JP2007252235A - Pretreatment part for combine harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To secure a space for dropping waste straws of grain culms while preventing them from being caught between a reaping apparatus arranged at a pretreatment part and a pretreatment frame. <P>SOLUTION: The pretreatment part of a combine harvester has a constitution that a horizontal frame 12 on which divider supporting frames 11a, 11b, 11c and 11d for fitting a plurality of the dividers 3 are fixed at given intervals is arranged, the right and left divider supporting frames 11a and 11b fixed to both the ends of the horizontal frame 12 are connected to a horizontal transmission cylinder 9 laterally arranged at the front end of a vertical transmission cylinder 8 constituting the pretreatment frame 2, a frame body B is formed from the horizontal transmission cylinder 9, the horizontal frame 12 and the right and left divider supporting frames 11a and 11d. Raking star wheels 19b, 19c, 19d and 19e constituting plant-base raking apparatuses 20L, 20R and 20C and front low and rear high supporting brackets 51 and 61 for supporting raking belts 18b, 18c, 18d and 18e are fixed to the divider supporting frames 11b and 11c and the horizontal transmission cylinder 9. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a frame structure in a preprocessing unit of a combine.

  Conventionally, in a combine harvesting part (pre-processing part), a support member is raised from a weed ridge at the lower part of the pulling device in front of the cutting blade, and this supporting member is extended backward to bypass the upper side of the cutting blade. It is known that it extends upward and is connected to the upper side of the pulling device, and the supporting member supports the stocker-side scoring device and the stocker-side focusing and transporting device (for example, a patent) Reference 1).

In addition, a plurality of weeding frames project at a predetermined interval in the lateral direction of the horizontal frame integrated with the pretreatment frame provided at the rear portion of the cutting blade, and the upper portions on the upper surfaces of both side portions of the horizontal frame are located at the center side. A support frame that is bent toward the top is erected, and a straight support frame is erected on the upper surface of the central part of the horizontal frame. A combined harvester is known (for example, see Patent Document 2).
Japanese Patent No. 3243810 (page 2-3, FIG. 4 to FIG. 7) Japanese Utility Model Publication No. 1-15303 (page 2, FIG. 1, FIG. 3, FIG. 4)

  However, in the above-mentioned Patent Document 1, a support member is raised from the weed ridge at the lower part of the pulling device, and this support member is extended backward to bypass the upper side of the cutting blade, and further the support member is moved upward. Since it is extended and connected to the upper side of the pulling device, the distance between the branches is long, and the stocking device and the tip side transport device are supported by the support member, so that both devices are driven to rotate. There was a problem that a large vibration was caused.

  Moreover, the thing of the patent document 2 mentioned above is easy to be caught in the weed frame by the sawdust falling between the cutting blade and the horizontal frame, and when the amount of the sawdust caught on the weed frame increases in this way, the harvested grain There was a problem that poor conveyance of the bag occurred.

  An object of the present invention is to solve the above-described problems, and is a pulling device that causes a plurality of weed bodies arranged side by side in the left-right direction of the fuselage and a weed grain cereal provided at the rear of each weed body And a reaping device provided behind the pulling device, a plurality of strainer scraping devices that scrape the strainer of the culm, and a stocker of the cereal scraped by each strainer squeezing device at the junction In a pre-processing section of a combine equipped with a plurality of stock-source-side converging and conveying devices for converging, a horizontal frame is provided in which a weed body support frame for mounting the plurality of weed bodies is fixed at predetermined intervals, and both ends of the horizontal frame The left and right herbaceous body support frames fixed to the section are connected to the horizontal transmission cylinder that is installed horizontally at the front end of the vertical transmission cylinder that constitutes the pretreatment frame, and the horizontal transmission cylinder, the pretreatment frame, and the left and right herbage body support Scratching that forms a frame consisting of a frame and constitutes each stock source scoring device And terpolymers wheel, a low rear high-shaped support bracket before supporting the take-belt, and that it has secured to a separatory Sotai support frame and horizontal transmission cylinder as the first feature.

  The second feature is that the support bracket is connected to the transmission cylinder to the central stock-side-side converging and conveying apparatus erected on the vertical transmission cylinder.

  According to the first aspect of the present invention, there is provided a horizontal frame in which a herbaceous body support frame for mounting a plurality of herbaceous bodies is fixed at a predetermined interval, and left and right herbaceous body support frames fixed at both ends of the horizontal frame are provided. Cutting with a horizontal transmission cylinder that is horizontally provided at the front end of the vertical transmission cylinder constituting the pretreatment frame to form a frame body comprising the horizontal transmission cylinder, the horizontal frame, and the right and left weed body support frames. A space between the device and the horizontal transmission cylinder that allows the sawdust of the harvested culm to fall without being caught is secured, and a stir star wheel that constitutes each stock source scoring device, a stir belt, The support bracket of the front low rear high shape supporting the front is fixed to the weed body support frame and the horizontal transmission cylinder, thereby fixing one side of the support bracket to the strong horizontal transmission cylinder constituting the pretreatment frame, and Distance between the branches It is possible to configure short, it becomes a scraping star wheel constituting the strain based on scraping device for supporting on the support bracket, so it is possible to reduce the occurrence of vibration due to rotation of the take-belt.

  And according to invention of Claim 2, the said support bracket can be fixed still more firmly by connecting the support bracket to the transmission cylinder to the center stockholder side focusing conveyance apparatus standingly arranged in the vertical transmission cylinder. it can.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a left side view of the pre-processing unit 1 in the six-stripe combine according to the present invention, and FIG. 2 is a plan view of the pre-processing unit 1. The plant includes a grass body 3, a pulling device 4, a reaping device 6, a culm transporting unit 7, and the like.

More specifically, the pretreatment frame 2 includes a longitudinal transmission cylinder 8 facing the front and rear direction of the machine body as a main frame, and a lateral transmission cylinder 9 facing the lateral direction of the machine body provided at the front end of the longitudinal transmission cylinder 8. As shown in FIGS. 3 to 5, in front of the horizontal transmission cylinder 9, weed body support frames 11a, 11b, 11c, and 11d to which a plurality of weed bodies 3 are attached are fixed at predetermined intervals. 12 is provided. Weed support frames 11a and 11d fixed to both ends of the horizontal frame 12
The base end portion of the horizontal transmission cylinder 9 is connected to both ends of the horizontal transmission cylinder 9 to form a frame B composed of the horizontal transmission cylinder 9, the horizontal frame 12, and the left and right herbage support frames 11 a and 11 d.

  That is, by forming the frame B including the horizontal transmission cylinder 9, the horizontal frame 12, and the left and right herbage support frames 11a and 11d as described above, the harvested cereal is between the harvesting device 6 and the horizontal transmission cylinder 9. A space S is secured in which the sawdust can be dropped without being caught.

  Then, a plurality of weed bodies 3 for weeding and harvesting cereal grains are attached to the tips of the respective weed body support frames 11a, 11b, 11c, and 11d, and the weed bodies 3 are weeded behind this weed body 3. A reaping device 4 that raises the cereal after the ripening and a reaping device 6 that includes a cutting blade 6a that cuts the stock of the cereal caused by the raising device 4 is installed on the front side of the horizontal frame 12. .

  Further, from one end of the lateral transmission cylinder 9, a pulling transmission cylinder 13 that transmits a driving force to each pulling device 4 is erected upward. The base end of the vertical transmission cylinder 8 is pivotally supported by the combine body so as to be movable up and down, and a hydraulic cylinder (not shown) interposed between the lower surface of the vertical transmission cylinder 8 and the body is operated to extend and contract. The pre-processing unit 1 can be raised and lowered.

  Further, as shown in the transmission diagram of FIG. 6, a vertical transmission shaft 14 is housed in the vertical transmission cylinder 8. In the horizontal transmission cylinder 9, a horizontal transmission shaft 15 for transmitting a driving force from the vertical transmission shaft 14 is housed. Further, a driving force is input to the vertical transmission shaft 14 from an input pulley 16 provided on the base end side of the vertical transmission cylinder 8. Further, a pulling transmission shaft 17 for transmitting a driving force from the lateral transmission shaft 15 is provided in the pulling transmission cylinder 13, and the longitudinal transmission shaft 14, the lateral transmission shaft 15, and the pulling transmission shaft 17 described above are used. A driving force is input to each part of the preprocessing unit 1.

  Then, the culm transporting unit 7 scrapes belts 18a, 18b, 18c, 18d, 18e, and 18f that scrape the culm caused by the pulling device 4, and these scraping belts 18a, 18b, 18c, 18d, and 18e. , 18f corresponding to the left and right and center (plurality) stock former scoring devices 20L, 20R, 20C, and the cutting blades 6a after being cut by the cutting blade 6a, and the cutting star wheels 19a, 19b, 19c, 19d, 19e, 19f. Left and right and center stock-side converging and conveying devices 21L, 21R, and 21C for transporting the stock of cereals, and left and right and central tip-side transporting devices for transporting the side of the cereal after being cut by the cutting blade 6a 22L, 22R, 22C, and the length of cereals conveyed by both conveying devices 21L, 21R, 21C, 22L, 22R, 22C are detected and automatically adjusted to an appropriate handling depth That the 扱深 conveying device 23, and a relay lines based on transport chain 24 for conveying the feed chain (not shown) inherited strain base side of the culms from 該扱 depth conveying device 23.

  As described above, the pre-processing unit 1 of the present embodiment is six-lined, and above the six scratched star wheels 19a, 19b, 19c, 19d, 19e, and 19f arranged in parallel in the left-right direction, Scratching belts 18a, 18b, 18c, 18d, 18e, and 18f are provided for each pair that expands in a generally square shape toward the front. These scraping belts 18a, 18b, 18c, 18d, 18e, and 18f are wound around a driving pulley 25 and a driven pulley (not shown), and are rotated in the conveying direction of the cereal by the rotational driving of the driving pulley 25.

  Then, the tip side transport device 22R on the right side is extended to the rear end of the pre-processing unit 1, and the tip side transport device 22R and the tip side transport device 22L on the left side are substantially y-shaped in plan view. Are arranged as follows. (See FIG. 2) On the other hand, the tip side transport device 22C in the center and the tip side transport device 22L on the left side have a shorter cereal transport distance than the tip side transport device 22R on the right side and are in the center. The tip side transport device 22C extends to the vicinity of the junction M of the left and right tip side transport devices 22L and 22R.

  Further, the handling depth transport device 23 is provided so as to be swingable up and down with the front end portion 23a as a fulcrum, and the grain side after the handling depth is adjusted by the handling depth transport device 23 is determined by the stockholder side. It is inherited from the handling depth conveying device 23 to the relay stock former conveying chain 24. However, the tip side is continuously transported by the tip side transport device 22R on the right side.

  It should be noted that the handling depth transport device 23, the left and right and center stock-side converging transport devices 21L, 21R, 21C, and the relay stock-source transport chain 24 are provided between a drive sprocket and a driven sprocket (not shown) to which driving force is input. It has a structure in which a conveyance chain is hung around, and while holding the grain stock between these conveyance chains and the clamping rail provided opposite to the conveyance chain, It is comprised so that can be conveyed back.

  On the other hand, the left and right and tip end side transporting devices 22L, 22R, and 22C are made of a resin undulating transport claw that inherits the tip side of the cereal between a driving sprocket (not shown) to which driving force is input and a driven sprocket. It has a structure in which a plurality of transport chains are hung around, and while holding the tip side of the culm between the transport rail supported by the pretreatment frame 2 and the transport claw, It is comprised so that it can convey back.

  The above-described stirrer star wheels 19a, 19b, 19c, 19d, 19e, and 19f are integrated with support shafts 26a, 26b, 26c, 26d, 26e, and 26f that are fixed or rotatable on the pretreatment frame 2. It is pivotally supported. More specifically, as shown in FIG. 6, a support shaft 26a that pivotally supports the left outermost stir star wheel 19a is rotatably inserted into a cylindrical shaft 27a fixed to the pretreatment frame 2, and A driven sprocket 28a of the left stock-side converging and conveying apparatus 21L is rotatably attached to the shaft 26a. A drive pulley 25 of a take-up belt 18a included in the left stock take-up device 20L is attached to the upper end of the support shaft 26a so as to rotate integrally with the support shaft 26a.

  Further, the drive sprocket 29L of the left stocker side converging and conveying apparatus 21L is supported by the left drive shaft 31 protruding from the pulling transmission cylinder 13, and the tip of the left drive shaft 31 is connected to the tip side on the left side. A drive sprocket 32L of the device 22L is also supported. When the driving force is transmitted by the left drive shaft 31 to the drive sprocket 32L of the tip side transport device 22L on the left side and the drive sprocket 29L of the left stock side focusing transport device 21L, the tip side transport device 22L on the left side The left stocker side converging and conveying apparatus 21L is driven.

  On the other hand, the outermost right staring wheel 19f is fixed to a lower portion of a cylindrical shaft 27f that is rotatably fitted to a support shaft 26f fixed to the pretreatment frame 2, and the cylindrical shaft 27f includes The driven sprocket 28f of the right stocker side focusing and conveying apparatus 21R is attached so as to be integrally rotatable. The cylindrical shaft 27f is attached to the upper position of the driven sprocket 28f so that the drive pulley 25 for the take-up belt 18f provided in the right stock take-up device 20R can rotate integrally. The drive sprocket 29R of the right stocker side converging and conveying apparatus 21R is pivotally supported by a right drive shaft 33 protruding from the vertical transmission cylinder 8.

  When driving force is transmitted to the drive sprocket 29R of the right stocker side converging and conveying device 21R by the right drive shaft 33, the right stocker side converging and conveying device 21R is driven and the right outermost stir star wheel is driven. 19f and the take-up belt 18f located above the take-up star wheel 19f are driven. The right outermost scraping star wheel 19f and the scratching star wheel 19e that meshes adjacent to the scratching star wheel 19f are arranged.

  A support shaft 26e that pivotally supports the driven star wheel 19e is rotatably inserted into a cylindrical shaft 27e fixed to the outside of the body of the support bracket 61, which will be described in detail later. A drive star wheel 19e is fixed to the lower position of the shaft 27e, and a drive pulley 25 for the drive belt 18e provided in the right stock drive device 20R is attached to the upper position of the cylindrical shaft 27e. Therefore, when the outermost right staring star wheel 19f is rotationally driven, the central staring star wheel 19e meshing with the star wheel 19f is rotationally driven and positioned above the staring star wheel 19e. The scraping belt 18e to be driven is also driven.

  Next, a description will be given of the power transmission structure to the other (three) scraping star wheels 19b, 19c, 19d disposed on the center side of the machine body and the left outermost scratching star wheel 19a.

  In the vicinity of the front end of the vertical transmission cylinder 8 described above, a middle transmission cylinder 34 that protrudes upward protrudes, and a transmission shaft 36 to which a driving force is transmitted from the vertical transmission shaft 14 is housed in the middle transmission cylinder 34. In addition, a gear case 39 that houses gears 37 and 38 is provided at the end of the middle transmission cylinder 34. And from the gear case 39, the middle drive shaft 41 that pivotally supports the drive sprocket 29C of the stock-side converging and conveying apparatus 21C arranged at a position substantially corresponding to the center of the machine body protrudes.

  In other words, the driving force transmitted to the transmission shaft 36 is transmitted to the middle drive shaft 41 via gears 37 and 38, and the drive sprocket 29C of the stock-side converging and conveying device 21C disposed substantially at the center of the machine body. The drive sprocket 29C and the drive sprocket 32C of the central tip side transfer device 22C are attached so as to rotate integrally with each other, and when the drive force is transmitted to both the drive sprockets 29C and 32C, The side focusing and conveying device 21C and the tip side conveying device 22C are driven.

  Further, from the base end side of the vertical transmission cylinder 8, the drive sprocket 32R of the right tip side transfer device 22R and the drive shaft 43 attached so as to rotate integrally with the drive sprocket 42 of the relay stock former transfer chain 24, A drive shaft 46 attached so as to integrally rotate the drive sprocket 44 of the handling depth conveying device 23 protrudes, and the right tip side conveying device 22R, the relay stock former conveying chain 24, and the handling depth conveying device 23 are arranged as driving shafts. 43 or the drive shaft 46 is driven.

  Further, the second and third scavenging star wheels 19b and 19c from the left side are supported by a lateral transmission cylinder 9 constituting the pretreatment frame 2 and a support bracket fixed to the front low rear height with respect to the herbaceous body support frame 11b. 51 is attached. The support bracket 51 includes a vertical (corner) pipe 52 having a tip end screwed to the weed body support frame 11b so as to have a front low rear height substantially the same inclination as the vertical transmission cylinder 8 in a side view, and the vertical pipe 52. A lower end of a support (round) pipe 53 fixed to the lower rear end of the pipe 52 is screwed to the horizontal transmission cylinder 9 and a horizontal (corner) pipe 54 is provided in the middle of the vertical pipe 52. .

  Then, the lower part of the cylindrical shaft 27c in which the third stirring star wheel 19c from the left side is rotatably fitted to the support shaft 26c fixed to the inner side of the horizontal pipe 54 constituting the support bracket 51 described above. The transmission star wheel 19C, which constitutes the transmission means D with a predetermined interval, is provided above the scraping star wheel 19c at the lower portion of the cylindrical shaft 27c. It is fixed with a coaxial center. Further, a driven sprocket 28c for the central stocker-side converging and conveying device 21C is attached to the upper portion of the cylindrical shaft 27c so as to be integrally rotatable, and the cylindrical stock 27c is placed at a position above the driven sprocket 28c. A drive pulley 25 for the take-in belt 18c included in the device 20C is attached so as to be integrally rotatable.

  Further, a support shaft 26b that pivotally supports the stirrer star wheel 19b that meshes adjacent to the left side of the stirrer star wheel 19c is connected to a cylindrical shaft 27b that is fixed to the outside of the body of the horizontal pipe 54 that constitutes the support bracket 51. It is inserted in a freely rotatable manner, and this stiffening star wheel 19b is fixed to the lower portion of the support shaft 26b via a spacer S1, and above the stray star wheel 19b, with a predetermined interval. The transmission star wheel 19B that constitutes the transmission means D is fixed to the support shaft 26b coaxially with the support shaft 26b. Further, a drive pulley 25 for a take-up belt 18b provided in the left stock take-up device 20L is attached to the upper portion of the support shaft 26b so as to be integrally rotatable.

  And although the staring star wheels 19b and 19c provided in the stock source scoring device 20C arranged on the center side mesh with each other, the both staring star wheels 19b and 19c are coaxially above, And it is rotationally driven via the transmission means D which consists of the transmission star wheels 19B and 19C which are provided in a position where the cereal basket does not pass.

  That is, the transmission means D described above is coaxial with the staring star wheel 19b above the right staring star wheel 19b, out of the two staring star wheels 19a and 19b provided in the left stock former scoring device 20L. A transmission star wheel 19B provided in the center and a transmission star wheel 19C provided coaxially with the stirrer star wheel 19c above the central stirrer star wheel 19c provided in the center stock former scoring device 20C. At the same time, both transmission star wheels 19B and 19C meshing with each other are formed in a large diameter wheel having a tooth thickness larger than that of the lower staring star wheels 19b and 19c, and the transmission star wheels 19B and 19C are formed. The driving force is branched to the left and right via the same, and the meshing rate is improved to improve the engagement rate to the staring wheels 19b and 19c. Thereby enabling a constant and power transmission.

  Further, the fourth and fifth scratching star wheels 19d and 19e from the left side are supported by a lateral transmission cylinder 9 constituting the pretreatment frame 2 and a support bracket fixed to the front low rear height with respect to the weed body support frame 11c. 61 is attached. The support bracket 61 includes a vertical (square) pipe 62 having a front end screwed to the herbage support frame 11c so as to have a front, rear, and rear height that is substantially the same inclination as that of the vertical transmission cylinder 8 in a side view. A lower end of a support pipe (not shown) fixed to the lower rear end of the pipe 62 (corresponding to the support pipe 53 of the support bracket 51) is screwed to the horizontal transmission cylinder 9, and the horizontal pipe horizontally installed in the middle part of the vertical pipe 62. A (corner) pipe 64 is provided.

  The support shaft 26d that pivotally supports the stirrer star wheel 19d that meshes adjacent to the right side of the third stirrer star wheel 19c from the left side is located on the inner side of the horizontal pipe 64 that constitutes the support bracket 61 described above. It is rotatably inserted in a fixed cylindrical shaft 27d, and a stir star wheel 19d is fixed to a position below the cylindrical shaft 27d on the support shaft 26d, and a central stock is positioned above the cylindrical shaft 27d. A drive pulley 25 for a take-up belt 18d provided in the original take-up device 20C is attached. Therefore, when the staring star wheel 19c is driven to rotate, the staring star wheel 19d that meshes adjacent to the right side of the staring star wheel 19c is driven to rotate, and the scraping star wheel 19d is positioned above the staring star wheel 19d. The belt 18d is also driven.

  On the other hand, the outermost left staring star wheel 19a that meshes adjacent to the left side of the staring star wheel 19b is rotatably supported by the cylindrical shaft 27a fixed to the pretreatment frame 2 as described above. When the staring star wheel 19b is rotationally driven and supported by the shaft 26a, the staring star wheel 19a meshing with the star wheel 19b is rotationally driven and positioned above the staring star wheel 19a. The take-in belt 18a is also driven.

In addition, as described above, the low level before supporting the stirrer star wheels 19b, 19c, 19d, and 19e and the stirrer belts 18b, 18c, 18d, and 18e constituting the stock former scoring devices 20L, 20R, and 20C. By fixing the rear-high support brackets 51 and 61 to the weed body support frames 11b and 11c and the lateral transmission cylinder 9, one side of the support brackets 51 and 61,
That is, the rear end side can be fixed to the strong lateral transmission cylinder 9 constituting the pretreatment frame 2 and the distance between the supports can be shortened. , 20R, 20C and the driven star wheels 19b, 19c, 19d, 19e, and the generation of vibrations associated with the rotational drive of the driven belts 18b, 18c, 18d, 18e can be reduced.

  Furthermore, the right end (end portion inside the machine body) of the horizontal pipe 54 constituting the support bracket 51 is connected to the transmission cylinder 34 to the central stocker-side converging and conveying apparatus 21 </ b> C erected on the rear vertical transmission cylinder 8. A support stay (round pipe) 55 is provided, so that the support bracket 51 can be more firmly fixed.

  As shown in FIG. 4, the support bracket 51 is attached with a holding rail 71 provided facing the stocker-side converging and conveying apparatus 21 </ b> L on the left side, and the support bracket 61 is provided with a stock arranged at substantially the center of the machine body. A clamping rail 72 provided facing the former-side focusing and conveying apparatus 21C and a clamping rail 73 provided facing the right-side stocking and conveying apparatus 21R are attached.

The principal part side view of a pre-processing part. The principal part top view of a pre-processing part. The principal part side view which shows the structure of a support bracket. The principal part top view of the pre-processing part of the state except each tip side conveying apparatus. The principal part perspective view which shows the structure of a support bracket. The principal part transmission diagram of a pre-processing part.

Explanation of symbols

3 herbaceous body 4 pulling device 6 mowing device 8 vertical transmission cylinder 9 horizontal transmission cylinder 11a herbaceous body support frame 11b herbaceous body support frame 11c herbaceous body support frame 11d herbaceous body support frame 12 horizontal frame 18b Right side take-up belt 18c Left side take-up belt 18d provided in the center stock-source take-up device 18d Right side take-up belt 18e provided in the center stock-source take-up device 18e Left side take-up belt provided in the right stock-source take-up device 19b Right side staring star wheel 19c provided on the left side stock former scoring device 19c Left side staring star wheel provided on the central stock source scavenging device 19d Right side staring star wheel 19e on the right side Left-handed star wheel 20C stock-source scoring device (center)
20L stock former scoring device (left side)
20R stock former scoring device (right side)
21C Stock former side converging conveyor (center)
21L Concentrated conveyor system (left side)
21R Stocking side converging conveyor (right side)
34 Transmission cylinder 51 Support bracket 61 Support bracket B Frame M Confluence

Claims (2)

  A plurality of weed bodies (3) arranged side by side in the left-right direction of the machine body, a pulling device (4) for raising the weed cereal grains provided at the back of each weed body (3), and the back of the pulling device (4) The reaping device (6) provided in the plant, a plurality of culturing devices (20L, 20R, 20C) that squeeze the stock of cereal straw, and the scumming devices (20L, 20R, 20C). A plurality of herbaceous bodies (3) are mounted in a pre-processing section of a combine equipped with a plurality of stock-side converging and transporting devices (21L, 21R, 21C) for converging the stock of cereal rice cake to a confluence (M) A horizontal frame (12) in which herb support frames (11a, 11b, 11c, 11d) to be fixed are provided at predetermined intervals, and left and right herb support frames (11a) fixed to both ends of the horizontal frame (12) are provided. , 11d) at the front end of the longitudinal transmission cylinder (8) constituting the preprocessing frame (2) A frame (B) composed of the horizontal transmission cylinder (9), the horizontal frame (12), and the left and right herbage support frames (11a, 11d) is formed by being connected to the provided horizontal transmission cylinder (9). , Before supporting the stirrer star wheel (19b, 19c, 19d, 19e) and the stirrer belt (18b, 18c, 18d, 18e) constituting each stock source scoring device (20L, 20R, 20C) A pre-processing section for a combine, wherein the rear-high support brackets (51, 61) are fixed to the herbaceous support frame (11b, 11c) and the horizontal transmission cylinder (9).   The pre-processing part of the combine of Claim 1 which connected the support bracket (51) to the transmission cylinder (34) to the center stockholder side focusing conveyance apparatus (21C) standingly arranged in the vertical transmission cylinder (8).

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