JP2565414Y2 - Grain stalk transport device in combine - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grain culm conveying apparatus in a combine for cutting culms and threshing by a self-removing threshing machine.

[0002]

2. Description of the Related Art Conventionally, a threshing device is mounted on a machine frame provided with a traveling device, and a grain stem raising body, a cutting blade, and a raking wheel forming a plurality of raking paths are provided in front of the threshing device. And a raked body provided with a stock squeezing band below the stalk squeezing band arranged along the squeezing route, and transports the harvested grain culms stalked from each squeezing route so as to be merged. Stem joint transport belt and stock former transport belt,
A pretreatment device consisting of a grain culm conveying device for conveying and feeding the merged grain culm to the threshing device is arranged, and the end of the stock mill scraping zone on the uppermost side of the grain culm merging and conveying direction and the stock mill merging and conveying band are arranged. Combines in which the starting end is hung on a wheel mounted on the same shaft are already known.

[0003]

At the inheriting portion of the known combine grain conveying device of the combine, the starting point of the stock joint merging and conveying zone and the terminating end of the stock mill scraping zone for scraping the grain stem toward it are
Since the guide rods opposed to them were spaced vertically and parallel or separated from each other, the roots of the cereal stems that were scraped by the mistake of inheritance were mounted on the confluence conveyor belt. The culm came off from the starting end of the stem guide rod, or the culm was jammed due to an irregular posture.

[0004]

According to the present invention, a threshing device is mounted on a machine equipped with a traveling device, and in front of the threshing device,
A stalk pulling body, a cutting blade, a rake wheel forming a plurality of rake paths, and a rake that has a stock root rub zone below the stem rub zone arranged along the rake path. A body, a stem confluence transporting zone and a stocking confluence transporting zone for transporting the harvested grain culm stalked from each raking path to merge, and a grain culm transporting device for transporting the merged grain culm to a threshing device. A combine comprising a pre-treatment device consisting of: the end of the stocking raking zone on the uppermost side in the grain culm joining and conveying direction and the starting end of the stocking joining and conveying band are hung on a wheel mounted on the same shaft. In this case, the starting end of the stock guide guide rod facing the transport surface of the stock merger transport zone is bent upward, and the scraper opposed to the transport surface of the stock scraper belt on the uppermost side in the grain culm merge transport direction. The above-mentioned problem was solved by wrapping around the end of the guide rod.

[0005]

[Effect] In the process in which the grain stalk raised by the grain stalk puller raises the grain stalks along a plurality of scraping paths and the stock scraping zone and the stem scraping zone scrape backward, the cutting blade cuts, The harvested grain stalks scraped from the scraping path are sequentially scraped into the stalk junction conveyer belt and the root joint conveyer belt and merged sequentially, and the merged grain culms are transported and supplied to the threshing device by the grain culm conveyor. Threshing is performed. Then, the root portion of the grain stalk raked by the root rubbing band on the uppermost side in the merging and conveying direction is scraped out from the end of the squeezing guide rod, and the root portion of the cereal root merging and conveying band and the root of the gromming guide rod are moved. At the time of transition between the starting ends, the starting end of the stock guide rod is inherited while being wrapped at the end of the raking guide rod, so that the stem does not leak or become clogged.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to the drawings. A self-removing threshing device is mounted on one side of a machine having a traveling device composed of a pair of right and left crawlers, and an operation panel is provided on the other side. A driver's seat, a grain tank, and an engine are provided, and a pretreatment device including a cutting device 2 and a grain culm transport device 3 is mounted in front of the threshing device so as to be vertically tiltable.

[0007] The cutting device 2 has six weeds at the front, 5
It is a five-row cutting type in which a plurality of grain stem raising bodies 4... Are provided side by side, and the interval on the cut ground side (the right side in the traveling direction) is wide, and the upper part of the cutting blade 3 a is meshed with each other. Four raked wheels 5 are supported and two raked paths are formed by two pairs of raked wheels 5..., One independent raked on the cut ground side The V-pulley 6 attached to the upper end of the shaft 5b of the raking wheel 5 and the V-pulley 6a pivotally attached to the front part of a case-like cover 6b directed diagonally forward and outward include: A stalk scraping belt 7 serving as a stalk scraping band with flexible lugs 7a is stretched, and a sprocket 8 attached to the center and the shaft of the squeezing wheel 5 on the uncut side is rearward. The front part of the stock raking chain 9 which becomes the raking band for the raking stock is wound around, and one sprocket 10 is wound around the shaft of the raking wheel 5 on the cut ground side.
The sprocket 10 and a driving sprocket 11 that is supported by a shaft A on the rear inner side thereof.
A series of stock-raising chains (stock-raising bands) 9a are attached to the sprockets 12 that are supported diagonally forward and outward, and guide rails are also provided on the inner surface on the non-operating side (outer side). The original raking chain 9a does not contact the sprocket 10.

[0008] Also, on the right side chain case for scraping the cut culms of two rows, a scraping guide rod 9 which is close to the rear of the conveying surface of the stock scraping chain 9 stretched on the other side.
b, a stem guide rod 7b that wraps around the tip of the flexible lug 7a is provided opposite to the stem scraping belt 7 on the cut ground side,
A rake guide rod 9c is provided opposite to the transport surface of the stock rake chain 9a.

Further, at the rear of each of the scraping paths, a stock horizontal transport chain 16 constituting a stock merged transport zone and a three-stage stem horizontal transport chain 17a with a long undulating tine 17 mounted thereon. 17b, 17c, and two relatively strong stock guide rods 18, 18a and flexible guide rods 20, which are elastically supported by the scraping case and are opposed to the transfer surface of the stock horizontal transfer chain 16. And a portion extending from the transport end of the horizontal transport route to the supply port of the threshing apparatus and the start end of the feed chain 21. The grain culm conveying device 3 is pivoted up and down around the rear part to adjust the handling depth, and the chain of the spike-side conveying body 22 stands up at the front part and protrudes at the rear part. Of the tine 22a And, on its conveying surface is oppositely arranged guide rails, the conveying surface of the strains based on carrier 23 are then oppositely arranged the clamping rail.

[0010] A portion facing the rearward portion of the stock lateral transport chain 16 and the stem lateral transport chains 17a, 17b, 17c from the rear outer side of the scraping path on the uncut side through the terminal outer side of the horizontal transport path. Over the stem portion of the scraped body 25
A plurality of tines 27. Pivotally attached to a chain of these continuous transfer scrapers 25, 26.
The posture is controlled by a guide rail so as to stand up and protrude at the front part and fall down at the rear part.
5 and 26 are the same as those of the scraping wheel 5..., The stem scraping belt 7 and the stem scraping wheel 28, but the stock lateral transport chain 16 and the upper and lower stem lateral transport chains 17 a, 17
b, 17c are inclined more gradually than the scraping wheels 5,.

The rear end of the squeezing guide rod 9c on the upper side in the convey direction is bent so as to be gently separated from the conveying surface as shown in FIG. sprocket 16a multiplied by the starting end is attached to the strain based on scraping chain 9a of the sprocket 11 the is brought closer to the lower surface axis a of the end, beginning of strains based on the guide rods 18 of the upstream side of the stock based on the horizontal conveyor chain 16 Is curved so that the front side is sequentially separated from the conveying surface of the stock raking chain 9a in plan view, and is bent obliquely upward as shown in FIGS. 1 and 4 in front view and side view. The guide surfaces are wrapped. Reference numeral 30 denotes a rear brush protruding from a bracket at the front end of the grain culm conveying device, and reference numeral 31 denotes a front brush protruding from the end of the lateral guide plate and overlapping the rear brush 30.

In the above-mentioned combine, after the weeds are planted by the weeds, the cereal stems raised by the cereal stem pullers 4... It is scraped by the stock raking chains 9 and 9a, cut by the cutting blade 3a, and further scraped to the rear lateral transport path. At this time, the stalks of the cereal stalks that have been squeezed from the raked path on the cut ground side are connected to the stalk horizontal transport chains 17a, 17b, 17
c, the stock portion is inherited by the starting end of the stock horizontal transport chain 16. At this time, the starting end of the stock merging guide rod 18 rises obliquely upward to bend at the end of the scraping guide rod 9c. And the starting end of the stock joint guide rod 18 continuously inherits a position substantially the same as the position where the scraped guide rod 9c is pressed against the stalks squeezed, and the stock stem is joined to the stem. Since the stalk is guided by the horizontal transport chain 16, the culm does not come off at the inherited portion, and the culm posture is not disturbed to cause clogging.

[0013] In the middle of the horizontal transport path, grain stalks scraped from the intermediate scraping path join together, and at the end of the horizontal transport path, grain stalks scraped from the uncut side of the uncut land join. In the final junction, the rear portion of the stock raking chain 9 is extended so as to face the portion of the stock horizontal transporting chain 16 which is directed rearward, and the upper and lower transfer raking members 25 and 26 are disposed. Are the stalk horizontal transport chains 17a, 1 from the portion facing the junction.
7b through the portion opposing the end of the tine 22a of the spike-side carrier 22 through a portion facing the end of the spike-side carrier 22a in a plan view. It is possible to carry out the broadcast smoothly without any disturbance or leakage.

[0014]

[Effects of the Invention] Since the present invention is configured as described above,
When the cereal stalk is scraped by the stock rake band and the squeeze guide rod 9c on the uppermost side in the cereal stalk merge direction, and is inherited by the stock merge path and the starting end of the stock merge guide rod 18, Although the former scraping band and the former merger / conveyor belt are wound around a ring mounted on the upper and lower sides of the same shaft, the former merger guide rod 18 has a portion whose starting end is curved in the vertical direction. Thus, the scraping guide rod 9c is brought into pressure contact with the portion substantially in contact with the cereal culm and guided continuously, whereby the culm falls off or the culm posture is disturbed and clogging occurs. Therefore, the culm can be conveyed orderly and securely while changing the conveying direction.

[Brief description of the drawings]

FIG. 1 is a side view of a front part of a combine.

FIG. 2 is a plan view of the same.

FIG. 3 is a perspective view of a main part.

FIG. 4 is a front view of the same.

[Explanation of symbols]

 2 Harvesting device 3 Grain culm conveying device 5 Scraping wheel 6b Cover 7 Stem portion squeezing belt 9a Scraping chain 9c Squeezing guide rod 16 Strain base horizontal transport chain (stock joint chain) 18 Strain guide rod

Claims (1)

(57) [Scope of request for utility model registration] 1. A threshing device is mounted on a machine equipped with a traveling device, and a grain stem raising member 4 and a cutting blade 3a are provided in front of the threshing device.
A raking wheel 5 that forms a plurality of raking paths, a raking body provided with a stock root raiding band below a stem raping band disposed along the raiding path, Before the stalk consolidation conveyance zone and the stock joint consolidation conveyance zone for conveying the harvested grain culms squeezed from the raking route to converge, and the cereal culm conveyance device 3 for conveying and conveying the merged cereals to the threshing device In a combine, in which a processing device is disposed, and the end of the root of the root of the strainer and the beginning of the root of the root of the root are joined on a rolling wheel mounted on the same shaft, The starting end of the stock guide guide rod 18 opposed to the transport surface of the original merged transport belt is bent upward, and the scraping guide provided opposite the transport surface of the stock scrape belt on the uppermost side in the grain culm combined transport direction. A grain stalk conveying device in a combine, wherein the device is wrapped around the end of a rod 9a.