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CTY12·3型全液压轮胎式掘进钻车,是天水风动工具厂根据国家机械工业委员会和甘肃省重点新产品试制计划承担研制的,具有80年代世界先进水平的全液压凿岩设备。该钻车已于1987年4月22日至8月25日在铁道部第十九工程局第二工程处溪-田线(本溪至田师付)八盘岭隧道,完成了全断面掘进450米,作业592小时,累计凿岩54473延米的工业性试验,并于1987年8月27日正式通过部级技术鉴定。一、用途 CTJY12·3型全液压钻车配置三台
CTY12 · 3 Full Hydraulic Trenching Drilling Rig is a fully hydraulic rock drilling rig developed by Tianshui Fengdong Power Tools Factory under the National Machinery Industry Commission and the pilot project of key new products in Gansu Province. The drilling rig was completed on April 28, 1987 to August 25, at the Bupingling Tunnel of Xianyan Line (from Benxi to Tian Shi Fu), No. 2 Engineering Department of the Ministry of Railways 592 hours of operation, an accumulated industrial test of 54,473 meters of rock drilling, and formally passed ministry-level technical appraisal on August 27, 1987. First, use CTJY12 · 3 full hydraulic drilling configuration three