JP3414546B2 - Agricultural harvester - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is provided on the front side of a harvesting / conveying belt for extracting and harvesting agricultural products such as root crops from a field and transporting them to the rear of the machine. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a self-propelled agricultural product harvester in which one of a pair of left and right scraping and scraping devices can be adjusted up and down. 2. Description of the Related Art Conventionally, an agricultural product vegetated in a field has been sandwiched between a pair of left and right endless belts, pulled and harvested from a field by a traveling machine, and the harvested agricultural product is lifted toward the rear of the machine. There is a harvesting / transporting belt that transports while raising, and in front of the harvesting / transporting band, a pair of left and right scraping / scraping devices that scrape the foliage of the agricultural products upward and scrape the harvesting / transporting belt side. The harvester provided is proposed by the applicant. [0003] In the conventional agricultural harvester as described above, a pair of left and right scraping / scraping devices are integrally supported on the machine body, and the whole is vertically moved. Since it is adjustable, it is possible to perform the harvesting work by adjusting the pair of left and right scraping / scraping devices up and down according to the condition of the field, for example, the machine body is tilted to one of the left and right depending on the field conditions When performing harvesting work while traveling, there is a disadvantage that one of the left and right of the scraping and scraping device comes into contact with the field scene, not only damages the scraping and scraping device but also the foliage There has been a problem that the scraping / scraping performance is also reduced. The present invention has been made to solve the above problems. [0004] In order to achieve the above-mentioned object, the present invention provides a traveling machine, in which agricultural products vegetated in a field are sandwiched between a pair of left and right endless bands and pulled out from the field. A harvesting / transporting zone is provided for harvesting and transporting the harvested agricultural products while lifting it toward the rear of the machine, and in front of the harvesting / transporting belt, the foliage of the agricultural products is lifted upward, and the harvesting / transporting zone is provided. In a harvester provided with a pair of left and right scraping / scraping devices that squeeze into the side, the pair of left and right scraping / scraping devices can adjust one of the left and right, up and down with respect to the other of the left and right It is characterized by having comprised in. With the above arrangement, the agricultural harvester of the present invention can adjust one of the pair of left and right scraping / scraping devices up and down with respect to the other.
Depending on the condition of the field, even when the harvesting machine is running while tilting to the left or right, the one of the left and right scraping and scraping devices is adjusted up and down so that it does not touch the field scene. The harvesting operation can be performed, and not only does the scraping and scraping device not be damaged, but also the scraping and scraping performance of the foliage is improved. An embodiment of the present invention will be specifically described below with reference to the accompanying drawings. 1 to 3, reference numeral 1 denotes an agricultural product harvester (in this embodiment, a ginseng harvester), which is equipped with crawlers 2 and 2 that form a pair of right and left and enable spin rotation. . This crawler 2, 2
The engine 3 is mounted in the center of the airframe, and a hydraulic unit 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.
The steering drive is performed. In addition, from the lower front near the one side of the fuselage to the rear of the fuselage through the upper part of the fuselage, pull out the root part by pinching the foliage of carrots vegetated in the field, and transport a pair of left and right to lift and move backward. The first conveyor belt 5 is provided in a forwardly inclined posture, and is disposed below the first conveyor belt 5 so as to overlap the lower side of the first conveyor belt 5 from a substantially middle position in the longitudinal direction of the first conveyor belt 5 to an end portion. Transport belt 6 is provided. Further, a pair of left and right third third members extending substantially horizontally rearward from the lower end of the second conveyor belt 6.
Transport belt 7 is 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 of the third conveyor belt 7 is set to be 1.5 times faster than the speed of the second conveyor belt 6, and slightly higher than the speed of the second conveyor belt 6. Then, the first transport belt 5 is arranged such that, at the terminal end side after overlapping with the second transport belt 6, as shown in FIG. It is slightly open, and also slightly open on the end side of the second conveyor belt 6. The first conveyor belt 5 and the second conveyor belt 6 are of a wide width which are wound around a pair of front and rear pulleys 8 and rotate in the direction of the arrow. 9, 9 ... are alternately pressed. A digging blade 1 that digs below a ginseng vegetated in a field while slightly vibrating back and forth below a front portion of the first conveyor belt 5.
0 is provided so as to be able to move up and down, and a scraping wheel 11 that scrapes the foliage of carrot is provided coaxially above the rotating end of the tip 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 near the rear portion. The vertical movement is adjusted together with the digging and raising blade 10 by the expansion and contraction operation. Further, the first transport belt 5 and the second transport belt 6 are also rotatable laterally around the fulcrum O position. A cutting device 13 is provided below the third conveyor belt 7, and a passage is provided in front of the cutting device 13 in accordance with the size and shape of the crop, as shown in FIGS. A pair of left and right aligning guides 14 for cutting processing are provided, which are freely expandable and contractable, and align moving crops back and forth.
The guide 14 has one end of each of the telescopic links 16, 16 pivotally attached to both ends of a pair of left and right fixing members 15 fixed to the body side, and the guide plate 1 is attached to the other end of the telescopic link 16, 16.
7 is pivoted. A resin plate 18 is attached to a portion of the guide plate 17 which is in contact with the ginseng root. Telescopic link 1
A coil spring 19 is stretched between 6 and 16 to guide the guide plate 1.
7 and 17 are urged toward the opposite side. Pin portions at both ends of a support arm 21 are loosely fitted into a pair of support holes 20 provided in the guide plate 17, and the other end sides of a pair of sliding rods 22 fixed at one end to the support arm 21 are fixed. It is slidably fitted to the member 15. And guide plate 1
According to the size and shape of the foliage of carrot passing between 7, 17, the passage can be expanded and contracted. A first alignment guide 23 and a second alignment guide having the same configuration as the alignment guide 14 are provided below the first transport belt 5 in front of the second transport belt 6. 24 are arranged. The first alignment guide body 23 and the second alignment guide body 24 are substantially the same in configuration and function as the alignment guide body 14 except that their shapes are slightly changed. One or two or more alignment guides may be provided. At the rear end of the second alignment guide 24, that is, below the boundary between the first conveyor belt 5 and the second conveyor belt 6, the first conveyor belt 5 and the second conveyor belt 6 A harvested product recovery device 25 is provided to collect harvested material that falls when being taken over. The harvested product recovery device 25 includes a container mounting table 26 that covers the crawler 2 from above and to the side, and a container 27 that is mounted on the container mounting table 26. The foliage conveyed by the first and second conveyor belts 5 and 6 is taken over the third conveyor belt 7 and is conveyed toward the rear of the machine body. A foliage transport / discharge body 28 that discharges the foliage toward the rear of the machine is provided. This foliage transport
The discharge body 28 is composed of a feed chain 29 and a clamping rail 30. On the front side of the first transport belt 5, a pair of left and right foliage lateral scraping and scraping devices 31 and a foliage vertical scraping and scraping device 32 are supported by a plurality of parallel links 33 and can move up and down. It is provided in. The foliage lateral scraping and scraping device 31 and the foliage vertical scraping and scraping device 32 are supported by a vertically adjustable grounding wheel 34, and a motor 35 for vertical adjustment and a screw rod 36 rotated by the motor 35. By means of these foliage lateral raking / raising device 31, foliage vertical raking / raising
The scraping device 32 and the grounding wheel 34 can be adjusted up and down. In addition, the foliage vertical scraping / raising device 32 supports one of the pair of left and right parts with respect to the other of the left and right parts via a parallel link 33 so as to be able to adjust up and down movement. The vertical adjustment is performed steplessly by the vertical adjustment lever 37. The first conveyor belt 5
A control section 38 is provided on the side opposite to the left and right direction, and a driver step 39 and a control seat 40 are provided behind the control section 38. Behind the cockpit 40, a sorting step 41 is provided.
A folding multi-purpose step 42 is also provided beside the operator step 39, the cockpit 40 and the sorting step 41, which also serves as a movement of the operator and the sorting operator and also serves as a container mounting table. . Further, on the rear side and the opposite side of the multipurpose step 42, the front side of the control section 38, etc., the container mounting tables 43 to 46 are provided so as to be foldable. The cutting device 13 is composed of a pair of left and right positioning rolls for positioning the root of carrot and a cutter blade for cutting the root from the foliage. Below the cutting device 13, an endless root conveying belt 47 is provided which receives a root cut and dropped by the cutting device 13 and conveys the root in a predetermined direction. A sorting / deflecting roller 48 that rotates in a direction opposite to the direction of movement of the root conveyor belt 47 with a slight gap from the conveyor belt 47 is disposed at an angle of 40 degrees in plan view. A sorting conveyor 49 is provided so as to intersect the root conveying belt 47 and face the turning direction of the sorting / turning roller 48. This sorting conveyor 49
Is turned on and off by a sorting conveyor clutch lever 50. A step 51 for the classifier and a seat 52 for the classifier are provided on the side of the screening conveyor 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 excavation depth using the grounding wheel 34 with the scraping device 32 facing the same. Then, the foliage is scraped while the foliage is being scraped up by the foliage horizontal scraping and scraping device 31 and the foliage vertical scraping and scraping device 32, and the ginseng whose root is dug up by the digging blade 10 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 23 and the second alignment guide 24, and are taken over by the second transport belt 6 and transported. The ginseng that fell at the time of this handover was Container 2
7. The ginseng conveyed by the second conveyor belt 6 is
The third conveyor belt 7 is further aligned by the alignment guides 14 for cutting processing, and the front-rear spacing is widened.
The roots are accurately cut at predetermined positions from the stems and leaves by the cutting device 13, and the roots fall onto the root conveyor belt 47, where the sorting and diverting rollers 48 sort out impurities and rearward. The roots are turned to the sorting conveyor 49, sorted, and stored in the container placed on the container placing table 43. On the other hand, the foliage whose roots have been cut is the third transportation belt 7 and the foliage transportation
The paper is conveyed by the discharging body 28 and discharged toward the rear of the machine body. As described above, the harvested carrot is transported by the first transport belt 5, the second transport belt 6, and the third transport belt 7, while the first alignment guide 23 and the The roots are aligned three times by the second alignment guide 24 and the cutting alignment guides 14 so as to be neatly aligned back and forth, and the cutting device 13 cuts the roots from the foliage accurately at predetermined positions. Is done. Therefore, the cutting processing device 13
Cutting is performed with good stability, and work accuracy is improved. When the body of the harvesting machine 1 runs on one of the right and left sides depending on the condition of the field, the screw rod 36 is rotated by the motor 35 for up / down adjustment to laterally lift and fist the foliage. The device 31, the foliage vertical scraping and scraping device 32 and the grounding wheel 34 are vertically adjusted, and one of the foliage vertical scraping and scraping devices 32 is adjusted by the up and down adjustment lever 37 in accordance with the inclination of the field. It works by moving it up and down steplessly to fix it. As a result, the foliage vertical scraping and raking device 32 can accurately perform the foliage scraping and raking work without touching the field scene, and damage to the foliage vertical raking and scraping device 32 can be prevented. It not only prevents, but also improves the foliage and scraping performance. As described above, according to the agricultural product harvester of the present invention, the pair of left and right scraping / scraping devices are arranged such that one of the left and right devices is vertically moved with respect to the other of the left and right devices. Since it is configured to be adjustable, for example, even when it is necessary to perform the harvesting work while traveling while tilting the body of the harvester to one of the left and right depending on the condition of the field, one of the left and right scraping / scraping devices By performing up and down adjustment so as not to be in contact with the field scene and performing the harvesting operation, the scraping and scraping device can be prevented from being damaged, and the foliage and scraping performance can be improved.

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 plan view of the agricultural product harvester according to the present invention. FIG. 3 is an overall plan view showing the main part. FIG. 4 is an overall plan view in which a part of a harvesting / conveying belt is omitted. FIG. 5 is a bottom view of the guide. FIG. 6 is a view taken along the line AA of FIG. 5; [Description of Signs] 1 Agricultural (carrot) harvester 2 Crawler 3 Engine 4 Transmission 5 First transport belt 6 Second transport belt 7 Third transport belt 8 Pulley 9 Roller with spring 10 Digger blade 11 Scraper wheel 12 Hydraulic cylinder 13 Cutting device 14 Alignment guide 15 for cutting process Fixing member 16 Telescopic link 17 Guide plate 18 Resin plate 19 Coil spring 20 Support hole 21 Support arm 22 Sliding rod 23 First alignment guide 24 Second Guide 25 for arranging crops 26 Harvesting device 26 Container mounting table 27 Container 28 Foliage transport / discharge body 29 Feed chain 30 Clamping rail 31 Foliage lateral raking / raising device 32 Foliage vertical raking / raising device 33 Parallel link 34 Grounding wheel 35 Vertical adjustment motor 36 Screw rod 37 Vertical adjustment lever 38 Control unit 39 Control Steps 40 for the pilots Control seat 41 Steps for the sorting work 42 Multi-purpose steps 43 to 46 Container mounting table 47 Root conveyor belt 48 Sorting / diverting rollers 49 Sorting conveyor 50 Sorting conveyor clutch lever 51 Steps for the sorter 52 Seats for the sorter

Continuation of front page (58) Field surveyed (Int.Cl. ⁷ , DB name) A01D 13/00-33/14

Claims (1)

(57) [Claims] [Claim 1] An agricultural product vegetated in a field is picked up by a traveling body and pulled out from the field while being pinched by a pair of left and right endless bands, and the harvested agricultural product is collected by the machine. There is a harvesting / transporting zone that transports while lifting to the rear, and in front of this harvesting / transporting band, the foliage of agricultural products is scraped upward and a pair of left and right scrapes A harvester provided with a scraping device, wherein the pair of left and right scraping / scraping devices are configured so that one of the left and right can be adjusted up and down with respect to the other of the left and right. Machine.