JPS62275602A - Working part rolling apparatus of combine - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

Detailed Description of the Invention 3. Detailed Description of the Invention Field of Industrial Application The present invention relates to a rolling device for a working part of a combine harvester, etc., and can be used as a rolling device for a combine harvester, a rice transplanter, a tractor working machine, etc.

Conventional technology In a configuration in which a working device is installed on a traveling vehicle body so as to be able to roll freely, a connecting cylinder portion containing a transmission shaft for transmitting power from the traveling vehicle body side to the working device side is fitted inside and outside in a double manner.
The fitting portion of the double connecting cylinders is configured to be rotatable around the axis to perform rolling control.

Problems to be Solved by the Invention In such a rolling device, the rolling axis is aligned in the front-rear direction of the traveling vehicle body, so that the state is as close to horizontal as possible. In configurations that must be configured in a horizontal state and have a large height difference in the transmission part between the traveling vehicle body and the work equipment,
There is a drawback that the configuration of this rolling portion becomes complicated.

Means for Solving the Problems This invention provides a member (2) on the side of the traveling vehicle body (1) and a member (4) on the side of the working device (3) that rolls with respect to the member (4), which is provided to be able to roll freely. The vertical sliding surface of the rolling metal (5) (61) (71 (81 part), the central part of which is the working device I + from the traveling vehicle body (1) side
A transmission hole (1ω) through which a transmission shaft (9) capable of transmitting power to the The working part rolling device of a combine harvester or the like is configured such that a rolling axis O1l extending in the front-rear direction is provided on a side part of the working part rolling device.

Effect of the Invention The working device (3) is propelled by the running of the traveling vehicle body (1) and performs a predetermined work, but the traveling vehicle body (]) and the working device (3) move to the left or right side with respect to the traveling soil surface. When the working part W (3) tilts, the working part W (3) turns toward the side opposite to this tilt and rotates the rolling axis 01) relative to the traveling vehicle body (1).
One working device that rotates around! +31 Maintain a constant working posture relative to the soil surface.

This rolling action is caused by the member (2) on the traveling vehicle body (1) side.
The rolling metal (6) of the member (4) on the working device (3) side slides on the sliding surfaces (7) and (8) facing each other with the rolling shaft (11) centered on the rolling metal (5). The rolling metal (6) rotates while guiding the movement, and when an external force is applied in the vertical direction when the working device (3) is working, the rolling metal (6) acts on the rolling metal (5) in a lateral direction around the axis. Also, the sliding surface (71 (81) of the upper end or lower end of this rolling metal (51 + 61, etc. prevent

When (6) rotates around the rolling axis (11) relative to the rolling metal (5), the rolling metal (5)
) side transmission hole (rolling metal (6) for 101)
Although the side transmission hole (1) is relatively shifted in the vertical direction, the transmission shaft (9) brings the working part W (3) into a transmission state from the traveling vehicle body (1) side.

Effects of the invention In this way, the rolling shaft (1
Rolling metal f5 that rolls relatively around υ
1 +61 is the vertical sliding surface (71 (81
By sliding contact, an oval-shaped transmission hole (1
[Two working devices (3) that guide at the upper or lower end
It is possible to perform a stable rolling action by reducing the vertical swing of
may be in the form of direct control along the inside of the transmission hole [+(l), and the configuration can be simplified.

Embodiments In FIGS. 1 to 6, a traveling vehicle body (11) has a pair of left and right traveling devices in the form of crawlers, and a traveling device (121) is connected to a transmission device at the front of the traveling vehicle body (1). The upper end of a pipe-shaped member (2) is pivoted about a horizontal axis (141) so as to be vertically movable on a transmission case (13) containing a transmission device, and the lower end of this member (2) The lower end of the pipe-shaped member (4) of the same type connected to the rolling metal f51 (61) is connected to the cutting blade device (I9, collecting device 119 for collecting and feeding the cut culm) of the cutting device (3).
, a reaping machine body (integrally installed in 1F3,
Rolling metal (51+61 are these parts (2)
It is integrally attached to the connecting end of (4).

The rolling metal (51+61) is a hole (1 (I) of the same shape that communicates with the pipe-shaped member (2) (41), and the sliding surface in sliding contact is parallel and has a surface perpendicular to the rolling axis OD. The outer periphery of the hole f11 is surrounded by an appropriate width, and a rolling metal (5
) side is positioned in front of the side edge (to) of the rolling metal (6) to form a guide groove shape, and the rolling shaft (lυ force) of the rolling metal (5) (6) is Prevents direction deviation.

The member (2) +41 has a downward slope in the front and has a hole (l[I
A transmission shaft (9) is provided in the member (2) (41) to transmit power from the shaft 04 to the transmission device of the reaping machine body.

Also, rolling metal +5) +6+ hole (11 diameter is
The above-mentioned elliptical rolling metal (5) may be provided with the same diameter as the hole diameter of the member (21 (4) part, but with a larger diameter than this, or with a larger diameter in the vertical direction than this)
(6) The hole in the end face (1 [1 shape may be formed longer vertically.

G! 11 is a weeding body, Qδ is a horizontal sensor that detects the horizontal state of the reaping work part [(3), and the opening is a bending link that can be opened and closed between the traveling vehicle body (1) and the rolling metal (5). Between it and the traveling vehicle body (1), an elevating cylinder 24 that expands and contracts by hydraulic pressure opens and closes back and forth, and the opening of this bending link allows the member f2) +41 and the reaping device (3) to be rotated upward around #04. It has a structure that allows it to be moved or lowered by closing.

A pair of left and right arms zs that are in a fixed position relative to the rolling metal (5) and are raised and lowered by opening and closing the bending ring opening.
+ Between the I2s and the fiF3 portion of the reaping machine body facing it, arm 4 is provided with a four-sided link mechanism that can be expanded and contracted up and down, and arm 12e is provided with a rolling cylinder that can be expanded and contracted by hydraulic pressure. , the horizontal sensor Q
3 detects the horizontal inclination of the working device (3) and expands and contracts the rolling cylinder 129 by switching the switching valve of the hydraulic circuit to keep the working device (3) horizontal regardless of the inclination of the traveling vehicle body (1). It has a configuration that allows rolling control in a posture like this. The rolling at this time is the above rolling metal +51
The rolling is performed centering on the rolling axis 00 between +61 and 00.

The vessel is a stock transfer device that holds the stock base of the culm harvested by the reaping device (3) and transfers it to the supply section of the threshing device located at the upper rear part. These are unit guide devices, which are provided so as to be adjustable up and down around the shaft 114), and are transmitted from this shaft (141). OD is a control device.

The collection route (2), which is the part where the culm is transferred and inherited to the stock transfer device (to) at the rear end of the collection device (1G), connects the front side of the rolling metals (5) and (6) to the rolling shaft 111.
It is configured to face toward the rear of the first side, and the stock base of the cut culm is transported along this collection and transportation route (toward).

By driving the traveling device (115), a combine harvester body consisting of a traveling vehicle body (1), a threshing device, a reaping device (3), etc. mounted thereon is propelled. By driving the shaft (141), the stock transfer device The transmission shaft (9) in the member (21 (4))
The transmission device in the reaping machine body (1) is interlocked, and each part of the working device (3) is transmitted.

The culm contained in the culminator 2++ is the culm raising [f
It is raised at +71, collected and collected from the left and right by the collecting device (IG), and then harvested by the cutting blade device (19).

This harvested husk culm is transferred by a stock transfer device 121 or the like at the rear end of the collecting device 1119, and is supplied to the threshing device.

When adjusting the reaping height or raising and lowering the reaping work equipment w(3), the member (
21 (41 etc.) is rotated around the axis 041.Also, when adjusting the feeding depth of the husk tip to the threshing device, the stock transfer device (21 etc. is rotated around the axis (14) Let them control it.

When the traveling vehicle body (1) tilts to the left or right while traveling on soft soil, the reaping device (3) also tilts,
The horizontal sensor (2δ) detects this inclination, operates the rolling cylinder blade to extend and retract, rotates the reaping machine body (Ill) around the rolling axis (11), and maintains and controls the reaping device (3) in a horizontal state. .

During such combine harvesting work, when the grass 2]) comes into contact with the soil surface, the reaping device I+31 will be pushed up, and the rolling metal (6) will be pushed up against (5) at its upper edge. Trying to be pressured. Conversely, when the reaping device (3) is not in contact with the soil surface, or when the shell culm lifting device (m) is used to raise the shell culm, the rolling metal (6) is strongly pressed at the lower edge.

Due to this action, rolling metal f51 +6
Even if the opening/closing action is applied to the sliding surfaces (7) and (8) between ), the rolling action will not be maintained smoothly because the sliding surfaces (n(8) are in sliding contact with the vertically long surfaces. , resulting in a stable configuration.

In Figs. 7 to 10, the difference from the upper side is that the rolling metal f51 (61 has a guide piece 0 between the upper edges).
3 and fixed to the rolling metal (5) side, the guide piece (to) is positioned in front of the upper edge (to) of the rolling metal (6), and the rolling guide is provided by fitting with the guide groove-shaped part. This prevents the upper edges of the rolling metals (5) and (6) from opening, which tends to open forward due to the weight of the reaping device (3), and also prevents this sliding surface (7
Prevent straw shoulders, etc. from falling on the gap between + +81.

Also, the rolling shaft (marked with this rolling metal f)
The cover 09 surrounding the rolling shaft (11) of 51 +61 is attached to the rolling metal (5) with the bolt (to).
From the sliding contact of the stock base of the culm attached to the side and transported through the collection route (to) of the collection device QGI, etc., wear of the rolling shaft flu part of the rolling metal f5) (61 etc.) and straw debris. etc. to prevent wrapping, etc.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, in which Fig. 1 is a partial side view, Fig. 2 is a front view thereof, Fig. 3 is a partial rear view, and Fig. 4 is a side sectional view, and Fig. 5th time is a side view, FIG. 6 is a front view of the same, FIG. 7 is a side view of a part of another embodiment, FIG. 8 is a front view of the same, FIG. 9 is a side view of the same, and FIG. 10 is a plan view of the same. It is. In the figure, code (1) is the running vehicle body, (2) is the member, (3) is the working device, (4) is the member, +51 +61 is the rolling metal, +71 (8) is the sliding surface, and (9) is the transmission. axis, O
l is the transmission hole, (1υ is the rolling axis.

Claims (1)

[Claims] Between the member (2) on the traveling vehicle body (1) side and the member (4) on the working device (3) side that rolls with respect to the member (2),
Rolling metal (5) that can be rolled freely (
In the vertical sliding surfaces (7) and (8) of 6), there is a transmission hole in the center for inserting a transmission shaft (9) that can transmit power from the traveling vehicle body (1) side to the working device (3) side. (10) is provided in an elliptical shape that is vertically inclined with respect to the sliding surfaces (7) and (8) and is long in the vertical direction, and the transmission hole (10) is provided in a side part along the front and back direction. A working part rolling device for a combine harvester, etc., which is provided with a rolling shaft (11).