JPH0634U - Grain culm carrier in combine harvester - Google Patents

Abstract

(57) [Abstract] [Purpose] The present invention aims to eliminate grain or disturb the culm posture of a multi-row combine harvester, regardless of the length of the culm, at the final confluence of grain culms scratched from multiple grain culm scraping paths. It is an object of the present invention to allow the grain culm transporting device, which is merged in the state without the grain, to pass to the threshing device and be inherited. [Structure] A threshing device is mounted on a machine stand equipped with a traveling device, and a grain culm raising body 4 and a cutting blade 3a are provided in front of the threshing device.
And a plurality of scraping paths having a stock scraping band and a stem scraping band, and a stem part that merges the harvested culm scraped from the scraping paths toward one side of the machine body while conveying them. In a combine provided with a pre-treatment device composed of a confluent transport device composed of a confluent transport belt and a stock yuan confluent transport belt, and a grain culm transport device 3 for feeding the merged grain culm to a threshing device, the merge transport device The stalk-conveying device in a combine, wherein the stalk-merging conveyor belt and the stalk-merging belt disposed outside the squeezing path that joins at the end of the merging conveyor path are supported so as to be vertically adjustable.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a grain culm conveying device in a multi-row mowing type combine that cuts grain culms and performs threshing treatment by a self-throwing type threshing machine.

[0002]

[Prior art]

 Conventionally, a threshing device is mounted on a machine stand equipped with a traveling device, and in front of the threshing device, a plurality of scrapers having a grain culm raising body, a cutting blade, a stock root scraping band and a stem scraping band. And a merging / conveying device composed of a stalk-confluence conveying zone and a stem-source merging / conveying zone for converging the harvested culms scraped from the rake routes toward one side of the machine body. , In a combine equipped with a pretreatment device configured to convey the combined grain culm to a threshing device and to supply the grain culm conveyer device, the stem-confluence conveyer zone of the merger conveyer device is vertically adjustable. The device has already been proposed.

[0003]

[Problems to be solved by the device]

 In the known combine grain culm transporting device, since the stalk merging / conveying zone of the merging / conveying device can be adjusted up and down, the culm amount is relatively small in the middle of the merging portion and the merging / conveying merging is carried out in the same direction. As a result, the flow of grain culms is relatively smooth, but at the end of the confluent transport route, the height of the stalk swath was constant, despite the large amount of culm and changing the transport direction. In the short culm, the tines in the stalk of the stalk struck or squeezed the ears, resulting in increased shedding, and in the long culms, the ears were bent or bulged outward, making the merging unsuccessful.

[0004]

[Means for Solving the Problems]

 According to the present invention, a threshing device is mounted on a machine stand equipped with a traveling device, and in front of the threshing device, a plurality of grain culm raising bodies, cutting blades, a stock root scraping band and a stem scraping band are provided. Conveying device consisting of a stalk confluence conveying zone and a stem section confluence conveying zone for merging the harvested culms that have been scraped from the scraping routes toward one side of the machine body. In a combine equipped with a pretreatment device composed of a grain culm transporting device for feeding the merged grain culm to the threshing device, a stalk merging / conveying zone of the merging / conveying device and a merging / converging route are joined at the end of the merging / conveying route. The above-mentioned problem has been solved by supporting the stalk-sweep belt disposed outside the swallow path so that it can be adjusted vertically.

[0005]

[Action]

 In the process in which the scraper that is caused by the grain culm raising body is scraped backward along the multiple scraping paths by the scraping ring and the stock scraping belt and the stem scraping belt, the cutting blade mows each scraping path. The cut grain culm scraped from the stalk is sequentially scraped into the stalk confluence transport zone and the stock yuan confluence transport zone, and merges in sequence.The merged grain culm is transported to the threshing device by the grain culm transport device and threshed. It When the harvested grain culm is short culm, if the stem scraping zone located outside the merging / conveying zone of the stem and the merging end is adjusted to a low level, the stem side of the culm that is scraped and merges at that part Are merged without squeezing the ears while being received by the above-mentioned stem scraping band, and in the case of a long culm, the stem merge transport band and the stem scraping band at the end of the merge are adjusted to be high. Then, the grain culm that is scraped from the scraping route on the lowermost side in the merging / conveying direction and merges, although it is a long culm, it is merged by receiving the stalks near the spikes. The upper part of the grain does not bend outwards or come apart, and it can be passed on to the grain culm transporting device while being tied in an orderly manner while preventing shattering, disturbed culm posture, and clogging regardless of culm length. .

[0006]

【Example】

 An embodiment of the present invention will be described with reference to the drawings. A self-destructing threshing device is mounted on one side of a machine base having a traveling device 1 consisting of a pair of left and right crawlers, and an operation panel and a driver's seat are provided on the other side. A grain tank and an engine are provided, and a pretreatment device including a harvesting device 2 and a grain culm transporting device 3 is mounted in front of the threshing device so as to be vertically tiltable.

The cutting device 2 is of a 6-row cutting type, which is provided with 7 grass bodies, 6 grain culm raising bodies 4 ... (Adjusts appropriately according to the number of cutting rows) in the front part. , The distance on the side of the already-cut land (on the right side in the direction of travel) is wide, and three pairs of scraping wheels 5 that are meshed with each other are pivotally supported on the upper part of the cutting blade 3a to form a pair of scraping wheels. .. form three scraping paths, which are pivotally supported on the front of a V-pulley 6 attached to the upper ends of the shafts 5a of these scraping wheels 5 ... and a case-shaped cover 6a directed diagonally forward and outward. The V-pulley 6b is provided with a stalk-incorporating belt 7 which is a stalk-incorporating belt with a flexible lug 7a ... On the sprocket 8 and the sprocket on the rear side, wrap the stock root scraping chain 9 with a protrusion that scrapes the root part of the grain culm backward. However, the rear end of the stock scraping chain 9 on the side of the already cut land is wound around the sprocket 9a attached to the shaft A, and the rear end of the stock scraping chain 9 on the side of the uncut land is mounted on the shaft B. It is wound around a sprocket 9c, and a scraping guide rod 9b is provided on the side of each scraping path that faces the conveying surface of the stock source scraping chain 9 so as to face the scraping belt 7 of the stem part. A guide rod that is relatively flexible is also installed on the transport surface. Numeral 10 is a star wheel type ear side scraping wheel.

[0008] Furthermore, at the rear of each of the scraping paths, a stocker confluent transport chain 16 with protrusions extending from one side to the other side of the cutting width and a long undulating tine 17 are mounted in two horizontal upper and lower stages. Stem joint merging / conveying chains (stem merging / conveying belts) 17a and 17b, and two comparatively strong stocks that are held by the scraping case so as to be able to move forward and backward and are opposite to the conveying surface of the stock merging / conveying chain 16. A lateral transport path formed by the original guide rods 18 and 18a and the flexible guide rod is provided, and the feed end of the lateral transport route is provided with the feed port of the threshing device and the sandwiching rail 21 opposite to each other. The grain culm transporting device 3 consisting of the ear-side transporter 22 and the stocker transporter 23 is pivotally supported around the rear end of the chain so as to adjust the handling depth by vertically tilting around the rear part. , Chain of the ear side carrier 22 A number of tines 22a that stand upright in the front part and fall down in the rear part are attached to the front part, and a guide rail is installed opposite to the transfer surface, and a sandwiching rail is installed opposite the transfer surface of the stock carrier 23. The sprocket 16a around which the starting end of the stock merging / conveying chain 16 is wound is attached to the shaft A in a state of being close to the sprocket 9c.

A gentle curve is formed between the sprocket 9c wound around the rear end of the stock scraping chain 9 on the side of the cut land and the sprocket 16a wound around the start end of the stock merging / conveying chain 16. The star wheel 20 is mounted on the shaft A through a star wheel 20 having a large number of protrusions having a receding angle. The star wheel 20 is a protrusion of the stock maker scraping chain 9 and the stock merging / conveying chain 16. It has a larger diameter than the traveling locus including, and the winding portion of the star wheel 20 is provided with a winding prevention rod 20a whose working surface is substantially orthogonal to the front surface of the projection of the star wheel 20 in the rotation direction. Since the guide plate 19 is provided which protrudes rearward through the upper surface of the star wheel 20 after advancing to the scraping path along the upper surface of the stock yuan scraping chain 9, the projection of the star wheel 20 and the guide plate 19 are provided. The drive plate 19 is pushed out of the stock root part that is clamped and conveyed by the stock root take-in chain 9 and the stock root guide rod 18 so as to be removed from the projection of the stock root take-in chain 9 and pushed out into the conveyance path to join the stock roots. When the grain culm is caught on the star wheel 20 when it is delivered to the transport chain 16 and subsequently exits from the transport path, the winding prevention rod 20a receives it, so that Will be inherited and transported.

A portion facing the rearward portion of the stock path from the rear side of the scraping path on the side of the uncut land to the rear side of the stock source merging / conveying chain 16 and the stem part merging / conveying chains 17 a and 17 b through the outer side of the end of the lateral conveying path. Therefore, upper and lower two stages of stalk sweeping zones 25, 26 are provided, and a plurality of tines 27 pivotally attached to the chains of these stalk sweeping zones 25, 26 are made to stand up and project at the front. , The posture is controlled by the guide rails so that the robot falls down at the rear. Reference numeral 30 is a rear brush projecting from a bracket at the front end of the grain culm transporting device, and 31 is a front brush projecting from the end of the lateral guide plate and superposed on the rear brush 30.

The chain case 17a ′ of the upper stem merging / conveying chain 17a is supported by the chain case 17b ′ of the lower stem merging / conveying chain 17b via a pair of left and right connecting plates 32, 32. The intermediate portion of the connecting plate 32 is divided and overlapped, and the connecting plate 32 is screwed by bolts 33, 33 so as to be adjustable in expansion and contraction. The connecting plate 32 stands upright from the right end of the lower chain case 17b 'and the upper merging and conveying chain of the upper chain. The drive shaft 35 that is transmitted to 17a is spline-fitted to a cylinder shaft 36 on which a sprocket is mounted. The shafts 35 and 36 are a cylinder body 36 protruding from a lower chain case 17b 'and an upper chain case. It is vertically provided on the lower surface of 17a 'and is covered with a cylindrical body 38 fitted to the outside of the cylindrical body 36.

In addition, the above-mentioned stalk-incorporating belt 25 in the upper stage, which is provided on the outside of the in-scraping-side soil scavenging path, has a support plate 37a erected on the chain case 26a of the stalk-incorporating belt 26 in the lower stage, It is supported by overlapping with a support plate 38 hanging from the upper chain case 25a and screwing it up and down with bolts 39 ,. The cylinder shaft 41 extending from the input sprocket of the upper stalk scraping belt 25 is spline-fitted to the drive shaft 40 so that expansion and contraction can be adjusted. The connecting plate 42 erected on the upper surface of the case 25a is superposed on the connecting plate 43 which is hung from the case of the horizontal shaft 44 which is transmitted to the grain culm raising body 4 ,. Adjustable I have it. Reference numeral 51 is an ear side guide plate which is screwed onto the upper chain case 25a and is raised obliquely inward.

In the above-mentioned combine, the grain culm which is cultivated by the grain culm raising body 4. It is scraped by the scraping chain 9 and cut by the cutting blade 3a, and further scraped up to the rear lateral conveying path. At that time, the stems of the grain stalks scraped from the scraping path on the side of the already cut land are inherited by the stem confluence transport chains 17a and 17b, and the stock root is inherited at the start end of the stock confluence transport chain 16. However, at this time, the grains are scraped from the intermediate scraping route and smoothly transferred by the star wheel 20, the guide plate 19, and the wrapping prevention rod 20a. , At the end of the horizontal transfer route, the grain culms scraped from the scraping route on the uncut side merge, and at the final merging portion, the rear part of the stock yuan scraping chain 9 ends at the end of the stock merging / conveying chain 16. The upper and lower stalk scraping bands 25, 26 extend from the portion facing the merging portion to the portion facing the end of the stalk merging / conveying chains 17a, 17b. After that, the front end traveling locus of the tines 22a of the ear-side carrier 22 and the plan view Since over until the wrap is positioned, the front end of the culms was flowed if culms conveying apparatus can smoothly Tsugioku be Rukoto with no disturbance or leakage.

When the grain culm to be cut is a long culm, the chain case 17a ′ of the upper-stage stalk-joining and conveying chain 17a is pulled up as shown by the solid line, and the intermediate portion of the connecting plates 32, 32 is bolted to the bolt 33. .. and the upper part stalk scraping band 25 disposed on the outer side of the uncut land is also pulled up so that the support plates 37, 37a are fixed by the bolts 39, 39, and the connecting plate 42 , 43 are widened and tightened with bolts 50, 50, the tine of the upper stalk scraping zone 25 is locked by scraping the stalk of the grain stem near the ear. Even if the culm is long culm and the amount of culms is large as a result of merging, the ears project to the outside, the ears are bent and the tines are squeezed by the tines, and the merging posture is disturbed. If there is no shortage and is short culm, Contrary to the above, when the stalk merging / conveying chain 17a and the stalk-incorporating belt 25 in the upper stage are moved downward and screwed, the tines of those carriers do not hit the ears to cause shedding.

[0015]

[Effect of device]

 Since the present invention is configured as described above, the cut grain culm scraped from each scraping path is inherited by the stock yuan confluent transfer chain 16 and the stem part confluent transfer chain 17a in the confluent transfer route. Are successively merged, and at the merging portion at the end of the transportation, they are taken over by the grain culm transporting device 3 and are transported and supplied to the rear threshing device. Then, when the grain culm is a long culm, the stem merging / conveying chain 17a and the stalk scraping belt 25 disposed on the outer side of the merging end side are moved upward to adjust the culm amount at the final merging portion. However, the stem merging / conveying zone 17a and the stalk scraping zone 25 receive the high portion of the stem of the culm from inside and outside to convey the culm, and thus the stalk of the culm is transported. It is possible to reliably prevent the ear part from falling inward and outward to disturb the conveying posture, or the ear part to be squeezed and shattered due to folding and hanging in that state.

[Brief description of drawings]

FIG. 1 is a side view of an intermediate portion of a combine.

FIG. 2 is a side view of the same as above on the uncut area side.

FIG. 3 is a plan view of the same.

FIG. 4 is a sectional view of a main part.

FIG. 5 is a plan view of a grain-culm scraping merged transport unit.

FIG. 6 is a sectional view of the same.

[Explanation of symbols]

 2 Mowing device 3 Grain-carrying device 7 Stem scraping belt 9 Stock former scraping chain 16 Stock former confluent transport chain 25,26 Stem scraping belt 32 Connecting plate 35,40 Drive shaft 36,38 Cylindrical body 42,43 Connecting plate

Claims (1)

[Scope of utility model registration request] 1. A threshing device is mounted on a machine base provided with a traveling device, and a grain culm raising body 4 and a cutting blade 3a are provided in front of the threshing device.
And a plurality of scraping paths having a stock scraping band and a stem scraping band, and a stem part that merges the harvested culm scraped from the scraping paths toward one side of the machine body while conveying them. In a combine provided with a pre-treatment device composed of a confluent transport device composed of a confluent transport belt and a stock yuan confluent transport belt, and a grain culm transport device 3 for feeding the merged grain culm to a threshing device, the merge transport device The stalk-conveying device in a combine, wherein the stalk-merging conveyor belt and the stalk-merging belt disposed outside the squeezing path that joins at the end of the merging conveyor path are supported so as to be vertically adjustable.