JPH0432002Y2 - - Google Patents

Description

[Detailed description of the invention] This invention is suitable for inter-tillage management work by running in narrow spaces, such as inter-tillage weeding and ridge stripping. The present invention relates to a one-wheel walking management machine in which a transmission case of a ground work device that is driven in conjunction with the shaft from which the power is taken out is fixedly connected to the rear part of a protruding mission case.

When using a two-wheeled vehicle for the above-mentioned mid-tillage management work, the vehicle must have narrow, large-diameter wheels because the work must be done in narrow spaces between furrows and while the crops are being straddled. It is necessary to configure the aircraft so that it is relatively high, which has the disadvantage that the attitude of the aircraft during work is unstable and difficult to maneuver.
On the other hand, as mentioned above, the single-wheel type does not need to travel between crops, so it has a low vehicle height that provides excellent running stability, and is extremely compact, making it suitable for management work in the fields. You can make it suitable.

In addition, conventionally, a single-wheel walking type management machine has not been specified as a device capable of managing multiple furrows; It was known that ground work devices were installed side by side on the left and right sides of the aircraft.

However, in the conventional method described above, each ground working device is connected to a single output shaft provided along the left and right direction so that the distance between the ground working devices can be changed according to the spacing between the ridges. Because they are connected so that their positions can be changed in the left-right direction, the output shaft and the machine frame that holds the output shaft are fixed objects. The drawback was that the machine frame easily came into contact with the crops.

The present invention was developed in view of the above-mentioned circumstances, and while taking advantage of the advantages of a single-wheel walking type management machine, it is possible to simultaneously work on multiple furrows according to the spacing between the furrows and the height of the furrow bottom. The purpose of the present invention is to provide a one-wheeled walking type management machine that can be used satisfactorily to control work equipment, and can also change the distance between the left and right ends of an output shaft and a transmission case for a working device.

In order to achieve the above-mentioned object, the one-wheel walking management machine according to the present invention has the above-mentioned structure, and has a drive shaft protruding outwardly on both the left and right sides on the connecting portion side of the transmission case. The transmission cases of a plurality of other ground work devices that can be interlocked and connected to the drive shaft are each
The left and right ground work devices are fixedly and detachably connected to the central power transmission case via a cylindrical power transmission case in a horizontal position, and the left and right ground work devices are connected to the center ground work device around the axis of the cylindrical power transmission case. The cylindrical transmission case is configured to be vertically swingable and fixed freely, and the cylindrical transmission case is composed of a double cylinder overlapped so as to be extendable and fixed in the left and right directions, and the drive shaft is interlocked and connected to the drive shaft. A characteristic configuration is that the input shaft of the transmission case of the ground work device is configured to be slidable and expandable in the direction of their rotation axes in an interlocking state.

The effects of this characteristic configuration are as follows.

In other words, when a plurality of ground working devices are installed, the left and right ground working devices are configured to be able to vertically swing and be fixed relative to the central ground working device, so even if the height of the central ridge is Therefore, even if there is a difference in the height of the left and right ridge bottoms, the left and right ground working devices can be changed to the same ground working posture as the central ground working device (for example, when a tillage rotary is used as a ground working device) The desired working effect can be obtained even in multi-row work (which allows the plowing depth of each plow to be kept constant).

In addition, when changing the horizontal distance between ground work equipment according to the ridge spacing, the drive shaft and the input shaft of the transmission case of the ground work equipment are interlocked with each other in the direction of their rotation axes. Since the cylindrical transmission case can also be expanded and contracted by sliding, even if the distance between the ridges is narrow, the width of the machine can be reduced by the work equipment of the control machine, and the machine can be controlled by both ends. This makes it possible to avoid problems such as the side end of the working device coming into contact with crops, etc. in the ridges adjacent to the ridge being worked on, and it has become possible to perform good management work without variation in the working effect between multiple rows.

Embodiments of the configuration of the present invention will be described below with reference to the drawings.

1 to 4 show a one-wheel walking type management machine that is equipped with three working devices 3. To explain its configuration in detail, the power take-off shaft 1 is attached to the rear part of the transmission case 2 which supports substantially one drive wheel W and has the power take-off shaft 1 protrudingly provided.
A transmission case 4 of a ground working device 3 consisting of a tillage rotary which is driven in conjunction with the rotary tiller is fixedly connected to the ground working device 3.

A drive shaft 4A protruding outwardly on both the left and right sides is installed on the connecting portion side of the transmission case 4, and the transmission cases 4 of a plurality of other ground working devices 3', 3' can be interlocked and connected to this drive shaft 4A. ', 4' are removably fixedly connected to the central transmission case 4 via cylindrical transmission cases 8, 8, respectively, which are in a horizontal position.

The cylindrical transmission case 8 has square pipe shapes 8a, 8
The free ends of the members b are inserted so as to be telescopic and fixed overlapping each other, and are held and fixed by the bolts 8d. or,
The horizontal transmission shafts 9, 9 as input shafts whose shaft centers coincide with the extension line of the shaft center of the drive shaft 4A are connected to the vertical transmission shaft 1 which transmits power to the ground work device 3' on the transmission case 4' side.
A transmission wheel 11 consisting of a drive bevel gear to zero is fixed and supported via bearings 12, 12 on the connecting portion side of the transmission case 4' of the working device 3'.
This horizontal transmission shaft 9 has a hexagonal cross section, and has a cylindrical member 13.
It is configured to be slidable in conjunction with the drive shaft 4A and the cylindrical transmission case 8 via. Since it can be slid and fixed in this way, the distance between the working devices 3, 3 can be adjusted according to the width of the furrow. (The adjustment range is 450 to 600 mm.) The transmission cases 4, 4' of the working devices 3, 3' are flange-connected at the middle part, and the longitudinal transmission shaft 10 has a hexagonal cross section and is connected to the transmission wheel 11. It can be inserted and slid into the transmission wheel 14 consisting of a transmission bevel gear that meshes with the flange, and when the connection at the flange is rotated 180 degrees to change the installation, the rotation direction of the working devices 3, 3' can be switched between forward and reverse. I can do it.

As shown in FIG. 3, the left and right ground working devices 3, 3' are configured to be vertically swingable and fixed around the axes of the cylindrical transmission cases 8, 8 with respect to the central ground working device 3. Therefore, the transmission case 4',
4' and the cylindrical transmission cases 8, 8, an assembly hole 15 of at least one flange of both 4', 8 is formed as a long hole extending in the circumferential direction. .

As shown in FIG. 4, even if there is a height difference in the bottom of the ridge, the work can be carried out at a constant plowing depth over each row.

Incidentally, although numbers are written in the claims section of the utility model registration for convenience of comparison with the drawings, the present invention is not limited to the structure of the attached drawings by such entry.

[Brief explanation of the drawing]

The drawings show an embodiment of the one-wheel walking management machine according to the present invention, in which Fig. 1 is an overall perspective view, Fig. 2 is an enlarged vertical cross-sectional view of a partially cutaway main part, and Fig. 3 is a cross-sectional view of - in Fig. 2.
A line sectional view, and FIG. 4 is an enlarged rear view of the main part. W... Drive wheel, 1... Power take-off shaft, 2...
Mission case, 3, 3'...Ground work equipment,
4, 4'...Transmission case, 4A...Drive shaft, 8...
...Cylindrical transmission case, 9...Input shaft.

Claims (1)

[Scope of utility model registration request] A transmission case 2 that substantially supports one drive wheel W and has a power take-off shaft 1 protruding from it.
It is a one-wheel walking management machine in which a transmission case 4 of a ground work device 3 which is driven in conjunction with the power take-off shaft 1 is fixedly connected to the rear of the machine. A drive shaft 4A protruding outward is installed, and the transmission cases 4' of a plurality of other ground working devices 3', which can be interlocked and connected to this drive shaft 4A, are each connected to each other via a cylindrical transmission case 8 in a horizontal position. The left and right ground work devices 3' are fixedly connected to the central transmission case 4 in a detachable manner, and the left and right ground work devices 3' are connected to the center ground work device 3 around the axis of the cylindrical power transmission case 8. The cylindrical transmission case 8 is configured to be vertically swingable and fixable, and the cylindrical transmission case 8 is composed of a double cylinder overlapped so as to be extendable and fixable in the left-right direction, and the drive shaft 4A
and the input shaft 9 of the transmission case 4' of the ground working device 3' which is interlocked and connected to this drive shaft 4A.
A one-wheeled walking type management machine characterized in that the two wheels are mutually interlocked and are configured to be slidable and telescopic in the direction of their rotational axes.