JP2017112973A - Combine-harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a longitudinal conveyance part firmly supported against the load of a lateral conveyance part in a combine-harvester, the combine-harvester including a grain discharge apparatus which discharges the grain stored in a grain tank to outside the machine and is provided with the longitudinal conveyance part and the lateral conveyance part, wherein the grain discharge apparatus can rotate over a discharge position in which the lateral conveyance part extends to the outside of the machine body and a retracted position in which the lateral conveyance part is retracted inside the machine body and positioned above the grain tank.SOLUTION: An L-shaped connection case 23 is provided which is connected to a lower end portion of a grain tank 12. A longitudinal conveyance part 41 is provided which is connected to the connection case 23 and extends upward. A longitudinal frame 95 is provided which extends along a vertical direction of the machine body, resting on the longitudinal conveyance part 41, to thereby support the longitudinal conveyance part 41. A lower portion of the longitudinal frame 95 is supported by the connection case 23, and the longitudinal conveyance part 41 is supported by an upper portion of the longitudinal frame 95.SELECTED DRAWING: Figure 14

Description

  The present invention relates to a combiner, more specifically, a threshing device for threshing a harvested cereal harvested by a reaping unit, a grain tank for storing the grain obtained by the threshing device, and the grain tank. The present invention relates to a combine equipped with a grain discharging device that discharges the dried grain to the outside of the machine.

  In the above-described combine, an L-shaped connection case connected to the lower end of the grain tank is provided, the grain discharging device is connected to the connection case and extends upward, and the vertical transport unit And a horizontal transport unit that is connected to the upper end and extends in the horizontal direction and has a discharge port at the front end. There are some which can be swung between a protruding discharge posture and a storage posture in which the lateral conveyance unit is stored inside the machine body and located above the grain tank. This is because the kernel of the grain tank can be discharged to a supply destination such as a carrier bed located outside the fuselage by setting the grain discharging device to the discharging posture. By doing so, the lateral conveyance section can be stored inside the machine body.

  Conventionally, in this type of combine, a vertical auger (corresponding to a vertical transport unit) is supported by a vertical frame erected on a machine frame and a vertical auger is supported by a glen tank, as shown in Patent Document 1, for example. There was something to be done. In the one disclosed in Patent Document 1, a first vertical frame and a second vertical frame are erected on the body frame, a horizontal frame is installed between the first vertical frame and the second vertical frame, A first attachment member is provided on the upper portion. A second mounting member that rotatably holds an intermediate portion of the vertical auger is provided on the first mounting member. Moreover, the 3rd attachment member which hold | maintains the upper part of a vertical auger rotatably is provided in the glen tank.

JP 2010-166885 A

  When the conventional support structure is adopted, the vertical frame is erected on the machine frame, so the vertical frame tends to be separated from the vertical conveyance unit, and the overhang length of the support member that protrudes from the vertical frame and forms the vertical conveyance unit is long. Therefore, it is difficult to obtain a sufficient support effect, such as it is difficult to suppress the shaking of the vertical conveyance unit. Moreover, since the other end side of the support member which supports a vertical conveyance part by one end side is connected with a grain tank, it is easy to arise that it is necessary to give sufficient reinforcement to a grain tank.

  The present invention provides a combine that is easy to firmly support a vertical conveyance unit.

The combine according to the present invention is:
A threshing device for threshing the harvested cereals harvested by the reaping unit, a grain tank for storing the grain obtained by the threshing device, and discharging the grain stored in the grain tank to the outside of the machine A grain discharging device,
An L-shaped connection case connected to the lower end of the grain tank is provided,
A vertical conveying unit connected to the connection case and extending upward in the grain discharging device, a horizontal conveying unit connected to the upper end of the vertical conveying unit and extending in the horizontal direction, and having a discharge port at the tip. With
The grain discharging device includes a discharging posture in which the horizontal conveying unit projects to the outside of the machine body with the axial center of the vertical conveying unit as a turning center, and the horizontal conveying unit is stored inside the machine body so as to be above the grain tank. Can be swung over the retracted position located at
A vertical frame is provided that extends along the vertical direction of the machine body in a state of snuggling up to the vertical conveyance unit and supports the vertical conveyance unit,
The lower part of the vertical frame is supported by the connection case, and the vertical transport unit is supported by the upper part of the vertical frame.

  According to this configuration, since the vertical frame is supported by the connection case, the vertical conveyance unit can be supported by the vertical frame from a location close to the vertical conveyance unit, and a high support effect can be obtained. Since the vertical frame is supported by the strong connection case by connecting the lower end portion of the grain tank and the vertical conveyance unit and supporting the vertical conveyance unit, the vertical frame can be firmly supported.

  Therefore, the vertical conveyance unit can be firmly supported by the vertical frame against the load of the horizontal conveyance unit extending in the horizontal direction from the upper end of the vertical conveyance unit, and the grain discharging device can be smoothly turned. Moreover, the outlet can be stably positioned above the supply destination, and it is easy to supply the grain. Since the vertical conveyance unit is supported by the vertical frame from a position close to the vertical conveyance unit, it is possible to reduce the size of the support member extending between the vertical frame and the vertical conveyance unit.

  In the present invention, the vertical frame includes a first vertical frame, and the first vertical frame includes the discharge port when the grain discharge device is in the retracted position with respect to the vertical conveyance unit. Is preferably provided at the opposite position.

  According to this configuration, when the grain discharging device is turned to the retracted position, the horizontal conveyance unit extends from the vertical conveyance unit in the extended state positioned inside the machine body, and the load of the horizontal conveyance unit in the extended state is Hanging on the vertical transfer section. At this time, since the first vertical frame is located on the side opposite to the side where the discharge port is located with respect to the vertical conveyance unit, that is, on the extension line of the horizontal conveyance unit, the first vertical frame efficiently loads the load of the horizontal conveyance unit. It can be received well, and the grain discharging device can be effectively prevented from being tilted by the load of the lateral conveying section.

  In this invention, the said vertical frame is equipped with the 2nd vertical frame, and the said 2nd vertical frame is the said discharge port when the said grain discharge apparatus becomes the said discharge attitude | position with respect to the said vertical conveyance part. Is preferably provided at the opposite position.

  According to this configuration, when the grain discharging device is turned to the discharging posture, the horizontal conveyance unit extends from the vertical conveyance unit in the extended state toward the outside of the machine body, and the load of the horizontal conveyance unit in the extended state is vertical. Hang on the transport section. At this time, since the second vertical frame is located on the opposite side to the side where the discharge port is located with respect to the vertical conveyance unit, the second vertical frame efficiently receives the load of the horizontal conveyance unit, and the grain discharging device is It is possible to effectively prevent tilting due to the load of the transport unit.

  In the present invention, a connection frame that connects the first vertical frame and the second vertical frame is provided, and the connection frame is provided at a position opposite to the trajectory of the discharge port with respect to the vertical conveyance unit. Preferably.

  According to this configuration, the connecting frame distributes the load of the horizontal conveyance unit when the grain discharging device is swiveling to the first vertical frame and the second vertical frame, and the load of the horizontal conveyance unit is the first vertical frame. Received with the second vertical frame. Further, since the first vertical frame and the second vertical frame are connected by the connecting frame, the vertical frame structure is strong.

  In the present invention, it comprises a support frame connected to the second vertical frame, the support frame from the second vertical frame is the discharge port when the grain discharging device is in the discharge posture It is preferable to extend toward the opposite side and to be connected to a fixed portion supported by the airframe.

  According to this structure, in order to support the 2nd vertical frame which supports a vertical conveyance part by a support frame, it can be supported in the state which opposes the support reaction force concerning a 2nd vertical frame effectively. That is, the second vertical frame can be firmly reinforced by the support frame, and the vertical conveyance unit can be more firmly supported by the second vertical frame.

  In the present invention, the tank frame body that supports the grain tank and the threshing device are provided in the body frame in a state of being arranged in the lateral direction of the body, and the grain tank is disposed above the tank frame body and the threshing device. The support frame is erected from the tank frame body, the extending end of the support frame is connected to the threshing device, and the middle part of the support frame is the support frame It is preferable that it is supported by.

  According to this configuration, since the support frame is supported by the support frame that is stably supported by the tank frame body having a strong structure and the threshing device having a strong structure, the support frame can be stably supported. Since the second vertical frame can be supported by the support frame that is stably supported, the second vertical frame can be firmly reinforced by the support frame, and the vertical conveyance unit is supported by the second vertical frame against the load of the horizontal conveyance unit. However, it can be supported firmly.

  In the present invention, there is provided a hydraulic cylinder that is connected in a horizontal posture across the vertical conveyance unit and the machine body side, and that rotates the grain discharging device by expansion and contraction, and one end side of the hydraulic cylinder is provided with the vertical conveyance It is preferable that it is connected to the outer peripheral part of the part.

  According to this configuration, the swivel structure can be configured easily and at a lower cost than when a swivel structure using a motor is employed. Since the hydraulic cylinder acts on the outer peripheral part of the vertical conveying unit in a horizontal posture to turn the grain discharging device, it can be twisted between the hydraulic cylinder and the vertical conveying unit or between the hydraulic cylinder and the machine body side. It does not occur and the grain discharging device can be turned smoothly.

  In the present invention, there is provided a hydraulic cylinder that is connected in a horizontal posture across the vertical conveyance unit and the machine body side, and that rotates the grain discharging device by expansion and contraction, and one end side of the hydraulic cylinder is provided with the vertical conveyance Preferably, the other end of the hydraulic cylinder is supported by the support frame.

  According to this configuration, the hydraulic cylinder can be firmly supported by the support frame against the turning operation reaction force, and the grain discharging apparatus can be smoothly turned.

  In the present invention, the upper surface of the grain tank is provided with a holding part that holds the horizontal conveying part from below when the grain discharging device is swung to the retracted posture. A pair of upward bent protrusions sandwiching the conveying part from both sides is provided, and is configured by a leaf spring that exerts an upward biasing force, and the holding part has one of the upward bent protrusions on the free end side. In the state where the other upward bending protrusion of the holding part is supported by the grain tank and the grain discharging device turns from the retracted position to the discharging position. And when turning to the retracted position, it is preferable that the lateral conveying portion presses the one upward bent protrusion downward and the free end side of the holding portion is swung down.

  According to this configuration, when the grain discharging device is turned toward the retracted position, the pair of upward bent protrusions while the horizontal conveying portion presses one upward bent protrusion downward and elastically deforms the holding portion. Move between. When the grain unloading device is in the retracted posture, the lateral conveyance unit is positioned between the pair of upward bending protrusions and is sandwiched by the pair of upward bending protrusions from both sides. When the grain discharging device is swung from the retracted posture, the lateral conveyance unit presses one of the upward bending protrusions downward to elastically deform the holding part, and comes out between the pair of upward bending protrusions.

  When the grain discharging device is set in the retracted posture, the lateral conveyance unit is sandwiched between the pair of upward bending protrusions, and therefore, the movement of the lateral conveyance unit can be prevented or suppressed. When changing the posture of the grain discharging device to the retracted posture and the discharging posture, the horizontal conveying portion elastically deforms the holding portion and enters between the pair of upward bending protrusions, or between the pair of upward bending protrusions. Since it goes out, there is no need to take any special operation effort to actuate or release the holding part.

  In the present invention, the grain discharging device is configured to perform only horizontal turning, and includes a shutter that can open and close the discharge port, and a biasing mechanism that biases the shutter to a closed posture, When the grain is discharged, the shutter is preferably switched to an open posture by the grain conveying pressure.

  According to this configuration, when the grain discharging device is turned to the discharging posture or turned to the retracted posture, the shutter is switched to the closed posture by the urging mechanism, so that even if the grain remains in the lateral conveyance unit The shutter can prevent the grain from spilling out from the outlet due to only the horizontal turning of the grain discharging device or vibration. And when discharging | emitting a grain, since a grain opens a shutter with a conveyance pressure, it switches to an attitude | position, and it comes out from a discharge port, the special effort which opens a shutter is unnecessary and is easy.

  In the present invention, a bottom screw for discharging the grain from the grain tank is provided at a lower end portion inside the grain tank, and the grain tank has a screw axis of the bottom screw as a swing center. It is preferable that the rocker is supported so as to be able to swing up and down over the descending and storing posture and the rising and discharging posture.

  According to this configuration, by setting the grain tank to the ascending discharge posture, the grain located in the part opposite to the side where the bottom screw is located in the grain tank can be naturally flowed down to the bottom screw side. . Therefore, the grain in the tank can be discharged almost completely when the grain is discharged.

It is a right view which shows the whole combine. It is a top view which shows the whole combine. It is a side view which shows a grain discharge apparatus and an engine guard. It is a front view which shows a grain tank. It is a perspective view which shows the tank frame body of the state which removed the grain tank and the connection case. It is a perspective view which shows a flow-down guide. It is a perspective view which shows the flow guide installation structure in a disassembled state. It is a longitudinal cross-sectional view which shows a shutter. It is explanatory drawing which shows the shutter of a close attitude | position. It is a vertical side view which shows a connection case. It is a front view showing a power transmission mechanism and a retaining device. It is a top view which shows a hydraulic cylinder. It is a perspective view which shows the vertical frame of a decomposition | disassembly state. It is a front view which shows a hydraulic cylinder and a vertical frame. It is a side view which shows the grain discharge apparatus of the state which removed the power transmission mechanism. It is a top view which shows a vertical frame. It is a perspective view which shows an engine guard. It is a top view which shows an engine guard.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
The combine which concerns on the Example of this invention is demonstrated. FIG. 1 is a right side view showing the entire combine. FIG. 2 is a plan view showing the entire combine. 1 and 2, the direction [F] is the front side of the traveling aircraft body, the direction [B] is the rear side of the traveling aircraft body, the direction [L] is the left side of the traveling aircraft body, and the direction [R] is the traveling aircraft body. It is defined as the right side.

As shown in FIGS. 1 and 2, the combine includes a traveling machine body 4 in which a body frame 1 is equipped with a pair of left and right front wheels 2 and a pair of left and right rear wheels 3. An engine 5 is provided at a portion between the front wheel 2 and the rear wheel 3 of the traveling machine body 4. The traveling machine body 4 is driven by the driving force transmitted from the engine 5 to the traveling mission 6, and the left and right front wheels 2 are driven by the traveling mission 6. A boarding type driving unit 7 is provided at the front of the traveling machine body 4. The driving unit 7 includes a cabin 8 that covers the boarding space. The cutting part 9 is connected to the front part of the traveling machine body 4 so as to be swingable up and down. The mowing unit 9 is lifted and lowered by the lifting cylinder 10 over a lowering working posture in a state of being located near the ground and a rising non-working posture in a state of being away from the ground. A threshing device 11 and a grain tank 12 are provided at the rear of the traveling machine body 4. A feeder 13 is provided across the front part of the threshing device 11 and the rear part of the reaping part 9.

  In this combine, harvesting work such as rice and wheat can be performed by running the traveling machine body 4 in a state in which the cutting unit 9 is in the lowered working posture. That is, the cutting unit 9 cuts the planted cereal stock by the clipper-type reaping device 9a to harvest the planted cereal. The whole of the harvested cereal culm from the stock to the tip is conveyed to the feeder 13 by the lateral feed drum 9 b and supplied to the threshing device 11 by the feeder 13. The threshing device 11 obtains a grain by performing a threshing process by a handling cylinder (not shown) that rotates the harvested cereal basket. The grain obtained by the threshing device 11 is transported to the grain tank 12 by the whipping device 14 and stored in the grain tank 12.

  As shown in FIGS. 3, 4, and 5, a tank frame body 15 is erected on the machine body frame 1 in a state where the tank frame body 15 is aligned with the threshing device 11 in the machine body lateral direction. In the present embodiment, the tank frame body 15 is located on the right side of the machine body of the threshing device 11. The tank frame body 15 includes a plurality of support frames 16 and an upper frame 17. The plurality of support frames 16 are erected on the body frame 1 in a state where they are arranged at intervals in the longitudinal direction of the body. As shown in FIG. 5, the upper frame 17 includes a first upper frame portion 17a and a plurality of second upper frame portions 17b. The first upper frame portion 117 a is a frame portion that extends in the longitudinal direction of the machine body, and is connected to the upper portions of the plurality of support frame 16. The plurality of second upper frame portions 17b extend from the plurality of locations in the front-rear direction of the body of the first upper frame portion 17a in the lateral direction of the body, and extend to the side walls of the threshing device 11 at the lateral side. It is connected. The upper part of the tank frame body 15 is connected to the threshing device 11 by the upper frame 17. An intermediate position in the vertical direction of the frontmost support frame 16 among the plurality of support frames 16 and the side wall on the inner side of the machine body of the threshing device 11 are connected by a front connection frame 18.

  As shown in FIG. 4, the grain tank 12 is disposed over the tank frame body 15 and the threshing device 11. As shown in FIGS. 3, 5 and 6, a bottom screw 19 is provided at the lower end 12 a inside the grain tank 12. A discharge port 20 communicating with the lower end portion 12 a is formed in the front wall portion 12 f of the grain tank 12. A cylindrical connecting portion 21 protrudes forward from the front wall portion 12 f of the grain tank 12. The connecting portion 21 is located on the outer periphery of the discharge port 20. A support shaft 22 protrudes rearward from the rear wall 12r of the grain tank 12.

  As shown in FIGS. 3 and 10, the connection case 23 is supported by the front end of the upper frame 17 on the front side of the grain tank 12. Specifically, a connecting seat portion 23 a is integrally formed at the lower end portion of the connection case 23. The connecting seat portion 23a is fixed to the front end portion of the first upper frame portion 17a and the foremost second upper frame portion 17b by connecting bolts. The connection case 23 is L-shaped and has a cylindrical first case part 23b having an axial core extending in the longitudinal direction of the machine body and a cylindrical second case part 23c having an axial core extending in the vertical direction of the machine body. And. The first case part 23b opens rearward. The second case portion 23c opens upward. The connection case 23 is manufactured by casting throughout. The connecting portion 21 is fitted to the inner peripheral portion of the rear end portion of the first case portion 23 b and is supported by the connection case 23 so as to be relatively rotatable.

  On the rear side of the grain tank 12, as shown in FIG. 3, a support member 24 projects upward from the second upper frame portion 17b. The support shaft 22 is supported on the upper end portion of the support member 24 so as to be relatively rotatable.

  The grain tank 12 is supported by the tank frame body 15 so that it can swing up and down about an axis P extending in the longitudinal direction of the machine body of the bottom screw 19. A tank raising / lowering cylinder 25 (see FIGS. 3 and 5) is connected to one column frame 16 among the plurality of column frames 16 and the lower part of the grain tank 12. The tank elevating cylinder 25 is constituted by a hydraulic cylinder. The grain tank 12 can be lifted / lowered by the tank lifting / lowering cylinder 25 over the lowered storage posture and the rising / lowering posture with the axis P as the swinging lift center.

  When the grain tank 12 is in the lowered storage posture, the grain tank 12 is in a state where the left end side is lowered near the upper end of the threshing device 11, and the supply port of the grain tank 12 and the discharge port of the cerealing device 14 are connected. The grain supplied by the cerealing device 14 can be stored in the grain tank 12. When the grain tank 12 is in the ascending discharge posture, the grain tank 12 is in an inclined state in which the left end side rises from the lower end 12a, and the stored grain is moved to the lower end 12a by natural flow to the bottom screw 19. Can supply.

  As shown in FIGS. 4 and 6, a flow guide 28 is provided inside the grain tank 12. The flow guide 28 is located above the bottom screw 19. The flow down guide 28 guides the grain to flow down into the lateral sides of the bottom screw 19 by the left and right inclined guide portions 28a. The flow down guide 28 regulates the flow amount of the grain by the gap between the inclined guide portion 28a and the tank wall so that a large amount of the grain does not flow down to the bottom screw 19 at a stretch.

  A plurality of notches 29 arranged at intervals in the front-rear direction of the grain tank 12 are provided at the lower ends of the left and right inclined guide portions 28a. A reinforcing frame 30 is provided on the inner surface of the grain tank wall. By allowing the reinforcing frame 30 to enter the notch 29, the size of the gap between the tip of the inclined guide portion 28a and the tank wall is set to a size for restricting the amount of grain flow to a predetermined amount. .

  As shown in FIG. 7, the distal end portion 28b of the inclined guide portion 28a is tightened and connected to the base end portion by a connecting bolt. A bolt hole 28c of the tip 28b is formed as a long hole. By changing the attachment position of the distal end portion 28b to the proximal end portion according to the elongated hole shape of the bolt hole 28c, the length of the distal end portion 28b protruding from the proximal end portion can be adjusted, and the distal end of the inclined guide portion 28a and the tank wall The gap between and can be adjusted widely or narrowly.

  The front end side and the rear end side of the flow guide 28 are connected to the front wall portion 12f or the rear wall portion 12r of the grain tank 12 based on the mounting structure shown in FIGS. That is, the mounting plate 31 is fixed to the end of the support shaft 28d of the flow guide 28. A fixed plate 32 is attached to the support shaft 28d from above by a notch 32a inside the grain tank from the mounting plate 31. The distal ends of a pair of left and right mounting bolts 33 fixed to the fixing plate 32 are projected to the outside of the grain tank 12 through the bolt holes 31a of the mounting plate 31 and the bolt holes of the front wall portion 12f or the rear wall portion 12r. A screw member 34 is attached to each mounting bolt 33 outside the grain tank 12. The fixing plate 32 is attracted to the inner surface of the front wall portion 12f or the rear wall portion 12r by the tightening force of the screw member 34, and the mounting plate 31 is pressed and fixed to the front wall portion 12f or the rear wall portion 12r by the fixing plate 32.

  When the grain tank 12 is swung up by 40 degrees from the descending storage posture, the grain tank 12 reaches the rise limit. When the grain tank 12 is swung upward by 20 degrees from the lowered storage posture, a straight line passing through the axis of the support shaft 28d of the flow down guide 28 and the rotation axis of the bottom screw 19 becomes a vertical line, and the left and right inclined guide portions The inclination angle of the vertical line 28a is the same or substantially the same.

  As shown in FIG. 3, the grain discharging device includes a vertical transport unit 41 extending upward from the connection case 23 and a horizontal transport unit 45 extending laterally from the upper end of the vertical transport unit 41. 40 is configured. The grain stored in the grain tank 12 can be discharged out of the machine by the grain discharging device 40. The grain discharging apparatus 40 is configured as follows. The vertical conveyance unit 41 is covered with a cover 39 (see FIGS. 1 and 2) from the lateral outer side of the machine body. The cover 39 is provided with a protrusion 39a (see FIGS. 1 and 2) that swells outward from the aircraft body. A gap between a motor 55 and a cover 39, which will be described later, can be formed by the protrusion 39a.

  As shown in FIGS. 10 and 16, the vertical conveyance unit 41 includes a conveyance cylinder 42 that extends in the vertical direction of the machine body and a vertical screw 43 that is rotatably provided inside the conveyance cylinder 42. The lower end portion of the transfer cylinder 42 is fitted into the inner peripheral portion of the upper end portion of the second case portion 23 c, and the vertical transfer portion 41 is connected to the lower end portion 12 a of the grain tank 12 via the connection case 23.

  As shown in FIG. 3, the horizontal conveyance unit 45 includes a conveyance cylinder 46 and a horizontal screw 47 provided inside the conveyance cylinder 46 so as to be rotatable. An L-shaped connecting case portion 44 is provided at the upper end portion of the vertical conveying portion 41. A conveying cylinder 46 extends laterally from the connection case portion 44. The conveyance cylinder 46 of the horizontal conveyance unit 45 communicates with the conveyance cylinder 42 of the vertical conveyance unit 41 via the connection case unit 44. As shown in FIGS. 8 and 9, a discharge port 48 is provided at the tip of the transport cylinder 46. A discharge cylinder 49 communicating with the discharge port 48 extends downward from the tip of the transport cylinder 46.

  A shutter 50 is supported inside the front end portion of the transport cylinder 46 via a support shaft 51. The shutter 50 opens and closes the discharge port 48 by swinging up and down with the shaft core extending in the horizontal direction of the support shaft 51 as a swing center. The shutter 50 is urged to swing in a closed position by a spring 52. When the grain is discharged, the spring 52 is elastically deformed by the conveying pressure of the grain acting on the shutter 50, and allows the shutter 50 to be switched to the open posture by the conveying pressure. In this embodiment, a spring 52 is employed as an urging mechanism that urges the shutter 50 to the closed posture. Not only the spring 52 but also various members such as weights and rubber materials may be employed.

  As shown in FIGS. 5 and 10, the motor 55 is supported on the connection case 23. The motor 55 and the bottom screw 19 are interlocked and connected via the connection case 23. Specifically, the connection case 23 is equipped with a power transmission mechanism 56, and the motor 55 and the bottom screw 19 are linked and connected via the connection case 23 and the power transmission mechanism 56. The bottom screw 19 can be driven by a motor 55.

  Specifically, as shown in FIG. 10, the bottom screw shaft 60 of the bottom screw 19 is arranged in a straight line with the shaft main body 61 provided with screw blades 19 a and the shaft main body 61 inside the connection case 23. A shaft end portion 62 is provided. The shaft end portion 62 is rotatably supported by the connection case 23 via bearing members 63 at both end portions. A non-circular portion 62 a is provided at the shaft main body side portion of the shaft end portion 62. The non-circular portion 62a and the end portion of the shaft main body 61 are engaged so as not to be relatively rotatable, and the shaft end portion 62 and the shaft main body 61 rotate integrally. An input shaft 64 of the bottom screw 19 is integrally formed at the end of the shaft end 62 opposite to the shaft main body 61.

  As shown in FIGS. 10 and 11, the power transmission mechanism 56 is accommodated in a power transmission case 57, an input rotating body 58 accommodated in the input side portion of the power transmission case 57, and an output side portion of the power transmission case 57. Output rotator 59. The input rotator 58 is provided on the output shaft 55a so as to rotate integrally with the output shaft 55a of the motor 55. The output rotating body 59 is provided on the input shaft 64 so as to rotate integrally with the input shaft 64 of the bottom screw 19. The input rotator 58 and the output rotator 59 are interlocked and connected by an endless chain 59a.

  The power transmission mechanism 56 interlocks and connects the motor 55 to the end portion on the opposite side of the shaft main body 61 from both end portions of the shaft end portion 62. Even if the power transmission case 57 is removed and the interlocking connection between the shaft end 62 and the motor 55 is released, the shaft end 62 is supported by the connection case 23 via the bearing member 63, so that the bottom screw 19 Can prevent misalignment.

  The power transmission case 57 is supported by the connection case 23 at the output side as shown in FIGS. The power transmission case 57 is disposed on the side opposite to the side where the grain tank 12 is located with respect to the connection case 23. Compared to the case where the power transmission case 57 is located between the connection case 23 and the grain tank 12, the connection case 23 is brought closer to the grain tank 12. The power transmission case 57 is supported by the connection case 23 in a state where the input side portion is located on the outer right side of the fuselage with respect to the connection case 23. The motor 55 is supported by the connection case 23 by being supported by the input side portion of the power transmission case 57. The motor 55 is disposed on the outer right side of the connection case 23. It is easy to reach the motor 55 from the lateral outside of the machine body. The motor 55 is cantilevered by the power transmission case 57 so as to protrude from the input side portion of the power transmission case 57 to the grain tank side. The motor 55 can be equipped while shortening the distance from the rear end of the grain tank 12 to the front end of the connection case 23.

  The vertical conveyance unit 41 is interlocked and connected to the bottom screw 19 via the connection case 23. Specifically, as shown in FIG. 10, a bevel gear 67 is supported on the shaft end portion 62 so as not to be relatively rotatable. A bevel gear 68 meshing with the bevel gear 67 is supported by a portion of the lower end portion of the vertical screw shaft 43a located inside the connection case 23 so as not to be relatively rotatable. Inside the connection case 23, a vertical screw shaft 43 a as a transport shaft of the vertical transport unit 41 is interlocked and connected to the bottom screw shaft 60 of the bottom screw 19.

  The vertical screw 43 and the horizontal screw 47 are interlocked and connected via a gear mechanism (not shown) inside the connecting case portion 44.

  As shown in FIG. 3, a hydraulic pump 65 is supported on the support frame 16 of the tank frame body 15. A hydraulic hose 66 extends upward along the support frame 16 from the hydraulic pump 65, and extends forward along the first upper frame portion 17 a of the upper frame 17 from the upwardly extending end portion. It is connected to the. The motor 55 is driven by hydraulic oil supplied and discharged by a hydraulic pump 65 through a hydraulic hose 66. The hydraulic hose 66 can be protected by a guard structure using the tank frame body 15 as a guard member of the hydraulic hose 66.

  As shown in FIG. 10, the lower end part of the conveyance cylinder 42 of the vertical conveyance part 41 is inserted in the upper end part of the 2nd case part 23c so that relative rotation is possible. The grain discharging device 40 is supported by the connection case 23 so that only horizontal turning is possible with the axis Y of the vertical screw 43 of the vertical conveying unit 41 as the turning center. A retaining device 70 is provided across the transport cylinder 42 and the connection case 23. The retaining device 70 prevents the vertical transport unit 41 from being detached from the connection case 23.

  Specifically, the retaining device 70 is configured as shown in FIGS. In other words, the retaining device 70 includes a flange 71 provided on the outer peripheral portion of the transport cylinder 42 and a plurality of rollers 72 dispersed on the outer periphery of the transport cylinder 42. The roller 72 is constituted by a bearing member. The flange 71 is fixed to the outer periphery of the transport cylinder 42 and rotates integrally with the transport cylinder 42. Each roller 72 is supported on the extended end portion of the support member 73 via a support shaft 74. The support member 73 extends upward from the second case portion 23c.

  The retaining device 70 supports the vertical conveyance unit 41 so as not to be detached from the connection case 23 by the roller 72 pressing the flange 71 from above. When the transport cylinder 42 rotates, the roller 72 presses the flange 71 from above while rotating around the axis extending in the radial direction of the transport cylinder 42 of the support shaft 74 by contact with the flange 71.

  As shown in FIGS. 11 to 15, an operation unit 76 is provided on the outer periphery of the vertical conveyance unit 41. A hydraulic cylinder 78 is connected to the operation unit 76. Specifically, the end 79 a of the rod 79 of the hydraulic cylinder 78 is connected to the operation unit 76. In this embodiment, the rod 79 is connected to the operation unit 76, but the tube 80 may be connected to the operation unit 76. The hydraulic cylinder 78 is a double-acting hydraulic cylinder. The operation unit 76 is pushed and pulled by the expansion and contraction of the hydraulic cylinder 78, whereby the grain discharging device 40 is turned, and the grain discharging device 40 is moved by the hydraulic cylinder 78 to the discharging posture H (see FIG. 16) and the storing posture N ( (See FIGS. 1, 2 and 16).

  When the grain discharging device 40 is in the discharging posture H, the lateral conveyance unit 45 is projected to the right lateral outer side of the traveling machine body. When the grain discharging device 40 is in the storage posture N, the horizontal conveyance unit 45 is stored inside the machine body. In the present embodiment, when the grain discharging device 40 is in the retracted posture N, the lateral conveyance unit 45 is positioned above the grain tank 12 and extends in the rear direction of the machine body. At this time, as shown in FIG. 1, the discharge cylinder 49 is located behind the intake tower 38 a of the engine cooling unit 38.

  When working and moving, the operating unit 7 operates a control valve (not shown) of the tank lifting cylinder 25 with an operating device (not shown), and the grain tank 12 is lowered and stored with the tank lifting cylinder 25. By changing the posture, the grain can be stored in the grain tank 12. By operating a control valve (not shown) of the hydraulic cylinder 78 by the operating device and turning the grain discharging device 40 to the storage posture N by the hydraulic cylinder 78, the lateral conveyance unit 45 can be stored inside the machine body.

  When the grains stored in the grain tank 12 are discharged to a supply destination such as a carrier bed located on the side of the traveling machine body, the control valve of the hydraulic cylinder 78 is operated by the operating device, and the grain discharging device 40 is operated. Is turned to the discharge posture H by the hydraulic cylinder 78, the control valve of the tank lifting cylinder 25 is operated by the operating device, the posture of the grain tank 12 is changed to the rising discharge posture by the tank lifting cylinder 25, and the operating device (not shown) The control valve (not shown) of the motor 55 is operated by the motor and the bottom screw 19 is driven by the motor 55, whereby the grain can be discharged to the supply destination.

  That is, the grain located at the lower end 12 a of the grain tank 12 is conveyed to the front side of the machine body by the bottom screw 19 and is discharged from the discharge port 20. As the grain discharge by the bottom screw 19 proceeds, the grain located on the left end side of the grain tank 12 flows to the lower end portion 12 a by natural flow and is discharged from the discharge port 20 by the bottom screw 19. The vertical conveying unit 41 is driven by the driving force of the bottom screw 19, the horizontal conveying unit 45 is driven by the driving force of the vertical conveying unit 41, and the grain discharged from the grain tank 12 is transferred by the vertical conveying unit 41. 45 to the discharge port 48 by the horizontal transfer unit 45. The grain conveyed to the discharge port 48 pushes the shutter 50 against the spring 52 to enter the discharge cylinder 49 and is discharged from the discharge cylinder 49 to the supply destination.

  As shown in FIGS. 12 and 14, the tube 80 of the hydraulic cylinder 78 is arranged on the inner side of the machine body from the rod 79. The hydraulic cylinder 78 can be arranged so as not to protrude outward from the airframe. As shown in FIGS. 11, 13, and 14, the tube 80 is connected to and supported by a support frame 85 as a support member on the airframe side. Specifically, a midway part 86 in the support frame 85 is provided with a base end part 86a and a support part 86b extending from the base end part 86a to the vertical conveying part side. The end portion 80a of the tube 80 is connected to the support portion 86b.

  As shown in FIG. 4, in the support frame 85, an extended end 87 a at a lower end side portion 87 that extends from the end 80 a of the hydraulic cylinder 78 to the inner side of the machine body is connected to the input case 88. The input case 88 is fixed to the threshing device 11. The threshing device 11 is supported by the body frame 1. That is, since the support frame 85 is connected to the machine body frame 1 via the input case 88 and the threshing device 11, it becomes a support member on the machine body side. The input case 88 houses a gear mechanism (not shown) that transmits the driving force from the engine 5 to a handling cylinder or the like.

  In plan view, the lower end side portion 87 of the support frame 85 extends along the expansion and contraction direction of the hydraulic cylinder 78 from the portion where the end portion 80a of the hydraulic cylinder 78 is located toward the inner side of the machine body. An extended end 87 a of the lower end side portion 87 is connected to the input case 88. Since the input case 88 is fixed to the threshing device 11, the extended end 87 a of the support frame 85 is connected to the threshing device 11. Since the threshing device 11 is fixed to the body frame 1, the extended end 87a of the support frame 85 is connected to a fixed portion supported by the body. In order to support the hydraulic cylinder 78 on the support frame 85 against the turning operation reaction force, the hydraulic cylinder 78 is supported in a direction along the direction of the turning operation reaction force.

  As shown in FIGS. 4, 13, and 14, the support frame 85 is supported by a support frame support frame 89 at a support portion 86 b in the midway portion 86. The support frame 89 is erected from the tank frame body 15. Specifically, the support frame 89 is erected from the second upper frame portion 17 b of the tank frame body 15. The support frame 89 supports the support frame 85 while being stably supported by the tank frame body 15 having a strong structure, and the support frame 85 is stably supported. In order to support the hydraulic cylinder 78 by the support frame 85, the hydraulic cylinder 78 is firmly supported against the reaction force of the turning operation.

  As illustrated in FIG. 12, the operation unit 76 is formed in a circular arc shape in a horizontal posture along the outer peripheral portion of the vertical conveyance unit 41. The turning operation force applied to the operation unit 76 by the hydraulic cylinder 78 is distributed over a wide range in the circumferential direction of the vertical conveyance unit 41 and is applied to the vertical conveyance unit 41. The operation unit 76 includes a pair of upper and lower horizontal plate portions 76a and a vertical plate portion 76b. Of the upper and lower horizontal plate portions 76a, the ends connected to the hydraulic cylinder 78 are connected by the vertical plate portion 76b. The upper and lower horizontal plate portions 76 a are formed in an arc shape along the outer peripheral portion of the vertical conveying portion 41. The operation unit 76 is connected to the outer peripheral portion of the transport cylinder 42 through a contact plate 77.

  The hydraulic cylinder 78 is supported by the operation unit 76 and the support frame 85 in a horizontal posture. An end 79 a of the hydraulic cylinder 78 is rotatably connected to the operation portion 76 via a connecting pin 81. An end 80a of the hydraulic cylinder 78 is rotatably connected to the support 86b via a connecting pin 82. When the grain discharging device 40 is swiveled, the operating force of the hydraulic cylinder 78 is reduced without causing a twist between the operation portion 76 and the end portion 79a and a twist between the support portion 86b and the end portion 80a. It is made to act on the operation unit 76.

  The hydraulic cylinder 78 is provided in a state along the facing surface 12s (see FIG. 12) of the grain tank 12 that the hydraulic cylinder 78 is opposed to on the side opposite to the side where the grain tank 12 is located with respect to the vertical conveyance unit 41. It has been. The hydraulic cylinder 78 is supported in a state of extending and contracting along the facing surface 12s. Compared with the hydraulic cylinder 78 positioned between the grain tank 12 and the vertical conveyance unit 41, the vertical conveyance unit 41 is brought closer to the grain tank 12.

  As shown in FIG. 12, when the grain discharging device 40 is swiveled between the discharging posture H and the storing posture N, the connecting point X (the axis of the connecting pin 81) between the hydraulic cylinder 78 and the operation unit 76 is set. The movement range S is moved. When the connection point X is located at the center of the movement range S, the hydraulic cylinder 78 is deployed in a state where the shaft core 78a of the hydraulic cylinder 78 is along the tangent L at the connection point X of the curve K along the outer peripheral portion of the vertical transport unit 41. Has been. The grain discharging device 40 can be swiveled between the discharging posture H and the storing posture N while the operating force of the hydraulic cylinder 78 is efficiently applied to the operating portion 76 as a turning operating force.

  As shown in FIG. 4, a holding portion 90 is provided on the upper surface 12 t of the grain tank 12. When the grain discharging device 40 is set to the retracted posture N, the horizontal conveying unit 45 can be held by the holding unit 90 so as not to be displaced.

  That is, as shown in FIG. 4, the holding portion 90 is configured by a bent leaf spring, and includes a pair of upward bending protrusions 91 and 92 arranged at intervals in the lateral direction of the aircraft, and an upward folding on the laterally inner side of the aircraft. An attachment portion 93 that is continuous with the lower portion of the bending protrusion 91 is provided. Since the attachment portion 93 is connected to the upper surface 12t of the grain tank 12, the holding portion 90 is supported by the upper surface 12t at a portion on the side where the upward bending protrusion 92 on the side of the machine body is located, and the holding portion 90 Among these, the upward bending protrusion 91 on the lateral outer side of the machine body is the free end side.

  When the grain discharging device 40 turns toward the storage posture N, the lateral conveyance unit 45 presses the upward bending protrusion 91 on the lateral side outside the machine body from above, and the upward bending protrusion 91 side is bent upward. The holding portion 90 is moved to the inner side of the machine body while being elastically deformed in a state of swinging downward with the portion 92 side as the swing fulcrum side. When the grain discharging device 40 is in the retracted posture N, the lateral conveyance unit 45 is positioned between the pair of upward bending projections 91 and 92, and the holding unit 90 is an upward biasing force provided by the previous elastic deformation. The upward bending protrusion 91 that has been lowered while exhibiting the above is raised to the original position, and the horizontal conveying part 45 is sandwiched by the pair of upward bending protrusions 91 and 92 from both sides.

  When the grain discharging device 40 turns from the storing posture N to the discharging posture H, the lateral conveyance unit 45 presses the upward bending protrusion 91 on the lateral side of the machine body from above, and the upward bending protrusion 91 side is folded upward. The holding part 90 moves to the laterally outer side while elastically deforming the holding part 90 in a state of swinging downward with the bending projection 92 side as the fulcrum fulcrum side, and then comes out from the holding part 90 to the right lateral side of the body.

  A stopper 94 protrudes upward from the mounting portion 93 below the upward bending protrusion 91 on the lateral outer side of the machine body. The stopper 94 receives the downwardly-folded upward bent protrusion 91 side from below, and sets the lower limit of the upward bent protrusion 91.

  As shown in FIGS. 5, 12, and 14, a vertical frame 95 extending in the vertical direction of the machine body is provided near the vertical transport unit 41 so as to be close to the vertical transport unit 41. The lower part of the vertical frame 95 is supported by the connection case 23, and the vertical conveyance unit 41 is supported by the upper part of the vertical frame 95. The vertical frame 95 can prevent the vertical conveyance unit 41 from being inclined by the load of the horizontal conveyance unit 45.

Specifically, the vertical frame 95 is configured as shown in FIGS. 5 and 12 to 15.
The vertical frame 95 includes a first vertical frame 96 and a second vertical frame 97. As shown in FIG. 16, the first vertical frame 96 is provided at a position opposite to the discharge port 48 when the grain discharge device 40 is in the retracted position with respect to the vertical conveyance unit 41. A plate-like connecting portion 98 is provided on the lower portion 96 d of the first vertical frame 96. The connection portion 98 is connected to the connection case 23 by a plurality of connection bolts, and the lower case 96 d of the first vertical frame 96 is supported by the connection case 23. A band-shaped support portion 99 is provided on the upper portion 96 u of the first vertical frame 96. The support part 99 is fitted to the outer peripheral part at the upper part of the vertical transport part 41, and supports the upper part of the vertical transport part 41 to the upper part 96 u of the first vertical frame 96 to be rotatable.

  When the grain discharging device 40 is turned to the storage posture N, the load of the horizontal transfer unit 45 that is extended rearward from the upper end of the vertical transfer unit 41 is applied to the vertical transfer unit 41. At this time, since the first vertical frame 96 is located on the opposite side to the side where the discharge port 48 is located with respect to the vertical conveyance unit 41, the first vertical frame 96 effectively counters the load applied by the horizontal conveyance unit 45. In this state, the vertical conveyance unit 41 is supported.

  As shown in FIG. 16, the second vertical frame 97 is provided at a position opposite to the discharge port 48 when the grain discharge device 40 assumes the discharge posture H with respect to the vertical conveyance unit 41. . A plate-like connecting portion 100 is provided at the lower portion 97 d of the second vertical frame 97. The connecting portion 100 is connected to the connection case 23 by a plurality of connecting bolts, and the lower case 97 d of the second vertical frame 97 is supported by the connection case 23. A band-shaped support portion 101 is provided on the upper portion 97 u of the second vertical frame 97. The support part 101 is fitted to the outer peripheral part at the upper part of the vertical conveying part 41, and supports the upper part of the vertical conveying part 41 to the upper part 97 u of the second vertical frame 97 to be rotatable.

  When the grain discharging device 40 is turned to the discharging posture H, the load of the horizontal conveying unit 45 that has been extended from the upper end of the vertical conveying unit 41 to the lateral outer side of the machine body is applied to the vertical conveying unit 41. At this time, since the second vertical frame 97 is located on the opposite side to the side where the discharge port 48 is located with respect to the vertical conveyance unit 41, the second vertical frame 97 effectively counters the load applied by the horizontal conveyance unit 45. In this state, the vertical conveyance unit 41 is supported.

  As shown in FIGS. 4, 14, and 15, the upper end portion of the first vertical frame 96 and the upper end portion of the second vertical frame 97 are connected by a connecting frame 102. As shown in FIG. 16, the connection frame 102 is provided at a position opposite to the trajectory of the discharge port 48 when the grain discharge device 40 is turned with respect to the vertical conveyance unit 41. The connecting frame 102 is located above the support portion 99 of the first vertical frame 96 and below the support portion 101 of the second vertical frame 97.

  When the grain discharging device 40 is positioned between the discharging posture H and the storing posture N, such as when the grain discharging device 40 moves from one of the discharging posture H and the storing posture N to the other, the horizontal conveyance unit 45 discharges. In the extended state between the extending direction in the posture H and the extending direction in the retracted posture N, the vertical conveying unit 45 extends in the extended direction. A load is applied to the vertical conveyance unit 41. At this time, the load of the horizontal conveyance unit 45 can be distributed to the first vertical frame 96 and the second vertical frame 97 by the connecting frame 102.

  As shown in FIGS. 5, 12, and 15, a space 103 is formed between the first vertical frame 96 of the vertical frames 95 and the connection case 23. A power transmission mechanism 56 is disposed between the first vertical frame 96 and the connection case 23. Specifically, a portion of the power transmission mechanism 56 that outputs to the bottom screw 19 is located between the first vertical frame 96 and the connection case 23. The hydraulic cylinder 78 is connected to the vertical conveyance unit 41 in an upper region located above the power transmission mechanism 56 in the space 103. When the hydraulic cylinder 78 expands and contracts, the rod 79 passes through the upper region of the space 103 and operates the operation unit 76. The first vertical frame 96 is provided with a guard function for preventing stones from hitting the power transmission mechanism 56 and the hydraulic cylinder 78.

  As shown in FIGS. 4, 12, and 14, the support frame 85 extends from the second vertical frame 97 toward the threshing device side, is connected to the input case 88, and is supported by the threshing device 11. The support frame 85 is supported by the column frame 89 that is stably supported by the tank frame body 15 and the threshing device 11 and is stably supported. The direction in which the support frame 85 extends from the second vertical frame 97 is the direction toward the side opposite to the discharge port 48 when the grain discharge device 40 is in the discharge posture. In order to support the second vertical frame 97 by the support frame 85, the second vertical frame 97 can be supported in a state that effectively counters the support reaction force applied to the second vertical frame 97. The second vertical frame 97 can be firmly reinforced by the support frame 85 so that the second vertical frame 97 firmly supports the vertical conveyance unit 41 against the load by the horizontal conveyance unit 45.

  As shown in FIG. 15, an intake pipe 104 extends in the vertical direction along the first vertical frame 96 near the first vertical frame 96. The intake pipe 104 connects the engine 5 and the pre-air cooler 105. As shown in FIGS. 15 and 16, the intake pipe 104 is provided with a portion 104 a facing the first vertical frame 96 in a state of being recessed inside, and the distance between the first vertical frame 96 and the intake pipe 104 is very narrow. It is set not to become.

  As shown in FIGS. 17 and 18, the engine 5 is provided at the right lateral end of the traveling machine body 4. A cover 107 (see FIG. 1) is provided on the right side of the traveling machine body 4. The cover 107 is supported by the traveling machine body 4 via a link mechanism (not shown) that can swing up and down. The cover 107 can be lifted and lowered between a descending closed posture and a rising open posture. By setting the cover 107 in the lowered and closed posture, the cover 107 covers the engine 5 from the lateral side of the fuselage, and the cover 107 can prevent or suppress dust and the like from entering the engine 5. By setting the cover 107 in the upwardly open posture, the lateral side of the engine 5 can be opened.

  A fan 108 and a wind guide member 109 are provided between the engine 5 and the cover 107. The fan 108 is rotatably supported by the engine 5. An endless belt 111 is mounted across a pulley included in the fan 108 and a pulley 110 included in the output shaft of the engine 5. The fan 108 is rotationally driven by the driving force output from the engine 5. The wind guide member 109 covers the outer periphery of the fan 108.

  Due to the blowing action of the fan 108, air outside the machine body is sucked into the inside of the cover 107 through the intake hole 107 a (see FIG. 18) of the cover 107 to generate wind, and the generated wind is guided by the wind guide member 109. And supplied to the engine 5. The engine 5 can be cooled by wind. Dust such as straw scraps flying to the engine 5 can be removed by the wind.

  As shown in FIG. 18, an engine guard 113 is provided between the engine 5 and the cover 107. Even if the cover 107 is deformed or damaged and enters the inside of the body due to the transport vehicle positioned on the outside of the traveling body 4 hitting the cover 107, the cover 107 remains on the engine guard 113 on the lateral side of the engine 5. Received by. The engine 5 is protected by the engine guard 113 so that it is easy to avoid the cover 107 entering the inside of the machine body from hitting the engine 5.

Specifically, the engine guard 113 is configured as follows.
As shown in FIGS. 17 and 18, the engine guard 113 includes a front vertical guard 114 extending in the vertical direction of the traveling machine body 4, a rear vertical guard 115 extending in the vertical direction of the traveling machine body 4, and a lateral extending in the longitudinal direction of the traveling machine body. And a guard 116.

  The front vertical guard 114 is positioned on the lateral outer side of the front part of the engine 5. The rear longitudinal guard 115 is located on the outer lateral side of the rear part of the engine 5. The lateral guard 116 is located on the laterally outer side of the upper body of the engine 5.

  The tank frame body 15 supports the grain tank 12 positioned above the engine 5. In the tank frame 15, two strut frames 16 that are adjacent to each other in the front-rear direction of the machine body are erected and distributed in front of and behind the engine 5. Engine guards 113 are supported on the front and rear support frame 16.

  Specifically, as shown in FIG. 17, the upper front connecting arm 117 extends from the front end portion of the horizontal guard 116, and the upper rear connecting arm 118 extends from the rear end portion of the horizontal guard 116. The upper front connecting arm 117 and the upper rear connecting arm 118 are formed integrally with the lateral guard 116. The front vertical guard 114 and the rear vertical guard 115 are connected by a horizontal guard 116. Specifically, the upper end side of the front vertical guard 114 and the upper end side of the rear vertical guard 115 are connected by a horizontal guard 116. A lower front connecting arm 119 extends from the lower end of the front vertical guard 114. The lower front connecting arm 119 is integrally formed with the front vertical guard 114. A lower rear connecting arm 120 extends from the lower end of the rear vertical guard 115. The lower rear connecting arm 120 is formed integrally with the rear vertical guard 115.

  The extended end of the upper front connecting arm 117 is connected to the front column frame 16 by a connecting bolt. The extended end of the upper rear connecting arm 118 is connected to the rear column frame 16 by a connecting bolt. The extended end of the lower front connecting arm 119 is connected to the front column frame 16 by a connecting bolt. The extended end portion of the lower rear connecting arm 120 is connected to the rear column frame 16 by a connecting bolt.

  An airframe lateral outer end portion 113 a of the engine guard 113 is disposed on the lateral lateral outer side of the airframe lateral end portion 108 a of the fan 108. Even if the cover 107 enters the inside of the fuselage, the cover 107 is received by the engine guard 113 on the lateral side outside the fuselage 108. The fan 108 is protected by the engine guard 113 so that it is easy to avoid the cover 107 entering the inside of the machine body from hitting the fan 108.

  That is, as shown in FIGS. 17 and 18, the engine guard 113 is formed by the fuselage lateral outer end portion 114 a of the front longitudinal guard 114, the fuselage lateral outer end portion 115 a of the rear longitudinal guard 115, and the fuselage lateral outer end portion 116 a of the lateral guard 116. The machine body lateral outer side end portion 113a is formed. The fuselage lateral outer end portion 114a of the front vertical guard 114, the lateral fuselage lateral end portion 115a of the rear vertical guard 115, and the lateral lateral end portion 116a of the lateral guard 116 are laterally outside the fuselage than the lateral lateral end portion 108a of the fan 108. Located on the side.

  The wind guide member 109 is disposed between the front vertical guard 114 and the rear vertical guard 115 and is supported by being suspended from the horizontal guard 116. Specifically, as shown in FIG. 17, the upper support member 121 extends downward from two locations in the front-rear direction of the lateral guard 116. The upper portion of the wind guide member 109 is connected to the extended end portion of the front upper support member 121 and the extended end portion of the rear upper support member 121.

  The front portion of the wind guide member 109 is supported by the front vertical guard 114, and the rear portion of the wind guide member 109 is supported by the rear vertical guard 115. Specifically, the front support member 122 extends rearward from the front vertical guard 114. The front portion of the wind guide member 109 is connected to the extended end portion of the front support member 122. A rear support member 123 extends forward from the rear vertical guard 115. The rear portion of the wind guide member 109 is connected to the extended end portion of the rear support member 123.

[Another embodiment]
(1) In the above-described embodiment, an example in which the vertical conveyance unit 41 is configured as an auger type has been described.

(2) In the above-described embodiment, an example in which the horizontal conveyance unit 45 is configured to project to the right lateral outside of the aircraft has been described. May be.

(3) In the above-described embodiment, when the grain discharging apparatus 40 is set in the retracted posture, the example in which the lateral conveyance unit 45 is configured to extend in the front-and-rear direction is shown. You may comprise so that it may become an inclined attitude | position.

(4) In the above-described embodiment, the grain tank 12 is supported so as to be swingable up and down in the ascending discharge posture and the descending storage posture, and the grain is placed on the bottom screw 19 by setting the grain tank 12 to the ascending discharge posture. Although the example of flowing is shown, the posture may not be changed, and the grain may be caused to flow to the bottom screw 19 by the inclination of the grain tank or the inclination of the bottom wall.

(5) Although the example which provided the bottom screw 19 was shown in the above-mentioned Example, the bottom screw 19 is not provided, but the grain is inclined from the grain tank by the inclination of the grain tank or the inclination of the bottom wall. You may comprise so that it may discharge | emit.

(6) In the above-described embodiment, the example in which the grain discharging device 40 performs only horizontal turning may be configured and implemented so that the horizontal conveyance unit 45 extends from the vertical conveyance unit 41 so as to be able to swing up and down.

(7) In the above-described embodiment, the example in which the grain discharging device 40 is turned by the hydraulic cylinder 78 has been shown.

(8) In the above-described embodiment, the example in which the bottom screw 19 is driven by the hydraulic motor 55 has been described. However, the bottom screw 19 may be configured to be driven by the driving force of the engine 5.

(9) In the above-described embodiment, the example in which the first vertical frame 96 and the second vertical frame 97 are provided is shown, but only one of them may be provided.

(10) In the above-described embodiment, an example in which the connection frame 102 is provided has been described. However, the first vertical frame 96 and the second vertical frame 97 may be provided, or the connection frame 102 may not be provided.

(11) In the above-described embodiment, the example in which the support frame 85 is provided has been described. However, the support frame 85 may be omitted.

(12) In the above-described embodiment, an example in which the support frame 89 is provided has been described. However, the support frame 89 may be omitted.

(13) In the above-described embodiment, an example in which the shutter 50 is provided has been described. However, the shutter 50 may be omitted.

  The present invention is not limited to the traveling device provided with the wheels 2 and 3, but can be used for a traveling device provided with a crawler traveling device or a traveling device provided with a mini crawler and wheels.

DESCRIPTION OF SYMBOLS 1 Airframe frame 9 Cutting part 11 Threshing apparatus 12 Grain tank 12a Lower end part 12t Upper surface 23 Connection case 40 Grain discharge apparatus 41 Vertical conveyance part 45 Horizontal conveyance part 48 Discharge port 50 Shutter 52 Energizing mechanism (spring)
78 Hydraulic cylinder 85 Support frame 86 Midway part 87a Extension end 88 Fixed part (input case)
89 Column frame 90 Holding portion 91 Upward bending protrusion 92 Upward bending protrusion 95 Vertical frame 96 First vertical frame 97 Second vertical frame 102 Connecting frame H Discharge posture N Storage posture P Axis core Y Axis core

Claims (12)

A threshing device for threshing the harvested cereals harvested by the reaping unit, a grain tank for storing the grain obtained by the threshing device, and discharging the grain stored in the grain tank to the outside of the machine A grain discharging device,
An L-shaped connection case connected to the lower end of the grain tank is provided,
A vertical conveying unit connected to the connection case and extending upward in the grain discharging device, a horizontal conveying unit connected to the upper end of the vertical conveying unit and extending in the horizontal direction, and having a discharge port at the tip. With
The grain discharging device includes a discharging posture in which the horizontal conveying unit projects to the outside of the machine body with the axial center of the vertical conveying unit as a turning center, and the horizontal conveying unit is stored inside the machine body so as to be above the grain tank. Can be swung over the retracted position located at
A vertical frame is provided that extends along the vertical direction of the machine body in a state of snuggling up to the vertical conveyance unit and supports the vertical conveyance unit,
A combine in which the lower part of the vertical frame is supported by the connection case, and the vertical transport unit is supported by the upper part of the vertical frame. The vertical frame includes a first vertical frame,
The combine according to claim 1, wherein the first vertical frame is provided at a position opposite to the discharge port when the grain discharge device is in the retracted position with respect to the vertical conveyance unit. . The vertical frame includes a second vertical frame,
The combine according to claim 1, wherein the second vertical frame is provided at a position opposite to the discharge port when the grain discharge device is in the discharge posture with respect to the vertical conveyance unit. . The vertical frame includes a second vertical frame,
The combine according to claim 2, wherein the second vertical frame is provided at a position opposite to the discharge port when the grain discharge device is in the discharge posture with respect to the vertical conveyance unit. . A connection frame connecting the first vertical frame and the second vertical frame;
The combine according to claim 4, wherein the connection frame is provided at a position opposite to the trajectory of the discharge port with respect to the vertical conveyance unit. A support frame connected to the second vertical frame;
The support frame extends from the second vertical frame toward the opposite side of the discharge port when the grain discharge device is in the discharge posture, and is connected to a fixed portion supported by the machine body. The combine as described in any one of Claims 3-5. The tank frame body that supports the grain tank and the threshing device are provided in the body frame in a state of being aligned in the lateral direction of the body,
The grain tank is disposed over the tank frame body and over the threshing device,
A support frame is erected from the tank frame body,
The combine according to claim 6, wherein an extended end of the support frame is connected to the threshing device, and a middle part of the support frame is supported by the support frame. A hydraulic cylinder that is connected in a horizontal posture across the vertical conveying unit and the machine body side, and that rotates the grain discharging device by expansion and contraction is provided,
The combiner according to any one of claims 1 to 6, wherein one end side of the hydraulic cylinder is connected to an outer peripheral portion of the vertical conveyance unit. A hydraulic cylinder that is connected in a horizontal posture across the vertical conveying unit and the machine body side, and that rotates the grain discharging device by expansion and contraction is provided,
One end side of the hydraulic cylinder is connected to an outer peripheral portion of the vertical conveying unit,
The combine according to claim 7, wherein the other end side of the hydraulic cylinder is supported by the support frame. On the upper surface of the grain tank, there is provided a holding part that holds the lateral conveying part from below when the grain discharging device turns to the retracted position,
The holding portion includes a pair of upward bent protrusions sandwiching the lateral conveying portion from both lateral sides, and is configured by a leaf spring that exerts an upward biasing force,
The holding portion is supported by the grain tank at a portion of the holding portion on the side where the other upward bent protrusion is located, with one of the upward bent protrusions on the free end side.
When the grain discharging device is swung from the retracted posture to the discharging posture and when it is swung to the retracted posture, the horizontal conveying portion presses the one upward bent protrusion downward, and the holding portion The combine according to any one of claims 1 to 9, wherein the free end side of the sway is lowered and swung. The grain discharging device is configured to perform only horizontal turning,
A shutter capable of opening and closing the discharge port, and a biasing mechanism for biasing the shutter to a closed posture,
The combine according to claim 10, wherein when the grain is discharged, the shutter is operated to be switched to an open position by a conveying pressure of the grain. A bottom screw for discharging the grain from the grain tank is provided at the lower end inside the grain tank,
The said grain tank is supported so that rocking | fluctuation raising / lowering is possible over the fall storage attitude | position and a raise discharge attitude | position with the screw shaft center of the said bottom screw as a rocking | swiveling center. Combine.

Images