JP2519933Y2 - Combine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of use] The present invention relates to a combine harvester having a movable Glen pan slidable in the machine front-rear direction on the Glen Sheave at the front upper part of the Gran Sheave for collecting the first thing.

[Conventional technology]

In some of the above-mentioned combine harvesters, as disclosed in, for example, Japanese Utility Model Laid-Open No. 2-123843, there is provided a control means for periodically moving the movable grain pan in and out at a predetermined cycle.

In part-time farmers, the days and hours when they can be harvested are limited, and so-called wet threshing is often done to harvest culms that are undried or wet with morning dew or rainwater. At the time of such wet threshing, the greatest effect of the increase in adhesiveness due to the wetness of the processed product is that the Glen Pan for cleaning the upper surface of the Glen Sieve for fine sorting is moved in and out continuously in a predetermined cycle. The one provided with the control means was previously proposed as shown in the above publication.

[Problems to be solved by the device]

According to the above-mentioned proposed technology, the adhered products are peeled off by automatically sliding the Glen pan before the other products adhere to the upper surface of the grain sheave during wet threshing etc. Therefore, it is possible to prevent the processed material from staying on the Glen sieve, and the cleaning operation by the Glen pan is surely performed. However, since the control device is newly provided for that purpose, the structure becomes complicated and there is a problem that the cost increases.

An object of the present invention is to simplify the structure for cleaning the upper surface of the gren sheave by enabling the sliding operation of the movable gran pan in conjunction with the periodical essential operation accompanying the harvesting work of the combine.

[Means for solving the problem]

A first characteristic configuration of the present invention for achieving the above object is to connect a mowing pretreatment section so as to be able to move up and down, and to be slidable in the machine front-rear direction on the front upper part of the grain sheave for collecting the first thing. In the combine provided with the movable grain pan, a linking mechanism for slidingly operating the movable grain pan in association with the raising and lowering operation of the pre-mowing processing unit is provided.

The second characteristic configuration is to provide a mowing clutch for turning on / off the power transmission to the mowing pretreatment unit, and a movable upper part of the glensieve for recovering the first thing, which is slidable in the longitudinal direction of the machine. In a combine provided with a Glen pan, there is provided a linkage mechanism for slidingly operating the movable Glen pan according to an on / off operation of the mowing clutch.

Further, the third characteristic configuration is to provide a steering clutch for independently turning on / off the power transmission to the pair of left and right crawler traveling devices, and above the grensieve for collecting the most objects, the grensieve above the grensieve in the machine longitudinal direction. In a combine having a slidable movable Glen pan, a linkage mechanism for slidingly operating the movable Glen pan according to the on / off operation of the steering clutch is provided.

[Action]

When mowing around with a combine, the raising operation of the pre-mowing processing unit, the cutting operation of the cutting clutch and the turning operation of the steering clutch are always performed every time the headland travels. By providing the linking mechanism for linking any one of the essential operations associated with the reaping work and the sliding operation of the movable Glen pan, the sliding of the movable Glen pan ensures that the cleaning of the Glensive is performed at a substantially constant interval. Become.

[Effect of device]

Therefore, according to the present invention, the structure for cleaning the Glensieve can be simplified and provided at low cost by utilizing the essential operation that is always performed during the harvesting work of the combine. .

〔Example〕

 Hereinafter, embodiments of the present invention will be described with reference to the drawings.

As shown in FIG. 3, the cutting pretreatment unit (2) is provided at the front end of the machine body provided with the crawler traveling device (1) with a hydraulic cylinder (C).
y) and the hydraulic cylinder (C
The combiner is configured by mounting the operation unit (4) having the operation lever (3) of y) and the threshing device (5) on the machine body.

As shown in FIG. 2, the threshing device (5) has a front grain pan provided with a swing sorting case (8) for the processed material that has been processed by the handling cylinder (6) and leaked through the net (7). (9)
And the rack-shaped chaff sheaves (10) were roughly selected, and the processed material leaking through the chaff sheaves (10) was placed in the lower Glen pan (1).
1) and the grain sieve (12) made of resin are carefully selected, and the grain that has leaked through the grain sieve (12) is collected in the first item collecting section (13), and the rice with branches from the end of the grain sieve is the second item. The collecting section (14) is configured to collect.

As shown in Fig. 1, the Glen Pan (1
1) Fixed Glen Pan (11A) and Movable Glen Pan (11B)
Comprising a movable gren pan (11B) and a glen sieve (1
2) Sliding on top of the Glen Sieve (12) removes and cleans the processed material that has adhered to it.

Next, the movable Glen pan (11B) and the operating lever (3)
A mechanism for linking with will be described.

Harvesting of combine harvesters is done by swiveling, and when traveling or turning the headland, operate the operation lever (3) to the UP position and operate the control valve (17) via the first wire (15). As a result, the hydraulic cylinder (Cy) is driven to raise the cutting pretreatment unit (2). A second wire (16) for operating a movable pan is connected to the operation lever (3), and when the operation lever (3) is operated to the UP position, the second wire (16) is pulled and the glen sieve is moved. Movable Glen Pan (11B) for cleaning is pulled out to the rear,
The movable Glen pan (11B) covers the front part of the Glen Sheave (12). This movable Glen pan (11B) has a movable Glen pan (11B) while the pre-mowing processing unit (2) is in the UP position.
Since B) is in a state in which the front part of the Glen Sieve (12) continues to be large, when the mowing work is interrupted and the sorting work is continued, such as when traveling on a headland, the amount of processed material on the Glen Sieve (12) decreases. By reducing the degree, light straw dust and the like on the upper part of the processed material is prevented from leaking to the first material recovery section (13).

When the operation lever (3) is operated to the DOWN position, the movable Glen pan (11B) is pulled back to the front position by the spring (18), and the Glen sheave (12) is fully opened in response to the restart of the mowing work.

[First Example]

Since the overall structure of the combine and the structure of the threshing device (5) are the same as those in the above-mentioned embodiment, the description thereof will be omitted, and the different point will be described below on the linkage mechanism of the movable grain pan (11B).

Since the mowing work is not carried out when the mowing pretreatment part (2) is raised, as shown in FIG. 4, the manipulating lever (19) is operated to disengage the mowing clutch (20) to perform the mowing pretreatment part (2).
Cut off power transmission to. The operating lever (19) and the movable Glen pan (11B) are linked by the operating wire (21). When the operating lever (19) is operated to the clutch disengaged position, the operating wire (21) is moved in the same manner as in the above embodiment. Is pulled, the movable gren pan (11B) covers the front part of the gren sheave (12), and when the operating lever (19) is moved to the clutch engaged position, the action of the spring (18) causes the movable glen pan (11) to move.
B) is retracting forward.

[Second Embodiment]

Hereinafter, as in the case of the first alternative embodiment, differences from the above embodiment will be described.

During mowing, headland traveling and mowing work are repeated, and traveling traveling is performed frequently. That is, in FIG. 5, the operation lever (22) is operated to the left or right to operate the control valve (23) to operate either the left or right steering clutch (2
By turning off 4), the power transmission to either one of the pair of left and right crawler traveling devices (1) is cut off to perform traveling traveling. One end of the operating lever (22) and the movable gren pan (11B) are linked by the operating wire (25), and the operating wire (25) is pulled when the operating lever (22) is operated in either left or right direction. The movable Glen Pan (11B) is pulled out to the rear.

It should be noted that reference numerals are added to the claims of the utility model for convenience of comparison with the drawings, but the present invention is not limited to the configurations of the accompanying drawings by the entry.

[Brief description of drawings]

The drawings show a combine according to the present invention, FIG. 1 is a side view showing a main part linkage structure of the main embodiment, FIG. 2 is a vertical side view of a threshing device, FIG. 3 is an overall side view of a combine, and FIG. FIG. 5 is a main part configuration diagram of the first alternative embodiment, and FIG. 5 is a main part configuration diagram of the second alternative embodiment. (1) ... crawler traveling device, (2) ... pre-cutting processing section, (11B) ... movable Glen pan, (12) ... Glen sieve, (20) ... cutting clutch, (24) ... steering clutch .

Claims (3)

(57) [Scope of utility model registration request] 1. A mowing pretreatment unit (2) is vertically movable and is movable so that it can be slid on the Glensieeve (12) in the front and rear direction of the machine at the upper front of the Glensieve (12) for collecting the first thing. A combine provided with a Glen pan (11B), which is provided with a linkage mechanism for slidingly operating the movable Glen pan (11B) in association with an up-and-down operation of the pre-cutting section (2). 2. A cutting clutch (20) for turning on / off the power transmission to the pre-cutting processing section (2) is provided, and the Glen Sheave (12) is placed above the front of the Glen Sheave (12) for collecting the first thing. A combine grain pan (11B) provided with a movable Glen pan (11B) slidable in the longitudinal direction of the machine body, wherein the movable Glen pan (11B) is turned on and off when the cutting clutch (20) is turned on and off.
A combine with a linkage mechanism for sliding operation of B). 3. Steering clutches (24), (24) for independently turning on and off power transmission to a pair of left and right crawler traveling devices (1).
And the grain sieve for collecting the first thing (12)
Is a movable grain pan (11B) which is slidable on the Glensieeve (12) in the longitudinal direction of the machine body in the front upper part of the combine. The movable Glen pan (11B) is turned on and off when the steering clutch (24) is turned on and off. 11B) is a combine that has a linkage mechanism for sliding operation.