非开挖水平定向钻机顶进回拖系统结构设计.doc

非开挖水平定向钻机顶进回拖系统结构设计 [摘要]：本文通过分析非开挖水平定向钻机顶进回拖系统国内外研究现状，应用和具体的检测方法，经过查阅相关资料、讨论，提出了一种利用齿轮齿条传动的解决方案，并详细设计了一种用于非开挖水平定向钻机顶进回拖系统结构，该系统能够正常、稳定的实现钻机动力头顶进回拖功能。该顶进回拖系统包括电机、联轴器、减速箱、齿轮齿条、动力头、导轨等核心部分，通过AutoCAD出图，最终完成设计说明书的书写和外文翻译。 [关键词] 非开挖；水平定向钻机；顶进回拖；齿轮齿条  Horizontal Directional Drilling Promoting Mechanism Design Abstract: This thesis puts forward a solution using the gear rack drive by the analysis of trenchless horizontal directional drilling head back drag system research status at home and abroad, application and specific detection method, through access to relevant data, discussion,?the main task is to design the feed machanism,the choose of Driving method,also design for fatigue strength like bolts and bood.Clarified the trenchless horizontal directional drilling using gear rack driving head back to the working principle of drag function，The feasibility of the scheme is verified by checking calculation，verify through checking the feasibility of scenarios and modeling using two-dimensional assembly drawings generated in AutoCAD, and parts diagram。 Key words: horizontally directional drilling; Jacking and pull back; rack and pinion 目 录 TOC \o 1-3 \h \z \u HYPERLINK \l _Toc388370786 第一章 绪论 PAGEREF _Toc388370786 \h 1 HYPERLINK \l _Toc388370787 1.1非开挖水平定向钻机常见的顶进回拖系统结构及发展现状 PAGEREF _Toc388370787 \h 1 HYPERLINK \l _Toc388370788 1.1.1 液压油缸进给方式 PAGEREF _Toc388370788 \h 1 HYPERLINK \l _Toc388370789 1.1.2 马达-链条进给方式 PAGEREF _Toc388370789 \h 2 HYPERLINK \l _Toc388370790 1.1.3 液压马达-齿轮齿条进给式 PAGEREF _Toc388370790 \h 2 HYPERLINK \l _Toc388370791 1.2非开挖水平定向钻机国内外现状 PAGEREF _Toc388370791 \h 3 HYPERLINK \l _Toc388370792 1.2.1国外HDD的现状 PAGEREF _Toc388370792 \h 3 HYPERLINK \l _Toc388370793 1.2.2国内HDD的现状 PAGEREF _Toc388370793 \h 4 HYPERLINK \l _Toc388370794 1.3本论文研究的主要内容和特色 PAGEREF _Toc388370794 \h 5 HYPERLINK \l _Toc388370795 1.4本论文研究的意义及主要关键技术指标 PAGEREF _Toc388370795 \h 6 HYPERLINK \l _Toc388370796 1.4.1 意义 PAGEREF _Toc388370796 \h 6 HYPERLINK \l _Toc388370797 1.4.2