field or the surrounding environment.
According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, the soil is removed along the spiral by discharging the soil, which has been broken by the left and right spiral bodies (28a, 28b), in the outward direction of the aircraft. Since it is surely discharged and fills the ridge, the difference in height between the ridge and the ridge is further reduced, so it becomes easier for the rake to collect the trunk (T) where the trunk (T) falls on the ridge. Therefore, the work of manually collecting the remaining trunk (T) that has failed to be collected is omitted, and the labor of the worker is reduced.

  According to the invention described in claim 3, in addition to the effects of the invention described in claims 1 and 2, the diameter of the left and right guide members (29, 29) is larger than the diameter of the soil removal member (28). The soil discharged by the soil removal member (28) passes between the soil removal member (28) and the left and right guide members (29, 29) and is discharged onto the ridges in the outer side of the machine body. 29, 29), it is possible to prevent the soil from being returned to the ridge and to fill the ridge groove with certainty.

  Further, by providing the left and right guide members (29, 29), even if the remaining trunk (T) is dug up in the left-right direction of the fuselage, the left and right guide members (29, 29) move the remaining trunk (T). Is regulated and guided to the rear of the machine body, so that the remaining trunk falls into the trough and the efficiency of the remaining trunk (T) recovery operation is improved.

  About embodiment of this invention, it attaches to working vehicles, such as a tractor, as an example, digs up the remnant trunk T of tobacco remaining in the field, and breaks up the soil after digging up the residual trunk T, and dredging the soil The remaining trunk excavation apparatus for cigarettes discharged into the groove will be described.

  As shown in FIGS. 1 to 4, the cigarette residual excavation apparatus is connected to a tractor and receives a driving force from the tractor, and a transmission portion B that transmits the driving force received from the PTO shaft of the tractor. And the excavating rotary part C that receives the driving force from the transmission part B and excavates the remaining trunk T from the field, and the support frame part D that stabilizes the posture of the remaining trunk excavating apparatus when working and when not working. Composed.

First, the structure of the connection part A is demonstrated.
One side of the universal joint 3 is attached to the PTO shaft 2 of the tractor 1, and the other side of the universal joint 3 is attached to the receiving shaft 5 of the transmission case 4. Further, left and right transmission shaft covers 6 and 6 are attached to the left and right sides of the transmission case 4, and left and right connection plates 7 and 7 are attached to the left and right transmission shaft covers 6 and 6. And the base part of the right-and-left connection frames 8 and 8 which can be rotated is attached to the front upper part of this right-and-left connection plate 7 and 7. FIG. Furthermore, the base portions of the left and right top link support arms 9 and 9 are rotatably attached to the upper portion of the transmission case 4, and the end portions of the left and right connection frames 8 and 8 are arranged at substantially the center of the left and right top link support arms 9 and 9. Install. Then, the front lower portions of the left and right connecting plates 7 and 7 are connected by the left and right lower links 10 and 10 of the tractor 1, and the left and right of the left and right top link support arms 9 and 9 are connected by the top link 11 of the tractor 1. As a result, a connecting portion A that connects the remaining trunk excavating device to the tractor 1 and receives the driving force from the tractor 1 is configured.

Next, the structure of the transmission part B is demonstrated.
A bevel gear 12 is attached to one end of the receiving shaft 5 of the transmission case 4, and a transmission shaft 13 having a bevel gear 14 that meshes with the bevel gear 12 in the transmission case 4 and the left and right transmission shaft covers 6 and 6 is rotatable. Install. A rotary transmission case 15 is attached to the left and right side ends of the left and right transmission shaft covers 6, 6, and a drive sprocket 16 that is pivotally attached to the left and right ends of the transmission shaft 13 is housed inside the rotary transmission case 15. A driven sprocket 17 is rotatably mounted on the inner lower portion of the rotary transmission case 15, and a chain 18 is wound endlessly between the driven sprocket 17 and the drive sprocket 16. Furthermore, the transmission part B is comprised by attaching the cover 19 to the outer side of the rotary transmission case 15 so that attachment or detachment is possible.

  According to the above configuration, since the rotary transmission case 15 is provided on one side of the left and right sides of the machine body, the transmission mechanism for transmitting the driving force to the rotary part C described later is simplified, so that the maintainability of the remaining trunk excavation device is improved. In addition to the improvement, the number of parts can be reduced, so that the cost can be reduced.

  In addition, by attaching the cover 19 to the outer side of the machine body of the rotary transmission case 15 so as to be detachable, it is possible to perform maintenance and replacement of the interior drive sprocket 17 and the like by simply removing the cover 19 from the outer side of the machine body, and a sufficiently wide space. Maintenance and replacement can be performed in a state where there is a problem, so that maintainability is improved.

Next, the rotary part C will be described.
A side cover 20 is attached to the left and right other ends of the left and right transmission shaft covers 6 and 6 with bolts or the like, and left and right joints 21L and 21R are attached to the side cover 20 and the lower inner side of the rotary transmission case 15. The left and right rotary support plates 22 and 22 are attached to the inner sides of the left and right joints 21L and 21R, and the rotary rotary shaft 23 is attached to the driven sprocket 17 that is provided in the rotary transmission case 15 through the left and right rotary support plates 22 and 22. And the left and right other ends of the rotary shaft 23 are attached to a bearing 24 housed in the right joint 21R on the side where the side cover 20 is provided. Further, three attachment plates 26, 26, 26 are attached to the outer peripheral edge portions of the left and right rotary support plates 22, 22 at equal intervals, and between the left and right attachment plates 26, 26, 26. The three excavating plates 27, 27, 27 for excavating the remaining trunk T from the field are fixed with bolts and attached. Further, a circular auxiliary plate 25 having substantially the same diameter as that of the left and right rotary support plates 22 and 22 is attached to the center of the rotary shaft 23 in the left and right direction of the machine body, and bolts or the like are attached from the inside of the digging plates 27, 27 and 27. Fix it. Further, the earth removing blade 28 composed of left and right spiral blades 28a and 28b for breaking the dredging at the outer peripheral edge of the rotary rotating shaft 23 and discharging the soil into the left and right troughs of the machine body is provided with an auxiliary plate 25 and left and right rotary supporting plates 22, It attaches between 22 and. Further, left and right guide plates 29 and 29 for restricting the movement of the remaining stem T, which has a larger diameter than the left and right spiral blades 28a and 28a, on the outer peripheral edge portions of the excavating plates 27, 27, 27 are bolts or the like. The rotary part C is constituted by attaching with.

  According to the above configuration, the remaining stem T of the plant is dug up by the excavating plates 27, 27, 27, and the soil broken up by the left and right spiral blades 28a, 28b is discharged to the left and right outer sides of the machine body to fill the dredging groove. As a result, since the soil is surely discharged along the spiral and fills the trench, the height difference between the trench and the trench is reduced, so even if the excavated remaining trunk T falls on the trench, the remaining trunk T is raked, etc. Therefore, the work of manually collecting the remaining trunk that has failed to be collected is omitted, and the labor of the worker is reduced.

  In addition, weeds that grow in the trench can be buried in the ground by filling the trench with soil, so that the work of drawing out or burying the weed after the excavation of the remaining trunk T can be omitted. , Labor of workers is reduced.

And since it becomes unnecessary to use chemical | medical agents, such as a herbicide, in order to process weeds, it can prevent having a bad influence on a farm field or the surrounding environment.
Furthermore, since the diameter of the left and right guide plates 29 and 29 is larger than the diameter of the left and right spiral blades 28a and 28b, the soil discharged by the left and right spiral bodies 28a and 28b is the left and right spiral bodies 28a and 28b and the left and right guide portion plates 29 and 29. And the soil is discharged onto the gutter groove in the left and right outer direction of the machine body, so that it is possible to prevent the soil from returning to the gutter by hitting the left and right guide plates 29, 29, so that the gutter groove can be filled reliably. It is possible to properly collect the remaining stem and bury the weeds.

Next, the support frame part D will be described.
A main frame 30 is attached below the transmission case 4 and between the rotary transmission case 15 and the side cover 20. The left and right side frames 31 and 31 having left and right slide rails 32 and 32 attached to the inner sides of the main frame 30 are attached to the left and right sides of the main frame 30, and the rotary transmission case 15 and the side cover 20 are connected to the outer sides of the left and right side frames 31 and 31. Is fixed with bolts. Further, an upper cover 33 for restricting the upward movement of the remaining trunk T dug up by the rotary portion C is attached to the left and right slide rails 32, 32 so as to be movable in the longitudinal direction of the body, and the left and right sides of the upper cover 33 are attached to the tip of the upper cover 33. In order to make it easy for the rotary part C to dig up the remaining trunk T across the direction, a cylindrical residual trunk pressing body 34 that pushes down the residual trunk T is attached. Further, left and right guide plates 35 and 35 for restricting the movement of the remaining trunk T in the left and right direction are attached to the lower portion of the upper cover 33.

  Then, left and right connection plates 36 and 36 are attached to the rear portions of the left and right side frames 31 and 31, and left and right bosses 37 and 37 having a plurality of holes are attached to the outer sides of the left and right machine bodies of the left and right connection plates 36 and 36, respectively. Also, left and right wheel support frames 38 and 38 having a plurality of holes are inserted into the left and right bosses 37 and 37, and the holes of the left and right wheel support frames 38 and 38 are aligned with the holes of the left and right bosses 37 and 37. In addition to fixing with bolts and nuts or the like, left and right rolling wheels 39 and 39 for supporting the remaining trunk excavation device are attached to the lower ends of the left and right rolling wheel support frames 38 and 38 by running through a trough groove.

  Further, left and right connection plates 40 and 40 are attached to the front portions of the left and right side frames 31 and 31, and left and right bosses 41 and 41 having holes formed on the outer sides of the left and right machine bodies of the left and right connection plates are attached. And the left and right bosses 41 and 41 are attached with left and right stands 42 and 42 that support the remaining trunk excavating device provided with a plurality of holes, and the left and right stands 42 and 42 and the left and right bosses 41 and 41 have holes. Is fixed with bolts and nuts or the like, thereby forming the support frame portion D.

  According to the above configuration, the upper cover 33 with the remaining stem presser 34 attached to the tip is movable in the front-rear direction along the left and right slide rails 32, 32. Can be moved to a position where it can be pushed down to the angle at which it is most likely to be dug up, so that the remaining trunk T can be dug up properly and work efficiency is improved.

  Further, when transporting or storing the remaining trunk digging apparatus, the remaining trunk digging apparatus can be made compact by moving the upper cover 33 so as to fit in the space below the main frame 30. Even if the truck to be loaded is small or the storage place is narrow, the remaining trunk excavating device can be placed.

  Since the left and right guide plates 35 are attached to the lower part of the upper cover 33, not only the upward movement of the remaining trunk T but also the lateral movement can be restricted. Since it can be reliably sent to the working area of the C excavating plates 27, 27, 27, the remaining trunk T is prevented from being caught by the main frame 30 or the upper cover 33 and stopping the remaining trunk excavating device. Work efficiency is improved. If the left and right widths of the left and right guide plates 35 and 35 are the same as the left and right widths of the left and right guide plates 29 and 29 of the rotary part C, the remaining trunk T is more reliably sent to the rotary part C and discharged to the rear part of the machine body. can do.

  Further, the height of the left and right rolling wheels 39 and 39 is changed by combining the plurality of holes provided in the left and right wheel support frames 38 and 38 and the plurality of holes provided in the left and right bosses 37. The height of the left and right rolling wheels 39, 39 can be changed in accordance with the height and the like, and the posture of the remaining trunk excavation device can be stabilized, so that the work efficiency is improved.

  Moreover, since the height of the left and right stands 42 and 42 can be adjusted by matching the holes provided in the left and right bosses 41 and 41 with the holes provided in the left and right stands 42, when removing the remaining trunk excavating device from the tractor 1. When maintaining the height of the left and right stands 42 and 42 according to the conditions of the work place, such as when performing maintenance of the remaining trunk excavation equipment, the residual excavation equipment can be prevented from collapsing and hitting the ground Therefore, the durability of the machine body is increased, and the fallen trunk excavating device can be prevented from hitting the operator and causing injury, thereby improving safety.

  Further, during excavation work, the operator easily puts the left and right stands 42 and 42 into a non-operating state by fixing the lowermost holes of the left and right stands 42 and 42 together with the holes of the left and right bosses 41 and 41. Can reduce the labor of the operator.

Hereinafter, another embodiment of the present residual trunk excavation apparatus will be described.
As shown in FIG. 5, the excavating plates 43, 43, 43 shorter than the left and right widths of the left and right spiral bodies 28 a, 28 b are attached to the auxiliary plate 25 of the rotary part C, and the excavating plates 43, 43, 43 are The left and right guide plates 29 and 29 are attached to the outer peripheral edge.

  According to the above configuration, the left and right outer portions of the left and right spiral bodies 28a and 28b are dug out and located on the outer side of the left and right outer ends of the plates 43, 43 and 43, so the left and right spiral bodies 28a and 28b Since it is prevented that the broken pit soil transported on the groove is dug and the plates 43, 43, 43 are blown away in another direction, the soil is surely discharged along the spiral to fill the ridge groove. Even if the excavated remaining trunk T falls on the trench, the remaining trunk T can be collected by rake, etc., and the work of manually collecting the remaining trunk that has failed to be collected is omitted. The labor of the worker is reduced.

  In addition, weeds that grow in the trench can be buried in the ground by filling the trench with soil, so that the work of drawing out or burying the weed after the excavation of the remaining trunk T can be omitted. , Labor of workers is reduced.

And since it becomes unnecessary to use chemical | medical agents, such as a herbicide, in order to process weeds, it can prevent having a bad influence on a farm field or the surrounding environment.
Further, as shown in FIG. 6, in the remaining trunk digging apparatus for digging the remaining trunk with the digging plates 43, 43, 43, the earth removal blade 28 is connected to the outer side of the left and right guide plates 29, 29 and the left and right rotary support plates. The left and right spiral blades 44a and 44b are substantially the same as the length between them, and the left and right spiral blades 44a and 44b are connected to the outer sides of the left and right guide plates 29 and 29 and the left and right rotary support plates 22 and 22, respectively. You may provide between.

  According to the above configuration, the excavating plates 43, 43, 43 excavate the remaining trunk remaining in the approximate center of the kite, and the left and right spiral blades 44a, 44b collapse the kite from the left and right sides to remove the soil from the left and right sides of the aircraft. By discharging onto the groove in the direction, the excavating plates 43, 43, 43 and the left and right spiral blades 44a, 44b do not interfere with each other, so that the work efficiency is improved.

As shown in FIG. 7, the earth removal blade 28 may be composed of left and right spiral blades 45 a and 45 b whose curvature is reduced so that the outer peripheral edge of the spiral is dug out and substantially parallel to the plates 27, 27 and 27. Good.
According to the above configuration, the left and right spiral blades 45a and 45b not only break down the ridges and discharge the soil onto the ridge grooves in the left and right outer sides of the machine body, but also digging plates 27, 27, 27, Since the remaining trunk T can be dug up together with 27, the remaining trunk T is dug up more reliably and the work efficiency is improved, and the work of digging up the remaining trunk is omitted, so the labor of the worker is reduced. Is done.

  As shown in FIG. 8, a rotation shaft 46 is attached to the rear end portion of the upper cover 33, and the rotation shaft 46 is attached to the left and right slide rails 32, 32 so as to be movable back and forth. The upper cover 33 may be configured to rotate in the vertical direction using the rotation shaft 46 as a rotation fulcrum at the front end portion of 32.

  According to the above configuration, if the upper cover 33 is rotated and grounded in addition to the left and right stands 42 and 42 when performing maintenance of the remaining trunk digging apparatus, the remaining trunk digging apparatus is more Because it is hard to collapse, it can prevent the remaining trunk excavating device from collapsing and hitting the ground, so the durability of the fuselage increases and the fallen residual excavating device hits the operator and causes injury Safety can be improved.

  Even if the left and right connection plates 40, 40, the left and right bosses 41, 41, and the left and right stands 42, 42 are removed, the wide upper cover 33 in the left and right direction has stability to replace the left and right stands 42, 42. The number of parts of the trunk digging apparatus can be reduced, the configuration is simplified, and the cost can be reduced.

As shown in FIG. 9, the left and right guide plates 29, 29 are provided with a plurality of left and right earthing claws 47, 47, which are bent in the outer direction of the machine body.
According to the above configuration, in addition to discharging the soil whose left and right spiral blades 28a and 28b have broken the ridge onto the ridge groove in the lateral direction of the left and right sides of the aircraft, the left and right soil throwing claws 47, 47. Since it will fly, the height difference between the trough and the trough groove can be made smaller, and even if the excavated remaining trunk T falls on the trough groove, the remaining trunk T can be collected by rake, etc. Manual collection work is omitted, and the labor of the operator is reduced.

  In addition, by increasing the amount of soil that fills the trench, weeds that grow in the trench can be buried deeper in the ground, so that weeds can be prevented from growing again from the buried trench and the field becomes weed. Can be prevented.

And since it becomes unnecessary to use chemical | medical agents, such as a herbicide, in order to process weeds, it can prevent having a bad influence on a farm field or the surrounding environment.
As shown in FIG. 10, a plurality of left and right soils bent in the outer side of the machine body inside the digging blades 27, 27, 27 and toward the opposite side of the digging action portion of the digging blades 27, 27, 27. It is good also as a structure which attaches the flying claws 48,48 ....

  According to the above configuration, the excavating blades 27, 27, 27 are excavated from the inside of the excavating blades 27, 27, 27, so that the excavating blades 27, 27, 27 are excavated by the remaining trunk. Since the dredged soil can be conveyed onto the dredging groove in the left and right outside of the aircraft, the dredging groove is filled faster and the difference in height between the dredging and dredging groove is reduced, so that the remaining trunk T is dug up on the dredging groove Since the remaining trunk T can be collected by rake or the like even if it falls, the work of manually collecting the remaining trunk that has failed to be collected is omitted, and the labor of the operator is reduced.

  In addition, weeds that grow in the trench can be buried in the ground by filling the trench with soil, so that the work of drawing out or burying the weed after the excavation of the remaining trunk T can be omitted. , Labor of workers is reduced.

And since it becomes unnecessary to use chemical | medical agents, such as a herbicide, in order to process weeds, it can prevent having a bad influence on a farm field or the surrounding environment.
Further, the excavation of the remaining trunk of the cigarette is performed by extending the bent portions of the plurality of left and right soil blow-off claws 48, 48... From the opposite side of the excavating action portion of the excavating blades 27, 27, 27. Since it is performed only with the sword blades 27, 27, 27, the digging performance does not deteriorate and the digging work can be performed efficiently.

  It should be noted that by attaching a plurality of left and right soil removal claws 48, 48... If unnecessary, if the left and right soil removal claws 48, 48. 48... Can be prevented from being worn unnecessarily, and the soil blowing effect can be maintained. Also, even when it is not desired to drop the trunk on the ridge because water has accumulated in the ridge, as shown in FIG. 11, the bent portions of the left and right soil throwing claws 48, 48. Since the left and right soil-clawing claws 48, 48... Swell on the ridge, the remaining trunk can be prevented from falling from the ridge to the ridge groove.

Side view of a tractor equipped with a remaining trunk excavator Side view of remaining trunk excavation equipment Rear view of remaining trunk excavator Transmission mechanism diagram of the remaining trunk excavator Rear view of the residual excavation equipment with the excavated plate shortened Rear view of the residual excavation equipment with a changed spiral arrangement Rear view of a residual excavator with a changed curvature of the spiral Rear view of the remaining excavation equipment where the upper cover also serves as a stand Partial enlarged view of the remaining trunk excavation equipment with a guide plate attached with earthing nails Partial enlarged view of the residual excavation equipment with the earthing claw attached to the excavation board Partial enlarged view of the residual excavation equipment with the earthing claw attached to the excavation board

Explanation of symbols

22 Rotary support plate (support member)
23 Rotary axis of rotation (Rotation axis)
27 digging board (digging body)
28 Earth removal blade (earth removal material)
28a spiral body 28b spiral body 29 guide member

Claims (3)

  Left and right support members (22, 22) that rotate about the rotation axis (23) in the left-right direction with respect to the traveling direction are provided, and a plant trunk (T) is placed between the left and right support members (22, 22). A plant excavation apparatus provided with a plurality of excavation bodies (27) for excavating from a farm field, characterized in that a soil removal member (28) is provided for collapsing the dredging toward the outside of the machine body and discharging the soil to the trough. Plant digging equipment.   The plant excavation device according to claim 1, wherein the soil removal member (28) is composed of right and left spiral bodies (28a, 28b).   The left and right guide members (29, 29) for guiding the remaining trunk (T) having a diameter larger than the diameter of the soil removal member (28) to the plurality of excavated bodies (27) are provided. The plant excavation apparatus according to claim 1 and 2.

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