JP3533025B2 - Vegetable 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 vegetable harvesting machine, and more particularly to a vegetable harvesting machine that mainly facilitates the harvesting of spherical vegetables such as cabbage and lettuce.

[0002]

2. Description of the Related Art Conventionally, as disclosed in Japanese Patent Application Laid-Open No. 6-269215 and Utility Model Registration No. 3002543, spherical vegetables such as cabbage and lettuce or root vegetables such as radish and carrot are provided on the front side or one side of the traveling vehicle body. It has a harvesting mechanism that automatically harvests various kinds of vegetables, and subsequently this harvesting mechanism is provided with a conveyor device that automatically conveys the harvested vegetables on one side of the traveling vehicle body. An automatic harvester provided with a vegetable storage unit for storing vegetables has been known.

[0003]

[0007] than that of the prior art described above, but with the aim of fully automatic type toppers, but as the harvesting machine root vegetables well there is a possibility of commercialization, spherical In vegetable harvesting, automatic soil harvesting is difficult due to soil adhesion and damage to leaves, which are the products, and manual harvesting is currently required. Therefore, it is required to develop an ideal vegetable harvester by combining manual harvesting, a transporting section for mechanically transporting the harvested product, and manual processing.

[0004]

The present invention takes the following technical means in order to solve the above-mentioned problems. That is, the contract
The invention described in claim 1 includes front wheels 2 and 2 and rear wheels 3 and 3 on the left and right.
Vegetable vehicle body 1 of a left and right to reach said from position protruding forward from the upper to the front end of the vehicle body 1 in the front and rear wheels 2 and 3 at the rear end of the vehicle body 1 side front is inclined backward having a Provided with a conveyer 36, the left and right front wheels 2, 2 and rear wheels
3, 3 in the center position in the left-right direction, on the front side of the traveling vehicle body 1 and in the left-right direction of the starting end of the vegetable conveyor 36
On the side, vegetables that are growing in the field or harvested and left on the field surface are appropriately treated, and the vegetable transfer conveyor 36 is provided.
Harvesting seat 34 for harvesting workers that is placed and supplied on the starting end side of the
Is installed so that the harvester sits forward and sits
A harvest work that sits on the harvesting seat 34 near the harvesting seat 34
The trader is working speed and the rotation speed of the vegetable conveyor 36
The steering operation unit 53 for performing various maneuvers operations in degrees or the like is provided, the <br/> on the rear side of the vehicle body 1, after sorting and selecting the working section for selecting working harvesting vegetables to be conveyed by the vegetables conveyers 36 Moketako a working carrier 11 comprising a sorting vegetables accommodating apparatus and sorting worker riding portion can be mounted by sorting vegetables
And a vegetable harvesting machine. The invention according to claim 2
Means that the vegetable transfer conveyor 36 is
The vegetable harvester according to claim 1, which is removable. Claim
In the invention described in 3, the harvested vegetables provided at the rear of the traveling vehicle body 1 are
Sorting work section for sorting work and vegetables after sorting are sorted and installed
From the sorting vegetable storage device and the boarding section for sorting workers
The carrier 11 is detachably attached to the traveling vehicle body 1 side.
The vegetable harvester according to claim 1. Claim 4
The invention is to run on the starting end side of the vegetable conveyor 36.
Auxiliary front controller configured to face the front side of the vehicle body 1.
The vegetable harvester according to claim 1, further comprising a bear 42.
It was

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An example of the present invention will be described in detail with reference to the drawings. A traveling vehicle body 1 is a four-wheel steering type four-wheel drive having a pair of left and right steering drive type front wheels 2 and 2 and a pair of steering drive rear wheels 3 and 3. Four
Is mounted and is covered with the hood 5. 6
Is a driver's seat located between a pair of left and right rear wheels, and is configured to be pivotable in the front direction so that the backrest portion on the control handle 7 covers the handle. At the lower part and the rear part of the seat 6, a mounting table 8 on which a vegetable container such as a cardboard box D for storing vegetables can be mounted is provided, and the driver's seat 6 can be tilted to the front side to be widened. 9 is a vehicle body 1
The steps stretched over are shown below.

The steering handle 7 of the traveling vehicle body 1 is
The steering is configured so that it can be remotely controlled from another position, and of course it has a power steering structure, but the steering wheel operation can be controlled by an orbit valve that can be operated by a hydraulic motor by an appropriate command signal. In addition to being configured, it is also provided with a priority mechanism capable of gripping and operating the control handle 7.

At the rear part of the traveling vehicle body 1, a hitch body 10 operated by a hydraulic lifting mechanism is provided, and a carrier 11 as a working body connected to the hitch body 10 is provided. The hitch body 10 is provided with an operation function based on a command signal that is controlled so that the work body attached by the hitch can be held in an automatic horizontal posture state, and a command signal that freely rotates according to the surface soil surface of the field. It is configured so that it can be selectively retained as an actuation function based on the operation function or a mechanism for switching to a free rotation state, and an actuation mechanism that can maintain an attitude in an arbitrary tilt state based on a command signal. Reference numeral 12 is a sensor for detecting the inclination, which is mounted on the hitch body 10 or the working body side.
In the case of, it becomes unnecessary because it is a road reference traveling. Hitch body 1
The embodiment of No. 0 will be specifically described by way of example. An elevating link 14 composed of an upper link rod and a lower link rod, the bases of which are pivotally attached to the rear support column 13 of the traveling vehicle body 1, is provided. The hitch body 10 is rotatably attached to the connecting member 15 that pivotally connects the rear end side via a support shaft 16 in the front-rear direction, and the hitch body 10 is attached between the connecting member 15 side and the hitch body 10 side. A hydraulic device 17 for rotationally driving the hitch body 10 is interposed, and a posture of the hitch body 10 can be freely changed by a switching valve 18 for activating the hydraulic device.
That is, the switching valve 18 is electromagnetically configured so that it can be freely switched by a command signal from the microcomputer control unit CPU, the input signal to the control unit CPU is performed by the sensor 12, and the manual dial 19 is provided. According to the priority instruction signal according to (1), the switching valve 18 can be freely switched, and the hitch body 10 can be set and held in an arbitrary rotational posture state. That is, the command signal from the sensor 12 is not issued when the command is issued by the manual dial. In addition, an intermittent switching valve 20 for switching the hydraulic circuit to the two chambers of the double-acting cylinder of the hydraulic device 17 between the communicating state and the non-communicating state is provided, and a switching signal is transmitted to the control unit CPU by the manual button 21 so that the control unit can be freely operated. The hitch body 10 can be switched and can freely rotate without being hydraulically operated. When the carrier 11 of the above example is adopted as the work body, the intermittent switching valve 2
If 0 is switched to the communication state, the hitch portion can freely rotate, so that the road can be driven with reference to the road surface.

Reference numeral 22 is a hook concave portion of the hitch body 10, and 23 is a set claw, which is an engaging pin 2 attached to the working body 11 side.
4a and hook the hook recess 22, are detachably configured carrier 11 of the working member by engaging the lower side pin 24b at set nail 23. The carrier 11 of the embodiment will be described in detail. The underframe 2 having the hitch body 10 provided with a mounting hitch 25 capable of connecting a front portion thereof.
6, rolling wheels 28 are provided on the left and right sides of the lower rear part via casters 27 that are rotatable around the vertical axis, and are pulled by the traveling vehicle body 1. An up-and-down interchange mechanism 29 is provided between the mounting hitch 25 and the vehicle underframe 26, and the rolling wheels 28 of the vehicle underframe 26 are grounded and towed.

The structure of the carrier 11 will be described. In the left side portion, there are a net-stretched left and right wall and a plate-shaped rear wall in which a front upper upper sloping shelf 30 whose bottom surface becomes lower toward the rear is formed. A box-type sliding shelf is configured, and a step base 31 for an operator to stand on is widely provided on the right side portion so that a collected cardboard box, an empty box, or the like can be placed, and further on the right end side thereof. Is a foldable auxiliary stand 3
2 are configured.

Reference numeral 33 denotes a support frame detachably attached to the front side portion of the traveling vehicle body 1, which is constructed so that it can be firmly attached to and detached from the frame of the engine base by bolts. A harvesting seat 34 is attached to the front side of the support frame 33 via an adjusting rod 35 as an up-and-down adjusting mechanism, and the seat 34 is freely rotatable to the left and right while sitting. Further, the harvesting work is performed by sitting forward on the seat 34, and at this time, both feet are in a state of being able to walk in the field scene, and can be separated from the seat or can stand up as needed.

Reference numeral 36 denotes a vegetable conveyer, which has a conveyor belt 36a disposed on the left side of the traveling vehicle body 1 so as to incline in the front-rear direction so that the front is lower.
The front portion of the conveyor frame 38 that supports the driving wheels 37a, the driven wheels 37b, and the rolling wheels between which the belt 36a is wound is supported by the connection support 39 from the support frame 33, and the rear portion of the rear portion of the vehicle body 1 is supported. The frame is also supported by the connection support 40. Then, the rear end of the conveyor belt 36a is attached to the inclined shelf 3 of the chassis 26.
It is arranged so as to be higher than the front end portion of 0, and when vegetables conveyed by the conveyor belt 36a are discharged from the rear end of the belt, they are received by the upper end of the front end of the inclined shelf 30.

The connection supports 39, 40 are provided with a vertical adjustment function so that the inclination state of the conveyor 36 can be adjusted or the height of the front end side or the rear end side can be adjusted. Further, the connection supports 39 and 40 are both the traveling vehicle body 1
With respect to the support frame 33, which can be detachably attached to the support frame 33,
It is attached to the frame of the vehicle body 1. Reference numeral 41 is an electric motor which is an example of a drive device, and the motor drive shaft and the conveyor drive shaft are connected so that the shaft of the drive wheel 37a is electrically rotated. Of course, this electric motor 41
The rotation of the conveyor can be changed as appropriate, and the conveyor rotation speed can be freely changed. Further, it is needless to say that the invention may be driven not only by an electric motor but also by an engine, and the arrangement may be provided below the conveyor 36 so as not to project to the left. Although the conveyor 36 is shown as a flat conveyor in the illustrated example, the conveyor belt 36a
It is better to run with a U-shaped cross section, and the conveyor belt 36a is configured with low protruding lugs at a predetermined pitch so that spherical vegetables to be transferred can be reliably transferred without rolling. Is desired.

Further, since the vegetable conveyer 36 is mounted on the left side of the traveling vehicle body 1 in a parallel state as described above, the entire width of the vehicle body is widened, and it is troublesome to remove it during transportation or traveling on the road. However, the connection support 39, 40 is made foldable and the conveyor 3
This problem can be solved by changing the posture of the left end of 6 upward.

Reference numeral 42 denotes an auxiliary front conveyor, which is located at the front side of the conveyor 36, is supported by the frame 38 of the conveyor 36, and is a drive wheel around which a conveyor belt 44 is wound around a rotary shaft 43 of a driven wheel 37b. The support shaft 46 of 45 is configured to be transmission-rotated. Reference numeral 47 indicates a driven wheel. The front conveyor 42 is connected to the frame 3
8, the front portion is configured to be capable of turning in the left-right direction, and is provided so that the posture can be changed and set in a bent state between the conveyors 36 in a plan view.

The rear end side of the front conveyor 42 is higher than the start end side of the main conveyor 36, and the harvested vegetables placed on the front conveyor 42 are transferred to the rear side to the conveyor 36. It is inherited and transferred to the upper rear. Reference numeral 48 denotes a control frame portion provided in the vicinity of the control seat of the traveling vehicle body 1. The control lever 51 of the switching valve 50 of the hydraulic device 49 for operating the elevating link 14, the dial 19 for rotating the hitch body 10, and the intermittent connection. A switching tool 20a for the switching valve 20 is provided.

Further, a gear shift lever 52 for switching the traveling speed of the traveling vehicle body 1 is provided in the panel frame portion of the steering wheel column to change the vehicle speed. The vehicle speed can be changed by the servo motor 52a, and the control unit C is used.
It is possible to change the speed change command signal to the PU using the speed change lever 52b
The lever 52b is provided at the position of the operation frame 53 near the harvesting seat 34.

In addition, the operation frame 53 provided on the conveyor frame 38 located on the side of the harvesting seat 34 is used for the steering operation which allows the orbit valve 54 for operating the steering angle of the power steering to be freely switched. Is provided with a control setting device 55 (which may be a simple switch for switching between left and right directions), and a switch SW for operating the switching lever 52b and the hydraulic device 49.
3, SW4, switches SW1 and SW2 for switching the electromagnetic switching valve 59 of the hydraulic device 58 for turning on and off the strike clutch 57, and the like are provided, and various operations can be performed in the harvesting seat 34. There is. A dial 60 for adjusting the rotation speed of the electric motor 41 is also attached to the operation frame 53.

Next, the operation of the above example will be described in detail. First, when driving on the road, the operator rides on the regular driver's seat 6 and operates in the same manner as the tractor operation, such as cabbage and lettuce. Get into the field where you grow spherical vegetables. Next, the operator descends from the driver's seat to the field and rotates the seat 6 forward as indicated by the phantom line in FIG. 1 so that the lower part of the seat 6 can be used as a workbench.

In the harvesting work, the harvesting worker sits down on the harvesting seat 34, and the worker who packs the harvested vegetables in the corrugated cardboard stands on the carrier 11 and takes the posture of the harvesting work state shown in FIG . At this time, the empty cardboard is the carrier 1
The required number of the corrugated cardboards is loaded on the No. 1 and the corrugated cardboards for storing the vegetables are placed on the placing table 8 provided at the rear portion of the seat 6.

Next, the operator seated on the harvesting seat 34 performs various control operations provided on the operation frame 53 to adjust and set the working speed, the rotation speed of the conveyor 36, etc., to run the traveling vehicle body 1, and the vegetables are The harvesting seat 34 is located on the ridge to be grown, and the harvesting operation is facilitated. That is, the operation setting device 55
Operate while operating. Also, the harvester has a seat 3
While sitting on 4, while walking according to the speed of the traveling vehicle body 1, the root portion is cut off while pulling out the spherical vegetables with a kitchen knife or the like held in hand, and the vegetables are placed on the front conveyor 42.

Vegetables such as cabbage and lettuce placed on the conveyor 42 are transferred from the conveyor 42 to the main conveyor 36.
And is lifted backward and upward, and is automatically discharged from the rear end to the inclined shelf 30 of the carrier 11. Therefore,
An operator boarding the carrier takes out the vegetables from the container in which the inclined shelf 30 is formed and removes unnecessary leaves, and then performs cardboard filling.

When the vegetable harvesting work is carried out in this manner and the vehicle turns back near the ridge, the lifting link 1
4 is lifted by the hydraulic device 49 to lift the carrier 11 and turn. That is, the switching valve 50 is moved by the hydraulic operation lever 56.
Is switched over to lift the carrier 11 from the field scene, operate the steering setting device 55 to turn the traveling vehicle body 1, and then lower the carrier 11 again to continue the work. Then, after the turn of the ridge, the traveling of the traveling vehicle body 1 is stopped, the stored cardboards in the carrier 11 are lowered to the field scene, and new empty cardboards are loaded.

[0023]

According to the effects of the Invention The present invention, harvesting the operator is positively sitting on harvesting seat 34 of the front vehicle body 1 seats
Then , simply by placing the harvested vegetables that are growing in the field relatively approaching as the traveling vehicle 1 progresses or are harvested in advance and scattered in the field on the vegetable transport conveyor 36 arranged in the lateral vicinity, its harvest vegetables are conveyed on the rear upper side of the vehicle body 1, a packing work and processed vegetables can be collected to the vehicle body 1 accommodating vessel to navigate with a worker who another filtering process being at the rear of the vehicle body 1. Therefore, it is possible to easily and easily harvest vegetables without damaging the harvested vegetables.

[Brief description of drawings]

1] Side view

2 is a plan view

[Fig. 3] Hydraulic circuit diagram

FIG. 4 is a side view of the main part.

FIG. 5 is a plan view of the main part

FIG. 6 is a control circuit diagram

FIG. 7 is a side view showing a working state.

[Explanation of symbols]

1 running car 11 Working carrier 34 Harvesting Seat 36 Conveyor for transporting vegetables 42 Front conveyor 53 Control unit

─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Kazuo Saito 1-1-1, Otemachi, Maebashi City, Gunma Prefecture Gunma Prefecture, Agricultural Administration Department, Agricultural Technology Section (72) Inventor Yasunori Oda 1 Yakura, Tobe Town, Iyo-gun, Ehime Prefecture Address: Iseki Agricultural Machinery Co., Ltd.Technology Department (72) Inventor Fumio Kuroiwa No. 1 Yakura, Tobe-cho, Iyo-gun, Ehime Pref. (56) References JP-A-6-113636 (JP, A) JP-A-2-268604 (JP, A) JP-A-6-269215 (JP, A) (58) Fields investigated (Int .Cl. ⁷ , DB name) A01D 45/26

Claims (4)

(57) [Claims] Claims: 1. Front and rear wheels 2, 3 having front wheels 2, 2 and rear wheels 3, 3 on the left and right sides , above the front and rear wheels 2, 3 on the left and right sides of the traveling vehicle body 1, in front of the front end of the traveling vehicle body 1. The vehicle body 1
Vegetables conveyers 36 to the rear end side reaches said front side inclined backward is provided, the front wheels 2, 2 and the rear wheels 3 of the left and right
On the other hand, at the center position in the left-right direction , in front of the traveling vehicle body 1 and
For the harvesting worker who appropriately processes vegetables that are growing in the field or left on the surface of the field on the left and right sides of the starting end portion of the vegetable transfer conveyor 36 and supplies the vegetables to the starting end side of the vegetable transfer conveyor 36. Harvesting seat 34 for harvesting
The harvesting seat is provided so that the trader can sit down while facing forward.
In the vicinity of 34, a harvest worker sitting on the harvesting seat 34
Each business speed and rotation speed of the vegetable conveyor 36
The steering operation unit 53 for seeds steering operation provided, on the rear side of the vehicle body 1 can be mounted sorting vegetables after sorting and selecting the working section for selecting working harvesting vegetables to be conveyed by the vegetables conveyers 36 A feature is that a working carrier 11 including a sorting vegetable storage device and a sorting operator boarding section is provided.
And vegetable harvester. 2. The vegetable conveying conveyor 36 is a traveling vehicle body 1.
The vegetable harvester according to claim 1, which is removable . 3. A carrier 11 comprising a sorting work unit provided on the rear part of the traveling vehicle body 1 for sorting harvested vegetables, a sorting vegetable storage device capable of sorting and mounting the sorted vegetables, and a loading unit for sorting workers. The vegetable harvester according to claim 1 , wherein the vegetable harvester is configured to be detachable from the vehicle body 1 side . 4. The starting end side of the vegetable conveyor 36 is
The vegetable harvester according to claim 1 , further comprising an auxiliary front conveyor 42 configured to face the front side of the traveling vehicle body 1 .