支撑及支撑掩护式液压支架总体设计及主要部件设计完整版.doc

摘 要 在采煤工作面煤炭生产过程中 ，为了防止顶板冒落，维持一定的工作空间，保证工人安全和各项工作的正常运行，必须对顶板进行支护而液压支架是高压液体用为动力，由液压元件与金属构件组成支护控制顶板的设备，它能实现支撑、切顶、移架和推移输送机等一整套工序，实践表明液压支架具有支护性能好、强度高、移架速度快，安全可靠等优点。液压支架与可弯曲输送机和采煤炭机组成综合机械化采煤设备，它的应用对增采煤工作面产量提高劳动生产率，降低成本减轻工人体力劳动和保证安全生产是不可缺少的有效措施。因此液压支架是技术上先进，经济合理，安全上可靠、是实现采煤综合机械自动化不可缺少的主要设备。 Abstract In the coal face Coal production in the coal face，In order to prevent the roof falling maintain a certain room to work，ensure the workers safety，and the normal operation of all the work, must be carried out on the roof support. But the stent is a high-pressure hydraulic fluid used as a driving force, the supporting the roof control equipment is composed of hydraulic components and metal structures, it can realize the support, cutting the top, and shift-over conveyor, and so on a set of processes, practice shows that the hydraulic support a good supporting performance, high-intensity, fast-shifting, the advantages of safe and reliable. Hydraulic support and flexible conveyor and coal-mining mechanization of integrated coal mining equipment its application by the coal face-production, raising labor productivity, lower costs, reduce manual workers and guarantee safe production is indispensable for effective measures. Therefore hydraulic support is technically advanced and economically rational, security, reliability, is to achieve comprehensive mining machinery automation indispensable for major equipment. The topic of this design is The Overall Design for the Support and Support Cover Hydraulic Support And the Design for the Major Parts.In the design,first of all， I analysised overall of hydraulic support , structure and structure size of the parts.Then I analysised stress and calculated intensity. The most important was that I analysised and Calculated the force of Top beam; Calculated the foece of hydraulic support by Computer program; checked the intensity of top beam, beam cover and column. There was a clear understanding of the overall Hydraulic Support and the major