JP5785654B1 - Feeler wheel tapper for cutting the beat head of beet harvester - Google Patents

Abstract

Provided is a feeler wheel tapper in which a cutting blade does not cut a beat head top part deeply. A vertical swing support frame using a four-point link is connected to a traction base frame. A drum-like rotary drive wheel body having an uneven claw that contacts the beat collar surface on the outer peripheral surface is pivotally supported on the vertical swing support frame. A beat wheel topper is configured by connecting a beat top cutting cutter extending horizontally toward the lower rear side of the filler wheel main body to an arm integrally formed downward of the support frame. In the present invention, the structure of this cutter is substantially V-shaped or substantially transverse to the lower side of the wheel body through a cutting edge facing left and right facing the rear or front center part of the rotary drive wheel body. It is characterized by being formed into an inverted cutter. Preferably, the cutter is disposed so that the center portion of the left and right cutting blades intersects the approximate center transverse line of the feeler wheel body. [Selection] Figure 2b

Description

  The present invention relates to a feeler wheel tapper that is attached to a beet harvesting machine towed by a tractor or the like and that cuts the beet stalks and the top of the beat row with a cutter while traveling in the field. The present invention relates to a filler wheel tapper having a structure.

As a pre-processing work for beet digging and harvesting, a work is performed in which the beet head of the beet row of straw is cut horizontally at a predetermined site together with the foliage.
For this work, a feeler wheel main body having a predetermined width of the wheel and a horizontal cutter that rotates at a speed slightly faster than the traction speed of the work implement (for example, about 1.2 times) by a driving force is used. The outer peripheral uneven claws of the main body are slightly cut into the beat head and pressed, and the beat is kicked backwards due to the difference in speed, and the cutter is cut with a cutter.

  The above-described filler wheel tapper generally forms a drum-like feeler wheel main body in which a plurality of feeler wheel units are connected in parallel in a tandem along the width of the shaft and coaxially. Are supported by a support frame connected to a base frame for connection to a tractor via a four-point link mechanism so that the support frame can swing up and down, and an arm extending below the support frame extends in a transverse direction below the filter wheel body. An extending cutter is integrally provided.

  This type of conventional feeler wheel tapper cuts along with the foliage at a predetermined part of the beat top with a horizontal cutter while pressing the beat of the heel backward with the uneven claw of the feeler wheel as described above. However, in order to reduce the cutting resistance, the blades of a long straight horizontal cutter that extends over the entire drum width of the wheel of the wheel body are inclined to the lower rear of the wheel body so that the cutter blades have a series of inclination angles. The length of the beat is used to diagonally cut the top of the beat.

  However, if a long straight horizontal cutter is inclined over the entire width under the drum-like wheel body as in the conventional case, the horizontal cutter rear end side cutting edge and the drum-like filler wheel unit's outer peripheral uneven claw The gap gradually opens. Therefore, in this state, if the feeler nail of the wheel is bitten into the beat, the cutting position on the rear end side of the cutter is greatly displaced downward, and the beat top may be cut deeper than necessary. There was a problem that the yield of.

JP 2007-117044

  Accordingly, an object of the present invention is to provide a feeler wheel tapper having a structure in which the deep cutting of the beat head portion by the cutter is efficiently suppressed.

  In order to achieve the above object, the present invention provides a support frame pivotally attached to a base frame body coupled to a traction connecting portion such as a tractor by a four-point link and a spring, and a beat rod on an outer peripheral surface. A drum-like rotary drive wheel body that is coupled to a plurality of filler wheel units formed with uneven claws that contact the surface in parallel in the vertical direction and pivotally supported on the support frame; and In a feeler wheel tapper having a cutter that is supported by an arm that is integrally formed downward and extends horizontally in the transverse direction of the feeler wheel main body and cuts the beat head of the field beat row. A structure in which the cutter is opposed to the left and right cutting blades facing the rear or front center of the drum-like wheel body in a substantially V shape or a substantially inverted V shape with respect to the running direction. Formed in, thereby characterized in that the distance from the bottom transverse lines of the drum-shaped full Ira wheel body to the cutter cutting edge has to be shortened.

  Preferably, the cutter is disposed so that the vicinity of the center of the left and right cutting blades intersects the approximate center transverse line of the feeler wheel main body, so that the distal end side and the proximal end side of the left and right cutting blades are the drum-shaped frame. Keep the same clearance with the Ella wheel body.

  The shape of the substantially V-shaped or inverted V-shaped structure of the cutter is as follows: (1) The left and right cutter bases are fixed to the left and right arms of the support frame, and the tip is close or intersecting. Structure, (2) a structure consisting of a series of substantially V-shaped cutting blades in which one or both bases of the left and right cutting blades are fixed to the arm of the support frame, (3) left and right cutting blades 5a and 5b are formed on the outer edge, A structure in which the top part is arranged in a substantially inverted V shape toward the traveling direction of the filler wheel tapper body 3, and the left and right horizontal blades that are inclined toward the rear or front central part in the traveling (traveling) direction are opposed to each other. Thus, all the forms in which the left and right opposing blades substantially exhibit a substantially V shape or a substantially inverted V shape are meant.

  By forming a horizontal cutter inclined toward the rear center of the drum-type filler wheel body into a two-sided cutting blade with a substantially V-shape or a substantially inverted V-shape facing the left and right cutting blades, a sufficient cutting width can be achieved. The rear length of the cutting blade tip is shortened while ensuring. Therefore, even if the cutting blade has the same inclination as the conventional one, the gap between the tip of the cutting blade and the outer peripheral surface of the filler wheel is narrowed, and the deep cutting of the beat is improved.

  In the form in which the central part of the left and right cutting blades of the cutter is arranged so as to intersect with the approximate center transverse line of the filler wheel main body, the distal end side and the proximal end side of the left and right cutting blades are between the drum-type filler wheels. An equivalent gap is generated in the beat head, and the beat top is cut horizontally at a predetermined site in a well-balanced manner.

Side view of feeler wheel tapper according to the present invention The bottom view of the feeler wheel tapper by 1st Example of this invention FIG. 2A is a lower perspective view of the embodiment. The bottom view of the feeler wheel tapper by 2nd Example of this invention FIG. 3A is a bottom perspective view of the embodiment. The bottom view of the feeler wheel tapper by 3rd Example of this invention FIG. 4A is a bottom perspective view of the embodiment. Bottom view of a filler wheel tapper according to a fourth embodiment of the present invention. FIG. 5a is a bottom perspective view of the embodiment. Illustration of the action of the conventional wheel wheel tapper Action explanatory drawing of feeler wheel tapper by this invention Perspective view of beet harvesting machine equipped with filler wheel tapper

Embodiments of the present invention will be described below with reference to the accompanying drawings.
As illustrated in FIG. 8, the beet harvesting work machine 1 sets a predetermined part of the beat top part under the platform 2 facing the farm scene while pulling and running with a tractor or the like as a pre-work for digging the beet of the firewood. It is equipped with a feeler wheel tapper 3 that cuts almost horizontally with the foliage.

  These wheeler wheel tappers 3 include a wheeler body 4 that travels while rotating on the surface, and a cutter 5 that cuts the beat below the wheeler body 4.

  As shown in FIGS. 2a and 2b, the filler wheel main body 4 has a predetermined width by arranging a plurality of filler wheel units 4 ′ having a concavo-convex claw 6 continuously formed on the outer periphery in parallel in the running direction. The center shaft 9 is pivotally attached to the left and right main links 8a and 8b of the four-point link type support frame 8 that is pivotally attached to the base frame 7 for connection to a tractor or the like. The rotary drive means 10 is supported so as to be able to swing elastically and to rotate at a speed (about 1.2 times) slightly faster than the traction traveling speed.

  As shown in FIG. 1, the cutter 5 is a rigid plate having one side of a predetermined width formed on the beat cutting blades 5 a and 5 b, and is an auxiliary that swings up and down in conjunction with the main link 8 a of the support frame 8. The base of the link 11 is fixed to the curved arm 14 at the lower end of the connecting member 13 that couples the link 11 and the support member 12 pivotally supported by the filler wheel tapper central shaft 9 with bolts or the like.

  The cutter 5 of the present invention has left and right cutting blades 5a and 5b inclined below the front end of the cutter 5 toward the rear or front central portion in the traveling direction, below the drum-like feeler wheel body 4. The cutting blades 5a, 5b are arranged so as to cross the drum-like feeler wheel body 4 horizontally with the cutting blades 5a, 5b facing the substantially V-shape or the substantially inverted V-shape in the traveling direction.

  In the embodiment shown in FIGS. 2a and 2b, the base portions of the separate left and right horizontal cutters 5 are fixed to the left and right curved arms 14 and 14 of the support frame 8, and the drum-like feeler wheel main body 4 moves rearward from both sides of the base portion. The cutting edges 5a and 5b of the respective cutters 5 and 5 that are inclined to the center are made to approach or intersect with each other, whereby the opposing cutting edges 5a and 5b have a substantially V-shape with respect to the traveling direction. It is a thing.

  The embodiment of FIGS. 3a and 3b shows a modification of the embodiment of FIGS. 2a and 2b. As described above, a series of cutters 5 in which the cutting edges of the cutting blades 5a and 5b opposed to each other in a substantially V shape are continuous. The both end bases are fixed to the left and right curved arms 14, 14 of the support arm 8.

The embodiment shown in FIGS. 4a and 4b shows a further modification of the embodiment shown in FIGS. 3a and 3b. It is a structure.
Since the cutter 5 fixes a material having a certain strength horizontally, there is no substantial inconvenience in the support force even in the cantilever support structure.

In the embodiment of FIGS. 5a and 5b, the outer (crest side) inclined side of the V-shaped cutter member is formed on the left and right cutting blades 5a and 5b, and the folded top portion of the continuous cutting blades 5a and 5b is the drum-like filler wheel body. 4 is horizontally traversed toward the central portion in the traveling direction, and the bases at both ends thereof are fixed to the left and right arms 14 and 14 and arranged as a substantially inverted V-shaped cutter 5 with respect to the traveling direction.
In this structure, the cut beet head and foliage are pushed to the outside of the ridge by the inclined surfaces of the cutting blades 5a and 5b, so that the running resistance is reduced and the cut foliage and the like on the heel are rationally eliminated.

FIGS. 6 and 7 illustrate the operation of the conventional cutter structure and the cutter structure according to the present invention. The conventional cutter structure shown in FIG. 6 has a cutter 5 from the transverse center line C of the drum-like filler wheel body 4. Since the distance L ₁ to the tip of the effective cutting blade 5a and the distance L ₂ to the back end of the effective cutting blade are increased, the outer periphery of the effective blade 5a and the outer periphery of the drum-like filter wheel body 4 are largely separated, and the beat is deeply cut. Cause.
On the other hand, the cutter structure of the present invention shown in FIG. 7 has a distance L ₁ from the transverse center line C of the drum-like filler wheel body 4 to the tips of the effective cutting blades 5a and 5b of the cutter 5, and an effective cutting blade 5a. , the effective blade 5a the distance L ₂ to 5b rear end are both made much shorter, the gap is narrowed beat deep cut between the outer periphery of 5b tip and drum-off Ira wheel body 4 is suppressed.

  In the figure, the arrow F indicates the traveling direction of the feeler wheel tapper 3.

  In the beet harvesting operation, deep drilling of the beet head is efficiently suppressed, contributing to beet productivity.

DESCRIPTION OF SYMBOLS 1 ... Beat harvesting machine 2 ... Base 3 ... Feeler wheel tapper 4 ... Feeler wheel main body 4 '... Feeler wheel unit 5 ... Cutter 5a, 5b ... Cutting blade 6 ... Concavity and convexity 7 ... Base frame 8 ... Support frame 8a, 8b ... main link 9 ... central shaft 10 ... rotation drive means 11 ... auxiliary link 12 ... support member 13 ... connecting member 14 ... curved arm C ... transverse line F of wheel wheel tapper center ... traveling direction of wheel wheel tapper Arrow

Claims (1)

A support frame (8) pivotally mounted on a base frame (7) coupled to a traction connecting portion such as a tractor by a four-point link and a spring, and an uneven nail that contacts the beat saddle surface on the outer peripheral surface A plurality of feeler wheel units (4 ') forming (6) are connected in parallel in the vertical direction, and are rotatably supported in a drum-like manner so that they can swing vertically and rotatably on the support frame (8). Drive wheel body (4) and an arm (14) integrally formed downward of the support frame (8), and extend horizontally in the transverse direction below the wheel body (4). And a cutter wheel (5) that cuts the beat top of the field beat row, and the left and right cutting blades that the cutter (5) is inclined to the rear or front center in the traveling direction. (5a), made to the structure to face the substantially V-shaped or substantially inverted V-shape with respect to the running direction (5b), Arms of the La cutter (5) the supporting frame to the base of each (8) (14), the cutting edge of the right and left by body fixed to (14) (5a), characterized in that it consists of (5b) Beater wheel tapper for beat cutting

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