JP2005160308A - Apparatus for unloading grain of combine harvester or the like - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To eliminate problems that grains cause staying and clogging in an unloading cylinder having a grain unloading port for receiving the grains dropped and unloaded from an opening 13a at the transfer terminal end of a transfer cylinder 13 for movement of a grain transfer unloading cylinder apparatus 6 and unloading the grains to the outside of the machine. <P>SOLUTION: The grain transfer unloading cylinder apparatus 6 is composed as follows. The unloading cylinder 14 having the grain unloading port 14a for unloading the grains to the outside of the machine is installed at the terminal end of the transfer cylinder 13 for the movement on the side of the terminal end and the nearly central part between a ceiling part (A) of a right and a left side plates 14d forming the unloading cylinder 14 and the lower end (B) forming the grain unloading port 14a is protruded to a prescribed extent and expanded. Thereby, the gap between the opening 13a dropping the grains of the transfer cylinder 13 for the movement and the right and left side plates 14d of the unloading cylinder 14 is extended. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  In the transfer terminal part of the grain transfer discharge cylinder device that receives and transfers the grain, the ceiling part of the upper part of the left and right side plates of the discharge cylinder that has a drainage port that is rotatably provided to discharge the grain out of the machine, This is a technique in which the middle and lower middle part between the lower end part where the shed outlet is formed is inflated to protrude a predetermined amount, and can be used as a grain discharging device such as a combine.

For example, in the harvesting operation of napped grain cereal with a combine, the threshed grain that has been harvested and threshed is supplied into a Glen tank placed on the upper side of the traveling chassis and temporarily stored.
The discharging operation for discharging the grains stored in the Glen tank to the outside of the machine is performed as described below.

In particular, as shown in Japanese Patent Application Laid-Open No. 2003-79230, for example, the grain in the grain tank of the combine is supplied from the inside of the grain tank into a milling cylinder provided on the rear side. It is supplied to the grain conveying auger and transferred, and the grain is discharged out of the machine through the grain outlet. This grain outlet is provided so as to be rotatable in the circumferential direction with respect to the grain conveying direction, and the grain outlet is rotated in the circumferential direction depending on the position at which the grain is discharged. Rotate upward at a predetermined angle on both the left and right sides, and tilt upward at a predetermined angle to discharge the grain out of the machine.
JP 2003-79230 A

  The grain outlet from which the grain of the grain transporting auger is dropped opens the lower half of the transfer cylinder of the grain transporting auger. Also, the width of the discharge cylinder that forms the grain outlet and the outer diameter of the transfer cylinder are substantially the same. For this reason, even if the grain outlet is raised, the outlet cylinder is inclined upward. Then, the grain stagnates in the sloping part of the discharge tube, and a clogged state occurs, or the clogging occurs due to this clogging, but it tries to solve these problems Is.

  For this reason, in this invention, in this invention, the grain transfer discharge cylinder apparatus 6 which receives supply of the storage grain from the grain storage tank 4c, and transfers to a terminal part, and this grain in invention of Claim 1 and this grain A discharge cylinder 14 provided with a grain outlet 14a in the lower part for receiving the grain from the opening 13a of the transfer cylinder 13 for movement on the transfer terminal part side of the transfer discharge cylinder device 6 and discharging it to the outside, and the discharge cylinder 14 The left and right side plates 14d forming the discharge cylinder 14 in the combine provided with the rotating device 17 for rotating and moving the upper and lower circular ceiling portions (b) and the lower end portion where the shed port 14a is formed. A grain discharging device such as a combine is provided, wherein the upper and lower central portions between (c) are inflated to protrude a predetermined amount.

For example, in the harvesting operation of napped cereals by a combine, the threshed grain that has been cut and threshed is supplied into the grain storage tank 4c placed on the upper side of the traveling chassis and temporarily stored.
The discharge of the grain stored in the grain storage tank 4c of the combine to the outside of the machine is supplied from the grain storage tank 4c to the vertical transfer cylinder provided on the rear side, and from the vertical transfer cylinder. Supplied and transferred into the grain transfer / discharge cylinder device 6, and the grain is rotated at a discharge cylinder 14 having a cereal outlet 14 a, which is rotatably provided at the transfer terminal end of the grain transfer / discharge cylinder device 6. In this configuration, the device 17 is rotated.

  The rotation device 17 is operated according to the position of discharging the grain, and the position of the discharge port 14a of the discharge tube 14 is rotated directly below or above a predetermined angle on both the left and right sides, and inclined upward by a predetermined angle. And the grain is discharged out of the machine. At this time, a predetermined amount protrudes from the upper and lower central part between the circular ceiling part (b) at the upper part of the left and right side plates 14d forming the discharge cylinder 14 and the lower end part (c) where the grain outlet 14a is formed. It is inflated as much as possible. The left and right side plates of the discharge cylinder 14 are inclined upward by receiving the grains from the 180-degree opening 13a where the grains below the moving transfer cylinder 13 on the transfer terminal end side of the grain transfer / discharge cylinder device 6 are dropped. The grain is discharged out of the machine from the grain outlet 14a provided at the lower end of 14d.

  In invention of Claim 2, in the outer peripheral part of the movement spiral shaft 9 pivotally built in the transfer cylinder 13 for movement of the said grain transfer discharge cylinder apparatus 6, in the location where the discharge cylinder 14 is located, for discharge 2. A grain discharging apparatus such as a combine according to claim 1, wherein a blade 9a is provided.

  The grains transferred to the transfer terminal 13 in the transfer cylinder 13 for movement of the grain transfer / discharge cylinder device 6 are the outer peripheral part of the moving spiral shaft 9 that is pivotally mounted on the transfer cylinder 13 for transfer. The grain is fed out by the rotational drive of the discharge vane 9 a provided at the position where 14 is located, and discharged from the opening 13 a of the transfer cylinder 13 into the discharge cylinder 14. It is discharged out of the machine through the mouth 14a.

  In invention of Claim 3, the said discharge | emission blade | wing 9a was provided in at least two places to a 180 degree | times opposing position, The grain discharge | emissions, such as the combine of Claim 1 or Claim 2 characterized by the above-mentioned It is a device.

  The grains transferred to the transfer terminal 13 in the transfer cylinder 13 for movement of the grain transfer / discharge cylinder device 6 are the outer peripheral part of the moving spiral shaft 9 that is pivotally mounted on the transfer cylinder 13 for transfer. At the location where 14 is located, the grain is fed out by the rotational drive of the discharge blades 9a provided at least at two positions opposite to each other at 180 degrees, and the inside of the discharge tube 14 from the opening 13a of the transfer tube 13 for movement. And is discharged out of the machine from the grain outlet 14a of the discharge cylinder 14.

  In the invention according to claim 1, the left and right side plates 14 d that form the discharge cylinder 14 having the grain outlet 14 a rotatably provided at the transfer terminal part of the transfer cylinder 13 for movement of the grain transfer / discharge cylinder device 6 are provided. By providing a middle part in the vertical direction between the ceiling part (b) and the lower end part (c) forming the grain outlet 14a so as to protrude outward by a predetermined amount, The gap between the end of the opening 13a and the inner side surface of the left and right side plates 14d of the discharge cylinder 14 is widened, and even if the discharge cylinder 14 is tilted upward by a predetermined angle, the gap can be kept wide. The clogging of the grains can be prevented in the discharge cylinder 14, and the occurrence of defluxing can be prevented. In addition, the grain discharge efficiency can be improved.

  In invention of Claim 2, in the outer peripheral part of the moving spiral shaft 9 pivotally supported by the transfer cylinder 13 for movement of the grain transfer / discharge cylinder device 6, the grain is located at the position where the discharge cylinder 14 is located. By providing the discharge blade 9a for feeding out, it was possible to improve the grain discharge efficiency.

  In invention of Claim 3, the said discharge | emission blade | wing 9a aims at the improvement of the discharge | emission efficiency of a grain by providing to the outer peripheral part of the moving spiral shaft 9 at a 180 degree opposing position at least in two places. I was able to.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
On the upper side of the traveling chassis 2 of the combine 1, an threshing machine 4, a grain storage tank 4c, and the like are placed, and an upper part of the vertical transfer cylinder 5 that discharges the grains in the grain storage tank 4c to the outside of the machine. Is provided with a grain transfer / discharge cylinder device 6, and this grain transfer / discharge cylinder device 6 is inserted into a fixed transfer cylinder 8 having a fixed transfer spiral 7 pivotally mounted therein and an outer peripheral portion of the fixed transfer cylinder 8. And a transfer cylinder 13 that can be expanded and contracted in the longitudinal direction, and a discharge having a grain outlet 14a that is rotated by a rotation device 17 so as to be rotatable in the circumferential direction toward the tip, and discharges the grain out of the machine. In this configuration, a cylinder 14 is provided. These transfer cylinder 13 and discharge cylinder 14 include front and rear moving transfer spirals 11 and 10 that are pivotally supported on the front and rear end portions of a movable helical shaft 9 that is movable in a telescopic manner. In this configuration, a plurality of middle moving and transporting spirals 12 are provided between the moving and transporting spirals 11 and 10 so as to be telescopically supported by the moving spiral shaft 9. The fixed transfer cylinder 8, the transfer cylinder 13, the discharge cylinder 14, the rotation device 17, etc. of the grain transfer / discharge cylinder device 6 are mainly illustrated and described, and the outer shape of the discharge cylinder 14 is illustrated. The discharge blade 9a and the like of the moving spiral shaft 9 will be mainly illustrated and described.

  A traveling device 22 having a pair of left and right traveling crawlers 22 a that travel on the soil surface is disposed below the traveling chassis 2 of the combine 1, and a threshing is disposed above the traveling chassis 2. In this configuration, the machine 4 is placed. The napped grain cocoon is cut by the reaper 3 at the front part of the traveling chassis 2, and the chopped cereal is transferred to the rear upper part by the reaper 3, and is taken over by the feed chain 4 a of the threshing machine 4 and the sandwiching ridge 4 b. And threshing while being held and transferred. The threshed and selected grain is temporarily stored in a grain storage tank 4c that is disposed on the right side of the threshing machine 4 and that supports a tank transfer spiral 4d in the front-rear direction at the bottom.

  As shown in FIG. 17, a narrow guide 19 a for separating the napped grains from the front end position, each weed body 19 b, and each pulling device 19 c for raising the napped grains are raised at the front part of the traveling chassis 2. Each of the scraping devices 20a of the culm scraping and transporting device 20 for scrambling the culm, a cutting blade device 19d for cutting the scraped culm, and a threshing machine 4 The reaper 3 is provided with a root and tip transfer device 20b, 20c, and the like of the cereal scraping transfer device 20 to be delivered to the feed chain 4a and 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 that is hydraulically driven.

  A support pipe rod 23b is provided in the left-right direction at the upper end portion of the support rod 23a inclined from the front lower part to the rear upper part of the reaper 3, and the support device 23c is provided on the upper side surface of the traveling chassis 2. The reaper 3 is configured to rotate up and down around the support pipe rod 23b by the operation of the telescopic cylinder 19e.

  At the front of the grain storage tank 4c side, as shown in FIG. 17, an operation device 21a that performs operations such as starting, stopping, and adjusting each portion of the combine 1, and a maneuver carried by an operator who performs these operations A seat 21b is provided, and an engine 21c is mounted on the upper side surface of the traveling chassis 2 below the cockpit 21b, and a grain storage tank 4c is disposed in the rear part. The traveling device 22, the reaper 3, the threshing machine 4, the engine 21c, and the like form the main body 1a of the combine 1.

  In the culm transfer path formed by the culm scraping and transferring device 20 of the reaper 3, the presence or absence of supply of cereal to the threshing machine 4 is confirmed by acting on the culm that is harvested and transferred. It is the structure which provided the grain candy sensor 3a to detect.

  A potentiometer type vehicle speed sensor 24b for detecting the traveling vehicle speed is provided in the transmission path of the transmission mechanism 24a in the traveling mission case 24 mounted on the front end portion of the traveling chassis 2. It is a configuration.

  At the bottom of the grain storage tank 4c, a tank transport spiral 4d for transporting the stored grains backward is pivotally supported in the front-rear direction, and the grains transported rearward are taken over to change the direction. The joint case 5b is configured to be 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 with a vertical transfer spiral 5a supported therein is provided so as to be rotatable in a substantially vertical posture, and the grains in the grain storage tank 4c are taken over and transferred. is there.

  As shown in FIGS. 1 to 15 and 17, the upper end of the vertical transfer cylinder 5 is automatically extendable and retractable by a starting operation, is automatically movable up and down, and can be swung freely. The discharge cylinder 14 at the end portion is rotatable, and is provided with a grain transfer / discharge cylinder device 6 for discharging the grain out of the machine.

  As shown in FIGS. 1 to 15 and FIG. 17, the grain transfer / discharge cylinder device 6 is inserted into a fixed transfer cylinder 8 that supports a fixed transfer spiral 7 and an outer peripheral portion of the fixed transfer cylinder 8. The moving transfer cylinder 13 that can be expanded and contracted by a starting operation, the discharge cylinder 14 at the front end, the transfer cylinder 13 for movement, and the discharge cylinder 14 are supported on the interior, and the moving spiral shaft that can be expanded and contracted freely. The front / rear / middle moving and transporting spirals 11, 10, and 12, which are pivoted to 9, and the telescopic moving device 15 a that expands and contracts the moving transfer cylinder 13, and the moving motor 15 b are arranged on the outer periphery of the fixing transfer cylinder 8. It is the structure provided in the part. An outer cover 15c is attached to the outside of the telescopic movement device 15a.

  On the outer surface of the surface plate 21d of the operation device 21a, various switches for mainly operating the grain transfer / discharge cylinder device 6 as shown in FIG. An auger lever 26d for turning the grain transporting and discharging cylinder device 6 up and down and turning left and right is provided, and a grain discharging means 25 that is operated when the power of the engine 21c is transmitted to the grain transporting and discharging cylinder device 6. When the koji discharge lever 25a is provided and the koji discharge lever 25a is operated to the discharge position, the grains in the grain storage tank 4c can be discharged to the outside of the machine.

  In addition, an ON-OFF switch type stop switch 26a that is operated when the grain transfer / discharge cylinder device 6 is stopped, a turning switch 26b that is operated when turning, a lamp switch 26c, and the like are provided. is there.

  As shown in FIGS. 6 to 10, 14, and 15, the fixing transfer cylinder 8 of the grain transfer / discharge cylinder device 6 includes a rear support metal 27 and a takeover metal 5 c provided at the upper end of the vertical transfer cylinder 5. This fixed transfer cylinder 8 is provided with a fixed transfer helix 7 supported on the interior, and this fixed transfer helix 7 has a fixed helix plate 7b fixed to the outer periphery of the fixed helix shaft 7a. It is the structure provided. The inner diameter portion of the fixed spiral shaft 7a is formed in a round hole, and the inner diameter portion of the transfer terminal portion is formed with a hexagonal hole in the inner diameter portion that is smaller in diameter than the round hole and has a moving spiral shaft 9 to be described later. The auxiliary shaft 7c thus supported is provided. The outer peripheral portion of the fixing transfer cylinder 8 receives a side surface portion of a roller 28b of a roller device 28, which will be described in detail later, and moves the roller 28b in a straight line, so that the transfer cylinder 13 for movement is moved in a straight line. Each rail 8a is provided at intervals.

  As shown in FIGS. 9 and 10, the outer boss 27 a on the outer periphery of the rear support metal 27 protrudes from the outer periphery of the fixing transfer cylinder 8 and is fixed to the transfer terminal end of the fixing transfer cylinder 8. The auxiliary shaft 7c is pivotally supported on the inner diameter portion of the rear support metal 27. The inner diameter portion of the transfer end portion of the fixed helix shaft 7a of the fixed transfer helix 7 is pivotally supported by the outer diameter portion of the transfer start end of the auxiliary shaft 7c, and the outer diameter portion of the transfer start end portion is formed on the inner side of the takeover metal 5c. It is the structure supported by the provided receiving metal 5d. Reference numeral 7d denotes a receiving bush having a configuration in which the moving spiral shaft 9 is supported.

  9 and 10, the moving transfer cylinder 13 protrudes from the outer peripheral portion of the fixing transfer cylinder 8 and is arranged on the outer boss 27 a portion on the outer periphery of the rear support metal 27 and the outer peripheral portion of the fixing transfer cylinder 8. It is configured to be inserted into the outer peripheral portion of the fixing transfer cylinder 8 so as to be movable and contractible to the outer peripheral portion with the provided outer metal 27b. At the front end of the transfer cylinder 13 for movement, the discharge cylinder 14 that discharges the grain to the outside of the machine and is provided with a grain outlet 14a, which will be described later in detail, is pivotally supported in a circumferential direction. is there.

  As shown in FIGS. 1 to 5, the moving transfer cylinder 13 and the discharge cylinder 14 can move the moving spiral shaft 9 by a rear support metal 27 and a front support metal 16 provided on the discharge cylinder 14. It is a configuration that supports the interior shaft so that it can contract freely.

  As shown in FIG. 3 and FIGS. 5 to 8, the rear moving transfer spiral 10 and the front moving transfer are provided at the transfer start end portion and the transfer end portion of the moving spiral shaft 9 that is pivotally supported on the moving transfer cylinder 13. This is a configuration in which the spiral 11 is pivotally supported and fixed by a bolt or the like.

  As shown in FIGS. 6 to 10, the rear moving / transfer spiral 10 is provided with a support plate 10b fixed to a rear fixed boss 10a, and a moving spiral plate 10c is fixed to the support plate 10b and the rear fixed boss 10a. It is the structure provided. Further, the support plate 10b is provided with a coupling portion 10d, and this coupling portion 10d is engaged with a coupling portion 12d on one side 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 configured to be inserted into the outer diameter portion of the transfer terminal portion of the auxiliary shaft 7c and attached with a bolt or the like.

  As shown in FIGS. 3 and 5 to 11, the front moving / transferring spiral 11 is provided with a support plate 11 b fixed to the front fixed boss 11 a, and the support plate 11 b and the front fixed boss 11 a have a moving spiral. The plate 11c is fixedly provided. Further, the support plate 11b is provided with a coupling portion 11d, and this coupling portion 11d is engaged with the coupling portion 12d on one side 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 configured to be inserted into the hexagonal outer diameter portion into the transfer terminal portion of the moving spiral shaft 9 and attached with a bolt or the like.

  As shown in FIGS. 6 to 8 and FIGS. 11 to 13, the middle moving transfer spiral 12 includes a middle moving boss 12 a, a large boss 12 b, and a moving spiral plate 12 c having coupling portions 12 d at both ends. The structure is integrally formed of a resin material or the like.

  As shown in FIGS. 12 and 13, the middle moving transfer helix 12 includes a plurality of middle moving helixes 12 between the front and rear moving transfer helixes 11 and 10 attached to the front and rear ends of the moving helix shaft 9 of the moving transfer cylinder 13. When the movable transfer spirals 12 are pivotally supported on the movable spiral shaft 9 so as to be extendable and retractable, and when the adjacent intermediate movable transfer spirals 12 are in the most extended state, the coupling portions 12d provided on the movable spiral plates 12c are They are configured to engage with each other and do not expand beyond a predetermined length.

  The expansion / contraction movement between the transfer cylinder 13 and the discharge cylinder 14 is configured to expand and contract by a forward / reverse starting operation of the movement motor 15a. Along with this expansion / contraction movement, the moving spiral shaft 9 and each middle moving / transferring spiral 12 are configured to expand and contract simultaneously.

  As shown in FIGS. 6 to 9, a plurality of roller devices 28 are provided on the outer peripheral portion of the transfer start end of the transfer cylinder 13 for movement. The roller receiver 28a of the roller device 28 is mounted on the transfer start end of the transfer cylinder 13, and the roller 28b is rotatably supported by a roller pin 28c on the U-shaped section of the roller receiver 28a. The outer peripheral portion of each roller 28b is in contact with the outer peripheral portion of the fixing transfer cylinder 8, and is expanded and contracted simultaneously with the moving transfer cylinder 13 while rotating.

  As shown in FIGS. 14 and 15, the vertically moving structure of the transfer cylinder 7 for movement, the transfer cylinder 13 for movement, and the discharge cylinder 14 of the grain transfer / discharge cylinder device 6 is the upper end of the vertical transfer cylinder 5. The take-over metal 5c provided in the part is a structure in which one side is connected so as to be vertically rotatable as a structure divided into left and right parts. On the other fixed side, a rotating tool 29a that is driven to rotate up and down by a vertical motor 29 and a mounting plate 30a of the mounting tool 30 provided on the fixing transfer cylinder 8 are connected by a connecting tool 29b and the mounting tool. A gas damper 31 is provided between each upper mounting plate 31 a provided in 30 and each lower mounting plate 31 b provided in the vertical transfer cylinder 5.

  The rotating tool 29a is rotated by forward or reverse rotation driving of the vertical motor 29, and the fixing transfer cylinder 8 and the moving transfer cylinder 13 are connected via the connection tool 29b, the attachment tool 30 and the like. The discharge cylinder 14 or the like is configured to be controlled to move up or down. Along with these upward or downward movement control, each gas damper 31 is also controlled to be upward or downward movement, and each gas damper 31 is configured to be used for assist.

  As shown in FIG. 17, the vertical transfer cylinder 5 is provided with a turning motor 32, and the vertical transfer cylinder 5 is provided with a turning tool 32a below the turning motor 32. The turning tool 32a is driven to rotate leftward or to the right by the rotation motor 32 rotating forward or reversely, and the vertical transfer cylinder 5 is turned leftward or rightward from the upper part of the joint case 5b. Thus, the fixed transfer cylinder 8, the transfer cylinder 13, the discharge cylinder 14 and the like are configured to turn left or turn right.

  As shown in FIGS. 1 to 7, an opening 13 a having a predetermined size is provided on the transfer terminal 13 side of the transfer cylinder 13 for movement of the grain transfer / discharge cylinder device 6, and the transfer terminal on the front side of the opening 13 a. Has a configuration in which a circular outer lid 13b is fixedly provided. The outer lid 13b is provided with each support plate 16a mounted with bolts and nuts, etc. The inner support plate 16a is provided with a front support metal 16 with bolts and a plurality of cushion bodies 16b. It is a configuration that is mounted by a nut or the like, and is configured such that the transfer terminal portion of the moving spiral shaft 9 is rotatably supported by the front support metal 16.

  As shown in FIGS. 1 to 3 and FIG. 5, the inside of the transfer cylinder 13 is moved to the transfer end part so as to be rotatable while covering the opening 13 a of the transfer cylinder 13 of the grain transfer / discharge cylinder device 6. At the lower part where the transferred grain is discharged out of the machine, a discharge cylinder 14 having a grain outlet 14a is provided in a state of covering the opening 13a of the transfer cylinder 13 so as to be rotatable in the circumferential direction. It is a configuration. The rotation configuration will be described later.

  At the transfer terminal portion of the transfer tube 13 for movement of the grain transfer / discharge tube device 6, a discharge tube 14 having a shed 14a at the lower portion for discharging the grain transferred to the transfer terminal portion to the outside of the machine. By being provided so as to be rotatable, when moving to the field to be harvested next or traveling on the road, the grain transfer / discharge cylinder device 6 is moved by rotating the grain outlet 14a of the discharge cylinder 14 upward. If there is a residual grain remaining in the transfer cylinder 13, the residual grain is stored in the ceiling (b) of the discharge cylinder 14 that is pivoted upward, and the grain is taken out of the machine. It is the structure which can prevent discharging. Thereby, loss of grain can be prevented.

  As shown in FIGS. 1 to 3 and FIG. 5, the discharge cylinder 14 has front and rear plates 14e and 14f fixedly provided on the front and rear sides of a left and right side plate 14d integrally formed on both left and right sides. It is the structure formed in the shape. The upper ceiling portion (b) of the left right side plate 14d is formed in a circular shape (semicircular shape), and the space between the ceiling portion (b) and the lower end portion (c) where the shed port 14a is formed. The substantially central portion in the vertical direction is inflated and provided so as to protrude outwards on both the left and right sides.

  When the discharge cylinder 14 is tilted and rotated upward by a predetermined angle (α) as shown in FIGS. 1 and 2, the left and right side plates 14d of the discharge cylinder 14 are projected and inflated, and the transfer for movement. A predetermined gap (M) is widened between the cylinder 13 and the outer periphery of the transfer cylinder 13 that is the end of the opening 13a provided by cutting the lower part of the cylinder 13 180 degrees. The grain that has fallen from the opening 13a of the transfer cylinder 13 flows down on the inner surface of the left and right side plates 14d of the discharge cylinder 14, but the clogging of the grains is prevented by widening the gap (M). In addition, it is a configuration that prevents the occurrence of poor grain flow.

  A ceiling part (b) of left and right side plates 14d forming a discharge cylinder 14 having a discharge port 14a rotatably provided at the transfer terminal end of the transfer cylinder 13 for movement of the grain transfer discharge cylinder device 6; An end of the opening 13a of the transfer cylinder 13 for movement is provided by providing a substantially middle portion in the vertical direction between the lower end (C) forming the shed port 14a so as to protrude to both predetermined outer sides. And the inner surface of the left and right side plates 14d of the discharge cylinder 14 are widened, and the clearance (M) is kept wide even if the discharge cylinder 14 is tilted and moved upward by a predetermined angle. For this reason, clogging of the grains can be prevented in the discharge cylinder 14, and the occurrence of defluxing can be prevented. Moreover, generation | occurrence | production of the flow-down defect of a grain can be prevented. Furthermore, the grain discharge efficiency can be improved.

  As shown in FIG. 3 and FIG. 4, in the outer peripheral portion of the moving spiral shaft 9 that is pivotally supported on the moving transfer cylinder 13 of the grain transfer / discharge cylinder device 6, This is a configuration in which discharge blades 9a for feeding and discharging are fixedly provided.

  In the outer peripheral portion of the moving spiral shaft 9 that is pivotally mounted on the moving transfer tube 13 of the grain transfer / discharge tube device 6, a discharge blade 9a for feeding and discharging the kernel is provided at a position where the discharge tube 14 is located. Thus, it is possible to improve the grain discharge efficiency. Moreover, the grain to be discharged can be discharged by flying away.

  As shown in FIG. 3 and FIG. 4, in the outer peripheral portion of the moving spiral shaft 9 that is pivotally supported on the moving transfer cylinder 13 of the grain transfer / discharge cylinder device 6, In this configuration, the discharge blades 9a for feeding and discharging are fixedly provided at at least two positions to the 180 ° facing position.

  The discharging blade 9a is provided at least at two positions at a position opposite to the outer peripheral portion of the moving spiral shaft 9 at 180 degrees, thereby improving the discharging efficiency of the grains. Moreover, the grain to be discharged can be discharged by flying away.

  As shown in FIGS. 1 to 3 and 5, the discharge cylinder 14 has a semicircular shape of the upper ceiling portion (b) and an intermediate portion between the lower end portion (c) and left and right side plates 14 d protruding outward. The front and rear side plates 14e and 14f are fixed and formed in a substantially box shape. Each of the left right plate 14d and the front and rear plates 14e, 14f has a configuration in which each scattering prevention plate 14h made of an elastic rubber material or a resin material is mounted with bolts, nuts, or the like. In the hole portion of the rear side plate 14f of the discharge cylinder 14, a rear receiving member 8b made of a rubber material or a resin material, which is an elastic material, is provided, and the rear receiving member 8b and a support provided by being attached to the front side plate 14e. A front receiver 8c made of a rubber material or a resin material, which is an elastic material provided in the hole of the front side plate 14e, is inserted into the outer peripheral portion of the shaft 16c. It is the structure which supported the outer diameter part rotatably.

  A rotation device 17 is provided on the front side of the discharge cylinder 14 which is the tip of the grain transfer / discharge cylinder device 6 as shown in FIGS. 1, 3, and 5. This rotating motor 14 b is configured to be provided in the outer shape portion of the grain transfer / discharge cylinder device 6. The rotating device 17 is provided with a rotating motor 14b attached to the reinforcing plate 17a at the tip of the grain transfer / discharge cylinder device 6, and the reinforcing plate 17a is attached to the front plate 14e of the discharging cylinder 14 by bolts, nuts, and the like. It is the structure provided by mounting | wearing. The motor gear 17b of the rotation motor 14b and the rear rotation gear 17c that is pivotally supported on the support shaft 16c are configured to mesh with each other. Thereafter, both the front and rear sides of the rotating gear 17c pivotally support the brake plate 17d, and a plurality of disc springs 17e are pivotally supported on the front side of the front brake plate 17d to prevent them from coming off with nuts. It is. Further, the front rotation gear 17f is pivotally supported on the front side of the nut, and the nut is prevented from coming off.

  As shown in FIGS. 1, 3, and 5, a support metal 18a is mounted on the upper portion of the front side plate 14e of the discharge tube 14, and the outer shape of the support shaft 18b of the support metal 18a is very large. This is a configuration in which a shaped gear 18c is rotatably supported, and the gear 18c and a front turning gear 17f are engaged with each other. By the forward / reverse rotation drive of the rotation motor 14b, the motor gear 17b, the rear rotation gear 17c, the front rotation gear 17f, the gear 18c, etc. are driven forward / reverse rotation, and these various gears 17b, 17c, 17f, 18c, etc. From the rotational drive, the discharge cylinder 14 is controlled to rotate left or right, and after the grain outlet 14a is controlled to move upward, it is controlled to stop. Further, by the forward / reverse rotation driving of the rotation motor 14b, the discharge cylinder 14 is controlled to be restored to the original position, and the shed port 14a is controlled to be restored to the original lower position and then stopped.

  The rotational position of the discharge cylinder 14 is detected. As shown in FIGS. 1, 3, and 5, a potentiometer 14j, which will be described in detail later, is rotationally driven. Both the front rotation gear 17f that meshes with the gear 18c that is pivotally supported by the potentiometer 14j and the rear rotation gear 17c that meshes with the motor gear 17b of the rotation motor 14b are both front ends of the support shaft 16c of the rotation device 17. It is the structure provided by pivotally supporting to both sides of the part side and the rear end part side.

  The motor gear 17b of the rotation motor 14b for rotating the discharge cylinder 14 provided with the grain outlet 14a of the grain transfer discharge cylinder device 6 to be discharged to the outside of the grain machine 6 and the rotation position of the discharge cylinder 14 is detected. Both the rear rotation gear 17c meshed with the gear 18c of the potentiometer 14j and driven to rotate, and the front rotation gear 17f are the rear side and the front side of the support shaft 16c of the rotation device 17. Since it is provided so as to be pivotally supported on both sides, the backlash is reduced by not having a counter gear or the like, thereby reducing the error and improving the detection accuracy of the potentiometer 14j. Accordingly, the control by detection is also improved.

  As shown in FIGS. 1, 3, and 5, a discharge cylinder 14 having a discharge port 14 a that discharges the grain to the outside of the machine is provided at the transfer terminal end of the grain transfer discharge cylinder device 6 that transfers and discharges the grain. The rotation motor 14b that is rotatably provided and rotates the discharge cylinder 14 is provided at the tip of the grain transfer / discharge cylinder device 6 in the outer shape portion, whereby the grain transfer / discharge cylinder device 6 is provided. Further, since the rotation motor 14b does not protrude upward, for example, the combine 1 can prevent the overall height from being increased. Further, when moving on the field and when traveling on the road, the remaining cereal remaining in the grain transfer / discharge cylinder device 6 from the shed port 14a of the discharge cylinder 14 by rotating the discharge cylinder 14 upward. The grains are stored in the ceiling portion (b) of the discharge cylinder 14 so that leakage to the outside of the machine can be prevented and the loss of grains can be prevented.

  In addition, the discharge cylinder 14 having the grain outlet 14a rotatably provided at the transfer terminal end of the transfer cylinder 13 for movement of the grain transfer / discharge cylinder device 6 is provided with a rotation motor 14b to be rotated. Therefore, as compared with the conventional configuration in which the whole grain transfer / discharge cylinder device 6 is rotationally moved, a small-horsepower rotating motor 14b may be used, and the rotational configuration is simple.

  A discharge cylinder 14 having a grain outlet 14a rotatably provided at a transfer terminal end of a transfer cylinder 13, which is the tip of the grain transfer / discharge cylinder device 6, is shown in FIGS. 1, 3, and 5. As shown, a rotation motor 14b is provided so as to freely rotate. A motor cover 14c is mounted on the front side of the rotating motor 14b so as to cover the rotating motor 14b and various gears 17b, 17c, 17f, 18c and the like. The outer shape of the motor cover 14c is substantially the same as the cross-sectional shape of the discharge cylinder 14, and is detachably provided by bolts, nuts, and the like.

  By providing the motor cover 14c that covers the rotating motor 14b and the various gears 17b, 17c, 17f, 18c, etc., it is safe and the appearance can be improved. In addition, the outer shape of the motor cover 14c is formed to be substantially the same as the cross-sectional shape of the discharge tube 14 and is detachably provided, so that the appearance shape can be improved. Also, maintenance is easy. It is the structure which can prevent accumulation of sawdust, dust, etc. on the motor 14b for rotation.

  A rotation motor 14b provided at the tip of the grain transfer / discharge cylinder device 6 for transferring and discharging the grain, and a discharge cylinder 14 having a grain outlet 14a provided at the transfer terminal portion of the grain transfer / discharge cylinder device 6 As shown in FIGS. 1, 3, and 5, the rotation motor 14b revolves simultaneously with the rotation motor 14b based on the rotation movement of the discharge cylinder 14, as shown in FIGS. It is the structure provided in order to rotate.

  A rotation motor 14 b that is provided at the tip of the grain transfer / discharge cylinder device 6 for transferring and discharging the grain and rotates the discharge cylinder 14 is based on the rotation movement of the discharge cylinder 14. 14b can be revolved and revolved at the same time, so that the structure is simple. In addition, the rotation motor 14b can be reduced in size with a small horsepower, thereby reducing the cost. .

  A potentiometer 14j for detecting the rotational movement position of the discharge cylinder 14 is provided at the upper portion of the rear rotational gear 17c supported on the support shaft 16c of the rotational device 17 as shown in FIGS. It is the structure provided in space part (I). The uppermost position or the lowermost position is detected and stopped at these positions accurately, and the stop control is performed at a predetermined position of the discharge cylinder 14.

  The potentiometer 14j is provided in the space (a) above the rear rotation gear 17c, which is pivotally supported by the support shaft 16c of the rotation device 17, so that the configuration can be simplified and compact. It is a configuration.

The potentiometer 14j is provided on the front side of the support metal 18a at the top of the rotation device 17 as shown in FIGS. 1, 3, and 5, and detects the number of rotations of the support shaft 18a.
Since the potentiometer 14j is provided on the support metal 18a on the upper part of the rotation device 17, the rotation movement position can be accurately detected because the weight of the gear 18c is not affected.

  As shown in FIGS. 1, 3, and 5, the discharge cylinder 14 having a grain outlet 14a rotatably provided at a transfer terminal end of the transfer transfer cylinder 13 of the grain transfer discharge cylinder device 6 is used for movement. The width (L) of the grain outlet 14a at the lower end of the left and right side plates 14d of the discharge cylinder 14 is larger than the outer diameter (D) of the transfer cylinder 13 by a predetermined dimension.

  The grain is discharged by providing a width (L) of the grain outlet 14a of the discharge cylinder 14 larger than the outer diameter (D) of the transfer cylinder 13 for movement of the grain transfer / discharge cylinder device 6. The discharge efficiency can be increased at the exit. Moreover, it is the structure which can prevent the clogging of the grain in this grain outlet 14a.

  To increase the overall height of the auger receiving device 33 that supports a predetermined position of the front portion of the fixing transfer cylinder 8 of the grain transfer / discharge cylinder device 6, conventionally, the discharge cylinder 14 portion should be positioned upward at a predetermined angle, The front tip portion was a high position and the rear base portion was a low position, and it was configured to be inclined at a predetermined angle. As shown in FIG. 17, the overall height of the receiving column 33a of the auger receiving device 33 is lowered so as to be supported in a substantially horizontal state in the front-rear direction, and a receiving guide 33b is provided at the upper end of the receiving column 33a. The guide 33b is supported in a substantially horizontal state. Further, the storage space for the combine 1 can be reduced by lowering the ground clearance of the fixing transfer cylinder 8 and the transfer transfer cylinder 13.

  In the configuration in which the discharge cylinder 14 is provided at the transfer terminal end of the transfer cylinder 13 for movement of the elastic grain transfer / discharge cylinder device (auger) 6, the operating device 21 includes the operation cylinder 21 shown in FIGS. 18 and 19. As shown, an auger lever 26d is provided for rotating the grain transfer / discharge cylinder device 6 up, down, left, and right, and the discharge cylinder 14 is placed on the left and right sides above the auger lever 26d. In this configuration, an independent dial switch type discharge cylinder rotation switch 34 is provided for operation. Reference numeral 34a denotes a work machine switching lever.

  The discharge cylinder 14 is configured to rotate to the left or right by rotating the discharge cylinder rotation switch 34 to the left or right. When the auger lever 26d is tilted to the left side or the right side, the grain transfer / discharge cylinder device 6 is configured to rotate to the left side or to the right side. It is the structure which moves to the same direction as a moving direction.

  Thus, the dial switch type discharge rotation switch 34 for rotating the discharge cylinder 14 is provided above the auger lever 26d, so that two types of operations can be performed with one auger lever 26d.

  In the configuration in which the transfer cylinder 13 for movement of the grain transfer / discharge cylinder device 6 that is extendable and the discharge cylinder 14 is provided at the transfer terminal end of the transfer cylinder 13 for rotation, the operation device 21 includes: As shown in FIGS. 20 and 21, a toggle switch type expansion / contraction switch 35a and a switch cover 35b are provided to be operated when the transfer cylinder 13 for movement is expanded and contracted, and are operated when the discharge cylinder 14 is rotated. A toggle switch type rotation switch 35c and a switch cover 35d are provided. The switches 35a and 35c and the covers 35b and 35d are of the same type.

  The operation directions of the telescopic switch 35a and the rotation switch 35c are configured so as to be shifted from each other by approximately 90 degrees, and the switch cover 35b and the switch cover 35d are colored, for example, red and black. It is the structure changed into.

  Thereby, by changing the color of each switch cover 35b, 35d which performs the expansion / contraction operation of the grain transfer / discharge cylinder device 6 and the rotation operation of the discharge cylinder 14, the distinction can be definitely made and the operation can be surely performed. It can be carried out. There is also a sense of unity in appearance.

  In the structure in which the moving transfer cylinder 13 of the grain transfer / discharge cylinder device 6 is divided forward and backward, the transfer of the stationary transfer cylinder 8 is performed at the transfer terminal end of the rear moving transfer cylinder 13 as shown in FIG. The outer diameter (D1) is configured to have a predetermined diameter from the outer diameter (D) of the other portion, where the terminal portion is located, and the outer diameter (D1) of the vicinity of the portion to be divided and joined is divided. It is the structure formed in large diameter. In addition, when the transfer cylinder 13 is divided into the front and rear, mounting flanges 13c and 13c are provided at the rear transfer end and the front transfer start end, and these mounting flanges 13c and 13c are bolts, and It is the structure which attached to the nut etc. and joined the front and back and formed integrally.

  Thereby, in the structure which divided | segmented the transfer cylinder 13 for a movement, the outer diameter (D1) of the front-end | tip part which is the transfer termination | terminus part of this transfer pipe | tube 13 for a rear side is larger than the outer diameter (D) of another location, Due to the large diameter, even when the connecting flange 13c for welding is welded, even if the transfer cylinder 13 is deformed by welding strain, it can be smoothly expanded and contracted without causing any problems during expansion and contraction. is there.

  On the outer peripheral portion of the large diameter portion 8d of the transfer terminal portion (tip portion) of the fixed transfer tube 8 of the grain transfer / discharge tube device 6, a circular receiving seal 36 is provided back and forth at predetermined intervals as shown in FIG. This is a configuration provided. The outer peripheral portion of each receiving seal 36 receives the inner diameter portion of the moving transfer cylinder 13 so that the moving transfer cylinder 13 is smoothly expanded and contracted. When the transfer cylinder 13 is shortened to the shortest, a dropping hole 13d is provided at the rear side position of the large diameter portion 8d of the fixing transfer cylinder 8 so as to drop sawdust and dust.

  As a result, a plurality of receiving seals 36 are provided at the transfer end portion (tip portion) of the fixing transfer cylinder 8 so that the movement transfer cylinder 13 can be easily expanded and contracted smoothly. Further, it is possible to prevent dust and soot from being mixed between the fixing transfer cylinder 8 and the transfer cylinder 13. Furthermore, when there is dust and soot mixed in, the soot and dust can be dropped and discharged from the dropping hole 13d.

Enlarged front sectional view of the grain transfer / discharge cylinder device section and the discharge cylinder section An enlarged front sectional view of the grain transfer / discharge cylinder device and the rotation of the discharge cylinder Enlarged side view of the discharge cylinder and rotating device Enlarged side view of the transfer end of the transfer cylinder Enlarged side sectional view of the rotating device Expanded side view of the grain transfer / discharge cylinder device when shortened Enlarged side view of the grain transfer / discharge cylinder device during expansion / contraction Enlarged side view of the grain transfer / discharge cylinder device when fully extended Enlarged side sectional view of the fixed transfer cylinder and the transfer cylinder AA sectional view of FIG. Enlarged side sectional perspective view of front / middle / rear transfer spiral Enlarged side view of the middle moving transfer spiral Enlarged side perspective view of middle moving transfer spiral Enlarged side view of the lifting and turning part of the grain transfer / discharge cylinder device Enlarged plan view of the lifting / lowering rotation part of the grain transfer / discharge cylinder device Enlarged rear perspective view of the operating unit Combine left side side view It is a figure which shows another Example, and is an expansion side perspective view of an operating device. It is a figure which shows another Example, An enlarged front view of an auger lever It is a figure which shows another Example, An enlarged plan view of an operating device It is a figure which shows another Example, and is an expanded side view of an expansion-contraction switch and a rotation switch It is a figure which shows another Example, and is an expanded sectional side view of the transfer cylinder part for a movement It is a figure which shows another Example, and is an expanded sectional side view of the transfer cylinder part for fixation It is a figure which shows another Example, and is an enlarged plan view of the hole for dropping of the transfer cylinder for movement

Explanation of symbols

4c Grain storage tank 6 Grain transfer / discharge cylinder device 9 Moving spiral shaft 9a Discharge blade 13 Movement transfer cylinder 13a Opening portion 14 Discharge tube 14a Grain outlet 14d Left right side plate 17 Rotating device B Ceiling portion C Lower end portion

Claims (3)

  A grain transfer / discharge cylinder device 6 that receives the supply of stored grains from the grain storage tank 4c and transfers it to the terminal portion, and an opening of the transfer cylinder 13 on the transfer terminal portion side of the grain transfer / discharge cylinder device 6 In the combine provided with the discharge cylinder 14 provided with a grain outlet 14a for receiving the grain from the section 13a and discharging it outside the machine, and the rotating device 17 for rotating the discharge cylinder 14 etc., the discharge The left and right side plates 14d forming the cylinder 14 are inflated so as to protrude a predetermined amount from the upper and lower center portions between the upper circular ceiling portion (b) and the lower end portion (c) where the shed port 14a is formed. A grain discharging device such as a combine.   A discharge blade 9a is provided at a position where the discharge cylinder 14 is located on the outer peripheral portion of the moving spiral shaft 9 that is pivotally supported on the transfer cylinder 13 for movement of the grain transfer / discharge cylinder device 6. A grain discharging apparatus such as a combine according to claim 1.   3. The grain discharging apparatus such as a combine according to claim 1 or 2, wherein the discharging blades 9a are provided at least in two positions at positions opposed to 180 degrees.

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