JP3364052B2 - Combine grain culm conveyor - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine cereal culm conveying apparatus, and more particularly to a combine corn culm conveying device which conveys a large amount of cereal culm smoothly and smoothly. The present invention relates to a combine culm conveying device that can be transferred to a cereal culm carrier. 2. Description of the Related Art Conventionally, grain stalks harvested by a cutting blade are clamped and conveyed by a conveying chain arranged in an inverted C-shape from above the cutting blade to the rear, and formed at both ends of the conveyance. A cereal culm conveying device in which the culm is conveyed to a rear cereal culm conveying body after being merged at a confluent portion is already known in Japanese Patent Application Laid-Open No. Hei 5-115212. And the transport chain of the above-mentioned grain culm transport device is generally configured by providing projecting claws for grain culm engagement at the same height on inner and outer chain plates opposed to the upper and lower stages, and between the upper and lower chain plates. A holding rail is formed along the conveying direction by forming a holding rail along the conveying direction, and the protruding claws of the two conveying chains are arranged so as to be close to each other so as not to come into contact with each other at the junction. However, since the grain culm conveying device as described in the above publication is provided with protruding claws of the same height on each chain plate of the convey chain, and is arranged so as to face the protruding claws of the right and left conveying chains at the confluence, The multi-row cutting combine, in which grain stems are cut and transported in large quantities, has drawbacks such as clogging of the root of the stock at the confluence and large transport resistance.
Therefore, in order to cope with a large amount of confluent grain culm, if an attempt is made to widen the interval between the two conveying chains at the confluence, when a small amount of cereal culm is fed in a thin layer at the beginning of cutting and at the end of cutting, the pinching force or Is accompanied by culm spillage and culm displacement due to lack of transport engagement action, causing irregularities in the base of the stock,
There is a problem that the spilled stalks stagnate, causing troubles such as clogging during transportation. SUMMARY OF THE INVENTION The present invention has been made in view of the above situation and has been made to solve the conventional drawbacks. Even if it is transported in large quantities to the transport chain, or even when a small amount of cereal culm is transported in a thin layer, such as at the beginning or end of mowing, it can be easily and accurately engaged to prevent trouble such as spilling of culm. It is an object of the present invention to provide a combine culm conveying device that can be combined and conveyed while being transferred to a rear cereal culm carrier. [0004] In order to solve the above problems, the technical means adopted by the present invention is to transport the harvested grain culm rearward by a transport chain arranged on the left and right, and from one transport chain to the other. In the grain culm conveying device of the combine to convey and convey the conveyer chain through the merging section, while forming at least one chain plate of the chain plate constituting the right and left conveying chain is connected with a high claw plate and a low claw plate, The other transport chain is attached to the high claw plate
Flat plate and low plate with flat plate
It is characterized by being formed so as to be connected and engaged with the root portion of the harvested grain culm with the high claws of the high claw plate provided on the transport chain to convey the combined. Therefore, according to the present invention, the grain stalks harvested by the cutting blades are pinched and conveyed rearward by the right and left conveying chains, and conveyed to one of the conveying chains at the junction where the grain is rearward. It is transferred to the culm carrier. At this time, the root portion of the grain stem to be merged is accurately engaged with the high nail plate having the high nails arranged at a sparse interval in the widely formed junction, and the low nail plate having the low nail is provided. , And smoothly joins and conveys while preventing culm spillage and the like. An embodiment of the present invention will be described in detail with reference to the accompanying drawings. In FIGS. 1 and 2, A is a multi-row cutting combine, in which a cutting unit 2 is supported in front of a machine base 1 having a traveling device 1 a so as to be able to move up and down. Transports the grain stalks cut in
A threshing unit 3b provided with a feed chain 3 for threshing at the stage is mounted. Further, a driver's seat 1b is arranged on a side between the reaper 2 and the threshing unit 3b. The reaping unit 2
A support frame 2a is supported by a hydraulic cylinder so as to be able to move up and down and supported by a hydraulic cylinder so as to be vertically rotatably supported on a column 1c standing upright in front of the machine base 1, and is configured in front of the support frame 2a. , 20,..., A herbaceous plant 2 for raising four rows of planted cereal stems on the cutting frame 2 b to be cut
, 21 and the cutting blade 4 are provided. Further, above the cutting blade 4, the star wheels 22, 22... On the root side of the stock for squeezing and guiding the grain culm and the squeezing belts 23, 23,.
In addition to raising and cutting two pairs of planted grain culm as a pair, the grain culm squeezed and conveyed from each pair of left and right squeezing paths is transport chain 5, 5 ′ on the stock base side. In addition, it is conveyed to a deep conveying body 7 disposed rearward through a vertical conveying path including conveying tines 6, 6 'on the stem side. The handling transport 7 is provided obliquely between the end of the transport chain 5 and the start of the feed chain 3. The transport 7 is connected to a stock-side transport 70 of a clamping chain transport system and a tine. The head-side transfer body 71 of the transfer system is integrally framed with the transfer frame 7a, and the rear portion of the transfer frame 7a is rotatably supported by a transmission shaft 1d which is the same fulcrum as the support frame 2a. The handling depth can be adjusted by moving the front side up and down in accordance with the distance. A holding rail 72 and a culm guide 73 are provided on the conveying path side of the stock side carrier 70 and the tip side carrier 71, and the two members 72 and 73 are connected to the carrier frame 7a.
A transport path is formed by attaching the support rod 7b extending upward from the right side of the support rod 7b so as to detour in an inverted U-shape. The rear end of the culm receiving rod 8 provided on the side of the conveying frame 7a is connected to the transfer section K of the conveying grain culm formed by the end portion of the stock side conveying body 70 and the starting end of the feed chain 3. The feed rod 3 extends toward the start end of the feed chain 3, and
The rear end portion of the culm push rod 9 attached to the mounting bracket 75 that supports the holding rail 72 and is fixed to “b” extends so as to extend along the transport surface at the start end of the feed chain 3. [0009] As described above, the combine A of four-row cutting that constitutes a series of transport paths is provided with two pairs of raising devices 20, 20 in the left and right sides of the cutting width as the machine runs, so that two rows of grain are combined. After raising the culm row, the root side of the grain is cut by the cutting blade 4 in the process of inducing the grain culm to be squeezed by the star foil 22 and the squeezing belt 23 which are the pair located behind the culm,
The transfer chains 5, 5 'and the transfer tines 6,
It is conveyed backward from the left and right transfer paths formed by 6 '. The left and right transfer paths are formed in an inverted octagonal shape in plan view so as to converge rearward from both sides of the cutting width, and clamping rails 5a, 5a are provided opposite to the transfer surface side. At the confluence G, the cultivated culm is joined at the base of the stock to the right conveying chain 5 side, and is transferred to the stock base side carrier 70 of the deep handling body 7 located above and conveyed backward. Is done. The culm length of the grain culm conveyed by the above-described handling conveyor 7 is detected by an appropriate culm length detection mechanism (not shown) during the conveyance, and the detection signal is used to move the handling conveyor 7 to the transmission shaft. 1d is adjusted to an appropriate handling depth by rotating up and down with the fulcrum as a fulcrum.
From the feed chain 3, and supplied to the handling chamber 3a at an appropriate handling depth by the rotation of the feed chain 3, and is threshed in the process of passing through a handling opening (not shown). That is, as shown in FIG. 3, when the culm length is short, the deep handling body 7 is in the deep handling state E in which the front side is rotated downward, and the grain culm is clamped on the base side. When the threshing is performed at an appropriate handling depth and the culm length is long, the shallow handling state F is rotated to the opposite direction to the above, and the ears are clamped at the appropriate handling depth. Threshed. [0011] In the cereal culm conveying device that performs a series of cutting and conveying as described above, the conveying chain 5, which forms a transfer route,
5 ', the chain plate is formed as an endless belt by alternately connecting a high claw plate 50 and a low claw plate 51 with a pin roller (connecting pin) 52, as shown in FIGS. The transport chain 5 includes a drive shaft 5b and a floating shaft 5
c, 5d, and the transport chain 5 'on the left has a shorter transport length than the drive wheel 5e and the idler wheels 5f, 5f.
g, and is driven so that the end of the left transport chain 5 ′ faces the middle of the end of the right transport chain 5, thereby forming a junction G between the two.
Reference numerals 5h and 5k denote auxiliary clamping rails at the junction G. And the high claw plate 5 of both transport chains 5, 5 '
0 and 50 are made to contradict each other in a plan view at the merging portion G and are overlapped so that the tip trajectories overlap each other, so as to widen the space between the merging paths formed between the trajectories of the opposing low claw plates 51 and 51, A large amount of grain stems can be easily received, and during this time, the high nails 50a of the high nail plate 50
To prevent culm leakage and culm deviation even when small grain culms generated at the beginning and end of mowing are conveyed in a thin layer and stalked properly. It can be conveyed together. That is, as shown in FIG. 4, the transport chains 5, 5 'in the embodiment are composed of an inner plate 55 and an outer plate 5.
6 are alternately combined and arranged in the upper and lower stages via a pin roller 52 and connected to each other. The clamping rail 5a is provided opposite to the pin roller 52. Of the above-mentioned plates, the inner plate 55 is formed on the low claw plate 51 having the standard height of the low claw 51a, and the lower outer plate 56 is approximately twice as high as the low claw 51a. High nail plate 5 having high nail 50a
It is set to 0. The high-claw plates 50 are arranged at sparse intervals at an appropriate number of pitches, and the upper outer plate 56 opposed thereto is formed as a flat plate 57 having no claw, thereby reducing the weight of the transport chains 5, 5 '. While promoting
A large clamping space is formed between the low claws 51a on both sides above the high claws 50a, and the base portion of the stock is formed by the high claws 5a.
At 0a, it is possible to engage precisely and prevent culm spillage, etc., and to smoothly and smoothly join and transport without damaging the root of the stock. In addition, the two transport chains 5,
High nail 50 of high nail plate 50, 50 provided on 5 '
Since a and 50a are opposed to each other at the merging point G so that they do not conflict with each other, they are not forcibly clamped so as to crush the stock in the clamping space, and the transport performance is improved with the transport resistance reduced. Can be done. In the above embodiment, the high claw plate 50 and the low claw plate 51 are respectively provided on the chain plates constituting the right and left transfer chains 5, 5 '.
The arrangement of the high claws 50a is not limited to this, and the high claws 50a are provided on one of the left and right transport chains 5, 5 'on one of the chain plates. Further, it is not necessary that the tips of the high claws 50a face each other so as to be inconsistent with each other at the merging point G, and the point is that the claw 50a may be arranged so as to accurately engage the root of the harvested grain culm. As is apparent from the above description, according to the present invention, the grain culm conveyed by the right and left conveying chains is formed by the confluence formed by the high claws provided at sparse intervals. In this method, the base portion can be securely clamped by the low-claw plate while being properly engaged with the high claw, so that a large amount and a small amount of cereal stems can be smoothly conveyed and conveyed. Since the high claws are provided on one of the outer plates in the upper and lower stages at low intervals, the holding space formed by the low claws located on both sides of the high claws can be widened, and a large amount of grain culm can be obtained. The flat plate is opposed to the high-claw plate, so that the holding space is widened and the high-claw With the stalks Can be satisfactorily engaged and conveyed.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall side view of a combine. FIG. 2 is a plan view of the combiner. FIG. 3 is a side view for explaining the operation of a handling carrier. FIG. 4A is a perspective view of a transport chain. Figure (B) is a plan view of the same. (C) is a side view of the same. [Description of References] 5,5 'Conveying Chain 50 High Claw Plate 50a High Claw
51 Low nail plate 51a Low nail 55 Inner plate 56
Outer plate 57 Flat plate

Continuation of the front page (56) References JP-A-5-115212 (JP, A) JP-A-55-148017 (JP, A) JP-A-57-107338 (JP, U) JP-A-55-94744 (JP, A) , U) Japanese Utility Model Showa 62-186617 (JP, U) Japanese Utility Model Showa 49-744 (JP, Y1) (58) Fields investigated (Int. Cl. ⁷ , DB name) A01D 57/00 A01D 61/00- 61/04

Claims (1)

(57) [Claims 1] A combine which transports a harvested grain culm backward by a transport chain arranged on the left and right, and merges and transports from one transport chain to the other transport chain via a junction. In the grain culm conveying device, at least one chain plate of the chain plates constituting the left and right conveying chains is connected and formed by a high nail plate and a low nail plate, and the other
The transport chain has a flat plate opposite to the high claw plate.
And the flat plate and the low-claw plate are connected and formed, and the high-claw of the high-claw plate provided on the transport chain engages the root portion of the harvested grain culm so as to be conveyed together. Combine grain culm conveyor.