SL170型旋转水龙头有限元分析及结构改进

为了研究SL170型旋转水龙头可能存在的结构安全问题,利用ANSYS Workbench软件对其进行了有限元分析,得到了试验载荷下的水龙头各部件的应力分布情况,根据API Spec 8C标准校核其强度。分析结果表明:水龙头的静强度符合规范要求。壳体和中心管部位出现了部分应力集中的现象,提环上部中截面应力水平较高,销轴截面剪切作用与压力耦合产生了应力分布不均。基于实际服役工况进行了疲劳寿命的预测,提出了结构优化思路,为此类水龙头的设计提供参考。

深圳将全面推行节水型水龙头 旋转式水龙头将淘汰

深圳将全面推行使用节水型器具。从深圳市水务局节水办获悉，从7月份开始，全新节水型器具将在新建项目中强制实行，继而向全社会普遍推广，最终把老式旋转式水龙头全部淘汰。

Stroke optimization of a novel multi-station rotary polishing robot based on workspace analysis

In order to meet the polishing requirement of faucets and other products,a novel multi-station rotary polishing robot is designed,which is a PPPR + RR type of degree of freedom( DOF) distribution structure,and is similar to dual-arm robot. Forward and inverse kinematic analysis is carried out by robot modeling. In order to make this robot structure more compact,first of all,X,Y and Z three moving degrees of freedom( DOF) limit stroke polishing need is calculated by using an artificial fish swarm algorithm,which analyzes dexterous workspace of this robot. Then,on the basis of the above analysis,the three DOF stroke is optimized. Simulation and polishing experimental results verify that this polishing robot with optimized stroke parameters can meet the polishing needs of faucets and other bathroom pieces.

塑料桶的大意义

我家住在农村,但和城里一样,洗手间、厨房、阳台,到处都是自来水管,轻轻地旋转水龙头,水便欢笑着哗哗哗地跑出来.不过奶奶可不允许我们随便使用它们,因为奶奶是我们家的'水司令',对全家的用水作了'统筹规划'。走进我家,首先吸引你眼球的是大大小小的塑料桶。每天,奶奶会把淘米、洗菜、洗碗的水接起来,倒进桶里。洗衣机这个产'废水'大户,奶奶更不会放过,她把漂洗过的水一桶一桶地接住。