CTQ-Z120Y Crawler hydraulic drilling rig is mainly suitable for rock blasting hole drilling in open mining, water conservancy, power plants, roads ect.
CTQ - Z 120y型履带式液压钻机主要适用于露天矿山开采，水利，电站，筑路等石方爆破孔凿岩。
The engineering practice has proved that these methods solved successfully the problem of great caliber drilling in weakly weathered rigid rock by hydraulic piling rig.
工程实践证明，这些方法成功地解决了上述条件下弱风化硬岩中大口径钻进的难题。
The bonding technique was applied in maintenance of hydraulic workover rig and drilling pumps too.
还介绍了在液压修井机和钻井泵维修过程的应用情况。
The description covers full-hydraulic core drilling machines, portable drills, geo-thermal drills, offshore and beach sampling equipment, all-casing drilling rig, etc.
介绍的主要设备有全液压岩心钻机系列、轻便设备系列、地源热泵钻机、浅海及滩涂取样钻机、全套管钻机等。
It is significant to improve the hydraulic system for better performance of drilling rig and the higher ratio of finishing gas hole.
提高全液压坑道钻机液压系统的技术水平，对于改善钻机整机性能及提高瓦斯抽采孔的成孔率具有重要意义。
The paper mainly introduces hydraulic system of DCS12 rock drilling rig about main cause of heating and low voltage and means of diagnosis and treatment.
主要介绍了凿岩台车DCS12液压系统发热、欠压的主要原因及诊断、处理的办法。
Planes from the drilling rig, drill pipe to send and entrusted pipe hydraulic cylinder are used, safe and reliable.
钻机的起架、送钻杆、托钻杆均采用了液压油缸，安全可靠。
Analyzed causation of TK-3 hydraulic vertical shaft coring drilling rig easy to bring hydraulic chuck failure, get stuck with actuating rod etc, put forward two alteration schemes.
根据TK - 3型液压立轴式岩心钻机结构分析产生液压卡盘失灵、主动钻杆卡死等故障的原因，提出了两套改造方案。
By using Shengli No 3 offshore platform as an example, the importance and procedure of maintenance of the hydraulic systems of the top drive drilling rig are introduced.
以胜利三号平台为例介绍了顶驱钻机的维护系统及其重要性。
The utility model relates to a brake block automatic returning device which is applied to a hydraulic-disc type braking system of an oil drilling rig.
刹车块自动回位装置，应用于石油钻机液压盘式刹车系统。
The utility model relates to a brake block automatic returning device which is applied to a hydraulic-disc type braking system of an oil drilling rig.
刹车块自动回位装置，应用于石油钻机液压盘式刹车系统。
应用推荐