JP6656024B2 - Harvester - Google Patents

Description

  The present invention relates to a harvester in which cut crops are gathered in a lateral width direction of a machine body by a lateral feed auger, and are conveyed rearward by a feeder.

  In a conventional combine harvester, which is an example of a harvester, conventionally, a lateral feed auger has spiral blades for transferring grain culm on the outer periphery of a cylindrical auger drum, and is scraped from the auger drum as the auger drum rotates. It is configured so that the body rotates integrally while moving back and forth and sends out the cut culm to the feeder. The scraping body is supported so as to be able to move back and forth with a sliding guide provided on the auger drum inserted therethrough, and the sliding guide is configured to be attached to the auger drum from the outer peripheral side. (For example, refer to Patent Document 1).

JP 2007-215453 A

  In the above-described conventional configuration, the sliding guide body is configured to be attached to the auger drum from the outer peripheral side, so that the sliding guide body projects radially outward from the outer peripheral surface of the auger drum. As a result, when the mowing operation is performed and the harvested grain culm is sent out to the feeder by the scraped body, even after the scraped body retreats inward in the radial direction, the sliding that protrudes radially outward. It may be caught by the guide and stay. Then, such harvested grain culms may accumulate in the vicinity of the sliding guide body, which may cause grain culm clogging in the lateral feeding auger.

  Therefore, it has been desired to be able to perform a good mowing operation with little possibility that the mowing culm will be caught and accumulated.

The characteristic configuration of the harvester according to the present invention includes:
A lateral feed auger that transports the harvested grain culm in the lateral width direction of the machine, and a feeder that transports the harvested grain culm that has been transported by the transverse auger and then sent rearward to the aircraft rear side, is provided.
The transverse auger is
Spiral blades for grain culm transfer are provided on the outer periphery, and a cylindrical auger drum that rotates around the horizontal axis,
A scraping body that integrally rotates and sends the harvested grain culm to the feeder while retracting from the auger drum with the rotation of the auger drum,
An insertion hole through which the scraped body is inserted is formed, and a sliding guide body attached to the inner peripheral surface side of the auger drum for slidingly guiding the scraped body out of the auger drum, equipped with a,
In the sliding guide body, at a portion located on both sides of the insertion hole in a circumferential direction of the auger drum, a protruding portion projecting toward the scraping body side from an opening formed in the auger drum is formed. At the same time, it is fitted into an opening formed in the auger drum without projecting radially outward from the outer peripheral surface of the auger drum at the outer peripheral portion of the projecting portion and radially outward from the outer peripheral surface of the auger drum. The point is that the convex portion is formed .

  According to the present invention, since the sliding guide is attached to the inner peripheral surface side of the auger drum, the sliding guide is scraped by the sliding guide in a state where the sliding guide does not protrude radially outward from the outer peripheral surface of the auger drum. It becomes possible to slide and guide the inserted body out of the auger drum.

  As a result, when the harvested grain culm that was fed sideways while the auger drum was rotating is sent out to the feeder by the scraping body, even if some of the harvested grain culm may remain on the auger drum side, that remains. The harvested grain culm does not accumulate because the scraped body retreats inward in the radial direction and the outer peripheral surface of the auger drum in the vicinity does not protrude greatly outward. Part will be separated.

  Therefore, the possibility of clogging of the culm in the lateral feed auger due to the culled culm being caught and accumulated on the outer peripheral portion of the auger drum is reduced, and a good reaping operation can be performed.

Further, according to the present invention, when the scraped body moves out of the auger drum with the rotation of the auger drum, the scraped body is supported by the sliding guide body so as to be able to move out and back while passing through the insertion hole. At that time, the scraped body is slid and guided while being received by the protrusions formed on the portions located on both sides of the insertion hole.

Further, according to the present invention, the position of the sliding guide along the peripheral surface of the auger drum is determined by fitting the projection formed on the sliding guide into the opening formed on the auger drum. By fitting the protrusion into the opening in this way, it is possible to restrict the sliding guide from moving along the peripheral surface of the auger drum. Therefore, the sliding guide is supported in a stable state with a small displacement in the direction along the peripheral surface of the auger drum.

  In the present invention, the slide guide body is fixed and attached by a fixture unit in a state where a radially outer portion of the slide guide body contacts an inner peripheral surface of the auger drum. It is suitable.

  According to this configuration, since the radially outer portion of the sliding guide is in contact with the inner peripheral surface of the auger drum, when the sliding guide is fixed by the fixture unit, it is applied to the auger drum. It can be fixed firmly with it attached.

  Therefore, while the sliding guide is located on the inner peripheral surface side of the auger drum, the sliding guide can be reliably fixed to the auger drum by the fixture unit.

In the present invention, the front Symbol protrusion of the sliding guide member, it is preferable to provided the locations of Setto the inner peripheral surface of said auger drum.

According to this arrangement, the position of Setto the inner peripheral surface of the auger drum of the sliding guide member, because the protruding portion protruding toward the raking side is provided, raking with the projecting and retracting movement Even if the sliding guide body receives a pressing force along the circumferential direction from the body, the force is received by the inner peripheral surface of the auger drum, and an excessive force is applied to the sliding guide body. Can be avoided. As a result, there is little possibility that the sliding guide body is damaged or the like, and the durability can be improved.

The feature configuration of another harvester according to the present invention includes:
A lateral feed auger that transports the harvested grain culm in the lateral width direction of the machine, and a feeder that transports the harvested grain culm that has been transported by the transverse auger and then sent rearward to the aircraft rear side, is provided.
The transverse auger is
Spiral blades for grain culm transfer are provided on the outer periphery, and a cylindrical auger drum that rotates around the horizontal axis,
A scraping body that integrally rotates and sends the harvested grain culm to the feeder while retracting from the auger drum with the rotation of the auger drum,
An insertion hole through which the scraped body is inserted is formed, and in a state where a radially outer portion is in contact with the inner peripheral surface of the auger drum, a fixing unit is provided on the inner peripheral surface side of the auger drum. Fixedly mounted, a sliding guide body for slidingly guiding the scraped body out of the auger drum,
The fixing device unit includes an inner fixing portion that is attached to the auger drum from a radially inner side, and that sandwiches the sliding guide body with an inner peripheral surface of the auger drum.
The fastening part lies in the extension guide portion is provided to extend the inner peripheral surface of the insertion hole in the radially inward side.

According to the present invention, since the sliding guide is attached to the inner peripheral surface side of the auger drum, the sliding guide is scraped by the sliding guide in a state where the sliding guide does not protrude radially outward from the outer peripheral surface of the auger drum. It becomes possible to slide and guide the inserted body out of the auger drum.

As a result, when the harvested grain culm that was fed sideways while the auger drum was rotating is sent out to the feeder by the scraping body, even if some of the harvested grain culm may remain on the auger drum side, that remains. The harvested grain culm does not accumulate because the scraped body retreats inward in the radial direction and the outer peripheral surface of the auger drum in the vicinity does not protrude greatly outward. Part will be separated.

Therefore, the possibility of clogging of the culm in the lateral feed auger due to the culled culm being caught and accumulated on the outer peripheral portion of the auger drum is reduced, and a good reaping operation can be performed.

Further, according to the present invention, since the radially outer portion of the sliding guide is in contact with the inner peripheral surface of the auger drum, the auger drum is fixed when the sliding guide is fixed by the fixture unit. It can be fixed firmly in the state where it is applied to.

Therefore, while the sliding guide is located on the inner peripheral surface side of the auger drum, the sliding guide can be reliably fixed to the auger drum by the fixture unit.

Further, according to the present invention , the sliding guide body has an inner fixing portion in the fixture unit and an inner peripheral surface of the auger drum in a state where the radially outer side portion is in contact with the inner peripheral surface of the auger drum. As a result, the sliding guide body is firmly fixed with the sliding guide body sandwiched therebetween.

  Then, the inner peripheral surface of the insertion hole through which the scraper is inserted is extended radially inward by the extension guide portion provided on the inner fixed portion. When the scraped body retreats inward in the radial direction, the tip of the scraped body is located radially inward of the insertion hole of the sliding guide due to an assembly error of the entire lateral feed auger. Even if there is a misalignment, it is possible to prevent the scraped body from coming off by being supported by the extension guide.

The feature configuration of another harvester according to the present invention includes:
A lateral feed auger that transports the harvested grain culm in the lateral width direction of the machine, and a feeder that transports the harvested grain culm that has been transported by the transverse auger and then sent rearward to the aircraft rear side, is provided.
The transverse auger is
Spiral blades for grain culm transfer are provided on the outer periphery, and a cylindrical auger drum that rotates around the horizontal axis,
A scraping body that integrally rotates and sends the harvested grain culm to the feeder while retracting from the auger drum with the rotation of the auger drum,
An insertion hole through which the scraped body is inserted is formed, and in a state where a radially outer side portion is in contact with an inner peripheral surface of the auger drum, an inner peripheral surface side of the auger drum is provided. At each of the locations located on both sides of the insertion hole in the circumferential direction, a sliding guide body fixed and attached by a fixture unit and slidingly guiding the scraped body out of the auger drum, With
The fixing unit includes a pair of fasteners located on both sides of the insertion hole in a circumferential direction of the auger drum, and a connecting member that connects the pair of fasteners.
The sliding guide has an inner peripheral surface formed with a fitting portion into which the pair of fasteners and the connecting member are fitted.

According to the present invention, since the sliding guide is attached to the inner peripheral surface side of the auger drum, the sliding guide is scraped by the sliding guide in a state where the sliding guide does not protrude radially outward from the outer peripheral surface of the auger drum. It becomes possible to slide and guide the inserted body out of the auger drum.

As a result, when the harvested grain culm that was fed sideways while the auger drum was rotating is sent out to the feeder by the scraping body, even if some of the harvested grain culm may remain on the auger drum side, that remains. The harvested grain culm does not accumulate because the scraped body retreats inward in the radial direction and the outer peripheral surface of the auger drum in the vicinity does not protrude greatly outward. Part will be separated.

Therefore, the possibility of clogging of the culm in the lateral feed auger due to the culled culm being caught and accumulated on the outer peripheral portion of the auger drum is reduced, and a good reaping operation can be performed.

Further, according to the present invention, since the radially outer portion of the sliding guide is in contact with the inner peripheral surface of the auger drum, the auger drum is fixed when the sliding guide is fixed by the fixture unit. It can be fixed firmly in the state where it is applied to.

Therefore, while the sliding guide is located on the inner peripheral surface side of the auger drum, the sliding guide can be reliably fixed to the auger drum by the fixture unit.

Further, according to the present invention , the sliding guide is fixed by the fixing unit at each of the positions located on both sides of the insertion hole along the circumferential direction of the auger drum. In other words, since the scraped body is fixed at both lateral sides of the insertion hole through which the scraped body is inserted, even if the scraped body repeatedly slides, the both sides of the insertion hole are stably supported in a fixed state. Therefore, the sliding guide can exhibit a good guiding function over a long period of time.

Further , according to the present invention , the slide guide is fixed to the auger drum by a separately provided fastener at each of the positions located on both sides of the insertion hole in the circumferential direction of the auger drum. Since the pair of fasteners are connected to each other by the connecting member, the pair of fasteners do not fall apart at the time of assembling or maintenance work, so that the handling is easy and the workability is improved.

Further, according to the present invention , when the sliding guide is attached to the inner peripheral surface of the auger drum during assembly or maintenance work, a pair of fasteners and a connecting member are attached to the inner peripheral surface of the sliding guide. Positioning can be easily performed by fitting into the formed fitting portion, and the assembling work can be easily performed.

In the present invention according to the another harvester , in the sliding guide body, at a portion located on both sides of the insertion hole in the circumferential direction of the auger drum, a protruding portion protruding toward the scraping body side is provided. Formed,
It is preferable that the protruding portion is provided at a portion of the sliding guide body that comes into contact with the inner peripheral surface of the auger drum.

According to this configuration, when the scraping body moves out of the auger drum with the rotation of the auger drum, the scraping body is supported by the sliding guide so as to be able to freely move in and out of the insertion hole. At that time, the scraped body is slid and guided while being received by the protrusions formed on the portions located on both sides of the insertion hole.

And since the protrusion which protrudes toward the scraping body side is provided in the part which contacts the inner peripheral surface of the auger drum in the sliding guide body, it slides from the scraping body as it moves in and out. Even if a pressing force is applied to the guide body in the circumferential direction, the force is received by the inner peripheral surface of the auger drum, and it is possible to prevent the slide guide body from being subjected to an excessive force. As a result, there is little possibility that the sliding guide body is damaged or the like, and the durability can be improved.

Further, in the present invention according to the another harvester, the sliding guide body is formed with a protruding portion that protrudes radially outward and fits into an opening formed in the auger drum. Is preferred.

According to this configuration, the position of the sliding guide along the peripheral surface of the auger drum is determined by fitting the convex portion formed on the sliding guide into the opening formed on the auger drum. By fitting the protrusion into the opening in this way, it is possible to restrict the sliding guide from moving along the peripheral surface of the auger drum. Therefore, the sliding guide is supported in a stable state with a small displacement in the direction along the peripheral surface of the auger drum.

Further, in the present invention according to the another harvester, in a state where the inside of the convex portion of the sliding guide body is inserted along a radial direction, an insertion hole through which the scraped body is inserted is formed. It is suitable.

According to this configuration, the scraper is inserted through the insertion hole formed inside the convex portion of the sliding guide. Since the insertion hole is formed in the protrusion fitted into the opening formed in the auger drum, the protrusion acts on the auger drum in a direction along the peripheral surface of the auger drum with the sliding of the scraper. Also, since the projections fit into the openings, it is possible to prevent a positional deviation in the direction along the peripheral surface of the sliding guide.

In the present invention, in the fixture unit, a bolt inserted radially through the auger drum in a state where the bolt head is located on the outer peripheral side of the auger drum, and located 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 abutting on the outer peripheral surface of the auger drum is located on the shaft portion of the bolt, and between the flat washer and the bolt head. It is preferable that a spring washer is mounted.

  According to this configuration, a bolt is inserted radially inward from the outer peripheral side of the auger drum, and a nut located on the inner peripheral side of the auger drum is fastened to the bolt, whereby the sliding guide body is connected to the auger drum. Can be fixed to the inner peripheral surface.

  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 located at a position in contact with the outer peripheral surface of the auger drum, and the spring washer is positioned between the flat washer and the bolt head.

  In the case where a grain clogging occurs in the lateral feeding auger, an excessive force may be applied to the bolt due to the relative movement between the auger drum and the scraped body. When only the spring washer having a smaller outer diameter is provided between the bolt head and the outer peripheral surface of the auger drum, if the bolt is slightly inclined, the corner of the outer peripheral portion of the spring washer becomes the outer peripheral surface of the auger drum. , A local load is applied to the auger drum, and the outer peripheral surface of the auger drum may be damaged.

  Therefore, by interposing a flat washer having a larger contact area than the spring washer, 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 damage to the auger drum can be avoided.

It is a whole side view of a normal type combine. It is a partial vertical side view of the combine front part. It is a partial cross-sectional plan view of a combine front part. It is a top view of the state where the auger drum was developed. It is a vertical side view of a transverse feed auger. It is a partial longitudinal side view of a transverse feed auger. It is explanatory drawing which shows the attachment state of a sliding guide. It is a perspective view of a sliding guide.

  Hereinafter, a case where the embodiment of the harvester according to the present invention is applied to a normal combine as an example of a harvester will be described with reference to the drawings. In this embodiment, when the longitudinal direction of the machine is defined, it is defined along the machine traveling direction in the working state. That is, the direction shown by the reference numeral (F) in FIG. 1 is the front side of the aircraft, and the direction shown by the reference numeral (B) in FIG. 1 is the rear side of the aircraft.

  As shown in FIG. 1, in this combine, an axial-flow threshing device 3 and a grain tank 4 for storing grain are arranged in parallel on a traveling machine body 2 having a pair of right and left crawler traveling devices 1. At the same time, an operation unit 5 is provided in front of the grain tank 4. A feeder 6 for transporting the harvested grain culm is connected to the front of the threshing device 3 so as to be able to swing up and down around a horizontal axis P1. Are linked. Above the front part of the reaping unit 7, a rotating reel 8 for scraping the planted crop backward is provided. 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 unit of the body, so that the mowing operation can be performed while the body is running.

  As shown in FIGS. 1, 2, and 3, the mowing portion 7 is formed by connecting a square pipe, an angle material having an L-shaped cross section, and the like to a mowing portion frame 12, which forms a back plate 13 that forms a back surface and a bottom surface. The transport deck 14 and a pair of left and right side plates 15 and 16 forming left and right side surfaces are connected and fixed to form a framework structure. A clipper-type reaper 17 is provided along the left and right side plates 15 and 16 along the front end of the transport deck 14, and the cut culm is directed to the middle side in the machine width direction across the left and right side plates 15 and 16. A lateral auger 18 for collecting and transporting is provided.

  The feeder 6 is configured such that a pick-up conveyor 20 is provided inside a transport case 19 formed in a substantially rectangular cylindrical shape. The scraping conveyor 20 includes a driving rotator 21 rotating around a horizontal axis, a driven rotator 22, a pair of left and right transport chains 23 wound therearound, and a horizontal pair of right and left transport chains 23. And a plurality of transport bars 24 which are connected by a bridge. The crops which have been laterally fed and delivered by the lateral auger 18 are scraped and transported along the bottom surface of the transport case 19 and the front end of the threshing device 3. It is to be thrown into.

  A hydraulic cylinder C is provided between the front part of the body frame 25 of the traveling body 2 and the lower part of the feeder 6, and the mowing unit 7 swings around the horizontal axis P1 integrally with the feeder 6 by the expansion and contraction operation of the hydraulic cylinder C. It is configured to be able to move up and down freely.

The lateral feed auger 18 will be described.
The lateral feed auger 18 is provided with a spiral blade 26 for grain culm transfer on an outer peripheral portion, and moves out of the auger drum 27 with the rotation of the auger drum 27 with the cylindrical auger drum 27 rotating around the horizontal axis. And a scraping body 28 for rotating the harvested culm to the feeder 6 while rotating together. That is, as shown in FIGS. 2 and 3, a pair of left and right spiral blades 26 that perform a lateral feed function toward the front end of the feeder 6 with forward rotation are provided on the outer periphery of the large-diameter auger drum 27. Two bar-shaped scraping bodies 28 are provided at four locations in the circumferential direction, which are protruded and retracted from the auger drum 27 in a lateral width area facing the front end inlet 6a of the feeder 6. It should be noted 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 area.

  As shown in FIG. 3, cover plates 29 and 30 are fixed inside the auger drum 27 near the left and right ends thereof, and a pair of intermediate support plates 31 and 32 are provided inside the auger drum 27 at intervals. 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 keyed to the rotation support shaft 33 is bolted to the right cover plate 29, and the rotation support shaft 33 is connected to the auger drum. 27 are integrally connected.

  A fixed support shaft 35 is connected and fixed to the left side plate 15 so as to be located on the same axis as the rotation support shaft 33. The fixed support shaft 35 is connected to the left cover plate 29 of the auger drum 27 via a bearing 37. Is rotatably fitted to the outside.

  An eccentric support shaft 36 is provided in a state where rotation is fixed to the fixed support shaft 35 by key connection, and the scraping body 28 is fixed to the outer peripheral portion of the eccentric support shaft 36 via a mounting boss 38. It is mounted so as to be rotatable around an axis P2 along 35. Each of the plurality of scraping members 28 is configured to be slidably guided on the auger drum 27 so as to be able to move back and forth by a sliding guide member 39 provided on the auger drum 27. The eccentric support shafts 36 are provided as a pair of right and left eccentric shafts. The left and right eccentric support shafts 36 are connected by a relay shaft 40 rotatably supported by the right intermediate support plate 31.

  When the rotation support shaft 33 is driven to rotate and the auger drum 27 rotates counterclockwise around the axis P3 of the rotation support shaft 33 in FIG. 2, each of the scrapers 28 follows the eccentricity. The support shaft 36 rotates around the shaft center P4. At this time, the distance between the eccentric support shaft 36 and the slide guide 39 changes depending on the rotation phase, and each scraping body 28 becomes an auger drum. The crop is swung while moving back and forth from the feeder 27 to scrape the crop into the feeder 6 while avoiding interference with the transport deck 14 and the backboard 13.

  As shown in FIG. 4, three mounting holes 41a, 41b, which are largely opened for assembling and removing the scraping body 28 and the like, are provided at positions corresponding to the mounting position of the scraping body 28 on the auger drum 27. 41c is formed, and these assembling holes 41a, 41b, 41c are closed by detachable covers 42a, 42b, 42c. The covers 42 a, 42 b, and 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, 42c are not described in detail, but the outer shape of the head is cylindrical in order to reduce the possibility of crops being caught, A hexagonal hole is formed, and a fastening operation and a removal operation can be performed using a hexagon wrench (not shown).

Next, the sliding guide 39 will be described.
As shown in FIGS. 6, 7, and 8, the sliding guide 39 is integrally formed of a synthetic resin material, and has a narrow width along the axial direction of the auger drum 27 and a width along the circumferential direction. Are wide and formed in a long shape along the circumferential direction. The width is narrower from the middle part in the longitudinal direction to both end parts, and both end parts are formed in an arc shape. The sliding guide body 39 is formed so that the radially outward side surface is a smooth arc surface along the inner peripheral surface of the auger drum 27 over the entire surface. The side surface on the radially inner side of the slide guide body 39 is formed in three planes that are bent substantially along the circumferential direction of the auger drum 27.

  The slide guide body 39 is fixed and attached by the fixture unit 45 in a state where the radially outward portion is in contact with the inner peripheral surface of the auger drum 27. The slide guide 39 has an insertion hole 46 through which the scraping body 28 passes through the auger drum 27 in the radial direction. The sliding guide body 39 is fixed to the auger drum 27 by the 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 fixture unit 45 includes bolts 47 that are attached to the auger drum 27 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 located on both sides of the insertion hole 46 in the circumferential direction of the auger drum 27. , Which is located on the inner peripheral side of the auger drum 27 and includes a nut 48 as a fastener 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 integrally connected in this way correspond to the inner fixing portion 50 mounted so as to sandwich the sliding guide body 39 from the radially inner side.

  The sliding guide body 39 has an insertion hole 46 through which the scraping body 28 is inserted so as to penetrate the center part in the longitudinal direction along the radial direction. Bolt insertion holes 51 are formed at both sides in the circumferential direction of the insertion holes 46, that is, at positions located on both sides of the insertion holes 46 along the longitudinal direction of the slide guide 39, for the bolts 47 to be inserted. ing.

  A convex portion 53 is formed at a radially outward portion of a center portion of the sliding guide body 39 so as to project radially outward and fit into an opening 52 formed in the auger drum 27. An insertion hole 46 through which the scraping body 28 is inserted is formed in a state where the inside of the projection 53 is inserted along the radial direction.

  In the auger drum 27, an opening 52 is formed at a position corresponding to the mounting position of the scraper 28, into which the projection 53 of the slide guide 39 is fitted. When the slide guide 39 is attached to the auger drum 27, the slide guide 39 is mounted from the inner peripheral side of the auger drum 27 in a state where the projection 53 is fitted into the opening 52. Then, the inner fixing portion 50 is mounted 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, screwed to the nut 48, and tightened. The sliding guide 39 is fixed. The mounting work of the sliding guide body 39 can be performed from the radially outer side of the auger drum 27 through the mounting holes 41a, 41b, 41c with the covers 42a, 42b, 42c opened.

  As shown in FIG. 6, the convex portion 53 formed at a radially outer side portion of the center portion of the sliding guide body 39 does not protrude radially outward from the outer peripheral surface of the auger drum 27, and The protrusion is formed as a protrusion with a small amount of protrusion that is small enough to fit into the opening 52 formed in the drum 27. As a result, since the sliding guide body 39 does not protrude radially outward from the outer peripheral surface of the auger drum 27, there is little possibility that the scraps and the like will be caught, and the projection 53 fits into the opening 52 so that the auger drum 27 is fitted. 27 can be prevented from being displaced in the circumferential direction.

  As shown in FIG. 8, an inner fixing portion 50, that is, a fitting portion 54 into which a pair of nuts 48 (fasteners) and a connecting member 49 integrally connected are fitted on the inner peripheral surface of the sliding guide body 39. Are formed. The fitting portion 54 is formed so as to be recessed into the inner peripheral surface of the sliding guide body 39. The inner fixing portion 50 is mounted on the slide guide 39 in a state where the inner fixing portion 50 is positioned by being fitted into the fitting portion 54. As a result, the bolt 47 can be easily mounted from the radially outer side of the auger drum 27 in a state where the inner fixing portion 50 is fitted into the fitting portion 54. The inner fixing portion 50 is mounted in a state of being fitted into the fitting portion 54 and in contact with the inner peripheral surface of the sliding guide body 39 without a gap.

  As shown in FIGS. 6 and 7, protrusions 55 protruding toward the scraping body 28 are formed in portions of the sliding guide body 39 located on both sides of the insertion hole 46 in the circumferential direction of the auger drum 27. Have been. The protruding portion 55 is provided at a portion of the sliding guide body 39 which comes into contact with the inner peripheral surface of the auger drum 27. In addition, as shown in FIG. 8, the insertion hole 46 has a shape of an elongated hole that is long in the circumferential direction at a position on the inner peripheral surface side of the slide guide body 39. As shown in FIGS. 6 and 7, a projecting portion 55 is formed such that the inner surface of the insertion hole 46 projects toward the scraping body 28, that is, the side closer to each other as the radially outward side. The projecting portion 55 is shaped so that the portion that contacts the inner peripheral surface of the auger drum 27 projects most. As a result, the insertion hole 46 has a substantially circular shape on the outer peripheral surface side of the sliding guide body 39 (see FIG. 4).

  The inner surfaces of the protruding portions 55 are formed so as to be inclined so as to approach each other toward the radially outward side. With such a configuration, the relative position change of the scraping body 28 accompanying the rotation of the auger drum 27 is allowed, and at the place where the auger drum 27 is inserted, the inner surfaces of the scraping body 28 and the insertion holes 46 are formed. Is reduced as much as possible, and dust can be prevented from entering the auger drum 27 through the insertion hole 46.

  In such a configuration, for example, when grain stuffing is clogged and an excessive force is applied to the scraped body, the sliding guide body is formed at a position where the projecting portion 55 in the insertion hole 46 projects most. A pressing force acts on 39. However, since the protruding portion 55 is the most protruding portion in contact with the inner peripheral surface of the auger drum 27, the above-described pressing force is received by the auger drum 27, the force is dispersed, and the sliding guide is provided. The body 39 can be prevented from being damaged.

  The connecting member 49 of 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 scraped body 28 to pass therethrough. Of the peripheral edge of the opening 57, portions located on both sides in the circumferential direction are bent inward in the radial direction into a substantially L-shape to form the extension guide portion 56.

  When the scraping body 28 retreats radially inward of the auger drum 27 due to an assembly error or the like of the entire lateral feed auger 18, the scraping body 28 may come off from the insertion hole 46 of the sliding guide body 39. Even so, it is possible to prevent the scraped body 28 from coming off the inner side of the auger drum 27 by being received by the extension guide portion 56 formed on the inner fixed portion 50.

  The bolt 47 in the fixture unit 45 is mounted so that the bolt head 47a is positioned on the outer peripheral side of the auger drum 27 so as to penetrate the auger drum 27 in the radial direction. Further, between the bolt head 46a and the outer peripheral surface of the auger drum 27, the shaft portion of the bolt 47, the flat washer 58 contacting the outer peripheral surface of the auger drum 27, and the flat washer 58 and the bolt head 47a A spring washer 59 located therebetween is mounted.

  The flat washer 58 in contact with the outer peripheral surface of the auger drum 27 is a wooden washer and a flat washer having a large ratio of the outer diameter to the inner diameter. The wooden washer is a flat washer having a large area so as not to be embedded in the wood by tightening the bolt 47. By using such a washer, the contact area between the outer peripheral surface of the auger drum 27 and the outer peripheral surface of the auger drum 27 is increased, and even when a pressing force is applied to the bolt, for example, the corner of the washer comes into contact with the Damage to the outer surface of the auger drum 27 due to an excessive load can be avoided.

[Another embodiment]
(1) In the above embodiment, the fixture unit 45 is exemplified by the nut 48 located 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 27. Instead of such a configuration, the fixture unit 45 may be configured by a bolt located on the inner peripheral surface of the auger drum 27 and a nut mounted from the outer peripheral surface side of the auger drum 27. The fixing device unit 45 is not limited to a fixing unit composed of bolts and nuts, but may be of various types such as a fixing unit using an adhesive or a fixing unit using an elastic body. .

(2) In the above embodiment, the slide guide 39 has the configuration in which the protrusion 53 protruding outward in the radial direction is formed, and the insertion hole 46 is formed inside the protrusion 53. However, instead of such a configuration, for example, an insertion hole through which the scraping body 28 is inserted in a state where the position is different in a direction along the peripheral surface of the auger drum 27 with respect to the location where the projection 53 is formed. May be formed. The projection 53 may not be formed on the slide guide 39, and the positioning with the auger drum 27 may be performed only by the connection by the fixture unit 45.

(3) In the above embodiment, the inner fixing portion 50 of the fixture unit 45 is configured to include the pair of nuts 48 and the connecting member 49 that connects the pair of nuts 48 to each other. A configuration in which a pair of nuts are separately mounted may be adopted.

(4) In the above embodiment, the fitting portion 54 into which the pair of nuts 48 and the connecting member 49 fits is formed on the inner peripheral surface of the sliding guide body 39, but such a fitting portion 54 is provided. May not be formed.

(5) In the above-described embodiment, an example in which the harvester is applied to a normal combine is shown, but another type of harvester such as a corn harvester may be used.

  INDUSTRIAL APPLICABILITY The present invention can be applied to a harvester such as an ordinary combine harvester or a corn harvester, in which cut crops are gathered in a lateral width direction of a machine body by a lateral feed auger and transported rearward by a feeder.

6 Feeder 18 Lateral feed auger 26 Spiral blade 27 Auger drum 28 Scraping body 39 Sliding guide body 45 Fixture unit 46 Insertion hole 47 Bolt 47a Bolt head 48 Nut (fastener)
Reference Signs List 50 inner fixed portion 52 opening 53 convex portion 55 projecting portion 56 extension guide portion 58 flat washer 59 spring washer

Claims (9)

A lateral feed auger that transports the harvested grain culm in the lateral width direction of the machine, and a feeder that transports the harvested grain culm that has been transported by the transverse auger and then sent rearward to the aircraft rear side, is provided.
The transverse auger is
Spiral blades for grain culm transfer are provided on the outer periphery, and a cylindrical auger drum that rotates around the horizontal axis,
A scraping body that integrally rotates and sends the harvested grain culm to the feeder while retracting from the auger drum with the rotation of the auger drum,
An insertion hole through which the scraped body is inserted is formed, and a sliding guide body attached to the inner peripheral surface side of the auger drum for slidingly guiding the scraped body out of the auger drum, With
In the sliding guide body, at a portion located on both sides of the insertion hole in a circumferential direction of the auger drum, a protruding portion projecting toward the scraping body side from an opening formed in the auger drum is formed. At the same time, it protrudes radially outward from the outer peripheral portion of the protruding portion, and fits into an opening formed in the auger drum without projecting radially outward from the outer peripheral surface of the auger drum. Harvester with convex parts.   2. The slide guide body according to claim 1, wherein the slide guide body is fixed and attached by a fixture unit in a state where a radially outer portion of the slide guide body is in contact with an inner peripheral surface of the auger drum. 3. Harvester.   The harvester according to claim 2, wherein the projecting portion is provided at a position of the sliding guide body that comes into contact with an inner peripheral surface of the auger drum. A lateral feed auger that transports the harvested grain culm in the lateral width direction of the machine, and a feeder that transports the harvested grain culm that has been transported by the transverse auger and then sent rearward to the aircraft rear side, is provided.
The transverse auger is
Spiral blades for grain culm transfer are provided on the outer periphery, and a cylindrical auger drum that rotates around the horizontal axis,
A scraping body that integrally rotates and sends the harvested grain culm to the feeder while retracting from the auger drum with the rotation of the auger drum,
An insertion hole through which the scraped body is inserted is formed, and in a state where a radially outer portion is in contact with the inner peripheral surface of the auger drum, a fixing unit is provided on the inner peripheral surface side of the auger drum. Fixedly mounted, a sliding guide body for slidingly guiding the scraped body out of the auger drum,
The fixing device unit includes an inner fixing portion that is attached to the auger drum from a radially inner side, and that sandwiches the sliding guide body with an inner peripheral surface of the auger drum.
A harvester, wherein the inner fixed portion is provided with an extension guide portion that extends an inner peripheral surface of the insertion hole radially inward. A lateral feed auger that transports the harvested grain culm in the lateral width direction of the machine, and a feeder that transports the harvested grain culm that has been transported by the transverse auger and then sent rearward to the aircraft rear side, is provided.
The transverse auger is
Spiral blades for grain culm transfer are provided on the outer periphery, and a cylindrical auger drum that rotates around the horizontal axis,
A scraping body that integrally rotates and sends the harvested grain culm to the feeder while retracting from the auger drum with the rotation of the auger drum,
An insertion hole through which the scraped body is inserted is formed, and in a state where a radially outer side portion is in contact with an inner peripheral surface of the auger drum, an inner peripheral surface side of the auger drum is provided. At each of the locations located on both sides of the insertion hole in the circumferential direction, a sliding guide body fixed and attached by a fixture unit and slidingly guiding the scraped body out of the auger drum, With
The fixing unit includes a pair of fasteners located on both sides of the insertion hole in a circumferential direction of the auger drum, and a connecting member that connects the pair of fasteners.
A harvester in which a fitting portion into which the pair of fasteners and the connecting member fits is formed on an inner peripheral surface of the sliding guide body. In the sliding guide body, at a portion located on both sides of the insertion hole in the circumferential direction of the auger drum, a protruding portion projecting toward the scraping body side is formed,
The harvester according to claim 4, wherein the protrusion is provided at a position of the sliding guide body that comes into contact with an inner peripheral surface of the auger drum.   The projection according to any one of claims 4 to 6, wherein the sliding guide body has a projection projecting radially outward and fitted into an opening formed in the auger drum. Harvester. While inserting along the interior of the convex portion in the slide guide body in the radial direction, according to claim 1, the insertion hole in which the scraping member is inserted is formed, 2, 3, 7 any one of A harvester according to claim 1. A bolt is inserted into the auger drum in a radial direction with the bolt head positioned on the outer peripheral side of the auger drum, and the bolt is fastened on the inner peripheral side of the auger drum. And a nut,
Between the bolt head and the outer peripheral surface of the auger drum, a flat washer abutting on the outer peripheral surface of the auger drum is located on the shaft portion of the bolt, and between the flat washer and the bolt head. The harvester according to any one of claims 2 , 4 , and 5 , further comprising a spring washer attached to the harvester.

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