JPH0453484B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an improvement in a transmission device of a reaping section in a multi-row harvester.

[Conventional technology]

In the reaping section of a multi-row harvester, there are three pulling devices for pulling up the grain culm to be harvested, in the case of a three-row cutting specification, and in the case of a four-row cutting specification, four pulling devices, They are installed in parallel in a number corresponding to the number of rows of grain culms to be harvested at one time, and in order to merge the grain culms raised by each of these parallel pulling devices into a single grain culm flow, The grain culm transfer devices that transport the grain culm in the left and right directions of the aircraft while also transporting the grain rearward are arranged side by side in a pair facing each other on the left and right sides, so that the pulling device and the grain culm transfer device installed in parallel are rotated. The lower transmission case, which is equipped with a power transmission mechanism, is designed and manufactured as a separate configuration for each model with different specifications.

[Problem to be solved by the invention]

The present invention has been made in order to reduce costs when manufacturing multiple models by dividing the lower conduction case into component parts and allowing these component parts to be shared among models with different specifications. However, at that time, it was formed into unit blocks,
The left and right conduction case units attached to both ends of the lower conduction case can be used for both right and left use, reducing the number of each component and further reducing manufacturing costs. The purpose is to

[Means to solve the problem]

To achieve this purpose, the transmission device of the reaping section in the multi-row harvester according to the present invention is as follows:
A lower conduction case that is long in the left and right direction is connected to the lower end of the transmission case that is long in the longitudinal direction and is supported on the fuselage so that it can freely rotate up and down and houses the drive shaft that transmits the motor installed in the fuselage. a reaping section of a harvester, which houses an intermediate transmission shaft that transmits power to the drive shaft, and is equipped with a transmission shaft that distributes power from the intermediate transmission shaft to a pulling device and a grain culm transfer device that are arranged side by side on the left and right; In the transmission device, both left and right ends of the lower conduction case are provided with a conduction shaft that conducts power to the pulling device and a conduction shaft that conducts power to the grain culm transfer device, and can be freely attached to and removed from the base portion of the lower conduction case. The base portion of the lower conduction case is divided into a base body and a spacer that is detachably attached to both sides of the base body, and the left and right conduction case units have the same shape. At both left and right ends,
The present invention is characterized in that a connecting portion is formed to be detachably attached to the base body and the spacer of the base portion of the lower conductive case.

〔Example〕

Next, an example of implementation will be described in detail with reference to the drawings.

FIG. 1 shows an outline of a combine A, which is a harvester capable of implementing the present invention, in a side view. In the figure, reference numeral 1 denotes a machine body that travels by a traveling device 10, 11 a threshing section consisting of a self-threshing type threshing device mounted on the machine body 1, and numeral a a reaping section mounted on the front end side of the machine body 1.

The reaping part a includes a plurality of weeding bodies 20 arranged side by side on the left and right corresponding to the number of rows of grain culms to be weeded, and a plurality of weeding bodies 20 arranged side by side on the left and right corresponding to the number of rows of grain culms to be weeded. A plurality of lifting devices 21... and a cutting blade device 2
2, and provided oppositely on the left and right so that the flow of multiple rows of harvested grain culms is transferred laterally from the left and right to the center, and then transferred backwards while merging into one flow of grain culms. Grain culm transfer device 23,
24 (FIG. 2), a grain culm transfer device 25 that transfers the merged grain culms toward the feed chain 11a of the threshing section 11, and a grain culm transfer device 25 located above each of the grain culm transfer device 23 and the grain culm transfer device 25. It is of a normal form and includes ear tip transfer devices 26 and 27 for transferring the tip side of grain culms that are transferred by a culm or the like.

Reference numeral 3 denotes a long transmission case from front to back that supports the above-mentioned fuselage 1 so that it can rotate up and down about the fulcrum shaft 30, and inside stores a prime mover (not shown) that supports the fuselage 1 and a drive shaft 31 for transmission. It is pivoted (Fig. 3).

b is a lower conduction case that is long from side to side and connected to the lower end of the conduction case 3 that houses the drive shaft 31;
As shown in FIGS. 3 and 4, there is a base portion 4 formed into a cylindrical shape and connected to the lower end of the conduction case 3, and the left side of the base portion 4 in the left-right direction (axial direction). The unit block is divided into a conduction case unit 5 which is assembled to the right end, and a conduction case unit 5' which is assembled to the right end.
The base portion 4 further includes a base body 4a connected to the lower end of the aforementioned conduction case 3 through a connecting cylinder portion 40, and a connecting portion 4 formed at the end of the base body 4a in the axial direction.
Spacer 4 that can be removably attached to 1 and 41
It is divided into b.

The conduction case units 5, 5' are
As shown in FIG. 4, when the lower conduction case b is assembled to the left and right ends of the base body 4, the left and right ends of the lower conduction case b are assembled as shown in FIG. lifting devices 21, 21 located at both ends of the lower conduction case b and supported by the lower conduction case b;
are provided with transmission shafts 50, 50' for transmitting rotational power, respectively, and those raising devices 21, 2.
Grain culm transfer devices 23 and 2 are arranged to move the grain culms raised in step 1 toward the center while transferring the culms to the rear.
4 is equipped with transmission shafts 51, 51' for transmitting rotational power, and the transmission case unit 5 provided on the left end side and the transmission case unit 5' provided on the right end side are formed in the same shape, and their transmission cases are The connecting parts 52, 52' that are installed in the units 5, 5' to connect to the aforementioned base part 4 are as follows:
They are formed at both ends in the axial direction (left and right direction), respectively.

The transmission of the rotational power from the aforementioned drive shaft 31 to the transmission shafts 50, 51, 50', 51' installed in the transmission case units 5, 5' is shown in FIG. 5 in the assembled lower transmission case b. This is done by means of an intermediate transmission shaft 6 which is fitted as shown in FIG.

In the illustrated embodiment, reference numeral 42 denotes a transmission shaft provided on the base body 4a to transmit rotational power to the lifting device 21 disposed between the left and right sides, and 43 surrounds the transmission shaft 42 and connects the lifting device 21. 44 is an extension transmission case connected to this, 53 and 53' are shaft cylinders that surround the transmission shafts 50 and 50', and 54 and 54' are shaft cylinders that surround the transmission shafts 51 and 51'. .

The embodiment device constructed in this manner operates as follows.

The transmission device of the reaping section in the multi-row harvester according to the present invention comprises left and right transmission case units 5, 5' assembled at both left and right end portions of the lower transmission case b as constituent members of the lower transmission case b. but,
When assembling the transmission device of the reaping section of harvesters of different specifications, it can be used as is.

That is, as shown in FIG. 5, when assembling the base part 4, a spacer 4 is also placed on the left side of the base body 4a.
b, and the spacers 4b, 4
By assembling and connecting the conduction case units 5 and 5' to each outer end side of b, a lower conduction case b' of the reaping section with four-row mowing specifications is constructed.

The conduction case units 5 and 5' are
By using either the left or right connecting portions 52, 52, 52', 52', which are formed in the same shape and are formed at both left and right ends, it can be used for right or left use. Therefore, the left and right conduction case units 5, 5' can be used in common, and the number of constituent members can be reduced.

〔Effect of the invention〕

As explained above, the transmission device of the reaping section in the multi-row harvester of the present invention configured as described above is useful when producing many types of reaping sections with different specifications. The cost can be reduced by sharing the constituent members of , and furthermore, since the constituent members for right and left use can be shared with each other, the number of constituent members can be reduced, resulting in further cost reduction.

[Brief explanation of the drawing]

FIG. 1 is a schematic side view of a combine harvester in which the present invention can be implemented, FIG. 2 is a plan view of the main parts of the reaping section, FIG. 3 is an expanded cross-sectional view of the transmission mechanism of the reaping section, and FIG. 4 5 is a plan view of the lower conduction case of the transmission mechanism section, and FIG. 5 is an explanatory diagram of the operation. Explanation of drawing symbols A... Combine (harvester),
a...Reaping part, b, b'...Lower conduction case, 1...
... Airframe, 10 ... Traveling device, 11 ... Threshing section, 1
1a...Feed chain, 20...Cultivator, 21
...Lifting device, 22...Cutter blade device, 23, 24...
...Grain culm transfer device, 25...Grain culm transfer device, 26,
27... Spear tip transfer device, 3... Conduction case, 30
...Fully shaft, 31...Drive shaft, 4...Base part, 4
a...Base body, 4b...Spacer, 40...Connection cylinder part, 41...Connection part, 42...Conduction shaft, 43...
...Axis tube, 44...Extended conduction case, 5,5'...
Conduction case unit, 50, 50', 51, 5
1'...Transmission shaft, 52, 52'...Connection part, 53,
53', 54, 54'... shaft cylinder, 6... intermediate transmission shaft.

Claims (1)

[Claims] 1. A lower conduction case that is long in the left and right direction is connected to the lower end of the transmission case that is long in the longitudinal direction and is supported on the fuselage so that it can freely rotate up and down and houses the drive shaft that is connected to the prime mover installed in the fuselage. Reaping of a harvesting machine in which a case houses an intermediate transmission shaft that transmits power to the drive shaft, and is equipped with a transmission shaft that distributes power from the intermediate transmission shaft to a pulling device and a grain culm transfer device that are arranged side by side on the left and right. In the transmission device of
A conduction case that is detachably assembled to the base portion of the lower conduction case, the left and right ends of the lower conduction case being provided with a conduction shaft that conducts power to a pulling device and a conduction shaft that conducts power to a grain culm transfer device. The base part of the lower conduction case is divided into a base body and a spacer that is removably attached to both sides of the base body, and the left and right conduction case units are formed in the same shape so as to separate the base body from each other. At both left and right ends,
A transmission device for a reaping section in a multi-row harvester, characterized in that a connection section is formed to be detachably assembled to the base body and spacer of the base section of the lower transmission case.