JP2013132265A - Combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve efficiency in unloading while preventing the quality deterioration of grains when unloaded in a combine harvester equipped with a bucket conveyor type lift and a screw conveyor type unloading auger.SOLUTION: A bucket conveyor type lift (9) connected to a part on the upper side from a partition plate (14) in a grain tank (5), and the unloading auger (8) connected to a conveyor (11), are arranged behind the grain tank (5). The unloading auger (8) includes a vertical lower unloading auger (8a), and a lateral upper unloading auger (8b) connected to the upper end of the lower unloading auger (8a). The grain lifting terminal part of the lift (9) is provided with a grain takeout passage (9b) for taking out grains to the outside of a machine, an auger communication path (9c) connected to the unloading auger (8), and a switching means (10) capable of switching grains lifted by the lift (9) into a state of guiding the grains to either the grain takeout passage (9b) side or the auger communication path (9c) side.

Description

  The present invention relates to a combine.

  In the combine grain extracting device, a screw conveyor type conveying means and a bucket conveyor type conveying means are provided as conveying means for discharging from the grain tank, and the grains are selectively supplied to the screw conveyor type conveying means and the bucket conveyor type conveying means. A device provided with route switching means is known (Patent Document 1).

JP-A-5-292831

  In the technique described in Patent Document 1, the grain is discharged using a screw conveyor type conveying means when harvesting rice and the grain is discharged using a bucket conveyor type conveying means when harvesting soybeans. In such a configuration, a screw conveyor type conveying means is used at the time of harvesting rice and wheat, and the final conveying portion of the screw conveyor type conveying means is adjusted in turning, raising and lowering and adjusting the expansion and contraction, and the grain is transferred to the conveyance vehicle. Can be loaded easily. However, when harvesting soybeans, the grain take-out part of the bucket conveyor type conveying means has a limited movement adjustment range, so there is a problem in that it is difficult to load because there is no degree of freedom for loading into the transport vehicle. Further, when a screw conveyor type conveying means is used when harvesting grains such as soybeans, there is a problem that soybeans are damaged or soiled with mud.

  Therefore, the present invention is intended to solve such problems.

In order to solve the above problems, the present invention has taken the following technical means.
The invention according to claim 1 includes a glen tank (5) on one side of the left and right sides of the traveling chassis (1), and the glen tank (5) conveys grains in the glen tank (5) to the outside. A conveyor (11) and a partition plate (14) disposed on the upper side of the transport conveyor (11) are provided. Behind the Glen tank (5) is a partition plate (14) in the Glen tank (5). Also, a bucket conveyor type elevator (9) connected to the upper part and a discharge auger (8) connected to the transfer conveyor (11) are disposed, and the discharge auger (8) has a lower portion in the vertical direction. A discharge auger (8a) and a horizontal upper discharge auger (8b) connected to the upper end of the lower discharge auger (8a) are provided. Connected to the grain take-out passage (9b) and the discharge auger (8) The auger communication path (9c) and switching means that can be switched to a state in which the grains lifted by the elevator (9) are guided to either the grain extraction path (9b) or the auger communication path (9c). The combine provided with (10).

  According to the second aspect of the present invention, the discharge auger (8) is configured to be rotatable around the axis of the lower discharge auger (8a), and the auger communication passage (9c) is formed at the upper end of the lower discharge auger (8a). The combine according to claim 1, which is in communication with the combine.

  According to a third aspect of the present invention, the dust filtering part (9e) having a plurality of openings smaller than the grain size of the grain is formed on the lower surface of the auger communication passage (9c). It is the described combine.

  According to a fourth aspect of the present invention, there is provided the combine according to the third aspect, wherein a flow passage for dust falling from the dust leakage lower portion (9e) is formed in the discharge auger cover (19) surrounding the lower discharge auger (8a). is there.

A fifth aspect of the present invention is the combine according to any one of the first to fourth aspects, wherein the auger communication passage (9c) is configured to be detachable.
A sixth aspect of the present invention is the combine according to any one of the first to fourth aspects, wherein the elevator (9) and the auger communication passage (9c) are configured to be detachable integrally.

  According to the first aspect of the present invention, at the terminal end of the lifting of the elevator (9), a grain extraction passage (9b) for out-of-machine extraction and an auger communication passage (9c) connected to the discharge auger (8) And a switching means (10) that can be switched to a state in which the grain that has been whipped by the elevator (9) is guided to either the grain take-out passage (9b) or the auger communication passage (9c). In a state in which the grain that has been whipped by the elevator (9) from the Glen tank (5) is directly discharged from the grain take-out passage (9b), the grain is prevented from being soiled and damaged during the discharge. In the state where it is possible to prevent the quality of the grains from being deteriorated and the material is discharged from the conveying terminal end of the upper discharge auger (8b) via the auger communication passage (9c), it is discharged to a place away from the glen tank (5). Therefore, the efficiency of discharging work can be increased.

  According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, the discharge auger (8) is configured to be rotatable around the axis of the lower discharge auger (8a), and the auger communication passage is provided. Since (9c) is communicated with the upper end of the lower discharge auger (8a), the grain can be smoothly transferred from the auger communication passage (9c) to the discharge auger (8) even if the discharge auger (8) is swung. .

  Moreover, in the case of easily damaged grains such as soybeans, there is a possibility that the quality may be deteriorated in the process of cerealing that is conveyed against gravity, but from the elevator (9) to the conveying end of the upper discharge auger (8b). In the conveyance route to reach, the quality deterioration of the grain can be suppressed by shortening the distance lifted by the screw conveyor type conveyance device.

  According to the invention of claim 3, in addition to the effect of the invention of claim 1 or claim 2, a plurality of openings smaller than the grain size of the grain are formed in the lower surface of the auger communication passage (9c). Since the dust filtration part (9e) which has is formed, soybean dust can be removed from the dust filtration part (9e) during the flow-down transfer of the auger communication path (9c).

  According to the invention described in claim 4, in addition to the effect of the invention described in claim 3 above, in the discharge auger cover (19) surrounding the lower discharge auger (8 a), the dust leakage lower part ( 9e) has formed a flow passage for the dust falling from the dust filtering section (9e), so that the dust falling from the dust filtering section (9e) can be discharged to the lower side of the machine while being guided by the dust flow passage. To prevent the work environment from deteriorating.

  According to the invention described in claim 5, in addition to the effect of the invention described in any one of claims 1 to 4, since the auger communication passage (9c) is configured to be detachable, the elevator (9) and The auger communication path (9c) can be easily removed from the discharge auger (8), and maintenance work of the elevator (9) and the discharge auger (8) can be easily performed.

  According to the sixth aspect of the present invention, in addition to the effect of the first aspect of the present invention, the elevator (9) and the auger communication passage (9c) can be integrally attached and detached. Therefore, the maintenance work of the elevator (9) and the discharge auger (8) can be easily performed.

Side view of an ordinary combine. The top view of a normal combine. A rear view of an ordinary combine. A rear view of an ordinary combine. The side view of a Glen tank. The front view of a Glen tank. The exploded top view of a Glen tank. The side view of a cutting conveyance part. The top view of a cutting conveyance part. The side view of a cutting conveyance part. The side view of a cutting conveyance part. The side view of a cutting conveyance part. The top view of a cutting conveyance part. The top view of a cutting conveyance part. The side view of a cutting conveyance part. The block diagram which shows the transmission state of a cutting conveyance part.

  Hereinafter, the grain extracting configuration of the ordinary combine will be described based on the embodiments shown in the drawings. First, based on FIG.1 and FIG.2, the whole structure of the common combine provided with this invention is demonstrated.

  Below the traveling chassis 1, a pair of left and right crawler traveling devices 2 and 2 that travel on the soil surface are disposed, and on the traveling chassis 1, a control unit 3 and an engine are provided on the right side from the front side to the rear side. A prime mover 4 and a Glen tank 5 are disposed, and a threshing portion 6 is disposed on the left front portion. A cutting and conveying unit 7 that can be moved up and down is provided in front of the control unit 3 and the threshing unit 6, and the napped cereal is scraped by the scraping reel 7 a of the chopping and conveying unit 7, and the root side of the cereal is harvested by the lower cutting blade device 7 b. Then, it is fed into the feeder house 7d by the transport auger 7c and transported to the threshing unit 6. The threshing unit 6 is configured to thresh with the upper handling cylinder, select with the lower selecting unit, and store the first kernel in the grain tank 5 with the first cerealing machine.

Next, the grain extraction configuration from the glen tank 5 will be described with reference to FIGS.
A screw conveyor type discharge auger 8 is provided near the rear center of the Glen tank 5 of the traveling chassis 1. The discharge auger 8 is composed of a lower discharge auger 8a for vertical conveyance and a horizontal upper discharge auger 8b connected to the upper end of the lower discharge auger 8a, and an upper portion at the upper end of the lower discharge auger 8a. A base portion of the discharge auger 8b is provided continuously, and the upper discharge auger 8b is configured to be turnable, adjustable, and adjustable. A transverse feed screw conveyor (conveyance conveyor) 11 is provided along the front-rear direction at the center of the bottom of the Glen tank 5 in the left-right direction so that the grains are transported and supplied to the lower end of the lower discharge auger 8a.

Next, the soybean storage / extraction configuration of the Glen tank 5 will be described with reference to FIGS.
The Glen tank 5 is configured to be used both for harvesting rice and soybeans. The Glen tank 5 has a long front and rear direction and a short right and left direction by an upper plate 5a, a left plate 5b, a right plate 5c, a front plate 5d, a rear plate 5e, a long sloping left bottom plate 5f, and a short sloping right bottom plate 5g. Constructed in a box, the left bottom plate 5f and right bottom plate 5g are formed into a deformed V shape in front view to form a cocoon 5i at the bottom, and a cross feed screw conveyor 11 for transferring the grains to the rear is arranged in the cocoon 5i. Has been established. At the time of rice harvesting work, the entire Glen tank 5 is used as a tank, and the stored grain is taken out to the lower part of the discharge auger 8 by the screw conveyor 11 outside the feeder.

  In addition, when the grain tank 5 is used for soybean harvesting, the soybean tank is partitioned by a partition plate 14 in the upper part of the grain tank 5, and soybeans are introduced into the soybean transfer passage 17 from the lower right side of the soybean inner tank. The soybean is taken out and transferred to the lower part of the elevator 9 under the dead weight flow by the soybean transfer passage 17.

  A cereal opening 5j is provided in the upper part of the left side plate 5b of the Glen tank 5, and the cereal is input by the first cerealing machine 12 of the threshing unit 6. In the Glen tank 5, an inclined left guide plate 13a and a front guide plate 13b are provided so as to partition the left and right side plates 5b, 5d and 5e in the vertical direction from the lower part of the grain inlet. The rear guide plates 13 c are provided and partitioned vertically, and an inner tank for soybeans is formed at the upper part inside the glen tank 5. The left guide plate 13a, the front guide plate 13b, and the rear guide plate 13c are removed in the case of rice.

  In addition, a soybean take-out tank 16 is provided at the middle portion in the front-rear direction at the lower right side of the left guide plate 13a, and the grain inlet 16a is opened at the lower end of the left guide plate 13a forming the soybean inner tank 14 so that soybean can flow in. Configured to connect the start end side of the soybean transfer passage 17 inclined downward to the lower part of the soybean take-out tank 16, and connect the rear end side rear part to the lower part of the elevator 9 along the right side surface of the Glen tank 5, The soybean that has flowed into the soybean transfer passage 17 is transferred under its own weight flow.

  Moreover, the bottom part of the soybean take-out tank 16 is constituted by a flow guide plate 16b inclined downward to the right, and a grain take-out port 16c is provided at the lower end of the flow guide plate 16b so as to be opened and closed so that the grain can be taken out.

  Further, the inclined lower side portions of the left side guide plate 13a, the front side guide plate 13b, and the rear side guide plate 13c that form the soybean internal tank 14 are constituted by the cut-out plates 14a,... Try to remove.

  Moreover, you may make it coat | cover the lower part of the cut-out board 14a, ... of the internal tank 14 for soybeans with the cover 15, ... similarly inclined. If comprised in this way, when harvesting small particles, such as rapeseed, particle | grain filtration is prevented by the cover 15, and it can collect | recover particles in the internal tank 14 for soybeans, and can take them out from the soybean extraction tank 16. FIG.

  Further, when attaching the covers 15,... To the lower side of the partition plates 14,..., Guide grooves (not shown) for taking out the cover 15 are provided on both sides in the grain flow downward direction. , And both sides of the covers 15,... May be inserted into the guide grooves, and the lower ends of the covers 15,. If comprised in this way, attachment and detachment of the cover 15, ... will become easy, and the cover 15, ... will be able to flow smoothly without obstructing the soybean flow.

  Further, when attaching the covers 15,... To the lower side of the partition plates 14,..., The upper and lower ends of the covers 15,. The other ends of the covers 15,... May be fixed by clamps (not shown).

  Further, a bucket conveyor type elevator 9 is disposed at the right end of the traveling direction behind the grain tank 5 of the traveling chassis 1, and a grain extraction passage 9 b for taking out outside the machine is provided in the lifting portion 9 a of the lifting machine 9. Are connected to an auger communication passage 9c for transferring the discharge auger 8 and are switched and supplied to either one by a switching shutter valve (switching means) 10. The grain take-out passage 9b is configured to be bendable and relatively long so that the grain take-out position can be freely adjusted.

  Further, as shown in FIGS. 3 and 4, the upper portion of the lower discharge auger 8a for vertical conveyance supports the base portion of the upper discharge auger 8b in the horizontal direction at the upper part of the rotation center of the screw conveyor, It is configured such that the cereal grains of the elevator 9 are supplied to the upper end portion of the lower discharge auger 8a via the auger communication passage 9c, and soybeans can be taken out via the upper discharge auger 8b.

  Thus, at the time of the soybean harvesting operation, the soybean stored in the soybean internal tank of the Glen tank 5 is extracted from the soybean take-out tank 16, the soybean transfer passage 17, the elevator 9, the upper end portion of the lower discharge auger 8a and the upper discharge auger 8b. It is possible to increase the degree of freedom of loading onto a transport vehicle while suppressing damage to soybeans.

  In the conventional configuration, the discharge auger 8 is used when harvesting rice and the elevator 9 is used when harvesting soybeans. With such a configuration, the grain can be easily loaded on the transport vehicle while using the discharge auger 8 at the time of harvesting rice and adjusting the upper discharge auger 8b by turning, raising and lowering and expanding and contracting. However, when harvesting soybeans, the grain take-out part of the elevator 9 is narrowly limited to a predetermined position, so that there is a problem that the degree of freedom is limited for loading into the transporter and labor is required.

  However, according to the above configuration, such a problem can be solved. That is, the soybeans in the Glen tank 5 are sent to the elevator 9 via the soybean take-out tank 16 and the soybean transfer passage 17, and the soybeans cerealed by the elevator 9 are passed through the auger passage 9c and the supply funnel 9d. It can be transported and supplied to the center of rotation of the screw conveyor of the discharge auger 8a, and the swirl adjustment function, the elevation adjustment function and the expansion / contraction adjustment function of the upper discharge auger 8b can be utilized to easily load soybeans into the transport vehicle. Moreover, the transfer process of the screw conveyor type discharge auger 8 can be shortened, and soybean dirt and damage can be suppressed.

  In addition, as shown in FIG. 3, when the cereal grains of the elevator 9 are supplied to the upper end portion of the lower discharge auger 8a via the auger communication passage 9c and the supply funnel 9d, the lower surface portion of the auger communication passage 9c is observed. You may make it supply in the extraction surface 9e, removing the mud adhering to soybean.

  According to the said structure, adhesion of the soybean mud supplied to the lower discharge auger 8a can be decreased, and the stain | pollution | contamination of soybean can be suppressed. Further, the mud removed from the cut-out surface 9e of the auger communication passage 9c can be smoothly discharged downward through the space between the lower discharge auger 8a and the elevator 9.

  Further, the periphery of the lower discharge auger 8 a of the discharge auger 8 is covered with a discharge auger cover 19, and mud removed from the cut-out surface 9 e of the auger communication passage 9 c becomes a mud discharge passage (not shown) in the discharge auger cover 19. You may make it guide | invite, and it may be made to discharge | emit out of the machine by providing a soil removal board (illustration omitted) in the lower part of a mud discharge passage.

  Further, the periphery of the lower discharge auger 8a of the discharge auger 8 is covered with a discharge auger cover 19, and mud removed from the cut surface of the auger communication passage 9c is received by a flow-down plate (not shown), and the discharge auger cover is covered by the flow-down plate You may make it guide to 19 back and discharge | emit below.

  Moreover, as shown in FIG. 4, the grain extraction part a of the elevator 9 upper part is provided with the grain extraction channel | path 9b for an external extraction, and the auger continuous channel | path 9c, and a switching shutter is provided in these grain inflow parts. A valve 10 is provided, and the switching shutter valve 10 is switched to either one by a switching motor 10m, for example.

  Although not shown, the switching operation configuration may be configured as follows. Engine power is configured to drive the discharge auger 8 by an auger belt transmission device and to drive the elevator 9 by an elevator belt transmission device, and either an auger belt transmission device or an elevator belt transmission device by switching operation of transmission on / off means Only one of them is driven, or both are driven simultaneously. Then, there is provided related operation means capable of operating the switching operation means of the switching motor 10m for operating the switching shutter valve 10 and the transmission on / off means.

  When the related operation means is operated to the first operation position, the switching shutter valve 10 is switched to the discharge auger 8 side, both the auger belt transmission device and the elevator belt transmission device are driven, and the elevator 9 raises the cereal. The soy beans are switched to the lower discharge auger 8a side, and the soybeans are loaded into the transport vehicle while effectively utilizing the function of the upper discharge auger 8b.

  Further, when operated to the second operation position, the switching shutter valve 10 is switched to the elevator 9, the auger belt transmission device is stopped, only the elevator belt transmission device is driven, and the grains that have been grained by the elevator 9 Is taken out from the grain take-out passage 9b.

  Further, when operated to the third operation position, the switching shutter valve 10 is switched to the elevator 9 side, the auger belt transmission is driven, the elevator belt transmission is stopped, and the grains in the Glen tank 5 are removed. Using the discharge auger 8, take it out of the machine.

According to the said structure, simplification of switching operation can be aimed at and an operation error can be avoided.
Further, both ends of the auger communication passage 9c are detachably attached to the elevator 9 and the discharge auger 8 to facilitate maintenance work of the elevator 9 and the discharge auger 8.

  Further, when one end of the auger communication path 9c is integrally attached to the cereal take-out portion 9a of the elevator 9 and the other end of the auger communication path 9c is detachably attached to the discharge auger 9 side, the elevator 9 When the is removed, the auger communication passage 9c can be removed at the same time, and the maintenance work of the elevator 9 and the discharge auger 8 is facilitated.

Next, the culm scraping configuration of the cutting and conveying unit 7 will be described with reference to FIGS.
The cutting and conveying unit 7 includes a take-up reel 7a, a lower cutting blade device 7b, a conveying auger 7c, and a feeder house 7d. Further, a front side portion of the cutting and conveying unit 7 is provided with a cutting platform 7e that is concave when viewed from the front, a cutting and scraping reel 7a is provided on the upper front side of the cutting platform 7e, and a lower cutting blade device 7b that extends in the left-right direction at the front lower portion. A conveying auger 7c is provided along the left-right direction on the rear side of the cutting platform 7e, and is conveyed to the feeder house 7d.

  Also, an upper cutting blade device 21 is provided along the vertical direction so as to be located on the right end of the cutting platform 7e and on the right side of the take-up reel 7a. I try to prevent tangles. Power is transmitted from the right side of the lower cutting blade device 7 b to the upper cutting blade device 21 via the cutting blade transmission means 24.

  The base portion of the upper cutting blade device 21 is pivotally supported around a longitudinal axis 21a so that the upper cutting blade device 21 is in a vertical cutting state along the vertical direction and a horizontal cutting state along the horizontal direction. It is configured to be changeable, and is positioned above the lower cutting blade device 7b in the horizontal cutting state so that two-stage cutting operation can be performed.

  According to the said structure, the lower cutting blade apparatus 7b and the upper cutting blade apparatus 21 of a horizontal cutting state can perform two-stage cutting operation, only the upper part of paddy rice, sunflowers, etc. can be cut, and threshing The load of the part 6 can be reduced and efficient cutting work can be performed.

  Moreover, you may comprise as FIG. The upper cutting blade device 21 in the horizontal cutting state is disposed behind the lower cutting blade device 7b by a predetermined distance. The base of the reel support bar 25 is pivotally supported around the support cylinder 25a in the left-right direction on the rear frame part of the cutting platform 7e, and the take-up reel 7a is attached to the front side part of the reel support bar 25. The reel support rod 25 is configured to be adjustable up and down by the expansion and contraction of the expansion rod 26a. Then, the upper cutting blade device 21 in the horizontal cutting state is disposed so as to approach and face the middle part of the lower scraping stroke of the tine 7aa of the scraping reel 7a. At this position, a lowering prevention means 27 for preventing the telescopic rod 26a of the reel cylinder 26 from lowering is provided.

  The lowering prevention means 27 of this embodiment is provided with a stopper 27a at a predetermined position of the telescopic rod 26a of the reel cylinder 26. When the elongated rod 25a is shortened, the stopper 27a abuts against the end of the reel cylinder 25 to expand and contract. The length is regulated by a predetermined length.

  According to the above configuration, the upper cutting blade device 21 in the state of horizontal cutting is disposed opposite to the middle portion of the lower rake stroke of the tine 7aa of the take-up reel 7a, and the tine 7aa of the take-up reel 7a approaches the upper chopping device 21. It is possible to perform the scraping action on the flower bud portion 23a of the sunflower 23 at the position where it is cut, and to accurately perform the cutting of the flower bud portion 23a and the conveyance to the conveyance auger 7c. Further, the tine 7aa of the scraping reel 7a and the upper cutting blade device 21 do not come into contact with each other, and the durability can be improved.

  Moreover, you may comprise as shown in FIG. A cutting guide plate 22 that is inclined downward from the rear portion of the upper cutting blade device 21 in the horizontal cutting state toward the rear lower conveyance auger 7c is provided, and the space between the lower cutting blade device 7b and the conveyance auger 7c is closed, A discharge port 7f is formed at the front portion of the cutting guide plate 22 of the cutting platform 7e over the entire width in the left-right direction.

  Therefore, the middle part of the sunflower 23 is cut by the lower cutting blade device 7b, and the lower side of the flower bud portion 23a is cut by the upper cutting blade device 21 in the state of horizontal cutting. The midway stem 23b of the sunflower 23 cut by the lower cutting blade device 7b and the upper cutting blade device 21 is guided downward on the front side of the cutting guide plate 22 and discharged from the discharge port 7f to the outside of the machine. Further, the flower part 23a of the sunflower 23 that has been cut by the upper cutting blade device 21 in the state of horizontal cutting is scraped backward by the scraping reel 7a, guided to the upper side surface of the cutting guide plate 22, and flowed down to the rear conveying auger 7c. Supplied.

When the upper cutting blade device 21 is operated in the state of vertical cutting, the discharge port 7f formed on the lower surface of the cutting platform 7e is closed by an opening / closing plate.
Further, when the lower cutting blade device 7b and the upper cutting blade device 21 in the horizontal cutting state constitute the upper and lower cutting blade devices, the upper cutting blade device 21 in the horizontal cutting state is flattened with respect to the lower cutting blade device 7b. It is configured to be positioned rearward as viewed and opposed to a midway portion of the tine 7aa in the rake reel 7a.

  Thus, the flower bud portion 23a of the sunflower 23 is guided and cut by the upper cutting blade device 21 by the downwardly inclined inclination action of the tine 7aa of the take-up reel 7a, and the cut floret portion 23a is removed from the take-up reel 7a. The tine 7aa is scraped and transported to the rear side by the action of scrambling the back of the tine 7aa, and can be smoothly cut and sent to the rear transport auger 7c while suppressing the winding of the rake 7aa to the tine 7aa.

  Moreover, you may comprise as shown in FIG.12 and FIG.13. When a large number of guide rods 28,... Are provided so as to protrude forward from the upper portion of the upper cutting blade device 21 in the horizontal cutting state at a predetermined interval, the tines 7aa,. The pestle is scraped backward along the guide ridges 28,.

  If comprised in this way, when the flower ridge part 23a of the sunflower 23 is raked in by the tines 7aa of the rake reel 7a, the flower bud part 23a is supported from below by the guide ridges 28,. It can be cut with the upper cutting blade device 21 in the state of being scraped and cut horizontally.

Next, the transmission configuration of the cutting and conveying unit 7 will be described with reference to FIGS. 14 to 16.
The belt type elevator 7da of the feeder house 7d is driven by the input shaft 41 of the feeder house 7d to which power is transmitted from the engine, and the cutting power is branched from the input shaft 41 to the chain type cutting transmission device 42, from the cutting transmission device 42. Power is transmitted to the cutting counter shaft 43. The cutting blade power is branched from the crank 43 a of the cutting counter shaft 43 to drive the cutting blade transmission rod 44, and the lower cutting blade device 7 b is driven by the reciprocating motion of the cutting blade transmission rod 44.

  The auger power is branched from the cutting counter shaft 43 to the chain type auger transmission device 45, and the auger transmission shaft 46 is driven by the auger transmission device 45 to drive the transport auger 7c. The reel power is branched from the auger transmission shaft 46 to the chain-type reel transmission device 47 and transmitted to the reel counter shaft 48. A reel counter shaft 48 is pivotally supported in a support cylinder 25a that pivotally supports the rear base portion of the reel support rod 25, and a belt-transmission-type second reel transmission device 49 is provided from the right end of the reel counter shaft 48. Power is transmitted to the drive reel 7a.

  According to the above-described configuration, the belt transmission type second reel transmission device 49 slips when a rake load is applied to the tine 7aa of the rake reel 7a, thereby reducing the load and improving the durability. Further, since the power of the take-up reel 7a is branched from the auger transmission shaft 46 for driving the transport auger 7c, which has a relatively low number of rotations, the reduction ratio of the second reel transmission device 49 is reduced to simplify the configuration. Can do.

  Further, the cutting blade transmission rod 44 and the auger transmission device 45 are arranged on the left side of the machine body, the second reel transmission device 49 is arranged on the right side of the machine body, and covered with a cover (not shown). It is possible to reduce the swelling to the right side, which is the unharvested side of 7a, and to prevent the rapeseed and other long bean crops from being caught and fallen, and to perform the cutting operation smoothly.

  Although not shown, the following configuration may be used. The auger transmission shaft 46 is covered with an auger cylinder over the entire width of the auger transmission shaft, and a large number of scraping rods can be inserted and removed. However, the auger transmission shaft 46 projects from the right end of the auger cover, and the reel from the end of the shaft. The power of the reel is branched to the transmission 47 and extends forward through the right side of the fuselage and is transmitted to the reel counter shaft 48. Then, a belt transmission type second reel transmission device 49 is extended from the right end portion of the reel counter shaft 48 to the front side to drive the scraping reel 7a.

1 Traveling chassis 5 Glen tank 8 Screw conveyor type discharge auger (discharge auger)
8a Lower discharge auger 8b Upper discharge auger 9 Bucket conveyor type elevator (elevator)
9a Grain removal part 9b Grain extraction passage 9c Auger communication passage 9e Dust filtration part 10 Switching shutter valve (switching means)
11 Transverse screw conveyor (conveyor)
14 Partition plate 19 Discharge auger cover

Claims (6)

  A Glen tank (5) is provided on one of the left and right sides of the traveling chassis (1). The Glen tank (5) includes a conveyor (11) that conveys the grains in the Glen tank (5) to the outside, and the conveyor. A partition plate (14) disposed on the upper side of the conveyor (11) is provided, and is connected to a portion above the partition plate (14) in the Glen tank (5) behind the Glen tank (5). A bucket conveyor type elevator (9) and a discharge auger (8) connected to the transfer conveyor (11) are arranged, and the discharge auger (8) includes a vertical lower discharge auger (8a), A horizontal upper discharge auger (8b) connected to the upper end of the lower discharge auger (8a) is provided, and at the terminal end of the lifting of the elevator (9), a grain extraction passage (9b) for out-of-machine extraction And an auger communication path (9c) connected to the discharge auger (8). And a switching means (10) that can be switched to a state in which the grain lifted by the elevator (9) is guided to either the grain take-out passage (9b) side or the auger communication passage (9c) side. .   The said discharge auger (8) is comprised so that rotation around the axial center of a lower discharge auger (8a) is possible, and the said auger communication path (9c) is connected with the upper end part of the lower discharge auger (8a). Combine.   The combine of Claim 1 or Claim 2 which formed the dust filtration part (9e) which has a several opening part smaller than the particle size of a grain in the lower surface part of the said auger communication path (9c).   The combine according to claim 3, wherein a flow path for dust falling from the dust leakage lower part (9e) is formed in a discharge auger cover (19) surrounding the lower discharge auger (8a).   The combine according to any one of claims 1 to 4, wherein the auger communication path (9c) is configured to be detachable.   The combine according to any one of claims 1 to 4, wherein the elevator (9) and the auger communication path (9c) are configured to be detachable integrally.

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