JPS6398314A - Grain straw feeder of combine - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a grain culm conveying device in a multi-row harvester.

(B) Prior Art Conventionally, in the grain culm conveying device of a multi-row harvester, a pair of upper general feeding device and lower general feeding device are arranged in a "V" shape on the left and right, and the culm conveying device is connected to the There is a known technique in which a vertical tip conveying device and a vertical conveying device for stock are arranged so as to be able to move in tandem at the rear of the section. For example, JP-A-60-16
This is as in Publication No. 0815.

Similarly, in the conveying device of a combine harvester, a technique in which the upper conveying device is arranged in the lower two stages is also known. For example, it is disclosed in Japanese Utility Model Application Publication No. 56-136531.

(C) Problems to be Solved by the Invention The purpose of the present invention is to transport the left and right culms using 1111 upper and lower transport devices arranged in a cross-section, and after merging at the rear end. In the configuration in which the receiver is connected to the vertical head conveyor and stock vertical conveyor which can move up and down simultaneously in order to adjust the length and shortness of the culm, a blind space where the culm is not sandwiched occurs in the dark blue part of the receiver. ), the problem was that the grain culm would come off or leak from the area.

In the present invention, in order to eliminate the dead space in the transfer section, a transfer transfer device is arranged between an upper transfer device and a lower transfer device, and the transfer transfer device is placed on the side of the lower transfer device. By configuring it as part of the power transmission path from to the upper conveyance device, the cost I can be simply and inexpensively configured.

(d) Means for solving the problem The object of the present invention is as described above. Next, the structure for achieving the object will be explained.

``Paired left and right lower transport equipment W21 arranged in the shape of a bar 1
．．・Above 2R, a pair of left and right parts with almost overlapping action surfaces.
A portion of the conveying device 1L-1R is arranged, and the lower conveying device 2
Grain culms conveyed by L/2R and upper +1 feeders 1L/1R are joined at the narrow part of the bar 1 character, and at the rear thereof, a stock head is installed that can integrally move up and down to adjust the length and shortness of the culm. In the configuration in which the vertical conveyance device 5 and the tip vertical conveyance device 4 are arranged, the transfer conveyance device 3 is disposed at a position below the tip of the vertical tip conveyance device 4 and between the lower conveyance device 2R.

Further, the transfer and transfer device 3 is driven by power transmission from the lower transfer device 2I-, and the transfer and transfer device 3 is further configured to drive the upper transfer device IL located above it.

(B) Embodiments and Functions The objects and structure of the present invention are as described above. Next, the structure and functions of the embodiments shown in the attached drawings will be explained.

FIG. 1 is an overall plan view of the grain culm conveying device of the present invention, FIG. 2 is an overall side view, and FIG. 3 is a plan view of the front conveying device.
Figure 4 is a right side view of the upper conveyor IR, Figure 5 is a right side view of the star wheel leaf N section, and Figure 6 is the lower conveyor 2.
It is a left side view of L.

The overall configuration will be explained with reference to FIGS. 1 and 2.

A weeding rod protrudes from the front end of the reaping device, and the weeding rod protrudes into the weeding rod. Raising device 8L/8N/8R
The stock head is guided to a conveyance path by a scraping conveyance device 10L/ION/IOR composed of a heddle with tines 1, and the stock base is cut by a cutting blade device.

The stem portion after cutting is guided to two conveyance paths by star wheels 7R, 7N, and 7L. The star wheel 7R forms one conveyance path with the pincer, and the star wheels 7N and 7L form one conveyance path.

A lower conveying device 2R is arranged rearward following the star wheel 7R, and an upper conveying device IR is arranged in an overlapping state toward the negative side of the lower conveying device 2R.

Following star wheels 7N and 7L, lower transport device 2L
is arranged, and an upper transport device LL is arranged above the lower transport device 2L.

The upper conveying devices 1L and IR and the lower conveying devices 2L and 2R are configured in a "V" shape in a plan view, and a confluence of left and right shell culm conveying passages is formed at the rear end. A head vertical conveyance device 4 and a stock head vertical conveyance device 5 are arranged with the merging section as a starting end. By rotating the tip up and down around the pivot point, it is possible to adjust the length of the culm.

If a certain amount of space is created between the front conveyor devices 1 and 2 and the rear conveyor devices 4 and 5 that can move together, in order to prevent interference during rotation, it is possible to create a space where there is no conveyor device. It becomes a blind spot space.

In particular, the present invention is configured with a transfer conveyance device 3 disposed between the upper conveyance device IR and the tip vertical conveyance device 4 in order to fill the gap generated between the two.

The gap that occurs between the lower transport devices 2L and 2R to the stock vertical transport device 5 is created by extending the lower transport device 2L to the rear and extending it to a position along the side of the stock vertical transport device 5. By doing so, the structure is designed to eliminate blind spots.

Next, the drive configuration of the grain culm conveying device of the present invention will be explained.

Power from the engine is input to the reaping II feed input case via the heald. The reaping (input shaft portion of the maximum input case 9) is configured as a pivot point for vertical movement of the reaping conveyance device.

Further, drive cases for the head vertical conveyance device 4 and the stock head vertical conveyance device 5 are protruded from the reaping carrier casing 9, and the head tip vertical conveyance device 4 and the stock head vertical conveyance device 5 are connected around the drive case portion. While it is tilted diagonally, it is rotated by a motor etc. to make the culm joints long and short.

Further, a power transmission pipe 11 projects forward from the reaping 1 general feed input case 9, and the power transmission pipe 11 transmits power to the horizontal drive case 6 through a transmission shaft disposed inside, and also transmits power to the reaping transport case 6. It also serves to support the entire device so that it can move downwards.

The central part of the horizontal drive case 6 is connected to the tip of the power transmission pipe, and the two form a "T" shape.

Five shafts protrude forward from the horizontal drive case 6, three of which drive the lifting devices 8L, 8N, and 8R, and the latter two drive the lower transport devices 2L and 2R. It is being driven. The power that drove the lower conveyance device 2L is extended to also drive the upper conveyance device 1L, and the power that drives the lower conveyance device 2L is extended.
The power that drove R drives the transfer transfer device 3, and then
It is configured to transmit power to drive the upper first general feeding device 1R.

Next, a description will be given based on the drawing of FIG.

The lower conveyance device 2L is driven by a drive shaft 16 that projects upward from the horizontal drive case 6.
Since the conveyance chain wound around the star wheel 7I is also wound around the sprocket 1- of the star wheel 7I, it also drives the star wheel 7[. In addition, the lower conveyance device 2LI7)llll feed chain is also wound around the sprocket of the drive shaft 20, so it drives the drive shaft 20,
The drive shaft 20 is extended upward to drive the drive sprocket of the upper conveyance device L.

The upper conveyance device 1L extends further rearward than the drive shaft 20, and this portion overlaps with the side surface of the stock vertical conveyance device 5, so that there is a gap between the lower conveyance device and the stock vertical conveyance device 5. In addition, it prevents the occurrence of blind spots and prevents culm leakage and culm shedding.

Since the star wheel 7N is meshed with the star wheel 7, the power is transmitted and rotated by the meshing of the star wheels.

The lower conveyance device 2R is driven by a drive shaft 17 protruding upward from the horizontal drive case 6, and the conveyance chain wound around the drive shaft 17 is also wound around the sprocket of the star wheel 7R. Starwheel 7R
is driven. The drive shaft 18 of the rear end sprocket around which the conveyance chain is wound is driven, and the drive shaft 1
8 extends upward and drives the rear sprocket of the transfer transfer device 3.

A drive shaft 19 provided on a sprocket at the front end of the first general transfer device 3 is extended upward to drive the sprocket of the upper transfer device IR.

Conventionally, the general feeding device IR of the top section 1 was also extended to the rear, and was configured to be close to the tip of the tip vertical conveying device 4 which has been rotated to the lowest limit, thereby eliminating a blind space. However, in the present invention, part of the conveying device IR is terminated before approaching the tip vertical conveying device 4,
Instead, the transfer conveyance device 3 is provided below the upper conveyance device IR at a lower position where it does not come into contact even when the tip vertical conveyance device 4 rotates to the lowest limit.

Therefore, the transfer conveyance device 3 has a − part conveyance device I at the front end.
It overlaps with R, and also overlaps with the tip of the tip 'a conveying device 4 at the rear end.

Lower conveyor devices 2L and 2R configured in a “C” shape on the left and right
A clamping rod mounting body 15 is erected between them, and the clamping rods 12 and 13 are supported by the clamping rod mounting body 15 in an elastically biased state.

The clamping rod 12 is biased toward the conveyance lane of the lower conveyance device 2R, and the clamping rod 13 is biased toward the conveyance lane of the lower conveyance device 2L.

Further, a confluence section guide rod 14 extends from the clamping rod attachment body 15 toward the bar-shaped confluence section.

Next, FIGS. 4, 5, and 6 will be explained.

The scraping conveyance devices flOL, ION, and 10R protruding from the star wheels 7L, 7N, and 7R are respectively arranged on the drive shaft of the star wheel and constitute a pulley, and rotate at the same speed as the star wheel. It is rotated by the number.

The right-side transport device support pipe 21 is configured in a U-shape, and one side of the U-shape extends upward to support the upper transport device 1R. The lower end of the right side transport device support pipe 21 is fixedly installed on the horizontal drive case 6.

Similarly, the left side conveying device support pipe 22 is configured in a U-shape with a motor, and the upper conveying device IR is attached to the upwardly protruding part.
or supported.

The 7' end of the left conveyor support pipe 22 is also fixed on the horizontal drive case 6.

(F) Effects of the Invention Since the present invention is constructed as described above, it has the following effects.

First, if a part of the upper conveyance device is used as the tip vertical conveyance device 4 and is made to be able to move together with the stock head vertical conveyance device 5 to adjust the length and shortness of the culm, the front non-rotating conveyance device and In between, discontinuities occur. If the discontinuous portion overlaps between the lower conveyance and the upper conveyance, the joint portion becomes a blind space, causing culm leakage or culm detachment.

In order to eliminate the discontinuous space that occurs in the upper conveyance device, the present invention provides a transfer conveyance device 3 below between the upper conveyance device 1R and the tip vertical conveyance device 4, thereby eliminating blind space. The bridge was able to eliminate the problem of slippage that occurred at the joint.

Second, since the transfer conveyance device 3 disposed between the upper conveyance device IR and the tip vertical conveyance device 4 is used instead of the chain for power transmission between the lower conveyance device 2R and the upper conveyance device IR, Since there is no need to provide a special drive system to drive the transfer transfer device 3, the transfer transfer device 3
By adding , it was possible to suppress the rising cost upper bound.

[Brief explanation of the drawing]

FIG. 1 is an overall plan view of the grain culm conveying device of the present invention, FIG. 2 is an overall side view, and FIG. 3 is a plan view of the front conveying device.
Figure 4 is a right side view of the upper conveyor IR, Figure 5 is a right side view of the star wheel 7N section, and Figure 6 is the lower conveyor 2L.
FIG. 1L/IR...L section transport device 2L/2R...Lower transport device

Claims (2)

[Claims] (1) A pair of left and right upper transport devices 1L and 1R are arranged above a pair of left and right lower transport devices 2L and 2R arranged in a “V” shape, with their working surfaces substantially overlapping, and the lower transport devices 2L
・The grain culms conveyed by 2R and the upper conveyor devices 1L and 1R are merged at the narrow part of the letter "C", and the rear part of the grain culm can be vertically moved in one piece to adjust the length and shortness of the culm. In the configuration in which the device 5 and the tip vertical conveyance device 4 are arranged, at a position below the tip of the tip vertical conveyance device 4, between it and the lower conveyance device 2R,
A grain culm conveying device for a combine harvester, characterized in that a transfer conveying device 3 is arranged. (2) The transfer conveyance device 3 according to claim 1
A grain culm conveying device for a combine harvester, characterized in that it is configured to transmit power from a lower conveying device 2L to drive the grain culm conveying device 2L, and further to drive an upper conveying device 1L above it from a transfer conveying device 3.