KR-20260067987-A - COMBINE

KR20260067987AKR 20260067987 AKR20260067987 AKR 20260067987AKR-20260067987-A

Abstract

(Problem) Provide a combine that can improve the sorting precision of threshed materials in the sorting section. (Solution) A combine harvester equipped with a threshing unit for threshing crops, a oscillating sorting device (43) for sorting threshed materials threshed by the threshing unit, and a blower (47) for blowing sorting air toward the oscillating sorting device (43). The oscillating sorting device (43) has a grain sheave (130) for sorting threshed materials, and the grain sheave (130) is formed to be rotatable so as to move the upper side of the sorting air up and down, with the lower side of the sorting air as the pivot part (138).

Inventors

마사노 준이치
오토쿠라 스스무

Assignees

얀마 홀딩스 주식회사

Dates

Publication Date: 20260513
Application Date: 20251024
Priority Date: 20241106

Claims (9)

A combine harvester comprising a threshing unit for threshing crops, a vibrating sorting device for sorting threshed material threshed by the threshing unit, and a blower for blowing sorting air toward the vibrating sorting device, The above-mentioned vibrating sorting device has a grain sieve for sorting threshed materials, and The grain sheave is formed to be rotatable so as to move the wind-up side of the sorting wind up and down, with the wind-down side of the sorting wind serving as the pivot point. A combine characterized by the following.
In Article 1, The above-mentioned oscillating sieve has a chaff sieve formed above the grain sieve for sifting threshed material, and The above chaff sheave includes a plurality of pins formed to allow adjustment of the inclination angle, and is configured to control the amount of material removed from the threshing process according to the inclination angle of the plurality of pins. The above grain sheave is formed to rotate in conjunction with a change in the inclination angle of the plurality of pins. A combine characterized by the following.
In Article 1 or Article 2, The above-described oscillating sorting device has a grain pan formed on the front side of the grain sieve to receive the threshed material discharged from the chaff sieve, and At the rear side of the above grain pan, a body is formed with a plurality of sieve sections arranged in parallel. A combine characterized by the following.
In Article 1, The above-mentioned oscillating sorting device is formed between the left and right side plates, and Among the above left and right side panels, the left and right outer side panels have an opening formed therein that includes at least a portion of the grain sheave within the opening range when viewed from the side. A combine characterized by the following.
In Article 2, A processing volume detection sensor for detecting the amount of threshed material on the chaff sieve, and A control unit is additionally provided to perform control for adjusting the inclination angle of the plurality of pins based on the detection value of the above processing volume detection sensor, and A combine characterized in that the grain sheave is formed to rotate in conjunction with a change in the inclination angle of the plurality of pins.
In Article 5, A second processing volume detection sensor is additionally provided for the grain sieve, formed on the wind-up side of the sorting air to detect the amount of threshed material, and A combine characterized by the above control unit performing correction of the angle of the grain sheave in the control based on the detection value of the second processing volume detection sensor.
In Article 5 or 6, The above-mentioned oscillating sorting device is formed between the left and right side plates, and A combine characterized by additionally having an actuator formed on either of the left or right side plates to change the inclination angle of the plurality of pins.
A combine harvester comprising a threshing unit for threshing crops, a vibrating sorting device for sorting threshed material threshed by the threshing unit, and a blower for blowing sorting air toward the vibrating sorting device, The above-mentioned oscillating sorting device comprises a chaff sieve configured to change the leakage amount of threshed material according to the inclination angle of a plurality of pins, and It has a grain sieve formed below the chaff sieve to separate the threshed material, and The grain sheave is formed to be rotatable so as to move the wind-up side of the sorting wind up and down, with the wind-down side of the sorting wind serving as the pivot point. A processing volume detection sensor for detecting the amount of threshed material on the chaff sieve, and A second processing volume detection sensor formed on the wind-up side of the sorting air with respect to the grain sieve to detect the amount of threshed material, and A combine characterized by additionally comprising a control unit that performs control to adjust the inclination angle of the plurality of pins based on the detection value of the processing volume detection sensor, and control to adjust the rotation angle of the grain sheave based on the detection value of the second processing volume detection sensor.
In Article 8, The above-mentioned oscillating sorting device is formed between the left and right side plates, and A first actuator formed on either of the left or right side plates and changing the inclination angle of the plurality of pins, and A combine characterized by additionally having a second actuator formed on either of the left or right side plates to change the rotation angle of the grain sheave.

Description

Combine The present invention relates to a combine harvester equipped with a shaking sorting device for sorting grains threshed by a threshing unit. A combine harvester is configured to transport crops harvested by a cutting unit to a threshing unit via a conveying device and supply them to a threshing unit, and to sort the grains (threshed material) threshed by the threshing unit by a sorting unit formed below the threshing unit. The sorting unit has a oscillating sorting device that sorts the grains by oscillating. As a sorting component, the oscillating sorting device includes a chaff sieve having a plurality of pins and a grain sieve formed below the chaff sieve. Additionally, the sorting unit is configured to generate sorting air, such as a blower or a fan, to obtain a wind sorting action. Regarding the configuration of the sorting unit, Patent Document 1 describes a configuration in which the area of the grain sheave can be changed and the amount of sorting air flowing over the grain sheave can be switched and operated with respect to the sorting air from the air blower. FIG. 1 is a left side view of a combine related to a first embodiment of the present invention. FIG. 2 is a right side view of a combine related to a first embodiment of the present invention. FIG. 3 is a plan view of a combine related to a first embodiment of the present invention. FIG. 4 is a drawing showing a power transmission configuration in a combine related to the first embodiment of the present invention. FIG. 5 is a cross-sectional view of the left side showing the configuration of the threshing unit and the sorting unit related to the first embodiment of the present invention. FIG. 6 is a cross-sectional view of the left side showing the configuration of a sorting unit related to the first embodiment of the present invention. FIG. 7 is a planar cross-sectional view showing the configuration of a grain sieve and its vicinity related to a first embodiment of the present invention. FIG. 8 is a partial front cross-sectional view schematically showing the support configuration of a chaff pin related to the first embodiment of the present invention. FIG. 9 is a left side view showing the front and rear middle portions of a oscillating sorting device related to the first embodiment of the present invention. FIG. 10 is a left side view showing the operating structure of a chaff sheave related to a first embodiment of the present invention. FIG. 11 is an explanatory diagram of the operating state of an operating arm related to a first embodiment of the present invention. FIG. 12 is a left side view showing a part of the sorting unit related to the first embodiment of the present invention. FIG. 13 is an exploded rear cross-sectional view showing the mounting structure of a cover related to the first embodiment of the present invention. FIG. 14 is a left side view showing the configuration of a modified example of a oscillating screening device related to the first embodiment of the present invention. FIG. 15 is a cross-sectional view of the left side showing the configuration of a sorting unit related to a second embodiment of the present invention. FIG. 16 is a planar cross-sectional view showing a grain sieve and a configuration near it related to a second embodiment of the present invention. FIG. 17 is a partial front cross-sectional view schematically illustrating the support configuration of a chaff pin related to a second embodiment of the present invention. FIG. 18 is a left side view showing the configuration of the front and rear intermediate parts and the angle adjustment device of a oscillating sorting device related to a second embodiment of the present invention. FIG. 19 is a left side view showing the operating structure of a chaff sheave related to a second embodiment of the present invention. FIG. 20 is an exploded perspective view showing the configuration of an angle adjustment device related to a second embodiment of the present invention. FIG. 21 is a left side view showing a part of a sorting unit related to a second embodiment of the present invention. FIG. 22 is a left side view showing the configuration of a processing volume detection sensor related to a second embodiment of the present invention. FIG. 23 is a block diagram showing the control configuration of a combine related to a second embodiment of the present invention. FIG. 24 is a left side view showing the configuration of a modified example of a oscillating screening device related to the second embodiment of the present invention. FIG. 25 is a left side view showing the configuration of the front and rear intermediate parts of the oscillating sorting device and the angle adjustment device and the correction angle adjustment device related to the third embodiment of the present invention. FIG. 26 is a left side view showing the configuration of an interlocking mechanism related to a third embodiment of the present invention. FIG. 27 is a block diag