grab crane

Simulation the working process of the grab bridge crane, we can know the vibration deformation of the main girder.

研究抓斗桥式起重机工作过程中，主梁结构振动变形情况。

Using the high strength rope as a tensile element, the deflection of girders of 20 ton grab crane were corrected by the prestressed ropes. The desired result was achieved.

采用高强度钢丝绳作为张拉元件，对20t抓斗吊车主梁进行预应力法下挠处理，恢复了主梁上拱度，取得预期效果。

The compilation of a computer program to estimate the service life of the box girder is estmated as an example to illustrate the application of this program in conjunction with the observed load spectra in an operating gantry grab crane.

根据对抓斗桥式起重机的现场实测载荷谱，应用编制的计算机程序对起重机箱形梁进行了寿命估算。

On auto-weighing system for grab crane

抓斗起重机自动称量系统的研究与改造

Stress calculation and finite element analysis of cat head like masthead of diaphragm wall grab crane

连续墙抓斗起重机猫头架结构应力计算与有限元分析

Coaxial 3 drum hoisting/ closing mechanism for grab crane The Length Calculation of Hoisting Wire Rope for Crane

抓斗起重机的同轴三卷筒起升开闭机构起重机卷筒钢丝绳双层缠绕起升高度的计算

A Treatment Method of the Metal Structural Cracking in Grab Gantry Crane

抓斗龙门起重机金属结构开裂的处理方法

Automatic Weighing System of Grab Crane and Its Microcomputer Simulation Test

抓斗吊车自动称重系统及其微机模拟调试

There are large number of Mechanical Equipments in modern logistics project, and the grab crane which are mainly reserved for various types of material handling lifting operation play an very important role in this field.

现代物流工程中应用着大量的机械设备，其中，主要用于各类物料装卸转载作业的抓斗起重机械有着非常重要的作用。

Application of Safe Trolley Wire Conduit to Bridge Grab Crane

安全滑接输电导管在桥式抓斗吊中的应用

Double-beam bridge type grab crane

双架桥式抓斗起重机

Describes the hardware arrangement and the corresponding interfacing technique for automatic weighing system of grab crane, presents an easy weighing measure and its software design, and explains the effects of microcomputer simulation in the test.

本文阐述了吊车自动称重系统的硬件原理及其有关的接口技术，提出了一种简便可行的称重计量方法和相应的软件设计方法，并说叫了微机模拟技术在调试中的作用和过程。

Application of PLC in Grab Bucket Crane Electrical Control Circuit Improvement

PLC在抓斗行车电气控制回路改造中的应用

The application of the frequency-conversion control system on 10 t bridge type grab bucket crane

变频控制系统在10t桥式抓斗起重机上的应用

Dynamic test and analysis of dynamic characteristics of a grab crane There are many factors affecting productivity of a grab crane.

抓斗起重机动态测试与动特性研究影响抓斗起重机生产率的因素很多，本文从设计、使用角度对抓斗起重机的生产率进行了分析。

Design of an Intelligent Control System for Port Grab Crane Based on Field Bus

基于现场总线的门座起重机智能控制系统设计