JPH10113050A - Grain culm carrying device for combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a take-over position with a feed chain start end part for delivering carried grain culms be accurate and to perform accurate delivery. SOLUTION: A threshing device 1 is constituted in a so-called feed chain open type provided with a feed chain 4 whose carrying start end part side is pivotally attached and supported to the threshing device 1 or a traveling car body and carrying terminating end part side is turned to the direction of being separated outwards from the threshing device 1 and a plant foot guide for making the start end part of the feed chain 4 take over cut grain culms from the terminating end part of the carrying and supplying device 5b of a cutting pre-processor is fixed to an attachment member 7 on the side of the feed chain 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine grain conveying device for combine and belongs to the technical field of agricultural machinery.

[0002]

2. Description of the Related Art Conventionally, a combine grain conveying device of a combine has
In order to transfer the transported grain culm from the terminal part of the grain culm transport device that constitutes the pre-cutting device to the feed chain of the threshing device,
A stock guide was provided. And the stock guide is
The root of the delivered cereal culm, which is attached to the pre-cutting device side and reaches the end of the cereal culm transport device, is guided so as to straddle the feed chain and passed on to the feed chain. .

[0003] The grain culm transport device is configured to move up and down, left and right in relation to the adjustment of the handling depth in the threshing device and the cutting slide on the cutting device side.

[0004]

As described above, the grain stalk transporting device constituting the conventional pre-cutting device is configured to move and adjust up and down, left and right, and is fixed to the device. The stock guide will also move together. Then, the stock guide will give the field
There was a problem that the delivery position with the beginning of the Dochien was out of order and accurate delivery was not possible.

Further, in a feed chain open-type threshing apparatus in which the feed chain is rotated outward for the purpose of facilitating maintenance, the stock guide guide interferes with the open-rotated feed chain. Collision and bending.

[0006]

The present invention takes the following technical means in order to solve the above-mentioned problems. That is, in a combine constructed by supporting a pre-cutting device 3 in front of a traveling vehicle body 2 on which the threshing device 1 is mounted, the feed chain 4 of the threshing device 1 is configured such that the feed start end side is the threshing device 1 or The transporting end portion side is pivotally supported on the traveling vehicle body 2 so that the transport end portion side can rotate outward away from the threshing device 1, and the grain culm transport device 5 constituting the cutting pretreatment device 3
The stock guide 6 for transferring the stock of the transported culm from the end of the feed chain 4 to the beginning of the feed chain 4
This is a combine grain conveying device configured to be fixed to the side mounting member 7.

[0007]

Embodiments of the present invention will be specifically described below with reference to the drawings. First, the configuration will be described. The traveling vehicle body 2 is configured such that a crawler 8 molded from a rubber material is wound around a driving sprocket 9 and a plurality of idler wheels 10, so that the traveling vehicle 2 can travel without sinking not only in a dry field but also in a wet field. And threshing device 1
Is equipped with a feed chain 4, a handling chamber with a handling cylinder mounted on the upper side, a sorting chamber on the lower side, and mounted on the traveling vehicle body 2 as a configuration for threshing and sorting the supplied harvested grain culms. ing.

The feed chain 4 has a transport start end attached to a vertical support shaft 11 provided on the traveling vehicle body 2, and a transport end side pivots in a direction away from the threshing device 1 (this specification). In this regard, this configuration is referred to as a "feed chain open"). Next, the pre-cutting device 3 pivotally connects a rear portion of the cutting frame 13 extending forward and downward to a support base 12 provided at a front portion of the traveling vehicle body 2 so as to be freely rotatable. The mowing device 14 and the grain culm transporting device 5 are mounted on the drum 13. That is, the pre-cutting treatment device 3 includes a cereal stem weeding rod 15 at the lower front end, a cereal stem raising device 16 having an inclined shape behind it, a reaper 14 at a lower rear portion thereof, and The grain stalk conveying device 5 is arranged from the vicinity of the device 14 so as to face the starting end of the feed chain 9 and is attached to the cutting frame 13 so as to be able to transmit.

The culm conveying device 5 is provided with a reaper 14.
And a supply / conveyance device 5b arranged behind and provided with a configuration capable of adjusting the handling depth. Thus, the grain stalks mowed by the reaper 14 are conveyed by the scraping conveying device 5a in the front part, passed from the terminal part to the supply conveying apparatus 5b, further conveyed to the upper rear part, and from the terminal part. Feeder of threshing device 1
It is configured to be handed over to the dochien 4 and conveyed.

[0010] The stock guide 6 is provided with
b, which is located between the terminal end of the feed chain 4 and the starting end of the feed chain 4, and has a function of guiding the root of the inherited grain culm at the terminal end of the feeder 5b so as to straddle the start end of the feed chain 4. And is fixed to the mounting member 7 on the feed chain 4 side. In this way, Stock Guide 6
As shown in FIG. 1, the feed chain 4 is fixed to the mounting member 7 on the feed chain 4 side.
Is not changed, and when the feed chain is opened, it rotates integrally with the feed chain 4.

Another Embodiment 1 Next, another embodiment 1 will be described with reference to FIGS. Another embodiment 1 is to provide a configuration in which the connecting rod 51 that interlocks with the supply conveyance device 50 in the configuration of the mowing slide is disposed at a position avoiding the cereal culm conveyance passage 52 without interfering with the conveyance cereal stem. Things.

The cutting slide frame 53 includes a cutting frame.
The transmission frame 56 is supported by a support member 55 fixed laterally to the front of the frame 54 so as to be freely slidable in the left-right direction. A sliding shaft 57 is supported in the transmission frame 56, and has a bevel gear 6 meshed with a bevel gear 59 mounted on an end of the mowing transmission shaft 58 at an intermediate position.
0 is fitted in a loose fit state, and is configured to be freely slidable and capable of transmission only. On one side, a driven transmission bevel gear 61 and a mowing drive bevel gear 62 are axially mounted, and on the other side, a transport transmission bevel gear 62 is mounted. The bevel gear 63 and the mowing drive bevel gear 64 are mounted on the shaft.

The raising transmission shaft 65 is provided with a raising gear 66 meshed with the raising transmission bevel gear 61 at a lower portion thereof, and is extended upward to transmit the grain stem raising device. The transmission transmission shaft 67 is housed in a transmission cylinder 68 fixed to the transmission frame 56, and a transmission bevel gear 69 mounted on the lower end thereof is meshed with the transmission transmission bevel gear 63. Grain stalk conveying device 70 for scraping cereals through 69
Is transmitted.

As the slide cylinder 71, a double-acting hydraulic cylinder is used. One end (the end of the cylinder) is connected to the fixed cutting frame 54 and the other (the end on the piston side). ) Is connected to the transmission cylinder 68 on the slide side, and is configured to expand and contract by alternately supplying oil to the left and right cylinder chambers. Therefore, the mowing slide frame 53 is configured to slide left and right with respect to the traveling vehicle body when the slide cylinder 71 expands and contracts with the hydraulic operation.

The connecting rod 51 has its base connected to the cutting slide frame 53 side, extends to the cutting frame 54 side, passes through the side of the grain culm transport passage 52, and further extends upward. , And a U-shaped rod 72 that constitutes the supply and transport device 50. Then, the supply and transport device 50 is connected to the upper drive wheel 7.
The shaft core of No. 3 is used as a rotation fulcrum, and is configured to move in the sliding direction via a connecting rod 51 interlocked with the cutting slide. In addition, the supply / conveyance device 50 is configured not to disturb the transfer position with the cereal culm conveyance device 70 for scraping the cereal culm by the above-described interlocking. 74 is a reaper.

As described above, in the first embodiment, the feeding and conveying device 50 moves in conjunction with the cutting slide frame 53 which moves left and right by the cutting slide, and the grain culm for scraping the grain culm on the front side. The connecting rod 51 is characterized in that the connecting rod 51 does not cause any trouble to the cereal stem being conveyed through the cereal culm conveying passage 52 while reliably transferring the cereal culm to the conveying device 70. .

Second Embodiment Next, a second embodiment will be described with reference to FIGS. The cereal culm supply / conveyance device 80 is composed of a stock transfer chain 80a and a tip conveyance lug 80b, and has a configuration in which the tip side moves up and down and right and left in relation to adjustment of the handling depth of the threshing device 81 and the cutting slide. ing. The front grain stalk transport device 82 is configured to exhibit the function of transferring the grain stalks harvested by the reaping device 83 rearward while scraping and collecting the harvested stalks and delivering the grain stalks to the grain stalk supply and transport device 80. .

The take-off guide plate 84 is formed in a plate shape using rubber as a raw material, and a slit is formed in a lateral direction so that the cereal culm is formed along the culm body at the end portion of the front cereal culm conveying device 82 described above. In order to be able to guide, it is provided facing the left and right sides of the grain stem passage 85 in the vertical direction. As described above, the transfer guide plate 84 can guide and hold the cereal culm which the front cereal culm conveying device 82 has conveyed to the end portion from both left and right sides, and can surely transfer it to the rear cereal culm supply and conveying device 80. it can. Since the transfer guide plate 84 is made of rubber as compared with a conventional iron plate, spring material, or the like, the rear culm supply / conveyance device 80 on the rear side can adjust the handling depth and cut the slide. Can be absorbed by the properties of rubber even if it moves and contacts in relation to
No damage. In addition, the takeover guide plate 84 has a feature that spillage of the culm and overflow of the culm at the time of takeover can be prevented beforehand and a smooth takeover action can be performed.

Third Embodiment Next, a third embodiment will be described with reference to FIGS. In another embodiment 3, a cereal stem raising device 90 and a threshing device 91 are provided.
And a dustproof cover 92 provided between the dustproof covers 92. The dust cover 92 comprises a front cover 92a at the front and fixed at a fixed position, and a rear cover 92b at the rear that can move back and forth on the front cover 92a. It is configured to cover the upper part of the grain stalk transport device.
The guide rollers 93 are configured to be able to guide the guide rails 95 of the rear cover 92b by being mounted on both outer sides of the main frame 94. And the guide rail 95,
As shown in FIG. 10, the upper side, the lower side,
It has a configuration that surrounds both sides. Reference numeral 96 denotes a locking device provided at the front and rear, which is configured to lock and hold the open position, the covering position, and the rear cover 92b.

As shown in FIG. 9, the rear cover of the conventional device is used.
The guide rail 95 at 92b has a configuration in which it is guided only on the upper side and the outer side with respect to the guide roll 93. Therefore, the guide rail 95 does not have a holding function not only during movement but also during stoppage, and is extremely unstable. Was in a state. On the other hand, the rear cover 92b of the third embodiment has a configuration in which the guide roller 95 is surrounded and held by the guide rail 95 from the upper, lower, left and right sides as described above. It has the feature that it can move back and forth and stop and hold while being firmly supported. The dust cover 92 includes a front cover 92a at the front and fixed at a fixed position, and a rear cover 92 at the rear that can move back and forth on the front cover 92a.
In addition, the gap between the first and second b is narrowed, and both of them have the advantage of being compactly integrated.

Next, the operation will be described. First,
When the engine is started and the traveling body 4 is moved forward while driving the rotating parts of the machine body, the cereal culm in the field receives the weeding action by the cereal culm weeding rod 15 at the lower front end, and then the cereal culm raising device 16 Is raised from the lying state to the upright state by the raising action, and the root of the stock reaches the reaper 14 and is cut off, nipped by the raking and conveying device 5a, and sequentially conveyed upward in a continuous state.

In this way, the cereal stem is transferred to the scraping and conveying device 5.
a from the feeder 5a and reaches the end portion, while being guided by the stock guide 6 to the starting end of the feed chain 4, while being conveyed in a state where the stock is pinched, The tip portion is inserted into the handling room, passes through, and is threshed by the rotating handling cylinder. And
The thresh-processed product reaches the lower sorting room and is subjected to the sorting wind and the action of the swing sorting device to be sorted.

As described above, the combine continuously performs harvesting and threshing work, harvests the selected threshing grain, and collects and stores it in the Glen tank. By the way, during such an operation, the pre-cutting device 3 is moving forward while performing the automatic adjustment of the handling depth and the cutting slide, so that the end portion of the supply / transport device 5b and the start end portion of the feed chain 4 are connected. The inherited position has changed slightly. However, since the stock guide 6 is fixed to the mounting member 7 on the feed chain 4 side, the position of the stock guide 4 relative to the feed chain 4 is not deviated, and the succession guide of the stock chain can be reliably performed. .

As shown in FIG. 1, the stock guide 6 uses the support shaft 11 as a fulcrum for maintenance such as cleaning of the feed chain 4 and the front side of the handling room.
When the chain is opened, it rotates together with the feed chain 4 and has the effect of eliminating the defect of the conventional type.

[0025]

According to the present invention, there is provided a combine comprising a cutting pre-processing device 3 supported on a front portion of a traveling vehicle body 2 on which the threshing device 1 is mounted.
The transport start end is pivotally supported on the threshing device 1 or the traveling vehicle body 2 and the transport end is pivotable outward away from the threshing device 1. A stock guide 6 for transferring the stock of the conveyed culm from the end of the device 5 to the beginning of the feed chain 4
Since it is configured to be fixed to the mounting member 7 on the side of the dochien 4, the stock guide is provided so that the grain culm conveying device on the side of the pre-cutting device can be moved up and down, left and right in relation to adjustment of the handling depth and cutting slide. The transfer position with the starting end of the feed chain does not change even if it is moved to the position shown in FIG. Further, since the stalk guide rotates integrally with the open rotating feed chain, the stalk guide does not interfere with the open rotating feed chain and collide with the open rotating feed chain. This has the effect of preventing damage or breakage.

[Brief description of the drawings]

FIG. 1 is an operation plan view of an embodiment of the present invention.

FIG. 2 is a side view of the embodiment of the present invention.

FIG. 3 is a side view of the embodiment of the present invention.

FIG. 4 is a schematic plan view of another embodiment 1 of the present invention.

FIG. 5 is another embodiment 1 of the present invention, and is an exploded development view.

FIG. 6 is a perspective view of another embodiment 1 of the present invention.

FIG. 7 is a plan view of another embodiment 2 of the present invention.

FIG. 8 is a side view of another embodiment 2 of the present invention.

FIG. 9 is a conventional front sectional view for explanation.

FIG. 10 is a front sectional view of a third embodiment of the present invention.

FIG. 11 is a plan view of another embodiment 3 of the present invention.

FIG. 12 is a side elevational view of another embodiment 3 of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Threshing device 2 Running body 3
Pre-cutting device 4 Feed chain 5 Grain stalk transport device 6
Stock Guide 7 Mounting Parts

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Kazuharu Kiyasu 1-Yachikura, Tobe-cho, Iyo-gun, Ehime Pref.

Claims (1)

[Claims] 1. A combine constructed by supporting a cutting pretreatment device 3 on a front portion of a traveling vehicle body 2 on which a threshing device 1 is mounted, wherein a feed chain 4 of the threshing device 1 threshes the transport start end side. The culm conveying device 5 which is pivotally supported on the device 1 or the traveling vehicle body 2 so that the conveying end portion can rotate outward away from the threshing device 1 and constitutes the pre-cutting device 3
The stock guide 6 for transferring the stock of the transported culm from the end of the feed chain 4 to the beginning of the feed chain 4
Combine grain stalk transport device fixed to the mounting member 7 on the side.