JPH09252621A - Reaping machine for root vegetables - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a root vegetable reaping machine which is so constituted that leaf and stem parts can securely be raked in even when the leaf and stem parts are fallen on the normal of a ridge. SOLUTION: This root vegetable reaping machine which digs up, conveys, and harvests roots vegetables C such as onions and garlics planted on a ridge almost at specific intervals has a grass dividing device 12, a raking-in device 13, a chisel 14, an elevation conveying device 15, a cutting device 17, etc., arranged from the front, and a fixed grass division plate 12a is projected at the front end of the grass dividing device 12 which slants so that the front is low and the rear is high. Further, the raking-in device 13 arranged below the back of the grass dividing device 12 consists of a couple of right and left raking-in endless belts 13a, 13b which spread in a front widening shape. Then the tip part 13a' of only the raking-in endless belt 13a on the side of the ridge groove extends out to a low position below the ridge top surface U.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a self-propelled root vegetable harvesting machine for collecting root vegetables such as onions, garlic and carrots by digging them from a field.

[0002]

2. Description of the Related Art A root vegetable harvesting machine for digging up root vegetables planted on a ridge in a field, transporting them to the rear, bundling them, and storing them is already known. That is, when a conventional root vegetable harvester digs up a root vegetable with a leaf stem planted on a ridge, for example, as shown in FIG. The endless strips 13a and 13b scrape the above-mentioned leaf stem portion from the side toward the central portion and convey it backward.

[0003]

However, the leaf stems on the ridges are often laid down in the left-right direction with respect to the traveling direction of the root vegetable harvester. In particular, as shown in FIG. When lying on the slope N of the ridge, the both ends of the figure-shaped scraping endless belts 13a, 13b are both located on the ridge upper surface U, so that the leaves fell on the slope N of the ridge. There is a problem that the stem portion C1 cannot be scraped, and therefore the root vegetable C cannot be conveyed backward to store the root vegetable. Therefore, in view of such conventional problems, the present invention is a root vegetable harvesting machine configured so that the leaf stem portion can be effectively scraped even when the leaf stem portion is lying on the slope of the ridge. The purpose is to provide.

[0004]

In order to achieve the above object, the constitution of the present invention is, as shown in FIGS. 1 to 4, a root vegetable C such as onion or garlic planted on a ridge at substantially predetermined intervals. In a root vegetable harvester that digs up and conveys the root vegetables C to the rear and collects a substantially constant number of the root vegetables C, the root vegetable harvester is a weeding device 12, a scraping device 13, a chisel 14, and a lifting transfer device 15 from the front. , A cutting device 17 and the like are provided, and a fixed sward plate 12a is projectingly provided at the front end of the swarding device 12 inclined to the front, rear, rear, and high, and is disposed at the lower rear part of the shunting device 12. The scraping device 13 is composed of a pair of left and right sweeping endless strips 13a and 13b in the shape of a figure, and only the end 13a 'of the stripping endless strip 13a' is on the ridge side.
Is extended to a lower position below the upper surface U of the ridge. In addition, a fixed sward plate 12a ′ protruding from the front end of the weeding device 12 on the side of the furrow is the other fixed sward plate 12a.
It was extended much longer than. Further, the lower conveyance deck belt 24 is arranged below the neck holding and conveying device 15b of the lifting and conveying device 15 or below the binding device 16 when the binding device 16 is provided, so that the root portion C2 of the root vegetable C is placed thereon. And the rear end 24a of the lower transport deck belt 24
Is extended to a position rearward from the axial center 4a of the traveling wheels 4 and 4 behind the focusing passage 16a of the binding device 16, and the above-mentioned focusing passage 16a on the lower conveyance deck belt 24 is provided.
The deck 25 is detachably provided near the lower part. Still further, the lower conveyance deck belt 24 arranged below the neck-nip transfer device 15b and the like is the root portion C2 of the root vegetable C.
The vertical gap d with the neck clamping device 15b or the like is adjustable according to the size of the.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. In FIG. 1 and FIG. 2, the root vegetable harvesting machine has a walking operation type self-propelled vehicle A equipped with a harvesting work section B. The self-propelled vehicle A includes an engine 1, a mission case 2, and a pair of left and right traveling wheels 4 axially supported by left and right final cases 3 connected to a cylindrical case extending from the mission case 2 to the left and right. It is composed of a left and right main frame 5 arranged on the front side of the mission case 2 and the engine 1, a steering handle 6 extending rearward from the main frame 5, and the like.

A work frame is provided in the front part of the self-propelled vehicle A, and the harvesting work section B is constructed by attaching various devices described later to the work frame. The work frame includes a plurality of lower frames 7 and 7 extending forward from the main frame 5, and upper frames 8 and 8 that are inclined obliquely rearward and upward with the front end portions supported by the lower frames 7. The upper and lower frames 8 and 7 and the transmission support case 9 that connects the rear end portions of the upper and lower frames 8 and 7 form a substantially triangular frame in a side view. Further, the grass frames 10 and 10 are extended forward from each of the lower frames 7. It is configured. Reference numeral 11 denotes a gauge wheel which is attached to the vegetation frame 10 at the left end or the right end so that the vertical position can be changed, and is provided along the slope N of the ridge so as to be inclined so as to roll outward. ing.

The various devices that compose the harvesting work section B include a weeding device 12, a scraping device 13, a chisel 14, a lifting transfer device 15, a cutting device 17 and the like. Fixed sward plate 12 fixed to the front end of the grass frame 10
a and a root vegetable C leaf that is planted in a ridged field and is composed of a tine retracting type vertical separating / separating device 12b that is inclinedly installed at the front, rear, and rear in the rear position of each fixed sward plate 12a. The stem portion C1 is arranged and arranged. A bundling device 16 is provided behind the cutting device 17 as necessary.

The scraping device 13 is located at the lower rear part of the back of the weeding device 12, is inclined to the front low rear high in a side view, and is a pair of left and right scraping endless bands that are arranged in an eight-shape in a plan view and spread forward. 13a and 13b, the weeding device 12 scrapes the neatly arranged leaf stem part C1 into the central part in the lateral direction and transfers it to the nipping start end part of the lifting transfer device 15. In addition, both scraped endless belts 13a, 13
Only the side 13a of the groove on the ridge side has a tip portion 13a 'extending to a lower position below the upper surface U of the ridge. Therefore, even if the leaf stem C1 is lying on the slope N of the ridge as shown in the figure, the tip end portion 13 of the scraped endless band 13a on the ridge groove side is formed.
a ′ can scrape the leaf stem C1 from the side to the center. Further, the front end of the scraped endless belt 13a is provided at the front end of the weeding device 12 on the side of the furrow corresponding to the fact that it extends to a lower position below the upper surface U of the furrow. The fixed grass plate 12a 'extends sufficiently longer than the other fixed grass plates 12a. This long fixed sward plate 12a 'can quickly scoop up the leaf stem portion C1 lying on the slope N side from the ridge upper surface U to adjust the posture. Therefore, the feeding posture of the leaf stem C1 in the weeding device 12 is improved, and the subsequent transportation of the root vegetable C is smoothly performed.

The chisel 14 excavates the root C2 of the root vegetable C after the scraping device 13 has scraped the root C2 and excavates the root C2 of the root C. The chisel 14 extends inward from the lower end of the vertical plate. It is composed of a pair of left and right blades with extending horizontal blades facing each other, and work so that the vertical middle part of the vertical plate of each blade can be swung back and forth by a pivot 18. Mounted on the frame.

The lifting and conveying device 15 described above includes a leaf stem clamping and conveying device 15a which is inclined frontward and rearward and rearward along the upper frames 8 and 8 and a lower inclination angle at the lower part of the device 15a. It is configured with a neck-nipped transfer device 15b that is installed at a low rear and high inclination. The leaf stalk pinching and transferring device 15a is composed of a pair of left and right soft elastic conveying endless belts 19 and 19 which are wound around a ring group pivotally supported by the upper frames 8 and 8 and face each other. The leaf stem portion C1 of the root vegetable C taken over from the scraping device 13 is sandwiched in a sandwiching and transporting path formed between the contact surfaces, and is lifted and transported obliquely upward.

Further, the neck pinching and transferring device 15b also constitutes a pinching and transferring path between the pair of left and right soft-elasticity conveying endless belts 20 and their opposing surfaces, and the leaf stem part nipping and transferring device 15a nips the leaf stem part C1. The neck portion of the root vegetable C thus cut is sandwiched between the soft elastic conveying endless belts 20, 20 and is transferred. Therefore, the soft elastic conveying endless belts 19, 19 and 2 are
Since 0 and 20 are both soft elastic bodies, it is possible to prevent an accident in which they are locked due to stone trapping during operation.

When it is necessary to bind the root vegetables C, the bundling device 16 travels in a substantially triangular space portion between the leaf stem clamping and transporting device 15a and the neck clamping and transporting device 15b which spreads backward in a side view. The wheels 4 and 4 are arranged so that the center of gravity is located near the axis of the wheels. At the transfer end portion of the neck-nipped transfer device 15b, feed rotary wheels S, S having a diameter slightly larger than the winding diameter of the endless belts 20, 20 are installed. The bundling device 16 forms a bundling passage 16a below the bundling transmission case 21 located above the entire device, and bundles the knotted portion 22 and the needle 23 located on the left and right with the bundling passage 16a therebetween. It is hung from the transmission case 21.

Further, appropriately below the knotting portion 22 and the needle 23 of the neck clamping and transferring device 15b and the binding device 16,
The lower transport deck belt 24 is arranged so as to mount the root portion C2 of the root vegetable C, and the rear end 24a of the lower transport deck belt 24 is located at the axial center 4a of the traveling wheels 4, 4 behind the focusing passage 16a of the binding device 16. It is extended to the rear position. A deck 25 is detachably provided near the lower part of the focusing passage 16a on the lower transport deck belt 24 via a bracket and bolts and nuts. By mounting the deck 25, one bundle of root vegetables C is bound on the deck 25 at the time of bundling and is bundled in a state where conveyance is temporarily stopped, and bundling is performed smoothly.

On the lower conveyor deck belt 24 and the deck 25, the root portion C2 of the root vegetable C transferred by the lifting transfer device 15 and fed to the focusing passage 16a,
The focusing passage 16a is configured to be placed and supported.
When the set amount of root vegetables C is focused on, the binding device 16 operates by sensing it and binds the root vegetables C group in the focused state. Therefore, since the rear end 24a of the lower conveyance deck belt 24 is extended to the position rearward from the axis 4a of the traveling wheels 4 and 4 as described above, the bound root vegetables C are always between the traveling wheels 4 and 4. It is not released to the field and trampled by the traveling wheels 4, 4. Further, the lower carrying deck belt 24 is provided with a suitable means such as a plurality of adjusting holes provided on the bracket for adjusting the vertical distance d between the lower carrying deck belt 24 and the neck holding and transferring device 15b according to the size of the root C2 of the root vegetable C, and the working frame It is provided so that the vertical position can be adjusted by fixing it to the section with bolts and nuts. Therefore, the distance d is adjusted depending on whether the root C2 is small garlic or large carrot.

As shown in FIG. 4, the lower conveyor deck belt 24 constitutes an endless belt conveyor in which an endless belt 27 is wound around a conveyor frame 26 which is continuously supported by a work frame. In a state where the deck 25 is not mounted, the electric motor 28, which is on / off controlled in conjunction with the intermittent operation of the bundling device 16, is intermittently rotatably driven at a set time to sequentially post-deliver a bundle of root vegetables C. ing.

The cutting device 17 is a rotary blade whose cutting action portion faces the nipping and transferring path of the leaf and stem part nipping and transferring device 15a, and the drive shaft 3 hung downward from the drive case 29.
No. 0 is attached so that the vertical position can be adjusted, and is arranged at the transfer side of the binding device 16. And the cutting device 1
When the rotary blade of No. 7 is located near the lower side of the leaf stem clamping and transferring device 15a for harvesting work, it is sandwiched between the leaf stem clamping and transferring device 15a and the neck clamping and transferring device 15b and lifted and transferred. The leaf stem portion C1 of the root vegetable C to be cut is cut while leaving the leaf stem portion of the required length on the side of the root portion C2, and the cut leaf stem portion C is cut.
1 is continuously transferred by the leaf stem clamping and transferring device 15a, and the root C2 side is transferred by the neck clamping and transferring device 15b and fed into the focusing passage 16a of the binding device 16.

Next, the transmission mechanism for driving the various devices of the harvesting work section B will be described. As shown in FIG. 2, the counter shaft 33 is rotationally driven by the power transmitted from the mission case 2 through the PTO shaft 31 and the passive case 32.
Are arranged in parallel with each other along the main frame 5, and the counter shaft 33 has a carrier drive case 34 and a binding drive case 35.
Is provided, and by the drive shaft extending upward through the transmission support case 9 described above that is connected to the transport unit drive case 34, the lift transfer device 15 leaf stem clamping transfer device 15 is provided.
The pair of left and right soft elastic conveying endless belts 19 and 19 in a are configured to be rotationally driven in predetermined directions, respectively.

When the soft elastic conveying endless belts 19 and 19 of the leaf stem clamping and transferring device 15a rotate, a pair of left and right scraping endless bands 13a of the scraping device 13 are interlocked with it.
13b is also configured to rotate in the same manner, and is provided with a chain case 36 that interlocks with the leaf stem sandwiching and transferring device 15a and the scraping device 13, and drives a transmission shaft in a transmission case that is continuously provided at the rear portion thereof. As a result, the endless belts 20, 20 of the neck pinching and transferring device 15b are rotationally driven, and a plurality of sets of the vertical separating and separating devices 12b are rotationally driven.

The left and right shaft ends of the counter shaft 33 are projected outward from the transport unit drive case 34 and the binding drive case 35, and the eccentric rotor 37 is attached to each projecting portion.
37 is attached, and the eccentric rotors 37, 37 are reciprocally oscillated by the connecting rods 38, 38 in the front-rear direction with a predetermined amplitude.

[0020]

As described above, in the root vegetable harvesting machine of the present invention, the tip end of the both sides of the scraping device on the side of the furrow extends to a lower position below the upper surface of the furrow. Since it has been taken out, even if the root stem of the root vegetable is lying on the slope of the ridge, it can be scraped from the side to the central part, causing the conventional stem You can reduce mistakes. In addition, the rear end of the lower conveyor deck belt, which is arranged so as to place the root portion of the root vegetables, below the neck pinching transfer device and the bundling device of the lifting transfer device, has the axis of the traveling wheel behind the focusing passage of the bundling device. Since it is extended further to the rear position, the bound root vegetables are not always discharged to the field behind the traveling wheels and trampled by the traveling wheels.
Further, since the deck is detachably provided on the lower transport deck belt, the bundles can be smoothly bound. Furthermore, the fixed sward plate projecting from the front end of the weeding device on the side of the furrow is extended sufficiently longer than the other fixed sward plate, so it fell from the upper surface of the ridge to the slope side. The leaf stem can be shaped, and the root vegetables after the weeding device can be transported smoothly. Further, the lower conveyor deck belt is provided so that the vertical gap between the root clamping device and the neck clamping transfer device can be adjusted according to the size of the root of the root vegetable, so it can handle a wide variety of root vegetables from garlic to carrot. .

[Brief description of drawings]

FIG. 1 is an overall side view of a root vegetable harvester of the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is a front view of the same.

FIG. 4 is a schematic rear view of the essential part showing the working mode of the above-mentioned root vegetable harvester.

FIG. 5 is a cross-sectional view showing a state in which a leaf stem of a root vegetable is laid on the slope of a ridge.

[Explanation of symbols]

 12 weeding device 12a fixed weeding plate 12a 'fixed weeding plate 13 scraping device 13a scraping endless band 13a' tip 13b scraping endless band 14 chisel 15 lifting transfer device 15b neck clamping transfer device 16 binding device 16a focusing Passage 17 Cutting device 24 Lower conveyance deck belt 25 Deck C Root vegetable C1 Leaf stem part C2 Root part d Interval U U-ridge top surface

Claims (4)

[Claims] 1. A root vegetable harvester for digging up root vegetables such as onions and garlic planted on ridges at approximately predetermined intervals and transporting and harvesting the root vegetables rearward, wherein the root vegetable harvester is a weeding device and a scraper from the front. A shunting device, a chisel, a lifting transfer device, a cutting device, etc. are provided, and a fixed sward plate is projectingly provided at the front end of the swarding device inclined to the front low rear height and the rear lower part of the weeding device. The scraping device disposed in the left and right is composed of a pair of left and right sweeping endless strips of the shape of a figure, and the tip end of only one of the two endless strips of scraping is on the side of the ridge, and is located below the upper surface of the ridge. A root vegetable harvester characterized by being extended to a low position. 2. The fixed sward plate projecting from the front end of the weeding device on the furrow side is extended sufficiently longer than other fixed sward plates. Root vegetable harvester. 3. A lower carrying deck belt is arranged below the neck-niping carrying device and a bundling device of the lifting and carrying device so that a root portion of root vegetables is placed thereon, and a rear end of the lower carrying deck belt is a bundling device. The root vegetable according to claim 1, characterized in that the root vegetable is extended to a position rearward of the axis of the traveling wheel behind the converging passage of the device, and the deck is detachably provided on the lower conveyor deck belt. Harvester. 4. A lower conveyance deck belt disposed below the neck-nip transfer device is provided so that a vertical gap between the lower-neck transport device and the neck-nip transfer device can be adjusted according to the size of the root of the root vegetable. The root vegetable harvester according to claim 3.