JP2905149B2 - Threshing section cover of combine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cover for an axial flow combine, and more particularly to a cover for a threshing unit.

[0002]

2. Description of the Related Art Heretofore, a technique of a cover for covering a handling cylinder, which is configured to easily remove a clog in a threshing part of a combine and to perform maintenance, has been known. For example, the technique is described in Japanese Utility Model Laid-Open No. 63-177128 and Japanese Utility Model Laid-Open No. 2-67730.

[0003]

However, in the case where the side cover of the threshing unit is opened downward, the cover is located on the near side, which hinders the work. There was a problem that the back side of the cover hit the Glen tank and the elevator and could not hear much. The present invention solves the problem of the prior art by dividing the cover of the threshing unit into three parts to form a rear cover, a top cover, and a side cover.

[0004]

SUMMARY OF THE INVENTION The present invention is configured as follows in order to solve such a problem. In the axial flow type combine, the handling cylinder 12 is provided inside the threshing device B.
The threshing unit cover for covering the threshing device B, a rear cover 37 for protecting the pulley 51 for driving the handling cylinder 12 and the like, an upper cover 35 for covering the upper part of the handling cylinder 12,
Divided into a side cover 36 that covers the sides of the handling cylinder 12,
The rear cover 37 is pivotally supported so as to be rotatable and open rearward, and the upper cover 35 is rotatably and rotatably opened by hinges 41 on the opposite side of the Glen tank 5 and above the side cover 36. Further, a sorting member 36b is laid on the inside of the side cover 36 along the rotation trajectory of the handling cylinder 12, and the side cover 36 is pivotally supported so as to be able to turn to the side.
-36 in the closed state, the upper edge of the side cover 36 and the upper cover
Arranged so that the hinge 41 of the bar 35 is arranged at an adjacent position.
It was done.

[0005]

Next, an embodiment of the present invention will be described. 1 is an overall side view of a soybean combine, FIG. 2 is a skeleton diagram of a threshing unit driven, FIG. 3 is a side view of an oscillating sorting unit, FIG.
5 is an overall perspective view of the soybean combine, FIG. 5 is a perspective view of the threshing unit and the drive unit with the cover opened, FIG. 6 is a perspective view of a lock unit of the side cover, and FIG. 7 is a side sectional view of the same.

[0006] Explaining the whole structure in FIG. 1, a body frame 2 is mounted on a crawler type traveling device 1,
An engine, a transmission case 3, a driver's seat 4 and the like are provided on the front end of the body frame 2, a sorting device A is provided on the body frame 2, a threshing device B is provided above the device A, and a Glen tank 5 is provided behind the driver's seat 4. ing. At the front end of the threshing device B, a mowing / transporting device C is projected forward so as to be able to ascend and descend, a divider 7 is provided at the front end of the mowing / transporting device C, a cutting blade 8 is provided at a rear portion thereof, and a scraping reel 9 is provided at an upper portion thereof. A lateral feed auger 10 is provided, and a feeder house 6 communicating with a threshing device B is provided at a rear portion of the lateral feed auger 10. A conveyor 11 is provided inside the feeder house 6, and a culm after cutting is harvested by a threshing device B. It is configured to be transported to

In the threshing apparatus B, a cylindrical handling cylinder 12 is arranged in parallel with the traveling direction, an impeller 12a is arranged at the front end of the handling cylinder 12, and teething teeth 12b are implanted around the handling cylinder 12. Has been established. A sorting member 13 composed of a crimp net is disposed below the handling cylinder 12, and a sorting device A is disposed below the sorting member 13 composed of the crimping rope. The sorting device A is provided with a swinging sorting device 14 and, below it, a Kara-mino 15, a first conveyor 16, a second conveyor 17 and a running board, and the Kara-min 15 is rotated rightward as indicated by an arrow to adjust the opening. Wind is selected in three directions as indicated by arrows a, b, and c by the possible damper 32 and the wind direction partition plate 33.

[0008] As shown in FIG.
The front end and the rear end of the swing frame 14a are pivotally connected to the swing links 18 and 19, and the swing link 19 connected to the rear end is eccentrically rotated to swing. And the swing frame 14a · 1
Between before 4a, 20 before chaff sheave, sieve wire 21, and 22 after chaff sheave are sequentially arranged. Then, as shown in FIG. 2, power from the engine 23 is driven from the output pulley 25 via the clutch 24, and one of the handling cylinders 12 is driven from the pulley 26 on the counter shaft 27 via a belt or the like,
The other is a belt from the pulley 28 on the counter shaft 27,
Swing sorting device 14 via pulley, etc., second conveyor 1
7, driven by the first conveyor 16 and Karamin 15. The first thing after threshing in the threshing device B is conveyed from the first conveyor 16 to the Glen tank 5 by the elevator 30, and the second thing is returned to the threshing device B by the elevator 31 from the second conveyor 17. It is.

FIG. 4 shows a threshing section cover which is a main part of the present invention.
As shown in FIG. 7, the upper cover 35 and the side cover 3
6, a rear cover 37, and pulley covers 38, 39 are provided below the side cover 36. The upper cover 35 is provided with a release lever 40 at the end on the side of the Glen tank 5 and hinges 41 on the opposite side.
The upper part of 2 can be opened. Reference numeral 42 provided on the front upper surface of the upper cover 35 is a lever for changing the direction in which the grains flow.

[0010] Inside the side cover 36, there is a handle 12b.
A sorting member 36b made of a crimp rope is provided along the rotation locus of the vehicle, a hinge 43 is provided on the front side of the outer surface, a locking device is provided inside the rear side cover 36, and the release lever 44 is provided on the outer side. Projecting to That is, as shown in FIG. 6 and FIG. 7, the lock device has a support plate 45 fixed vertically inside the side cover 36, and support rods 46, 46 provided laterally above and below the support plate 45. , The support rods 46, 46 penetrate through elongated holes 47 a, which are opened to the slide plate 47, and springs 48, 46.
At 48, the slide plate 47 is pressed toward the support plate 45 so that the slide plate 47 can be maintained at the slid position. A concave portion 45a into which the lock pins 49 provided on the main body side are fitted into the support plate 45.
The sliding plate 47 is provided with L-shaped notches 47b having locking portions at the same intervals. The release lever 44 is fixed to the lower portion of the sliding plate 47 to open the side cover 36. And protrudes outward from the lever hole 36a.

Therefore, when the release lever 44 is raised upward,
The sliding plate 47 is raised and the concave portion 45a and the notch 47b are
The lock pins 49 can be removed by matching the open portions of
The side cover 36 can be turned to the side to open the side surface of the handling cylinder 12 so that maintenance can be performed from the side, and the maintenance of the sorting member 36b constituted by the crimp rope provided inside the side cover 36 can also be performed. It is easy to do. The rear cover 37 is for protecting the pulley 51 for driving the handle cylinder 12 and the like. Hinges 52 are provided inside a lower portion of the rear cover 37, and handles 37a are disposed on an upper outer surface. Hooks 37b / 37 interlocked with the handles 37a / 37a inside
The rear cover 37 is turned downward so that it can be opened by locking the lock pins 53 on the main body side.

The pulley covers 38 and 39 are made of Karamin 15
And a pulley, a belt, and the like for driving the first conveyor 16, the second conveyor 17, and the like. The handles, hooks, and the like have substantially the same configuration as the rear cover 37, and pull the handles 38a and 39a. And the hook is released, and it is configured to be rotatable downward and openable. 54 is the lock pin. However, the positions of the hinges of the upper cover 35, the side cover 36, and the rear cover 37 may be up / down, left / right, front / rear, and do not limit the pivotal position and the locking structure of the cover.

[0013]

According to the present invention, the following effects can be obtained. First, since the pulley 51 for driving the handling cylinder 12 and the like are covered and protected by the rear cover 37, there is no danger of straw chips and dust staying in this portion. The rear cover 37 is
Since it is configured to be openable, in the case of the clogging of the handling cylinder 12, the pulley 51 or the belt portion may come off, and
Inspection and repair, such as removal of dust, etc., became easy. Further, since the rear cover 37 is opened and rotated rearward, the rear cover 37 does not interfere with the elevator or the tank. Second, the threshing unit cover that covers the threshing device B is divided into an upper cover 35 that covers the upper side and a side cover 36 that covers the side, and the upper cover 35 has a side cover on the opposite side of the Glen tank 5. Above the cover 36, the hinge 41
The side cover 3 provided with the sorting member 36b is divided into two pieces because it is pivotally supported so as to be rotatable and open at 41.
6 can be made compact, so that it is not necessary to open and close a single large cover when opening and closing. Further, when the upper cover 35 is divided into the side cover 36 and the upper cover 35, there is a problem that the upper cover 35 cannot hit the Glen tank or the elevator and cannot be widely opened depending on the opening / closing direction of the upper cover 35. Since the hinges 41 are provided above the side cover 36 on the opposite side of the Glen tank 5 and the upper cover 35 can be opened, this problem can be solved. Thirdly, the cover of the threshing unit is not covered with a single cover on both the side and the top as in the related art, but the upper part is covered by the top cover 35 and the side is covered by the side cover 36.
Since the cover was divided into separate covers, it was possible to obstruct the work, such as when rotating a large cover, and to solve the problem that the back side of the cover hit the Glen tank or elevator and could not hear it loudly. is there. Fourth, the sorting member 36b is integrally laid on the side cover 36 that covers the side of the threshing unit, and the sorting member 36b can be opened and rotated together with the opening of the side cover 36. The operation of opening the side cover 36 simultaneously opens the internal sorting member 36b.
The cleaning work of b can be easily performed. Fifth, since the sorting member 36b is formed integrally with the side cover 36, the sorting member 36b can be completely rotated to a position away from the handling cylinder 12 and the handling teeth 12b.
6b can be easily cleaned. Sixth, the cover of the handle body can be opened with one touch, so that the jam can be removed, the belt can be adjusted, and the maintenance can be easily performed. Seventh, since the side cover is configured to be opened by rotating to the side, the cover does not rotate downward and hit the operator as compared with the configuration in which the cover is opened upward. It does not darken the inside of the threshing part by covering the threshing. Further, compared to the configuration in which the cover is opened downward, the operation is not hindered, and the maintenance of the sorting member 36b provided on the inner surface of the side cover can be easily performed.
Eighth, when the side cover 36 is closed, the side cover 3
6 and the hinge 41 of the upper cover 35 are positioned adjacent to each other.
So that it is located on the upper side of the side cover 36.
When the side cover 36 is closed, the upper cover 35
It becomes that fixed part of the hinge 41 is present, this part
Keep enough strength to support the top cover 35
When the upper cover 35 is closed,
Even if the bar 36 is pressed and locked, the supporting strength is sufficient.
Existing to improve the sealing performance when the upper cover 35 is closed.
Is what was made. Due to this improved sealing,
From the upper side where the face cover 36 is closed, turn the handling cylinder 12
Preventing the leakage of kernels repelled based on rolling
Was completed.

[Brief description of the drawings]

FIG. 1 is an overall side view of a soybean combine.

FIG. 2 is a skeleton diagram of a threshing unit drive.

FIG. 3 is a side view of a swing sorting unit.

FIG. 4 is an overall perspective view of a soybean combine.

FIG. 5 is a perspective view of the threshing unit and a driving unit with a cover opened.

FIG. 6 is a perspective view of a lock portion of the side cover.

FIG. 7 is a side sectional view of the same.

[Description of Signs] 12 Handle cylinder 35 Top cover 36 Side cover 37 Rear cover

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Akito Yamamoto 1-32 Chaya-cho, Kita-ku, Osaka-shi, Osaka Inside Yanmar Agricultural Machinery Co., Ltd. (56) References Open-ended Sho-63-177128 (JP, U) No. 62-42688 (JP, Y2) (58) Fields investigated (Int. Cl. ⁶ , DB name) A01F 12/00 A01D 67/00 A01F 12/24

Claims (1)

(57) [Claims] 1. A threshing apparatus B in an axial flow combine.
The threshing unit cover for covering the threshing device B is provided with a rear cover 37 for protecting the pulley 51 for driving the handling cylinder 12 and the like, and an upper cover 35 for covering the upper side of the handling cylinder 12. And a side cover 36 that covers the sides of the handling cylinder 12. The rear cover 37 is pivotally supported so as to be able to rotate and open rearward, and the upper cover 35 is connected to the Glen tank 5.
On the side opposite to the upper side of the side cover 36, it is pivotally supported by hinges 41 so as to be rotatable and openable.
6, a sorting member 36 is provided along the rotation locus of the handling cylinder 12.
b is laid, and the side cover 36 is pivotally supported to be rotatable to the side. When the side cover 36 is closed, the side cover 36
The upper edge of the upper cover 35 and the hinge 41 of the upper cover 35 to adjacent positions
A threshing section cover of the combine, characterized by being configured to be arranged .