JPH07108145B2 - Combine grain culm transfer supply device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine culm transfer and supply device for combine harvesters, which transfers and cuts cut culm to a threshing device, and smoothly transfers it from the terminal end of the transfer device to the grain stalk supply funnel of the threshing device. It is what you want to do.

[0002]

2. Description of the Related Art A grain culm transfer device for feeding grain culms to be harvested by a reaper to a threshing device is provided with a transfer end portion of the grain culm by adjusting the up / down of the reaper and / or the vertical movement of the grain culm transfer device itself. The position of the threshing device in relation to the grain culm feeding funnel is changed. At this time, the gap between the terminal end of the grain culm transfer device and the supply funnel is closed to reduce the scattering and leakage of the grain, and to maintain the good succession of the supply of the grain culm, the rubber dripping on the plate is performed. Etc. are provided (see, for example, Japanese Utility Model Laid-Open No. 57-98733).

[0003]

Even in such a form, there is still grain leakage. Especially on the tip side of the grain culm,
It is easy for the grains to be scattered toward the tip side, so that
A guide plate such as a rubber plate along the inside of the hard wall surface is also provided at the tip portion, but if such a rubber plate is bent over the bottom surface and the hard wall surface, the rigidity of the rubber plate itself becomes strong. In many cases, the tip does not contact the top surface of the supply funnel sufficiently.

[0004]

According to the present invention, an upper surface of a feed funnel 3 in front of a grain culm feed port 2 of a threshing device and an end portion of a grain culm transfer device 4 for transferring a cut grain culm to the feed funnel 3. In between, consisting of an elastic plate such as a rubber plate for inheriting and guiding the transfer grain culms of the grain culm transfer device 4, the bottom start end is attached to the grain culm guide cover 5 covering the end part of this grain culm transfer device 4,
The tip end side portion is bendable so as to follow the tip end side rigid wall surface 6 of the grain culm supply funnel 3, and the tip end side start end portion is provided between the grain culm and the support member 7 on the back side of the grain culm guide cover 5. transfer
The structure of the combine grain culm transfer and supply device is provided with a guide plate 8 that is slidably received in the front-back direction .

[0005]

In the combine operation, the grain stalks harvested by the harvesting device are transported by the grain stalk transferring device 4, and are transferred from the transfer end portion onto the guide plate 8 and onto the supply funnel 3. It is supplied to the threshing device 1 from the grain culm supply port 2 and threshed. The bottom of the guide plate 8 is in contact with the upper surface of the feed funnel 3 on the lower side, and the side of the tip is along the hard wall 6 of the tip,
Moreover, even if the terminal end portion is changed in the relative position with respect to the supply funnel 3 due to the vertical rotation of the grain culm transfer device 4 or the like, the guide plate 8 on the side of the tip is provided on the rear surface side of the guide cover 5. Since the lower surface of the guide plate 8 is supported and guided by the support member 7 and can be slid back and forth, the terminal edge of the tip side portion of the guide plate 8 is always in a state of being easily in contact with the supply funnel 3, and extends from the bottom portion to the tip side hard wall surface 6. Keep the feed funnel 3 closed.

[0006]

As described above, the guide plate 8 is bent along the supply funnel 3 from the bottom portion to the tip side hard wall surface 6. The tip side starting end portion of the guide plate 8 is the back surface of the guide cover 5. Since the guide plate 8 is slidably received back and forth on the side, the end portion of the guide plate 8 slides on the surface of the supply funnel 3 regardless of the change of the rotational position of the relationship between the supply funnel 3 and the grain transfer device 4. Contact
The effect of preventing the scattering and leakage of the grains from the supply funnel 3 can be enhanced.

[0007]

EXAMPLES In the illustrated example, the supply funnel 3 is located in front of the handling barrel chamber 10 in which the handling barrel 9 of the threshing apparatus 1 is installed,
The bottom edge of the grain culm supply port 2 of the handling barrel room 10 is surrounded, and the plant side is brought close to the grain culm transfer device 11 for sandwiching and transporting the plant side of the culm, and the tip side is appropriately moved upward. The rigid wall surface 6 is provided by being bent at the height of.

The grain culm transfer device 4 comprises a stock source transfer device 17 composed of a chain 12 for holding and transferring the stock side and a holding rod 13,
And a ears 14 transfer device 16 for arranging the lugs 14 in the chain 15 at regular intervals.
A grain culm guide cover 5 that guides the grain culms to be transferred is provided between the ridges 6 and along the upper side of the head portion transfer device 16. 18 is
A support frame for tensioning the chains 12, 15 and the like, a holding rod 13,
And a guide rod 19 along the tip of the lug 14 is a connecting frame.

The guide plate 8 is made of a plate material such as a rubber material or a cloth material, and is separated into the root side and the tip side, and the two are appropriately polymerized. The guide plate 8 on the stock root side is provided with a grain culm guide cover 5 between the stock source transfer device 17 and the head transfer device 16.
The end edge of the guide plate 8 is attached to the end of the feed funnel 3.
Touches the upper surface of. The guide plate 8 for the tip portion is attached to the terminal end portion of the grain culm guide cover 5 covering the ear portion transfer device 16, but the attachment portion 20 is only the front edge portion of the bottom portion 21 and the tip side of the bottom portion 21. From the portion through the bent portion 22 to the hard wall portion 2
As for the tip side portion extending over 3, the front end is extended to a state in which it is superposed more forward than the terminal lower surface portion of the grain culm guide cover 5, and the back side surface of the tip side portion of the guide plate 8 is supported by the support member 7
In contrast, it is slidable back and forth. The terminal edge of the tip side guide plate 8 is also in sliding contact with the upper surface of the supply funnel 3 or the hard wall surface 6 in the same manner as described above.

With respect to the support frame 25 on the chassis 24,
A reaper frame 29 is provided so as to be movable up and down by the vertical links 26, 27 and a hydraulic cylinder 28 that moves the links vertically.
The reaper frame 29 includes a weeding frame 30, a grain culm raising device 3
1, a cutting blade device 32, a grain culm collecting and feeding device 33, and the like are provided so as to be transmitted from a transmission mechanism in the reaper frame 29. The grain culm transfer device 4 pivots the transfer end portion around the shaft 34 of the pivotal support portion with the link 26 at the upper end of the reaper frame 29 so as to move vertically to the front end portion, and pivots vertically with respect to the link 26. A support guide roll 36 of the grain culm transfer device 4 is attached to the support rail 35.
By rotating the support frame 25 up and down via the rod 38 by the servomotor 37 attached to the support frame 25, the inheritance position of the grain stalks inherited from the feeding device 33 is changed to the stocker side. Or, it is configured to change and adjust to the tip side. This change adjustment is performed by the grain culm transfer device 4
In the middle of the process, a grain culm supply depth sensor 39 for detecting the tip position of the grain culm is provided, and the servomotor 37 is rotated by the detection of the grain culm by the supply depth sensor 39 to rotate the threshing device 1
The control interlocking structure may be configured to make the supply depth of the grain culms to the plant constant.

Reference numeral 40 is a traveling device, and 41 is a control device.
The grain culms cut by the cutting blade device 32 are collected by the collecting device 33 and inherited by the grain culm transfer device 4. The stock root side is held by the stock root transfer device 17, the ear part side is engaged and guided by the ear part transfer device 16, and at the end part, the guide body 8 continuously provided from the grain culm guide cover 5 to the lower rear part. Guided by
It is inherited on the feeding funnel 3. Stock Transfer Department is stock transfer device 17
Is transferred to the grain culm transfer device 11 from the end, and the ears are supplied from the supply funnel 3 through the grain culm supply port 2 to the handling barrel 10 and threshed.

When adjusting the mowing height, the hydraulic cylinder 28 is expanded and contracted to move the mowing frame 29 up and down via the links 26 and 27 by a four-point link mechanism. Further, the grain culm transfer device 4 detects the tip position of the grain culm by the setting position of the supply depth detection sensor 39, and when the supply depth is too shallow or too deep, the servo motor 37 is interlocked with the rail 35.
To rotate the grain culm transfer device 4 up and down to control the supply depth to an appropriate position.

When the grain culm transfer device 4 is vertically moved or moved up and down by the shaft 34, the links 26, 27, etc., the relationship between the guide plate 8 and the supply funnel 3 changes, but the guide plate 8 The terminal edge is always in contact with the upper surface of the supply funnel 3 to allow smooth operation on the tip side of the grain culm, and the gap between the bottom and the hard wall on the tip side is reduced to prevent leakage of the grain to the front or tip. Prevent scattering to the side.

The tip side guide plate 8 forms a bent portion 22 so that the bottom portion 21 and the hard wall portion 23 are brought into sliding contact with the surfaces of the corresponding supply funnels 3, and the portion extending from the bent portion 22 to the hard wall portion 23. The front end portion of the support member 7 integrated with the grain culm guide cover 5
On the other hand, since the back surface is guided to slide back and forth,
As the grain culm transfer device 4 moves up and down, the guide plate 8
The vertical movement of the terminal edge portion of the tip end side portion is smooth, and sliding contact with the surface of the supply funnel 3 is easy.

[Brief description of drawings]

FIG. 1 is a partial perspective view of a combine.

FIG. 2 is a side view showing a partial cross section of the combine.

FIG. 3 is a plan view of a part of the combine.

FIG. 4 is a rear cross-sectional view of a part of the combine.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Threshing device 2 Grain cullet supply port 3 Supply funnel 4 Grain culm transfer device 5 Grain culm guide cover 6 Tip side hard wall surface 7 Supporting member 8 Guide plate

Claims (1)

[Claims] 1. Transfer of the grain culm between the upper surface of the feed funnel 3 in front of the grain culm supply port 2 of the threshing device 1 and the end portion of the grain culm transfer device 4 for transferring to the feed funnel 3 of the cut grain culm. The device 4 is made of an elastic plate such as a rubber plate for inheriting and guiding the transferred grain culm, and the bottom start end is attached to the grain culm guide cover 5 that covers the terminal end of the grain culm transfer device 4 and the tip side part supplies the grain culm. bends freely in order to extend along the fore side hard wall 6 of the funnel 3, and the supporting portion of the tip-side start end portion on the rear surface side of該穀稈案the cover 5
A combine grain culm transfer and supply device, which is provided with a guide plate 8 that is slidably received back and forth along with the grain 7 in the grain culm transfer direction .