JPH0767349B2 - Long culm culm transporter for crop reaper - Google Patents

Description

TECHNICAL FIELD The present invention relates to a long culm crop reaper for cutting grass and other long culm crops.

○ Conventional technology In this type of long culm crop reaper, a rotary cutting blade is provided in the lower center of the mowing section, and an upper transfer device and a lower transfer device are provided above the rotary cutting blade to move the cut crop to the side of the machine. It is configured to be transported.

Japanese Examined Patent Publication No. 55-1770 “Long-drying grass reaper” discloses a configuration in which a single horizontal conveying device provided above a rotary cutting blade can be vertically moved.

Further, Japanese Utility Model Publication No. 53-15722, "Long-and-short culm transport adjusting device in a self-removing combine," discloses a configuration in which the height of the lower transport device is changeable with respect to the upper transport device.

○ Problems to be solved by the present invention In a long culm crop reaper having an upper transporting device and a lower transporting device, when the upper and lower positions of both transporting devices are fixed, when the position is set corresponding to a short culm crop. There is a drawback that it is not possible to cut long culm crops, resulting in poor transportation.

In the case of applying the known technology of the above-mentioned Japanese Utility Model Publication No. 53-15722 to a long culm crop reaper having an upper transfer device and a lower transfer device, the vertical position of the transfer device is changed according to the length of the cut long culm crop. However, there is a problem in that the culm release becomes uncertain due to the disturbance of the culm release due to the length of the harvested culm.

An object of the present invention is to eliminate the above-mentioned drawbacks of the prior art and to ensure the release of culms in mowing both short culm crops and long culm crops.

In the present invention, the rear end of the transfer device (1) or (2) is extended to the outside of one traveling wheel (21), and the raising device (3) is transferred to the transfer device. The transfer devices (1) and (2) are inserted in the upper and lower intermediate parts of the upper transfer device (1) and the lower transfer device (2) on the side opposite to the projecting side, and the transfer devices (1) and (2) are substantially parallel. In addition to the above, the working surfaces (1a) and (2a) of the respective conveying devices are arranged in a lateral direction of the machine body and in a slanted manner from the front side to the rear side of the machine body in plan view.

○ Operation Mowing length culm When changing the vertical position of the transport device according to the length of the crop, the height of the upper transport device (1) can be freely changed while keeping the height of the upper transport device (1) parallel to the lower transport device (2). , The harvested crop is conveyed laterally and outward of one of the traveling wheels 21 in an inclined direction in plan view.

Example In reference to FIGS. 1 and 2, the mowing section (A) is integrated with the traveling drive section (B) through the connecting plate (10) and the small wheels (5) (5). Mowing frame supported by (4)
Is provided, the grass body (6) is attached to the tip of the mowing frame (4), the rotary cutting blade (7) is provided below the center of the mowing section (A), and the mission case (22) of the traveling drive section (B) is provided. A transmission case (8) supported by the connection plate (10) fixed to the cutting board and the reaping frame (4) is provided. Aircraft width center line (X-
X) The cutting blade shaft (7a) is projected downward from the transmission case (8) at the upper position, the rotary cutting blade (7) is fixed to the cutting blade shaft (7a), and the lateral position of the transmission case (8) is set. More horizontal transport support tube (1
1) and the horizontal transport drive cylinder (12) are projected, and the horizontal transport support cylinder (11) and the horizontal transport drive cylinder (12) are vertically separated into two upper and lower portions at appropriate intervals so as to overlap with each other. As shown in FIG. 2, the conveying device (1) and the lower conveying device (2) have one end of the upper conveying device (1) extended outward of one wheel, and the raising device (3) is provided with the raising device (3). (1)
(2) is inserted into the upper and lower intermediate parts of the upper transfer device (1) and the lower transfer device (2) on the side opposite to the projecting side, and the transfer devices (1) and (2) are installed in a substantially parallel shape. In addition, the action surfaces (1a) and (2a) are arranged in a plane view so that the rear side of the conveyance is the rear side of the machine body in the lateral direction of the machine body.

Regarding the support structure of the upper transfer device (1) and the lower transfer device (2), the upper transfer device (1) is supported by the lateral transfer drive cylinder (12) via the expansion and contraction support mechanism (C), and the upper transfer device (1) is supported. ) Is vertically movable, and the lower transfer device (2) is fixed to the horizontal transfer drive cylinder (12) at a predetermined position. In the embodiment, the upper transfer device (1) and the lower transfer device (2) are supported not only by the horizontal transfer drive cylinder (12) but also by the horizontal transfer support cylinder (11). The upper transfer device (1) is fixed to the transfer support cylinder (11).
Through the auxiliary telescopic support mechanism (C) '
Although it is also supported by 1), it is needless to say that the horizontal transport support cylinder (11) can be omitted and the upper transport device (1) can be supported only by the horizontal transport drive cylinder (12).

As shown in FIG. 3, the telescopic support mechanism (C) allows the lateral transport drive shaft (14) to extend and retract by the spline engagement (13), and the telescopic fixing tool (15) causes the lateral transport drive shaft (14) to transport the upper portion at a predetermined position. The device (1) can be fixed to the lateral transport drive cylinder (12). The auxiliary expansion and contraction support mechanism (C) 'has a structure in which the inner cylinder and the outer cylinder are simply expandable and contractible as shown in FIG. 4, and fixing means may be omitted, but the auxiliary expansion and contraction supporting mechanism (C)' can be fixed by attaching and detaching pins, bolts (16) and the like. Good.

Instead of the spline engagement (13) of the telescopic support mechanism (C),
The drive side (14) is connected by the connection structure by fitting the pin hole and the pin, and the engagement structure such as transmission by the engagement of the key groove and the key.
Of course, it is possible to connect a) and the driven side (14b) to be able to extend and contract. Further, the expansion / contraction fixing tool (15) is a tightening tool (15a) such as a screw or a bolt attached to the upper part of the lateral transfer drive cylinder (12) having an expansion and contraction structure of the outer cylinder (12a) and the inner cylinder (12b). Although it is configured, a fixing plate having a large number of through holes is fixed to the outer cylinder (12a) and the inner cylinder (12b), and the fixing plates having a plurality of through holes are partially aligned with each other at desired relative positions. It may be configured such that a connecting position can be adjusted vertically by penetrating a bolt or the like.

Further, it may be configured by a hydraulic mechanism, a rack mechanism or the like so that an operator can vertically move the upper conveyance device (1) at a handle position by a hydraulic operation, a mechanical operation (manual wire) or the like.

The traveling drive unit (B) includes traveling wheels (21), a mission case (22), an engine bed (23), an engine (24), a transmission case (25), a handle rod (26), and the like. It is transmitted to the bevel case (9) via the drive shaft (17) in the (27), and the shaft (1
Drive the moving device (3) via the 8) and the cutting blade drive tube (1
The cutting blade drive shaft (20) in 9) drives the rotary cutting blade (7) through the rotary cutting blade (7) through the cutting blade shaft (7a) and the cutting blade drive shaft (20) and the transmission case. It is transmitted to the horizontal transport drive shaft (14) in the horizontal transport drive cylinder (12) via (8), and the horizontal transport drive shaft (14) drives the upper transport device (1) and the lower transport device (2). The operation lever (28) projecting upward of the mission case (22) is operated to connect and disconnect the transmission from the engine (24) to the drive shaft (17) to operate and stop the reaper (A). Is free.

When cutting long culm crops, the inverted culms are moved to the rear of the machine while being raised by the raising device (3), and are raised and conveyed by the raising device (3) near the machine center line (XX). The upper transfer device (1) and the lower transfer device (2) take over lateral transfer. In this way, the transfer to the lateral conveyance is intensively performed at the substantially central position in the machine width direction.

The lower transfer device (2) is fixed at an optimum position determined by the relationship between the cutting timing and the conveyance and holding of the cut crop, and always acts on the lower part of the cut crop at a fixed position. On the other hand, the upper transfer device (1) is in a position where it overlaps with the lower transfer device (2) when viewed in parallel [it does not need to be completely overlapped and may be in a partially overlapped position. The object of the present invention can be achieved if the transfer devices (1) and (2) work], and since the distance l with the lower transfer device (2) is adjustable, the upper and lower positions of the upper transfer device (1) can be adjusted. , The length is changed by the operation of the expansion and contraction support mechanism (C) according to the culm length of the harvested crop, and adjustment is made so that the ears are conveyed in the leading edge state.

Therefore, regardless of whether the long culm, the short culm, or the type of crop is changed, the harvested crop can be smoothly laterally conveyed toward the side of the machine in the tip leading state. At this time, the working surface (1a) (2a) of each transfer device
By arranging the machine in a lateral direction in a plan view and inclined from the front of the machine to the rear side, the harvested crop is conveyed laterally and outward of one of the traveling wheels (21) in the plan view oblique direction,
The discharge position of the culm is set to a position protruding to the outside of the traveling wheel (21).

Further, when changing the vertical position of the transfer device, the height is changed while the upper transfer device (1) is kept parallel to the lower transfer device (2), so that the transfer action surface of the culm is constant. Therefore, when the culm is laterally conveyed, there is no disturbance in the posture of the culm, and the discharge of the culm is not disturbed.

FIGS. 5 and 6 show a belt pressing device (30) in a belt transmission mechanism such as a transmission case (25) of a traveling drive unit (B), which shows a wheel (drive pulley, driven pulley, The belt pressing plate (31) (31) is provided to face the intermediate pulley (34) at an appropriate interval. The belt pressing plate (31) is attached to the belt pressing plate (32) like a conventional device. No fixed, pivotally supported by the support shaft (33)
The pressing piece (31a) can be freely rotated to the open position shown in the figure.
By pushing in the direction of (a), the action piece (31b) is configured to rotate in the direction of (b) to enable the attachment / detachment operation to / from the wheel (34).
Belt retainer mounting plate (3) when removing the belt (29)
The work of attaching and detaching in 2) is unnecessary. Therefore, the distance between the rolling wheel (34) and the belt pressing plate (31) can be maintained at the factory assembled state. (35) is a spring body for maintaining the belt pressing plate (31) at a desired position regulated by the stopper (36), (3
7) is a mounting bolt for fixing the belt retainer mounting plate (31) at a proper position on the machine body.

Effect of the Invention In the present invention, since the lower transfer device and the upper transfer device can be adjusted up and down, the upper transfer device can be fixed at an appropriate working position according to the culm length of the crop, and by fixing it to the lowest position, the machine height can be increased. This has the effect of reducing the size and making the device compact and easy to pack and carry.

Change the culm length of the harvested crop (short culm) by fixing the lower transporter to the optimum position determined by the relationship between the harvest timing of the harvested crop and the transport holding, and adjusting the vertical position of the upper transporter according to the culm length of the harvested crop. , Long culm).

Furthermore, the rear end of the transfer device (1) (2) is extended to the outside of one traveling wheel (21), and the raising device (3) is connected to the extension side of the transfer device (1) (2). On the opposite side, the upper transfer device (1) and the lower transfer device (2) are inserted into the upper and lower intermediate parts, and the transfer devices (1) and (2) are installed in a substantially parallel shape, and the operation of each transfer device is improved. Since the planes (1a) and (2a) are arranged in the lateral direction of the machine body in a plan view and inclined from the front side to the rear side of the machine body, the harvested crop is conveyed laterally and outwardly of one of the traveling wheels 21 in the oblique direction in the plan view. By doing so, the culms can be released by the traveling wheels 21.
The culm is surely discharged by setting it to the position that is projected outward.

In addition, the lower transfer device (2) is compared to the upper transfer device (1)
Since the height of the culm can be changed while maintaining the parallel state, the culm's conveying surface is constant and there is no disturbance in the posture of the culm during lateral conveyance of the culm, and there is no disturbance in the discharge of the culm. Is surely released.

That is, as a culm conveying device of a long culm crop reaper, a wide range of cutting crop adaptation, by adjusting the upper and lower position of the upper conveying device according to the crop, it can be conveyed laterally laterally at the optimum position, There is an effect that the harvested crops can be transported smoothly and reliably.

[Brief description of drawings]

FIG. 1 is a side view of a long culm crop reaper showing an embodiment of the present invention. FIG. 2 is a plan view of the same. FIG. 3 is a vertical sectional view of the telescopic mechanism, and FIG. 4 is a longitudinal sectional view of the auxiliary telescopic fixing mechanism. FIG. 5 is a side view of the belt pressing device, and FIG. 6 is FIG. 5S.
It is a sectional view taken along the line -S. 1 …… Upper transfer device 2 …… Lower transfer device 15 …… Extension fixture C …… Expansion support mechanism

Claims (1)

[Claims] 1. A long culm crop reaper having an upper transfer device (1) and a lower transfer device (2) for transferring a harvested crop toward the sides of the machine body, the method comprising: The end portion is extended to the outside of one traveling wheel (21), and the raising device (3) is arranged on the side opposite to the extension side of the conveying devices (1) and (2) and the upper conveying device (1) and the lower conveying device. Equipment (2)
The transfer devices (1) and (2) in a substantially parallel shape, and the operation surfaces (1
a) (2a) is tilted from the front to the rear of the machine in a horizontal direction in plan view, and the height of the upper transfer device (1) is maintained parallel to the lower transfer device (2). A culm-carrying device for a long-crop crop reaper, which freely conveys a harvested crop laterally and outward of one traveling wheel (21) in an inclined direction in a plan view.