JP2006212042A - Combine harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To stabilize the support of the actuator of the plant-foot side conveyer at the reaper, decrease the obstruction of the conveyance of the grain culms that is caused by the side transmission cylinder driving the plant-foot side conveyer whereby the reaping and conveying of the grain culms are smoothened to increase the reaping work in the combine harvester. <P>SOLUTION: When the reaper (5) is attached to the front side of the thresher (3) of a combine harvester, the left and right lower transmission cylinder (8) is fixed to the top end of the vertically supporting cylinder (6) that is attached on the side of the machine frame (1) so that they may vertically rotatable. Then, the side transmission cylinder (9) is allowed to stand on the left side of the lower transmission cylinder (8) and the side frame (10) having no transmission mechanism is set on the right side of the reaper (5). Further, the side transmission cylinder (9) and the side frame (10) are connected to the left right upper transmission cylinder side (11) at the upper sides each. Finally, the plant-foot side conveyer on the left side (20a) among plant-foot side conveyers (20) is constituted so that it may be driven from the vertical center of the side transmission cylinder (9). <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a combine.

Conventionally, a combine has been provided with a cutting unit including a weeding body, a pulling device, a stock source scraping device, a cutting blade, and a stock source side transport device. This cutting part is provided with a side transmission cylinder standing upright on the left side of the lower transmission cylinder, and drives the pulling device through the upper transmission cylinder provided in the right direction from the upper part of the side transmission cylinder, so that the middle of the lower transmission cylinder There is a configuration in which the stock-source-side transport device is driven from the upper end of the transmission cylinder standing up at the section. (For example, see Patent Documents 1 and 2.)
Microfilm of Japanese Utility Model No. 59-193028 (Japanese Utility Model Application No. 61-105446) Microfilm of Japanese Utility Model No. 57-186926 (Japanese Utility Model Application No. 60-77334)

  In the above-described prior art, since the support rigidity of the pulling device and the like is low, the support is not stable, and the transmission cylinder that drives the stock-source-side transport device hinders the transportation of the cereal, and the reaping of the cereal is performed. There was a defect that the conveyance could not be performed smoothly and the efficiency of the cutting operation was reduced.

In order to solve the above-mentioned problems, the present invention takes the following technical means.
That is, in a combine provided with a traveling device (2) below the body frame (1) and a threshing device (3) on the body frame (1), a cutting part ( 5), a vertical support cylinder (6) is attached to the body frame (1) side so as to be rotatable up and down, and a lower transmission cylinder (8) in the left-right direction is fixed to the tip of the vertical support cylinder (6). The side transmission cylinder (9) is provided upright on the left side of the lower transmission cylinder (8) and the side frame (10) having no transmission mechanism is provided on the right side of the cutting part (5), The upper side of the side transmission cylinder (9) and the side frame (10) is connected to the upper transmission cylinder (11) side in the left-right direction, and the stock on the left side of the stock source side transfer device (20) A side conveying device (20a) is configured to be driven from an upper and lower intermediate position of the side transmission cylinder (9). Is the Vine.

  Thus, the rigidity is increased by the lower transmission cylinder 8, the side transmission cylinder 9 rising from the left side, the right side frame 10 of the cutting part 5 and the upper transmission cylinder 11, and the pulling device 16 and the left side stock side The support of the drive unit of the transport device 20a is stabilized, and the harvesting and transporting of the cereals is performed smoothly. Further, since the stocker side transport device 20a on the left side of the stocker side transport device 20 is driven from the upper and lower intermediate positions of the side transmission tube 9 standing on the left side of the lower transmission tube 8, this side transmission tube. 9 is less likely to hinder the transportation of cereals.

  According to this invention, the support of the drive unit of the left stocker side transport device 20a is stabilized, and the side transmission cylinder 9 that drives the left stocker side transport device 20a prevents the cereals from being conveyed. It is possible to reduce the grain harvesting and transportation smoothly, and to increase the efficiency of the harvesting work.

  BEST MODE FOR CARRYING OUT THE INVENTION The best mode for carrying out the present invention will be described with reference to the drawings. Reference numeral 1 denotes a machine frame, 2 denotes a traveling device provided at a lower position of the machine frame 1, and 3 denotes a threshing device provided at an upper position of the machine frame 1. Reference numeral 4 denotes a control unit provided at a position on the front side of the threshing device 3, and reference numeral 5 denotes a cutting unit provided at a position in front of the threshing device 3 and the control unit 4. The cutting part 5 is configured to be movable up and down by attaching a base part to a tip of a vertical support cylinder 6 that is rotatably attached to the body frame 1 side. Reference numeral 7 denotes a cutting upper and lower cylinder. A lower transmission cylinder 8 in the left-right direction is fixed to the lower part of the vertical support cylinder 6, and a side transmission cylinder 9 that rises upward on the left side of the lower transmission cylinder 8 stands upward on the right side of the lower transmission cylinder 8. Side frames 10 that do not have a transmission mechanism are provided, and the side transmission cylinder 9 and the upper part of the side frame 10 are connected by an upper transmission cylinder 11 in the left-right direction. The bases of the mounting rods 12 and 12 in the front-rear direction are fixed to the left and right positions of the lower transmission cylinder 8, and the horizontal cutting blade frame (frame) 13 is fixed to the tips of the mounting rods 12 and 12. The cutting blade frame 13 is fixed with the base portions of the plurality of weed ridges 14 in the front-rear direction at predetermined intervals on the left and right.

  The mowing unit 5 fixes the weed bodies 15 to the tips of the weed pods 14, respectively, and is provided with pulling devices 16 for raising the weed cereals behind the weed bodies 15. Are provided with a rag-type scooping device 17 and a stock-cured starfoil device (stock-cured starfoil) 18, respectively. A cutting blade 19 is provided for cutting. Above the cutting blade 19, a stock source side converging transport device (stock source side transport device) 20 and a tip side transport device 21 for transporting the cut cereal to the rear takeover point A are provided. In the embodiment of the four-row mowing unit 5, the stocker-side converging and conveying device 20 includes a left-side stocker-side converging and conveying device 20a and a right-side right stocker-side converging and conveying device 20b in a square shape. 3 (Fig. 3), in the embodiment of the five-row mowing section 5, an intermediate stock source side converging transport device 20c is provided between the left stock source side converging transport device 20a and the right stock source side converging transport device 20b. In the rear side of the conveyance path of the right stocker-side converging and conveying device 20b and the intermediate stocker-side converging and conveying device 20c, the right stocker side is located at the takeover point A of the left end of the left stocker-side converging and conveying device 20a. A rear stock source side converging transport device 24 for transporting the cereals transported by the converging transport device 20b and the intermediate stock source side converging transport device 20c is provided. Between the takeover point A and the threshing device 3, a stock takeover transfer device 22 and a tip takeover transfer device 23 are provided.

  Thus, the upper transmission cylinder 11 is attached with the upper part of the downward transmission cylinder 25, the upper part of each pulling device 16 is attached to the downward transmission cylinder 25, and the lower part of the pulling device 16 is attached to the weed cage 14. . The downward transmission cylinder 25 is formed in a straight cylindrical shape on the left and right sides, while the central downward transmission cylinder 25 is formed in an inverted T shape. In the embodiment of the five-row cutting part 5, the downward transmission cylinder 25 on the left side of the center is formed in a crank shape. An upper portion of the downward mounting cylinder 27 that extends downward is fixed to the bifurcated cylinder portion 26 of the downward transmission cylinder 25 that is formed in an inverted T shape. A case of the right tip side transport device 21 of the tip side transport device 21 is attached to the lower portion of the mounting cylinder 27. Further, in the embodiment of the 5-row cutting part 5, a case of the intermediate tip side transport device 21 located inside the traveling path of the left outer stock of the tip side transport device 21 is attached to the lower part of the downward mounting cylinder 27. Although not shown in the drawings, the upper part of the downward mounting cylinder that extends further downward is fixed to the lower surface of the case of the intermediate tip side transporting device 21, and the stock-source-side focusing transporting device is attached to the lower end portion of the transmission shaft of the downward mounting tube. Among them, the driving gear of the intermediate stocker-side converging and conveying device 20c located inside the traveling path of the left outer stock is fixed. The crank-shaped downward transmission cylinder 25 is fixed with an upper portion of a downward mounting cylinder 28 extending downward, and at the lower portion of the downward mounting cylinder 28, the right outer strain of the tip side transport device 21 is fixed. Attach the case of the right tip side transport device 21 located inside the traveling path.

  A base portion of a side lateral transmission cylinder 29 protruding inward is attached to a substantially vertical middle position of the side transmission cylinder 9, and a vertical mounting cylinder 30 in the vertical direction is attached to the front side of the side lateral transmission cylinder 29, A case of the left tip side transfer device 21 of the tip end side transfer device 21 is attached to the upper part of the attachment tube 30, and the drive shaft 31 protruding from the lower part of the attachment tube 30 has the left stocker side convergence transfer device 20 a. The drive gear 32 is fixed. In addition, the lower part of the upward mounting cylinder 33 is attached to the right side of the lower transmission cylinder 8, and in the embodiment of the four-row mowing part 5, the drive shaft 34 in the upward mounting cylinder 33 is focused on the right stocker side. The drive gear 35 of the transport device 20b is fixed. In the embodiment of the five-row mowing section 5, the drive shaft 34 is provided with the drive gear 36 of the rear stocker side converging and conveying device 24 in addition to the drive gear 35 of the right stocker side converging and conveying device 20b. .

  Thus, 37 is a support frame that supports the downward mounting cylinder 27 attached to the inverted transmission cylinder 25 of the inverted T shape (FIGS. 1, 3, 5, and 6). It is formed in a substantially S shape. A lower portion 38 of the support frame 37 is inclined so as to become lower toward the front side, a lower end portion thereof is fixed to the weed ridge 14, an upper portion 39 is positioned substantially parallel to the downward mounting cylinder 27, and The upper end is fixed to the bifurcated portion 26 of the inverted T-type downward transmission cylinder 25. The downward mounting cylinder 27 is fixed to the upper part 39 via a stay 40. A stay 41 is fixed at the front and rear intermediate position of the lower portion 38 of the support frame 37, and a stay 43 fixed to the central portion of the connecting rod 42 in the left-right direction is fixedly attached to the stay 41. Middle portions of the vertical transmission cylinders 44, 44 are fixed to the left and right ends of the connecting rod 42, and the transmission cylinders 44, 44 are connected to the lug type tip stapling device 17 and the stock-source stapling star wheel device 18. A pair of left and right lug-type scooping device 17 and stock-curled starfoil device 18 located on the center side are respectively attached.

  Reference numeral 45 denotes a support frame provided on the cut portion 5 of the five-row cutting (FIGS. 4 and 7). The support frame 45 is provided on the right side of the support frame 37, and is S-shaped when viewed from the side. To form. The support frame 45 is formed by dividing a lower portion, and when viewed from above, a front lower portion 46 having an inverted L shape, a bent horizontal flange portion 47 of the front lower portion 46, and a rear side fixed to the horizontal flange portion 47 The lower part 48 and the upper part 49 following the rear lower part 48 are configured. The lower end of the front lower part 46 is fixed to the weed ridge 14, and the upper end part of the upper part 49 is fixed to the lower part of the downward mounting cylinder 27. . The downward mounting cylinder 28 is fixed to the upper part 39 via a stay 40. An intermediate portion of the vertical transmission cylinder 50 is fixed to the end of the horizontal flange 47, and the transmission cylinder 50 has a central right side of the lug-type scoring device 17 and the stock-curled starwheel device 18. A pair of lug-type scooping device 17 and stock-curled starfoil device 18 are attached respectively.

  Therefore, a stay 51 is fixed to the lower portion 38 of the support frame 37 of the cutting unit 5 for four-line cutting, and the left stocker side converging and conveying device 20a and the right stocker side converging and conveying device 20b are attached to the stay 51. Install the reeds 52 and 53. The left stocker-side converging and transporting device 20a and the right stocker-side converging and transporting device 20b include a transport chain 54 and 55 and the ridges 52 and 53 provided in the vicinity of the side portions of the transport chain 54 and 55, so The support frame 37 is also used as a support and attachment member for the cocoons 52 and 53, and forms a space below the cocoons 52 and 53 to smoothly convey the cereal. Accordingly, the stay 51 has a square shape on the left and right sides of the lower portion 38 of the support frame 37 and protrudes and is fixed so as to be parallel to the lower portion 38. The eaves 52 and the eaves 53 are removably attached to the conveyance chain 54 and the conveyance chain 55 so as to be freely movable. 56 and 57 are guide members provided at the respective ends of the flanges 52 and 53 and are elastically biased so as to be close to the transport chain 54 and the transport chain 55 side.

  As shown in FIG. 4, the support frame 45 provided on the cut portion 5 of the five-row cutting has the hooks of the right stocker-side converging and conveying device 20 b and the rear stocker-side converging and conveying device 24. 58 and the flange 59 of the intermediate stocker-side converging and conveying apparatus 20c are attached. On the left and right sides of the rear lower portion 48 of the support frame 45, a stay 60 that is C-shaped and protrudes so as to be parallel to the rear lower portion 48 is fixed. The hook 58 is attached to the left side of the stay 60 so that the end of the hook 59 can be moved into and out of the transport chain 54 and the transport chain 55, respectively. The starting end of the hook 58 is a free end, but the starting end of the hook 59 is attached to the weed ridge 14.

  Thus, each of the pulling devices 16 is formed in a pulling case 63 formed to be separable into a rear case 61 fixed to the cutting part 5 side and a front cover 62 detachably attached to the rear case 61. A drive mechanism for the endless chain 65 is provided in which the pulling lugs 64 are attached in a undulating manner at a predetermined interval. 66 is a drive gear, 67 is a tension gear, and 68 is a boss provided in the lower part of the rear case 61. A lower guide roller 69 is fitted to the boss 68 so as to be rotatable only. The endless chain 65 is wound around the gear 67 and the lower guide roller 69.

  When viewed from the front, one side of the pulling case 63 is formed on a working side where the pulling lug 64 rises in a standing state, and the other side of the pulling case 63 is a non-working side where the pulling lug 64 descends in a lying state. However, a lug guide 70 is provided between the rear case 61 on the working side and the front cover 62 to guide the pulling lug 64 upright. The lug guide 70 has a substantially channel shape in cross section by a front plate 71, a rear plate 72, and a working side plate 73, and is formed long in the moving direction of the pulling lug 64, and does not act on the side plate 73. A passage 74 of the endless chain 65 that is recessed to the side is formed. 75 is an insertion hole penetrating in the front and rear formed in the front plate 71 and the rear plate 72, and 76 is a plurality of projections projecting toward the front cover 62 provided in the rear case 61. An engagement groove 77 is formed at the front end (tip). An engagement plate 78 is fixed inside the front cover 62, and an engagement portion 79 is formed on the engagement plate 78 to engage the engagement groove 77 of the protrusion 76. That is, the lug guide 70 has the insertion hole 75 fitted in the projection 76, and in this state, the engagement portion 79 of the engagement plate 78 of the front cover 62 is engaged with the engagement groove 77 of the projection 76 of the rear case 61. Fix them together.

  Thus, the front plate 71 and the rear plate 72 of the lug guide 70 are each formed with an engagement groove 80, and a circular elastic member 81 is fitted into the engagement groove 80. The elastic member 81 projects forward and backward from the engagement groove 80 to prevent the back case 61 and the front cover 62 from rattling. Reference numeral 82 denotes an engagement body for fixing the upper portion of the front cover 62 to the downward transmission cylinder 25 side. The engagement body 83 is formed in a shape next to the downward direction from the elastic wire rod and is provided on the downward transmission cylinder 25. Is inserted and engaged from below. That is, the pulling case 63 has the upper part of the rear case 61 fixed to the downward transmission cylinder 25, the lower part of the rear case 61 fixed to the weed ridge 14, and the front cover 62 is attached to the rear case 61. The engaging body 82 is elastically attached to the engaging piece 83 to prevent rattling.

  An engagement hook 85 that engages with the groove 84 of the boss 68 of the lower guide roller 69 is provided on the rear surface of the rear case 61 located on the rear side of the lower guide roller 69. A spring 86 biases the engagement hook 85, and a knob 87 opens the engagement hook 85.

  FIG. 19 shows a mounting structure of a narrow guide 88 provided on the left side (uncutting ground side) of the cutting part 5, and the front end of the narrow guide 88 is rotatable to the weed ridge 14 on the lower rear side of the pulling case 63. The narrow guide 88 is formed in a shape that is positioned on the outer side and the upper side as it reaches the rear side. The upper end of the rotary arm 89 is fixed to the middle portion of the narrow guide 88, and the lower end of the rotary arm 89 is It is attached to a stay 90 provided at the rear end of the weed ridge 14. Therefore, since the front end of the narrow guide 88 is rotatably attached to the weed ridge 14 on the lower rear side of the pulling case 63, it does not interfere with the conveying path of the cereal and acts smoothly, and the cereal waste etc. It is possible to prevent adhesion of foreign matter. Further, since the intermediate portion of the narrow guide 88 is supported by the turning arm 89, the rigidity of the narrow guide 88 is also improved. Further, since the stay 90 is fixed to the weed ridge 14 and the cutting blade frame 13, it constitutes a part of the strength member. In addition, the narrow guide 88 is rotated and stored in the cutting part 5 side when not in use.

  Next, the operation will be described. Since it is the above configuration, when the aircraft is moved forward, the weeds are divided by each weed body 15, the weed culms are pulled by the pulling device 16, and the pulled culms are cut by the cutting blade 19, It is scraped backward by the lag type scooping device 17 and the stock-curing starfoil device 18, the stock is held by the right and left stock-side converging and transporting devices 20a and 20b, and the stock side is transported by the stock-side transport device 21. Is transferred to the transfer point A at one location through the transfer path and transferred to the stock takeover transfer device 22 and the tip transfer device 23, and is transferred to the threshing room side by the stock takeover transfer device 22 and the tip transfer transfer device 23. The cereal supply device of the part is taken over, and is supplied to the threshing room by the cereal supply device and threshed. In the case of 5-row cutting, the stock is held by the right and left middle stocker-side converging and transporting devices 20a, 20b, and 20c, the tip side is transported by the head-side transporting device 21, and the right stocker-side converging and transporting device 20b and the middle The cereals conveyed by the stocker-side converging and transporting device 20c are transported to a single takeover point A by the rear stocker-side converging and transporting device 24, and are taken over by the stocker takeover and transporting device 22 and the tip takeover and transporting device 23. It is handed over to the cereal supply device at the side of the threshing chamber by the stock takeover transport device 22 and the tip takeover transport device 23, and is supplied to the threshing chamber by the cereal supply device and threshed.

  In this case, in the four-row cutting, the left and right stock-side converging and conveying devices 20a and 20b are transferred to the transfer chain 54 and 55 by the chain 52 and 53 near the side of the transfer chain 54 and 55. The base of the heel is held and conveyed, and the ridges 52 and 53 are attached to the stay 51 provided on the support frame 37 so as to be movable in and out so as to be able to move toward and away from each of the conveyance chain 54 and the conveyance chain 55. Since the stay 51 is formed so as to protrude in a substantially horizontal direction with respect to the lower portion 38, a space is formed at a position below the baskets 52 and 53 to smoothly convey the grains.

  In addition, since the stay 51 is formed in a C shape with respect to the lower portion 38, even if the transported culm is clogged between the reeds 52, 53 and the transport chains 54, 55, The load to be conveyed is evenly applied to the stays 51 protruding to the left and right sides of the lower portion 38 to prevent damage to the stays 51 and the mounting portions of the stays 51.

  Also in the embodiment of the five-row cutting part 5, the stay 60 provided on the support frame 45 is formed in a square shape on the rear lower portion 48 of the front support frame 45 and protrudes in a substantially horizontal direction. Since it is formed so as to achieve the same effect.

  Further, the support frame 45 is formed in an S shape when viewed from the side, and the front horizontal portion front lower portion 46 of the support frame 45 is also an inverted L shape when viewed from above, and the front end of the front lower portion 46 is formed in the above-described manner. The intermediate part of the transmission cylinder transmission cylinder 50 is fixed to the end of the bent lateral flange part 47 of the bent lower part 46 of the front lower part 46, and the lug type tipping device is attached to the transmission cylinder 50. Since the pair of lug-type scrubbing device 17 and stockstock-sticking starfoil device 18 located on the right side of the center of the stock 17 and stock-cured starfoil device 18 are attached, the rug-type scooping starfoil device 17 and the stock At the position away from the mounting portion of the former stir-up star wheel device 18, the right stocker-side converging and conveying device 20 b and the rear stocker-side converging and conveying device 24 挾 扼 杆 58 and the intermediate stocker-side converging and conveying device 20 c. Step with 59 60, a lag type scooping device 17 and a stock-source-stucking starfoil device 18, the right stocker-side converging and transporting device 20b and a rear stocker-side converging and transporting device 24, and the intermediate stockholder Each maintenance of the side focusing and conveying apparatus 20c can be easily performed.

  In addition, for convenience of explanation, the above embodiment has been described separately for the four-row cutting and the five-cut cutting, but the number of cutting is not limited. Or all of the arrangements for attaching the ridges to one or all of the support frames.

  Next, the effect will be described. That is, since a space can be formed in the lower position of the cocoons 52 and 53, the cocoons 52 and 53 do not interfere with the cereal conveyance passage, and the cereal can be smoothly conveyed. It is possible to prevent clogging of the bag and prevent damage to the bag and the mounting part of the bag. Moreover, since the collars 52 and 53 are attached to the support frame 37, the attachment part of the collars 52 and 53 can be separated from the stock-source scraping device 18, and maintenance is also facilitated.

The side view of the harvesting part of a combine. FIG. The principal part top view for 4 line cutting. The principal part top view for 5 cuttings. The side view of a cutting part. FIG. The side view of a cutting part. The front view of a pulling apparatus. The rear view of a front side cover. The front view of a rear case. The same side view. The perspective view of a lug guide. The mounted state perspective view of the elastic member. FIG. The side view of a pulling apparatus. The upper rear view of a front side cover. Sectional drawing. The lower rear view of a pulling apparatus. The side view of a cutting part. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Airframe frame 2 Traveling device 3 Threshing device 5 Harvesting part 6 Vertical support cylinder 8 Lower transmission cylinder 9 Side transmission cylinder 10 Side frame 11 Upper transmission cylinder 20 Stock-source-side convergence conveyance apparatus (stock-source-side conveyance apparatus) )
20a Left stocker side converging transport device (left stocker side transport device)

Claims (1)

  In a combine provided with a traveling device (2) on the lower side of the machine body frame (1) and provided with a threshing device (3) on the machine body frame (1), a cutting part (5) on the front side of the threshing device (3). The vertical support cylinder (6) is attached to the machine body frame (1) so as to be pivotable up and down, and the lower transmission cylinder (8) in the left-right direction is fixed to the tip of the vertical support cylinder (6). A side transmission cylinder (9) is provided upright on the left side of the lower transmission cylinder (8), and a side frame (10) having no transmission mechanism is provided on the right side of the cutting part (5). The upper side of the transmission cylinder (9) and the side frame (10) is connected to the upper transmission cylinder (11) side in the left-right direction, and the stocker side transport on the left side of the stocker side transport device (20). A combiner characterized in that the device (20a) is driven from the upper and lower intermediate positions of the side transmission cylinder (9). .

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