钢丝绳

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。

For the sensor and hardware of wire rope tester has been mature, on the basis of the full-scale analysis of history and current situation of wire rope nondestructive testing in the domestic and overseas country, a research direction has been proposed that the feature extraction of the relevant characteristic with the broken wires quantitative inspection and research on effective recognition algorithm.

由于钢丝绳无损检测的传感器和硬件检测装置已基本趋于成熟，论文在全面分析了国内外钢丝绳无损检测技术历史及现状的基础上，针对钢丝信号的特点，确定了以&与钢丝绳断丝损伤定量相关的特征量提取和有效的识别算法&为基础的研究方向。

When the wire rope being used to the largest length, the wire rope left on the roller is no less than 3 rings.

C，当钢丝绳使用到最大长度时，卷筒上钢丝绳剩余量不得少于3圈。

After the vacant test, roll the wire rope, and fix an end of the wire rope with the press plate, the press plate must be pressed firmly with screw.

空转试验正常后，穿绕钢丝绳，将钢丝绳一个端头用压板固定在卷筒一侧，压板必须用螺丝牢牢压紧。

The methods to simulate the wrapping of the wire rope on pulleys and the varying elasticity of wire may give a reference to the system dynamics study for the similar structures varying with time,such as drilling rig,oil well hoisting system.

该仿真模型中解决钢丝绳与滑轮间的缠绕和钢丝绳的刚度随时间变化的方法也可为研究钻机、矿井提升系统等类似的时变结构系统动力学时借鉴。

Canvas varieties have oil wax canvas, silicone cloth, cotton canvas, PVC waterproof canvas, Oxford cloth, three anti-camp, fire camp, PVC mesh folder , color of the cloth, non-woven, industrial canvas, etc.; canvas sheeting products mainly include travel, freight yard Gabe, open warehouses, machinery and dust mask, ventilation pipe soft connections, Army to use tents, containers Roof side cloth and cord, and then machine cover Peng, floods with protective cloth, offshore platforms operation with wind walls, etc.; other products have nylon ropes, PVC steel wire rope, steel wire rope PVC container, diameter 6 -40mm corns, automobile use bandages, container yard with wind bandages, nylon sling, the old canopy covering demolition patch-free (using hand-held hot-pressing machine) and so on.

帆布品种主要有油蜡帆布、有机硅布、全棉帆布、PVC防水帆布、牛津布、三防帆布、防火帆布、PVC夹网布、彩条布、无纺布、工业帆布等；帆布制品主要有车船蓬布、货场盖布、露天仓库、机器防尘罩、通风管道软连接、军用帐篷、集装箱顶蓬布及侧帘布、接机遮蓬、抗洪救灾用防护布、海上平台作业用挡风墙等；其它产品主要有尼龙绳、PVC钢丝绳、集装箱专用PVC钢丝绳、内径6-40mm鸡眼、汽车用绑带、集装箱堆场用防风绑带、尼龙吊带、旧篷盖布免拆修补等。

According to the feature of the layout of draught steel wire rope of trolley of quayside container gantry crane, and consideration of the problem of the rope s replacement and its unsafe factors, this paper gives a method to improve it, so that the replacement of the rope and the working safety are fully enhanced.

针对岸桥托架小车牵引钢丝绳缠绕系统的机构布置特点，结合钢丝绳更换施工所存在的问题和不安全因素进行优化改造，极大地提高了换绳效率，施工安全得到充分的保障。

It s rope trolley type has mainly single trolley basic type with wire winding system, single trolley with through grab wire coinding type, double trolley type with main trolley and compensation trolley ,single trolley with four drums and planet reducer synchronous type and single trolley with four drums and electric synchronous type.

其牵引小车的型式主要有单小车钢丝绳缠绕系统基本型，单小车钢丝绳贯穿抓斗缠绕式，带有主小车和补偿小车的双小车式，单小车四卷筒行星减速驱动同步型，单小车四卷筒电气同步型。

Many ropes of fall to the ground type rub to promote the machine to replace a cage craft complications,start construction method mainly from fix a cage of the east side the steel wire rope,take off a bottom of west the tail rope combine fixedly,hang the west bottle with to equip to take off to open,pull up the west bottle.

落地式多绳摩擦提升机更换罐笼工艺复杂，施工方法主要由固定东侧罐笼钢丝绳，摘西罐底尾绳并固定，将西罐与悬挂装置脱开，拉出西罐，新罐笼进入井口，新罐笼与悬挂装置、尾绳连接，新罐笼改由提升绞车牵引，解除东罐笼钢丝绳的约束，试运行等步骤组成。

Hydraulic pressed machine, hydraulic insertion machine, horizontal testing machine, textile lifting sling, open wedge socket, shackle, wire rope sling, lifting chain.

8F31 钢丝绳压套机，钢丝绳插套机，拉力实验机，吊装带，楔型接头，卸扣，钢丝绳索具，起重链条。

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