毕业设计(论文)-振动筛设计Word文档格式.docx

毕业设计(论文)-振动筛设计Word文档格式.docx

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偏心块；

横梁

III

Abstract

Thisarticle

iscarriedoutmainly

according

tothedesignofthetwoaxlevibrating

separatorsofstraight

line,fromoveralllayoutgotoindividual

elementchoosetogoon

improving

includesiftingthedesignofcaseandcompassscreensurfaceandtheregular

shapeofvibrator,supportthedesignofschemeandsoon,stillincludethedesignofthe

elementssuchasaxleandpartialpiece.Drivewithdoublegenerator,positivedrivemakestwo

partial

piecessynchronous

hasadoptedontheotherhandtousetypestructure,have

supersededthewayofformeroverheadsuspension,makestructuremoresafe,itislessto

coveranareaofarea.

Thisdesign

product

hashigher

requirement,

forthematerial

ofscreen

framefor

productivity

isthelargescalevibrating

separatorof80t/h,hasnownotonlyraisedthe

durabilityofscreenframewiththehigh-strengthandhighsteelmaterialofimpacttenacity,

havestillalleviated

theweightofentirestructure,forspringchoosetohavealsobrought

manyconveniences.

Indesign

still

include

forconnection

andregular

choosing,

withthedurable

shaft

coupling

ofcrossaxle,replacewelding

withboltconnection,itislittle

toreducewelding

stressforit'

sinfluence.

Keyword:

Vibratingseparator;

vibrator;

partialpiece;

beam

目

录

摘 要...........................................................

Abstract........................................................

III

第1章

绪论.....................................................

1

1.1

课题研究背景及意义.......................................

1.3

振动筛在国内外的发展现状.................................

2

1.4

振动筛的工作原理、分类及特点.............................

4

1.4.1 振动筛的工作原理....................................

1.4.2 直线振动筛的工作原理................................

6

第2章

总体方案的设计...........................................

2.1

振动筛方案的列举.........................................

2.2

方案分析.................................................

2.3

方案确定.................................................

7

2.4

振动筛各部分实现形式.....................................

2.4.1 筛箱................................................

2.4.2 筛面................................................

9

2.4.5 激振器.............................................

12

2.4.6 支撑形式与隔振装置.................................

13

第3章

双轴直线振动筛的参数计算................................

14

3.1

振动筛上物料的运动分析和工艺参数的选择.................

3.1.1 直线振动面上的物料运动分析.........................

3.1.2 工艺参数的选择.....................................

18

3.2

总体设计计算步骤........................................

20

3.2.1 计算振动筛筛面面积.................................

3.2.2 振动次数的计算.....................................

3.2.3 物料运动速度的计算.................................

3.2.4 验算生产率.........................................

21

3.2.5 估算振动筛的重量...................................

3.2.6 激振器偏心块的质量及其偏心距的确定................

3.2.7 隔振弹簧刚度的确定.................................

22

3.2.8 电动机的选择.......................................

3.3

橡胶弹簧的设计..........................................

23

第4章

激振器的设计............................................

26

4.1

轴的计算与设计..........................................

4.1.1 初步估算轴的最小直径...............................

4.1.2 轴的各段长度的直径设计.............................

4.1.3 对轴的强度校核.....................................

27

4.2

轴承的计算与选择........................................

29

4.3

密封件的设计计算........................................

30

结 论..........................................................

致 谢..........................................................

参考文献........................................................

36

37

38

4.4

偏心块的设计与计算......................................

4.5

联轴器的设计............................................

31

4.5.1 联轴器的类型选择...................................

4.5.2 规格的选择与计算...................................

4.6

键的选择................................................

32

4.6.1 轴与偏心块连接处键的选择与校核....................

4.6.2 轴与联轴器的连接处键的选择与校核..................

第5章

筛箱的结构设计..........................................

33

5.1

筛箱的结构..............................................

5.2

螺栓的强度校核..........................................