15. Development of Jacking Unit equipped with Automatic Torque Balancer and Leg Holding System

概要

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A new consolidated jacking unit was designed, analyzed theoretically and experimented to cope with the deeper and harsher environmental conditions in the oil drilling activities. Conventional fixation systems work independently from the jacking systems while the captioned unit can be operated to consolidate the leg holding function of jacking system and leg holding system. A proper load distribution among these two systems is realized by the automatic torque balancer which controls the pinion motor torque A 1/2.5 scaled experimental model weighing 20 tonf was manufactured and tested by the 3000 tonf load test rig and found satisfactory with the obtained results, such as elevating capacity, automatic torque balance and leg holding capacity.
社団法人日本船舶海洋工学会の論文