lifting rig
常见例句
- The tubing string lifting velocity of the conventional mechanic rig under each particular gear is constant.
常规机械式修井机每一档下的管柱起升速度为常量。 - Using the modal analysis method in this paper, the vibration characteristics of ZJ50J double-lifting mechanical driven oil drilling rig (patent No. 352466) is studied.
应用模态分析技术、振型截断法,对专利证书号第352466号的ZJ50J双升式机械驱动石油钻机振动特性进行研究。 - The sequent wire-pulling is used in electric powered rig as it has smooth lifting system and cross wire-pulling is used in mechanical rig as balanced force relief impact force by compressed ai.
顺穿法一般在电动钻机上采用,主要考虑到电控操作提升系统比较平稳; 花穿法一般在机械钻机上使用,以受力平衡来缓解气控操作带来的冲击载荷的影响。 返回 lifting rig