JP2011109940A - Combine harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent the reduction of grain-delivering performance in a connecting metal for connecting an unloading device in a grain tank with a vertically grain-lifting device for unloading. <P>SOLUTION: The combine harvester is regulated as follows. A vertical cylinder portion 27 of a connecting member 22 is constituted so as to communicate with a horizontal cylinder portion 26 by a communication port 30 by arranging the axis thereof on one side deviated from the upper part of the axis of the horizontal cylinder portion 26. The rear end of a delivering screw blade 36 of a delivering screw 23 in the horizontal cylinder portion 26 is positioned forward from the center of a grain-lifting screw 28 in the vertical cylinder portion 27 in the plane view. A plurality of throwing out bodies 50 standing in the direction nearly vertical to the axis of the screw rotary shaft 35 is installed on the outer periphery of the screw rotary shaft 35 at the rear side from the rear end of the delivering screw blade 36. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a combine.

  Conventionally, a threshing device is provided above a machine frame provided with a traveling device below, a glen tank is provided on the side of the threshing device, and a drain device for discharging the grains in the glen tank is provided in the glen tank, The end of the discharging device is connected to the horizontal cylinder portion of the connecting member, and the lower cylinder portion of the connecting member is connected to the lower portion of the vertical cerealing device for discharging, and discharged to the upper portion of the vertical cerealing device for discharging. A configuration is known in which the base of the auger is connected, and the connecting member is arranged on one side where the axis of the vertical cylinder is removed from above the axis of the horizontal cylinder and communicates with the communication port (Patent Document 1). reference).

JP 2008-212007 A

The connecting member of the known example has a configuration in which the axis of the vertical cylinder is arranged on one side removed from above the axis of the horizontal cylinder and communicates with the communication port, so that the conveying direction of the grains discharged by the discharging device In the connecting member, since it takes over in the horizontal direction without switching from the horizontal direction to the vertical direction (upward), the pressure to be pushed up is not applied, and the problem of grain damage is being overcome, but the takeover is not good, There is a problem that clogging occurs.
The present invention provides a discharge device with less occurrence of clogging, and is a special contrivance regarding the configuration of the connecting member.

According to the first aspect of the present invention, a threshing device 3 is provided above a body frame 1 provided with a traveling device 2 below, a grain tank 20 is provided on the side of the threshing device 3, and the grain tank 20 includes a grain. A discharge device 21 for discharging the grains in the tank 20 is provided, and the end of the discharge device 21 is connected to the horizontal cylinder portion 26 of the connection member 22, and the vertical cylinder 27 for discharge is disposed in the vertical cylinder portion 27 of the connection member 22. In the case where the lower part of the apparatus 25 is connected and the base of the discharge auger 28 is connected to the upper part of the vertical cerealing apparatus 25 for discharge, the vertical cylinder part 27 has its axial center positioned above the horizontal cylinder part 26. And the rear end of the take-up spiral blade 36 of the take-up spiral 23 in the horizontal cylinder portion 26 in plan view is arranged on one side removed from the communication port 30. 27, located in front of the center of the cerealing helix 28 in 27, the takeover helix 36, the outer periphery of the spiral rotation shaft 35 behind the rear end 36 is provided with a combination of a plurality of protruding bodies 50 standing substantially perpendicular to the axis of the spiral rotation shaft 35. The engine is started, the machine is driven by the traveling device 2, the cereal is harvested by the reaping device 5, and the harvested cereal and the grain are supplied to the threshing device 3 by the transport elevator 14 and threshed and threshed. The cereal grains are temporarily stored in the glen tank 20, and when a certain amount of cereal grains is stored, the discharge device 21 in the glen tank 20 is operated to discharge the grains in the glen tank 20.
The grain discharged and conveyed by the discharge device 21 flows into the horizontal cylinder portion 26 of the connecting member 22 and is transferred by the takeover spiral blade 36. The transferred grain is splashed toward the communication port 30 by the spring 50. It is skipped, flows into the vertical cylinder portion 27 through the communication port 30 and is taken over, and is cerealed by the cerealing spiral 28 of the vertical cerealing device 25 for discharging. Etc. are discharged into a predetermined tank.
The invention according to claim 2 is a combine that is characterized in that each of the protruding bodies 50 is formed in a flat plate shape that stands substantially perpendicular to the axis of the spiral rotation shaft 35, and is a takeover spiral. Compared with the wings 36, the plurality of flat spring bodies 50 are excellent in transferring the grain in the lateral direction, and smoothly take over to the vertical tube portion 27. Further, the plurality of flat-shaped protruding bodies 50 have a weaker transfer force in the axial direction of the horizontal cylindrical portion 26 than the takeover spiral blade 36 and do not clog the grains near the communication port 30.
The invention according to claim 3 is a combine characterized in that each of the projecting bodies 50 is provided by changing the phase of the respective attachment positions with respect to the spiral rotation shaft 35. The grains transferred by the above are continuously splashed toward the communication port 30 by the plurality of spring bodies 50 and flow into the vertical cylinder portion 27.
According to a fourth aspect of the present invention, the first protruding body 50A on the start end side in the transfer direction of the takeover spiral 23 among the plurality of protruding bodies 50 is continuously provided at the end of the takeover spiral blade 36, and the first The fact that the second projecting body 50B is provided by changing the phase by about 120 degrees with respect to the projecting body 50A, and the third projecting body 50C is provided by changing the phase by about 120 degrees with respect to the second projecting body 50B. The first combiner 50A on the start side in the transfer direction of the takeover spiral 23 among the plurality of extractors 50 is a combine that has a feature, and continuously transfers the grains transferred by the takeover spiral blade 36. The second jumping body 50B, which has jumped toward the communication port 30 and changed the phase by about 120 degrees following the first jumping body 50A, jumps off the grains, and about 120 degrees following the second jumping body 50B. Third projecting body 50C with changed phase Skipping bounce grains, first Hanedashi body 50A~ third Hanedashi member 50C is caused to flow in a substantially continuous grain to splash toward the communicating port 30 of the vertical tube portion 27 at the same intervals.

In the first aspect of the invention, since the vertical cylinder part 27 is positioned by shifting the axis inside the horizontal cylinder part 26, damage to the grains during transfer from the horizontal cylinder part 26 to the vertical cylinder part 27 is prevented. The grain that has been transferred by the takeover spiral blade 36 can be restrained and jumped off toward the communication port 30 by the spring 50, so that it can be smoothly and reliably transferred from the horizontal cylinder part 26 to the vertical cylinder part 27. The grain can be discharged smoothly.
In the invention according to claim 2, in addition to the effect of the invention according to claim 1, the grain transfer in the lateral direction of the projecting body 50 is superior to the takeover spiral blade 36. 26, coupled with the fact that the vertical cylinder part 27 is positioned by shifting the axis inside, it is possible to further suppress the grain damage during the transfer from the horizontal cylinder part 26 to the vertical cylinder part 27, In addition, it can be smoothly and reliably transferred from the horizontal tube portion 26 to the vertical tube portion 27.
In the invention according to claim 3, in addition to the effect of the invention according to claim 2, the grains transferred by the takeover spiral blade 36 are continuously directed toward the communication port 30 by the plurality of protruding bodies 50. Since it bounces off, it can be smoothly and reliably transferred from the horizontal tube portion 26 to the vertical tube portion 27.
In the invention according to claim 4, in addition to the effect of the invention according to claim 3, the first protruding body 50A on the transfer direction start end side continues the grain transferred by the takeover spiral blade 36 in the lateral direction. Therefore, the transfer efficiency from the horizontal cylinder part 26 to the vertical cylinder part 27 can be improved, and the subsequent second and third protruding bodies 50B and 50C are substantially omitted. It is possible to continuously skip the grains at the same interval. Therefore, the transfer efficiency from the horizontal cylinder part 26 to the vertical cylinder part 27 can be further improved, and the efficiency of the grain discharging operation can be increased. .

The side view of a combine. The top view of a combine. The side view of a connection metal part. FIG. The same part abbreviation side view. The same part abbreviation rear view. The front view of a takeover spiral. The same side view. The top view of a Glen tank. Sectional drawing of the vicinity of the opening. The same part expanded sectional view. The same part expanded sectional view. The top view of the other Example of a Glen tank. Sectional drawing of the vicinity of the opening. The same part expanded sectional view.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. Reference numeral 1 denotes a so-called general-purpose combine machine frame that throws cereal grains from a harvested field and threshes. A threshing device 3 is provided above 1, and a reaping device 5 is provided in front of the control unit 4.
The reaping device 5 includes a reel 12, a cutting blade 13, and an auger frame 11 constituted by a left and right side wall, a bottom plate positioned below an auger 8, which will be described later, and a left and right side wall and a bottom plate. The auger 8 is provided, and the auger frame 11 is provided with the tip of the transfer elevator 14, and the base of the transfer elevator 14 is connected to the threshing chamber of the threshing device 3. The auger 8 is positioned immediately in front of the control unit 4, and the transport elevator 14 is positioned on the side of the control unit 4.
The reaping device 5 is configured to move up and down together with the transport elevator 14 with the base of the transport elevator 14 as the center of rotation.
At the side of the threshing device 3, a grain tank 20 is provided for temporarily storing the grain threshed by the threshing device 3 by supplying the threshing device 15. In the Glen tank 20, the spiral conveyance type discharge device 21 which discharges the grain in the Glen tank 20 is provided (FIG. 2). The terminal end of the discharge device 21 faces the connection metal 22 provided on the body frame 1.

Although not shown, the Glen tank 20 is configured to be rotatable around an arbitrary rotation fulcrum at the rear of the Glen tank 20, and the end of the discharge device 21 is connected to a takeover spiral 23 provided in the connection metal 22. The part 24 is detachably engaged by so-called coupling joining.
The connecting metal (connecting member) 22 connects the discharging device 21 and the vertical vertical cerealing device 25 for discharging. The connecting metal (connecting member) 22 has a substantially the same diameter in the vertical direction on the side of the horizontal cylinder portion 26 for takeover in the front-rear direction. A vertical cylinder part 27 for cereals is provided. The horizontal cylinder part 26 faces the end of the discharge device 21 of the grain tank 20, and the vertical cylinder part 27 faces the lower part of the whipping spiral 28 of the vertical cerealing apparatus 25 for discharge. Is positioned below the center of the takeover spiral 23 (FIG. 6). Reference numeral 29 denotes a cereal cylinder of the vertical cerealing device 25 for discharge connected to the upper part of the vertical cylinder part 27.
The vertical cylinder portion 27 is arranged on one side of the horizontal cylinder portion 26 from the upper side of the horizontal cylinder portion 26 and communicates with the horizontal cylinder portion 26 through the communication port 30 (FIG. 4). The grain conveyed to the horizontal cylinder part 26 by the discharge device 21 and the takeover spiral 23 flows into the vertical cylinder part 27 from the communication port 30 and is cerealed by the vertical vertical cerealing apparatus 25 for discharge. 31 is a discharge auger provided on the upper part of the vertical lifting cerealing device 25 so as to be rotatable. The tip of the discharge auger 31 is configured to move up and down with respect to the vertical cerealing device 25 for discharging.
Reference numeral 32 denotes a lid member provided in the horizontal cylinder portion 26, and 33 denotes a fastening member.

The take-up spiral 23 is provided with a take-up spiral blade 36 on the outer periphery of the spiral rotation shaft 35, the rear end of the spiral rotation shaft 35 protrudes rearward from the rear portion of the horizontal tube portion 26, and the rear portion of the spiral rotation shaft 35 is from the engine. An input pulley 37 is provided to receive the rotation of (Fig. 5). A bevel gear 38 is provided on the spiral rotation shaft 35 on the front side of the input pulley 37, and a bevel gear 40 provided on the transmission shaft 39 is engaged. A transmission gear 41 is provided below the transmission shaft 39, and a chain 44 is wound around the transmission gear 41 between the transmission gear 43 of the cerealing helix 28 and the cerealing shaft 42.
Therefore, the rotation from the engine inputted to the input pulley 37 is transmitted to the discharge device 21 of the Glen tank 20 via the takeover spiral 23, and the rotation of the helical rotation shaft 35 of the takeover spiral 23 is the vertical cerealing device for discharge. It is transmitted to 25 threshing spirals 28.
The rear end of the take-up spiral blade 36 of the take-up spiral 23 is positioned in front of the center of the cerealing helix 28 in a plan view (FIG. 5). A plurality of protruding bodies 50 are provided that stand substantially perpendicular to the axis of the spiral rotation shaft 35.

Since the plurality of projecting bodies 50 stand substantially perpendicular to the axis of the spiral rotation shaft 35, it is superior in transferring grains in the lateral direction as compared to the take-up spiral blade 36, and is connected to the vertical cylinder portion 27. Easy takeover and good takeover.
Further, since the projecting body 50 is less fed in the axial direction of the horizontal cylindrical portion 26 than the take-up spiral blade 36, the occurrence of clogging of the grains near the communication port 30 is suppressed.
Moreover, when the fastening member 33 of the lid member 32 provided in the horizontal cylinder part 26 is removed and the lid member 32 is removed from the horizontal cylinder part 26, the discharge auger 31 and the vertical vertical cerealing device 25 for discharge are clogged. Sometimes it is possible to remove and discharge kernels.
The plural projecting bodies 50 are provided by changing the phase of the mounting position.
That is, one first spring 50A among the plurality of springs 50 is connected to the rear end of the takeover spiral blade 36, and the phase of the second spring 50A is changed by about 120 degrees with respect to the first spring 50A. A body 50B is provided, and a third spring body 50C is provided with a phase difference of about 120 degrees with respect to the second spring body 50B (see FIG. 7 and the like).

Therefore, since each springing body 50 sends the grain toward the communication port 30, the takeover performance is improved.
An inspection opening 54 is provided in the top plate 53 of the Glen tank 20. An attachment frame 55 is provided on the top surface of the top plate 53 around the inspection opening 54, and a lid member 56 is attached to the attachment frame 55. The lid member 56 is rotatably attached to the attachment frame 55 by a hinge 57. 58 is an engaging pin, and 59 is an engaging member that is elastically deformed and engages with the engaging pin 58.
At least a reinforcing member 60 is provided below the mounting frame 55.
Therefore, since the reinforcing member 60 is provided below the mounting frame 55, the top plate 53 around the inspection opening 54 is prevented from being deformed, and rainwater intrudes into the glen tank 20 due to the deformation of the top plate 53. To prevent.

Further, the mounting frame 55 is formed one step higher than the top surface of the top plate 53, and the mounting frame 55 is covered with the lid member 56, so that rainwater can be prevented from entering the glen tank 20.
The reinforcing members 60 are arranged on both the left and right sides of the inspection opening 54, and the reinforcing members 60 on both the left and right sides are connected to and supported by the reinforcing members 60 in the front-rear direction so that the supporting strength is improved. In this case, the lid member 56 is provided with a lid-side downward wall 61 protruding downward, and the lid-side downward wall 61 and the upward vertical plate portion 65 of the reinforcing member 60 are arranged so as to overlap each other in a side view. The rainwater or the like is prevented from entering the Glen tank 20 from the inspection opening 54 (FIGS. 11 and 12).
Further, the lid member 56 is provided with a lid-side downward wall 61 protruding downward, and the attachment frame 55 and the reinforcing member 60 have the flange portion 62 of the attachment frame 55 located at a position outside the lid-side downward wall 61, The downward wall 61 and the flange portion 62 are arranged so as to overlap in the vertical direction in a side view, and prevent rainwater and the like from entering the Glen tank 20 from the inspection opening 54 (FIGS. 11 and 12).

Therefore, the intrusion of rainwater from the inspection opening 54 into the Glen tank 20 is blocked by the upward vertical plate portion 65 of the reinforcing member 60.
In FIG. 12, the mounting frame 55 and the reinforcing member 60 are arranged vertically with the top plate 53 interposed therebetween, and are fastened and fixed together with bolts 66.
Therefore, the mounting frame 55 and the reinforcing member 60 are connected to improve the support strength of the top plate 53, prevent deformation due to the operator getting on the top plate 53, and the operator gets on the top plate 53. Enable.
The attachment frame 55 is detachably attached to the top plate 53 by bolts 66.
Therefore, the mounting frame 55 itself can be removed from the top plate 53, and maintenance work is facilitated.
A peripheral reinforcing member 69 is provided on the top plate 53 around the inspection opening 54.
Therefore, the support strength of the top plate 53 is improved, deformation due to the operator getting on the top plate 53 is prevented, and the operator can get on the top plate 53.

The arrangement of the peripheral reinforcing member 69 is arbitrary, but the inspection opening 54 is formed in a vertically long rectangular shape, and the front and rear, left and right reinforcing members 60 of the inspection opening 54 are connected by the front and rear reinforcing members 60, A peripheral reinforcing member 69 is provided on the front side of the reinforcing member 60, a peripheral reinforcing member 69 is provided on the rear side of the rear reinforcing member 60, and a single peripheral reinforcing member 69 is further provided outside the reinforcing member 60 in the front-rear direction. Yes.
13 to 15 show another embodiment of the inspection opening 54. A flange portion 70 is formed on the inspection opening 54 around the top plate 53 so as to stand upward. The portion 70 is provided with a U-shaped lid member 56 facing downward from above.
The lid member 56 is formed by forming a downward peripheral wall 72 on the lid top plate member 71, and the peripheral wall 72 and the flange portion 70 are overlapped in a side view, and the inspection wall is opened by the peripheral wall 72 and the flange portion 70. Intrusion of rainwater from the part 54 into the Glen tank 20 is prevented.
An inner attachment frame 76 is provided on the lower surface of the top plate 53 around the inspection opening 54, and an engagement pin 58 that engages an engagement member 59 provided on the lid member 56 is provided on the inner attachment frame 76.

A pair of front and rear engagement pins 58 and engagement members 59 are provided on both the left and right sides. A lid member 56 is detachably attached to the top plate 53, and the lid member 56 is removed to open the inspection opening 54.
Therefore, the engagement member 59 can be detached from the engagement pin 58 and the inspection opening 54 can be opened by removing the lid member 56 by one-touch operation of lifting the lid member 56 without using a tool or removing a bolt. The opening operation of the inspection opening 54 is facilitated.
The engaging member 59 provided on the lid member 56 is provided on the lid frame 75 of the lid member 56.
A pair of grips 77 are provided on the upper surface of the lid member 56.
Therefore, the lid member 56 can be easily removed.
A pair of left and right inner mounting frames 76 are provided, and a reinforcing member 78 in the front-rear direction is fixed to the outside of the inner mounting frame 76, and is connected to both front and rear ends of the reinforcing member 78 by a left-right reinforcing member 78.
Therefore, the support strength of the top plate 53 is improved, deformation due to the operator getting on the top plate 53 is prevented, and the operator can get on the top plate 53.

  The reinforcing member 78 may be arranged arbitrarily, but the inspection opening 54 is formed in a vertically long rectangular shape, and the front and rear reinforcing members 78 of the inspection opening 54 are connected by the front and rear reinforcing members 78, and the front side A reinforcing member 78 is provided on the front side of the reinforcing member 78, a pair of reinforcing members 78 is provided on the rear side of the rear reinforcing member 60, and one peripheral reinforcing member 69 is further provided outside the reinforcing member 78 in the front-rear direction. Yes.

(Operation of Example)
When the machine is driven by the traveling device 2, the reel 12 rotates, scrapes the uncut shears, harvests the scraped grains with the cutting blades 13, and collects the harvested grains and grains by the rotating auger 8. Then, it is supplied into the transport elevator 14 and supplied to the threshing device 3 by the transport elevator 14 and threshed.
The threshed grain is temporarily stored in the Glen tank 20 and when a certain amount is stored, the discharge device 21 in the Glen tank 20 is operated to discharge the grain in the Glen tank 20. The grain conveyed by the discharge device 21 flows into the horizontal cylinder part 26 of the connection metal 22, and the grain that has flowed into the horizontal cylinder part 26 passes from the horizontal cylinder part 26 to the vertical cylinder part through the communication port 30 of the connection metal 22. 27, the grain that has flowed into the vertical cylinder portion 27 is cerealed by the cerealing helix 28 of the vertical cerealing device 25 for discharge, and the cerealed grain is given to a predetermined truck such as a light truck by the discharge auger. Discharged into the tank.

The rear end of the take-up spiral blade 36 of the take-up spiral 23 is located in front of the center of the cerealing helix 28 in plan view, and the outer periphery of the spiral rotary shaft 35 behind the rear end of the take-up spiral blade 36 Since a plurality of jumping bodies 50 standing substantially perpendicular to the shaft center are provided, the grains transferred by the takeover spiral blades 36 are handed over to the vertical cylinder portion 27 through the communication port 30 by the jumping bodies 50. The cereals are whipped by the whipping spiral 28 of the vertical cerealing device 25 for discharge.
In this case, since a plurality of the projecting bodies 50 are provided on the outer periphery of the spiral rotating shaft 35, it is preferable to continuously eject the grains toward the communication port 30 and take over to the vertical cylinder portion 27. To.
Further, since the plurality of projecting bodies 50 are formed in a flat plate shape with respect to the axial center of the helical rotation shaft 35 as compared with the take-up spiral blade 36, they are excellent in grain transfer in the lateral direction, and the vertical cylinder portion 27. It is easy to take over, and the takeover can be improved.

Further, since the projecting body 50 is less fed in the axial direction of the horizontal cylindrical portion 26 than the take-up spiral blade 36, the occurrence of clogging of the grains near the communication port 30 is suppressed.
Since the plurality of projecting bodies 50 are provided by changing the phase of the mounting positions, the continuous function of projecting the grains toward the communication port 30 is satisfactorily performed, and the transfer to the vertical cylinder portion 27 is excellent. To.
Each of the above-described embodiments is illustrated and described separately or mixed for easy understanding. However, these embodiments can be combined in various ways, and these expressions can be used for configuration and operation. However, there is a case where a synergistic effect is obtained.

  DESCRIPTION OF SYMBOLS 1 ... Frame, 2 ... Traveling device, 3 ... Threshing device, 4 ... Steering part, 5 ... Cutting device, 8 ... Auger, 11 ... Auger frame, 12 ... Reel, 13 ... Cutting blade, 14 ... Conveying elevator, 15 ... Lifting Grain device, 20 ... Glen tank, 21 ... Discharge device, 22 ... Connection metal (connection member), 23 ... Takeover spiral, 24 ... Connection part, 25 ... Vertical cerealing device for discharge, 26 ... Horizontal cylinder part, 27 ... Vertical Cylinder part, 28 ... cerealing spiral, 29 ... cerealing cylinder, 30 ... communication port, 31 ... discharge auger, 35 ... spiral rotating shaft, 36 ... takeover spiral blade, 37 ... input pulley, 38 ... bevel gear, 39 ... transmission Shaft, 40 ... Bevel gear, 41 ... Transmission gear, 42 ... Grain shaft, 43 ... Transmission gear, 44 ... Chain, 50 ... Spring body, 50A ... First spring body, 50B ... Second spring body, 50C ... third projecting body, 53 ... top plate, 54 ... opening for inspection, 55 Mounting frame, 56 ... lid member, 57 ... hinge, 58 ... engaging pin, 59 ... engaging member, 60 ... reinforcing member, 62 ... flange portion, 66 ... bolt, 70 ... flange portion, 71 ... lid top plate member, 72 ... peripheral wall, 77 ... grip, 78 ... reinforcing member.

Claims (4)

A threshing device (3) is provided above the machine frame (1) provided with a traveling device (2) below, a Glen tank (20) is provided on the side of the threshing device (3), and the Glen tank (20). Inside, a discharge device (21) for discharging the grain in the Glen tank (20) is provided, and the end of the discharge device (21) is connected to the horizontal tube portion (26) of the connection member (22), and the connection The lower part of the vertical cerealing device for discharge (25) is connected to the vertical cylinder part (27) of the member (22), and the base of the discharge auger (28) is connected to the upper part of the vertical cerealing device for discharge (25). In this case, the vertical cylinder part (27) is arranged on one side of the horizontal cylinder part (26) removed from above the axial center of the horizontal cylinder part (26), and the horizontal cylinder part (26) is formed by a communication port (30). The rear end of the takeover spiral blade (36) of the takeover spiral (23) in the horizontal tube portion (26) is in plan view. A spiral rotation shaft is positioned on the outer periphery of the spiral rotation shaft (35) positioned at the front side of the center of the cereal helix (28) in the vertical cylinder portion (27) and behind the rear end of the takeover spiral blade (36). A combine provided with a plurality of projecting bodies (50) standing substantially perpendicular to the axis of (35). 2. The combine according to claim 1, wherein each of the projecting bodies (50) is formed in a flat plate shape that stands substantially perpendicular to the axis of the helical rotation shaft (35). 3. The combine according to claim 2, wherein each of the projecting bodies (50) is provided by changing the phase of the respective attachment positions with respect to the spiral rotation shaft (35). 4. The first spring body (50 </ b> A) on the transfer direction start end side of the takeover spiral (23) of the plurality of spring bodies (50) is continuously connected to an end of the takeover spiral blade (36). Provide a second projecting body (50B) by changing the phase by about 120 degrees with respect to the first projecting body (50A), and change a phase by about 120 degrees with respect to the second projecting body (50B). A combine characterized by providing a third projecting body (50C).

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