JPH10229735A - Cereal stalk conveyer for threshing device of combine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cereal stalk conveyer for improving threshing performance by speedily discharging completely threshed waste straw by creating a conveying state matching the characteristics of threshing operation to be almost completed at the first half part of handling barrel. SOLUTION: In the configuration of plural feed chains 2, in order to match the conveying function of respective feed chains 2a, 2b and 2c with a threshing function, the group of plural supply side feed chains is provided along with the first half part of handling barrel, and a final discharge side feed chain to pile a start terminal part at the almost center part of position facing the handling barrel is successively provided at the end terminal part of supply side feed chain group at the latter half part of handling barrel. Further, respective driving input system are separated independently and when setting conveying speed at the first half part and latter half part of handling barrel, the conveying speed of final discharge side feed chain at the latter half part is set higher than the conveying speed at the first half part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grain threshing apparatus for a combine threshing apparatus, which is provided with a feed chain for grain grain transportation.

[0002]

2. Description of the Related Art Conventionally, there is one type from a supply side to a discharge side.
Since the feed chain is constituted by a book feed chain, the feed chain is long and the transport speed must be kept constant. The feed-side feed chain and the outlet-side feed chain are partly divided and the feed side is made slower than usual speed, as seen in part in the example of Japanese Utility Model Application Publication No. There is something aimed at.

[0003]

Although the threshing action by the handling cylinder is essentially completed in the first half of the handling cylinder, and the latter half of the function is mainly for discharging the culm after threshing, the conventional threshing function is not performed. In the configuration, since the conveyed material is transported at a constant speed from supply to discharge, the culm after threshing is completed cannot be quickly discharged, and is discharged at a constant speed, which hinders improvement in threshing performance.

Further, in the conventional structure, the feed chain is so long that it tends to pulsate due to its long length, causing noise and abrasion of the chain and the chain guide. The present invention has been made to solve the above problems,
It is an object of the present invention to provide a grain culm conveying apparatus capable of improving the threshing performance by creating a grain culm conveying state corresponding to a threshing function by a handling cylinder.

[0005]

According to the present invention, there is provided a grain culm conveying apparatus comprising a plurality of feed chains, wherein the feed chains are provided at a position opposed to a front half of a handling drum. A final discharge-side field which is constituted by a plurality as a group and has a terminal end and a start end of the supply-side feed chain group superposed and connected at a position facing a substantially central portion of the handling cylinder.
It is composed of Dochen.

In this configuration, the drive input systems for the feed side feed chain group and the final discharge side feed chain are separated and independent, and the feed side feed chain group is set at a conveying speed corresponding to the amount of grain culm supplied. However, since the transport speed of the feed chain on the final discharge side was set to be higher than that, the transport speed corresponding to the supply of grain culm was created at the position facing the first half of the handling cylinder, and threshing was almost completed. At the position facing the rear half of the completed handling cylinder, the final discharge side feed chain quickly discharges the culm at a higher transport speed, thereby realizing a more effective threshing action.

Further, the first feed chain of the supply side feed chain group having the above structure is disposed on the handling room side in plan view, and the second feed chain connected in the middle is disposed outside. Further, since the final feed-side feed chain is arranged on the handling room side, the crossing angle of the vertical feed chain and the first feed chain of the mowing / transporting part becomes gentle, and the inheritability of the grain culm is improved. Also, the intersection angle between the feed chain on the final discharge side and the straw chain becomes gentle, so that the inheritance of the straw is good.

Further, since the feed chain is constituted by a plurality of feed chains, the chain length can be made shorter than that of the conventional single feed chain, pulsation can be avoided, and noise for pulsation and the chain and chain guide can be reduced. Wear can be prevented.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A conveying device in a threshing apparatus according to the present invention comprises a plurality of feed chains, of which a plurality of feed chains are provided along a front half of a handling cylinder. Set the same speed group, set only the final discharge side feed chain along the second half of the handling cylinder at a higher speed,
A transport state that matches the characteristics of the threshing action is created.

[0010] It is configured as a grain culm conveying device in a combine threshing device in which a feed chain for conveying cereal culm is arranged along one side of a handling room equipped with a handling cylinder from a supply side to a discharge side. Things.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. In FIG. 1, (1) is a multi-row cutting combine equipped with a grain culm conveying device (20) according to the present invention;
A handle (23) and a threshing device (6) equipped with a sorting mechanism are mounted on a frame (4) provided with a traveling device (3) of a crawler type, and the frame (4) is provided. A mowing device (5) composed of a raising device and a cutting blade and the like is connected in front of the machine, and an operator's seat (8) and a Glen tank (9) are arranged on the other side of the threshing device (6). I have.

The grain culm conveying device (20) shown in FIG. 1 is a front drive sprocket (12) mounted on a threshing input shaft (32) belt-driven by a transmission in FIGS. 2 and 3.
And is forcibly driven by a driving sprocket (13) after being mounted on a PTO shaft (35) projecting from a driving case (21) transmitted from a handle shaft (34) by a belt transmission mechanism (not shown) to a driving case (21). A feed chain (2) and a pinching rail (10) provided on the upper side of the feed chain (2) are conveyed from the reaper (5) in FIG. The grain culm is taken into the threshing device (6), and has a function of promoting the threshing action while conveying the culm in the axial direction of the handling cylinder (23), and discharging the culm after threshing.

In FIG. 2, the pinching rail (10) is the first
It is composed of a clamping rail (10a), a second clamping rail (10b) and a final discharging side clamping rail (10c).
It is configured to be able to rotate up and down with the hinge (15) as a fulcrum integrally with 4).

On the other hand, the threshing action of the handling cylinder (23)
In the first half, the culm is almost completed, and the second half acts mainly to discharge the culm that has been treated. Focusing on this point, in the present invention, the feed chain (2) is used in the embodiment to create a feed state of the grain stalk corresponding to the threshing and discharging actions, and the feed chain (2a) of the feed side feed is used in the embodiment. 2nd field
A feed-side feed chain group consisting of a feed chain (2b) and a final discharge-side feed chain (2c) for the discharge side conveyance.

In addition, the end of the feed side feed chain group comprising the first feed chain (2a) and the second feed chain (2b) and the start end of the final discharge side feed chain (2c). Are arranged so as to be overlapped at a substantially central part of a position facing the handling cylinder (23), and a transport state corresponding to the first half of the handling cylinder (23) and a transport state corresponding to the second half of the handling cylinder (23) are divided.

The first feed chain (2a) and the second feed chain (2a) in order to smoothly carry out the threshing function of the handle cylinder (23) in the transporting state of the front half and the rear half of the handle cylinder (23). -The feed-side feed chain group consisting of the feed chain (2b) is set to the same conveying speed system, set at an appropriate speed for threshing action corresponding to the supply amount of grain culm, and the conveying speed of the final discharge side feed chain (2c). Was set at a speed higher than the feed speed of the feed-side feed chain group, and it was possible to quickly discharge the culm after it had been handled.

The first feed chain (2a), the second feed chain (2b) and the final discharge side feed chain (2c) are supported and guided by an attached chain guide (16). Is the first chain guide (16a) and the second chain guide
(16b) and the final discharge-side chain guide (16c), and is integrally formed with the handling room side plate (17), and is integrally formed with each feed chain using the rotation shaft (18) as a rotation fulcrum. It can be opened horizontally.

An idling roller (19) is supported at the front end of the first chain guide (16a), and (22) is a spring.
A tension roller energized by (25), wherein (30)
Is a double sprocket having the same diameter, and (11) is an intermediate roller having two components. The first feed chain (2a) is supported by a first chain guide (16a), and has one side of an idling roller (19), a tension roller (22), a double sprocket (30) and a front driving sprocket (30). 12) The second feed chain (2b) is supported by a second chain guide (16b).
A tension roller (31) biased by a spring and the other side of the double sprocket (30) and an outer intermediate roller (11).
And is hung around. The final discharge-side feed chain (2c) is supported by a final discharge-side chain guide (16c), and a tension roller (24) urged by an inner intermediate roller (11) and a spring (26). And a rear drive sprocket (13).

Reference numeral (27) denotes a clamping rail supporting rod, which includes a first clamping rail (10a) and a second clamping rail by a spring-loaded urging rod (28).
(10b) and a pinching rail (10) comprising a final discharge side pinching rail (10c) are resiliently pressed against the feed chain (2) side,
The gap between the pinching rail (10) and the feed chain (2) is varied depending on the thickness of the supplied cereal stalk layer to maintain an appropriate pressing force.

Referring to FIG. 3, the first feed chain (2a), the second feed chain (2b), and the final discharge side feed chain (2).
Explaining the arrangement configuration in c) in plan view, in the embodiment, the first feed chain (2a) is disposed on the handling room side,
The feed chain (2b) was disposed on the outside, and the end of the first feed chain (2a) and the start of the second feed chain (2b) were overlapped and connected. Also, the final discharge side feed chain (2c) is disposed on the handling room side like the first feed chain (2a), and the terminal end of the second feed chain (2b) and the final discharge side feed chain (2c). ) Was superposed and connected at the beginning.

As a result, the vertical transport chain (33) of the reaper transport section
And the first feed chain (2a) has a gentler intersection angle at the inherited portion, thereby facilitating the inheritance of the grain culm. Similarly, the crossing angle at the succession section consisting of the feed chain (2c) on the final discharge side and the straw chain (29) is also gentle, creating smooth straw inheritance. Further, by arranging the second feed chain (2b) on the outer side of the handling room side, the position where the cereal stalk is pinched becomes far from the center position of the handling drum diameter, as compared with the case where the pinching position is approached. As a result, the tip side of the cereal stalk layer was easy to move and the threshing ability was improved.

[0022]

The present invention is embodied in the form described above and has the following effects.

In a feed chain composed of a plurality of feed chains, the feed-side feed chain group and the final discharge-side feed chain are overlapped and arranged approximately at the center of the position opposite to the handling cylinder, so that they can be handled. The threshing action that is almost completed in the first half of the torso, and the transport of grain culm that matches the draining action of the culm that has been handled in the second half can be created, making the function of the handling cylinder effective and smooth. You can do it.

[0024] In addition, since the transport speed of the final discharge side feed chain is set to be higher than the transport speed of the feed side feed chain group, the exhausted culms which have been handled are discharged at a higher speed than the supply side. Therefore, the rotation of the culm was small, the power consumption was reduced, and the threshing performance was improved.

Furthermore, by setting the transport speed of the final discharge feed chain higher than the feed chain group on the supply side, the transport state of the grain stalk layer becomes coarser on the discharge side than on the supply side, and the culm is stuck on the discharge culm. Grain could be reduced.

At the same time, since the culms are quickly discharged,
After the handling, the culm was not hit more than necessary by the teeth and the generation of dust was reduced.

Since the first feed chain (2a) and the final discharge side feed chain (2c) are disposed on the handling room side, the vertical feed chain (33) and the straw chain (29) of the reaping / transporting section are connected. Succession of culm and waste straw can be performed smoothly.

Since the second feed chain (2b) is arranged outside of the handling room side, the position where the cereal stem is pinched is far from the center position of the handling drum diameter, as compared with the case where the pinching position is close. As a result, the tip side of the cereal stalk layer became easier to move, and it was more susceptible to the hammering action of the tooth handling and improved the threshing ability.

By forming a plurality of feed chains from the conventional one feed chain, the length of each feed chain can be shortened, and pulsation of the feed chain can be suppressed. Noise and abnormal wear were reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view of a combine according to an embodiment of the present invention.

FIG. 2 is a side view of an embodiment according to a main part.

FIG. 3 is a plan view of an embodiment relating to a main part.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Combine 2 Feed chain 2a 1st feed chain 2b 2nd feed chain 2c Final discharge side feed chain 5 Cutting device 6 Threshing device 10 Clamping rail 11 Intermediate roller 12 Front drive sprocket 13 Rear drive sprocket 19 Idling roller 20 Grain stalk transport device 29 Drainage chain 33 Vertical transport chain

Claims (5)

[Claims] 1. A combine comprising a plurality of feed chains for conveying culms from one side to a discharge side on one side of a handling chamber having a handling cylinder therein, the portion being opposed to the front half of the handling cylinder. A plurality of feed chains as feed-side feed chains, and a final discharge-side feed chain connected to the rear end of the feed cylinder and connected to the end of the feed-side feed chain group. A grain culm conveying device characterized by comprising: 2. The grain culm transport according to claim 1, wherein the feed-side feed chain end and the start end of the final discharge-side feed chain are superimposed and connected substantially at the center of the cylinder position. apparatus. 3. The drive input system, wherein the supply side field
2. The grain culm conveying device according to claim 1, wherein the drive input system of the chain and the drive input system of the final discharge side feed chain are separated and independent. 4. The feed-side feed chain group is configured to set a transport speed corresponding to the amount of grain culm supplied, and to set the transport speed of the final discharge-side feed chain higher than the transport speed. 4. The grain culm conveying device according to 3. 5. The feed-side feed chain group and the final discharge-side feed chain are arranged in a plan view, and the feed-side first feed chain and the final discharge-side feed chain are arranged in a first direction.
2. The grain culm conveying device according to claim 1, wherein the feed chain and the final discharge side feed chain are arranged on the handling room side, and the supply side second feed chain connected in the middle is arranged outside.