JPH0627059Y2 - Combine - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a pre-mowing treatment mechanism for raising planted culms and cutting them back.
The vertical transfer device having a sideways transfer path that switches the grain culm cut by the precutting mechanism from the vertical transfer state to the throwing position in the sideways state before the threshing entrance, and the precutting device provided is a traveling machine body. Regarding the combine installed in.

[Conventional technology]

In this type of combine, in the conventional combine, the lateral position of the cutting pretreatment mechanism with respect to the traveling machine body is fixed.

[Problems to be solved by the invention]

Therefore, if the pre-mowing processing mechanism is moved to the uncut side (left side) and has a form suitable for turning and cutting, in the case of a split work form in which it is cut into the planted grain culm and cut, the right-hand running There are times when the equipment is used to traverse the planted culm, and vice versa.
When installed in the left-right intermediate position suitable for the split work mode, in the case of swivel work with the uncut land on the left side,
In some cases, the left traveling device was close to the uncut grain culms, and the grain culms were pushed down by the mud extruded by the traveling device.

Further, in the case of the ridge work in which the ridge is located on the left side, the grain culm in the sideways posture held by the feed chain located on the left side of the threshing device sometimes comes into contact with the ridge.

The purpose of the present invention is to add a new function to the pre-mowing treatment mechanism to solve the problems of the prior art and to smooth the subsequent conveyance from the pre-mowing treatment mechanism without particularly deteriorating the delivery to the threshing device. The point is to provide things.

[Means for solving problems]

The characteristic configuration according to the present invention is configured such that the pre-mowing treatment mechanism can be laterally adjusted with respect to the traveling machine body, and the plan view shape of the vertical conveyance device is a rear spread triangle that is laid sideways from the front of the device and spreads left and right toward the conveyance path. The vertical rear fulcrum is provided at the approximate left-right center of the sideways transport path that is installed toward the threshing entrance, and the front end side of the vertical transport device can be swung left and right around this rear fulcrum. In point.

[Action]

According to the above-mentioned characteristic configuration, the position of the cutting pretreatment mechanism can be set with respect to the traveling machine body according to the work form, and when performing the mowing work, the precutting treatment mechanism is brought closer to the uncut side, and the traveling device is relatively disposed. The distance from the planted grain culms is increased to reduce the mud pushing effect on the planted grain culm, and when performing split work, the cutting pretreatment mechanism is placed in the center of the left and right of the traveling machine body, and the right traveling device. It is possible to prevent the planting culm from being stepped down by the right traveling device by locating the right end of the reaping device in the vicinity of the planned passage line of.

Since the vertical transport device can be swung around the rear fulcrum of the rear part, the front end of the vertical transport device that receives the harvested culm from the pre-mowing treatment mechanism can be moved following the rear end of the pre-mowing treatment mechanism. , It is possible to suppress mutual positional deviation.

In addition, referring to FIG. 1 and FIG. 2, even when the longitudinal transfer device (6) swings around the rear fulcrum (Y), the thresher entrance end (5A) and the sideways transfer path (a ) It is possible to suppress changes in the space (l ₁ ) and (l ₂ ) between the left and right ends (b) and (c) in the aircraft front-back direction. In other words, when the rear fulcrum (Y) is laid sideways and provided on one side of the conveyance path (a), the distance between the rear fulcrum (Y) and the other end (b or c) that are offset, (substantially The distance between the left and right ends (b) and (c) is the radius, and the other end rotates. Therefore, the turning radius is the rear fulcrum (Y) at the center of the left and right ends (b) and (c).
When the vertical conveyor (6) swings at the same angle, the other end (b or c) and the thresher inlet tip (5A) are swung by the vertical conveyor (6). ) Is larger than the above-mentioned distance (l ₁ or l ₂ ).

Therefore, the interval (l ₁ ), the change of (l ₂ ), that is, the change of the delivery point between the vertical conveyor (6) and the feed chain (8), and the vertical conveyor (6) and the threshing entrance Since the change in the interval is suppressed, it is possible to suppress the deterioration of the feeding to the threshing device (5) on both the stocker side and the tip side.

[Effect of device]

As a result, it is possible to take a mowing posture according to the mowing work mode, and by the rocking operation of the vertical transfer device and the rational selection of the rocking fulcrum position, it is possible to further reduce the transfer trouble to the threshing device and improve the threshing recovery efficiency. It could be improved.

〔Example〕

As shown in FIG. 4, the combine is a raising device (2) for raising the planted culm sown by the weeding tool (1), and a mowing device (3) for cutting the culm after the raising. , A packer (4) that focuses the harvested culm in the center of the cutting width, a vertical transport device (6) that transports the focused culm toward the rear threshing device (5), and a lateral side of the vertical transport device (6). It is provided with a driver's seat (7) arranged.

The vertical transfer device (6) is provided with a tip locking transfer device (6A) for locking the tip side and a stock holding device for holding a stock (6B), and a transfer grain culm sent in a vertical position. In front of the threshing entrance, there is a sideways transporting path (a) in which the tip side is laid down on the side opposite to the side where the feed chain (8) is present.

Next, as shown in FIG. 1 and FIG. 2, the weeding tool (1), the raising device (2), the mowing device (3), the packer (4), etc. are referred to as a pre-mowing treatment mechanism (9). , This throwing pretreatment mechanism (9) threshing equipment
(5) and the driver's seat (7) are horizontally slidable with respect to the traveling machine body (11). That is, left and right weeding equipment
(1) and (1) are supported by a pair of left and right forward and backward frames (13), which also serve as weeding tool support, and a reaping device (3) is laid across the rearward and forward frames. (1
A mechanism (14) is provided that slides 3) and (13) left and right to integrally slide the entire pre-mowing treatment mechanism (9). As shown in FIG. 3, this sliding drive mechanism (14) is a front-back frame.
(13), (13) Left and right transmission cases (17), (18) that erected and support one spiral shaft (15) and a transmission shaft (16) inside, and the left and right transmission cases (17), ( 18) Intermediate transmission case (1
9) and, by fixing the intermediate transmission case (19) to the front end of the front-back facing main frame (20) that also serves as the transmission case and extends from the front end of the traveling body (11), the engine (E) Is receiving the power of. In the intermediate transmission case (19), the cylindrical shaft (21) spline-fitted to the transmission shaft (16) is bearing-supported, and the cylindrical shaft (21) and the main frame are also supported.
(20) A bevel gear transmission mechanism (23) is mounted between the inner output shaft (22) and the inner output shaft (22). At the ends of the transmission shaft (16) and the spiral shaft (15) located inside the right transmission case (18), the output sprockets are respectively attached.
The (24) and the input sprocket (25) are mounted, and the chain transmission mechanism (26) is formed. The spiral shaft (15) forms an endless spiral groove (15A) on the outer peripheral surface, and a top member (31) having a protrusion that engages with the spiral groove (15A) is fixed to the intermediate transmission case (19). ing. So the spiral axis
When the (15) is rotated around its axis (X), the spiral shaft (15) reciprocates in the direction of the axis (X) and moves left and right with respect to the intermediate transmission case (19).

Therefore, the engine power is the bevel gear transmission (23),
It is transmitted to the spiral shaft (15) via the transmission shaft (16) and the chain transmission mechanism (26), and the cutting pretreatment mechanism (9) can be laterally adjusted. A clutch sleeve (27) is spline fitted onto the end of the spiral shaft (15) (in this case, the input sprocket (25) is loosely fitted onto the spiral shaft (15)). (27) is provided with an engagement protrusion that is inserted into the engagement hole of the input sprocket (25) to integrate the clutch sleeve (27) and the input sprocket (25), and the input sprocket (25) of the clutch sleeve (27) is provided. ), The on-off clutch structure (28) is constituted. That is,
When pushing and pulling the shifter (32) with respect to the clutch sleeve (27) with a solenoid valve (not shown) to adjust the left and right position of the pre-cutting mechanism (9), insert the clutch sleeve (27) into the input sprocket (25). ) And the spiral shaft (15) is rotated. When the position adjustment is completed, the clutch sleeve (27) may be disengaged.

With the above configuration, when performing uncut cutting with the uncut side on the left side, as shown in FIG. 2, the pre-mowing processing mechanism (9) is located on the left side of the traveling machine body (11). Therefore, the uncut grass culm is pushed down by the mud extruded by the running device by taking a large distance between the left running device (not shown) and the uncut culm by moving it closer to the uncut field. In this case, the driver's seat (7)
Since the rightmost weeding tool (1) located in front is also deviated to the left obliquely forward, it becomes easy to visually check the state of the culm weeding of the weeding tool (1) from the driver's seat (7). Therefore, this right edge weeding tool
Since (1) is arranged along the outermost row on the uncut side, a steering operation is performed, so that the steering operation becomes easier.

A vertical rear fulcrum (Y) is set at the position corresponding to the center of the width of the vertical transfer device (6) and the front of the central position of the threshing entrance. The vertical transmission case (30) for supplying power to the stock holding device (6B) and the tip locking transfer device (6A) is installed, and the main frame (20) is provided at the front end of the traveling machine body (11). A lateral transmission case (29) for supporting is provided, and the vertical transmission case (30) is supported with respect to the lateral transmission case (29). Further, the vertical transfer device (6) and the transmission case for the raising device (2) are connected by the connection (33), and the axis (Y) of the vertical transmission case (30), that is, the vertical transfer post fulcrum (Y The vertical transport device (6) is swingable to the left and right around the center.

The delivery structure between the feed chain (8) and the vertical transfer device (6) is as described in the section [Operation]. At this time, although not shown, a rubber plate-shaped delivery plate was installed from the rear end of the vertical transfer device (6) to the threshing device (5) entrance paddy receiving part, and the vertical transfer device (6) is rocked. Also, the threshing device (5) may be configured so that the entrance of the threshing device (5) can be delivered well.

[Another embodiment]

 (A) Only the mowing device (3) may be moved laterally.

(B) A hydraulic cylinder may be used as the lateral sliding drive mechanism of the pre-mowing treatment mechanism (9), or a device other than a spiral shaft may be used. Alternatively, the vertical transport device (6) may be independently swung around the vertical fulcrum (Y).

(C) The vertical transfer device (6) is configured to be vertically swingable around the axis (Z) of the horizontal transmission case (29) by the hydraulic cylinder (34) with respect to the main frame (20), so It may be configured to be capable of controlling the height.

It should be noted that reference numerals are added to the claims of the utility model for convenience of comparison with the drawings, but the invention is not limited to the structure of the accompanying drawings by the entry.

[Brief description of drawings]

The drawings show an embodiment of the combine according to the present invention. Fig. 1 is a plan view showing a state in which the pre-mowing treatment mechanism is switched to the split cutting work mode, and Fig. 2 is a diagram showing the harvesting pre-processing mechanism switched to the swivel cutting work mode. FIG. 3 is a plan view showing a state in which the cutting operation is performed, FIG. 3 is a configuration diagram showing a power transmission structure to the cutting operation pretreatment mechanism, and FIG. 4 is a side view showing the cutting operation pretreatment mechanism. (6) …… Vertical transporting device, (9) …… Mowing pretreatment mechanism, (11) …… Traveling machine, (a) …… Landing transporting route, (Y) …… Vertical rear fulcrum.

Claims (1)

[Scope of utility model registration request] 1. A pre-mowing treatment mechanism for raising planted culms and mowing them afterward.
(9) and the vertical transfer device (6) having a sideways transfer route (a) for switching the grain stalks mowed by the pre-reaping processing mechanism (9) from the vertically-oriented transfer state to the throwing position in the sideways state before the threshing entrance (6). ) Is a combine in which the provided mowing pretreatment device is attached to the traveling vehicle body (11), and the lateral movement adjustment of the mowing pretreatment mechanism (9) is possible with respect to the traveling vehicle body (11). The vertical conveyance device (6) is configured so that the plan view shape thereof is a rear spreading triangle that spreads from the front of the device to the sideways conveyance route (a) to the left and right, and is installed toward the threshing entrance. A vertically-oriented rear fulcrum (Y) is provided at a substantially left-right center position of the laid-down conveyance path (a), and the front end side of the vertical conveyance device (6) can be horizontally swung about the rear fulcrum (Y). I have a combine.