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- Directing to the of the large post rising clinker and roof beam post cap fo ZY4000/14/32 type shield hydraulic support are analyzed,and puts forward a plan to repair. 针对ZY4000/14/32型液压支架的部分大立柱涨缸及顶梁柱帽的损坏情况进行分析,并对顶梁柱帽提出了修复方案。
- The Structural Feature and Its Rational Application of Standing Shield Hydraulic Support 支撑掩护式液压支架的结构特点及合理应用
- Keywords shield hydraulic support;locally supplying strength;approximately equi-strength;lighten the weight;improvement; 掩护式支架;局部补强;近似等强度;减轻重量;改造;
- shield hydraulic support 掩护式支架
- Method to Transform Standing Shield Hydraulic Supports Shield Hydraulic Supports 支撑掩护式支架改造成掩护式支架的方法
- This paper analyzes the stability of hydraulic support when it's. 分析了液压支架横向受力时的稳定性,并提出了提高其稳定性的措施。
- In large dip angle mining face,the antis-kid and anti-collapse question on hydraulic support is a key to mining successfully. 在大倾角工作面中,液压支架的防倒防滑问题是工作面能否顺利实现开采的关键。
- Necessity of increasing hydraulic support's reliability in working field is expounded, using status development tendency and reliability of hydraulic support are analysed. 阐述了提高工作面液压支架可靠性的必要性,并从液压支架的使用现状、发展趋向及提高可靠性应采取的措施方面加以分析介绍。
- The overall performance of the production line after the upgrading of the hydraulic support to accelerate and improve the development cycle and product quality,has a gre... 生产线整体性能经提升改造后,对加快和提高液压支架的研制周期和产品质量,具有重要的意义和价值。
- The high mining height hydraulic support is designed for the special geologic condition of Shangwan Coal Mine,such as shallow buried depth,thin bed rock and thick aeolian sand. 大采高液压支架是针对上湾矿煤层浅埋深、薄基岩、厚风积沙等特定地质条件而研制的一种高性能综采液压支架。
- This paper introduces the design of light-duty roof caving coal hydraulic support equipped with flat tramcar and transport ation on ground and under ground. 介绍轻型放顶煤液压支架(下文简称轻放支架)配套平板车的设计过程及轻放支架在煤矿地面、井下的运输过程。
- Removing hydraulic support in the fully mechanized face have already been introduced in this article,the removal chunnel of form,method,order are explained. 介绍了综采工作面液压支架回撤通道的形成、方法、顺序。
- Located in the west of Beijing, Beijing Yutian Century Mining Equipment Co. Ltd. (hereinafter referred to as "the Company") is specializing in manufacturing light hydraulic support. 北京宇田世纪矿山设备有限公司，地处风景秀丽的北京西郊，专业生产轻型液压支架。
- In view of the strong labor intensity,low efficiency and plentiful insecurity factors during the installation and dismantlement of hydraulic support, a special dismounting crane is designed. 针对液压支架在井下安装和拆除作业中存在的劳动强度大,生产效率低,不安全因素多的现实,研制出专用拆装吊车。
- Lead aprons shield people from radiation. 铅做的工作裙可使人免进辐射。
- Proper for all series of truck crane, heavy truck, oil derrick, high temperature blower, large scale excavator, self-dumping truck, drilling rig, mining hydraulic support, steel structure and so on. 适应于各类起重吊车、重型汽车、石油井架、高温风机、大型电铲、自卸车及钻机、煤矿液压支架、钢结构等。
- DZ type outside-pourable monomer hydraulic supports are hydraulic timbering facilities used in coal mine at large. DZ型外注式单体液压支柱 ,是煤矿普遍使用的液压支护设备。
- This paper introduces state of mining and reserving of thin and almost thin seam,analyses technology and methods of mining thin seam,meanwhile discusses design of hydraulic support in thin seam. 介绍了我国薄、极薄煤层赋存及开采状况,分析了薄煤层开采的技术及方法,并对薄煤层液压支架的设计进行浅探。
- He lied to the court to shield his friend. 他对法庭说谎以包庇自己的朋友。
- Prepare to removal condition plenty,the top need security-manage between remove the hydraulic support,the hydraulic support come true safety and speediness-remove use the monomer support with winch. 通过对回撤条件的充分准备,拆除期间的顶板安全管理,利用单体支柱加绞车配合的方法,实现了对液压支架的安全、快速回撤。
