永磁選礦機設(shè)計-振動篩設(shè)計

摘要
    振動篩是選煤廠用的最多的設(shè)備之一，主要用于煤的準備篩分以及最終篩分用，但是振動篩又是維修量比較大的設(shè)備。隨著設(shè)計的逐漸完善，自定中心園振動篩能夠很好的解決這一問題。本文主要介紹振動篩在選煤廠中的意義以及振動篩的發(fā)展現(xiàn)狀，描述了本次設(shè)計型自定中心園振動篩設(shè)計的計算方法依據(jù)和步驟.包括振動篩的分類與特點和設(shè)計方案的確定；對物料的運動分析，對振動篩的動力學分析及動力學參數(shù)的計算，合理設(shè)計振動篩的結(jié)構(gòu)尺寸；進行了激振器的偏心塊等設(shè)計與計算，包括原始的設(shè)計參數(shù)，電動機的設(shè)計與校核；進行了主要零部件的設(shè)計與計算，皮帶的設(shè)計計算與校核，彈簧的設(shè)計計算，軸的強度計算，軸承的選擇與計算，然后進行了設(shè)備維修、安裝、潤滑及密封的設(shè)計

關(guān)鍵詞：,振動篩，自定中心，設(shè)計依據(jù)

CIRCULAR MOTION VIBRATION SIEVE OF AUTO CENTER

ABSTRACT

Vibration sieve is one of the most widely used devices in Coal Preparation Plant. Mainly used in coal preparation and the final screening with screening, But the vibrating screen is larger than the maintenance of equipment. With the gradual improvement of the design ，circular motion vibration sieve of auto center could well solve this problem. This article mainly introduced that vibration sieve in Coal Preparation Plant significance as well as vibration sieve development present situation, described this time has designed  circular motion vibration sieve of auto center design computational method basis and the step, as well as the main vibration sieve part's choice and the comparison, and showed this design characteristic. Including the classification and characteristics of vibrating screen and determination of design; on the movement of materials analysis, Dynamic analysis of vibration sieve and kinetic parameters calculated, rational design of the structure vibrating screen size; carried out such eccentric Vibrator design and calculation, including the original design parameters, motor design and verification; were the main components of the design and calculation, calculation and check of belt design, spring design calculation, shaft strength calculation, bearing selection and calculation , then the equipment maintenance, installation, lubrication and seal design.

 KEYWARDS：，vibration sieve，auto center，design basis

目錄

摘要 I
ABSTRACT II
1緒論 1
1.1 篩分的概念 1
1.2 篩分設(shè)備的作用 1
1.3 篩分作業(yè)的分類 1
1.4 篩分機械設(shè)計的意義 2
1.5振動篩設(shè)計的原則 3
1.6篩分機械研究的現(xiàn)狀 3
1.7 將來的發(fā)展趨勢 4
2目的依據(jù)及說明 4
2.1 自定中心園振動篩設(shè)計的目的 4
2.2 設(shè)計的依據(jù)及參考資料 5
2.3 設(shè)計的有關(guān)說明 5
3工藝參數(shù)的選擇與確定 5
3.1 篩面長度及寬度的確定 5
3.2 生產(chǎn)率的確定 5
3.3 振幅和頻率的選擇 6
3.4 篩面傾角的選擇 8
4動力學分析及參數(shù)計算 9
振動篩動力學基本理論 9
4.1 參振重量及參振質(zhì)量的計算 11
4.2 主彈簧剛度計算與選擇 12
4.3 激振器偏心質(zhì)量及其偏心距的驗算 13
4.4重心計算 15
5功率計算及電機的選擇 16
5.1 篩分機在負荷狀態(tài)下工作所需功率的計算 16
5.2 電動機的選擇 16
5.3 驗算電動機的啟動轉(zhuǎn)矩 17
6零件的計算 17
6.1 彈簧計算 17
6.2 三角皮帶的傳動計算 18
6.3 軸強度驗算 20
6.4 軸承壽命驗算 24
7基型及結(jié)構(gòu)的選擇 25
7.1 篩分基型的比較和選擇 25
7.2 篩分機結(jié)構(gòu)的選擇和確定 25
8、設(shè)備合理的更新期 31
9、結(jié)論 33
參考文獻 34
致謝 35