STRUCTURAL DESIGN AND EXPERIMENTAL ANALYSIS OF ADJUSTABLE 3-DOF VIBRATING SCREEN

HAN Meng; GONG ZhiQiang; WANG ChengJun

doi:10.16579/j.issn.1001.9669.2022.01.032

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STRUCTURAL DESIGN AND EXPERIMENTAL ANALYSIS OF ADJUSTABLE 3-DOF VIBRATING SCREEN

更新时间：2022-09-22

- STRUCTURAL DESIGN AND EXPERIMENTAL ANALYSIS OF ADJUSTABLE 3-DOF VIBRATING SCREEN
- Journal of Mechanical Strength Vol. 44, Issue 1, Pages: 239-244(2022)
- 作者机构：
  
  1. 安徽理工大学机械工程学院
  2. 巢湖学院机械工程学院
  3. 安徽理工大学人工智能学院
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2022.01.032
  CLC：
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HAN Meng, GONG ZhiQiang, WANG ChengJun. STRUCTURAL DESIGN AND EXPERIMENTAL ANALYSIS OF ADJUSTABLE 3-DOF VIBRATING SCREEN. [J]. 44(1):239-244(2022)
DOI：

HAN Meng, GONG ZhiQiang, WANG ChengJun. STRUCTURAL DESIGN AND EXPERIMENTAL ANALYSIS OF ADJUSTABLE 3-DOF VIBRATING SCREEN. [J]. 44(1):239-244(2022) DOI： 10.16579/j.issn.1001.9669.2022.01.032.

摘要

针对农业领域传统振动筛筛分时易出现筛孔堵塞、筛分效率低、筛分性能不稳定等问题,设计一种可调平三自由度振动筛,包括调平装置、二自由度激振系统、单自由度激振系统、控制器和水平监测仪。二自由度激振系统为筛盘提供沿X轴往复移动和绕Y轴的转动,单自由度激振系统为筛盘提供沿Y轴往复移动,二者串联形成三自由度激振装置。运用Adams软件对振动筛进行运动学仿真,验证振动筛可进行1～3个自由度的振动;基于离散元素法对水稻颗粒在可调平三自由度振动筛筛盘上的筛分过程进行模拟分析,并在样机上进行试验。结果表明筛盘做三自由度振动时的筛分效率比二自由度和单自由度振动分别增加8.8%和33.4%,解决传统振动筛自由度少、筛分效率低、筛分性能不稳定等问题。

Abstract

Aiming at the problems of screen blinding, low screening efficiency and unstable screening performance of traditional vibrating screen in agricultural field, a three degree of freedom adjustable vibrating screen was designed, including leveling device, two degree of freedom excitation system, single degree of freedom excitation system, controller and level monitor.The two degree of freedom excitation system provides reciprocating movement along the x-axis and rotation around the y-axis for the screen disk, while the single degree of freedom excitation system provides reciprocating movement along the y-axis for the screen disk, and the two are connected in series to form a three degree of freedom excitation device.The kinematics simulation of the vibrating screen was carried out by using ADAMS software to verify that the vibrating screen can vibrate with 1～3 degrees of freedom; Based on the discrete element method, the screening process of rice particles on the adjustable three degree of freedom vibrating screen plate was simulated and analyzed, and the experiment was carried out on the prototype.The results show that the screening efficiency of three degree of freedom vibration is 8.8% and 33.4% higher than that of two degree of freedom and single degree of freedom vibration respectively, which solves the problems of less degree of freedom, low screening efficiency and unstable screening performance of traditional vibrating screen.

关键词

多自由度振动筛结构设计仿真分析试验验证

Keywords

Multi degree of freedomVibration sieveStructural designSimulation analysisExperimental verification

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