JPS5926820Y2 - reaper - Google Patents

Description

[Detailed description of the invention] This invention uses a locking pawl that moves from the front lower part of the machine body toward the rear upper part in the stem culm introduction path to the reaping device to guide the stem culms that are not to be harvested to the lateral side of the machine body. This invention relates to a reaper equipped with a rotary type forced weeding device.

This type of reaper forcibly raises even if the stem culm has fallen down on the side of the target stem culm, ensuring that the non-reapable stem culm can be separated, and the non-reapable stem culm becomes the target stem culm. This prevents the stem culm that is not to be harvested from being pulled out and the tip of the stalk from being squeezed and shedding due to the pulling action.

However, in the past, in order to reliably pull up the lodging stem culm, the operating position of the locking claw was specified to be perpendicular to the direction of movement or close to it, so strong lifting was not required. Even in such cases, there is a problem in that a stronger pulling action than necessary is applied to the stem culm, causing the stem culm to be pulled out, the panicle to break, or grains to fall off.

In view of the above points, the present invention is based on the situation of the target stem culm.
The purpose is to obtain a good weeding action capable of suppressing damage caused by locking claws on stem culms as much as possible while obtaining a sufficient pulling action.

Next, embodiments of the present invention will be described in detail based on the drawings.

A pulling device 1 that pulls up planted stem culms in the field, a reaping device 2 that reaps the lifted stem culms, and a feed chain 3 that changes the posture to an almost horizontal position while conveying the cut stem culms to the rear upper part of the machine body. A reaping section 6 is configured in which conveying devices 4 are successively connected to the combine harvester, and the harvesting section 6 reaps the planted stalks and culms in the field and supplies them to the threshing device 5.

The lifting device 1 on the outside of the fuselage structure away from the control section 7
A forced weeding device 8 is provided with its front end positioned to the side of the stem culm introduction path R to the reaping device 2 and in front of the machine body from the front end of the pulling device 1.
... is rotated around the horizontal axis so that it protrudes only in the upward movement state, and moves from the front lower part of the machine toward the rear upper part of the machine, and as it rotates, the non-reaping target on the uncut side The structure is such that the stem culm is separated from the stem culm introduced into the reaping device 2 and the grass is separated to the side of the machine body.

The weeding device 8 includes a chain 12 that swingably connects the locking pawls 9 over an upper drive shaft 10 that is interlocked with the drive shaft of the pulling device 1 and a driven shaft 11 at the lower end.
are wound and covered with a cover 13 that has an opening corresponding to the upward movement side of the chain 12, and has locking claws 9 protruding through the opening and is formed at the base end of the locking claws 9. The cam portion 14 of the guide 15 is brought into contact with the guide 15, and the locking pawls 9 are rotated while being maintained in a protruding upright position.

The guide 15 is constructed as a part of a 1,000-row four-link mechanism 16 at a separate location parallel to the ascending movement path of the chain 12, and the rear link 17 is artificially swung and fixed. By operating it, the contact position of the locking claws 9 with the cam portion is adjusted, and the working posture of the locking claws 9 with respect to the stem culm is maintained in the same or almost the same state over the entire area of action. It is configured so that it can be changed while it is being used.

Then, the guide 15 is attached to the cover 130 with the locking claw 9...
In the state farthest away from the protruding side, the locking claws 9 are configured so that they can be retracted and stored within the cover 13.
By changing the position of 5, the locking claws 9 can be switched to a state in which they do not act on the stem culm.

Note that the present invention is applicable not only to combines but also to various types of reaping machines such as binders.

The embodiments of the present invention have been described above, and the structural features of the present invention can be summarized as follows.

That is, in the present invention, in the reaper described at the beginning of the detailed description of the invention, the locking claw 9 is brought into contact with the base end portion 14 of the locking claw 90 in the ascending movement path of the vertical chain 12 which is the attachment. , the upright guide 15, which defines the protruding posture of the locking pawl 9 in a vertical plane by this contact, is placed parallel to the ascending movement path of the chain 12, far from or near the base end portion 14 of the locking pawl 9. The position of the locking pawl 9 can be freely changed and adjusted over the entire range between the standing position and the non-working position stored in the cover 13 of the forced weeding device 80 by falling down. Features.

In other words, for stem culms that require strong pulling, the locking claws 9... are erected, and for stem culms that do not require strong pulling, the locking claws 9... are moved backward in the direction of movement. It is possible to easily release the stem culm by tilting it to the side, and by adjusting the working posture of the locking claws 9 on the stem culm as appropriate depending on the situation of the target stem culm, it is possible to pull out the stem culm and remove the panicle. By suppressing breakage or shedding as much as possible while giving sufficient lifting action,
We were able to perform good weeding.

Moreover, while maintaining the upright guide 15 in a position parallel to the upward movement path of the chain 12, the locking claw 90 base end 14
If you change the position farthest from , the upward movement path (
All of the locking claws 9 present in the weeding action arm are laid down and are stored in the cover 13 in a non-working position.

In other words, in fields where there are few lodging stem culms and weeding is unnecessary, by greatly changing the position of the guide 15, unnecessary action on the stem culms can be avoided, and the guide 15 can be moved in parallel. The two tasks of good separation of the stem culm from the locking pawl 9 and switching of the weeding device to its inactive state can be fulfilled by a single means of activating the weeding device.

[Brief explanation of the drawing]

The drawings show an embodiment of the reaping machine according to the present invention, in which Fig. 1 is a partially omitted side view of the combine, Fig. 2 is a plan view of the main parts, and Fig. 3 is a partially cutaway side view of the weed culling device. be. 2... Reaping device, 8... Forced weeding device, 9... Locking claw, R... Stem culm introduction route.

Claims (1)

[Scope of utility model registration request] On the side of the stem culm introduction path R to the reaping device 2, there is a vertically rotating forced weeding device 8 that guides the stem culms that are not to be harvested to the sides of the machine body using a locking claw 9 that moves from the front lower part of the machine body toward the rear upper part. In a reaper equipped with a reaper, the locking claw 9 is brought into contact with the base end 14 of the locking claw 9 in the ascending movement path of the vertical chain 12, which is attached, and the locking claw 9 is moved in a vertical plane. An upright guide 15 whose protruding posture is defined by this contact is configured to be adjustable in distance from and near the base end portion 14 of the locking claw 9 in parallel with the ascending movement path of the chain 12.
The forceful weeding device 8 changes the posture of
The reaper is configured to be freely changeable and adjustable over the entire range from the non-working position stored in the cover 13 of the reaper.