JP2013106556A - Combined harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a combined harvester which can functionally constitute a machine frame layout for a reaper, a thresher or the like, and can simultaneously improve workability for assembling or maintaining the reaper or the thresher.SOLUTION: The combined harvester has a reaper 3 having a platform auger 13 and a feeder house, a thresher 9 having a threshing cylinder 21 and a grain-separating mechanism, and a travel machine frame 1 having a travel portion 2 and an engine 7, and supplies grain culms from the reaper 3 to the thresher 9. The combined harvester further has a structure having a winnower shaft 76 connected to the output shaft 65 of the engine 7 through a threshing clutch 84, and a counter shaft 72 for driving the reaper 3 and the threshing cylinder 21, wherein the structure is provided with a forward or reverse rotation-switching case 121 for inputting the rotation driving force of the winnower shaft 76, and the counter shaft 72 is connected to a forward or reverse rotation transmission shaft 122 disposed in the forward or reverse rotation-switching case 121.

Description

  The present invention relates to a combine equipped with a reaping device for reaping uncut cereal grains in a field and a threshing apparatus for threshing grains of the harvested cereal grains.

  Conventionally, a traveling machine body having a traveling unit and a driver's seat, a reaping device having a cutting blade, a threshing device having a handling cylinder, a feeder house for supplying reaped cereals from the reaping device to the threshing device, and an engine for driving each unit And a grain sorting mechanism that sorts the threshing product of the threshing device, and there is a technique for continuously harvesting and threshing uncut cereal grains in the field (Patent Document 1).

JP 2008-263865 A

  In the prior art disclosed in Patent Document 1, since the handling cylinder of the threshing device cannot be reversed using the rotational driving force of the engine, residual slag or clogging scum can be easily obtained from the side of the threshing grain inlet of the threshing rotor. It cannot be removed. In addition, a forward rotation drive mechanism such as a forward rotation drive belt (forward rotation clutch) and a reverse rotation drive mechanism such as a reverse rotation drive belt (reverse rotation clutch) are arranged separately on the left and right sides of the reaping device (feeder house). In addition, it is necessary to secure mounting spaces for the mowing drive mechanism on both the left and right sides of the mowing device. That is, the arrangement structure of the cab or the threshing device is mutually restricted with respect to the reaping device. For example, there is a structural problem that the forward drive belt or the reverse drive belt cannot be easily replaced. In addition, there is a problem that the maintenance workability of the drive structure provided between the reaping device and the threshing device cannot be improved. In addition, when the on / off operation mechanism of the forward rotation transmission mechanism and the on / off operation mechanism of the reverse rotation transmission mechanism are provided respectively, and the above-mentioned on / off operation mechanism and the mowing clutch operation mechanism are combined, the operator may make a mistake during the harvesting operation. There is also a problem that the reaping device is reversed.

  Therefore, the present invention seeks to provide a general combine that has been improved by examining these current conditions.

  In order to achieve the above object, a combine according to the first aspect of the present invention includes a harvesting device provided with a platform auger and a feeder house, a threshing device having a handling cylinder and a grain sorting mechanism, a traveling machine body provided with a traveling unit and an engine. In a combine for supplying cereals from the reaping device to the threshing device, a structure is provided in which a tang shaft connected to the output shaft of the engine via a threshing clutch, and a counter shaft for driving the reaping device and a handling cylinder are provided. A forward / reverse switching case for inputting the rotational driving force of the rotary shaft is provided, and the counter shaft is connected to a forward / reverse transmission shaft provided in the forward / reverse switching case.

  According to a second aspect of the present invention, there is provided the combine according to the first aspect, wherein the forward / reverse switching case includes a forward bevel gear and a reverse bevel gear, and the forward / reverse switching case on the axis of the counter shaft. The forward / reverse transmission shaft is arranged, and the forward rotation bevel gear or the reverse rotation bevel gear is connected to the counter shaft via the forward / reverse transmission shaft and the counter shaft.

  A third aspect of the present invention is the combine according to the first aspect, wherein the feeder house is arranged side by side on the side of the cab where the driver's seat is provided, and the driver's seat among the side surfaces of the threshing device The sorting drive belt of the threshing device, the forward / reverse switching case, and the reaping clutch are disposed on the side surface away from the threshing device.

  According to a fourth aspect of the present invention, there is provided the combine according to the first aspect, wherein the forward / reverse switching case is provided with a forward bevel gear and a reverse bevel gear, and the forward / reverse switching case on the axis of the rod shaft. The forward / reverse transmission shaft is arranged, and the forward rotation bevel gear or the reverse rotation bevel gear is connected to the counter shaft via the forward / reverse transmission shaft and the counter shaft.

  A fifth aspect of the present invention is the combine according to the first aspect, wherein a front rotor is arranged at a front portion of the threshing device, and the forward / reverse transmission shaft is connected to the front rotor via a cutting clutch. Concatenated.

  According to the first aspect of the present invention, the reaping device includes a reaping device provided with a platform auger and a feeder house, a threshing device having a handling cylinder and a grain sorting mechanism, and a traveling machine body provided with a traveling unit and an engine. In the combine for supplying cereals to the threshing device, a structure is provided in which a tang shaft connected to an output shaft of the engine via a threshing clutch, and a counter shaft for driving the reaping device and a handling cylinder are provided, wherein the tang shaft The forward / reverse switching case for inputting the rotational driving force is provided, and the counter shaft is connected to the forward / reverse transmission shaft provided in the forward / reverse switching case, so that the forward / reverse output shaft is connected to the input side of the handling cylinder. By providing, it is possible to reverse both the reaping device and the handling cylinder, and it is also possible to reverse only the handling cylinder while the reaping device is stopped. Residual wrinkles can be easily removed from the side of the handling barrel where the grain is inserted. Further, the reaping clutch operation and the forward / reverse switching operation can be performed separately, and the reaping device can be prevented from being reversely rotated by an operator's erroneous operation during the harvesting operation. A forward / reverse operation mechanism that forwardly or reversely rotates the harvesting device and the handling cylinder can also be simplified.

  According to the second aspect of the present invention, the forward / reverse switching case includes the forward / reverse bevel gear and the backward / beveling bevel gear, and the forward / reverse switching case and the forward / reverse transmission shaft are disposed on the axis of the counter shaft. Since the forward rotation bevel gear or the reverse rotation bevel gear and the counter shaft are connected to the counter shaft via the forward / reverse transmission shaft, both the cutting device and the handling cylinder can be reversed. However, the output of the engine can be easily branched to the reaping device and the threshing device, and the drive structure for transmitting power to the reaping device and the threshing device can be integrated into the forward / reverse switching case to be compact. Further, the forward / reverse switching case can be utilized as the bearing mechanism of the counter shaft, and the support rigidity of the counter shaft can be easily improved.

  According to invention of Claim 3, it is the structure which arranges the feeder house in the side of the cab in which the driver's seat was provided, and on the side away from the driver's seat among the side surfaces of the threshing device, Since the sorting drive belt of the threshing device, the forward / reverse switching case, and the reaping clutch are arranged, the forward / reverse clutch case can be attached and detached at the machine-side portion of the threshing device away from the driver seat. The sorting drive belt, the forward / reverse clutch case, and the harvesting clutch can be inspected at substantially the same place, and the maintenance workability of the drive transmission unit of the harvesting device and the threshing device can be improved. In addition, a feeder house can be installed close to the side of the cab, and the entrance side of the feeder house can be communicated with the center of the left and right width of the rear part of the reaping device.

  According to a fourth aspect of the present invention, the forward / reverse switching case includes the forward / reverse bevel gear and the forward / reverse bevel gear, and the forward / reverse switching case and the forward / reverse transmission shaft are arranged on the axis of the shaft. Since the forward rotation bevel gear or the reverse rotation bevel gear and the counter shaft are connected to the counter shaft via the forward / reverse transmission shaft, both the cutting device and the handling cylinder can be reversed. However, the output of the engine can be easily branched to the reaping device and the threshing device, and the drive structure for transmitting power to the reaping device and the threshing device can be integrated into the forward / reverse switching case to be compact. In addition, the forward / reverse switching case can be used as a bearing mechanism for the tongue shaft, and the support rigidity of the tongue shaft can be easily improved.

  According to the invention of claim 5, the front rotor is arranged at the front portion of the threshing device, and the forward / reverse transmission shaft is connected to the front rotor via a reaping clutch. Under the state where the mowing device and the front rotor are stopped, only the handling cylinder can be reversed, and the residual soot at the front part of the handling cylinder (the grain input port) can be easily eliminated toward the front rotor. Further, the reaping device and the front rotor can be intermittently reversed while the handling cylinder is continuously reversed, and the residual soot can be easily removed from the feeder house or the front rotor.

It is a left view of the combine which shows 1st Embodiment of this invention. It is a right view of the combine. It is a top view of the combine. It is the left perspective view which looked at the same combine from diagonally forward. It is a rear view of the combine. It is a drive system figure of the combine. It is a cross-sectional explanatory drawing of a forward / reverse switching case part. It is a drive system diagram of the combine which shows 2nd Embodiment.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments embodying the present invention will be described based on the drawings (FIGS. 1 to 5) applied to an ordinary combine. 1 is a left side view of the combine, FIG. 2 is a right side view thereof, FIG. 3 is a plan view thereof, FIG. 4 is a left perspective view thereof, and FIG. First, the schematic structure of the combine will be described with reference to FIGS. In the following description, the left side in the forward direction of the traveling machine body 1 is simply referred to as the left side, and the right side in the forward direction is also simply referred to as the right side.

  As shown in FIGS. 1 to 5, the ordinary combine in the embodiment includes a traveling machine body 1 supported by a pair of left and right crawler belts 2 made of rubber crawlers as a traveling portion. At the front part of the traveling machine body 1, a reaping device 3 for capturing uncut cereal grains such as rice (or wheat, soybeans or corn) is mounted by a single-acting lifting / lowering hydraulic cylinder 4 so as to be adjustable up and down. ing.

  On the left side of the traveling machine body 1, a threshing device 9 for threshing the harvested cereal meal supplied from the reaping device 3 is mounted. In the lower part of the threshing device 9, a grain sorting mechanism 10 for performing swing sorting and wind sorting is arranged. A driver's cab 5 on which an operator is boarded is mounted on the front right side of the traveling machine body 1. An engine 7 as a power source is disposed on the cab 5 (below the driver seat 42). Behind the cab 5 (on the right side of the traveling machine body 1), a grain tank 6 for taking the grain from the threshing device 9 and a grain for discharging the grain in the grain tank 6 toward the truck bed 200 (or container, etc.) A grain discharge conveyor 8 is arranged. The grain discharge conveyor 8 is tilted toward the outside of the machine so that the grains in the grain tank 6 are carried out by the grain discharge conveyor 8.

  The reaping device 3 includes a feeder house 11 that communicates with a handling port 9 a in the front part of the threshing device 9, and a horizontally long bucket-like grain header 12 that is provided continuously at the front end of the feeder house 11. A scraping auger 13 (platform auger) is rotatably supported in the grain header 12. A take-up reel 14 with a tine bar is disposed above the front portion of the take-up auger 13. A clipper-shaped cutting blade 15 is disposed in front of the grain header 12. Left and right weed bodies 16 are provided to project from the left and right sides of the front part of the grain header 12. In addition, a supply conveyor 17 is installed in the feeder house 11. A beater-feeding beater 18 (front rotor) is provided on the feed end side (handle 9a) of the supply conveyor 17. The lower surface portion of the feeder house 11 and the front end portion of the traveling machine body 1 are connected via the lifting hydraulic cylinder 4, and the cutting device 3 moves up and down using a cutting input shaft 89 (feeder house conveyor shaft) described later as a lifting fulcrum. The hydraulic cylinder 4 is moved up and down.

  With the above configuration, the tip side of the uncut grain culm between the left and right weed bodies 16 is scraped by the scraping reel 14, and the heel side of the uncut grain culm is cut by the cutting blade 15, and the rotation of the scraping auger 13. By driving, the harvested cereals are collected near the entrance of the feeder house 11 near the center of the left and right width of the grain header 12. The whole amount of the harvested cereal meal of the grain header 12 is conveyed by the supply conveyor 17 and is configured to be input to the handling port 9 a of the threshing device 9 by the beater 18. The grain header 12 is provided with a horizontal control hydraulic cylinder (not shown) that rotates about the horizontal control fulcrum shaft, and the grain header 12 is adjusted by the horizontal control hydraulic cylinder to adjust the horizontal inclination of the grain header 12. 12, the cutting blade 15, and the take-up reel 14 can be supported horizontally with respect to the field scene.

  Moreover, as shown in FIG. 1, FIG. 3, the handling cylinder 21 is rotatably provided in the handling chamber of the threshing apparatus 9. As shown in FIG. A handling cylinder 21 is pivotally supported on a handling cylinder shaft 20 extended in the front-rear direction of the traveling machine body 1. On the lower side of the handling cylinder 21, a receiving net 24 for allowing the grains to leak is stretched. In addition, a spiral screw blade-shaped intake blade 25 projects outward in the radial direction on the outer peripheral surface of the front portion of the handling cylinder 21.

  With the above-described configuration, the harvested cereal mash introduced from the handling port 9a by the beater 18 is conveyed toward the rear of the traveling machine body 1 by the rotation of the handling cylinder 21 and is, for example, between the handling cylinder 21 and the receiving net 24. Kneaded and threshed. The threshing of grains or the like smaller than the mesh of the receiving net 24 leaks from the receiving net 24. The sawdust and the like that do not leak from the receiving net 24 are discharged from the dust outlet 23 at the rear of the threshing device 9 to the field by the conveying action of the barrel 21.

  A plurality of dust feed valves (not shown) for adjusting the conveying speed of shed grains in the handling chamber are pivotally mounted on the upper side of the handling cylinder 21 so as to be rotatable. By adjusting the angle of the dust feed valve, the conveying speed (residence time) of threshing in the handling chamber can be adjusted according to the variety and properties of the harvested cereal. On the other hand, the grain sorting mechanism 10 disposed below the threshing device 9 includes a rocking sorter 26 for specific gravity sorting having a grain pan, a chaff sheave, a grain sheave, a Strollac, and the like.

  In addition, the grain sorting mechanism 10 includes a tang fan 29 that supplies sorting wind to the swing sorter 26. The threshing that has been threshed by the handling cylinder 21 and leaked from the receiving net 24 is caused by the specific gravity sorting action of the rocking sorter 26 and the wind sorting action of the Kara fan 29, and the grain (the most important thing such as a refined grain). In addition, it is configured so as to be selected and extracted into a mixture of grain and straw (second product such as grain with branch stems), and sawdust.

  A first conveyor mechanism 30 and a second conveyor mechanism 31 are provided on the lower side of the swing sorter 26 as the grain sorting mechanism 10. The grain (first thing) dropped from the swing sorter 26 by the sorting of the swing sorter 26 and the tang fan 29 is collected in the glen tank 6 by the first conveyor mechanism 30 and the cereal conveyor 32. The mixture of grains and straw (second product) is returned to the sorting start end side of the swing sorting plate 26 through the second conveyor mechanism 31 and the second reduction conveyor 33 and is re-sorted by the swing sorting plate 26. The The sawdust and the like are configured to be discharged from the dust outlet 23 at the rear of the traveling machine body 1 to the field.

  Further, as shown in FIGS. 1 to 4, the cab 5 is provided with a control column 41 and a driver seat 42 on which an operator sits. The steering column 41 includes a control lever 43 that changes the path of the traveling machine body 1, a main transmission lever 44 and a sub-transmission lever 45 that switch the moving speed of the traveling machine body 1, and a cutting clutch lever that drives or stops the cutting device 3. 46 and a threshing clutch lever 47 for driving or stopping the threshing device 9 are arranged. Further, a roof 49 for awning is attached to the upper side of the cab 5 via a sun visor support 48.

  As shown in FIGS. 1 and 2, left and right track frames 50 are arranged on the lower surface side of the traveling machine body 1. The track frame 50 includes a drive sprocket 51 that transmits the power of the engine 7 to the crawler belt 2, a tension roller 52 that maintains the tension of the crawler belt 2, a plurality of track rollers 53 that hold the ground side of the crawler belt 2 in a grounded state, An intermediate roller 54 that holds the non-grounding side of the crawler belt 2 is provided. The front side of the crawler belt 2 is supported by the drive sprocket 51, the rear side of the crawler belt 2 is supported by the tension roller 23, the ground side of the crawler belt 2 is supported by the track roller 53, and the non-grounded side of the crawler belt 2 is supported by the intermediate roller 54. Configure to support.

  Next, the drive structure of the combine will be described with reference to FIGS. As shown in FIG. 6, a transmission continuously variable transmission 64 having a traveling hydraulic pump and a hydraulic motor (not shown) is provided in the mission case 63. The engine 7 is mounted on the upper right side of the front part of the traveling machine body 1, and the mission case 63 is arranged on the front part of the traveling machine body 1 on the left side of the engine 7. Further, an output shaft 65 projecting leftward from the engine 7 and an input shaft 66 projecting leftward from the mission case 63 are connected via an engine output belt 67. A charge pump 68 that drives the lifting hydraulic cylinder 4 and the like and a cooling fan 69 are arranged in the engine 7, and the charge pump 68 and the cooling fan 69 are driven by the engine 7.

  As shown in FIGS. 6 and 7, a handling cylinder drive case 71 that pivotally supports the front end side of the handling cylinder shaft 20 is provided. A barrel driving case 71 is provided on the front wall of the threshing device 9. A counter shaft 72 for driving the harvesting device 3 and the handling cylinder 21 is pivotally supported on the handling cylinder drive case 71. A tang input pulley 83 is provided at the right end of the tang shaft 76 that supports the tang fan 29. A tang input pulley 83 at the right end of the tang shaft 76 is connected to the output shaft 65 of the engine 7 via a threshing clutch 84 that also serves as a tension roller and a threshing drive belt 85. That is, the red shaft 76 is connected to the output shaft 65 of the engine 7 via the threshing drive belt 85. Then, a barrel driving pulley 86 is provided at the left end portion of the rod shaft 76 on the side away from the engine 7.

  Further, as shown in FIGS. 6 and 7, a forward / reverse switching case 121 is provided at the left end portion of the counter shaft 72 on the side away from the engine 7. A forward / reverse transmission shaft 122 is pivotally supported on the forward / reverse switching case 121. A forward / reverse switching case 121 and a forward / reverse transmission shaft 122 are arranged on the axis of the counter shaft 72. A counter input pulley 88 is provided on the forward / reverse transmission shaft 122. A counter input pulley 88 at the left end portion of the forward / reverse transmission shaft 122 is connected to the barrel driving pulley 86 via a permanent tension barrel driving belt 87. A front end side of the barrel cylinder 20 is connected to a right end portion of a counter shaft 72 extending in the left-right direction via a bevel gear mechanism 75. The power of the engine 7 is transmitted from the rod shaft 76 to the front end side of the barrel cylinder 20 via the forward / reverse transmission shaft 122 and the counter shaft 72, and the barrel 21 is rotationally driven.

  That is, the threshing clutch 84 is controlled to be turned on and off by the operation of the threshing clutch lever 47 by the operator. When the threshing clutch 84 is turned on, the handling cylinder 21 is driven via the counter shaft 72, and the cereals thrown in from the beater 18 are continuously threshed by the handling cylinder 21.

  Further, the left end portion of the first conveyor shaft 77 of the first conveyor mechanism 30 and the left end portion of the second conveyor shaft 78 of the second conveyor mechanism 31 are connected to the left end portion via a conveyor drive belt 111 as a sorting drive belt. The left end of the shaft 76 is connected. The left end portion of the second conveyor shaft 78 is connected to the left end portion of the crank-shaped swing drive shaft 79 pivotally supported by the rear portion of the swing sorting plate 26 via the swing sorting belt 112. The cereal conveyor 32 is driven via the first conveyor shaft 77, and the first selected grain of the first conveyor mechanism 30 is collected in the glen tank 6. The second reduction conveyor 33 is driven via the second conveyor shaft 78, and the second selected grain (second product) mixed with the sawdust from the second conveyor mechanism 31 is moved to the upper side of the swing sorter 26. Returned to

  On the other hand, a beater shaft 82 that pivotally supports the beater 18 is provided. A cutting drive belt 114 is stretched between the counter shaft 72 and the beater shaft 82 via cutting pulleys 108 and 109 and a tension roller type cutting clutch 115. The left end portion of the beater shaft 82 is connected to the left end portion of the counter shaft 72 via the cutting drive belt 114. Further, a cutting input shaft 89 is provided as a conveyor input shaft for pivotally supporting the feed terminal side of the supply conveyor 17. A cutting input shaft 89 is connected to the beater shaft 82 via a cutting drive chain 116 and sprockets 117 and 118. The entire cutting device 3 is supported on the cutting input shaft 89 so as to be movable up and down.

  A header drive shaft 91 is provided on the grain header 12 of the reaping device. The right end of the cutting input shaft 89 is connected to the header drive shaft 91 via the header drive chain 90. A scraping shaft 93 that pivotally supports the scraping auger 13 is provided. A header drive shaft 91 is connected to the drive shaft 93 via a drive drive chain 92.

  A reel shaft 94 that pivotally supports the take-up reel 14 is also provided. A header drive shaft 91 is connected to the reel shaft 94 via an intermediate shaft 95 and reel drive chains 96 and 97. The cutting blade 15 is connected to the right end portion of the header driving shaft 91 via a cutting blade driving crank mechanism 98. The feed conveyor 17, the auger 13, the take-up reel 14, and the cutting blade 15 are driven and controlled by the turning-on / off operation of the cutting clutch 115 so as to continuously cut the tip side of the uncut grain culm in the field. It is configured.

  Next, the forward / reverse switching structure of the reaping device 3 will be described with reference to FIGS. 4, 6, and 7. As shown in FIG. 6 and FIG. 7, the forward rotation bevel gear 124 integrally formed with the forward / reverse transmission shaft 122, the reverse rotation bevel gear 125 rotatably supported by the cutting input shaft 89, and the forward / reverse switching shaft 123 can rotate freely. The intermediate bevel gear 126 to be fitted is installed in the forward / reverse switching case 121. The intermediate bevel gear 126 is always meshed with the forward bevel gear 124 and the reverse bevel gear 125. On the other hand, the slider 127 is slidably supported on the counter shaft 72 by a spline engagement shaft. The slider 127 is configured to be detachably engageable with the forward rotation bevel gear 124 via the claw clutch-shaped forward rotation clutch 128, and the slider 127 is engaged with the reverse rotation bevel gear 125 via the claw clutch-shaped reverse rotation clutch 129. It is configured to be detachably engageable.

  Further, a forward / reverse switching arm 130 is provided on the forward / reverse switching shaft 123, the forward / reverse switching arm 130 is swung to rotate the forward / reverse switching shaft 123, and the slider 127 is attached to the forward bevel gear 124 or the reverse bevel gear 125. The slider 127 is selectively locked to the forward rotation bevel gear 124 or the reverse rotation bevel gear 125 via the forward rotation clutch 128 or the reverse rotation clutch 129, and the counter shaft 72 is connected to the forward / reverse transmission shaft 122 in the forward rotation direction. It is configured to be connected in reverse.

  Further, as shown in FIGS. 4 and 7, a forward / reverse switching case 121 is fastened with a bolt to the traveling machine body 1 in front of the threshing device 9. Further, a forward / reverse switching lever 132 as a forward / reverse switching operation tool is connected to a forward / reverse switching arm 130 for switching the slider 127 via an operating rod 131. A bracket body 133 for supporting the lever is fixed to the right side surface portion of the threshing device 9, and an intermediate portion of the forward / reverse switching lever 132 is rotatably supported by the bracket body 133. A forward / reverse switching lever 132 is arranged between the front part of the threshing device 9 and the cab 5.

  With the above configuration, the operator operates the forward / reverse switching lever 132 to engage the slider 127 via the forward rotation clutch 128 with the forward rotation bevel gear 124, and the counter shaft 72 is forwardly connected to the forward / reverse transmission shaft 122. In this state, the operator operates the threshing device 9 by operating the threshing clutch 84, operates the reaping device 3 by operating the chopping clutch 115, and threshing while continuously harvesting the grain culm in the field, Collect the grains in the Glen tank 6.

  On the other hand, during the harvesting operation, when the feeder house 11 or the beater 18 or the handling cylinder 12 is clogged with the harvested cereal meal, first, the operator operates the forward / reverse switching lever 132 to connect the reverse bevel gear 125 to the reverse clutch. The slider 127 is engaged via the 129, and the countershaft 72 is reversely coupled to the forward / reverse transmission shaft 122, so that the threshing clutch 84 and the mowing clutch 115 are operated to operate the handling cylinder 12, the beater 18, and the supply conveyor. 17 (the cutting device 3) is operated in reverse, and the cereals packed in the front part of the handling cylinder 12 or the beater 18 or the feeder house 11 are moved back to the grain header 12 side to move the front part of the handling cylinder 12 or the beater 18 or the feeder. Grains filled in the house 11 and the like are taken out from the grain header 12 side.

  Note that the cutting clutch 115 is turned off to stop the beater 18 and the supply conveyor 17 (the cutting device 3), so that only the handling cylinder 12 is operated in reverse, and the cereals accumulated in the front part of the handling cylinder 12 are beatered. It can also be moved back to the 18th side and taken out.

  Next, with reference to FIG. 8, the drive structure of the combine of 2nd Embodiment is demonstrated. As shown in FIG. 8, a forward / reverse switching case 121 is disposed at the left end of the rod shaft 76, a forward / reverse transmission shaft 122 is provided on the same axis as the rod shaft 76, and a barrel driving belt 87 is mounted on the counter shaft 72. The forward / reverse transmission shaft 122 is connected via the via. The forward / reverse transmission shaft 122 is coupled to the counter shaft 72 via the forward rotation clutch 128 or the reverse rotation clutch 129 of the slider 127 and the forward rotation bevel gear 124 or the reverse rotation bevel gear 125. Similarly to the above-described embodiment, the harvesting device 3, the handling cylinder 12, and the beater 18 are forwardly operated via the forward rotation bevel gear 124 to execute the harvesting operation. On the other hand, the reaping device 3 is reversely operated via the reverse bevel gear 125, the handling cylinder 12, the supply conveyor 17 and the beater 18 are operated in reverse, and the grain straw packed in the handling cylinder 12 is moved back to the beater 18 side, The cereals packed in the beater 18 part are moved back to the feeder house 11 side, and the cereals packed in the feeder house 11 are moved back to the grain header 12 side and taken out of the machine. By reversing the handling cylinder 12 and the beater 18, the cereals clogged in the handling opening 9a can be easily removed.

  Further, as shown in FIGS. 6 and 8, the right end portion of the auger drive shaft 58 is connected to the output shaft 65 of the engine 7 through the auger clutch 56 and the auger drive belt 57 in the form of a tension pulley. The front end side of the lateral feed auger 60 at the bottom of the Glen tank 6 is connected to the left end portion of the auger drive shaft 58 via a bevel gear mechanism 59. A vertical feed auger 61 of the grain discharge conveyor 8 is connected to the rear end side of the horizontal feed auger 60 via a bevel gear mechanism 59.

  Further, a grain discharge lever 62 for turning on and off the auger clutch 56 is provided. The operation part of the grain discharge lever 62 protrudes from the right outer side of the front surface of the grain tank 6 so that the operator can operate the grain discharge lever 62 from the field on the driver seat 42 side or the right outer surface of the grain tank 6.

  As shown in FIGS. 2 and 4, the base end side of the lock frame body 137 is provided on the upper surface of the front part of the Glen tank 6 so that it can be raised and lowered. The front end side of the lock frame body 137 is connected to the horizontal frame 138 with a detachable knob bolt 139. On the other hand, as shown in FIGS. 2 and 5, a tank rotation fulcrum shaft 141 is pivotally supported on the right rear portion of the traveling machine body 1 via a tank rotation table 140. The tank rotation bracket body 142 is fixed to the upper end portion of the tank rotation fulcrum shaft 141 protruding from the upper surface side of the traveling machine body 1, and the front portion of the tank rotation bracket body 142 is fixed to the bottom rear side of the Glen tank 6.

  In addition, a conveyor transfer case 143 for connecting the feed start end side of the longitudinal feed auger 61 (grain discharge conveyor 8) is provided at the feed end portion of the transverse feed auger 60, and on the rear extension of the axis of the transverse feed auger 60. A conveyor tilting fulcrum shaft 144 is disposed. The rear surface side of the conveyor transfer case 143 is connected to the rear end side of the tank rotation bracket body 142 via the conveyor tilting fulcrum shaft 144.

  As shown in FIGS. 2 and 5, a support frame 145 (traveling machine body 1) that is fixed to the upper surface of the traveling machine body 1 and the right side surface of the rear portion of the threshing device 9 is provided. The tilting operation body 147 provided in the grain discharge conveyor 8 is detachably locked to the support frame body 145 by the conveyor lock lever body 148. Between the tilting operation body 147 provided on the grain discharge conveyor 8 and the support frame body 145, the intermediate part of the grain discharge conveyor 8 is sandwiched and fixed. In addition, the upper surface side of the rear part of the Glen tank 6 is detachably locked to the support frame 145 by a tank lock lever body 149.

  With the above configuration, the knob bolt 139 is removed, the lock frame body 137 is detached from the horizontal frame 138, the tank lock lever body 149 is removed, and the Glen tank 6 is rotated around the tank rotation fulcrum shaft 141. The installation unit is opened and maintenance of the engine 7 is performed. Further, in a state where the Glen tank 6 is fixed to the installation location on the traveling machine body 1, the conveyor lock lever body 148 is removed, the operator holds the tilting operation body 147, and the grain discharging conveyor 8 is moved around the conveyor tilting fulcrum shaft 144. , The feed end side of the grain discharge conveyor 8 (vertical feed auger 61) is moved onto the truck bed 200, the auger clutch 56 is entered by the grain discharge lever 62, and the transverse feed auger 60 and The longitudinal feed auger 61 is driven, and the grain is carried out from the grain tank 6 toward the truck bed 200.

  Further, the grain discharge conveyor 8 is provided with a tilt support hook body 150, the tilt support chain 151 provided on the support frame body 145 is locked to the tilt support hook body 150, and the grain discharge conveyor is tilted to the outside of the machine. 8 is supported by the tilt support chain 151. The harvesting operation for harvesting the grain culm in the field can be performed in either the vertical support posture in which the grain discharge conveyor 8 is fixed to the support frame 145 or the tilt support posture in which the grain discharge conveyor 8 is fixed to the tilt support chain 151. .

  As shown in FIGS. 1, 4, 6, 7, and 8, a threshing device 3 that includes a cutting auger 13 as a platform auger and a feeder house 11, a handling cylinder 21, and a grain sorting mechanism 10. 9 and a traveling machine body 1 provided with a crawler belt 2 and an engine 7 as a traveling unit, and connected to the output shaft 65 of the engine 7 via a threshing clutch 84 in a combine that supplies cereals from the reaping device 3 to the threshing device 9. And a counter shaft 72 for driving the cutting device 3 and the handling cylinder 21, and a forward / reverse switching case 121 for inputting the rotational driving force of the tongue shaft 76 is provided. A counter shaft 72 is connected to the provided forward / reverse transmission shaft 122. Therefore, by providing the forward / reverse output shaft 122 on the input side of the handling cylinder 21, both the harvesting device 3 and the handling cylinder 21 can be reversed, and only the handling cylinder 21 is reversed while the harvesting device 3 is stopped. You can also. Residual soot can be easily eliminated from the side of the grain barrel 21 of the handling cylinder 21. Further, the reaping clutch 115 operation and the forward / reverse switching operation can be executed separately, and the reaping device 3 can be prevented from being reversely rotated by an operator's erroneous operation during the harvesting operation. A forward / reverse operation mechanism that forwardly or reversely moves the cutting device 3 and the handling cylinder 21 can be simplified.

  As shown in FIGS. 6 and 7, a forward / reverse switching bevel gear 124 and a reverse rotation bevel gear 125 are provided in the forward / reverse rotation switching case 121, and the forward / reverse switching case 121 and the forward / reverse transmission shaft 122 are arranged on the axis of the counter shaft 72. The rotary shaft 76 is connected to the counter shaft 72 via the forward rotation / bevel gear 124 or the reverse rotation bevel gear 125 and the forward / reverse transmission shaft 122. Therefore, the output of the engine 7 can be easily branched to the reaping device 3 and the threshing device 9 while both the reaping device 3 and the handling cylinder 21 can be reversed, and the drive for transmitting power to the reaping device 3 and the threshing device 9. The structure can be integrated into the forward / reverse switching case 121 to be compact. Further, the forward / reverse switching case 121 can be used as a bearing mechanism for the counter shaft 72, and the support rigidity of the counter shaft 72 can be easily improved.

  As shown in FIGS. 4, 6, and 8, the feeder house 11 is arranged side by side on the side of the cab 5 provided with the driver seat 42, and is separated from the driver seat 42 on the side surface of the threshing device 9. On the other side, a conveyor drive belt 111, a forward / reverse switching case 121 and a cutting clutch 115 as a sorting drive belt of the threshing device 9 are arranged. Therefore, the forward / reverse switching case 121 can be attached and detached at the outside portion of the threshing device 9 away from the driver seat 42. The conveyor drive belt 111, the forward / reverse switching case 121, and the harvesting clutch 115 can be inspected at substantially the same place, and the maintenance workability of the drive transmission unit of the harvesting device 3 and the threshing device 9 can be improved. Further, the feeder house 11 can be installed close to the side portion of the cab 5, and the entrance side of the feeder house 11 can be communicated with the center of the left and right widths in the rear portion of the reaping device 3.

  As shown in FIG. 8, the forward / reverse switching case 121 is provided with a forward rotation bevel gear 124 and a reverse rotation bevel gear 125, and the forward / reverse switching case 121 and the forward / reverse transmission shaft 122 are arranged on the axial line of the tang shaft 76. A tang shaft 76 is connected to the counter shaft 72 via the forward bevel gear 124 or the reverse bevel gear 125 and the forward / reverse transmission shaft 122. Therefore, the output of the engine 7 can be easily branched to the reaping device 3 and the threshing device 9 while both the reaping device 3 and the handling cylinder 21 can be reversed, and the drive for transmitting power to the reaping device 3 and the threshing device 9. The structure can be integrated into the forward / reverse switching case 121 to be compact. In addition, the forward / reverse switching case 121 can be used as a bearing mechanism for the tang shaft 76, and the support rigidity of the tang shaft 76 can be easily improved.

  As shown in FIGS. 6 and 8, a beater 18 as a front rotor is arranged at the front portion of the threshing device 9, and a forward / reverse transmission shaft 122 is connected to the beater 18 via a cutting clutch 115. Therefore, only the handling cylinder 21 can be reversed while the reaping device 3 and the beater 18 are stopped, and the residual soot at the front part of the handling cylinder 21 (the grain input 9a) can be easily eliminated toward the beater 18. Further, the reaping device 3 and the beater 18 can be intermittently reversed while the handling cylinder 21 is continuously reversed, and the residual soot can be easily removed from the feeder house 11 or the beater 18.

1 traveling body 2 crawler track (traveling section)
3 Cutting device 5 Driver's cab 7 Engine 9 Threshing device 10 Grain sorting mechanism 11 Feeder house 13 Stirring auger (platform auger)
18 Beata (front rotor)
21 Handling cylinder 42 Driver seat 65 Engine output shaft 72 Counter shaft 76 Karatsu shaft 84 Threshing clutch 111 Conveyor drive belt (selection drive belt)
115 Mowing clutch 121 Forward / reverse switching case 122 Forward / reverse transmission shaft 124 Forward bevel gear 125 Reverse bevel gear

Claims (5)

In a combine that supplies a reaping device having a platform auger and a feeder house, a threshing device having a handling cylinder and a grain sorting mechanism, and a traveling machine body having a traveling unit and an engine, and supplying cereals from the reaping device to the threshing device ,
The structure is provided with a counter shaft for driving the chopping shaft connected to the output shaft of the engine via a threshing clutch, and the mowing device and the handling cylinder,
A combine, wherein a forward / reverse switching case for inputting the rotational driving force of the rotary shaft is provided, and the counter shaft is connected to a forward / reverse transmission shaft provided in the forward / reverse switching case.   The forward / reverse switching case is provided with a forward bevel gear and a reverse bevel gear, and the forward / reverse switching case and the forward / reverse transmission shaft are arranged on the axis of the counter shaft, and the forward bevel gear or the reverse bevel gear is arranged. 2. The combine according to claim 1, wherein the tang shaft is connected to the counter shaft via the forward / reverse transmission shaft.   The feeder house is arranged side by side on the side of a cab provided with a driver's seat, and the sorting drive belt of the threshing device and the forward / reverse rotation are provided on a side surface of the threshing device away from the driver seat. The combine according to claim 1, wherein a switching case and a mowing clutch are arranged.   A forward / reverse bevel gear and a reverse bevel gear are provided in the forward / reverse switching case, and the forward / reverse switching case and the forward / reverse transmission shaft are arranged on the axis of the rotary shaft, and the forward bevel gear or the reverse bevel gear is arranged. 2. The combine according to claim 1, wherein the tang shaft is connected to the counter shaft via the forward / reverse transmission shaft.   The combine according to claim 1, wherein a front rotor is arranged at a front portion of the threshing device, and the forward / reverse transmission shaft is connected to the front rotor via a cutting clutch.

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