JP3019301B1 - Sweet potato de-bunker - Google Patents

Abstract

An object of the present invention is to separate and disassemble the covering of a multi-film covered with ridges from the ground of a ridge groove so that the entire film can be easily and quickly peeled off from the ridges. A pair of left and right vine scooping arms (24) are attached to a rear end portion of a flare mower body (A) for vine cutting in a forward-downward state at a constant inclination angle (α), while rolling a ridge groove (G). Suspension support column (43) for a pair of left and right tail wheels (34) that move
Each of the mounting arms (57) is also attached as a downwardly inclined state at a constant inclination angle (β), and the lower end of each mounting arm (57) is directly below the foot of the multi-film (22). Then, the soil covering blade (59) for loosening the soil (g) of the film (22) protruded inward.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a sweet potato cutting machine.

[0002]

2. Description of the Related Art Japanese Utility Model Publication No. 6-18417 is known as a sweet potato cutting machine which is considered to be the closest to the present invention, in which both sides of a film (F) covering the surface of a ridge (A) are known. The part (f) and the vines (D) of the sweet potatoes (C) which prosper at the skirt part (B) thereof are pushed up to the upper surface of the ridges (A) by a pair of right and left dividers (16), and are pushed up. The vine (D) is cut by the cutting blade (11) of the vine (9), and the film holding soil (E) is removed to the outside.

[0003]

However, the divider (16) according to the above-mentioned invention is formed from the mounting frame (15) of the cover (12) for covering the vine (9).
The tail wheel (39) is supported by the lower end of a tail wheel arm (35) that hangs down from the support tube (34) of the suspension arm (23). ,
Since the divider (16) and the tail wheel (39) are independent of each other, the tail wheel (39) is moved up and down by rotating the adjusting rod (27), and the reaper (A) If the installation height of 9) is adjusted, the divider (16) also needs to be specially adjusted accordingly, otherwise the vine (D) is pushed up by the divider (16) or the film holding soil is raised. (E) cannot be correctly excluded.

[0004] Even when the width of the ridge (A) changes, it is necessary to adjust the mounting position of the divider (16) and the tail wheel (39) separately. Depending on the adjustment position, the blade (1) of the vine (9)
In order to prevent interference with 1), the work of replacing the cutting blade (11) must be performed, which is extremely complicated.

[0005]

SUMMARY OF THE INVENTION The present invention contemplates an improvement in such a problem. For this purpose, a flare mower main body for crossing over a ridge covered with a multi-film, and a rear end portion thereof. It is hung up and down freely to
A sweet potato cutter that consists of a pair of left and right tail wheels that roll in a furrow, and that rotates a flare blade that is planted from the rotating blade shaft of the flare mower main body with power taken out from the tractor body of the towing. At

[0006] A pair of left and right vine scooping arms for scooping and guiding vines growing on both skirts of the ridge to the flare blade are attached to the rear end of the flare mower main body at a constant inclination angle in a forward-downward state. on the other hand,

A pair of left and right covering soil disassembling blade mounting arms are also attached to the hanging support columns of each tail wheel in a forwardly lowered state at a constant inclination angle, and the multi-film is mounted from the lower end of each covering soil disassembling blade mounting arm. In this method, a cut-in approach is made just below the base of the film, and a soil disintegrating blade for loosening the soil of the film projects inward.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a sweet potato cutting machine according to the present invention; FIG. A mower main body (A) and an installation height adjusting device (B) are provided, and are towed by a tractor body (T).

Reference numeral (11) denotes a horizontal main frame which extends long in the left-right direction of the flare mower main body (A), is made of a round pipe material, and a transmission bevel gear case (12) is fixed to an intermediate portion thereof. is set up. (13) is an input shaft extending forward from the bevel gear case (12), and is a universal joint shaft (1) having a fixed length.
4) via the power take-off shaft (1) of the tractor body (T)
5) is releasably connected to the transmission.

Reference numerals (16) and (17) denote a pair of left and right side plates for supporting both ends of the main frame (11), one of which forms a mounting base for the transmission belt case (18). (19) Both side plates (1
6) A reinforcing beam of a square pipe material fixed and suspended between the rear end portions in (17). (20) is a lower end portion of the other side plate (17) and a lower end of the belt case (18). 2 is a horizontal rotary blade shaft which is supported so as to traverse a space between the shaft and the portion, and is driven by the power from the input shaft (13) via a transmission belt (not shown) as indicated by an arrow (F) in FIG. It is designed to be driven to rotate in the direction shown.

[0011] (21) is an array distribution at a constant pitch along the longitudinal direction of the rotary blade shaft (20), and a large number of pivotally supported from the circumferential surface of the blade shaft (20). It is a flare blade (hammer knife) for engraving.
0), the entire effective cutting width (W) corresponding to the ridge grooves (G) on both sides thereof, and a constant rotation locus (R).

More specifically, a plurality of flare blades (21) for forming the flare mower body (A) are as follows:
4 and 5, each set is set in a right-angled crosswise manner in a radially symmetrical shape as viewed in side view, as a set which is correctly opposed to and parallel to a 180-degree diameter line as shown in FIGS.

Moreover, among the large number of flare blades (21), only a few sets of intermediate flare blades (21a) located closest to the upper surface of the ridge (10) are preferably ridges (1).
Only two sets of intermediate flare blades (21a) sandwiching the vertical center line (OO) of (0) cut the root (a) of the vine (M) sticking to the upper surface of the ridge (10). Therefore, the cutting edge is set in a relatively long straight form substantially parallel to the vertical center line (OO), and even the multi-film (22) covered with the ridge (10) is randomly formed. It is designed not to cut finely.

That is, when the root (a) of the vine (M) is cut by the intermediate flare blade (21a) facing the upper surface of the ridge (10), even if the blade touches the film (22). In order to form a straight form substantially parallel to the vertical center line (OO), each time the set is rotated by 180 degrees, the multi-film (22) is merely provided with a cut line in a dotted line state. As a result, the entire multi-film (22) can be quickly and reliably peeled off from the ridge (10).

On the other hand, the peripheral flare blade (21b) at the remaining position gradually moving away from the upper surface of the ridge (10) is
Midway (b) of a vine (M) scooped from both bases
In order to cut the vine, the cutting edge is entirely set as a V-shaped or R-shaped branched form, whereby the vine (M)
Can be cut as finely as possible.

(23) Both side plates (16) (1)
7) A pair of left and right vine scooping arm holding sheaths attached and fixed to the reinforcing beam (19) from below, each of which is maintained in a forwardly inclined state at a constant inclination angle (α).
(24) is a vine scooping arm inserted and penetrated into each holding sheath (23), the sharp lower end of which is shown in FIGS.
As described above, the ridges (G) are advanced from the upper surface of the ridges (10) to the ridges (G) on the both sides from the upper surface of the ridges (10) at positions retreated laterally outward from the covering soil (g) of the multi-film (22).
The middle part (b) of the growing vine (M) is hooked, and is scooped up and guided toward the flare blade (21) of the flare mower main body (A).

Therefore, when this is viewed from the lateral direction of the vine cutter, the vine picking arm (24) moves from the rear end of the flared blade (21) to the rotation locus (R) of the flared blade (21). ) Overhangs in an overlapped state that is tangent to). However, it goes without saying that the vine scooping arm (24) is arranged between the left and right sides adjacent to the flare blade (21) so as not to interfere with the flare blade (21).

(25) The flare blade (2)
1) A cover plate that covers the entire upper surface, and has an arch shape along the rotation trajectory (R) of the flare blade (21), and has rear end portions on both side plates (16) and (17).
The above-mentioned reinforcing beam (19) is adhered and integrated.
(26) is a rubber dripping covering the entire rear surface of the flare blade (21).

Reference numeral (27) denotes a top link holder which is integrally extended obliquely forward and upward from the transmission bevel gear case (12), and a horizontal top pin (28) at a leading end of the extension is provided with a tractor body ( T) is removably locked to the top link (29).

(30) The flare mower body (A)
A pair of left and right lower link holders integrally protruded forward from the main frame (11), and horizontal lower pins (31) protruding laterally from the protruding front ends of the lower link holders (30) are provided with a tractor. It is locked to the lower link (32) of the body (T) so as to be freely detachable,
A hydraulic cylinder device (33) mounted on the tractor body (T) allows the whole of the cutter to move up and down.

Next, a description will be given of a device (B) for adjusting the installation height of the flare mower body (A) with respect to the ridge (10). This device suspends a pair of right and left tail wheels (34) as shown in FIGS. It is shaped as a parallel link motion mechanism.

That is, both side plates (16) and (17)
A fixing mast (35) of a square pipe material is integrally suspended from an intermediate portion of the reinforcing beam (19). (36) and (37) are a pair of an upper support stay and a lower support stay that stably hold the middle height position of the fixed mast (35), and both are integrated rearward from the bevel gear case (12). Have been dispatched.

Reference numeral (38) denotes a horizontal toolbar which is provided at a position rearward of the reinforcing beam (19), and is also made of a square pipe material, and a pair of left and right first link arms (39).
Are pivotally connected to the reinforcing beams (19) of the side plates (16) and (17) via the through holes. (40) and (41) are a pair of front and rear pivot bolts, and (42) is an intermediate connecting bar of both first link arms (39).

Reference numeral (43) denotes a pair of left and right tail wheel suspension support columns which are slidably fitted in the toolbar (38) in the left-right direction. The tail wheel (34) is supported by the lower end of each of the columns. Rolls in the ridge grooves (G) located on both sides of the ridge (10). At that time, the tail wheel (3
4) retreats laterally from the covering (g) of the multi-film (22) as shown in FIGS. 3 to 5 and rolls along the ridges (G) without stepping on the covering (g). In a moving relationship. (44) is the toolbar (38)
This is an adjustment bolt for fixing the slide position of the tail wheel suspension support column (43) along the line. In addition, a pair of right and left tail wheels (34)
Needless to say, it consists of rubber tire wheels.

A hanger mast (45) made of a square pipe material parallel to the fixed mast (35) is vertically suspended from an intermediate portion of the toolbar (38). In addition, the space between the upper end of the hanger mast (45) and the rearward end of the upper support stay (36) intervenes via a second link arm (46) parallel to the first link arm (39). Are pivotally connected. (47) and (48) are a pair of pivot bolts in front and behind thereof.

(49) is the second link arm (46)
And a nut (50) inserted at the upper end thereof. (51)
Is a handle for raising and lowering the tail wheel (34). The screw shaft (52) at the tip of the handle is screwed and fastened to the nut (50). ,
The two link arms (39) and (46) and the tail wheel (34) suspended thereby move up and down. As a result, the installation height of the flare mower main body (A) with respect to the ridge (10) is adjusted.

Reference numeral (53) denotes a support piece for supporting the base end of the lifting / lowering adjusting handle (51), which is integrally extended from the transmission bevel gear case (12). Reference numeral (54) designates a piece that also serves as a middle part of the lifting / lowering adjustment handle (51), and is inserted and installed on a holding piece (55) that stands vertically from the upper end of the fixed mast (35).

Further, (56) is the tail wheel suspension support column (4).
3) This is a support base for an arm for disassembling a soil covering blade, which is integrally protruded downward and forward from a pair of left and right sides, and as shown in FIGS. It is located closer to the ridge (10) than the supported tail wheel (34). Numeral (57) denotes a covering earth disassembling blade mounting arm which is positioned and fixed to each support base (56) by a plurality of advance / retreat adjusting bolts (58) in a forward-lowering state at a constant inclination angle (β). A disassembling blade (59) for loosening the covering (g) of the multi-film (22) is installed in a substantially horizontal inwardly extending state. The front edge of the substantially horizontal soil decomposition blade (59) is machined as a sharp blade.

That is, as is apparent from FIGS. 4 and 5, the pair of left and right covering soil dissolving blades (59) has a relationship with the multi-film (22) covering the ridges (10), so that the film ( 22), the covering (g) of the film (22) located at the both flank portions is disassembled and cut off from the hard ground of the ridge groove (G) by being cut and entered just below the both flank portions. Then, the entire film (22) is easily peeled off from the ridges (10) to prepare for easy operation.

In this case, since the covering soil disassembling blade (59) is attached to the tail wheel suspension supporting column (43) via the mounting arm (57) as described above, the flare with respect to the upper surface of the ridge (10) is provided. The installation height of the mower body (A) is
Even if adjusted by the lifting / lowering operation of 4), the covering soil disassembling blade (59) is not affected by this, and operates integrally with the tail wheel (34) which is always in contact with the ridge groove (G). (22) The cut depth to the ground below is
The film (22) can be disassembled reliably and stably with the soil (g) kept constant with reference to the contact surface of the tail wheel (34).

Further, the bolts (58) for positioning and fixing the arm (57) for fixing the soil covering blade to the support base (56) are extracted, and the mounting arms (5) are removed.
7) is moved back and forth in the front-rear direction, and the cutting depth of the covering soil disassembling blade (59) can also be adjusted by inserting and fixing the forward / backward adjusting bolt (58) again.

When the width of the ridge (10) changes, the suspension support column (43) of the tail wheel (34) that rolls in the ridge groove (G) also adjusts the above-mentioned adjustment bolt. The positioning is changed by (44).
Since the mounting arm (57) is attached, there is no need to perform special adjustment work on the covering arm disassembling blade mounting arm (57). Following the adjustment of the tail wheel suspension support column (43), the soil dissolving blade (59) is positioned by itself so that the blade can be properly cut into the ground under the multi-film (22), and this is extremely convenient. It is.

Further, the arm for mounting the soil disassembling blade (57).
Is set in a forward-downward state at a constant inclination angle (β), so that the vine (M) cut by the flare blade (21) does not get caught on the mounting arm (57) and stays there. Will be thrown.

As long as the cover arm disassembling blade mounting arm (57) is attached to the tail wheel suspension support column (43) as a downwardly inclined state at a constant inclination angle (β), the tail wheel suspension support column (43) is provided. ) To the support base (5
Instead of overhanging 6), a holding sheath (not shown) for the cover disassembly blade mounting arm similar to the holding sheath (23) for the vine scooping arm is attached and fixed to the tail wheel suspension holding column (43). It is also acceptable to insert the cover disassembling blade mounting arm (57) into the holding sheath in such a manner that it can also be adjusted forward and backward in the front-rear direction.

When the sweet potato is cut using the above-described cutting machine of the present invention, the top link holder (2) in the flare mower body (A) is used.
The top pin (28) of 7) and the lower pin (31) of both lower link holders (30) are also connected to the top link (29) and both lower links (32) of the tractor body (T) as shown in FIG. While maintaining the tractor body (T) in a state where it can be raised and lowered by the hydraulic cylinder device (33) of the tractor body (T).
The input shaft (13) of the tractor body (T) is operatively connected to the power take-off shaft (15) of the tractor body (T), and the power taken out of the tractor body (T) is used to rotate the rotary blade shaft (20) of the flare mower body (A). Is rotated in the direction indicated by the arrow (F) in FIG.

A vine scooping arm (24) for the flare blade (21) of the flare mower body (A);
Similarly, a pair of left and right tail wheels (34) forming an installation height adjusting device (B) of the Frerehl mower main body (A) are shown in FIG.
5 and the pivotal operation of the lifting / lowering adjustment handle (51) of the tail wheel (34), whereby the flare with respect to the ridge (10) is operated. Adjust and set the installation height of the mower body (A) properly.

Then, as the tractor body (T) is pulled by the tractor body (T), the middle flare blade (21a) of the flare blades (21) for forming the flare mower body (A) is formed. Will surely cut the root (a) of the vine (M) sticking to the upper surface of the ridge (10).

At this time, even if the edge of the intermediate flare blade (21a) touches the multi-film (22) covering the ridge (10), the intermediate flare blade (21a) has a straight form. However, the cuts are only given to the multi-film (22) as dotted lines, and are not cut at random into small pieces. As a result, the whole of the multi-film (22) is subsequently ridged (1).
0), the work can be smoothly peeled off, and there is no possibility that fine cut pieces of the film (22) remain.

On the other hand, a pair of left and right vine scooping arms (2
In 4), since the ridge groove (G) is in contact with the ground, the middle part (b) of the vine (M) that is prosperous at both flank portions of the ridge (10) is automatically moved by the vine picking arm (24). And the flare blade (2) of the flare mower body (A).
1), the blade is reliably cut into fine pieces by the peripheral flare blade (21b) branching into a V-shape or a V-shape at the edge thereof. There is no danger of the vine (M) wrapping around the shaft.

Further, a soil disassembling blade (59) of a soil disassembling blade mounting arm (57) projecting obliquely forward and downward from a pair of left and right tail wheel suspension support columns (43) as the vine cutter advances. As shown in FIGS. 4 and 5, the film (22) is cut just below both skirts of the multi-film (22), and the soil (g) of the film (22) located at the both skirts is loosened and decomposed. The film (22) can be quickly and completely peeled off from the ridge (10) in combination with the possibility that the film (22) will not be cut finely.

[0041]

As described above, in the present invention, the flare mower main body (A) for crossing over the ridge (10) covered with the multi-film (22) and the lifting and lowering operation can be suspended at the rear end. And a pair of left and right tail wheels (34) that roll in the ridge groove (G), and which are planted from the rotary blade shaft (20) of the flare mower body (A).
1) is a sweet potato cutting machine that is driven to rotate by power taken out from the tractor body (T) of the towing machine,

A pair of left and right vine scooping arms (24) for scooping and guiding the vines (M) that are growing at both bottoms of the ridges (10) to the flares blades (21) are connected to the flare mower body (A). ) At the rear end, it is attached to the front end at a constant inclination angle (α),

A pair of left and right covering soil disassembling blade mounting arms (57) are also attached to the hanging support columns (43) of the tail wheels (34) in a state of falling forward at a constant inclination angle (β), and each of them is attached. From the lower end of the soil cover disassembling blade mounting arm (57), a cut is made to enter just below the bottom of the multi-film (22), and the soil (g) of the film (22) is cut.
Since the cover disassembling blade (59) for relieving is inwardly protruded, there is an effect that the problem of the known invention described at the beginning can be surely improved.

That is, according to the above configuration of the present invention, the ridge (1
A pair of left and right soil covering blades (59) that cut into the ground under the multi-film (22) covered with the film (0) and loosen the soil (g) of the film (22) have a constant inclination angle (β). Since it is attached to the suspension support column (43) of the tail wheel (34) via the soil cover disassembling blade mounting arm (57) maintained in the forward lowered state, the flare mower body (A) with respect to the ridge (10) is attached. Even if the installation height is changed by the raising / lowering operation of the tail wheel (34), it is not necessary to adjust the covering soil dissolving blade (59) accordingly. Even without the troublesome adjustment work, the covering (g) of the multi-film (22) can be reliably separated from the hard ground of the ridges (G) and disassembled, and the film (2) can be separated.
Following the whole of 2), the work can be quickly and completely peeled off from the ridge (10).

Further, the mounting arm (57) of the earth dissolving blade (59) is attached to the suspension support column (43) of the tail wheel (34), and the tail wheel (G) is always in contact with the ridge groove (G). 34)
And the depth of cut of the soil covering blade (59) into the ground under the multi-film (22) is kept constant with respect to the contact surface of the tail wheel (34). In addition, the film (22) is excellent in certainty and stability of the action of loosening and decomposing the covering soil (g) of the film (22).

The mounting arm (57) of the earth covering disassembly blade (59) projects from the suspension support column (43) of the tail wheel (34) in a downwardly inclined state at a constant inclination angle (β). Since it does not interfere with the flare blade (21) of the flare mower body (A), even when the width of the ridge (10) changes, the flare blade (21) can be attached to the soil disassembling blade mounting arm (57).
Because of the positional relationship with, there is no need to do special replacement work,
The suspension column (43) of the tail wheel (34) is slid in the left and right direction along the toolbar (38), and is even positioned and fixed by the adjustment bolt (44) so as to correspond to the width of the ridge (10). Then, the cover disassembling blade (59) is also maintained in the adjusted state corresponding to the width of the ridge (10), and the cover (g) of the multi-film (22) can be loosened and disassembled without any trouble, which is very convenient.

In particular, if the structure of claim 2 is adopted,
The cutting depth of the soil dissolving blade (59) with respect to the ground under the multi-film (22) can be adjusted by moving the above-mentioned soil disassembling blade mounting arm (57) back and forth in the front-rear direction. There is also an effect that the responsiveness to the degree and other conditions is expanded.

[Brief description of the drawings]

FIG. 1 is an overall schematic side view showing a towing state of a sweet potato cutting machine according to the present invention.

FIG. 2 is a side view extracting and showing a part of FIG. 1;

FIG. 3 is a plan view of FIG. 2;

FIG. 4 is a front sectional view showing a corresponding positional relationship between a flare blade and a ridge.

FIG. 5 is a front view showing a cutting action state of the vine.

[Explanation of symbols]

 (10), ridges (20), rotating blade shaft (21), flared blade (22), multi-film (24), vine scooping arm (34), tail wheel (43), suspension column (57), soil covering Disassembly blade mounting arm (58), advance / retreat adjustment bolt (59), soil disassembly blade (A), flare mower body (B), installation height adjustment device (T), tractor body (G), furrow (M) Vine (g), soil cover (α), constant inclination angle (β), constant inclination angle

Claims (2)

(57) [Claims] 1. A flare mower main body (A) for crossing over a ridge (10) covered with a multi-film (22), and is suspended at its rear end so as to be able to move up and down to form a ridge groove (G). ) And a pair of left and right tail wheels (34), and the rotary blade shaft (20) of the flare mower main body (A).
In a sweet potato cutting machine that rotates a flare blade (21) planted from a tractor body (T) for towing, the vine growing on both tails of the ridge (10). A pair of left and right vine scooping arms (24) for scooping and guiding (M) to the flare blade (21) are attached to the rear end of the flare mower main body (A) at a constant downward angle (α). On the other hand, a pair of left and right covering soil disassembling blade mounting arms (57) are also attached to the suspension support columns (43) of the tail wheels (34) in a state of falling forward at a constant inclination angle (β), and each covering soil is attached. From the lower end of the disassembling blade mounting arm (57), a cut is made to enter just below the skirt portion of the multi-film (22) and the covering soil disassembling blade (59) for loosening the soil (g) of the film (22) is directed inward. Overhang Vine cutting machine of sweet potato, characterized in that was. 2. Each of the covering soil disassembling blade mounting arms (57) is positioned and fixed to a suspension support (43) of the tail wheel (34) by a plurality of advance / retreat adjusting bolts (58). The sweet potato cutter according to claim 1, characterized in that the cutting depth of the soil dissolving blade (59) with respect to the ground under the multi-film (22) can be adjusted.