JP2004236533A - Stretchable grain-discharging apparatus of combine harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To set a moving stretchable transport cylinder fit onto the outer periphery of a fixed transport cylinder of a stretchable grain-discharging apparatus for transporting and discharging the grains, at an arbitrary position, or release the set transport cylinder. <P>SOLUTION: This stretchable grain-discharging apparatus of the combine harvester is characterized by disposing the first position-changing device 15 to be operated on the manual stretching of the moving stretchable transport cylinder 13 fit onto the outer periphery of the fixed transport cylinder of the stretchable grain-discharging apparatus for transporting and discharging the grains, at least at the tip of the moving stretchable transport cylinder 13, and releasing the lock of the moving stretchable transport cylinder 13 by the holding operation of the first position-changing device 15 or locking the moving stretchable transport cylinder 13 by releasing the holding operation. An operation lever 14c for vertically or laterally moving the fixed transport cylinder 8 and the movable transport cylinder 13 in a state holding the first position-changing device 15, and a grain-discharging means 25 to be operated on the discharge of the grains outside of the combine harvester are disposed at places near to the first position-changing device 15, respectively. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention provides at least a first position changing device which is inserted into an outer peripheral portion of a fixed transfer tube for transferring and discharging grains and operated when a contractible transfer transfer tube is manually expanded and contracted, at least a transfer transfer tube. At the tip of the first position changing device, the locked state of the transfer cylinder is released by the gripping operation of the first position changing device, and the locked state is released by the release of the gripping operation. Available as a device.
[0002]
[Prior art]
For example, in the harvesting operation of the pilgrim culm with a combine, the combine is run on a cultivated planting field, and the culm is cut by a reaper provided in front of the combine. It is transferred to the rear upper part by a reaper, supplied to a threshing machine, threshed while being pinched and transported in the threshing machine, and threshed and sorted kernels are threshed into a grain storage tank provided on the side of the threshing machine. Supplied from the machine and temporarily stored.
[0003]
The discharge operation of discharging the grains stored in the grain storage tank to the outside of the machine is performed as described below.
In particular, as described in JP-A-11-168964, for example, the grains in the grain storage tank are supplied from the grain storage tank to a vertical transfer cylinder provided on the rear side, and It is pumped up by a vertical transfer spiral provided inside the transfer cylinder and supported by a shaft, and supplied into a fixed cylinder of the grain discharging device. Before starting the discharging operation, the moving cylinder of the grain discharging device is adjusted to a predetermined extended discharging position, set to the predetermined extended discharging position, and the discharging operation of the grain is started.
[0004]
The operation of moving the moving cylinder of the grain discharging device at the shortest discharging position to a predetermined extended discharging position is performed by pulling a lever attached to a handle provided at the distal end of the moving cylinder, and operating the connecting member of the lever. The moving pin inserted into the fixed cylinder by pulling out the connecting pin from the coupling hole at the shortest position of the plurality of coupling holes provided in the fixed plate provided in the fixed cylinder, Manually move the rotary shaft, which is rotatably supported inside the movable cylinder, in the longitudinal direction, extend it to the predetermined discharge position, and insert the coupling pin into the coupling hole of the fixed plate at the predetermined extension discharge position. Then, the pulling operation of the lever is released, and the movable cylinder and the rotary slide shaft are set to the predetermined extended discharge position.
[0005]
The grains supplied into the fixed cylinder are transported and supplied into the moving cylinder by fixed spiral wings of a hollow shaft rotatably mounted on the fixing cylinder, and the rotary sliding shaft rotatably mounted on the moving cylinder. It is transported by the telescopic helical wings and discharged out of the machine from the transfer end of the moving cylinder.
[0006]
[Patent Document 1]
JP-A-11-168964.
[0007]
[Problems to be solved by the invention]
Insertion into the fixed cylinder of the grain discharger and expansion and contraction adjustment of the telescopic movable cylinder are performed by connecting a plurality of connecting pins provided on the distal end of the lever operating connecting member to a fixed plate of the fixed cylinder. The movable cylinder cannot be set at an arbitrary position by being inserted into the hole and expanded and contracted. In addition, it is difficult to adjust the expansion and contraction by inserting the connecting pin into the connecting hole. However, the present invention is intended to solve these problems.
[0008]
[Means for Solving the Problems]
To this end, the present invention is directed to the invention according to the first aspect, wherein a fixed transfer tube 8 having a fixed transfer spiral 7 for receiving and transferring the grain and transporting and discharging the grain, and a fixed transfer tube 8 provided therein. The transfer cylinder 13 which can be extended and contracted in the longitudinal direction, and which is pivotally supported on the front and rear ends of a movable spiral shaft 9 which is rotatably mounted on the transfer cylinder 13. In a combine provided with the rearward movement transfer spirals 11 and 10 and a plurality of middle movement transfer spirals 12 and the like which are supported between the front and rearward movement transfer spirals 11 and 10 on the movement spiral shaft 9 so as to be extendable and contractible, A first position changing device 15 which is operated when the transfer tube 13 is manually expanded and contracted is provided at least at the distal end portion of the transfer tube 13, and the transfer tube 13 is gripped by the first position changing device 15. Is released, and the grip operation is released. More, in which the grain telescopic discharge device for a combine, characterized in that provided in order to lock state.
[0009]
Harvesting of the pilgrim culm with the combine is performed by running the combine on a cultivar planting field, and the culm is cut by the reaper provided in front of the combine. At the rear, and supplied to the threshing machine, threshed during pinching and transport in the threshing machine, and the threshed and sorted kernels are transferred to the grain storage tank provided on the right side of the threshing machine. It is supplied from a threshing machine and temporarily stored.
[0010]
When discharging the grains stored in the grain storage tank to the outside of the machine, the grains in the grain storage tank are supplied from the grain storage tank to a vertical transfer cylinder provided on the rear side. Then, it is pumped up by a vertical transfer spiral provided inside the vertical transfer cylinder and provided with a shaft support, and is supplied into a fixing transfer cylinder of the grain expansion / contraction discharge device. Before starting the discharge operation, the transfer cylinder 13 for moving the grain expansion / contraction discharge device is adjusted to a predetermined extended discharge position, set to the predetermined extended discharge position, and the discharge operation of the kernel is started. .
[0011]
The operation of moving the transfer tube 13 of the grain expansion / contraction discharge device at the shortest discharge position to a predetermined extended discharge position is performed by manually operating the transfer tube 13 at least when the transfer tube 13 is manually expanded and contracted. By gripping the first position changing device 15 provided at the distal end of the tube 13, the fixing tool provided on the moving transfer tube 13 and attached to the fixing transfer tube 8 is attached to the first position changing device 15. It is operated in conjunction with the gripping operation, the mounted state is released, the locked state of the transfer cylinder 13 is released, and the movable transfer cylinder 13 is in a state where it can be extended and moved.
[0012]
The unlocked state of the transfer cylinder 13 is manually adjusted to a predetermined extension / discharge position, and when the operation is completed to the predetermined extension / discharge position, the gripping operation of the first position changing device 15 is released. Then, in conjunction with this release operation, the fixing device is operated, the fixing device is mounted on the fixing transfer tube 8, the moving transfer tube 13 is locked, and is set to the predetermined discharge position. become.
[0013]
The grains supplied into the fixed transfer tube 8 of the grain expansion / contraction discharge device are transferred to the fixed transfer tube 8 by a fixed transfer spiral 7 which is rotatably mounted inside the fixed transfer tube 8, and set to a predetermined discharge position. And a movable transfer spiral 10 which is supplied into the transfer cylinder 13 for support and is rotatably supported by a telescopic movable transfer spiral 9 which is rotatably supported inside the transfer cylinder 13 for transfer, and a plurality of intermediate movable transfer spirals 12 which are expandable and contractible. Then, the grains are transferred by the front transfer transfer spiral 11 and the grains are discharged out of the machine from the discharge port of the discharge cylinder provided at the front end of the transfer cylinder 13 for transfer.
[0014]
According to the second aspect of the present invention, an operation lever 14c is provided for operating the fixed transfer tube 8 and the transfer tube 13 in the vertical and horizontal directions while holding the first position changing device 15 in a gripped state. A grain expansion / contraction device for combine harvesters according to claim 1.
[0015]
When the grains stored in the grain storage tank are discharged to a predetermined discharge position outside the machine by the grain expansion / contraction device, the transfer for transportation inserted into the fixing transfer cylinder 8 of the grain expansion / contraction device. The first position changing device 15 that is operated when the tube 13 is expanded and contracted is operated in the gripping state to perform the expansion and contraction operation. When operating the transfer tube 8 for fixing and the transfer tube 13 for movement in the up-down direction and the left-right direction, the first position changing device 16 is operated to a gripping state, and the distal end of the transfer tube 13 for movement is moved. Is operated in the front-rear direction or the left-right direction to rotate to a predetermined vertical position. Further, it is turned to a predetermined left-right position.
[0016]
In the invention according to claim 3, a grain discharging means 25 is provided near the first position changing device 15 and operated when discharging the grain outside the machine. According to a first aspect of the present invention, there is provided a grain expansion / contraction device for combine harvesters according to the second aspect.
[0017]
When discharging the grains stored in the grain storage tank to the outside of the machine, the grain discharging means 25 provided at the tip of the transfer cylinder 13 near the first position changing device 15 is set to “ "In" operation, the tank transfer spiral supported inside the grain storage tank, the vertical transfer spiral supported inside the vertical transfer cylinder, the fixed transfer screw 7 supported inside the fixed transfer cylinder 8, and the transfer The moving spiral shaft 9 rotatably supported inside the transfer cylinder 13 and the rear / middle / front moving transfer spirals 10, 12, 11 are driven to rotate, and these tank transfer spiral, vertical transfer spiral, and each transfer spiral 7, 10,. At 12 and 11, the grain is transferred to each part and discharged from the discharge port of the discharge cylinder of the transfer cylinder 13 to the outside of the machine.
[0018]
【The invention's effect】
According to the first aspect of the present invention, the grain transfer device is inserted into the outer peripheral portion of the fixed transfer tube 8 of the grain expansion / contraction device, and is operated when the movable transfer tube 13 that can be freely expanded and contracted is manually expanded and contracted. The first position changing device 15 is provided at least at the distal end of the transfer cylinder 13, and the locked state of the transfer cylinder 13 is released by the gripping operation of the first position changing device 16, and the gripping operation is released. As a result, the movable transfer cylinder 13 can be expanded and contracted at the distal end of the transfer cylinder 13 even during the grain discharging operation, thereby improving operability. The width can be improved.
[0019]
In the invention according to claim 2, the fixing transfer tube 8 and the transfer tube 13 of the grain expansion / contraction device are operated in the up-down direction and the left-right direction while the first position changing device 15 is held. By providing the operating lever 14c, the operability of the up-down movement and the left-right turning movement operation of the grain expansion / contraction discharge device can be greatly improved.
[0020]
According to the third aspect of the present invention, the grain discharging means 25, which is operated when discharging the grains outside the machine, is provided near the first position changing device 15, so that the grain discharging operation and the moving of the grain can be performed. The operability of the expansion and contraction operation of the transfer cylinder 13 can be greatly improved.
[0021]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
A fixing transfer cylinder 8 having a fixed transfer spiral 7 of a grain expansion / contraction discharge device 6 for discharging the grains in the grain storage tank 4c placed on the upper side surface of the traveling platform 2 of the combine 1 to the outside of the machine; A movable transfer cylinder 13 which is inserted into the outer peripheral portion of the fixing transfer cylinder 8 and can be extended and contracted in the longitudinal direction; A first and a second movable transfer spirals 11 and 10 supported by the movable spiral shaft 9; The position changing device 15 is provided at least at the front end of the transfer tube 13 and at the front end of the discharge tube 14. The locked state of the transfer cylinder 13 is released by the gripping operation of the first position changing device 15, and the locked state is obtained by releasing the gripping operation. Further, an operation lever 13a for operating the grain expansion / contraction discharge device 6 in the up-down direction and the left-right direction while holding the first position changing device 15 and a grain discharge means 25 for operating when the grain is discharged outside the machine. Is a configuration provided in the vicinity of the first position changing device 16 to the discharge cylinder 14. The first position changing device 16, the operation lever 14c, and the grain discharging means 25 are mainly illustrated and described.
[0022]
As shown in FIG. 24, a traveling device 22 having a pair of left and right traveling crawlers 22a traveling on the soil surface is disposed below the traveling platform 2 of the combine 1, and above the traveling platform 2, threshing is performed. This is a configuration in which the machine 4 is mounted. The reaping culm is cut by the reaper 3 at the front part of the traveling chassis 2, and the reaping culm is transferred to the rear upper part by the reaper 3 and is taken over by the feed chain 4a of the threshing machine 4 and the holding rod 4b. Then, it is threshed while being pinched and transported. Threshed and sorted kernels are temporarily stored in a grain storage tank 4c, which is disposed on the right side of the threshing machine 4 and has a tank transfer spiral 4d at the bottom pivotally supported in the front-rear direction.
[0023]
In the front part of the traveling undercarriage 2, as shown in FIG. 24, a narrow guide 19 a for separating the erected grain from the front end position, each weed body 19 b, and each raising device 19 c for raising the erected grain culm were raised. Each rake device 20a of the cereal stalk stalk transfer device 20 for squeezing the stalks, a cutting blade device 19d for cutting the stalked stalks, and a thinning machine 4 for nipping and transferring the cut stalks. The reaper 3 is provided with a feed chain 4a, and a root / ear tip transfer device 20b / 20c of the cereal stalk scraping transfer device 20 to be transferred to the holding rod 4b. The reaper 3 is configured to move up and down with respect to the soil surface by a telescopic cylinder 19e driven by hydraulic pressure.
[0024]
A support pipe 23b is provided at the upper end of the support rod 23a inclined from the lower front part to the upper rear part of the reaper 3 in the left-right direction. The reaper 3 is configured to rotate up and down around the support pipe rod 23b by the operation of the telescopic cylinder 19e.
[0025]
At the front of the grain storage tank 4c, an operating device 21a for starting, stopping, and adjusting the components of the combine 1 as shown in FIG. 24, and a backrest 21c on which an operator performing these operations is mounted. And an engine 21e is mounted on the upper surface of the traveling chassis 2 below the cockpit 21b, and a grain storage tank 4c is arranged behind the cockpit 21b. The traveling device 22, the reaper 3, the threshing machine 4, the engine 21e, and the like form a main body 1a of the combine 1.
[0026]
In the grain stalk transport path formed by the grain stalk raking and transferring device 20 of the reaper 3, by contacting the grain stalks that are cut and transported, it is determined whether or not the grain stalks are supplied to the threshing machine 4. This is a configuration provided with a grain culm sensor 3a to be detected.
In a transmission path of a transmission mechanism 24a in a traveling transmission case 24 mounted on the front end of the traveling chassis 2, a potentiometer type vehicle speed sensor 24b for detecting a traveling vehicle speed based on the output thereof is provided. Configuration.
[0027]
At the bottom of the grain storage tank 4c, a tank transfer spiral 4d for transferring the stored grains rearward is provided pivotally supported in the front-rear direction, and the grains transferred rearward are taken over to change the direction. The joint case 5b is mounted on the outer surface of the rear plate of the grain storage tank 4c. On the upper side of the joint case 5b, a vertical transfer cylinder 5 internally supporting a vertical transfer spiral 5a is provided so as to be rotatable in a substantially vertical posture, and takes over and transports the grains in the grain storage tank 4c. is there.
[0028]
At the upper end of the vertical transfer cylinder 5, as shown in FIGS. 1 to 22, and 24, the upper end is used as a fulcrum, and is manually extended, stretchable, automatically vertically rotatable, and swivelable, and the grain is machined. This is a configuration in which a grain expansion / contraction discharge device 6 for discharging to outside is provided.
As shown in FIGS. 1 to 22 and 24, the grain expansion / contraction discharge device 6 is configured such that the fixed transfer spiral 7 is internally supported on a fixed transfer tube 8 and inserted into the outer periphery of the fixed transfer tube 8. The movable transfer cylinder 13 which can be extended and contracted by hand, the discharge cylinder 14 at the distal end, the transfer cylinder 13 and the discharge cylinder 14, which are internally mounted to the movable spiral shaft 9 which can be extended and retracted. It comprises a front / rear / middle moving transfer spiral 11, 11 and 12 which is pivotally supported, and a first position changing device 15 which is operated when the moving transfer cylinder 13 is manually extended and contracted. Further, a second position changing device 16 is provided on the transfer start end side of the transfer tube 13, and operation of one of the first and second position changing devices 15, 16 causes the transfer tube 13 to move. May be configured to expand and contract.
[0029]
The first position changing device 15 is at least a distal end portion of the transfer cylinder 13 of the grain expansion / contraction discharge device 6 as shown in FIGS. This is a configuration provided on the front outer surface of the discharge cylinder 14 provided at the distal end. By the gripping operation of the first position lever 15a of the first position changing device 15, in conjunction with this gripping operation, the fixed platen 28c of the fixture 28 provided on the transfer start end side of the transfer cylinder 13 is moved for fixing. It is configured to be detached from the outer peripheral portion of the cylinder 8 via the transfer cylinder 13 and to release the locked state of the transfer cylinder 13. When the gripping operation of the first position lever 15a of the first position changing device 15 is released, the fixing plate 28c of the fixture 28 provided on the transfer cylinder 13 is moved in conjunction with the release of the gripping operation. The transfer tube 8 is mounted on the outer peripheral portion of the transfer tube 8 via the transfer tube 13, and the transfer tube 13 is locked.
[0030]
The first position changing device 15 which is inserted into the outer peripheral portion of the fixed transfer tube 8 of the grain expansion / contraction discharge device 6 and which is operated when the movable transfer tube 13 capable of expansion / contraction is manually operated to extend / contract is moved. The transfer cylinder 13 is provided at least at the distal end of the transfer cylinder 13, and the locked state is released by the gripping operation of the first position changing device 15, and the locked state is released by releasing the gripping operation. According to the above, even when the grain is being discharged, the operability can be greatly improved by performing the expansion and contraction operation of the transfer tube 13 at the tip of the transfer tube 13. .
[0031]
As shown in FIG. 23, various levers for running, mowing, and threshing, various switches, and the like are provided on the outer surface of the surface plate 21d of the operating device 21a. An ON-OFF switch type stop switch 26a operated when stopping the grain expansion / contraction device 6 and the like, a lamp switch 26b, and the like are provided.
[0032]
The operation lever 14c operated when the fixing transfer tube 8 and the moving transfer tube 13 of the grain expansion / contraction device 6 are turned in the up-down direction and turned in the left-right direction is shown in FIGS. As shown by reference numeral 2, the transfer tube 13 is provided on the front outer surface of the discharge tube 14 at the front end of the transfer tube 13, and is rotatably provided on the upper surface of the front support frame 29 on which the first position changing device 15 is mounted. .
[0033]
The operation lever 13a is, for example, by operating the operation lever 14c forward or backward when the transfer cylinder 13 for movement is in the unlocked state in the gripping operation state of the first position changing device 15, and thereby the grain expansion and contraction. The discharge device 6 is configured to be raised or lowered, and by operating the operation lever 14c to the left or right, the grain expansion / contraction discharge device 6 is controlled to turn left or right. The configuration is controlled.
[0034]
By operating the operation lever 14c with the first position changing device 15 in the gripping state operation and the moving transfer cylinder 13 in the unlocked state, the grain expansion / contraction discharge device 6 can be vertically turned and left / right turned. In addition, the operability of the up-down movement and left-right turning movement operation of the grain expansion / contraction discharge device 6 can be greatly improved.
[0035]
The rotational power of the engine 21e is transmitted to the grain storage tank 4c, the vertical transfer cylinder 5, the grain expansion / contraction device 6, and the like, and the grains stored in the grain storage tank 4c are discharged outside the machine. The paddy discharge lever 25a of the grain discharge means 25 operated when performing is one of the discharge tubes 14 at the front end of the transfer tube 13 in the vicinity of the first position changing device 15 as shown in FIGS. The grains in the grain storage tank 4c are discharged to the outside of the machine by operating the "pad" operation of the paddy discharge lever 25a of the grain discharge means 25 so as to be rotatably supported on the side of the grain. Configuration.
[0036]
By the "input" operation of the paddy discharge lever 25a of the grain discharge means 25, the rotational power of the engine 21e is put into a tank transfer spiral 4d pivotally mounted on the grain storage tank 4c and is rotationally driven. By the rotation drive of 4d, the vertical transfer screw 5a of the vertical transfer tube 5, the fixed transfer screw 7 of the fixed transfer tube 8, the moving screw shaft 9 of the transfer tube 13, and the front / middle / rear moving transfer screw 11 , 12 and 10 are rotated, and the grains in the grain storage tank 4c are sequentially discharged outside the machine.
[0037]
The paddy discharge lever 25a of the grain discharge means 25 operated when discharging the grains in the grain storage tank 4c to the outside of the machine is provided on the discharge cylinder 14 in the vicinity of the first position changing device 15. In addition, the operability can be greatly improved by simultaneously performing both the operation of discharging the grain and the operation of extending and retracting the transfer cylinder 13 for movement.
[0038]
As shown in FIGS. 3, 4, and 14 to 18, the fixing transfer tube 8 of the grain expansion / contraction discharge device 6 includes a rear support metal 27 and a transfer metal 5c provided at the upper end of the vertical transfer tube 5. The fixed transfer tube 8 is provided with a fixed transfer spiral 7 which is rotatably supported inside. The fixed transfer spiral 7 has a fixed spiral plate 7b fixed to the outer periphery of the fixed spiral shaft 7a. This is the configuration provided. An inner diameter portion of the fixed spiral shaft 7a is formed in a round hole, and a hexagonal hole is formed in an inner diameter portion of the transfer terminal end portion, which is smaller in diameter than the round hole and in which a moving spiral shaft 9 described later is inserted and slides and moves. The auxiliary shaft 7c is provided so as to be pivotally supported. In the lower part of the outer periphery of the fixing transfer cylinder 8, a reinforcing plate 8a is provided.
[0039]
As shown in FIGS. 17 and 18, an outer boss 27a on the outer periphery of the rear support metal 27 is fixed to the transfer end portion of the fixing transfer tube 8 by protruding from the outer peripheral portion of the fixing transfer tube 8. The auxiliary shaft 7c is provided at the inner diameter of the rear support metal 27 so as to be pivotally supported. The inner diameter of the fixed screw shaft 7a of the fixed transfer screw 7 at the transfer end is supported by the outer diameter of the transfer start end of the auxiliary shaft 7c, and the outer diameter of the transfer start end is fixed to the inner part of the takeover metal 5c. This is a configuration supported by the provided receiving metal 5d. Reference numeral 7d denotes a receiving bush, which has a configuration in which the moving spiral shaft 9 is supported.
[0040]
As shown in FIGS. 3, 4, 14, 17, and 18, the transfer cylinder 13 protrudes from the outer periphery of the fixed transfer cylinder 8 and an outer boss 27 a on the outer periphery of the support metal 27. The fixing transfer tube 8 is configured such that it can be freely moved to the outer periphery with an outer metal 27b provided on the outer periphery of the fixing transfer tube 8 and contractably inserted into the outer periphery of the fixing transfer tube 8. At the front end of the transfer cylinder 13, a discharge cylinder 14 having a grain discharge port 14 a for discharging grains outside the machine is provided on the lower side.
[0041]
As shown in FIG. 3, FIG. 4, and FIG. 17, the transfer helical shaft 9 is provided on the transfer tube 13 and the discharge tube 14 by a rear support metal 27 and a front support metal 14b provided on the discharge tube 14. It is a configuration in which the interior is supported so as to be movable and contractible.
As shown in FIG. 3, FIG. 4, and FIG. 17 to FIG. 19, a rearward transfer spiral 10 is provided at the transfer start end and the transfer end of the movable spiral shaft 9 that is internally supported by the transfer cylinder 13. In this configuration, the front moving transfer spiral 11 is supported and fixed by bolts or the like.
[0042]
As shown in FIGS. 3, 4, and 17 to 19, the rear moving transfer spiral 10 is provided with a support plate 10b fixed to a rear fixing boss 10a, and the support plate 10b and the rear fixing boss 10a , The movable spiral plate 10c is fixedly provided. Further, the supporting plate 10b is provided with a connecting portion 10d, and the connecting portion 10d is engaged with one connecting portion 12d provided on the moving spiral plate 12c of the adjacent middle moving transfer spiral 12. . The inner diameter portion of the rear fixed boss 10a is inserted into the outer diameter portion of the transfer end portion of the auxiliary shaft 7c, and is attached and provided with a bolt or the like.
[0043]
As shown in FIGS. 3, 4, and 19, the front moving transfer spiral 11 is provided with a support plate 11b fixed to the front fixed boss 11a, and the support plate 11b and the front fixed boss 11a are provided with a moving spiral. In this configuration, the plate 11c is fixedly provided. Further, the supporting plate 11b is provided with a connecting portion 11d, and the connecting portion 11d is engaged with one connecting portion 12d provided on the moving spiral plate 12c of the adjacent middle moving transfer spiral 12. . The inner diameter portion of the front fixed boss 11a is inserted into the hexagonal outer diameter portion of the transfer terminal portion of the moving spiral shaft 9, and is mounted and provided with bolts or the like.
[0044]
As shown in FIGS. 3, 4, and 19 to 21, the middle moving transfer spiral 12 includes a middle moving boss 12 a, a large-diameter boss 12 b, and a moving spiral plate 12 c having coupling portions 12 d at both ends. This is a structure integrally molded with a resin material or the like.
As shown in FIGS. 20 and 21, the middle moving transfer spiral 12 is provided between the front and rear moving transfer spirals 11 and 10 attached to the front and rear ends of the moving spiral shaft 9 of the moving transfer cylinder 13. The movable transfer spiral 12 is supported by the movable spiral shaft 9 so as to be able to expand and contract freely, and when the adjacent medium movable transfer spirals 12 are in the most extended state, the respective coupling portions 12d provided on the respective movable spiral plates 12c are It is a configuration in which they are engaged with each other, and does not extend beyond a predetermined length.
[0045]
The transfer cylinder 13 for movement has a configuration in which the transfer cylinder 13 for movement can be manually extended or contracted in the longitudinal direction by a gripping operation of the first position changing device 15 or a second position changing device 16 described later. is there. Further, the moving spiral shaft 9 and each of the middle moving spirals 12 are configured to be able to extend or contract at the same time as the moving transfer cylinder 13 expands and contracts. Further, it is configured to be able to be fixed to an arbitrary position by a grip release operation.
[0046]
As shown in FIG. 1 to FIG. 4, the configuration of the expansion / contraction movement of the transfer tube 13 is such that the first position changing device 15 includes at least the discharge tube 14 provided at the distal end of the transfer tube 13. This is a configuration provided on a front support frame 29 provided on the front outer surface. The second position changing device 16 is provided on an upper support 13a provided on the lower side of the outer periphery near the transfer start end of the transfer tube 13 for movement. A configuration in which the first and second position changing devices 15 and 16 are integrally mounted will be described with reference to the drawings.
[0047]
When only the first position changing device 15 is mounted and the moving transfer tube 13 is operated to expand and contract, the lower portion of the upper support 13a, which will be described later, is provided below the outer periphery of the moving transfer tube 13. The operation is performed by removing the front side of the lower support 13b provided. When only the second position changing device 16 is mounted and the moving transfer cylinder 13 is operated to expand and contract, the first position changing device 15 has a first position lever 15a, a support pin 15b, a wire 16f, and the like, which will be described later, removed. Operation.
[0048]
As shown in FIGS. 1 to 4, the second position changing device 16 is provided with a substantially box-shaped upper support 13 a attached to the lower part of the outer periphery of the transfer start end of the transfer tube 13. A lower support 13b and a middle support 13c are provided below the frame 13a, and a support plate 13d is mounted on the lower side of the outer periphery of the transfer tube 13 in the upper support plate 13a. It is a configuration provided.
[0049]
Inside the upper support 13a, an L-shaped and U-shaped second position lever 16a is rotated by a front support pin 16b pivotally supported by the upper support 13a and the middle support 13c. It is configured to be freely suspended in a suspended state. The support plate 13d is configured such that a support plate 28b of the fixture 28 is rotatably supported by a rear support pin 16c. The support plate 28b and the second position lever 16a are connected by a connection pin 16d.
[0050]
As shown in FIGS. 1 to 4, the first position changing device 15 is provided with a support frame 29 attached to the front end of the discharge tube 14 at the front end of the transfer tube 13. The first position lever 15a is rotatably supported by a support pin 15b. The first position lever 15a of the first position changing device 15 and the second position lever 16a of the second position changing device 16 are connected by a wire 16e.
[0051]
Either the first position lever 15a of the first position changing device 15 or the second position lever 16a of the second position changing device 16 is gripped and pulled, or pulled and released. By doing so, the moving transfer cylinder 13 can be manually operated to expand and contract and can be fixed to an arbitrary position.
[0052]
As shown in FIGS. 1 and 2, the fixing member 28 is provided with a support plate 28b fixed to an outer peripheral portion of a support boss 28a, and is made of an elastic material at a distal end portion. For example, a mounting bolt 28d to which a fixing plate 28c made of a rubber material, a resin material, or the like is mounted is inserted into the support boss 28a, and mounted with a nut 28e or the like.
[0053]
Operation of any one of the first and second position changing devices 15 and 16 for abutting the outer peripheral portion of the fixing transfer tube 8 of the grain expansion / contraction discharge device 6 to fix the transfer tube 13 at an arbitrary position. Since the fixing plate 28c of the fixture 28 for setting and releasing the transfer tube 13 is formed of an elastic material, the setting and release of the transfer tube 13 are simple and inexpensive. Also, it can be set reliably. Further, it is easy to set at an arbitrary position.
[0054]
The front support pin 16b is provided with a torque spring 28f between the second position lever 16a and the middle support 13c. By the action of the torque spring 28f, the fixing plate 28c of the fixing device 28 is pressed against the outer peripheral portion of the fixing transfer tube 8, and fixes the moving transfer tube 13 to an arbitrary position in the longitudinal direction.
[0055]
When the transfer cylinder 13 of the grain expansion / contraction discharge device 6 is operated to extend / contract to any position in the longitudinal direction, the first position lever 15a of the first position change device 15 or the second position change device 16 When one of the second position levers 16a is gripped and pulled, the operation is directly performed with the second position lever 16a in conjunction with this operation. Alternatively, in the case of the first position lever 15a, the fixing plate 28c of the fixing device 28 is pivotally moved downward about the rear support pin 16c via the wire 16e, and the pressing of the fixed plate 28c is released. , The set is released. By the release of the pressing, the transfer cylinder 13 can be freely extended or contracted, and can be pushed or pulled to an arbitrary position, and the movable transfer cylinder 13 can be expanded or contracted to an arbitrary position. When the one-position lever 15a or the second-position lever 16a is gripped and the pull operation is released, the fixing plate 28c of the fixing tool 28 of the first and second position changing devices 15, 16 is moved to a predetermined position. 8, the transfer cylinder 13 for movement is set to a predetermined telescopic position.
[0056]
The movable transfer tube 13 which is inserted into the outer peripheral portion of the fixed transfer tube 8 of the grain expansion / contraction discharge device 6 which transfers and discharges the kernel, and is capable of extending and contracting, is provided with the first position changing device 15 or the second position changing device. By gripping and pulling one of the devices 16, the transfer cylinder 13, the internal moving spiral shaft 9, and each of the medium transfer spirals 12 are manually moved in the longitudinal direction of the transfer cylinder 13. , Can be extended and retracted to an arbitrary position, and can be fixed to an arbitrary position, so that it can be extended and retracted from either the cockpit 21b side or the grain discharge opening 14a side, and operability is improved. Could be greatly improved. In addition, it can be set to an arbitrary position in a stepless manner by manual operation, and the adaptability of grain discharge has been improved. Further, when the grains are discharged to the truck, the structure can be extended and contracted even from above the truck.
[0057]
When discharging the grains stored in the grain storage tank 4 to the outside of the machine, the distal end portion of a transfer cylinder 13 for movement that is provided to be able to expand and contract as shown in FIGS. Is configured to be rotatably provided in the vicinity of the discharge opening 14a of the discharge cylinder 14 and to perform the "input" operation of the rice discharge lever 25a of the grain discharge means 25 for performing the "input"-"off" operation.
[0058]
By the “input” operation of the paddy discharge lever 25a, a grain discharge driving device 18 described later is operated, and a tank transfer spiral 4d in the grain storage tank 4c, a vertical transfer spiral 5a of the vertical transfer cylinder 5, and a The fixed transfer spiral 7 of the fixed transfer cylinder 8 of the grain expansion / contraction discharge device 6, the moving spiral shaft 9 of the moving transfer cylinder 13, and the front / rear / medium moving transfer spirals 11, 10, and 12 rotate the engine 20 a. The power is input to the threshing machine 4, the rotational power of the threshing machine 4 is input to the tank transfer spiral 4d of the grain storage tank 4c, and the rotation is driven via the tank transfer spiral 4d of the grain storage tank 4c, The grains in the grain storage tank 4c are discharged outside the machine.
[0059]
A rotatable tension clutch device 18a of a grain discharge drive device 18 for turning on and off power is provided on a belt 18b that rotationally drives a tank transfer spiral 4d of the grain storage tank 4 from the threshing machine 4. Is provided on the main body 1a side as shown in FIG.
[0060]
The tension clutch device 18a of the grain discharge drive device 18 and the paddy discharge lever 25a provided on one side surface near the discharge port 14a of the discharge tube 14 are connected to each other by a wire cable 25c of a connecting tool 25b as shown in FIG. 5 and FIG. 10 are connected. The paddy discharge lever 25a is configured to be rotatably supported by a support shaft 25d provided on the discharge tube 14. By the “enter” operation of the paddy discharge lever 25a, the tension clutch device 18a is “input” operated, and the transfer spirals 4d, 5a, 7, 11, 12, 10 and the like of the respective parts are rotationally driven via the belt 18b. The grains in the grain storage tank 4 are discharged outside the machine.
[0061]
The wire cable 25c is provided above the outer peripheral portion of the fixing transfer tube 8 as shown in FIGS. 1 to 5 and FIGS. This is a configuration in which it is stored in the tool 30. The length of the wire cable 25c of the connector 25b provided and connected between the paddy discharge lever 25a and the tension clutch device 18a of the grain discharge drive device 18 in accordance with the extension or contraction operation of the transfer cylinder 13 is , The wire adjusting tool 30 is used to automatically adjust to an extended state or a contracted state. The wire cable 25c has a length that is optimal for the transfer tube 13 and does not hang down during contraction.
[0062]
In the vicinity of the discharge port 14a of the discharge cylinder 14 that discharges the grains, when discharging the grains in the grain storage tank 4c to the outside of the machine, the paddy discharge lever 25a of the grain discharge means 25 operated. , The wire cable 25c and the connection to the tension clutch device 18a, both the operation of discharging the grain and the operation of expanding and contracting the transfer cylinder 13 for movement of the grain expansion / contraction discharge device 6 reduce the discharge cylinder 14 Operability is improved. In addition, the length of the wire cable 25c of the connecting tool 25b is automatically adjusted to an extended state or a contracted state by the wire adjusting tool 30, so that the length is optimally set for the extended and contracted state of the transfer tube 13 for movement. Become. Further, the wire cable 25c does not hang down, so that it does not catch on other parts, and the expansion / contraction operation of the transfer cylinder 13 is easy.
[0063]
As shown in FIG. 9, the wire adjuster 30 is mounted on the upper part of the outer periphery of the fixed transfer tube 8 at the rear from the shortest contraction position of the transfer tube 13. Does not come into contact even if the moving transfer cylinder 13 is contracted to the shortest contracted position.
[0064]
The wire adjuster 30 is provided on the upper side of the outer periphery of the fixed transfer tube 8 behind the transfer start end when the transfer tube 13 is moved to the shortest contraction position. The storage tube 8 for fixing is easily stored in the auger receiving device 17 which will be described later.
[0065]
The connection tool 25b is configured by a wire cable 25c or the like as shown in FIGS. 1 to 5 and FIGS. 7 to 9, and the wire cable 25c is housed in the wire adjustment tool 30 as described above. In the accommodating portion of the wire adjusting tool 30, the wire cable 25c extends in the wire adjusting tool 30 or passes in the contracting direction. , Or in a contracted state.
[0066]
The connection tool 25b is configured by a wire cable 25c or the like, and in the accommodation in the wire adjustment tool 30, the wire cable 25c is configured to pass through the wire adjustment tool 30 to extend the wire cable 25c, and The operation to the contracted state is easy. In addition, the adaptability to the expansion and contraction of the transfer cylinder 13 can be improved. Further, the configuration is simple and the cost can be reduced.
[0067]
The wire adjuster 30 is provided at the transfer start end of the fixing transfer tube 8 as shown in FIG. 3 to FIG. 9 and has a support (T) having substantially the same width (T) as the outer diameter (D) of the fixing transfer tube 8. This is a configuration provided by being housed in the frame 30a. The intermediate portion of the wire cable 25d attached to the paddy discharge lever 25b of the grain discharge means 18 housed in the wire adjuster 30 is attached to the takeover metal 5c with a clamp 30b.
[0068]
The width (T) of the support frame 30a of the wire adjusting tool 30 and the outer diameter (D) of the fixing transfer tube 8 are substantially the same, so that when the sheet is hung on the combine 1, the sheet is hooked. Can be prevented. In addition, by widening the width (T), the bending of the wire adjuster 30 can be easily performed, and the operation load can be reduced.
[0069]
The second position changing device 16 provided on the transfer start end side of the transfer tube 13 of the grain expansion and contraction discharge device 6 and operated when the transfer tube 13 is moved in a telescopic manner moves as shown in FIG. When the transfer cylinder 13 is contracted and moved to the shortest position, a driver is mounted on the cockpit 21b, which operates and operates the combine 1, in the vicinity of the backrest 21c of the cockpit 21b or in the front portion. is there.
[0070]
When the transfer cylinder 13 for movement is contracted to the shortest contraction position, the second position changing device 16 is provided at a position near the backrest 21c of the cockpit 21b or at a position in front of the cockpit 21. The driver on board 21b can easily operate the second position changing device 16. In addition, the configuration is such that the operating force can be easily applied.
[0071]
The second position changing device 16 provided at the transfer start end side of the transfer tube 13 of the grain expansion and contraction discharge device 6 and operated when the transfer tube 13 is moved in and out is moved as shown in FIG. When the transfer cylinder 13 is extended and moved to the longest extension position, the transfer cylinder 13 is provided in front of the reaper 3 so as to be located inside the weeding body 19b for separating the cereal culm by a predetermined distance (L1).
[0072]
When the transfer cylinder 13 is extended to the longest extension position, the second position changing device 16 is positioned inside the weeding body 19b provided in front of the reaper 3 so that the transfer cylinder 13 is moved. Even when the cylinder 13 is extended to the maximum extension state, the operability is improved by the hand of the driver reaching the second position changing device 16. Further, the structure is easy to operate.
[0073]
When the transfer tube 13 of the grain expansion / contraction device 6 is contracted to the shortest contraction position, the transfer start end side (a) of the transfer tube 13 is fixed as shown in FIG. Is provided so as to stop at a predetermined distance (L2) position on the front side of the auger receiving device 17 that supports the auger.
[0074]
As shown in FIG. 13, the auger receiving device 17 is provided with a receiving column 17a mounted on the outer side surface of the right side plate of the threshing machine 4, and an upper end of the receiving column 17a has a substantially U-shape. The receiving guide 17b is fixedly provided. The receiving guide 17b supports the fixing transfer cylinder 8.
[0075]
When the moving transfer tube 13 is contracted to the shortest contraction position, the transfer start end of the moving transfer tube 13 is stopped before the auger receiving device 17 that supports the fixed transfer tube 8. Thus, the auger receiving device 17 supports the transfer tube 8 for fixing, and even if the transfer tube 13 for transfer inserted into the transfer tube 13 for fixation is in the shortest contraction state, the transfer tube 8 for this transfer is manually operated. The extension operation of the transfer cylinder 13 is possible. Further, the extension operation is convenient.
[0076]
The vertical transfer structure of the fixed transfer tube 7 and the transfer tube 13 of the grain expansion / contraction discharge device 6 includes a takeover metal 5c provided at the upper end of the vertical transfer tube 5 as shown in FIGS. Is a configuration in which one side is vertically rotatably connected as a configuration divided into right and left. On the other fixed side, a rotating tool 31a that is driven to rotate vertically by a vertical motor 31 and a mounting plate 32a of a mounting tool 32 provided on the fixing transfer cylinder 8 are connected by a connecting tool 31b. A gas damper 33 is provided between each upper mounting plate 33a provided on the vertical transfer cylinder 5 and each lower mounting plate 33b provided on the vertical transfer cylinder 5.
[0077]
The rotating tool 31a is rotated by the forward rotation or the reverse rotation driving of the vertical motor 31, and the fixing transfer cylinder 8 and the transfer cylinder 13 are connected via the connecting tool 31b and the mounting tool 32. Is a configuration in which the upward movement or the downward movement is controlled. The gas dampers 33 are also controlled to move up or down with the control of the movement up or down. The gas dampers 33 are used for assisting.
[0078]
As shown in FIG. 14, the vertical transfer cylinder 5 is provided with a rotation motor 34, and a rotating tool 34a is provided below the rotation motor 34. The turning tool 34a is driven to turn left or right by the forward or reverse rotation of the turning motor 34, and the vertical transfer cylinder 5 is turned left or right from the upper part of the joint case 5b. The fixed transfer tube 8 and the transfer transfer tube 13 are configured to turn left or right.
[0079]
Since the transfer cylinder 13 for moving the grain expansion / contraction device 6 from the cockpit 21b is extended / contracted by manual operation, the grain expansion / contraction device 6 particularly suitable for the small combine 1 can be obtained. it can. Further, a low-cost product can be obtained. Further, the structure is such that the grain discharging performance is not reduced by being able to move up and down and turn left and right.
[0080]
As shown in FIGS. 17 and 22, approximately three equal parts are arranged on the outer periphery of the transfer start end of the transfer tube 13 of the grain expansion / contraction device 6, and upper roller devices 35, 35 are provided on the upper part. And a lower roller device 36 on the lower side. Each of the upper roller devices 35 has an upper roller guide 35a protrudingly mounted on an outer peripheral portion of the transfer start end of the transfer tube 13 and is mounted on the upper roller guide 35a. An upper roller 35b is rotatably supported by an upper roller shaft 35c, and an outer peripheral portion of each upper roller 35b contacts an outer peripheral portion of the fixing transfer cylinder 8 and moves while rotating. It is.
[0081]
The lower roller device 36 is mounted with the lower roller guide 36a protruding from the outer peripheral portion of the transfer start end of the transfer tube 13 and a rubber material on one end of the lower roller guide 36a. And a lower roller 36b made of a resin material or the like is provided so as to be pivotally supported on the lower roller shaft 36c, and the outer peripheral portion of the lower roller 36b contacts the outer peripheral portion of the fixing transfer cylinder 8 and moves while rotating. is there.
[0082]
As shown in FIGS. 25 and 26, the transfer tube 13 is provided with a handle device 37 which grips the transfer tube 13 at the time of expansion and contraction and performs an expansion and contraction operation. It is the structure provided in.
The handle device 37 inserts the inner cylinder 37b into the outer cylinder 37a attached to the lower part of the outer periphery of the transfer cylinder 13 so as to be vertically movable, and has a mounting plate 37c provided on the transfer cylinder 13 and an inner cylinder 37b. Is provided with a tension spring 37d provided inside the outer and inner cylinders 37a and 37b. When the transfer cylinder 13 for movement is expanded and contracted, the inner cylinder 37b is gripped and pulled out, and then expanded and contracted. When the gripping of the inner cylinder 37b is released after the end of the extension / contraction operation, the inner cylinder 37b is restored to the original position.
[0083]
Thus, when the transfer cylinder 13 for movement is extended and retracted, the handle device 37 that is gripped and operated is of the retractable type, so that the extension and movement operation can be easily performed.
The discharge tube 14 provided at the front end of the transfer tube 13 and the front support frame 29 provided at the front side of the discharge tube 14 are integrally formed as shown in FIG.
[0084]
Thus, the discharge cylinder 14 and the front support frame 29 are integrally formed, so that the design can be improved.
A stop device 38 for regulating and stopping the movement of the transfer cylinder 13 when it is moved to the shortest contraction position is provided with a U-shape on the lower side of the outer periphery of the fixed transfer cylinder 8 as shown in FIGS. A mounting plate 38a having a shape is provided, and a stopper 38b made of a rubber material or a resin material is mounted on an inner surface of the mounting plate 38a with bolts, nuts, and the like.
[0085]
The lower roller guide 36a of the lower roller device 36 provided on the transfer cylinder 13 is formed in a U-shape, and is mounted on the lower part of the outer periphery of the transfer cylinder 13 and provided in the lower roller guide 36a. Has a lower roller 36b supported by a lower roller shaft 36c. When the transfer cylinder 13 is moved to the shortest contraction position, the entire lower roller device 36 is inserted into the mounting plate 38a of the fixing transfer cylinder 8, and the rear surface of the lower roller guide 36a is In this configuration, the shortest contraction position of the transfer cylinder 13 is regulated by abutting against the stopper member 38b provided inside 38a.
[0086]
As a result, the lower roller device 36 is inserted into the stop device 38 that regulates the shortest contraction position of the transfer cylinder 13, and the stop position is regulated. Improvement can be achieved. Further, the impact on the operator's hand can be reduced.
[0087]
Each of a round bar member, a square member, and the like, which guides the movement of a lower roller 36b rotatably supported by a lower roller shaft 36c provided on a lower roller guide 36a provided on a lower roller device 36 provided on the moving transfer cylinder 13. As shown in FIGS. 35 to 37, the roller guide 39a is fixedly provided at a position substantially equal to the outer width of the lower roller 36b on the lower side of the outer periphery of the fixing transfer cylinder 8, and the longest extension of the transfer cylinder 13 is provided. Each stopper 39b made of a round bar or a square bar or the like for regulating the position is positioned near the end of the roller guide 39a within the width of the lower roller 36b and fixedly provided.
[0088]
Thereby, each roller guide 39a for guiding the expansion and contraction movement of the lower roller device 36 provided on the transfer cylinder 13 to the lower side of the outer circumference of the fixing transfer cylinder 8 and the longest extension position of the transfer cylinder 13 are regulated. With the provision of the stopper member 39b, the expansion / contraction movement operation of the transfer cylinder 13 is easy. Also, the transfer cylinder 13 can be reliably stopped at the longest extended position.
[0089]
The vertical movement of the fixed transfer tube 8 and the transfer tube 13 of the grain expansion / contraction discharge device 6 is changed to the conventional gas damper 33, and the takeover metal 5c is rotatable as shown in FIG. In addition to the division, the torque spring 40 is inserted and provided on the outer side of the transfer metal 5c, and the fixed transfer tube 8 and the transfer tube 13 are vertically rotated by the torque spring 40 to arbitrary positions. And can be fixed to any position.
[0090]
Accordingly, the vertical rotation movement of the grain expansion / contraction discharge device 6 is moved and fixed to an arbitrary position by the torque spring 40, thereby reducing the cost and using the gas damper 33 to reduce the grain storage tank. When the gas damper 33 comes into contact with the upper rear portion of the gas damper 4c, it is necessary to cut off the contact portion, and the tank capacity may be reduced. This can be prevented.
[0091]
As shown in FIG. 3, a display name 41 for displaying the longest extended position of the transfer tube 13 is provided on the outer periphery of the transfer tube 8 for fixing.
Thus, by providing the display name 41 for displaying the longest extension position of the transfer cylinder 13, it is possible to prevent the extension operation from being further forced from the longest extension position. Further, the load applied to the transfer cylinder 13 can be prevented.
[0092]
33 and 34, a fixing device 42 for fixing the transfer tube 13 of the grain expansion / contraction device 6 at the shortest contraction position is provided on the lateral side of the outer periphery of the transfer tube 8 for fixation. .
A fixing lever 42a of a fixing device 42 is rotatably supported by a support pin 42c on a lateral side of an outer peripheral portion of the fixing transfer cylinder 8. When the transfer cylinder 13 stops at the shortest contraction position, the fixing lever 42a is rotated to connect the coupling groove 42b provided at the distal end to the fixing pin 13e provided on the transfer cylinder 13; In this configuration, the transfer cylinder 13 is fixed at the shortest contraction position. Further, when the extension operation is performed, the fixing lever 42a is pivotally operated to disconnect the coupling groove 42b at the distal end from the fixing pin 13e.
[0093]
Thus, the transfer tube 13 is moved to the shortest contraction position, and the transfer tube 13 is fixed by the fixing device 42 so that the transfer tube 13 is extended during transportation or movement. And can be safely transported and moved.
[0094]
As shown in FIG. 1 and FIG. 2, dust, straw chips, etc., leak to a position (L3) at a predetermined distance in front of a position where the fixing plate 28e of the fixing tool 28 provided on the transfer cylinder 13 is located. In this configuration, a leakage hole 13f having a predetermined diameter is provided.
The transfer tube 13 is provided with a leak hole 13f, and is fixed with the fixture 28 after dust and straw chips are removed, so that the transfer tube 13 can be moved to an arbitrary position. Can be locked.
[Brief description of the drawings]
FIG. 1 is an enlarged side view of the first and second position change devices when set.
FIG. 2 is an enlarged side view of the first and second position changing devices when the set is released.
FIG. 3 is an enlarged side view of the grain expansion / contraction device at the maximum extension.
FIG. 4 is an enlarged side view at the time of the shortest shrinkage of the grain expansion / contraction device.
FIG. 5 is an enlarged side view of a mounting portion of the wire adjuster.
FIG. 6 is an enlarged plan view of a support frame of the wire adjuster.
FIG. 7 is an enlarged side view when the wire adjuster is contracted.
FIG. 8 is an enlarged side view when the wire adjuster is extended.
FIG. 9 is an enlarged side view of the wire adjuster.
FIG. 10 is an enlarged transmission configuration diagram of a grain discharging unit.
FIG. 11 is a side view of a mounting position of the second position changing device.
FIG. 12 is a side view of a mounting position of the second position changing device.
FIG. 13 is a side view of a mounting position of the auger receiving device.
FIG. 14 is an enlarged side view of a vertically rotating part and a rotating part of the grain expansion and contraction discharging device.
FIG. 15 is an enlarged side view of a vertically rotating part of the grain expansion / contraction device.
FIG. 16 is an enlarged plan view of a vertically rotating part of the grain expansion / contraction device.
FIG. 17 is an enlarged sectional side view of a fixed transfer cylinder and a transfer cylinder;
18 is a sectional view taken along line AA of FIG.
FIG. 19 is an enlarged side perspective view of the front / middle / rear moving transfer spiral portion.
FIG. 20 is an enlarged side view of the middle transfer spiral part.
FIG. 21 is an enlarged side perspective view of a middle transfer spiral part.
FIG. 22 is a side view of an upper roller unit and a lower roller unit.
FIG. 23 is an enlarged rear perspective view of the operation device.
FIG. 24 is an overall side view of the left side of the combine.
FIG. 25 is a view showing another embodiment, and is a side view of a handle device of the grain expansion / contraction device.
FIG. 26 is a view showing another embodiment, and is an enlarged side view of a handle device.
FIG. 27 is a view showing another embodiment, and is an enlarged side perspective view of a discharge cylinder portion.
FIG. 28 is a view showing another embodiment, and is a side view of a stopping device section of the grain expansion / contraction device.
FIG. 29 is a view showing another embodiment, and is an enlarged side view in which a stop device portion and a lower roller device portion are partially broken.
FIG. 30 is a view showing another embodiment, and is an enlarged rear view of a stop device portion and a lower roller device portion, partially broken away.
FIG. 31 is a view showing another embodiment, and is an enlarged plan view of a stopping device portion and a lower roller device portion.
FIG. 32 is a view showing another embodiment, and is an enlarged plan view of an elevating part of a takeover metal part.
FIG. 33 is a view showing another embodiment, and is a side view of a fixing device portion of the grain expansion / contraction device.
FIG. 34 is a view showing another embodiment, and is an enlarged side view of a fixing device part.
FIG. 35 is a view showing another embodiment, and is a side view of a roller guide section of the grain expansion / contraction device.
FIG. 36 is a view showing another embodiment, and is an enlarged plan view of a roller guide portion and a stopper member.
FIG. 37 is a view showing another embodiment, and is an enlarged sectional view taken along line BB of FIG. 35;
[Explanation of symbols]
7 Fixed transfer spiral
8 Transfer tube for fixing
9 Moving spiral axis
10 Backward transfer spiral
11 Forward moving transfer spiral
12 Medium transfer spiral
13 transfer cylinder
14c Operation lever
15 First position change device
25 Grain discharging means

Claims (3)

A fixed transfer tube 8 having a fixed transfer spiral 7 for receiving and transferring and discharging the kernels, and a fixed transfer tube 8 which is rotatably supported in the outer periphery of the fixed transfer tube 8 so as to be movable in the longitudinal direction. A cylinder 13, a front / rearward transfer spiral 11, 10 which is pivotally supported at both front and rear ends of a telescopic movable spiral shaft 9 which is rotatably mounted on the transfer cylinder 13; A first position changing device operated when the transfer cylinder 13 is manually extended and contracted in a combine provided with a plurality of intermediate movement transfer spirals 12 and the like which are extendably supported on the movement spiral shaft 9 between the ten. 15 is provided at least at the distal end of the transfer cylinder 13, and the locked state of the transfer cylinder 13 is released by the gripping operation of the first position changing device 15, and the locked state is released by the release of the gripping operation. Combination featured to provide Grain expansion and contraction discharge device of. An operation lever (14c) for operating the fixed transfer tube (8) and the transfer tube (13) in the vertical and horizontal directions while holding the first position changing device (15) in a gripped state is provided. A grain expansion / contraction device for a combine as described. The combine according to claim 1 or 2, wherein a grain discharging means (25) is provided in the vicinity of the first position changing device (15) to operate when discharging the grain outside the machine. Grain expansion and discharge device.

Images