带式输送机传动滚筒设计

摘要

带式输送机是用于散料输送的重要设备，适用于矿山机械。传动滚筒作为带式输送机的重要部件，其作用更是举足轻重。滚筒是带式输送机的主要传部件，它的作用有两个：一是传递动力，二是改变输送带运行方向。带式输送机滚筒的设计质量，关系到整个输送机系统的性能、安全性和可靠性。目前，国内滚筒的设计一般采用近似公式，对于中小型滚筒已经能够满足工程需求，但对于大型滚筒这种设计方法其结果与工程实际有一定的差距，它的安全性和可靠性难以保障。由于缺乏精确的计算方法，如果盲目的增大安全系数，会使结构尺寸变大，重量增加，强度得不到显著的提高同时又增加了成本。

本设计首先对带式输送机滚筒结构的设计计算方法进行了分析研究，修正了有关计算公式，完善并统一了设计计算内容，对带式输送机传动滚筒进行了严谨的数学推导，在大量的参考了国内该部分的相关教材和资料的基础上，结合了一定的实践而编写的。

由于传动滚筒的适用范围不断扩大，对其需求量也不断增加。故对滚筒设计有一定的必要性。在对滚筒设计中要充分了解主要部件的工作特性，合理进行选型设计和性能匹配。

关键字：带式输送机传动滚筒

Abstract

Belt conveyor is used for the important bulk conveying equipment, suitable for mining machinery. Transmission roller as an important part of the belt conveyor, and its function is more critical. The cylinder is a belt conveyor of the main parts, its action has two: one is to transfer power, 2 it is to change the conveyor belt running direction. Belt conveyor roller design quality, relationship to the whole conveyor system performance, safety and reliability. At present, the domestic roller design general use of the approximate formula, for small and medium-sized roller has been able to meet the engineering requirements, but for large drum the design method and the results have a big gap between the actual engineering, it is difficult to guarantee the safety and reliability. Because of the lack of accurate calculation method, if blind increase safety coefficient, can make the structure size change, increase the weight, strength not rise significantly increased again at the same time the cost.

This design first of belt conveyor roller structure, the calculating method of analysis and study of the fixed related calculation equations, perfect and unified design calculation content, to the belt conveyor roller drive the rigorous mathematical reasoning, in a large number of reference in this part of the relevant material and material, and on the basis of the practice of combining must be written.

By driving roller, the scope of application of expansion, the demand is on the increase. So the roller design had some necessity. In the design of roller to fully understand the main parts of the characteristics, the reasonable selection of design and performance match.

Key word: belt conveyor transmission roller

目录

前言 (1)

第一章绪论 (2)

1.1 滚筒在国民经济中的作用 (2)

1.2 传动滚筒的发展状况 (3)

1.3 国内外研究现状 (5)

1.4 结构与种类 (6)

1.4.1 按驱动方式分 (6)

1.4.2 按轴承内孔大小分 (6)

1.4.3 按外形分 (7)

1.4.4 特殊滚筒 (7)

1.5 传动滚筒的研究目的和意义 (8)

第二章传动滚筒的设计 (10)

2.1 传动滚筒的选择及其传动理论 (10)

2.1.1 传动滚筒直径的确定 (12)

2.1.2 滚筒的性能特点及其选用 (14)

2.2 传动滚筒的设计 (15)

2.2.1 传动滚筒筒壳内外表面的应力 (15)

2.2.2 传动滚筒接盘应力 (17)

2.2.3 传动滚筒结构参数的设计 (19)

2.3 滚筒通体外径D与厚度t之间的关系 (19)

2.4 传动滚筒的轴径d、筒壳厚度h、接盘辐板厚度t、接盘支点1l等参数关系 (21)

2.4.1 设计变量 (21)

2.4.2 弯扭矩计算 (23)

2.4.3 求最大当量弯矩 (24)

2.4.4 轴的强度校核 (24)

2.4.5 接盘内应力的计算 (24)

2.4.6 边界约束条件确定的参数关系 (24)

2.4.7 各段轴径之间的参数关系 (25)

D之间的参数关系 (25)

2.4.8 滚筒体的最大直径为D与最小直径

1

2.4.9 滚筒体总长度与滚筒体L的中部圆柱部分的长度b的关系 (25)

第三章典型传动滚筒的设计 (26)

3.1 滚筒体 (26)

3.2 轴的设计 (31)

3.2.1 轴的材料的选择 (31)

3.2.2 轴径的初步估算 (31)

3.2.3 轴的结构设计 (32)

3.3 滚筒胀套连接的选择与校核 (33)

3.3.1 胀套连接的常见问题 (33)

3.3.2 胀套的选择 (34)