JP2018014937A - combine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve a problem that an ear tip side of a reaped grain culm deviates in an ear tip conveyance device in manual threshing work and supply to a grain culm supply port of a threshing device is disturbed to cause occurrence of clogging.SOLUTION: In a combine, a root side of a grain culm reaped by a reaping device 4 is transferred from a root conveyance device 34A to a feed chain 12B arranged in a threshing device 3 and a supply chain 34C arranged in a machine body depth front part of the feed chain. A manual threshing restriction member 38 extending from a terminal side of the root conveyance device toward a front part of a holding rod 12A facing an upper side of the feed chain is configured to be switched between a state where the manual threshing restriction member is erected and rotated with a rotation support shaft 38b arranged at a terminal part of the root conveyance device as a center, a front upper part of the feed chain opens, and reaped grain culms can be supplied and a state where the manual threshing restriction member is lodged and rotated and a tip of the manual threshing restriction member approaches a front part of the holding rod to restrict supply of reaped grain culms. The manual threshing restriction member lodged and rotated presses a tip side holding rod 61 facing an upper side of the supply chain to the supply chain side.SELECTED DRAWING: Figure 11

Description

  The present invention relates to a combine.

  Combine harvesters harvest cereal vegetation on the field with a reaping device, supply the tip of the harvested cereal cocoon to the threshing device, and thresh and harvest the grains in a glen tank. The harvested cereals are handled by stopping the combine and supplying them directly to the threshing device.

  As a conventional combine, in order to supply the cereals harvested by the worker to the threshing device of the combine, the hand-held cereal where the worker directly supplies the cereal to the position where the harvested cereal is transferred from the reaping device to the threshing device A configuration in which a cocoon supply unit is provided is known (see, for example, Patent Document 1).

  The handling grain supply unit is provided with a supply chain that clamps and conveys the harvested grain cake that is transferred from the conveying device of the harvesting device to the feed chain, and operates a mode switch that switches the handling operation. The control state in which the handling control member to be rotated is rotated downward to restrict the supply of the handle cereal to the feed chain, and the handling control member is rotated up to rotate the hand handling cereal Can be switched to a non-regulated state in which it is allowed to be supplied to the feed chain.

JP2015-136334A

  However, the known configuration does not describe the relationship between the handling control member and the clamping rod on the supply chain provided at the front side of the body of the feed chain.

  For this reason, when the holding power of the cereal by the supply chain and the squeezing culm is weak, the conveyance of the culm tip side is delayed during normal cutting and threshing work, and the posture of the cereal is disturbed. It may cause clogging.

  According to the present invention, it is possible to switch to a handling operation performed by a worker directly supplying a harvested cereal meal to a threshing device with a simple configuration, and at the time of switching to a normal harvesting threshing work, The purpose is to prevent the supply posture from being disturbed.

  The above conventional problem is solved by the following technical means.

  The invention according to claim 1 includes a feed chain (12B) provided in a threshing device (3) from the stock transporter (34A) to the threshing device (3A) of the harvested cereal milled by the reaping device (4) and the feed. In the combine handed over to the supply chain (34C) disposed in the front side of the machine body rear side of the chain (12B), a sandwiching rod facing the upper side of the feed chain (12B) from the terminal end side of the stock transporter (34A) 12A), a hand-holding restricting member (38) extending toward the front portion is raised and rotated around a rotating support shaft portion (38b) provided at a terminal portion of the stock transporter (34A). A state where the upper part of the front part of the feed chain (12B) is opened to allow the supply of the harvested cereal rice cake, and the hand handling restricting member (38) is turned down and the hand handling restricting member (38 ) Near the front of the clamping rod (12A) It is possible to switch to a state in which the supply of the harvested cereal rice bran is restricted, and the tip side holding rice cake (38C) facing the upper side of the supply chain (34C) by the handle-controlling member (38) rotated and turned down. 61) is configured to press the supply chain (34C) side.

  The invention according to claim 2 is characterized in that the rotation support shaft portion (38b) of the hand-handling restricting member (38) and the rotation support shaft portion (61b) of the tip side clamping rod (61) The combine according to claim 1, wherein the combine is pivotally supported on a shaft support portion (37a) provided on the terminal end side of the transport device (34A).

  According to the first aspect of the present invention, when the hand handling restricting member 38 is turned over and turned into the hand handling restricting state, the tip side clamping rod 61 is pressed against the supply chain 34C by the hand handling restricting member 38. While the stock side of the harvested cereal culm is sandwiched between the feed chain 12B and the sandwiching culm 12A, the head side of the harvested cereal culm is securely sandwiched between the supply chain 34C and the tip squeezing side gripper 61. Therefore, the harvested cereal meal is reliably fed into the threshing device 3 during the cutting operation, and clogging at the cereal meal delivery opening is less likely to occur.

  According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, the rotation support shaft portion 38 b of the handling restriction member 38 and the rotation support shaft portion 61 b of the tip side holding rod 61 are provided. Since it is supported coaxially by the shaft support part 37a provided on the terminal end side of the stock transporter 34A, the configuration is simplified.

It is a left view of a combine. It is a top view of a combine. It is a left view of a threshing apparatus. It is a cross-sectional left side view of a threshing apparatus. It is a front view of the horizontal transmission cylinder of a reaping device. It is a front view of the counter axis | shaft of a threshing apparatus. It is attachment explanatory drawing of the hydraulic type continuously variable transmission for feed chains. (A) of the hydraulic continuously variable transmission for feed chains is a partial sectional view, and (b) is a side view. It is a transmission mechanism figure of a combine. It is a connection diagram of a control device. It is an enlarged side view of a hand-held cereal supply part. It is an enlarged plan view of a hand-held cereal supply unit. It is a control operation box top view of a grain discharge pipe. It is a rear view of a steering handle. It is a side view of a crawler traveling device. It is a top view of a handling depth control part. It is a front view of a handling depth control part. It is a flowchart figure of handling depth automatic control.

  Hereinafter, an embodiment of a combine according to the present invention will be described with reference to examples shown in the drawings. In the description of the embodiment, the left and right directions in the forward direction of the aircraft are referred to as left and right, respectively, the forward direction is referred to as forward, and the backward direction is referred to as rear. However, the configuration of the present invention is not limited.

  As shown in FIGS. 1 and 2, the combine is provided with a traveling device 2 composed of a pair of left and right crawlers traveling on the soil surface below the body frame 1, and on the left side above the body frame 1 threshing / sorting A threshing device 3 is provided, and on the front side of the threshing device 3, a reaping device 4 for harvesting cereal grains in the field is provided. The grain threshed and selected by the threshing device 3 is stored in a Glen tank 5 provided on the right side of the threshing device 3, and the stored grain is discharged to the outside by the discharge cylinder 7. In addition, on the front side of the Glen tank 5, a control unit 6 on which a pilot rides is provided, and on the lower side of the control unit 6, an engine room 8 on which an engine E is mounted is provided.

  As shown in FIG. 14, a handle arm 25 serving as a horizontally long grip portion is attached to the front panel on the front side of the control portion 6 with left and right attachment arms 22R and 22L, and a rearview mirror 23 is attached to the right attachment arm 22R with a mirror attachment bracket 23a. The vehicle width lamp 24 is mounted with the mounting bracket 24a.

  The operation of the discharge cylinder 7 is controlled by a control switch box 21 shown in FIG. 13. The control switch box 21 includes, for example, a right swing switch 21a, a discharge switch 21b, a right movement switch 21c, and an extension switch 21d. Since the discharge switch 21b is disabled during expansion / contraction and left / right turn to prevent erroneous operation, the disabled switch blinks or presses to sound an alarm and informs that it is an erroneous operation. Like that.

  As shown in FIG. 15, the traveling device 2 formed of a crawler that supports the body frame 1 has a front arm 74F and a rear arm 74R provided on the track frame 75 connected by a connecting rod 76, and an elevating cylinder 77 by an elevating arm 78 to the connecting rod 76. Are connected, and the body frame 1 is moved up and down by the expansion and contraction of the lifting cylinder 77 to cope with the work in the wet field. However, the body frame 1 moves backward with respect to the track frame 75 when the body frame 1 is lifted. Therefore, by making the maximum height during reverse travel higher than the maximum height during forward travel, stable travel in reverse travel is possible, and wetland running performance is improved. In addition, maintenance work is facilitated by increasing the maximum height even when traveling is stopped. Reference numeral 79 in the figure denotes a rolling cylinder.

<Mowing device>
The reaping device 4 is attached to a reaping frame 30 serving as a main frame. The cutting frame 30 is formed of a post-cutting frame 28 extending in the front-rear direction and a cutting transmission case 29 extending in the left-right direction at the front portion of the post-cutting frame 28. The rear portion of the post-cutting frame 28 is attached to the right side portion of a lateral transmission cylinder 36 extending in the left-right direction, which will be described later.

  The reaping device 4 includes a weed culm 31 for weeding the planted cereal culm, a pulling device 32 for causing a lying planted culm provided on the back side of the weed culm 31, and a rear side of the pulling device 32. A cutting blade device 33 for cutting the planted grain culm stock provided and a conveying device 34 provided on the rear side of the pulling device 32 are formed.

  The conveying device 34 is a device that conveys the harvested cereal rice cake whose stock has been cut by the cutting blade device 33 to the threshing portion conveying device 12 provided on the left side of the threshing device 3. In addition, the conveying apparatus 34 conveys the stock source side of the harvested cereal culm and takes over to the feed chain 12B of the threshing device 3, and the tip conveying that conveys the tip side and sends it to the handle 26B of the threshing device 3. It is formed from the device 34B.

  As shown in FIGS. 11 and 12, a cutting bracket 37 on the side of the cutting device 4 is disposed at the upper end of the stock transporting device 34 </ b> A, and a shaft support portion 37 a is provided at the rear end portion of the cutting bracket 37. The base of the right restricting member 38 is fixed to a handle bracket 38a which is a plate-shaped member having a U-shaped cross section, and the front end portions of the left and right rotation support portions 38b extending forward from the handle bracket 38a are It is attached to the shaft support portion 37a so as to be rotatable up and down. In addition, the spring 60 that stretches the handling restriction member 38 between the cutting bracket 37 and the handling bracket 38a, and the lying posture tilted toward the rear clamping rod 12A and the standing posture standing up front and upward. And each posture can be maintained. The cutting bracket 37 is provided independently of the handling handle member 38 and is attached with a front end portion of a stock holding member 62 made of an elastic steel plate. Disturbance of the clamping posture of the harvested cereal rice cake that is handed over from the terminal end portion of the original conveying device 34A to the starting end portion of the feed chain 12B of the threshing portion conveying device 12 is prevented.

  As shown in FIG. 12, the hand-handling restricting member 38 protrudes outward from the outer surface portion of the hand-handling bracket 38a, curves backward, and extends outward from the feed chain 12B in a posture extending rearward. It is located at a distance. A grip 38c is provided at the tip of the hand-controlling member 38, and the switching operation can be performed safely with the grip 38c.

  Further, a hand switch 38d for detecting the rotation position of the hand handling restricting member 38 is provided in the vicinity of the pivot supporting shaft portion 38b, and the hand handling restricting member 38 is switched to the standing posture. This is the mode switch 6B that detects this and decreases the output rotation speed of the engine E. In a side view, the hand-handling restricting member 38 rotates counterclockwise around the pivot shaft 38b and rises forward and upward, so that the hand-handling bracket 38a or the hand-handling bracket 38a is inward of the airframe. When the plate 66a extending to the contact with the handle switch 38d is turned on and the handle switch 38d is turned on, and the handle restricting member 38 is rotated clockwise, the plate 66a is handled. The switch 38d is separated from the switch 38d and the hand switch 38d is turned off. When the hand switch 38d is turned on, the output rotational speed of the engine E decreases to a rotational speed lower than the rated rotational speed, and the driving speed of the feed chain 12B driven by the engine E also decreases.

  A supply chain 34C driven from the mowing device 4 side is provided in parallel with the feed chain 12B at a portion inside the machine body at the front portion of the feed chain 12B. A tip side holding rod 61 is placed on the upper part of the supply chain 34C, and a base 61B of the tip side holding rod 61 is bent in the left-right direction to form a rotating support shaft 61b. The rotating support shaft 61b Is pivotally supported on the shaft support portion 37a of the cutting bracket 37 so as to be rotatable up and down. Then, a rubber member 38e fixed on the lower surface of the hand-handle bracket 38a is placed on the upper surface of the receiving plate 61a provided at the base of the tip side clamping rod 61. As a result, the tip end side holding rod 61 is pressed against the supply chain 34C in a state where the handling control member 38 is held in the lying posture by the sprig 60, so that the tip side of the harvested cereal rice cake is firmly held and conveyed. .

  The shaft support portion 37a of the cutting bracket 37 pivotally supports the rotation support shaft 61b on the tip side clamping rod 61 side and the rotation support shaft portion 38b on the hand handling bracket 38a side, so that the configuration is simplified. The

  At the time of normal mowing and threshing operation, the hand handling restricting member 38 is rotated clockwise around the shaft support portion 37a of the mowing bracket 37 in a side view, and the outer side of the feed chain 12B is moved by the hand handling restricting member 38. Cover the top. In addition, when the tip of the hand handling restricting member 38 approaches the tip of the holding bowl 12A facing the upper side of the feed chain 12B in a side view, the supply of the hand-held cereal meal to the feed chain 12B is regulated. To do. In addition, it is good also as a structure which the front-end | tip of the handling control member 38 superposes | stacks on the front-end | tip part of 12 A of clamping ridges by a side view. Thereby, it is possible to prevent the hand-held cereal meal from being supplied during the mowing and threshing operation. On the other hand, at the time of handling operation, the handling control member 38 is rotated counterclockwise about the shaft support portion 37a in a side view, and the front upper side of the feed chain 12B is opened. As a result, the harvested cereal grains harvested by the handling operation can be easily placed on the front upper side of the feed chain 12B and the upper surface of the tip side clamping ridge 61. In addition, during normal mowing and threshing work, when the handling control member 38 is left in an unregulated state and the handling switch 38d is turned on, the handling control member 38 is rotated to a regulated state. In order to notify the operator of the necessity, it is preferable to display it on a monitor in the control unit 6, blink a lamp, or sound a warning sound.

  As shown in FIGS. 3 to 5, the left suspension base 35 is attached to the upper side of the left base 35 </ b> A erected on the body frame 1. At the front portion of the left suspension base 35, a support shaft 35B extending in the vertical direction is rotatably formed to rotatably support the base portion of the lateral transmission frame 35C that pivotally supports the left side portion of the lateral transmission cylinder 36. Further, the lateral transmission frame 35C is formed in a substantially square shape when viewed from the front. As a result, maintenance / inspection work can be performed by easily turning the reaping device 4 toward the outside of the machine about the support shaft 35B.

  The right suspension base 35 is attached to the upper side of the right base 35 </ b> A erected on the body frame 1. A support member 35 </ b> D that supports the right side portion of the lateral transmission cylinder 36 is attached to the upper portion of the right suspension base 35. The support member 35D is formed of a front support member and a rear support member that are divided into substantially semicircular arcs. When the right side portion of the lateral transmission cylinder 36 is pivotally supported, the front and rear side support members are engaged, and when the cutting device 4 is rotated outward to open the interior, the front and rear side support members are engaged. The support shaft 20a (see FIG. 1) provided with the caster wheel 20 for grounding is attached to the bottom frame 33F of the reaping device 4, but when the caster wheel 20 is not used, it is mounted on the nearby body frame 1 Fix the storage.

  Further, the middle part in the vertical direction of the left suspension base 35 and the right suspension base 35 is connected by a connection frame 35E.

  The rotation of the engine E is transmitted to the traveling hydraulic continuously variable transmission 66 through the pulley 66B, and the rotation of the traveling hydraulic continuously variable transmission 66 is housed in the lateral transmission cylinder 36 through the pulley 36A. It is transmitted to the lateral transmission shaft 36B. The rotation of the lateral transmission shaft 36 </ b> B is transmitted to the cutting device 4 through a transmission shaft (not shown) built in the cutting frame 30, and drives the pulling device 32, the cutting blade device 33, and the conveying device 34. The rotation of the traveling hydraulic continuously variable transmission 66 is transmitted to the traveling device 2 through the transmission 65 to drive the left and right crawlers. Note that it is preferable not to perform posture control by the rolling cylinder and the pitching cylinder in order to stabilize the turning posture while the traveling device 2 is turning.

<Threshing device>
As shown in FIG. 4, the threshing device 3 is formed of a handling chamber 50 that threshs the harvested cereal meal and a sorting chamber 51 that sorts the grains threshed in the handling chamber 50.

  In the handling chamber 50, a handling cylinder 55 having a plurality of handling teeth supported by a handling cylinder shaft 55A installed on the front wall 50A and the rear wall 50C of the handling chamber 50 is provided. In addition, the grain supply port 26A is opened at the lower left side of the front wall 50A of the handling chamber 50, and the handling port 26B is opened along the handling drum 55 at the lower part of the left wall 50B. A discharge port 26C is opened at the lower left side. Further, on the left side of the handling chamber 50, a threshing section transporting device 12 is provided in parallel, holding the grain stock along the handle 26B and transporting it toward the rear side. The threshed waste cereals that have been threshed are transferred to the rear side of the threshing part conveying device 12 and conveyed toward the rear side, and then cut by the pair of pulverized cutters 59. Discharged outside.

  At the upper part of the sorting chamber 51, a swing sorting device 52 for sorting the grains falling from the handling chamber 50 is provided. Also, below the rocking sorter 52, a first tang 53A that blows the sorting wind to the front sheave portion of the rocking sorter 52 and the grains falling from the rocking sorter 52 are collected. The first tray 53B, the second tang 53C that sends the sorting air to the rear sheave of the rocking sorter 52, and the second thing to which the branch bellflower falling from the rocking sorter 52 is attached are collected. A receiving rod 53D is arranged in order from the front side. The grain recovered in the first receiving bowl 53B is cerealed in the Glen tank 5, and the second item collected in the second receiving bowl 53D is cerealed in the second processing chamber.

  The rear part on the right side of the handling chamber 50 communicates with the dust removal treatment chamber, and the dust removal treatment chamber 57 is provided with a dust removal treatment cylinder 57 extending in the front-rear direction with screw blades formed on the outer peripheral surface. . In addition, the front part of the dust removal treatment chamber communicates with the second treatment chamber for treating and reducing the second thing, and the second treatment chamber has a front-rear direction in which intermittent spiral blades are formed on the outer peripheral surface. An extended second processing cylinder 56 is provided. Further, on the upper side of the rear portion of the swing sorting device 52, there is provided a dust exhaust fan 48 for sucking and discharging the dust generated during threshing and sorting.

<Threshing part conveyance device>
As shown in FIGS. 3 and 6, the threshing section transporting device 12 is formed of a holding trough 12A and a feed chain 12B. The clamping rod 12A is attached to the left side of the handling cylinder cover 40 of the handling chamber 50, and is biased toward the feed chain 12B by a biasing means 14 such as a spring. A feed chain 12B provided to face the clamping rod 12A includes a front tensioning wheel 17B, a rear tensioning wheel 17D, a front tensioning wheel 17B and a rear side that are rotatably supported by the front and rear portions of the chain rail 18. It is wound around a drive sprocket 17A located between the side stretched wheels 17D. The drive sprocket 17A is supported by a drive shaft 68D connected to the output shaft 68B of the gear box 68 via a coupling 68C.

  The chain rail 18 includes an upper chain rail 18A on which an action-side feed chain 12B moving from the front tensioning wheel 17B toward the rear tensioning wheel 17D is mounted, and a rear tensioning wheel 17D to the front tensioning wheel 17B. The lower chain rail 18B is mounted on the non-operating feed chain 12B that moves toward the upper side, and the connecting plate 18C connects the upper chain rail 18A and the lower chain rail 18B. An arcuate guide 18D that guides the non-working side feed chain 12B to the drive sprocket 17A is provided at the front of the lower chain rail 18B.

  As shown in FIGS. 3 and 5, the chain rail 18 is supported by a support frame 19 that extends in the front-rear direction below the lower chain rail 18B. The front end portion of the support frame 19 is attached to a bracket 19B that is rotatably attached to a support shaft 35B that is provided on the left suspension base 35 and extends in the vertical direction via a fixed plate 19A.

  The front portion of the support frame 19 extends rearwardly between the input shaft 10A of the feed chain hydraulic continuously variable transmission 10 and the output shaft 68B of the gear box 68, and then approximately 90 on the front side of the transmission motor 10C. Curved upward and extending upward. Thereafter, the front side of the counter shaft 71 extends upward, and is then bent by approximately 90 degrees below the guide 18D and extends toward the lower side of the lower chain rail 18B. Thus, when the support frame 19 is rotated about the support shaft 35B to open the chain rail 18 toward the outside of the machine body, the support frame 19, the feed chain hydraulic continuously variable transmission 10, the gear box 68, etc. Interference can be prevented.

  As shown in FIG. 3, the front tensioning wheel 17 </ b> B is provided in the vicinity of the front side of the horizontal shaft transmission cylinder 36, and the rear tensioning wheel 17 </ b> D is provided in the vicinity of the rear side of the front end portion of the waste transporting device 58. Yes. The drive sprocket 17 </ b> A is provided at the approximate center in the front-rear direction of the horizontal shaft transmission cylinder 36 and the counter shaft 71 and at the approximate center in the vertical direction of the counter shaft 71 and the support frame 19. Further, a tension arm 17C is provided between the front side extension wheel 17B and the drive sprocket 17A.

  As shown in FIG. 6, both side portions of the counter shaft 71 are supported by a pair of support members 80 erected forward at the center in the vertical direction of the front wall 50 </ b> A of the threshing device 3. The rotation of the engine E is transmitted to the counter shaft 71 via a pulley 71A supported on the right end portion of the counter shaft 71.

  The rotation of the counter shaft 71 is transmitted to the handling cylinder 55 via a pulley 71C and a belt 92 supported on the left side of the pulley 71A, and via a pulley 71D and a belt 93 supported on the left side of the counter shaft 71. It is transmitted to the input shaft 10A of the feed chain hydraulic continuously variable transmission 10, and is transmitted to the first tang 53A via the pulley 71E, the belt 94, etc. supported on the left side of the pulley 71D.

  As shown in FIG. 8, the rotation of the input shaft 10A of the feed chain hydraulic continuously variable transmission 10 is transmitted to the gear box 68 via the output shaft 10B, and is increased or decreased by the gear box 68 to the output shaft 68B. It is transmitted. The rotation of the output shaft 68B is transmitted to the drive shaft 68D via the coupling 68C, and the rotation of the drive shaft 68D is transmitted to the feed chain 12A via the drive sprocket 17A to rotate the feed chain 12A.

  The drive shaft 68D is supported by a fixed plate 19C attached to the right side of the support frame 19, and when the support frame 19 is rotated about the support shaft 35B toward the outside of the machine body, the output shaft 68B by the coupling 68C is used. And the connection of the drive shaft 68D is released, and the rotation of the feed chain 12B is stopped. As a result, the feed chain 12B, the guide 18D, etc. can be exchanged safely.

  As shown in FIG. 7, the cut box 68 is attached to the right side surface of the rear plate 11 </ b> B that is erected toward the front side at a portion biased to the lower side in the vertical direction of the front wall 50 </ b> A of the threshing device 3. The feed chain hydraulic continuously variable transmission 10 is attached to the left side of the carrier box 68, and the feed chain hydraulic continuously variable transmission 10 is provided behind the feed chain hydraulic continuously variable transmission 10. A transmission motor 10C connected to the trunnion shaft 10F is attached. Thereby, the space formed in the front side of the threshing apparatus 3 can be utilized effectively.

  The front portion of the rear plate 11B and the rear portion of the front plate 11A attached to the connection frame 35E of the left and right suspension bases 35 and 35 are loosely inserted in order to reduce vibrations generated when the traveling device 2 travels. Connected by pins. The rear portion of the rear plate 11B is attached to a bracket on the counter shaft 71 side by fastening means such as a bolt.

  The input shaft 10A and output shaft 10B of the feed chain hydraulic continuously variable transmission 10 and the output shaft 68B of the gear box 68 are provided in the same straight line in the vertical direction. Thereby, the space formed in the front side of the lower part of the threshing apparatus 3 can be used effectively. Further, the output shaft 68B of the gear box 68 is provided above the output shaft 10B of the feed chain hydraulic continuously variable transmission 10. Thereby, the overall length of the feed chain 12B can be shortened, and the feed chain 12B can be wound around the container around the front tensioning wheel 17B, the rear tensioning wheel 17D, and the drive sprocket 17D.

<Transmission mechanism>
Next, the transmission mechanism of this embodiment will be described. As shown in FIG. 9, the rotation of the engine E is caused by the first path A transmitted to the feed chain hydraulic continuously variable transmission 10 and the second path B transmitted to the traveling hydraulic continuously variable transmission 66. To the third path C transmitted to the gear box 39 on the front side of the Glen tank 5 and transmitted.

  In the first path A transmitted to the feed chain hydraulic continuously variable transmission 10, the rotation of the engine E is transmitted to the counter shaft 71 via the pulley 70A supported by the crankshaft 70, the belt 90, and the pulley 71A. It is transmitted. The first path A is provided with a threshing clutch 90 </ b> A for connecting and releasing the transmission downstream from the belt 90.

  The rotation of the counter shaft 71 is transmitted to the second processing drum 56 and the dust removal processing drum 57 via the pulley 71B, the belt 91 and the like, and is transmitted to the counter shaft 72 via the pulley 71C, the belt 92 and the pulley 72A, The rotation of the counter shaft 72 is transmitted to the handling cylinder 55 and the waste transporting device 58 via the gear box 73 and the handling cylinder shaft 55A.

  The rotation of the counter shaft 71 is transmitted to the input shaft 10A of the feed chain hydraulic continuously variable transmission 10 through the pulley 71D, the belt 93, and the pulley 10D, and the pulley 71E and the belt supported on the left side of the pulley 71D. The power is transmitted to the first tongue 53A, the first catch 53, the second catch 53C, the second catch 53D, the dust exhaust fan 48, the swing sorting device 52, and the waste cutter 59 via 94.

  The rotation of the input shaft 10 </ b> A is transmitted to the gear box 68 via the output shaft 10 </ b> B, and after being increased / decreased by a plurality of gears 68 </ b> A in the gear box 68, is transmitted to the output shaft 68 </ b> B supported by the gear box 68. The The gear box 68 is provided with a feed chain speed sensor 10S for measuring the rotational speed of the output shaft 10B of the feed chain hydraulic continuously variable transmission 10.

  The rotation of the output shaft 68B is transmitted to the drive shaft 68D through the coupling 68C, and is transmitted to the feed chain 12B through the drive sprocket 17A supported by the drive shaft 68D.

  A main transmission lever 16 for remotely operating the traveling hydraulic continuously variable transmission 66 is provided on the left side of the control unit 6, and a transmission 65 is provided on the left side of the main transmission lever 16 according to the lying state of the planted cereal. An auxiliary transmission lever 15 for switching the inner gear is provided. Further, on the rear side of the main transmission lever 16, there is provided a cutting lever 13 for operating connection and release of the cutting clutch 65F and the threshing clutch 90A. Further, a position sensor 13 </ b> S that detects the position of the cutting lever 13 is provided in the vicinity of the lower portion of the cutting lever 13. In addition, when the mowing lever 13 is turned to the front side in the side view, the output of the position sensor 13S is turned ON, and the mowing clutch 65F and the threshing clutch 90A are connected. On the other hand, when the mowing lever 13 rotates rearward and is in the connection release position, the output of the position sensor 13S is turned OFF, and the connection between the mowing clutch 65F and the threshing clutch 90A is released.

  When the cutting clutch 65F is connected, the rotation of the engine E is transmitted to the cutting device 4, and when the connection of the cutting clutch 65F is released, the rotation of the engine E is not transmitted to the cutting device 4. Similarly, when the threshing clutch 90A is connected, the rotation of the engine E is transmitted to the threshing device 3, and when the connection of the threshing clutch 90A is released, the rotation of the engine E is not transmitted to the threshing device 3.

  In the second path B transmitted to the traveling hydraulic continuously variable transmission 66, the rotation of the engine E is performed via the pulley 70B supported by the crankshaft 70, the belt 96, and the traveling hydraulic non-transmission via the pulley 66B. It is transmitted to the input shaft of the step transmission 66.

  The rotation of the input shaft of the traveling hydraulic continuously variable transmission 66 is transmitted to the transmission 65 via the output shaft of the traveling hydraulic continuously variable transmission 66 and is accelerated or decelerated by a plurality of gears in the transmission 65. The transmission 65 is transmitted to the traveling device 2 via an axle 65A and drive wheels 65B extending in the left-right direction.

  Further, the rotation of the input shaft of the traveling hydraulic continuously variable transmission 66 is transmitted to an output shaft 65C provided upstream of the axle 65A of the transmission 65, and the rotation of the output shaft 65C includes a pulley 65D and a belt. 65E is transmitted to the lateral transmission shaft 36B via the pulley 36B. The second path B is provided with a cutting clutch 65F that connects and disconnects the transmission downstream from the belt 65E.

  The rotation of the input shaft of the traveling hydraulic continuously variable transmission 66 is increased and decelerated by the traveling hydraulic continuously variable transmission 66 and then branched, one of which is transmitted to the traveling device 2 via the axle 65A of the transmission 65, Since the other is transmitted to the reaping device 4 via the lateral transmission shaft 36B, the traveling speed V of the traveling device 2 and the conveying speed VH of the conveying device 34 of the reaping device 4 can be set in a proportional relationship (synchronization). it can. That is, when the traveling speed V of the traveling device 2 is increased, the transport speed VH of the transporting device 34 of the reaping device 4 is also increased. When the traveling speed V of the traveling device 2 is decreased, the reaping device 4 The transport speed VH of the transport device 34 is also low. A traveling speed sensor 66S for measuring the rotational speed of the axle 65A is attached in the vicinity of the axle 65A, and a conveyance speed sensor 34S for measuring the rotational speed of the lateral transmission shaft 36B is attached in the vicinity of the lateral transmission shaft 36B. It has been.

  In the third path C, which is transmitted to the discharge spiral 39A of the Glen tank 5, the rotation of the engine E is performed at the lower part of the Glen tank 5 via the pulley 70C supported by the crankshaft 70, the belt 97, the gear box 39 and the like. Is transmitted to a discharge spiral 39A provided in The rotation of the discharge spiral 39 </ b> A is transmitted to an auger spiral 39 </ b> B housed in a discharge cylinder 7 provided behind the Glen tank 5. The third path C is provided with a discharge clutch 97A for connecting and releasing the transmission downstream from the belt 97.

<Control device>
As shown in FIG. 10, on the input side of the control device 85 provided in the control unit 6, there is a mode switch 6B for switching from normal mowing and threshing work to handling work, and between the holding rod 12A and the feed chain 12B. A stop switch 6D for stopping the rotation of the feed chain 12b due to foreign matter being caught, a start switch 6E for starting the engine E, a feed chain speed sensor 10S for detecting the speed VF of the feed chain 12B, a cutting clutch 65F and a threshing clutch The position sensor 13S for detecting the position of the cutting lever 13 for operating the connection and release of 90A, the transport speed sensor 34S for detecting the speed VH of the transport device 34 of the reaping device 4, and the barrel cover 40 are opened halfway. An opening / closing sensor 45S for detecting the state of the opening / closing motor 45 to be set, and a traveling speed for detecting the speed V of the traveling device 2 And capacitors 66S, and depth sensor 27S rowing threshing device 3, cutting height sensor 4S of the cutting device 4 is connected via a predetermined input interface circuit. The mode switch 6B and the stop switch 6D are provided in the front part of the left wall 40B of the handling cylinder cover 40, and the start switch 6E is provided in the control unit 6.

  On the other hand, on the output side, in the normal cutting mode, the transmission motor 10C that drives the trunnion shaft 10F of the feed chain hydraulic continuously variable transmission 10 is disengaged from the front pin 42A and the front short hook 43A. An opening / closing motor 45 that makes the trunk cover 40 half open, a cutting clutch 65F provided between the engine E and the transmission downstream cutting device 4, and an engine E and the transmission downstream threshing device 3 are provided. The threshing clutch 90A and the engine E are connected via a predetermined output interface circuit.

  16 and 17 show the structure of a grain supply adjusting device that adjusts the position of the tip of the grain supplied to the handling mouth 26B of the threshing device 3 by the stock transporting device 34A and the tip transporting device 34B. A gear case 84 for mounting the adjustment motor 83 is provided on the adjustment bracket 82 attached to the frame 81, and the operating arm 85 protruding from the gear case 84 and the rear end shaft 87 of the takeover chain are connected by a connecting rod 86. By controlling, the up-and-down interval of the supply chain and the take-over chain which delivers the grain to the feed chain 12B is changed, and the grain supply position is changed and adjusted.

  The grain supply control is performed as shown in FIG.

  If the cutting speed is confirmed in step S1 and the vehicle speed is 0.2 m / s or higher in step S2, the handling depth control output is determined in step S6 after the determinations in steps S3 to S5, and the handling is performed in step S. The digging depth sensor value is read, the culm length is estimated from the cutting height and the handling depth in step S7, the operating range is determined in step S11, and if it is the operating range in step S12, the handling depth is determined in step S13. Output control.

  For example, the cutting height of the cutting height sensor 4S and the handling depth of the handling depth sensor 27S are used to predict the total length of the cereal, and when the total length is longer than a certain value, the handling depth deeper than the predetermined handling depth. Regulate changes to prevent an increase in load.

  In addition, by changing the conveying angle of the waste transporting device 58 or adjusting the length of the holding straw of the waste transporting device 58 by predicting the total length of the cereals, the supply position of the waste to the waste cutting cutter 59 is determined. adjust.

DESCRIPTION OF SYMBOLS 3 Threshing device 4 Cutting device 12B Feed chain 26A Grain supply port 34A Stock transporter 34B Ear tip transport device 37 Cutting bracket 37a Shaft support 38 Hand-handling restricting member 61 Ear gripping member 62 Stock holding member

Claims (2)

From the stock transporter (34A), the feed chain (12B) provided in the threshing device (3) to the rear side of the machine body of the feed chain (12B). In the combine to take over the supply chain (34C) placed in the
A handling restriction member (38) extending from the terminal end side of the stock transporter (34A) toward the front part of the clamping rod (12A) facing the upper side of the feed chain (12B), It is possible to supply the harvested cereal rice cake by rotating upright around the pivot shaft (38b) provided at the end of the former conveying device (34A) to open the upper front of the feed chain (12B). To supply the harvested cereal rice cake by rotating the handle regulating member (38) overlying and bringing the tip of the hand handling regulating member (38) close to the front portion of the clamping rod (12A). It is configured to be switchable to a regulating state, and the tip side clamping rod (61) facing the upper side of the supply chain (34C) by the handle-controlling member (38) rotated and turned upside down is supplied to the supply chain (34C). Combine that is configured to be pressed to the side. The rotation support shaft portion (38b) of the handling control member (38) and the rotation support shaft portion (61b) of the tip side clamping rod (61) are connected to the end portion side of the stock transporter (34A). The combine according to claim 1, wherein the combine is pivotally supported on a shaft support portion (37a) provided on the shaft.

Images