JP2001008501A - Traveling device of waking type tending machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a traveling device of a walking type tending machine, capable of precisely preventing the dispersion of soil to the front side by a rotary, and excellent in tractive force of a machine body. SOLUTION: One of traveling device 2 to be attached to the front part of a rotary 3 is constituted of a crawler traveling device 2 having a crawler belt 1 wound on plural rotating wheels 6, and the crawler traveling device 2 is attached to the center position in the right and left direction of a machine body. The rear end of the crawler traveling device 2 is arranged at the nearly same position in the front and rear direction as the front edge of a rotary cover 13 attached to the upper part of the rotary 3 at the rear part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a work machine used for tilling work in a field, and relates to a traveling device of a walking type management machine in which a worker performs a steering operation while walking on the rear side of the machine body.

[0002]

2. Description of the Related Art A conventional walking-type management machine generally has a structure in which a single wheel-type traveling device 8 is provided at a lower portion of a body of a vehicle, and a tilling rotary 3 is mounted behind the traveling device 8 as shown in FIG. The device 8 was composed of a cultivated tire 9 having unevenness to improve the traction force of the fuselage.

[0003]

However, in the walking-type management machine having the above-described structure, the front end of the rotary cover and the rear of the traveling device, that is, the rotary, are prevented in order to prevent the earth from being scattered forward by the rear rotary. A front cover with adjustable protrusion length is installed between the
The front cover is shortly attached to the front upper part of the rotary so as not to be wrapped around the front traveling device and the rear rotary and hinder the work. For this reason, the soil that is scattered forward by the rotary is somewhat prevented by the front cover, but most of the soil goes under the short front cover and scatters further forward. At this time, since the front running device is a cultivated tire having a narrow left and right width A, there has been a problem that the soil is easily scattered forward without hindering the scattering. SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problem with a simple configuration and to provide a walking-type management device that reliably prevents the earth from being scattered forward by a rotary.

[0004]

Means for Solving the Problems In a walking type management machine in which one traveling device 2 is provided below a gear case 1 provided in the center of the fuselage and a rotary 3 for tilling is provided behind the traveling device 2, A drive sprocket 5 attached to the lower end of a traveling transmission case 4 projecting downward from the gear case 1;
A crawler traveling device 2 is formed by winding a crawler belt 7 around a plurality of rolling wheels 6, 6, the crawler traveling device 2 is attached to the center of the body in the left and right direction, and the rear end of the crawler traveling device 2 is moved rearward. The traveling device of the walking-type management machine is characterized in that it is arranged at substantially the same position in the front-rear direction with the front edge of the rotary cover 13 attached above the rotary 3.

[0005]

In the walking type management machine of the present invention, since the crawler traveling device 2 having a wide left and right width B is mounted at the center of the body in the left and right direction, especially, the reverse soiling work of the rotary 3 and the like. In this case, even if the soil scattered forward by the rear rotary 3 passes under the front cover 10 and attempts to scatter further forward, the crawler traveling device 2 serves as a wall to prevent the scatter and guide in the lateral direction. The soil filling work can be performed more efficiently. Since the crawler traveling device 2 has a sufficient height with respect to the rear rotary 3, the protrusion length of the front cover 10 is adjusted to be short and stored in the rotary cover 13 or the front cover 10 is mounted. Even if it is removed, the scattering is reliably prevented in the vertical direction. In addition, the crawler traveling device 2
The rear end is disposed at substantially the same position in the front-rear direction as the front edge of the rotary cover 13 attached above the rear rotary 3, that is, the guide wall extends vertically by the front edge of the rotary cover 13 and the rear surface of the crawler traveling device 2. Is formed, the scatter prevention property is improved, and the traveling device 2 extending rearward has a sufficiently long ground contact length of the crawler belt 7, thereby improving the traction force of the body.

[0006]

Next, an embodiment of the present invention will be described with reference to the drawings. The gear case 1 provided in the center of the fuselage
The power from 1 is transmitted to the traveling device 2 and the rotary 3 provided below to perform traveling and tillage work. The traveling device 2
Is attached to the lower end of the traveling transmission case 4 extending forward and downward from the gear case 1, and the rotary 3 is attached to the rotary transmission case 1 extending backward and downward from the gear case 1.
The traveling device 2 is attached to the lower end of the rotary 2 so as to be positioned directly in front of the rotary 3. Above the rotary 3, there is provided a rotary cover 13 for preventing the scattering of soil upward, and the rotary cover 13 is mounted on a mounting frame 14 extending rearward of the gear case 1 so as to be movable in the front-rear position.
At the front end of the rotary cover 13, a front cover 10 for preventing the scattering of soil in front of the rotary 3 is attached.
The front cover 10 is configured such that a protrusion length can be adjusted by bolts or can be detachably attached. 15 is a rotary 3
This is a resistance rod that determines the tilling depth of the mounting frame 14 and extends downward from the rear end of the mounting frame 14.

A stand 16 is rotatable about a shaft 17. The stand 16 supports the fuselage on the front side of the fuselage, and is rotatably stored during running so as not to hinder the running.
A handlebar 18 is provided on the upper part of the gear case 1 so as to face rearward and upward, so that an operator who walks rearward of the fuselage can perform a steering operation while holding the rear end of the handlebar 18. I have. 19, 19 are grips attached to the rear end of the handle rod 18, 20 is a finger clutch lever for interrupting the power of the rotary 3, 21 is a stand lever for rotating the stand 16, and 22 is a running speed of the body. The shift lever 23 for switching is a main clutch lever for interrupting the power from the prime mover 11 to the gear case 1, and the respective levers 20, 21, 22, 23 are provided near the grips 19, 19 at the rear end of the handlebar rod 18. This makes it convenient for maneuvering operations during work. The handle rod 18 is a gear case 1
And two pipe pipes extending radially in plan view, and connecting and reinforcing the left and right pipe rods by a connecting plate 24 at the front and rear intermediate portions. 25 is the connecting plate 24
It is a safety switch installed in the center.

A mounting base 26 for mounting the motor 11 is formed in front of the gear case 1 and the power transmission is enabled by connecting the motor 11 mounted on the mounting base 26 and the gear case 1 by a belt. . Reference numeral 27 denotes a transmission cover that covers the power transmission unit by the belt, and reference numeral 28 denotes a motor cover that covers the upper surface of the motor 11. A rotary lever 29 for controlling the rotation speed and rotation direction of the rotary 3 is provided on one of the left and right sides of the gear case 1, and a traveling operation lever 30 for controlling the traveling speed and the forward / backward traveling direction of the body is provided on the other side.
Is provided.

The traveling device 2 is constituted by a driving sprocket 5 receiving power at the lower end of the traveling transmission case 4 and a crawler belt 7 wound around a plurality of rolling wheels 6, 6. The traveling device 2 is attached to the left and right central positions of the fuselage, and the rear end thereof is disposed substantially at the same position in the front-rear direction as the front edge of the rotary cover 13 attached above the rear rotary 3. A plate-like support frame 31 is provided on the side of the traveling transmission case 4 opposite to the side on which the drive sprocket 5 is mounted.
And a shaft 32 fixed to the support frame 31,
The rolling wheels 6 and 6 are rotatably supported at 32. As shown in FIG. 5, the crawler belt 7 is formed of a flat crawler in which the width X on the traveling transmission case 4 side is smaller than the width Y on the other side with respect to the left and right center of the body, that is, the left and right center of the drive sprocket 5. Desirably, the width Y is larger than the width X and smaller than the width Z, or the same as the width Z.

When the tilling operation is performed by the walking type management machine having the above-described configuration, the tilling operation is performed by the rotary 3 on the rear side while traveling the field by pulling the body by one crawler traveling device 2 formed below the body. . In particular, when the rotary 3 is reversed and the soil in the groove is scattered and guided to the crop roots on the side ridges to perform the soil digging work, the soil tilled by the rear rotary 3 tends to scatter forward. Also wide left and right width B
The crawler traveling device 2 having a wall serves as a wall to prevent the crawler traveling device 2 from scattering forward. At this time, the crawler traveling device 2
As shown in FIGS. 2 and 3, the rear end is disposed substantially at the same position in the front-rear direction as the front edge of the rotary cover 13 attached above the rear rotary 3, and the front edge of the rotary cover 13 and the rear surface of the crawler traveling device 2. Thereby, a guide wall is formed vertically, thereby improving the above-described scattering prevention property, and guiding the cultivated soil to the side so that the soil filling operation can be performed efficiently. In addition, the traveling device 2 extending rearward makes the contact length of the crawler belt 7 sufficiently long to improve the traction force of the body.

[0011] The walk-behind management machine has a narrow groove M formed in a field.
In this case, there is a case where the work is performed while traveling inside the vehicle. At this time, the width W of the traveling type management machine travels, and the width W of the center of the body, that is, the width Z from the left and right center of the driving sprocket 5 to the outer end of the traveling transmission case 4 is determined. About twice is common. Therefore, as shown in FIG. 5, by using a flat crawler belt 7 having a width X <width Y ≦ width Z, the crawler contact width in the groove M is formed sufficiently large, and a general crawler belt having a width X = width Y is used. In addition to improving the traction force, the traveling safety 2 is also improved by the traveling device 2 having a wide left and right.

The crawler traveling device 2 according to the present invention
The shape may be any shape without limitation, and is preferably a ship bottom type shape as shown in FIG. 1 and FIG. 2 in which the front is inclined upward, or as shown in FIG. A triangular shape is preferable. Also, in the claims, numbers are provided for the purpose of convenience with the drawings, but the present invention is not limited to the structure of the attached drawings by this entry.

[Brief description of the drawings]

FIG. 1 is an overall side view of an embodiment of the present invention.

FIG. 2 is an overall side view showing a state where a front cover 10 in the embodiment of the present invention is stored or removed.

FIG. 3 is an overall side view in the embodiment of the present invention.

FIG. 4 is an overall plan view of the embodiment of the present invention.

FIG. 5 is a partially cutaway front view of a main part in the embodiment of the present invention.

FIG. 6 is an overall side view showing a conventional example.

FIG. 7A is a front view of a main part in the embodiment of the present invention. (B) Partial front view of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Gear case 2 Traveling device 3 Rotary 4 Travel transmission case 5 Drive sprocket 6 Roller wheel 7 Crawler belt 13 Rotary cover

Claims (1)

[Claims] 1. A walking-type management machine comprising a traveling device (2) provided below a gear case (1) provided at the center of the machine body and a tilling rotary (3) provided behind the traveling device (2). 2), a driving sprocket (5) attached to the lower end of a traveling transmission case (4) projecting downward from the gear case (1), and a plurality of rollers (6) and (6) to a crawler belt (7). ) To form a crawler traveling device (2), attach the crawler traveling device (2) to the right and left center positions of the body, and further attach the rear end of the crawler traveling device (2) to the rear rotary (3). A traveling device for a walking-type management machine, wherein the traveling device is disposed substantially at the same position in the front-rear direction as the front edge of a rotary cover (13) mounted above.