GB50431-2020：带式输送机工程技术标准

GB50431-2020······1

1 总则······16

2 术语和符号······17

2.1 术语······17

2.2 符号······18

3 主要参数······30

3.1 输送量······30

3.2 带速······39

3.3 带宽······39

4 运行阻力······42

4.1 运行阻力······42

4.2 传动滚筒圆周力······61

5 输送带张力和驱动功率······64

5.1 输送带张力······64

5.2 输送带各特征点的张力计算······67

5.3 电动机功率······68

5.4 驱动功率分配······69

5.5 拉紧力······69

6 启动和停机······70

6.1 惯性力······70

6.2 启动加速度······71

6.3 停机减速度······72

7 下运带式输送机······74

7.1 一般规定······74

7.2 启动和制动······75

8 主要部件······77

8.1 输送带······77

8.2 滚筒······86

8.3 托辊组······90

8.4 机架······99

8.5 驱动装置······102

8.6 拉紧装置······103

8.7 制动和逆止装置······104

8.8 清扫器······105

9 安全保护装置······107

9.1 一般规定······107

9.2 紧急开关······107

9.3 输送带保护······107

9.4 料流检测装置······108

9.5 下运带式输送机和管状带式输送机保护······108

10 整机布置······110

10.1 一般规定······110

10.2 受料······111

10.3 卸料······112

10.4 过渡段······113

10.5 曲线段······121

10.6 输送带翻转装置······132

10.7 转载站和驱动站······133

10.8 栈桥和隧道······133

11 电气和控制······135

11.1 供电电源······135

11.2 配电······135

11.3 单机控制······135

11.4 集中控制······136

11.5 智能控制······137

11.6 电气保护和通信······137

12 优化设计和动态性能评价······138

13 附属设备······140

14 消防和环保······142

14.1 消防······142

14.2 粉尘防治······142

14.3 清扫······143

14.4 噪声和光电污染控制······143

15 工程施工······144

15.1 一般规定······144

15.2 施工······145

15.3 试运转······148

16 工程验收······151

16.1 工程划分······151

16.2 工程验收······151

附录A 普通带式输送机输送带承载物料的理论横截面积······153

附录B 托辊载荷计算······159

本标准用词说明······161

引用标准名录······162

附：条文说明······164

1 总则······170

2 术语和符号······171

2.1 术语······171

2.2 符号······171

3 主要参数······172

3.1 输送量······172

3.2 带速······174

3.3 带宽······175

4 运行阻力······176

4.1 运行阻力······176

4.2 传动滚筒圆周力······180

5 输送带张力和驱动功率······181

5.1 输送带张力······181

5.2 输送带各特征点的张力计算······181

5.3 电动机功率······182

5.4 驱动功率分配······182

5.5 拉紧力······183

6 启动和停机······184

6.1 惯性力······184

6.2 启动加速度······184

6.3 停机减速度······185

7 下运带式输送机······186

7.1 一般规定······186

7.2 启动和制动······186

8 主要部件······188

8.1 输送带······188

8.2 滚筒······191

8.3 托辊组······192

8.4 机架······195

8.5 驱动装置······196

8.6 拉紧装置······196

8.7 制动和逆止装置······197

8.8 清扫器······198

9 安全保护装置······199

9.1 一般规定······199

9.2 紧急开关······199

9.3 输送带保护······199

9.4 料流检测装置······200

9.5 下运带式输送机和管状带式输送机保护······200

10 整机布置······202

10.1 一般规定······202

10.2 受料······209

10.3 卸料······210

10.4 过渡段······211

10.5 曲线段······212

10.6 输送带翻转装置······215

10.8 栈桥和隧道······216

11 电气和控制······217

11.1 供电电源······217

11.2 配电······217

11.3 单机控制······218

11.4 集中控制······218

11.5 智能控制······219

11.6 电气保护和通信······219

12 优化设计和动态性能评价······220

13 附属设备······222

14 消防和环保······223

14.1 消防······223

14.2 粉尘防治······223

14.3 清扫······224

14.4 噪声和光电污染控制······224

15 工程施工······225

15.1 一般规定······225

15.2 施工······225

15.3 试运转······225

16 工程验收······227

16.1 工程划分······227

16.2 工程验收······227

附录B 托辊载荷计算······228