The hinge is apt to be pull apart and the strength of the hinge connection is insufficient owing to the action of the elevating force in the course of casing lifting.
在套管的提升过程中，由于提升力的作用，铰链接头的失效形式一般表现为铰链拉脱或强度不足。
The mechanical model of the casing between two adjacent stabilizers is discussed, and it is indicated that the action of bending torque at the hinge points should be considered.
讨论了相邻两扶正器问套管的力学模型，指出在铰支处应加上弯矩的作用。
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