JP2857016B2 - 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 combine provided with a bucket-type lifting device for lifting recovered grains from a transport end of a first thing collecting device of a threshing device to a grain storage device.

[0002]

2. Description of the Related Art Conventionally, in a combine of this type, as shown in FIG. In order to clean the starting end, a cleaning port 30 is formed in the bottom of the outer case 9 of the bucket type lifting device 8 and the bottom plate 2 is closed so that the cleaning port 30 can be closed.
3 was provided. The bottom plate 23 is hinged to the lower portion of the outer case 9 by a hinge 37 so that one end thereof can swing around the axis of the waist and the other end can swing downward, and the bottom plate 23 is fixed to the outer case 9. Therefore, the hook 36 at the other end of the bottom plate 23 is held in a state of being hooked by the clamp 35 provided on the outer case 9.

[0003]

However, in the above-mentioned conventional structure, since the bottom plate 23 is still pivotally attached to the outer case 9 with the hinge 37, the cleaning port 30 is provided so as to be easily cleaned. In order to sufficiently open the bottom plate 23, the bottom plate 23 must be hung downward. However, in order to allow the bottom plate 23 to hang down in such a manner, a space for hanging the bottom plate 23 must be secured below the outer case 9. . By the way, in the case of the combine, the frame material for mounting the threshing device and the like faces below the cleaning port 30 and a large space cannot be secured.
Therefore, even if the bottom plate 23 is swung downward, the bottom plate surface 23 hits the frame material in a state where the bottom plate 23 does not hang down sufficiently, so that the space below the cleaning opening 30 is narrow, and there is a disadvantage that it is difficult to clean. The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a combine that can perform cleaning of a bottom portion of a bucket type lifting device in a state where a sufficient space for cleaning can be obtained.

[0004]

In order to achieve the above object, a combine according to the present invention, having the above-mentioned structure, has a side surface portion of an outer case at a starting point of a lifting operation of the bucket type lifting device, and A cleaning port communicating with the inside and outside of the outer case is formed on the bottom portion, and a bottom member for closing the cleaning port is provided so as to be freely inserted and removed from the side through the cleaning port. In addition, the combine according to the present invention, in order to achieve the above object,
In the above-mentioned structure, a cleaning member communicating with the inside and outside of the outer case is formed on a bottom surface of the outer case at a starting point of the lifting operation of the bucket-type lifting device, and a bottom member for closing the cleaning member is provided. An engaging portion detachable from a hook provided continuously with the outer case, and a fixing structure capable of fixing the bottom member to the outer case in a state where the engaging portion is engaged with the hook. It is also a characteristic configuration to provide. The operation and effect of this characteristic configuration are as follows.

[0005]

According to the first aspect of the present invention, a cleaning port is provided on the bottom of the outer case, and the bottom member for closing the cleaning port can be freely inserted and removed from the side through the cleaning port. Even if the lower space is narrow, the cleaning can be sufficiently performed. Further, according to the second aspect, the bottom member can be removed from the outer case simply by removing the hook from the engaging portion after releasing the fixed state by the fixing structure. Even if the space is narrow, the cleaning can be sufficiently performed.

[0006]

Therefore, in both of the first and second aspects of the present invention, even when the space below the outer case of the bucket-type lifting device is relatively narrow, the transport start end of the bucket-type lifting device. The cleaning efficiency can be improved because the lower end portion where is located can be easily cleaned.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show the combine. This combine is equipped with a threshing device 3, a control unit 4, and a Glen tank 5 as a grain storage device mounted on a body 2 supported by a pair of left and right crawler traveling devices 1 and 1, and at the front of the body 2 The mowing pre-processing unit 6 is configured to be able to move up and down and swing around the horizontal axis.

[0008] The grain stalks cut in the pre-cutting processing section 6 are introduced into the threshing device 3 and threshed, and the first thing selected from the thresh-processed product is transferred by a screw as a first thing recovery device. By the device 7, it is transferred to the right side of the machine in which the Glen tank 5 is disposed. Then, the transfer end of the screw transfer device 7 is connected to the start end of the bucket type lifting device 8 as shown in FIG. This bucket type lifting device 8 is covered with a vertically long outer case 9,
A bucket 12 is pivotally attached at predetermined intervals to a chain 11 wound around sprockets 10, 10 disposed vertically. The front end of the lower end portion of the outer case 9 and the rear end form an inclined surface so as to form a downward tapered shape in a side view. Is transported to the bottom of the outer case 9 while the front end is guided by the inclined surface of the waist. When the bucket 12 shifts from the downward movement path to the upward movement path with the lower sprocket 10, the bucket 12 scoops the most from the bottom of the outer case 9 and lifts it upward.
The first object lifted to the upper end is transferred from the bucket 12 to the screw-type transfer device 13, and further transferred to the first-item supply hole 14 in the top plate 5 </ b> A of the Glen tank 5 by the screw-type transfer device 13. It is supplied into the Glen tank 5 through the first material supply hole 14.

As shown in FIG. 2, the Glen tank 5 is swingable with respect to the machine body 2 around the longitudinal axis P at the rear end thereof in order to open the space between the Glen tank 5 and the threshing device 3 and in a use posture. It is supported so that it can be locked. When the Glen tank 5 swings, the transfer case 1 of the screw-type transfer device 13 is moved.
It is configured such that the fixed state between the top 5 and the top plate 5A can be released. More specifically, as shown in FIG.
When a short cylindrical guide body 16 is fitted inside the guide body 4 so as to be vertically movable and the Glen tank 5 is in the use position and the guide body 16 is located at the uppermost position, the guide body 16 is inserted into the guide body 16. The first material discharge port 15a of the transport case 15 faces. In order to move the guide body 16 up and down, a hook 17 and a guide body 16 that are swingably supported outside the tank case 5a of the Glen tank 5 are provided.
Are linked via a rod 18 and a swing arm 19, and a hook 17 is fixed to a locked portion 20 fixedly installed on the threshing device 3.
The arm 21 is configured to be freely disengageable by a manual swing operation, and is elastically urged by a spring 21 in a locking direction.
With this configuration, when the Glen tank 5 is normally used, the hook 17 is locked to the locked portion 20 by the spring 21, thereby maintaining the guide body 16 in the upright posture, and The first thing can be supplied into the Glen tank 5 from the screw-type transfer device 13 through the first thing supply hole 14 without spilling outward, and the Glen tank 5 is rocked around the longitudinal axis P to remove the threshing device 3. In the case of maintenance or the like, if the hook 17 is pivoted and retracted upward to release the engagement with the locked portion 20, the guide body 16 is also lowered.
The attitude of the Glen tank 5 can be changed without colliding with the Glen tank 5.

Next, the structure of the bucket type lifting apparatus 8 of the first invention will be described. As shown in FIGS. 3 and 4, the bottom surface 9 </ b> A of the outer case 9 and the side surface 9 </ b> B facing the side of the Glen tank 5 can be cleaned so as to remove foreign matter such as mud accumulated on the bottom of the outer case 9. And a bottom surface 9 of the cleaning port 22 is formed.
In order to close A, a bottom plate 23 as a bottom member slidable along the lateral direction is provided in the outer case 9 so as to be freely inserted and removed, and further, a side plate 24 capable of closing the side portion 9B of the cleaning port 22 is provided. It is continuously provided in a state of standing on the bottom plate 23. The front edge of the bottom plate 24 is provided with a guide groove 25 for guiding the front edge of the bottom portion 9A of the cleaning port 22. The rear edge of the bottom portion 9A of the cleaning port 22 is provided with a bottom plate. Guide groove 2 for guiding the rear edge of 24
6 and a pair of front and rear knock pins 27, 27
The insertion of the bottom plate 23 is welded to the end of the waist.
These knock pins 27, 27 are provided with the cleaning port 2 on the bottom surface 9A.
When the bottom plate 23 is inserted so as to close the bottom plate 2, the bottom plate 23 is positioned and fixed in a pair of front and rear knock holes 28 formed and drilled in the outer case 9. When the bottom plate 23 is inserted so as to completely close the bottom portion 9A of the cleaning port 22, the side portion 9B of the cleaning port 22 is also closed by the side plate 24 as shown in FIG. The wall of the outer case 9 around the opening 22 is abutted. In the closed state, the side plate 24 is connected and fixed to the outer case 9 with bolts. A handle portion 29 is formed on the bottom plate 23 so as to extend laterally outward so that it can be easily inserted into and removed from the outer case 9 by manual pushing and pulling.

With the above structure, when cleaning the lower end portion of the outer case 9, the Glen tank 5 is swung laterally outward around the longitudinal axis P to open the side portion of the outer case 9. Then, the side plate 24 and the bottom plate 23 are removed from the outer case 9 by removing the bolt fixing of the side plate 24 to the outer case 9 and manually pulling the grip portion 29 in this state. As a result, the cleaning port 22 is opened, so that the inside of the exterior case 9 is cleaned through the cleaning port 22. When closing the cleaning port 22, the reverse operation is performed.

Next, the structure of the bucket type lifting apparatus 8 of the second invention will be described. The description of the same structure as that of the first embodiment is omitted, and the same reference numerals are given. As shown in FIGS. 6 and 7, a cleaning port 30 that can communicate with the inside and outside of the outer case 9 is formed on the bottom surface 9 </ b> A at the lower end of the outer case 9 of the bucket type lifting device 8. The front and rear lower ends of the outer case 9 are provided with inclined surfaces so that the lower end of the outer case 9 is formed in a downward tapered shape in a side view.
Is formed over a horizontal plane between the inclined surfaces and a part of the inclined surface. The cleaning port 30 is closed by attaching and fixing the bottom plate member 31 to the outer case 9. More specifically, the bottom plate member 31 is formed by bending a sheet metal so as to cover all of the horizontal surface portion forming the cleaning port 30 and a part of the inclined surface.
Further, in order to fix and release the bottom plate member 31 to and from the outer case 9, a pair of left and right band plates 32,
32 is spot-welded to the bottom plate member 31,
The front end portions of the band plates 32, 32 are bent downward in a state of being located forward of the front edge of the bottom plate member 31, and the front end portions of the band plates 32, 32 An engagement hole 34 is formed as an engagement portion that can engage with a hook 33 made of a round bar as a hook fixedly installed on the front inclined surface. At the rear end portions of the band plates 32, 32, a clamp fitting 35 attached to the rear inclined surface at the lower end of the outer case 9 is provided.
The hook portion 36 that can lock the ring 35a is bent. Here, the clamp 35 and the hook 36 form a fixing structure 37. With this configuration, when cleaning the lower end in the outer case 9, the Glen tank 5 is swung laterally outward around the vertical axis P to open the lateral side of the outer case 9 and then clamped. After the engagement between the metal fitting 35 and the hook portion 36 is released and the engagement between the hook portion 36 and the ring 35a is released, the engagement hole 34 is removed from the hook 33 made of a round bar, so that the bottom plate member 31 is attached to the outer case. 9 can be easily pulled out to the lateral side without being largely moved downward. When attaching the bottom member 31 to the exterior case 9, the operation reverse to the above is performed.

The present invention may be implemented as follows. (A) As another embodiment of the first invention, the side plate for closing the cleaning port and the bottom plate are configured as separate bodies. (B) In the second invention, a cleaning port connected to the cleaning port formed on the bottom face is also formed on the lateral side surface of the lower end portion of the outer case of the bucket type lifting device, similarly to the first invention.

In the claims, reference numerals are provided for convenience of comparison with the drawings, but the present invention is not limited to the configuration shown in the attached drawings.

[Brief description of the drawings]

FIG. 1 is an overall side view showing a combine.

FIG. 2 is an overall plan view showing a combine;

FIG. 3 is a partially cutaway side view showing the bucket type lifting device of the first invention.

FIG. 4 is a longitudinal rear view showing a lower part of the bucket type lifting apparatus of the first invention.

FIG. 5 is a longitudinal sectional front view showing a state in which the guide body of the grain supply port of the Glen tank is raised (A) and a state in which the guide body is lowered (B).

FIG. 6 is a longitudinal sectional side view showing a lower part of a bucket type lifting device according to a second invention.

FIG. 7 is a bottom view showing the bottom member of the second invention.

FIG. 8 is a vertical sectional side view showing a lower portion of a conventional bucket type lifting apparatus.

[Explanation of symbols]

 3 Threshing device 5 Kernel storage device 7 First item recovery device 8 Bucket type lifting device 9 Outer case 22, 30 Cleaning port 23, 31 Bottom member 33 Hook 34 Engagement part 37 Fixed structure

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Tetsuichi Odawara 64 Ishizukita-cho, Sakai-shi, Osaka Kubota Sakai Works Co., Ltd. (56) References Japanese Utility Model 3-85838 (JP, U) Japanese Utility Model Sho-62 −8216 (JP, U) Shokai 56-157949 (JP, U) Shokai 55-12323 (JP, U) (58) Fields investigated (Int. Cl. ⁶ , DB name) A01F 12/46

Claims (2)

(57) [Claims] An apparatus for recovering the first thing of a threshing apparatus (3).
And a bucket-type lifting device (8) for lifting recovered grains from the transport end portion of the bucket to the grain storage device (5), wherein the bucket-type lifting device (8) is lifted. A cleaning port (2) communicating with the inside and outside of the exterior case (9) is provided on the side surface and bottom surface of the exterior case (9) at the start end.
2) A combine which forms 2) and further includes a bottom member (23) for closing the cleaning port (22) which can be freely inserted and removed from the side through the cleaning port (22). 2. The first thing recovery device (7) of the threshing device (3)
And a bucket-type lifting device (8) for lifting recovered grains from the transport end portion of the bucket to the grain storage device (5), wherein the bucket-type lifting device (8) is lifted. A cleaning port (30) communicating with the inside and outside of the outer case (9) is formed on the bottom surface of the outer case (9) at the start end portion, and a bottom member (3) for closing the cleaning port (9).
In (1), an engaging portion (34) that can be disengaged from a hook (33) connected to the exterior case (9) and the engaging portion (34) is engaged with the hook (33). And a fixing structure (37) capable of fixing the bottom member (31) to the outer case (9) in a state.