JPH10248343A - Corm harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To select small corms and a fibrous root and to collect them in a container in process where the corms such as sweet potato and potato are harvested from a field, selected and contained in the container. SOLUTION: In this corm harvester, a digging and carrying conveyor device 6 for digging the potatoes in the field and carrying then is provided in a self- running machine body 2 from a machine body lower part front part to a machine body rear part by way of a machine body central upper part, a selecting conveyor 11 is provided to be continued to the digging and carrying conveyor device 6, and an operator and a selection worker are arranged in the side part of a selecting conveyor 11, thereby containing the corms in the container which is placed on the container placing stand 18, provided in the rear part of the selecting conveyor 11. In this case, a selecting device 14 for selecting the small corms and the fibrous root discharged from the selecting conveyor 11 is provided so as to be vibrated in a vertical direction, the selecting device 14 consists of a rake-shape with inclination where a front part is high and a rear part is low, the container 21 is provided in the terminating end lower part of the selecting device 14 and the selected small potatoes and the fibrous root are contained.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a method of harvesting potatoes such as sweet potatoes and potatoes from a field and selecting them, and selecting and collecting small potatoes and whiskers during the process of storing the potatoes in a container. Related to a peach harvester.

[0002]

2. Description of the Related Art Conventionally, a potato harvester, which wants to harvest and sort out potatoes such as sweet potatoes and potatoes from a field, and to select and accommodate them, is to pass through a self-propelled body through the upper center of the body from the lower front of the body. Around the rear of the fuselage, a digging / transporting conveyor device that excavates and transports potatoes in the field is provided, and a sorting conveyor is provided continuously with the digging / transporting conveyor device, and a pilot is provided beside the sorting conveyor. There is also known a container in which a sorting worker is arranged so that potatoes are stored in a container placed on a container placing table provided behind the sorting conveyor.

On the other hand, in a potato production area, small potatoes (small potatoes), whiskers, etc. are not left in the field because they affect the next crop to be cultivated. For this reason, in the conventional potato harvesting machine, when the sorting operator sorts potatoes on the sorting conveyor, small potatoes and whiskers are selected at the same time, or a rake-like one is arranged below the end of the sorting conveyor. The small whiskers and whiskers that are discharged from the end of the sorting conveyor are sorted, dropped on the surface of the field, and separately collected.

[0004]

As in the above-mentioned conventional potato harvester, if a sorting operator sorts potatoes and sorts small potatoes and beard roots at the same time on a sorting conveyor, the work efficiency is reduced. In addition, there is a problem that extra labor and time are required for separately collecting small peaches and whiskers that have been discharged to the surface of the field. The present invention has been made to solve the above problems.

[0005]

In order to achieve the above object, the present invention provides: A self-propelled aircraft is provided with a digging / transporting conveyor device that excavates and transports potatoes in the field from the lower front of the aircraft through the upper center of the aircraft to the rear of the aircraft, and continuously with this digging / transporting conveyor device. In addition to providing a sorting conveyor,
An operator and a sorting operator are arranged on the side of the sorting conveyor, and the potatoes are to be stored in a container mounted on a container mounting table provided behind the sorting conveyor. Below the end of the sorting conveyor,
The apparatus is characterized in that a sorting device for sorting small whiskers and whiskers discharged from the sorting conveyor is provided so as to vibrate vertically.

B. The sorting device is characterized in that it is made of a rake-like device that is inclined so that the front is high and the rear is low.

C. It is characterized in that a container is provided below the end of the sorting device so as to accommodate the sorted small peaches and whiskers.

[0008]

According to the above construction, the potato harvester of the present invention has the following features.
The following actions are performed.

[0009] At the lower end of the sorting conveyor, a sorting device for sorting small whiskers and whiskers discharged from the sorting conveyor is provided so as to vibrate in a vertical direction, so that small whiskers and whiskers are discharged from the sorting conveyor. Select roots efficiently.

[0010] Since the sorting device is made of a rake-like material that is inclined so that the front is high and the rear is low, the selected small moats and whiskers are continuously discharged from the end of the sorting device.

[0011] Since a container is provided below the end portion of the sorting device to accommodate the sorted small whiskers and whiskers, it is not necessary to collect the small whiskers and whiskers from the field.

[0012]

Embodiments of the present invention will be specifically described below with reference to the accompanying drawings. 1 and 2, reference numeral 1 denotes a potato harvester. The potato harvester 1 is equipped with crawlers 3, 3 that form a left-right pair on a body 2 and enable spin (super-spot) turning. ing. The engine 4 is mounted on one front side of the body 2 and a hydraulic device (not shown) driven by the engine 4 is provided near the engine 4.
A transmission 5 is provided between the crawlers 3 and 3 at a lower position near the front of the body 2. Crawler 3,
From the lower front part of the fuselage 2 to the rear part of the fuselage through the upper part of the fuselage to the rear part of the fuselage, a digging and transporting conveyor device 6 that excavates and transports potatoes in the field and transports it rearward is provided. Provided. A control unit 7 is provided on the side of the body 2 opposite to the engine 4.

The digging / transporting conveyor device 6 is supported by a pair of left and right side frames (frames) 8 and has a digging blade 9 at its tip. And an inclined conveyor 10 having slats at predetermined intervals, and a sorting conveyor 11 continuously provided to the inclined conveyor 10. The excavating / transporting conveyor device 6 has a rotating shaft (rotation fulcrum) 8a at an intermediate portion thereof.
The tip side is rotatable in the vertical direction around the center, and the rotation is controlled by the expansion and contraction operation of a hydraulic cylinder (not shown) provided between the body 2 and the side frame 8.

For the operator on the left and right sides of the sorting conveyor 11 for operating the aircraft and operating each drive unit in the steering unit 7, and for the operator on whom the sorting operation is performed on the sorting conveyor 11. Seat 12 and step 1
2a, and a sorting operator seat 13 and a step 13a on which a sorting operator who performs a sorting operation on the sorting conveyor 11 behind the engine 4 rides.

As shown in detail in FIGS. 3 and 4, below the terminal end of the sorting conveyor 11, a sorting device 14 for sorting small whiskers and whiskers discharged from the sorting conveyor 11 is vertically vibrated. Is provided. The sorting device 11 is made of a rake-like device that is inclined so that the front is high and the rear is low, and the base end thereof is connected to the upper end of a support arm 15 erected on the body 2 via a shaft 15a. It is attached to the tip of a swing arm 17 that is pivotally supported and swings up and down by a crank arm 16. The tip of the crank arm 16 can move back and forth with respect to the swing arm 17 so that the vertical movement strength of the sorting device 14 can be adjusted.

Behind the sorting conveyor 11, a container mounting table 18 is provided so as to be vertically reversible (detachable) with respect to the rear end of the body 2, and a spare container mounting table is provided at the rear of the container mounting table 18. 19 are erected. Further, a container support frame 20 is vertically provided below the container mounting table 18, and an opening of the container 21 placed on the container support frame 20 faces a terminal end of the sorting device 14. The small stalks and beard roots sorted by the sorting device 14 are accommodated.

A ridge follower 23, which follows along with the movement of the machine along the length of the ridge to be harvested, is attached to a bracket 22 projecting forward from the left and right side frames 8, 8 of the digging / transporting conveyor device 6. Is provided. This ridge following device 2
3 is provided with a pair of wheels 24, 24 rotatably contacting the inclined shoulders of the ridge to be harvested, and these wheels 24 can be vertically adjusted by a vertical adjustment mechanism 25 with respect to the digging / transporting conveyor device 6, and The slide mechanisms 26 support the left and right movements. Further, the pair of wheels 24, 24 have a camber angle, rotate in contact with the inclined shoulders of the ridge to be harvested, and steer and move the body following the ridge to be harvested. .

Here, the transmission 5 which receives power from the engine 4 and shifts is provided with a continuously variable hydraulic transmission (HST) (not shown) for continuously changing the speed. The transmission is output in a stepped manner, the power transmission is connected / disconnected via a side clutch and a differential device, and the crawlers 3 and 3 are driven in a stepped and stepped manner. )
Is possible. Also, from transmission 5,
The speed-changed power is transmitted to the excavating / transporting conveyor device 6 and the sorting device 14, and the speed and vertical vibration of the conveyor can be adjusted steplessly and stepwise. Excavation work speed can be set freely by combining with stepless or stepped traveling.

Next, the operation of the potato harvester 1 of the embodiment configured as described above will be described. Potato harvester 1
For example, when harvesting potatoes, such as sweet potatoes and potatoes, from the field, the wheels 24, 24 of the ridge following device 23 are rolled and contacted with the inclined both shoulders of the ridge to be harvested, and the The excavation blade 9 is vertically moved by a hydraulic cylinder to adjust the excavation depth, and the potatoes are dug up by the excavation blade 9 by the forward movement of the machine body, and are conveyed with the soil by the inclined conveyance section 10 while being obliquely upwardly of the machine body. Lift to During this conveyance, the soil falls from between the link rods and is brought to the sorting conveyor 11.

The potatoes among the crops moving on the sorting conveyor 11 are sorted by the sorting operator sitting on the sorting operator's seat 13 and the pilot sitting on the operator's seat 12, and are sorted on the container mounting table 18. It is stored in the placed container. The material remaining in the sorting / conveying unit 11 falls on the sorting device 14 which vibrates up and down from the end of the carrying, where small peaches and whiskers are sorted out and remain on the sorting device 14. It is discharged from the end into a container 21 placed on a container support frame 20 and accommodated. When the potatoes in the container placed on the container placing table 18 or the small thighs or whiskers in the container 21 become full, the container is replaced with a spare container.

Here, the potato harvester 1 comprises a crawler 3,
The vehicle 2 is driven in a stepped and stepped manner, and is capable of spinning (super turning), so that the body 2 can be spin-turned stably on a headland, etc. Can be moved to the harvest ridge, and can be turned in a well-balanced manner in either the left or right direction. Therefore, the crawlers 3, 3
The soil in the field is not greatly scraped.

A ridge follower 23 is provided in front of the excavating / transporting conveyor 6 along the length of the ridge to be harvested along with the movement of the machine body. A pair of wheels 24 that are in contact with each other are provided so as to be opposed to each other and supported so as to be vertically adjustable and horizontally adjustable with respect to the excavating / transporting conveyor device 6. Automatic steering, excavation
Automatic excavation / transportation by the transport conveyor device 6 is performed. Therefore, the pilot can spend most of the time on the sorting operation except for the operation of steering the body at the ridge end of the ridge to be harvested. Further, when performing headland turning at the field end, the excavation / transportation conveyor device 6 is rotated around a rotation shaft (rotation fulcrum) 8a by a hydraulic cylinder to raise the front side,
The spin can be turned with a small turning radius together with the spin turning of the crawlers 3 and 3.

[0023]

As described above, the potato harvester of the present invention has the following effects. . Below the end of the sorting conveyor, a sorting device that sorts small whiskers and whiskers that are discharged from the sorting conveyor is provided so as to vibrate in the vertical direction, so that small whiskers and whiskers that are discharged from the sorting conveyor are removed. Can be efficiently sorted, and work efficiency is improved.

[0024] Since the sorting device is made of a rake-like material that is inclined so that the front is high and the rear is low, the small stalks and whiskers selected by the sorting device can be continuously discharged from the end of the device.

[0025] A container is provided below the end of the sorting device to accommodate the sorted small flies and whiskers, so that the small flies and whiskers are stored without falling into the field as in the past, and these are collected from the field. You don't have to.

[Brief description of the drawings]

FIG. 1 is an overall side view of a potato harvester according to the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is an enlarged side view showing a main part of the present invention.

FIG. 4 is an enlarged plan view of the same.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Potato harvester 2 Body 3 Crawler 4 Engine 5 Transmission 6 Digging / transporting conveyor device 7 Operating part 8 Side frame (frame) 8a Rotating shaft (rotation fulcrum) 9 Digging blade 10 Inclined conveying part 11 Sorting conveyor 12 Operating Seat for operator 12a Step for operator 13 Seat for operator 13a Step for operator 14 Selection device 15 Support arm 15a Shaft 16 Crank arm 17 Swing arm 18 Container mounting table 19 Spare container mounting table 20 Container support frame 21 Container Reference Signs List 22 bracket 23 ridge following device 24 wheel 25 vertical adjustment mechanism 26 slide mechanism

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Minoru Oda 684 Nakahane, Okayama City, Okayama Prefecture

Claims (3)

[Claims] 1. A self-propelled body is provided with a digging / transporting conveyor device for digging and transporting potatoes in a field from the lower front of the fuselage to the rear of the fuselage through the upper center of the fuselage. A sorting conveyor is continuously provided in the apparatus, and a pilot and a sorting operator are arranged on the sides of the sorting conveyor, and potatoes are stored in containers placed on a container mounting table provided behind the sorting conveyor. In the peach harvesting machine, a sorting device for sorting small peaches and whiskers that are discharged from the sorting conveyor is provided below the end of the sorting conveyor so as to vibrate vertically. Sweet potato harvester. 2. The potato harvester according to claim 1, wherein the sorting device is a rake-like device that is inclined so that the front is high and the rear is low. 3. The potato harvester according to claim 1, wherein a container is provided below the end of the sorting device to accommodate the sorted small stalks and whiskers.