JPH07213138A - Harvester for head formation vegetable - Google Patents

Abstract

PURPOSE:To obtain a harvester for head formation vegetable suitable for harvesting cabbages, Chinese cabbage, lettuce, etc., readily selecting and storing head formation parts, having improved operation efficiency, provided with a screw conveyor, a recutting device, etc. CONSTITUTION:This harvester l for head formation vegetable is equipped, close to one side of a right and a left sides of a machine body, with a pair of a right and a left screw conveyors 6 and 13 which draw out rhizome parts of head formation vegetables planed in a field with advance of a machine body while holding the rhizome parts from both a right and a left sides and rotating and transports to the rear of the machine body, a recutting device 7 which successively follows the screw conveyors 6 and 13 and automatically cuts the rhizome base parts of the head formation vegetables being transported, an operator seat 8 and a step 9 for an assistant operator close to the other side of a right and a left sides of a machine body and a storage part for storing head formation parts from which the rhizome parts and lower leaves are removed at the rear of the machine body. A laterally sending conveyor 10 is preferably arranged below the end of the cutter 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a headed vegetable harvesting machine in which headed vegetables such as cabbage, Chinese cabbage, lettuce and the like are harvested from a field, and rhizomes and lower leaves are cut to accommodate the headed parts.

[0002]

2. Description of the Related Art Conventionally, various types of heading vegetable harvesters have been proposed for harvesting heading vegetables. For example, on one side of the aircraft, with the extraction part that pulls out of the field as the aircraft progresses while rotating so as to sandwich the rhizomes of the heading vegetables that are vegetated in the field from the left and right sides with the tip opening in an eight shape. , A pair of left and right screw conveyors consisting of a conveyor section for conveying the pulled-out headed vegetables in a state of being inclined toward the rear of the machine, cutting the rhizome section of the headed vegetables in the conveyance process by this conveyor, and behind the conveyor Japanese Patent Publication No. 55-24850 discloses a configuration in which a lateral transport belt is provided after the nip transport belt, and a heading vegetable is stored in a storage portion provided on the other side of the machine body.

The applicant of the present invention has also filed the above Japanese Patent Publication No. 55-24.
In Japanese Patent Application No. 5-180163, for example, a riding-type head-mounted vegetable harvester that is considerably smaller than the one disclosed in Japanese Patent No. 850 and has a small turning ability and can be sufficiently used even in a small field is proposed. is doing.

[0004]

However, the former one of the above prior arts is relatively large and difficult to use in a small-scale field, so that it is impossible to perform a complete continuous operation work. There was a problem. In the latter one, the rhizomes of the bulbous vegetables vegetated in the field are rotated while sandwiching them from the left and right sides, and are pulled out of the field as the aircraft progresses, and the extracted bulbous vegetables are conveyed toward the rear of the aircraft. The harvesting and transporting section, which mainly consists of a pair of left and right screw conveyors, is arranged in the left and right center of the machine body, and the base of the rhizome section is manually cut from the transported heading vegetables, so the left and right balance of the machine body is It was rather bad, and it was difficult to use depending on the cultivation system of headed vegetables, and there was the problem that full automation of harvest could not be achieved. The present invention is intended to solve the above problems.

[0005]

[Means for Solving the Problems] In order to achieve the above-mentioned object, the present invention provides: (1) A root portion of a heading vegetable vegetated in a field is clamped from the left and right sides on one side of the machine body. While rotating, the pair of left and right screw conveyors that pull out from the field as the machine progresses and convey toward the rear of the machine, and the rhizome base of the heading vegetables that are provided continuously to this screw conveyor are automatically cut. Re-cutting device is installed, the driver's seat and steps for auxiliary workers are arranged on the left and right sides of the machine body, and the rear part of the machine body accommodates the rhizome section and the bulb section where the lower lobe is cut off. Has a section,

(2) A transverse feed conveyor is arranged below the end of the re-cutting device, (3) The rhizomes and lower leaves cut from the heading vegetables by the re-cutting device are located in front of the transverse feed conveyor. Alternatively, it is characterized in that it is configured to be dropped onto the transverse feed conveyor.

[0007]

With the above structure, the headed vegetable harvester of the present invention has the following functions. A pair of left and right screws that pull out from the field as the aircraft progresses while rotating so that the rhizomes of the heading vegetables vegetated in the field are clamped from both the left and right sides to the left and right sides of the aircraft, and convey them toward the rear of the aircraft. A conveyor and a re-cutting device that is provided continuously to the screw conveyor and automatically cuts the root portion base of the heading vegetables that are being conveyed are provided, and on the left and right other sides of the machine body, a step for the driver's seat and auxiliary workers In addition to disposing the, the rear portion of the fuselage, since the accommodating portion for accommodating the bulb portion of which the rhizome and the lower lobe are cut off is provided
A compact and well-balanced machine can be configured, and it is highly adaptable to various cultivation systems. From the extraction of heading vegetables from the field to the recutting of rootstocks, it is fully automated to select and store heading parts. Be seen.

Since the transverse feed conveyor is arranged below the end of the re-cutting device, the operator can remove the bulb-forming part while the bulb-forming part in which the rhizome and the lower leaves are cut by the re-cutting device is conveyed by the transverse feed conveyor. It is sorted and stored in the storage unit, and the rhizome and lower leaves are discharged to the field. The rhizomes and lower leaves cut from the heading vegetables by the re-cutting device are dropped to the front position of the horizontal feed conveyor or onto the horizontal feed conveyor, so the roots and lower leaves cut from the heading vegetables are discharged to the field. Is done smoothly.

[0009]

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 3, reference numeral 1 is a headed vegetable harvesting machine, and the headed vegetable harvesting machine 1 is equipped with crawlers 2 and 2 which are paired left and right and are capable of spin rotation. The engine 3 is mounted on the crawlers 2 and 2 closer to the left and right sides of the machine body, and closer to the center line in the machine width direction than the center line in the machine width direction of one of the crawlers 2. The hydraulic pump 4 and the hydraulic continuously variable transmission (HS
The transmission 5 including T) is mounted and the power is transmitted from the engine 3 through the counter shaft. A tension clutch is provided in each transmission system that transmits power from the engine 3 to the hydraulic pump 4 and the transmission 5.

A pair of left and right screw conveyors 6 and 6 for removing heading vegetables vegetated in the field from the lower front part near the left and right sides of the machine body to the rear side of the machine body through the engine 3 and conveying them backward. A re-cutting device 7 is provided which is continuously provided in Nos. 6 and 6 and which automatically cuts the root base of the heading vegetables that are being conveyed while being conveyed. That is, the screw conveyors 6 as the harvesting section
The center line in the width direction of the re-cutting device 7 is located closer to the center line in the machine width direction than the center line in the width direction of the one crawler 2.
The crawlers 2 and 2 run on the ridges of the heading vegetable cultivation ridge. The base ends of the clew conveyors 6 and 6 are pivotally supported by the body so as to vertically move the front part. To the left and right of the other side of the machine, almost above the other crawler 2,
A driver's seat 8 and a step 9 for an auxiliary worker are provided at the front and rear.

The screw conveyors 6 and 6 are pull-out portions 6a and 6a for pulling out from the field as the machine progresses while rotating so that the roots of heading vegetables (eg cabbage) vegetated in the field are clamped from both left and right sides. , And the carrying parts 6b, 6b for carrying the heading vegetables pulled out by the pulling parts 6a, 6a in a state where the rhizomes are sandwiched and carrying them obliquely upward and rearward of the machine body. This transport section 6
The re-cutting device 7 is continuously provided at the conveyance end portions of b and 6b. Below the end of the re-cutting device 7, a transverse feed conveyor 10 having an open transport end is arranged, and further, a heading portion and a leaf-cleaved vegetable in which the lower leaves have been cut are stored behind the transverse feed conveyor 10. A forklift-shaped container mounting portion 12 on which the container 11 as described above is mounted is provided so as to be vertically movable in a substantially vertical direction.

The re-cutting device 7 is supported in a slightly tilted shape, and its tip is conveyed by the conveyors 6b, 6 of the screw conveyors 6, 6.
A pair of left and right screw conveyors 13 and 13 connected to the transportation end portion of b, and a root portion and a lower leaf of the rhizome of the heading vegetables that are provided so as to rotate along the upper surfaces of the screw conveyors 13 and 13. Of the disc-shaped cutting blade 14 for cutting the sheet and the pair of endless wide belts for sandwiching and transporting both sides of the heading vegetables being transported, and the sandwiching / transport belts 15, 15. Above the start end side, the posture control belt 16 is composed of an endless belt that is swingably supported in the vertical direction and that controls the posture by pressing the upper portion (top portion) of the heading vegetables being conveyed. The screw conveyors 6, 6 and 13, 13
Are adapted to receive power from their respective base ends and face each other to rotate inward.

Pull-out portion 6 of screw conveyors 6 and 6
At both left and right ends of the tip portions of a and 6a, scraping wheels 17 and 17 that rotate horizontally inward toward each other and scrape the heading vegetables growing in the field toward the pull-out portions 6a and 6a.
Is provided. These scraping wheels 17, 17 are
The screw conveyors 6 and 6 are supported so as to be inclined forward and to be movable in a predetermined range in the left-right direction and the horizontal direction with a center line substantially parallel to the axis of the pull-out portions 6a, 6a sandwiched therebetween.

The conveyors 6b of the screw conveyors 6 and 6,
Below the front part of 6b, a disc-shaped cutting blade 18 for cutting the root part of the lower end of the rhizome of the heading vegetables conveyed by the screw conveyors 6, 6 is provided. The rear ends of the support frames 19, 19 supporting the screw conveyors 6, 6, the scraping wheels 17, 17 and the like are pivotally supported by a pivot shaft 20 so as to be vertically rotatable with respect to the machine body. A hydraulic cylinder 21 is interposed between the lower side of the support frames 19 and 19 and the machine body, and the screw conveyors 6 and 6, the support frames 19 and 19, and the scraping operation are performed by the expansion and contraction operation of the hydraulic cylinder 21. The harvesting parts such as the wheels 17 and 17 rotate around the rotation shaft 20 and rotate up and down (elevate).

Corresponding to the conveying portions of the screw conveyors 6 and 6, there is provided a holding belt 22 composed of an endless belt for holding the headed vegetables to be conveyed from above. The presser belt 22 connects the support frames 19 and 19 with the gate-shaped frames 23 and 24 at the front and rear portions thereof,
The gate-shaped frames 23 and 24 are supported so as to be movable in the front-back and up-down directions. The moving speed of the press belt 22 and the rotating speed of the screw conveyors 6 and 6, that is, the moving speed of the headed vegetables are synchronized. Further, the screw conveyors 13, 13 of the re-cutting device 7, the sandwiching / conveying belts 15, 15, and the attitude control belt 16 are also synchronized in the same manner.

Pull-out section 6 of screw conveyors 6 and 6
Guide wheels 25 are provided at the lateral positions of a and 6a near the center of the machine body so as to come into contact with the groove portion of the ridge for cultivating headed vegetables and rotate, and to receive a reaction force for pulling out headed vegetables. The guide wheel 25 is vertically adjustable and horizontally adjustable.
Then, when the machine body travels, the machine body also rolls on the groove portion of the heading vegetable ridge to automatically steer the machine body along the ridge.
Further, the vertical movement adjustment and the horizontal movement adjustment of the guide wheel 25 can be performed according to the height and width of the heading vegetable cultivation ridge.

In the container mounting portion 12, two fork-shaped mounting bases are provided on a vertical frame composed of a pair of left and right channel members, and a hydraulic cylinder 26 is provided via rollers, chains and the like.
And is supported by the hydraulic cylinder 26, so that the hydraulic cylinder 26 expands and contracts to form a lifting device. And a container 1 containing the heading vegetables from which the rhizome and the lower leaves have been removed
1 is placed and moved up and down according to the storage amount thereof, and is also used for cargo handling work of the container 11. The container 11 used here contains about 2 bulb vegetables.
It is large enough to accommodate 00 kg. Further, the container mounting portion 12 has a structure that can be housed on the machine side by rotating upward from the base end portion thereof.

In the transmission 5 that receives power from the engine 3 to change gears, a continuously variable hydraulic continuously variable transmission (HST) and a speed change gear are used to change the speed continuously and continuously. The power transmission is connected and disconnected via a differential device to allow the crawlers 2 and 2 to travel continuously and stepwise. A brake device is also provided in association with the differential device. Then, when the steering lever is largely operated, the side clutch, the differential mechanism, and the brake are operated to spin the aircraft.

Screw conveyors 6 and 6, presser belt 2
2, each rotation drive unit including the scraping wheel 17,
The rotation speed and movement speed can be adjusted continuously and stepwise, and by combining this with stepless or stepwise variable speed running of the crawlers 2 and 2, the work speed for harvesting headed vegetables can be freely set. It is possible. In addition, the screw conveyor 6,
6, the presser belt 22, the scraping wheels 17, 17 and the like extend the hydraulic cylinder 21 to rotate the harvesting section about the rotation axis 20 during traveling on the road or during turning work at the end of the field, and the tip side With the vehicle raised, it makes it easier to run on the road and turns the headland in a smaller area.

A space 27 communicating with the lower part of the machine is formed between the ends of the screw conveyors 13 and 13 and the transverse conveyor 10, and a chute 28, which also functions as an engine cover, is provided in this space 27 and communicates with the field. The screw conveyors 13, 13 and the nipping / conveying belts 15,
From the heading vegetables conveyed by 15, the rhizomes and lower leaves cut by the cutting blade 14 are dropped onto the field. The rhizomes and the lower leaves that have not fallen from the space 27 fall on the transverse feed conveyor 10 together with the bulbs, and the bulbs are accommodated in the container 11 by the auxiliary worker in the process of being conveyed by the transverse conveyors 10. The rhizomes and the lower leaves are discharged from the end of the horizontal conveyor 10 to the field.

Next, the operation of the headed vegetable harvesting machine 1 configured as described above will be described. The heading vegetable harvester 1
For example, as shown in FIG. 4, cabbage C which is a heading vegetable.
When performing a harvesting operation in a field in which is cultivated, the guide wheel 25 is adjusted up and down according to the cultivation ridge N, and is also adjusted left and right, and the hydraulic cylinder 21 is contracted to lower the front part of the harvesting section. With the wheel 25 in contact with the groove M of the cultivation ridge, the rotation wheels of the scraping wheels 17, 17, the screw conveyors 6, 6 and the pressing belt 22, and the re-cutting device 7 are rotationally driven, and the crawlers 2, 2 are used. Run on the cultivation ridge N. Then, the cabbage C vegetated on the cultivation ridge N is scraped by the scraping wheels 17, 17 and the rhizomes are clamped from both sides by the pull-out portions 6a, 6a of the screw conveyors 6, 6, and the pull-out portions 6a, 6a. It is pulled out by the rotation of and the traveling of the airframe, and sent to the rear without stagnation.

Then, the cabbage C pulled out by the pulling-out portions 6a, 6a is transported backward and is transported by the transporting portions 6b, 6b.
It is transported to the rear of the machine so as to rise at a steep angle. In this conveying process, the cabbage C is pressed from above by the pressing belt 22 and moves in a stable posture. During the movement, the roots are cut by the cutting blade 18 from the rhizomes that are sandwiched and conveyed by the conveying units 6b and 6b. It The presser belt 22 can be moved up and down and moved in parallel in the front-rear direction. The presser belt 22 is accurately pressed according to the size and interval of the cabbage C to correct the posture and ensure the conveyance, and the cutting blade 18 is used to remove the root portion of the cabbage C. The root is cut in place.

The harvesting parts such as the screw conveyors 6 and 6, the scraping wheels 17 and 17 and the presser belt 22 are
Since the rear end of the support frame 19 is rotatable by the rotary shaft 20 and the front end side is supported by the guide wheel 25, the front side of the screw conveyors 6, 6 is lightened by freeing the hydraulic cylinder 21. Since it is supported, it is supported in a floating state by the guide wheels 25 and quickly follows the unevenness of the field, so that highly accurate harvesting work is performed. The cabbage C discharged from the conveyance end portions of the clew conveyors 6 and 6 is taken over by the re-cutting device 7.

In the re-cutting device 7, the roots of the cabbage C sandwiched and conveyed by the conveyors 6b and 6b of the screw conveyors 6 and 6 are taken over by the screw conveyors 13 and 13, and simultaneously both sides of the cabbage C are clamped. -It is sandwiched by the conveyor belts 15 and 15 and the upper portion (top portion) of the cabbage C is pressed by the posture control belt 16 so that the cabbage C is conveyed in a posture-controlled state. And the lower lobe is cut off. The cut stem stem and lower leaves are screw conveyors 13, 13
Is guided to the chute 28 through the space 27 and discharged to the field.

The roots and lower leaves, which have not been dropped from the cabbage C and the space 27 whose roots and lower leaves have been cut off, fall onto the lateral feed conveyor 10 from the end of the nipping / conveying belts 15, 15. Then, in the process of being conveyed by the transverse feed conveyor 10, the assistant operator on step 9 for the assistant operator selects the heading portion and stores it in the container 11, and the remaining rhizome and lower leaves or defective The bulb portion is discharged to the field from the end of the horizontal conveyor 10. At this time, when the amount of cabbage accommodated in the container 11 is small, the container placing part 12 is raised to approach the lateral feed conveyor 10 and lowered as the amount increases, so that the cabbage can be thrown in and dropped. Reduces damage.

When the cabbage C in the container 11 is full, the harvesting operation is suspended and the hydraulic cylinder 21
With the front side of the harvesting section lifted up, the machine is moved to the farm road section or a place where harvesting has already been completed, and the container placement section 12 lowers the container 11 and the new container 1
Place 1 and restart the harvesting work. The cabbage C in the unloaded container 11 is boxed and shipped by another operator.

Here, as shown in FIGS. 4 (a) to 4 (d), the heading vegetable harvester 1 has crawlers 2 and 2 having a center distance of 70 cm and an outer distance of 88 cm, and cultivates cabbage C. For fields with a ridge spacing of 60 cm (a), 45 cm (b), a wide ridge NW with 2 rows, and a ridge width of 90 cm (c), (d) Can be adapted. And head vegetable harvester 1
On the basis of the arrangement configuration of each part, the front and rear and right and left of the machine body are well balanced, workability and work accuracy are good, and the traveling property, turning performance, and stability of the machine body are improved.

[0028]

As described above, the heading vegetable harvester of the present invention has the following effects. A pair of left and right screws that pull out from the field as the aircraft progresses while rotating so that the rhizomes of the heading vegetables vegetated in the field are clamped from both the left and right sides to the left and right sides of the aircraft, and convey them toward the rear of the aircraft. A conveyor and a re-cutting device that is provided continuously to the screw conveyor and automatically cuts the root portion base of the heading vegetables that are being conveyed are provided, and on the left and right other sides of the machine body, a step for the driver's seat and auxiliary workers In addition to disposing the, the rear portion of the fuselage, since the accommodating portion for accommodating the bulb portion of which the rhizome and the lower lobe are cut off is provided
A compact and well-balanced machine can be configured, and it is highly adaptable to various cultivation systems. In addition, all the processes from the extraction of the heading vegetables from the field to the recutting of the rhizomes are automated, and the heading parts can be easily selected and stored, and the work efficiency can be improved.

Since the transverse feed conveyor is disposed below the end of the re-cutting device, the auxiliary operator may connect the bulb-forming part while the bulb-forming part in which the rhizome and the lower leaves are cut by the re-cutting device is conveyed by the transverse feeding conveyor. Can be sorted and stored in the storage portion, and the rhizome and lower leaves can be discharged to the field. The rhizomes and lower leaves cut from the heading vegetables by the re-cutting device are dropped to the front position of the horizontal feed conveyor or onto the horizontal feed conveyor, so the roots and lower leaves cut from the heading vegetables are discharged to the field. Can be done smoothly.

[Brief description of drawings]

FIG. 1 is an overall side view of a headed vegetable harvester according to the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is a front view of the same.

FIG. 4 is an explanatory view showing a furrow interval in a cabbage cultivation field.

[Explanation of symbols]

1 Heading Vegetable Harvester 2 Crawler 3 Engine 4 Hydraulic Pump 5 Transmission including Hydraulic Continuously Variable Transmission (HST) 6,13 Screw Conveyor 6a Extraction Part 6
b Conveyor 7 Recutting device 8 Driver's seat 9 Step for auxiliary workers 10 Side-feeding conveyor 11 Container 12 Container placing part (elevating device) 14, 18 Cutting blade 15 Nipple / conveyor belt 16 Posture control belt 17 Scraping wheel 19 Support frame 20 Rotating shaft 21,26 Hydraulic cylinder 22 Presser belt 23,24 Gate type frame 25 Guide wheel 27 Space part 28 Chute C Cabbage N Cabbage cultivation ridge NW Wide ridge M Groove part

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Hiroaki Toshi Kobashi Kogyo Co., Ltd. 684 Nakamune, Okayama City, Okayama Prefecture

Claims (3)

[Claims] 1. The left and right sides of the machine body are pulled out from the field along with the progress of the machine body while rotating so that the rhizomes of the bulbous vegetables vegetated in the field are clamped from both left and right sides, and conveyed toward the rear of the machine body. A pair of left and right screw conveyors to be provided, and a re-cutting device that is provided continuously to this screw conveyor and automatically cuts the rhizome base of the heading vegetables that are being conveyed, is provided on the left and right other sides of the machine, the driver's seat and A headed vegetable harvesting machine, which is provided with a step for an auxiliary worker and is provided with a housing portion for housing a head portion and a head portion with a lower leaf removed at the rear of the body. 2. The head-mounted vegetable harvesting machine according to claim 1, further comprising a transverse feed conveyor disposed below the end of the re-cutting device. 3. The rhizomes and lower leaves cut from the heading vegetables by the re-cutting device are located in front of the lateral feed conveyor,
Alternatively, the headed vegetable harvester according to claim 1 or 2, wherein the headed vegetable harvester has a configuration in which it is dropped on a lateral feed conveyor.