JP2016189734A - Harvesting machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve workability when auxiliary work is performed for a machine, the lateral sides of which are covered by side covers.SOLUTION: The harvesting machine including side covers 6 that cover lateral sides of a machine A mounted on a traveling car body 10, includes a support mechanism 8 that vertically movably supports the side covers 6 across a lowered position for covering over the lateral sides in a vertical attitude for covering the lateral sides, and a raised position for exposing the lateral sides.SELECTED DRAWING: Figure 12

Description

  The present invention relates to a harvesting machine including a side cover that covers a lateral side portion of equipment mounted on a traveling vehicle body.

  In the harvesting machine as described above, the side cover is switched between the cover state and the cover release state with respect to the fuel tank which is an example of the device by swinging the side cover up and down around the swing axis centering forward and backward. Instead, in the cover release state, there is a configuration in which the side cover is configured to swing up and down so that the side cover is in a horizontal posture or a substantially horizontal posture (see, for example, Patent Document 1).

JP 2014-198008 (paragraph numbers 0077 to 0078, FIGS. 1, 2, 4 to 7)

  In the above configuration, when performing auxiliary work such as fuel replenishment and maintenance for the fuel tank, the side cover is extended to the horizontal position where the amount of protrusion of the side cover to the laterally outer side of the vehicle body is the maximum or almost the maximum or the horizontal position. It is necessary to perform an upward swing operation. For this reason, if there is no wide space on the lateral side of the side cover on the side of the vehicle body that allows the side cover to move up and down to a horizontal posture or a substantially horizontal posture, the harvester is moved to the location where the wide space exists. It will take time and effort.

  In other words, in the harvesting machine as described above, it is desired to improve the workability in the case where the auxiliary work is performed on the device whose side part is covered with the side cover.

In the problem solving means of the present invention,
In the harvesting machine with a side cover that covers the side of the equipment mounted on the traveling vehicle body,
A support mechanism is provided that supports the side cover in a vertically oriented posture that covers the lateral side portion so as to be vertically movable over a lowered position that covers the lateral side portion and an elevated position that exposes the lateral side portion. .

  According to this means, it is possible to reduce the protruding amount of the side cover laterally outward when the side cover is moved up and down, as compared with the above-described vertically swinging side cover.

  Thereby, for example, even when there is no wide space that allows the side cover to move horizontally to the horizontal posture on the lateral side of the vehicle body of the side cover, without the need to move the harvester, etc. It is possible to expose the lateral side portion of the device that is covered by the side cover, and it is possible to perform auxiliary work on the device.

  As a result, it is possible to improve workability in the case where auxiliary work is performed on a device whose side parts are covered with the side cover.

As one of the means for making the present invention more suitable,
Harvesting corn planted in the field while self-propelled,
As the equipment, comprising a working device for processing the harvested corn tufts,
Behind the working device, deploying a reservoir for storing the corn tufts after treatment by the working device,
The side cover covers and hides the lateral side portion located on the discharge side of the storage portion.

  When discharging the corn tufts stored in the storage section in a harvester that harvests corn, lay the transport vehicle with a certain distance from the traveling body on the discharge side of the storage section. It is common to discharge corn tufts to the carrier platform.

  That is, at the time of the discharging operation for discharging the corn tuft from the storage unit, there is a transport vehicle to be discharged on the discharge side of the traveling vehicle body. For this reason, for example, if the above-described vertical swing side cover is used as the side cover on the discharge side, a large space necessary for the upward swing operation of the side cover is provided on the lateral side of the side cover at the time of discharge. In some cases, the side cover cannot be switched to the cover release state.

  On the other hand, in this means, since the discharge side cover moves up and down in a vertical orientation that covers the lateral side of the working device, there is a carrier vehicle to be discharged on the discharge side of the storage unit. Even in this case, it is possible to expose the lateral side portion of the working device that is covered by the discharge-side side cover, and the auxiliary work from the discharge side to the working device becomes possible.

  That is, the auxiliary work from the discharge side to the work device can be performed while performing the discharge work.

As one of the means for making the present invention more suitable,
A peeling device that peels off the foliage from the harvested corn tufts;
A sorting device for sorting the peeled foliage and the seed grains taken from the corn tufts at the bottom of the peeling device;
A collecting device as the working device for collecting the selected seed grains below the sorting device;
The said recovery apparatus is equipped with the discharge part on the same side as the discharge side of the said storage part.

  According to this means, it becomes possible to move the discharge side cover from the lowered position to the raised position during the discharge operation of discharging the corn tuft from the storage section, and it is covered by the discharge side cover. It becomes possible to expose the discharge part of the collecting device. Thereby, it becomes possible to perform the auxiliary operation | work which discharges | emits the seed grain collect | recovered by the collection | recovery apparatus from a collection | recovery apparatus in the discharge | emission side of a storage part.

  That is, it is possible to perform an auxiliary operation of discharging seed grains from the collection device on the discharge side of the storage unit while performing a discharge operation of discharging the corn tuft from the storage unit.

As one of the means for making the present invention more suitable,
Another side cover obscuring the lateral side located on the opposite side of the lateral side that the side cover obscures;
A support portion that supports the other side cover so as to be swingable about a longitudinal axis over a closed position that covers the opposite lateral side portion and an open position that exposes the opposite lateral side portion. ing.

  According to this means, it is possible to reduce the labor required for opening and closing another side cover, and it is possible to expose the lateral side portion of the device covered with the other side cover by a light operation.

As one of the means for making the present invention more suitable,
On the opposite lateral side, a transmission device is provided for transmitting to a plurality of drive units provided in the device,
The other side cover covers and conceals the transmission device in the closed position, and exposes the transmission device in the open position.

  According to this means, the transmission device can be exposed by swinging and displacing another side cover in which the labor required for the opening / closing operation is reduced from the closed position to the open position.

It is a left view of a corn harvester. It is a right view of a corn harvester. It is a top view of a corn harvester. It is a rear view of a corn harvester. It is a transmission system diagram of a corn harvester. It is a vertical left view of the principal part which shows the structure of the support mechanism etc. which support a 2nd side cover. It is the vertical left side view of the principal part which shows the structure of a peeling apparatus, etc. It is a cross-sectional top view of the principal part which shows the structure of a peeling apparatus and a 7th transmission. It is a vertical back view of the principal part which shows the collection | recovery apparatus of the state in which a collection box is located in a collection position. It is a vertical back view of the principal part which shows the collection | recovery apparatus of the state in which a collection box is located in a discharge position. It is a perspective view of a collection box. It is a rear view, such as a corn harvester, which shows the state where the 2nd side cover was opened and the recovery box was located in the discharge position in the state where the storage part is located in the discharge position. It is a vertical back view of the principal part which shows the open / closed state of the 2nd side cover based on support of a support mechanism. It is an enlarged vertical left side view of the main part showing the structure of the support mechanism that supports the second side cover. It is a right view of the principal part which shows the open / close state of the 3rd side cover based on support of a support part. It is a vertical rear view of the principal part which shows the open / close state of the 3rd side cover based on support of a support part.

  Hereinafter, an embodiment in which the present invention is applied to a corn harvester, which is an example of a harvester, will be described with reference to the drawings as an example of an embodiment for carrying out the present invention.

In addition, the direction of the code | symbol F of the arrow described in FIG.1 and FIG.2 is a front side of a corn harvester, and the direction of the code | symbol U is an upper side of a corn harvester.
Also, the direction of the arrow F shown in FIG. 3 is the front side of the corn harvester, and the direction of the sign R is the right side of the corn harvester.

  As shown in FIGS. 1 to 4, the corn harvester exemplified in this embodiment has a harvesting device 20 connected to the front portion of the traveling vehicle body 10. In addition, the traveling vehicle body 10 is equipped with a plurality of devices A including a harvesting apparatus A1. With these, the corn harvester harvests the corn tufts at the shoot apex from the corn planted in the field while self-propelled. In the present embodiment, a corn harvester that targets three corns is exemplified. However, a corn harvester that targets two or less corns, or four or more corns. May be targeted for harvesting.

  Specifically, the corn harvester has a harvesting device 20 for harvesting corn tufts during harvesting traveling connected to the front portion of the riding-type traveling vehicle body 10. Further, a peeling device 30 (device A and working device) that performs a peeling process on the traveling vehicle body 10 on the engine 1 (an example of the device A), the fuel tank 2 (an example of the device A), and the harvested corn tuft. An example of A1), a sorting device 40 that performs sorting processing below the peeling device 30 (an example of the device A and the working device A1), and a collection device 50 that performs collection processing below the sorting device 40 (the device A and work) An example of the device A1) is mounted.

  In addition, the corn harvester has a storage unit 60 that stores the corn tufts after the peeling process behind the peeling apparatus 30. And the residue processing apparatus 70 which shreds with respect to the corn stalk (residue) etc. which remain in a farm field after the harvest of a corn tuft is arranged in the lower abdomen of the traveling vehicle body 10.

  The traveling vehicle body 10 includes a vehicle body frame 11, a driving unit 13 covered with a cabin 12, a transmission 15 that changes power from the engine 1, left and right front wheels 16 that can be driven, and left and right rear wheels 17 that can be steered. Etc. The driving unit 13 is disposed above the left and right front wheels 16 provided at the front end of the traveling vehicle body 10, and the transmission 15 is disposed between the left and right front wheels 16. Further, the engine 1 is mounted at a rear lower portion of the driving unit 13 in the traveling vehicle body 10.

  The vehicle body frame 11 includes a first frame portion 11A on the vehicle body front side that supports the harvesting device 20 and the like, a second frame portion 11B on the front and rear intermediate side that supports the peeling device 30 and the like, and a vehicle body rear side that supports the storage portion 60 and the like. Side third frame portion 11C, and the like. 11 A of 1st frame parts are equipped with the deck 11D for boarding / alighting with respect to the driving | operation part 13, and step 11E in the edge part of the left side. The second frame portion 11B includes an auxiliary deck 11F that can be transferred from the deck 11D on the upper left side. The deck 11D is located above the left front wheel 16. The auxiliary deck 11F is positioned above the left rear wheel 17 and the like.

  As shown in FIGS. 1 to 3 and FIG. 5, the harvesting device 20 is connected to the first frame portion 11 </ b> A via a first support shaft 21 facing left and right so as to be movable up and down. The harvesting device 20 swings up and down around the axis of the first support shaft 21 by the expansion and contraction operation of the first hydraulic cylinder 22 installed on the traveling vehicle body 10 and the harvesting device 20. Thus, the height of the harvesting device 20 can be adjusted by the first hydraulic cylinder 22.

  The harvesting device 20 includes three sets of harvesting and transporting mechanisms 23 arranged in the left-right direction, an auger 24 positioned at the rear of each harvesting and transporting mechanism 23 in a horizontal orientation across the respective harvesting and transporting mechanisms 23, and the like.

  Each harvesting transport mechanism 23 includes a pair of left and right endless transport chains 23A and a pair of left and right harvesting rolls 23B arranged below each endless transport chain 23A in a tilting posture that rises backward. The pair of left and right endless transport chains 23A engages and transports the corn stalks planted in the field between the pair of left and right harvesting rolls 23B to the rear of the vehicle body. The pair of left and right harvesting rolls 23 </ b> B rotate around their axial centers in a direction in which their opposing locations move downward with respect to each other. And by this rotation, the pair of left and right harvesting rolls 23B pulls down the corn stalk guided between them, and separates the corn tuft from the corn stalk. Thus, the harvesting device 20 is configured to have a three-row harvesting specification capable of harvesting three corn tufts.

  As shown in FIGS. 1 to 4, 6, and 7, the auger 24 gathers the corn tufts from the harvesting and transporting mechanisms 23 toward the left and right center sides of the traveling vehicle body 10 and sends them to the feeder 3 at the rear. The feeder 3 conveys the corn tuft from the auger 24 rearward and upward. Then, the feeder 3 discharges the corn tuft from the discharge port 3A provided at the conveyance terminal portion of the feeder 3 located on the upper rear side of the operation unit 13. In addition, a discharge duct 3 </ b> B that forms a discharge path for foreign substances is connected to the conveyance terminal portion of the feeder 3. The discharge duct 3B is bent so that the discharge port 3Ba provided at the end of the discharge path is located at the right end portion of the rear portion of the vehicle body.

  As shown in FIGS. 1-8, the peeling apparatus 30 is attached to the upper part of the 2nd frame part 11B. And by this attachment, the peeling apparatus 30 is deployed in a state where it is possible to receive the corn tuft from the feeder 3 at the rear lower portion of the feeder terminal portion of the feeder 3.

  The peeling apparatus 30 peels off the foliage (skin) from the casing 31 connected to the upper part of the second frame part 11B, the chute 32 that guides the corn tuft from the feeder 3 to the peeled start end, and the corn tuft. Eight sets of peeling mechanisms 33 and a transport mechanism 34 for scraping and transporting the corn tufts to the rear of the vehicle body are provided.

  The casing 31 includes left and right side wall members 31 </ b> A and 31 </ b> B that support the transport mechanism 34, and front and rear support members 31 </ b> C and 31 </ b> D that support the peeling mechanism 33. The casing 31 is formed in a frame shape by connecting the left and right side wall members 31A and 31B with the front and rear support members 31C and 31D.

  The chute 32 is provided at the front end portion of the casing 31 in a tilting posture that is rearwardly lowered. The chute 32 includes a plurality of slits 32 </ b> A that allow passage of the sorting and conveying air from the blower 4 provided below the chute 32, and a plurality of guide portions 32 </ b> B that distribute and guide the corn tufts to the respective peeling mechanisms 33. And.

  The sorting and conveying air passes through the slits 32A of the chute 32, then goes to the discharge port 3A of the feeder 3 and flows out from the discharge port 3A of the feeder 3 through the inside of the discharge duct 3B and from the discharge port 3Ba of the discharge duct 3B. . As a result, contaminants such as a part of the corn stalk and a part of the leaf that have been conveyed to the discharge port 3A of the feeder 3 together with the corn tuft by the feeder 3 are subjected to wind sorting and the inside of the discharge duct 3B. Can be discharged from the discharge port 3Ba of the discharge duct 3B to the right outside of the vehicle body through the inside of the discharge duct 3B.

  As shown in FIGS. 6 and 7, the discharge duct 3 </ b> B includes two guide members 3 </ b> Bb that receive the corn tufts from the feeder 3 and guide them to the guide start end of the chute 32 at the lower part of the front end. Thereby, the corn tuft from the feeder 3 can be reliably supplied to the guide start end of the chute 32. As a result, distributed guidance of the corn tufts to each peeling mechanism 33 by each guide portion 32B of the chute 32 can be suitably performed.

  As shown in FIGS. 5 to 8, each peeling mechanism 33 includes a first roll 33 </ b> A and a second roll 33 </ b> B that are arranged close to the left and right in a downwardly inclined posture. The first roll 33A and the second roll 33B rotate around their axial centers in a direction in which their facing portions move downward with respect to each other. Then, by this rotation, the first roll 33A and the second roll 33B sandwich the corn tufted body leaf guided by the chute 32 and pull it down to peel off the stripped leaf leaves. Drain downward. The 2nd roll 33B is formed in the spiral shape which sends a corn tuft to the vehicle body back with the rotation. By these, each peeling mechanism 33 performs the peeling process conveyed to a vehicle body back, peeling off a foliage with respect to a corn tuft.

  The transport mechanism 34 is a first rotating body 34A (an example of a drive unit Aa) that scrapes and transports a corn tuft located at the guide end of the chute 32 to the peeled start end, and the corn tuft being peeled. For example, 5 second (or less than 4 or 6 or more) second rotating bodies 34B (an example of a drive unit Aa) and a corn tufted body at the end of peeling are disposed rearward. A third rotating body 34C (an example of a drive unit Aa) that scrapes and conveys the storage unit 60 is provided. By these, the conveyance mechanism 34 performs the conveyance process which conveys the corn tuft from the guidance termination | terminus part of the chute | shoot 32 to the storage part 60. FIG.

  In the following description, the five second rotating bodies 34B are arranged in order from the upper side in the transport direction of the transport mechanism 34, the first second rotating body 34B, the second second rotating body 34B, and the third second rotation. The body 34B, the fourth second rotating body 34B, and the fifth second rotating body 34B are referred to.

  With the above configuration, the peeling apparatus 30 can perform an appropriate peeling process on the corn tufts guided by the chute 32. Thereby, the corn tuft after the peeling process can be stored in the storage unit 60. Moreover, the foliage peeled from the corn tuft can be discharged downward.

  As shown in FIGS. 1, 2, and 4 to 6, the sorting device 40 is attached to the upper and lower intermediate portions of the second frame portion 11 </ b> B. With this attachment, the sorting device 40 is disposed below the peeling device 30.

  The sorting device 40 includes a swing sorting body 41 that is supported by the second frame portion 11B so as to swing back and forth in a forward and downward inclined posture, and an eccentric cam type that drives the swing sorting body 41 to swing back and forth. Drive mechanism 42 (an example of the drive unit Aa), and the like. The swinging sorter 41 receives the leaf leaves discharged downward from the peeler 30 and the seed grains removed from the corn tufts when peeled off by the peeler 30 as the sorting process. The swing sorting body 41 is driven to swing by the drive mechanism 42, so that the sorting processed product is transferred to the front of the vehicle body to be screened into the collection target seed grains and foreign matters such as foliage. The separated seed grains are allowed to leak and impurities are discharged from the front end of the rocking sorter 41 to the front of the residue processing device 70. In this way, the sorting device 40 performs a sorting process for sorting seed grains from the sorting process product from the peeling apparatus 30 and causing the seed grains to leak.

  As shown in FIGS. 1, 2, 4, 6, and 9 to 12, the collection device 50 is attached to the lower portion of the second frame portion 11 </ b> B. And by this attachment, the collection | recovery apparatus 50 is arrange | positioned under the selection apparatus 40. FIG.

  The collection device 50 includes a collection box 51 that collects seed grains leaked from the sorting device 40, a support mechanism 52 that supports the collection box 51 so as to be movable in the left-right direction, and the like. Thereby, the collection | recovery apparatus 50 accept | permits the movement to the left-right direction over the collection | recovery position of the collection | recovery box 51, and a discharge position. The collection position is set at a lower position of the sorting device 40 suitable for collecting seed grains leaked from the sorting device 40 in the collection box 51. The discharge position is set to a position on the left side of the vehicle body relative to the collection position so that the seed grains collected in the collection box 51 can be easily taken out from the left outer side of the vehicle body.

  The collection box 51 includes a storage unit 51A located below the sorting device 40 at the collection position, a discharge unit 51B connected to the left end of the storage unit 51A, and a detachable type that opens and closes a communication point between the storage unit 51A and the discharge unit 51B. A shutter 51C, a handle 51D extending to the left lateral outward of the discharge portion 51B, and a pair of front and rear support rods 51E for supporting the seed bag 100 for storing seed grains are provided. The discharge part 51B has an open bottom so as to discharge the seed grains downward. When the shutter 51C is removed from the collection box 51, the shutter 51C can be used as a scraping tool that scrapes seed grains from the storage unit 51A into the discharge unit 51B.

  The support mechanism 52 has a front and rear guide wheel 52A disposed at the lower left portion of the second frame portion 11B, a front and rear wheel 52B disposed at the lower right end portion of the collection box 51, and a right and left direction at the lower right portion of the second frame portion 11B. The front and rear guide rails 52 </ b> C are provided. The front and rear guide wheels 52A support the left bottom surface of the collection box 51 so as to be movable in the left-right direction from below. The front and rear guide rails 52C support the right end of the collection box 51 via the front and rear wheels 52B so as to be movable in the left-right direction. Further, the front and rear guide rails 52C are bent such that the right half guide surface is horizontal, the left guide surface is inclined upward to the left, and the left end guide surface is inclined downward to the left. And the support height of the recovery box 51 by the front and rear guide wheels 52A and the front and rear guide rails 52C is set at the recovery position side including the recovery position, and the attitude of the recovery box 51 becomes a horizontal attitude suitable for seed grain recovery, On the discharge position side, the closer to the discharge position, the more the inclination of the collection box 51 becomes a lower left inclined position with a large inclination angle. At the discharge position, the posture of the recovery box 51 becomes a lower left inclination suitable for seed grain discharge. The posture is set.

  The collection box 51 includes a first protrusion 51F that protrudes downward from the left end of the bottom surface, and a second protrusion 51G that protrudes downward from the left and right intermediate portions of the bottom surface. The first protrusion 51F suppresses the movement of the collection box 51 from the collection position to the discharge position (the left side of the vehicle body) by contact with the front and rear guide wheels 52A. At the collection position, the front and rear wheels 52B come into contact with stoppers 52D provided at the right ends of the front and rear guide rails 52C. Thereby, the collection box 51 can be held at the collection position. The second protrusion 51G suppresses the movement of the collection box 51 from the discharge position to the left side of the vehicle body by contact with the front and rear guide wheels 52A. At the discharge position, the collection box 51 is inclined to the left and the front and rear wheels 52B are positioned on the left end guide surface that is inclined to the left in the front and rear guide rails 52C. Thereby, the collection box 51 can be held at the discharge position.

  The collection device 50 includes a lock mechanism 53 that automatically fixes the collection box 51 to the collection position as the collection box 51 reaches the collection position. The lock mechanism 53 can release the fixation of the collection box 51 at the collection position by the pulling-up operation of the lock pin 53B against the action of the compression spring 53A. This ensures that the recovery box 51 is securely held at the recovery position even when, for example, a large vibration occurs that may cause the first protrusion 51F of the recovery box 51 to get over the front and rear guide wheels 52A during traveling. can do.

  As shown in FIG. 1, FIG. 2, FIG. 4 and FIG. 12, the fuel tank 2 is mounted at a location below the recovery device 50 in the traveling vehicle body 10. A fuel filler 2 </ b> A of the fuel tank 2 is located at the left end of the traveling vehicle body 10. Thereby, the fuel supply to the fuel tank 2 can be performed from the left outer side of the traveling vehicle body 10.

  1-4 and FIG. 12, the storage part 60 is attached to the 2nd spindle 11Ca of the front-back direction with which the 3rd frame part 11C was equipped. And by this attachment, the storage part 60 is arrange | positioned at the back of the peeling apparatus 30, the selection apparatus 40, and the collection | recovery apparatus 50 so that raising / lowering rocking | swiveling around the axis of 2nd spindle 11Ca is carried out.

  The storage part 60 has an axial center of the second support shaft 11Ca over the lower storage position and the upper discharge position by the expansion and contraction operation of the second hydraulic cylinder 61 before and after the third frame part 11C and the storage part 60. Swing up and down around. And the attitude | position of the storage part 60 in the storage position is set to the storage attitude | position which the opening 60A of the storage part 60 is located in the upper end of the storage part 60. FIG. Further, the posture of the storage unit 60 at the discharge position is set to a discharge posture in which the opening 60 </ b> A of the storage unit 60 is located at the left end of the storage unit 60. Accordingly, the storage unit 60 stores the corn tufts after the peeling process from the peeler 30 at the storage position, and discharges the stored corn tufts to the left outside of the vehicle body at the discharge position. To do.

  In the storage position, the storage unit 60 sets the posture at the storage position of the plate body 62 serving as the left side plate of the storage unit 60 to a left-inclined posture inclined to the left side. Thus, without increasing the swinging range of the storage unit 60, the posture at the discharge position of the plate body 62 serving as the bottom plate of the storage unit 60 at the discharge position is set to the left side of the vehicle body of the corn tuft body stored in the storage unit 60. It is possible to adopt a left-sloped posture suitable for outward discharge.

  The third frame portion 11C extends to the upper left so that its upper end portion is located on the left outer side of the vehicle body with respect to the left end position of the auxiliary deck 11F. Thus, the upper end portion of the third frame portion 11 </ b> C is the left end portion of the traveling vehicle body 10. And the 3rd frame part 11C is provided with the 2nd spindle 11Ca in the upper end part.

  In the storage position, the storage unit 60 has an upper side of a plate body 62 that is a left side plate in a left-tilt posture attached to the second support shaft 11Ca. Thus, at the storage position of the storage unit 60, one end 62 </ b> A of the plate body 62 that is the upper left end of the storage unit 60 is positioned at the first set position on the left outer side of the vehicle body 10 with respect to the left end of the traveling vehicle body 10. And in the discharge position of the storage part 60, 62 A of one end parts of the board 62 used as the discharge side lower end part of the storage part 60 are located in the 2nd setting position of the vehicle body left outer side rather than a 1st setting position. Thereby, for example, when discharging the corn tufts stored in the storage unit 60 to the loading platform Ba of the transport vehicle B, the side end portion of the loading platform Ba when the storage unit 60 is lifted and swung to the discharge position. However, the transport vehicle B is spaced a certain distance from the corn harvester on the discharge side of the storage unit 60 so that a state is obtained that is located directly below the one end 62A of the plate 62 positioned at the discharge position. , The corn tufts can be satisfactorily discharged from the storage section 60 to the loading platform Ba of the transport vehicle B.

  As shown in FIGS. 1, 2, and 5, the residue processing device 70 is attached to the lower portion of the vehicle body frame 11 via the left and right third support shafts 71. With this attachment, the residue processing device 70 can be moved up and down around the axis of the third support shaft 71 so as to be moved between the left and right front wheels 16 and the left and right rear wheels 17 in the traveling vehicle body 10. Deployed in the abdomen. The residue processing device 70 swings up and down around the axis of the third support shaft 71 by the operation of the third hydraulic cylinder 72 provided in the traveling vehicle body 10.

  The residue processing device 70 includes a hammer knife type cutting rotator 73, a cover 74 that covers the cutting rotator 73 from above, and a grounding roller 75 that contacts the ground during harvesting. The cutting rotator 73 rotates around the axis of the rotation shaft portion 73A provided in the left-right direction at the rotation center positions at both left and right ends thereof. And by this rotation, the cutting | disconnection rotary body 73 shreds the residue of a farm field, the foreign material from the sorting apparatus 40, etc. inside the cover 74. FIG. In this way, the residue processing device 70 performs shredding processing on the residue in the field and the impurities from the sorting device 40.

  As shown in FIGS. 1 to 3, 5, 7, 8, and 15, this corn harvester transmits a power from the engine 1 to left and right front wheels 16 that are an example of a traveling device. 80 and a work transmission system 90 that transmits to the harvesting device 20 and the peeling device 30.

  The traveling transmission system 80 transmits the power from the engine 1 to the transmission 15 via a belt-type first transmission device 81, a first relay shaft 82 facing left and right, and a belt-type second transmission device 83. doing. The power after the shift by the transmission 15 is transmitted to the left and right front wheels 16.

  The work transmission system 90 transmits power from the engine 1 to the second relay shaft 92 facing left and right via a belt tension type clutch 91. The work transmission system 90 includes a first transmission unit 90A that transmits power from the second relay shaft 92 to the input shaft 25 of the harvesting apparatus 20, and a belt-type third power that transmits power from the second relay shaft 92 to the drive shaft 4A of the blower 4. The power extracted from the drive shaft 4 </ b> A of the second transmission unit 90 </ b> B and the blower 4 that is transmitted from the transmission device 93 and the second relay shaft 92 to the left rotation shaft portion 73 </ b> A that is the input shaft of the residue processing device 70 is driven by the feeder 3. The fourth transmission 94 of the chain type that transmits to the shaft 3C, and the third transmission that transmits the power extracted from the drive shaft 4A of the blower 4 to the input shaft 35 of the peeling device 30 and the drive shaft 43 of the sorting device 40. The unit 90C is provided.

  Of the work transmission system 90, the clutch 91, the second relay shaft 92, the third transmission device 93, the second transmission unit 90B, the fourth transmission device 94, and the like are arranged on the left side of the traveling vehicle body 10. The third transmission unit 90C and the like are arranged on the right side of the traveling vehicle body 10.

  As shown in FIGS. 5, 7, 8, and 15, the third transmission unit 90 </ b> C is a chain type that is transmitted from the drive shaft 4 </ b> A of the blower 4 to the input shaft 35 of the peeling device 30 via a torque limiter 95 </ b> A. The fifth transmission device 95, a gear-type sixth transmission device 96 that transmits power from the input shaft 35 to the first roll 33A and the second roll 33B of each peeling mechanism 33, and each rotating body 34A of the transport mechanism 34 from the input shaft 35. To the chain-type seventh transmission 97 (an example of the transmission C) and the chain-type eighth transmission 98 (the transmission C) of the transmission from the input shaft 35 to the drive shaft 43 of the sorting device 40. An example).

  The seventh transmission device 97 includes a first chain transmission mechanism 97A and a first transmission mechanism that are transmitted from the input shaft 35 to the first rotating body 34A, the first second rotating body 34B, and the third rotating body 34C of the transport mechanism 34. A second chain transmission mechanism 97B that decelerates transmission from the second rotating body 34B to the second second rotating body 34B, and a third chain type that transmits power from the second second rotating body 34B to the third second rotating body 34B. A transmission mechanism 97C, a fourth chain transmission mechanism 97D transmitting from the third second rotating body 34B to the fourth second rotating body 34B, and a fifth second rotating body from the fourth second rotating body 34B. A fifth chain transmission mechanism 97E that transmits to 34B.

  As shown in FIGS. 1 to 4, 6 and 12 to 16, the traveling vehicle body 10 includes a first side cover 5 and a first side cover 5 that cover a left side portion (an example of a lateral side portion) of the device A mounted on the traveling vehicle body 10. 2 side cover 6 (an example of a side cover). In addition, the traveling vehicle body 10 includes a third side cover 7 (an example of another side cover) that covers the right side portion (an example of the opposite lateral side portion) of the device A mounted on the traveling vehicle body 10.

  That is, the left side part located in the discharge | emission side of the storage part 60 among the right and left side parts of the apparatus A mounted in the traveling vehicle body 10 is covered with the first side cover 5 and the second side cover 6. Further, the right side portion of the left and right side portions of the device A mounted on the traveling vehicle body 10 that is located on the opposite side to the discharge side of the storage portion 60 is covered with the third side cover 92.

  The first side cover 5 is disposed on the front side of the left end portion of the traveling vehicle body 10 so as to cover the left side portions of the engine 1 and the clutch 91 and the like. The second side cover 6 is arranged on the rear side of the left end portion of the traveling vehicle body 10 so as to cover the left side portions of the sorting device 40 and the recovery device 50 and the fuel filler 2A of the fuel tank 2 and the like. . The third side cover 7 travels so as to cover the right side portions of the sorting device 40 and the recovery device 50 and the seventh transmission device 97 and the eighth transmission device 98 provided on the right side portion of the peeling device 30. It is arranged at the right end of the vehicle body 10.

  As shown in FIGS. 1 and 3, the first side cover 5 is arranged around the axis of each fourth support shaft 5 </ b> A via a front and rear fourth support shaft 5 </ b> A at the left end portion of the auxiliary deck 11 </ b> F. It is attached so that it can swing up and down. And by this attachment, the 1st side cover 5 exposes the left side parts, such as the lower position which covers the left side parts, such as the engine 1 and the clutch 91 located below the auxiliary deck 11F, and the engine 1 and the clutch 91, etc. Swing up and down over the raised position. The first side cover 5 is in a hanging position extending downward from the front and rear fourth support shafts 5A in the lowered position, and in the raised position, the first side cover 5 is horizontally extended from the front and rear fourth support shafts 5A to the left outside of the vehicle body. Become posture.

  The traveling vehicle body 10 includes a damper (not shown) that swings and biases the first side cover 5 to the raised position. The damper is installed on the first side cover 5 and the second frame portion 11B. The first side cover 5 is provided with a knob for fixing the first side cover 5 in the lowered position against the action of the damper by screwing to a screwed tool (not shown) provided in the second frame portion 11B. A bolt 5B is provided.

  As shown in FIGS. 1, 3, 4, 6, and 12 to 14, the traveling vehicle body 10 covers the second side cover 6 so as to cover the left side portions of the sorting device 40 and the collection device 50. And a support mechanism 8 that supports the movably up and down position between a lowered position that covers the left side of the sorting device 40 and the collecting device 50, and a raised position that exposes the left side of the sorting device 40 and the collecting device 50, etc. Yes. As a result, the amount of protrusion of the second side cover 6 to the left outward of the vehicle body when the second side cover 6 is moved up and down between the lowered position and the raised position is set to the lowered position of the first side cover 5 of the vertically swinging type. And the amount of protrusion of the first side cover 5 to the left outward of the vehicle body when it is swung up and down over the raised position.

  Then, the amount of protrusion of the second side cover 6 toward the left outer side of the vehicle body is reduced in this way, so that, for example, the first side cover 5 and the second side cover 6 are placed on the left outer side of the vehicle body. Even if there is no wide space that allows the upward swing operation to the upward position, if there is a space that allows the upward displacement of the second side cover 6 to the upward position, the effort to move the corn harvester, etc. Therefore, it is possible to expose the left side portions of the sorting device 40 and the recovery device 50 that are covered by the second side cover 6, the fuel filler opening 2 </ b> A of the fuel tank 2, and the like. As a result, it is easy to perform auxiliary work such as maintenance on the sorting device 40 and the recovery device 50 from the left outer side of the vehicle body and fuel supply to the fuel tank 2.

  The second side cover 6 moves up and down across the lowered position and the raised position on the left outer side of the auxiliary deck 11F. In the lowered position of the second side cover 6, the upper end portion of the second side cover 6 is adjacent to the left outer side of the left end portion of the auxiliary deck 11F, and in the raised position of the second side cover 6, the second side cover 6 The lowering position and the rising position of the second side cover 6 are set so that the lower end portion of the second side cover 6 is adjacent to the left outer side of the left end portion of the auxiliary deck 11F.

  The second frame portion 11B includes front and rear first support members 11Ba that support the auxiliary deck 11F in a left-right orientation at an upper and lower intermediate portion on the left side. In addition, the second frame portion 11B includes front and rear second support members 11Bb in a lateral orientation below the front and rear first support members 11Ba.

  The support mechanism 8 is connected to the left end portions of the front and rear first support members 11Ba so as to be swingable up and down, and to the left end portions of the front and rear second support members 11Bb so as to be swingable up and down. Before and after the second swinging member 8B. The front and rear first swinging members 8 </ b> A have their free ends connected to the upper and lower intermediate portions of the front and rear end portions of the second side cover 6 via a fifth support shaft 8 </ b> C facing forward and backward. The front and rear second swinging members 8 </ b> B pivotally connect the front and rear support shafts 8 </ b> Ba provided at their free ends to the lower end portions of the front and rear ends of the second side cover 6. Accordingly, the support mechanism 8 connects the second side cover 6 to the second frame portion 11B so as to be movable up and down. And by this connection, the 1st before and behind the 2nd frame part 11B so that the 2nd frame part 11B, the 2nd side cover 6, and support mechanism 8 may constitute a four-bar link near a parallel link or a parallel link. The connecting position of the swinging member 8A and the front and rear second swinging members 8B, the connecting position of the front and rear first swinging member 8A and the front and rear second swinging member 8B with respect to the second side cover 6, and the front and rear first The length between the connecting points of the swing member 8A and the front and rear second swing members 8B, etc. are set appropriately. Thereby, the 2nd side cover 6 can be moved up and down over a descent | fall position and a raise position with a vertical orientation.

  The support mechanism 8 includes a tension spring 8D installed on the rear first support member 11Ba and the rear fifth support shaft 8C. When the tension spring 8D is positioned below the swing support shaft 8E with the swing support shafts 8E of the front and rear first swing members 8A as a boundary, the tension spring 8D can On the contrary, in a state where the tension spring 8D is positioned above each swing support shaft 8E, the second side cover 6 is swing-biased upward. Further, the length of the tension spring 8D is released as the second side cover 6 reaches the lowered position, and the downward biasing force is released, and the second side cover 6 reaches the raised position. Thus, the length is set to cancel the upward biasing force. The action of the tension spring 8D facilitates the lowering operation on the lowering position side of the second side cover 6 and the raising operation on the upper position side of the second side cover 6, and the second side cover 6D. The cover 6 can be held at the lowered position and the raised position.

  As shown in FIGS. 4, 6, and 12 to 14, the front and rear first swing members 8 </ b> A and the front and rear second swing members 8 </ b> B are longer than the vertical length of the second side cover 6. A short length is set. Thereby, for example, when the second side cover 6 is moved up and down between the lowered position and the raised position, the second side cover 6 can be moved up and down as compared with the case where the second side cover 6 is configured to be up and down like the first side cover 5. The protrusion amount of the cover 6 to the left outer side of the vehicle body is reduced.

  Specifically, the vertical length of the second side cover 6 is set to a vertical length that can cover the left side of the sorting device 40 and the collection device 50. The lengths of the front and rear first swing members 8 </ b> A and the front and rear second swing members 8 </ b> B are set to about half the vertical length of the second side cover 6. The swing range of the front and rear first swing members 8A and the front and rear second swing members 8B is set to a swing range smaller than 180 degrees, which is close to 180 degrees. And by setting in this way, the second side cover 6 is moved up and down at a distance substantially the same as the vertical length of the second side cover 6 while the second side cover 6 is moved up and down. The maximum protrusion amount of the side cover 6 toward the left outer side of the vehicle body is reduced to about half of the vertical length of the second side cover 6.

  Accordingly, the second side cover 6 is moved up and down between a lowered position that covers the left side of the sorting device 40 and the collecting device 50 and a raised position that exposes the left side of the sorting device 40 and the collecting device 50 and the like. However, even if the position of the second side cover 6 is an upper and lower intermediate position at which the amount of protrusion of the second side cover 6 toward the left outer side of the vehicle body is maximum, the left end portion of the second side cover 6 is The state located in the vehicle body side rather than the side edge part of the loading platform Ba of the conveyance vehicle B laterally placed on the corn harvester for discharging the tufts can be obtained.

  That is, the left side of the sorting device 40 and the collection device 50 that are covered by the second side cover 6 even when the vehicle B to be discharged is present on the left side of the vehicle body that is the discharge side of the storage unit 60. Part can be exposed. As a result, while performing the discharging operation of discharging the corn tuft from the storage unit 60 to the discharge target location, auxiliary work such as maintenance for the sorting device 40 and the recovery device 50 is performed on the left side of the vehicle body that is the discharge side of the storage unit 60 Can be done reasonably.

  As shown in FIGS. 1, 4, 6, 13, and 14, the second side cover 6 is screwed into the screwed tool 11 </ b> Bc provided in the second frame portion 11 </ b> B. A bolt 6A with a knob is provided for fixing to the lowered position. This prevents the generation of noise due to the second side cover 6 swinging in the vicinity of the lowered position and colliding with the second frame portion 11B or the like due to vibration during traveling.

  As shown in FIGS. 4 and 12, the discharge portion 51 </ b> B of the collection box 51 is located inside the vehicle body with respect to the outer end of the left rear wheel 17 at the collection position of the collection box 51, and the collection box 51 is discharged. In position, it is located outside the vehicle body from the outer end of the left rear wheel 17. Thereby, when taking out the seed grain collect | recovered by the collection | recovery box 51 from the discharge part 51B to the seed bag 100, it is avoiding that the left rear wheel 17 becomes obstructive.

  The discharge position of the collection box 51 is set to a position where the amount of protrusion of the collection box 51 that is maximum at the discharge position to the left outward of the vehicle body is smaller than the maximum amount of protrusion of the second side cover 6 to the left outward of the vehicle body. doing. Thereby, even when the vehicle B to be discharged is present on the left side of the vehicle body that is the discharge side of the storage unit 60, the left side portion of the collection device 50 that is covered by the second side cover 6 is exposed. In addition, the collection box 51 of the collection device 50 can be moved to the discharge position. As a result, an auxiliary operation of taking out the seed grains collected in the collection box 51 from the discharge unit 51B to the seed bag 100 while performing the discharge operation of discharging the corn tuft from the storage unit 60 to the discharge target portion is performed. This can be done reasonably from the left side of the vehicle body, which is the discharge side of the vehicle.

  As shown in FIGS. 2 to 4, 12, 15, and 16, the traveling vehicle body 10 includes a closed position in which the third side cover 7 covers the right side of the sorting device 40 and the collecting device 50, and the sorting device. 40 and an opening position that exposes the right side portion of the collection device 50, and the like. Thereby, for example, the labor required for the opening and closing operation of the third side cover 7 can be reduced as compared with the case where the third side cover 7 is configured to be up and down like the first side cover 5. In particular, as the vertical length of the third side cover 7 is longer, the labor required to open and close the third side cover 7 can be greatly reduced as compared with the case of the vertical swing type. Then, by positioning the third side cover 7 in the open position, the right side portion of the sorting device 40 and the recovery device 50 covered by the third side cover 7, and the seventh transmission device 97 and the eighth transmission device. 98, etc. can be exposed. As a result, it is possible to perform auxiliary work such as maintenance on the sorting device 40, the recovery device 50, the seventh transmission device 97, the eighth transmission device 98, and the like from the right outer side of the vehicle body.

  The traveling vehicle body 10 includes front and rear support members 18 at the right end of the second frame portion 11B. The front and rear strut members 18 are provided with support portions 9 at their upper part, upper and lower intermediate part, and lower part, respectively. Each support portion 9 employs a hinge having a longitudinal axis.

  The third side cover 7 includes front and rear cover bodies 7A and 7B having the same rectangular shape. The front cover body 7 </ b> A has a front end attached to the front support member 18 via three support portions 9. The rear cover body 7 </ b> B has a rear end portion attached to the rear column member 18 via three support portions 9. By these attachments, the front and rear cover bodies 7A and 7B swing around the respective longitudinal axis centers between the closed position and the open position. That is, the third side cover 7 can cover the right side portions of the sorting device 40 and the collection device 50 by the front and rear cover bodies 7A and 7B being located at the closed position. Further, the third side cover 7 exposes the right side portions of the sorting device 40 and the recovery device 50 between the front and rear cover bodies 7A and 7B by positioning the front and rear cover bodies 7A and 7B in the open position. Can do. Thereby, for example, the labor required for the opening and closing operation of the third side cover 7 can be reduced as compared with a case where the third side cover 7 is provided with a single long cover body at the front and rear. For example, even when there is no wide space on the right outside of the vehicle body of the third side cover 7 that allows the opening operation of the third side cover 7, which is a single long cover body, to the opening position. The right side portion of the sorting device 40 and the recovery device 50 that are covered by the third side cover 7 and the seventh transmission device 97 and the eighth transmission device 98, without the need to move the corn harvester, etc. Etc. can be exposed. As a result, auxiliary operations such as maintenance for the sorting device 40, the recovery device 50, the seventh transmission device 97, the eighth transmission device 98, and the like from the right outside of the vehicle body can be easily performed.

  As shown in FIGS. 2, 4, 15, and 16, the traveling vehicle body 10 automatically locks the third side cover 7 in the closed position as the third side cover 7 reaches the closed position. A mechanism 19 is provided. This prevents the generation of noise due to the third side cover 7 swinging in the vicinity of the closed position and colliding with the second frame portion 11B due to vibration during traveling.

  The locking mechanism 19 includes front and rear locked rods 11Bd that are vertically fixed to the right end portion of the second frame portion 11B, locking tools 7Aa and 7Ba provided on the front and rear cover bodies 7A and 7B, and locking tools. 7Aa and 7Ba are constituted by springs (not shown) for urging and urging the front and rear locked rods 11Bd. Each of the locking tools 7Aa and 7Ba can perform a releasing operation against the action of the spring from the right outside of the vehicle body.

[Another embodiment]
The present invention is not limited to the configuration exemplified in the above embodiment, and a typical alternative embodiment of the present invention will be exemplified below.

[1] The traveling vehicle body 10 may have, for example, left and right front wheels 16 as steering wheels and left and right rear wheels 17 as drive wheels. The traveling vehicle body 10 is, for example, a semi-crawler specification that includes left and right crawlers instead of the left and right rear wheels 17 or a full crawler that includes left and right front wheels 16 and left and right rear wheels 17 instead of left and right crawlers. Specification.

[2] The device A mounted on the traveling vehicle body 10 may be, for example, a battery, an electric motor, a hydraulic pump, a blower, a threshing device, or the like.

[3] In the above embodiment, the second side cover 6 is supported in the vertical orientation by supporting the second side cover 6 obscuring the left side portion (an example of the lateral side portion) of the device A with the support mechanism 8. Instead of this, the first side cover 5 that covers the left side portion (an example of the lateral side portion) of the device A is supported by the support mechanism 8 instead. Accordingly, the first side cover 5 may be vertically movable across the lowered position and the raised position in a vertical orientation. Further, by supporting the third side cover 7 that covers the right side portion (an example of the lateral side portion) of the device A with the support mechanism 8, the third side cover 7 extends in the vertical position between the lowered position and the raised position. It may be movable up and down.

[4] The support mechanism 8 may support the side cover 6 in a vertically oriented posture so as to be vertically slidable between the lowered position and the raised position, for example, by a slide rail. In addition, the support mechanism 8 includes, for example, a combination of a guide rail that guides a roller or the like provided at the lower end portion of the side cover 6 so as to be movable up and down, and a swing member that supports the upper end portion of the side cover 6. 6 may be supported in a vertically oriented posture so as to be movable up and down between the lowered position and the raised position.

[5] The storage unit 60 may have a discharge side set on the right side of the traveling vehicle body 10. Moreover, the storage part 60 may be provided with conveyance apparatuses, such as a screw conveyor for discharge of stored matter, or a bucket conveyor, for example.

[6] The collection device 50 may include a conveying device such as a screw conveyor or a bucket conveyor for discharging seed grains.

[7] The side cover 6 may cover the right side portion (an example of the lateral side portion) of the device A.

[8] The other side cover 7 may cover the left side portion (an example of the lateral side portion) of the device A. Further, the other side cover 7 may cover the entire third transmission unit 90C. Further, the other side cover 7 may be constituted by a single cover body.

[9] The support portion 9 may support the other side cover 7 so as to be swingable around the vertical axis between the closed position and the open position by means of, for example, a vertically-oriented connecting pin or bolt. .

  The present invention can be applied not only to a corn harvester but also to a harvester such as a combine harvester and a carrot harvester.

6 Side cover 7 Another side cover 8 Support mechanism 9 Support unit 10 Traveling vehicle body 30 Peeling device 40 Sorting device 50 Collection device 51B Discharge unit 60 Storage unit A Equipment A1 Work device Aa Drive unit C Transmission device

Claims (5)

In the harvesting machine with a side cover that covers the side of the equipment mounted on the traveling vehicle body,
A support mechanism is provided that supports the side cover in a vertically oriented posture that covers the lateral side portion so as to be movable up and down over a lowered position that covers the lateral side portion and an elevated position that exposes the lateral side portion. Harvester. Harvesting corn planted in the field while self-propelled,
As the equipment, comprising a working device for processing the harvested corn tufts,
Behind the working device, deploying a reservoir for storing the corn tufts after treatment by the working device,
The harvester according to claim 1, wherein the side cover covers and hides the lateral side portion located on the discharge side of the storage portion. A peeling device that peels off the foliage from the harvested corn tufts;
A sorting device for sorting the peeled foliage and the seed grains taken from the corn tufts at the bottom of the peeling device;
A collecting device as the working device for collecting the selected seed grains below the sorting device;
The harvester according to claim 2, wherein the collection device includes a discharge unit on the same side as the discharge side of the storage unit. Another side cover obscuring the lateral side located on the opposite side of the lateral side that the side cover obscures;
A support portion that supports the other side cover so as to be swingable about a longitudinal axis over a closed position that covers the opposite lateral side portion and an open position that exposes the opposite lateral side portion. The harvester according to any one of claims 1 to 3. On the opposite lateral side, a transmission device is provided for transmitting to a plurality of drive units provided in the device,
The harvesting machine according to claim 4, wherein the another side cover covers the transmission device in the closed position and exposes the transmission device in the open position.

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