JP2014014341A - Combine harvester - Google Patents

Abstract

A harvesting operation can be performed efficiently, and a combine that facilitates grain extraction from a grain tank is obtained in a state that facilitates high-speed traveling.
A traveling machine body is self-propelled by traveling wheels. The threshing device 10 includes a handling chamber for feeding the harvested cereal from the cutting position to the tip, and a handling cylinder that is rotationally driven around the handling cylinder axis center in the front-rear direction of the traveling machine body. The grain tank 20 includes a side tank portion 21 located on the side of the threshing device 10 and an upper tank portion 22 located above the threshing device 10. A discharge screw 60 is provided in the grain tank 20 in a state of being rotationally driven around a screw shaft core in the front-rear direction of the traveling machine body, and a carry-out auger 63 for carrying out the grain from the discharge screw 60 is provided.
[Selection] Figure 1

Description

  The present invention relates to a combine in which a traveling machine body is provided with a threshing device for threshing a harvested cereal meal from a reaping unit and a grain tank for storing threshed grains from the threshing device.

  Conventionally, as shown in, for example, Patent Document 1, a grain tank that includes a threshing unit that throws a harvested cereal into a treatment room from a cutting point by a cutting blade to a tip and threshes and stores threshing grains from the threshing unit As such, there was a combine equipped with a grain tank formed so as to be located on the side and upper side of the threshing section.

JP 2000-37134 A

Threshing treatment is performed even if a large amount of harvested cereals is quickly supplied to the handling room by providing a threshing device that throws the harvested cereals into the handling room from the cutting point to the tip of the harvesting device and rotates the handling cylinder. Can be performed well, and by providing a grain tank located over the side and upper side of the threshing device, the capacity of the grain tank can be increased and threshing until the grain tank is full The processing can be performed quickly, and the number of operations interrupted for taking out the threshing grains from the filled grain tank can be reduced.
However, by configuring the traveling machine body to be self-propelled by the traveling wheels, even when trying to enable high-speed traveling, such as when traveling on the road from the field to the field, even inside the grain tank It is difficult to run at high speed if it is not possible to obtain a good weight balance by providing a discharge auger and an unloading auger that unloads the grain from the discharge screw, making it easy to remove the grain from the grain tank. Become.

  An object of the present invention is to provide a combine that can perform a harvesting operation efficiently and is easy to take out a grain from a grain tank, but is easy to travel at high speed.

This 1st invention is the combine which provided in the traveling body the threshing device which threshs the harvested cereal from the reaping part, and the grain tank which stores the threshing grain from the threshing device,
The traveling machine body is configured to be self-propelled by traveling wheels,
The threshing device includes a handling chamber in which the harvested cereal from the reaping unit is inserted from the cutting portion to the tip of the reaping device, and the handling cylinder is disposed around the handling cylinder axis in the front and rear direction of the traveling machine body. It is configured to be rotated and driven,
The grain tank includes a side tank portion located laterally with respect to the threshing device, and an upper tank portion communicating with the side tank portion in a state of being located above the threshing device. And
A discharge screw is provided inside the grain tank in a state where it is rotationally driven around a screw shaft core in the front-rear direction of the traveling machine body, and an unloading auger for unloading the grain from the discharge screw is provided.

  According to the configuration of the first aspect of the present invention, the threshing device includes a handling chamber in which the harvested cereal cocoon is fed from the cutting position to the tip of the harvesting device, and the handling cylinder is disposed in the handling chamber in the front and rear direction of the traveling machine body. Since it is provided in a state of being rotationally driven around, even if a large amount of harvested cereal meal is quickly supplied to the handling room, the threshing process can be performed satisfactorily. The grain tank is configured to include a side tank portion located laterally with respect to the threshing device and an upper tank portion located above the threshing device, so that the capacity of the whole grain tank is increased. Can be. Therefore, the threshing process until the grain tank is full can be performed quickly, and the number of work interruptions for taking out the threshing grain from the full grain tank can be reduced. Since a discharge screw is provided inside the grain tank and a discharge auger for discharging the grain from the discharge screw is provided, the grain can be easily taken out from the grain tank by the discharge screw and the discharge auger. .

  Since the traveling machine body is configured to self-run by the traveling wheels, the traveling speed of the traveling machine body can be increased. And, by comprising a handling cylinder that is rotationally driven around the handling machine axis in the front-rear direction of the traveling machine body, the threshing apparatus is configured to have a long shape in the longitudinal direction of the traveling machine body. Since the threshing device can be provided with a threshing function for threshing the harvested cereal quickly and satisfactorily, the threshing device has a shape that is long in the longitudinal direction of the traveling body, and the traveling body used for the deployment of the grain tank The lateral space can be increased, and the grain tank weight applied to the traveling machine body on the side opposite to the threshing device side can be increased. Since the discharge screw is provided in a state where it is rotationally driven around the screw shaft center facing the traveling machine body, the discharge screw can be arranged so that the gravity of the discharge screw is applied to the traveling machine body on the side opposite to the threshing device side. . In other words, the grain tank is constituted by the side tank part and the upper tank part so that the capacity of the grain tank can be increased, and a discharge screw and a carry-out auger are provided so that the grain can be easily taken out. Although it is a thing, the left and right weights of the combine as a whole can be balanced to facilitate high speed running.

  Therefore, according to the first aspect of the present invention, the threshing process until the grain tank is full can be performed quickly, and the number of work interruptions for taking out the threshed grain from the grain tank can be reduced. Grain removal from the tank can be easily performed by the discharge screw and the unloading auger, and the harvesting operation can be performed efficiently.

  In the second aspect of the invention, the side tank portion is formed such that the lower end is located at a lower arrangement height than the lower end of the upper tank portion and the upper end of the threshing device.

  According to the configuration of the second invention, it is possible to increase the capacity of the side tank part while preventing the arrangement height and the center of gravity of the whole grain tank from increasing due to the increase in capacity of the side tank part. .

  Therefore, according to the second invention, the storage capacity of the threshing grains can be increased while preventing the height of the combine as a whole and the height of the center of gravity from increasing due to the increase in the capacity of the grain tank.

  In the third aspect of the invention, the bottom wall of the upper tank part is arranged in an inclined posture so that the threshing grains move from the upper tank part to the side tank part by its own weight, and the discharge screw is provided in the side tank. It is deployed at the bottom of the section.

  According to the configuration of the third aspect of the present invention, although it constitutes a grain tank provided with a side tank portion and an upper tank portion, the discharge screw need only be provided in the side tank portion.

  Therefore, according to the third aspect of the present invention, the grain tank is provided over the side and the upper side of the threshing apparatus, but it is only necessary to provide the discharge screw in the side tank portion and can be obtained at low cost.

  According to the fourth aspect of the present invention, the unloading auger includes a lifting auger portion extending from a conveying terminal portion of the discharge screw to a lateral side opposite to the side tank portion of the threshing device, and the lifting A discharge auger portion extending from the end portion of the auger portion is provided.

  According to the configuration of the fourth aspect of the invention, the discharge auger portion has a lifting function by extending the discharge auger portion from the end portion of the lifting auger portion located at a higher arrangement height than the conveying terminal portion of the discharge screw. Without providing it, just by providing a horizontal or almost horizontal feed function, the grain taken out by the discharge screw from the bottom of the side tank part is carried out to a supply destination located at a higher arrangement height than the bottom part of the side tank part. can do.

  Therefore, according to the fourth invention, the grain taken out from the bottom part of the side tank part can be carried out to the supply destination located at a higher arrangement height than the bottom part of the side tank part. Can be obtained at low cost with a simple structure having a horizontal or substantially horizontal feeding function.

  The fifth aspect of the present invention is a use posture in which the discharge auger portion extends from a terminal portion of the lifting auger portion to the lateral outer side of the traveling machine body opposite to the side where the side tank portion is located, and the side of the threshing device The discharge auger portion is swingably connected to the transporting auger portion so as to switch to a retracted posture positioned in a lateral direction of the traveling vehicle body on the lateral side opposite to the side tank portion side.

  According to the configuration of the fifth aspect of the invention, by switching the discharge auger portion to the use posture, the discharge auger portion can extend to the lateral side of the traveling machine body, and the grain can be carried out to a supply destination away from the traveling machine body. By setting the discharge auger part in the retracted position, the discharge auger part is positioned on the lateral side opposite to the side tank part side of the threshing device in the longitudinal direction of the traveling machine body, and the discharge auger part protrudes out of the traveling machine body. Can be eliminated or reduced.

  Therefore, according to the fifth aspect of the present invention, the discharge auger part is positioned on the side of the traveling machine body by setting the discharge auger part to the retracted posture while being able to carry out the grain to the supply destination away from the traveling machine body. It is easy to drive because it is difficult to hit buildings and trees.

  According to the sixth aspect of the present invention, an engine is arranged on a lateral side portion of the traveling aircraft body on the side where the side tank portion is located, and the traveling tank body is directed forward and downward in the front end side lower portion of the lateral tank portion. A notch is provided that is open and into which the engine enters.

  According to the configuration of the sixth aspect of the invention, the side tank portion and the engine overlap in the vertical direction and the longitudinal direction view of the traveling vehicle body, and the lateral tank portion is located above and behind the traveling vehicle body with respect to the engine. Compared to biasing, the side tank and engine are moved vertically and longitudinally while lowering the top and center of gravity of the side tank without lowering the vertical height and longitudinal length of the side tank. Can be deployed in close contact with

  Therefore, according to the sixth aspect of the present invention, the capacity of the side tank portion is not reduced so much and a large amount of grains can be stored as much as possible, while the center of gravity and the longitudinal length of the combine as a whole are reduced or shortened. it can.

  In the seventh aspect of the invention, the top plate of the threshing device is supported so as to swing up and down in an ascending open position and a descending closed position, and the bottom wall of the upper tank part is detachably mounted.

  According to the configuration of the seventh aspect of the invention, even if the grain tank is provided in a state where the upper tank portion is located near the upper part of the threshing device, the top plate is raised so as to be switched to the ascending open posture by removing the bottom wall. A swinging path can be secured inside the upper tank portion, and the top plate can be switched to the upwardly opening posture.

  Therefore, according to the seventh aspect of the present invention, the grain tank is provided with the upper tank portion, and the top plate is supported in the up and down position and the down and closed position so as to be swingable up and down. By deploying the tank as low as possible, the center of gravity of the entire combine can be lowered.

It is a side view which shows the whole combine. It is a top view which shows the whole combine. It is a rear view which shows the whole combine. It is a vertical side view which shows a threshing apparatus. It is a vertical side view which shows a grain tank. It is a top view which shows a discharge screw and a carrying-out auger. It is a rear view which shows the grain tank in the removal state of a bottom wall.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a side view showing the entire combine according to the embodiment of the present invention. FIG. 2 is a plan view showing the entire combine according to the embodiment of the present invention. FIG. 3 is a rear view showing the entire combine according to the embodiment of the present invention. As shown in FIGS. 1, 2, and 3, a combine according to an embodiment of the present invention is a pair of left and right front traveling wheels 1, 1 (hereinafter referred to as front wheel 1) and a pair of left and right rear traveling. A traveling machine body equipped with wheels 2 and 2 (hereinafter referred to as rear wheels 2) is provided, and includes a threshing device 10 and a grain tank 20 provided at the rear part of the body frame 3 of the traveling machine body. The harvesting part 30 having a feeder 31 extending forward from the front of the machine body is provided, and the harvesting work such as rice and wheat is performed by running the traveling machine body with the cutting part 30 in the descending work state. Do.

The traveling aircraft will be described.
The traveling machine body includes a driving unit 4 disposed at a lateral end of the traveling machine body between the front wheel 1 and the rear wheel 2, and a traveling mission 5 that supports the pair of left and right front wheels 1 and 1 in a driving manner. The driving force from the provided engine 4a is input to the traveling mission 5 to drive the pair of left and right front wheels 1 and 1 so as to be self-propelled.

  The traveling mission 5 converts the driving force from the engine 4a into the driving force on the forward side and the backward side, and continuously changes the driving force on the forward side and the backward side and transmits it to the front wheels 1 in a stepless manner. A continuously variable transmission is provided. The engine 4a is a part located on the side of the threshing device 10 in the machine body frame 3, and is an engine support provided at a side end on the side where the side tank portion 21 of the grain tank 20 described later is located. It is deployed in the department. The engine 4a is configured to be cooled by cooling water circulated between the engine cooling radiator 6 positioned on the lateral outer side of the traveling body of the engine 4a.

  The traveling machine body includes a driving unit 8 disposed in front of the threshing device 10 and the grain tank 20 at the front part of the machine body frame 3. The driving unit 8 includes a driving cabin 8a. A configuration is adopted in which a traveling steering body is steered by swinging and steering a pair of left and right rear wheels 2 and 2 by boarding the driving unit 8 and operating a power steering device (not shown). is there.

The mowing unit 30 will be described.
The trimming unit 30 includes a feeder 31 and a trimming frame 32 having a rear end connected to a front end of the feeder 31. Dividers 33 are provided at the left and right front ends of the cutting frame 32. The mowing frame 32 includes a transport deck 34 connected to the feeder 31, a clipper-shaped mowing device 35 provided to be driven at the front end of the transport deck 34, a transverse feed auger 36 provided to be rotatable and driven above the transport deck 34, a mowing A rotating reel 37 is provided above the device 35 so as to be driven to rotate. The rotary reel 37 is supported by a pair of left and right support arms 37a and 37a extending forward from the rear end portion of the cutting frame 32 so as to be swingable up and down, and is adjusted up and down by adjusting the swing of the support arm 37a. The

  The feeder 31 is arranged so as to extend forward from a support part provided at the front part of the threshing machine body 11 through the lower part of the operation part 8. The feeder 31 is supported by the front part of the threshing device 10 so as to be swingable up and down, and when the swinging operation is performed by the lifting cylinder 38, the divider 33 and the cutting device 35 are lowered to near the ground. The lowering operation state and the divider 33 and the reaping device 35 are moved up and down into the ascending non-working state in which they are raised from the ground.

Therefore, the cutting unit 30 is operated in the descending operation state, and the traveling machine body travels to cut the planted cereal and supply the chopped cereal to the threshing apparatus 10.
That is, the pair of left and right dividers 33, 33 divide the planted culm into the planted culm that is to be harvested and the plant that is not to be trimmed. The rotary reel 37 rakes the tip of the planted culm to be harvested toward the upper side of the lateral feed auger 36, and the harvesting device 35 harvests the stock of the planted culm. A spiral feed plate 36a is provided on the left and right sides of the lateral feed auger 36 so as to be integrally rotatable, and the lateral feed auger 36 is fed by the spiral feed plate 36a to the feeder from the cutting position to the tip of the harvested grain culm. Cross feed to the front part of 31. The whole of the harvested cereal culm that has reached the front part of the feeder 31 is fed to the conveyance start end of the feeder 31 by a scraping arm 36b that is provided so as to be integrally rotatable in the middle part of the lateral feed auger 36, It is conveyed to the rear side by the feeder 31 and supplied to the threshing apparatus 10.

The threshing apparatus 10 will be described.
FIG. 4 is a longitudinal side view showing the threshing apparatus 10. As shown in FIG. 4, the threshing device 10 includes a handling chamber 12 provided in the upper part inside the threshing machine body 11 and a handling cylinder 13 provided in the handling chamber 12 so as to be driven and rotated around a handling cylinder axis 13 a facing the traveling machine body. A threshing unit 10A having a threshing portion is provided, and a threshing process is performed on the harvested cereal meal from the feeder 31 by the threshing unit 10A.

  In other words, the barrel drive gear mechanism 14 is connected to the front end portion of the rotation support shaft 13 b of the barrel 13, and the barrel 13 is handled by the driving force from the engine 4 a transmitted to the barrel drive gear mechanism 14. It is rotationally driven around the shaft core 13a. A scraping drum 15 provided with two scraping spiral blades 15a is connected to the front end portion of the handling cylinder 13 so as to be integrally rotatable. The rake drum 15 is raked into two pieces from the cutting point by the reaping device 35 of the chopped cereal mash supplied to the threshing machine body from the insertion port 11a located in the front wall of the threshing machine body 11 by the feeder 31. The spiral blade 15a is raked into the handling chamber 12 and supplied. The handling cylinder 13 includes a plurality of bar-shaped teeth 13c arranged in the rotation direction and the circumferential direction, and threshing is performed while the harvested cereal supplied to the chamber 12 is conveyed toward the rear of the chamber by the teeth 13c. The handling cylinder 13 includes a plurality of tooth handling support rods 13d arranged at intervals in the circumferential direction, and is configured as a bar-shaped handling cylinder. The barrel 13 can reduce the threshing load due to the slimming of the harvested cereals entering between the tooth support support ridges 13d, thereby threshing a large amount of the harvested cereals supplied to the handling chamber 12 efficiently and efficiently. To process.

  The threshing device 10 includes a sorting unit 10B having a swing sorting device 16 provided in a freely swingable manner below the handling chamber 12, and the sorting unit 10B converts the threshing product from the threshing unit 10A into grains and dust. And sorting.

  That is, the swing sorting device 16 receives the threshing processed material that has fallen from the handling chamber 12 through the receiving net 12a. The threshing processed product received by the swing sorting device 16 is supplied backward by the swing sorting by the swing sorting device 16 and the main tang 17 and the sub tang 17a disposed in front of the swing sorting device 16. By selecting the wind by the sorting wind, it is sorted into threshing grains and dust, the threshing grains are dropped from the swinging sorting device 16, and the dust is connected to the rear wall of the threshing machine body 11 together with the threshing drainer discharged from the handling chamber 12. The waste straw shredding device 18 is supplied. The waste straw shredding device 18 shreds the threshing waste straw and dust from the threshing portion 10A and the sorting portion 10B with the rotary blade 18a, and discharges it from the dust outlet 18b to the rear side of the traveling machine body.

  The threshing device 10 includes a first screw conveyor 19a and a second screw conveyor 19b provided below the swing sorting device 16 so as to be arranged in the longitudinal direction of the threshing machine. The 1st screw conveyor 19a conveys the processed grain as the 1st processed material which fell from the rocking sorter 16 to the horizontal direction of the machine body, and supplies it to the grain raising device 40 located in the lateral outside of the threshing machine body 11. The second screw conveyor 19b conveys untreated grains as the second processed product dropped from the swing sorting device 16 in the lateral direction of the threshing machine body and supplies it to the reduction device 45 located on the lateral outer side of the threshing machine body 11. As shown in FIG. 5, the reduction device 45 threshs the grains from the reprocessing unit 45 a and the reprocessing unit 45 a that refines the unprocessed grains from the # 2 screw conveyor 19 b with a rotary blade and a fixed blade. A screw conveyor 45b that is fed to the upper part of the machine body 11 and fed into the threshing machine body through a reduction port (not shown) located on the lateral wall of the threshing machine body 11 and fed to the starting end side of the swing sorting device 16; It is. A blower 17b is provided in front of the second screw conveyor 19b, and the blower 17b is configured to supply the sorting air to the processed material falling on the second screw conveyor 19b.

The grain tank 20 will be described.
As shown in FIGS. 2, 3, and 5, the grain tank 20 travels from the side tank portion 21 located on the side on the right side of the traveling machine body with respect to the threshing device 10, and the side tank portion 21. An upper tank portion 22 that extends in the left lateral direction of the machine body and is located above the threshing device 10 is configured, and is located across the side of the threshing device 10 and above the threshing device 10.

  The side tank portion 21 and the upper tank portion 22 communicate with each other so that the storage space as the whole grain tank 20 becomes one. The side tank portion 21 has an upper end of the top plate 10a in which the bottom wall 21a has a V-shaped view in the longitudinal direction of the traveling body and the lower end 21D is the lower end 22D of the upper tank portion 22 and the upper end of the threshing device 10. It is formed so as to be located at an arrangement height lower than 10U.

  The bottom wall 22a of the upper tank part 22 is arranged in an inclined posture that descends toward the side tank part 21, and the threshing grains of the grain tank 20 are moved from the upper tank part 22 to the side tank part 21 by the inclination of the bottom wall 22a. It is configured to move by its own weight.

  The side tank portion 21 is provided with a bottom portion 21b that is formed so that the shape of the traveling vehicle body when viewed from the front-rear direction is a narrow shape and that has a discharge port 21e that is provided on the rear wall and is open to the rear of the vehicle body. A cutout portion 21 </ b> C that opens in the forward direction of the traveling machine body and in the downward direction of the traveling machine body is provided in the lower part on the front end side of the side tank part 21. The grain tank 20 is arranged so that the engine 4a enters the notch 21C, specifically, the upper part of the engine 4a enters the notch 21C. Thereby, the arrangement relationship between the grain tank 20 and the engine 4a is such that the bottom portion 21b of the side tank portion 21 overlaps the engine 4a in the longitudinal direction of the traveling machine body, and the front portion of the side tank part 21 is the vertical direction of the traveling machine body. The arrangement relationship overlaps with the engine 4a in view. More specifically, the bottom portion 21b of the side tank portion 21 is positioned at a low arrangement height that is good at the upper end of the engine 4a behind the engine 4a. As shown in FIG. 5, the front wall portion 21 d of the side tank portion 21 that faces the notch portion 21 </ b> C is in a downwardly inclined posture that descends toward the bottom portion 21 b of the side tank portion 21. The threshing grains are configured to move to the bottom portion 21b of the side tank portion 21 by its own weight due to the inclination of the front wall portion 21d.

  As shown in FIG. 3, the bottom wall 22 a of the upper tank portion 22 is detachably connected to the front wall and the rear wall 22 r by a plurality of connection bolts 23. The horizontal wall 22s of the upper tank portion 22 is integrally formed with the bottom wall 22a so as to be attached to and detached from the front wall and the rear wall 22r together with the bottom wall 22a.

  That is, as shown in FIG. 7, the top plate 10 a of the threshing apparatus 10 is supported by the threshing machine body 11 so as to be swingable up and down around the opening and closing axis X in a rising and falling posture. The opening / closing axis X is disposed at the lateral end of the top plate 10a opposite to the side where the side tank portion 21 is located, and is an axial center facing the traveling machine body. As shown in FIG. 7, when performing operations such as cleaning and checking the handling chamber 12 and the handling cylinder 13 from above, by removing the bottom wall 22 a, the top plate 10 a is swung up so that the top plate 10 a is switched to the rising open posture. The top plate 10a can be switched to the ascending open posture by securing the path to be performed inside the upper tank portion 22.

  The side tank part 21 is connected to the conveying terminal end side of the threshing device 40, and the grain tank 20 is supplied with the threshing grains fed from the first screw conveyor 19 a of the threshing device 10 by the threshing device 40. Store.

  As shown in FIGS. 1, 5, 6, and 7, the threshing device 40 protrudes laterally outward from the threshing machine body 11, is located behind the engine 4 a, and is located on the laterally outer side of the machine from the reduction device 45. A cerealing portion 41 that is raised from the conveying terminal portion and whose conveying terminal side is positioned laterally outside the side tank portion 21 and is vertically oriented, and a supply portion 42 that is positioned in the upper portion of the side tank portion 21. It is configured.

  The cerealing part 41 is provided in the inside of the lifting case 41a so as to inherit and lift the threshing grains from the first screw conveyor 19a and the lifting case 41a extending from the conveying terminal end of the first screw conveyor 19a. A bucket conveyor (not shown) provided to be freely driven is provided.

  The supply unit 42 includes a transfer cylinder 42a connected to the lifting case 41a by a relay case part penetrating the lateral wall of the side tank part 21, and a transfer screw provided inside the transfer cylinder 42a so as to be driven to rotate. The threshing grains from the cerealing part 41 are inherited via the relay case part and transferred by the conveying screw. The supply part 42 scatters the threshing grains from the conveying screw into the side tank part 21 and the upper tank part 22 from the discharge port located at the terminal part of the conveying cylinder 42a. The supply unit 42 is arranged in an inclined posture so that the conveyance end side faces upward, and the grain tank 20 is located inside the traveling machine body in the lateral direction toward the conveyance end side.

  A discharge screw 60 is rotatably provided inside the bottom portion 21 b of the side tank portion 21, and a conveyance start end portion of the carry-out auger 63 is connected to a conveyance end portion of the discharge screw 60 and is stored in the grain tank 20. The threshing grains are taken out by the discharge screw 60 and the carry-out auger 63.

  That is, the discharge screw 60 is rotationally driven around the screw shaft core 60a facing the traveling machine body in the front-rear direction, conveys the threshing grains located in the side tank portion 21 toward the rear of the traveling machine body, and laterally from the discharge port 21e on the rear wall. The tank part 21 is discharged to the rear outside. The threshing grains located in the upper tank part 22 move to the side tank part 21 due to the flow of their own weight as the threshing grain discharge of the side tank part 21 by the discharge screw 60 proceeds, and the side tank part by the discharge screw 60. 21 is discharged.

As shown in FIGS. 2 and 3, the carry-out auger 63 is lifted obliquely upward from the conveyance terminal portion of the discharge screw 60 to the lateral side opposite to the side tank portion 21 side of the threshing device 10. The auger part 64 and a discharge auger part 65 extending from the conveying end part of the feeding auger part 64 are provided.
Accordingly, the carry-out auger 63 is configured to remove the threshed grains discharged from the grain tank 20 by the discharge screw 60 at the rear upper portion of the threshing apparatus 10 by the lifting auger section 64, and the side tank section 21 of the upper tank section 22. It is pumped to a lateral side opposite to the side, transported horizontally or substantially horizontally by the discharge auger portion 65 from this location, and discharged from a discharge cylinder 66 provided at the conveyance end portion of the discharge auger portion 65. .

  The discharge auger portion 65 is connected to a relay case portion 64a provided at the conveying end portion of the lifting auger portion 64 so as to be swingable about a swinging shaft core Y in the vertical direction of the traveling machine body, and is used for taking out a grain. The posture can be switched between a harvesting operation and a retracted posture for traveling.

  A discharge auger portion 65 indicated by a two-dot chain line in FIG. 2 and a discharge auger portion 65 indicated by a solid line in FIG. 6 indicate the discharge auger portion 65 in a state of being switched to a use posture. As shown in these drawings, when the discharge auger portion 65 swings around the swing axis Y to the lateral side of the traveling machine body, the discharge auger part 65 extends from the conveyance end of the lifting auger part 64 to the lateral side of the traveling machine body. The delivery cylinder 66 is located outside the traveling machine body and the grain from the side tank part 21 and the upper tank part 22 of the grain tank 20 is located laterally away from the traveling machine body. It becomes a use posture so that it may carry out to the supply destination.

  A discharge auger portion 65 indicated by a solid line in FIG. 2 and a discharge auger portion 65 indicated by a two-dot chain line in FIG. 6 indicate the discharge auger portion in a state where the storage posture is switched. As shown in these drawings, the discharge auger portion 65 swings inward of the traveling machine body around the pivot axis Y and extends forward from the transport end of the lifting auger part 64 to the traveling machine body. If it becomes, it will be in the state located along the threshing apparatus 10 on the side of the threshing apparatus 10, and will be in a storing attitude | position so that it may be difficult to hit the building or tree etc. which are located to the side of a traveling machine body side. At this time, by locking the extended end side of the discharge auger portion 65 to the support member 67, the discharge auger portion 65 can be fixed in the retracted posture.

The drive structure of the discharge screw 60 and the carry-out auger 63 will be described.
As shown in FIGS. 5 and 6, a screw drive case 70 is provided in the cutout portion 21 </ b> C of the side tank portion 21, and the output of the engine 4 a is transmitted to the screw drive case 70 via the transmission belt 71. The discharge screw 60 is configured to be driven. The driving force of the discharge screw 60 is generated by a gear transmission mechanism (not shown) provided in a relay case portion 60b provided at the conveyance terminal portion of the discharge screw 60 so as to connect the discharge screw 60 and the lifting auger portion 64. It is comprised so that it may transmit to the lifting screw of the lifting auger part 64. By means of a gear transmission mechanism (not shown) built in a relay case part 64a provided at the conveying terminal part of the lifting auger part 64 so as to connect the lifting auger part 64 and the discharge auger part 65, the lifting auger part The driving force of the 64 lifting screws is configured to be transmitted to a discharge screw (not shown) of the discharge auger portion 65.

[Another Example]
(1) In the above-described embodiment, an example in which only the front traveling wheel 1 out of the front traveling wheel 1 and the rear traveling wheel 2 is driven has been described. You may implement and employ | adopt the structure which drives only the rear traveling wheel 2 among the side traveling wheels 2, or the structure which drives the front and rear traveling wheels 1 and 2.

(2) In the above-described embodiment, the example in which the side tank portion 21 is disposed on the right side of the traveling machine body with respect to the threshing device 10 has been shown. It may be deployed and implemented so as to be located in the direction.

(3) In the above-described embodiment, the discharge screw 60 is configured to discharge the grain to the rear outer side of the side tank portion 21, and the lifting auger portion 64 of the carry-out auger 63 is disposed on the rear side of the grain tank 20. Although the example which employ | adopted the structure to arrange | position was shown, it comprises so that the discharge screw 60 may discharge | emit a grain to the front outer side of the side tank part 21, and the feeding auger part 64 is deployed to the front side of the grain tank 20. A configuration may be adopted.

(4) In the above-described embodiment, the example in which the cerealing device 40 is configured to include the bucket conveyor has been described, but the configuration may be performed by including only the screw conveyor.

  In the present invention, the cutting unit 30 is configured so as to cut a planted cereal in a single-stage cutting state in which the cereal is cut near the ground, and the threshing is performed so that the chopped cereal is introduced into the handling chamber 12 from the base to the tip. Instead of configuring the apparatus 10, the cutting part is configured to be cut in a two-stage cutting state in which the planted cereal is cut at two places, the place near the ground and the place between the place near the ground and the head, and the two stages It can also be used for a combine that constitutes a threshing device in which only the tip side of the harvested cereal culm is put into the handling room.

DESCRIPTION OF SYMBOLS 1, 2 Traveling wheel 4a Engine 10 Threshing apparatus 10a Top plate 10U Upper end 12 Handling chamber 13 Handling cylinder 13a Handling cylinder axis 20 Grain tank 21 Side tank part 21b Bottom part 21C Notch part 21D Lower end 22 Upper tank part 22a Bottom wall 22D Lower end 30 Cutting portion 35 Cutting device 60 Discharge screw 60a Screw shaft core 63 Unloading auger 64 Lifting auger portion 65 Discharge auger portion

Claims (7)

A combine provided with a threshing device for threshing the harvested cereal from the reaping unit and a grain tank for storing the threshed grains from the threshing device,
The traveling machine body is configured to be self-propelled by traveling wheels,
The threshing device includes a handling chamber in which the harvested cereal from the reaping unit is inserted from the cutting portion to the tip of the reaping device, and the handling cylinder is disposed around the handling cylinder axis in the front and rear direction of the traveling machine body. It is configured to be rotated and driven,
The grain tank includes a side tank portion located laterally with respect to the threshing device, and an upper tank portion communicating with the side tank portion in a state of being located above the threshing device. And
A combine in which a discharge screw is provided inside the grain tank in a state of being rotationally driven around a screw shaft core facing forward and backward of the traveling machine body, and a carry-out auger for carrying out the grain from the discharge screw is provided.   The combine according to claim 1, wherein the side tank part is formed such that a lower end thereof is positioned at a lower arrangement height than a lower end of the upper tank part and an upper end of the threshing apparatus. The bottom wall of the upper tank part is deployed in an inclined posture so that the threshing grains move by its own weight from the upper tank part to the side tank part,
The combine according to claim 2, wherein the discharge screw is arranged at a bottom portion of the side tank portion.   The unloading auger includes a feeding auger portion extending from a conveying terminal portion of the discharge screw to a lateral side opposite to the side tank portion side of the threshing device, and a terminal portion of the lifting auger portion. The combine according to claim 3, comprising a discharge auger portion extending.   The use posture in which the discharge auger portion extends from the end of the lifting auger portion to the lateral outer side of the traveling machine body opposite to the side where the side tank portion is located, and the side tank portion side of the threshing device The combine according to claim 4, wherein the discharge auger portion is swingably connected to the lifting auger portion so as to switch to a retracted posture that is positioned in a laterally opposite posture on the opposite side. An engine is arranged on the side of the side where the side tank of the traveling aircraft is located,
The combine according to any one of claims 2 to 5, wherein a cutout portion is provided in the lower portion on the front end side of the side tank portion so as to open toward the front of the traveling machine body and downward toward the traveling machine body and into which the engine enters. The top plate of the threshing device is supported so as to be able to swing up and down in an ascending open position and a descending closed position,
The combine according to any one of claims 1 to 6, wherein a bottom wall of the upper tank portion is detachably mounted.

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