JPS6121956Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to an improvement of a culm collecting device such as a combine harvester.

This type of device supports one side of a collecting shaft provided with a culm receiver in a cantilever, and releases the collecting culm while rotating in the direction of movement of the aircraft around this cantilevered support shaft. However, this type of conventional device uses the rotational force of the culm receiver to rotate downward when the weight of the culm accumulated on the culm receiver exceeds a set weight, and the cantilever support shaft is Since the material is discharged while horizontally rotating the collecting culm shaft as the center, the release position may change depending on the strength of the spring that sets the weight, or the horizontal rotation of the collecting culm shaft may be slow. It is not possible to release it to the desired field location, and in many cases the waste culms are simply scattered while being released, which has the disadvantage that post-processing of the waste culms requires a lot of manpower, and improvements are desired in these points. Ta.

The present invention was developed in response to these circumstances, and has a simple structure that eliminates the drawbacks of the conventional technology.The culm shaft is forcibly rotated horizontally when a signal indicates that the amount of culm discharged has reached a set weight. The aim is to improve post-treatment efficiency by ejecting the waste culm in a concentrated manner at a predetermined position without scattering the waste culm along the way.

The embodiments of the present invention will be explained with reference to the drawings: 1
2 is the threshing device of the combine, and 2 is the culm discharge port. In this embodiment, the concentrating device A is directly connected to the rear of the threshing device 1, but a culm cutting device is provided at the rear of the threshing device 1, and a culm collecting device is installed on the rear wall of the culm cutting device. Since it is also possible to attach A, it is not particularly limited to what is shown.

To explain the first embodiment with reference to FIGS. 1 to 5, reference numeral 3 denotes a collecting shaft which is installed horizontally at the rear of the fuselage 4 and whose one end is cantilever-supported by a cantilever support shaft 5. A fork-shaped culm receiver 6 is provided on the culm collecting shaft 3. Instead of this fork-shaped culm receiver, a plate-shaped one can also be used.

The cantilever support shaft 5 of the culm collector shaft 3 is fitted into a pipe bearing 7 fixed to the machine body 4, and the upper part of the cantilever support shaft 5 is attached to a metal plate that pivotally supports one end of the culm collector shaft 3. It is fixed to the culm collecting shaft 3 through the member 8. A spring 10 for setting the weight of the culm is disposed between a mounting rod 9 attached to one end of the culm collecting shaft 3 and the body 4.

Further, a circular disc (a cam plate is also acceptable) 11 is fixed to the collecting shaft 3, and the circular disc 11 has a circular disc 11.
2, the ON-OFF operation piece 1 of the sensing member (micro switch, etc.) 13 attached to the metal member 8
4 in contact. Reference numeral 15 denotes a protective cover for preventing the sensing member 13 from coming into contact with rainwater or the culm.

One end of a rotating arm 16 is fixed to the lower end of the cantilever support shaft 5, and one end of a connecting rod 17 is rotatably connected to the other end of the rotating arm 16. The other end of the motor 1 is attached to the body 4 and is connected to the switch 13.
8 (motor rotates once when turned on) output shaft 19
The rotating arm 20 has one end fixed to the other end thereof, and is connected to the other end by a connecting pin 21.

The other end of the connecting rod 17 and the rotating arm 2 of the motor
0 is provided with a plurality of holes 22 and 23 that are compatible with each other, and when the holes 22 and 23 that are close to or far from the output shaft 19 of the motor 18 are connected with the connecting pin 21, the rotation of the rotating arm 20 is controlled. By setting the radius to a large or small value, the stroke length of the connecting rod 17 and the rotation angle of the rotating arm 16 are adjusted, and the cantilever support shaft 5
In other words, the rotation angle of the culm collecting shaft 3 in the horizontal direction is adjusted and set.

Reference numeral 24 denotes a discharge rod 24 installed in a substantially vertical state at the end of the cantilevered support side of the culm collecting shaft 3;
4 comes into contact with a stopper 25 provided on the machine frame 4 when the collecting shaft 3 horizontally rotates by a certain angle, and this contact forces the collecting shaft 3 to rotate, that is, the culm ejecting holder 6
This is to rotate it in a downward direction.

Further, as is clear from FIGS. 1 and 4, the stopper 25 has a horizontal elongated hole 26 formed in the surface in contact with the wall surface of the fuselage body 4, into which a tightening bolt 27 screwed onto the fuselage body is inserted. The stopper 25 is movable and adjustable in the longitudinal direction of the machine body, and by moving the stopper 25 back and forth, the timing at which the discharge action rod 24 contacts the stopper 25 is made earlier or later, and the timing for releasing the culm is adjusted. can be adjusted as appropriate depending on field conditions or purposes.

Reference numeral 28 denotes an actuating lever that is rotatably supported on the side wall of the fuselage 4 and whose front side is tilted slightly downward. On the rear side of the actuating lever 28, there is a lever that is in its normal position, that is, before starting horizontal rotation. The conditions are that the ends of the culm shaft 3 are in contact with or close to each other, and that the pivot point 29 of the operating lever 28 relative to the body 4 is above the corresponding position of the collecting culm shaft end. And also this operating lever 2
A straight neutral surface 30 is formed on the lower side of the actuating lever 28 .
The front part of this operating lever 28 is curved toward the side wall of the body 4 so that the end of the collecting shaft 3 which rotates horizontally from zero does not come off. (Fig. 2) Also, the lower end of a connecting rod 31 is connected to the upper rear end of this operating lever 28, and the upper end of this connecting rod 31 is attached to the rear wall of the above-mentioned body and above the collecting culm shaft 3. The end of a lever 33 attached to the end of an auxiliary bearing shaft 32 of the culm is connected to the end of the culm. An auxiliary culm support 34 is attached to the auxiliary receiving shaft 32 in the form of a fork, which is positioned substantially vertically downward during culm gathering.

Next, to explain the culm collection and discharge operation of the embodiment shown in FIGS. 1 to 5, the threshed culm discharged from the culm discharge port 2 to the rear of the machine body 4 in the state shown in FIG. Using the auxiliary culm receiver 34 as a guide, they are sequentially accumulated on the culm receiver 6 without exception.

When a predetermined weight of the culm is accumulated on the culm receiver 6, the culm receiver 6 rotates downward a little due to the weight. This causes the collector shaft 3 to rotate, and the disk 11 attached to the collector shaft 3 also rotates, and the sensing member that was in contact with the missing circular portion 12 of this disk 11 rotates. The operating piece 14 of the switch 13 is
is lifted by the cam action on the circumferential surface of the disc 11, turning on the switch 13 and rotating the motor 18.

This rotational drive of the motor 18 is performed by the rotating arm 2.
0, the cantilever support shaft 5 is rotated via the connecting rod 17 and the rotation arm 16, and horizontally rotated about the collecting culm shaft 3 and the cantilever support shaft 5. When the collecting shaft 3 rotates by a predetermined angle, the discharge lever 24 provided thereon contacts the stopper and tilts the discharge lever 24 backward, causing the collector shaft 3 to rotate, that is, to release the culm receiver. 6 is rotated downward to release the accumulated culms all at once into the field.

On the other hand, at the same time that the collecting shaft 3 starts to rotate horizontally, the end of the collecting shaft 3 causes the operating lever 28 to slide as shown by the imaginary line as shown in FIG. Auxiliary bearing shaft 32 via 33
The auxiliary discharge culm receiver 34 provided thereon is rotated and held upward as shown in FIGS. 2 and 5 to temporarily receive the subsequent discharge culm.

At this time, since a neutral surface 30 is formed on the lower side of the operating lever 28, even if the collecting shaft 3 moves while contacting this neutral surface 30,
The rear end of the operating lever 28 remains in a certain range of downward displacement, and the auxiliary culm support 34 is held at a certain position without being rotated upwards indefinitely.

Then, when the motor 18 rotates once and stops in the old state, all the mechanisms move in the opposite direction to the above and become the state shown in FIG. After that, the above-mentioned operation is repeated.

As described above, according to the present invention, the following effects can be obtained.

(a) The collecting culm shaft can be rotated after the collecting culm shaft is forcibly turned horizontally by a predetermined angle. The system rotates and has the feature that the accumulated waste culms are not released against one's will and can be released all at once to a predetermined location, making it possible to smoothly process the waste culms after release.

(b) At the end of the rotation of the collecting culm shaft, the stopper 25, which the discharge action rod 24 provided on the collecting culm shaft comes into contact with, is attached so as to be movable and adjustable in the longitudinal direction with respect to the machine frame 4. By adjusting back and forth, the discharge position of the accumulated culm can be arbitrarily set by rotating the culm axis.

(c) It can be adjusted to the length of the culm. That is,
When the culm is long, the end of rotation of the collecting culm shaft can be delayed, and when the culm is short, the end of turning can be adjusted to be early, and wasteful rotation of the culm collecting device can be eliminated.

(d) When reaping while going around the field,
Depending on the size of the combine, the collecting culm shaft should be rotated so that the end of the swing is delayed when using a small combine, and the end of the swing is brought forward when using a large combine, so that the discharge culm does not interfere with the reaping work as follows: Can be done.

(e) The culm can be left alone in accordance with the post-treatment method for the culm.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of the main part, Fig. 2 is a perspective view of the culm release state, Fig. 3 is a plan view of the same as above, Fig. 4 is a side view of the main part of the above, and Fig. 5 is a part of the operating lever. FIG. 3 is a partially cutaway side view. 1... Combine threshing device, 2... Culm discharge port, 3... Culm collecting shaft, 4... Machine body, 5... Cantilever support shaft, 6... Culm receiver, 7... Pipe bearing, 8 ……
Metal member, 10...Spring, 11...Disc, 12
... Missing circle part, 13 ... Switch, 14 ... Operating piece, 16 ... Rotating arm, 17 ... Link, 18 ...
...Motor, 20...Rotating arm, 24...Release action rod, 25...Stopper.

Claims (1)

[Scope of utility model registration request] Rice and other crops are harvested and threshed while running, and the threshed culms are collected on a culm collection member that is rotatably attached to a cantilever support shaft at the rear of one side of the aircraft, and the culm collection member is attached to the aircraft body. In a culm collecting device configured to emit a focused culm obliquely or laterally with respect to the traveling direction of the culm, a culm collecting shaft that is supported on a cantilever and forming the culm collecting member is provided with a predetermined culm as a center around the cantilever support shaft. A drive mechanism is provided which horizontally rotates at an angle of A culm collecting device for a combine harvester, characterized in that, at the end of the rotation, the discharge rod 24 comes into contact with a stopper 25 attached to the machine frame 4 so as to be movable in the longitudinal direction.