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Threshing cylinder with adjustable threshing diameter, adjusting method and combine harvester

A threshing drum and diameter adjustment technology, which is applied in the direction of harvesters, threshing equipment, cutters, etc., can solve the problems of small improvement in the threshing adaptability of combine harvesters, uneven threshing gaps, and inability to change the linear speed of threshing components. Achieve the effects of improving adaptability and harvesting efficiency, improving conveying capacity, and convenient and quick adjustment methods

Pending Publication Date: 2020-06-05
JIANGSU UNIV
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  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the threshing gap of the threshing device is an important factor affecting the working quality of the combine harvester. In the actual harvesting process, the operating conditions of the combine harvester will change in real time. If the operating parameters of the threshing device are not adjusted with the change of operating conditions, it will seriously affect the combine Harvester performance
Most of the existing ways to change the threshing gap are to adjust the distance between the concave plate screen and the threshing drum, and then change the entire threshing gap. The second is that only changing the threshing gap can not change the linear speed of the threshing element, which does not greatly improve the threshing adaptability of the combine harvester.

Method used

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  • Threshing cylinder with adjustable threshing diameter, adjusting method and combine harvester
  • Threshing cylinder with adjustable threshing diameter, adjusting method and combine harvester
  • Threshing cylinder with adjustable threshing diameter, adjusting method and combine harvester

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Embodiment Construction

[0029] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.

[0030] Such as figure 1 As shown, the diameter-adjustable threshing cylinder of the present invention includes a threshing cylinder, a diameter adjusting device, and a driving device. The head of the threshing cylinder is installed on the outside of the front support disc 101 of the threshing cylinder.

[0031] The threshing drum includes a drum shaft 106, and the front support disc 101, the middle support disc 102, and the rear support disc 103 are installed on the drum shaft 106 from front to back along the power transmission direction, and are installed on the front support disc 101. 1. Rear support disc 103, rear support threshing rack 105 on the disc 103, said threshing rack 105 can move radially in the threshing cylinder. Specifically, in this embodiment, the thre...

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Abstract

The invention provides a threshing cylinder with an adjustable threshing diameter, an adjusting method and a combine harvester. The threshing cylinder comprises a threshing cylinder, a diameter adjusting device and a driving device, wherein the diameter adjusting device is positioned on inner sides of a front support amplitude disc and a rear support amplitude disc of the threshing cylinder; and the driving device is used for conducting power to the diameter adjusting device. The threshing diameter of the threshing cylinder can be steplessly adjusted through the diameter adjusting device, meanwhile, the adjusted diameter of the threshing cylinder can be locked by the driving device, and thus operation stability of the threshing cylinder can be ensured. By adopting the threshing cylinder, the cylinder threshing diameter of the combine harvester can be conveniently and rapidly adjusted in real time, the threshing linear velocity and the threshing interval of the threshing cylinder can beadjusted according to harvesting situations, and the threshing adaptability of the combine harvester can be improved.

Description

technical field [0001] The invention relates to the technical field of harvesting machinery, in particular to a combine harvester for harvesting cereal crops, especially a threshing drum with adjustable threshing diameter, an adjustment method and the combine harvester. Background technique [0002] The threshing drum is the core component of the combine harvester threshing device, together with the concave screen, it plays the role of threshing the plants. Among them, the threshing gap of the threshing device is an important factor affecting the working quality of the combine harvester. In the actual harvesting process, the operating conditions of the combine harvester will change in real time. If the operating parameters of the threshing device are not adjusted with the change of operating conditions, it will seriously affect the combine Harvester performance. Most of the existing ways to change the threshing gap are to adjust the distance between the concave plate screen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01F12/18A01F12/22A01F12/56A01D41/12
CPCA01F12/181A01F12/22A01F12/56A01D41/12Y02P60/14
Inventor 李耀明陈立鹏
Owner JIANGSU UNIV
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