WO2017150630A1 - Moissonneuse et moissonneuse-batteuse - Google Patents

Moissonneuse et moissonneuse-batteuse Download PDF

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Publication number
WO2017150630A1
WO2017150630A1 PCT/JP2017/008176 JP2017008176W WO2017150630A1 WO 2017150630 A1 WO2017150630 A1 WO 2017150630A1 JP 2017008176 W JP2017008176 W JP 2017008176W WO 2017150630 A1 WO2017150630 A1 WO 2017150630A1
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WO
WIPO (PCT)
Prior art keywords
auger drum
auger
sliding guide
drum
circumferential direction
Prior art date
Application number
PCT/JP2017/008176
Other languages
English (en)
Japanese (ja)
Inventor
タンチアユアン
有本敬
林茂幸
小▲柳▼大河
青山祐也
小林宜泰
一二三慶城
Original Assignee
株式会社クボタ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2016039034A external-priority patent/JP6615006B2/ja
Priority claimed from JP2016043725A external-priority patent/JP6656024B2/ja
Application filed by 株式会社クボタ filed Critical 株式会社クボタ
Priority to CN201780014594.3A priority Critical patent/CN108697049B/zh
Publication of WO2017150630A1 publication Critical patent/WO2017150630A1/fr
Priority to PH12018501767A priority patent/PH12018501767A1/en

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D57/00—Delivering mechanisms for harvesters or mowers
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D61/00—Elevators or conveyors for binders or combines

Definitions

  • the present invention relates to a harvester and a combine.
  • a lateral feed auger has a spiral blade for transferring cereals on the outer periphery of a cylindrical auger drum, and is scraped from the auger drum as the auger drum rotates. Is configured to rotate integrally while being withdrawn and to send the harvested cereal meal to the feeder.
  • the scraping body is supported so as to be freely withdrawn and retracted in a state where the sliding guide body provided in the auger drum is inserted, and the sliding guide body is configured to be attached to the auger drum from the outer peripheral side.
  • the sliding guide body is configured to be attached to the auger drum from the outer peripheral side.
  • a pair of sprockets that are spaced apart from each other, a rotating body that is supported on the other end in the conveying direction of the feeder case in a state of being rotatable around a horizontal axis, and a pair of sprockets A pair of endless chains that are wound around the rotating body and a pair of endless chains that are attached to the endless chains at positions spaced in the longitudinal direction.
  • the sprocket includes a recess 203 that is located between the teeth H adjacent in the circumferential direction of the sprocket 200 and into which the pin portion 202 ⁇ / b> A of the endless chain 202 can be engaged.
  • the recessed part 203 is the side part 203a of the other side in the circumferential direction of the tooth
  • the side portion 203b on one side is formed in a curved shape continuous along the outer peripheral surface of the pin portion 202A of the endless chain 202.
  • the sliding guide body is configured to be attached to the auger drum from the outer peripheral side, and thus is in a state of projecting radially outward from the outer peripheral surface of the auger drum.
  • the pitch Ps of the recess 203 of the sprocket 200 (the linear separation distance on the circumference with the radius of the distance between the axis of the sprocket 200 and the axis of the pin 202A engaged with the recess 203), and the endless chain 202 Since the pitch Pc of the pin portions 202A (the distance between the adjacent pin portions 202A) is set to the same dimension, the pin portions 202A are pushed up to the diameter-expanded side by the harvested cereal mill K, so that the adjacent pins The portions 202A are arranged so as to be displaced in the circumferential direction from the centers of the corresponding concave portions 203 (see FIGS. 14 to 16).
  • the pin portion 202A is lifted from the bottom of the recess 203.
  • the positional deviation of the pin portion 202A appears in a state where it is accumulated in each adjacent pin portion 202A.
  • the teeth are engaged with one tooth shifted (see FIG. 16).
  • one of the pair of endless chains arranged in parallel with a gap is in a state shifted by one tooth in the conveying direction (referred to as tooth skipping).
  • tooth skipping occurs, the transport body attached over the pair of endless chains is also inclined with respect to the transport direction, and a biased stress acts on the attachment portion between the endless chain and the transport body to cause deformation or damage.
  • the state where the conveying body is inclined is easily misunderstood as the state where the endless chain is loose, there is a possibility that erroneous recognition may be generated and erroneous correspondence such as strengthening of the endless chain may be taken.
  • an object of the present invention is to provide a combine that solves the above-described problems and is unlikely to cause tooth skipping even when another object is fitted in the recess of the sprocket.
  • the characteristic configuration of the harvester according to the present invention is: A transverse feed auger that transports the harvested cereals in the lateral direction of the machine body, and a feeder that conveys the harvested cereal grains that have been transported rearward after being transported by the lateral feed auger to the rear side of the machine body,
  • the lateral feed auger A cylindrical auger drum that is provided with a spiral blade for transferring cereals on the outer periphery and rotates around a horizontal axis;
  • a scraping body that rotates integrally with the rotation of the auger drum while the auger drum rotates and sends the harvested cereal meal to the feeder;
  • a sliding guide body which is attached to the inner peripheral surface side of the auger drum and which slides and guides the scraping body so as to be able to move out and retract from the auger drum.
  • the sliding guide body since the sliding guide body is attached to the inner peripheral surface side of the auger drum, the sliding guide body is scraped by the sliding guide body in a state where it does not protrude radially outward from the outer peripheral surface of the auger drum. It becomes possible to slide and guide the embedded body from the auger drum.
  • the sliding guide body is fixed and attached by a fixture unit in a state where the radially outer side portion of the sliding guide body is in contact with the inner peripheral surface of the auger drum. It is preferable.
  • the sliding guide body since the radially outer side portion of the sliding guide body is in contact with the inner peripheral surface of the auger drum, when the sliding guide body is fixed by the fixture unit, it is applied to the auger drum. It can be firmly fixed when attached.
  • the sliding guide body is located on the inner peripheral surface side of the auger drum, the sliding guide body can be reliably fixed to the auger drum by the fixture unit.
  • the sliding guide body is formed with an insertion hole through which the scraping body is inserted, Of the sliding guide body, on the portions located on both sides of the insertion hole in the circumferential direction of the auger drum, a protruding portion that protrudes toward the scraping body side is formed, It is preferable that the protruding portion is provided at a location in the sliding guide body that is in contact with the inner peripheral surface of the auger drum.
  • the scraping body is supported by the sliding guide body so as to be freely withdrawn and retracted in the state of being inserted through the insertion hole when it is withdrawn from the auger drum as the auger drum rotates. At that time, the scraping body is slidably guided in a state of being received by the protrusions formed at the portions located on both sides of the insertion hole.
  • the protrusion part which protrudes toward the scraping body side is provided in the part which touches the inner peripheral surface of an auger drum among sliding guide bodies, it slides from the scraping body with the withdrawal movement. Even if the guide body receives a pressing force along the circumferential direction, the force is received by the inner peripheral surface of the auger drum, and it is possible to avoid applying an excessive force to the sliding guide body. As a result, there is little risk of damage to the sliding guide body, and durability can be improved.
  • the sliding guide body is formed with an insertion hole through which the scraping body is inserted
  • the fixture unit is attached to the auger drum from the radially inner side, and includes an inner fixing portion that sandwiches the sliding guide body with an inner peripheral surface of the auger drum, It is preferable that the inner fixing portion is provided with an extension guide portion that extends the inner peripheral surface of the insertion hole inward in the radial direction.
  • the sliding guide body is in a state where the radially outer side portion is in contact with the inner peripheral surface of the auger drum, with the inner fixing portion in the fixture unit and the inner peripheral surface of the auger drum, It is firmly fixed in a state where the sliding guide body is sandwiched.
  • the inner peripheral surface of the insertion hole through which the scraper is inserted is extended radially inward by the extension guide portion provided in the inner fixing portion.
  • the tip of the scraper is radially inward from the insertion hole of the sliding guide due to assembly errors of the entire lateral feed auger. Even if the position is displaced, the catching body can be prevented from coming off by being received and supported by the extension guide portion.
  • the sliding guide body is formed with an insertion hole through which the scraping body is inserted, It is preferable that the sliding guide body is fixed to the auger drum by the fixture unit at each of the positions located on both sides of the insertion hole in the circumferential direction of the auger drum.
  • the sliding guide body is fixed by the fixture unit at each of the positions located on both sides of the insertion hole along the circumferential direction of the auger drum. That is, since it is fixed at each side of the insertion hole through which the scratching body is inserted, even if the scraping body slides repeatedly, it is stably supported in a state where both sides of the insertion hole are fixed. Therefore, the sliding guide body can exhibit a good guide function over a long period of time.
  • the fixture unit preferably includes a pair of fasteners positioned on both sides of the insertion hole in the circumferential direction of the auger drum, and a connecting member that connects the pair of fasteners. It is.
  • the sliding guide body is fixed to the auger drum by the fasteners provided separately in each of the locations located on both sides of the insertion hole in the circumferential direction of the auger drum. And since a pair of these fasteners are connected by the connection member, a pair of fastener does not fall apart at the time of an assembly
  • a fitting portion into which the pair of fasteners and the connecting member are fitted is formed on the inner peripheral surface of the sliding guide body.
  • the pair of fasteners and the connecting member are formed on the inner peripheral surface of the sliding guide body. It can be easily positioned by being fitted into the fitting portion, and the assembling work can be easily performed.
  • the bolt head is positioned on the outer peripheral side of the auger drum, the bolt inserted in the radial direction through the auger drum, and positioned on the inner peripheral side of the auger drum, A nut to which the bolt is fastened, Between the bolt head and the outer peripheral surface of the auger drum, a flat washer that is in contact with the outer peripheral surface of the auger drum on the shaft of the bolt, and located between the flat washer and the bolt head It is preferable that a spring washer is attached.
  • the bolt is inserted from the outer peripheral side of the auger drum to the radially inner side, and the nut positioned on the inner peripheral side of the auger drum is fastened to the bolt. It can fix to the inner peripheral surface of the.
  • a flat washer and a spring washer are mounted between the bolt head located on the outer peripheral side of the auger drum and the outer peripheral surface of the auger drum.
  • the flat washer is in contact with the outer peripheral surface of the auger drum, and the spring washer is located between the flat washer and the bolt head.
  • the contact area with the outer peripheral surface of the auger drum is increased, and the force acting on the outer peripheral surface of the auger drum is dispersed to locally Load can be reduced and breakage of the auger drum can be avoided.
  • the sliding guide body is formed with a convex portion that protrudes radially outward and fits into an opening formed in the auger drum.
  • the protrusion formed on the sliding guide body is fitted into the opening formed on the auger drum, whereby the position of the sliding guide body along the peripheral surface of the auger drum is determined.
  • the convex portion fits into the opening, so that the sliding guide body can be restricted from moving along the peripheral surface of the auger drum. Therefore, the sliding guide is supported in a stable state with little positional deviation in the direction along the peripheral surface of the auger drum.
  • an insertion hole through which the scratching body is inserted is formed in a state where the inside of the convex portion of the sliding guide body is inserted along the radial direction.
  • the scraping body is inserted through the insertion hole formed in the convex portion of the sliding guide body. Since the insertion hole is formed in the convex portion that fits into the opening formed in the auger drum in this way, a force acts in a direction along the peripheral surface of the auger drum as the scraping body slides. Moreover, when the convex part fits into the opening, it is possible to prevent the positional deviation in the direction along the peripheral surface of the sliding guide body.
  • a feature of the present invention is a cutting part connected to the front part of the traveling body, A feeder that conveys the harvested cereals harvested by the harvesting unit toward the rear of the traveling machine body, and
  • the feeder includes a feeder case, Plurally located at one end side in the conveying direction in the feeder case, in a state of being rotatable around the horizontal axis along the left-right direction of the traveling machine body and spaced apart in the horizontal axis direction With sprockets, On the other end side in the conveying direction in the feeder case, a rotating body supported in a rotatable state around the horizontal axis, A plurality of endless chains wound around the sprockets and the rotating body; A transport body attached across the plurality of endless chains at a position spaced in the longitudinal direction of the endless chain, and moving the harvested cereal meal in the transport direction as the endless chain rotates.
  • the sprocket includes a recess that is located between teeth adjacent to each other in the circumferential direction of the sprocket and into which a pin portion of the endless chain can be engaged,
  • the concave portion is a side portion on the other side in the circumferential direction of the teeth located on one side in the circumferential direction among the adjacent teeth, and the circumferential direction of a tooth located on the other side in the circumferential direction.
  • a side portion provided on one side, a side portion on the other side, and a side portion on the one side are provided with a flat bottom portion along the circumferential direction.
  • the bottom portion of the flat shape along the circumferential direction of the sprocket is formed across the tooth side portions (the one side portion and the other side portion) facing each other across the concave portion of the sprocket,
  • the opening width of the concave portion can be formed longer than the conventional one by the length corresponding to the width in the circumferential direction. Since the bottom itself is formed in a flat shape along the circumferential direction of the sprocket as described above, the pin portion of the endless chain is allowed to move along the circumferential direction in the recess.
  • the pin part moves along the circumferential direction in the recess so that it can escape in a direction to avoid the other object. Therefore, as in the prior art, it is possible to relieve the pin portion overlapping the other object in the recess and moving greatly in the diameter increasing direction.
  • the pin portions that fit in the same manner can move in the circumferential direction, and therefore, in each of the adjacent recesses, the pin portion is difficult to ride on the side portion of the tooth. Teeth skipping is less likely to occur.
  • the boundary between the bottom and the other side and the boundary between the bottom and the one side are equidistant from the rotation center of the sprocket. .
  • the shape of the bottom portion is axisymmetric with respect to a center line passing through the center of the bottom portion in the circumferential direction and the rotation center of the sprocket. Therefore, when the pin part fitted in the concave part moves along the bottom part, the sprocket rotates in the normal direction or in the reverse direction, and the same condition is not easily generated in any direction. it can.
  • the shape of the tooth tip of the tooth is a flat shape along the circumferential direction.
  • the tip shape of the sprocket is a flat shape along the circumferential direction, it is difficult to cause trouble such as the tip of the tooth being caught when fitting with an endless chain, and the rotational driving force can be smoothly generated. Can communicate.
  • the circumferential width of the tooth tip of the tooth is larger than the outer diameter of the pin portion.
  • the effective cross-sectional area of the tooth tip as a sprocket increases compared to the width smaller than the outer diameter of the pin portion.
  • the width of the bottom portion in the circumferential direction is 2 mm or more and 5 mm or less.
  • the width of the bottom part is set to 2 mm at a minimum so that the pin part avoids the cutting cereals in the recesses and Easier to escape in the direction. As a result, tooth skipping is less likely to occur.
  • the width of the bottom portion is too large, the movement range of the pin portion in the bottom portion may be excessively increased, and there is a possibility that play occurs or transmission loss of rotational driving force occurs. If the width of the bottom is 5 mm or less, such a problem is unlikely to occur.
  • this combine is provided in a traveling machine body 2 having a pair of left and right crawler traveling devices 1, in which an axial flow type threshing device 3 and a grain storage grain tank 4 are arranged in parallel on the left and right.
  • a driving unit 5 is provided in front of the grain tank 4.
  • a feeder 6 for conveying the harvested cereal rice cake is connected to the front part of the threshing device 3 so as to be swingable up and down around the horizontal axis P1, and a cutting part 7 having a cutting width substantially corresponding to the lateral width of the machine body is connected to the front end of the feeder 6. It is connected.
  • a rotary reel 8 that scrapes the planted crops backward is provided above the front part of the cutting unit 7.
  • a grain discharging device 9 for discharging the grains stored in the grain tank 4 to the outside is provided.
  • An engine 10 is provided below the operation unit 5, and the power of the engine 10 is transmitted to each part of the machine body so that the cutting operation can be performed while the machine body is running.
  • the cutting unit 7 forms a back plate 13 that forms a back surface and a bottom surface on a cutting unit frame 12 configured by connecting a square pipe, an angle member having an L-shaped cross section, and the like.
  • the conveyance deck 14 and the pair of left and right side plates 15 and 16 forming the left and right side surfaces are connected and fixed to form a frame structure.
  • a clipper type mowing device 17 is provided across the left and right side plates 15, 16 along the front end of the transport deck 14, and the harvested cereals are directed toward the intermediate side in the body width direction across the left and right side plates 15, 16.
  • a transverse feed auger 18 for collecting and transporting is installed.
  • the feeder 6 is configured by installing a scraping conveyor 20 inside a transfer case 19 formed in a substantially rectangular tube shape.
  • the scraping conveyor 20 includes a drive rotating body 21 that rotates around a horizontal axis, a driven rotating body 22, a pair of left and right transport chains 23 wound around them, and a pair of left and right transport chains 23.
  • a plurality of transport bars 24 connected to each other are provided, and the crop that has been laterally fed by the lateral feed auger 18 is picked up and transported along the bottom surface of the transport case 19 to be the front end of the threshing device 3. It is to be thrown into.
  • a hydraulic cylinder C is installed between the front part of the machine body frame 25 and the lower part of the feeder 6 in the traveling machine body 2, and the cutting part 7 swings around the horizontal axis P ⁇ b> 1 integrally with the feeder 6 by the expansion and contraction of the hydraulic cylinder C. It is configured to be movable up and down.
  • the lateral feed auger 18 will be described.
  • the lateral feed auger 18 is provided with a spiral blade 26 for transferring cereals on the outer peripheral portion thereof, and a cylindrical auger drum 27 that rotates around the horizontal axis, and the auger drum 27 withdraws and retracts as the auger drum 27 rotates.
  • a scraping body 28 that integrally rotates to send the harvested cereal meal to the feeder 6. That is, as shown in FIGS. 2 and 3, the outer periphery of the large-diameter auger drum 27 is provided with a pair of left and right spiral blades 26 that exert a lateral feed function toward the front end portion of the feeder 6 with forward rotation.
  • Two bar-like scraping bodies 28 that extend and retract from the auger drum 27 in the lateral width region facing the front end inlet 6a of the feeder 6 are provided at four locations in the circumferential direction. Note that a single scraping body 28 that moves out of the auger drum 27 is also provided in the middle of the right lateral feed region.
  • lid plates 29 and 30 are fixed inside the auger drum 27 in the vicinity of both left and right ends, and a pair of intermediate support plates 31 and 32 are spaced inside the auger drum 27. It is fixed.
  • the rotation support shaft 33 is supported by the right cover plate 30 and the right intermediate support plate 32, and a connection flange 34 key-connected to the rotation support shaft 33 is bolt-connected to the right cover plate 29.
  • the rotation support shaft 33 is connected to the auger drum. 27 to be integrally connected.
  • a fixed support shaft 35 is connected and fixed to the left side plate 15 so as to be positioned coaxially with the rotation support shaft 33, and the fixed support shaft 35 is connected to the left cover plate 29 of the auger drum 27 via a bearing 37. Is configured to be rotatably fitted and supported.
  • An eccentric support shaft 36 is provided in a state where the rotation is fixed to the fixed support shaft 35 by key connection, and the scraper 28 is fixed to the outer periphery of the eccentric support shaft 36 via a mounting boss 38. 35 is rotatably mounted around an axis P2 along the axis 35. The plurality of scraping bodies 28 are configured to be slidably guided through the auger drum 27 by sliding guide bodies 39 provided on the auger drum 27, respectively.
  • a pair of left and right eccentric support shafts 36 are provided. The left and right eccentric support shafts 36 are connected by a relay shaft 40 that is rotatably supported by the right intermediate support plate 31.
  • 41c is formed, and the assembly holes 41a, 41b, 41c are closed by detachable covers 42a, 42b, 42c.
  • the covers 42 a, 42 b, 42 c are configured to be fixed to the auger drum 27 by a plurality of bolts 43.
  • the bolts 43 for attaching the covers 42a, 42b, and 42c are not described in detail, but in order to reduce the risk of catching crops, the outer shape of the head is cylindrical, and the top of the head is A hexagon hole is formed, and a fastening operation and a removal operation can be performed using a hexagon wrench (not shown).
  • the sliding guide 39 As shown in FIGS. 6, 7, and 8, the sliding guide body 39 is integrally formed of a synthetic resin material, and the width along the axial direction of the auger drum 27 is narrow and the width along the circumferential direction. Is wide and formed in a long shape along the circumferential direction. The width is narrower from the middle portion in the longitudinal direction toward both side ends, and both end portions are formed in an arc shape.
  • the sliding guide 39 is formed in a smooth circular arc surface along the inner peripheral surface of the auger drum 27 over the entire side surface on the radially outer side.
  • the side surface on the radially inner side of the sliding guide 39 is formed on three flat surfaces that are bent so as to be substantially along the circumferential direction of the auger drum 27.
  • the sliding guide body 39 is fixed and attached by the fixture unit 45 in a state where the radially outer side portion is in contact with the inner peripheral surface of the auger drum 27.
  • the sliding guide 39 is formed with an insertion hole 46 through which the scraping body 28 passes the auger drum 27 in the radial direction.
  • the sliding guide body 39 is fixed to the auger drum 27 by a fixture unit 45 at each of the positions located on both sides of the insertion hole 46 in the circumferential direction of the auger drum 27.
  • the fixing unit 45 includes bolts 47 attached in a state where the auger drum 27 is inserted in the radial direction from the outer peripheral side of the auger drum 27 at locations positioned on both sides of the insertion hole 46 in the circumferential direction of the auger drum 27. And a nut 48 as a fastener that is positioned on the inner peripheral side of the auger drum 27 and to which the bolt 47 is fastened.
  • the pair of nuts 48 is formed in a square shape, and the pair of nuts 48 are integrally connected by a plate-like connecting member 49.
  • the pair of nuts 48 and the connecting member 49 that are integrally connected in this way correspond to the inner fixing portion 50 that is mounted in a state where the sliding guide body 39 is sandwiched from the radially inner side.
  • the sliding guide body 39 is formed with an insertion hole 46 through which the scraping body 28 is inserted so as to penetrate the central portion in the longitudinal direction along the radial direction.
  • Bolt insertion holes 51 are formed at both sides in the circumferential direction of the insertion hole 46, that is, at positions located on both sides of the insertion hole 46 along the longitudinal direction of the sliding guide body 39 so that the bolts 47 are inserted. ing.
  • a protruding portion 53 that protrudes radially outward and fits into an opening 52 formed in the auger drum 27 is formed at a radially outward portion of the central portion of the sliding guide 39.
  • An insertion hole 46 through which the scraping body 28 is inserted is formed in a state where the inside of the convex portion 53 is inserted along the radial direction.
  • an opening 52 for fitting the convex portion 53 of the sliding guide body 39 is formed at a position corresponding to the attachment position of the scraping body 28.
  • the sliding guide body 39 is mounted from the inner peripheral side of the auger drum 27 in a state where the convex portion 53 is fitted in the opening 52.
  • the inner fixing portion 50 is attached from the radially inner side of the sliding guide body 39, the bolt 47 is inserted from the radially outer side of the auger drum 27, and is screwed onto the nut 48 and tightened.
  • the sliding guide 39 is fixed.
  • Such a mounting operation of the sliding guide 39 can be performed from the radially outer side of the auger drum 27 through the assembly holes 41a, 41b, 41c with the covers 42a, 42b, 42c opened.
  • the convex portion 53 formed at the radially outer side portion of the central portion of the sliding guide body 39 does not protrude radially outward from the outer peripheral surface of the auger drum 27.
  • the protrusion 27 is formed as a protrusion having a small protrusion amount that fits into the opening 52 formed in the drum 27.
  • the sliding guide body 39 does not protrude radially outward from the outer peripheral surface of the auger drum 27, so that there is little possibility of trapping of scraps and the like, and the convex portion 53 fits into the opening 52 so that the auger drum is fitted. 27 can be prevented from being displaced in the circumferential direction.
  • the inner fixing portion 50 that is, a pair of nuts 48 (fasteners) and a connecting member 49 that are integrally connected are fitted to the inner peripheral surface of the sliding guide body 39.
  • the fitting portion 54 is formed so as to be recessed in the inner peripheral surface of the sliding guide body 39.
  • the inner fixing portion 50 is attached to the sliding guide body 39 in a state of being aligned by fitting into the fitting portion 54.
  • the bolt 47 can be easily mounted from the radially outer side of the auger drum 27 with the inner fixing portion 50 fitted in the fitting portion 54.
  • the inner fixing portion 50 is mounted in a state of being fitted into the fitting portion 54 and being applied to the inner peripheral surface of the sliding guide body 39 without a gap.
  • protruding portions 55 that protrude toward the scraping body 28 are formed at portions located on both sides of the insertion hole 46 in the circumferential direction of the auger drum 27.
  • the protruding portion 55 is provided at a location in the sliding guide 39 that contacts the inner peripheral surface of the auger drum 27.
  • the insertion hole 46 has a long hole shape in the circumferential direction at the inner peripheral surface side portion of the sliding guide body 39.
  • a protruding portion 55 is formed so that the inner surface of the insertion hole 46 protrudes toward the scraper 28 side, that is, the side close to each other toward the radially outer side.
  • the protruding portion 55 has a shape in which a portion that contacts the inner peripheral surface of the auger drum 27 protrudes most.
  • the insertion hole 46 has a substantially circular shape on the outer peripheral surface side of the sliding guide 39 (see FIG. 4).
  • the inner surface of the projecting portion 55 is formed in an inclined shape so as to approach each other toward the radially outer side. With this configuration, the inner surface of the scraping body 28 and the insertion hole 46 is inserted at a position where the auger drum 27 is inserted while allowing a relative change in the posture of the scraping body 28 accompanying the rotation of the auger drum 27. And the dust can be prevented from entering the auger drum 27 through the insertion hole 46.
  • the sliding guide body is located at a position where the protruding portion 55 of the insertion hole 46 protrudes most.
  • a pressing force acts on 39.
  • the projecting portion 55 is the most projecting portion is in contact with the inner peripheral surface of the auger drum 27, the pressing force as described above is received by the auger drum 27 and the force is dispersed, so that the sliding guide It is possible to avoid the body 39 from being damaged.
  • the connecting member 49 in the inner fixing portion 50 is provided with an extension guide portion 56 that extends the inner peripheral surface of the insertion hole 46 radially inward. That is, as shown in FIGS. 6, 7, and 8, the connection member 49 is formed with an opening 57 for allowing the scraping body 28 to be inserted. Of the peripheral edge of the opening 57, the portions located on both sides in the circumferential direction are bent radially inwardly into an approximately L shape to form an extension guide portion 56.
  • the scraping body 28 may be detached from the insertion hole 46 of the sliding guide body 39 when it is retracted inward in the radial direction of the auger drum 27. However, it is possible to avoid the scraping body 28 from being pulled out to the inward side of the auger drum 27 by being received by the extension guide portion 56 formed in the inner fixing portion 50.
  • the bolt 47 in the fixture unit 45 is mounted so that the auger drum 27 is inserted in the radial direction in a state where the bolt head 47a is positioned on the outer peripheral side of the auger drum 27. Further, between the bolt head 46 a and the outer peripheral surface of the auger drum 27, a flat washer 58 that abuts the outer peripheral surface of the auger drum 27 on the shaft portion of the bolt 47, and the flat washer 58 and the bolt head 47 a. A spring washer 59 located between them is mounted.
  • the flat washer 58 that contacts the outer peripheral surface of the auger drum 27 is a wooden washer, and is a plain washer having a large ratio of the outer diameter to the inner diameter.
  • the wood washer is a washer having a large area in a flat portion so that it is not buried in the wood by tightening the bolts 47.
  • the fixture unit 45 includes the nut 48 positioned on the inner peripheral surface of the auger drum 27 and the bolt 47 attached from the outer peripheral surface side of the auger drum.
  • the fixture unit 45 is configured by a bolt positioned on the inner peripheral surface of the auger drum 27 and a nut attached from the outer peripheral surface side of the auger drum 27.
  • the fixture unit 45 is not limited to one configured with bolts and nuts, and various types of configurations such as a configuration using an adhesive or a configuration that is fixed by pressing with an elastic body can be used. .
  • the sliding guide body 39 is formed with the convex portion 53 protruding outward in the radial direction, and the insertion hole 46 is formed inside the convex portion 53.
  • the configuration is exemplified, instead of such a configuration, for example, the scraping body 28 is in a state where the position is changed in the direction along the peripheral surface of the auger drum 27 with respect to the portion where the convex portion 53 is formed. You may form the insertion hole which penetrates.
  • the slide guide 39 may not be formed with the convex portion 53 as described above, but may be aligned with the auger drum 27 only by the connection by the fixture unit 45.
  • the inner fixing portion 50 of the fixture unit 45 includes the pair of nuts 48 and the connecting member 49 that connects the pair of nuts 48. Instead of this, a pair of nuts may be mounted separately.
  • the fitting portion 54 into which the pair of nuts 48 and the connecting member 49 are fitted is formed on the inner peripheral surface of the sliding guide body 39. What does not form the fitting part 54 may be sufficient.
  • FIG. 9 shows an ordinary combine which is an embodiment of a combine according to the present invention.
  • a traveling machine body 102 having a pair of left and right crawler traveling devices 101 is connected to an axial flow type threshing device 103 and a grain storage device.
  • Grain tanks 104 are arranged in parallel on the left and right.
  • An operation unit 105 is provided in front of the grain tank 104.
  • a feeder 106 for conveying the harvested cereal meal is connected to the front part of the threshing device 103 so as to be swingable up and down around the horizontal axis, and at the front end of the feeder 106 there is a harvesting part 107 having a cutting width substantially corresponding to the lateral width of the machine body. It is connected.
  • Rotating reel 108 for scraping the planted crops backward is provided above the front part of the cutting part 107. Further, a grain discharging device 109 for discharging the grains stored in the grain tank 104 to the outside is provided.
  • An engine 111 is mounted below the driver seat 110 in the driver 105, and a mission case 112 is provided below the front of the fuselage. Further, a main transmission (not shown) constituted by a hydrostatic continuously variable transmission is provided on the upper side of the mission case 112.
  • the cutting unit 107 includes a cutting unit frame 127 configured by connecting square pipes, angle members having an L-shaped cross section, and the like, a back plate 128 that forms a back surface, a transport deck 129 that forms a bottom surface, and left and right sides that form left and right side surfaces.
  • a frame structure in which each of the pair of side plates 130 is connected and fixed is configured.
  • a clipper type mowing device 132 is provided along the front end of the transfer deck 129 and across the left and right side plates 130.
  • a transverse feed auger 133 that assembles and conveys the harvested cereal mash K toward the middle in the lateral direction of the machine body is installed, so that the chopped cereal K can be supplied to the front end inlet of the feeder 106. It is configured.
  • the feeder 106 will be described. As shown in FIGS. 9 to 11, the feeder 106 has a feeder case 137 formed in a rectangular tube shape, and a rear end portion side (corresponding to one end portion side) in the transport direction inside the feeder case 137. , A drive shaft 138 that is rotatably driven around the horizontal axis X1 along the left-right direction of the traveling machine body 102, and a pair of sprockets that are provided on the drive shaft 138 at intervals in the horizontal axis X1 direction.
  • a pair of endless chains 142 wound around the sprocket 139 and the drum 141, and at a position spaced in the longitudinal direction of the endless chain 142, are taken sideways across the pair of endless chains 142. Attached, and a carrier 143 which moves the culms K the conveying direction hooking reaper with rotation of the endless chain 142, a tension adjusting mechanism 144 tension is adjustable to the endless chain 142, the.
  • the power from the engine 111 is transmitted to the drive shaft 138, and the pair of sprockets 139 rotate together with the drive shaft 138, whereby the endless chain 142 is rotationally driven.
  • the transport body 143 moves along the transport direction, and the harvested cereal cake K can be transported.
  • the conveying path of the harvested grain culm K is a space between the lower chord side of the endless chain 142 and the bottom portion of the feeder case 137, and the sprocket 139 in the drawing is around the horizontal axis X1.
  • the counterclockwise rotation state is the normal rotation state.
  • the endless chain 142 is configured by connecting a number of link members L in a tandem state, and a pair of endless chains 142 are arranged in parallel at intervals in the width direction of the feeder 106.
  • the basic structure of the link member L includes a pair of pins 142Aa (or bushings 142Ab) arranged in parallel at intervals in the column direction, and one end portions of the pair of pins 142Aa (or bushings 142Ab). And a pair of outer plates 142Ba (or inner plates 142Bb) that connect the other ends to each other, and a roller 142Ac that is externally fitted to the bush 142Ab.
  • Outer links L1 having a pair of pins 142Aa and a pair of outer plates 142Ba, and inner links L2 having a pair of bushings 142Ab and a pair of inner plates 142Bb are alternately arranged in the column direction.
  • the connecting portion between the outer link L1 and the inner link L2 is such that the pin 142Aa of the outer link L1 is fitted in the inner space of the bush 142Ab of the inner link L2, so that both links L1, L2 are around the pin 142Aa. It is connected in a swingable state.
  • the pin part 142A is provided with a pin 142Aa, a bush 142Ab, and a roller 142Ac.
  • the pin 142A engages with a recess U of the sprocket 139 described later, whereby the rotational driving force of the sprocket 139 is transmitted to the endless chain 142, and the entire endless chain 142 circulates in the direction of the arrow in FIG. it can.
  • the corresponding outer link L1 is provided with a flange portion f for attaching the transport body 143 to the outer plate 142Ba, and the transport body 143 is screwed to the flange portion f.
  • the transport body 143 is configured by an elongated member having a “U” cross section, and the curved opening of the cross section “U” is attached so as to face outward of the circulation locus of the endless chain 142.
  • the endless chain 142 may use the offset link L3 interposed between the outer link L1 and the inner link L2 described above (see FIGS. 11 and 12).
  • the length of the endless chain 142 can be adjusted by using the offset link L3.
  • the offset link L3 and the link L adjacent to the offset link L3 can be connected and disconnected by using a bolt nut (see FIG. 12) for the pin 142Aa, or by engaging a retaining locking pin with the rod-shaped pin.
  • a structure (not shown) for stopping can be employed.
  • the pitch Pc of the pin portion 142A in the longitudinal direction of the endless chain 142 is set to the same value as the pitch Ps of the recess U of the sprocket 139 described later (see FIG. 13).
  • the sprocket 139 will be described. As shown in FIG. 13, the sprocket 139 has a plurality of teeth H along the circumferential direction of the sprocket 139, and the pin portion 142 ⁇ / b> A of the endless chain 142 is engaged in the recess U between the adjacent teeth H. It is formed to be able to.
  • the concave portion U includes, on the other side in the circumferential direction, the side portion 150 on the other side in the circumferential direction of the teeth H located on one side in the circumferential direction (the circumferential direction of the sprocket 139) among the adjacent teeth H.
  • gear H located is provided, and the bottom part 151 over the other side part 150 and the one side part 152 is provided.
  • the bottom portion 151 is formed in a flat shape along the circumferential direction, and the other side portion 150 and the one side portion 152 are formed in a curved shape along the outer shape of the roller 142Ac of the endless chain 142. .
  • a boundary portion g between the bottom portion 151 and the other side portion 150 and a boundary portion g between the bottom portion 151 and the one side portion 152 are separated from the horizontal axis X1 that is the rotation center of the sprocket 139. Is equidistant.
  • the circumferential width 151a of the bottom 151 is set to 2 mm or more and 5 mm or less.
  • the pin portion 142A of the endless chain 142 that engages in the concave portion U can be positioned in the concave portion U at an arbitrary position in the range of the circumferential width 151a of the bottom portion 151.
  • the pin portion 142A is By moving along the circumferential direction, it is possible to remove the harvested cereal mash K, and avoid a state of riding on the harvested cereal mash K. Therefore, each adjacent pin part 142A can also maintain each engagement in the corresponding recessed part U in the state which shifted
  • the tooth tip 153 of the tooth H is formed in a flat shape along the circumferential direction, and the circumferential width 153a of the tooth tip 153 is the outer diameter R of the roller 142Ac (outside the pin portion 142A). It is set to a larger value.
  • the tooth skip is less likely to occur as described above. This effect can be expected when the sprocket 139 rotates forward or backward. Further, since the tooth tip 153 has a flat shape along the circumferential direction, it is difficult to get caught when the tooth tip 153 is fitted to the endless chain 142. That is, it is possible to more suitably realize tooth skip prevention and smooth rotational driving force transmission between the sprocket 139 and the endless chain 142.
  • the feeder 106 is not limited to the shape and structure described in the second embodiment.
  • the arrangement of the drum 141 and the sprocket 139 is the drum 141 on the front end side and the sprocket 139 on the rear end side.
  • the front end side may be a sprocket 139 and the rear end side may be a drum 141, which may be set on the opposite side.
  • the rotating body 141 itself may be replaced with a drum and configured by a sprocket.
  • the sprocket 139 is not limited to the one provided on the drive shaft 138 but may be disposed on the driven shaft.
  • the sprocket 139 is not limited to the shape and structure described in the second embodiment, and can be changed as appropriate.
  • the circumferential width 153a of the tooth tip 153 may be set to be equal to or smaller than the outer diameter of the pin portion 142A.
  • the number of teeth H is not limited.
  • the bottom 151 has a flat shape along the circumferential direction.
  • the flat shape here is not limited to a simple flat surface, but a curved shape along the circumferential direction of the sprocket 139.
  • the pin portion 142A is a generic name including a flat shape including a flat shape within a range in which the pin portion 142A can be displaced along the circumferential direction except for the harvested rice cake K. To do.
  • the sprocket 139 having the flat bottom 151 may be applied to a feeder not provided with the tension adjusting mechanism 144 as shown in FIG. good.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Outside Dividers And Delivering Mechanisms For Harvesters (AREA)

Abstract

La présente invention comprend : une vis transversale 18 pour transférer le chaume de céréales récoltées dans le sens de la largeur de la machine ; et un dispositif d'alimentation 6 pour transporter vers l'arrière de la moissonneuse, le chaume de céréales récoltées qui a été transféré par la vis transversale 18 et envoyé ensuite vers l'arrière. La vis transversale 18 est munie : d'un tambour de vis cylindrique 27 qui tourne autour d'un axe horizontal, d'une aube hélicoïdale 26 destinée à transférer le chaume de céréales qui est placée sur la périphérie extérieure du tambour de vis cylindrique 27 ; des corps de raclage 28 pour acheminer le chaume de céréales récoltées hors du dispositif d'alimentation 6, les corps de raclage 28 tournant intégralement avec la rotation du tambour de vis 27 tout en entrant et en sortant du tambour de vis 27 ; et des corps de guidage par coulissement 39 pour guider les corps de raclage 28 par coulissement afin de permettre le mouvement dans et hors du tambour de vis 27, les corps de guidage par coulissement 39 étant placés sur le côté de la surface périphérique interne du tambour de vis 27.
PCT/JP2017/008176 2016-03-01 2017-03-01 Moissonneuse et moissonneuse-batteuse WO2017150630A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201780014594.3A CN108697049B (zh) 2016-03-01 2017-03-01 收割机及联合收割机
PH12018501767A PH12018501767A1 (en) 2016-03-01 2018-08-17 Harvester and combine

Applications Claiming Priority (4)

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JP2016-039034 2016-03-01
JP2016039034A JP6615006B2 (ja) 2016-03-01 2016-03-01 コンバイン
JP2016043725A JP6656024B2 (ja) 2016-03-07 2016-03-07 収穫機
JP2016-043725 2016-03-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021036801A (ja) * 2019-08-31 2021-03-11 井関農機株式会社 コンバイン

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS3935987Y1 (fr) * 1962-12-27 1964-12-02
JPS4326997Y1 (fr) * 1964-12-14 1968-11-08
JPS57187031U (fr) * 1981-05-21 1982-11-27
JPS5841676U (ja) * 1981-09-16 1983-03-18 三菱農機株式会社 クロ−ラ用駆動スプロケツト
JPS61175654U (fr) * 1985-04-20 1986-11-01
JPH0219967U (fr) * 1988-07-18 1990-02-09
US20140237978A1 (en) * 2013-02-26 2014-08-28 Deere & Company Frusto-conical conveyor with retracting fingers
JP2014193117A (ja) * 2013-03-28 2014-10-09 Kubota Corp 普通型コンバイン
JP2015035984A (ja) * 2013-08-15 2015-02-23 株式会社クボタ 普通型コンバイン

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2511553B2 (ja) * 1990-03-16 1996-06-26 株式会社クボタ 全稈投入型コンバインの穀稈搬送部構造
JP2000092957A (ja) * 1998-09-22 2000-04-04 Kubota Corp コンバインの扱深さ調節構造
AU2006206413B2 (en) * 2005-01-19 2011-03-17 Laitram, L.L.C. Low friction, direct drive conveyor belt
DE102005027841A1 (de) * 2005-06-15 2007-01-11 Claas Selbstfahrende Erntemaschinen Gmbh Schrägförderer für Mähdrescher
JP4713375B2 (ja) * 2006-03-14 2011-06-29 ヤンマー株式会社 コンバイン
CN201733624U (zh) * 2010-07-15 2011-02-09 江苏沃得农业机械有限公司 联合收割机收割物传送装置
JP5503586B2 (ja) * 2011-03-30 2014-05-28 株式会社クボタ 普通型コンバイン
CN203335632U (zh) * 2013-06-14 2013-12-11 申科滑动轴承股份有限公司 一种新型可倾瓦轴承
JP6106635B2 (ja) * 2014-07-11 2017-04-05 本田技研工業株式会社 蓄電モジュール
CN204942473U (zh) * 2015-06-05 2016-01-06 中钢集团衡阳重机有限公司 一种用于滚子链联轴器的链轮轮齿

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS3935987Y1 (fr) * 1962-12-27 1964-12-02
JPS4326997Y1 (fr) * 1964-12-14 1968-11-08
JPS57187031U (fr) * 1981-05-21 1982-11-27
JPS5841676U (ja) * 1981-09-16 1983-03-18 三菱農機株式会社 クロ−ラ用駆動スプロケツト
JPS61175654U (fr) * 1985-04-20 1986-11-01
JPH0219967U (fr) * 1988-07-18 1990-02-09
US20140237978A1 (en) * 2013-02-26 2014-08-28 Deere & Company Frusto-conical conveyor with retracting fingers
JP2014193117A (ja) * 2013-03-28 2014-10-09 Kubota Corp 普通型コンバイン
JP2015035984A (ja) * 2013-08-15 2015-02-23 株式会社クボタ 普通型コンバイン

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021036801A (ja) * 2019-08-31 2021-03-11 井関農機株式会社 コンバイン
JP2021100433A (ja) * 2019-08-31 2021-07-08 井関農機株式会社 コンバイン
JP7196944B2 (ja) 2019-08-31 2022-12-27 井関農機株式会社 コンバイン

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PH12018501767A1 (en) 2019-05-15
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