JP3482392B2 - Bean harvester - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bean harvester.

[0002]

2. Description of the Related Art The present applicant is a manufacturer of agricultural machinery, and has a patent number of 28840.
No. 24 proposes a bean harvester that can directly strip only beans from the stems that have been planted in the field.

The applicant of the present invention further researched and developed this bean harvesting machine, and completed a groundbreaking bean harvesting machine having a further excellent commercial value.

[0004]

The gist of the present invention will be described with reference to the accompanying drawings.

[0005] Beans 2 which grow on a stem 1 vegetated on the ground
Is a bean harvesting machine for picking up bean without pulling it from the ground, and a pair of rotatable bean mowers 4 and 5 having a predetermined height are obliquely provided on the moving base 3. The periphery of is provided in the bean-ripening processing section 29 covered by the case body 30. In front of this case body 30, the passage of the stem 1 with the beans 2 vegetated on the ground is allowed to pass, and A bean harvesting machine characterized in that a blocking body 6 for blocking passage is provided, and a passing portion 18 through which the stem 1 from which the beans 2 have been stripped passes is provided in the bean grab removal processing section 29. Is.

Further, in the bean harvester according to claim 1,
As the closing body 6, the closing body 6 configured to allow only the stem 1 to pass by changing its shape according to the shape of the stem 1 when the stem 1 passes is characterized. It concerns a bean harvester.

Further, in the bean harvester according to any one of claims 1 and 2, the bean harvester is characterized in that operation parts 12 and 12 'are provided in front of and behind the movable base 3. It is a thing.

[0008]

According to the present invention, the moving base 3 is moved to allow the stem 1 with the beans 2 to pass through the closing body 6,
Then, when the stalk 1 is passed between the rotating bean-scraping bodies 4 and 5, the beans 2 which become the stalk 1 are squeezed by the bean-scraping bodies 4 and 5 so as to be squeezed. At this time, even if the stripped beans 2 scatter, the beans 2 will be a case body.
The closing body 6 provided in front of 30 prevents the discharge of the moving base body 3 (the case body 30) to the outside as much as possible. Incidentally, in the present invention, the stem 1 is left as it is without being pulled out from the ground even after the moving substrate 3 has passed.

Therefore, according to the present invention, an epoch-making product having an extremely high commercial value, which enables efficient harvesting work without wasting the beans 2, is provided.

In addition, in the invention described in claim 2, in addition to the effect of the invention described in claim 1, when the stem 1 as the closing body 6 passes, the shape changes according to the shape of the stem 1. As a result, since the closure body 6 configured to allow only the stem 1 to pass through is employed, it is possible to reliably prevent the beans 2 stripped from the stem 1 from being discharged (fallen) to the outside of the moving base 3. You will be able to do it. That is, for example, the harvesting work of beans 2 is performed by continuously treating the stem 1 with a large number of beans 2 planted in the ridge, but if the stem 1 passes through as the closing body 6, the shape of the stem 1 If the occluder 6 that does not change its shape without complying with the above is adopted and another stalk 1 passes through the occluder 6 while the beans 2 of one stalk 1 are being scavenged by the peanut removers 4 and 5, There is a high possibility that a gap will be formed in the closing body 6 due to the thickness of the stem 1 and the beans 2 that have been stripped from this gap will be discharged to the outside of the moving base body 3.
According to the invention described above, since the closure body 6 that allows only the stem 1 to pass by changing its shape according to the shape of the stem 1 is adopted, it can be stripped even in an environment where continuous stripping processing is performed. The beans 2 are prevented from being discharged to the outside of the moving substrate 3 as much as possible.

Further, in the invention described in claim 3, in addition to the effects of the invention described in claims 1 and 2, since the operating portions 12 and 12 'are provided in front of and behind the movable base 3, for example, in the front. The bean 2 is surely removed by the operation unit 12
It is possible to carry out the scraping work while confirming the situation such as whether or not the movable base 3 is introduced in the front side of the movable base 3, while the direction of the movable base 3 is changed by operating the rear operation unit 12 ′. The operation can be performed well.

[0012]

DETAILED DESCRIPTION OF THE INVENTION The drawings illustrate one embodiment of the present invention and are described below.

The present embodiment is a bean harvesting machine for picking beans 2 grown on a stem 1 vegetated on a ridge 7 (ground) of a field without pulling the stem 1 from the ridge 7.

In addition, this embodiment is constructed as an edamame harvesting machine for edamame 2 which has been put into a pod as a bean for carrying out the work of removing the beans. The bean stripping structure according to the present embodiment is not limited to the edamame harvesting machine, and the design can be changed as appropriate as long as it has a configuration in which the characteristics of this embodiment can be exhibited.

Hereinafter, a detailed description will be given of each component of the present embodiment.

As shown in FIGS. 1 to 3, the movable base 3 is composed of a metal frame body composed of a front portion 3A and a rear portion 3B, and the front portion 3A covers the front surface and the left and right side surfaces thereof. A cover body 8 with a transparent portion 8a is arranged, and a ceiling plate 28 is arranged on the upper surface of the front portion 3A.

Further, an opening is provided in the front surface of the cover body 8, and the opening is constructed as a stem introducing portion 3a having a height and a width for allowing the stem 1 with edamame 2 to pass therethrough. Has been done.

A closing body 6 is provided at the stem introducing portion 3a.

The closing member 6 is composed of a pair of brush members 9 having appropriate flexibility, and the brush members 9 have their tips abutting each other on the left and right edges of the opposite openings of the stem introducing section 3a. Is provided so as to project inward of the front portion 3A.

The flexibility of the brush material 9 means that the stalk 1 is allowed to pass, and when the stalk 1 passes through the stalk introduction portion 3a, the stalk 1 changes its shape according to the shape of the stalk 1 and Even in the sandwiched state, the stalk introduction portion 3a is set to be flexible enough to maintain the closed state of the stalk introduction portion 3a and allow passage of the stalk 1.

Therefore, it is possible to prevent the edamame 2 that has been stripped by the bean stripping bodies 4 and 5 from being discharged from the stem introducing portion 3a of the stem 1 to the outside of the moving substrate 3. That is, temporarily
The closing body 6 is made of a hard member, and the stem 1 is attached to the stem introducing portion 3a.
When the stalk 1 does not change its shape without depending on the shape of the stalk 1, when the beans 2 of one stalk 1 is being stripped by the bean-moistening bodies 4, 5, the other stalk 1 is introduced. When passing through the portion 3a, a gap is formed in the closing body 6 due to the thickness of the other stem 1, and the beans 2 are discharged to the outside of the moving base body 3 through this gap. With the configuration of this embodiment, such a problem does not occur.
It should be noted that, as the closing body 6, the brush material 9 having appropriate flexibility as in the present embodiment is adopted, and the characteristic of the present embodiment can be exhibited such as being composed of a resin member such as rubber. Any material can be used as appropriate.

The moving base 3 has wheels on the left and right sides thereof.
10 is provided, and the wheel 10 is rotatably provided by the operation of an appropriate drive source 11 provided on the upper portion of the front portion 3A. Therefore, the moving base 3 according to this embodiment is self-propelled with its own drive source 11, and is equipped with the basic structure essential for traveling as an agricultural work vehicle. In this embodiment, the moving base 3 is a self-propelled type,
For example, it may be a towing type that is used by connecting to an agricultural work vehicle such as a tractor.

Further, the movable base 3 is provided with operating portions 12 and 12 'having the same structure (function) at two positions, that is, the front end portion of the front portion 3A and the base end portion of the rear portion 3B. As shown in FIGS. 5 and 6, the operating portions 12 and 12 'include a stop button 31 for stopping the drive source 11, a traveling lever 32, a change lever 33 for switching the traveling speed of the moving base 3, a side clutch lever 34, and a handle. In addition to being able to operate the traveling means such as 35, it is also configured to be able to perform operations such as activating and deactivating the bean picking bodies 4, 5 and the blower 13 which will be described later. The operation portion 12 'disposed at the base end portion of the rear portion 3B changes the direction of the moving base 3 at a time other than when the edamame 2 is being stripped, such as when the moving base 3 is straddled over the ridge 7. On the other hand, the operating portion 12 arranged at the tip portion of the front portion 3A is used mainly when the moving base body 3 is moved straight ahead when the green soybeans 2 are stripped off, and the operator moves in front of the moving base body 3. It can be used when the edamame 2 is moved while confirming whether or not the work of removing the edamame 2 is being performed well.

Therefore, the worker must operate the operation units 12 and 1 each time.
By freely selecting 2 ', the moving base 3 can be favorably moved by one person.

In addition, the movable base 3 has sled-shaped ground plates 14 and 15 on the left and right for preventing the stem 1 from floating below the tip side of the front portion 3A thereof and for picking the green soybeans 2 from the stem 1 well. It is installed side by side. Between the ground plates 14 and 15, the stem 1 of the edamame 2
It is set to the stalk introduction gap through which

Further, it is desirable that the rear ends of the ground plates 14 and 15 are located at least rearward of the front end positions of the peanut removing bodies 4 and 5. This is green soybeans 2 and beans picking body 4,5
At the initial stage when the edamame 2 is squeezed between the two and the edamame 2 is stripped off, the force that pulls the stem 1 out of the ground works best. This is because it is necessary to reach a position rearward of the tip positions of 4,5.

A sandwiching plate may be erected inside the ground plates 14 and 15 so as to sandwich the stalk 1, or instead of the sandwiching plate, sandwiching endless belts may be provided opposite to each other. You may employ | adopt the structure pinched between the belts which oppose.

The grounding plates 14 and 15 have a first stem guiding portion.
16 are provided.

The first stalk guide portion 16 is composed of a suitable metal rod member as shown in FIGS. 2 and 3, and for example, the tilted stalk 1 is raised by the bent tip portion 27a thereof to surely contact it. It is constructed so that it can be guided between the ground planes 14 and 15.

A second guiding part 17 is provided on the front surface of the moving base 3 in the vicinity of the first stem guiding part 16.

The second stem guiding portion 17 is the first stem guiding portion.
Similar to 16, it is composed of an appropriate metal rod member as shown in FIGS. 2 and 3, so that the stem 1 that has passed through the first stem guiding portion 16 can be surely guided well to the stem introducing portion 3a. Is configured.

In addition, FIG. 5 shows a guiding part in which the first stem guiding part 16 and the second guiding part 17 are integrated, and the stem 1 is surely removed from the case body 30 in the case body 30. A third stalk guide portion (not shown) may be provided to guide 29 well.

Further, a pair of bean grabber removers 4 and 5 are provided in the front portion 3A of the movable base 3.

The bean stripping bodies 4 and 5 are radially provided with flexible plates 4b and 5b at positions facing the metal shaft rods 4a and 5a, respectively.
And the shaft rods 4a, 5a are provided with metal cover bodies 4c, 5c having tapered portions 4c ', 5c' at their tips.
c is attached, and the flexible plates 4b and 5b slightly project from the grooves formed in the cover bodies 4c and 5c.

Further, the bean-gripping bodies 4 and 5 are obliquely installed in the front portion 3A with a predetermined space therebetween, with the rear side being raised with respect to the forward direction.
It is rotatably provided via.

Explaining the process of removing the edamame 2 from the bean moisturizing bodies 4 and 5, when the stem 1 is arranged between the rotated bean moisturizing bodies 4 and 5, the two bean moisturizing bodies 4 and 5 are respectively removed. As the tips of the flexible plates 4b and 5b move the green soybeans 2 upwards, the stripping process for stripping off the stem 1 is performed.

A carrier 27 is provided on the moving base 3.

The carrier 27 is composed of a pair of rotating shafts 27a that rotate via the drive source 11 and a pair of conveyor belts 27b that are installed between the rotating shafts 27a. Inside the front portion 3A of the base body 3, the bean grabber removal bodies 4, 5
Is obliquely installed so as to be parallel to the rear (lower) position. Therefore, the green soybeans 2 received by the carrier 27 are carried to the rear portion 3B side.

Further, the carrier 27 has its leading end side (lower end side).
A gap (passing portion 18) is formed in the central portion.

This passage portion 18 is for guiding the stalk 1 to the bean-scraping bodies 4 and 5 in a state in which the stalks can be easily stripped off, and allows the stem 1 to pass through the moving base 3 as in the case of the ground plates 14 and 15 described above. Is.

More specifically, this passing portion 18
Is provided at a central position of a carrier 27, which will be described later, at a lower position (rear position) of the scraping processing section between the bean scraping bodies 4 and 5. Since the edamame 2 falling from the bean picking bodies 4 and 5 can be reliably received by being provided behind the bean picking bodies 4 and 5, it is necessary to pass the stem 1 to the position of the carrier 27. Because there is.

Further, in the passage portion 18, the stripped green soybeans 2
A passage blocker 19 is provided to prevent the particles from passing through and being discharged to the outside of the moving substrate 3.

The passage blocker 19 is composed of a pair of brush members 20 having an appropriate flexibility to allow passage of the stalk 1, and the pair of brush members 20 are provided on the left and right edges of the opening of the passage portion 18. It is configured so as to project inwardly from each other in an opposing state. Therefore, in the passage blocker 19, the stalk 1 is the bean grubber removing body 4,
When passing between 5 stems, the shape of the stem 1 is changed according to the shape of the stem 1 to maintain the closed state of the passage portion 18 and allow the stem 1 to pass therethrough. Part 3
Similar to the block 6 provided in a, even when the stem 1 is passing through the passage portion 18, the soybeans 2 stripped off by the bean stripping bodies 4 and 5 are transferred from the passage portion 18 of the stem 1 to the outside of the moving substrate 3. It will be prevented from being discharged as much as possible.

The left and right conveyor belts 27 related to the conveyor 27 are also provided.
Rotating blades 21 are provided at the respective tip portions of b.

The rotary vane 21 is arranged in a receiving container 22 provided at a lower end portion of the carrier 27, and has the drive source 13 described above.
It is rotatably provided via.

The rotary blade 21 is constructed so as to scrape up the edamame 2 or leaf scraps that have been picked up by the bean picking bodies 4 and 5 and have fallen into the receiving container 22 and send them to the carrier 27.

In the present embodiment, the bean grabbers 4, 5 are arranged so that their tips are located near the ground (ridges 7) so that the soybeans 2 can be properly stripped from the underside of the stem 1. 27
Due to its structure, it cannot be placed up to a position in the vicinity of the tip of the beans picking bodies 4, 5, so that the beans picking bodies 4,
Receiving container with a small installation space near the tip of 5
Is provided, and the soybeans 2 and leaf waste received by the receiving container 22 are scraped up by the rotary blades 21 and sent to the carrier 27.

With the above structure, the front portion 3A of the moving base 3 is
(Mamegi removal processing unit 29) is a case body with almost the entire surface blocked
Therefore, it is possible to prevent the green soybeans 2 that have been stripped by the bean stripping bodies 4 and 5 from being discharged (falling) to the outside of the moving substrate 3 as much as possible.

Further, a sorting body 23 is provided in the rear portion 3B of the moving base body 3 near the end position of the carrier 27.

The sorting body 23 is a plate-shaped member made of an appropriate metal, and is arranged at a position spaced apart from the end of the carrier 27 by a predetermined distance. When the stalk 1 of a predetermined length that has been removed from the ground or broken by the action of the stripping bodies 4 and 5 is transported by the transport body 27, the stalk 1
It is for sending out to the rear of the sorting body 23 without dropping it through the sorting body 23 to the harvest box 24 installed below the gap.

The sorting body 23 is not limited to the plate type as in the present embodiment, but may be a structure in which a plurality of rollers are arranged side by side at a predetermined interval so that the characteristics of the present embodiment are exhibited. It is adopted as appropriate.

Further, a blower 25 (blower) is provided below the end of the carrier 27 in the rear portion 3B of the movable base 3.

The blower 25 is constructed so that the air blows up at a predetermined wind pressure from below toward the rear (direction a in FIG. 1) in the gap between the end of the carrier 27 and the sorting body 23.
Even if the wind pressure is of such a size that it can pass through the gap between the end of the carrier 27 and the sorting body 23, light dust and dust blown off by the wind do not pass through the gap. Similar to the stem 1, behind the moving substrate 3 (outside)
On the other hand, the relatively heavy edamame 2 which is not blown away by the wind is dropped into the harvest box 24.

Therefore, only the green soybeans 2 transported by the transporting body 27 fall into the harvest box 24, and are reliably sorted from the other leaf chips, stems 1 and the like.

Reference numeral 26 is a cover body. Hereinafter, a method for harvesting edamame using the bean harvester according to the present embodiment will be described.

First, when the moving base 3 is moved forward while rotating the bean grabs 4 and 5 while the ridge 7 of the field is straddled, the stem 1 is introduced between the left and right ground plates 14 and 15. When the moving base 3 is advanced as it is, a pair of bean grabber removal bodies 4, 5
As the moving base 3 advances, the position for removing the stalk 1 from the stalk 1 gradually becomes higher, and the edamame 2 is completely stripped from the stalk 1. At this time, even if the stripped beans 2 are scattered, the beans 2 are prevented from being discharged to the outside of the moving base 3 by the closing body 6 as much as possible.

Subsequently, the stripped edamame 2 and a part of the leaf chips are sent upward by the carrier 27, and properly sorted and only the edamame 2 is collected in the harvest box 24.

Since this embodiment is constructed as described above, efficient harvesting work can be performed without wasting the beans 2.

In this embodiment, the occluder 6 is the stem 1
When the stalk 1 passes, the shape of the occlusal body 6 changes according to the shape of the stalk 1 to allow only the stalk 1 to pass.
Therefore, the beans 2 stripped from the stem 1 are reliably prevented from passing through the stem introducing portion 3a, and more efficient harvesting work is performed.

Further, in this embodiment, since the operating portions 12 and 12 'are provided in front of and behind the moving base body 3, and the operating portion 12 on the front side is the operating portion 12 to be operated at the time of removing the beans 2, for example, beans 2 can be carried out while confirming the situation such as whether or not 2 is surely introduced into the bean ripening processing section 29 in front of the moving base body 3, while the rear operating section 12 'is used to remove the edamame 2 Since the operating unit 12 'is operated when moving the moving base 3 other than during the work, the operation such as changing the direction of the moving base 3 can be favorably performed.

[Brief description of drawings]

FIG. 1 is a side view showing a usage state of the present embodiment.

FIG. 2 is a front view showing a usage state of the present embodiment.

FIG. 3 is a perspective view showing a usage state of the present embodiment.

FIG. 4 is a plan view showing a main part according to the present embodiment.

FIG. 5 is a perspective view showing a usage state of the present embodiment.

FIG. 6 is a perspective view showing a main part according to the present embodiment.

[Explanation of symbols]

1 stem 2 beans 3 Moving base 4 Beans picked body 5 Beans picked body 6 occluder 12 Operation part 12 'operation part 29 Beans picking processing department 30 case body

─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP 2000-236725 (JP, A) Patent 2884024 (JP, B2) (58) Fields investigated (Int.Cl. ⁷ , DB name) A01D 45/00- 45/30

Claims (3)

(57) [Claims] 1. A bean harvester for removing beans grown on a stalk vegetated on the ground without pulling out the stalk from the ground, wherein a movable base has a pair of rotatable bean stripping bodies having a predetermined height. The bean rip-off body is installed obliquely around the pair of bean-moistening bodies, and the bean-moistening treatment section covered by the case body is provided. A bean harvesting machine, characterized in that a blocking body is provided to prevent passage of the beans that have been removed, and a passage part through which the stems from which the beans have been removed pass is provided in the bean removal process section. 2. The bean harvester according to claim 1, wherein, when the stalk is passed through as the closing body, the stalk is configured to change its shape in accordance with the shape of the stalk to allow only the stalk to pass through. A bean harvester characterized by using a closed body. 3. The bean harvester according to claim 1, wherein an operating unit is provided in front of and behind the movable base.