单轨吊车在煤矿辅助运输中的应用

介绍了目前国内煤矿井下辅助运输的主要方式以及传统运输方式存在的问题,总结了单轨吊车运输的分类、特点和使用条件,结合矿井的辅助运输系统改造前后对比实例,阐述了单轨吊车运输的先进性。单轨吊车作为一种新型辅助运输设备具有安全高效运输和适应性较强等诸多优点,将成为煤矿井下辅助运输的发展方向。     

单轨吊车选型设计及适用性分析

随着新型科技的逐步发展,煤矿综合机械化水平不断提高,井下辅助运输设备对煤矿生产效率的影响越来越重要。单轨吊车辅助运输方式以其操作人员少,转载环节少,工作效率高,安全隐患低等优点,逐步成为井下辅助运输的重要方式。合理的选型设计,安全的吊挂方式,为煤矿井下单轨吊车辅助运输的稳定运行提供了保障。     

防爆蓄电池单轨吊车车载控制系统设计与应用

防爆蓄电池单轨吊车车载控制系统是根据煤矿井下运输环境的要求进行设计，主要用于煤矿井下运输设备的过程控制。从防爆蓄电池单轨吊车车载智能控制系统的设计开发背景入手，重点介绍了系统的原理及组成、电气功能、系统功能、算法模式等方面，系统设计符合标准要求，实现了防爆蓄电池单轨吊车车载系统的智能化。     

法国煤矿的井下辅助运输

法国煤矿井下辅助运输设备可从两方面来叙述:一种是属于多种用途的运输设备,就是既能运输人员、又能运输材料设备的运输设备;另一种则是专门用来运人的设备。 一、多种用途的运输设备 作为多种用途的运输设备,法国煤矿井下一般采用单轨吊车、落地卡轨车和胶轮车等。 1、单轨吊车 自1963年以来,单轨吊车在法国被认为是最有发展前途而被广泛采用的运输设     

辅助车辆快速制动液压系统的研究

当前,各国煤矿实用的高效辅助运输设备的类型有单轨吊车,卡轨车,齿轨车和无轨胶轮车等四大类,而机车的制动性能在安全生产中处于至关重要的作用《煤矿安全规程》第378条规定：单轨吊车,卡轨车,齿轨车和胶套轮车的牵引机车和驱动绞车,     

大型矿井辅助运输设备的发展一瞥

我国大型矿井近年来由于采掘综合机械化的发展，产录和效率有了很大的提高，但全员效率却上不去，其中一重要原因就是井下辅助运输机械化水平太低，大量人员用在运料、运设备上。如果说综采综掘的技术装备我们与世界先进采煤国家的差距已经不很大，那么在辅助运输方面的差距就太大了。我国煤矿辅助运输机械自7O年代后期研制防爆低污染柴油机及单轨吊车开始．现已有29kw、14．7kw、66kw柴油机单轨吊车。KCY6／900hi、F－1型绳牵引卡轨车、普通轨卡轨车、以及XTD－7蓄电池单轨吊车等三个种类七种机型。但在现有大型生产矿井中推广并不理想…     

GDD─140型钢丝绳牵引单轨吊车通过鉴定

由河南省煤炭科研所、温县黄河煤机厂、平顶山矿务局十二矿联合研制的GDD-140型钢丝绳牵引单轨吊车,经地面模拟试验和井下工业性试验后于87年元月10日在平顶山通过省级鉴定。 钢丝绳牵引单轨吊车是一种为井下辅助运输服务的新型运输设备,主要是配合煤巷综掘机运料、运人的辅助运输设备,也是综掘机械化作业线的重要组成部分。 河南省煤炭科研所设计的这种钢丝绳单轨吊车,     

煤矿井下运输设备信息交流会召开

全国煤矿井下运输设备信息交流会于1987年10月中旬在长沙召开.会议由煤矿设计情报中心站等单位主持.参加会议的有科研、设计及生产厂矿等72个单位共100多位代表.会议期间,有关专家分别介绍了国内外煤矿井下运输设备的概况.提出了有关井下运输设备的出国考察、技术论证、设备选型、发展趋势以及现场维护经验等各种技术报告.会议期间,代表们就目前国内辅助运输中的卡轨车、单轨吊、齿轨车、无轨胶轮车及其柴油机、钢丝绳和蓄电池等驱动方式     

单轨吊车“折叠司机室”的应用

目前,单轨吊车已成为矿山井下辅助运输设备之一,折叠司机室是为单轨吊车高效、安全运输液压支架等大型设备配套的专用设备,由河北煤研所研制成功。1991年年底通过由中国统配煤矿总公司技术发展局组织的鉴定。鉴定认为:折叠司机室设计新颖、结构合理、操作简单、性能先进、经济效益明显,填补了国内空白,属国内领先水平。其外形如图1、图2。     

新一代煤矿井下辅助运输设备研发与应用浅述

该文主要针对煤矿井下辅助运输设备的研发和应用进行了简要的分析和探讨,重点介绍了新一代的单轨吊车、齿轨车、卡轨车以及无轨胶轮车的应用。     

Current situation and future trend of China rare earth luminescent material industry

<正>Rare earth luminescent material is one of the most important application sectors of rare earths.China enjoys the exceptional advantage to develop rare earth luminescent material for its abundant rare earth resources.After several decades'endeavor,China's rare earth luminescent material industry,headed by rare earth phosphor for lamp and LED and high efficient rare earth energy-saving light source,has been gradually developed into a scale industry.China has become a major production base of rare earth phosphor for lamps and rare earth     

China rare earth market review

正June 1~10,2014Rare earth market remained weak.Quoted price of rare earth products was similar to that in May.There was no sign of recovery in downstream market.The market of NdFeB magnetic materials and phosphor was depressed.Catalyst,polishing powder and ceramic industries remained inactive.Demand from downstream industry was soft.Consumers purchased on their needs.Suppliers had strong intention to sell.Prices of rare earth products     

Annual Report analysis of Chinese rare earth-related listed companies in 2013

<正>Chinese rare earth-related listed companies have published their 2013 annual reports.It can be understood from their reports that production and operation activities of Chinese rare earth-related companies were still heavily affected by macro economy and industrial policies.They basically followed the steps of national economy.In 2013,world economy recovered slowly but the economy     

Market opportunities and challenges for rare earth polishing powder

正1.Status of rare earth polishing powder Rare earth polishing powder with high content of cerium oxide began to replace iron oxide for glass polishing and became one of the key materials in glass polishing process since 1940.Compared with traditional iron oxide,rare earth polishing powder has many advantages,such as fast polishing rate,high polishing quality and long service life.It can achieve good surface quality and improve operation conditions.For example,in lens polishing,the polishing work that cerium     

Baotou Research Institute of Rare Earths developed a new RE alloy preparation technology

正Pyrometallurgy Laboratory of Baotou Research Institute of Rare Earths had independently developed a new preparation technology of rare earth alloy for NdFeB.The alloy can remarkably enhance the coercivity of NdFeB magnet but also evidently reduce the production cost of the magnet.The new master alloy was prepared in the kA pilot-scale electrolytic cell by the independent technology.The rare earth master alloy can be used as the raw material for NdFeB.Compared     

矿用防爆轴流对旋主要通风机叶片ANSYS模态分析及应用

高效节能矿用防爆对旋主要通风机的叶片是主要通风机运行的关键部件,叶片在运行时不断受到气流的作用力,从而使叶片产生振动,当叶片振动的频率与叶片的固有频率接近时,容易产生共振从而导致叶片的断裂。一旦叶片断裂时,对主要通风机的安全运行产生致命的影响,从而导致矿山、化工等企业发生重大事故,将会产生不可估量的损失。基于有限元分析软件ANSYS,对高效节能矿用防爆轴流对旋主要通风机叶片进行模态分析及产生对应的六阶模态频率,对主要通风机叶片的运行频率、固有频率及产生的共振问题进行了原理分析,并且解决了叶片频率共振的问题,从而为主要通风机叶片结构设计提供理论依据,并对主要通风机叶片的安全运行提供保障。     

2013 NdFeB export analysis

<正>China totally exported nearly 24,000 tonsof NdFeB products during 201 3,including 18,825 tons of permanent magnet,valued USD 1.34 billion at an average price of 71.4 USD/kg;3,277 tons of NdFeB magnetic powder,valued USD 1 01 million at an average price of 30.9 USD/kg;1,334 tons of strip casting ribbon,with total export value of USD 74million at an average price of 55.3 USD/kg;and 586     

Market and recycling of NiMH battery

<正>Market status and future trend of NiMH battery1.Global market of small NiMH battery Global market size of small NiMH batteries declined year on year since 2011.The trend will continue to 2018,at the rate of 5%to 10%annually.Demand for small NiMH batteries will be stable gradually.Many electrical apparatuses are powered by the built-in lithium battery today,which is the main reason for the shrunk market of small NiMH batteries.But,for some products,small NiMH     

China rare earth market review

正September 1-10,2014 Affected by the National Day holiday,rare earth transaction was stagnant and the market showed a weak steady state.As there was no good news for downstream market,some products with flat demand would likely rally slightly for some time to     

唐口煤矿深部复杂开采工作面瓦斯分源涌出规律研究

研究工作面瓦斯涌出规律对工作面瓦斯治理有重要意义。为了得到唐口煤矿深部3号煤层复杂开采条件下工作面回采时期瓦斯涌出时空演化规律,选取6304工作面作为对象,采用实测方法研究6304工作面瓦斯涌出规律。结果表明:6304工作面瓦斯涌出量为6.534 m³/min,其中煤壁占34.27%,落煤占29.62%,采空区占36.11%;沿工作面倾向由低到高,瓦斯浓度整体为上升趋势,其中1—76号架工作面瓦斯浓度小于0.20%,76—102号架瓦斯浓度上升明显,最大为0.387%;上隅角的后部采空区是工作面的瓦斯主要涌出源,上隅角1号测点瓦斯浓度0.78%,上隅角周边3号、5号、7号、8号、9号测点瓦斯浓度平均为0.643%;周期来压时,上隅角瓦斯相对平时较高。研究为针对性的瓦斯分源监控与灾害防治提供基础。