JP2000245225A - Leaf vegetables harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a leaf vegetables harvester capable of improving operation efficiency by simultaneously harvesting leaf vegetables in plural rows. SOLUTION: This leaf vegetables harvester is equipped with a machine body 1 which is low in the front and high in the rear, having nearly definite width dimensions over whole length. A guide part group 3 is provided in the front end of the machine body 1 and a carrying part group 4 is arranged from the neighborhood of the front end of the machine body 1 over the neighborhood of the rear end behind the guide part group 3. A root part cutting part group 5 for cutting root part A2 of the leaf vegetables A which is vegetated in a field is provided under the guide part group 3. Leaf vegetables A in plural rows are guided toward the carrying part group 4 while raising a leaf part A1 in a state in which the guide part group 3 hangs by traveling by a traveling part 7 of the machine body 1 and the carrying part group 4 carries the leaf vegetables harvesters A in plural rows in which the root part is cut by a cutting part group 5 toward the rear upper side.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a leaf vegetable harvesting machine for harvesting leaf vegetables such as spinach, komatsuna, spring chrysanthemum, and green onion.

[0002]

2. Description of the Related Art Conventionally, as a leaf vegetable harvester of this kind,
For example, Japanese Patent Application Laid-Open Nos. 7-135831 and 9-2
A leaf vegetable harvester described in Japanese Patent Application Laid-Open No. 71240 or Japanese Patent Application Laid-Open No. 9-308353 is known.

[0003] In the leafy vegetable harvesting machine described in Japanese Patent Application Laid-Open No. 7-135831, a root cutting section for cutting the root of leafy vegetables vegetated in a field is provided at the lower front side, and the root is cut at the root cutting section. It has an airframe provided with a transport unit that transports the cut leafy vegetables upward and rearward from the lower front end to the upper rear end.

At the front end of the body, a pair of left and right cones or a weeding plate for guiding the single-leafed leafy vegetables toward the transporting section while raising the leafy leaves on both sides of the leafy vegetables. A configuration is provided in which a single-section guide portion composed of the above is provided.

[0005]

However, as in the leafy vegetable harvesting machine described in the above-mentioned conventional Japanese Patent Application Laid-Open No. 7-135831, a single leafy vegetable is guided toward the transport section at the front end of the body. In the configuration provided with the strip guides, it is not possible to collect a plurality of strips of leafy vegetables collectively, so that there is a problem of poor work efficiency.

Incidentally, the above-mentioned conventional Japanese Patent Application Laid-Open No.
In the leafy vegetable harvesting machine described in Japanese Patent Application Publication No. H10-205, the width of the traveling unit that travels in the field while supporting the transport unit and the single-row guide unit is
Since it is inevitable to be larger than the width of each of the transporting section and the single-section guide section, the traveling section may step on the leafy vegetables and damage the leafy vegetables. In addition, leafy vegetables vegetated near both side edges of the field in house cultivation must be harvested manually.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a leaf vegetable harvesting machine capable of improving work efficiency by simultaneous multiple harvesting.

[0008]

According to a first aspect of the present invention, there is provided a leaf vegetable harvesting machine, which is provided at a lower portion of a front side of the body and cuts a root of a plurality of leaf vegetables vegetated in a field. A transport section group that transports the plurality of leafy vegetables whose roots have been cut in the group toward the rear upper side, and a plurality of pieces that are provided at the front end of the body and raise the leafy state of the leafy vegetables. A guide section group for guiding leafy vegetables toward the transport section group.

A plurality of leafy vegetables are guided toward the transporting unit group while the leaf portion of the leafy vegetables is erected in the guide unit group, and the root portion is cut by the cutting unit group in the transporting unit group. Since the multiple leaves of leafy vegetables are transported toward the rear upper side,
A plurality of leafy vegetables are harvested collectively, improving work efficiency.

[0010] The leafy vegetable harvesting machine according to claim 2 is claim 1.
In the leafy vegetable harvesting machine described, the body is provided with a traveling unit that supports a root cutting unit group, a conveying unit group, and a guiding unit group,
The width dimension of the traveling section is set to be equal to or less than the width dimension of each of the root cutting section group, the transport section group, and the guide section group.

The running section runs on the harvested portion of the leafy vegetables, and the running section does not step on the leafy vegetables, and furthermore, corresponds to the entire cultivation of the field, and is located near both side edges of the field. There is no need to manually harvest leafy vegetables vegetated in the country.

[0013] The leaf vegetable harvesting machine according to claim 3 is claim 2.
In the leafy vegetable harvesting machine described in the description, the traveling portion has a vehicle body frame provided on both left and right sides of a traveling body traveling in contact with the ground, and a grounded body at a front end portion, and is maintained at a fixed ground level position by the grounded body. And a swing frame that is swingably supported by the vehicle body frame, and the root cutting section group, the transport section group, and the guide section group are supported by the swing frame.

[0013] Since the root cutting section group, the transport section group, and the guide section group are supported by the swing frame, the root cutting section group, the transport section group, and the guide section group are adapted to the ground conditions and the like. It does not lean with the body frame and is maintained at a certain height range.

According to a fourth aspect of the present invention, there is provided a leaf vegetable harvesting machine.
In the leafy vegetable harvester described above, the guide unit group is supported by the swing frame of the traveling unit so that the ground height position can be adjusted.

[0015] By adjusting the height of the guide section group above the ground, it is possible to cope with leaf vegetables of different sizes.

[0016] The leaf vegetable harvesting machine according to claim 5 is characterized by claim 1.
5. In the leaf vegetable harvesting machine according to any one of the above items 4, a storage section for storing a plurality of leaf vegetables transported from the transport section group is provided at a rear end of the body, and the width dimension of the storage section is set to the guide section group. Is a dimension corresponding to the width dimension of.

Since the width of the storage section is set to a size corresponding to the width of the guide section group, a plurality of leafy vegetables can be directly carried out of the transport section group.

[0018] The leaf vegetable harvesting machine according to claim 6 is provided in claim 1.
6. The leafy vegetable harvester according to any one of Items 1 to 5, wherein the body is formed to have a substantially constant width over its entire length and to be elongated in the traveling direction.

Further, since the body is formed in a slender shape in the traveling direction with a substantially constant width over the entire length, the weight balance of the entire body is improved.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The configuration of an embodiment of a leaf vegetable harvester of the present invention will be described below with reference to the drawings.

FIG. 1 to FIG. 3 are views showing a walking-type leafy vegetable harvesting machine for performing simultaneous multiple harvesting of leafy vegetables A vegetated in a field in a house cultivation. , 1 is an airframe, and this airframe 1 is
It is formed in a slender shape having a longitudinal direction in the traveling direction X with a substantially constant width dimension over the entire length, and a front low, rear high.

The body 1 has a guide section group 3 at the front end, and a transport section group 4 is arranged behind the guide section 3 from the vicinity of the front end of the body 1 to the upper portion near the rear end thereof. Below the guide section group 3, a root cutting section group 5 is provided. Further, at the rear end of the body 1, there is provided a storage section 6 for storing a plurality of leafy vegetables A transported from the transport section group 4. The storage section 6, the guide section group 3, Working unit 10 composed of part group 4 and root cutting part group 5
Are supported by a traveling unit 7 that causes the body 1 to travel in the traveling direction X.

The running section 7 is shown in FIGS.
As shown in the figure, the vehicle body frame 11 has a pair of left and right front wheels 12 attached to the front left and right sides of the body frame 11,
A pair of right and left rear wheels 13 are mounted on the left and right sides of the rear wheel, and the power from a wheel driving means 15 such as a motor is transmitted to the rear wheels 13 by a wheel power transmission mechanism such as a chain transmission mechanism or a belt transmission mechanism. The rear wheel 13 is rotationally driven by the transmitted power, and the body 1 travels.
The running body 18 is constituted by the front wheel 12, the rear wheel 13, and the like.

The housing 6 is disposed above the rear end of the body frame 11, and the container 6
The container 19 is provided so as to be detachable, and is movable in the width direction or the length direction of the body 1 as necessary. Further, an operation unit 20 is disposed on the left side of the rear end of the body frame 11, and the operation of the body 1 is performed by the operation unit 20.

Further, universal joints 22 are attached to both ends of the body frame 11 at four predetermined positions in the front, rear, left and right directions.
The two connecting rods 21 are connected to each other, and an elastic body 23 such as a coil spring is connected to two places at the upper rear end. The swinging frame is attached to the body frame 11 with the connecting rods 21 and the elastic bodies 23 interposed therebetween. 25 is swingably supported.

A grounding body 26 such as a pair of left and right gauge rollers is rotatably mounted at the front end of the swing frame 25. For example, the body frame 11 in a horizontal state shown in FIG. As shown in FIG. 5, the swing frame 25 does not tilt even when tilted to the left or right depending on the condition of the ground in the field or the like. The group of units 3, the group of conveying units 4, and the group of root cutting units 5 maintain a constant horizontal state, and also maintain a certain range of height positions.

It should be noted that the width dimension W ₁ of the traveling section 7 is as shown in FIG.
As shown in FIG. 1, the width dimension W ₁ of the root cutting section group 5 is smaller than the width dimension W _2, and the width dimension W ₁ of the traveling section 7 is, as shown in FIG. And a width dimension smaller than the width dimension of each of the transport unit groups 4. Further, the width of the housing portion 6 is substantially the same as the width of the guide portion group 3.

The guide section group 3 includes, for example, a plurality of rows, ie, a plurality of rows,
While min grass caused drooping leaf portion A ₁ of the state of the leafy vegetables A of Article is for guiding toward these Article 4 leaf vegetables A simultaneously the transport unit group 4.

As shown in FIG. 1, the guide section group 3 is composed of a plurality of, for example, four guide sections 3a, 3b, 3c, 3d. Each of the guide sections 3a, 3b, 3c, 3d is as shown in FIGS. 8 and 9, it enters from the front end side downward drooping of leaves a ₁ of leaf vegetables a, contacted with the outer peripheral surface to the lower surface of the leaf a _1, moments from the leaf portion a ₁ in which this contact in response to receiving in other words the resistance of the leaf portion a ₁ and rotated from above the portion which contacts the leaf vegetables a in a direction toward downward, was separated grass undergoing leaf a ₁ in a state of hanging entangled, A pair of left and right elongated cylindrical rotary guides 31a for guiding the leafy vegetables A toward the transport unit group 4
, 31b.

Each of the rotary guides 31a and 31b is formed in an elongated cylindrical shape having a conical portion with a conical end at the tip thereof, and is substantially along the traveling direction X of the body 1. It is disposed to be inclined downward from the base end toward the distal end, and is disposed in a horizontal direction approaching the leafy vegetables from the distal end toward the base end, that is, disposed in a direction to approach each other. I have.

And, among the rotary guides 31a, 31b of the guides 3a, 3b, 3c, 3d, the rotary guide 31a of the guide 3a, the rotary guide 31b of the guide 3b, and the guide 3c
Rotation guide body 31a and the rotation guide body of the guide portion 3d
As shown in FIG. 6, 31b is supported by a fixed support 32 having a base end fixed to the transport start end of the transport section group 4. That is, each of these rotary guide bodies 31a, 31b is rotatably mounted on the guiding body mounting rod portion 33 of the stationary support 32, rotated by the rotational force from the leaf A ₁ in contact, i.e. rotates. In addition, the fixed support of the guide portions 3a, 3d
The guide member mounting rod 33 of 32 has rotating guide members 31a and 31b.
An elongated cylindrical rotating body 31c is rotatably attached to the body 1 and these rotating bodies 31c are located on the left and right side edges of the body 1.

On the other hand, of the rotary guides 31a, 31b of the guides 3a, 3b, 3c, 3d, the rotary guide 31 of the guide 3a is used.
b, a rotary guide 31a of the guide 3b, a rotary guide 31b of the guide 3c, and a rotary guide 31a of the guide 3d.
As shown in FIG. 7, is supported by a movable support member 35 whose base end is fixed to a continuous portion at the distal end of root cutting blades 61a, 61b, 61c, 61d described later of the root cutting section group 5. . That is, each of these rotation guides 31a and 31b is
Mounted for rotatably guiding body mounting rod portion 36, rotated by the rotational force from the leaf A ₁ in contact, i.e. rotates. Further, these rotary guides 31a, 31b vibrate along the horizontal left and right directions of the body 1 with the vibration of the root cutting blades 61a, 61b, 61c, 61d.

The transport unit group 4 is a plurality of, for example, four, leaf vegetables A guided by the guide unit group 3,
Leafy vegetables A whose roots A ₂ have been cut in the root cutting part group 5
To the container of the storage section 6 located at the rear end of the body 1
It is transported toward 19.

As shown in FIG. 1, the transport section group 4 is composed of a plurality of, for example, four transport sections 4a, 4b, 4c, and 4d, and the transport sections 4a, 4b, 4c, and 4d have a front side. A pair of opposed conveyance conveyors 41a and 41b are provided on both sides of the conveyance path gap 40 on the carry-in side, respectively, and one double-row alignment conveyance conveyor is provided on the back side of the carry-out side.
42 are provided.

The opposed conveyors 41a and 41b clamp and clamp a plurality of, for example, four leaf vegetables A in a standing posture in which a lower portion is loosely inserted into the gap 40 of the transport path while standing. Without this, the leafy vegetables A are transported along the transport path gap 40, that is, transported with the leafy vegetables A placed thereon. On the other hand, the double-row alignment conveyor 42
Is for transporting a plurality of, for example, four, leafy vegetables A in the same direction, that is, for example, on the right side of the body 1 in a line-up position on the upper surface and transporting them.

Each of the opposed conveying conveyors 41a, 41b
Is inclined at a predetermined angle, for example, at an acute angle θ shown in FIG. 1 in the horizontal direction with respect to the multiple-row alignment conveyance conveyor 42 along the traveling direction X of the machine body 1. Then, of the pair of opposed conveying conveyors 41a and 41b, the conveying end of one of the opposed conveying conveyors 41a opposite to the side on which the leafy vegetables A fall down is set to the other opposed conveying conveyor 41b.
And is located above the transfer start end of the multiple-row alignment transfer conveyor 42. That is, the notch 43 is formed at the transport end of each of the opposed transport conveyors 41a and 41b.

Further, each of these opposed conveying conveyors 41a
, 41b are opposed conveying conveyor frames 44 supported by the swing frame 25, as shown in FIGS.
Has an endless body 45 attached thereto.

The endless body 45 travels along the transport path gap 40 and is formed to be narrow with a relatively soft elastic material such as sponge or rubber material. A plurality of abutting projections 46 projecting toward the transport path gap 40 side are formed integrally with the entire outer circumference at a predetermined interval along the traveling direction.

Each of the contact protrusions 46 is formed in a vertically long rectangular plate shape in the vertical direction, and as shown in FIG. 11, the adjacent contact protrusions 46 of one of the opposed conveying conveyors 41a are connected to each other. A set of contact protrusions 46 is configured by the contact protrusion 46 and an adjacent contact protrusion 46 of the other opposing transport conveyor 41b opposed to the other, and one set of the contact protrusion 46 is provided between the set of contact protrusions 46. The lower portion of the leafy vegetables A is loosely inserted, and one set of the contact protrusions 46 is supported and transported in a state where one leafy vegetables A is in an upright posture.

Further, as shown in FIG. 10, two opposed conveying conveyors arranged between adjacent conveying path gaps 40.
The respective endless bodies 45 of the endless bodies 41a and 41b are arranged close to each other.
Can be engaged with each other. The transfer path gap 40
Pair of opposed conveyors 41a, 41 arranged on both sides of the
The respective endless bodies 45 of b are arranged at a predetermined distance from each other.

Then, as shown in FIG. 10, each endless body 45 of one opposing transport conveyor 41a is wound around driven rotating bodies 48, 48 such as driven pulleys located at both ends, and the other opposing transport conveyor 41b. A driven rotator 48 such as a driven pulley and a driving rotator such as a driving pulley, each endless body 45 of which is located at both ends.
The power from a conveyor driving means 50 such as a motor is transmitted to the driving rotator 49 by a power transmission means 51 for an opposed conveyor, and the transmitted motive power drives the driving rotator 49 to rotate. And the opposed conveyor 41a
, 41b run around and move around. The endless body 45 of the opposing conveyor 41a of the conveyor 4a rotates based on the rotation of a driving rotating body 49a such as a driving pulley provided at an intermediate position.

On the other hand, the double-row aligning and conveying conveyor 42 comprises:
As shown in FIGS. 1 and 2, between a pair of left and right opposed conveyance conveyor frames 54 supported by the swing frame 25,
It has a pair of rotating shafts 55 which are attached to the front and rear ends and are spaced apart from each other. An endless belt 56 is wound around these rotating shafts 55.

These rotary shafts 55 are both rotated about a rotation center axis along the width direction of the machine body 1. The rotary shafts 55 located at the front end of the multi-row alignment / conveyor 42 are Power from the conveyor driving means 50 such as a motor is transmitted by the aligning and conveying conveyor power transmitting means 58,
The rotating shaft 55 is rotationally driven by the transmitted power, and the endless belt-like body 56 travels and reciprocates along the longitudinal direction of the body 1.

The endless strip 56 is made of a sponge or a relatively soft elastic material such as a rubber material so as to have a width substantially equal to the width of the body 1.
On the planar upper surface of the endless band-like body 56, for example, four leaf vegetables A, which are laid down in the same direction, are placed in a line and conveyed.

[0045] The root cutting unit group 5, for example, plural rows, which is vegetation in the field in the greenhouse, is to cut the roots A ₂ of leaf vegetables A of example 4 Article.

As shown in FIG. 1, the root cutting section group 5 is composed of a plurality of, for example, four root cutting sections 5a, 5b, 5c, 5d, and each of the root cutting sections 5a, 5b, 5c, 5d is As shown in FIG. 1, while moving in the soil of a field, for example, an elongated rectangular plate along a horizontal direction for cutting a root A ₂ of four leaf vegetables A being guided by the guide group 3. Root cutting blades 61a, 61
b, 61c and 61d. In addition, this root cutting part 5a
The root cutting blade 61a and the root cutting blade 61b of the root cutting part 5b are integrally formed to form a substantially rectangular shape in plan view, and similarly, the root cutting blade 61c of the root cutting part 5c and the root cutting part 5d are formed. Root cutting blade 61
and d are integrally formed to form a substantially rectangular shape in plan view.

The root cutting blades 61a, 61b, 61c
, 61d are supported by a vibration support device 63 fixed to the end of the swing frame 25 so as to be able to vibrate in the horizontal and horizontal directions of the body 1, and have a constant depth, as shown in FIGS. The body 1 is arranged so as to be movable and maintain a constant horizontal state, and is inclined downward in the traveling direction X of the body 1.

The vibration support device 63 has a pair of left and right fixed rods 64 that are inclined obliquely forward and downward. The center portion is rotatably connected, and the tip of each of the two rotating rods 65 projects rearward from the continuous tip of the root cutting blades 61a, 61b, 61c, 61d. It is connected and fixed to 66.

On the other hand, the vibration supporting device 63 has blade driving means 68 such as a motor, and the blade driving means 68 has a blade power constituted by a chain transmission mechanism or a belt transmission mechanism having a cam device. Transmission means 69 is connected. When the pair of left and right movable rods 70 reciprocate by receiving the power from the blade power transmission means 69, the two rotating rods 65
Reciprocate around a central portion at predetermined angles, and the root cutting blades 61a, 61b, 61c, 61d vibrate along the horizontal left and right directions of the machine body 1.

Next, the operation of the above embodiment will be described.

When the operator operates the operating unit 20 of the machine body 1 to perform the simultaneous multiple-row harvesting of the leafy vegetables A, power is supplied from a power source 71 such as a battery and the conveyor driving means is operated.
50 and the blade drive means 68 start operating.

Then, based on the start of this operation, the opposing conveyor 41
Each of the endless bodies 45 of a and 41b rotates, and the endless belt-like body 56 of the multiple-row aligning and conveying conveyor 42 rotates. The root drive blades 61a, 61b, 61c are driven by the power from the blade drive means 68.
, 61d vibrate.

When the operator further operates the operation unit 20 of the machine body 1 under such an operating state, the wheel driving means 15 receives supply of electric power from the electric power source 71, and the power from the wheel driving means 15 The rear wheel 13 is driven to rotate, and the body 1 travels in the traveling direction X.

The traveling of the airframe 1 causes the guide section group 3 to move, for example, the leaf section A of the four-leaf leaf vegetables A in a hanging state.
_{While the} leaves ₁ are raised and weeded, these four-leaf leafy vegetables A are simultaneously guided toward the transporting unit group 4.

[0055] Also, during guidance by the guide unit group 3, root A ₂ of leaf vegetables A vegetation has been example 4 Article in the field at the root portion cutting section group 5 are simultaneously cut.

When the leafy vegetables A whose roots A ₂ have been cut are successively guided from the guide section group 3 to the transport section group 4, a plurality of pairs of opposed transport conveyors 41 a, 41 b of the transport section group 4 form: For example, when the four-leaf leafy vegetables A stand, the transport path gap
After that, for example, four leafy vegetables A are transported in an aligned manner in a posture in which, for example, four leafy vegetables A are laid sideways in the same direction by one double-row alignment transport conveyor 42.

In the course of the conveyance by the conveyance section group 4, the opposing conveyors 41a and 41b and the multiple-row alignment conveyor 42 are used.
Is changed from the standing posture of each leafy vegetable A to the posture of falling sideways toward the right side of the body 1.

That is, a notch 43 is present at the terminal end of the opposing conveyors 41a and 41b, and the opposing conveyors 41a and 41b are connected to the multi-row alignment conveyor.
Since it is inclined by an angle θ in the horizontal direction with respect to 42, the leafy vegetables A in a standing position are separated from the on-coming conveyor 41 a and fall obliquely rightward and rearward with respect to the traveling direction X of the body 1.

When moving from the opposing conveyors 41a and 41b to the multi-row alignment conveyor 42, the machine 1
Is applied to the lower end portion of the leafy vegetables A that has fallen obliquely rightward and rearward with respect to the traveling direction X of the airframe 1 from the double-row aligning / conveying conveyor 42 in the reverse direction of the body 1.
However, as shown in FIG. 1, the posture is changed to the right side with respect to the traveling direction X of the body 1 in the same direction.

Next, the 4 unloaded from the transport section group 4
The leafy vegetables A fall under their own weight and are stored in a container 19 in the storage section 6 in an organized state.

Accordingly, when the operator changes the direction of the machine 1 as appropriate and runs the machine 1 over the entire field in the house, for example, all the leafy vegetables A vegetated on the field with the machine 1 are compounded. It is harvested at the same time.

In this manner, according to the above-described embodiment, the plurality of leafy vegetables A are guided toward the transporting unit group 4 while raising the leaf portion A ₁ in a state where the guiding unit group 3 is hung down, since the transport unit group 4 are conveyed toward the leaf vegetables a of plural rows which are cut the roots a ₂ at root cutting unit group 5 to the rear upper side, leafy vegetables a of plural rows are harvested together, the conventional single-thread harvest Work efficiency can be improved as compared with a walking type leafy vegetable harvester.

Since the traveling section 7 travels on the harvested portion of the leafy vegetables A in the field, the front and rear wheels 12, 13 and the grounding body 26 of the traveling section 7 do not step on the leafy vegetables A. Since the leaf vegetables A can be prevented from being damaged and can be adapted to the entire cultivation of the field, there is no need to manually harvest the leaf vegetables A vegetated in the vicinity of both side edges of the field in the house, thereby further improving work efficiency. it can.

Furthermore, since the swing frame 25 supports the root cutting section group 5, the transport section group 4, and the guide section group 3, the root cutting section group 5, the transport section group 4, and the guide section group 3 Depending on the situation, etc., it does not tilt together with the body frame 11, is maintained at a height within a certain range, and can be operated in an appropriate state.

Since the width of the housing 6 is substantially the same as the width of the guide group 3, the width of the housing 6 is smaller than that of the guide 3. A space for mounting a relatively large container 19 in the storage section 6 can be easily secured. Guide unit group 3
The width of the leaf vegetables A
From the transport unit group 4 as it is.

Further, since the body 1 is formed in a slender shape in the traveling direction with a substantially constant width dimension over the entire length, the weight balance of the whole body 1 can be improved.

The opposite conveyors 41a and 41b on the loading side of the transport unit group 4 support the leafy vegetables A in a standing position with the lower part of the transporting path gap 40 loosely inserted and standing. it carries Te, not burdened than its own weight in the leaf vegetables a, without excessive force acts on the leaf vegetables a during this conveyance, leaf a ₁ of leaf vegetables a can be prevented from being damaged.

Further, the opposing conveyor 41 of the conveying section group 4
Since the abutting projections 46 of the endless bodies 45 of the a and 41b abut on the four lower portions of the leafy vegetables A, the leafy vegetables A can be smoothly transported without slipping down, and the leafy vegetables A can be transported smoothly during the transport. A can be prevented from dropping by its own weight.

Each contact projection 46 of the endless body 45 of one of the opposed conveyors 41a of the conveyance section group 4 engages with each contact projection 46 of the endless body 45 of the other opposed conveyor 41b. So
By running one endless body 45, both endless bodies 45 can be run, and for example, the power transmission means 51 for the opposed conveyance conveyor can be made compact. Furthermore, since the endless bodies 45 of the opposed conveyors 41a and 41b are arranged close to each other, it is possible to cope with narrow spaces.

Further, the multiple-row sorting / transporting conveyor 42 on the unloading side of the transport section group 4 transports the plurality of leafy vegetables A lying sideways in the same direction while being aligned on the upper surface. The plurality of leaves and vegetables A from the sorting and conveying conveyor 42 are arranged and accommodated in the storage section 6, so that the operation of organizing the leaves and vegetables A, for example, the operation of rearranging and storing again can be unnecessary.

Further, a plurality of pairs of opposed conveying conveyors 41a and 41b are provided in the conveying section group 4 so as to be inclined in the horizontal direction with respect to the multi-row aligning and conveying conveyor 42, and the side opposite to the side where the leafy vegetables A fall down. The transport end of one of the opposed transport conveyors 41a is protruded rearward from the transport end of the other opposed transport conveyor 41b, and is located above the transport start end of the multi-row alignment transport conveyor 42. On the way, the posture of the plurality of leafy vegetables A can be appropriately changed from the standing posture to the posture in which the plurality of leaf vegetables A are tilted to the right side of the body 1 in the same direction.

Further, the multi-row conveying conveyor 42 runs the endless strip 56 wound around the pair of rotating shafts 55 without damaging a plurality of leafy vegetables A lying down in the same direction. Can be transported reliably.

Further, the root cutting blades 61a, 61 of the root cutting section group 5
b, 61c, 61d is, therefore cuts the root A ₂ of leaf vegetables A of plural rows in a guide in the guide unit group 3, prior leafy vegetables A plurality Article away from the guide unit group 3, its root A ₂ The leaf A ₁ is cut off at the guide end side of the guide group 3.
Without the force to be forced to wake the acts, leaf A ₁ of the leaf vegetables A can be prevented from being damaged.

Further, the root cutting blades 61a, 61a,
Swing frame 25 with 61b, 61c and 61d fitted with grounding body 26
Because it is supported by, it is prevented intrudes deeply into the soil, so to move the depth position of the appropriate constant, can be reliably cut the root A ₂ of leaf vegetables A at a predetermined position.

Further, depending on the condition of the ground on the field, etc.
The root cutting blades 61a, 61b, 61c, 61d maintain a constant horizontal state even if the rocker swings, so that the root cutting blades 61a, 61b, 61c
, It is possible to prevent the both end sides of the left and right 61d will move vertically, can be reliably cut the root A ₂ of leaf vegetables A at a predetermined position.

Further, the vibration of the root cutting blades 61a, 61b, 61c, 61d inclined downward in the traveling direction of the body 1 suppresses a change in the posture of the leaf vegetable A at the time of cutting. the a ₂ can be reliably cut at a predetermined position.

The rotary guides 31a, 31b of the guide section group 3
Leaf A ₁ but dripping from above Tsubomari like tip portion of the leaf vegetables A
Into contact with the lower surface of the leaf part A ₁ on the outer peripheral surface,
Direction portion in contact with the leaf vegetables A is directed downward from above, i.e. while rotating in a direction to reduce the friction generated leaves A _1, since cause leaf A ₁ in a state of hanging entangled, leaves of leaf vegetables A without excessive force is applied to the a _1, caught the leaf a ₁ also is prevented, the leaf part a ₁ of the leaf vegetables a can be prevented from being damaged, moreover, the leaf part a ₁ entangled appropriate state Can be loosened.

Further, the rotary guides 31a, 31 of the guide section group 3
b is inclined in the horizontal direction approaching the leafy vegetables A with the base end side approaching, that is, the base ends of the rotating guides 31a and 31b approach each other.
31a, can be divided grass properly raised leaf portion A ₁ of leaf vegetables A in the proximal portion of 31b.

The rotary guides 31a, 31b of the guide section group 3
But since the rotation by receiving a resistance of leaf A _1, can be reliably prevented that leaves A ₁ of leaf vegetables A being damaged.

[0080] Further, rotary guide body 31a, by the vibration in the lateral direction of 31b, leaves each other can be effectively separated, it min grasses causing the leaf A ₁ of leaf vegetables A much more appropriate state.

In the above embodiment, the configuration of the walking type leafy vegetable harvester has been described.
By providing a cockpit or the like for the operator on the body 1, a configuration of a riding type leafy vegetable harvesting machine can be adopted.

Further, in any of the embodiments, the traveling body 18 of the traveling section 7 may be constituted by a crawler.

Further, in any of the embodiments,
The guide unit group 3, the transport unit group 4, and the root cutting unit group 5 have been described with respect to a configuration targeting, for example, four leaf vegetables A, but are not limited to four, and are not limited to four, two, three, five, Article 6, 7
It is also possible to adopt a configuration for leaf vegetables A such as a strip.

In any of the embodiments, the transport sections 4a, 4b, 4c and 4d are provided with a plurality of pairs of opposed transport conveyors 41a and 41b on the loading side and one double-row alignment transport conveyor on the unloading side. Although the configuration provided with 42 has been described, for example, a plurality of pairs of opposed conveyance conveyors 41a and 41
It is also possible to adopt a configuration provided with b.

On the other hand, as shown in FIG. 14, the guide group 3 is interposed between the swing frame 25 of the traveling section 7 and the transport section group 4 so as to be able to cope with various kinds of leafy vegetables A having different sizes. It is also possible to adopt a configuration in which the position is adjustable.

That is, a plurality of pairs of rotary guides 31a and 31b of the guide unit group 3 are connected to the opposite transfer conveyor frame of the transfer unit group 4.
44, a long hole 72 is provided at the center in the long side direction of the multi-row aligning / conveying conveyor 42 of the conveying unit group 4, and a fastening tool 73 composed of bolts, nuts, etc. is attached to the long hole 72. By changing the position or the like, the entire conveyance unit group 4 is rotated by a predetermined angle around the portion near the long hole 72, and the rotation guides 31a and 31b are rotated.
The height of the ground may be adjusted.

Similarly, as shown in FIG. 15, a plurality of pairs of opposed conveying conveyors 41a and 41b of the guide unit group 3 and the conveying unit group 4 are provided so as to be able to cope with various kinds of leafy vegetables A having different sizes.
May be arranged in a plurality at the top and bottom.

With this configuration, the relatively small leafy vegetables A are formed by the rotary guides 31a and 31b of the lower guide portion group 3.
Even a leaf A ₁ of the dripping state is reliably awakened by minute grass, facing conveyor 41a of pairs of divided grass been leaf vegetables A is below the transporting unit group 4, at 41b With the weeding state maintained properly in a standing posture, the sheet is transported to the multiple-row alignment and transport conveyor 42. On the other hand, the upper guide group 3
At the rotary guide bodies 31a, 31b, relatively large leaf vegetables leaf A ₁ in a state where drooping of A is divided grasses are raised, this amount grass been leaf vegetables A upper and lower pairs of opposed conveyor 41a,
41b Aligned and conveyed conveyor for multiple articles stably in a standing position
It is transported toward 42.

[0089] Also, the width W ₁ of the running portion 7, the width W ₂ of the root portion cutting section group 5, the width of the guide portion group 3, the conveyance unit group 4
It is also possible to adopt a configuration with the same width as the width of
Any configuration may be used as long as the width is equal to or less than the width of each of the root cutting unit group 5, the guide unit group 3, and the transport unit group 4.

Further, each of the rotary guides 31a and 31b is not limited to the configuration in which the body 1 vibrates in the horizontal left and right direction. It may be configured to vibrate in a horizontal tilt direction that is tilted in any direction, and any configuration that can vibrate in the horizontal direction of the body 1 may be used.

The root cutting blades 61a, 61b, 61c, 61d
Is not limited to the configuration in which the body 1 vibrates in the horizontal left and right directions. For example, the configuration in which the body 1 vibrates in the horizontal front and rear direction, or vibrates in a horizontal tilt direction inclined in any direction from the front, rear, left and right directions. Any configuration may be used as long as it can vibrate in the horizontal direction of the body 1.

[0092]

According to the first aspect of the present invention, the plurality of leafy vegetables are guided toward the transporting unit group while raising the leaf portion in a state where the guiding unit group is hung, and the transporting unit group is cut by the cutting unit. Since the plurality of leafy vegetables whose roots have been cut in the group are conveyed toward the upper rear side, the plurality of leafy vegetables are harvested collectively, so that the working efficiency can be improved as compared with the conventional single-leaf harvesting.

[0093] According to the second aspect of the present invention, since the traveling section travels on the harvested portion of the leafy vegetables, the traveling section does not step on the leafy vegetables, thereby preventing the traveling section from damaging the leafy vegetables. Moreover, since it is possible to cope with the entire cultivation of the field, it is not necessary to manually harvest the leafy vegetables vegetated near both side edges of the field.

According to the third aspect of the present invention, since the swing frame supports the root cutting section group, the transport section group, and the guide section group, the root cutting section group, the transport section group, and the guide section group together with the body frame. It does not tilt, is maintained at a certain level of height, and can work in an appropriate state.

According to the fourth aspect of the invention, by adjusting the height of the guide section group above the ground, it is possible to cope with leaf vegetables of different sizes.

According to the fifth aspect of the present invention, since the width of the storage section is set to a size corresponding to the width of the guide section group, a plurality of leafy vegetables can be directly carried out from the transport section group.

According to the sixth aspect of the present invention, since the body is formed in a slender shape in the traveling direction with a substantially constant width over the entire length, the weight balance of the entire body can be improved.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of a leaf vegetable harvester of the present invention.

FIG. 2 is a side view showing the same leafy vegetable harvester.

FIG. 3 is a plan view in which a part of the leafy vegetable harvester is omitted.

FIG. 4 is a front view showing the vehicle body frame in a horizontal state of a traveling unit of the leafy vegetable harvester.

FIG. 5 is a front view showing a state in which the vehicle body frame of the traveling unit is inclined.

FIG. 6 is a side view showing a fixed rotary guide body of a guide portion of the leafy vegetable harvester.

FIG. 7 is a side view showing a vibrating rotary guide of a guide section of the leafy vegetable harvester.

FIG. 8 is a plan view showing a rotary guide of the guide unit.

FIG. 9 is a vertical sectional view of a rotary guide of the guide unit.

FIG. 10 is a plan view showing an opposing transport conveyor of a transport section of the leafy vegetable harvester.

FIG. 11 is a partially enlarged plan view showing an opposing conveyance conveyor of the same conveyance unit.

FIG. 12 is a plan view showing a root cutting part of the leafy vegetable harvester.

FIG. 13 is a side view in which a part of the root cutting section is omitted.

FIG. 14 is a side view showing another embodiment of the leafy vegetable harvester.

FIG. 15 is a side view showing still another embodiment of the leafy vegetable harvester.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS ₁ Body 3 Guide part group 4 Transport part group 5 Root cutting part group 6 Housing part 7 Travel part 11 Body frame 18 Traveling body 25 Swing frame 26 Grounding body A Leafy vegetables A ₁ leaf part A ₂ root part

Continued on the front page (72) Inventor Takayuki Toya 5155, Shiokawa, Oji, Maruko-cho, Nagano Prefecture F-term (reference) 2B075 GA01 GA05

Claims (6)

[Claims] 1. A root cutting section group provided at a front lower portion of a body and cutting roots of a plurality of leafy vegetables vegetated in a field, and a plurality of leafy vegetables whose roots are cut by the root cutting section group. A group of transport units for transporting rearward and upward, and a guide unit group provided at the front end of the body and guiding a plurality of leaves and vegetables to the transport unit group while raising the leaf portion of the leaf vegetables in a hanging state. A leaf vegetable harvesting machine comprising: 2. An airframe is provided with a traveling section that supports a root cutting section group, a transport section group, and a guide section group, and the width of the traveling section is adjusted to the root cutting section group, the transport section group, and the guide section. The leaf vegetable harvesting machine according to claim 1, wherein the width of each group is equal to or smaller than the width of each group. 3. The running section has a vehicle body frame provided on both left and right sides with a running body running in contact with the ground, and a grounding body at a front end portion, the grounding body is maintained at a fixed height above ground, and 3. A swing frame which is swingably supported by the body frame, wherein the swing frame supports a root cutting section group, a transport section group, and a guide section group. Leaf vegetable harvester. 4. The leafy vegetable harvesting machine according to claim 3, wherein the guide section group is supported on the swing frame of the traveling section such that the height of the ground section can be adjusted. 5. A housing for accommodating a plurality of leafy vegetables transported from the conveying section group is provided at a rear end of the body, and the width of the housing section is set to a dimension corresponding to the width dimension of the guide section group. The leafy vegetable harvester according to any one of claims 1 to 4, characterized in that: 6. The leafy vegetable harvesting machine according to claim 1, wherein the machine body is formed in an elongated shape in a traveling direction with a substantially constant width dimension over the entire length.