JPH05123038A - Reaping member of combine - Google Patents

Abstract

PURPOSE:To adjust the distance between a chain-guiding rail and a collecting device to facilitate the removal of clogged grain straws, etc., by attaching the chain-guiding rail for guiding the carrying chain of a carrier to the frame of the carrying device in the accessible state. CONSTITUTION:A chain-guiding rail 32 for guiding the carrying chain 31 of a carrying device 21 is accessibly attached to the frame 33 of the carrying device 21 in the state capable of adjusting the access of the chain-guiding rail to a collecting device 25. The clogging of grain straws, etc., generated at a junction A is readily removed by separating the chain-guiding rail from the collecting device 25.

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 Although it is not known, in the specification and drawings of Japanese Patent Application No. 3-18236 of the earlier application filed by the same applicant, a plurality of grass bodies arranged side by side at predetermined intervals in the left-right direction A raising device for raising the culm culms provided at the rear, a cutting blade for cutting the root of the raised culm, and a facing stock gathering device and a front side for conveying the cut culms toward the rear confluence In the apparatus comprising a stock carrier, a chain guide rail for guiding a carrier chain of the carrier is described for a combine harvester fixed to a frame of the carrier.

[0003]

SUMMARY OF THE INVENTION The above-mentioned prior art comprises a facing stock yuan collecting device and a front stock yuan carrying device that carry a product toward a confluence point, and a chain for guiding a carrying chain of the carrying device. Since the guide rail is fixed to the frame of the transfer device, the merging point does not expand even if the merging point is widened for maintenance. To widen the confluence, a chain guide rail may be movably mounted.

[0004]

An object of the present invention is to rotate a chain guide rail of a stock carrier to remove jammed grain culms generated at a junction A.

[0005]

Therefore, according to the present invention, a pulling device for pulling up a plurality of grass bodies 15 arranged side by side at a predetermined interval in the left-right direction and a grass culm provided behind the grass bodies 15. 16 and a cutting blade 20 for cutting the root of the raised grain culm, and a facing stock gathering device 25 and a front stock carrier transporting device 21 for transporting the cut grain culm toward the rear junction point A In the above, the chain guide rail 32 for guiding the transport chain 31 of the transport device 21 is a combine harvester attached to the frame 33 of the transport device 21 so as to be able to move in and out so as to be adjustable in perspective. Is.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. 1 is a machine frame, 2 is a traveling device provided below the machine frame 1, 3 is a threshing device provided above the machine frame 1, Reference numeral 4 is a control section, and 5 is a cutting section. The mowing part 5 is provided with a mowing part frame 7 provided at the tip of a vertically supporting barrel 6 which extends forward from the machine body frame 1 and which is vertically rotatable.
The reaping unit frame 7 is vertically rotatable about the base of the vertical support cylinder 6. A lower horizontal transmission cylinder 8 in the left-right direction is fixed to the tip of the vertical support cylinder 6, and a side transmission vertical cylinder 9 that stands upright is provided on the left side of the lower horizontal transmission cylinder 8 so that the lower horizontal transmission cylinder 8 is A side support frame 10 that does not have a transmission mechanism that stands upright is provided on the right side, and an upper transmission cylinder 11 in the left-right direction is fixed to an upper portion of each of the side transmission vertical cylinder 9 and the side support frame 10. The bases of the mounting rods 12, 12 are fixed to the lower lateral transmission cylinder 8, the cutting blade frame 13 in the left-right direction is fixed to the tips of the mounting rods 12, 12, and the cutting blade frame 13 has a plurality of front and rear portions. The base portion of the directional weed rod 14 is fixed to the left and right at predetermined intervals. A grass body 15 is fixed to the tip of each grass rod 14.

A pulling device 16 is provided behind the grass bodies 15, and a lug type scraping device 1 is provided behind each pulling device 16.
7 is provided, and a star wheel 19 is provided below a drive shaft 18 of the lug type scraping device 17. A cutting blade 20 that cuts the root of the grain culm is provided below the star wheel 19, and a front stock carrier transporting device 21 that conveys the cut grain culm backward is provided above the cutting blade 20. Above the stock-source transporting device 21, front-end tip transporting devices 22, 22 having a two-tiered configuration are provided. The front stock-source transporting device 21 is arranged at an intermediate position between the left and right front stock-transporting devices 21 in the traveling direction of the machine body. In addition, the front side tip transport device 22
Is also arranged in the middle between the left and right sides and the left and right front side tip transporting devices 22 (note that in the case of the four-row cutting, the front side stock source intermediate between the front side stock source transporting device 21 and the front side tip transporting device 22). The transport device 21 and the front-end tip transport device 22 are omitted), and the left-side front stock tip transport device 21 and the front-edge tip transport device 22 transport the left two-row grain culm, and the middle front-end stock transport device 21 and The front-side tip transporting device 22 conveys one row of grain culm, and the right front-side stock yuan transporting apparatus 21 conveys two rows of right-side grain culm. On the rear side of the transfer passage of the device 22, the grain culms conveyed by the right and middle front-side stock transfer device 21 and the front-side tip transfer device 22 are transferred to the stock-source transfer device 23 and the head transfer device 24. Stocks transported to confluence A It is provided with a collection device 25. The left end of the front stock yuan transfer device 21 of the front stock yuan transfer device 21 is located on the side of the end part of the stock yuan gathering device 25, and the confluence point A is located therebetween.

Thus, the stock gathering device 25 is provided with the drive gear 26 at the start end thereof, and the passive gear 29 is provided at the end of the rear chain guide rail 28 for guiding the conveying chain 27 of the stock gathering device 25. , The transport chain 27 is a drive gear 2
6 and the passive gear 29. The rear chain guide rail 28 is rotatably attached at its base side to the mowing section frame 7 side and fixed at its tip end side to the mowing section frame 7 side by a locking device 30. Therefore, when grain culm clogging occurs at the confluence A, when the terminal end of the rear chain guide rail 28 is rotated, the terminal end of the stock collecting device 25 and the terminal end of the left stock carrier conveying device 21 on the left side are rotated. The jammed grain culms can be removed by widening the interval between the grain and the grain. However, when the rear chain guide rail 28 is rotated, the grain culm is dropped or transported during transportation on the starting end side of the stock gathering device 25. Disorders may occur.

According to the present invention, the conveying chain 31 at the end portion of the left front stock origin conveying device 21 facing the end portion of the stock gathering device 25 is moved to the outside to widen the interval of the confluence A and become blocked. Configure to enable removal of grain culm. That is,
The chain guide rail 32 of the transport chain 31 of the left front stock source transport device 21 is configured separately from the front-rear direction scraping frame 33 to which the left lug type scraping device 17 and the star wheel 19 are attached. A front side portion of the chain guide rail 32 is rotatably attached to a front side portion of the take-in frame 33 by a shaft 34, and a terminal end portion 35 of the chain guide rail 32 is attached to and detached from a rear side portion of the take-in frame 33 by a bolt 36 or the like. It can be freely attached, and in normal work, the end portion 35 of the chain guide rail 32 is fixed to the scraping frame 33 by a bolt 36 so as to be located at the working position. At the time of maintenance, the bolt 36 is removed to end the chain guide rail 32. The part 35 is rotated about the shaft 34 to increase the distance between the terminal end of the front stock-side transport device 21 and the terminal end of the stock-source collecting device 25.

The take-up frame 33 has its base fixed to a fixing portion 37 on the side of the mowing section frame 7, and the tip of the take-up frame 33 has a drive shaft for the left lug type take-up device 17 and the star wheel 19. 20 is fixed to a transmission cylinder 38 having a shaft. Reference numeral 39 denotes a guide member provided at the end of the chain guide rail 32, which guides an intermediate portion of the grain culm conveyed to the confluence A, and is formed of an elastic member. The starting end portion of the guide member 39 is fixed to the terminal end portion 35 of the chain guide rail 32, the intermediate portion is positioned parallel to the terminal end portion of the stock gathering device 25, and the terminal end portion of the guide member 39 is configured as a free end. There is. When the guide member 39 is damaged, the chain guide rail 32 only needs to be replaced, and the waste of replacing the scraping frame 33 as in the conventional case is omitted. In the figure, reference numeral 40 is a lever of the left front stock carrier transport device 21, 41 is a slider of the middle front stock carrier carrier 21, and 42 is a right stock carrier carrier 21 and stock gathering. A sliding rod provided on the starting end side of the device 25.

The cutting blade 20 is composed of an upper blade 43 and a lower blade 44 which slide in opposite directions.
45 is a rod, the base of the rod 45 is connected to the drive unit of the cutting unit, and the tip of the rod 45 is the bell crank 4 for the upper blade.
6 is pivotally attached to one end. The other end of the upper blade bell crank 46 is engaged with the upper blade transmission member 47. Upper blade transmission member 47
Is formed in a flat plate shape in a side view, and the base side upper surface of the upper blade 43 is fixed to the lower surface of the upper blade transmission member 47. An arm portion 48 is integrally formed on the base portion of the upper blade bell crank 46, and one end of a rod 49 is pivotally attached to the arm portion 48, and the other end of the rod 49 is attached to one end of the lower blade bell crank 50. Axle. The other end of the bell crank 50 for the lower blade is the transmission member 5 for the lower blade.
Engage 1. The lower blade transmission member 51 is inclined so as to become lower toward the front side, and the lower surface of the lower blade 44 is fixed to the upper end surface of the lower blade transmission member 51. Reference numeral 52 is a guide member that vertically holds the upper blade 43 and the lower blade 44. The relationship between the upper blade transmission member 47 and the lower blade transmission member 51 is that the side surface 53 on the lower blade transmission member 51 side of the upper blade transmission member 47 and the upper blade transmission member 47 of the lower blade transmission member 51. The side surface 54 on the side is formed so that the interval becomes wider toward the rear side, and when a foreign matter enters between the side surface 53 and the side surface 54, the foreign matter is pushed out backward. .. Further, the lower blade transmission member 51 is the upper blade transmission member 4
7, the lower blade transmission member 51 is provided close to the weed rod 14 side. Therefore, a space can be formed between the upper surface of the lower blade transmission member 51 and the lower surface of the weeding rod 14, so that the mud can be removed smoothly and the initial performance of the cutting blade 20 can be improved.

[0012]

[Operation] Next, the operation will be described. Since the present invention has the above-mentioned configuration, when the airframe is moved forward, it is weeded by each of the grass bodies 15, and the weeded culm is raised by the raising device 16,
The root side is cut by the cutting blade 20, the cut grain culms are scraped rearward by the rag type scraping device 17 and the star wheel 19, and the two grain culms on the left side of the scraped grain culms are on the left side. Front stock carrier device 21 and front tip carrier device 22
As a result, the middle one grain culm is the middle front stock carrier 2
1 and the front side tip transporting device 22, the two right-sided grain culms are located on the right front stock side transporting device 21 and front side tip transporting device 2.
The three grain culms, which were respectively conveyed to the rear by 2 and were conveyed by the right and middle front side stock source transporting devices 21 and front side spike tip transporting devices 22, were joined by a stock gathering device 25 at a confluence point A.
At the confluence A, and joins with the grain culm conveyed by the left side front stock carrier transporting device 21 and the front side tip transporting device 22 at the confluence point A, and the merged 5 grain culms are the stock source handing over transporting device 23. It is taken over to the tip transfer device 24, and is transferred to the grain culm supply device on the side of the threshing chamber by the stock source transfer device 23 and the tip transfer device 24, and is supplied to the threshing chamber by the grain culm supply device. To be done.

Therefore, according to the present invention, the chain guide rail 32 of the left front stock carrier 21 is separate from the front rake frame 33 to which the left lug type scraping device 17 and the star wheel 19 are attached. The front side portion of the chain guide rail 32 is rotatably attached to the front side portion of the scraping frame 33 by the shaft 34, and the end portion 35 of the chain guide rail 32 is
Is detachably attached to the terminal end side of the take-in frame 33 with a bolt 36 or the like. Therefore, when the bolt 36 is removed, the chain guide rail 32 becomes rotatable around the shaft 34, so that the stock gathering device. By moving the end portion 35 of the chain guide rail 32 facing the end portion of 25, the distance between the confluence points A is widened to enable removal of jammed culms.

The end portion 35 of the chain guide rail 32 is also provided.
On the side, a guide member 3 that guides the intermediate part of the grain culvert that is located in parallel with the terminal end of the stock gathering device 25 and has been conveyed to the confluence A to the stock takeover transfer device 23 and the tip transfer device 24.
Since the base of 9 is fixed, when the guide member 39 is damaged, it is only necessary to replace the chain guide rail 32, and the waste of replacing the scraping frame 33 as in the conventional case is omitted.

[0015]

EFFECT OF THE INVENTION The present invention provides a plurality of grass bodies 15 arranged side by side at a predetermined interval in the left-right direction, and a raising device 16 for raising the grass culms provided behind the grass bodies 15 and the raised culms. A cutting blade 20 for cutting a root part and a facing stock gathering device 25 and a front stock carrier transporting device 21 for transporting the cut grain culm toward a rear confluence A. The chain guide rail 32 for guiding the transport chain 31 is a combine harvester attached to the frame 33 of the transport device 21 so as to be able to move in and out of the collecting device 25, so that the merge point A The jammed grain culm generated in the above is a chain guide rail 32 for guiding the transport chain 31 of the transport device 21.
Has an effect that it can be easily removed by moving it far from the collecting device 25.

[Brief description of drawings]

FIG. 1 is a side view of a mowing unit.

FIG. 2 is a plan view of the same.

FIG. 3 is a plan view of a main part of a reaping unit.

FIG. 4 is a plan view of a main part.

FIG. 5 is a plan view of an essential part of a cutting blade mounting portion.

FIG. 6 is a side view of the same.

[Explanation of symbols]

1 ... Airframe frame, 2 ... Traveling device, 3 ... Threshing device, 4 ...
Control section, 5 ... Mowing section, 6 ... Vertical support tube, 7 ... Mowing section frame, 8 ... Lower horizontal transmission tube, 9 ... Side transmission vertical tube, 10 ... Side support frame, 11 ... Upper transmission tube, 12 ... Mounting rod, 13
… Cutting blade frame, 14… Dividing rod, 15… Dividing body, 16…
Raising device, 17 ... Lug type scraping device, 18 ... Drive shaft, 19
... Star wheel, 20 ... Cutting blade, 21 ... Front stock carrier transfer device, 22 ... Front tip transfer device, 23 ... Stock transfer device, 24 ... Head transfer device, 25 ... Stock gathering device, 2
6 ... Drive gear, 27 ... Conveyance chain, 28 ... Rear chain guide rail 31 ... Conveyance chain, 32 ... Chain guide rail,
33 ... scraping frame, 34 ... shaft, 35 ... end portion, 36 ...
Bolt, 37 ... Fixed part, 38 ... Transmission cylinder, 39 ... Guide member, 40, 41, 42 ... Sliding rod, 43 ... Upper blade, 44 ... Lower blade, 45 ... Rod, 46 ... Bell crank for upper blade, 47 …
Upper blade transmission member, 48 ... Arm portion, 49 ... Rod, 50
... Bell crank for lower blade, 51 ... Transmission member for lower blade, 52 ...
Guide members, 53, 54 ... Side surfaces.

Claims (1)

[Claims] 1. A plurality of vegetation bodies 15 arranged side by side at predetermined intervals in the left-right direction, a raising device 16 for raising a culm culm provided behind the leaching body 15, and a root portion of the raised culm. A cutting blade 20 for cutting, and a facing stock yuan collecting device 25 and a front stock yuan carrying device 21 for carrying the cut grain culm toward the rear confluence A,
A chain guide rail 32 that guides the transport chain 31 of the transport device 21 is a combine harvester attached to the frame 33 of the transport device 21 so that the chain guide rail 32 can adjust the distance to the collecting device 25.