为了确保钻井工人的人身安全和钻井设备的安全运转,大庆Ⅰ—130钻机绞车猫头轴上配备了行星猫头,多年的实践证明,这种猫头确实比死猫头优越得多。本文较详尽地说明了行星猫头的操作及运动原理,指出了这种猫头在运行过程中最易漏失润滑油的部位,并说明了处理漏失的办法。 In order to ensure the personal safety of drilling workers and the safe operation of drilling equipment, Daqing I-130 rig winch has a cat head equipped with a planet cat head. Years of practice have proved that this cat head is much superior to a dead cat head. This paper explains in more detail the operation and movement principle of the planet cat’s head, and points out the parts that the cat’s head can easily lose the lubricating oil during the running process and shows the ways to deal with the leakage.