GB50431-2020······1

1 總則······16

2 術語和符號······17

2.1 術語······17

2.2 符號······18

3 主要參數······30

3.1 輸送量······30

3.2 帶速······39

3.3 帶寬······39

4 運行阻力······42

4.1 運行阻力······42

4.2 傳動滾筒圓周力······61

5 輸送帶張力和驅動功率······64

5.1 輸送帶張力······64

5.2 輸送帶各特征點的張力計算······67

5.3 電動機功率······68

5.4 驅動功率分配······69

5.5 拉緊力······69

6 啟動和停機······70

6.1 慣性力······70

6.2 啟動加速度······71

6.3 停機減速度······72

7 下運帶式輸送機······74

7.1 一般規定······74

7.2 啟動和制動······75

8 主要部件······77

8.1 輸送帶······77

8.2 滾筒······86

8.3 托輥組······90

8.4 機架······99

8.5 驅動裝置······102

8.6 拉緊裝置······103

8.7 制動和逆止裝置······104

8.8 清掃器······105

9 安全保護裝置······107

9.1 一般規定······107

9.2 緊急開關······107

9.3 輸送帶保護······107

9.4 料流檢測裝置······108

9.5 下運帶式輸送機和管狀帶式輸送機保護······108

10 整機布置······110

10.1 一般規定······110

10.2 受料······111

10.3 卸料······112

10.4 過渡段······113

10.5 曲線段······121

10.6 輸送帶翻轉裝置······132

10.7 轉載站和驅動站······133

10.8 棧橋和隧道······133

11 電氣和控制······135

11.1 供電電源······135

11.2 配電······135

11.3 單機控制······135

11.4 集中控制······136

11.5 智能控制······137

11.6 電氣保護和通信······137

12 優化設計和動態性能評價······138

13 附屬設備······140

14 消防和環保······142

14.1 消防······142

14.2 粉塵防治······142

14.3 清掃······143

14.4 噪聲和光電污染控制······143

15 工程施工······144

15.1 一般規定······144

15.2 施工······145

15.3 試運轉······148

16 工程驗收······151

16.1 工程劃分······151

16.2 工程驗收······151

附錄A 普通帶式輸送機輸送帶承載物料的理論橫截面積······153

附錄B 托輥載荷計算······159

本標準用詞說明······161

引用標準名錄······162

附：條文說明······164

1 總則······170

2 術語和符號······171

2.1 術語······171

2.2 符號······171

3 主要參數······172

3.1 輸送量······172

3.2 帶速······174

3.3 帶寬······175

4 運行阻力······176

4.1 運行阻力······176

4.2 傳動滾筒圓周力······180

5 輸送帶張力和驅動功率······181

5.1 輸送帶張力······181

5.2 輸送帶各特征點的張力計算······181

5.3 電動機功率······182

5.4 驅動功率分配······182

5.5 拉緊力······183

6 啟動和停機······184

6.1 慣性力······184

6.2 啟動加速度······184

6.3 停機減速度······185

7 下運帶式輸送機······186

7.1 一般規定······186

7.2 啟動和制動······186

8 主要部件······188

8.1 輸送帶······188

8.2 滾筒······191

8.3 托輥組······192

8.4 機架······195

8.5 驅動裝置······196

8.6 拉緊裝置······196

8.7 制動和逆止裝置······197

8.8 清掃器······198

9 安全保護裝置······199

9.1 一般規定······199

9.2 緊急開關······199

9.3 輸送帶保護······199

9.4 料流檢測裝置······200

9.5 下運帶式輸送機和管狀帶式輸送機保護······200

10 整機布置······202

10.1 一般規定······202

10.2 受料······209

10.3 卸料······210

10.4 過渡段······211

10.5 曲線段······212

10.6 輸送帶翻轉裝置······215

10.8 棧橋和隧道······216

11 電氣和控制······217

11.1 供電電源······217

11.2 配電······217

11.3 單機控制······218

11.4 集中控制······218

11.5 智能控制······219

11.6 電氣保護和通信······219

12 優化設計和動態性能評價······220

13 附屬設備······222

14 消防和環保······223

14.1 消防······223

14.2 粉塵防治······223

14.3 清掃······224

14.4 噪聲和光電污染控制······224

15 工程施工······225

15.1 一般規定······225

15.2 施工······225

15.3 試運轉······225

16 工程驗收······227

16.1 工程劃分······227

16.2 工程驗收······227

附錄B 托輥載荷計算······228