JPH11289802A - Ridge-making machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ridge-making machine, which can be operated even by an aged or inexperienced person to easily make ridges orderly while keeping the machine stable and well-balanced. SOLUTION: This ridge-making machine is equipped, on its body, with a motor, a pair of wheels on both sides of the body, driven by the motor to run on ridge gutters, and a pair of soil-digging blades 6 on both sides, rotated by the motor to dig a field while throwing soil toward the both sides of the gutter it digs, wherein it is further equipped, at the front of the body, a roll 14 which rolls on the field and has a distance between them wider than the ridge gutter width. The machine can stably move forward without rolling in the lateral direction, because distance (length) between the rolls 14 is wider than the ridge gutter width, i.e., wider than distance between the wheels on both sides.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to an agricultural machine,
In particular, the present invention relates to a ridger for cultivating a field, and scraping the cultivated soil left and right to form a ridge.

[0002]

2. Description of the Related Art A conventional ridger excavates a field with left and right tilling blades provided at a front portion of a fuselage while advancing the field with a pair of left and right traveling wheels provided at a rear portion of the fuselage. And excavated soil is scraped up and down to form ridges on the left and right of the ridges.

[0003]

In this conventional ridger, the distance between the running wheels is set smaller than the width of the ridge so that the left and right running wheels can run in the ridge. And there are hard and soft areas in the field,
When an elderly person or inexperienced worker with no physical strength is used, the aircraft becomes unstable, for example, the aircraft cannot be tilted and re-established, and cannot form a regular ridge having a uniform depth, size, and the like. There was a problem.

The present invention has been developed in view of the above-mentioned problems of the conventional ridger, and even if an elderly person or an unskilled person, the machine body can maintain a stable parallel state and form an orderly ridge. An object of the present invention is to provide a ridger that can be easily formed.

[0005]

According to a first aspect of the present invention, there is provided a ridger having a pair of right and left running ridges on a body equipped with a prime mover. In a ridger equipped with a wheel and a pair of left and right tilling blades that lifts cultivated soil to the left and right of the ridge while rotating and excavating the field by the prime mover, at the front end of the body, A roller wider than the ridge is mounted.

In the ridger of the first aspect, when the running wheels and the tilling blade are rotated by the prime mover, the body advances while the front end is supported on the field by rollers, and is excavated by the tilling blade. The cultivated soil is swept up and down to form ridges at the same time as the ridges and grooves. In particular, since the width (length) of the rollers is formed wider than the width of the ridges, that is, the width of the rollers must be Since the width is formed wider than the width of the left and right traveling wheels traveling in the groove, the aircraft can move forward stably without tilting left and right.

According to a second aspect of the present invention, there is provided a ridger according to the first aspect, wherein the ridger is provided with a height adjusting means and a width adjusting means at the front end of the body. It is characterized by having a roller attached.

According to the ridger of the second aspect, the vertical axis is moved up and down by operating the height adjusting means in accordance with the depth of the ridge groove to be formed, and the left and right sides are moved from the lower end of the tilling blade. After adjusting the height to the lower surface of the roller and operating the width adjusting means to expand and contract the horizontal axis according to the width of the ridge groove to be further formed, the distance between the left and right rollers is adjusted, and then the motor When the running wheels and the tilling blade are rotated, the aircraft advances while the front end is supported on the field by the rollers, and the cultivated soil excavated by the tilling blade is scraped up to the left and right, and the ridges are formed at the same time as the ridges and grooves. However, in particular, since the width of the rollers is adjusted to be wider than the width of the ridges and wider than the interval between the left and right running wheels, the aircraft always advances stably even with the ridges having different widths.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. FIGS. 1 to 4 show a ridger according to a first embodiment. First, in FIGS. 1 and 3, a prime mover 3 of a gasoline engine or a battery engine is mounted on a body 2 having a handle 1. Have been. A pair of left and right traveling wheels 4 driven by a prime mover 3 are provided at a rear portion of the body 2. The distance between the running wheels 4 is adjustable so that the running wheels 4 can roll in the ridges 5. Note that a crawler may be mounted instead of the traveling wheel 4.

At the front of the machine body 2 is mounted a tilling blade 6 that is driven to rotate by a motor 3. This tilling blade 6
A pair of left and right earth pressing plates 7 for pressing laterally the soil scraped to the left and right by the tilling blade 6 is provided on the body 2 between the vehicle and the traveling wheel 4. In addition, a front plate 8 for distributing the soil crushed by the tilling blade 6 to the left and right is attached to the front ends of the both earth pressing plates 7. The earth push plate 7 and the front plate 8 may not be provided. The earth pressing plate 7 includes a type in which the driving force is transmitted by the prime mover 3 to make the rocking motion and a fixed type in which the soil is pressed to the side.

The airframe 2 surrounds the upper part of the tilling blade 6.
A cover 9 for preventing the soil from scattering by the tilling blade 6
Are installed symmetrically.

As shown in FIG. 4, a vertical axis 11 having a polygonal cross section and having a height adjusting means 10 is provided at the front end of the body 2.
At the lower end of the vertical axis 11, a supporting device A is provided which is fixed at the center of a horizontal axis 13 having a polygonal cross section and has a horizontal width adjusting means 12, and a roller 14 can be rotated on both left and right ends of the horizontal axis 13. It is attached to.

The height adjusting means 10 is provided with a cylindrical portion 15 having a polygonal cross section opened vertically at the front end of the body 2, and the vertical axis 11 is inserted into the cylindrical portion 15 so as to be able to move up and down. A tightening screw 17 is screwed into a female screw portion 16 provided at the side center portion, and the tip is pressed against the outside of the longitudinal axis 11.

The horizontal width adjusting means 12 includes a horizontal axis 13
Is formed by a cylindrical section 18 having a polygonal cross section and a slide section 19 having a polygonal cross section inserted from both ends so as to be stretchable.
A fastening screw 21 is screwed into a female screw portion 20 provided at both ends of the cylindrical portion 18, and the tip is pressed against the outside of the slide portion 19.

The height adjusting means 10 and the width adjusting means 12 are not limited to those described above. For example, the height adjusting means 10 may be provided with a split bearing at the front end of the body 2. Conversely, the width adjusting means 12 is configured such that the roller 14 is rotatably mounted on the outer ends of the pair of left and right cylindrical portions, and the inner end thereof is freely expandable and contractable with a fixed shaft fixed to the lower end of the longitudinal axis 11. It may be formed so as to be fitted to the cylindrical shaft, and the tip of the tightening screw screwed into the cylindrical portion may be pressed against the outside of the fixed shaft.

The ridger of the present embodiment is configured as described above, and operates as follows. First, the tightening screw 17 of the height adjusting means 10 is loosened, and the vertical axis 1 of the polygonal cross section is set.
2 is raised or lowered to adjust the height of the roller 14 as shown in FIGS.
2 by loosening the tightening screw 21 and expanding and contracting the right and left slide portions 19 of the horizontal shaft 13 so that the roller 1 is rotated as shown in FIG.
When the running wheel 4 and the tilling blade 6 are rotated by the prime mover 3 after the interval of 4 is wider than the width of the ridge groove 5, the machine body 2 moves forward while being supported by the rollers 14 rolling on the field ground, The cultivated soil excavated by 6 is swept right and left to form ridges 22 and ridge grooves 5 to be formed.

As described above, in the ridger according to the present invention, the downward inclination of the body 2 is prevented by the rollers 14 rolling on the field, the inclination in the horizontal direction is prevented, and the body 2 is always kept parallel. Therefore, a regular ridge is formed. It should be noted that the device of the present invention functions more effectively when the ridge is set narrow. Further, by operating the height adjusting means 10 and the width adjusting means 12 in the support device A, the height and width of the roller 14 can be adjusted, so that various ridges having different widths of the ridges are provided. Can respond to work.

Note that the present invention is not limited to the ridger of the above embodiment. For example, as shown in FIG.
Is provided at the lower end of the vertical axis 11 with a forked portion 23, and the forked portion 23 is provided with a lateral width adjusting means 24 for expanding and contracting both lower ends to the left and right.
Are provided inside the forked portion 23, and an outer cylindrical portion 25 and an inner cylindrical portion 26 are provided.
And a roller 27 which is slidably fitted to the roller 27. Further, there is a case where one long roller is axially attached to the forked portion 23 having no width adjusting means 24.

[0019]

The ridger of the present invention is embodied in the form described above, and has the following effects.

First, since the front end of the body is cultivated by a roller wider than the ridges rolling on the field, the ridges having a predetermined depth can be formed. Particularly, since the width of the roller is wider than the width of the ridge, the body does not tilt during plowing. Therefore, even an elderly person with poor physical strength or an unskilled person can form an orderly ideal ridge.

Further, since the height of the right and left rollers can be adjusted by the height adjusting means according to the depth of the ridge groove to be formed, the ridge groove having a desired depth can be formed, and the right and left rollers can be formed. Since the width of the roller can be freely changed by the lateral width adjusting means, it can also be used for various ridge work in which the width of the ridge groove is different.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention.

FIG. 2 is a side view showing a plowing state of the embodiment.

FIG. 3 is a front view showing a plowing state of the embodiment.

FIG. 4 is a perspective view showing a roller supporting device in the same working state.

FIG. 5 is a perspective view showing a roller supporting device in a second embodiment of the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 handle 2 body 3 motor 4 running wheel 5 ridge groove 6 tilling blade 10 height adjustment means 11 vertical axis 12 width adjustment means 13 horizontal axis A support device 14 roller 15 cylindrical part 18 cylindrical part 22 ridge 23 forked part 27 roller

Claims (2)

[Claims] 1. A pair of left and right running wheels, which run on a ridge by the prime mover, and a pair of left and right wings, which are driven by the prime mover to excavate a field and scrape cultivated soil to the left and right of the ridge, on a body equipped with a prime mover. What is claimed is: 1. A ridger equipped with a tilling blade, wherein a roller that rolls on a field and is wider than a ridge is mounted on a front end of the body. 2. The ridger according to claim 1, wherein a roller is mounted on a front end of the fuselage by a supporting device provided with height adjusting means and width adjusting means.