Rotary-vibrating, dissociating and grain-cleaning mechanism of combine harvester
A combine harvester and harvester technology, applied in agricultural machinery and implements, threshing equipment, applications, etc., can solve the problems of small combine harvesters that cannot be placed, restrict the development of small combine harvesters, and bulky, and achieve the effect of clearing grain Good, simple structure, small size effect
Inactive Publication Date: 2011-06-15
湖南省双峰县湘源皇视电子有限公司
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Problems solved by technology
[0002] In the grain cleaning mechanism of the existing combine harvester, a variety of different separating screens are used, all of which are of planar reciprocating oscillation structure, and most of the supporting winnowing fans are installed at one end of the separating screen, and the grains and sundries are separated and moved in the same direction. This structure is cumbersome and bulky, especially for small combine harvesters, which greatly restricts the development of small combine harvesters. At present, there is no combine harvester with small size, simple structure, and grain cleaning effect that meets international standards. mechanism
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[0023] see figure 1 and figure 2 , a combine harvester rotary vibration extracting grain clearing device according to the present invention, comprising a harvester grain lifting mouth 1, a hanger 2, a rotary screen 3, an exhaust fan 4, and a power transmission box 5, and it is characterized in that the rotary screen 3 One end of the rotary screen 3 is placed below the mouth of the valley 1, and the four corners of the rotary screen 3 are universally hinged with the hanger 2 through four suspenders 6. The two ends of the suspender 6 are equipped with a joint device 7, and the joint device 7 is a suspension ring mechanism. The exhaust fan 4 is placed horizontally on the hanger 2, and its air inlet is placed above the middle part of the rear section of the rotary screen 3. The central position of the exhaust fan 4 is equipped with an empty stomach main shaft 8, and the upper end is equipped with a fan sprocket 9, which is connected by a chain. The fan output sprocket 18 at the ...
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The invention relates to a rotary-vibrating, dissociating and grain-cleaning mechanism of a combine harvester, comprising a harvester winnow opening, a hanger frame, a rotary screen, a suction fan and a power transfer box. The mechanism is characterized in that joint devices are arranged at the two ends of a hanger rod of the rotary screen; the hanger rod is flexibly hinged with the hanger frame; the suction opening of the suction fan is arranged above the middle part of the back section of the rotary screen; a vierendeel main shaft is arranged at the central location of the suction fan; a crank vertical shaft used for driving the rotary screen to do rotary-vibrating motion is arranged in the vierendeel body of the vierendeel main shaft; a crank wheel is arranged at the lower end of the crank vertical shaft; a crank pin is arranged on the crank wheel; a pin boss is arranged at the middle part of the bottom back section of the rotary screen; a granary along with the screen is arranged at the lower part of the rotary screen; and a grain outlet is arranged below the granary along with the screen. The rotary-vibrating, dissociating and grain-cleaning mechanism has the advantages of simple structure, small volume, little power consumption, low impurity rate, good grain-cleaning effect and the like.
Description
technical field [0001] The present invention relates to an agricultural machinery equipment, and further refers to a rotary vibration detachable grain cleaning mechanism of a combine harvester. Background technique [0002] In the grain cleaning mechanism of the existing combine harvester, a variety of different separation screens are used, all of which are of planar reciprocating oscillation structure, and most of the supporting winnowing fans are installed at one end of the separation screen, and the grains and sundries are separated and moved in the same direction. This structure is cumbersome and bulky, especially the small combine harvester cannot be installed, which greatly restricts the development of small combine harvesters. At present, there is no combine harvester with small size, simple structure and grain cleaning effect that meets international standards. mechanism. Contents of the invention [0003] The technical problem to be solved by the present inventio...
Claims
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IPC IPC(8): A01F12/44
Inventor 李源湘胡华锋
Owner 湖南省双峰县湘源皇视电子有限公司