JP2003000033A - Plant foot-transfer device of combine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable to transfer cereal stems in a nipped state from middle plant root-transfer devices 8 installed in a middle cereal stem-transfer passage section and a central middle plant foot-nipping rod to a backward upper merging section by certainly continuing the transfer through middle nipping guide rods, middle upper and lower guide rods and the middle plant foot-transfer devices. SOLUTION: This plant foot-transfer device of a combine is constituted by installing middle plant foot-transfer devices 8 to a central cereal stem-transfer passage section 25, middle nipping guide rods 10 rotatable around the front end as a rotation center (a) and middle upper and lower guide rods 11, 12 on both upper and lower sides of the middle nipping guide rods 10. Further, cereal stems transferred by nipping by a raking device 4 in the central part, the central plant foot transfer device 8 and the central middle plant foot-nipping rod installed to be rotating around the front end as the rotational center are succeedingly transferred by the middle nipping guide rods 10, the middle upper and lower guide rods 11, 12 and the central plant foot transfer device 8.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a left / right / clamping machine for cutting and cutting culm culms harvested by a reaper to a rear junction.
It is a technology that includes a middle stock source transfer device, a middle holding guide rod for holding and guiding, middle upper and lower guide rods provided on both upper and lower sides of the middle holding guide rod, and a middle stock center holding rod. It can be used as a combine stock source transfer device.

[0002]

2. Description of the Related Art When harvesting napped culms with a combine harvester, the culms are separated by each grass body at the front end of the reaper mounted on the front part of the traveling chassis, and the culms are raised by each raising device and each scraped. While being scraped by the device, it is cut by the cutting blade device. The right part of the cut grain culm is pinched and transferred by the right stock source transfer device and the right pinching guide rod, and transferred to the confluence part at the upper rear part.
Further, the central portion is supported by a medium stock source transfer device, and a support shaft that supports sliding movement in the left-right direction in the vicinity of the transfer end portion, and a middle stock center pinching rod whose rotation center is the transfer start end. It is sandwiched and transferred by the middle clamping guide rod which is fixed to the rear part of the scraping device in the center and the transfer start end is fixed, and the middle upper guide rod is provided above the middle clamping guide rod. The grain culms are taken over and transferred to the confluence at the upper rear. Further, the left side portion is sandwiched and transported by the left stock source transporting device and the left sandwiching guide rod, and is transported to the merging portion at the upper rear portion.

The grain culms pinched and transferred from the left, right and middle parts to the merging portion are further taken over by each device for carrying out the post-treatment process of the reaper, transferred to the upper rear part and supplied to the thresher. The threshed and threshed grains are supplied into the grain storage tank and temporarily stored.

[0004]

The medium stock source center pinching rod, which holds and transfers the grain culm by the medium stock source transfer device and the medium stock source center holding rod, is left and right depending on the transfer amount of the grain culls to be cut and transferred. A support shaft is provided for sliding movement to, but since the mounting position of this support shaft is provided near the end of the transfer, the lateral movement at the takeover part is poor. In some cases, the grain culms were not reliably transferred to the Nakagami guide rod, or when the transfer amount was large, clogging occurred in the transfer portion. Further, the middle gripping rod guide rod has a fixed transfer start end, and further, the middle upper guide rod is provided only on the upper side of the middle sandwiching guide rod, but the middle lower guide rod is not provided on the lower side. By
Due to the transfer amount of grain culm, the transfer of grain culm from the medium stock source transfer device and the medium stock source center pinching rod is not reliably performed by these middle pinching guide rod and Nakagami guide rod. In some cases, clogging may occur at the takeover portion, and spillage of grain culms may occur, but the present invention is intended to solve these problems.

[0005]

To this end, according to the invention described in claim 1, the present invention provides a plurality of scrapers for scraping napped culms on the front part of the reaper 3 provided on the front side of the traveling carriage 2. In a combine provided with an input device 4, a cutting blade device 5 for cutting grain culms, and left / right / middle stock yuan transfer devices 6, 7, 8 for sandwiching and transferring the harvested corns to the confluence section A in the rear, In the middle grain culm feeding path 25 formed by the right stock source transfer device 7 and the middle stock source transfer device 8, the front end portion is rotatable around the rear portion of the central scraping device 4 as the rotation center a. A middle sandwiching guide rod 10 for guiding and sandwiching and transferring the grain culm to the right stock source transfer device 7 is provided, and the grain stalks are guided to the right stock source transfer device 7 on both upper and lower sides of the middle sandwiching guide rod 10. A middle upper guide rod 11 and a middle lower guide rod 12 whose transfer end portion is shorter than the middle upper guide rod by a predetermined length are provided. It is obtained by the combined strains original transfer device and symptoms.

[0006] In the second aspect of the present invention, in the medium grain culm transfer path 25, a transfer end portion which is rotatable about the front end portion as a rotation center b and guides the grain culm to the right stock source transfer device 7. Is provided with a middle stock center center holding rod 9 having an inclined portion 9a inclined in the transfer direction, and a support shaft 9b for supporting the movement in the left and right direction is provided at a substantially central portion of the middle stock source center holding rod 9 in the front-rear direction. The combine stock source transferring device according to claim 1, wherein the combine stock transferring device is provided.

[0007]

In the inventions of claims 1 and 2, the harvesting work of the napped culms by the combine harvester is performed with each grass at the front end portion of the reaper 3 provided at the front portion of the traveling chassis 2. The napped culms are separated and raised by each raising device, and each scraping device 4
It is cut by the cutting blade device 5 while being scraped by. The right part of the cut grain culm is pinched and transferred by the right stock source transfer device 7 and the right pinching guide rod, and transferred to the confluence part A in the upper rear part.

The central portion is a medium stock source transfer device 8 on one side of the medium grain culm transfer path 25 formed by the right stock source transfer device 7 and the middle stock source transfer device 8, and the invention according to claim 2 A support shaft 9b for supporting the sliding movement is provided at a substantially central portion in the front-rear direction of the middle stock center holding rod 9 which slides in the left-right direction, and the front end is used as a rotation center b, and the transfer end is moved in the transfer direction. The front end portion of the invention according to claim 1, which is clamped and transferred by the middle stock former center clamping rod 9 provided with an inclined portion 9a inclined to the rear part of the scraping device 4 in the middle part. With the center of rotation as the center of rotation, the middle sandwiching guide rod 10 that guides and transports the grain culm to the right stock source transfer device 7 with the center of rotation as the center of rotation, and the right and left stocks are provided on both upper and lower sides of the middle sandwiching guide rod 10. The middle upper guide rod 11 that guides to the device 7 and the transfer end portion are more advantageous than the middle upper guide rod 11. 3 of the lower guide rod 12 in which the short hidden
And the middle stock source transfer device 8 are transferred to the confluence section A in the upper rear part.

The left side portion is sandwiched and transported by the left stock source transporting device 6 and the left sandwiching guide rod, and is transported to the merging portion A in the upper rear part. The grain culms that have been sandwiched and transferred from the left and right side portions and the central portion to the merging portion A are further taken over by each device that performs the post-treatment process of the reaper 3, transferred to the upper rear portion, and supplied to the thresher. And threshed, and the threshed grains are supplied to the grain storage tank and temporarily stored.

[0010]

According to the invention described in claim 1, the grain culm transferred in the central portion is rotatable in the rear portion of the scraping device 4 in the central portion with the front end as the rotation center a. Middle clamping guide rod 10 for guiding and transferring the culm to the right stock source transfer device 7 for clamping and transfer.
The upper and lower guide rods 11 and 12 for guiding the grain culm to the right stock source transfer device 7 are provided on both upper and lower sides of the middle sandwiching guide rod 10, and the transfer end of the middle and lower guide rods 12 is further provided. By providing the part shorter than the middle upper guide rod 11, even when the transfer amount of the grain culms varies, the center sandwiching guide rod 10 rotates to reliably take over the grain culms. It Also, stagnation of grain culms at the takeover part is prevented,
It is possible to prevent clogging and prevent spillage of grain culms.

According to the second aspect of the invention, the grain culm transferred in the central portion has a sloping portion 9a having a sloping portion 9a in which a transfer end portion for guiding to the right stock source transfer device 7 is inclined in the transfer direction, and a front end portion. With the center of rotation as the center of rotation.
By providing a support shaft 9b for supporting the sliding movement in the left-right direction at the central portion in the front-rear direction of the middle stock source center holding rod 9, even when the transfer amount of the grain culms varies. ,
Since the lateral movement of the middle stock former center holding rod 9 is sensitively moved, the grain culm is well laterally moved in the takeover portion, and the grain culm is surely taken over, and the grain culm in the takeover portion is securely transferred. It is possible to prevent clogging. Further, since the inclined portion 9a is provided, the right stock source transfer device 7 and the transfer end inclined portion 9a are substantially parallel to each other, and the transfer to the right stock source transfer device 7 is favorably performed.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. A reaper 3 is provided in front of the traveling chassis 2 of the combine 1, and a plurality of scraping devices 4 for scraping the napped culms and a cutting blade for cutting the culms are provided in the front part of the reaper 3. The device 5 and the left, right, and middle stock source transfer devices 6, 7 and 8 for sandwiching and transferring the harvested culms to the confluence part A in the upper rear part are provided, and the middle stock center pinching rod 9 and the middle pinching guide rod 10 are provided. , And the middle upper and lower guide rods 11, 12 and the like. These left / right / middle stock yuan transfer devices 6, 7, and 8, the middle stock yuan center holding rod 9, the middle holding guide rod 10, the middle upper / lower guide rods 11 and 12 are mainly illustrated and described. To do.

Below the traveling chassis 2 of the combine 1, as shown in FIG. 8, is arranged a traveling device 13 in which a pair of left and right traveling crawlers 13a traveling on the soil surface are stretched, and above the traveling chassis 2. Is a configuration in which the thresher 14 is mounted. The mowing machine 3 on the front side of the traveling chassis 2 cuts the napped culms, which are transferred to the upper rear part by the reaping machine 3 and taken over by the feed chain 15a of the thresher 14 and the holding rod 15b. , Threshing while being pinched and transferred. The grains that have been threshed and have been sorted are temporarily stored in a grain storage tank 16 arranged on the right lateral side of the threshing machine 14.

On the front side of the traveling chassis 2, as shown in FIG. 8, a narrow guide 17 for separating the napped culm from the front end position.
a, and a plurality of grass bodies 1 depending on the number of crop culms to be cut
7b, a raising device 5a for raising raised culms, and a plurality of scraping devices 4 depending on the number of grain stalks cut by the grain stalk scraping transfer device 18 for scraping the raised grain culms. The cutting blade device 5 for cutting the inserted grain culm, the feed chain 15a of the threshing machine 14 for nipping and transferring the trimmed grain culm, and the nipping rod 1.
5b, a cutting machine comprising left / right / middle stock source transfer devices 6, 7 and 8 for nipping and transferring the stock side of the grain culm scraping transfer device 18 and head end transferring device 19 for nipping and transferring the tip side. Machine 3 is provided. The reaper 3 is configured to move up and down with respect to the soil surface by a hydraulically driven telescopic cylinder 20.

A support pipe rod 21b extending in the left-right direction is provided at the upper end of a support rod 21a inclined from the lower front portion to the upper rear portion of the reaper 3, and the support pipe rod 21b is provided on the upper side surface of the traveling chassis 2. The support device 21c is rotatably supported, and the reaper 3 is configured to rotate up and down with the support pipe rod 21b as the center of rotation by the operation of the telescopic cylinder 20.

In the grain culm transfer path formed by the grain culm scraping and transferring device 18 of the reaper 3, the grain culm to be cut and transferred is brought into contact with the grain culm to be supplied to the thresher 14. This is a configuration provided with a grain culm sensor 3a for detecting the presence or absence of The reaper 3 will be described with a five-row cutting illustrated. Each of the scraping devices 4 of the grain stalk scraping transfer device 18 of the slicing machine 3 has a grain scoop on the lower side as shown in FIGS. 1 to 8. A star wheel 4a for scraping is provided, and a scraper case 4c in which a belt 4b with a lug is installed is provided above the star wheel 4a.
Is provided. Two-sided scraping device 4 on both left and right sides
Is provided in a substantially C-shape in plan view, and the scraping device 4 for the central one row is provided.
Is a configuration in which the front portion in plan view is provided so as to be inclined to the left.

The grain-culm scraping transfer device 18 is shown in FIGS.
As shown in, a left stock source transfer device 6 that tilts to the upper rear is provided below the scraping case 4c of the scraping device 4 at the left end, and below the scraping case 4c of the scraping device 4 at the right end. Is provided with a right stock source transfer device 7 that tilts rearward and upward, and a middle stock source transfer device 8 that tilts rearward and upward is provided below the scraping case 4c of the central scraping device 4. Is.

In the left stock source transfer device 6, as shown in FIGS. 4 to 7, a left stock source transfer chain 6a is stretched, a left holding guide 22 is movably provided by a moving device 22a, and is further made of an elastic material. The upper left and lower guide rods 23a and 23b thus formed are provided. The two cropped culms that have been scraped by the two scraping devices 4 and 4 on the left side and mowed from the scraping devices 4 and 4 have the left stock source transfer chain 6a and the left holding guide rod 22. , And upper and lower guide rods 23a, 23b
By the above, it is configured to be taken over and sandwiched and transferred to the merging portion A in the upper rear part. The left holding guide 22 is configured to move to the left or right depending on the amount of cut culm that is taken over from the scraping devices 4 and 4.

The right stock source transfer device 7 has a right stock source transfer chain 7a stretched as shown in FIGS. 4 to 7, and is provided with a right holding guide rod 24 and a right auxiliary holding guide rod 24a. The right holding guide rod 24 has the structure of the moving device 2
4b is a structure provided so as to be movable. The two cropped culms that have been scraped by the two scraping devices 4 and 4 on the right side and mowed from the scraping devices 4 and 4 are the right stock source transfer chain 7a and the right holding guide rod 24. , And the right auxiliary sandwiching guide rod 24a, they are taken over and sandwiched and transferred to the merging portion A in the upper rear part. The right holding guide rod 24 is configured to move to the left or right depending on the amount of cut culm that is taken over from the scraping devices 4 and 4.

A middle grain culm transfer path 25 is formed between the central scraping device 4 and the right lateral scraping device 4. 1 to 7, the middle-stock-source transfer device 8 has a middle-stock-source transfer chain 8a stretched, a middle-stock-source center holding rod 9, a middle-holding guide rod 10, and a middle upper / lower guide rod 1.
1, 12, etc. are provided.

As shown in FIGS. 1 and 2, the middle holding guide rod 10 has a front end at a rear portion of the central scraping device 4 in the intermediate grain transfer route 25, with its front end serving as a center of rotation a. The support pin 26 is rotatably and axially supported. An intermediate support plate 10a is fixedly provided on the base side of the intermediate clamping guide rod 10, and a spring 26b is applied to the intermediate support plate 10a and the support plate 26a fixed to the support pin 26. The center clamping guide rod 10 has a front side formed in the front-rear direction and a rear side curved to the left along the right stock transfer chain 7a to form a right stock transfer apparatus. It is a structure provided to guide the cut culm to the right stock source transfer chain 7a of No. 7. Further, the middle sandwiching guide rod 10 has a structure in which the front end is used as a center of rotation, and the rear end side is provided so as to be movable back and forth according to the amount of grain culms transferred by a spring 26b.

As shown in FIGS. 1 and 2, the middle upper and lower guide rods 11 and 12 are positioned above and below the center sandwiching guide 10 in a side view, and in plan view from the right side of the center sandwiching guide 10. The middle lower guide rod 12 is located on the left side beyond the middle sandwiching guide 10 and is fixedly provided to the support plate 27, and the support plate 27 is attached to the receiving plate 27a with bolts and nuts. The transfer end part (tip part) of
It is configured to be shorter than the middle upper guide rod 11 by a predetermined length so as to guide the cut grain culm to the right stock root transfer chain 7a of the right stock root transfer device 7. The middle sandwiching guide rod 10, the middle upper / lower guide rods 11 and 12, the middle stock source transfer chain 7a, and the like take over the grain culm from the central scraping device 4 and the middle stock source center sandwiching rod 9 described later. Then, it is sandwiched and transferred to the merging portion A in the upper rear part.

The front end portion of the middle sandwiching guide rod 10 is rotatably provided with the center of rotation as the center of rotation, and the middle upper and lower guide rods 11 and 12 are provided on both upper and lower sides of the middle sandwiching guide 10. As a result, even when the transfer amount of the harvested grain culm varies, the middle sandwiching guide rod 10 rotates to reliably take over the grain culm. Also, stagnation of grain culms at the takeover part is prevented, clogging does not occur,
Furthermore, it is possible to prevent spillage of grain culms.

At the front part in the intermediate grain transfer route 25,
As shown in FIGS. 3 to 5, a structure in which a middle stock center pinching rod 9 is rotatably provided to a support pin 28a fixed to the support rod 28 with the front end as a rotation center B. Is. A support shaft 9 of a moving device 9c for supporting the movement is provided at a substantially central portion in the front-rear direction for moving the middle stock source center holding rod 9 to the left and right.
b is provided, and the middle stock former center holding rod 9 is provided so as to be movable left and right according to the transfer amount of a single cropped and transferred culm. Further, the transfer end portion (rear end portion) of the middle stock source center holding rod 9 is an inclined portion 9 inclined in the transfer direction.
a is provided, and the inclined portion 9a and the right stock source transfer chain 7a of the right stock source transfer device 7 are formed in a substantially parallel state.

The grain culms which are sandwiched between the scraping device 4 in the central portion and the middle stock origin center holding rod 9 and which are pinched and transferred to the rear upper part further include the middle stock source center holding rod 9 and The middle clamping guide rod 10, the middle upper / lower guide rods 11 and 12, and the middle stock source transfer chain 8a of the middle stock source transfer device 8 are taken over, and sandwiched and transferred to the merging portion A in the upper rear part.

The front end portion of the middle stock former center holding rod 9 is rotatably provided as a center of rotation B, and the inclined portion 9 is provided at the transfer end portion.
In addition to the provision of "a" and the supporting shaft 9b of the supporting device 9c for supporting the movement in the left-right direction, the transfer amount of the cut grain varieties fluctuates at the substantially central portion in the front-rear direction of the middle stock source center holding rod 9. Even at this time, the left and right movements of the middle stock former center holding rod 9 are sensitively moved to the left and right, so that the left and right movements at the rear take-over portion for taking over the grain culms are good, and the grain culms are surely taken over. At the same time, it is possible to prevent clogging of the grain culms at the takeover portion. Further, since the inclined portion 9a is provided, the right stock source transfer chain 7a of the right stock source transfer device 7 and the inclined portion 9a of the transfer end part are substantially parallel to each other. Is successfully transferred.

Above the left and right stock source transfer devices 6 and 7, a stock source adjustment transfer device 29 is provided as shown in FIG. 7 so that the handling depth can be adjusted. The tip transfer devices 19 are provided on both left and right sides of the left and right stock transfer devices 6 and 7 and the stock adjustment transfer device 29 at a predetermined distance above the upper position. At the transfer end portion of the tip transfer device 19, a supply transfer device 30 having a substantially triangular shape in a plan view is provided, and the supply transfer device 30 supplies extremely cold to the thresher 14, and the thresher 14
The feed chain 15a and the holding rod 15b are used to take over the grain culm.

On the front part of the threshing machine 14 side, as shown in FIG. 8, an operating device 31a for starting and stopping the combine 1 and adjusting each part, and an operator carrying out these operations are boarded. The cockpit 31b is provided in the operation room 32b formed by the operation room frame 32a. The engine 33 is mounted on the upper side surface of the traveling chassis 2 below the cockpit 31b, and at the rear part thereof. The grain storage tank 16 is provided. The traveling device 13, the reaper 3, and the thresher 14
And the engine 33 and the like form the machine body 1a of the combine 1.

A potentiometer type vehicle speed sensor for detecting the traveling vehicle speed based on its output is provided in the transmission path of the transmission mechanism in the traveling mission case 34 mounted on the front end of the traveling chassis 2. 34a is provided. At the rear side of the grain storage tank 16 that discharges the grains stored in the grain storage tank 16 to the outside of the machine, a discharge support cylinder 35 having a vertical transfer spiral 35a installed therein is rotatable in a substantially vertical posture. A discharge auger 36, which is mounted and provided, has a discharge spiral 36a that discharges grains to the outside of the machine, the entire length of which extends along the front-rear length of the combine 1, is expandable at the upper end of the discharge support cylinder 35. It has a configuration in which it is arranged in the lateral direction so that it can be turned up and down and turned left and right.

1 at the central portion of the reaper 3 for reaping 5 lines
The second raising device 5 from the right side that raises the grain culm of only the strip
On the upper and lower sides of the upper and lower raising cases 5c and 5c in which the chain 5b with raised lugs 5a is installed, the raising lugs of the chain 5b with raising lugs are the upper and lower raising cases 5c, On the non-acting side that does not protrude from 5c, as shown in FIG.
Also, as shown in FIG. 10, a guide plate 37 having a plurality of upper mounting portions 37a for guiding the grain culms upward and a horizontal mounting portion 37b are divided into a plurality of upper / horizontal mounting portions 37a, 37b.
Is fixedly provided.

As a result, the upper / lateral mounting portion 3 of the guide plate 37 is provided on both the upper side surface and the lateral side surface of the upper pulling case 5c.
By fixing and providing 7a and 37b, the load in the front-back direction applied when raising a grain culm can be fully received, and strength can be ensured. Also, a chain with rug 5
Since it is possible to eliminate the gap between the lug tip portion of b and the guide plate 37, it is possible to prevent straw, straw debris, and the like from being caught.

By the star wheel 4a of the scraping device 4 and the belt 4b with a lug, the left and right sandwiching guide rods 38, 39 are installed to take over the harvested culm that has been scraped and transported and clamp and transport it to the upper rear part. As shown in FIGS. 11 and 12, the front mounting plate 38a fixedly provided on the front end portion of the left holding guide 38 is attached to the lower side surface of the lower pulling case 5c of the pulling device 5a with bolts and nuts. In addition, the rear mounting plate 38b fixedly provided in the vicinity of the upper end is configured to be attached to the left transport frame 40a with bolts, nuts and the like. The left nipping guide 38 has a configuration in which a front portion in a side view is inclined rearward from a front end portion, and a rear portion is provided substantially parallel to an upper portion of a predetermined position of a belt 4b with a lug for scraping.

The right holding guide rod 39 has a front mounting plate 39 fixedly attached to the front end thereof as shown in FIGS. 11 and 12.
The a is attached to the lower side surface of the lower raising case 5c of the raising device 5a with bolts, nuts, and the like, and the rear mounting plate 39b fixedly provided in the vicinity of the upper end is the right transport frame 4
It is configured to be attached to 0b with a bolt, a nut and the like. The left holding guide 39 has a configuration in which a front portion in a side view is inclined rearward from a front end portion, and a rear portion is provided in a substantially parallel state to a predetermined position upper portion of the belt 4b with a lug for scraping.

As a result, it is possible to prevent the accumulation of straw and straw debris accumulated on the scraping case 4c of the scraping device 4, and also to prevent the upper and lower pulling cases 5c of the pulling device 5a.
The strength of 5c can be increased. Dustproof sheet 41
13 is a configuration provided between the upper portion of the reaper 3 and the connecting frame 42 at the front of the operating device 31a as shown in FIGS. Inside the dustproof sheet 41, a dustproof sheet guide 43 is provided above the passage to guide the dustproof sheet 41. The dustproof sheet guide 43 is formed of an elastic material, and the front (right end) is attached to the transmission case 44 or the like at the upper part of the reaper 3 with a bolt or the like, and the rear (left end) is fixed to the connecting frame 42. The mounting plate 42a is inserted into the long hole 42b of the mounting plate 42a to prevent the mounting plate 42a from coming off. The dustproof sheet guide 43 is shown in FIG.
As shown by, the long hole 42b is moved back and forth.
Further, when the reaper 3 is lifted, the dustproof sheet guide 43 is prevented from coming into contact with the operation chamber frame 32a as shown in FIG.

As a result, even when the reaper 3 is lifted, the dustproof sheet guide 43 supporting the dustproof sheet 41 can be prevented from coming into contact with the operation chamber 32a. It was possible to prevent the deformation. Moreover, the function of the guide can be sufficiently retained.

As shown in FIG. 16, the grain culm is taken over from the reaper 3 and is sandwiched and transferred to the feed chain 15a of the threshing machine 14 and the sandwiching rod 15b to be supplied to the front side of the threshing machine 14 as shown in FIG. The auxiliary transfer device 45 and the external auxiliary transfer device 46 are provided. The external auxiliary chain 46a for transferring the grain culms of the external auxiliary transfer device 46 is arranged at a predetermined angle from the transfer start end to the transfer end as shown in FIG. The upper portion has a substantially straight shape.

As shown in FIG. 16, the inner auxiliary transfer chain 45a for transferring the grains of the inner auxiliary transfer device 45 is arranged at a predetermined angle from the transfer start end to the transfer end, and is transferred. The upper portion, which is the action surface, has a configuration in which a substantially middle portion in the front-rear direction is raised and the front-rear portion is formed in a curved shape.

Since the transfer action surface of the external auxiliary transfer chain 46a of the external auxiliary transfer device 46 is formed in a straight shape, the stocker side is lowered in the posture of the transferred grain stems. A smooth attitude of supplying the grain culms to the machine 14 can be achieved. In addition, since the substantially intermediate portion of the transfer action surface of the inner auxiliary transfer device 45a of the inner auxiliary transfer device 45 is formed in a curved shape with a higher height, it approaches the supply transfer device 30 at the transfer end portion of the reaper 3 and By taking over the culms and thereafter taking over the culms to the feed chain 15a of the threshing machine 14 and the sandwiching rod 15b, the culms can be prevented from spilling by becoming substantially horizontal.
In addition, it is possible to take over smoothly. Further, the chain rail 47 that receives the inner auxiliary transfer chain 45a can be formed in a straight shape, and the configuration can be simplified.

The supply and transfer device 30 of the reaper 3, the outer auxiliary transfer chain 46a, the inner auxiliary transfer chain 45a, and the feed chain 15a are sequentially provided at higher positions, and the upper side of the transfer action surface of the outer auxiliary transfer chain 46a is provided. Has
This is a configuration in which a guide rod 48 is provided from the reaper 3. This guide rod 48 has an external auxiliary transfer chain 46 as shown in FIG.
Along with a, this external auxiliary transfer chain 46a,
After passing through the gap with the feed chain 15a, it is formed along the feed chain 15a, and the transfer end portion is bent.

Thus, the guide rod 48 is provided from the reaper 3 so that the guide rod 48 is continuous in the gap between the outer auxiliary transfer chain 46a and the feed chain 15a. By following the chain 15a, the grain culm can be stably transferred.
Further, by bending the end portion of the guide rod 48, the grain culm can be supplied from above the guide rod 48 during manual handling work, and manual supply can be performed without catching.

[Brief description of drawings]

FIG. 1 is an enlarged plan view of the middle sandwiching guide rod portion and the middle upper and lower guide rod portions.

FIG. 2 is an enlarged side view of the middle holding guide rod and the middle upper and lower guide rods.

FIG. 3 is an enlarged plan view of the middle stock former center holding rod.

FIG. 4 is an enlarged plan view of a part of the grain culm scraping transfer device section.

FIG. 5 is an enlarged plan view of a part of a grain culm scraping transfer device section.

FIG. 6 is an overall enlarged plan view of a part of a grain culm scraping transfer device section.

FIG. 7 is an enlarged side view of the reaper unit.

[Figure 8] Overall side view of the combine

FIG. 9 is a view showing another embodiment, and is an enlarged front view of the raising device portion.

10 is a view showing another embodiment, which is an enlarged cross-sectional view taken along the line AA of FIG.

FIG. 11 is a view showing another embodiment, and is an enlarged plan view of the mounting portion of the left and right holding guide rods.

FIG. 12 is a view showing another embodiment, and is an enlarged side view of the mounting portion of the left and right holding guide rods.

FIG. 13 is a view showing another embodiment, and is an enlarged plan view of a mounting portion of the dustproof sheet guide.

FIG. 14 is a view showing another embodiment, which is a side view of the entire combine of the attachment portion of the dustproof sheet guide.

FIG. 15 is a view showing another embodiment, and is a plan view of the entire combine of the attachment portion of the dustproof sheet guide.

FIG. 16 is a view showing another embodiment, and is an enlarged side view of the inner / outer auxiliary transfer device portion.

[Explanation of symbols]

2 vehicle chassis 3 reaper 4 scraping device 5 Cutting blade device 6 Left stock transfer device 7 Right stock source transfer device 8 Medium share former transfer device 9 Middle stock former center pin rod 9a inclined part 9b support shaft 10 Middle clamping guide rod 11 Nakagami guide rod 12 Middle lower guide rod A confluence section B center of rotation Rotation center

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Claims (2)

[Claims] 1. A plurality of scraping devices 4 for scraping napped culms on a front part of a reaper 3 provided on the front side of a traveling carriage 2, a cutting blade device 5 for cutting grain culms, and a cutting culm on the rear side. In a combine provided with left, right, and middle stock source transfer devices 6, 7 and 8 for nipping and transferring to the confluence part A, medium grain culm formed by the right stock source transfer device 7 and the middle stock source transfer device 8. In the feeding path 25, the middle pinching guide rod 10 for guiding and pinching and transferring the grain culm to the right stock source transfer device 7 while being rotatable about the front end at the rear part of the scraping device 4 in the central part, with the front end as the center of rotation. And a guide pin 10 for holding the inside.
A middle upper guide rod 11 for guiding the grain culm to the right stock source transfer device 7 and a middle lower guide rod 12 having a transfer end portion shorter than the middle upper guide rod by a predetermined length. Combine stock transfer equipment. 2. The medium grain culm transfer path 25 includes an inclined portion in which a front end portion is rotatable about a rotation center (b) and a transfer end portion which guides the grain culm to the right stock source transfer device 7 is inclined in the transfer direction. A middle stock origin center holding rod 9 having 9a is provided, and a support shaft 9b for supporting the movement in the left-right direction is provided at a substantially central portion of the middle stock origin center holding rod 9 in the front-rear direction. The combine stock source transfer device according to claim 1.