JPH05123037A - Combine harvester - Google Patents

Abstract

(57) [Summary] [Purpose] Inverted T-shaped downward transmission cylinder 27a for 4-row and 5-row cutting
This makes it easy to assemble and assemble the mowing part and reduce costs. [Structure] A grass body 17 for weeding a grain culm is provided at right and left sides, and a raising device 18 for raising the cultivated grain culm is provided behind each of the weed bodies 17. The pulling device 18 is configured to be driven by a downward transmission cylinder 27 that hangs down from the upper transmission cylinder 13 that houses an upper transmission shaft 35 that is provided above the pulling device 18. One or more of the downward transmission cylinders 27 are formed as inverted T-shaped downward transmission cylinders 27a having a bifurcated tube portion 28 to which two raising devices 18 can be attached. The bifurcated tubular portion 28 is configured to be divided into right and left parts, and the bifurcated tubular portion 28 is configured such that a spacer 29 can be removably interposed in the bifurcated tubular portion 28.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine harvester.

[0002]

2. Description of the Related Art Japanese Patent Application No. 3-182, which corresponds to the prior application of the present application
The specification No. 36 has a grass body for weeding grain culms arranged side by side at a predetermined interval on the left and right, and a pulling device provided behind each of the hay bodies for raising the culled grain culms. However, the harvesting device is described with respect to a combine harvester configured to be driven by a downward transmission cylinder that hangs from an upper transmission cylinder that houses an upper transmission shaft that is provided above the extraction device.

[0003]

In the above-mentioned prior application, since the raising device is attached to the upper transmission cylinder, the grain can be passed easily and there is no entanglement. The configuration of the prior application is manufactured for, for example, four-row cutting or five-row cutting, but if the bifurcated tube portion of the downward transmission tube to which the raising device is attached is divided, four-row cutting and five-row cutting are possible.
It can be used as a common part for cutting, and can cope with changes in the number of cuttings.

[0004]

An object of the present invention is to devise a mounting structure of a pulling device which can be assembled easily and inexpensively in response to a change in the number of threads.

[0005]

DISCLOSURE OF THE INVENTION According to the present invention, a grass body 17 for weeding culms arranged side by side at a predetermined interval on the left and right, and a cultivated rice culm provided behind each of the grass bodies 17 are provided. And a pulling device 18 for pulling the pulling device 1.
In the harvesting part of the combine, which is configured to be driven by the downward transmission cylinder 27 that hangs from the upper transmission cylinder 13 that houses the upper transmission shaft 35 provided at the upper position of 8, one or more of the downward transmission cylinders 27 are An inverted T-shaped downward transmission cylinder 27a having a bifurcated tube portion 28 to which two raising devices 18 can be attached is formed, and the bifurcated tube portion 28 is configured to be divided into left and right parts, and a divided bifurcated tube. A spacer 29 is removably attached to the portion 28 so that
This is a combine harvester that can share the inverted T-shaped downward transmission cylinder 27a for four-row cutting and five-row cutting.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. 1 is a machine body, 2 is a traveling device provided at a lower position of the machine body, 3 is a threshing device provided at a position above the machine body, and 4 is a threshing device. The control unit 5 provided at one position on the front side of the threshing device 3 is a cutting unit provided at a front position of the threshing device 3 and the control unit 4. The mowing part 5 is attached to a mowing part frame 7 provided at the tip of a longitudinal support cylinder 6 in the front-rear direction, the base of which is rotatably attached to the machine body 1, and is vertically moved by rotating the vertical support cylinder 6. Configure freely. The reaping unit frame 7 includes a lower transmission cylinder 10 in the left-right direction attached to the lower portion of the vertical support cylinder 6.
A side transmission cylinder 11 provided on the left side of the lower transmission cylinder 10 and erected upward, and a side support frame 12 provided on the right side of the lower transmission cylinder 10 having no transmission mechanism erected upward.
And a lateral upper transmission cylinder 13 that connects the upper portions of the side transmission cylinder 11 and the side support frame 12 to each other.
Mounting rods 1 in the front-rear direction are provided on the left and right sides of the lower transmission cylinder 10.
4 and 14 are fixed, the left and right cutting blade frames 15 are fixed to the ends of the attachment rods 14 and 14, and the cutting blade frame 15 is provided with a plurality of front and rear cutting rods 16 at the left and right. It is fixed at a predetermined interval.

The reaping section 5 fixes the grass bodies 17 to the tips of the respective grass rods 16, respectively, and each of the grass bodies 17 is provided with a pulling-up device 18 which raises the grain culms to the rear of the grass rods 17. Behind the raising device 18, a tip scraping device 19 and a stock root scraping device 20 are provided, respectively. The stock scraping device 2
A cutting blade 21 for cutting the root of the grain culm is provided below 0.
Above the cutting blade 21, a stocker side transfer device 22 and a tip side transfer device 23 for transferring the cut grain culm backward are provided. The grain culm transported by these is transferred to the confluence point A at the rear side of the transport passage of the stock source side transport device 22 and the tip side transport device 23 on the right side of the stock source side transport device 22 and the tip side transport device 23. A rear-side focusing and conveying device 26 that conveys to the stock-source and succeeding conveying device 24 and the tip tip-conveying device 25.

Since the reaping section 5 is provided with one raising device 18 for one grain culm to be cut, five raising devices 18 are used for five-row cutting and four raising devices 18 are used for four-row cutting. The pulling device 18 is attached to the mowing section frame 7. By devising the attachment structure of the pulling device 18, 5 cuttings (including the cutting section 5 for multiple cuttings) and 4 cuttings 5 are cut. It is constructed so that the parts can be reasonably shared in common. The pulling devices 18 on the left and right sides of the pulling device 18 are attached to the lower portion of a downward transmission cylinder 27 having a straight tubular shape that hangs down from the upper transmission cylinder 13 for both 5-row cutting and 4-row cutting. Intermediate raising device 1
8 is a two-forked cylinder portion 28 on the upper transmission cylinder 13 in the case of five-row cutting.
The upper portion of the inverted T-shaped downward transmission cylinder 27a having the inverted T shape is attached, and the raising device 18 of the two-forked tubular portion 282 is attached. The one raising device 18 on the right side is the upper transmission pipe 13
It is attached to a crank-shaped inverted L-shaped downward transmission cylinder 27b attached to the above. In the case of four-row cutting, the middle two raising devices 18 are attached to the bifurcated tube portions 28 of the inverted T-shaped downward transmission tube 27a, respectively. The bifurcated tube portions 28 are configured to be divided into left and right, A spacer 29 is provided on the bifurcated tubular portion 28.
The two raising devices 18 in the center are attached with the interposition of the above, so that the inverted T-shaped downward transmission cylinder 27a used for the five-row cutting can be used. This point is the gist of the present invention.

That is, one side (right side) with respect to the traveling direction of the reaping section 5 is the already-cut land side, and the other side (left side) is the un-cut land side,
When the grass bodies 17 are located between the rows on the uncut land side, the grain culms on the outside (the already cut land side) of the grass bodies 17 on the cut land side are left uncut. The distance from the second grass body 17 from the right side is the third grass body 17 from the right side.
The pulling device 18 on the right side is positioned at a certain distance inside the grass body 17 on the right side, and the second pulling device 1 from the right side is correspondingly arranged to prevent uncut residue.
8 are provided and arranged at a predetermined interval (note that since there is a non-action area between the second pulling device 18 from the right and the third pulling device 18 from the right, it is not necessary to set the predetermined spacing. ).
And in the case of five-row cutting, the second raising device 18 from the right side
Is independently attached to the inverted L-shaped downward transmission cylinder 27b, the spacing between the right pulling device 18 and the second pulling device 18 from the right is set to a predetermined distance at the mounting position of the L-shaped downward transmission barrel 27b. However, in the case of four-row cutting, the raising device 1 is the second from the right side and the third from the right side of the inverted T-shaped downward transmission cylinder 27a.
8 is attached, this inverted T type downward transmission cylinder 27a
If you just divert the five-row cutting, the right-side pulling device 18
Since the distance between the second pulling device 18 from the right side becomes wide, a spacer 29 is interposed in the portion of the bifurcated tube portion 28 of the inverted T-shaped downward transmission tube 27a of the 5-row cutting, and the 5-row cutting and Further, the inverted T-shaped downward transmission cylinder 27a used for the multi-row cutting section 5 can be commonly used for the four-provisional cutting section 5.

Reference numeral 30 is an input transmission cylinder in the left and right direction above the vertical support cylinder 6, 31 is an input pulley of the reaper, 32 is a vertical transmission shaft provided in the vertical support cylinder 6, and 33 is the lower transmission cylinder 10.
A lower horizontal transmission shaft provided inside, a reference numeral 34 is a side vertical transmission shaft provided inside the side transmission cylinder 11, a reference numeral 35 is an upper horizontal transmission shaft provided inside the upper transmission cylinder 13, and a reference numeral 36 is the downward transmission cylinder 27. A transmission shaft therein, 37 is a lateral lateral transmission cylinder provided in the substantially vertical middle portion of the lateral transmission cylinder 11, and 38 is a lateral downward mounting cylinder provided in the lateral lateral transmission cylinder 37. The drive shaft 39 of the left stock-side transport device 22 of the stock-side transport devices 22 is mounted in the downward mounting cylinder 38. 40 is a side lateral transmission cylinder 37
It is a side upward mounting cylinder provided on the left side of the tip end side conveying device 23 of the tip end side conveying device 23. Reference numeral 41 denotes a downward mounting cylinder attached to the inverted T-shaped downward transmission cylinder 27a, and the middle tip end side conveying device 23 of the tip end side conveying device 23, which is located inside the advancing path of the left outer stock, is attached thereto. Reference numeral 42 denotes a downward mounting tube provided below the intermediate tip side conveying device 23, which drives the intermediate stocker side conveying device 22 located inside the traveling path of the left outer stock of the stocker side conveying device 22. The shaft 43 is mounted. 44 is the reverse L of 5 rows
A downward mounting cylinder attached to the mold downward transmission cylinder 27b,
Among the tip end side conveying devices 23, the middle tip end side conveying device 23 located inside the traveling path of the right outer stock is attached. Four
Reference numeral 5 denotes an upward mounting cylinder provided on the right side of the lower transmission cylinder 10, and a transmission shaft 46 is mounted in the mounting cylinder 45, and a drive gear 47 of the stock side transporting device 22 on the right side in the case of 5 cuttings. The drive gear 48 of the rear-side focusing and conveying device 26 is attached.
Further, in the case of four-row cutting, the drive gear 48 of the rear-side focusing transport device 26 is attached, and this rear-side focusing transport device 26 is also used as the stock-side transport device 22 on the right side.
2 may be provided separately.

The inverted L-shaped downward transmission cylinder 27b is used by removing a part of the bifurcated tube portion 28 of the inverted T-shaped downward transmission cylinder 27a to make the parts common. Further, the lower transmission cylinder 10 and the upper transmission cylinder 13 are configured to be dividable in the left-right direction, and a spacer is interposed to change the length to form the reaper 5 corresponding to the change in the number of threads. .. Therefore, the cutting unit 5 for 5-row cutting has the three tip end side conveying devices 23 on the left side, the right side and the middle thereof. Of these, the center tip end side carrier device 23 is removed, and the left and right tip end side carrier devices 23 are used as they are for commonality. The left and right tip side conveying devices 23 of the four-row cutting are on the left side.
Although the inside of 3 is the grain culm conveying passage X, the tip side conveying device 23 on the right side is formed so that the outside thereof becomes the grain culm conveying passage Y, and is configured to convey the grain culm in an upright state. .. In addition, the case 49 of the tip end side transport device 23 is formed in a bilaterally symmetrical or a longitudinally symmetrical shape, and is formed in a vertically divided case 4
The upper and lower portions of 9 are formed in the same shape to reduce the cost.

[0012] Therefore, the stock-source transfer device 24 and the tip transfer device 25 have their starting end sides handling depth adjusting device 5.
When the grain culm is supplied to the threshing chamber 51 of the threshing device 3 by changing the holding position of the grain culm when it is taken over from the stocker side carrier device 22 and the tip side carrier device 23 Although the handling depth is adjustable, the handling depth is further adjustable by changing the end transport position of the stock transfer device 24. The stock-source transfer device 24 is composed of a transfer chain 52 and a sliding rod 53, and the transfer chain 52 is a drive gear 55 provided on a frame 54 attached to the machine side.
It is wound around guide rollers 56 and 57, and is guided and rotated by a chain guide rail 58 fixed to the frame 54. At the end of the chain guide rail 58, a movable end 59 of a movable handle for adjusting the depth is exposed, and the guide roller 56 is attached to the movable body 59. The rail portion 60 is integrally formed with the winding prevention portion 61 on the rear side of the guide roller 56, and the moving body 59 is rotated around the bolt 62, so that the threshing chamber 51 of the threshing device 3 is provided. The handling depth is adjusted by adjusting the distance to the grain culm supply device 63 that supplies grain culm to perspective. 64
Is a fixing bolt, 65 is a perspective adjusting hole, and 66 is a cover.

[0013]

[Operation] Next, the operation will be described. Since the present invention has the above-mentioned configuration, when the machine body 1 is moved forward, in the case of five-row cutting, the grass culms are divided by the respective grass bodies 17, and the grain culms sown by the grass bodies 17 are raised by the raising device 18, It is cut by the cutting blade 21, and is scraped backward by the tip scraping device 19 and the stock scraping device 20, and the left two crops are held by the stock carrier transport device 22 on the stock side, and the left side is held. The tip side is conveyed by the tip side conveying device 23, the center one grain culm is held by the center stock source side conveying device 22, and the tip side is conveyed by the center tip side conveying device 23. Two
The grain culms are conveyed to the confluence point A by the right-side stocker side conveying device 22 and the right tip end side conveying device 23, and the central and right-side grain culms are conveyed to the confluence point A by the rear side focusing conveying device 26. It merges with the two left-sided grain culms and is taken over by the stock-source transfer device 24 and the tip transfer device 25, and the grains on the side of the threshing chamber 51 are transferred by the stock-transfer device 24 and the tip transfer device 25. It is taken over by the culm feeder 63 and is supplied to the threshing chamber by the culm feeder 63 and threshed.

Further, in the case of four-row cutting, among the rice culms cut by the cutting blade 21, the left two-row rice culms are joined by the left stocker side carrier 22 and the left tip side carrier 23. The second cropping culm on the right side is conveyed to A, the root of the plant is held by the rear side focusing and conveying device 26 on the right side, the tip side is conveyed by the tip side conveying device 23 on the right side, and the culm on the right side is further rear side focusing. It is transported to the confluence A by the transport device 26 and the left side 2
It joins with the grain culm of the article and is taken over by the stock source transfer device 24 and the tip transfer device 25, and the grain transfer device 63 on the side of the threshing chamber 51 is transferred by the stock transfer device 24 and the tip transfer device 25. And is supplied to the threshing chamber by the grain culm feeder 63 and threshed.

In this case, of the left and right side tip end side conveying devices 23, the inside of the left side tip end side conveying device 23 is provided with the grain culm conveying path X.
However, since the tip side transporting device 23 on the right side is formed so that the outside becomes the grain culm transporting path Y, the grain transported by the grain culm transporting path X between the left and right tip side transporting devices 23. Since only the culms pass, the grain culms are transported in an upright state,
The merging at the merging point A is also performed smoothly, and the transfer to the stock-source transfer device 24 and the tip transfer device 25 is also smoothly performed. In addition, one side (right side) with respect to the traveling direction of the mowing unit 5 is the already-cut land side, and the other side (left side) is the uncut land side, but the right side grass body 17 and the second grass body from the right side Since the interval with 17 is wider than the interval between the third grass bodies 17 from the right side, when the grass bodies 17 are located between the rows on the uncut area side, The grass bodies 17 move forward as close as possible to the already-cut area, and all the culms on the already-cut area side are guided by the grass bodies 17 to the raising device 18 to prevent uncut areas.

Therefore, the mowing unit 5 has five raising devices 18 for the five-row cutting and four raising devices 18 for the four-row cutting on the cutting unit frame 7 in correspondence with the number of the grain culms to be cut. Installation,
When assembling the reaper 5 for four-row cutting, the right side of the inverted T-type downward transmission cylinder 27a in which a spacer 29 is interposed at the bifurcated tube portion 28 of the inverse T-shaped downward transmission cylinder 27a used for five-row cutting. Since the second pulling device 18 is attached from the right, the distance between the right pulling device 18 and the second pulling device 18 from the right side can be set to a predetermined interval, and the inverted T-shaped downward facing used for the mowing part 5 of the 5-row cutting The transmission cylinder 27a can be commonly used for the reaping section 5 for four-row cutting. In addition, as described above, the distance between the right side grass body 17 and the second grass body 17 from the right side is set to the third grass grass body 17 from the right side in order to prevent uncut residue on the already-cut land side.
It is necessary to install the pulling device 18 which is wider than the interval of the above and is mounted at a predetermined interval. In the case of four-row cutting, if the inverted T-shaped downward transmission cylinder 27a for five-row cutting is simply diverted, the right-side raising device 18 Then, the distance between the second raising device 18 from the right side becomes narrower, but the spacer 29 is interposed in the portion of the bifurcated tube portion 28 of the inverted T-shaped downward transmission tube 27a of the five-row cutting. Therefore, the pulling device 18 on the right side and 2 from the right side
The spacing between the second raising devices 18 can be set to a predetermined spacing.

[0017]

According to the present invention, the grass bodies 17 for weeding the culms arranged side by side at a predetermined interval on the left and the right, and the pulling device 18 for raising the stalks provided behind each of the grass bodies 17 are provided. Has and
The raising device 18 is configured to be driven by a downward transmission cylinder 27 that is hung from an upper transmission cylinder 13 that houses an upper transmission shaft 35 provided above the raising device 18, and the downward transmission of the combine harvester portion. One or more of the cylinders 27 are formed as an inverted T-shaped downward transmission cylinder 27a having a bifurcated tube portion 28 to which two raising devices 18 can be attached, and the bifurcated tube portion 28 is divided into right and left parts. In addition, the spacer 29 is configured so that the spacer 29 can be removably inserted in the split bifurcated tubular portion 28, and thus the inverted T-shaped downward transmission tubular 27a for four-row cutting and five-row cutting can be shared. Since it is a mowing part, the downward transmission cylinder 27 used for manufacturing the mowing part 5 for five-row cutting can be shared when manufacturing the mowing part 5 for four-row cutting, thus reducing parts cost and assembly cost. .. Further, since the common inverted T-shaped downward transmission cylinder 27a has the spacer 29 detachably interposed in the portion of the bifurcated cylinder portion 28 thereof, the pulling devices 18 can be arranged at a predetermined interval, and the sure and smooth operation can be achieved. It has the effect of being able to perform reaping work.

[Brief description of drawings]

FIG. 1 is a side view of a combine harvester.

FIG. 2 is a plan view of the same.

FIG. 3 is a front view of a transmission mechanism for 5-row cutting.

FIG. 4 is a plan view of a reaping unit for four-row cutting.

FIG. 5 is a front view of the transmission mechanism.

FIG. 6 is a schematic explanatory view of the same.

FIG. 7 is a perspective view of the same.

FIG. 8 is a perspective view of a case of the tip side carrier device.

FIG. 9 is a perspective view of a case of the tip side carrier device.

FIG. 10 is a plan view of the transfer device.

FIG. 11 is a rear view of the transfer device.

FIG. 12 is a plan view of the same operating state.

FIG. 13 is a perspective view of the same.

[Explanation of symbols]

1 ... Airframe, 2 ... Traveling device, 3 ... Threshing device, 4 ... Control part,
5 ... Mowing section, 6 ... Support transmission cylinder, 7 ... Mowing section frame, 1
0 ... Lower transmission cylinder, 11 ... Side transmission cylinder, 12 ... Side support frame, 13 ... Upper transmission cylinder, 14 ... Mounting rod, 15 ... Cutting blade frame, 16 ... Weeding rod, 17 ... Weeding body, 18 ... Raising device 19, 19 tip cleaning device, 20 stock stock cleaning device, 21 ...
Cutting blade, 22 ... Stock-side transfer device, 23 ... Tip-side transfer device,
24 ... Stock transfer device, 25 ... Tip transfer device, 2
6 ... Rear side focusing transport device, 27 ... Downward transmission cylinder, 27a ...
Reverse T-shaped downward transmission cylinder, 27b ... Inverse L-shaped downward transmission cylinder, 2
8 ... Bifurcated tube portion, 29 ... Spacer, 30 ... Input transmission tube, 3
DESCRIPTION OF SYMBOLS 1 ... Mowing section input pulley, 32 ... Vertical transmission shaft, 33 ... Lower horizontal transmission shaft, 34 ... Side vertical transmission shaft, 35 ... Upper horizontal transmission shaft, 3
6 ... Transmission shaft, 37 ... Side lateral transmission cylinder, 38 ... Side downward mounting cylinder, 39 ... Drive shaft, 40 ... Side upward mounting cylinder, 41 ...
Downward mounting cylinder, 42 ... downward mounting cylinder, 43 ... drive shaft, 4
4 ... Downward mounting cylinder, 45 ... Upward mounting cylinder, 46 ... Drive shaft, 47, 48 ... Drive gear, 49 ... Case, 50 ... Handling depth adjusting device, 51 ... Threshing chamber, 52 ... Conveyance chain, 53 ...
Sliding rod, 54 ... Frame, 55 ... Drive gear, 56, 57
... guide roller, 58 ... chain guide rail, 59 ... moving body for adjusting handling depth, 60 ... rail portion, 61 ... winding prevention portion,
62 ... Bolt, 63 ... Grain feeder, 64 ... Fixing bolt, 65 ... Perspective adjustment hole, 66 ... Cover.

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[Procedure amendment]

[Submission date] December 27, 1991

[Procedure Amendment 1]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 7

[Correction method] Change

[Correction content]

[Figure 7]

Claims (1)

[Claims] 1. A weeding body 17 for weeding grain culms arranged side by side at a predetermined interval on the left and right, and a raising device 18 provided behind each of the weeding bodies 17 for raising the weeded grain culms. In the harvesting portion of the combine, the raising device 18 is configured to be driven by the downward transmission cylinder 27 that is hung from the upper transmission cylinder 13 that internally houses the upper transmission shaft 35 provided at a position above the raising device 18. One of the downward transmission cylinders 27
Alternatively, a plurality of them are formed in an inverted T-shaped downward transmission cylinder 27a having a bifurcated tube portion 28 to which two raising devices 18 can be attached, and the bifurcated tube portion 28 is configured to be divided into left and right parts, and is divided. A combine harvester having a structure in which a spacer 29 is detachably interposed in the bifurcated tubular portion 28 so that the inverted T-shaped downward transmission cylinder 27a for four-row cutting and five-row cutting can be shared.