JPH0824472B2 - Subdivision structure of strawberries harvester - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a weeding structure of a strawberries harvester that raises and harvests strawberries that have been planted while weeding them. The weeding structure of a straw harvester in which a rotator is placed in a backward tilting posture from the vicinity of the front ground of the installed stem and culm raising device to the rearward and upward direction.

[Conventional technology]

Examples of the vegetative structure of strawberries harvesters include Japanese Patent Laid-Open No.
As disclosed in Japanese Unexamined Patent Publication No. 67122, there is a type in which a small-diameter rod material curved in an arc shape in the longitudinal direction is swung and rotated to vibrate the left and right strawberries to divide the entwined strawberries.

[Problems to be Solved by the Invention]

Strawberry has a large amount of water and is long and thin (about 1.5 m for long ones), and has the characteristic that it is soft, and the characteristic is that the strawberries that have such properties are intertwined in the front-back, left-right, and left-right directions.

In contrast to the above characteristics, the above-mentioned conventional weeding principle based on the weeding structure rotates the weeding body and vibrates the left and right strawberries on its contact surface, but the way of giving the vibration is slow. It was a rotating succulent body, and it applied the force to push the strawberries laterally by using the amplitude of the succulent rotator. With this pushing force, the entwined strawberries are separated into left and right parts.In the action part of the weeding body, the left and right strawberries that are intertwined are pushed up and the crossed parts that are entwined are pushed up, and Occurs, which makes it difficult or impossible to separate them, and the frequent breakage, damage, and tearing of strawberries lowers the commercial value of strawberries, or the straws become entangled with each other and the threads become entangled. There is a problem that the grass body is damaged and the cutting work becomes impossible in the same condition as tangled, and it is necessary to improve it because it is difficult to sufficiently cope with the characteristics of straw grass mentioned above.

In order to smoothly separate the entwined strawberries corresponding to the characteristics of strawberries mentioned above, while unraveling the entwined strawberries,
As a result of a test study, it was found that the straw grass on the cut side must be able to pass through the straw grass in the planting state downward in the direction of the culm.

By embodying this principle, it is an object of the present invention to provide a new weeding device that solves the above-mentioned problems and can sufficiently cope with the characteristics of strawberries.

[Means for solving the problem]

In order to achieve the above-mentioned object, the characteristic configuration of the present invention is to dispose a sward-rotating body in a rearward tilted posture from the vicinity of the front ground of the stem culm raising device obliquely installed in the rearward tilted posture to the rearward and rearward inclined posture. However, at the lateral side position of the fuselage on the uncut side of the turf rotating body, a hay comb harvester is provided, in which a guide edge extending from the tip toward the rear side projects laterally outward. In the weeding structure, the weeding rotator is rotatably arranged around a rotation axis center in a tilted backward tilted posture that is looser than the stem culm raising device, Out of the outer edges located in both directions in which the distances are different from each other in two directions orthogonal to each other and are substantially equidistant from the rotation axis core, the outer edge of the portion far from the rotation axis core is Rigid body part formed on a smooth curved surface along the rotation locus circle of the grass rotation body And the rotary rotator is linearly formed in the direction of the rotation axis so that the rotation locus circle has a substantially constant diameter from the front end to the rear end. The point is that it is configured to rotate around the core at a high speed of 1000 to 1300 rpm.

[Action]

The effect of taking the above technical means is as follows.

From the rotating shaft core, among the outer edges of the rotator, which are different in two directions in which the distance from the rotating shaft core is orthogonal to each other, and which are located in opposite directions with a substantially equal distance from the rotating shaft core. The outer edge of the part with a long distance is composed of a rigid member formed into a smooth curved surface along the rotation locus circle of this rotator, and this rotator is rotated at high speed around the axis of rotation. By being configured to be rotationally driven, the above-mentioned two vegetative action curved surfaces can intermittently contact the strawberries at high speed and give small vibrations to the strawberries.

This small vibration is a minute vibration in a range that is particularly effective for untangling the strawberry, which is caused by rotational driving at a high speed of about 1000 to 1300 revolutions per minute. The micro-vibration effectively unravels the entanglement of the plant, and the vegetative action curved surface pushes up the strawberry from the plant base to the tip of the stem when the entanglement is unraveled. By slipping through in the direction of the culm, it is possible to smoothly and satisfactorily loosen the front, rear, left and right entanglement of the straw grass.

Moreover, since the outward surface of the weeding action curved surface that gives vibration by hitting the straw grass is formed into a smooth curved surface along the rotation locus circle of this weeding rotor,
Even if the rotator of hay is rotated at a high speed to cause the above-mentioned slight vibration, there is little risk of damaging the strawberries, and the rotary drive can be performed at a high speed as described above.

And, the vibrating action caused by the difference in the distance from the rotary shaft core is such that the rigid member constituting the sward rotor has a rotation locus having a substantially constant diameter from the front end to the rear end. By being formed in a straight line in the core direction, it is carried out over almost the entire length of the range of placement of the weed rotator, and the function of slipping and separating the strawberries while loosening with this small vibration is effectively exhibited, The range can be set over a wide range over almost the entire range of the rotator installation.

〔The invention's effect〕

The effects of adopting the above configuration are as follows.

A structure that allows the straw grass to slip through in the direction of the culm while applying a slight vibration to the straw grass to loosen the entanglement of the straw grass, resulting in better weeding performance corresponding to the characteristics of the straw grass mentioned above, and breaking and damage of the straw grass. It has the effect of being able to harvest high quality strawberries with little tearing.

In addition, the hayfever harvester that can work efficiently even under adverse conditions that target intensely entwined strawberries by causing the vegetation function by giving the above-mentioned effective micro-vibration to act on a wide range of the hayfever. realizable.

〔Example〕

A riding type rush harvester will be described. As shown in FIG. 3 and FIG. 4, a pair of left and right weeding devices (1), (1) for untwisting the front, back, left and right of the straw grass, and a pair of left and right shed after the weeding is carried out. Stem culm raising device (2),
(2), a clipper-type mowing device (3) for cutting the root of the raised straw grass is arranged on one lateral side of the front end of the traveling machine body (4), and the cut strawberries are hung and held. A front and rear sandwiching and conveying device (5) for conveying backward and obliquely upward of the fuselage, and a conveying device (8) for forcibly conveying the root side of the sandwiched strawberries toward the side of the fuselage, A wind force that selects scrap straws by blowing up the root side portion of the strawberries forcedly conveyed by the conveyor device (8) upward by the air discharged from the blower device (6A) outlet (6a). A type selection device (6) is provided, and the portion of the strawberries on the plant base side blown up by the wind is tied to the binding floor (10).
A locking claw lifting / conveying device (12) for guiding the upper part is provided, and an auxiliary selecting device (13) for selecting the strawberries placed on the binding floor (10) and a binding device (7) for binding are arranged. This is mounted on the mowing frame (33) and this mowing frame (33)
Is pivotally supported on the traveling machine body (4) about a horizontal axis (X) so as to be vertically swingable, and a hydraulic cylinder (14) and a pantograph type lifting ring mechanism (19) are provided behind the binding device (7). And a stacking platform (15) that vertically swings (dumps) together with the pantograph-type lifting ring mechanism (19) at the rear fulcrum (Y), and the integrated strawberries at the rear end of the loading platform (15). The receiving rod (37) as a side wall for receiving the stalk is installed so as to be tilted rearward, and the engine (16) and the operating section (9) are provided on the lateral one side opposite to the stem culm raising device (2). ,
These are mounted on a traveling machine body (4) equipped with left and right crawler traveling devices (11) and (11) to form a riding type two-row mowed straw harvester.

 Next, the weeding device (1) will be described.

From the rear part of the fixed weeding tool (20) provided on the lower part of the front end of the cutting frame (33) and in front of the stem and shoot raising device (2), the stem and shoot raising device (2) is provided. The weeding device (1) is configured by arranging a weeding rotor (21) which is driven and rotated around a rotary shaft core (Z) in an oblique posture toward the upper part.

As shown in FIG. 2 and FIG. 5, the weeding rotor (21) has a distance (L ′ 1, from the rotation axis (Z)).
L'2) is different in two directions orthogonal to each other, and of the outer edges located in opposite directions at substantially equal distances from the rotation axis core (Z), the distance from the rotation axis core (Z) ( The outer edge of the part where L'1 and L'2) are distant is composed of a rigid member formed into a smooth curved surface along the rotation locus circle of the rotator (21).

Then, the rotator (21) is linearly formed in the direction of the axis of rotation so that the rotation locus circle has a substantially constant diameter from the front end to the rear end of the rotator (21). Yes,
Further, replace the rotator (21) with the rotator (2
It is configured to rotate around the rotation axis (Z) at a high speed such that a slight vibration is applied to the strawberries that are divided in 1) to loosen the entanglement of the strawberries.

More specifically, as shown in FIG. 1 and FIG. 2, the weeding rotor (21) has the widths (L1),
(L2) is formed by a synthetic resin straight line having a different elliptical cross-sectional shape, a cylindrical shaft, and is driven to rotate at a high speed (for example, about 1000 to 1300 revolutions per minute) around the axial center (Z) at the center position. It is configured to do. In addition, the support members (23a) and (23b) in which the support shafts (22a) and (22b) are respectively connected to both ends of the weeding rotor (21) are fixed, and the lower support shaft (22a) is fixed. A bearing (25) is supported on a fixed weeding tool (20) mounting bracket (24) connected to the front part of the mowing frame (33), and an upper support shaft (22b) is used to raise a stem culm raising device (2). ) Bracket (2
The bearing (27) is supported in 6). Then, the lower end of the transmission input shaft (29) extending downward through the drive unit (28) above the stem culm raising device (2) and the upper support shaft (23b) are connected to the universal joint ( It is linked together via 30).

A culm-scraping scraper (31) is provided on the outer peripheral portion of the lower part of the weed rotator (21) so as to extend over the substantially entire length of the weed rotator (21). The scraper (31) is provided in a direction along the radial direction of the weed rotator (21), and a reinforcing pipe member (35) is fixed along an edge opposite to the weed rotator (21). And reaping frame (3
The bracket (32) which is erected from 3) and the bracket (34) which is connected to the stem culm raising device (2) are bolted and supported.

The left and right sprouting rotors (21), (21) are positioned such that their upper ends are lower than the upper ends of the stem and culm raising devices (2) and higher than the conveying start end of the sandwiching and conveying device (5). And the stalk-raising device (2) is looser than the stem culm raising device (2), and is rotatably arranged around a rotation axis (Z) along the tilted and inclined posture after that. ),
(21) Of the uncut side, the uncut side overlaps with the stem culm raising device (2) located on the uncut side in the front-rear direction, and the cut side raises each other and the claws face each other. The left and right stem culm raising devices (2) and (2) are arranged so as to be located at the center of the raising passages.

Dividing from the root part of the straw grass entwined in the front, back, left and right,
Vibrations caused by the dimensional difference between the widths (L1) and (L2) in the direction orthogonal to the outer diameter are applied to the strawberries while they are lifted upwards and loosened and weeded.

Also, the scraper (31) effectively scrapes the strawberry grass that has begun to wrap around the outer periphery of the rotator (21), for example, when the turf grass is wet, and prevents the wrapping and raises the rear stem culm. It guides toward the device (2) and acts so as to smoothly raise the weeds.

A weeding rod (38) is provided on a lateral side portion of the traveling vehicle body of the straw harvester on the uncut side of the traveling vehicle body so as to be located on the lateral side portion of the helicopter harvester rotating body (21). This branch rod (38) is provided with a guide edge extending rearward from the tip end portion so as to gradually project toward the lateral outer side, and the guide edge of the branch rod (38) moves along with the progress of the aircraft. It is configured so that the planted strawberries on the uncut side can be pushed outward more laterally.

[Another embodiment]

[1] The rotator (21) may be made of metal instead of synthetic resin.

[2] Further, the rotation supporting shaft of the weeding rotor (21) may be provided in a state of penetrating in the rotation shaft core direction in place of the structure in which it is divided into both ends as described above.

[3] As shown in FIG. 5, the divided rotator (21) is
A pair of pipe members (21a) and (21a) are arranged in parallel to form a straight rod shape having cross-sectional shapes having different widths (L1) and (L2) in the orthogonal direction, and the pipe members (21a) and (21a) are connected to each other. It may be configured to be rotationally driven around a rotation axis (Z) centered on the contact portion.

It should be noted that reference numerals are added to the claims for convenience of comparison with the drawings, but the present invention is not limited to the structures of the accompanying drawings by the entry.

[Brief description of drawings]

The drawing shows an embodiment of the weeding structure of a straw harvester according to the present invention. Fig. 1 is a vertical sectional side view of a main part, and Fig. 2 is a drawing of Fig. 1.
II-II sectional view, FIG. 3 is a general side view of the strawberry harvester, FIG. 4 is a general plan view of the strawberry harvester, and FIG. 5 is a sectional view of a rotator of another embodiment. (2) ...... Stem culm raising device, (3) ...... Mowing device,
(5) ... nip transport device, (21) ... rotating weeding machine, (3
8) …… Bunso, (Z) …… Rotary axis core.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yoshihiko Sato 64 Ishizukita-machi, Sakai City, Osaka Prefecture Kubota Iron Works Co., Ltd.Sakai Works (72) Takashi Arimoto 64, Ishizukita-machi, Sakai City, Osaka Prefecture Kubota Iron Works Ceremony Company Sakai Factory (72) Inventor Takayuki Tomioka 64 Ishizukita-machi, Sakai City, Osaka Prefecture Kubota Iron Works Co., Ltd.Sakai Factory (72) Atsushi Fujimoto 64, Ishizukita-machi, Sakai City, Osaka Prefecture Kubota Iron Works Co., Ltd. (56) References JP-A 64-67123 (JP, A) JP-A 64-67122 (JP, A) JP-A 64-37224 (JP, A) JP-A 63-116618 (JP, A) Kai 63-148921 (JP, A) Actual public Sho 55-12669 (JP, Y2)

Claims (1)

[Claims] 1. A sprouting rotor (21) is arranged in a rearwardly tilted posture from the vicinity of the front ground of the stem-and-culm raising device (2) obliquely inclined in the rearwardly tilted posture, and the rotator (21) is arranged in the backward tilted posture. Rotating grass (2
1) The weeding harvester is equipped with a weeding rod (38) at the lateral side of the fuselage that is closer to the uncut side than the guide edge that extends from the tip toward the rear. In the structure, the rotator (21) is arranged so as to be rotatable around a rotation axis (Z) in a rearward tilted posture which is looser than the stalk-raising device (2). (21) is different in two directions in which the distances (L'1, L'2) from the rotation axis (Z) are orthogonal to each other,
In addition, of the outer edges located in opposite directions at substantially equal distances from the rotary shaft core (Z), the rotary shaft core (Z).
The outer edge of the portion at a distance (L'1, L'2) from is composed of a rigid member formed into a smooth curved surface along the rotation locus circle of the rotator (21), and The weed rotator (21) is linearly formed in the direction of the rotation axis so that the circle of its rotation locus has a substantially constant diameter from the front end to the rear end. ) The vegetative structure of the strawberries harvester that is configured to rotate at a high speed of 1000 to 1300 rpm.