JP2014087293A - Combine-harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the problems that stalks divided by a grass-dividing guide on an unreaped field side are fallen onto a raking-in reel and removed or threshed by operation of the raking-in reel, thereby making it possible to perform continuous operation smoothly for increased efficiency of harvesting work.SOLUTION: On one of left and right sides or both left and right sides of a raking-in reel (4) in a combine-harvester is provided a grass-dividing guide body (17) which stands from a further forward position than the raking-in reel (4) and extends to above the raking-in reel (4), bypassing a front of the raking-in reel (4) when viewed from an axial direction of a rotary-shaft (16) of the raking-in reel (4). The grass-dividing guide body (17) comprises: a first guide part (17a) which is provided inclining upward away from a grass-dividing tool (15 L); and a second guide part (17b) which is bent or curved backward from an upper end part of the first guide part (17a), passing above a rotation locus (K) of the raking-in reel (4), and extending to a further backward position than the rotary-shaft (16).

Description

  The present invention relates to a combine.

  Conventionally, in a combine equipped with a take-up reel, as a means for separating the entanglement between the stalk culm to be harvested and the unsheared stalk culm, the weed guide for separating the entangled stalk halves to the left and right is separated on the uncut side The thing of the structure equipped in the front of the weeding tool is known (for example, refer patent document 1).

JP-A-4-252110

  In the above-mentioned conventional configuration, the tip of the weed guide is far away from the front of the take-up reel. There was a problem that it fell to the front side of the take-up reel, which entangled with the reel and made continuous work impossible.

In order to solve the above problems, the present invention has taken the following technical means.
That is, the invention according to claim 1 is provided with a scraping reel (4) for scraping a crop stalk introduced between the left and right weeding tools (15L, 15R) toward the rear cutting blade device (5). In the general-purpose combiner provided, on the left or right side or both right and left sides of the take-up reel (4), as viewed from the axial direction of the rotation shaft (16) of the take-up reel (4), from the take-up reel (4) Also, the combine is characterized in that a weed guide body (17) is provided which stands up from the front position and bypasses the front side of the take-up reel (4) and reaches the upper portion of the take-up reel (4).

  The invention according to claim 2 is characterized in that the weeding guide body (17) is provided with a first guide part (17a) provided so as to incline forward from the weeding tool (15L), and the first guide part. Refracted or curved backward from the upper end of (17a), passed through a position above the rotation locus (K) of the take-up reel (4), and extended to a position behind the rotating shaft (16). The combine according to claim 1, further comprising two guide portions (17b).

  According to a third aspect of the present invention, the front part of the second guide part (17b) is inclined rearward and the rear part of the second guide part (17b) has a third guide part (17c) inclined rearwardly. The combine according to claim 2 is formed.

  The invention according to claim 4 is the invention according to claim 1 or claim 1, wherein the weed guide body (17) is provided with a cover plate (18) that covers a side surface of the scraping reel (4) on the front side of the rotating shaft (16). The combine according to Item 2 or Claim 3.

  The invention according to claim 5 is the combine according to claim 4, wherein the cover plate (18) is made of a material that can be seen through.

  According to the first aspect of the present invention, when viewed from the axial direction of the rotating shaft (16) of the take-up reel (4), the take-up reel ( Since the weed guide body (17) that stands up from the position ahead of 4) and bypasses the front side of the take-up reel (4) and reaches above the take-up reel (4) is provided. In addition, the stalks on the uncut area, which have been weeded by the weeding guide, are less likely to fall down on the take-up reel (4) and be pulled or shattered by the action of the take-up reel (4). , Continuous work can be performed smoothly and the efficiency of harvesting work is increased.

  According to the second aspect of the invention, in addition to the effect of the first aspect of the invention, the first guide portion (17a) provided to be inclined upward from the weeding tool (15L), and the first guide It bends or curves backward from the upper end of the part (17a), passes through a position above the rotation locus (K) of the scraping reel (4), and is behind the rotational axis (16) of the scraping reel (4) Since the second guide portion (17b) extending to the portion of the uncut cutting side pedicles pushed by the first guide portion (17a), the scraping reel (4) and the rotating shaft (16 ) Can be prevented by the second guide portion (17b), and the entanglement of the stems on the take-up reel (4) can be effectively prevented.

  According to the third aspect of the invention, in addition to the effect of the second aspect of the invention, the rearwardly inclined third guide portion (17c) is provided at the rear portion of the second upwardly inclined second guide portion (17b). ) Guides the tip of the stem stem, so that weed resistance is reduced and it is possible to guide backward smoothly.

  According to invention of Claim 4, in addition to the effect by the invention of Claim 1 or Claim 2 or Claim 3, in addition to the weed guide body (17), the rotating shaft (16) in the take-up reel (4). ) Since the cover plate (18) covering the front side surface is provided, it is possible to prevent the uncut side pedicles pushed by the first guide part (17a) from entering the scraping reel (4) side, The uncut side pedicle can be quickly guided backward.

  According to the invention described in claim 5, in addition to the effect of the invention described in any one of claims 1 to 4, since the uncut side can be seen through from the cover plate (18), the efficiency of the harvesting work is achieved. Is further increased.

Side view of general purpose combine Expanded side view of the main part Front view of the main part Side view of the main part of a general purpose combine Rear view of the main part Side view of the main part of a general purpose combine Rear view of the main part

An embodiment of the present invention will be described with reference to the drawings.
FIG. 1 shows a general-purpose combine that harvests and harvests crop stalks such as paddy rice and rapeseed that are raised on the field while self-propelled. On the front side, a table 6 includes a scraping reel 4 having a scraping tine 3 for scraping the crop stalks backward, a clipper-type cutting blade device 5 for cutting the stalks after scraping, and a stalk after cutting. A pre-cutting processing unit 8 including a scraping auger 7 or the like that is scraped upward is provided. The take-up reel 4 is configured to move up and down depending on the type of crop or the length of the crop, and can be moved and adjusted in the front-rear direction.

  In the feeder house 10 equipped from the left side to the rear side of the pre-cutting processing unit 8, the feed conveyor inherits the crop stalks from the pre-cutting processing unit 8, lifts and conveys it to the rear and feeds it into the threshing unit 9. 11 is equipped. A cabin 12 is provided on the right side of the feeder house 10 so as to surround a driving operation unit including a driver's seat and an operation box, and a Glen tank 13 for temporarily storing a crop is installed behind the cabin 12. ing.

In the pre-cutting processing unit 8, weeding tools 15 </ b> L and 15 </ b> R are provided in front of the side frame plates 14 and 14 installed at the left and right ends of the table 6.
On the left weeding tool 15L on the uncut side, the pedicles to be cut and the uncut side pedicles from the front position of the scraping reel 4 to near the upper part of the rotating shaft 16 of the scraping reel. A weed guide rod 17 is provided to separate the left and right.

  The weed guide rod 17 has a first guide portion 17a that is inclined forward and upward from the tip portion of the uncut-weed weeding tool 16L at the front position of the take-up reel 4 when viewed from the axial direction of the rotary shaft 16. From the front part of the second guide part 17b that is refracted or curved from the upper end of the first guide part 17a and extends backward while bypassing the top of the reel outer track L It is bent. And from the rear end of the front part of this 2nd guide part 17b, the 3rd guide part 17c which inclines toward back downward is formed continuously as a rear part of the 2nd guide part 17b, and this 2nd guide part The front part of 17b and the 3rd guide part show the character type to side view.

  The ground height of the scraping reel 4 varies depending on the type of crops and the like, but this reel height setting is the lowest position where the frequency of use is high (the reel is at the lowest position in rapeseed and pigeon harvesting operations). ) To the standard raising position, at least the upper end of the rearward inclined guide portion 17b of the weed guide rod 17 is set to be positioned above the reel outer peripheral locus (rotation locus) K of the take-up reel 4. It is desirable to keep it.

  In addition, the lower end side of the first ascending first guide portion 17a of the weed guide rod 17 is configured to maintain the inclination angle θ so as to be higher on the front side than the ground contact surface. According to this, even if the ground thread is cut, the crop can be led backward without resistance.

  A cover plate 18 is provided on the inner side of the front part of the first guide part 17a and the second guide part 17b, each of which has a U-shape when viewed from the side. Yes. The cover plate 18 is made of a resin material and is formed of a transparent body that can be seen through.

  A portion of the weed guide rod 17 that is bent or curved from the first guide portion 17 a to the second guide portion 17 b and the reel support arm 19 are connected by a connecting bar 20. According to this, by supporting the bent or curved portion of the tall weed guide rod 17, the vibration of the weed guide rod 17 is reduced, and the durability is improved.

The shaft core portion of the take-up reel 4 is provided with a safety cover 22 that covers the transmission mechanism 21 to the take-up reel 4 and extends rearward so as to prevent both uncut side pedicles from entering and guide. ing.
The embodiment shown in FIGS. 4 and 5 has a configuration in which a cooling condenser 25 is disposed behind a high lift tank 26 that can be raised and lowered in a general-purpose combine having an air conditioner. In the case where a condenser is provided in front of the radiator in the radiator compartment below the driver's seat, the radiator is affected by the heat of the condenser and the air volume from the outside air is reduced, which causes overheating. By installing the above the high lift tank, it is difficult to be affected by dust and can prevent clogging of the dust-proof net. Further, since the condenser is not on the front surface of the radiator, the cooling effect of the radiator is improved. Moreover, since it is installed behind the tank, it is protected from an obstacle from the outside, and the cooling effect is improved by the change of the air flow caused by the tank rising.

Further, the condenser cooling forward / reverse fan 27 is desirably arranged on the high lift tank 26 side.
By providing an inclined cover 28 that is inclined below the fuselage 25 toward the lower rear side of the fuselage, falling dust flows out of the machine and dust accumulation can be prevented.

A capacitor support frame 30 that receives a capacitor from below from the tank support frame 29 is provided.
In the embodiment shown in FIGS. 6 and 7, the condenser 25 is supported by a connection frame 33 that connects the high lift tank support frame 31 and the traveling frame 32, and the connection frame 33 has a ladder configuration.

  According to the said structure, the rigidity of a high lift tank support | pillar improves by providing the connection frame which connects a high lift tank support frame and a driving | running | working frame, and the raising / lowering operation | movement of a tank is stabilized. Moreover, since the connection frame is a ladder, it can be easily raised onto the tank.

DESCRIPTION OF SYMBOLS 3 Stake tine 4 Stake reel 5 Cutting blade device 15 Weeding tool 16 Reel rotating shaft 17 Weed guide rod 17a 1st guide part 17b 2nd guide part 17c 3rd guide part 18 Cover plate K Reel outer periphery rotation locus (rotation) Trajectory)

Claims (5)

  In the general-purpose combine provided with a scraping reel (4) for scraping a crop stalk introduced between the right and left weeding tools (15L, 15R) toward the rear cutting blade device (5), the scraping reel As viewed from the axial direction of the rotating shaft (16) of the take-up reel (4) on one of the left and right sides of (4), stand up from the position in front of the take-up reel (4), A combine characterized in that a weed guide body (17) is provided which bypasses the front side of the reel (4) and reaches the upper side of the scraping reel (4).   The weeding guide body (17) is provided with a first guide part (17a) that is inclined upward from the weeding tool (15L) and from the upper end part of the first guide part (17a) to the rear. A second guide portion (17b) that is bent or curved and passes through a position above the rotation locus (K) of the take-up reel (4) and extends to a position behind the rotation shaft (16). The combine according to claim 1.   The front part of the second guide part (17b) is inclined rearward and the rear part of the second guide part (17b) is formed with a third guide part (17c) inclined rearwardly. Combine.   The said weeding guide body (17) was provided with the cover board (18) which covers the side surface ahead rather than the rotating shaft (16) in a pick-up reel (4). Combine.   The combine according to claim 4, wherein the cover plate (18) is made of a material that can be seen through.

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