JP3300183B2 - Agricultural 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 method for extracting and harvesting agricultural products such as root crops from a field by using a harvesting / transporting belt, and collecting harvested products falling from the transporting belt in the process of being transported to the rear of the machine. And a self-propelled agricultural product harvester.

[0002]

2. Description of the Related Art Conventionally, traveling vehicles equipped with crawlers have
Agricultural products vegetated in the field are harvested by holding the foliage between a pair of left and right endless belts, pulling out from the field, and harvesting the harvested product toward the rear of the aircraft with the foliage sandwiched. A harvesting machine equipped with a harvesting / transporting belt for transporting while transporting has been proposed. In addition, a cutting device that cuts the root from the foliage of the crop at a predetermined position is provided below the rear portion of the transport path of the harvesting / conveying belt, and the transport crop is aligned in the front-rear direction in front of the cutting device. Harvesters equipped with guides have also been proposed.

[0003]

As described above, in this kind of agricultural product harvester, the transported crops are aligned in the front-rear direction at the front side of the cutting processing device, and the cutting device precisely cuts the roots from the foliage. Although it is necessary to provide the above-described guides and improve the harvesting / transporting belt itself for this purpose, the harvested and conveyed crop has foliage that is pinched and transported by the transporting belt. Some parts are short or small, and when they are aligned back and forth, or when they are re-clamped in the transport belt, they fall from the transport belt onto the crawler cover or crawler and step on the crawler as the aircraft advances. It was often crushed. The fallen crop was valuable and had to be recovered by some means. The present invention has been made to solve the above problems.

[0004]

Means for Solving the Problems In order to achieve the above object, the present invention provides (1) a method in which agricultural products vegetated in a field are sandwiched between a pair of left and right endless belts on a traveling machine equipped with a crawler. A harvesting machine equipped with a harvesting / transporting band for transporting the harvested material while lifting it toward the rear of the machine, and pulling the harvesting / transporting band from substantially the front end of the machine. A first conveyor belt having a length reaching an end portion, and a first conveyor belt is provided so as to be overlapped below the first conveyor belt from a substantially middle position in a longitudinal direction of the first conveyor belt to an end portion. A harvest that is constituted by a second conveyor belt and falls below a boundary between the first conveyor belt and the second conveyor belt when the second conveyor belt takes over the first conveyor belt. That a harvest collection device that collects (2) The harvest collection device is characterized by comprising a container mounting table that covers the top and sides of the crawler, and a container that is mounted on the container mounting table.

[0005]

With the above arrangement, the agricultural harvester of the present invention has the following operations. . A first transport belt having a length substantially extending from the front end portion to the rear end portion of the machine body, and a first transport belt extending from a substantially intermediate position in a longitudinal direction of the first transport belt to an end portion,
And a second conveyor belt provided so as to overlap the lower side of the conveyor belt, and a first conveyor belt is provided below a boundary between the first conveyor belt and the second conveyor belt. By arranging a crop collecting device that collects the crop that falls when it is taken over by the second conveyor belt from the
At the boundary between the first and second conveyor belts,
The harvested material falling when being taken over from the second conveyor belt by the second conveyor belt is collected, and there is no waste. . By configuring the crop recovery device with a container mounting table that covers the upper side and the side of the crawler, and a container mounted on the container mounting table, the crawler is covered by the container mounting table, so that the container is safe. Harvest by
Collect the crop that fell from the transport zone.

[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 denotes an agricultural harvester (applied to a ginseng harvester in this embodiment).
This agricultural product harvester 1 is equipped with crawlers 2 and 2 which form a left-right pair and enable spin rotation. An engine 3 is mounted at the center of the body between the crawlers 2 and 2, and a hydraulic unit (not shown) driven by the engine 3 is mounted near the engine 3. A transmission 4 is provided between the crawlers 2 and 2 at a position behind the engine 3 so that the crawlers 2 and 2 can be shifted and steered. Also, as shown in detail in FIG. 6, from the lower front near one side of the fuselage to the rear of the fuselage through the upper side of the fuselage, pinch and pull out the foliage of the ginseng vegetated in the field, and lift upward. A pair of left and right first transport belts 5 for transporting the first transport belt 5 are provided in a forwardly inclined posture, and a weight is placed below the first transport belt 5 from a substantially middle position in the longitudinal direction of the first transport belt 5 to a terminal end thereof. The second conveyor belt 6 is provided in such a manner as to be provided.

[0007] The body (field scene) of the first conveyor belt 5
Is 38 degrees, and its moving speed is about 1.3 times the moving speed (ground speed) of the aircraft (in terms of vehicle speed ratio, it is 1.3 times).
It is set to be slightly faster (about 7 times). The moving speed of the second conveyor belt 6 is the first
The speed is set to be about 1.5 times faster than the moving speed of the conveyor belt 5. Then, the first transport belt 5 is located on the terminal side after the second transport belt 6 is overlapped with the second transport belt 6, as shown in FIG.
As is apparent from the above, the left and right endless belts are slightly open so that the facing distance between the endless bands gradually increases toward the rear.

The first conveyor belt 5 and the second conveyor belt 6 are of a wide width which is wound around a pair of front and rear pulleys 7 and rotates in the direction of the arrow. Are alternately pressed by 8, 8,.... A digging blade 9 for digging below the ginseng vegetated in the field while slightly vibrating back and forth below the front portion 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 provided coaxially above the rotating portion at the tip end of the first conveyor belt 5. The first transport belt 5 and the second transport belt 6 are supported by a support frame that is long in the front-rear direction, and are rotatable up and down around a fulcrum O provided substantially at an intermediate portion thereof. The vertical movement is adjusted by the expansion and contraction operation of the cylinder.

[0009] 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 crop, as shown in FIGS. 7 to 9. A pair of left and right guides 12 are provided, which are freely expandable and contractable, and align the moving harvested product in front and rear. This guide 12
Is connected to one end of a telescopic link 14, 14 at each end of a pair of left and right fixing members 13 fixed to the body side,
A guide plate 15 is pivotally supported at the other ends of the telescopic links 14,14. A resin plate 16 is attached to a portion of the guide plate 15 which is in contact with the ginseng root. A coil spring 17 is stretched between the telescopic links 14 and 14 to urge the guide plates 15 and 15 toward the opposite side. Pins at both ends of a support arm 19 are loosely fitted into a pair of support holes 18 provided in the guide plate 15, and a pair of sliding rods 2 having one ends fixed to the support arm 19.
The other ends of 0 and 20 are slidably fitted to the fixed member 13. The path of the ginseng foliage passing between the guide plates 15 and 15 is freely expandable and contractable according to the size and shape of the foliage.

Below the first conveyor belt 5 in front of the second conveyor belt 6, a first alignment guide 21 and a second alignment guide 22 having the same configuration as the guide 12 are provided.
Is arranged. The first alignment guide 21 and the second
Since the alignment guide body 22 is slightly different in shape from the guide body 12 and has substantially the same configuration and function, a and b are added to the reference numerals of the respective constituent members for detailed description. Description is omitted. One or two or more alignment guides may be provided. At the rear end of the second alignment guide 22, that is, below the boundary between the first transport belt 5 and the second transport belt 6, the first
And a harvest collection device 23 that collects the crop that falls when the second transfer belt 6 takes over from the first transfer belt 5. The harvested product recovery device 23 includes a container mounting table 24 that covers the crawler 2 from above and to the side, and a container 25 that is mounted on the container mounting table 24.

Above the end of the first conveyor belt 5, a first
A base end of a foliage discharge body 26 that takes over the foliage transported by the second transport belts 5 and 6 and directs it toward the rear of the machine and discharges the foliage is coaxially provided. This foliage discharge body 26 is composed of a feed chain 27 and a pinching rail 28.
And is disposed so as to be curved downward toward the rear end of the aircraft. The upper part of the first conveyor belt 5 and the foliage discharger 26 is covered by a cover 29, and a foliage discharge guide 30 is provided below the foliage discharger 26. On the front side of the first conveyor belt 5, a foliage horizontal scraping and scraping device 31 and a foliage vertical scraping and scraping device 32 are integrally provided. The first conveyor belt 5, the foliage lateral scraping and scraping device 31 and the foliage vertical scraping and scraping device 32 are supported by a grounding wheel 33, and the grounding wheel 33 can be vertically adjusted by a vertical adjustment handle 34. It is.

A control unit 35 is provided at a front portion of the body opposite to the first transport belt 5, and a driver step 36 is provided at the rear thereof.
And a control seat 37 are provided. A sorting operation step 38 is provided behind the cockpit 37, and a pilot, a movement of the sorting operator, and a container mounting table are provided beside the operator step 36, the cockpit 37 and the sorting step 38. Foldable multi-purpose step 39 that also serves
Is provided. Further, container mounting tables 40, 41, 42, 43 are foldably provided behind the multipurpose step 39 and below the rear portions of the first transport belt 5 and the second transport belt 6.

The cutting processing apparatus 11 comprises 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 device 11, the cutting device 11
An endless root conveying belt 46 is provided which receives a root cut and dropped and conveys the root in a predetermined direction. On the upper surface of the root conveying belt 46, a root conveying belt 46 is provided with a slight gap from the root conveying belt 46. The sorting / deflecting roller 47 rotating in the direction opposite to the moving direction of the belt 46 is
It is arranged at an angle of 0 degrees. This root conveyor belt 46
And a sorting conveyor 48 is provided so as to intersect with the turning direction of the sorting / turning roller 47. The sorting conveyor 48 is adapted to be engaged and disengaged by a sorting conveyor clutch lever 49.

An agricultural (carrot) harvester 1 having such a configuration.
In the first step, the foliage lateral raking / raising device 31 and the foliage vertical raking / raising are performed according to the two ginseng ridge rows in the field.
The harvesting operation is performed together with the forward movement of the fuselage by adjusting the digging depth by the grounding wheel 33 with the rake device 32 facing the rake device. Then, the ginseng whose foliage is scraped while the foliage is scraped up by the foliage horizontal scraping and scraping device 31 and the foliage vertical scraping and scraping device 32, and whose root is dug up by the excavating blade 9, is the first ginseng. Two rows of foliage are pinched by the transport belt 5, pulled out of the field, and transported while being lifted toward the rear of the machine. In this transport process, the crops are aligned back and forth by the first alignment guide 21 and the second alignment guide 22, and are carried over to the second transport belt 6 and transported. The ginseng that fell at the time of this takeover was container 25
To be housed.

The ginseng conveyed by the second conveyor belt 6 is
In addition to being re-aligned by the guide body 12, the front-back distance is widened, the root is cut from the foliage at a predetermined position with high accuracy by the cutting processing device 11, and the root falls onto the root conveyor belt 46, and is sorted and turned. The contaminants are sorted by the rollers 47 and sent to the rear, and the roots are deflected to separate the sorting conveyor 48.
And is sorted and accommodated in a container placed on the container placing table 41. On the other hand, the foliage whose roots have been cut is conveyed by the second conveyor belt 6 and the first conveyor belt 5, discharged by the foliage discharge body 26, and discharged in a predetermined direction via the foliage discharge guide 30.

[0016]

As described above, the agricultural product harvester of the present invention has the following effects. . A first transport belt having a length substantially extending from the front end portion to the rear end portion of the machine body, and a first transport belt extending from a substantially intermediate position in a longitudinal direction of the first transport belt to an end portion,
And a second conveyor belt provided so as to be superposed below the first conveyor belt. The first conveyor belt is disposed below a boundary between the first conveyor belt and the second conveyor belt. Since the crop collecting device that collects the crop falling when being taken over by the second conveyor belt is disposed, the first crop belt is located below the boundary between the first conveyor belt and the second conveyor belt.
The crop that falls when being carried over from the second conveyor belt to the second conveyor belt can be collected by the harvest collection device, and can be used without waste. . Since the crop recovery device is configured by a container mounting table that covers the upper side and the side of the crawler, and a container that is mounted on the container mounting table, the crawler is covered by the container mounting table, which is safe. It is possible to collect the crop that has fallen from the harvest / transport zone.

[Brief description of the drawings]

FIG. 1 is an overall side view of an agricultural 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 the 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 a harvesting / conveying belt is omitted.

FIG. 7 is a bottom view of a guide body of the cutting apparatus.

FIG. 8 is a view taken along line AA of FIG. 7;

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

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

FIG. 11 is a view taken along line BB of FIG. 10;

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

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

FIG. 14 is a view taken along line CC of FIG. 13;

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 agricultural product (carrot) harvester 2 crawler 3 engine 4 transmission 5 first transport belt 6 second transport belt 7 pulley 8 spring-loaded roll 9 digging and raising blade 10 scraping wheel 11 cutting device 12 guide body 13 13a 13b fixing 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 Harvested product recovery device 24 Container mounting table 25 Container 26 Foliage discharge body 27 Feed chain 28 Clamping rail 29 Cover 30 Foliage discharge guide 31 Foliage horizontal scraping and scraping device 32 Foliage vertical scraping and scraping device 33 Grounding wheel 34 Vertical Adjustment Handle 35 Pilot 36 Pilot Step 37 Pilot Seat 38 Sorting Step 39 Multipurpose Step 40-43 Container Placement Table 44 Positioning Roll 45 Cutter Blade 46 Root Transport Belt 47 Sorting / Diverting Roller 48 Sorting Conveyor 49 Sorting Conveyor clutch lever

Claims (2)

(57) [Claims] 1. A traveling machine equipped with a crawler, harvests agricultural products vegetated in a field by pulling the foliage from the field with a pair of left and right endless strips sandwiching foliage, and harvesting the harvested crop. A harvesting / transporting band equipped with a harvesting / transporting band for transporting while lifting toward the rear of the machine while holding the harvester, wherein the harvesting / transporting band has a length substantially extending from the front end to the rear end of the machine. 1 transport belt and a first transport belt from the substantially middle position in the longitudinal direction to the end portion of the first transport belt.
And a second conveyor belt provided so as to overlap the lower side of the conveyor belt, and a first conveyor belt is provided below a boundary between the first conveyor belt and the second conveyor belt. A crop harvesting machine, wherein a crop collecting device is provided for collecting crops that fall when being transferred to a second conveyor belt. 2. The harvesting device according to claim 1, wherein the harvesting device comprises a container mounting table that covers the upper side and the side of the crawler, and a container mounted on the container mounting table. Agricultural harvester.