JPH0866112A - Harvester for leaf vegetables - Google Patents

Abstract

PURPOSE: To provide a harvester for leaf vegetables designed to dig up the leaf vegetables such as a Welsh onion, spinach or Brassica campestris L. rapa var. pervidis from a field, convey and regulate the leaf vegetables and house the regulated leaf vegetables in a container. CONSTITUTION: This harvester for leaf vegetables is obtained by installing a digging conveyor device, having a prescribed width, passing from the lower front of a machine body through the upper center thereof to the rear thereof and capable of digging up and conveying the leaf vegetables in a field in a mobile machine body, arranging a travel crawler installed in the mobile machine body nearly within the width of the digging conveyor, further installing a transmission and an engine in the central position in the width direction at the rear of the machine body and attaching guide device, located on the lateral or the upper side of the digging conveyor device and guiding the leaf vegetables, harvested and conveyed with the digging conveyor device.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a leafy vegetable harvesting machine in which leafy vegetables such as green onions, spinach and Japanese mustard spinach are excavated from a field, transported, prepared and stored in a container.

[0002]

2. Description of the Related Art Conventionally, there is no leaf vegetable harvesting machine for digging and transporting leaf vegetables such as green onions, spinach and Japanese mustard spinach from a field, preparing and storing them in a container. In the green onion (Nebuka green onion), the underground buried part is deep, so
It is not easy to extract manually, and since the onion itself may be damaged during extraction, the soil on the side of the green onions growing in the field is dug up with a hoe (manual) or mechanical force, and it is possible to extract it manually. It's easy to do.

[0003]

As described above, in the conventional harvest of leafy vegetables, there is currently no leafy vegetable harvester for digging and transporting leafy vegetables from the field, preparing and storing them in a container. Moreover, even if the soil on the side of the green onion growing in the field is dug up by mechanical force, it must be extracted manually, which requires a lot of labor and time. The present invention has been made to solve the above problems.

[0004]

In order to achieve the above object, the present invention provides a self-propelled aircraft with a predetermined width from the front of the lower portion of the fuselage to the rear portion of the fuselage through the upper portion of the fuselage to the rear of the fuselage. A digging conveyor device that digs and conveys is provided, a traveling crawler equipped on the self-propelled aircraft is arranged within approximately the width of this digging conveyor device, and a transmission and an engine are arranged at the widthwise center position behind the aircraft. In addition, a guide device is provided at a side or above the digging conveyor device to guide the leaf vegetables harvested and conveyed by the digging conveyor device.

[0005]

With the above structure, the leafy vegetable harvester of the present invention is
With the progress of the aircraft, the digging conveyor device digs and conveys the leafy vegetables vegetated in the field, and at the same time as this conveyance, the leafy vegetables are guided by the guide device to be transported in an orderly manner, and the roots are cut and bound. The preparation work and the container work are efficiently carried out. Further, the harvesting machine has a narrow body width, it is easy to move the body corresponding to the cultivation ridges of leaf vegetables to be harvested, the front-rear balance of the body is good, and the operability is good.

[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 4, reference numeral 1 denotes a leafy vegetable harvesting machine. The leafy vegetable harvesting machine 1 has a body 2 having a predetermined width and extending in the front-rear direction. A digging conveyor device 3 for digging and transporting leafy vegetables in the field is provided from the upper part to the rear part. The traveling crawlers 4 and 4 mounted on the machine body 2 are arranged substantially within the width of the digging conveyor device 3, and the transmission 5 and the engine 6 are arranged at the center position in the width direction behind the machine body 2. Provided on one side or one side above the digging conveyor device 3 is a guide device 7 for guiding the foliage of the harvested product which is dug from the field and whose root side is conveyed by the digging conveyor device 3. There is.

The traveling crawlers 4 form a pair of right and left, and are capable of spinning (super-trusted) turning. Engine 6
A hydraulic pump 8 is provided near the engine to receive power from the engine 6, and an input portion of the transmission 5 is provided with a hydraulic continuously variable transmission (HST) 9 to receive power from the engine 6 and continuously change speed. And input it to the transmission 5. A control / operation section 10 is provided on the side of the machine body 2 opposite to the side on which the guide apparatus 7 is installed, and the control / operation section 10 has a long length in the front / rear direction behind which the control / operator can ride. Step 11 is provided.

The digging conveyor device 3 is supported by a pair of left and right side frames 12 and has a digging blade 13 at the tip.
Is provided and is continuous with the digging blade 13, and is provided with a harvested product conveyor belt 14 which is composed of an endless bar conveyor and has slats arranged at predetermined intervals. The front frame 12a of the side frame 12 is supported by a horizontal shaft 15 so as to be rotatable by a predetermined angle in the vertical direction with respect to the rear frame, and a hydraulic cylinder 16 installed between the body 2 and the front frame 12a. By the expansion and contraction operation of, it is possible to adjust vertically and hold it in a bent state. On the front frame 12a, a pair of left and right disc-plow-shaped ridge-breaking blades 17 are provided so as to project from above the digging blade 13 to the front side, and the ridge-breaking blades 17,
Behind one side of 17, a crop tilting plate 18 for guiding the crop toward the one side of the machine body, and a pair of left and right support arms 20, 20, which are supported by both side surfaces of the target ridge projecting to the front of the machine body. A pair of wheels 19 that roll on and follow
And 19 are provided. Also, this front frame 12a
Can be adjusted up and down by an up-and-down adjusting mechanism 21 having a manual rotating handle, and the digging depth of the harvested product can be adjusted.

In the guide device 7, the endless belt 22 is provided with a large number of protrusions 23, 23 ...
5 and the front end of the front frame 12a.
It is supported by a support arm protruding from. The endless belt 22 is connected to the leading end of the endless belt 22 so as to receive power transmission from the power take-out portion 14a of the harvested material carrying band 14 via the flexible transmission body 26. Then, the front frame 12a is attached to the hydraulic cylinder 16 or the vertical adjustment mechanism 21.
When the digging depth of the digging blade 13 is adjusted or the digging conveyor device 3 is folded, the rear support portion 27 is freely moved in the slit 25.

A root cutting device 28 is provided on one rear side of the digging conveyor device 3 (on the side of step 11) for a worker to carry the harvested product conveyed by the harvested product carrying zone 14 and cut the root part thereof. It is provided. This root cutting device 2
Although not shown, reference numeral 8 is a disk-shaped rotary blade or an endless rotary cutting blade driven by power. On the opposite side of the root cutting device 28, there is provided a first stock platform 29 for temporarily stocking the conveyed harvested products. The second stock table 30 is located below the first stock table 29, and the first stock table 29 is
It is rotatably provided in a storage position where it is stored below and a projecting position which projects to the rear of the machine body. A container mounting table 31 is provided above the engine 6 at the rear end of the machine body and is adjustable in vertical height.

In the transmission 5 that receives power from the engine 6 to change gears, the hydraulic continuously variable transmission 8 is used.
The power that is steplessly changed by the input is input, and in combination with the speed change gear, the output is continuously and steplessly changed, and the power transmission is connected and disconnected through the side clutch, the differential device, etc. 4 is continuously and steplessly changed, and spin turning (super turning turn) is possible. In addition, the power that has been changed in speed is transmitted from the transmission 5 to the harvest conveyance belt 14 and the endless belt 22,
It is possible to adjust the speed continuously and stepwise by synchronizing these,
By combining this speed change with the stepless or stepped running of the traveling crawlers 4, 4, the digging work speed can be freely set.

The wheels 19 and 19 have a camber angle and roll on both sides of the ridge to be harvested so as to follow along the length direction of the ridge to be harvested as the machine body moves. The operator enables automatic piloting without manipulating the piloting / operating section 10. Therefore, the pilot / operator who got on step 11 leaves the pilot / manipulator 10 for most of the time during which the harvesting work is performed, except for the piloting operation at the end of the harvested field, and the preparation work, etc. at the rear of the machine body. Will be able to engage in.

The ridge-breaking blades 17 and 17 scrape the soil on both the left and right sides of the ridge to be harvested so as to scrape the vegetation (green onions) to such an extent that the vegetation does not fall, and then breaks between the ridges on both sides. The lower side of the harvested product is excavated by the digging blade 13 and placed on the harvested product transport belt 14. Further, the harvested products that have been ridden on the harvested product transport zone 14 are guided by the harvested product tilting plate 18 almost at the same time, and the foliage side is tilted toward the endless belt 22 of the guide device 7 and supported by the projections 23, 23. , And is conveyed toward the rear of the machine body together with the rhizomes placed on the harvested material conveyance belt 14.

The harvested products transported by the harvested product transport belt 14 and the endless belt 22 are captured by the operator / operator riding on the rear part of the step 11 at the end of these transports, and the roots thereof are cut by the root cutting device 28. Then, they are bundled and housed in the container placed on the container placing table 31. In addition, the harvested conveyor belt 14 and the endless belt 22
The harvested products which have not been captured by the pilot / operator at the end of transportation of the above are stocked on the first stock table 29, and are captured by the pilot / operator and similarly processed. If the harvest is not green onions but spinach and komatsuna, then
The stock table 30 of No. 1 is overhanged to the used state, and the processed product is placed on it.

Next, the operation of the leafy vegetable harvesting machine 1 having the above-described structure will be described with reference to FIGS. 5 and 6. The leafy vegetable harvesting machine 1 uses wheels 19 and 19 when harvesting green onions that are cultivated by furrowing in a field, for example.
Are positioned on both sides of the ridge to be harvested, and the digging depth of the digging blade 13 of the digging conveyor device 3 is adjusted by moving up and down by the up-down adjusting mechanism 21 or the hydraulic cylinder 16. Then, when the machine is advanced by the traveling crawlers 4 and 4, first, the soil on both left and right sides of the green onion that is vegetated on the ridge to be harvested is scraped off by the ridge-breaking blades 17 and 17 to such an extent that the green onion does not fall down. It is destroyed toward the furrow. Therefore, the traveling crawlers 4 and 4 have the ridge-breaking blades 17 and 17.
It will run on the soil destroyed by.

Next, the green onion A is dug up by the digging blade 13 together with the soil therebelow and placed on the harvested material carrying zone 14, but at the same time as this, the green onion A is the harvested material falling plate 1.
8 is guided by the endless belt 2 of the guide device 7
While being tilted toward 2, and supported by the projections 23, 23,
The crops are conveyed toward the rear of the machine body together with the rhizomes placed on the conveyor belt 14. During this transportation, the harvest transportation belt 1
Most of the soil placed on 4 and the soil attached to the rhizome of the green onion A falls into the field through the gap of the bar conveyor.

The green onion A reaching near the end of conveyance of the harvested material conveying belt 14 and the endless belt 22 is caught by the operator / operator standing at the rear of the step 11, and the root thereof is cut by the root cutting device 28, The containers are bundled and accommodated in a container placed on the container placing table 31. Further, the harvested products which are not captured by the pilot / operator at the transport end of the harvested product transport belt 14 and the endless belt 22 are temporarily stocked on the first stock table 29 and captured by the pilot / worker. Is processed.

Here, the leafy vegetable harvesting machine 1 performs step 11
Is provided long from the control device 10 to the rear of the machine, so that one operator can perform the control of the machine by the control device 10 and the preparation work at the rear of the step 11, and miniaturize the harvester. It becomes possible. Further, since the moving speed of the digging conveyor device 3 and the guide device 7 can be adjusted steplessly or stepwise and can be moved up and down with respect to the machine body 2, it is suitable for the field conditions and the crop conditions. By selecting the moving speed and the digging depth, a highly accurate and efficient harvesting work can be performed.

When the front frame 12a is moved up and down by the hydraulic cylinder 16 and the vertical adjustment mechanism 21 to adjust the digging depth, or when the hydraulic cylinder 16 is bent, the endless belt 22 of the guide device 7 is moved. The rear support portion 27 freely moves in the slit 25 of the support frame 24, and the front frame 12a (digging conveyor device 3) can be freely adjusted up and down and folded.

Since the traveling crawlers 4 and 4 travel at continuously variable speeds and steplessly to enable spin turning (super-inclination turning), the machine body 2 spins stably in headland or the like. It is possible to move to the next harvest ridge with one turn, and it is possible to turn with good balance in either the left or right direction. Therefore, the traveling crawlers 4 and 4 do not greatly scrape the soil in the field.

[0021]

As described above, according to the leafy vegetable harvester of the present invention, the vegetation is vegetated in the field from the front of the lower portion of the body to the rear portion of the body with a predetermined width. A digging conveyor device 3 for digging and transporting leafy vegetables is provided, and traveling crawlers 4 and 4 mounted on the machine body 2 are arranged within substantially the width of the digging conveyor device 3 to form the machine body 2
A guide that guides the leaf vegetables A that are harvested and conveyed by the digging conveyor device 3 while arranging the transmission 5 and the engine 6 at the rear-side center position in the width direction and located on the side or above the digging conveyor device 3. Since the device 7 is provided, the leafy vegetables A vegetated in the field are digged and transported by the digging conveyor device 3 as the machine body 2 advances, and at the same time as this transporting, the leafy vegetables A are guided by the guiding device 7 and tidyly. It is possible to efficiently carry out the preparation work such as transferring, cutting the roots and binding them, and storing them in the container. Further, the width of the body of the harvester is narrow, and the body 2 can be easily moved in accordance with the cultivation ridge of the leafy vegetables A to be harvested, the front-back balance of the body 2 is good, and the operability is good.

[Brief description of drawings]

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

FIG. 2 is an overall plan view with the same portion omitted.

FIG. 3 is a front view of the same.

FIG. 4 is a partial plan view of the same.

FIG. 5 is a plan view showing a working state.

FIG. 6 is a side view of the same.

[Explanation of symbols]

 1 Leaf Vegetable Harvester 2 Airframe 3 Excavation Conveyor Device 4 Traveling Crawler 5 Transmission 6 Engine 7 Stem / Leaf Part Guide Device 8 Hydraulic Pump 9 Hydraulic Continuously Variable Transmission (HST) 10 Steering / Operating Section 11 Step 12 Side Frame (Frame) 12a Previous Part frame 13 Digging blade 14 Harvest transport belt 14a Power extraction section 15 Horizontal shaft 16 Hydraulic cylinder 17 Ridge blade 18 Harvest fall plate 19 Wheel 20 Support arm 21 Vertical adjustment mechanism 22 Endless belt 23 Projection 24 Support frame 25 Slit 26 Flexible transmission body 27 Rear support portion 28 Root cutting device 29 First stock table 30 Second stock table 31 Container mounting table A Harvested product (green onion)

Claims (1)

[Claims] 1. A self-propelled aircraft is provided with a digging conveyor device having a predetermined width, from the lower front of the aircraft, through the upper center of the aircraft, to the rear of the aircraft to dig and convey leafy vegetables in the field. The traveling crawler equipped on the self-propelled aircraft is arranged almost within the width of the conveyor device, the transmission and the engine are arranged at the center position in the width direction at the rear of the aircraft, and they are located on the side or above the excavation conveyor device. And a guide device for guiding the leaf vegetables harvested and conveyed by the digging conveyor device.