JP2002223626A - Mounting structure for cutting device in combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mounting structure for a cutting device in a combine harvester in which the machine body width is reduced to mount the cutting device on the combine harvester. SOLUTION: This mounting structure for the cutting device in the combine harvester is obtained by mounting and installing the cutting device 26 for cutting waste culms after threshing in a lateral side of a recovering funnel 28 for guiding grains to a recovering port 27 for housing the grains of the recovering part 29 in a threshing part 4 for dropping and recovering the grains sticking to the side of the waste culms after threshing so that the position can be changed from the left and right directions of the machine body 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for mounting a cutting device in a combine.

[0002]

2. Description of the Related Art Some conventional threshing sections of a combine are provided with a collecting section for dropping and collecting grains (sticking grains) adhering to the culm side after threshing. The collecting section is provided with a collecting port for storing the grains and a collecting funnel for guiding the grains to the collecting port. A cutting device is provided behind the threshing unit for cutting the culm after threshing. The culm after threshing is once passed through the collecting unit, and is sent to the cutting device after collecting the stinging particles and cut and discharged. However, there is a disadvantage that the width of the fuselage becomes large because the cutting device protrudes to the side of the fuselage, which may hinder loading of a light truck or the like into a transport vehicle.

[0003]

Means for Solving the Problems In order to solve the above-mentioned problems, the mounting structure of the cutting device in the combine of the present invention is as follows.
A threshing unit 4 is provided on the machine body 2, the threshing unit 4 includes a collection unit 29 that drops and collects the grains attached to the culm after threshing, and the collection unit 29 includes a collection port 27 that stores the grains. , The recovery port 2
7 is provided with a collecting funnel 28 for guiding the grains, and a cutting device 26 for cutting the culms after threshing is provided behind the threshing unit 4, and the cutting device 26 is arranged on the side of the collecting funnel 28. The first feature of the combine is that the cutting device 26 is mounted so that the position thereof can be changed in the left-right direction of the body 2.

A second feature is that the cutting device 26 is slidably mounted on the traveling body 2 side in a laterally slidable manner.

A third feature is that a driving force take-out portion 50 for taking out the driving force to the cutting device 26 from the engine side is provided on the side of the collecting portion 29 on the side opposite to the cutting device.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of the present invention will be described with reference to the drawings. 1 and 2 are a side view and a plan view of a combine according to the present invention.
A body 2 is supported on the upper part of the body, and a pre-processing unit 3 for cutting and transporting the culm of the field to the rear is provided in front of the body 2 so as to be able to move up and down. A threshing unit 4 is provided for threshing the grain stems conveyed from the processing unit 3 side.

A driver's seat 6 is provided on the side of the pre-processing unit 3 and the threshing unit 4 for seating and operating the airframe 2, and the driver's seat 6 is disposed beside the pre-processing unit 3. A front operation panel 7 and a seat 8 disposed behind the front operation panel 7 and beside the threshing unit 4 are provided. A parking brake pedal 12 protrudes from the floor 11 of the driver's seat 6 in front.

[0008] Thus, the left and right and front and rear swings of the multi-operation lever 9 can be used to steer the body 2 and move the pre-processing unit 3 up and down, and to depress the parking brake pedal 12 to stop the body 2. That is, an operating unit 13 for operating the aircraft, which can operate the aircraft 2 while the multi-operation lever 9 and the parking brake pedal 12 are seated.
It is provided as.

An engine room 14 for accommodating an engine E (see FIG. 7) is formed below the seat 8, and behind the engine room 14 (driver's seat 6), the grain after threshing is paddy. A paddy receiving section 16 for bagging is provided. In the paddy receiving section 16, hanger 17 before and after supporting the paddy bag are provided in the left-right direction, and the hulling cylinder 1 protruding from the threshing unit 4 between the hanger 17 before and after the hanger 17.
The tip of 8 is protruded and the paddy bag is
And by inserting the tip of the milling cylinder 18 close to the grain feeding port of the rice bag or into the grain feeding port, the grains are easily moved (discharged) from the threshing unit 4 to the rice bag, Can be bagged.

On the other hand, the threshing unit 4 obtains a driving force from the engine side as in the conventional case, and inherits the cereal culm conveyed from the pre-processing unit 2 by the feed chain 21. The hull is threshed and dropped into a sorting unit. The hull is sorted by a sifting wind in the sifting unit, and the hulls after threshing can be sent to the paddy receiving unit 16 via the fryer cylinder 18.

A cutting device 26 is provided on the left rear side of the threshing unit 4 for cutting the hull (threating culm) after threshing and discharging the culm to the outside of the machine. After being threshed by 4, it is sent to the cutting device 26 side as culms, cut and discharged outside the machine, and the combine of this embodiment is configured to perform cutting, threshing, and discharging operations as described above. ing.

At this time, as shown in FIGS. 3 and 4, the threshing unit 4 has a collection port 27 for collecting grains (sticking grains) adhering to the culms after threshing, and a collection port 27. A collecting unit 29 having a collecting funnel 28 for guiding the kernels is provided, and the collecting unit 29 is configured to drop and collect the stinging particles. And the collecting unit 29 is the threshing unit 4
The collection funnel 28 and the cutting device 26 are arranged on the rear right side of the vehicle so as to be located in parallel in the left-right direction.

The collecting funnel 28 is formed by a curved upper surface of a cover plate 45 arranged on the side of the cutting device 26, and the side surface of the cover plate 45 formed of a curved plate material on the cutting device side is formed. While being open, the inside of the lower part of the cover plate 45 (recovery funnel 28) is formed as a predetermined space.

The recovery port 27 is formed from the front of the recovery funnel 28 (cover plate 45) to the front of the cutting device 26. Further, a dust chamber 31 for discharging dust in the threshing section 4 is formed below the collecting section 29, and the dust during threshing operation is discharged through the dust chamber 31. Have been.

Next, the structure of the cutting device 26 will be described. As shown in FIGS.
In the cutter case 26a, drums 32, 33 before and after rotating in the A direction, and a rotary cutting portion (cutter) 34 located below the drums 32, 33 and rotating in the A direction are disposed.
Is attached to the drum (finger roll) 32 on the front side, and bends and scrapes the culm.
It is a scraping cutter having a scraping body (finger) 36 to be sent between 33.

As shown in FIG. 5, the culm f conveyed while being laid in the left-right direction from the threshing unit 4 side is bent in a V-shape by the fingers 36 to form the two drums 3.
Both drums 3 sent between 2 and 33 and rotating as described above
2 and 33, the cutter 3 passes between both drums 32 and 33.
4, is cut by the cutter 34 rotating as described above, and is discharged from the discharge port 37.

Next, the mounting and driving structure of the cutting device 26 will be described. As shown in FIG. 6, a bracket 41 is attached to a left side wall 31 </ b> L (a side wall of the threshing unit 4 on the opposite side to the paddy receiving unit 16 side), and the cutter case 26 a is longer than the bracket 41. It is slidably attached to the left and right via a hole 41a and a bolt 35.
That is, the cutting device 26 is mounted and supported on the threshing unit 4 side via the bracket 41 so as to be slidable left and right and fixed in position.

On the other hand, the cover plate 4 in the collecting section 29
5, a drive shaft 53 for driving the cutting device 26 is provided in the left-right direction. The drive shaft 53 is connected to the collection unit 29 via the holder 30 attached to the inner surface of the left and right side walls of the collection unit 29. Are rotatably supported through the left and right side walls 29L, 29R of the. A pulley 46 is attached to the drive shaft 53 outside the collection unit side wall (right side wall) 29R on the paddy receiving unit 18 side, and a driving force is input via the pulley 46.

That is, as shown in FIG.
The second helical shaft 47 in the threshing unit 4 to which the driving force is input from the side is located outside the threshing unit side wall (right side wall) 4R on the paddy receiving unit 18 side as shown in FIG. A pulley 48 is attached, and a transmission belt 49 is looped between the output pulley 48 and the pulley 46.

As a result, a driving force is transmitted from the output pulley 48 (the second spiral shaft 47) to the drive shaft 53, and the drive shaft 53
Is driven to rotate. That is, the driving force take-out unit 50 that takes out the driving force to the cutting device 26 from the engine E side by the two pulleys 46 and 48 and the transmission belt 49, etc.
Is configured on the right side.

On the other hand, the drive shaft 53 is connected to the cutter case 26a.
The left and right side walls 26L, 26R of the
The cutter 34 protrudes from the side wall (left side wall) 26L on the side opposite to the threshing unit 6a, and the cutter 34 is supported by the drive shaft 53 in the cutter case 26a, and the drive shaft 53 is driven to rotate. I was driven to rotate together,
It is configured to cut the culm.

The drive shaft 53 is concentric with the cutting shaft 51 on the side of the cutter case 25 that supports the cutter 34 (coaxial with the cutting shaft 51).
And a transmission shaft 42 connected via a bracket 52. The bracket 52 allows the cutting shaft 51 to slide left and right and transmits a driving force from the transmission shaft 42 to the cutting shaft 51. Have been.

That is, the drive shaft 53 is formed so as to be able to expand and contract in the axial direction by the transmission shaft 42, the bracket 52, and the cutting shaft 51, and the cutting device 26 maintains the transmission state of the driving force, and the threshing unit 4 , Can be slid left and right. That is, the cutting device 26 is attached so that the position of the cutting device 26 can be freely changed in the left-right direction of the body 2.

Further, since the cutting device 26 is attached to the bracket 41 by the elongated holes 41a and the bolts 35, the sliding movement of the cutting device 26 loosens the bolts 35 and the elongated holes 4a.
By using the slide guide 1a as a slide guide for the bolt 35, the positioning can be performed steplessly in the elongated hole 41a by tightening the bolt 35.

With the above structure, the position of the cutting device 26 can be made to correspond to the grain culm length to be cut at the time of cutting operation by sliding the cutting device 26 left and right (position movement), and the cutting operation can be efficiently performed according to the culm length. In particular, since the left and right position adjustment of the cutting device 26 is performed by sliding left and right, the movement of the cutting device 26 can be smoothly performed with a relatively simple mounting structure, and the position of the cutting device 26 can be adjusted. Since the cutting is performed steplessly, the cutting device 26 can be easily positioned and fixed at a more efficient position.

The drive shaft 53 is located above the dust chamber 31 with the left and right side walls 29 of the collecting section 29 interposed therebetween.
L, 29R, that is, the left and right side walls of the collection unit 29 are connected by the drive shaft 53. Thus, the drive shaft 53 reinforces the collection unit 29, that is, the left and right sides of the threshing unit 4 that is formed by continuous (joining) the exterior with the collection unit 29, and increases the number of reinforcing members on the threshing unit 4 more than necessary. There is no need to perform the operation, and the weight of the body 2 is reduced.

On the other hand, a sprocket 54 is attached to the cutting shaft 51 at a position outside the side wall (left side wall) 26L on the side opposite to the threshing section of the cutter case 26a, and a front roll shaft for supporting the finger roll 32. 56 left wall 26L
A sprocket 57 is mounted on the outer side of the gear, and a gear 59 is mounted on the outer side of the left side wall 26L of the raking shaft 58 that supports the raking roll 33. Further, a gear 61 meshing with the gear 59 is rotatably supported via a relay shaft 62 outside the left side wall 26L of the cutter case 26a.

A sprocket 63 rotating integrally with the gear 61 is provided on the relay shaft 62 on the left side wall 2 of the cutter case 26a.
6L, attached to the outside of the sprocket 54,
A belt 64 is looped between 57 and 61. As a result, the finger roll 32 and the scraping roll 33 are driven to rotate with the rotation of the cutter 34 (cutting shaft 51), and the cutting device 26 performs the cutting operation of the culm as described above, that is, the sprockets 54 and 57. , 61 and each gear 5
A drive mechanism 55 of the cutting device 26 is constituted by the belts 64, 9, 61 and the like.

That is, the driving mechanism 55 on the cutting device 26 side
Is provided on the side of the cutting device 26 opposite to the threshing unit, and extracts the driving force to the cutting device 26.
0 is provided on the side wall of the threshing unit 4 on the side opposite to the cutting device. Thereby, the driving force take-out unit 50 and the cutting device 26
It is arranged on the opposite side of the recovery unit 29, and there is no need to protrude the cutting device 26 outside the body 2 more than necessary, and the body width of the combine can be made compact.

Since the cutting device 26 is slidable left and right as described above, the cutting device 26 is slid toward the dust chamber 31 as shown in FIGS. It is also possible to switch the position to the storage position Y in which the space enters the space in the cover plate 45, and store it.

Thus, in the working state of the combine, as shown in FIGS. 6 and 9 (a), the cutting device 26 is positioned at the working position X projecting to the side of the body 2 so that the culm can be removed as usual. When the work is not performed, the cutting device 26 is slid and moved to the collection funnel 28 side at the storage position Y when not in operation as shown in FIG. 9B, and the left end of the cutting device 26 The body width can be reduced so as to be at the same position as the left end of the cover 65.

As described above, as in the combine of the present embodiment, a rear operation unit 71 is provided above and behind the paddy receiving unit 16 so that the operator can operate the body 2 in a standing posture behind the combine, and By adopting the combine as a combine that can be handled as a walk-type combine by the rear operation unit 71, the combine can be made lightweight and compact.

That is, as shown in FIGS.
A driver's seat 6 is provided on the side of the pre-processing unit 3 and the threshing unit 4, and a front operation unit 13 for maneuvering the aircraft is provided in the driver's seat 6 beside the pre-processing unit 3, and behind the front operation unit 13 and threshing. A combine of a type in which each of the seats 8 is arranged on the side of the unit 4, the paddy receiving unit 16 is provided behind the seat 8, and a rear operation unit 71 for operating the airframe 2 is provided above and behind the paddy receiving unit 16. In this case, the size of the fuselage can be made relatively small, and the overall width can be about 1.2 m, the total length is about 2.3 m, and the total height is about 1.3 m.

Thus, the combine can be more easily handled (used) on a relatively narrow farm road or a field in a mountainous area or the like. In addition, the cutting device 26 is slid to the storage position Y to reduce the machine width. Since the combiner can be stored, the combiner can be easily loaded on a transporting vehicle such as a light truck by the storage of the cutting device 6, and can be easily transported. Also, the sliding movement of the cutting device 26 improves the maintainability.

[0035]

According to the structure of the present invention constructed as described above, by moving the position of the cutting device to the collection funnel side (inside of the fuselage), the width of the fuselage during non-operation can be reduced. In addition to being able to easily load light trucks and other transport vehicles, the movement of the cutting device enables the position of the cutting device to correspond to the length of the culm during work, making cutting work more efficient. There is an effect that it can be performed well.

Further, by adjusting the left and right positions of the cutting device by sliding left and right, the movement of the cutting device can be performed smoothly, the mounting structure can be simplified, and a plurality of fixing positions of the cutting device can be easily provided. In some cases, there is an effect that the fixed position can be easily set to be infinite.

On the other hand, by providing the driving force take-out portion on the side of the collecting portion on the side opposite to the cutting device, the driving force take-out portion and the cutting device are arranged on opposite sides of the collecting portion. There is no need to protrude outside the aircraft more than necessary,
The body width can be made compact.

[Brief description of the drawings]

FIG. 1 is a side view of a combine.

FIG. 2 is a plan view of the combine.

FIG. 3 is a perspective view of a cutting device portion.

FIG. 4 is a side view of a cutting device portion.

FIG. 5 is a plan view of a cutting device portion.

FIG. 6 is a rear view of the combine in a state where the cutting device is arranged in a working position.

FIG. 7 is a transmission diagram of a driving force in the combine.

FIG. 8 is a rear view of the combine in a state where the cutting device is disposed at the storage position.

FIG. 9A is a rear view of the cutting device portion in a state where the cutting device is arranged at a work position, and FIG. 9B is a rear view of the cutting device portion in a state where the cutting device is arranged at a storage position. FIG.

FIG. 10 is a rear perspective view of the combine.

[Explanation of symbols]

 2 Body 4 Threshing unit 29 Collection unit 27 Collection port 28 Collection funnel 26 Cutting device 50 Driving force extraction unit

Continuation of the front page (72) Inventor Shinjiro Nowaki 667 Idaicho, Higashiizumo-cho, Yatsuka-gun, Shimane Prefecture 1 F-term in Mitsubishi Agricultural Machinery Co., Ltd. 2B097 AA03 CA06 CJ01

Claims (3)

[Claims] A threshing unit (4) is provided on a machine body (2), and the threshing unit (4) includes a collection unit (29) for dropping and collecting kernels adhering to the culm side after threshing. The collecting section (29) has a collecting port (27) for containing the grains and a collecting funnel (28) for guiding the grains to the collecting port (27), and threshing behind the threshing section (4). Cutting device (2)
6), and in the combine in which the cutting device (26) is arranged beside the collecting funnel (28), the cutting device (2) is used.
6) A mounting structure of a cutting device in a combine which is mounted so that the position of the cutting device can be changed in the left-right direction of the body (2). 2. A mounting structure of a cutting device in a combine according to claim 1, wherein the cutting device is slidably mounted on the traveling body side. 3. A recovery unit (29) for extracting a driving force to the cutting device (26) from the engine side.
3. A mounting structure for a cutting device according to claim 1 or 2, wherein the mounting device is provided on a side surface on a side opposite to the cutting device.