JPH08168310A - Farm product harvester - Google Patents

Abstract

PURPOSE: To provide a self-propelled farm product harvester so designed that a farm product such as rootcrops is pulled off a field and harvested and, while it is conveyed behind the machine body, the roots are cut off the stems/leaves, and the roots are turned during their movement and, concurrently, impurities are excluded automatically. CONSTITUTION: Under a cutting treatment device, an endless root conveyer belt 46 to receive the roots falling after cut with the cutting treatment device and convey in a specified direction; and above the root conveyer belt, a sorting/ turning roller 47 revolving opposite to the moving direction of the root conveyer belt and spaced a bit from the root conveyer belt is arranged slantly by a specified angle when viewed from the top.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention deflects agricultural products such as root vegetables by pulling them from the field and harvesting them, cutting the roots from the foliage while transporting them to the rear of the machine, and moving the roots. At the same time, it relates to a self-propelled agricultural product harvester that automatically removes contaminants.

[0002]

2. Description of the Related Art Conventionally, an agricultural product vegetated in a field on a traveling machine is sandwiched by a pair of left and right endless bands, pulled out from the field, and harvested. A harvesting machine has been proposed in which a harvesting / transporting zone for transporting is provided, and a cutting processing device for cutting a root portion from a foliage portion of an agricultural product at a predetermined position is provided below a rear portion of a transporting path of the harvesting / transporting zone.

[0003]

In the conventional agricultural product harvesting machine as described above, the roots cut and dropped by the cutting processing device are received on the endless conveyor and conveyed, and are sorted during the conveyance. , Or directly in the container.For this reason, foliage mixed in the root, dirt such as soil, soil adhering to the root, unnecessary tails and fine roots are stored in the container as they are, There was a problem that it had to be sorted and removed. The present invention has been made for the purpose of solving the above problems.

[0004]

[Means for Solving the Problems] In order to achieve the above-mentioned object, the present invention provides a traveling machine body with agricultural products vegetated in a field, which is sandwiched by a pair of left and right endless bands and pulled out from the field to be harvested. A harvesting / conveying zone is provided to convey the harvested agricultural products while hoisting them toward the rear of the machine, and a cutting process is performed below the rear part of the conveying route of the harvesting / conveying zone to cut the roots from the foliage of the agricultural products at a predetermined position. In the harvester provided with the device, below the cutting device, an endless root conveying belt that receives the root cut by the cutting device and drops and conveys it in a predetermined direction is provided, and on the upper surface of the root conveying belt. In addition, a sorting / diverting roller which has a slight gap with the root portion conveyor belt and rotates in a direction opposite to the moving direction of the root portion conveyor belt is arranged at a predetermined angle in plan view.

[0005]

With the above structure, in the agricultural product harvesting machine of the present invention, foreign matter such as foliage and soil that have fallen onto the root conveyor belt passes through the gap between the sorting / diverting roller and the conveyor belt and terminates at the conveyor belt. From outside the machine. In addition, soil attached to the root, unnecessary tails, fine roots, etc. attached to the root are removed when turning while coming into contact with the root or the outer circumference of the sorting / diverting roller, and from the end of the conveyor belt. It is discharged outside the aircraft.

[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 to 5, reference numeral 1 is an agricultural product harvester (in this embodiment, applied to a carrot harvester).
Then, this agricultural product harvesting machine 1 is equipped with crawlers 2 and 2 which form a pair of right and left and are capable of spin rotation. An engine 3 is mounted in the center of the machine body between the crawlers 2 and 2, and a hydraulic unit (not shown) driven by the engine 3 is mounted in the vicinity thereof. A transmission 4 is provided at a rear position of the engine 3 between the crawlers 2 and 2 so that the crawlers 2 and 2 are driven at variable speed and steered. In addition, as shown in detail in FIG. 6, from the front part of the lower part of the one side of the airframe to the upper part of the airframe to the rear part of the airframe, the stems and leaves of carrots vegetated in the field are sandwiched and pulled out, and lifted backward. While the pair of left and right first conveyor belts 5 to be conveyed is provided in a forward tilted posture, the first conveyor belt 5 is placed on the lower side of the first conveyor belt 5 from a substantially middle position in the longitudinal direction to the terminal end. The second conveyor belt 6 is provided so as to be installed.

The body of the first conveyor belt 5 (field scene)
The forward tilt angle is 38 degrees, and its moving speed is about 1.3 times the moving speed of the aircraft (ground speed).
It is set to be slightly faster (about 7 times). Further, the moving speed of the second conveyor belt 6 is
The speed is set to be about 1.5 times faster than the moving speed of the conveyor belt 5. Then, the first conveyor belt 5 is located at the end side after overlapping with the second conveyor belt 6 as shown in FIG.
As is clear from the above, the left and right endless belts are slightly opened so that the facing interval becomes wider toward the rear.

The first conveyor belt 5 and the second conveyor belt 6 are wide belts that are wound around a pair of front and rear pulleys 7 and rotate in the direction of the arrow. It is pressed alternately by 8, 8 ... A digging blade 9 that digs under the carrot vegetated in the field while vibrating back and forth slightly below the front part of the first conveyor belt 5.
Is provided so as to be movable up and down, and a scraping wheel 10 for scraping the foliage of carrot is coaxially provided on the upper side of the tip rotating portion of the first conveyor belt 5. The first conveyor belt 5 and the second conveyor belt 6 are supported by a support frame that is long in the front-rear direction, and can rotate up and down about a fulcrum O provided at a substantially middle portion thereof. The vertical movement is adjusted by the expansion and contraction operation of the cylinder.

A cutting device 11 is provided below the second conveyor belt 6, and a passage is provided in front of the cutting device 11 according to the size and shape of the harvested product, as shown in FIGS. 7 to 9. A pair of left and right guide bodies 12 are provided that are expandable and contractible and that align the moving crops forward and backward. This guide 12
Are pivotally attached to the both ends of the pair of left and right fixing members 13 fixed to the body side, respectively, one ends of the expansion links 14 and 14,
A guide plate 15 is pivotally supported on the other ends of the expandable links 14, 14. A resin plate 16 is attached to a portion of the guide plate 15 that contacts the root of carrot. A coil spring 17 is stretched between the expandable links 14 and 14 and urges the guide plates 15 and 15 to face each other. Pin portions at both ends of the support arm 19 are loosely fitted into the pair of support holes 18, 18 provided in the guide plate 15, and one pair of sliding rods 2 having one end fixed to the support arm 19 are provided.
The other ends of 0 and 20 are slidably fitted into the fixed member 13. The passage of the ginseng passing between the guide plates 15 and 15 can be expanded or contracted according to the size and shape thereof.

Below the first conveyor belt 5 on the front side of the second conveyor belt 6, a first alignment guide body 21 and a second alignment guide body 22 having the same structure as the guide body 12 are provided.
Is arranged. The first alignment guide 21 and the second alignment guide 21
The alignment guide 22 has a shape slightly different from that of the guide 12 and has substantially the same configuration and function. Therefore, a and b are added to the reference numerals of the respective constituent members for detailed description. The description is omitted. This alignment guide may be one, or two or more. At the rear end of the second alignment guide 22, that is, below the boundary between the first conveyor belt 5 and the second conveyor belt 6,
A harvested product collecting device 23 is provided for collecting harvested products that fall when they are taken over from the transport belt 5 to the second transport belt 6. The harvested product collecting device 23 includes a container mounting table 24 that covers the crawler 2 from above and laterally, and a container 25 that is mounted on the container mounting table 24.

Above the end portion of the first conveyor belt 5, the first conveyor belt 5 is provided.
A base end portion of a foliage discharging body 26 that takes over the foliage portion conveyed by the second conveyor belts 5 and 6 and directs the foliage portion toward the rear of the machine and discharges the same is provided coaxially. The foliage discharger 26 includes a feed chain 27 and a pinching rail 28.
And is arranged so as to curve downward toward the rear end of the machine body. The upper part of the first conveyor belt 5 and the foliage discharge body 26 is covered with a cover 29, and the foliage discharge guide 30 is provided below the foliage discharge body 26. Further, on the front side of the first conveyor belt 5, a foliage portion lateral scraping / scraping device 31 and a foliage portion vertical scraping / scraping device 32 are integrally provided. The first conveyor belt 5, the foliage lateral scraping / plucking device 31, and the foliage vertical scraping / plucking device 32 are supported by a ground wheel 33, and the ground wheel 33 can be adjusted up and down by a vertical adjustment handle 34. Is.

A control section 35 is provided on the front side of the machine body opposite to the first conveyor belt 5, and a pilot step 36 is provided behind the control section 35.
And a control seat 37 are provided respectively. A sorting work step 38 is provided behind the control seat 37, and a side of the pilot step 36, the control seat 37 and the selection work step 38 is provided with a movement of the pilot, the selection worker, and a container platform. Folding multipurpose step 39
Is provided. Further, behind the multipurpose step 39 and below the rear portions of the first conveyor belt 5 and the second conveyor belt 6, container mounting tables 40, 41, 42, 43 are foldably provided.

The cutting apparatus 11 is composed of a pair of left and right positioning rolls 44 for positioning the root of carrot and a cutter blade 45 for cutting the root from the foliage. Below the cutting processing device 11, the cutting processing device 11
An endless root conveying belt 46 that receives the root that is cut and falls by a predetermined direction and conveys the root in a predetermined direction is provided, and the root conveying belt 46 has a slight gap on the upper surface of the root conveying belt 46 and conveys the root. The sorting / diverting roller 47, which rotates in the direction opposite to the moving direction of the belt 46, is
It is arranged with an inclination of 0 degree. This root conveyor belt 46
A sorting conveyor 48 is provided so as to intersect with the sorting / diverting roller 47 in a direction opposite to that of the sorting / diverting roller 47. The sorting conveyor 48 is adapted to be turned on and off by a sorting conveyor clutch lever 49.

Agricultural product (carrot) harvester 1 having such a configuration
First, in accordance with the two rows of ginseng ridges in the field, the foliage lateral scraping / plucking device 31 and the foliage vertical scraping
The scraping device 32 is opposed, and the excavation depth is adjusted by the grounding wheel 33 to advance the machine body and perform the harvesting work. Then, the carrots of which the roots have been dug up by the dug-up blade 9 are the The foliage portions in two rows are sandwiched by the conveyor belt 5, pulled out from the field, and conveyed while being lifted toward the rear of the machine body. In this conveying process, the harvested products are aligned front and back by the first aligning guide body 21 and the second aligning guide body 22, and are taken over by the second conveyer belt 6 and conveyed. The carrot that dropped during this takeover was a container 25
To be housed.

Carrots transported by the second transport belt 6 are
While being re-aligned by the guide body 12, the front-rear spacing is widened, and the cutting device 11 accurately cuts the root part from the foliage part at a predetermined position, and the root part falls onto the root part conveyance belt 46 for sorting / diverting. Contaminants are sorted by the roller 47 and sent to the rear, and the root is turned and the sorting conveyor 48 is used.
Are placed in a container placed on the container placing table 41 after being sorted. On the other hand, the foliage part whose root is cut is conveyed by the second conveyor belt 6 and the first conveyor belt 5, discharged by the foliage discharger 26 and discharged in a predetermined direction via the foliage discharge guide 30.

[0016]

As described above, according to the agricultural product harvesting machine of the present invention, an endless root transfer for receiving a root cut and dropped by the cutting processing device in a predetermined direction below the cutting processing device. A belt is provided, and on the upper surface of the root conveyor belt, a sorting / diverting roller that has a slight gap with the root conveyor belt and rotates in the direction opposite to the moving direction of the root conveyor belt is inclined at a predetermined angle in plan view. Since it is arranged in such a manner, foreign matter such as foliage and soil mixed in the root portion on the root portion conveyor belt is discharged from the end of the conveyor belt to the outside of the machine through the gap between the sorting / diverting roller and the conveyor belt. . Also,
When soil that adheres to the roots, unnecessary tails, fine roots, etc. is turned around in contact with the roots or the outer circumference of the sorting / diverting roller, it should be caught in the upper surface of the sorting / diverting roller and the conveyor belt. And is discharged from the end of the conveyor belt to the outside of the machine. Therefore, the foliage mixed with the roots, the contaminants such as soil, the soil adhering to the roots, and unnecessary tails and fine roots are automatically removed.

[Brief description of drawings]

FIG. 1 is an overall side view of an agricultural product harvester according to the present invention.

FIG. 2 is an overall side view showing the main part.

FIG. 3 is an overall plan view of an agricultural product harvester according to the present invention.

FIG. 4 is an overall plan view showing the main part.

FIG. 5 is an overall plan view showing the main part.

FIG. 6 is an overall plan view in which a part of the harvesting / transporting zone is omitted.

FIG. 7 is a bottom view of the guide of the cutting device.

8 is a view taken along the line AA of FIG.

FIG. 9 is a front view of a guide of the cutting device.

FIG. 10 is a bottom view of the first alignment guide body.

11 is a view taken along the line BB of FIG.

FIG. 12 is a front view of a first alignment guide body.

FIG. 13 is a plan view of a second alignment guide body.

FIG. 14 is a view taken along the line CC of FIG.

[Explanation of symbols]

 1 Agricultural Product (Carrot) Harvester 2 Crawler 3 Engine 4 Transmission 5 First Conveyor Belt 6 Second Conveyor Belt 7 Pulley 8 Spring Roll 9 Digging Blade 10 Scraping Wheel 11 Cutting Treatment Device 12 Guide 13 13a 13b Fixed Member 14 14a 14b Telescopic link 15 15a 15b Guide plate 16 16a 16b Resin plate 17 17a 17b Coil spring 18 18a 18b Support hole 19 19a 19b Support arm 20 20a 20b Sliding rod 21 First alignment guide 22 Second alignment guide Body 23 Harvest harvesting device 24 Container placing table 25 Container 26 Stem / leaf discharge body 27 Feed chain 28 Entrapment rail 29 Cover 30 Stem / leaf discharge guide 31 Stem / leaf side horizontal scraping / scraping device 32 Stem / leaf vertical scraping / scraping device 33 Grounding wheel 34 Vertical adjustment handle 35 Control part 36 Operator's step 37 Control seat 38 Sorting step 39 Multi-purpose step 40-43 Container mounting table 44 Positioning roll 45 Cutter blade 46 Root conveyor belt 47 Sorting / diverting roller 48 Sorting conveyor 49 Sorting Clutch lever for conveyor

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[Procedure amendment]

[Submission date] November 30, 1995

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] 0005

[Correction method] Change

[Correction content]

[0005]

With the above structure, in the agricultural product harvesting machine of the present invention, foreign matter such as foliage and soil that have fallen onto the root conveyor belt passes through the gap between the sorting / diverting roller and the conveyor belt and terminates at the conveyor belt. Is discharged from the aircraft. In addition, soil adhering to the root and unnecessary tails and fine roots adhering to the root are removed when turning while coming into contact with the root or the outer circumference of the sorting and diverting roller, and are removed from the end of the conveyor belt. It is discharged outside.

[Procedure Amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0006

[Correction method] Change

[Correction content]

[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 to 5, reference numeral 1 is an agricultural product harvester (in this embodiment, applied to a carrot harvester).
Then, this agricultural product harvesting machine 1 is equipped with crawlers 2 and 2 which form a pair of right and left and are capable of spin rotation. An engine 3 is mounted in the center of the body between the crawlers 2 and 2, and a hydraulic unit (not shown) driven by the engine 3 is mounted in the vicinity thereof. A transmission 4 is provided at a rear position of the engine 3 between the crawlers 2 and 2 so that the crawlers 2 and 2 are driven at variable speed and steered. In addition, as shown in detail in FIG. 6, from the front part of the lower part of the one side of the airframe to the upper part of the airframe to the rear part of the airframe, the stems and leaves of carrots vegetated in the field are sandwiched and pulled out, and lifted backward. While the pair of left and right first conveyor belts 5 to be conveyed is provided in a forward tilted posture, the first conveyor belt 5 is placed on the lower side of the first conveyor belt 5 from a substantially middle position in the longitudinal direction to the terminal end. The second conveyor belt 6 is provided so as to be installed.

[Procedure 3]

[Document name to be amended] Statement

[Correction target item name] 0014

[Correction method] Change

[Correction content]

Agricultural product (carrot) harvester 1 having such a configuration
First, in accordance with the two rows of ginseng ridges in the field, the foliage lateral scraping / plucking device 31 and the foliage vertical scraping
The scraping device 32 is opposed, and the excavation depth is adjusted by the grounding wheel 33 to advance the machine body and perform the harvesting work. Then, the carrots of which the roots have been dug up by the dug-up blade 9 are the The two rows of foliage are sandwiched by the conveyor belts 5 and 5 and pulled out from the field, and conveyed while being lifted toward the rear of the machine body. The harvest is the first
Are aligned front and back by the aligning guide body 21 and the second aligning guide body 22, and are transferred by being taken over by the second conveyor belt 6. The carrots dropped at the time of taking over are stored in the container 25.

Continued Front Page (72) Inventor Hideaki Isozaki 86-1 Nakamune, Okayama City, Okayama Prefecture

Claims (1)

[Claims] 1. An agricultural product vegetated in a field is clamped by a pair of left and right endless bands on a traveling machine body, pulled out from the field and harvested, and the harvested agricultural product is conveyed while being lifted toward the rear of the machine body. A harvesting machine provided with a harvesting / transporting zone, and a cutting device for cutting a root portion from a foliage portion of an agricultural product at a predetermined position below a rear portion of a transporting route of the harvesting / transporting zone, below the cutting processing device, An endless root conveyor belt that receives the root that is cut and dropped by the cutting device and conveys it in a predetermined direction is provided, and the root conveyor belt has a slight gap with the root conveyor belt on the upper surface of the root conveyor belt. An agricultural product harvesting machine, characterized in that sorting and diverting rollers that rotate in a direction opposite to the moving direction of are arranged at a predetermined angle in plan view.