JPH07327440A - Agricultural product harvester - Google Patents

Abstract

PURPOSE:To provide an agricultural product harvester equipped with scraper units coaxially attached to the starting part of 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. 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. In this harvester, flower-shaped scraper wheels 9 respectively having a diameter almost equal to the outer diameter of the starting part of the belt conveyor are coaxially attached to the starting part of a pair of right and left belt conveyors of the harvesting and conveying belt leaving a prescribed distance from the upper surface of the belt conveyer above the belt conveyor.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an agricultural product harvesting machine provided with a harvesting / transporting zone for extracting and transporting agricultural products such as root vegetables vegetated in a field to the rear of the machine.

[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. The applicant of the present invention has proposed an agricultural product harvesting machine provided with a harvesting / transporting zone for transporting the harvested agricultural product while lifting the harvested agricultural product toward the rear of the machine body while sandwiching the foliage portions. At the start ends of the endless belts on the left and right of the harvesting / conveying belt, a scraping belt is provided coaxially with the start end of the endless belt so as to project forward and efficiently scrape the foliage. .

[0003]

In the conventional agricultural product harvesting machine as described above, since the scraping belts are projectingly provided at the starting ends of the left and right endless belts of the harvesting / conveying zone, the structure becomes complicated. Not only that, but there is a problem that the foliage part is easily wrapped around the scraping belt. 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. In the harvesting machine provided with a harvesting / transporting zone for pulling out the rhizome from the plant and harvesting, and transporting the harvested agricultural products while lifting the harvested produce toward the rear of the machine, A flower-shaped scraping wheel having the same diameter as the outer diameter of the starting end of the endless belt was provided on the left and right endless belts coaxially with the upper surface of the endless belt at a predetermined distance above the endless belt. It is characterized by

[0005]

With the above construction, the agricultural product harvester of the present invention is
At the beginning of the left and right endless belts of the harvesting / transporting zone, a flower-shaped scraping wheel with the same diameter as the outer diameter of the beginning of the endless belt, and a predetermined distance above the endless belt and the upper surface of the endless belt. By arranging them coaxially with each other, the scraping wheel and the left and right start ends of the harvesting / conveying zone smoothly scrape the foliage part of the agricultural product to improve the extraction performance of the rootstock part.

[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,
As shown in FIGS. 3A and 3B, flower-shaped 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, and a space A between the upper surface and the spacer 9a above the pull-out conveying belts 6 and 6.
And is fixed coaxially with the pull-out conveyance belts 6 and 6 with a front-back difference B. In addition, the pull-out conveyor belt 6,
A foliage processing device 10 for cutting the foliage S from the carrot C at a predetermined position is provided below the rear end side of the conveyance of 6, and a carrot C cut and dropped from the foliage S is received below the foliage processing device 10. A sorting conveyor 11 is provided for sorting contaminants by an operator during lateral transportation. 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 raising blade 8 and the horizontal blade 8a are excavated to 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 a small 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.

A control section 21 is provided on the side opposite to the side of the pull-out conveyor belts 6, 6 of the machine body, and a step 21a on which the operator rides and a driver's seat 21b are disposed on the rear side of the control section 21. The driver's seat 21b can be used in either a sitting posture or a standing posture, and can also be rotated horizontally to perform a sorting operation on the sorting conveyor 11. On the rear side (or the lateral direction) of the driver's seat 21b, the above-mentioned step 11a for the sorting operator to get on
And a rearward facing selection seat 11b is disposed coaxially with the driver's seat 21b via an eccentric arm.

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.
And, the stems and leaves S are digged up by the horizontal blades 8a, weeded by the divider 20, scraped by the scraping device 19, and scraped backward by the scraping wheels 9, 9. Carrot C scraped by the scraping wheel 9,9
The foliage S is sandwiched between the start ends of the pull-out transport belts 6 and 6, and is lightly pulled out from the field as the machine advances and is conveyed while being lifted toward the rear of the machine. Then, the carrot C is sent to the cutting positioning rolls 23 by the guide 22. Ginseng C passing between the guide plates 23, 23,
The guide plates 23, 23 expand and contract according to their size and shape,
It is securely held and positioned. Cutter blade 2 in this state
4, the foliage S is cut at a predetermined position, and the carrot C falls on the sorting conveyor 11. Pull-out conveyor belt 6,6
The foliage portion S remaining in 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.

The embodiment shown in FIG. 5 is different from that of the first embodiment in that the step 11a on which the worker performing the sorting work on the sorting conveyor 11 and the sorting seat 11b on which the worker sits are omitted. , The operator on the rear of the fuselage and the operator facing backwards should perform the sorting work, and the engine 3
It has the same configuration as that of the first embodiment, except that is moved to the control section 21 side. The second embodiment is used in the same manner as the first embodiment except that the weight of the second embodiment is reduced.

[0016]

As described above, according to the agricultural product harvesting machine of the present invention, the outer diameters of the starting end portions of the endless belts 6 and 6 are almost equal to the starting end portions of the left and right endless belts 6 and 6 of the harvesting / conveying belt. By providing the flower-shaped scraping wheels 9, 9 of the same diameter above the endless belts 6, 6 coaxially with the upper surfaces of the endless belts 6, 6 with a predetermined gap A therebetween. The left and right starting ends of the harvesting / conveying zones 6 and 6 can scrape the foliage S of the agricultural product smoothly to improve the extraction performance of the rhizome C. Further, although the structure is simple as compared with the conventional one in which the scraping belt is provided, the number of windings of the foliage S is reduced, and efficient harvesting work can be performed.

[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.

3A and 3B are a schematic plan view and a side view of a main part.

FIG. 4 is an overall perspective view of an agricultural product harvester showing another embodiment of the present invention.

[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 Scratching Belt 9a Spacer 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 21 Control Seat 21a Step 21b Control Seat 22 Guide 23 Cutting Positioning Roll 24 Cutter Blade 25 Cutter Blade 25 Stem and Leaf Carrying Roll C Carrot (root stem) S Stem and Leaf A Spacing B Front-back difference

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. In a harvesting machine provided with a harvesting / transporting band that is lifted and transported toward the rear of the machine while sandwiching the part, at the start end of the left and right endless bands of the above harvesting / transportation band, outside the start end of the endless band. An agricultural product harvesting machine, characterized in that a flower-shaped scraping wheel having substantially the same diameter as the diameter is provided coaxially above the endless belt with a predetermined distance from the upper surface of the endless belt.