JP2000342035A - Digging machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a digging machine effective for delivering a farm crop A from the forwarding-side transfer face 4 to the surface of a ridge B while surely preventing the rolling down of the farm crop into a groove C, or the like, surely collecting the farm crop A on the surface of the ridge B in a state to enable sure picking of the crop A and improving the drying efficiency of the crop A on the ground. SOLUTION: This digger is provided with a crop digging member 3 and a conveyor 6 having an endless circulation member 5 for transporting a farm crop A on the forwarding-side transfer face 4 while shaking off the soil attached to the crop. The farm crop A is delivered from the forwarding-side transfer face 4 of the conveyor 6 to the ridge B after the digging of the crop A. The digger is further provided with a farm crop holding part 8 placed behind the conveyor 6 at both sides of the ridge B after the digging work and holding the farm crop A on the ridge B after transferring the crop A to the ridge and with a farm crop guiding part 9 positioned above the farm crop holding part 8 and guiding the crop A falling upon a crop held on the ridge B with the farm crop holding part 8 toward the lateral center of the ridge B.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to, for example, onions,
The present invention relates to an excavator for excavating agricultural products such as potatoes and sweet potatoes.

[0002]

2. Description of the Related Art Conventionally, as an excavator of this type, for example, a configuration described in Japanese Utility Model Registration No. 2590486 is known. The configuration described in this publication is provided with an agricultural excavation body for excavating agricultural products, and has an endless revolving body that conveys the agricultural products excavated by the agricultural excavation body on the outward transportation surface while sifting the soil. A conveyor is provided, and the agricultural product is carried out from the transport surface on the forward path side of the conveyor onto the ridge after the agricultural product is dug.

[0003]

According to the configuration described in the above publication, when the agricultural product is carried out from the transport surface on the forward side of the conveyor onto the surface of the ridge after excavation of the agricultural product, the ridge is removed from the surface of the ridge. Agricultural products are likely to roll down on the furrows adjacent to the furrows and ridges.When the tractor is used to pick up agricultural products by using a tractor to pick up produce on the ridge surface, pick up the agricultural products that have fallen from the ridge surface. There is a problem that the tractor tires can trample agricultural products.

[0004] Therefore, it is conceivable to arrange guide side plates for guiding agricultural products on the ridge on both sides of the ridge width, which are located behind the conveyor. In this configuration, agricultural products carried out on the ridges by the guide side plates are considered. When it is in a state of overlapping vertically,
When this guide side plate passes, the upper agricultural product is likely to roll down from the lower agricultural product on the ridge groove or the ridge side adjacent to the ridge, and the upper agricultural product is shifted from the lower agricultural product in the width direction of the ridge. When rolling down to the center side, there is a problem that the agricultural product on the upper side may push the agricultural product on the lower side toward the furrow and the agricultural product on the lower side may roll down into the furrow.

The present invention has been made in view of such a point, and the agricultural products to be carried out from the outgoing side transport surface of the conveyor onto the ridge after the excavation of the agricultural products are removed from the ridges or the ridges adjacent to the ridges. Can be reliably prevented from rolling down, and the agricultural products dug out by the agricultural excavation body can be reliably collected, so that the agricultural products can be reliably collected on the ridges, and the effect of drying the agricultural products on the ground can be improved. It is intended to provide an excavator.

[0006]

According to a first aspect of the present invention, there is provided an excavator for digging an agricultural product, and a transport surface on an outbound side while sifting soil from the agricultural product dug by the agricultural product. A conveyer having an endless revolving body to be conveyed by a conveyer, and a digging machine that conveys the agricultural product from the forward-side conveying surface of the conveyor onto a ridge after the digging of the agricultural product, and is disposed behind the conveyor. Agricultural product holding sections for holding agricultural products carried on the ridges on both sides of the ridge width after excavation of agricultural products, and the agricultural product holding sections respectively disposed above and above the agricultural product holding sections on both sides. And an agricultural product guide portion for guiding agricultural products falling on agricultural products held on the ridges at the center toward the center in the width direction of the ridges.

[0007] Agricultural products are sequentially excavated by the agricultural product excavating body, and the agricultural products are sequentially loaded from the agricultural product excavating body onto the forward side transport surface of the endless revolving body of the conveyor.
Agricultural products are sequentially conveyed toward the unloading section while sifting the soil on the outgoing side transport surface, and the agricultural products are sequentially carried out from the outgoing side transport surface onto the ridges after excavation of the agricultural products.

Agricultural products carried out on the ridge from the forward-side transport surface are successively held on the ridge by the agricultural product holding portions arranged on both sides of the ridge width after the excavation of the agricultural product. It is prevented from falling into the groove.

[0009] Further, the agricultural products falling on the agricultural products held on the ridges in the agricultural product holding portion are directed toward the center in the width direction of the ridges in the agricultural product guide portion arranged above the agricultural product holding portion. Guided, these agricultural products are dropped on the ridge at the center in the width direction of the ridge. Therefore, these agricultural products are prevented from overlapping one another on both sides of the ridge width.

When the agricultural product falls on the surface of the ridge at the center in the width direction of the ridge from the agricultural product held by the agricultural product holding unit, the agricultural product held on the ridge by the agricultural product is moved toward the furrow. Even if the agricultural product is pushed toward the ridge, the agricultural product to be pushed is held on the ridge by the agricultural product holding portion, so that the agricultural product is reliably prevented from dropping into the ridge groove.

Therefore, the agricultural products dug by the agricultural product excavating body can be reliably collected on the ridge in a state where the agricultural products can be reliably picked up, and the effect of drying the agricultural products on the ground can be improved.

According to a second aspect of the present invention, there is provided the excavator according to the first aspect, wherein the agricultural product holding portion is provided so as to be vertically movable in accordance with the height of the ridge.

Even if the height of the ridge changes, the agricultural product holding portion moves up and down according to the height of the ridge, and the agricultural product is securely held on the ridge by the agricultural product holding portion. This agricultural product is reliably prevented from falling into the furrow.

According to a third aspect of the present invention, there is provided the excavator according to the first or second aspect, wherein the agricultural product holding portion is formed of a bar-shaped member having a longitudinal direction in the traveling direction of the excavator and arranged vertically. It was formed.

[0015] A holding portion having a longitudinal direction in the traveling direction of the excavator is formed by the vertically arranged rod-like members. The produce is retained on the surface of the ridge, and the produce is more reliably prevented from falling into the furrow.

According to a fourth aspect of the present invention, there is provided the excavator according to the first aspect, wherein the agricultural product guide portion is located above the upper surface of the lower agricultural product in a state of being vertically overlapped on the ridge and having a lower end. It is formed by a guide protruding piece that is inclined so that its side protrudes toward the center in the width direction of the ridge.

[0017] Then, the agricultural product carried upward from the lower agricultural product while being vertically overlapped with each other is surely guided toward the center in the width direction of the ridge by the guide protruding piece. Drops securely on the ridge at the center in the width direction.

Further, since the guide projection is formed above the upper surface of the lower agricultural product, when the upper agricultural product is guided toward the center of the ridge by the guide projection, the lower side of the guide projection is used. This prevents the agricultural products on the side from moving toward the center in the width direction of the ridge.

According to a fifth aspect of the present invention, there is provided the excavator according to the first or fourth aspect, wherein the agricultural product guiding portion is located at a lower end of the guide side plate disposed on both sides above the agricultural product holding portion. Respectively.

The agricultural products carried out from the forward-side transport surface to both sides of the ridge width are guided toward the ridges by the guide side plates, and the agricultural products carried out from the outward-side transport surface do not fall into the ridges. The agricultural products carried out on the ridges are sequentially held on the ridges in the agricultural product holding section, and these agricultural products are prevented from falling into the ridges and grooves.

In addition, the agricultural product guided by the guide side plate and dropped on the agricultural product held on the ridge in the agricultural product holding portion is formed at the lower end portion of the guide side plate at the center in the width direction of the ridge. The agricultural products are guided toward the ridge and fall on the surface of the ridge at the center in the width direction of the ridge.

[0022]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

In FIGS. 1 and 2, reference numeral 1 denotes a digging machine. The digging machine 1 includes a machine body 2, an agricultural digging body 3 for digging an agricultural product A, and a digging machine for the agricultural digging body 3. A conveyor 6 having an endless revolving body 5 for transporting the obtained agricultural products A on the outward transportation surface 4 while sifting the soil, and a grounding body 7, and excavating the agricultural products A from the outward transportation surface 4 of the conveyor 6. The agricultural product A is to be carried out onto the later ridge B.

In the excavator 1, the excavator 1 is disposed on the ridge B at both sides of the ridge width of the ridge B after the agricultural product A has been dug and is disposed behind the conveyor 6. Product holding part 8 for holding the agricultural product A carried out on the ridge B, and the agricultural product holding part 8 is disposed above the agricultural product holding part 8 on both sides thereof and held on the ridge B by the agricultural product holding part 8. An agricultural product guide 9 is provided for guiding the agricultural product A falling on the agricultural product A toward the center in the width direction of the ridge B.

The machine body 2 has a pipe-shaped main frame 11 having a longitudinal direction in the left-right direction with respect to the traveling direction of the excavator 1. Conveyor frame side plate 12 with longitudinal direction
Are fixed relative to each other. Lower arms 13 are fixed to both sides of the main frame 11 so as to protrude forward and downward, respectively, and lower pins 14 are fixed to the distal ends of the lower arms 13, respectively.

A top arm 15 is fixed to an intermediate portion of the main frame 11 so as to protrude forward and upward,
A connecting pin 16 is removably inserted into the tip of the top arm 15. The excavator 1 is connected to the three-point connecting mechanism of the tractor by the lower pins 14 of the lower arms 13 on both sides and the connecting pins 16 of the top arm 15.

Further, a mission device 17 is fixed to an intermediate lower portion of the main frame 11, and the mission device 17
A transmission case 18 is fixed to an intermediate lower portion of the main frame 11, and an input shaft 19 is rotatably provided on the transmission case 18 with a front end portion protruding forward. A bevel gear 20 is fixed to an end.

An inner end of an output shaft 22 rotatably supported in the transmission pipe 21 is projected from the transmission case 18, and a bevel gear 23 meshed with the bevel gear 20 is formed on the inner end of the output shaft 22. Has been fixed. The transmission pipe 21
Is the lower arm 13 on one side in parallel with the main frame 11.
The outer end of the output shaft 22 fixed by the rear end and the one side plate 12 and rotatably supported in the transmission pipe 21 extends outward from the one side plate 12. It is protruding. 24 is a cover for the input shaft 19.

Next, as shown in FIGS. 1 and 2, the agricultural product excavating body 3 is formed by an excavating blade 25 having a longitudinal direction in the left-right direction with respect to the traveling direction of the excavating machine 1. Have been. The digging blade 25 has support pieces 26 fixed to both ends thereof, and the support pieces 26 are fixed to both ends of the main frame 11 in a state where the digging blade 25 is inclined forward and downward. Each of the side plates 12 is fixed to a lower end on the front side.

The excavating blade of the agricultural excavating body 3
Agricultural products A dug out at 25 are carried from the excavating blades 25 to the forward-side transport surface 4 of the endless revolving body 5 of the conveyor 6.

The excavating blade 25 is located between the rear end of the excavating blade 25 and the upper surface of the forward path side transport surface 4 on the excavating blade 25 side.
A small step and a gap are formed by raising the digging blade 25 side of the forward-side transfer surface 4 so that soil is not sent as much as possible onto the forward-side transfer surface 4. Then, the soil is crushed on the surface on the side of the excavating blade 25 of the forward side transport surface 4 and falls on the ridge B from the gap.

Next, the conveyor 6 is shown in FIGS.
As shown in the figure, a driven wheel rotatably supported by a support shaft 27 at a front lower end of the side plate 12 fixed to both ends of the main frame 11 at a position behind the excavating blade 25. 28
A drive shaft 30 fixed to both ends of the driven wheel 28 opposite to the driven wheels 28 and rotatably supported at the upper rear end of the side plate 12; the driven wheels 28 and the drive wheels 29; And the endless revolving body 5 hung between them.

As shown in FIG. 2, the endless revolving body 5 is disposed opposite to both ends so as to be hung between the front and rear driven wheels 28 and the driving wheels 29, respectively. The endless belts 31 are connected to each other, and the transport rods 32 are rotatably mounted side by side on the endless belts 31 so as to be rotatable at intervals so as to convey the agricultural products A and to remove the soil.

A gap for sieving only soil is formed between the folded portion of the endless revolving body 5 folded by the driven wheel 28 and the rear end of the excavating blade 25. And
The agricultural product A is carried from the excavating blade 25 to the forward side transport surface 4 of the endless revolving body 5.

In the endless revolving body 5, the side of the driven wheel 28 that is turned back and moved toward the drive wheel 29 between the driven wheel 28 and the drive wheel 29 is the forward side transport surface. It is 4.

Next, as shown in FIGS. 1 and 2, a transmission case 33 having a longitudinal direction in the front-rear direction is fixed to the one side plate 12, and the output shaft 22 is provided in the front end of the transmission case 33. The outer end of the output shaft 22 is rotatably projected, and a pulley 34 is fixed to the outer end of the output shaft 22.

The outer end of the drive shaft 30 of the conveyor 6 is rotatably projected into the rear end of the transmission case 33,
A pulley 35 is fixed to the outer end of the drive shaft 30, and an endless belt 36 is looped between the pulley 35 and the pulley 34. Then, by the rotation of the output shaft 22, the drive shaft 30 is rotationally driven via the pulleys 34 and 35 and the endless belt 36,
The drive shaft 30 causes the endless revolving body 5 to reciprocate in the direction of the arrow in FIG.

Next, as shown in FIGS. 1 and 3, the grounding body 7 is formed of a sled body 37 having a longitudinal direction in the traveling direction of the excavator 1. The front end of the sled body 37 is rotatably supported on the lower end of the both side plates 12 by a support shaft 38, respectively, and the lower end of a support post 40 by a support shaft 39 on the rear end side of the sled body 37. Are rotatably supported, and these columns 40 are inserted into holders 41 fixed to the side plates 12 so as to be vertically adjustable. Predetermined positions of these columns 40 are connected to and supported by the holder 41 by connection pins 42.

Next, a guide 43 for guiding the agricultural product A is provided on the ridge A after the agricultural product A has been dug, located behind the conveyor 6. As shown in FIGS. 1 and 2, the guide body 43 includes guide side plates 46 disposed on both sides of the ridge B width, and a rear guide plate 47 fixed between the rear ends of the guide side plates 46. A distributing body 48 disposed horizontally at the lower end of the intermediate portion of the rear guide plate 47 and having a longitudinal direction in the front-rear direction.
And

As shown in FIGS. 2 and 4, the guide side plates 46 on both sides are arranged substantially vertically in a state of being expanded and inclined in the traveling direction of the digging machine 1. The guide side plates 46 are respectively supported on the rear end sides of the side plates 12 by support arms 45 projecting forward from the guide side plates 46.

The rear guide plate 47 is, as shown in FIG.
The lower end is fixed between the rear end portions of the guide side plates 46 on both sides in such a manner that the lower end protrudes toward the conveyor 6 side. A cushioning material 49 such as a rubber plate is disposed on the inner surfaces of the guide side plate 46 and the rear guide plate 47.
49 is fixed to the inner surfaces of the guide side plate 46 and the rear guide plate 47.

The lower end of the intermediate portion of the rear guide plate 47 is formed by the guide side plates 46 disposed on both sides of the ridge B width and the rear guide plate 47 fixed between the rear ends of the guide side plates 46. The guide 43 on which the distributing body 48 is arranged is formed in a substantially U-shape in plan view with the agricultural product discharge side of the conveyor 6 opened.

As shown in FIG. 2, the distributing member 48 is supported by a distributing member supporting mechanism 50 provided between the lower end portions on the rear end sides of the both side plates 12. The distributing body support mechanism 50
Is a support frame 51 having a longitudinal direction in the left-right direction, and a support protrusion fixed to an intermediate portion of the support frame 51 so as to project rearward.
52.

The both ends of the support frame 51 are fixed between the lower end portions on the rear end sides of the side plates 12, and the distribution is distributed to the support projections 52 fixed to the intermediate portion of the support frame 51. The body 48 is supported horizontally. The rear end upper surface of the distributing body 48 is in contact with the lower end of the intermediate portion of the rear guide plate 47 in a state of being fitted from below.

As shown in FIG. 4, the distributing member 48 is
As shown in FIGS. 2 and 4, the distribution member 53 is formed by a distribution member 53 having a substantially mountain-shaped cross section. Each has a portion 54.

Next, the agricultural product holding portions 8 on both sides are positioned below the guide side plates 46 on both sides of the guide body 43 and support the sled body 37 by the link mechanism 44, and the height of the ridge B is increased. They are provided so as to be able to move up and down in accordance with the degree. As shown in FIGS. 1 to 3, the agricultural product holding parts 8 on both sides are each formed of bar-shaped members 55 having a longitudinal direction in the traveling direction of the excavator 1 and arranged vertically.

Further, a plurality of the bar-shaped members 55 on both sides are arranged at predetermined intervals in the vertical direction.
Of the 55, the rod-shaped member 55 at the upper end is the rod-shaped member at the upper end.
It is arranged in a state that it protrudes from the bar-like member 55 below the ridge toward the center in the width direction of the ridge. Then, the agricultural products A carried out on the ridges B on both sides of the width of the ridges B after excavation of the agricultural products A are held on the ridges B by the upper and lower rod members 55.

Further, one end of each of the rod-like members 55 has a movable frame.
It is fixed to 56 respectively. The movable frame 56 has opposed side plate portions 57 and is formed in a U-shape in plan view. One end of each of the rod members 55 is fixed to the side plate portion 57 of the movable frame 56. Each of the bar members 55 is formed of a round bar, and the peripheral surface of each of the bar members 55 is covered with a cushioning material that buffers an impact on the agricultural product A.

Further, a fixed frame 58 is fixed to the column 40. The fixed frame 58 is a rectangular fixed plate 59 fixed to the support column 40, and a hollow cylindrical shaft support fixed vertically on the rear end side of the fixed plate 59 and having a longitudinal direction in the left-right direction. 60, and a support shaft 61 inserted into the upper and lower shaft supports 60, respectively.

The link mechanism 44 is fixed to the fixed frame 58.
The rod members 55 of the agricultural product holding part 8 are supported by the movable frame 56 so as to be vertically movable in accordance with the height of the ridge B.

The link mechanism 44, as shown in FIG.
The movable frame 56 and the fixed frame 58 have upper and lower links 62 disposed in parallel on both sides of the movable frame 56 and having a longitudinal direction in the front-rear direction. One end of each of the upper and lower links 62 is rotatably supported by both ends of a support shaft 61 inserted into the upper and lower shaft supports 60 of the fixed frame 58, respectively. Are rotatably supported on upper and lower sides of both side plate portions 57 of the movable frame 56 by support shafts 61, respectively.

Next, as shown in FIGS. 1 and 4, the agricultural product guides 9 on both sides are located above the agricultural product holding portions 8 on both sides and provided on both sides of the guide body 43. It is formed at the lower end of the side plate 46, respectively. Then, the agricultural product guides 9 on both sides are positioned above the upper surface of the lower agricultural product A in a state of being vertically overlapped on the ridge B and projecting the lower end toward the center in the width direction of the ridge B. Each of the guide projections 63 is formed with an inclined guide projection 63.

The guide projections 63 on both sides are bent at the lower end of the guide side plate 46 so as to protrude from the guide side plate 46 toward the center in the width direction of the ridge B, and are inclined and formed integrally. The shock-absorbing material 49 for shock-absorbing is fixed to the inner surfaces of the guide projections 63.

Next, the operation of the above embodiment will be described.

The lower pin 14 of the lower arm 13 on both sides of the digger 1 and the connecting pin 16 of the top arm 15 are connected to the three-point connecting portion of the tractor 1, respectively, and the digger 1 is connected to the PTO shaft of the tractor via a power transmission shaft. The input shaft 19 of the mission device 17 is connected. If necessary, the grounding bodies 7 on both sides of the excavator 1
The sled body 37 is moved up and down to adjust the depth of the agricultural product excavating body 3 for excavating agricultural products.

When the digging machine 1 is towed by the tractor and is advanced, and the input shaft 19 of the transmission device 17 is rotated by the PTO shaft of the tractor via the power transmission shaft, the input shaft is
At 19, the output shaft 22 is rotated via bevel gears 20 and 23,
With the rotation of the output shaft 22, the drive shaft 30 of the conveyor 6 is rotationally driven via the pulleys 34 and 35 and the endless belt 36, and the endless revolving body 5 of the conveyor 6 is rotated by the drive shaft 30. The forward-side transport surface 4 of the traveling body 5 is moved backward with respect to the traveling direction of the excavator 1.

Then, as shown in FIG. 5, agricultural products A such as onions and potatoes are sequentially dug by the excavating blade 25 of the agricultural excavating body 3, and the endless revolving of the conveyor 6 is performed from the excavating blade 25. Agricultural products A are sequentially carried in on the forward-side transport surface 4 of the body 5.

At this time, between the rear end of the excavating blade 25 and the upper surface of the outgoing-side transport surface 4 on the excavating blade 25 side, soil is sent from the excavating blade 25 onto the outward-side transport surface 4 as much as possible. There is formed a slight step and a gap in which the digging blade 25 side of the forward path side transport surface 4 is raised so that there is no digging blade 25 on the surface of the forward path side transport surface 4 on the digging blade 25 side. The excavated soil is crushed, and these soils are removed from the gap between the rear end of the excavating blade 25 and the upper surface on the excavating blade 25 side of the forward side transport surface 4 after the ridge B after excavating the agricultural product. Therefore, the amount of soil sent from the digging blade 25 onto the forward-side transport surface 4 is reduced.

When the agricultural products A are sequentially conveyed on the forward-side transport surface 4, the agricultural products A are sequentially sifted off the transport rods 32 of the forward-side transport surface 4 while sifting the soil from between the transport rods 32. The agricultural products A are transported toward the carry-out section, and are sequentially transported from the forward-side transport surface 4 to the ridges B where the agricultural products A have been dug.

At this time, the guide body 43 provided at the rear of the conveyor 6 is formed by the guide side plates 46 arranged on both sides of the ridge B and the rear side guide plate 47 between the rear ends of the guide side plates 46. Since it is formed in a substantially U-shape in plan view with the six sides opened, the agricultural products A carried out from the forward-side transport surface 4 by the guide side plates 46 and the rear guide plates 47 on both sides of the ridge width are surely produced.
Are sequentially carried out on the ridge B after excavation.

Further, even if the agricultural product A carried out from the forward side transport surface 4 abuts on the guide side plate 46 and / or the rear side guide plate 47 arranged on both sides of the ridge B, the guide side plate 46 and Damage to the agricultural product A can be reliably prevented by the cushioning material 49 fixed inside the rear guide plate 47.

Further, as shown in FIG.
The two distribution plate portions 54 of the distribution body 48 supported by 50 and arranged in a state fitted on the lower surface of the intermediate portion of the rear guide plate 47 of the guide body 43
The agricultural products A carried out on the surface of the ridge B after the excavation of the agricultural products A are sorted to both sides, and the central part of the ridge after passing the sorting body 48 picks up the tractor or the agricultural products A where the agricultural products A do not exist. It serves as a traveling section for traveling tires of the working machine and a walking section for workers.

Also, the agricultural products transported onto the ridge B from the forward side transport surface 4 by the rod-shaped members 55 of the agricultural product holding portion 8 disposed on both sides of the width of the ridge B after the excavation of the agricultural product A. A is held on the ridge B, and these agricultural products A are prevented from falling into the ridge C.

Further, the rod-like members 55 of the agricultural product holding portions 8 on both sides are provided.
Agricultural products A falling on agricultural products A held on ridges B at
Are located above the bar-shaped members 55 of the agricultural product holding portions 8 on both sides, and the ridges B are provided on the guide protrusions 63 of the agricultural product guide portions 9 on both sides.
And the agricultural products A are dropped on the ridge B at the center in the width direction of the ridge B. Therefore,
These agricultural products A are prevented from vertically overlapping on both sides of the ridge B width.

Also, the guide projections 63 of the agricultural product guides 9 on both sides.
When the agricultural product A is guided toward the center in the width direction of the ridge B, the agricultural product A is reliably prevented from being damaged by the cushioning material 49 fixed to the inside of the guide projection 63.

Further, the rod-like members 55 of the agricultural product holding portions 8 on both sides are provided.
When the agricultural product A falls from the agricultural product A held on the ridge B at the center in the width direction of the ridge B, the agricultural product A
Even if the agricultural product A held above is pushed to the ridge C side, the pushed agricultural product A is held on the ridge B by the rod-shaped members 55 of the agricultural product holding portions 8 on both sides. Therefore, the agricultural product A is reliably prevented from dropping into the furrow C.

Therefore, the agricultural products A are prevented from overlapping vertically on both sides of the ridge B width, and the agricultural products A dug by the excavating blade 25 of the agricultural excavating body 3 can be reliably picked up. The agricultural products A can be reliably collected on the ridges B, and the effect of drying the agricultural products A on the ground can be improved.

When the agricultural products A are held on the ridge B by the agricultural product holding portions 8 on both sides of the ridge B width, the agricultural product holding portions 8 on both sides are vertically moved by the link mechanism 44 in accordance with the height of the ridge B. By being provided movably, even if the height of the ridge B changes, the agricultural product holding part 8 moves up and down in accordance with the height of the ridge B, and moves forward. The agricultural product A is securely held on B, and the agricultural product A is reliably prevented from falling into the ridge C.

The agricultural product holding portion 8 is formed by the vertically arranged rod-shaped members 55 having a longitudinal direction in the traveling direction of the excavator 1, so that the agricultural products holding portion 8 is excavated by the vertically-arranged rod-shaped members 55. A holding portion having a longitudinal direction in the traveling direction of the take-off machine 1 is formed, and the agricultural product A is securely held on the ridge B by the holding portion while the longitudinal holding portion of the rod-shaped member 55 advances. The agricultural product A is more reliably prevented from falling into the furrow C.

Further, when the agricultural products A are held by the vertically arranged bar-shaped members 55, the contact of the holding portion that comes into contact with the agricultural products A is small, so that the skin of the agricultural products A is prevented from being damaged.

The agricultural product guides 9 on both sides are positioned above the upper surface of the lower agricultural product A in a state of being vertically overlapped on the ridge B and projecting at the lower end toward the center in the width direction of the ridge B. By forming the guide projecting piece 63 inclined in the inclined state, the agricultural product A to be carried out from the lower agricultural product A to the upper side in the state of being vertically overlapped by the guide projecting piece 63 at the center in the width direction of the ridge B. The agricultural product A on the upper side is smoothly and reliably dropped onto the ridge B at the center in the width direction of the ridge B.

Further, since the guide protrusion 63 is formed above the upper surface of the lower agricultural product A, the upper agricultural product A is moved toward the center of the ridge B in the width direction by the guide protrusion 63. When guided toward, the lower agricultural product A is prevented from moving toward the center in the width direction of the ridge B.

Therefore, it is possible to reliably collect the agricultural products A on the ridge B in a state where the agricultural products A dug by the agricultural product excavating body 3 can be reliably picked up. Since the upper and lower sides do not overlap each other, the effect of drying the agricultural products A on the ground can be improved.

When the tractor lifts the agricultural product A by using the tractor and picks up the dried agricultural product A on the ridge B, the agricultural product A rolled down from the ridge B into the ridge groove C on which the tractor tire runs. Does not exist, the agricultural product A is not stepped on with the tire of the tractor, and the agricultural product A picked up on the ridge B is reliably picked up by the pick-up machine for the agricultural product A.

Next, in the above-described embodiment, a case has been described in which the distributing body 48 for distributing the agricultural products A carried out from the forward side transport surface 4 to both sides of the center of the ridge is provided. Guide side plates arranged on both sides of ridge B width
Agricultural products A carried out from the forward side transport surface 4 by the 46 and the rear guide plate 47 may be carried out on the ridge B.

Next, in the above-described embodiment, the case where the agricultural product holding portion 8 is provided on the fixed frame 58 fixed to the support 40 of the sled body 37 by the link mechanism 44 so as to be able to move up and down in accordance with the height of the ridge B. However, the present invention is not limited to this, and the agricultural product holding unit 8 may be provided on the guide side plates 46 on both sides of the guide body 43 by the link mechanism 44 so as to be vertically movable in accordance with the height of the ridge B.

[0077]

According to the first aspect of the present invention, agricultural products carried out from the conveyor surface on the outbound side to the surface of the ridge after excavation of agricultural products roll down to the ridge groove or the ridge side adjacent to the ridge. To ensure that the agricultural products are collected on the surface of the ridge in a state where the agricultural products excavated by the agricultural excavation body can be reliably picked up, thereby improving the drying effect of the agricultural products. Can be.

According to the second aspect of the present invention, in addition to the effects of the first aspect, even if the height of the ridge changes, the agricultural product holding portion can move up and down reliably in accordance with the height of the ridge. It is possible to reliably prevent the agricultural product on the ridge from falling into the ridge and groove by the agricultural product holding.

According to the third aspect of the present invention, in addition to the effects of the first or second aspect, a holding portion having a longitudinal direction in the traveling direction of the excavator can be formed by the vertically arranged rod-shaped members. ,
Agricultural products can be securely held on the ridges by the holding portions in the longitudinal direction of the rod-shaped member, and the agricultural products can be more reliably prevented from falling into the ridges and grooves. Further, the configuration for preventing the agricultural product from falling into the furrow is simple.

According to the fourth aspect of the present invention, in addition to the effect of the first aspect, the upper agricultural product from the lower agricultural product is vertically overlapped with the guide projecting piece at the center in the width direction of the ridge in a state of being vertically overlapped. The agricultural product on the upper side can be reliably dropped on the ridge at the center in the width direction of the ridge. Further, when the upper agricultural product is guided toward the center in the width direction of the ridge by the guide projection, it is possible to reliably prevent the lower agricultural product from moving toward the center in the width direction of the ridge. Therefore, the effect of drying agricultural products on the ground can be improved. In addition, the structure for guiding the upper agricultural product toward the center in the width direction of the ridge is simple.

According to the invention of claim 5, in addition to the effect of the invention of claim 1 or 4, in addition to the above, the agricultural products carried out from the forward side transport surface to both sides of the ridge width are surely guided toward the ridge by the guide side plate. Agricultural products that can be guided and can be prevented from dropping into the furrows from the outgoing side transport surface can be prevented from falling into the furrows, the agricultural products carried out on the furrows at the agricultural product holding unit can be held on the furrows, and the agricultural products fall into the furrows. Can be prevented.

Further, the agricultural product guided by the guide side plate on the agricultural product held on the ridge in the agricultural product holding unit can be guided toward the center of the ridge in the width direction by the agricultural product guide unit. Can be dropped on the ridge at the center in the width direction of the ridge.

Therefore, the agricultural products dug by the agricultural excavator can be reliably collected on the ridge so that the agricultural products excavated by the agricultural excavator can be reliably picked up. Agricultural products can be more reliably collected on the ridge in a state where they can be picked up, and the effect of drying the agricultural products on the ground can be improved.

[Brief description of the drawings]

FIG. 1 is a side view of an excavator showing one embodiment of the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is a perspective view showing a link mechanism that supports the agricultural product fall prevention unit.

FIG. 4 is an explanatory view showing a state in which agricultural products are dispersed on the surface of the upper ridge.

FIG. 5 is a plan view of the excavator showing a state in which the agricultural product is transported and the agricultural product is carried out on the surface of the ridge.

[Explanation of symbols]

 3 Agricultural product excavation body 4 Outbound side transport surface 5 Endless revolving body 6 Conveyor 8 Agricultural product holding unit 9 Agricultural product guide unit 46 Guide side plate 55 Bar-shaped member 63 Guide protrusion A A agricultural product B ridge

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Hirofumi Hoshihara 5155 Shiokawa, Oji, Maruko-cho, Nagano Pref. Co., Ltd. F-term (reference) 2B072 AA01 AA02 AA03 BA03 CA11 EA01

Claims (5)

[Claims] Claims: 1. An agricultural product excavating body for excavating agricultural products, and a conveyor having an endless revolving body that conveys agricultural products excavated by the agricultural product excavating body on an outbound-side transportation surface while sifting soil, In a digging machine that carries out agricultural products from the forward side transport surface of the conveyor onto the ridge after excavation of the agricultural products, the excavator is disposed behind the conveyor, and the ridges are provided on both sides of the ridge width after the excavation of the agricultural products. An agricultural product holding part for holding the agricultural products carried out on the ridges, and the agricultural product holding parts on both sides are disposed above the agricultural product holding parts, and are dropped on the agricultural products held on the ridges at the agricultural product holding parts. An excavator, comprising: an agricultural product guide for guiding agricultural products toward the center of the ridge in the width direction. 2. The excavator according to claim 1, wherein the agricultural product holding section is provided so as to be vertically movable in accordance with the height of the ridge. 3. The excavator according to claim 1, wherein the agricultural product holding portion is formed of bar-shaped members having a longitudinal direction in the traveling direction of the excavator and arranged vertically. 4. The agricultural product guide portion is located above the upper surface of the lower agricultural product in a state where the agricultural product guide portion is vertically overlapped on the ridge, and the lower end side is inclined so as to project toward the center in the width direction of the ridge. The excavator according to claim 1, wherein the excavator is formed by a protruding piece. 5. The excavator according to claim 1, wherein the agricultural product guide is formed at a lower end of a guide side plate disposed on both sides of the agricultural product holding portion.