JP4277413B2 - Combine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
  The present invention provides a reaper that harvests cereals with a holding device provided on the traveling chassis so that the reaper can be turned up and down, and transfers the harvested cereals from the reaper to the front side of the threshing machine provided on the traveling chassis. An auxiliary transfer device 7 is provided, and the auxiliary transfer device is further provided with a threshing machine that holds the chopped cereal rice cake between the feed chain and the holding ridge, and threshs during the transfer. This is a technique in which the auxiliary transfer device is provided so as to automatically rotate up and down in conjunction with movement, and can be used as a combine cereal transfer device.
[0002]
[Prior art]
  When harvesting noodles with a combine harvester, the harvested pestle provided at the front of this combine and harvested and transferred by a vertically movable reaper is an auxiliary transfer provided on the front side of the threshing machine. It is handed over by the apparatus, and further handed over by the feed chain of the threshing machine and the holding bowl, and is threshed during the transfer through the threshing machine, and the threshed and sorted grains are temporarily stored.
[0003]
  During this harvesting operation, the reaper is rotated up and down according to the culm length of the cereal to be harvested, and threshing is adjusted to the threshing depth according to the culm length.
[0004]
[Problems to be solved by the invention]
  At the time of harvesting and harvesting napped cereals, the reaper is turned up and down according to the length of the culm to be reaped, and the supply unit for supplying cereals of this reaper is provided on the front side of the threshing machine. As a result, the spillage of the cereal sometimes occurred when the cereal was handed over from the reaper to the auxiliary transfer device. It tries to solve the problem.
[0005]
[Means for Solving the Problems]
  For this purpose, the invention according to claim 1 is a traveling chassis (2).A traveling device (12) is provided at the lower part of the vehicle, a threshing machine (11) is provided above the traveling chassis (2), and a front part of the threshing machine (11) is provided.Harvesting machine (4)The mower (4) is provided with a support rod (15) that is inclined to the rear upper part, and the support cylinder (16) provided at the upper end of the support rod (15) is mounted on the upper side of the traveling chassis (2). The holding device (3) is pivotally supported so as to be pivotable up and down, and the harvested cereal mash transferred by the cereal scraping transfer device (5) of the reaper (4) is taken over from the supply transfer chain (19).Threshing machine (11)Handed over to feed chain (8) and holding bowl (9)Auxiliary transfer device (7) installedTheThe auxiliary transfer device (7)The outer auxiliary transfer chain (26) and the innerAuxiliary transfer chain (27)And consists of,The inner auxiliary transfer chain (27) is equipped with a transmission mechanism of the auxiliary transfer device (7).Pivoted in the transmission case (21)FirstShaft (25)First sprocket (25b)And front sideFirstSupport shaft (28)Inner sprocket (29a)And saidFirstProvided on the upper side of the shaft (25)SecondSupport shaft (30)To the second sprocket (30a) pivotally supported byHand overThe outer auxiliary transfer chain (26) is spanned between an outer sprocket (29b) pivotally supported on the first support shaft (28) and a third sprocket (31a) pivotally supported on the third support shaft (31). The transfer start end side of the outer auxiliary transfer chain (26) is vertically rotated around the first support shaft (28), and the position of the transfer start end portion of the feed chain (8) in the front-rear and vertical directions is set. The position is substantially the same as the second support shaft (30), the horizontal position of the feed chain (8) is the same position as the outer auxiliary transfer chain (26), and the upper and lower positions of the support rod (15) of the reaper (4) A vertical rotation mechanism is provided for vertically rotating the transfer start end side of the outer auxiliary transfer chain (26) in conjunction with the rotation of the support cylinder (16) accompanying the rotation.The combine is characterized by that.
  ContractThe invention described in claim 2When the reaper (4) starts to rise, a non-operational area is provided to disable the upward rotation on the transfer start end side of the outer auxiliary transfer chain (26) to a predetermined height, and the reaper (4) rises to a predetermined height. After that, the transfer start end side of the outer auxiliary transfer chain (2) starts to rotate upward.Characterized byClaim 1Combine.
[0006]
[0007]
[0008]
[0009]
[0010]
【The invention's effect】
  According to the invention of claim 1,The transfer start end side of the outer auxiliary transfer chain (26) is rotated up and down in conjunction with the vertical rotation of the mower (4), so that the supply transfer chain of the outer auxiliary transfer chain (26) and the mower (4) is supplied. (19) is always kept in the same relational position, can prevent spillage of the harvested cereal rice cake to take over,Reaper(4)Auxiliary transfer device for grains harvested in(7)By feed chain(8)Can be taken over smoothly.
[0011]
  ContractClaim2Described inventionaccording to,In addition to the effect of the first aspect of the present invention, when the reaper (4) starts to rise, the upward rotation on the transfer start end side of the outer auxiliary transfer chain (26) is deactivated to a predetermined height.By providing a non-operating area, ComplementAuxiliary transfer device(7)Thresher from(11)The succession of harvested cereals to is stabilized.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. This is a configuration in which a reaper 4 is provided at the front portion of the combine 1 supported by a holding device 3 placed on the upper side of the traveling chassis 2 of the combine 1 so as to be rotatable up and down. The harvested cereals transferred by the cereal scraping transfer device 5 and the like of the reaper 4 are linked to the front side of the threshing machine 11 placed on the upper side of the traveling chassis 2 in conjunction with the vertical rotation of the reaper 4. Thus, the auxiliary transfer device 7 that can be pivoted up and down is provided to carry over and transfer. The harvested cereal grains handed over and transferred by the auxiliary transfer device 7 are further delivered to the feed chain 8 and the sandwiching basket 9 of the threshing machine 11 and transferred and transferred by the feed chain 8 and the sandwiching basket 9. The culm transfer device 10 of the combine 1 configured to thresh during transfer will be illustrated and described.
[0013]
  A traveling device 12 in which a pair of left and right traveling crawlers 12 a that travel on the soil surface is stretched is disposed below the traveling chassis 2 of the combine 1. As shown in FIG. 6, the harvested cereals that are supplied from the auxiliary transfer device 7 and are handed over by the feed chain 8 and the holding slag 9 etc. are threshed during the transfer, and the threshed grains are selected and recovered. The threshing machine 11 with the grain storage tank 13 to be temporarily stored mounted on the right side in plan view is mounted.
[0014]
  In the front part of the threshing machine 11, a narrow guide 14a and a weeding body 14b for separating the napped cereals to be trimmed, a pulling device 6a for raising the separated cereals, and the raised culm are scraped, The reaping machine 4 is configured by providing a cutting blade device 6 that cuts the stalked culm, a scabbare scavenging transfer device 5 that transfers the sown culm.
[0015]
  As shown in FIGS. 1, 2, and 6, the reaper 4 is provided with a support rod 15 that is inclined rearward and upper, and a support cylinder 16 is provided at the upper end of the support rod 15 in the left-right direction. The support cylinder 16 has a configuration in which a transmission shaft 16a is provided internally. On the upper side of the traveling chassis 2, a holding device 3 composed of a lower support 3 a and an upper support metal 3 b is placed. The circular receiving portion 3c on the upper side of the support metal 3b of the holding device 3 supports the support cylinder 16 at the upper end of the support rod 15, and prevents the support metal 3b from coming off with the upper metal 3d from above. The support metal 16 is pivotally supported by the upper metal 3d to support the pivot center position of the reaper 4 in the vertical rotation. The reaper 4 is configured to be movable up and down with respect to the soil surface by a telescopic cylinder 15a that is hydraulically driven with the support cylinder 16 as a rotation center.
[0016]
  The culm scraping and transferring device 5 of the reaper 4 includes a belt 17a with a take-up lug, a stock transfer chain 17b, a supply depth adjustment transfer chain 18a, a belt 18b with a tip transfer lug, and a supply transfer chain 19 And the like. The transfer start end portion of the substantially triangular supply transfer chain 19 is configured to be located in front of the position of the support cylinder 16 that is the center of rotation. When the reaper 4 is lifted, the supply transfer chain 19 is pivoted upward from the support cylinder 16 which is the center of rotation because the supply transfer chain 19 is located at the front. It is the structure to do. The other transfer chains 17b and 18a, the belts 17a and 18b with lugs, and the like are also configured to rotate upward simultaneously with the supply transfer chain 19.
[0017]
  Between the support metal 3b of the holding device 3 and the bent portion 11b of the front machine wall 11a of the threshing machine 11, a connection plate 20 having a U-shaped cross section is provided as shown in FIG. As shown in FIG. 2, a transmission case 21 in which a transmission mechanism 21 a of the auxiliary transfer device 7 is provided is provided on the outer surface of the connection plate 20, and a shaft end on one side of a lower shaft 22 that is pivotally supported in the transmission case 21. The belt 22 is stretched between a pulley 22 a provided in the section and a pulley 16 b provided on one shaft end of the transmission shaft 16 a provided in the support cylinder 16. It is the structure which rotationally drives the transmission mechanism 21a.
[0018]
  A configuration in which a sprocket 24a is pivotally supported at one end of the intermediate shaft 24 pivotally supported in the transmission case 21, and a gear 24b is pivotally supported at the other shaft end. It is. The chain 23a is spanned between the sprocket 24a and the sprocket 22b provided at the shaft end on the other side of the lower shaft 22.
[0019]
  Upper shaft pivotally supported in the transmission case 21(First axis)A shaft 25 on one side of the shaft 25 is provided with a gear 25a, and a sprocket is mounted on the shaft end on the other side.(First sprocket)25b is supported. This gear 25aAnd the gear 24b of the intermediate shaft 24 is configured to mesh.
[0020]
  As shown in FIGS. 1 to 4, the auxiliary transfer device 7 includes an outer auxiliary transfer chain 26 and an inner auxiliary transfer chain 27. The outer auxiliary transfer chain 26 has a transfer end portion side as a rotation center. The structure can be rotated up and down. The upper side surface portions of the outer auxiliary transfer chain 26 and the inner auxiliary transfer chain 27 are the transfer start end portion of the feed chain 8 of the threshing machine 11 when the mower 4 is within the standard mowing operation range which is a normal mowing operation. It is the structure which was made to incline and incline toward the side (this threshing machine 11 side) sequentially. In addition, when the reaper 4 is rotated upward, it is configured to be in a substantially horizontal state as shown in FIG.
[0021]
  As a result of the downward inclination, the harvested cereal mash transferred by the auxiliary transfer device 7 is in its own weight and supplied into the threshing machine 11, so that the chopped cereal mash is fed from the auxiliary transfer device 7 to the feed chain. It is possible to prevent spillage of cereals when handing over to 8.
[0022]
  The inner auxiliary transfer chain 27 includes a sprocket 25b of the upper shaft 25 and a support shaft.(First support shaft)The inner sprocket 29a of the two-stage sprocket 29 supported by the shaft 28 and the support shaft provided above the upper shaft 25(Second support shaft)Sprocket supported at 30(Second sprocket)It is the structure which spanned 30a in the substantially triangular shape. The upper part of the inner auxiliary transfer chain 27 is configured to be inclined downward toward the threshing machine 11 side.
[0023]
  The outer auxiliary transfer chain 26 includes an outer sprocket 29b of a two-stage sprocket 29 and a support shaft.(Third support shaft)Sprocket supported by 31(3rd sprocket)This is a configuration spanning 31a. The upper portion of the outer auxiliary transfer chain 26 is configured to be inclined downward toward the threshing machine 11 side, and the transfer start end side of the outer auxiliary transfer chain 26 with the support shaft 28 as a rotation center. (The support shaft 31 part side) is configured to move up and down.
[0024]
  The front / rear position and the vertical position of the transfer start end of the feed chain 8 of the grain transfer device 10 are substantially the same as the side view support shaft 30, and the left / right direction position is substantially the same position as the auxiliary transfer chain 26 outside plan view. The feed chain 8 is spanned between the front and rear sprockets 8a and 8b at these positions.
[0025]
  The full width of the auxiliary transfer device 7 in the plan view of the outer / inner auxiliary transfer chains 26 and 27 is narrower than the full width of the feed chain 8. As shown in FIGS. 1 and 2, the vertical rotation mechanism of the external auxiliary transfer chain 26 of the auxiliary transfer device 7 is a support cylinder provided on the support rod 15 by the vertical rotation of the support rod 15 of the reaper 4. 16 is rotated, and is configured to rotate up and down in conjunction with this rotation.
[0026]
  As shown in FIGS. 1 and 2, an L-shaped support plate 32 is attached to the support cylinder 16 with bolts or the like. The support plate 32 includes a connecting rod 33a and a connecting plate 33b. The connecting rod 33 is mounted with a pin 34. The connecting plate 33b is provided with a long hole 33c having a predetermined length (H1) upward and a predetermined length (H2) downward from the connecting pin 38 to be reared. This elongated hole 33c is configured to restrict the inoperative range of the upward rotation and the downward movement.
[0027]
  As shown in FIGS. 1 and 2, a support plate 35 is provided on the upper side of the traveling chassis 2, and the support plate 35 is provided with a receiving metal 35 a. A holding plate 36 is provided on the lower side of the transmission case 21, and a receiving metal 36 a is provided on the holding plate 36. The rotating shaft 37 is rotatably supported by the receiving metal 35a and the receiving metal 36a. The rotation shaft 37 has a configuration in which an intermediate arm 37a is fixed to a substantially central portion, and a crank-shaped outer arm 37b is fixed and provided on the outer end side.
[0028]
  The lower position at a predetermined distance from the upper end portion of the elongated hole 33c of the connecting plate 33b of the connecting rod 33 and the upper end portion of the middle arm 37a of the rotating shaft 37 are connected by a connecting pin 38. A rotating metal 39 is rotatably supported on the outer peripheral portion of the lower boss 21b on the lower rear side of the transmission case 21, and the rotating metal 39 is provided with a retaining structure. A left arm 39 a and a right arm 39 b are fixedly provided at both left and right ends of the rotating metal 39.
[0029]
  One end of the connecting rod 40 is connected to the tip of the outer arm 37b with a connecting pin 40a. The other end of the connecting rod 40 and the tip of the right arm 39b of the rotating metal 39 are connected by a connecting pin 40b. The distal end of the left arm 39a of the rotating metal 39 is inserted into the support shaft 28 and fixed. With the rotation of the rotating metal 39, the support shaft 28 is rotated in conjunction with the rotation, and the outer auxiliary transfer chain 26 of the auxiliary transfer device 7 is vertically rotated in conjunction with the rotation. is there.
[0030]
  The support cylinder 16 is rotated by the vertical rotation of the support rod 15 of the reaper 4, and the rotation shaft 37 is rotated through the connection rod 33 and the middle arm 37 a by the rotation of the support cylinder 16. In conjunction with the rotation of the rotating shaft 37, the support shaft 28 is rotated via the outer arm 37b, the connecting rod 40, the right arm 39b, the rotating metal 39, and the left arm 39a. The outer auxiliary transfer chain 26 of the auxiliary transfer device 7 is configured to rotate up and down in conjunction with the rotation of the support shaft 28.
[0031]
  When the outer auxiliary transfer chain 26 is rotated up and down in conjunction with the vertical rotation of the reaper 4, the relative position of the outer auxiliary transfer chain 26 and the supply transfer chain 19 of the reaper 4 is always It is the structure hold | maintained at the same relationship position, and is the structure which prevented the spilling of the cereal of the harvested cereal to succeed.
[0032]
  A receiving plate 41 is provided between the entire outer auxiliary transfer chain 26 and the transfer start end of the feed chain 8 and is rotatably provided on the upper side of the chains 26 and 8 as shown in FIG. is there. The harvested culm that is transferred by the supply transfer chain 19 at the transfer terminal end of the cereal scraping transfer device 5 of the reaper 4 is both an outer auxiliary transfer chain 26 and an inner auxiliary transfer chain 27 of the auxiliary transfer device 7. The outer and inner auxiliary transfer chains 26 and 27 take over and transfer both the stock side and the tip side from the stock side to the feed chain 8 and the holding rod 9, and feed these feeds. It is the structure which is pinched | interposed with the chain 8 and the pinch bowl 9, and threshes the inside of the threshing machine 11 during pinching transfer.
[0033]
  As shown in FIG. 1, the connecting pin 38 that connects the long hole 33c provided in the connecting plate 33b of the connecting rod 33 and the middle arm 37a of the rotary shaft 37 has a predetermined length from the upper end position of the long hole 33c. (H1) This is a configuration that is positioned and connected to the lower portion. With this configuration, when the reaper 4 starts to rotate upward, the upward rotation of the outer auxiliary transfer chain 26 of the auxiliary transfer device 7 is a predetermined length. Between (H1), it is the structure which becomes a non-operation area. Due to this inoperative range, the outer auxiliary transfer chain 26 starts to rotate upward after the reaper 4 has been raised by a predetermined height.
[0034]
  Thereby, the spillage of the cereal at the time of taking over of the harvested cereal can be prevented. When the reaper 4 is pivoted down to the minus reaping side outside the operating range during the reaping operation, the outer auxiliary transfer chain 26 of the auxiliary transfer device 7 has a predetermined length (provided on the connecting plate 33b of the connecting rod 33). Since the long hole 33c of H2) is formed, as shown in FIG. 1, the outer auxiliary transfer chain 26 is configured not to rotate downward by the predetermined length (H2) of the long hole 33c.
[0035]
  As a result, when the reaper 4 is rotated downward to the minus reaper side and the outer auxiliary transfer chain 26 is rotated in conjunction with this rotation, the gap between the takeover portions becomes wider and spillage of the cereals occurs. However, spilling of the cereals can be prevented by not turning downward.
[0036]
  On the threshing machine 11 side, an operating device 42 for controlling the operation of the combine 1 and a pilot seat 43 on which a pilot operator boards are provided, and an engine 44 and the like are mounted below the pilot seat 43, A grain storage tank 13 is installed in the rear. The traveling device 12, the threshing machine 11, the reaper 4, the engine 44, and the like constitute the body 1 a of the combine 1.
[0037]
  The presence or absence of supply of cereal to the threshing machine 11 by contact action on the culm that is harvested and transferred in the culm transporting path formed by the culm scraping transfer device 5 of the reaper 4 A grain straw sensor 45 for detection is provided. In the transmission path of the traveling mission case 46 mounted on the front end of the traveling chassis 2, a vehicle speed sensor 46 a that detects the traveling vehicle speed based on the output rotational speed is provided.
[0038]
  As shown in FIG. 7, the threshing machine 11 is provided with a threshing chamber 47, a dust removal processing chamber 48, and a second processing chamber 49 in the upper portion, and a sorting chamber 50 in the lower portion. . In the threshing chamber 48, a large number of various extraction teeth 47b are mounted, and a handling cylinder 47a for threshing the harvested cereal meal is axially mounted in the front-rear direction.
[0039]
  The processing teeth that are processed in parallel with the right side of the threshing chamber 47 in the front and in the front second processing chamber 49 while the reduced unthreshed grains (second product) are transferred forward and discharged to the sorting chamber 50. 49b, a second treatment drum 49a equipped with a second discharge blade 49c, and a part of the threshing chamber 47 supplied from the threshing chamber 47 are moved backward in the dust removal treatment chamber 48 at the rear. However, a dust exhausting cylinder 48a fitted with processing teeth 48b to be reprocessed is coaxially mounted on the shaft.
[0040]
  A feed chain 8 for sandwiching the harvested cereal rice cake and a holding rice cake 9 are disposed along the handling mouth 51 on the left side of the threshing chamber 47 in plan view, and a handling cylinder cover 51a is provided from the lower peripheral edge of the tooth handling teeth 47b. A handling net 51b that surrounds each of the processing teeth 48b, 49b, a dust collection net 52a that surrounds the lower side of each outer peripheral edge of each processing tooth 48b, 49b, and a leaking tool 52b that has rod-like members provided at predetermined intervals on the front side. Are arranged. A dust discharge outlet 52c for discharging dust is provided at the transfer end of the dust net 52a, and a threshing process is performed at the transfer end of the leaking tool 52b in the second processing chamber 49. The second discharge port 52d for discharging a part of the processed product is provided.
[0041]
  The harvested corn straw transferred by the grain mash scavenging transfer device 5 and the auxiliary transfer device 7 of the reaper 4 is provided at the lower side of the handle 51 so as to protrude forward from the front machine wall 11a. It is received by the funnel 11c, is sandwiched and taken over by the holding bowl 9 that can move up and down, and the feed chain 8, is supplied to the threshing chamber 47, and threshs during the threshing chamber 47 during transfer.
[0042]
  In the sorting chamber 50, the cereals leaked from the handling net 51b, the processed material leaked from the leakage tool 52b and the dust net 52a, and the processed material discharged from the second discharge port 52d, A swing sorting device 53 that receives supply of dust discharged from the dust discharge outlet 52c and performs swing sorting while being transferred is provided along the axial direction of the handling cylinder 47a.
[0043]
  The swing sorter 53 has a structure in which a transfer shelf 54a, a chaff sheave 54b, and a stroll rack 54c are sequentially provided from the front, and a glenshave 54d is provided below the chaff sheave 54b. It is possible to configure and the amount of leakage can be adjusted. A swing fulcrum 53a is provided at the front end on the upper side of the front part, and is constructed so as to be swingable by a swing cam 53b provided at the rear end.
[0044]
  A blower 55 having a blower blade 55a rotatably mounted therein is provided at a lower portion of the transfer direction start end (upper side) of the swing sorting device 53, and the sorting wind generated by the blower 55 is blown to send grains and It is the structure which wind-sorts to dust. The threshed slaughter is sandwiched between the staking chain 56 and the squeezing clamp 56a and transferred rearward.
[0045]
  The tip of the lower side of the blower 55 accommodates the grain that flows down and sorts from the first sorting shelf 57, and is connected to the upper side of the first receiving rod 57a that is laterally fed by the first helix 57b. The side is connected to the lower end of the first sorting shelf 57, and a second blower 58 is provided below the first sorting shelf 57.
[0046]
  On the lower side of the second blower 58, a second sorting shelf 59 is provided, and an unthreshing processed product (second thing) that is sorted down from the second sorting shelf 59 is accommodated. A blower port 58a is provided between the upper end on the upper side of the second receiving rod 59a to be fed and the lower side of the first sorting shelf 57, and the upper end on the lower side of the second receiving rod 59a. Is positioned in a state of being in contact with the lower end portion of the second sorting shelf 59, and the upper end portion of the second sorting shelf 59 is discharged outside the apparatus.
[0047]
  The grain that has been laterally fed by the first spiral 57b is taken over by a grain raising device (not shown) or the like, and is sent to the grain storage tank 13 to be stored. Threshing the second reduction cylinder 60 equipped with the second lifting spiral 60a that takes over the unthreshing processed product (second thing) that has been laterally fed by the second spiral 59b and feeds it into the second processing chamber 49. It is a configuration that is obliquely installed on the right side of the machine in plan view.
[0048]
  On the upper side of the transfer terminal portion of the swing sorting device 53, the sorting wind of the blower 55, the sorting wind of the second blower 58, and the sorting dust generated by the swing sorting of the swing sorting device 53 are discharged. The fan 61 is discharged outside the machine. On the rear side of the grain storage tank 13, a discharge support cylinder 62 having a vertical transfer spiral 62 a is rotatably supported in a substantially vertical posture. Has a configuration in which a discharge auger 63, which is provided with a discharge spiral 63a for discharging grains to the outside of the combine 1 in the longitudinal direction of the combine 1 so as to be retractable, is disposed in a lateral direction so as to be retractable, vertically rotatable, and horizontally rotatable is there.
[0049]
  In order to connect the outer arm 37b fixed to the rotating shaft 37 of the auxiliary transfer device 7, the connection pin 40b for connecting the connection arm 40, and the front side wall plate 11a of the threshing machine 11 are shown in FIGS. As shown in the figure, a spring 64 that repels is provided. When a trouble occurs in the outer auxiliary transfer chain 26 of the auxiliary transfer device 7 and it becomes locked, the spring 64 is extended to become a safety device, and the auxiliary transfer device 7 is prevented from being damaged. Further, the stopper 64a for determining the lower position is provided.
[0050]
  The vertical rotation of the external auxiliary transfer chain 26 of the auxiliary transfer device 7 is not interlocked with the vertical rotation of the reaper 4, and the rotary shaft 37 has a crank-shaped outer arm as shown in FIGS. 37b is provided, and one end of the connecting rod 40 is attached to the tip of the outer arm 37b with a connecting pin 40a.
[0051]
  A rotating metal 39 is pivotally supported on the outer peripheral portion of the lower boss 21b of the transmission case 21, and the rotating metal 39 is provided with a stopper. A left arm 39a and a right arm 39b are fixed to the left and right sides of the rotating metal 39.
[0052]
  The other end of the connecting rod 40 and the tip of the right arm 39b of the rotating metal 39 are connected by a connecting pin 40b. The distal end of the left arm 39a of the rotating metal 39 is inserted into the support shaft 28 and fixed. With the rotation of the rotating metal 39, the support shaft 28 rotates in conjunction with the rotation, and the outer auxiliary transfer chain 26 of the auxiliary transfer device 7 rotates in conjunction with the rotation. is there.
[0053]
  When the chopping machine 4 is used to cut the nail flour having a standard length, as shown in FIG. 10, the harvesting operation is performed in a state where the lock plate 65 rotatably provided on the upper side of the traveling chassis 2 is tilted. Further, when cutting a short nail flax, insert the tip of the lock plate 65 into the connecting pin 40a that connects the outer arm 37b of the rotating shaft 37 and the connecting rod 40 as shown in FIG. The outer auxiliary transfer chain 26 of the auxiliary transfer device 7 is in a locked state. In this locked state, it is a configuration for harvesting short-pricked noodles.
[0054]
  Thereby, it is possible to cope with the culm length of cereals to be harvested with a simple operation.
[Brief description of the drawings]
FIG. 1 is an enlarged side view of a cereal transfer device unit.
[Fig. 2] Enlarged plan view of the cereal transfer device
[Fig. 3] Side view of the auxiliary transfer device at the time of standard harvesting
FIG. 4 is a side view of an auxiliary transfer device section at the time of harvesting with a high harvester.
FIG. 5 is an enlarged side perspective view of the auxiliary transfer device section.
[Fig. 6] Overall side view of combine
FIG. 7 is an enlarged side sectional view of a threshing machine.
FIG. 8 is a diagram showing another embodiment, and is an enlarged side view of the auxiliary transfer device section;
FIG. 9 is a diagram showing another embodiment, and is an enlarged front view of a spring portion of an auxiliary transfer device
FIG. 10 is a diagram showing another embodiment, and is a side view of an auxiliary transfer device portion at the time of standard hoe cutting
FIG. 11 is a diagram showing another embodiment, and is a side view of an auxiliary transfer device portion at the time of cutting a short cocoon
[Explanation of symbols]
  2 Vehicle chassis
  3 Holding device
  4 Mowers
  5    Grain meal transfer device
  7 Auxiliary transfer device
  8 Feed chain
  9 Clamping bowl
11 Thresher
12    Traveling device
15    Support
16    Support tube
19    Supply transfer chain
21 Transmission case
25 Upper shaft (Firstaxis)
25b  Sprocket (first sprocket)
26    Outside auxiliary transfer chain
27 Auxiliary transfer chainN
28 Support shaft(First support shaft)
29a  Inner sprocket
29b  Outer sprocket
30 Support shaft(Second support shaft)
30a  Sprocket (second sprocket)
31    Support shaft (third support shaft)
31a  Sprocket (3rd sprocket)

Claims (2)

A traveling device (12) is provided below the traveling chassis (2), a threshing machine (11) is disposed above the traveling chassis (2), and a reaper (4) is disposed at the front of the threshing machine (11). The mower (4) is provided with a support rod (15) that is inclined rearward and the support cylinder (16) provided at the upper end of the support rod (15) is placed on the upper side of the traveling chassis (2). A threshing machine, which is pivotally supported by the holding device (3) so as to be pivotable up and down, and takes over the harvested cereal mash transferred by the cereal scraping transfer device (5) of the reaper (4) from the supply transfer chain (19). (11) of the feed chain (8) and Kyoji杆(9) and f receives and passes the auxiliary transfer device (7) set only the inner auxiliary transport the auxiliary transfer device (7) outside the auxiliary transport chain (26) Chen ( constitutes from 27), the inner auxiliary transport chain (27), is furnished a transmission mechanism of the auxiliary transfer device (7) the transmission case (21) The provided on the upper side of the axially supported by the first shaft (25) a first sprocket (25b) and the inner sprocket and pivotally supported by the first support axis of the front (28) (29a) first axis (25) 2 The outer auxiliary transfer chain (26) is spanned to the second sprocket (30a) pivotally supported on the support shaft (30) , and the outer sprocket (29b) pivotally supported on the first support shaft (28) and the third support. It is spanned to a third sprocket (31a) pivotally supported on the shaft (31), and the transfer start end side of the outer auxiliary transfer chain (26) is vertically rotated around the first support shaft (28) as a rotation center. The front and rear and vertical positions of the transfer start end of the feed chain (8) are set to be substantially the same as the second support shaft (30), and the horizontal position of the feed chain (8) is set to the outer auxiliary transfer chain (26). And the position of the mower (4) And characterized in that the transfer start end side of the outer auxiliary transport chain (26) provided with a vertical pivot mechanism for vertically rotated with the rotation of the support cylinder (16) with the vertical rotation of the lever (15) Combine to do. When the reaper (4) starts to rise, a non-operational area is provided to disable the upward rotation on the transfer start end side of the outer auxiliary transfer chain (26) to a predetermined height, and the reaper (4) rises to a predetermined height. The combine according to claim 1, wherein the transfer start end side of the outer auxiliary transfer chain (2) starts to rotate upward after being moved .

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