JPH07274667A - Culm-raking apparatus in combine harvester - Google Patents

Abstract

PURPOSE:To provide a culm-raking apparatus in a combine harvester capable of introducing and raking culms raised by a culm-raising apparatus into the culm-raking apparatus in an orderly manner. CONSTITUTION:This culm-raking apparatus in a combine harvester is provided with guiding levers in a raking channel of the reaped side of the combine harvester in the following manner. For the plant-foot raking chain 8 arranged outside, a guiding lever 22 is extended along from the rear part of the lower end of the culm-raising member 5 second from the reaped side. For raking belt 11 having lugs, a guiding lever 26 is extended backward along from the front part of the lower end of the culm-raising member 5. And, for a culm- raking chain 13 having tines, a guiding lever 28 is extended along from the back side of the culm-raising member 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grain in a combine, in which a cut grain culm is scraped by a grain stalk scraping device to be merged, and the merged grain culm is conveyed and supplied to a threshing device by a grain culm conveying device. The present invention relates to a culm scraping device.

[0002]

2. Description of the Related Art Conventionally, a harvested grain culm is scraped by a grain stalk scraping device having a plurality of scraping paths to be merged, and the merged harvested grain culm and a chain for transporting the spikes on the ear side are provided opposite to each other. A grain culm transporting device consisting of a stock carrier transport chain in which a sandwiching rail is installed to feed the grain while adjusting the handling depth and supplying it to the threshing device at the rear side, in the scraping path, on the cut land side. Is made wider than the other ones, an auxiliary weeder is provided at the rear of the grain culm raising body on the side of the cut grass, and along the outside of the scraping path on the side of the cut grass, the stock root scraper and upper and lower two stages The stem scraping body is provided, and the auxiliary sward body is provided at the rear of the grain culm raising body on the side of the cut land, and it extends from near the front part of the auxiliary sward body toward the upper part and the lower part of the upper stalk carrier. A combine harvester provided with a guide rod that has been taken out so that the scraped grain culms can be supplied to the threshing device by the grain culm transport device Already it is known by Japanese Utility Model 54-115323 discloses.

[0003]

The guide rod for the outside of the scraping path on the side of the cut land of the known combine culm scraping device of the above-mentioned combine is extended from the auxiliary sward of the rear part of the crop sprouting body, Since this was made to follow only the upper scraping body, the grain culm that is caused by the front part of the wide scraping path on the side of the cut land and is scraped diagonally inward and rearward is Immediately after the stalk, both the upper and lower parts of the stalks are in a free state, and then the stalks are only guided by the guide rods that are erected from only the upper part toward only the upper part of the stalk part, so that the squeezing leakage and the grain Depending on the length of the culm, the scraping posture changes and the culm posture is disturbed, resulting in problems such as clogging at the succeeding part to the grain culm transporting device and smooth transfer of the culm.

[0004]

According to the present invention, a plurality of grain culm inducers are obliquely provided in the rear part of a weed body, and a cutting blade, a scraping ring, and a plant are provided below these grain culm inducers in order from the bottom. Original scraping chain,
Providing a scraping belt with lugs and a stalk scraping chain with tines, the scraped cut rice culms are sent to the threshing device by a grain culm conveying device consisting of a stock carrier and an ear side carrier. In the harvest path on the cut side of the combine of the combine, in which the grain culm raising path and the grain stalk scraping path on the slaughtered land side are wider than those of the other, The guide rod is extended from the rear end of the second lower end of the grain culm raising body from the side of the cut land, and the guide rod is extended rearward from the front portion of the lower end of the grain culm raising body with respect to the scraping belt. The above-mentioned problems were solved by extending the guide rod from the back surface of the grain culm raising body and extending along the stalk-incorporating chain.

[0005]

[Effect] The vertical culm culms sown by each succulent body are caused by the culm sprouting body, and the stalks caused by the culm are scraped by the scraping ring at the root of the plant and rugged at the upper part. The stems with a belt and a tine with tine are scraped diagonally inward and rearward, and are mowed with cutting blades.The grain culms scraped from each scraping route are merged and then supplied to the threshing device by a grain stalk conveyor. It Then, at the time of middle cutting or when cutting along the ridge, the grain culm raising body arranged outside the wide scraping path on the uncut ground side raises the grain culms for two rows, and follows it. In the scraping route, two rows of grain culm are scraped, and the guide rod on the stock side guides the stock yuan scraping chain immediately after the grain culm raising body while guiding to the stock yuan scraping chain. From the part facing the lower end of the grain culm raising body, it is pressed against the grain culm and guided to the scraping belt with lugs, and the guide rod above that is separated from the back of the grain culm raising body from the raising claw of the grain culm raising body. It will guide continuously to the tine-bearing stalk scraping chain that is pressed against the stem of the grain culm immediately after that, without disturbing the grain culm immediately after the stalk from the root side of the grain stalk to the stem. It is possible to guide and regulate in a well-aligned state, and the grain culms that have been scraped and mowed are neatly arranged without leaking to the grain culvert transport device. It is possible to transport inherited.

[0006]

An embodiment of the present invention will be described with reference to a combine transporting apparatus shown in the drawings. Although not shown, a threshing device is provided on one side of a machine base having a traveling device and a control panel is provided on the other side. , A driver's seat, a grain tank, etc. are arranged, and a pretreatment device consisting of a mowing device and a grain culm transporting device in front of the threshing device and the operation panel is tilted up and down about the horizontal axis of the upper rear part. It is attached to.

The cutting device 1 of the pretreatment device is arranged on the uncut area side above the cutting blades 3 and the cutting blades 3 and the cutting blades 5 and the cutting blades 3. Scraping wheels 6 and 6 meshing with each other, a scraping wheel 7 axially supported on the already-cutted land side, and a plane from the upper part of the scraping wheel 7 and the upper part of the uncut-side scraping wheel 6 The stock root take-in chains 8 and 9 which are inclined so as to form a Y-shape with each other, and the front portion which extends rearward and obliquely outward from the upper surface of the stock root take-in chain 8 whose rear portion is on the side of the cut land. Strain yuan scraping chain 10, lug scraping belt 11 disposed on the upper part thereof, tine stem scraping chain 12 extending further upward and obliquely to the center rear, and tine scooping scraping chain 1
3 and the front stock former scraping chain 10
The link plate with the interval of has a long scraping claw 15 having a receding angle, and the grain culm raising body 5 on the side of the cut land has a wider width than the other and a large number of raising claws 5a. Since the lower part of the pull-up chain 5b having * is wound around the two rolling wheels 16, 16 which are axially supported on both sides, as shown in FIG.
It is possible to scrape and raise grain culms with a wide width in the lateral direction, and a guide rail 17 (not shown for the uncut side is not shown) is provided on the conveying surface of the stock-source scraping chains 8 and 9. I am doing it.

Then, the grass body 2 is attached to the front end of the second cutting frame 20 from the left side (side of the cut land) when viewed from the front, and the bracket 21 is provided on the cutting frame 20 slightly rearward of the grain culm raising body 5. And fix this bracket 21
The first guide rod 22 having the front end attached to the front part thereof swells sequentially in the grain culm path and the rear part is curved in the opposite direction, and the rear part of the reverse part is the front end traveling part and the front part of the stock scraping chain 8. It is approaching to the trailing end traveling portion of the stock stock scraping chain 10 (in this example, it is close to the scraping claw 15 of the front stock stock scraping chain 10).

Also, a bracket 25 is fixed to the cutting frame 20 between the grass body 2 and the lower end of the grain culm raising body 5,
The second guide rod 2 having the front end attached to the bracket 25
Reference numeral 6 is a portion facing the lower end traveling portion of the pull-up claw 5a, and is a locking device 2
The position is regulated by 7, and then it is bent obliquely rearward and upward, and it is sequentially bulged toward the inside of the grain culvert path, and then the rear part is curved in the opposite direction. The rotation locus of the front end of the lug 11a of 11 is approached from above from the rear side.

Further, the third guide rod 28 having a front portion attached to the rear surface near the lower portion of the second grain culm raising body 5 extends obliquely rearward and upward in a side view, and extends outward in a plan view. Then, it is curved obliquely backward and rearward, and the tip end thereof is close to the upper portion of the tine rotation regulation of the tine-attached stalk portion sweeping chain 12. Reference numeral 29 is a guide plate which is fixed to the back surface of the second grain culm raising body 5 and is along the scraping path.

In the above-mentioned combine,
The raised culm culled by the culms is raised by each grain culm raising body 5 ..., and the scraping belt 11 with lugs and the scraping wheels 6, 6 ,.
The grain culm scraped in 7 is cut by the cutting blade 3, and the cut grain culm is the stock source scraping chains 8 and 9 and the stem scraping chain 1.
2. The ears side scraping chain 13 scrapes backward and merges, and this is conveyed and supplied to the threshing device by the grain culm conveying device while the handling depth is adjusted.

[0012] When the middle cutting or the cutting of the grain culm along the ridge, two grain culms intrude into the grain culm path on the side of the cut land, and the grain of the end on the side of the cut land is cut. The pulling claws 5a of the culm raising body 5 are widely scraped and raised at the lower end traveling portion, and the rake belt 11 with lugs is pulled up from the stock base portion by the lugs 11a. Scratch to the center of the grain culvert path, second
The guide rod 26 moves upward while guiding the stems of the grain culms by sequentially pushing inward from the portion corresponding to the lower end traveling portion of the raising claws 5a. The first guide rod 22 extends obliquely upward and into the grain culm path to press and guide the plant base of the grain culm, and the front stock yuan scraping chain 10 and the stock yuan scraping chain 8 are pushed. In the vicinity of the delivery part of the scraping claw 15 while pressing it along the upper surface of the rotation path of the scraping claw 15, and the third guide rod 28 extends the stem portion of the raised grain culm from the back surface of the second grain culm raising body 5. Immediately after being pulled up, the stalk portion is immediately guided to the center of the grain culm path and pushed into the turning locus of the tine 12a ... From the raising body 5 through the scraping means, not only the root part but also the stem part and the ear side are leaked. Can be delivered to the scraping means in an orderly manner without any delay.Furthermore, subsequent transfer to the feed chain of the grain culm transporting device and the threshing device is blocked, and the culm posture is not disturbed accurately. It can be carried out.

[0013]

EFFECTS OF THE INVENTION According to the present invention, a plurality of grain culm raising bodies 5 are obliquely provided in the rear part of the grass body 2, and below the grain culm raising bodies 5, in order from the bottom, the cutting blade 3, the scraping wheel 6, Strain yuan scraping chain 8, lug scraping belt 11, and tine stem scraping chain 1
2, the scraped grain culm that has been scraped is sent to the threshing device by the grain culm transporting device that is composed of the stock carrier and the ear side transporter, and is fed to the threshing device. In the scraping path on the cut-off side of the combine, in which the crop-scraping path is wider than those of the other crops, for the outside stock-source scraping chain 8, the second grain-scatter-initiating body from the cut-off land side is provided. The guide rod 22 extends from the rear portion of the lower end and is arranged along the guide rod 22.
The guide rod 26 extends rearward from the front end of the lower end of the grain culvert raising body 5 and extends along the guide rod 26 from the front portion of the grain culm raising body 5, and guides the rear side of the grain culvert raising body 5 with respect to the tine-attached stem portion scraping chain 12. Immediately after raising the stem and the ear side by each of the guide rods 22, 26, 28, since the rod 28 is extended and arranged along the stem, the grain culm that has been weeded by the plant body 2 and caused by the grain culm raising body 5 ... Can continuously guide and scrape into the rugged scraping belt 11 and the tine-containing stalk scraping chain 12 above it in an orderly and well-aligned state, causing clogging at the rear succeeding part, It is possible to prevent the culm posture from being disturbed.

[Brief description of drawings]

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

FIG. 2 is a plan view of the same.

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

[Explanation of symbols]

2 grass bodies, 5 culm culverts, 6,7 scraping ring, 8,9 stock former scraping chain, 11 scraping belt with lugs, 12 stalk scraping chain with tine,
13 Tearing chain with tine, 22 1st guide rod, 26 2nd guide rod, 28 3rd guide rod

Claims (1)

[Claims] 1. A plurality of grain culm raising bodies 5 are obliquely provided at the rear part of the grass body 2, and below the grain culm raising bodies 5, in order from the bottom, a cutting blade 3, a scraping wheel 6, 7, and a stock base. Scraping chains 8 and 9, scraping belt 11 with lugs, and stalk scraping chain 12 with tines
Is provided, and the scraped grain culm scraped in is fed later to the threshing device by the grain culm transporting device consisting of the stock carrier and the ear-side transporter, and the grain stalk-raising path on the already-cut site and In the scraping path on the cut-off land side of the combine, in which the crop-scraping path is made wider than those of the other crops, the second crop-pull raising body 5 from the cut-off land side is provided for the outside stock root scraping chain 8. A guide rod 22 is extended from the rear portion of the lower end to extend along the guide rod 26 from the lower portion of the grain culm raising body 5 to the rear side of the tine with the lugs. A grain rod scraping device in a combine, characterized in that a guide rod 28 is extended from the back surface of the grain rod raising body 5 with respect to the stalk portion scraping chain 12.