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1、I 摘要 提升机是一种实现工程物料向上运输的机械，它是当代最为得力的输送设备之一， 它广泛运用于矿山、码头、化工等各种场合，但是不同的工况下它对设备的要求是不同 的 本文以食品加工业为背景，设计提升食品的机械。食品提升皮带机是在带式输送机 的基础上发展起来的。食品提升皮带机与传统的带式输送机一样是以胶带、钢带、钢纤 维带、塑料带和化纤带等作为传送物料和牵引工件的输送机械。其特点是承载物料的输 送机也是传递动力的牵引件，这与其他输送机械有着显著的区别。本次设计的食品提升 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。 本设计从整体结构出发，对整
2、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II Abstract Hoist is a progressive realization of the transport of mat
3、erials engineering machinery, it is the most modern equipment capable of conveying one of its widely used mines, docks, chemical and other occasions, but a different condition of its equipment requirements are different The In this paper, food processing industry as the background, design enhance fo
4、od machinery. Enhancing food in the belt conveyor belt machine is developed on the basis of. Food and upgrade the traditional belt machine, like a belt conveyor belt, strip, with steel fibers, plastics and chemical fibers with a transmission belt, and other materials and the delivery of mechanical t
5、raction workpiece. Its characteristics are carrying the material conveyor is also the change of power transmission parts, machinery and other transport has significant differences. The design of the food enhance belt machine is a small transport machinery, its carrying capacity requirements of small
6、, relative to other low-cost requirements of the belt conveyor, compact design. The design of the overall structure of the entire device in the drive and drive some parts of the design and calculation. One driver in the design and calculation, the electrical design options - as a reducer of the devi
7、ce to drive equipment in the transmission part of the design, selected the design of the timing belt pulleys connected with the drive to transfer power . This paper was also installed in the bend of the drum, roll and rack some pressure to choose a design, while the other auxiliary equipment have al
8、so done the necessary calculations and choices. The main design reducer design the structure, determining the internal transmission gear and the axis of the main parameters, and bend the drum design, and the principle of detailed analysis. Keywords: Reducer Bend pulley Pressing wheel RollerIIII 目 录
9、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食品提升皮带机简介.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.
