JP2017121224A - combine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a combine in which a threshing unit 9 can be mounted on a front part top side of a traveling machine body 1 in a simple sequence of operation, and the assembling workability of joining the threshing unit 9 to the traveling machine body 1 can easily be improved.SOLUTION: A combine includes a reaping unit 3 having a grain header 12, a feeder house 11 and a cutting blade 15, a threshing unit 9 having a threshing cylinder 21, and a traveling machine body 1 provided with a traveling unit 2 and an engine 7. The combine mounts the horizontally postured threshing unit 9 to the right and left direction on the front part of the traveling machine body 1. The combine is configured as follows: a front frame body 121 and a rear frame body 122 for mounting the threshing unit 9 are included in the traveling machine body 1; the front frame body 121 and the rear frame body 122 are erected in parallel with the right and left direction in the front top side of the traveling machine body 1; the support height of the rear frame body 122 is formed higher than the support height of the front frame body 121; and the bottom side of the threshing unit 9 is detachably supported to the front frame body 121, and the rear side of the threshing unit 9 is detachably supported to the rear frame body 122.SELECTED DRAWING: Figure 22

Description

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

  Conventionally, a reaping part having a grain header, a feeder house and a cutting blade, a threshing part having a handling cylinder, a traveling machine body provided with a traveling part and an engine, and continuously chopping unmilled cereal grains in the field. There is a technology (see Patent Documents 1 to 5).

JP 2001-16956 A Japanese Patent Laid-Open No. 2004-187691 Chinese Patent Application Publication No. 1777358 Chinese Patent Application Publication No. 10904248 Chinese Utility Model Registration Gazette No. 201156885

  In a harvesting operation in a small field, a combine with a light weight structure that can make the entire body compact while securing the cutting width of the cereals is desired. In the prior art, when the handling cylinder is arranged in the left-right direction of the traveling machine body in comparison with the structure in which the handling cylinder is arranged in the front-rear direction of the traveling machine body, the front-rear width of the threshing part can be reduced, but the engine, the threshing part, the cutting part, etc. The drive structure of each part of the combine is complicated, and there is a structural problem such that it is not possible to easily consider downsizing the entire combine. In addition, in the structure in which the cutting part is arranged on the front side of the traveling machine body and the threshing part is arranged on the rear side of the traveling machine body, it is easy to balance the front-rear balance of the traveling machine body, but the transportation path of the harvested grain culm cannot be shortened. There is a problem above. Furthermore, in the structure where the threshing part is arranged on the front side of the traveling machine body, the conveying path of the harvested cereal culm can be shortened, but the engine or the threshing part is arranged in parallel on the flat surface on the upper side of the traveling machine body, and the mounting structure of the threshing part is There is a problem that it cannot be simplified easily.

  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, the combine of the invention according to claim 1 comprises a traveling machine body provided with a grain header, a feeder house, a cutting part having a cutting blade, a threshing part having a handling cylinder, a traveling part and an engine, In a combine that mounts the threshing portion in a horizontal orientation on the front part of the traveling machine body in a left-right direction, the combiner includes a front frame body and a rear frame body that mount the threshing part on the traveling machine body, and a front upper surface of the traveling machine body The front frame body and the rear frame body are laid in parallel in the left-right direction on the side, and the support height of the rear frame body is formed higher than the support height of the front frame body, and the threshing portion is formed on the front frame body. The bottom side is removably supported, and the rear frame body is configured to removably support the rear side of the threshing part.

  The invention according to claim 2 is the combine according to claim 1, wherein the reverse V-shaped bottom surface portion of the threshing portion is fixed to the front frame body whose cross-sectional end surface is reverse V-shaped and the cross-sectional end surface is L The L-shaped rear part of the rear part of the threshing part is fixed to the letter-shaped rear frame body, and the bottom part of the threshing part is detachably combined from above with the front frame body and the rear frame body.

  A third aspect of the present invention is the combine according to the first aspect, wherein a grain takeout conveyor is arranged at the bottom of the threshing portion in which the handling cylinder is provided, and the grain that has fallen below the handling cylinder is taken as the grain. A structure for taking out the machine by a grain take-out conveyor, wherein the bottom part of the threshing portion on which the grain take-out conveyor is horizontally mounted is formed with a V-shaped ridge, and a cross-sectional end surface on the V-shaped outer surface of the ridge Is provided with a bowl-shaped frame body, and the cross-section end face of the front frame body is formed in an inverted V shape, and the front frame body is joined to and supported by the outer surface of the bowl via the frame body. It is configured.

  The invention according to claim 4 is the combine according to claim 1, wherein a front horizontal frame is provided on the bottom side of the threshing portion facing the front frame body, and the rear surface of the threshing portion facing the rear frame body. A front horizontal frame having a bowl-shaped cross section end face and a rear frame body having an L-shaped cross section end face arranged in parallel in the left-right direction, and having a cross-section end face having a bowl shape. The frame and the cross-sectional end face are L-shaped rear horizontal frame bodies arranged in parallel in the left-right direction, and the front frame body and the rear frame body have a threshing portion bottom side and a rear side front horizontal frame and a rear horizontal frame. The frame is configured to be detachably combined from above.

  According to the invention described in claim 1, the front part of the traveling machine body is provided with a traveling machine body provided with a grain header, a feeder house, a cutting part having a cutting blade, a threshing part having a handling cylinder, a traveling part and an engine. In the combine that mounts the threshing portion in the horizontal orientation in the left-right direction, the traveling machine body includes a front frame body and a rear frame body on which the threshing portion is mounted, and the front frame body on the front upper surface side of the traveling machine body And the rear frame body are laid in parallel in the left-right direction, the support height of the rear frame body is formed higher than the support height of the front frame body, and the bottom side of the threshing part can be attached to and detached from the front frame body Since the rear frame body is configured to support the rear side of the threshing part so as to be detachable, when the threshing part is assembled, the mounting position of the threshing part relative to the traveling machine body is simplified. The threshing part can be placed on the front upper surface side of the traveling machine body with a simple work procedure via the front frame body and the rear frame body having a step structure with a low front side, and the threshing is performed on the traveling machine body Assembling workability for combining the parts can be easily improved.

  According to the second aspect of the present invention, the reverse V-shaped bottom surface portion of the threshing portion is fixed to the front frame body having an inverted V-shaped cross-section end surface, and the rear frame body having an L-shaped cross-section end surface is fixed. Since the L-shaped rear part of the rear part of the threshing part is fixed and the bottom part of the threshing part is removably combined with the front frame body and the rear frame body from above, the threshing is performed on the front frame body. After making the bottom part of a part contact | abut, the rear part of the said threshing part can be made to contact | abut and unite to a rear frame body. When a threshing unit is mounted on a traveling machine body in a factory or a repair place, the positioning operation of the threshing unit suspended by a cargo handling device such as a hoist can be simplified, and the assembly workability of the threshing unit can be improved.

  According to invention of Claim 3, a grain extraction conveyor is arrange | positioned in the threshing part bottom part in which the said handling cylinder was installed, and the grain which fell below the said handling cylinder was carried out by the said grain extraction conveyor. The bottom portion of the threshing portion on which the grain take-out conveyor is horizontally mounted is formed with a V-shaped ridge, and the cross-sectional end face is a ridge-shaped frame body on the V-shaped outer surface of the ridge In addition, the cross-section end face of the front frame body is formed in an inverted V shape, and the front frame body is joined to and supported by the outer side surface of the flange via the crosspiece frame body. The threshing portion can be placed on the front upper surface side of the traveling machine body by a simple work procedure, but the rigidity of the bottom portion of the threshing portion can be easily improved by connecting the front frame body, The support rigidity of the grain conveyor can be easily secured. Moreover, the bottom part structure of the said threshing part can be simplified easily, and the said threshing part bottom part in which the said grain extraction conveyor etc. are installed can be comprised at low cost.

According to the invention described in claim 4, a front horizontal frame is provided on the bottom side of the threshing part facing the front frame body, and a rear horizontal frame is provided on the rear side of the threshing part facing the rear frame body. A front frame body having a bowl-shaped cross-section end face and a rear frame body having an L-shape cross-section end face are arranged in parallel in the left-right direction. The rear horizontal frame of the shape is arranged in parallel in the left-right direction, and the front horizontal frame and the rear horizontal frame on the bottom side and rear side of the threshing part can be attached to and detached from the front frame and rear frame. Since the cross-sectional end face is a combination of the front frame body and the front horizontal frame body, the mounting position of the threshing part with respect to the traveling machine body is easily determined. The threshing part can be placed on the upper surface side of the traveling machine body by a simple procedure, and the assembly workability of the threshing part is improved. It can be above. In addition, the cross-sectional end face can easily absorb the mounting dimension error in the front-rear direction of the threshing part by the combination of the L-shaped rear frame body and the rear horizontal frame body that can be moved back and forth, and the cross-sectional end face is a front of the bowl shape. It is possible to easily prevent distortion at the connecting portion of the front frame body and the front horizontal cross frame body.

It is a left view of the ordinary combine which shows 1st Embodiment of this invention. It is a top view of the combine. It is a right view of the combine. FIG. 2 is an enlarged explanatory view of FIG. 1. FIG. 3 is an enlarged explanatory view of FIG. 2. FIG. 4 is an enlarged explanatory view of FIG. 3. It is a perspective view of the traveling machine body seen from the left rear. It is a perspective view of the traveling body viewed from the right front. It is left side explanatory drawing of a traveling body. It is right side explanatory drawing of a traveling body. It is plane explanatory drawing of a traveling body. It is a drive system diagram of a normal type combine. It is a perspective view of the traveling body viewed from the right rear side. It is expansion explanatory drawing of FIG. It is a perspective view of the traveling machine body seen from the left rear. It is right side explanatory drawing which shows the drive transmission part of an engine. It is a section front view of a threshing part. It is expansion explanatory drawing of FIG. It is a cross-sectional top view of a cutting part and a threshing part. FIG. 20 is an enlarged explanatory diagram of FIG. 19. It is a right view which shows the support structure of a threshing part. It is decomposition | disassembly explanatory drawing of FIG. It is decomposition | disassembly explanatory drawing of a reaping part and a threshing part. It is decomposition | disassembly explanatory drawing of a threshing part. It is component replacement explanatory drawing of a threshing part.

  DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments embodying the present invention will be described below with reference to the drawings (FIGS. 1 to 23) applied to ordinary combine. First, the general structure of a general 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 6, 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 harvesting part 3 that is taken in while harvesting uncut grain cereal such as rice (or wheat) is mounted by a single-acting lifting hydraulic cylinder 4 so as to be adjustable up and down.

  A threshing unit 9 for threshing the harvested cereal meal supplied from the harvesting unit 3 is mounted on the front upper surface of the traveling machine body 1. Inside the threshing unit 9, a handling cylinder 21 as a cereal threshing rotor, which will be described later, and a grain sorting mechanism 10 for sorting threshing are arranged. On the right side of the rear part of the traveling machine body 1, a driving operation unit 5 that is operated by an operator while walking is mounted. An engine 7 as a power source for each part of the combine is disposed in the central part of the traveling machine body 1. On the rear left side of the traveling machine body 1 (on the left side of the driving operation unit 5), there is arranged a hook receiving unit 6 for taking the grain from the threshing unit 9. The grain in the threshing part 9 is carried out by the grain discharge conveyor 8 toward the bowl receiving part 6.

  The mowing unit 3 includes a feeder house 11 that communicates with the handling port supply unit at the front part of the threshing unit 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. The lower surface portion of the feeder house 11 and the front end portion of the traveling machine body 1 are connected via a lifting hydraulic cylinder 4, and the cutting portion 3 moves up and down using a cutting input shaft 18 (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 of the uncut grain culm between the left and right weed bodies 16 is scraped by the scraping reel 14, and the uncut grain culm is trimmed by the cutting blade 15. The harvested cereal grains 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 in the feeder house 11 and is put into the handling port 9b from the handling port supply plate 9a provided on the left side of the threshing unit 9. ing. In addition, as shown in the phantom line of FIG. 1, it is provided with the heel cutting blade 19 which cuts the heel of the grain culm after cutting the tip side, and the heel cutting blade 19 is detachably attached to the front of the traveling machine body 1 The heel cutting blade 19 is disposed behind the grain header 12 so as to be movable up and down.

  Moreover, as shown in FIGS. 4-6, the handling cylinder 21 is rotatably provided in the handling chamber 22 of the threshing part 9. FIG. A handling cylinder 21 is pivotally supported on a handling cylinder shaft 20 extended in the left-right 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 handling port supply plate 9 a that communicates with the cereal feed end side of the supply conveyor 17 is formed in the lower left portion of the handling chamber 22, while a dust outlet 23 is formed in the lower right portion of the handling chamber 22. . In other words, a horizontal handling cylinder 21 is mounted on the front of the traveling machine body 1 in the left-right direction, and the feeder house 11 is disposed on the left side end (one side end) of the threshing unit 9 so as to be long in the front-rear direction. It is comprised so that the moving direction of the harvested cereal meal in the threshing part 9 of the horizontal feeder attitude | position 11 and the horizontal placement posture may be changed to an orthogonal direction. The handling cylinder 21 includes four square pipe-made trunk frames 21a arranged on the same circumference, and a large number of round bar-shaped handling teeth 21b erected on the outer circumferential surface of the trunk frame 21a at equal intervals. A dust exhaust blade plate 21c is provided on the outer peripheral surface of the right end of the body frame 21a facing the dust exhaust port 23.

  With the above-described configuration, the harvested cereal mash introduced from the handling port supply plate 9 a by the supply conveyor 17 is conveyed from the left side to the right side of the traveling machine body 1 by the rotation of the handling cylinder 21, while the handling cylinder 21 and the receiving net 24. And kneaded in between. The threshing of grains or the like smaller than the mesh of the receiving net 24 leaks from the receiving net 24. Dust and the like that do not leak from the receiving net 24 are discharged from the dust outlet 23 on the lower right side of the handling chamber 22 to the field outside the right crawler belt 2 by the conveying action of the handling cylinder 21.

Further, as shown in FIGS. 17 and 18, the grain sorting mechanism 10 disposed below the handling cylinder 21 is provided with a rocking sorter 26 for sorting specific gravity. The swing sorter 26 includes a flow grain plate 27 disposed below the handling port supply plate 9a, a grain leakage porous plate 28 disposed below the receiving net 24, and the right end of the porous plate 28. It consists of the Glen sieve 29 etc. arrange | positioned under the part. Further, a swing shaft type swing drive shaft 31 that supports the right end portion of the swing sorting plate 26 that can be moved up and down and left and right by a swing guide body (not shown) is provided. The moving sorter 26 is configured to reciprocate up and down and left and right. A dust discharge port 23 is formed on the upper surface side of the dust discharge flow lower plate 23a provided at the right end of the swing sorter 26, and the dust discharge port 23 of the right opening of the handling chamber 22 is formed through the upper surface of the dust discharge flow lower plate 23a. Alternatively, the waste at the right end of the rocking sorter 26 is configured to be discharged to the field scene outside the two right crawler tracks.

  4, 5, 13, 17, and 18, as the grain sorting mechanism 10, the blower fan 34 and the blower fan duct 35 that supply the sorting wind to the swing sorter 26 are swung. A grain takeout conveyor 36 is provided horizontally below the sorting board 26. An exhaust port 35a of the blower fan duct 35 is opened on the lower surface side of the left end portion of the swing sorter 26, and the sorter air of the blower fan 34 is supplied from the left side of the swing sorter 26 to the right side. An upper-side wind direction guide plate 35b and a lower-side wind direction guide plate 35c are provided so as to face the exhaust port 35a.

  An upper wind direction guide plate body 35b is arranged below the flow grain flat plate 27, and the upper wind side guide plate body 35b uniformly disperses the selection wind from the air outlet 35a over the entire lower surface side of the flow grain flat plate body 27. The lower wind direction guide plate 35c is arranged below the perforated plate 28 for grain leakage, and is discharged from the lower surface side of the porous plate 28 toward the upper surface by the guidance of the lower wind direction guide plate 35c. The screened air from the air outlet 35 a is moved, and the threshing that has been threshed by the handling cylinder 21 and leaked from the receiving net 24 is caused by the specific gravity selecting action of the swinging sorter 26 and the wind selecting action of the blower fan 29. It is configured to be sorted into heavy grains and light shavings.

  On the other hand, on the left side of the threshing unit 9, the grain discharge conveyor 8 is extended between the threshing unit 9 and the bowl receiving unit 6 in a front low and high posture. The feed start end side of the front end portion of the grain discharge conveyor 8 is connected to the feed end side of the left end portion of the grain take-out conveyor 36. A grain takeout conveyor 36 is installed in the end face V-shaped grain takeout bowl 25 at the bottom of the threshing section 9. Due to the sorting action of the swing sorter 26 and the blower fan 29, the grains leaked from the perforated plate 28 and the grain sieve 29 to the grain takeout bowl 25 are fed from the left end of the grain takeout conveyor 36 to the grain discharge conveyor 8. It is transferred to the front end, is transferred from the koji insertion port 8 a at the rear end of the grain discharge conveyor 8 to the koji receiving portion 6, and is collected in the koji bag 37 on the koji receiving portion 6.

  That is, the saddle receiving portion 6 is connected to the right rear end portion of the traveling machine body 1 via the base support frame 38a, and the saddle bracket attached to the right rear end portion of the traveling body 1 via the arm support frame 39a. An arm body 39 is provided. Also, the upper end side of the arm support frame 39a is supported at the feed end side of the rear end portion of the grain discharge conveyor 8, and the straw input port 8a is provided at the feed end side of the rear end portion of the grain discharge conveyor 8. The straw bag 37 is suspended from the receiving arm body 39, the opening of the straw bag 37 is attached to the straw filling port 8a, and the grains discharged from the straw filling port 8a are filled inside the straw bag 37. On the other hand, light dust etc. on the upper surface side of the rocking sorter 26 moves toward the upper surface of the dust lowering plate 23a on the lower surface side of the dust outlet 23 and is discharged from the dust outlet 23 on the right side of the threshing unit 9 to the field. Is done.

  On the other hand, as shown in FIGS. 4 to 6, a steering column 41 is disposed in the driving operation unit 5. The steering column 41 is used to drive or stop the left and right side clutch levers 43 and 44 that change the course of the traveling machine body 1, the traveling speed change lever 45 that switches the traveling speed of the traveling machine body 1, and the reaping part 3 or the threshing part 9. A working clutch lever 46, a cutting lift lever 47 for lifting and lowering the cutting unit 3, and a parking brake lever 48 are arranged. In addition, a walking handle 49 protrudes rearward from the rear side of the steering column 41, and the accelerator lever 40 is attached to the left grip portion of the walking handle 49. A driver's seat 42 on which an operator sits is detachably disposed behind the steering column 41.

The work clutch lever 46 and the cutting lift lever 47, which are less frequently operated in the harvesting operation, are arranged at the upper surface height of the steering column 41 or the lower left position or the rear position thereof. Incorrect operation of the lever 47 can be reduced. The side clutch levers 43 and 44 and the traveling speed change lever 45, which are frequently operated in the harvesting operation, are arranged at a high position on the upper surface of the steering column 41, and can improve driving operability such as a traveling speed change or a course change.

  Side clutch levers 43 and 44 and travel shift lever 45 The parking brake lever 48 which requires emergency operation from the side of the machine body is disposed on the outer surface of the right side of the control column 41 and requires a step board and the like. The side clutch levers 43 and 44 disposed on the upper right side of the control column 41 and the parking brake lever 48 are provided on the control column 41 in the moving operation (operation to enter / exit into the field or load / unload to the transport truck bed). Emergency operation can be performed from the field outside the right machine.

  On the other hand, as shown in FIGS. 7 to 10, the left and right front support legs 32 and the rear support legs 33 protrude downward from the lower surface side of the traveling machine body 1, and the left and right support leg bodies 32, 33 are provided on the lower surface side of the traveling machine body 1. The left and right track frames 50 are arranged via the. 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 via a tension mechanism 53 that maintains the tension of the crawler belt 2, and a plurality of members that hold the grounded side of the crawler belt 2 in a grounded state. The track roller 54 is provided. The front side of the crawler belt 2 is supported by the tension roller 23, the rear side of the crawler belt 2 is supported by the drive sprocket 51, the grounding side of the crawler belt 2 is supported in a horizontal posture by the track roller 54, and the non-grounding side of the crawler belt 2 is It is configured to support a low rear and high posture.

  Next, the drive structure of the combine will be described with reference to FIGS. As shown in FIG. 12, the transmission case 63 is provided with a hydraulic continuously variable transmission 64 for traveling speed change that incorporates a traveling hydraulic pump and a hydraulic motor. The engine 7 is mounted on the center upper surface of the traveling machine body 1, and a mission case 63 is disposed at the rear of the traveling machine body 1 behind the engine 7. Further, a travel drive pulley 69 on the output shaft 65 projecting leftward from the engine 7 and a speed change input pulley 70 on the input shaft 66 projecting leftward from the mission case 63 are connected to the front travel output belt 67a and the rear. It connects via the side travel output belt 67b.

  Further, the front traveling output belt 67a is tensioned by a tension roller type traveling clutch 68, and power is transmitted from the engine 7 to the transmission case 63 to drive the left and right crawler belts 2. As shown in FIGS. 5, 9, and 17, the input pulley fan 70a is fixed to the outer surface of the left side of the transmission input pulley 70, and the hydraulic continuously variable transmission 64 is cooled by the input pulley fan 70a. doing.

  In addition, the intermediate frame 131 is erected on the traveling machine body 1 in a backward inclined posture, and the left intermediate pulley 133 and the right intermediate pulley 134 can be integrally rotated on the upper end side of the intermediate frame 131 via the intermediate shaft 132. The front travel output belt 67a is wound around the shaft via the travel clutch 68 between the travel drive pulley 69 and the left intermediate pulley 133, and the rear travel output belt 67b is interposed between the right intermediate pulley 134 and the transmission input pulley 70. Is running around. The transmission case 63 on the rear side of the engine 7 is arranged on the right side of the machine body, and the mounting position of the transmission input pulley 70 is formed near the center of the traveling machine body 1 with respect to the mounting position of the traveling drive pulley 69.

  The input pulley fan 70a supported by the transmission input pulley 70 on the rear end side of the rear traveling output belt 67b is disposed on the rear side of the front traveling output belt 67a. A transmission case 63, in which a hydraulic continuously variable transmission 64 is integrally mounted and fixed, can be installed between the left and right crawler tracks 2 behind the wide left and right engine 7, and the heavy-duty engine 7 and the transmission case 63 are connected to the left and right sides of the body. Supporting the central part, the weight balance in the left-right direction of the aircraft is well formed.

  As shown in FIGS. 7 to 12, a counter shaft 72 for driving the cutting unit 3 and the handling cylinder 21 is provided. A counter shaft 72 is rotatably provided on the upper surface side of the traveling machine body 1 via the left bearing body 71a and the right bearing body 71b. A threshing drive pulley 57 on the output shaft 65 protruding leftward from the engine 7 and a counter shaft pulley 58 at the left end of the counter shaft 72 are connected via a threshing drive belt 59. The threshing drive belt 59 is tensioned by the tension roller type work clutch 60, and power is transmitted from the engine 7 to the counter shaft 72.

  A counter shaft sprocket 73 and a grain delivery sprocket 76 are pivotally supported at the right end of the counter shaft 72. A countershaft sprocket 73 and a handlebar shaft input sprocket 74 at the right end of the handlebar shaft 20 are connected by a threshing drive chain 75, and the handlebar cylinder 21 is driven via the countershaft 72. In addition, the grain delivery sprocket 76 and the delivery input sprocket 77 at the right end of the grain takeout conveyor 36 are connected by a delivery drive chain 78, and the grain takeout conveyor 36 is driven via the counter shaft 72. doing.

  In addition, the feeding start end side of the grain discharge conveyor 8 is connected to the left end portion of the grain extraction conveyor 36 via a bevel gear mechanism 79 so that the grain extraction conveyor 36 and the grain discharge conveyor 8 are driven in conjunction with each other. It is composed. Further, a swing input sprocket 135 is provided at the right end of the grain extraction conveyor shaft 36a of the grain extraction conveyor 36, and the swing input sprocket 135 is driven to swing on the swing input shaft 137 via the swing input chain 136. The sprocket 80 is connected, the swing drive shaft 31 of the swing sorter 26 is connected to the swing input shaft 137 via the bevel gear mechanism 81, and the swing sorter 26 is moved up, down, left and right via the grain take-out conveyor shaft 36a. It is configured to swing and drive.

  On the other hand, the fan drive sprocket 82 on the left end portion of the barrel 20 and the blower fan sprocket 83 on the shaft of the blower fan 34 are connected by a fan drive chain 84 to drive the barrel 21 and the blower fan 34 in conjunction with each other. It is configured as follows. By operating the work clutch 60 of the work clutch lever 46 arranged on the left side of the control column 41, each part of the threshing part 9 (the handling cylinder 21, each conveyor 8, 36, the swing sorter 26, and the blower fan 34) is fixed. Driving at high speed.

  Next, the drive structure of the cutting unit 3 will be described with reference to FIGS. 1 to 3 and FIG. 12. As shown in FIGS. 1 to 3 and FIG. 12, a handling shaft output sprocket 85 provided at the left end portion of the handling shaft 20 and a cutting input sprocket 86 provided at the left end portion of the cutting input shaft 18 which is a lifting fulcrum of the cutting portion 3. Are connected by a cutting input chain 87. The barrel 21 and the supply conveyor 17 are driven in conjunction with each other via a cutting input shaft 18 that supports the entire cutting unit 3 so as to be movable up and down. A header drive shaft 91 is provided on the rear surface side of the left side of the grain header 12 of the cutting part 3 via a pair of header drive bearing bodies 141. The left end of the cutting input shaft 18 is connected to the right end of the header drive shaft 91 via header drive sprockets 88 and 89 and a header drive chain 90.

  A pair of header drive bearing bodies 141 are bolted to the rear side of the left side of the grain header 12. The grain header 12 is provided with a scraping shaft 93 that pivotally supports the scraping auger 13. The left end portion of the header drive shaft 91 is connected to the left end portion of the take-in shaft 93 via a take-in drive chain 92 and take-in drive sprockets 94 and 95. The take-up auger 13 is driven via the cutting input shaft 18 and the header drive shaft 91.

Further, as shown in FIGS. 1 to 3 and 12, left and right reel lifting / lowering fulcrum shafts 153 are provided on the left and right reel lifting / lowering fulcrum brackets on the top of the grain header 12. A lifting / lowering support frame 151 is pivotally supported on the left and right ends of the upper surface of the grain header 12 via a reel lifting / lowering fulcrum shaft 153 so as to be rotatable. In addition, a reel shaft 96 that pivotally supports the take-up reel 14 is provided, and the left and right end portions of the reel shaft 96 are pivotally supported at the tip portions of the left and right lifting support frames 151. A scraping reel 14 is arranged on the upper surface side of the grain header 12 through left and right lifting support frames 151 so as to be movable up and down.

  In addition, the left and right side surfaces of the grain header 12 are provided with an extendable support height adjusting arm 155 that supports an intermediate portion of the left and right lifting support frames 151, and the support height adjusting arm 155 is extended and retracted in a multistage manner. The support height of the reel 14 can be changed in multiple stages. It is also possible to form the support height adjusting arm 155 with a hydraulic cylinder and to change the support height of the take-up reel 14 steplessly by the hydraulic pressure of the hydraulic cylinder.

  Further, the left end of the left reel lifting / lowering fulcrum shaft 153 is extended outward from the left side of the machine, and the reel driving sprocket 98 and the reel driving pulley 161 are supported on the left side of the left reel lifting / lowering fulcrum shaft 153 by a free-wheeling shaft. Yes. In addition, the left side surface of the reel drive sprocket 98 and the right side surface of the reel drive pulley 161 are integrally crimped and bolted. A reel drive sprocket 98 and a reel drive pulley 161 are rotatably supported by a ball bearing bearing at an intermediate portion of the left reel lift fulcrum shaft 153.

  As shown in FIGS. 1 to 3 and 12, a reel drive chain 97 is hung around a reel input sprocket 99 and a reel drive sprocket 98 provided at the left end of the header drive shaft 91. A reel drive belt 164 is wound around a reel driven pulley 163 and a reel drive pulley 161 provided at the left end of the reel shaft 96. A reel drive tension pulley 166 is pivotally supported at the tip of the reel drive tension arm 165 so as to be rotatable. A reel shaft 96 is linked to the header drive shaft 91 via a reel drive chain 97 and a reel drive belt 164. Note that a reel drive tension pulley 166 is elastically pressed to the reel drive belt 164 by a reel drive tension spring force, and the reel drive belt 164 is tension-supported by the reel drive tension pulley 166.

  Further, the machine-side end of the left reel lifting / lowering fulcrum shaft 153 passes through the base end side of the reel drive tension arm 165, and the integrated reel drive sprocket 98 and the reel drive pulley 161 or the reel drive tension arm 165 are connected to the left side. The reel elevating fulcrum shaft 153 is configured to be detachable from the left end side. A reel drive chain 97 is installed in the chain cover body 169 on the left side of the cutting unit 3 and a reel drive belt 164 is installed on the belt cover body 170 on the left side of the cutting unit 3 (see FIG. 19).

  Further, the cutting blade 15 is connected to the right end portion of the driving shaft 93 via the cutting blade drive crank mechanism 100. By the operation of the work clutch lever 46 with the work clutch 60, each part of the cutting unit 3 (the supply conveyor 17, the take-up auger 13, the take-up reel 14, and the cutting blade 15) is driven, and the uncut rice in the field It is configured to continuously cut the tip side of the reed. In addition, the cutting blade drive crank mechanism 100 is installed in the cutting blade drive cover body 171 on the right side of the cutting unit 3 (see FIG. 19). Further, in the structure in which the heel cutting blade 19 is provided, the heel cutting shaft 104 is connected to the right end portion of the cutting input shaft 18 via the heel cutting chain 101 and the sprockets 102 and 103, and the front end portion of the traveling machine body 1 is connected. After the heel cutting blade 19 is connected to the supported heel cutting shaft 104 via the heel cutting crank mechanism 105 and the tip side of the grain culm in the field is cut by the cutting blade 15, the cereal culm in the field is then continued. The stock side is cut with the base cutting blade 19 so that the cereal stump remaining in the field becomes short.

Next, the structure of the traveling machine body 1 will be described with reference to FIGS. As shown in FIGS. 4 to 11, the traveling machine body 1 is configured in a vertical and multistage eave structure by a lower machine frame 1 a, an upper machine frame 1 b, and a support frame 1 c. The left and right crawler belts 2 are installed on the lower surface side of the lower body frame 1 a via the left and right track frames 50. Further, the lower surface of the engine 7 is connected to the mounting portion on the upper surface of the upper body frame 1b, and the engine 7 is mounted on the upper body frame 1b. The engine 7 is disposed between the driving operation section 5 and the saddle receiving section 6. The

  That is, the engine 7 is disposed at the center of the left and right width of the traveling body 1, the driving operation unit 5 is disposed at the rear of the upper body frame 1 b on the right side of the engine 7 around the engine 7, and the upper part on the left side of the engine 7. A saddle receiving part 6 is arranged at the rear of the machine body frame 1 b, a driving operation part 5 is arranged on the rear right side of the traveling machine body 1, and a saddle receiving part 6 is arranged on the rear left side of the traveling machine body 1. A battery 56 is disposed on the upper right side surface of the upper body frame 1 b on which the engine 7 is mounted, and the battery 56 is used as a starting power source for the engine 7.

  On the other hand, the front end side of the lower fuselage frame 1a extends forward from the front end side of the upper fuselage frame 1b, and the threshing portion 9 is placed on the upper surface of the front end side of the lower fuselage frame 1a. The engine 7 is installed on the upper surface of the upper body frame 1a on the rear side of the threshing portion 9, and the height of the upper surface of the threshing portion 9 and the height of the upper surface of the engine 7 are made to be substantially the same. The swing sorter 26 of the grain sorting mechanism 10 is supported at a position approximately the same height as the upper machine frame 1a, and the installation surface (lower machine frame) of the threshing unit 9 is more than the installation surface of the engine 7 (upper surface of the upper machine frame 1b). 1a upper surface) is formed low, and the harvested culm inlet (handle opening supply plate 9a) of the threshing unit 9 is configured to be disposed at a low position of the traveling machine body 1. Further, the lifting hydraulic cylinder 4 is attached to the front end of the lower fuselage frame 1b, and the hydraulic oil tank 55 is disposed between the front end of the upper fuselage frame 1a (the rear surface of the threshing portion 9) and the lower fuselage frame 1b, and the lifting hydraulic pressure is increased. The hydraulic oil such as the cylinder 4 is stored in the hydraulic oil tank 55.

  On the other hand, the rear ends of the lower body frame 1a are connected to the rear ends of the left and right track frames 50 by the left and right rear support legs 33, and the upper ends of the left and right rear support legs 33 are extended toward the rear upper side of the lower body frame 1a. The left and right axle cases 63a on both sides of the transmission case 63 are detachably supported on the upper ends of the left and right rear support legs 33, and the rear end side of the upper fuselage frame 1b is located behind the rear end side of the lower fuselage frame 1a. The upper end side of the transmission case 63 is detachably supported on the rear end side of the upper body frame 1b via the upper connecting body 62. The upper end side of the rear support leg 33 and the upper body frame 1b The mission case 63 is disposed in a backward inclined posture on the rear end side.

  The rear end portions of the left and right crawler belts 2 are stretched over the left and right axle cases 63 a on the lower end side of the transmission case 63 via the left and right drive sprockets 51. That is, the drive sprocket 51 is supported on the upper end side of the rear support leg 33, and the non-grounding side of the crawler belt 2 is stretched between the tension roller 52 at the front end of the track frame 50 and the drive sprocket 51 on the upper end side of the rear support leg 33. The non-grounding side of the crawler belt 2 is supported in a front-rear-rear-high position in which the crawler belt 2 is inclined forward and downward.

  As shown in FIGS. 4 to 9, 16, and 18, a driver's seat bracket body 111 is provided at the right rear end of the upper fuselage frame 1 b, and the front end of the driver's seat frame 112 can be attached to and detached from the driver's seat bracket body 111. The bolt is fastened. Further, the rear end side of the driver's seat frame 112 extends substantially horizontally from the right rear end of the upper fuselage frame 1b to the rear, and the driver seat 42 is attached to the rear end portion of the driver's seat frame 112. A driver seat 42 is arranged behind the driver operation unit 5 and an operator seated on the driver seat 42 (shown in phantom lines in FIGS. 1 and 2) has the levers 43, 44, 45 of the driver operation unit 5. , 46, 47, 48, etc. can be operated.

Further, a foot guard body 114 disposed between the feet of the operator sitting on the driver's seat 42 and the rear end of the right crawler belt 2 is provided. A guard body support frame 115 is extended downward from the front-rear width intermediate portion of the driver's seat frame 112, the foot guard body 114 is fixed to the guard body support frame 115, and the operator's foot contacts the right crawler belt 2. Is prevented by the foot guard body 114. In addition, the footrest frame 113 is fixed to the lower end of the guard body support frame 115, and an operator who sits on the driver seat 42 places the foot on the footrest frame 113, and the height adjustment frame 110 is attached to the driver seat frame 112. The upper end side of the guard body support frame 115 is bolted so as to be movable up and down.

  In a walking operation in which an operator does not sit on the driver seat 42, the driver seat frame 112 is detached from the driver seat bracket body 111 and the driver seat 42 is removed. It is configured to walk and perform harvesting operations.

  On the other hand, as shown in FIGS. 5, 7, 11, 16, and 17, a mission protection frame 116 that bolts both ends to the right rear end portion and the left axle case 63 a of the upper body frame 1 b is provided. The rear side of the case 63 is surrounded by the mission protection frame 116, the mission protection cover 117 is attached to the mission protection frame 116, and the upper side of the hydraulic continuously variable transmission 64 above the mission case 63 is covered by the mission protection cover 117. It is composed.

  The mounting structure of the counter shaft 72 will be described with reference to FIGS. As shown in FIGS. 7 to 11 and 20, left and right bearing bracket bodies 143 and 144 are integrally welded and fixed to the left and right ends of the front part of the upper body frame 1 b of the traveling body 1, and the left bearing bracket body 143 is fixed. The left bearing body 71a is bolted to the right bearing bracket body 144, and the right bearing body 71b is bolted to the right bearing bracket body 144, and the counter shaft 72 is placed horizontally above the front upper body frame 1b extending in the left-right direction. It is erected. Further, as shown in FIGS. 13 to 18, a blower fan support frame 145 and a blower fan support side plate 146 are erected on the upper left side of the upper body frame 1b, and the blower fan support frame 145 and the blower fan support side plate 146 are connected. The fan case portion 34a of the blower fan 34 is fixed to the left side surface of the blower fan support side plate 146, and the blower fan 34 is disposed at the front portion on the left side of the engine 7.

  In addition, the base end side of the threshing tension arm 147 is attached to the blower fan support frame 145, the work clutch 60 is disposed on the front end side of the threshing tension arm 147 extended forward, and the threshing drive belt 59 is stretched through the work clutch 60. The counter shaft 72 is connected to the output shaft 65 of the engine 7. Further, a tension arm shaft 148 is provided on the intermediate frame 131, and a travel tension arm 149 that supports the travel clutch 68 and an output tension arm 182 that supports a travel output tension pulley 181 are connected via the tension arm shaft 148. It is supported by the intermediate frame 131.

  On the other hand, as shown in FIGS. 14, 18, and 20, a belt cover body 183 is stretched on the left side of the engine 7 on which the threshing drive belt 59, the front traveling output belt 67a, and the rear traveling output belt 67b are arranged. ing. That is, the blower fan support side plate 146 is erected on the front side of the blower fan support frame 145, the left side wall portion of the belt cover body 183 is erected on the rear side of the blower fan support frame 145, and each of the belts 59, 67a. , 67b, the upper surface wall portion of the belt cover body 183 extends in the front-rear direction, and the threshing drive belt 59 extends in the front-rear direction on the left side of the engine 7, and the front traveling output belt 67a. The upper side and the left side of the rear running output belt 67b are configured to be blocked by the left and upper wall portions of the blower fan support side plate 146 and the belt cover 183.

With the above configuration, since the outside air is sucked into the blower fan 34 from the outside air intake port 146a formed in the blower fan support side plate 146, each belt 59 covered with the blower fan support side plate 146 and the belt cover 183 is provided. , 67a, 67b The outside air in the installation space is sucked into the blower fan 34 through the outside air intake port 146a, and the blower fan support side plate 146 and the lower surface side opening part of the belt cover body 183 (upper body frame 1b installation part) Or, outside air is sucked into a space covered with the blower fan support side plate 146 and the belt cover 183 from a place where there is relatively little dust in the vicinity of the engine 7 mounting portion), and the outside air inside the space The air can be sucked into the blower fan 34 from the intake port 146a. Therefore, air with relatively little dust, such as sawdust, can be supplied from the blower fan 34 to the swing sorter 26 as a sorter.

  As shown in FIG. 14, FIG. 18, FIG. 20, etc., the front end side of the base support frame 38a is supported by the arm strut frame 39a standing portion in the upper body frame 1b. A base support frame 38a is extended to the rear side of the left crawler belt 2, and a hook receiving partition 118 is provided on the front end side of the base support frame 38a. Between the rear side of the crawler belt 2 on the left side and the front side of the hook receiving portion 6 is shielded by the hook receiving partition body 118. Further, a hook receiving base 38 is provided on the rear end side of the base supporting frame 38a. For example, in a situation of a harvesting operation in which a straw bag 37 is mounted on the straw arm body 39, the straw bag 37 is placed on the straw receiving stand 38, and grains are collected in the straw bag 37, the straw receiving stand The muddy soil in the field can be prevented from being scattered from the rear side of the left crawler belt 2 toward the bag 37 on the left side 38 by the partition body 118, and Contact with the side or the like can be prevented by the hook receiving partition 118. It should be noted that, depending on the shape of the bag bag 37 and the like, it is possible to support the bag receiving table 38 on the table support frame 38a so that the height can be adjusted.

  Furthermore, as shown in FIGS. 4 to 6, FIG. 13, and the like, the mission protection cover 117, the right side of the saddle receiving partition 118, and the rear of the belt cover 183 cover the rear side of the mission case 63. The left and right saddle insertion ports 8a that are bifurcated into a bifurcated shape by horizontally extending the saddle receiving base 38 across the rear portion of the left crawler belt 2 and the rear side of the mission case 63 that are covered by the left side of the saddle receiving partition 118 38, when the bag 37 is alternately attached to the left and right rod input 8a, and when the bag 37 is completely filled from one side (left rod input 8a), it protrudes toward the steering column 41 By operating the operation portion of the input switching lever 185 that has been moved, the input switching shutter 186 at the base end of the left and right bag input 8a is switched, and the bag 37 is filled from the other (right bag input 8a). It is configured.

  In addition, the grain discharging conveyor is obtained by dropping the straw bag 37 filled with straw into the field and attaching the empty straw bag 37 to the straw input port 8a and the switching operation of the input switching shutter 186 of the input switching lever 185. A plurality of koji bags 37 are filled with koji (grains) continuously carried out from eight. Further, a closing switch lever 185 is protruded from the lower surface side of the rod charging port 8a toward the control column 41, and an indicator arm 187 is protruded rearward and upward from the upper surface side of the rod loading port 8a. The shutter 186 and the indicator arm 187 are integrally connected so that the operator can operate the closing switch lever 185 to switch the closing switch shutter 186 while confirming the switching direction of the closing switch shutter 186. It is composed.

  Next, the attachment structure of the threshing unit 9 will be described with reference to FIGS. 7, 8, and 21 to 24, the cross-sectional end surface that is laid in parallel to the left and right direction on the front upper surface side of the traveling machine body 1 and the front frame body 121 having an inverted V shape (a bowl shape) and a cross section The end surface includes an L-shaped rear frame body 122. A support frame in which a front frame body 121 having an inverted V-shaped cross section (weld shape) is welded and fixed to the front end portion of the lower body frame 1a (running body 1) and the front end portion of the upper body frame 1b is integrally connected. A rear frame 122 having an L-shaped cross-section is welded and fixed to the upper end of the frame 1c (the traveling machine body 1). The support height of the rear frame body 122 is formed higher than the support height of the front frame body 121.

As shown in FIG. 21 to FIG. 24, the cross-sectional end face to be arranged in the left-right direction on the bottom side of the threshing portion 9 is a front horizontal frame 123 having an inverted V shape (saddle shape), and left and right on the rear side of the threshing portion. The cross-sectional end face arranged in the direction includes an L-shaped rear side cross frame 124. The front horizontal frame body 123 and the rear horizontal frame body 124 are extended in parallel in the left-right direction at the same interval as the mounting interval between the front frame body 121 and the rear frame body 122 extended in parallel in the left-right direction. ing. The machine housing bottom portion of the threshing portion 9 is formed by the end face V-shaped grain take-out trough 25, and the cross-section end face is formed on the outer side surface of the grain take-out trough 25 on the bottom side of the thresher portion 9 and on the front outer side on the trough-shaped bottom side. Is welded and fixed to the front horizontal frame 123 having an inverted V shape (saddle shape), and the rear horizontal frame 124 having an L-shaped cross section is welded and fixed to the outer surface of the rear surface of the threshing portion 9. ing. That is, the bottom frame side of the threshing unit 9 is detachably supported by the front frame body 121, and the rear side of the threshing unit 9 is detachably supported by the rear frame body 122.

  In addition, the front side frame body 123 having an inverted V-shaped (逆 -shaped) front end cross-section is removably combined with the front frame body 121 having an inverted V-shaped (断面 -shaped) cross-sectional end surface from above. The front horizontal frame body 123 is detachably fastened to the front frame body 121 with a bolt 125, the cross-section end face is L-shaped and the rear cross-frame frame 124 is L-shaped and the cross-section end face is L-shaped. The rear horizontal frame body 124 is fastened to the rear frame body 122 with bolts 126. The reverse V-shaped bottom surface portion (front horizontal cross frame 123) of the threshing portion 9 is fixed to the front frame body 121 whose cross-section end surface is reverse V-shaped, and the rear frame body 122 whose cross-section end surface is L-shaped. The L-shaped rear part (rear horizontal frame body 124) at the rear part of the threshing part 9 is fixed to the front frame body 121 and the rear frame body 122 so that the bottom side of the threshing part 9 is detachable from above. The front frame body 121 is joined to and supported by the outer side surface of the grain takeout bowl 25 via the front horizontal crosspiece frame body 123.

  As shown in FIGS. 7, 8, and 21 to 24, a front frame body 121 and a rear frame body 122 are laid in parallel in the left-right direction on the front upper surface side of the traveling machine body 1 to support the front frame body 121. The support height of the rear frame body 122 is formed higher than the height, and the front horizontal frame body 123 and the rear horizontal frame body 124 on the bottom side of the threshing portion 9 are formed on the front frame body 121 and the rear frame body 122 from above. The threshing portion 9 is mounted on the front upper surface side of the traveling machine body 1 with a simple work procedure through the front frame body 121 and the rear frame body 122 having a stepped structure with a low front side because they are detachably combined. Can be placed.

  For example, the threshing portion 9 is supported by a lifting device such as a hoist above the front frame body 121 and the rear frame body 122 arranged on the upper surface side of the traveling machine body 1 (front upper surface side in front of the engine 7). When the threshing unit 9 is assembled, the threshing unit 9 can be detachably mounted on the traveling unit 1 front part by lowering or raising the threshing unit 9 at the front part of the traveling unit 1. After the body 121 and the front horizontal frame body 123 or one of the rear frame body 122 and the rear horizontal frame body 124 are brought into contact with each other, the other can be brought into contact with each other to be combined. When the threshing unit 9 is mounted on the traveling machine body 1, the positioning operation of the threshing unit 9 suspended by a cargo handling device such as a hoist can be simplified.

  In addition, the left and right cutting bearing bodies 127 are bolted to the front outer side of the threshing section 9, and the left and right cutting bearing bodies 127 are pivotally supported by the left and right ends of the cutting input shaft 18, and the front end of the lower body frame 1a. The cutting lift bracket 128 is welded and fixed to the lower surface of the front frame 121, the lifting hydraulic cylinder 4 is attached to the cutting lift bracket 128, the lifting hydraulic cylinder 4 is operated by operating the cutting lift lever 47, and the cutting input shaft The cutting part 3 is moved up and down to an appropriate cutting height or the like with 18 as a lifting fulcrum.

As shown in FIGS. 1, 7, 8, and 21 to 24, the harvesting part 3 having the grain header 12, the feeder house 11, and the cutting blade 15, the threshing part 9 having the handling cylinder 21, and the traveling part A front frame body in which a traveling machine body 1 provided with a crawler belt 2 and an engine 7 is provided, and a threshing section 9 in a horizontal orientation is mounted on the front portion of the traveling machine body 1 in the horizontal direction. 121 and a rear frame body 122, and the front frame body 121 and the rear frame body 122 are laid in parallel in the left-right direction on the front upper surface side of the traveling machine body 1 so that the rear frame body is higher than the support height of the front frame body 121. The support height of 122 is formed high, the bottom side of the threshing portion 9 is detachably supported by the front frame body 121, and the rear side of the threshing portion 9 is detachably supported by the rear frame body 122. It is. Therefore, when the threshing unit 9 is assembled, the mounting position of the threshing unit 9 can be easily determined with respect to the traveling machine body 1 and travels via the front frame body 121 and the rear frame body 122 having a stepped structure with a low front side. The threshing unit 9 can be placed on the front upper surface side of the machine body 1 by a simple work procedure, and the assembly workability for combining the threshing unit 9 with the traveling machine body 1 can be easily improved.

  As shown in FIGS. 7, 8, and 21 to 24, the inverted V-shaped bottom surface portion of the threshing portion 9 is fixed to the front frame body 121 whose sectional end surface is inverted V-shaped, and the sectional end surface is L-shaped. The L-shaped rear part of the rear part of the threshing part 9 is fixed to the rear frame body 122, and the bottom part side of the threshing part 9 is detachably combined with the front frame body 121 and the rear frame body 122 from above. Therefore, after making the bottom part of the threshing part 9 contact | abut to the front frame body 121, the rear part of the threshing part 9 can be made to contact | abut and unite to the rear frame body 122. FIG. When the threshing unit 9 is mounted on the traveling machine body 1 in a factory or a repair place, the positioning work of the threshing unit 9 suspended by a cargo handling device such as a hoist can be simplified, and the assembly workability of the threshing unit 9 can be improved.

  As shown in FIGS. 7, 8, and 21 to 24, a grain takeout conveyor 36 is arranged at the bottom of the threshing unit 9 in which the handling cylinder 21 is installed, and the grains that have fallen below the handling cylinder 21 are taken out. It is the structure which takes out outside the machine with the conveyor 36, Comprising: The bottom part of the threshing part 9 by which the grain extraction conveyor 36 is horizontally mounted is formed in the grain extraction rod 25 whose cross-section end surface is V-shaped, and the grain extraction rod 25 is provided with a front crosspiece frame 123 having an inverted V-shaped cross-section end face on the outer side surface of the V-shape, and a cross-section end face of the front frame body 121 is formed in an inverted V-shape. The front frame body 121 is joined to and supported by the outer side surface of the extraction rod 25 via the front horizontal cross frame body 123. Therefore, while the threshing part 9 can be placed on the front upper surface side of the traveling machine body 1 by a simple work procedure, the rigidity of the bottom part of the threshing part 9 can be easily improved by connecting the front frame body 121, The support rigidity of the grain takeout conveyor 36 can be easily secured. Moreover, the bottom part structure of the threshing part 9 can be simplified easily, and the bottom part of the front threshing part 9 in which the grain extraction conveyor 36 etc. are installed can be comprised at low cost.

  As shown in FIGS. 7, 8, and 21 to 24, the front horizontal frame 123 is provided on the bottom side of the threshing portion 9 facing the front frame body 121, and the rear surface of the threshing portion 9 facing the rear frame body 122. A rear horizontal frame body 124 is provided on the side, and a front frame body 121 having a bowl-shaped cross-section end face and a rear frame body 122 having an L-shaped cross-section end face are arranged in parallel in the left-right direction, and the cross-section end face has a bowl-shaped front face. The horizontal frame frame 123 and the rear horizontal frame 124 having an L-shaped cross section are arranged in parallel in the left-right direction, and the front frame body 121 and the rear frame body 122 are arranged on the bottom side and the rear side of the threshing portion 9. The horizontal frame body 123 and the rear horizontal frame body 124 are configured to be detachably combined from above. Therefore, the mounting position of the threshing part 9 with respect to the traveling machine body 1 is easily determined by the combination of the front frame body 121 and the front horizontal frame body 123 having a bowl-shaped cross section, and the threshing part is located on the upper surface side of the traveling machine body 1. 9 can be placed in a simple procedure, and the assembly workability of the threshing unit 9 can be improved. Moreover, the cross-sectional end surface can easily absorb the mounting dimension error in the front-rear direction of the threshing portion 9 by the combination of the L-shaped rear frame body 122 and the rear horizontal frame body 124 that can move back and forth, and the cross-sectional end surface has a bowl shape. It is possible to easily prevent distortion at the connecting portion between the front frame body 121 and the front horizontal frame body 123.

  Next, with reference to FIGS. 17 to 21, a mounting structure of the handling chamber inlet reed valve 311 as a cereal transfer body will be described. As shown in FIGS. 17-21, the handling port supply board 9a is provided in the left front side of the threshing part 9, the rear end side of the feeder house 11 is made to face the handling port 9b on the left front side of the threshing part 9, and the feeder house 11 The harvested cereal of the harvesting part 3 is supplied from the rear end side to the inside of the handling chamber 22 through the handling port 9b, and the handling chamber 22 in which the handling cylinder 21 is installed is cut from the conveying outlet of the feeder house 11 In the structure for supplying cereals, a handling chamber inlet reed valve 311 as a cereal transfer body is provided at the bottom of the handling port 9b of the handling chamber 22 into which the harvested cereals are fed from the feeder house 11, and the handling cylinder 21 is provided inside. When the harvested cereal meal is supplied to the bottom of the handling port 9b from the feeder outlet of the feeder house 11 to the installed handling chamber 22, the harvested cereal meal at the bottom of the handling port 9b is directed to the dust outlet 23 side and the handling chamber inlet reed valve 311 is configured to guide the movement.

  That is, the feeder house 11 is arranged at the left end portion of the threshing portion 9, the dust outlet 23 is formed at the right end portion of the threshing portion 9 opposite to the feeder house 11, and the receiving net 24 is formed at the bottom portion of the handling chamber 22. The grain shed by the handling cylinder 21 is caused to leak to the lower part of the receiving net 24, and is fed from the feeder house 11 to the handling port 9 b at the left end of the handling chamber 22 into which the harvested cereal meal is introduced. The handling chamber inlet reed valve 311 is detachably fastened to the upper surface of the left end of the receiving net 24 facing the bolt 312 so as to reduce the amount of harvested cereal scum that is retained near the feeder outlet 11 or the handling port 9b. It is configured.

  Further, the handling cylinder 21 is horizontally mounted in the horizontal direction of the traveling machine body 1, and the grain take-out conveyor 36 disposed below the handling chamber 22 is horizontally mounted in the horizontal direction, and is disposed on the dust outlet 23 side on the right side of the traveling machine body 1. While the feed start end side of the grain take-out conveyor 36 is arranged, the feed end side of the grain take-out conveyor 36 is arranged on the left side of the traveling machine 1, and the feed start end of the grain discharge conveyor 8 is placed on the feed end side of the grain take-out conveyor 36. The parts are connected. That is, the feeder house 11 and the grain discharge conveyor 8 are disposed at one end of the threshing section 9 mounted in the horizontal direction, and the grain is taken out below the handling chamber 22 in which the handling cylinder 21 is provided. A conveyor 36 is arranged in the left-right direction.

  With the above configuration, the waste inside the handling chamber 22 is discharged out of the machine from the dust outlet 23 of the threshing part 9 and the other side part (right side part of the machine body) opposite to the feeder house 11 installation part (left side part of the machine body). At the same time, the grain that has leaked from the left side of the body of the receiving net 24 from the side of the side of the body of the threshing part 9 (left side of the machine body) on the feeder house 11 installation side is transferred to the grain takeout conveyor 36. Then, it is taken out toward the grain discharge conveyor 8 outside the machine.

  Accordingly, in a threshing operation in which a large amount of grain is threshed on the feeder house 11 installation side (the handling chamber 22 entrance side) and a large amount of grain leaks below the receiving net 24 on the handling chamber 22 entrance side, Compared to the structure in which the grain is taken out from the 23rd side to the outside of the machine, a large amount of grain shed on the entrance side of the handling room 22 (near the handling opening 9b) is placed on the right side of the body away from the handling opening 9b on the left side of the body. Since it is not necessary to move to the dust outlet 23 side, the time which the grain threshed in the handling cylinder 21 stays in the threshing part 9 can be shortened. Further, since the amount of dust or dust mixed in the grain on the handling port 9b side is smaller than that on the dust outlet 23 side, the grain conveying efficiency of the grain extracting conveyor 36 can be improved, and the grain extracting conveyor 36 Since the sorting air of the blower fan 34 is supplied from the feed end side toward the feed start end side, light dust or dust is transferred while being transported from the dust outlet 23 side to the handling port 9b side. In the sorting air, the dust or dust is easily discharged from the dust outlet 23 to the outside of the right side of the machine, and is mixed in the grain taken out from the feed terminal side of the grain takeout conveyor 36 to the outside of the left side of the machine. The amount or dust amount can be reduced.

  As shown in FIGS. 1 and 17 to 21, a cutting part 3 having a grain header 12, a feeder house 11 and a cutting blade 15, a threshing part 9 having a handling cylinder 21, a crawler belt 2 and an engine 7 as a traveling part are provided. The traveling machine body 1 to be provided is provided, and the handling cylinder 21 in the horizontal position is mounted on the front part of the traveling machine body 1 in the left-right direction, and the feeder house 11 is disposed at one side end of the threshing unit 9, In the combine that changes the moving direction to the orthogonal direction, the harvested cereal meal is supplied from the feeder house 11 to the handling chamber 22 in which the handling cylinder 21 is installed. A handling chamber inlet reed valve 311 as a grain feeder is provided at the bottom of the handling port 9b of the handling chamber 22, and the harvested cereal at the bottom of the handling port 9b is directed to the dust outlet 23 to the handling chamber inlet reed valve 311. Configured to guide the movement . Accordingly, the front and rear width of the threshing portion 9 can be reduced, the drive structure of each part of the combine can be simplified, and the overall size of the combine can be easily reduced. It is possible to smoothly move toward the dust port 23 by the handling chamber inlet reed valve 311, and to easily prevent the harvested cereal stagnation at the feeder house 11 outlet or the handling chamber 22 entrance.

  As shown in FIGS. 17 to 21, the bottom of the handling chamber 22 on the outlet extension of the feeder house 11, the bottom of the handling chamber 22 near the handling port 9 b (the top surface of the handling port supply plate 9 a or the top surface of the receiving net 24). A reed valve 311 is arranged, and the harvested cereal meal supplied from the transport outlet of the feeder house 11 is moved by the handling chamber inlet reed valve 311 toward the dust outlet 23 side. Therefore, even though the cereals move from the front to the rear in the feeder house 11 and the cereals move in the left-right direction inside the treatment room 22 that is long in the left-right direction, the harvested cereal at the feeder house 11 outlet or the treatment room entrance. For example, even when the processing amount of the harvested cereals increases, it is possible to easily prevent the harvested cereals from clogging at the feeder house 11 exit or the handling chamber 22 entrance.

  As shown in FIGS. 17 to 21, a dust outlet 23 is formed at the other end of the threshing portion 9 opposite to the feeder house 11 at one end of the threshing portion 9, and a receiving net 24 is formed at the bottom of the handling chamber 22. A handling chamber inlet reed valve 311 is detachably arranged by fastening bolts 312 on the upper surface of the receiving net 24 facing the handling port 9b of the handling chamber 22 into which the harvested cereal rice cake is inserted. ing. Therefore, even if the receiving net 24 and the like are shared, the handling chamber inlet reed valve 311 can be easily attached / detached or replaced, and the handling chamber inlet reed valve having a shape adapted to the variety or characteristics of the harvested cereals 311 can be assembled at low cost, and the threshing capacity of the harvested cereal can easily be improved.

  As shown in FIGS. 17-21, the feeder house 11 and the grain discharge conveyor 8 are arrange | positioned in the one side edge part of the threshing part 9 of the horizontal installation mounted horizontally, and the handling cylinder 21 was installed internally. The grain take-out conveyor 36 is disposed in the horizontal orientation below the chamber 22, and the handling shaft 20 (the handling cylinder 21) and the grain take-out conveyor shaft 36 a (the grain take-out conveyor 36) are installed in parallel in the left-right direction. The grain leaked from the catching net 24 from one side of the threshing section 9 on the feeder house 11 installation section side is removed from the receiving net 24 by the grain extraction conveyor 36. It is configured to be taken out toward the discharge conveyor 8. Therefore, it is not necessary to move a large amount of grains that are threshed on the entrance side of the handling chamber 22 to the dust outlet 23 side, and the time for the shed grains to stay in the threshing section 9 can be easily reduced. It is possible to easily reduce the amount of sawdust mixed in the grains taken out of the machine.

  Next, as shown in FIGS. 17, 18, and 25, the handling chamber 22 is formed by the threshing upper surface cover 313, and a plurality of threshing reed valves 314 are fixed to the inner peripheral surface side of the threshing upper surface cover 313 at equal intervals. By the rotation rotation of the handling cylinder 21 and the transfer guidance of the threshing reed valve 314, the harvested cereal rice cake introduced into the inside of the handling chamber 22 is shed while moving from the handling port 9b side to the dust discharging port 23 side. It is configured. Further, as shown in FIG. 25, a plurality of sets of threshing upper surface covers 313 having threshing reed valves 314 having different specifications (shapes) are fastened to the upper part of the machine housing of the threshing unit 9 with bolts 315 removably. The threshing top cover 313 having a threshing reed valve 314 suitable for the variety or property of the harvested cereal culm in the field can be attached, and the threshing performance can be applied to cereals with different varieties or properties. Can be easily adapted. For example, a structure that adjusts the support angle or the like of the threshing reed valve 314 can be easily adapted to the variety or property, but there is a problem that the manufacturing cost increases. That is, in the harvesting operation in which the varieties or properties of grain cereals (crop) are almost constant depending on the work site, the crop adaptability can be improved while the manufacturing cost can be reduced.

1 traveling body 2 crawler track (traveling section)
DESCRIPTION OF SYMBOLS 3 Cutting part 7 Engine 9 Threshing part 11 Feeder house 12 Grain header 15 Cutting blade 21 Cylinder 25 Grain extraction basket 36 Grain extraction conveyor 121 Front frame body 122 Rear frame body 123 Front horizontal frame body 124 Rear horizontal rail Frame

Claims (4)

A cutting part having a grain header, a feeder house, and a cutting blade, a threshing part having a handling cylinder, a traveling machine body provided with a traveling part and an engine, and the threshing part in a horizontal position at the front of the traveling machine body In the combine to be installed in
A front frame body and a rear frame body on which a threshing portion is mounted on the traveling machine body, and the front frame body and the rear frame body are laid in parallel in the left-right direction on the front upper surface side of the traveling machine body. The support height of the rear frame body is formed to be higher than the support height of the rear frame body, the bottom side of the threshing part is detachably supported by the front frame body, and the rear side of the threshing part can be attached to and detached from the rear frame body A combine that is configured to be supported.   The cross-section end face fixes the reverse V-shaped bottom surface portion of the threshing portion to the front frame body having an inverted V shape, and the cross-section end surface fixes the L-shaped rear portion of the rear portion of the threshing portion to the L-shaped rear frame body. The combine according to claim 1, wherein the combiner is configured so that the bottom side of the threshing portion is detachably combined with the front frame body and the rear frame body from above.   A grain take-out conveyor is arranged at the bottom of the threshing section in which the handling cylinder is installed, and the grain that has fallen below the handling cylinder is taken out from the machine by the grain take-out conveyor. The bottom portion of the threshing portion on which the conveyor is horizontally mounted is formed with a V-shaped ridge, and a cross-sectional end surface of the front frame body is provided on the V-shaped outer surface of the ridge while a cross-sectional end surface is provided with a bowl-shaped frame. The combine according to claim 1, wherein the frame is formed in an inverted V shape, and the front frame body is joined to and supported by the outer side surface of the basket via a crosspiece frame body.   A front horizontal frame body is provided on the bottom side of the threshing part facing the front frame body, a rear horizontal frame body is provided on the rear surface side of the threshing part facing the rear frame body, and the cross-sectional end face is a front of a bowl shape. The frame body and the cross-section end face are L-shaped rear frame bodies arranged in parallel in the left-right direction, and the cross-section end face is a bowl-shaped front crosspiece frame and the cross-section end face is an L-shaped rear crosspiece frame left-right. Arranged in parallel, the front frame body and the rear frame body are configured so that the bottom side frame side and the rear side frame body on the threshing part bottom side and the rear side frame body are detachably combined from above. The combine according to claim 1.

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