Since the main failure reason of the steel rope is the fatigue of the metal, the fatigue reliability design of the crane steel rope can be executed by means of stress-strength interference model.
根据起重机钢丝绳失效主要是金属疲劳的原理，采用应力-强度干涉模型，对起重机钢丝绳进行了疲劳可靠性设计。
The article describes how to do NDT and analyse testing result in use crane steel wire rope, so that find wire rope fault.
本文主要是介绍如何对在用起重设备钢丝绳进行无损检测以及如何对检测结果进行分析来发现钢丝绳缺陷。
The spreader is linked to the crane through the rope, and its motion state is changed complicated in three-dimension with the accelerating and decelerating of trolley, hoist and gantry.
随着起重机大车、小车及起升机构的加速和减速，由钢丝绳连接的吊重的运动状态表现为一个复杂的空间运动。
The common structures of hoist rope, breadth changing rope and pulling rope for tower type crane are given.
介绍塔式起重机用钢丝绳的选择原则，给出起重机起升钢丝绳、变幅钢丝绳及拉绳的常用结构。
Floating crane structure mainly include boom, amplitude varying wire rope, tied back wire rope, truss frame, A-frame, counterweight box, rotating machinery base, and rotary bearing structure.
浮吊结构包括臂架、变幅钢丝绳、系固钢丝绳、桁框架、人字架、配重箱、回转底盘总成及回转支承等部件。
Hand in single rope grabs crane practical, is a hand in the air through the cords of discharging single rope grabs can open to grab ship.
手拉单绳抓斗实用于单勾起重机上，是一种通过手拉绳索在空中能打开卸料的单绳抓斗，多用于船上。
Two sorts of failure form of the crane wire rope were analyzed.
本文分析了起重钢丝绳的两种失效形式。
Wire rope type Marine crane Generally used for bulk carriers, multi-purpose ship type, tonnage usually from 10 tons to 50 tons.
钢丝绳式船用起重机普遍用于散货船，多用途船型，吨位在10吨到50吨之间为主。
Mechanical timber grab is equipped according to the characteristic of crane, which could be divided into three species, that is single rope, double rope, and four rope.
绳索式木材抓斗按起重机特性适配，常用类型有单索、双索和四索三种。
Through the modal analysis, it is found that main vibration modes of floating crane structure are swing of rope-load system and vibration of boom, and the vibration frequencies are low;
通过模态分析发现，浮吊结构的振型主要表现为主钩钢丝绳-吊重系统摆动和臂架振动，振动频率都很低；
Through the modal analysis, it is found that main vibration modes of floating crane structure are swing of rope-load system and vibration of boom, and the vibration frequencies are low;
通过模态分析发现，浮吊结构的振型主要表现为主钩钢丝绳-吊重系统摆动和臂架振动，振动频率都很低；
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