安检输送机机械传动装置设计

安检输送机机械传动装置设计

安检输送机机械传动装置设计
摘要
安检输送皮带机是在带式输送机的基础上发展起来的。借助于输送带将被检查行李送入X射线检查通道而完成检查的电子设备。行李进入X射线检查通道,将阻挡包裹检测传感器,检测信号被送往系统控制部分,产生X射线触发信号,触发X射线射线源发射X射线束。一束经过准直器的扇形X射线束穿过输送带上的被检物品,X射线被被检物品吸收,最后轰击安装在通道内的双能量半导体探测器。探测器把X射线转变为信号,这些很弱的信号被放大,并送到信号处理机箱做进一步处理。本次设计的安检输送皮带机是一种小型的运输机械,其承载能力要求较小,相对于其他的带式输送机成本要求低,设计结构紧凑。从整体结构出发,对整个装置中的驱动部分和传动部分进行了设计与计算。其中在驱动装置的设计与计算中,本设计选择电机—减速器的装置来作为驱动设备;而在传动部分的设计中,本设计选择了同步带轮与驱动装置相连,从而传递动力。本文另外还对装置中的改向滚筒、压辊及机架部分进行了选择设计,同时对其他的辅助设备也做了必要的计算和选择。本设计主要设计减速器的结构,确定了内部各传动齿轮以及轴的各主要参数,以及改向滚筒的设计,并对其工作原理作了详细分析。

关键词  减速器;改向滚筒;压轮;托辊

 

 

 

 

 

AbstractThe belt conveyor is developed on the basis of belt conveyor. With the aid of the conveyor belt, the checked baggage will be sent to the X ray inspection channel to complete the inspection of the electronic equipment. When the luggage enters the X - ray inspection channel, the package detection sensor will be blocked, the detection signal is sent to the system control part, the X ray trigger signal is generated, and the X ray ray source is triggered to launch the X ray beam. A beam of X ray beams passing through a collimator passes through the checked items on the conveyor belt, and the X rays are absorbed by the inspected items, and then the double energy semiconductor detectors installed in the channel are bombarded. The detector turns the X ray into signal. These very weak signals are amplified and sent to the signal processing box for further processing. The design of the conveyor belt conveyor is a small transport machinery, its bearing capacity requirements are small, relative to the other belt conveyor cost requirements low, the design structure is compact. Starting from the overall structure, the drive part and transmission part of the whole device are designed and calculated. In the design and calculation of the driving device, the design of the motor reducer is chosen as the driving device in this design. In the design of the transmission part, the design chooses the synchronous pulley to connect with the driving device to transfer the power. In addition, the design of the modified roller, roller and the frame part of the device is also selected, and the necessary calculation and selection are also made for other auxiliary equipment. This design mainly designs the structure of the reducer, determines the main parameters of the internal gear and shaft, as well as the design of the modified roller, and makes a detailed analysis of its working principle.

Key words reducer, changing drum, pressing wheel, supporting roller.

 

 

 

 

目       录

1绪论 1
1.1前言 1
1.1.1背景介绍 1
1.1.2运输机简介 1
1.1.3安检输送皮带机简介 5
1.2方案确定 6
1.3设计方案综述 7
2减速器结构的设计 8
2.1电动机的选择 8
2.1.1选择电动机类型和机构形式 8
2.1.2功率的计算 8
2.1.3电动机功率的选择 8
2.2确定传动装置的总传动比和分配传动比 10
2.2.1总传动比 10
2.2.2分配减速器的各级传动比 10
2.3计算传动装置的运动和动力参数 11
2.3.1各轴转速 11
2.3.2各轴的输入功率 11
2.3.3各轴的输入转矩 12
2.4减速器的结构设计 13
2.5传动零件的设计计算 13
2.5.1第一级齿轮传动的设计 13
2.5.2第二级齿轮传动的设计 19
2.5.3齿轮轴的校核 24
2.5.4中轴键的选择 27
2.6轴承的选择 28
2.6.1轴承的选择因素 28
2.6.2轴承的型号确定 29
2.6.3轴承校验 29
3间歇机构 32
3.1槽轮机构 32
3.1.1槽轮机构的组成及工作特点 32
3.1.2槽轮机构的类型及应用 32
3.1.3槽轮机构的运动系数及运动特性 33
3.2棘轮机构 33
4改向滚筒的设计 35
4.1改向滚筒的结构设计 35
4.2改向滚筒轴的强度校核 35
5改向压轮的设计 39
5.1改向压轮的结构设计 39
5.2设计方案的比较与选择 40
5.3输送带的跑偏处理 41
5.4拉紧装置 42
6托辊的设计 44
6.1托辊的类型 44
6.2托辊的设计计算 45
7安检输送皮带机的安装和操作维护 48
7.1启动和停机 48
7.2安检输送皮带机的维护 48
7.3安检输送皮带机的安装 48
结论 50
致谢 51
参考文献 52
附录 53


参考文献
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