JP2536493Y2 - Harvesting transport unit in combine - Google Patents

Description

[Detailed description of the invention] [Industrial application field] In the present invention, a scraping auger is provided from a grain stalk raking reel provided at a front portion of a reaping and transporting section, via a lifting transporting body, to a rear side of the reaping and transporting section. The present invention relates to a harvesting transport unit in a combine for transporting and supplying cereal culm to a threshing unit and threshing.

[Related Art] Conventionally, grain culm such as rice and soybean is thrown into a grain stalk raking reel provided at a front portion of a reaping conveyance section, or after being mowed by a cutting blade provided at a rear side of a weeding body, and then squeezed. There is known a combine configured to collect grain culms by an auger and supply the collected culms to a threshing unit behind a reaping conveyance unit by a lifting conveyance body.

However, in this case, a space portion beyond the grain culm transfer action is inevitably formed between the rotation locus of the scraping auger and the transport start end side of the lifting carrier, and the grain culm floats in the space portion. In addition to not being able to carry out smooth lifting and transporting due to accumulation, when the cereal lumps accumulated in the space are conveyed to the lifting and transporting body at once, the lifting and transporting body The transporting action of the pulp causes excessive damage, causing damage to the cereal culm, and furthermore, causes an overload in the threshing unit and causes unhandled,
Had the disadvantage that

[Problem to be solved by the present invention] The present invention has been made in view of the above-mentioned situation to solve the conventional disadvantages, and its purpose is to determine the rotation locus of the scraping auger. Prevent floating and accumulation of grain stalks in the space generated between the lifting starter and the transport start end side,
An object of the present invention is to provide a harvesting / transporting unit in a combine which can promptly transfer a grain culm from a scraping auger to a lifting / transporting body.

[Means for Solving the Problems] In order to solve the problems, the technical means adopted by the present invention includes a scraping side of a scraping auger pivotally provided at the rear side of a grain squeezing reel, and In a space formed between the upper conveyance body and the conveyance start end side, an auxiliary conveyance body formed of an endless belt is stretched, and a first conveyance surface along a scraping rotation locus of the scraping auger, The intermediate portion of the stretched endless belt is bulged toward the space via a relay roller in order to form a transport path with the second transport surface along the rotation trajectory on the starting end side of the lifting transport body. It is characterized by the following.

[Operation of the present invention] Therefore, according to the present invention, it is possible to smoothly transfer the cereal culm from the scraping auger to the lifting conveyor, and to reduce unnecessary load on the lifting conveyor and the threshing unit. Threshing work can be satisfactorily performed without any unhandled matter.

[Embodiment] The configuration of the present invention will be described in detail with reference to an embodiment shown in the drawings.

In FIG. 1 and FIG. 2, reference numeral 1 denotes a harvesting / transporting unit provided at the front part of the body of the combine.
At the front end of the pretreatment side frame 2 which is inclined obliquely forward, the weeds 3
, And a cutting blade 4, a scraper auger 5, and a lifting transporting body 6 are respectively provided behind the weeds 3, 3,. It is configured.

A scraping spiral 5a is formed on the scraping auger 5, and between the cutting blade 4 and the lower surface of the rotation locus 5b of the scraping spiral 5a, the scraping bottom plate 8 is moved in the width direction of the pre-processing frame 2. Further, an intermediate portion between the rear end of the scraping bottom plate 8 and the transfer start end of the transfer bottom plate 9 inclined along the lower surface of the lifting transfer body 5, and 5 and lifting carrier 6
The auxiliary transport body 10 is stretched so as to face the space portion 11 formed between the auxiliary transport body 10 and the auxiliary transport body 10.

The lifting carrier 6 supports a drive shaft 13 between side plates 12a and 12b of a cover body 12 in which the lifting carrier 6 is mounted,
The sprockets 14 and 14 are attached to the sprocket 13, and the transport chains 16 and 16 are arranged around the sprockets 14 and 14 with the transfer plates 15, 15 ... Have been.

Further, between the sprockets 14, 14, a cross flow fan 18 in which fins 17, 17 are intermittently arranged is pivotally supported, and is driven and rotated in synchronization with the rotation drive of the transfer chains 16, 16 by the sprockets 14, 14. Section L laid across the side plates 12a and 12b
A blow-up air passage 18b is formed toward the transport bottom plate 9 by the next wind-cut plate 18a.

The auxiliary carrier 10 is formed by winding an endless belt 22 having a large number of elastic projections 21, 21... Between roller shafts 19, 20 in the conveying width direction of the lifting carrier 6. Body belt
The intermediate portion 22 is expanded toward the space portion 11 via the relay roller 23, so that the first transfer surface 22a along the rotation locus 5a of the scraper auger 5 and the sprockets 14,
A second transport surface 22b is formed along the rotation trajectory 15a of the transfer plates 15, 15 wound via the rollers 6, 16, and the harvested grain culm scraped from the scraper auger 5 is rotated by a drive mechanism (not shown). It is configured to transfer the sheet to the lifting carrier 6 via the respective transport surfaces 22a and 22b of the driven auxiliary carrier 10.

In the above-described configuration, when the harvesting and threshing work is performed by the combine, firstly, the cereal culm is separated by the weeding bodies 3, 3,.
The grain stalks scraped by the above or the grain stalks cut by the cutting blade 4 are transferred onto the raking bottom plate 8 of the cutting and conveying unit 1. Next, the cereal stems are raked by the rotation of the raking spiral 5a of the raking auger 5 at the central position of the cutting and conveying section 1 along the raking bottom plate 8 and guided and transported to the auxiliary transporting body 10.

Here, with respect to the space 11 existing between the scraping auger 5 and the lifting transporting body 6, the harvested grain culms scraped from the scraping auger 5 are elastic projections located on the first transport surface 22a. 21, 2
And the rotation locus 5b, and thereafter supported between the elastic projections 21, 21... Located on the second transport surface 22b and the rotation locus 15a. Floating and accumulation are reduced as much as possible.

The harvested grain culm sent to the lifting carrier 6 is quickly lifted and transported on the transport bottom plate 9 by the transport plates 15, 15... Of the transport chains 16, 16, and is not shown behind the harvest transport unit 1. It is transported to the threshing unit.

In the process of transporting the harvested grain culm as described above, in the ridge work such as soybean cutting, the incorporation of soil into the harvested grain culm is inevitable.
3 can be easily removed because it falls between the elastic projections 21, 21... Implanted on the auxiliary carrier 10 as shown in FIG. Along with the rotation, the gap a between the elastic projections 21, 21,... At the turning position of the endless belt 22 at the roller shafts 19, 20 expands to the interval b,
The earth and sand sandwiched between the elastic projections 21 can be reliably dropped downward.

In addition, a cross flow fan 18 coaxially mounted on the drive shaft 13 of the lifting carrier 6 is rotated from the lower end of the carrier bottom plate 8 toward the threshing section behind by the rotation of the lifting carrier 6. The blowing action is performed by the blowing air path 18b to promote the lifting and transporting action, and it is possible to suppress the grains separated and separated from the grain stalks during transporting from sliding down on the transporting bottom plate 9, thereby reducing the loss of the flying grains. It can be prevented beforehand.

[Effects of the Invention] In short, the present invention is formed between the scraping side of the scraping auger pivotally provided at the rear side of the grain stalk scraping reel and the transport start end side of the subsequent lifting transport body. In the space to be formed, an auxiliary transport body composed of an endless belt is stretched, and a first transport surface along the trajectory rotation trajectory of the scraping auger and a first transport surface along the starting end rotation trajectory of the lifting transport body. In order to form a transfer path with the transfer surface of No. 2, the intermediate portion of the stretched endless belt is bulged toward the space through the relay roller, so that the intermediate portion between the scraper auger and the lifting transfer body The cereal stalks scraped from the scraper auger are supported between the first transport surface and the rotation locus of the scraper auger, and then lifted up with the second transport surface. Since it is supported between the rotation locus of the carrier, the floating and accumulation of cereal culm in the space is reduced as much as possible. This allows quick transfer of the cereal culm from the scraping auger to the lifting conveyor, and also prevents unnecessary loads on the lifting conveyor and the threshing unit from being left untreated. This is an extremely useful practical effect that a threshing operation without any problem can be favorably performed.

[Brief description of the drawings]

The drawings show an embodiment of the reaping and transporting unit in the combine according to the present invention, wherein FIG. 1 is an overall side view of the reaping and transporting unit, FIG. 2 is a plan view of the same, and FIG. FIG. In the drawing, 1... Reaping and conveying section, 2... Pretreatment side frame, 5... Scraping auger, 5 b... Rotation trajectory, 6. ... Auxiliary carrier, 11 ... Space, 15a ...
.., A rotation locus, 22... An endless belt, 22a... A first conveying surface, 22b... A second conveying surface, 23.

Claims (1)

(57) [Scope of request for utility model registration] An endless body is formed in a space formed between a scraping side of a scraping auger pivotally provided at a rear side of a grain squeezing reel and a transport starting end side of a lifting transport body following the scraping auger. A first conveyance surface along the auxiliary trajectory of the scraping auger and a second conveyance surface along the rotation trajectory at the start end side of the lifting conveyance body. A cutting and conveying unit in a combine, wherein an intermediate portion of the stretched endless belt is bulged toward the space through a relay roller to form a belt.