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Threshing escape grid device

A technology of concave plate sieve and sieve bar, which is applied in the field of agricultural machinery, can solve the problems of reducing the working efficiency of the threshing device and the inability to adjust the threshing gap from time to time, so as to achieve the effect of changing the threshing gap

Pending Publication Date: 2019-05-31
XINJIANG AGRI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing concave plate screen mainly adjusts the height of the nail teeth connected to the main shaft through the movement of the wedge, thereby changing the threshing gap. This adjustment mechanism is applied to the axial flow threshing drum, and the adjustment method needs to be in the state where the threshing device stops working. Open the shell down, change the position of the wedge between the main shaft and the nail teeth, and then adjust the threshing gap, which not only reduces the working efficiency of the threshing device, but also cannot adjust the threshing gap from time to time, thereby improving the crushing rate of the material

Method used

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Embodiment Construction

[0025] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0026] Such as Figure 1 to Figure 6 As shown, the embodiment of the present invention provides a kind of threshing concave plate screen device, and this device comprises:

[0027] The fixed part 1, the fixed part 1 includes a first fixed part 11 and a second fixed part 12, the first fixed part 11 and the second fixed part 12 are arranged oppositely, and are arranged on the frame;

[0028] The sieve plate part 2, the sieve plate part 2 includes a transmission part 21 and a sieve plate part 22, the sieve plate part 22 includes a reinforcement part 221 and a plurality of sieve bar parts 222, the reinforcement part 221 has a plurality of connection holes 2211, each sieve bar part One end of 222 is rotatably connected to the first fixed part 11, the other end passes through the connecting hole 2211 and is rotatably connected to the second fixed p...

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Abstract

The invention discloses a threshing escape grid device, and belongs to the technical field of agricultural machines. According to the main aim of the threshing escape grid device, the clearance between a threshing roller and an escape grid can be adjusted in real time. According to the main technical scheme, the threshing escape grid device comprises a fixed part and a grid plate part, and a firstfixed component and a second fixed component are oppositely arranged on a rack; the grid plate part comprises transmission components and a grid plate component, the grid plate component comprises areinforcing component and multiple grid strip components, the reinforcing component is provided with multiple connecting holes, one end of each grid strip component is rotationally connected to the first fixed component, and the other end of each grid strip component penetrates through the corresponding connecting hole and is rotationally connected to the second fixed component. Each grid strip component can rotate in the connecting holes, and the transmission components are connected to the two ends of one grid strip component, and used for enabling each grid strip component to rotate aroundthe first fixed component and the second fixed component. The threshing escape grid device is mainly used for grain threshing.

Description

technical field [0001] The invention relates to the technical field of agricultural machinery, in particular to a threshing concave screen device. Background technique [0002] The threshing process is an important part of the work of agricultural harvesting machinery. At present, the threshing methods of agricultural machinery in my country mostly use tangential flow threshing drums and axial flow threshing drums. The relative movement between them rubs and rolls the crops for threshing. The device that can realize this process is the threshing drum and the concave plate sieve. Through the rotation of the threshing drum, the material is rubbed and rolled between the concave plate sieve and the drum, thus completing the material threshing process. [0003] The gap between the threshing drum and the concave plate sieve is one of the key factors affecting the threshing effect. If the gap is too large, the threshing and separation ability will be poor, and the cleaning rate of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01F12/18
Inventor 张学军张凌杰朱兴亮于蒙杰靳伟张宝安马少腾周鑫城刘宇韩志鹏白圣贺李茜
Owner XINJIANG AGRI UNIV
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