GB50431-2020······1

1 總則······16

2 術(shù)語和符號······17

2.1 術(shù)語······17

2.2 符號······18

3 主要參數(shù)······30

3.1 輸送量······30

3.2 帶速······39

3.3 帶寬······39

4 運(yùn)行阻力······42

4.1 運(yùn)行阻力······42

4.2 傳動滾筒圓周力······61

5 輸送帶張力和驅(qū)動功率······64

5.1 輸送帶張力······64

5.2 輸送帶各特征點(diǎn)的張力計(jì)算······67

5.3 電動機(jī)功率······68

5.4 驅(qū)動功率分配······69

5.5 拉緊力······69

6 啟動和停機(jī)······70

6.1 慣性力······70

6.2 啟動加速度······71

6.3 停機(jī)減速度······72

7 下運(yùn)帶式輸送機(jī)······74

7.1 一般規(guī)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(jī)架······99

8.5 驅(qū)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(hù)裝置······107

9.1 一般規(guī)定······107

9.2 緊急開關(guān)······107

9.3 輸送帶保護(hù)······107

9.4 料流檢測裝置······108

9.5 下運(yùn)帶式輸送機(jī)和管狀帶式輸送機(jī)保護(hù)······108

10 整機(jī)布置······110

10.1 一般規(guī)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(zhuǎn)裝置······132

10.7 轉(zhuǎn)載站和驅(qū)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(jī)控制······135

11.4 集中控制······136

11.5 智能控制······137

11.6 電氣保護(hù)和通信······137

12 優(yōu)化設(shè)計(jì)和動態(tài)性能評價(jià)······138

13 附屬設(shè)備······140

14 消防和環(huán)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(guī)定······144

15.2 施工······145

15.3 試運(yùn)轉(zhuǎn)······148

16 工程驗(yàn)收······151

16.1 工程劃分······151

16.2 工程驗(yàn)收······151

附錄A 普通帶式輸送機(jī)輸送帶承載物料的理論橫截面積······153

附錄B 托輥載荷計(jì)算······159

本標(biāo)準(zhǔn)用詞說明······161

引用標(biāo)準(zhǔn)名錄······162

附：條文說明······164

1 總則······170

2 術(shù)語和符號······171

2.1 術(shù)語······171

2.2 符號······171

3 主要參數(shù)······172

3.1 輸送量······172

3.2 帶速······174

3.3 帶寬······175

4 運(yùn)行阻力······176

4.1 運(yùn)行阻力······176

4.2 傳動滾筒圓周力······180

5 輸送帶張力和驅(qū)動功率······181

5.1 輸送帶張力······181

5.2 輸送帶各特征點(diǎn)的張力計(jì)算······181

5.3 電動機(jī)功率······182

5.4 驅(qū)動功率分配······182

5.5 拉緊力······183

6 啟動和停機(jī)······184

6.1 慣性力······184

6.2 啟動加速度······184

6.3 停機(jī)減速度······185

7 下運(yùn)帶式輸送機(jī)······186

7.1 一般規(guī)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(jī)架······195

8.5 驅(qū)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(hù)裝置······199

9.1 一般規(guī)定······199

9.2 緊急開關(guān)······199

9.3 輸送帶保護(hù)······199

9.4 料流檢測裝置······200

9.5 下運(yùn)帶式輸送機(jī)和管狀帶式輸送機(jī)保護(hù)······200

10 整機(jī)布置······202

10.1 一般規(guī)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(zhuǎn)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(jī)控制······218

11.4 集中控制······218

11.5 智能控制······219

11.6 電氣保護(hù)和通信······219

12 優(yōu)化設(shè)計(jì)和動態(tài)性能評價(jià)······220

13 附屬設(shè)備······222

14 消防和環(huán)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(guī)定······225

15.2 施工······225

15.3 試運(yùn)轉(zhuǎn)······225

16 工程驗(yàn)收······227

16.1 工程劃分······227

16.2 工程驗(yàn)收······227

附錄B 托輥載荷計(jì)算······228