JP2010094082A - Combined harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a combined harvester enabling smooth traveling on a road and also having a sufficient grass-dividing performance. <P>SOLUTION: The combined harvester equipped with a pre-treating frame 10 supporting a pre-treating part 3 linked with the frontal direction of a traveling machine body 2 and performing the reaping works of cereal culms, arranging a plurality of front to rear directional dividers 24 formed as projecting in a frontal direction from the lower end side of the pre-treating frame 10 as a row in a left and right direction, and having a narrower left and right width of the traveling machine body 2 than the left and right width of the pre-treating frame 10 so that the left and right outer most ends of the pre-treating frame 10 are positioned each at the more outsides than the left and right outer most ends of the traveling machine body 2 is provided by supporting at least one of left and right outer most dividers 24L, 24R which are the dividers 24 arranged at the left and right both ends, as a working posture for projecting to outside from the outermost end of the near side pre-treating frame 10 and a not-projecting housing posture at the pre-treating frame 10 side as posture switchable. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a combine equipped with a divider.

A pre-processing frame that is connected to the front of the traveling machine body and supports a pre-processing unit that performs grain harvesting work, and a plurality of front and rear dividers that are formed to protrude forward from the lower end of the pre-processing frame are arranged in parallel in the left-right direction. The combine shown in Patent Documents 1 and 2 in which the left and right widths of the traveling vehicle body are narrower than the left and right widths of the preprocessing frame so that the left and right outermost ends of the preprocessing frame are positioned outside the left and right outermost ends of the traveling vehicle body, respectively. Is known (in particular, see FIG. 4 of Patent Document 1).
JP-A-5-268822 Japanese Utility Model Publication No. 55-81534

The above-mentioned combine is that the left and right outermost dividers are the dividers arranged at the left and right ends (both ends) of the plurality of dividers arranged in parallel on the left and right sides, with the preprocessing frame being larger than the left and right width of the traveling body 3 Is disposed at a position protruding outward from the preprocessing frame, the left and right width of the entire reaping device is further increased, and the outermost divider prevents the outermost divider from being preprocessed while the combiner travels on the road. When it arrange | positions so that it may not protrude outside from a flame | frame, there exists a subject that sufficient weeding performance at the time of cutting work may not be ensured.
An object of the present invention is to solve the above-mentioned problems and to provide a combine that enables smooth road traveling and has sufficient weeding performance.

  In order to solve the above-described problems, the combine harvester of the present invention firstly includes a pretreatment frame 10 that is connected to the front of the traveling machine body 2 and supports the pretreatment unit 3 that performs the harvesting operation of the cereals, A plurality of front and rear dividers 24 projecting forward from the lower end side of the frame 10 are arranged in parallel in the left-right direction, and the left and right outermost ends of the pretreatment frame 10 are respectively outside the left and right outermost ends of the traveling machine body 2. In a combine where the left and right width of the traveling machine body 2 is narrower than the left and right width of the preprocessing frame 10, at least one of the left and right outermost dividers 24 </ b> L and 24 </ b> R, which are the dividers 24 arranged at both left and right ends, The processing frame 10 is supported on the preprocessing frame 10 side so that the posture can be switched between a working posture protruding outward from the outermost end of the processing frame 10 and a housing posture not protruding.

  Second, the distal end side of the left outermost divider 24L in the working posture is characterized by being substantially parallel to the traveling direction.

Thirdly, the left and right outermost dividers 24L and 24R are supported so as to be switchable between a working posture and an accommodation posture, and compared with the leftmost outermost divider 24L, the outermost divider 24R on the rightmost side of the preprocessing frame 10 is supported. left and right outermost divider 24L so that the protrusion amount D _R from the outer end increases, and characterized by being configured to 24R.

  Fourth, the posture switching can be performed by supporting the outermost divider 24L so as to be rotatable about an axis.

  According to the combine of the present invention configured as described above, the left and right widths when traveling on the road can be made as small as possible, and it is easy to sufficiently ensure the weeding performance when performing the cutting operation in the field. There is.

  Further, since the tip end side of the divider in the working posture is substantially parallel to the traveling direction, there is an effect that it is easy to secure the strength of the left outermost divider that weeds the uncut side. .

  In addition, the left and right outermost dividers are supported so that the posture can be switched between the working posture and the housing posture, and the amount of protrusion from the outermost end of the pretreatment frame of the right outermost divider is larger than that of the left outermost divider. By configuring the left and right outermost dividers so as to be, it becomes easier to increase the strength of the leftmost outer divider on the uncut side relative to the rightmost outer divider that weeds the already cut side. There is an effect.

  Further, if the posture switching is enabled by supporting the outermost divider so as to be rotatable about the axis, there is an effect that the strength of the leftmost outermost divider is further improved.

  1 to 3 are a side view, a plan view, and a front view of a self-removable combine to which the present invention is applied. The combine includes a traveling machine body (vehicle body) 2 supported by a pair of left and right crawlers 1L and 1R as a traveling unit, and a reaping device 5 disposed in front of the traveling machine body 3. The reaping device 5 includes a pre-processing unit 3 that cuts grain culms in a field whose intervals are set at predetermined intervals, and a frame (pre-processing frame, frame unit) 10 that supports the pre-processing unit 3. And is connected to the front end of the traveling machine body 3 so as to be driven up and down. This combine is a cutting device that drives the left and right crawlers 1L and 1R to travel the traveling machine body 2 by the operation of an operator who has entered the cabin 4 standing on the right (right) side of the traveling machine body 2 in the traveling direction. No. 5 is used to cut the grain cereals in the field.

  Note that, in the case of normal harvesting, the combine is configured so that the traveling machine body 2 is moved in the forward direction (traveling direction) with the left side facing the uncut area of the field and the right side facing the already cut area of the field. While traveling, the pre-processing unit 3 cuts the front grain culm.

  The cereals harvested by the reaping device 5 are transported backward to the left front side on the traveling machine body 2 by the transport device 6 and then transported backward along the handling room of the threshing unit 7 on the left side of the traveling machine body 2. To the feed chain 8. The cereals passed to the feed chain 8 are handled and processed (threshing process) in the process of passing through the handling chamber to become waste, and are transported to the rear end of the traveling machine body 2 by a waste transporting body (not shown). Is done. The waste conveyed to the rear end of the traveling machine body 2 is discharged from the rear end of the traveling machine body 3 as it is or after being cut by the cutter unit 9 at the rear end part of the traveling machine body 2.

  On the other hand, the material handled in the handling room leaks into the sorting room (not shown) below the handling room, and the wastes and grains and grains are separated by the rearward and upward sorting wind generated in the sorting room. After being sorted into (i), sawdust and the like are discharged from the rear end of the traveling machine body 2 to the outside of the machine, and the grains are accommodated in the Glen tank 11 on the right rear side of the traveling machine body 2. And the grain accommodated in the Glen tank 11 is discharged | emitted out of the machine by the auger 12 supported by the rear-end part right side of the traveling body 2 so that horizontal rotation and free rocking are possible.

  The combine is provided with a pair of left and right side mirrors 13L and 13R, and is configured so that an operator in the cabin 4 can visually check the state of the combine, particularly the left and right sides. The left side mirror 13L is supported on the frame 10 side by a vertical support rod 14 such that the left side mirror 13L can be horizontally rotated. One end of the right side mirror 13R is supported on the outer side (outside) of the cabin 4 so as to be horizontally rotatable. The other end of the inverted U-shaped support rod 16 is attached and supported.

  With the support structure described above, the left and right side mirrors 13L and 13R have a normal posture in which the mirror surface faces rearward so as to spread in the left and right and up and down directions, and the mirror surface is visible to the operator in the cabin 4, and the mirror surfaces are front and rear and up and down. It is configured to be switchable to an accommodation posture (housing posture) in which it faces the inner side (inner side) so as to spread in the direction and is accommodated (housing) in the front view from the left and right ends of the frame 10.

Next, the configuration of the reaping device 5 will be described with reference to FIGS.
4 and 5 are a side view and a front view of the reaping device. The reaping device 5 is composed of the frame 10 and the preprocessing unit 3 as described above, and the preprocessing unit 3 is supported on the frame 10 side and used for various operations of harvesting cereals. Various devices that are supported on the frame 10 side and constitute the transport device 6 are provided. The left and right side surfaces of the pretreatment unit 3 are covered with side covers 18L and 18R, and the front sides of a plurality of pulling cases 19 constituting a part of the front side of the pretreatment unit 3 are covered with a front cover 21, respectively. In addition, the upper portion of the conveying device 6 is formed by an upper front cover 22 that extends rearward from the upper end of the pretreatment unit 3 and an upper rear cover 23 that extends forward from the upper end of the front of the traveling machine body 3. Covered and protected.

  Further, the reaping device 5 includes a plurality of front and rear dividers (weeding bodies) 24 that protrude forward from the front lower end portion of the frame 10 and divide the grain culm in the field into a horizontal unit (in the illustrated example). Nine) Narrow guides that are arranged side by side and guide the cereal grains of the field that have been weeded and weeded to the outer side of the main body 17 diagonally rearward and outward at the lower left and right sides of the frame 10. Guide bodies 26L and 26R are respectively installed.

  The front side of the pretreatment unit 3 is composed of a plurality of pulling devices 27 arranged in parallel in the left-right direction (four in the illustrated example), and the pulling device 27 pulls up two planted cereals in the field. It is configured as follows. Each pulling device 27 includes a pair of left and right pulling cases 19 extending in the vertical direction, and between the left and right pulling cases 19, 19 there is a scraping space S for scrambling the cereals in the field. Is formed. That is, in this combine, the elevating case 19 is installed for each strip, and one scraping space S is provided for every two strips.

  A plurality of raising claws 28 are provided at a predetermined pitch on the outer peripheral edge formed by the upper and lower edges and the left and right edges of the raising case 19. Each of the pulling claws 28 circulates and moves around the outer peripheral edge of the pulling case 19 so as to move upward on the side of the scraping space S, and protrudes from the pulling case 19 toward the scratching space S when moving upward. When it is moving, it is housed in the pulling case 19.

  In the rear of the lower end portion of the pulling device 27, a horizontal cutting blade (cutting portion) 29 is installed. The cutting blade 29 is a reciprocating cutting blade that reciprocates one of the two blades with respect to the other. In addition, on the lower rear side of each pull-up device 27, a pair of left and right star wheels 31, 31 and scraping belts 32, 32 are provided.

  The pair of star wheels 31 are each formed into a disk shape in which a large number of scraping teeth are evenly arranged on the periphery, and are rotationally driven so as to scrape the grain culm from the front to the rear. The pair of scrambling belts 32 is arranged on the upper stage of the pair of star wheels 31 and is arranged in a square shape in plan view that spreads forward. To be driven.

  As the combine travels forward, the cereal grains in the field that have been weeded by each divider 24 by each divider 24 are guided to the corresponding scraping space S on the side of the pulling case 19 and lifted up by the pulling claws 28 to be raised. The The raised cedar is harvested from the root side by the cutting blade 29 while being scraped and conveyed backward by the pair of star wheels 31 and 31 and the scraping belts 32 and 32.

  Next, the frame of the preprocessing unit will be described with reference to FIGS. FIG. 6 is a front view of a vertical cylinder, a horizontal cylinder, and a vertical transmission cylinder that constitute a part of the frame, and FIG. 7 is a front view of a vertical transmission cylinder and a pulling horizontal transmission cylinder that constitute a part of the frame. . The pre-processing unit 3 is a vertical cylinder (vertical case) that is supported by the front end portion of the traveling machine body 2 by a support case (support shaft) 30 (see FIG. 8) in the left-right direction and extends obliquely forward and downward from the traveling machine body 2 side. ) 33 so as to be movable up and down with respect to the traveling machine body 2. Then, the preprocessing unit 3 is driven up and down with respect to the traveling machine body 2 by an expansion and contraction operation of a hydraulic cylinder (elevating cylinder) (not shown) provided between the vertical cylinder 33 and the traveling machine body 2.

  At the lower end of the vertical cylinder 33, a central portion of a horizontal cylinder (horizontal case) 34 extending in the horizontal direction of the pre-processing section 3 in plan view is connected and fixed, and one side (illustrated) of the horizontal cylinder 34 is illustrated. The lower end of the vertical transmission cylinder (vertical transmission case) 36 is attached and fixed to the end of the vertical transmission cylinder 36 from the upper end side of the vertical transmission cylinder 36 toward the inside (right side in the illustrated example). Further, a laterally raised lateral transmission cylinder (induced lateral transmission case) 37 is extended. Power is transmitted to each part of the pre-processing unit 3 by various transmission shafts and the like provided inside the vertical cylinder 33, the horizontal cylinder 34, the vertical transmission cylinder 36 and the pulling horizontal transmission cylinder 37. In addition, an oil tank 35 for lubrication is accommodated and supported inside the right side cover 18R in a state of being positioned on the left side of the right end of the frame 10.

  FIG. 8 is a plan view of a main part illustrating the configuration of the frame of the preprocessing unit and the transfer device. Rear end portions of divider main frames (divider frames) 38L and 38R extending in the forward direction are attached and fixed to the left and right ends of the horizontal tube 34 by welding or the like. In addition, a support stay (support body, support bar) 39 in the left-right direction is disposed in front of the horizontal cylinder 34, and a plurality of (7 in the illustrated example) divider support frames extending in the front-rear direction. (Divisor frames) 41 are arranged in parallel in the left-right direction at predetermined intervals (substantially equal intervals in the illustrated example). The support stay 39 is installed and fixed between the middle portion of the left divider main frame 38L and the middle portion of the right divider main frame 38R, and the rear end portion (base end portion) of each divider frame 41 is attached to the support frame 39. It is welded (fixed). Then, the rear end portions (base end portions) of the corresponding dividers 24 are attached and fixed to the distal end portions of the left and right divider main frames 38L and 38R and the support stay 39.

  As described above, the support case 30, the vertical cylinder 33, the horizontal cylinder 34, the vertical transmission cylinder 36, the pulling horizontal transmission cylinder 37, the divider frames 38L, 38R, 41 and the support stay 39 constitute the main part of the frame 10 described above. Yes. And the axial length (left-right length) of the horizontal cylinder 34 extended in the left-right direction over the entire left-right width of the frame 10 is such that the left-right width of the pre-processing unit 3 and the left and right side covers 18L, 18R are removed. It matches the left and right width. For this reason, the left and right divider main frames 38L and 38R constitute the left and right side ends (outermost ends) of the frame 10 (preprocessing unit 3).

This combine is a TatsuUe culms K ₁ is culms were planted in the field, and Bunkusa each strip by divider 24, between between adjacent divider frames 38, 41 (divider frame 38, 38 or divider main frame 38L, 38R and the divider support frame 41). Culms guided is guided by scraping the space S described above, it draws a movement locus X becomes culms K ₂ reaper that trimmed by the cutting blade 29 while being caused by causing the pawl 28 described above. Incidentally, in the example shown in the figure, the front (the lower side shown in the figure) of the three rows TatsuUe culms K ₁ becomes planted scale an inch, rear (upper side in the figure), two rows TatsuUe culms K ₁ becomes planted scale, but between conditions are different in 30cm and 33cm, in this combine can be divided grass every condition even in such a case.

  In addition, it is detected behind the divider 24 (in the example shown in the figure, the third divider support frame 41 from the left end) whether or not the traveling direction of the combine is directed in the row direction by contact with the cereal. A direction sensor (direction detection means) 42 is installed. With this direction sensor 42, it is possible to perform control for automatically running the combine along the row direction of the cereal grains.

Next, based on FIG.4,5,9 and 10, the structure of the grain feeder mechanism of a reaping apparatus is demonstrated.
FIG. 9 is a plan view of a main part showing the configuration of various stock source transport bodies that sandwich and transport the stock source side of the corn that has been harvested by configuring the transport device, and FIG. It is a principal part top view which shows the structure of the various tip conveyance bodies which carry the guide conveyance of the tip side of the obtained grain candy. As described above, the cereal grains for the eight strips cut at the front part of the preprocessing unit 3 are conveyed to the threshing unit 7 side by the conveying device 6.

  The transfer device 6 described above serves as a stock transporter that pinches and transports the stock side of the grain straw, among the grain harvested by the cutting part 29, the stock side of the right end of the grain straw is the threshing part 7. First stock transporter (stock transporter, right stock transporter, right main stock transporter) 43A that transports backward toward the first stocker 4th stock former transport body (stock former transport body, left stock former transport body, left main stock former transport body) transported backward to stock former confluence section (merging section) P1 in the middle of the transport path (downstream side) of transport body 43A 43D and second stock transporter (stock transporter, right sub stock transporter) 43B that transports the stock source side of the third and fourth cereal grains from the right end side to the first stock transporter 43A And the 3rd stock former transportation body (stock former transportation body, left sub stock transportation body) 43C which carries back the stock origin side of the grain of the 5th and 6th grain from the right end side to the 4th stock transportation body 43D; , 1st share origin A handling depth conveyance device (stock source conveyance body) 44 that conveys the stock base side of the eight rows of grain straw conveyed by the feeding body 43 </ b> A, and a stock origin side of the grain straw conveyed by the handling depth conveyance device 44. And a rear stock transport body (stock transport body) 46 that transports the rear transport chain to the rear feed chain 8.

  Moreover, as for the said conveying apparatus 6, the stock side is conveyed from the 1st stock source transport body 43A to the back stock base transport body 46 via the handling depth transport apparatus 44 as a tip transport body which transports the head side of the grain straw. The first head transport body (head transport body, right head transport body, right main head transport body, lower right stage head transport body) 47A and the fourth stock transport body 43D A fourth tip transport body (a tip transport body, a left tip transport body, a left main head tip) that transports the head side of the cereals to be transported backward to the tip join section (joining section) P2 in the middle of the transport path of the first tip transport body 47A. 47D and the 2nd tip conveyance body (tip conveyance) which conveys back the tip side of the grain straw which the stock source side is conveyed by 2nd stock former conveyance body 43B to 47A of 1st tip conveyance bodies. Body, right side tip carrier) 47B and third stock transport body 43C The third tip carrier (tip carrier, left sub pike carrier) to the rear carrying the tip side of the culms transported to the fourth tip carrier 47D and a 47C.

  In addition, a first upper stage tip transport body (a tip transport body, a right tip transport body, a right main tip transport body, an upper right stage tip transport body) 48A is installed one step above the transport upstream side of the first head transport body 47A. In addition, a fourth upper stage tip transport body (a tip transport body, a left tip transport body, a left main tip transport body, an upper left stage tip transport body) 48D is raised one step above the transport upstream side of the fourth head transport body 47D. Installed.

  That is, the right main tip transport body that transports the head side of the grain ends of the two right ends cut by the cutting unit 29 is configured by the first tip transport body 47A and the first upper tip transport body 48A in two upper and lower stages. In addition, the left main tip transport body that transports backward the tip side of the grain ridges corresponding to the two left ends is constituted by the fourth tip transport body 47D and the fourth upper stage tip transport body 48D in two upper and lower stages.

  Each stock transporter 43A, 43B, 43C, 43D, 44, 46 includes a drive sprocket and a chain hung around the driven sprocket, and does not transport the cereal and the working part side that transports the cereal. The strainer side of the cereal is clamped and conveyed on the action part side of the chain that circulates and moves on the action part side.

  Each of the tip carrier bodies 47A, 47B, 47C, 47D, 48A, and 48D is constituted by a chain belt that is wound around a driving sprocket and a driven sprocket. Each chain belt is provided with a conveyance claw 49 at a predetermined pitch. The conveyance claw 49 protrudes on the action part side and circulates and moves so as to be accommodated on the non-action part side which is the other part. It is comprised so that the tip side of a grain candy may be conveyed along a guide body.

  And the 1st stock former conveyance body 43A extends diagonally back toward the inner side (left side) from the 1st and 2nd line part counted from the right end of the cutting part 29, and reaches the handling depth conveyance device 44 arranged on the left side of the machine body. The fourth stock transport body 43D forms a transport path, and extends obliquely rearward from the 7th and 8th thread portions toward the inside (right side) counting from the right end of the cutting part 29, and is a plane in the first stock transport body 43A. A transport path that reaches the aforementioned stock former confluence portion P1 in the vicinity of the viewing vertical cylinder 33 is formed, and the second stock former transport body 43B counts from the right end of the cutting part 29 and extends substantially rearward from the third and fourth stripe portions. The third stock former transport body 43 </ b> C forms a transport path extending from the fifth and sixth thread portions in a substantially rearward direction from the right end of the cutting part 29.

  Further, the handling depth transport device 44 forms a transport path from the vicinity of the stock source confluence part P1 to the rear stock source transport body 46, and the handling depth transport device 44 with respect to the transport upstream end of the rear stock source transport body 46. By changing the vertical position of the downstream most downstream end of the feed and adjusting the clamping position of the grain stock in the rear stock transporter 46 to feed the rice straw from the rear stock transporter 46 to the feed chain 8 It is comprised so that the grain pinching position of the chain 8 can be changed. With the above-described configuration, handling depth control is performed in which the amount of insertion of the cereal threshing unit 7 into the handling chamber is adjusted according to the culm length of the cereal. Incidentally, the culm length of the culm is detected by a plurality of tip sensors 51 which are culm length detecting means arranged above the handling depth conveying device 44 and the rear conveying body 46.

  Further, the first tip transport body 47A is placed above the grain stock former transport path along the grain stock former transport path of the first stock former transport body 43A, the handling depth transport device 44 and the rear stock transporter 46. The ear tip transport path is formed, and the fourth head transport body 47D forms the grain head transport path above the grain stock source transport path along the grain stock source transport path of the fourth stock source transport body 43D. The second head transport body 47B forms a grain head transport path above the grain stock former transport path along the grain stock transport path of the second stock transport body 43B, and the third head transport body 47C. Is forming a grain tip transport path above the grain root former transport path along the grain root former transport path of the third stock former transport body 43C.

Next, the power transmission mechanism of the preprocessing unit 3 will be described with reference to FIGS.
FIG. 11 is a power transmission system diagram of the reaping device. The power continuously variable from the engine side via the HST (hydraulic continuously variable transmission) 52 is transmitted to the input pulley 53 by a belt. The power of the input pulley 53 rotates integrally with the input shaft S1 that rotates integrally with the input pulley 53, the bevel gear 54 that rotates integrally with the input shaft S1, and the preprocessing unit drive shaft S2 that is rotatably supported in the vertical cylinder 33. At the same time, it is transmitted to the preprocessing section drive shaft S2 via the bevel gear 56 that is always meshed with the bevel gear 54, and drives the preprocessing section 3.

  The pre-processing unit drive shaft S2 is disposed at the lower end of the vertical cylinder 33 and the central part of the horizontal cylinder 34, and is connected to the horizontal cylinder via a bevel gear 58 supported in a connection case 57 that connects the vertical cylinder 33 and the horizontal cylinder 34. 34 is transmitted to a transmission shaft S3 in the left-right direction that is rotatably supported in the shaft 34. Cutting blade drive units 59 and 61 are installed at the left and right ends of the horizontal cylinder 34, respectively, and bevel gears 62 and 63 that are arranged at the left and right ends of the transmission shaft S3 and rotate integrally with the transmission shaft S3. Thus, the power of the transmission shaft S3 is transmitted to the left and right cutting blade drive units 59 and 61 to drive the left and right cutting blades 29.

  In addition, the power of the transmission shaft S3 is transmitted via the bevel gear 64 to the transmission shaft S4 that is rotatably supported in the vertical transmission cylinder 36. The power of the transmission shaft S4 is shafted into the above-described pulling lateral transmission cylinder 37 extending inward from the transmission case 66 by the transmission mechanism 67 in the transmission case 66 provided at the upper end of the vertical transmission cylinder 36. The gear is transmitted to a pulling drive shaft S5 in the left-right direction that is supported so as to be freely rotatable around.

  Five pulling transmission cases 68 are extended downward in the pulling transmission cylinder 37 in a state of being arranged in parallel in the left-right direction. One driving sprocket 69 is rotatably supported at the lower end portion of the left and right outermost triggering transmission cases 68 which are the outermost triggering transmission cases 68, and the left and right outermost triggering transmission cases 68 are respectively supported. A pair of left and right drive sprockets 69, 69 are rotatably supported at the lower end of each of the three pulling transmission cases 68 disposed between them.

  The power of the pulling drive shaft S5 is input into each pulling transmission case 68 by a bevel gear 71 provided for each pulling drive case 68 and rotating integrally with the pulling drive shaft S5. The input power in the pulling transmission case 68 is transmitted to the drive sprocket 69 supported by the pulling transmission case 68 and is wound around the drive sprocket 69 to which the pulling claw 28 is attached. 72 is circulated and moved.

  That is, the leftmost pulling device 27 is driven by the drive sprocket 69 of the leftmost pulling transmission case 68 and the left drive sprocket 69 of the second pulling transmission case 68 from the left, and the right side of the second pulling transmission case 68 from the left. The second driving device 27 from the left side is driven by the driving sprocket 69 and the left driving sprocket 69 of the third pulling transmission case 68 from the left side, and the right driving sprocket 69 of the third pulling transmission case 68 from the left side and the fourth from the left side. The third pulling device 27 from the left side is driven by the left drive sprocket 69 of the pulling transmission case 68, and the right drive sprocket 69 of the fourth pulling transmission case 68 from the left and the drive sprocket 69 of the rightmost pulling transmission case 68 are driven. The rightmost pulling device 27 is driven.

  The power of the transmission shaft S4 is transmitted to a transmission shaft S6 that is rotatably supported by the transmission case 73 via a bevel gear 74 in a transmission case 73 that is fixedly installed below the vertical transmission cylinder 36. . The power of the transmission shaft S6 is transmitted to the fourth stock former transport body 43D through a drive sprocket 76 that rotates integrally with the transmission shaft S6.

  The power of the fourth stock transport body 43D is transmitted to the transmission shaft S7 that rotates integrally with the driven sprocket 77 via the driven sprocket 77 of the fourth stock transport body 43D. By the power of the transmission shaft S7, the pair of left and right star wheels 31 and the take-up belt 32 disposed behind the pulling device 27 at the left end are driven.

  On the other hand, the transmission shaft S6 is connected to the transmission shaft S8 by the universal joint 78, and the power of the transmission shaft S6 is also transmitted to the transmission shaft S8. The transmission shaft S8 rotates integrally with the drive sprocket 79 of the lower left tip carrier 47D and the drive sprocket 81 of the upper left tip carrier 48D to drive the two left main tip carriers 47D and 48D.

  The power of the preprocessing unit drive shaft S2 is a pair of left and right rotatably supported by the transmission case 82 via a bevel gear 83 and the like in the transmission case 82 attached and fixed to the lower end side of the vertical cylinder 33. It is transmitted to the transmission shafts S10 and S9.

  Of the left and right transmission shafts S10 and S9, the power of the right transmission shaft S9 is driven by the drive sprocket 84 for the second stock transporter 43B and the drive sprocket 86 for the second tip transporter 47B that rotate together with the transmission shaft S9. Then, the second stock former transport body 43B and the second tip transport body 47B are driven. In addition, the power of the driven sprocket 87 of the second stock transporter 43B is transmitted to the transmission shaft S11, and the star wheel 31 and the take-up belt 32 disposed behind the second pulling device 27 counting from the right end. Drive.

  On the other hand, of the left and right transmission shafts S10 and S9, the power of the left transmission shaft S10 is driven by the drive sprocket 88 for the third stock transporter 43C and the third tip transporter 47C that rotate integrally with the transmission shaft S10. The third stock former transport body 43C and the third tip transport body 47C are driven via the sprocket 89.

  Further, the star wheel 31 disposed behind the second pulling device 27 counted from the right end and driven by the transmission shaft S11 is disposed behind the third pulling device 27 counted from the right end and transmitted. The star wheel 31 that rotates integrally with the shaft S12 is always meshed with each other, and the pair of star wheels 31 and 31 and the scraping belts 32 and 32 disposed behind the third pulling device 27 counted from the right end are driven.

  Further, the power of the preprocessing unit drive shaft S2 is transmitted to a transmission shaft S13 rotatably supported in a transmission case 91 fixed in the middle of the vertical cylinder 33, and rotates integrally with the transmission shaft S13. The first stock transporter 43A is driven by the drive sprocket 92 for the single stock transporter 43A. The power of the first stock transport body 43A is a pair of star wheels 31 disposed behind the pulling device 27 at the right end via a transmission shaft S14 that rotates integrally with the driven sprocket 93 of the first stock transport body 43A. 31 and the drive-in belts 32 and 32 are driven. The power of the transmission shaft S12 is transmitted to a transmission shaft S15 that is rotatably supported in the transmission case 91 via a bevel gear 94 or the like. The transmission shaft S15 rotates integrally with the drive sprocket 96 for the handling depth conveying device 44, and drives the handling depth conveying device 44.

  The power of the preprocessing unit drive shaft S2 is transmitted via a bevel gear 97 to a transmission shaft S16 that is rotatably supported in a transmission case 98 fixed to the upper end portion of the vertical cylinder 33. The transmission shaft S16 is composed of the rear stock transporter 46 and the first stock transporter 47A by the drive sprocket 99 for the rear stock transporter 46 and the drive sprocket 101 for the first head transporter 47A that rotate integrally with the transmission shaft S16. Drive. The power of the first tip carrier 47A drives the first upper tip carrier 48A via the drive sprocket 103 for the first upper tip carrier 48A that rotates integrally with the driven sprocket 102 for the first tip carrier 47A. Let

Next, the configuration of the left and right side covers 18L, 18R will be described with reference to FIGS.
FIG. 12 is a perspective view of a main part showing a configuration on the left side of the reaping device. A hook part (engagement part) 104 is installed at the lower part on the inner surface side of the left side cover 18L, and a hook-shaped lock member (engagement part) (not shown) is swingably supported on the upper part on the inner surface side. A lock handle 106 is provided on the upper side to switch the lock posture and the unlock posture by swinging the lock member. Incidentally, the lock member is always biased to the lock posture by an elastic member such as a spring.

  On the other hand, a pair of front and rear support brackets 107 and 108 installed on the left divider main frame 38L support both ends of a U-shaped bend-shaped bar-shaped engaging portion 109 so as to be rotatable left and right. A rod-shaped locking portion 111 bent in an L shape is fixed to the upper end portion side of the vertical transmission cylinder 36 constituting at least a part of the left side portion of the frame 10.

  Then, the hook 104 of the left side cover 18L is hooked and engaged with the lower locking portion 109, and the locking member is locked with the upper locking portion 109 to lock the left side cover 18L to the frame. The lock member that is attached to the 10 side (the reaping device 5) and is engaged with the engaging portion 109 and in the locked posture is switched to the unlocked posture by the lock handle 106, thereby engaging with the lock member. The engagement with the stop 111 is released, and the left side cover 18L can be removed from the frame 10 side. That is, the left side cover 18L is attached and fixed to the frame 10 side so as to be freely disengaged.

  When the left side cover 18L is removed from the frame 10 side, the locking portion 109 is always rotated upward inwardly along the left side portion on the frame 10 side, and the frame 10 (pre-processing portion 3) is viewed from the front. ), The engaging portion 109 protruding outward (left side, outer side) from the left end (left outermost end) is accommodated (contained) inside (right side).

  FIG. 13 is a main part perspective view showing the configuration of the right side of the reaping device. The right side cover 18R is provided with a hook portion (engagement portion) 112, a lock member (engagement portion), and a lock handle 113 having the same configuration as the hook portion 104, the lock member, and the lock handle 106 described above. The right divider main frame 38R of the pre-processing unit 3 supports a locking part 117 having substantially the same configuration as the locking part 109 described above via a pair of front and rear support brackets 114 and 116, and an upper portion of the frame 10. Since the locking portion 118 having substantially the same configuration as that of the locking portion 111 is fixed to the right end portion side of the pulling lateral transmission cylinder 37 constituting at least a part of the right side cover 18R, the right side cover 18R is detachably attached to the frame. It is attached to the 10 side.

Next, the configuration of the left and right narrow guides 26L and 26R will be described with reference to FIGS.
The left narrow guide 26L includes a rod-shaped narrow guide main body 119 and a pair of front and rear support rods (support members) 121 and 122 that support the narrow guide main body 1119 on the frame 10 side. The front support rod 121 is supported on the distal end portion of the left divider main frame 38L, and the rear support rod 122 is supported on the base end portion side of the left divider main frame 38L so as to be rotatable left and right. With the support structure, the left narrow guide 26L is guided from the left end of the frame 10 (pre-processing unit 3) in a front view and from the left end of the frame 10 in a front view along the left side of the frame 10. It is configured to be switchable to a storage posture (storage posture) stored (stored) inside. By the way, in the guide posture, the narrow guide body 111 extends obliquely outward from the front end toward the midway, and extends obliquely inward from the midway toward the rear end.

  The right narrow guide 26R is formed by bending a rod-like member in the front-rear direction into a U shape, and the middle part of the divider 24 whose front and rear ends are fixed to the right divider main frame 38R and the right main frame 38R. Are supported on the base end side so as to be able to turn left and right. The right narrow guide 26R has a guide posture protruding from the right end (the left outermost end to the outside (right side, outside)) of the frame 10 (pre-processing unit 3) in front view and the frame in front view along the right side of the frame 10. 10 is configured to be switchable from a right end of 10 to a storage posture (storage posture) stored (stored) inside (left side).

Next, the configuration of the divider 24 arranged on the outermost left side and the divider arranged on the outermost right side will be described with reference to FIGS.
FIG. 14 is a plan view of the left outermost divider, and FIGS. 15A and 15B are a plan view and a side view of the left outermost divider in a weeding posture, and FIGS. () Is a plan view and a side view of the left outermost divider in the storage posture. The left outermost divider (outermost divider) 24L, which is the divider 24 arranged on the outermost left side (left end), has a rear end portion (base end portion) and a front end portion (front end portion) extending in the advancing direction with the axis shifted. On the other hand, a support shaft 123 which is a round pipe bent and formed so that the middle portion connects the base end portion and the distal end portion linearly at the shortest distance, and a plate-like mounting bracket 124 formed in a substantially triangular shape. And a plate-shaped divider main body 126 extending in the front-rear direction and having an acute angle at the front end (front end).

  The base end portion of the support shaft 123 is inserted so as to be rotatable about the axis from the front end open side to the inner peripheral side of the left divider main frame 38L formed in a hollow round pipe shape. This rotation is regulated (locked) by a bolt 127 inserted into and engaged with the peripheral wall of the left divider main frame 38L and reaching the outer peripheral surface of the base end portion of the support shaft 123 inserted into the inner peripheral side of the left divider main frame 38L. The

  A pair of front and rear elongated holes 126a and 126a extending in a diagonal direction are formed in the divider main body 126, and the front and rear bolts 128 and 128 are attached to the mounting bracket in a state where the mounting bracket 124 and the divider main body 126 are overlapped. 124 and the divider main body 126 are inserted into the front and rear long holes 126a and 126a and tightened to fix the divider main body 126 to the mounting bracket 124 fixed to the tip of the support shaft 123. At this time, the posture of the divider main body 126 can be changed and adjusted with respect to the support shaft 123 by changing the insertion position of the bolt 128 into the corresponding long hole 126a.

  The left outermost divider 24L has a distal end portion on the left side with respect to the base end portion of the support shaft 123 in a state where the divider main body 126 extends front and rear and up and down and the front and back faces left and right by the pivot mechanism around the axis. And a weeding posture (working posture) in which the distal end portion of the support shaft 123 and the divider main body 126 protrude outward from the left end of the frame 10 (left divider main frame 38L) in front view, and the divider main body 126 The base end portion and the distal end portion of the support shaft 123 are positioned in a straight line before and after the plan view in a state where the front and rear surfaces are directed vertically, and the distal end portion of the support shaft 123 and the divider main body 126 are viewed from the front. It is comprised so that attitude | position switching is possible to the accommodation attitude | position (accommodation attitude | position) accommodated (accommodated) inside the left side end.

  From the above configuration, the distal end portion and the base end portion of the support shaft 123 of the left outermost divider 24L are always maintained in a posture parallel to the traveling direction of the combine, and the divider main body 126 of the left outermost divider 24L. (Lead end side of left outermost divider 24L) is maintained in a posture parallel to the traveling direction of the combine during the weeding posture.

  In the weeding posture, the cover body 129 formed in a shape that widens while curving upward from the sharp front end so as to cover the upper ends of the left outermost divider 24L and the left divider main frame 38L is divided. It is fixedly attached to the edge of the main body 126. By rotating the support shaft 123 inward about the axis, the left outermost divider 24L is switched from the weeding posture to the housing posture, so that the cover body 129 does not protrude outward from the frame 10 in the housing posture. Further, the entire cover body 129 is accommodated inside the left end of the frame 10.

  FIG. 17A is a plan view of the right outermost divider in the working posture, and FIG. 17B is a plan view of the right outermost divider in the accommodated posture. The right outermost divider (outermost divider) 24R, which is the divider 24 arranged on the rightmost outer side (right end side), has a rear end portion (base end portion) supported at the front end portion of the right divider main frame 38L so that it can swing left and right. And a support shaft 131 extending in the front-rear direction, a plate-like mounting bracket 132 that is fixedly attached to the front end portion of the support shaft 131 by welding or the like, extends in the front-rear and up-down directions, and has the front and back faces left and right, and the divider body 126 described above. And a divider main body 133 fixed to the mounting bracket 132 by a pair of bolts 135 and 135 with the front and back facing left and right, the right outermost divider 24R and the right divider main frame 38R. Formed in a shape that spreads while curving upward from the sharp front end so as to cover the top of the front end, and is fixed to the upper edge of the divider body 133 A cover body 134, and a regulating member 136 for regulating the right and left swinging of the support shaft 131 of the base end portion provided on the support shaft 131.

  The restricting member 136 is attached and fixed to the support shaft 131 so as to swing integrally with the support shaft 131, and a long hole 136a is formed in the rear end portion reaching the front end portion of the right divider main frame 38R in plan view. A bolt 137 inserted and engaged with the right divider main frame 38R is inserted through the long hole 136a. By tightening the bolt 137, the support shaft 131 is fixed to the right divider main frame 38R. On the other hand, by loosening the bolt 137, the support shaft 131 swings left and right within a range in which the bolt 137 is displaced in the long hole 136a. It becomes ready to move.

  Then, the right outermost divider 24R is swung to the rightmost position, so that the support shaft 131 and the divider main body 133 protrude obliquely forward and outward from the frame 10 (right divider main frame 38R) in a plan view, and the support shaft 131. The divider main body 133 is switched to a weeding posture (working posture) protruding outward from the right end (right divider main frame 38R) of the frame 10 in a front view, while being swung to the leftmost position, The support shaft 131 and the divider main body 133 are linearly extended from the frame 10 in the traveling direction of the combine when viewed from the front, and are switched from the right end of the frame 10 to the inner (accommodated) position (storage position) when viewed from the front. It is done.

Note that the cover body 134 is attached and fixed to the divider main body 133 so that the cover body 134 is located on the inner side with respect to the right end of the frame 10 and does not protrude outward when viewed from the front. In addition, the right amount of protrusion D _R to the outside from the frame 10 a right end at minute grass orientation of the outermost divider 24R, projecting amount D from the frame 10 left end during partial grass the orientation of the left outermost divider 24L outward _The left and right outermost dividers 24L and 24R are configured to be larger than _L (see FIG. 8). Incidentally, each of the other dividers 24 positioned between the left and right outermost dividers 24L and 24R is also provided with a cover body 138 that is configured substantially the same as the above-described cover body 134 and covers the upper side. The cover body 138 located in the take-in space S has a narrower left-right width than the other cover bodies 138 (see FIG. 3).

  FIG. 18A is a front view of the combine at the time of farm work, and FIG. 18B is a front view of the combine at the time of traveling on the road. In this combine, the left and right side mirrors 13L and 13R are switched to the normal posture, the left and right narrow guides 26L and 26R are switched to the guide posture, and the left and right outermost dividers 24L and 24R are switched to the weeding posture. In the state where the left and right side covers 18L, 18R are attached and fixed to the reaping device 5, the ranching operation and the like are performed.

  On the other hand, this combine switches the left and right side mirrors 13L and 13R, the left and right narrow guides 26L and 26R, and the left and right outermost dividers 24L and 24R to the accommodation posture, and the left and right side covers 18L and 18R. The vehicle travels on the road in a state where it is positioned and placed on the upper surface of the traveling machine body 3 while being removed from the cutting device 5 and stacked. At this time, the left and right side mirrors 13L and 13R, the left and right narrow guides 26L and 26R, and the left and right outermost dividers 24L and 24R are housed inside the left and right side edges of the frame 10 as described above. It becomes a state.

  As described above, the combine achieves both workability at the time of farm work and convenience at the time of traveling on the road.

Next, differences from the above-described embodiment will be described with reference to FIG.
FIGS. 19A and 19B are plan views of the left outermost divider at the time of weeding and at the accommodation posture according to another embodiment of the present invention. The left outermost divider 24L of the present combine has a rear end portion (base end portion) supported at the front end portion of the left divider main frame 38L so as to be swingable in the left and right directions, and a front end portion that extends linearly. The support shaft 139 whose (front end) is bent inward (right side), the mounting bracket 124 and the divider main body 126, and the support shaft 139 are fixedly attached to the base end portion of the support shaft 139 to restrict left-right swinging of the support shaft 139. The regulating member 141 is provided.

  The restricting member 141 is attached and fixed to the base end portion of the support shaft 139 so as to swing integrally with the support shaft 139, and a long hole 141a is formed in the rear end portion reaching the distal end portion of the left divider main frame 38L in plan view. . Bolts 142 inserted and engaged with the left divider main frame 38L are inserted through the long holes 141a. By tightening the bolt 142, the support shaft 139 is fixed to the left main frame 38L. On the other hand, by loosening the bolt 142, the support shaft 139 swings left and right within a range in which the bolt 142 is displaced in the long hole 141a. It becomes possible.

  The left outermost divider 24L swings to the leftmost position, so that the base end portion and the midway portion of the support shaft 139 extend obliquely outward and forward, and the distal end portion of the support shaft 139 and the divider body 126 move in the traveling direction. The support shaft 131 and the divider main body 126 are switched to a weeding posture (working posture) that protrudes outward from the left end of the frame 10 in a front view, while extending in a parallel state with respect to the rightmost position. The base end portion and the midway portion of the support shaft 139 extend forward in parallel with the traveling direction, and the tip end portion of the support shaft 139 and the divider body 126 extend obliquely inward and forward to support shaft 131, The divider main body 126 and the cover body 129 are switched from the left end of the frame 10 to the accommodation posture (housing posture) accommodated (housing) inward from the left end of the frame 10.

It is a side view of the self-removing combine to which the present invention is applied. It is a top view of the self-removable combine to which this invention is applied. It is a front view of the self-removing combine to which the present invention is applied. It is a side view of a reaping device. It is a front view of a reaping device. It is a front view of the vertical cylinder, the horizontal cylinder, and the vertical transmission cylinder which constitute a part of the frame. It is a front view of the vertical transmission cylinder and pulling up horizontal transmission cylinder which comprise some frames. It is a principal part top view which shows the structure of the flame | frame of a pre-processing part, and a conveying apparatus. It is a principal part top view which shows the structure of the various stock origin conveyance body which clamps and conveys the stock source side of the grain cocoon which comprised the conveying apparatus and was cut. It is a principal part top view which shows the structure of the various tip conveyance bodies which comprise the conveyance apparatus and carry out the guide conveyance of the ear tip side of the grain culm cut. It is a power transmission system diagram of a reaping device. It is a principal part perspective view which shows the structure of the left side part of a cutting device. It is a principal part perspective view which shows the structure by the side of the right side of a cutting device. It is a top view of the left outermost divider. (A), (B) is the top view and side view of a left outermost divider at the time of a weeding posture. (A), (B) is the top view and side view of a left outermost divider at the time of an accommodation posture. (A) is a plan view of the right outermost divider in the working posture, and (B) is a plan view of the right outermost divider in the accommodated posture. (A) is a front view of this combine at the time of farm work, (B) is a front view of this combine at the time of driving | running | working on a road. (A), (B) is the top view at the time of the weeding attitude | position and accommodation attitude | position of the left outermost divider which shows other embodiment of this invention.

Explanation of symbols

2 Traveling body (car body)
10 frames (preprocessing frame, frame part)
24 Divider
24L Left outermost divider (outermost divider)
24R Right outermost divider (outermost divider)
D _R protrusion amount

Claims (4)

  A traveling machine body (2) is provided with a pretreatment frame (10) that is connected to the front and supports a pretreatment unit (3) that performs harvesting of cereals, and is formed to project forward from the lower end side of the pretreatment frame (10). A plurality of dividers (24) in the front-rear direction are arranged in parallel in the left-right direction, so that the left and right outermost ends of the pretreatment frame (10) are positioned outside the left and right outermost ends of the traveling machine body (2), respectively. At least one of the left and right outermost dividers (24L) and (24R), which are dividers (24) arranged at both left and right ends, in a combine in which the left and right width of the airframe (2) is narrower than the left and right width of the preprocessing frame (10) A combine that is supported on the preprocessing frame (10) side so that the posture can be switched between a working posture protruding outward from the outermost end and an accommodating posture not protruding.   The combine according to claim 1, wherein the distal end side of the left outermost divider (24L) in the working posture is substantially parallel to the traveling direction. Each of the left and right outermost dividers (24L) and (24R) is supported so that the posture can be switched between a working posture and an accommodation posture, and in front of the rightmost outermost divider (24R) as compared with the leftmost outermost divider (24L). The combine according to claim 1 or 2, wherein the left and right outermost dividers (24L), (24R) are configured such that the amount of protrusion (D _R ) from the outermost end of the processing frame (10) increases.   The combine according to claim 1, 2 or 3, wherein the posture switching is enabled by supporting the outermost divider (24L) so as to be rotatable about an axis.

Images