pin joint

To overcome the shortcomings of the shear pin type joint and left-hand thread type joint, a sliding sleeve subsurface safety joint is developed.

为了克服剪钉式和反扣式两种安全接头的不足，研制出一种滑套式井下安全接头。

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Shear pin safety joint

剪切销钉式安全接头

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Tibial nerve injury occurred in one case, pin track aseptic inflammation occurred in 8 cases, knee joint flexion contracture occurred in 6 cases, talipes equines occurred in 4 cases.

34例均达到预期延长长度，其中1例发生胫神经损伤，8例出现针道无菌性炎症反应，6例出现膝关节屈曲挛缩畸形，4例出现马蹄畸形，经治疗均康复。

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Internal fixation with S shaped interlocking pin and tension band in acromioclavicular joint dislocation

S形内锁针张力带内固定治疗肩锁关节脱位

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Sleeve joint secures more than a pin joint, it's surface contact with the rim's inner wall is increased yet we're able to maintain it's lightweight properties.

袖套连接比销钉连接更加安全，可靠。这种表面与轮圈内部墙的接触更加增加了我们能维持它的轻量的特性。

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Under the condition of known values for load eccentricity and fundation sink, the stiffness of gaped pin joint is used as the parameter to correct locally the FEA model.

在已知载荷偏心量和基础下沉量的前提下，以销接接触刚度作为参数对有限元模型进行局部模型修正。

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Based on the structural determination of prestress pin joint assembly, the structural characteristics of the prestress pin joint structures are discussed in this paper.

预应力杆件体系的结构判定是预应力结构设计的基本问题，更是新型预应力杆件结构体系研究的重要基础理论。

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The results show that there are the continuous deformation contact phenomena and heterogeneous wear phenomena between the axle box with axle pin of the clearance joint, these phenomena make the amounts of dynamic wear larger where the continuous deformation contact occurs.

计算结果表明副元素间呈现出连续弹性变形现象，在连续变形接触处，动态磨损量较大使磨损加剧，并出现非均匀磨损。

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Shear pin tubing safety joint

剪切销式油管安全接头

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It shows that the stiffness model for gaped pin joint is well feasible. The corrected FEA model is then used to evaluate the safety performance.

在本文中，修正后的模型被用于对模型井架进行安全性能评估。

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