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目 錄
第一章 前言···················································· 1
第二章 方案選定及結(jié)構(gòu)原理··································· 2
2.1 方案選定··················································· 2
2.2 刮板輸送機的結(jié)構(gòu)原理和基本組成····························· 3
2.3 主要部件及結(jié)構(gòu)············································· 3
2.3.1 機頭部················································ 3
2.3.2 機尾部················································· 4
2.3.3 溜槽及附件············································· 4
2.3.4 刮板鏈················································· 4
2.3.5 緊鏈裝置··············································· 5
2.3.6 推移裝置··············································· 6
2.3.7 錨固裝置··············································· 6
第三章 刮板輸送機的選型設(shè)計及計算·························· 7
3.1 設(shè)計要求···················································· 7
3.2 運輸能力計算················································ 7
3.3 運行阻力計算················································ 8
3.3.1 直線段················································· 8
3.3.2 曲線段················································· 9
3.3.3 總牽引力··············································· 9
3.4 電動機功率················································· 10
3.5 電動機型號選擇············································· 11
第四章 圓環(huán)鏈及鏈輪的設(shè)計計算······························ 12
4.1 刮板鏈的強度計算··········································· 12
4.2 鏈輪的選擇計算············································· 13
第五章 減速器的設(shè)計計算及校核······························ 17
5.1 傳動方案圖················································· 17
5.2 分配傳動比················································· 17
5.3 各級傳動計算··············································· 18
5.3.1 各軸轉(zhuǎn)速計算·········································· 18
5.3.2 各軸功率計算·········································· 18
5.3.3 各軸扭矩計算·········································· 19
5.4 錐齒輪的設(shè)計及校核········································ 20
5.4.1 選擇齒輪材料·········································· 20
5.4.2 主要參數(shù)設(shè)計·········································· 20
5.4.3 齒面接觸疲勞強度的校核································ 22
5.4.4 齒根彎曲疲勞強度的校核································ 23
5.5 斜齒輪的設(shè)計及校核········································ 25
5.5.1 按齒面接觸疲勞強度設(shè)計主要尺寸························ 25
5.5.2 齒面接觸疲勞強度許用應(yīng)力的校核························ 27
5.5.3 齒根彎曲疲勞強度的校核································ 28
5.6 軸的設(shè)計及校核············································ 30
5.6.1 按軸轉(zhuǎn)矩估算軸徑和選擇聯(lián)軸器·························· 30
5.6.2 軸的結(jié)構(gòu)設(shè)計·········································· 30
5.6.3 軸的強度校核·········································· 33
第六章 結(jié)論··················································· 34
參考文獻······················································· 35
致謝···························································· 36
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