JPH06113635A - Digging harvester - Google Patents

Abstract

PURPOSE:To provide a digging harvester designed to harvest corms by sorting a mixture of larger and smaller corms after being dug while sieving soil. CONSTITUTION:This digging harvester is equipped with (A) a section 2 to dig up crops, (B) a conveyor 4 to lift the crops A dug out under soil sieving and then to convey them and (C) a section 5 to sort the crops A thus conveyed. The sorting section 5 is equipped with (1) a larger corm sorter 17 at the upper tier and (2) a smaller corm sorter 18 at the lower tier, both the sorters 17, 18 being set on a common rocking frame 20, which, in turn, is equipped with a means 26 to apply vertical vibration thereon.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a digging and harvesting machine for potatoes such as konjac potato, taro and potato.

[0002]

2. Description of the Related Art A potato harvesting and harvesting machine is one in which potatoes grown in the soil of a field are excavated together with soil, lifted while sifting, and thrown into the field.

[0003]

In conventional mining and harvesting machines, although potatoes can be dug out mechanically, sweet potatoes (potatoes, large balls, etc.) and sweet potatoes (salmon, small balls, etc.) Since these are left in the field with mixed boulders, it was very troublesome to select them after excavation. Therefore, an object of the present invention is to enable mechanization from excavation to selection consistently.

[0004]

According to the present invention, a dugout portion 2 for potatoes, a lifting conveyor 4 for lifting and transporting the dug potatoes A while sieving, and a potatoes sent from the conveyor 4 are provided. In the potato mining and harvesting machine 1 having the sorting section 5 for sorting, the following technical measures are taken to achieve the above-mentioned object.

That is, according to the present invention, the sorting section 5 is provided with a sweet potato sorting section 17 in an upper stage and a sweet potato sorting section 18 in a lower stage, and both sorting sections 17, 18 are attached to a common rocking frame 20. , The swing frame
20 is provided with a vibrating means 26 for imparting vertical vibrations, and a transverse feed conveyor is provided on each of the sending sides of the sorting sections 17 and 18.
It is characterized by having 30, 31 separately.

[0006]

[Operation] Digging section 2 provided at the tip of self-propelled harvester 1
When the sticks are pierced into the ridges of the field and run, the dug portions 2 excavate the potatoes and the lifting conveyors 4 lift the potatoes while receiving a soil sieving action. The sweet potatoes A sent from the lifting conveyor 4 are dropped into the sorting section 5 under the presence of cobblestone mixed with the sweet potatoes A1 and the sweet potatoes A2.

The sorting section 5 is provided with a master potato sorting section 17 in the upper stage and a potato selection section 18 in the lower stage. The common swing frame 20 vibrates in the up and down direction to receive the diameter sorting and separately feed the transverse feed. Conveyor 30,31
Harvested into containers 32,33 via.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1 showing the overall configuration, a harvester 1 has a dug portion 2, a front portion (tip) of a traveling body 1A, A relay lifting conveyor 3 and a lifting conveyor 4 are provided in series in that order, a sorting section 5 is provided at the lower rear portion of the lifting conveyor 4, and a crawler 6 allows self-propelled movement, and the machine body is in the middle in the front-rear direction.
A driving control device 7 is provided on one side of 1A.

The excavation portion 2 is provided with a plate-like excavation blade 8 at the bottom, and the excavation portion 2 has a pivot 9 as a fulcrum, and the excavation height is adjusted by a height adjusting device (not shown). You are free. The relay lifting conveyor 3 is formed by winding an endless chain 12 around a pair of sprocket wheels 10 and 11, and driving one of the wheels by arranging horizontal rails at intervals in the longitudinal direction of the chain 12. The potatoes are picked up and transported while sifting through the soil.

The lifting conveyor 4 has a larger inclination angle than that for relaying, the endless chain 15 is wound around a pair of sprocket wheels 13 and 14, and lifting claws 16 are arranged in a row in the longitudinal direction of the chain 15. Therefore, the potatoes from the relay lifting conveyor 3 are lifted and conveyed while sieving the soil by the circulation of the lifting claws 16 and dropped to the subsequent sorting unit 5.

The sorting unit 5 is constructed by mounting an upper-level potato selection unit 17 and a lower-level potato selection unit 18 in common on a swing frame 20 that swings vertically about a fulcrum shaft 19 and is driven by an engine. Sprocket 21 and sprocket with rotating disc 22
A chain 24 is wound around 23, a rotary disk 22 and a swing frame 20 are connected by a crank type connecting rod 25, and a vertical vibration is applied by this vibration means 26.

As shown in FIG. 2, the potato selection section 17 has a space of 50 mm.
A large number of spoke bars 17A are arranged side by side in the left-right direction, and the potato selection section 18 is a swing frame provided between the left and right fixed side plates 27 with a large number of spoke bars 18A arranged in the left-right direction at intervals of about 25 mm. It is attached to the side of the swing frame 20 in a rearward and downward slanted manner, and the rear middle part of the swing frame 20 is pivotally supported on the side plate 27 by the fulcrum shaft 19, and the upper end of the connecting rod 25 is attached to the rod member 28 in the front middle of the swing frame 20. Be pivotal. The side plate 27 is formed with a long hole 27A within the swing range.

Below the limo selection section 18, a chute 29 for discharging litter, soil or the like is provided in a backward descending shape.
29 may also be vertically vibrated together with the swing frame 20. A side feed conveyor 30 for potatoes is provided on the sending side of the potato selection section 17, and a side feed conveyor 31 for potatoes is provided on the sending side of the potato selection section 18, respectively, and the feeding ends of the conveyors 30, 31 are provided. Each of them is equipped with containers 32 and 33.

The lateral feed conveyors 30 and 31 are both roller conveyors, and their feeding directions are opposite to each other as shown in FIG. 4, and in order to prevent the potatoes from falling from the sorting section as shown in FIG. Cards 30A and 31A are erected on the conveyor frame. In the above embodiment, the harvesting machine 1 is run to excavate the potatoes A in the field at the excavation section 2, and the soil is being sifted and lifted by the lifting conveyors 3 and 4 to be conveyed to the rear side to select the sorting section 5
Drop on.

The sorting unit 5 is provided with a main potato selection unit 17 on the upper stage and a potato selection unit 18 on the lower stage, and the vertical vibration action imparted to the common rocking frame 20 allows the final soil sieve and diameter size selection. And sweet potato A1
Are harvested to the container 32 by the horizontal feed conveyor 30 and the potatoes A2 are harvested to the container 33 by the horizontal feed conveyor 31, and soil, stones, and waste potatoes A3 are dropped on the field between the crawlers 6 via the chute 29.

[0016] The sorting unit 5 is divided into upper and lower stages and a common swing frame 20
Assembling, disassembling, and maintenance can be done easily by attaching to.

[0017]

The present invention is as described above, and since excavated potatoes can be lifted and conveyed while sifting with soil, and can be selected, integrated work from excavation to selection can be mechanized. Since the sorting unit consists of the upper and lower potato selection units, the size and diameter of the potatoes can be selected in spite of being compact in the longitudinal direction, and they can be harvested separately on the transverse conveyor.

Further, since the upper and lower sorting sections are provided on a common swing frame and vibrations are also transmitted in common, assembly and disassembly and maintenance are simple and easy, and diameter selection through vibration is also ensured. .

[Brief description of drawings]

FIG. 1 is an overall side view of an embodiment of the present invention.

FIG. 2 is a perspective view of a swing selection unit.

FIG. 3 is a side view of a swing selection unit.

FIG. 4 is a rear view of the whole.

[Explanation of symbols]

 1 Harvester 2 Digging section 4 Lifting conveyor 5 Sorting section 17 Sweet potato sorting section 18 Sweet potato sorting section 20 Swing frame 26 Vibrating means 30 Horizontal feed conveyor 31 Horizontal feed conveyor

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[Procedure amendment]

[Submission date] November 2, 1992

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] Full text

[Correction method] Change

[Correction content]

[Document name] Statement

[Title of Invention] Mining and harvesting machine

[Claims]

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mining and harvesting machine for potatoes such as konjac potato, taro and potato, or bulbs.

[0002]

2. Description of the Related Art A mining and harvesting machine for underground crops such as potatoes and bulbs excavates a crop grown in the soil of a field, lifts it while sifting it, and releases it to the field. It was

[0003]

In the conventional mining and harvesting machine, although the excavation of crops can be mechanized, the crops include the potatoes (referred to as seed potatoes, large balls, etc.) and the sweet potatoes (spores, small balls, etc.). Since these are left in the field with boulders mixed, they were very troublesome to select after excavation. Therefore, an object of the present invention is to enable mechanization from excavation to selection consistently.

[0004]

The present invention has a dug portion 2
In the mining harvester 1, which comprises a lifting conveyor 4 that lifts and conveys the excavated crop A while sieving, and a sorting unit 5 that sorts the crop A sent from the conveyor 4,
In order to achieve the above-mentioned purpose, the following technical measures are taken.

That is, according to the present invention, the sorting section 5 is provided with a large ball sorting section 17 in an upper stage and a small ball sorting section 18 in a lower stage, and both sorting sections 17, 18 are attached to a common rocking frame 20. The swing frame
It is characterized in that a vibrating means 26 for imparting vertical vibration is provided on 20.

[0006]

[Operation] Digging section 2 provided at the tip of self-propelled harvester 1
When piercing a ridge in a field and running, the excavation part 2 digs out underground crops such as potatoes and bulbs, and lifts the conveyor.
It is lifted by the soil sifting action by 4. The crop A sent from the lifting conveyor 4 is a sweet potato (large ball) A1.
And taro (kodama) A2 are dropped into the sorting section 5 under a cobblestone mixture.

The sorting unit 5 has a large-sized sorting unit 17 on the upper stage and a small-sized sorting unit 18 on the lower stage, and the common swinging frame 20 vibrates in the vertical direction to perform sorting according to the diameter and harvest.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1 showing the overall configuration, a harvester 1 has a dug portion 2, a front portion (tip) of a traveling body 1A, A first lifting conveyor 3 for relaying and a second lifting conveyor 4 for sorting are provided in series in that order, and a sorting section 5 is provided at the lower rear portion of the second lifting conveyor 4 so that it can be self-propelled by a crawler 6. In the middle of the front-rear direction, one side of the fuselage 1A
It is equipped with 7.

The excavation portion 2 is provided with a plate-like excavation blade 8 at the bottom, and the excavation portion 2 has a pivot 9 as a fulcrum, and the excavation height is adjusted by a height adjusting device (not shown). You are free. The first lifting conveyor 3 for relay is formed by winding an endless chain 12 around a pair of sprocket wheels 10 and 11, and by arranging horizontal rails at intervals in the longitudinal direction of the chain 12, While driving the wheels to sift through soil, underground crops such as potatoes and bulbs (hereinafter referred to as crops) are picked up and transported.

The second lifting conveyor 4 has a larger inclination angle than that for relaying, and the endless chain 15 is wound around a pair of sprocket wheels 13 and 14, and lifting hooks 16 are provided at intervals in the longitudinal direction of the chain 15. It is arranged in a row, and the crops from the relay first lifting conveyor 3 are lifted and conveyed while sieving the soil by the circulating movement of the lifting claws 16 and dropped to the succeeding sorting section 5.

The sorting unit 5 is constructed by mounting an upper stage large ball sorting unit 17 and a lower stage small ball sorting unit 18 in common on a swing frame 20 which swings vertically about a fulcrum shaft 19 and is driven by an engine. Sprocket 21 and sprocket with rotating disk 22
A chain 24 is wound around 23, a rotary disk 22 and a swing frame 20 are connected by a crank type connecting rod 25, and a vertical vibration is applied by this vibration means 26.

As shown in FIG. 2, the large-sized sorting section 17 has a space of 50 mm.
A large number of spoke rods 17A are arranged side by side in the left-right direction, and the small ball sorting section 18 has a large number of spoke rods 18A arranged in the left-right direction at intervals of about 25 mm. It is attached to the side plate 27 with the fulcrum shaft 19 in the rear middle part of the swing frame 20, and the upper end of the connecting rod 25 is pivoted to the bar material 28 in the front middle part of the swing frame 20. I will support you. The side plate 27 is formed with a long hole 27A within the swing range.

Below the small ball sorting section 18, there is provided a chute 29 for discharging litter, soil, etc. in a backward descending shape.
29 may also be vertically vibrated together with the swing frame 20. A horizontal feed conveyor 30 for the sweet potato is provided on the sending side of the large ball sorting section 17, and a horizontal feed conveyor 31 for the young potato is provided on the sending side of the small ball sorting section 18, respectively, at the sending ends of the conveyors 30, 31. Are equipped with containers 32 and 33 respectively.

The lateral feed conveyors 30 and 31 are both roller conveyors, and their feeding directions are opposite to each other as shown in FIG. 4, and in order to prevent the potatoes from falling from the sorting section as shown in FIG. Cards 30A and 31A are erected on the conveyor frame. In the above embodiment, the harvester 1 is run to excavate the crop A in the field at the excavation section 2, and while sifting the soil, it is lifted and conveyed backward by the first and second lifting conveyors 3 and 4 to the sorting section 5. Drop it.

The sorting unit 5 is provided with a large-sized sorting unit 17 in the upper stage and a small-sized sorting unit 18 in the lower stage, and the vertical vibration action imparted to the common rocking frame 20 performs the final size selection of the soil sieve and the diameter. , Potatoes (large balls) A1 are harvested in the horizontal conveyor 30 into the container 32, and potatoes (small balls) A2 are harvested in the horizontal conveyor 31 into the container 33, and soil, stones, and waste potatoes A3 are crawled through the chute 29 to the crawler 6. Dropped to the field in the interim.

[0016] The sorting unit 5 is divided into upper and lower stages and a common swing frame 20
Assembling, disassembling, and maintenance can be done easily by attaching to.

[0017]

The present invention is as described above, and since excavated crops can be lifted and conveyed while being sifted and selected, an integrated operation from excavation to selection can be mechanized. Since the sorting unit is composed of the upper-stage large-ball sorting unit and the lower-stage small-ball sorting unit, the diameter or shape can be sorted while the size is small in the longitudinal direction.

Further, since the upper and lower sorting portions are provided on a common swing frame and vibrations are also transmitted in common, assembly and disassembly and maintenance are simple and easy, and diameter or shape selection through vibration is sure. Becomes

[Brief description of drawings]

FIG. 1 is an overall side view of an embodiment of the present invention.

FIG. 2 is a perspective view of a swing selection unit.

FIG. 3 is a side view of a swing selection unit.

FIG. 4 is a rear view of the whole.

[Explanation of Codes] 1 Harvester 2 Digging section 4 Lifting conveyor 5 Sorting section 17 Large ball sorting section 18 Small ball sorting section 20 Swing frame 26 Vibrating means

Claims (1)

[Claims] 1. A potato excavation part (2) and excavated potatoes
Lifting conveyor that lifts and conveys (A) while sieving (4)
And a potato mining and harvesting machine (1) having a sorting unit (5) for sorting the potatoes sent from the conveyor (4), the sorting unit (5) is provided in the upper stage for sorting the potatoes. The part (17) and the potato selection part (18) in the lower stage are equipped with a common swing frame for both selection parts (17) and (18).
A vibrating means (26) which is attached to the (20) and which imparts a vertical vibration to the swing frame (20) is provided, and the lateral feeding is performed to each of the sending sides of the sorting sections (17) and (18). A potato mining and harvesting machine characterized by having conveyors (30) and (31) separately.