查询词典 pulley

The skillful design of the pulley block makes the largest door leaf able to bear the 400kg dead load of the leaf.

滑轮组的巧妙设计，使最大门扇可承受400公斤的门扇自重。

Simple manually vertical hoisting method and horizontal transport method by pulley block are introduced, which may serve as reference for the same kind projects.

介绍了屋面长尺压型板近年来在我国的使用情况及长尺压型板的施工技术，即人工垂直吊装和利用滑动小车水平运输的简易方法，为同类工程施工提供借鉴。

During repairing , they opened the cylinder cover and lifted out the piston with a pulley block.

在修理中，他们用滑车组打开汽缸盖，吊出活塞。

Fig 3. A single-line, redirected pull. When you don't have a straight clean line to the anchor point, use a pulley block.

图3：如果没有一个直线的支点可用，或者需要将汽车拉向特殊的位置，则需要寻找两个支点，并向滑轮吊钩来连接。

Max. extension length of lifting pulley block

H1： 起升滑轮组的最大伸展长度

This knot, from the figure eight family, is used mainly as a stop knot to prevent a free end of rope from running through a pulley or a block.

此结为八字型结的一种，主要用于防止绳子末端从滑轮滑出。

This thesis is based on crane dynamic theory and finite element theory, and utilized software platform of ANSYS. It realizes model analysis and transient analysis of steel rope and bridge structure. The data and conclusion offered effective method to bridge crane design. The thesis mainly includes:According to crane dynamic theory, established relevant dynamic model, and analyzed the dynamic properties of the bridge structure of the bridge crane, including the natural frequency, the model shape and the dynamic stress. A way to analyse the dynamic response of the bridge structure of the bridge crane which takes into account the dynamic properties of the steel rope pulley block has been explored successfully.

本文基于有限元理论和起重机动力学理论，以有限元分析软件ANSYS为平台，实现了计算机对钢丝绳系统和桥架的模态分析和瞬态动力学分析，得到的分析数据和结论对桥式起重机动态设计提供了有效的手段，论文主要内容包括：根据起重机动力学理论，建立了相关动力学模型，并对桥架结构进行动态性能分析(包括固有频率、振型以及动应力)的分析，探索出一种考虑钢丝绳滑轮组的动态特性在内的桥式起重机桥架结构动态应力分析的方法。

The hoisting plan was to set up an A shaped mast of 24m long and a pulley block on the platform at the altitude of 40m located on regenerator top; a cable hoister was applied to lifting.

该吊装方案是：在再生器顶部标高40m的平台上设置一组长24m的A型推扒杆及相应的滑车组，利用卷扬机提升。

The thesis mainly includes: According to crane dynamic theory, established relevant dynamic model, and analyzed the dynamic properties of the bridge structure of the bridge crane, including the natural frequency, the model shape and the dynamic stress. A way to analyse the dynamic response of the bridge structure of the bridge crane which takes into account the dynamic properties of the steel rope pulley block has been explored successfully.

本文基于有限元理论和起重机动力学理论，以有限元分析软件ANSYS为平台，实现了计算机对钢丝绳系统和桥架的模态分析和瞬态动力学分析，得到的分析数据和结论对桥式起重机动态设计提供了有效的手段，论文主要内容包括：根据起重机动力学理论，建立了相关动力学模型，并对桥架结构进行动态性能分析（包括固有频率、振型以及动应力）的分析，探索出一种考虑钢丝绳滑轮组的动态特性在内的桥式起重机桥架结构动态应力分析的方法。

This project uses the large-scale colored engineering plastics pipeline, the software building block, the pulley, the single-plank bridge, the sea ball, the boxing bag, movement equipments and so on recreation bouncer, both security and stimulation and interesting, it can display and raise youth's power of thought fully and overcomes the difficult positive enterprising spirit, can play exercises body's role, is the youth hundred plays does not tire, very likes amusement facility.

该项目采用大型彩色工程塑料管道，软体积木，滑车，独木桥，海洋球，拳击袋，蹦床等运动器材，既安全又刺激和趣味性，它能充分发挥和培养少年儿童的思维能力和克服困难积极进取的精神，能起到锻炼身体的作用，是少年儿童百玩不厌，十分喜欢的游乐设施。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐