普通型胶带输送机
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- 普通型胶带输送机 The design is a graduation project about the belt conveyor with a large dip. At first, it is introduction about the belt conveyor. Next, it is the principles about choose component parts of belt conveyor. After that the belt conveyor with a larger dip abase on the principle is designed. Then, it is checking computations about main component parts. Just as ordinary belt conveyor, the belt conveyor consists of six main parts: Drive Unit, Jib or Delivery End, Tail Ender Return End. Intermediate Structure, Loop Take-Up and Belt. The only different is it uses pattern belt, which used to increase friction to avoid the move between the belt and goods. At last, it is explanation about fix and safeguard of the belt conveyor. Today, long distance, high speed, low friction is the direction of belt conveyor’s development. Air cushion belt conveyor is one of them. At present, we still fall far short of abroad advanced technology in design, manufacture and using. There are a lot of wastes in the design of belt conveyor. This problem is discovered in the computations of the tail stand.
Keywords: belt driving roller roller
目 录
1概述 1
1.1 带式输送机的发展状况 1
1.2 主要部件的结构及功能 3
1.2.1 输送带 4
1.2.2 托辊 6
1.2.3 滚筒 8
1.2.4 驱动装置： 9
1.2.5 拉紧装置 11
1.2.6 清扫器 11
1.2.7 机架 12
1.2.8 导料槽 13
1.2.9 其它 13
2设计计算法则及主要公式 15
2.1 带宽与速度的确定 15
2.1.1 带宽 15
2.1.2 带速的选择 16
2.2 驱动形式的确定 18
2.3 运行阻力的计算 18
2.3.1 输送带运行阻力 18
2.3.2 曲线段运行阻力 21
2.4 输送带各点张力的计算 24
2.4.1 逐点张力计算法 25
2.4.2 输送带的悬垂度条件 27
2.5 输送带强度的验算 28
2.6 传动滚筒直径的确定及强度的确定 31
2.7 拉紧装置的计算 35
2.7.1 拉紧装置的行程 35
2.7.2 拉紧力的计算 36
2.8 电动机和减速器的确定 37
2.8.1 电动机的功率 37
2.8.2 电动机转子的变位质量 38
2.8.3 减速器的减速比 39
2.9 制动力与逆止力的计算 39
2.9.1 制动力的计算 39
2.9.2 电动机轴上的计算 41
2.10 轴承的寿命的计算 41
3设计计算 44
3.1 设计依据： 44
3.2 主要参数的计算与部件确定 45
3.2.1 输送带带速v及输送带宽度Ｂ的确定： 45
3.2.2 驱动形式的确定 46
3.2.3 运行阻力计算 47
3.2.4 输运带上各点张力计算： 48
3.2.5 输送带的强度验算 50
3.2.6 传动滚筒直径的确定 51
3.2.7 拉紧装置 52
3.2.8 机功率和减速器的减速比的计算 53
3.2.9 制动力的计算 54
3.2.10 其他部件计算： 55
4电气及安全保护装置 64
5操作规程与维护、保养 65
5.1 设备的正常使用 65
5.2 操作方面注意事项 65
致 谢 67
参考文献 68
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