扭杆

The origin、 development and present state of the container ship2. The deformation characters and collapse mode of the container ship3. The basic theory of thin-walled structural mechanics: The bending of the thin-walled beam; The unconstrained torsion of the thin-walled member bar; The constrained torsion of the thin-walled member bar with opening; The constrained of the thin-walled member bar with closed port.4. The calculation of the warp stress in the container ship based on the thin-walled structural mechanics theoryModeling of the hull ladder calculation based on referred mechanics theories of thin-walled member bar, calculation of crankle character of the each section, such as sectional coordinates、 Free twist shear flow、 secondary shear flow、 bend shear flow and so on.

本文主要包括下述六个方面的内容： 1 集装箱船的起源、发展和现状 2 集装箱船变形特征和破坏形式 3 薄壁结构力学的基本理论◇薄壁梁的弯曲；◇薄壁杆件的自由扭转；◇开口薄壁杆件的约束扭转；◇闭口薄壁杆件的约束扭转 4 利用薄壁结构力学理论计算集装箱船的翘曲应力建立船体阶梯计算模型，利用薄壁杆件力学中相关理论，求解各断面单元的弯扭特性，包括：扇性坐标、自由扭转剪流、二次剪流、弯曲剪流等。

In response to distortional double coordination about deflection and torsion in the storied covery in which major and secondary beam s are used,utilizing the angle distortion displacement method and moment equilibrium distribution method of deflection and torsion yields the calculation formula of displacement.

针对主、次梁楼盖中正交梁系弯扭变形双协调问题，采用弯扭角变位移法与弯扭力矩综合平衡分配法，推导出杆端位移、弯矩及扭矩的计算公式。

Employing the Hopkinson torsion-tension combination bar system, the constitutive relations of soft aluminum under torsion-tension combined high strain—rate was obtained, The constitutive relations of Monel alloy under Dual—direction shearing high strain—rate was also investigated after special modification of above apparatus.

本文还利用分离式扭—拉复台霍布金森杆设备测试软铝在高应变率扭—拉复合载荷作用下的本构关系，并将该设备经特殊改装测试了蒙纳尔合金在高应变率双向剪切下的力学特性，目前也尚未见这方面的公开资料。

The utility model discloses a magnetic lift device which comprises a main magnetic lift part, a rotating pole bracket, a transmission supporting saddle, a left rotating pole and a right rotating pole. A turning plate yoke device is arranged on the upper surface of the main magnetic lift part, and the turning plate yoke comprises a yoke head, a yoke head base, a constringent spring, a pulling rope as well as a rope sling. The yoke head is arranged slidingly in the hollow cavity of the yoke head base, and the constringent spring is arranged at one end inside the yoke head. One end of the pulling rope is fixedly connected with the inner end of the yoke head, while the other end is fixedly connected with the rotating pole. The rope sling is sleeved outside the pulling rope. A yoke platform matching with the lower surface of the front end of the yoke head is arranged at the tail end of a back support foot.

本实用新型公开了一种起重磁吊装置，包括磁吊主体、转杆支架、传动支座、左右转杆，在磁吊主体的上平面上还设置有翻板卡位装置，翻板卡位装置包括卡位头、卡位头座、压缩弹簧、拉索和索套；卡位头滑动设置于卡位头座内的中空腔体内，卡位头内端一侧设置有压缩弹簧；拉索的一端与卡位头内端固定连接，另一端与转杆固定连接；索套套设于拉索之外；后支脚尾端设置有与卡位头前端下平面相匹配的卡位平台；翻板转轴上套设有扭簧。

There are two causes leading fractures of the endodontic instruments. Firstly as the value of the toque inc1ases beyond the limited toque, the instrument will twist with no increase in toque and will fracture soon. The value of limited toque is proportional to 3 squares of the file radius.

根管器械断裂的原因主要有2个：一是扭转超过极限扭距，器械顺着扭转的方向发生塑性扭转直至断裂，圆杆的极限扭距与其半径的3次方成正比；二是器械在循环载荷下发生疲劳损伤，最后突然断裂。

The stability and bifurcation of a thin elastic rod under tension and twist are analyzed, and the results can be applied to determine the stability of a thin helical rod by use of the equivalent stiffness.

分析受拉扭弹性细杆的稳定性和分岔，且利用等效刚度概念将弹性杆的稳定性条件应用于对细长螺旋杆稳定性的判断。

The results showed that the performance of the drill pipe joints was in line with standard and the main reason was that the making up torque was inadequate.Drill pipe joints in underground unrestrained tightening-up caused the drill pipe joints to bear the excessive load more than their anti-torque yield strength.

结果表明：钻杆接头的各项性能指标均符合标准规定，失效的主要原因是上扣扭矩不足，钻杆接头在井下无节制旋紧，致使钻杆在井下的自上扣扭矩超过了钻杆接头的实际抗扭屈服强度。

6OSi2Mn is widely used to produce the cab tilting torsion bar domestically while 45 steel is also used overseas.

目前国内普遍采用6OSi2Mn制造驾驶室翻转扭杆，但国外也有采用45钢。

The polymeric composite blade with advanced aerodynamic profile is semi-rigidly attached to the hub by a torsion bar.

与先进的聚合物复合材料叶片的气动专页半刚性连接到集线器由扭杆。

The torsion bar suspension is molded into the chassis sides.

底盘上还有扭杆式悬挂的细节。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了