论述了对控制臂拓扑优化时,其优化空间的确定和载荷工况的确定方法。
The methods of determining design space and loading conditions for the optimization are presented in detail.
计算了飞机机翼加劲板和飞机起落架旋转臂在复杂谱载荷作用下的疲劳裂纹扩展寿命。
The fatigue lives of the stiffened panel of a wing and the landing gear of an aircraft under spectrum loadings also have been predicted.
随机载荷作用下铁路起重机伸缩臂模糊可靠性分析。
Fuzzy Reliability Analysis of Railway Crane Telescopic Jib under Stochastic Load.
空间机械臂在发射时承受极为恶劣的载荷环境,为确保机械臂在发射工况下不被损坏,利用包带式锁解机构对其进行了可靠锁紧。
For the sake of insuring the mechanical arm would not be damaged under the working condition of launching, a reliable locking was carried out by the use of belting typed lock-unlock mechanism.
该系统能够有效连续地测量车辆在吊臂或支臂承载一定载荷时的臂架旋转角度和倾斜角度以及支腿的受力情况。
The system can effectively and continuously measure the boom's rotation angle and tilt angle, and the force exerted on the supporting leg when there are certain loads on the boom.
结论吊重起升加速度对起重机动载荷的影响较大,特别对主臂内的动弯矩的激励更加明显。
The influence of load hoisting acceleration on dynamic forces is obvious, especially on dynamic bending moment of the main boom.
非线性屈曲分析结果较之特征值屈曲分析结果更能反映实际情况,得出当吊篮载荷分别为12058N和10126N时,臂节4和伸缩臂会发生局部失稳现象。
The nonlinear buckling analysis is sufficient to simulate the actual situation, draw telescopic arm section 4 and the overall buckling load when the hanging baskets were 12058N, and 10126N.
利用模糊数学方法,通过模糊综合评判,确定了转臂轴承的模糊平均当量动载荷,并计算了转臂轴承的模糊可靠性寿命。
Fuzzy average equivalent dynamic load of arm bearing is calculated by using fuzzy mathematics method and fuzzy comprehensive evaluation. Fuzzy reliability life of arm bearing is calculated.
立柱、摇臂、摆臂和磨辊等是辊式磨的主要部件之一,在物料粉磨的过程中受到的动载荷、冲击载荷作用。
Column, rocker, roller, etc. are ones of the main components of roller mill, in the process of grinding materials, they are affected by dynamic loads and impact loads.
应用该软件分析了起重机臂架的稳定性及其极限载荷,分析结果验证了本文所提方法的有效性。
The bucking analysis of actual crane boom is done using this software, and the results of analysis verify the correctness and effectiveness of the methods in this paper.
本文以管形变截面臂架为例,证明用能量法求臂架的屈曲载荷相当准确。
Present paper takes a tubular boom as an example to prove that it is precise enough to use energy method to find buckling load of a boom.
对塔机双吊点水平动臂在主载荷下的线性和非线形变形,拟建立其通用的变形方程组,以便对其变形和内力进行普遍的计算。
This paper will establish a general deformation equation group for two-hanging point horizontal boom of tower crane, therefrom its deformation and internal force can be universally calculated.
日本的“基博”实验室如此巨大,以致占满了整个有效载荷舱,“发现”号在五月飞行时没有检查臂的空间。
Discovery won't have room for a boom when it flies in May; the Japanese Kibo lab is so big it will take up the entire payload bay.
日本的“基博”实验室如此巨大,以致占满了整个有效载荷舱,“发现”号在五月飞行时没有检查臂的空间。
Discovery won't have room for a boom when it flies in May; the Japanese Kibo lab is so big it will take up the entire payload bay.
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