斜面增力式液压卡盘的设计与应用
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摘要
针对现有煤矿用全液压钻机胶筒式液压卡盘存在的问题,分析了液压卡盘的设计要求,提出了斜面增力式液压卡盘的总体方案。通过结构分析和理论计算,设计了一种6 500 N·m钻机配套的斜面增力式液压卡盘。该卡盘具有结构简单,拆装方便,安全可靠,施工效率高等特点。并在6 500 N·m全液压钻机上使用,在淮北杨柳矿进行了现场工业性试验;试验表明该卡盘可靠性高,便于维护,能有效提高生产效率,降低生产成本。
Aiming at the existing problems of cylinder type hydraulic chuck of full hydraulic drill used in coal mine, the design requirements of hydraulic chuck was analyzed and the overall scheme of bevel type and force-enhancing hydraulic chuck is proposed.Through structural analysis and theoretical calculation, a hydraulic chuck with inclined plane force-enhancing for 6 500 N·m drill was designed. The chuck has the characteristics of simple structure, convenient disassembly, reliable, and high construction efficiency. It is also used on 6 500 N·m all-hydraulic drilling rig, and industrial test was carried out in Yangliu Mine in Huaibei. The test showed that the chuck is reliable, easy to maintain and can effectively improve production efficiency and reduce production cost.
Aiming at the existing problems of cylinder type hydraulic chuck of full hydraulic drill used in coal mine, the design requirements of hydraulic chuck was analyzed and the overall scheme of bevel type and force-enhancing hydraulic chuck is proposed.Through structural analysis and theoretical calculation, a hydraulic chuck with inclined plane force-enhancing for 6 500 N·m drill was designed. The chuck has the characteristics of simple structure, convenient disassembly, reliable, and high construction efficiency. It is also used on 6 500 N·m all-hydraulic drilling rig, and industrial test was carried out in Yangliu Mine in Huaibei. The test showed that the chuck is reliable, easy to maintain and can effectively improve production efficiency and reduce production cost.
引文
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[2]姚宁平,孙荣军,叶根飞.我国煤矿井下瓦斯抽放钻孔施工装备与技术[J].煤炭科学技术,2008,36(3):12.
[3]白稳乐,姚宁平,宋海涛,等.底抽巷全断面履带钻机关键技术研究与应用[J].煤矿安全,2017,48(1):113-115.
[4]魏欢欢,殷新胜.胶筒式液压卡盘存在的问题及改进[J].煤田地质与勘探,2017,45(5):186-190.
[5]冯德强.钻机设计[M].武汉:中国地质大学出版社,1993.
[6]辛德忠,龚宪生,王清峰.基于负载自适应的煤矿用钻机卡盘动态夹紧理论[J].煤炭学报,2013,38(3):498-504.
[7]江进国,常江华,姚宁平,等.基于ANSYS的液压卡盘胶筒的应力分析与优化[J].煤田地质与勘探,2007,35(5):77-80.
[8]郭湧.钻机液压卡盘胶筒数值分析及结构改进[J].煤炭工程,2012(7):115-117.
[9]田宏亮,胡少韵.沟槽式卡瓦与钻杆摩擦系数的试验研究[J].煤田地质与勘探,2003,31(1):62-64.
[10]沈玺,宋小青.坑道卡盘的设计[J].地质装备,2013,14(4):11-13.
[11]李学忠.钻机全液压卡盘研究[J].煤矿机械,2015,36(12):155-156.
[12]彭涛,姚亚峰,宋海涛,等.氮气弹簧液压卡盘的设计与分析[J].陕西科技大学学报,2013,31(3):130.
[13]彭涛,吴晓光,姚宁平,等.矩形截面弹簧在钻机液压卡盘中的应用设计[J].煤炭工程,2010(3):99-101.