JP2003111501A - Ridger for cultivator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ridger capable of carrying out mounding even to the vicinity of a crop while finely adjusting the culture soil height and further selectively usable with members for fine adjustment mounted thereon. SOLUTION: This ridger is obtained by extendedly installing a pair of left and right furrowers in the form of wings from the central ridge line toward the rear oblique upper side and connecting a mounting rod to the back of the ridge line. In the ridger, flexible auxiliary blades installed extendedly to the rears of the furrowers and capable of regulating the culture soil width and culture soil height are attached to the rear ends of the furrowers so as to enable the adjustment of the vertical angle relatively to the rear ends of the furrowers. The auxiliary blades are preferably attached so as to enable the housing from the rear extended positions into the backs of the rear ends of the furrowers. Each relating member for the culture soil width is mounted between each furrower and each auxiliary blade so as to enable the regulation of the expansion and contraction length. Notched scales are provided in the edge in the longitudinal direction of the regulating member for the culture soil width.

Description

Detailed Description of the Invention

[001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a cultivator which is attached to the rear of a work vehicle such as a cultivator and excavates soil in a field while laying earth on both left and right sides of a crop row.

[002]

The cultivator has wing-shaped cultivating plates extending diagonally upward and rearward on the left and right of the central tip digging blade, and the ridges are formed by the soil pushed up along the cultivating plates. Or, it is used as a working machine for embankment in a row of crops.

In such cultivating work, the desired cultivating height and cultivating width differ depending on the type of crop, the degree of growth, or the preference of the cultivator, and the shape of the embankment varies depending on the excavating speed of the cultivator. Therefore, the adjustment means is necessary.

In order to solve this problem, a basic cultivating plate body having an excavating blade to which a cultivating soil height adjusting member and a cultivating soil width adjusting member are added (for example, Japanese Utility Model Publication No. 5-1202) is also known. , Since the rear end of the conventional soil plate is made of steel plate similar to the main body, it may not be possible to approach the stem too much because it may damage the crop, and the angle of the rear end of the soil plate is fixed. However, it was extremely difficult to finely adjust the height of the soil around the stem of the crop.

Therefore, a first object of the present invention is to provide a soil cultivator capable of embankment up to the circumference of a stem without damaging the crop and finely adjusting the soil height and soil width. is there.

A second object of the present invention is to provide the above-mentioned pottery which can be selectively used while the fine adjustment member for height and width of the soil is attached.

By the way, when the cultivating soil width adjusting member is connected to the rear end of the blade of the cultivating soil plate body so as to be adjustable in expansion and contraction, the expansion and contraction length of the cultivating soil width adjusting member is determined by visual measurement each time. For this reason, the actual ridge width may differ from the expected one, and because the cultivator has multiple cultivators attached in parallel, the cultivator width (ridge width) will be uneven. There was a problem. In particular, since the soil width is often adjusted in the field, such a visual error is likely to occur at dusk or under cloudy weather.

Therefore, a third object of the present invention is to provide the above-mentioned potter's bowl which can adjust the expansion and contraction length of the paddle width adjusting member accurately and quickly.

[0109]

SUMMARY OF THE INVENTION The present invention for achieving the above-mentioned first object is to form a longitudinal central ridge line whose front end is bent forward, and from the ridge line to the left and right diagonally upward. In a soil cultivator in which a pair of cultivating plates are extended in a wing shape, and a ridge line back part of the cultivating plate is coupled with a mounting rod to the work machine body, at the rear end of the cultivating plate, it extends rearward and extends the cultivating width. And a flexible auxiliary wing that regulates the soil height,
It is characterized in that it is attached to the rear end of the cultivating plate so that the vertical angle can be adjusted.

The present invention for achieving the above-mentioned second object forms a vertical central ridgeline with its tip bent forward, and from this ridgeline, a pair of left and right cultivating plates are wing-shaped in the rearward and diagonally upward direction. In the cultivator in which the mounting rod to the work machine main body is connected to the ridge back of this cultivating plate, a flexible auxiliary wing that regulates the cultivating width and the cultivating height at the rear end of the cultivating plate. The blades are connected to each other, and the auxiliary wings are attached to the rear end of the cultivating plate at an extension connecting position extending rearward of the rear end of the cultivating plate so that the vertical angle can be adjusted, and It is characterized in that it is attached to the back of the rear end of the cultivating plate so that it can be stored.

Preferably, the attachment means of the auxiliary wing plate is rotatably rotatably supported at the rear part of the soil slab and a plurality of locking holes are formed along an arc line centering on the rotatably supported part. And the auxiliary wing plate main body; and the auxiliary wing plate main body, which is non-rotatably attached to the rear part of the soil plate by sandwiching the shaft support collar of the auxiliary wing plate main body, and the auxiliary wing plate main body being locked to the rear plate surface facing the auxiliary wing plate main body A fixed plate formed with locking projections corresponding to the holes; a locking projection formed on the rear back surface of the soil plate corresponding to the locking hole position of the auxiliary wing plate body rotated to the rear rear surface of the soil plate; The auxiliary blade body is adjusted to the vertical angle of the auxiliary blade body by selecting one of the locking holes of the auxiliary blade body extended to the rear of the cultivation blade and engaging it with the locking protrusion of the fixed plate. By engaging the locking holes of the auxiliary wing plate body rotated to the rear rear surface with the locking protrusions on the rear rear surface of the culture soil plate The aileron plate body to be housed in the back of the soil plate.

The soil culture plate includes a basic member having a tip cutting blade, a soil soil height adjusting member detachably connected to an upper portion of the basic soil member, and a rear portion of the soil soil height adjusting member and / or the rear portion of the basic member. In the cultivator configured by the cultivating soil width adjusting member that is extensible and contractable toward, the auxiliary wing plate is coupled to the rear end portion of the cultivating soil width adjusting member by the fastening means.

The present invention for achieving the above third object includes:
In the above soil cultivator, a display is provided for recognizing the expansion / contraction length of the cultivating soil width adjusting member in the longitudinal direction of the cultivating soil width adjusting member.

The above display is preferably constituted by a cut scale formed along the longitudinal edge of the soil width adjusting member.

[0115]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 shows an example of a cultivator that is used by installing a plurality of cultivators or the like in parallel at the rear part of a work vehicle. The cultivator 1 has a longitudinal central ridge line in which an excavating blade tip is curved forward. 2, and a pair of left and right cultivating plates 3 and 3 from the ridge line 2 to the rear obliquely upward direction.
Is extended in the shape of a wing, and a mounting rod 4 for connecting to a working machine body (not shown) such as a cultivator is connected to the backs of the ridgelines 2 of the left and right cultivation soil plates 3, 3.

That is, in the soil soil plates 3 and 3, the upper side bent outward extends substantially horizontally toward the rear of the central ridge, and the lower side extends from the tip of the central ridge toward the rear while curving obliquely upward. , Which is formed in a wing shape as a whole, so that the soil excavated at the tip of the central ridgeline along with the forward movement of the soil cultivator 1 is raised along the front surface of the soil slab 3 to fill the crop ridge. Has become.

The cultivator 1 of the present invention is provided at the rear end portion 5 of the cultivating plate 3,
It extends to the rear of the rear end 5 to regulate the soil width and soil height,
A flexible or elastic auxiliary wing plate 6 such as rubber to be adjusted is connected, and the auxiliary wing plate 6 is connected to the rear end portion 5 of the soil tiller 1.
It is attached so that the vertical angle can be adjusted as indicated by arrow A.

The soil cultivator 1 of the embodiment shown in the figure has a basic member 3a having an excavating blade 7 fixed to its tip, and a soil height adjusting member 3b detachably coupled to the upper portion of the basic member 3a with bolts or the like.
And a cultivating soil width adjusting member 3c slidably attached to the rearward extending line of the cultivating soil height adjusting member 3b. That is, the cultivating soil width adjusting member 3c has a long groove 8 formed in the axial direction, and bolts are passed through the long groove 8 to cultivate the soil height adjusting member 3c.
It is slidably connected to the rear of b. In such a soil cultivator 1, the rear portion of the soil cultivating width adjusting member 3c becomes the rear end portion 5 of the soil cultivator 1, and the auxiliary vane 6 is located at this position.
Are connected.

As described above, the auxiliary wings 6 are attached to the rear end portion 5 of the soil culture plate 3 so that the vertical angle can be adjusted. When the auxiliary wings 6 are not used, Can also be attached so as to be stored on the back surface of the rear end portion 5 of the double soil plate 3.

Next, a preferred embodiment of the fastening means for the auxiliary vanes 6 will be described with reference to the drawings. The attachment means of the auxiliary vane 6 according to this embodiment is such that the auxiliary vane 6 main body pivotally attached to the rear end portion 5 of the soil plate and the auxiliary vane 6 main body are attached so that the vertical angle can be adjusted. It is composed of a fixed plate 9.

The main body of the auxiliary wing plate 6 is made of a flexible or elastic material such as rubber and has a connecting hole 10 pivotally attached to the rear end portion 5 of the soil plate, and the connecting hole 10 serves as a center point. A plurality of locking holes 11 are arranged along the arc line. Further, a collar 16 having a width slightly larger than the wall thickness of the auxiliary blade 6 is slidably fitted in the connecting hole 10. On the other hand, the fixed plate 9 has a pin hole 12 corresponding to the connecting hole 10 of the auxiliary wing plate 6 and is engaged behind the pin hole 12 with a plurality of locking holes 11 of the auxiliary wing plate 6 selectively. A stop projection 13 is formed.

Thus, the collar 16 of the auxiliary wing plate 6 is sandwiched and tightened so that the connecting hole 10 of the auxiliary wing plate 6 and the pin hole 12 of the fixing plate 9 are bolted to the pin hole 14 of the rear end portion 5 of the soil plate. Connect via 15. In this case, the auxiliary wing plate 6 needs to be rotatably connected to the rear end portion 5 of the soil culture plate, and the other fixed plate 9 needs to be fixed so as not to rotate together. Therefore, the auxiliary wing plate 6 is rotatably attached by fitting the collar 16 having a width larger than the wall thickness of the auxiliary wing plate 6 into the connecting hole 10, and the engaging protrusion 17 is formed on the fixed plate 9. Then, the engaging projection 17 is engaged with the engaging portion 18 of the rear end portion 5 of the soil culture plate so as not to rotate together. The collar 16 is
Instead of the above structure, it may be integrally formed around the pin hole 12 of the fixing plate 9.

The engaging means for accommodating the auxiliary wing plate 6 on the rear surface of the rear end portion 5 of the cultivating plate is as follows: on the rear surface of the rear end portion 5 of the cultivating plate, a locking projection corresponding to the locking hole 11 of the auxiliary wing plate 6. 19 is formed, and by fitting the locking hole 11 of the auxiliary wing plate 6 rotated as shown by the arrow B on the back surface of the rear end part 5 of the cultivating plate, the auxiliary wing plate 6 is moved to the rear end of the cultivating plate. It is adapted to be stored on the back surface of the part 5.

Although the drawing has been described with reference to the embodiment in which the auxiliary wing plate 6 is provided at the rear end of the cultivating soil width adjusting member 3c of the cultivating soil plate 3,
The present invention is not limited to this structure, and includes the case where the auxiliary wing plate 6 is provided at a position that substantially forms the rear end portion of the soil culture plate 3.

As described above, the cultivating soil width adjusting member 3c has the long groove 8 in the axial direction, and the cultivating soil height adjusting member 3b is slidably coupled with the long groove 8 through the bolt 20. In the embodiment of FIG. 5, a mark for knowing the expansion / contraction length is provided on the cultivating soil width adjusting member 3c so that the cultivating soil width can be set accurately and quickly.

The mark may be a mark such as a character provided along the longitudinal direction of the culture soil width adjusting member 3c, but the flat mark is hard to see in a dark place or when mud adheres. For this reason,
The above-mentioned mark is preferably constituted by a cut scale 21 formed on the longitudinal edge of the culture soil width adjusting member 3c as shown in the drawing.

[027]

[Effect] As described above, in the soil muller of the present invention, since the flexible auxiliary wing plate is attached to the rear end portion of the soil slab so that the angle can be adjusted, it does not damage the crop and is close to the stalk of the crop. Up to a desired height can be filled.

Further, since the auxiliary vanes can be rotated to the rear surface of the rear end portion of the cultivation soil plate, when the auxiliary vanes are not used, they are stored on the rear surface of the rear end portion while being attached to the rear end portion. can do. Therefore, it can be selectively used with the auxiliary vanes attached.

By providing a display for knowing the expansion / contraction length on the cultivating soil width adjusting member, the cultivating soil width can be set accurately and quickly. Particularly, when the notch scale formed on the edge is used as the display means, the soil is hard to be attached and easily falls. Further, since the display is uneven, it is possible to make a tactile adjustment.

[Brief description of drawings]

FIG. 1 is a front perspective view of a pottery according to an embodiment of the present invention.

FIG. 2 is a rear perspective view for explaining the assembling of the pottery according to the embodiment of the present invention.

[Figure 3] Rear view of the rear end of the potter

FIG. 4 is a side perspective view of a pottery according to another embodiment of the present invention.

FIG. 5 is an enlarged view of a main part of FIG. 4 embodiment.

[Explanation of symbols]

1 ... Paddy bowl 2 ... Ridge line 3 ... Paddy plate 3a ... Basic member 3b ... Paddy soil height adjusting member 3c ... Paddy soil width adjusting member 4 ... Mounting rod 5 ... Paddy plate rear end 6 ... Auxiliary blade 7 ... Excavation blade 8 ... Long groove 9 ... Fixing plate 10 ... Connecting hole 11 ... Locking hole 12 ... Pin hole 13 ... Locking projection 14 ... Pin hole 15 ... Bolt 16 ... Collar 17 ... Engaging projection 18 ... Engaging portion 19 ... Locking projection 20 ... Bolt 21 ... Notch scale

[Reference number] PAS002-017

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Yoichi Hasegawa             1-31 Asahi-cho, Ashoro-cho, Ashoro-gun, Hokkaido F term (reference) 2B032 AA02 AA03 CA02 CA07 CB02                       CB04 CB07 CB09

Claims (6)

[Claims] 1. A longitudinal central ridge line is formed by bending the front end forward, and a pair of left and right cultivating plates are extended in a wing shape from the ridge line toward the rear obliquely upward direction, and on the ridge line back part of the cultivating plate. In a soil cultivator combined with a mounting rod to a work machine main body, a rear auxiliary portion of the soil slab is provided with a flexible auxiliary wing plate that extends rearward and regulates the soil width and the soil height. Cultivator cultivator characterized by being attached to the rear end of the plate so that the vertical angle can be adjusted. 2. A longitudinal central ridge line is formed by bending the front end forward, and a pair of left and right cultivating plates extend in a wing shape from the ridge line to the rearward and obliquely upward direction, and at the back of the ridge line of the cultivating plate. In a soil cultivator in which a mounting rod is attached to a work machine body, a flexible auxiliary wing plate that regulates a cultivated soil width and a cultivated soil height is connected to a rear end portion of the soil soil plate, and the auxiliary vane is , At the extension connecting position extending rearward of the rear end of the cultivating plate so that the vertical angle can be adjusted with respect to the rear end of the cultivating plate, and it can be accommodated in the back of the rear end of the cultivating plate from the extended position. Cultivator pottery characterized by being worn 3. A flexible member in which an auxiliary wing plate engaging means is rotatably supported on the rear part of the soil plate and a plurality of locking holes are formed along an arc line centering on the shaft supporting part. An auxiliary wing plate main body; a retaining hole of the auxiliary wing plate main body on the rear plate surface that is non-rotatably attached to the rear part of the soil plate by sandwiching the shaft support collar of the auxiliary wing plate main body A fixing plate having a locking projection corresponding to the above; and a locking projection formed on the rear rear surface of the cultivation plate corresponding to the position of the locking hole of the auxiliary wing plate body rotated to the rear rear surface of the cultivation plate; The vertical angle of the auxiliary wing plate is adjusted by selecting one of the locking holes in the main body of the auxiliary wing plate that extends to the rear of the cultivating plate and engaging it with the locking protrusion of the fixed plate. Auxiliary wing plate main body by engaging the locking holes of the auxiliary wing plate body rotated to the back surface with the locking protrusions on the rear surface of the rear part of the soil plate. 3. The cultivator cultivator according to claim 2, wherein the cultivator can be stored on the back surface of the cultivator plate. 4. A basic member, wherein the soil culture plate has a tip cutting blade, a soil soil height adjusting member detachably connected to an upper portion of the basic soil member, and these soil soil height adjusting members and / or a rear portion of the basic member. 2. A cultivating soil width adjusting member, which is connected to the rearward of the cultivating soil, so that the auxiliary wing plate is connected to the rear end portion of the cultivating soil width adjusting member by the engaging means. Cultivator cultivator according to item 2 or item 3. 5. The cultivator cultivator according to claim 4, further comprising a display for recognizing the expansion / contraction length of the cultivating soil width adjusting member in the longitudinal direction. 6. The cultivator cultivating soil according to claim 5, wherein the display for recognizing the expansion / contraction length of the cultivating soil width adjusting member is a cut scale formed along the longitudinal edge of the cultivating soil width adjusting member. vessel