A multi-rigid body dynamic simulation model of auto-lock mechanism in certain vane system is built on ADAMS platform according to its physical model.
以某飞行器舵系统自锁机构为物理原型,在ADAMS仿真平台上建立了对应的多刚体动力学仿真计算模型,开展了舵系统锁紧性能仿真研究工作,获得了较为完整的仿真结果数据,为该舵系统物理样机的设计提供了一定的基础技术支持。
A kind of hand pressure amplifying device based on two-step orthogonal force amplifying mechanism of linkage with self-locking function on passing the critical position and pinion and rack mechanism is introduced.
介绍了一种过临界点自锁的二次正交连杆增力机构和齿轮齿条机构组成的加压装置。
The self-lock condition of friction is used extensively in engineering.
摩擦中的自锁现象在工程中被广泛利用。
Therefore, it can realize double functions of transmission and self-locking.
提出了一种行星轮系,它的浮动行星轮随主动件的选择不同而具有不同的作用,从而,该种轮系可以实现传动与自锁的双重功能。
The special structure of the new type of bottom unloading bucket is illustrated, and the principle and the properties of the self locking structure as well as the ways of deciding on and calculating the self locking protection angles are discussed.
阐述了新型底卸式吊桶结构的特点，自锁机构的原理及特性，自锁保护角的选取和计算方法，开启装置的设计。
Transmission properties of temporal inactive joints (TIJ) in multi linkage mechanisms were studied by analysing the self locking performance of 4 bar and 6 bar linkages using TIJ concept.
为推导多杆机构的瞬停节传递特性 ,利用瞬停节的概念分析了 4杆机构和 6杆机构的自锁性能。
Efficiency of the Planet Wheel System and Analysis of Self-locking;
行星轮系效率及自锁分析
Biomechanics Experiment and Clinical Research of Humerus Self-locking Intramedullary Nail;
肱骨自锁髓内钉的生物力学测试及临床应用研究
The methods used in overcoming locking problems in constructing the element models are emphatically described.
阐述了一种考虑壳体厚度方向应力及应变的新型壳单元———固壳单元的概念及相关理论基础,着重介绍了构造此单元模型及克服诸多自锁问题所采用的方法,最后给出了数值例子及其应用展望。
At the beginning of the paper,a brief review is conducted on the main finite element methods of plate bending theory and then several basic problems concerning formation of a tip-quality plate element are discussed,such as shear locking,patch test and zero energy deformation mode etc.
木文首先简单回顾了板弯曲有限元分析中的主要方法，接着对构造一具有优良品质的Ｒｅｉｓｓｅｒ－Ｍｉｎｄｌｉｎ板弯曲单元所涉及到的有限元方法中的几个基本问题：“自锁”现象，补片试验，零能变形模式等进行了介绍与讨论，最后建议了推导理想的板弯曲单元的正确的途径。
Basing on the hybrid/mixed finite element method the "locking" phenomenon in shell elements is discussed and the necessary conditions for access to locking free elements is proposed.
本文以杂交/混合有限元为基础,讨论了壳单元的“自锁”现象,论证了避免“自锁”的条件;指出与弯曲应力参数相耦合的膜应力参数和横剪应力参数对“自锁”现象不起任何作用。