JP4802638B2 - Harvesting machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a harvester solving the problem that, conventionally, upper stem parts reaped with a first cutting blade at the front side upper part of a harvester are fed together with ear parts into a threshing section, but intermediate stems reaped with a second cutting blade at a position below behind of the first cutting blade are left to stand on-site in the farm. <P>SOLUTION: The harvester includes a guide conveying apparatus having multiple guide conveying paths into which standing stems in the farm are introduced and through which they are guided rearward, a first cutting blade for cutting off upper stem parts after conveyed, a raking-in auger functioning to receive the resulting upper stem parts and raking-in them rearward, a feed conveyor functioning to receive the resultant upper stem parts and subject them to lifting conveyance to a threshing section located behind, and a second cutting blade set below behind the first cutting blade and the raking-in auger and functioning to make a cutting-off treatment of the foot side of the stems. In this harvester, a stem traverse feed means for making a traverse feed of stems after cut off with the first cutting blade toward the ground where reaping efforts have already been done is provided in front of the raking-in auger. <P>COPYRIGHT: (C)2007,JPO&amp;INPIT

Description

  The present invention relates to a harvesting machine that performs threshing processing while cutting a raised stalk ridge in a field.

2. Description of the Related Art Conventionally, there is known a two-stage harvesting combine that harvests a head portion at a high position on the upper portion and mows a stock source side at a lower position on the rear side (see, for example, Patent Document 1).
Japanese Patent Laid-Open No. 2-195817

  In such a prior art, the upper portion of the stem that has been cut by the first cutting blade at the upper front is supplied into the threshing portion together with the ear, but is cut by the second cutting blade at a position lower rearward than the first cutting blade. The middle part of the stalks is left in the field at the cut-off position. According to this, there is no escape space for the stalks cut by the second cutting blade, so that there is a problem that the stalks accumulate in the same place and cause clogging. In addition, the neglected cutting stems hinder the work in the next process, and there is a problem that the workability is deteriorated.

  The object of the present invention is to eliminate the above-mentioned problems.

The present invention has taken the following technical means in order to solve the above-described problems.
That is, the inventions of claim 1, leading conveyance device having a leading conveyance path of multiple (15) to induce transport backward by introducing field napped stem culm and (9), said induction conveyor device (9 cutting the top of Kuki稈after induction conveyor by) a first cutting blade (11), with the first cutting blade in the cut to accept the stem稈上portion scraping auger burn them take-(12), said scraping A feed conveyor (13) that receives the upper part of the stalk scraped by the auger (12) and lifts and conveys it to the rear threshing part (4), the first cutting blade (11), and the scraping auger (12 ) And a second cutting blade (14) that cuts the stem side of the stem and the upper side of the stump auger (12) at the front side of the first cutting blade (11). stems稈横feed means (20) for lateral conveyance toward the Kuki稈cut into already caliciviridae side provided on the first cutting blade (11) And wherein a top of Kuki稈the top of the flower stipules is disconnected, and configured to traversing toward the already calicivirus side from the terminal end of the leading conveyance path by stem稈横feed means (20) (15) Te A harvesting machine.

Since the stems after cutting the upper part (flower buds) are laterally fed by the lateral feed means (20) from the terminal end of the guided transport path (15) toward the already-cut area, the terminal end of the guided transport path (15) In this way, stalks are prevented from staying, and continuous mowing is continued smoothly. In addition, since the stalks are always sent to the already-cut area, not to the uncut area, there is no hindrance to the cutting work in the next stroke.

Inventions described in claim 2 is a front Kikuki稈横feed means (20), a transverse feed spiral that rotates Ri parallel horizontal axes Shinkai and the axis of scraping auger (12) (22), off and transmitted to Idokonbea from (13) side drive the first cutting blade (11) cutting blade drive shaft (32), is transmitted to該刈cutter drive shaft (32) or al before Kiyoko feed helix (22) the harvesting machine according to claim 1, wherein the configuration and the.

  Since the stalk lateral feed spiral (22) is driven from the cutting blade drive shaft (32), it can be configured with the shortest transmission path, and can be implemented simply and inexpensively. In addition, the transmission path can be centrally arranged on one side portion of the cutting part, so that maintainability is improved.

According to the invention 請 Motomeko 1 wherein, Kuki稈top (torus) after cutting, toward the already calicivirus side laterally from the terminal end of the leading conveyance path (15) by a transverse feed means (20) Horizontal Since it is sent, the staying of the stems at the end portion of the guided conveyance path (15) is avoided, and the continuous cutting operation can be performed smoothly. In addition, the stalks are always sent to the already-cut area rather than to the uncut area, so that there is no hindrance to the cutting operation in the next stroke.

According to inventions of 請 Motomeko 2, despite those the effects of the invention described in claim 1, since driving the cutting blade drive shaft (32) from the stem稈横feed helix (22), the shortest transmission path It can be configured with a simple and inexpensive implementation. In addition, the transmission path can be centrally arranged on one side portion of the cutting unit, so that the maintainability can be improved.

Embodiments of the present invention will be specifically described below with reference to the drawings.
First, a configuration example of a general purpose combine will be described as one embodiment.
First, the configuration of the general-purpose combine shown in FIGS.

  On the vehicle body 2 having the traveling crawler 1, a mowing part 3 that can be moved up and down is mounted on the front part, and a threshing type threshing part 4 is mounted on the rear part. A driving operation unit 5 and a driver's seat 6 are installed on the side of the feeder house of the mowing unit 3, and a Glen tank 7 is installed behind the driving operation unit 5.

  The cutting part 3 receives a scraping reel 10 that rakes up the raised sunflower stalk, a first cutting blade 11 that cuts the top of the stalk, and an upper part of the stalk that has been cut by the first cutting blade 11. The feed auger 12 that receives the upper part of the shoots scraped by the scraper auger 12 and lifts and conveys it to the rear threshing unit 4; It is set as the structure provided with the 2nd cutting blade 14 which is installed in the back lower part of the cutting blade 11 and the taking-in auger 12, and cuts the stock side of the stalk.

  In front of the first cutting blade 11, there is a guide transport device 9 having a plurality of guide transport paths 15 for introducing a raised hairbrush in the field between the left and right weeding tools 8, 8 to guide and transport backward. The front portion is located obliquely so as to be located in the vicinity of the first cutting blade 11 disposed at the front lower side and the rear portion disposed at the rear upper side. The guide transport device 9 is composed of a plurality of transport endless belts 9a to 9e, each of which is wound around the front and rear horizontal axes 16a (transport drive shaft) and 16b (transport driven shaft) to form the guide transport path 15. The plurality of sunflower stalks can be guided and conveyed by the conveying lugs 17 arranged at predetermined intervals.

  In addition, the guide conveyance device 9 is configured such that the start end side moves up and down with the conveyance drive shaft 16a at the end side as a fulcrum, and in the embodiment, the sunflower flower portion can be carried on the upper surface of the endless belt. In addition, a holding guide member 18a for guiding the pedicles is provided in the guide conveyance path 15 between the endless belts so as to be integrated with the guide rail 18b of the endless belt. According to this, while supporting the upper floret side with the endless belt, the lower pedicle is guided to the fixed width by the holding guide member 18a, so that the posture of the pedicle becomes difficult to be disturbed, and stable conveying performance is obtained. Further, the guide conveyance path width D between the holding guide members 18a, 18a, which is on the non-acting side of the endless belts 9a to 9e and guides the stems to the first cutting blade 11, is defined as the cutting blade of the first cutting blade 11. By making it narrower than between the fingers 24, 24, the stems below the flower buds can be reliably fed between the fingers of the first cutting blade. Further, the conveyance roller 23 on the conveyance end side is also configured to be accommodated within one pitch of the cutting blade fingers 24, 24, so that an adjacent conveyance path can be secured widely, and clogging of florets is reduced.

  At the front end portion of each transport endless belt 9a-9e, there is provided a weed tub 25 having a tip tapered so as to sandwich the rotating portion of the endless belt from the left and right outer sides, and connected and held on both sides of the transport guide rail 18b. (See FIG. 5). Each weed culm can reliably guide the weeds even in various directions into the guided transport path and is connected to the transport guide rail, so that the strength of the rail itself can be increased. At the front side position of the scraping auger 12, a stalk lateral feed means 20 is provided for laterally transporting the stalk after cutting with the first cutting blade 11 toward the already-cut ground. The stalk lateral feed means 20 is composed of a spiral shaft 21 and a lateral feed spiral 22, and is bearing in a lateral direction parallel to the auger 12 axis below the first cutting blade 11 and below the front portion of the collection table 19. The second cutting blade 14 is disposed at a front upper position. Therefore, the pedicle lateral feed spiral 22 is used to transfer the pedicles from which the upper florets have been cut while being conveyed backward in the guided conveyance path 15 of the pedicle guiding and conveying device 9 to the side opposite to the uncut ground side. By laterally feeding toward the cutting area, the sunflower stalk can be prevented from staying in one place, and continuous cutting operations can be performed smoothly. In addition, since the stalks that are fed sideways are sent to the already-cut area, which is far away from the uncut area on the uncut area, it does not get in the way when cutting in the next stroke. Can be increased.

  Further, in the transverse feed spiral 22, as shown in FIGS. 7 and 8, an inverted L-shaped spiral blade is formed so that a locking projection 22 b is formed on the outer periphery of the spiral blade 22 a on the feed surface side. As a result of the construction, the spiral locking projection comes to bite into the pedicle, the feeding effect is accurately exhibited, and the cutting action of the pedicle can be performed smoothly.

  The flower part of the upper part of the sunflower stalk received on the collection table 19 is laterally fed to one side of the uncut area by the spiral part 12a of the picking auger 12, and is then swept backward by the picking finger 12b. It is inherited by the start end of the feed conveyor 13.

  Next, the transmission configuration of the cutting unit will be described. The cutting input shaft 30 to which power is transmitted from the engine E is linked to the feed conveyor 13 so that the conveyor is rotationally driven. The cutting blade drive shaft 32 of the first cutting blade 11 is interlocked to be rotationally driven by the belt 33 from the cutting input shaft 30 through the counter shaft 31, and the spiral shaft 21 is connected to the belt from the cutting blade drive shaft 32. 34 is configured to be driven via 34. Further, the transport drive shaft 16a to the guide transport device 9 is rotationally driven from the counter shaft 31 through the second counter shaft 35, the belt 36, etc., and the take-in auger 12 shaft is driven from the counter shaft 31 through the belt 37. The take-up reel 10 axis is driven via the first and second belts 38 and 39. And the transmission apparatus to these each part is set as the structure arrange | positioned intensively on the cutting side board of the cutting part one side.

In the threshing section 4, a handling cylinder 47 is installed in the handling chamber 46 in the front-rear direction, a receiving net 48 is stretched on the lower wall of the handling chamber, and the sorting is provided with the Kara 49 and the swing sorting device below the handling chamber. The room is provided.
In FIG. 10, a second cutting blade (disk cutting blade) 14 is a cutting blade attached via a swing link 51 to a second more frame 50 pivotally attached to the front portion of the vehicle body 2 at the rear end side. It is mounted on a support base 52 and driven by a drive motor 53. The lifting rod 54 is provided with a stopper 55 that engages from the lower side at an intermediate portion of the second more frame 50, its lower end portion is connected to the cutting support base 52 in a jointable state, and the upper portion is moved up and down. The rod 56 is connected to the long hole 57 and the joining pin 58 so as to be suspended.

  The upper part of the gas spring 60 is connected to the rotating arm 63 connected to the lifting motor 61 via the reduction gear mechanism 62, and the lower part is connected to the rear end of the lifting operation rod 64. Thus, when the lifting / lowering motor 61 is driven in the forward rotation direction, the second cutting blade 14 has a reduction gear mechanism 62, a rotating arm 63, a gas spring 60, a lifting / lowering rod 56, a stopper 55, a second more frame 50, and a cutting support. The base 52 operates integrally and rises to reach the storage position. And the 2nd cutting blade 14 can be lowered | hung to a working position, if the raising / lowering motor 61 is driven to a reverse rotation direction.

  In FIG. 11 and FIG. 12, a weed that is bent and formed in a substantially L-shaped side view from the vicinity of the uncut-side weeding tool 8 (left side) to the one side of the uncut-cutting side of the cutting unit 3. A guide rod 26 is provided so as to guide the uncut-side stem rod toward the outside of the fuselage. Therefore, this weed guide rod can push the uncut stem culm that falls down on the side of the machine body outward without being caught by the machine body, so that the cutting operation can be carried out smoothly and continuous work can be performed. Further, between the right and left weeding tools 8 and 8 and the weed stubs 25 and 25 of the transport endless bands 9a and 9e, the stalks are distributed and guided to the outside of the machine body and the guide transport path. Guide rods 27 and 27 are provided.

  Further, in FIGS. 11 to 13, the guiding and conveying device 9 is arranged so that the terminal portion thereof faces the upper side of the collecting table 19, and the front edge of the collecting table 19 and the conveying endless bands 9 a to 9 e are arranged. Between the lower non-acting sides, a closing plate 28 is erected, and an anti-winding plate 29 is suspended from the endless belt side so as to cover the closing plate 28. Even in the configuration in which the guide conveyance device is configured to move up and down with the end side as a fulcrum, the above configuration can be expected to smoothly guide and drop the florets into the table, and the wrapping of stems and the like can be avoided. In addition to the above configuration, as shown in FIG. 14, a rubber plate 45 may be provided so as to overlap the closing plate 28 from the end of each endless band over the entire width between the transport endless bands 9a to 9e. For example, even if the gap between the conveyance end and the closing plate is changed by swinging the guide transfer device up and down, the rubber-like plate material follows and closes the gap entirely, so that not only the flower buds but also the grains are shattered Seeds are also reliably placed on the table, greatly reducing head loss.

  15 and 16, by providing the stalk guide rod 66 from the lower front side of the collection table 19 toward the second cutting blade 14, the stalk can be reliably guided and guided toward the cutting blade, and the cutting action is achieved. Can be done smoothly.

  In addition, the second mower frame 50 that supports the disc cutting blade 14 is provided with a guide plate 67 that guides the pedicle from the front of the cutting blade to the top of the cutting blade so as to cover the frame 50 and the drive motor 53. . According to this, since the pedicle is guided to the cutting blade, the cutting action is surely performed, the pedicle is not caught on the frame or the drive motor, the flow of the pedicle becomes smooth, clogging, etc. Trouble is solved.

  17 and 18 differs from the embodiment of FIGS. 15 and 16 in that the rear end extends to the cutting blade 14 and crosses, but the cutting effect is more effective. Enhanced. Further, the guide plate 67 in FIGS. 17 and 18 is different in that the rear end side is inclined toward the center side of the cutting blade 14 whereas the guide plate 67 is parallel to the front-rear direction in FIGS. In any of the embodiments, the cutting action can be effectively performed.

  In the embodiment shown in FIGS. 19 and 20, the introduction range of the pedicles is expanded by providing a guide body 68 that spreads laterally outward toward the distal end side in a plan view at the distal end (front end) portion of the second more frame 50, The stem stem introduced from the front avoids interference with the second more frame, and is smoothly guided to the cutting blade side, so that uncut cutting can be prevented in advance.

  For example, when the threshing clutch or the mowing clutch is “OFF” and the reverse switch “ON”, the second cutting blade 14 that can be moved up and down is in the uppermost position storage state in which the second cutting blade rises to the non-working position. If the interlocking configuration is used, the second cutting blade is housed in the uppermost position during non-cutting operations or when moving backward, so that the cutting blade is not damaged due to contact with an obstacle.

  Further, as shown in FIGS. 21 and 22, a pedicle detection sensor 70 is provided in the guided conveyance path of the pedicle guiding and conveying device 9 of the cutting unit, and the second chopping detection result of the pedicle detection sensor determines the second cutting When the blade 14 is lowered to the cutting work position and the introduced pedicle is not detected for a certain period of time, the second cutting blade is configured to automatically move up to prevent the cutting blade from being damaged due to the rush. Can do. In this example, when the sensor 70 detects the introduction of the stem, based on the detection result, the lifting motor 61 is driven in the reverse direction to lower the cutting blade. Based on the result, the lifting motor 61 is driven in the forward rotation direction to raise the cutting blade.

  Further, in the embodiment shown in FIG. 23, a plurality of stalk guide transporting devices 9 that are higher in the rear from the front are provided in the cutting part, and the upper part of the shoots that are provided on the terminal side and that are guided and transported are cut. In the one provided with one cutting blade 11, the culm guiding and conveying device 9 including a plurality of conveying endless belts (9 a to 9 e) is divided into a lateral axis (conveying drive shaft) 16 a on the end side and a mounting rail in the middle. 71 is configured to be slidable horizontally in the horizontal direction. Even crops lying on the heel or lying down and deviating from the center of the cocoon can be reliably taken in by sliding the entire guiding and conveying section to the left and right, and the adaptability can be expanded.

  Furthermore, in the embodiment shown in FIG. 24, the entire guide transport unit 9 is divided into two sets on the left and right sides so as to be composed of one set of transport endless bands 9a to 9e and one set of transport endless bands 9e to 9h. Is configured to slide integrally in the left-right direction. According to this, it is possible to expand the adaptability as compared with the embodiment of FIG. 23, and by efficiently sliding the left and right sides of the two sets of the transporting unit according to the two sets, the two sets can be efficiently cut off. it can.

Side view of the main part of a general purpose combine Top view of the main part Front view of the main part Side view of guided conveyance device Front view of the main part Cut front view of the main part Front view of transverse spiral Cut front view of the main part Transmission route diagram of each part of the combine Perspective view of lifting mechanism of second cutting blade Side view of main part of general combine Top view of the main part Perspective view of the main part Perspective view of the main part Side view of the main part of the combine Top view of the main part of the combine Side view of the main part (second cutting blade) Top view of the main part Plan view of the second cutting blade device Side view Side view of the main part of the combine Top view of the main part Plan view of the main part of the cutting part Top view of the main part

9 Guided conveying device 11 First cutting blade 12 Brake auger 13 Feed conveyor 14 Second cutting blade
15- guide transport path 20 stalk traverse lateral feed means 22 lateral feed spiral 32

Claims (2)

An induction conveying device having a leading conveyance path of multiple (15) to induce transport backward by introducing field napped stem culm (9), the upper portion of Kuki稈after induction conveyor by said induction conveyor device (9) a first cutting blade for cutting (11), with the first cutting blade in the cut to accept the stem稈上portion scraping auger burn them take-(12), said scraping Oh - was Kakikoma by gas (12) A feed conveyor (13) that accepts the upper part of the stem and lifts and conveys it to the rear threshing part (4), and the rear of the first cutting blade (11) and the take-up auger (12). And a second cutting blade (14) for cutting the stock side, and at the front side position of the scraping auger (12), a pedicle cut from the top with the first cutting blade (11) directed stem稈横feed means (20) for lateral conveyance provided, of Kuki稈that the first cutting blade by (11) the top of the flower stipules are cut The parts, harvester, characterized in that a configuration in which transverse feed toward the already calicivirus side from the terminal end of the leading conveyance path (15) by stem稈横feed means (20). Said stem稈横feed means (20), a transverse feed helix (22) which rotates Ri parallel horizontal axes Shinkai and the axis of scraping auger (12), first cutting the full Idokonbea (13) side and transmitted to the cutter blade driving shaft you drive the blade (11) (32), characterized by being configured to transmission to該刈cutter drive shaft (32) or al before Kiyoko feed helix (22) according to Item 1. Harvesting machine.

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