机械5

带张紧绞车的带式输送机液压拉紧系统设计 DESIGN OF HYDRAULIC TENSIONING SYSTEM FOR BELT CONVEYOR WITH TENSIONING WINCH 摘要 带式输送机是煤矿港口码头等散装物料的主要运输设备，通过摩擦传递动力，传动滚筒的摩擦力来源于输送带与滚筒之间的张紧，该张紧力是通过拉紧系统实现的，通过对张紧系统的设计，可以掌握典型的通用机械的设计过程。而带式输送机张紧是通过张紧绞车来实现的。本设计是通过对张紧绞车工作原理、工作环境和工作特性进行分析,并结合实际,进行了细致的观察,对张拉绞车的整体结构进行了设计,对组成部分进行了选择、计算和校核。 为了能够开发更先进的张紧绞车，对张紧绞车的发展前景有着重要的研究意义。当今的时代，张紧绞车对于机械行业来说是机械加工中重要的设备，因此它们的研究功能以及发展状况也促进了张紧绞车整个行业的发展。当前我国的张紧绞车行业的内在潜在价值还有待强有力的挖掘，张紧绞车的进一步研究将会给企业乃至整个机械行业和社会带来重要的积极意义，在研究的同时还可以让学生的综合能力得到开发与锻炼，最为重要的是总体设计就体现了这一点。对于张紧绞车设计这一课题，它的涵知识面较广，具有极强的综合性，要有过硬的专业能力和海量的知识，加上要有一定的在计算机上绘制图表的能力。因此，积极主动的思考和钻研这个设计课题便可以在问题的分析解决上得到能力的提升，从而也能够积累对未来有帮助的工作经验。 本文主要概述了张拉绞车液压技术的发展及国内外的现状,阐述了液压拉紧绞车的发展趋势。同时对液压拉紧绞车液压回路进行了简要的阐述和分析,设计并分析了该工程设计的小型液压张力系统,并确定了液压件的类型进一步计算。使用AutoCAD绘制张力绞车装配图,张紧绞车零件图纸,液压系统示意图,液压布置图,油箱零件图。最后通过验算验证了该设计的可行性。 关键词输送机；液压系统；张紧绞车；设计 Abstract Belt co
nveyors are the mai
n tra
nsportatio
n equipme
nt for bulk materials such as coal port termi
nals. Through frictio
n, power is tra
nsmitted. The frictio
n force of the drive roller comes from the te
nsio
n betwee
n the co
nveyor belt a
nd the roller. The te
nsio
n is achieved through the te
nsio
ni
ng system. Through the desig
n of the te
nsio
ni
ng system, the desig
n process of a typical ge
neral machi
nery ca
n be mastered. The te
nsio
n of the belt co
nveyor is achieved by te
nsio
ni
ng the wi
nch. This desig
n is based o
n the a
nalysis of the worki
ng pri
nciple, worki
ng e
nviro
nme
nt a
nd work characteristics of the te
nsio
n wi
nch, combi
ned with the actual, after careful observatio
n, the overall structure of the te
nsio
n wi
nch is desig
ned, a
nd the compo
ne
nts are selected. Type, calculatio
n a
nd check. I
n order to develop more adva
nced te
nsio
n wi
nches, it has importa
nt research sig
nifica
nce for the developme
nt prospects of te
nsio
n wi
nches. I
n today's era, te
nsio
n wi
nches are importa
nt equipme
nt for mecha
nical processi
ng i
n the machi
nery i
ndustry, so their research capabilities a
nd developme
nt status have also co
ntributed to the developme
nt of the e
ntire i
ndustry of te
nsio
n wi
nches. At prese
nt, the i
nhere
nt pote
ntial value of the te
nsio
n wi
nch i
ndustry i
n Chi
na remai
ns to be tapped vigorously. Further research o
n the te
nsio
n wi
nch will bri
ng importa
nt positive sig
nifica
nce to the compa
ny a
nd the e
ntire machi
nery i
ndustry a
nd society. While studyi
ng, it ca
n also e
nable stude
nts to The overall ability is developed a
nd exercised. The most importa
nt thi
ng is that the overall desig
n reflects this. First, we must let the
now-graduated stude
nts lay the fou
ndatio
n for professio
nal k
nowledge a
nd thus e
nha
nce the k
nowledge they have lear
ned so that they ca
n do their job i
n the future. Seco
nd, they ca
n allow them to look at issues with a developme
nt perspective i
n their projects, give full play to their i
n
novative capabilities, a
nd break through real-world problems. For the topic of te
nsio
n wi
nch desig
n, its culvert has a wide ra
nge of k
nowledge a
nd is extremely comprehe
nsive. Stude
nts must rely o
n their excelle
nt professio
nal skills a
nd vast k
nowledge, plus they must have a certai
n degree of computer graphics. ability. Therefore, stude
nts ca
n actively thi
nk a
nd delve i
nto this desig
n topic, so that stude
nts ca
n gai
n the ability to a
nalyze a
nd solve problems, a
nd thus ca
n also accumulate work experie
nce that will help the future. This paper mai
nly describes the developme
nt history of hydraulic tech
nology of te
nsio
n wi
nch a
nd its curre
nt developme
nt situatio
n at home a
nd abroad, a
nd briefly describes the developme
nt tre
nd of hydraulic te
nsio
n wi
nches. At the same time, this paper briefly describes a
nd a
nalyzes the commo
n hydraulic circuit of the hydraulic te
nsio
n wi
nch, desig
ns a
nd a
nalyzes the small hydraulic te
nsio
ni
ng system desig
ned for the subject, a
nd determi
nes the required hydraulic compo
ne
nts to complete the selectio
n through further calculatio
ns. Use AutoCAD to draw schematics for the hydraulic system, work ta
nk assembly, hydraulic layout, a
nd ta
nk parts drawi
ngs. Fi
nally, the feasibility of this desig
n was verified by checki
ng. Keywords co
nveyor hydraulic system te
nsio
ni
ng wi
nch desig
n 目录 摘要Ⅰ Abstract Ⅱ 1绪论1 2张紧绞车设计方案4 2.1张紧绞车设计要求5 2.2确定液压系统方案5 2.3张紧绞车总体结构6 3张紧绞车各部分设计7 3.1钢丝绳的选择7 3.1.1钢丝绳直径计算8 3.1.2钢丝绳强度校核9 3.2卷筒设计9 3.3卷筒轴的设计11 3.4减速器的选择16 3.4.1减速器方案的比较16 3.4.2减速器型号及相关参数的确定17 3.4.3减速器强度的校核18 3.4.4减速器输出轴轴端负荷的校核19 3.5机架设计19 4张紧绞车液压系统设计20 4.1基本方案的制定20 4.2液压系统的绘制21 4.3液压元件计算与选择22 4.3.1液压马达22 4.3.2液压泵23 4.3.3液压阀24 5液压站的设计26 5.1液压站的组成及类型26 5.1.1液压站的组成26 5.1.2油箱的用途26 5.1.3油箱的计算27 5.2选择过滤器30 5.3油管和管接头的选择32 5.3.1油管的选择32 5.3.2管接头的选择32 结论33 致谢34 参考文献35