JPH07327443A - Agricultural product harvester - Google Patents

Abstract

PURPOSE:To provide an agricultural product harvester equipped with a harvesting and conveying belt for pulling out an agricultural product growing in the field, e.g. a root vegetable, conveying it toward the back of the machine body and harvesting it and a divider capable of performing a vertical motion in front of the harvesting and conveying belt. CONSTITUTION:In this agricultural product harvester, the running machine body is equipped with a harvesting and conveying belt unit 6 for harvesting an agricultural product growing in the field by nipping the stem and leaf part of it between a pair of right and left belt conveyors and pulling the root and stem part out of the ground along with travel of the machine body and conveying the harvested agricultural product toward the back of the machine body while keeping the agricultural product upward in a state in which the stem and leaf part is nipped and a divider 20 for dividing the stem and leaf part in front of this harvesting and conveying belt 6. The divider 20 is attached to the front part of the machine body in a posture tilted backward and vertically movably supported through a parallel link 20a to the machine body. An energizing spring 20b for descending the divider 20 is stretched between the divider 20 and the machine body so that the machine body may travel in a state in which the lower end surface of the divider 20 may be almost in contact with the field surface.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention comprises a harvesting / transporting zone for extracting agricultural products such as root vegetables vegetated in a field and transporting them toward the rear of the machine, and a divider movable up and down on the front side thereof. Agricultural harvester.

[0002]

2. Description of the Related Art Conventionally, an agricultural product such as carrot vegetated in a field is squeezed by a traveling machine, and its stems and leaves are sandwiched by a pair of left and right endless bands, and the rhizome is extracted from the field while the machine is traveling and harvested. Then, a harvesting / transporting zone is provided for transporting the harvested agricultural products while hoisting the foliage portion toward the rear of the machine, and a pair of left and right foliage-producing plants are provided in front of the harvesting / transportation zone. An agricultural product harvester provided with this divider has been proposed by the present applicant. Then, the debander is fixed to the front part of the machine body and falls down as the machine body advances, and the intersecting foliage parts are separated into right and left and sent to the harvesting / conveying zone.

[0003]

In the conventional agricultural product harvesting machine as described above, the divider is only fixed to the front part of the machine body, and the foliage portion which has fallen or intersected with the progress of the machine body is divided by the divider. Although it is separated into left and right, for example, the left and right cultivation ridges of two or more rows in the field to be harvested sometimes have different vertical heights, and there are irregularities, and the dividers are adjusted according to the different heights and irregularities. There was a problem that reliable weeding would not be performed unless the height of the plant was adjusted or changed. The present invention has been made for the purpose of solving the above problems.

[0004]

In order to achieve the above-mentioned object, the present invention provides a traveling machine body in which a foliage portion of an agricultural product vegetated in a field is sandwiched by a pair of left and right endless belts, and the machine body travels while the machine body travels. The roots are pulled out from the plant to harvest, and a harvesting / transportation zone is provided to transport the harvested agricultural products while hoisting the stems and leaves toward the rear of the machine.
In the harvester in which a divider for weeding the foliage is arranged on the front side of the conveyor belt, the divider is arranged in a tilted manner in the front part of the machine body and is vertically movable via a parallel link to the machine body. It is characterized in that a spring is provided between the divider and the machine body for urging the divider in the direction of lowering it so that the lower end surface of the divider moves in a state of being almost in contact with the field scene.

[0005]

With the above construction, the agricultural product harvester of the present invention is
The divider supports the machine body via a parallel link so that it can move up and down, and a spring for urging the divider in the direction of lowering the divider is installed between the divider and the machine body so that the lower end surface of the divider is almost the same as the field scene. Since they move in contact with each other, the divider automatically moves up and down based on the field scene during the work to divide the foliage, so that the fallen foliage is surely divided.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be specifically described below with reference to the accompanying drawings. 1 and 2, reference numeral 1
Is an agricultural product harvesting machine (a carrot harvesting machine in this embodiment), and this agricultural product harvesting machine 1 is equipped with crawlers 2 and 2 which form a pair of right and left and enable super-trust turning. This crawler 2, 2
An engine 3 is mounted in the center of the body between them, and a hydraulic unit 4 driven by the engine 3 is mounted in the vicinity thereof. A transmission 5 is provided at a rear position of the engine 3 between the crawlers 2 and 2, so that the crawlers 2 and 2 travel at variable speeds.
Steering drive. In addition, from the lower front near the one side of the airframe to the rear of the airframe passing above the airframe, the stems and leaves S of the carrot C (rhizome) vegetated in the field are sandwiched, and the carrot C is pulled out as the airframe progresses, A pair of left and right pull-out conveyor belts 6 and 6 which are conveyed while being lifted up toward are supported by a support frame 7.

Below the front of the pull-out conveyor belts 6 and 6,
Providing a digging blade 8 for digging under the carrot C in the field,
Further, on the upper side of the tip rotation part of the pull-out conveyance belts 6, 6,
The scraping wheels 9, 9 for scraping the foliage S of the carrot C are provided coaxially. The scraping wheels 9 and 9 have substantially the same diameter as the outer diameters of the starting end portions of the pull-out conveying belts 6 and 6,
A predetermined space is provided above the pull-out conveyance belts 6 and 6, and the pull-out conveyance belts 6 and 6 are coaxially fixed with a front-back difference. Further, a foliage processing device 10 for cutting the foliage portion S from the carrot C at a predetermined position is provided below the conveyance rear ends of the pull-out conveyance belts 6 and 6, and the foliage portion S is cut below the foliage treatment device 10. A sorting conveyer 11 is provided for sorting foreign substances by a worker while receiving the ginseng C that falls and laterally transporting it. The worker performs the sorting work on one side or both sides of the sorting conveyor 11.

Clutch levers 12, 12 for independently connecting and disconnecting the driving power to the sorting conveyor 11 are provided on both sides of the sorting conveyor 11 so that they can be operated on both sides of the sorting conveyor 11. There is. In addition, at the transporting end portion of the sorting conveyor 11, a container 13 containing the carrot C discharged from the transporting end of the sorting conveyor 11 is provided.
Is mounted on a container support base 15 supported so as to sequentially rotate according to the weight of the stored carrot C via an elastic mechanism 14 composed of an air cylinder. Step 1 in which a worker performing a sorting operation on the sorting conveyor 11 rides around the container support base 15 and the sorting conveyor 11
1a and a sorting seat 11b on which an operator sits, and a plurality of container mounting bases 15a for mounting spare containers 13a are provided. Although not shown, the sorting conveyor 1 facing the sorting seat 11b.
Steps and seats for a sorting operator are provided at a position opposite to 1, that is, at the rear end of the machine body.

The pull-out conveyor belts 6 and 6 are pivotally supported so as to be vertically rotatable at a supporting position of the rear supporting frame 7, and the front portion is supported by a ground wheel 16 which is vertically adjustable by an up / down adjusting handle 16a. The front end side is vertically adjusted by the expansion and contraction operation of a hydraulic cylinder (not shown) that is installed between the machine body and the pull-out conveyance belts 6 and 6. Further, the excavating blade 8 is provided with a horizontal blade 8a, which is supported by a support wheel 8b so as to be adjustable in the vertical direction, and vibrates in the front-back direction by a vibration crank 18, and is vertically adjusted by the expansion and contraction operation of the hydraulic cylinder 17. It has become so. Further, the center of the support wheel 8b and the center of the front end idler wheel of the crawler 2 are separated by a length L. The longer the length L, the more effective the support effect of the support wheel 8b is. Then, the excavated excavating blade 8 and the lateral blade 8a excavate the lower part of the carrot C vegetated in the field so that the carrot C can be pulled out by the pull-out transport belts 6 and 6 with little resistance. On the front side of the pull-out conveyance belts 6 and 6, a scraping device 19 for scraping the foliage S of carrot and a divider 20 for weeding the foliage S of carrot are provided.

The divider 20 is, as shown in FIG.
It is arranged in a rearwardly inclined manner at the front part of the machine body and is supported on the front surface of the case of the scraping device 19 so as to be vertically movable via parallel links 20a, 20a, and at the same time, the divider 20 and the scraping device 19
A spring 20b for urging the divider 20 downward is provided between the spring 20b and the case. Further, in the embodiment of FIG. 4, the stopper 2 is placed at the vertical position of the parallel links 20a, 20a.
0c and 20c are provided to regulate the moving range of the parallel links 20a and 20a. And the divider 20
As shown in FIG. 5 and FIG. 6, the lower end surface of is moved so as to be almost in contact with the farm scene G. A control section 21 is provided on the side opposite to the pull-out conveyor belts 6, 6 side of the machine body, and the operator rides on the rear side of the control section 21 Step 2
1a and a controllable seat 21b are provided. The pilot seat 21b can be used in either a sitting posture or a standing posture, and can be rotated in the horizontal direction to perform a sorting operation on the sorting conveyor 11. On the rear side (or the lateral direction) of the control seat 21b, the above-described step 11a on which the selection operator rides and the rearward selection seat 11b coaxial with the control seat 21b via an eccentric arm are arranged.

The foliage processing apparatus 10 is composed of a pair of cutting and positioning rolls 23, 23 that both rotate inward, and a disc-shaped cutter blade 24. The foliage portion S is sandwiched by pull-out conveyor belts 6, 6. The foliage portion S and the carrot C that are conveyed are cut and positioned by the cutting positioning rolls 23 and 23.
Is positioned, and the foliage S is cut from a predetermined position by the cutter blade 24. In addition, the carrot C that is conveyed while the foliage portion S is sandwiched by the pull-out conveyance belts 6 and 6 is automatically introduced into the foliage treatment device 10 during its movement process. 10
A pair of left and right guide bodies 22 is provided on the front side of the cutting positioning rolls 23, 23. And the guide plates 22, 2
Depending on the size and shape of the ginseng C passing between the two, the passage (interval) is elastically held in a stretchable manner. In addition, the cutting height of the foliage S cut from carrot C can be adjusted, and by this adjustment, in addition to carrot, the type of root vegetables, regional characteristics,
It can be cut to a desired cutting height according to the marketability. A pair of foliage discharge rolls 25 are provided at the transport end portions of the pull-out transport belts 6, 6.

Agricultural product (carrot) harvesting machine 1 having such a configuration
First, the pull-out conveyor belts 6, 6 are adjusted up and down by the up-down adjustment handle 16a to change the height of the grounding wheel 16 in accordance with the cropping system, and also supported at an appropriate position by a hydraulic cylinder (not shown). In this embodiment, two rows of ginseng C vegetated in the field are harvested at the same time. Then, the pull-out conveyance belts 6, 6,
The operator sits on the control seat 21b and operates the control section 21 while driving the excavating blade 8 and the scraping wheels 9 and 9, respectively, and the machine body performs the harvesting work while traveling by the crawlers 2 and 2.

The rows of ginseng C vegetated in the field are supported by adjusting the lower portions of the two rows by the support wheels 8b.
The excavating blade 8 that is being vibrated by the vibrating crank 18.
5 and 6, the foliage portion S is dug up by the divider 8 which moves up and down along the field scene G, and is scraped by the scraping device 19 to be scraped by the scraping wheel. It is scraped backwards by 9, 9. Carrot C scraped by the scraping wheel 9,9
The foliage portion S is sandwiched between the start ends of the pull-out transport belts 6 and 6, and the carrot C is lightly pulled out from the field with the progress of the machine body and lifted toward the rear of the machine body. Then, the carrot C is cut by the guide 22 and the positioning roll 2 is cut.
Send to 3,23. The ginseng C passing between the guide plates 23, 23 has the guide plates 23, 23 depending on its size and shape.
Expands and contracts and is securely held and positioned. In this state, the foliage S is cut at a predetermined position by the cutter blade 24, and the carrot C falls on the sorting conveyor 11. The foliage portion S remaining on the pull-out conveyance belts 6 and 6 is further conveyed and discharged by the foliage discharge roll 25 to the field behind the machine body.

The carrot C dropped on the sorting conveyor 11 is
While being transported in the lateral direction, contaminants are sorted and removed by a sorting operator sitting on the sorting seat 11b and a sorting operator riding on the rear part of the machine body, or a rearward facing operator,
The remaining carrot C is stored in the container 13 from the transport end. If the sorting work by the operator is delayed or the container 13 is full in the sorting conveyor 11 during such harvesting work, the sorting conveyor 11 is driven without stopping the traveling of the traveling body and the driving of the harvesting unit. After shutting off only the power by the clutch lever 12 and performing the stagnant sorting process, or after replacing the container 13,
The clutch lever 12 is connected to drive the selection conveyor 11 to continue the harvesting work. Also, the sorting conveyor 11
The carrot C discharged from the transporting end portion is stored in the container 13 while being sequentially rotated by the bullet holding mechanism 14 so that the carrot C can be stored without being scratched, cracked, or damaged.

[0015]

As described above, according to the agricultural product harvesting machine of the present invention, the divider supports the machine body via the parallel link so as to be movable up and down, and lowers the divider between the machine body and the machine body. A spring was added to urge the divider to move so that the lower end surface of the divider was almost in contact with the field scene, so the divider automatically moved up and down based on the field scene during the harvesting work. By doing so, it is possible to surely weed even the foliage part which has fallen. Then, the weeded foliage can be fed to the left and right starting ends of the harvesting / transporting zone and smoothly scraped to improve the extraction performance of the rhizome, and can be transported backward in a predetermined posture.

[Brief description of drawings]

FIG. 1 is an overall perspective view of an agricultural product (carrot) harvester according to the present invention.

FIG. 2 is a side view of the same.

FIG. 3 is a side view of a main part.

FIG. 4 is a side view of the other embodiment.

5 (a) and 5 (b) are front views for explaining the operation.

FIG. 6 is a side view for explaining the operation.

[Explanation of symbols]

1 Agricultural Product (Carrot) Harvester 2 Crawler 3 Engine 4 Hydraulic Unit 5 Transmission 6 Extraction Conveyor Belt 7 Support Frame 8 Digging Blade 8a Horizontal Blade 8b Support Wheel 9 Scratch Wheel 10 Stem and Leaf Processing Device 11 Sorting Conveyor 11a Step 11b Sorting Seat 12 Clutch lever of sorting conveyor 13 Container 13a Spare container 14 Holding mechanism (air cylinder) 15 Container support stand 15a Container placing stand 16 Grounding wheel 16a Vertical adjustment handle 17 Hydraulic cylinder 18 Excitation crank 19 Stem scraping device 20 Divider 20a Parallel link 20b spring
20c Stopper 21 Steering seat 21a Step 21b Steering seat 22 Guide body 23 Cutting / positioning roll 24 Cutter blade 25 Cutter blade roll C Carrot (rhizome) S Stem and leaf G Field scene

Claims (1)

[Claims] 1. The traveling machine holds the foliage portion of the agricultural product vegetated in the field by a pair of left and right endless bands, and while the machine is traveling, the rhizome is pulled out from the field to harvest the cultivated agricultural product. A harvesting / transportation zone is provided for transporting while lifting the parts toward the rear of the machine while holding the parts.
In the harvester in which a divider for weeding the foliage is arranged on the front side of the conveyor belt, the divider is arranged in a rearwardly inclined manner at the front of the machine body and is vertically movable via a parallel link to the machine body. Agricultural products harvesting, characterized in that a spring is provided between the divider and the machine body for urging the divider in the direction of lowering it so that the lower end surface of the divider moves in a state of being almost in contact with the field scene. Machine.