JP2010252693A - Reaping unit of combined harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve the efficiency of reaping work by a combined harvester by surely inducing/guiding lie-down cereal culms into a raising passage of a raising case on an already reaped ground side, while raising the lie-down cereal culms. <P>SOLUTION: A reaping unit of the combined harvester is provided with a first grass-dividing guide (11) for pushing-up and guiding the cereal culms after being divided from a grass-dividing position of a grass-dividing body (7R) positioning on the already reaped ground side along to the outside unit of a standing-up case (8R) positioning on the already reaped ground side, upward from the front surface of the standing-up case (8R), and a second grass-dividing guide (12) for inducing and guiding the cereal culms after being divided from the grass-dividing position of the grass-dividing body (7R) positioning on the already reaped ground side toward the inside of the standing-up passage (K) of the standing-up case (8R) positioning on the already reaped ground side. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a combine harvester.

  Conventionally, for example, in Patent Document 1, a bar weed guide is disposed over the entire length of the raising case at the front portion of the raising case, and the upper portion of the weed guide is raised to protrude forward from the case. A weeding device having a configuration provided in this manner is disclosed.

Japanese Utility Model Publication No. 63-134634

  In the above-mentioned conventional weeding guide, the cereals that are raised toward the outer side of the raised case on the cut-mow side are raised and do not have sufficient induction action to the area, causing the cereals to rise. There was a problem of entangled with the front of the case and causing the occurrence of threshing or cutting of ears.

In order to solve the above problems, the present invention has taken the following technical means.
That is, a plurality of weed bodies (7) for weeding napped cereals to the left and right, a plurality of raising devices (8) for raising the cereals after weeding, and a harvesting device (9) for harvesting the cereals after raising Of the plurality of weed bodies (7) along the outer side of the raising case (8R) located on the side of the cut grass from the position of the weed body (7R) located on the side of the cut ground A first weed guide (11) that raises and guides the cereals after weeding upward from the front surface of the case (8R), and a weed of the weed body (7R) located on the already-cut lands side Providing a second weeding guide (12) for guiding and guiding the cereals after weeding into the raising path (K) inside the raising case (8R) located on the already-cut ground side from the position A combine harvester characterized by

  If the cereal buds after weeding by the weeded body (7R) on the side of the already-cutted land are lying down outside the front surface of the case (8R) on the side of the already-cutted territory, First, it is guided to be lifted upward in the direction of standing upwards under the action of the first weed guide (11), and further, the raising case on the already cut land side under the action of the second weed guide (12). (8R) is guided and guided toward the inner raising path (K) from the front side.

  Therefore, even if it is a fallen cereal grain toward the already-cut ground, the first weed guide (11) and the second weed guide (12) act effectively and are pushed up and guided to the upright state. Thus, it is surely guided smoothly into the route.

  According to the present invention, even if the cereal grain after weeding by the weed body (7R) on the already-cut land is lying down toward the already-cut ground side, the first weed guide (11) and While being raised by the action of the second weed guide (12), it is surely and smoothly guided and guided into the raising path of the raising case (8R) on the already-cutted land side, such as threshing or cutting of ears The generation of weeds can be improved, and the efficiency of the cutting work by the combine can be improved.

Combine side view Combine front view Side view of a combine with a weed guide of another embodiment Same as above Side view of partially broken combine of another embodiment The principal part top view in another Example of a combine cutting part Top view of the main part Side view of the main part Side view of the main part of the cutting blade mechanism Top view of the cutting blade mechanism Exploded plan view of the main part Plan view of the main part of the cutting blade mechanism Plan view of the main part of the cutting blade mechanism Side view of the main part

An embodiment of the present invention will be described with reference to the drawings.
FIG. 1 shows a side view of a combine, and FIG. 2 shows a front view thereof. This traveling vehicle body 1 includes a pair of left and right traveling crawlers 2 and 2 and is located in front of a threshing device 3 mounted on the rear part. The reaping part 4 is installed at the side, and the side part of the reaping part 4 is provided with a cabin 5 that covers a driving operation part such as a driver's seat or an operation box. Further, threshing grains are temporarily placed behind the cabin 5. Equipped with a Glen tank 6 for storage.

  The mowing unit 4 is divided into 7, 7, 7,. 7), a reaping device 8, 8, 8,..., A reaping device 9 that harvests the cereal after raising, and a conveying device 10 that scrapes and conveys the reaping after the harvesting.

  A pulling case located on the cutting ground side from the back position of the right cutting body 7R located on the cut ground side between the front cutting ground side weed body and the rear cutting ground side pulling device. A first weed guide 11 made of a bar material that raises and guides the cereals after weeding along the outer side of the 8R upward from the front surface of the case 8R, and from the back position of the right weed body 7R. A second weeding guide 12 made of a bar material that guides and guides in the raising path K inside the cutland side raising case 8R is disposed. These first and second weed guides 11 and 12 work effectively when the raised cereals are lying down toward the outside of the already-cut ground, and the first weed guide 11 is in a lying state. The cereals are gradually pushed up and guided in the direction of rising, and are further guided by the second weeding guide 12 to the already-cut ground side and to the inside of the raising path K inside the case 8R. ing.

  Further, the right weed body 7R is pivotally attached around a vertical axis 14 in the vertical direction provided in the middle of the weed support frame 13 so that the tip side turns toward the left inner side or the right outer side. It is configured so that it can be turned left and right by a remote control lever. A pivot 15 is provided at the upper end of the first and second weed guides 11 and 12 in accordance with the right and left rotatable structure of the right weed body 7R.

In the embodiment shown in FIGS. 3 and 4, the second weed guide 12 is constituted by two weed guides 12a and 12b so that the weed guide operation can be performed more smoothly.
The combine shown in FIG. 5 is provided with a tilt angle sensor 16 that detects the tilt angle in the longitudinal direction of the vehicle body, a mode switch 17 that can be switched between the normal mode and the urban area mode, and the exhaust straw cutter unit 18 is cut. An opening / closing means 20 of the diffusion cover 19 for diffusing and releasing the straw is provided, and a rotation sensor 22 is provided in the tang 21. When the mode switch 17 is switched to the urban area mode, the inclination angle sensor 16 detects the pruning angle from the cocoon, and the diffusion cover opening / closing means 20 controls the diffusion cover 19 to remain closed. Further, the rotational speed of the tang 21 is lowered to control to reduce the wind pressure. When such a control elapses for a certain period of time, the diffusion cover 19 returns to the normal diffusion release state, and the rotation speed of the red pepper 21 also returns to the rated rotation speed. According to such control, when pruning from a fence in a residential area or the like, it is possible to prevent the cutting straw from being scattered on the road only by switching to the urban area mode, and it is possible to prevent complaints from neighboring residents.

  Moreover, in the said combine, when the inclination angle sensor 16 detects the fixed inclination of this machine at the time of entering the mowing and threshing clutch, it controls to move the handling depth adjusting chain 23 in the deepest handling direction. When cutting directly from the heel, the cutting height is high, and thus the adaptability of the short heel is improved by the movement control of the adjustment chain 23 in the deep handling direction. It is possible to prevent clogging due to insufficient followability of the handling depth adjustment chain when trimming from a steep angle, which has occurred in the past, and clogging due to poor conveyance. It should be noted that the handling depth adjustment chain can be controlled to move in the depth handling direction in proportion to the degree of tilt of the machine based on the detection of the tilt angle sensor.

The embodiment shown in FIGS. 6 to 8 will be described.
The scraping and transporting device 26 that scrapes and transports the cereal after being lifted includes a scraping star wheel 26a, a scraping and transporting chain 26b, a scraping belt 26c, and the like.

  The cereal merging and conveying device 27 includes a stock-side holding and conveying device 28 and a tip-side locking and conveying device 29, and is arranged in a square shape in a plan view, and the left-side stock-source-side holding and conveying device 28L. And the tip side locking and conveying device 29L is a configuration that takes over and transports the harvested cereal rice cakes for the two strips after the scrambling conveyance, and the right stock side holding and conveying device 28R and the tip side locking and conveying device 29R are It is the structure which takes over and conveys the harvested cereals for a total of 4 stubs for 2 s and 2 s after transport.

A handling depth adjusting chain 23 for adjusting the handling depth and an up-and-down two-stage lifting conveying device 10 are provided between the conveying terminal portions of the left and right cereal mash confluence conveying devices 27L and 27R and the threshing portion 3. ing.
Then, below the terminal end side of the left tip side locking and conveying device 29L, lower tip locking and conveying means (device) 30 that can be rotated with the drive shaft 31 as a fulcrum is provided. It is arranged and configured so that it can be taken over successfully. In addition, since the lower tip locking transport means 30 can be adjusted in the rotational position around the drive shaft 31, the passage width can be adjusted appropriately according to the transport amount. The device 30 is supported by an air spring 32 or the like, and is configured to escape when an overload such as conveyance clogging occurs, so that the device can be prevented from being damaged.

Next, the configuration of the cutting blade mechanism will be described based on the configuration examples shown in FIGS.
In a cutting blade mechanism configured such that a clipper-type cutting blade 33 composed of an upper blade 34 and a lower blade 35 is divided into two left and right, and the left and right upper blades 34L and 34R slide in opposite directions. An alignment portion of the blades 33L and 33R is provided at a lower portion of the frame pipe (weed support pipe) 36, and the left and right alignment portions penetrate through the central portion of the frame connecting stay 37 that fixes the left and right lower blades 35. While providing space part S1, it is set as the structure which provided the same matching space part S2 also in the matching part of a right-and-left cutting blade. Therefore, by providing a space at the joint between the frame connection stay and the left and right cutting blades, there will be no stagnation even if cuttings or mud enters, and it will fall off quickly from the space, improving cutting performance. To do.

  The embodiment shown in FIG. 12 is a space-side end face of the mating portion of the left and right upper blade bars in the cutting blade mechanism in which the left and right upper blades 34L and 34R of the two-divided cutting blade slide in opposite directions so as to cancel vibrations. An α angle is applied so that E1 and E2 become wider toward the rear side. Conventionally, since the mating end faces E1 and E2 are parallel to the front-rear direction, there is a problem that when the waste dust enters the mating space, it is compressed and stays. However, according to the above configuration of this example, the waste dust Even if is compressed, it will be pushed backward.

  Moreover, in the Example shown in FIG.13 and FIG.14, it is set as the structure which provided the crack waste penetration | invasion prevention cover 38 so that straw scraps may not penetrate | invade into the joint part space of a right-and-left upper blade bar. Further, the prevention cover 38 has a shape in which the rear is opened so that the waste waste can be easily discharged to the rear. FIG. 13 shows a configuration in which a hole 39 is provided in the prevention cover 38.

4 Cutting part 7 Weeding body 7R Previously cut ground side weeding body 8 Lifting device 8R Cutting crop side raising case 9 Cutting device 11 First weeding guide 12 Second weeding guide

Claims (1)

  There are provided a plurality of weed bodies (7) for weeding napped cereals to the left and right, a plurality of raising devices (8) for raising cereals after weeding, and a reaping device (9) for harvesting cereals after raising , Of the plurality of weed bodies (7) from the weeding position of the weeding body (7R) located on the already-cutted land side along the outer side of the pulling case (8R) located on the already-cutted land side From the first weeding guide (11) that raises and guides the cereals after the grass upward from the front surface of the case (8R), and the weeding position of the weeding body (7R) located on the already-cutted land side A second weeding guide (12) is provided that guides and guides the cereals after weeding into the raising path (K) inside the raising case (8R) located on the already-cut ground side. Combine harvester.

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