液压挖掘机

液压挖掘机智能CAD策略研究

Study on the strategy for intelligent CAD in hydraulic excavator

液压挖掘机工作装置的CAE技术研究与应用

Application and Study on CAE for Working Equipment of Hydraulic Excavator

基于DSP的液压挖掘机机械臂操控系统设计

Design of Control System for Manipulators of Hydraulic Excavator Based on DSP

液压挖掘机节能参数自适应模糊PID控制器研究

Energy-saving PID fuzzy controller with self-tuning parameters of hydraulic excavator

液压挖掘机工装轨迹的PID仿真技术

PID simulation technique about technological device trace of hydraulic excavators

液压挖掘机工作装置在ADAMS中的运动仿真分析

Hydraulic Excavator Working Device of the Movement in the ADAMS Simulation Analysis

使用UG建立了液压挖掘机工作装置的三维模型。

Three-dimensional model of excavator work device is established using UG .

基于VegaPrime的液压挖掘机运动仿真

Movement simulation on hydraulic excavators based on Vega Prime

在分析单神经元PID特性的基础上，设计了基于单神经元的液压挖掘机自适应PID节能控制器。

An adaptive PID controller for energy-saving of a hydraulic excavator based on the single neuron concept was designed on the basis of the fact that the single neuron features the PID characteristics .

以液压挖掘机一体化智能CAD系统为例，介绍了以中心数据库为核心的一体化CAD系统的实现方法，并着重分析该中心数据库的组成、结构和设计思想。

Taken intergration of CAD for hydraulic excavator , The realization of integration with center database as its core Is introduced . in particular , analysis of design , structure and component of the center database is presented in detail .

然后对柴油机的工作特性及液压挖掘机的工作特点进行分析，建立了整个柴油机的简化数学模型，并采用柴油机分工况速度反馈PID控制来稳定工作转速。

Afterwards , the diesel engine model is established based on the analysis on the diesel performance and hydraulic excavator working feature . In order to maintain the working speed of the engine , the speed feedback control is applied .

导轨悬挂式液压挖掘机240m高单筒式烟囱电动升模外架单爬施工技术

Single Climbing Construction Technology of External Frame for Electric Climbing-form in 240m High Single-cylinder Type Chimney

本文在分析挖掘机性能要求的基础上，以VB6.0为开发工具，开发了正铲液压挖掘机工作装置优化设计软件。

In this paper , on the basis of analyzing excavators ' performance , the author develops a new powerful optimum design software for working-device of hydraulic face-shovel with the VB6.0 as development tools .

针对液压挖掘机工作装置大臂常出现裂纹现象，采用3-D软件PRO/E建立了整个工作装置的实体图，在有限元软件ANSYS下对其工作过程进行了动力学分析。3.采用ASP。

Aimed at the crack phenomena appearing at the lift arm of hydraulic excavator , the 3-D model about the whole working mechanism is built with the software of PRO / E , and the dynamic analysis is taken by using the finite element software ANSYS .

本文探讨了智能CAD软件的实现策略和方法，重点分析了利用专家系统开发工具构造复杂机械专家系统的关键问题和步骤，给出了液压挖掘机智能CAD实例。

In this paper the strategy and methods for intelligent CAD software are discussed and the key problems and procedure in using ex - pert system developing tool to create expert systems for complicate machines are emphasized . Some practical examples of intelligent CAD for hydraulic excavators are also presented .

WY1.5液压挖掘机的计算机控制

The Computerized Control of WY 1.5 Hydraulic Excavator

对预见PID控制进行了分析，给出了相应算法，并应用于液压挖掘机工作装置的轨迹控制过程中，试验结果表明，控制算法可行，控制效果优于未引进预见信息的PID控制。

A PID control technology based on preview is presented . The method is used to improve the control of hydraulic excavator attachment . The experiment results show that preview PID control is more reasonable and effective than PID control when preview information in the working process can be used .

并利用有限元软件ANSYS对工作装置进行了强度分析，快速准确地计算出其受力和变形情况，保证了液压挖掘机结构的合理性和工作性能的可靠性。

Furthermore , the strength and stiffness of the working equipment is analyzed by ANSYS , by the method , we can quickly and relatively accurately get the stresses and the displacements of the structural parts , ensuring the reasonableness of structure design and the reliability of machine working performances .

本文介绍了EX220-3型液压挖掘机回转过程中回转停放制动器的控制与回转缓冲的控制。

This paper introduced the control of a gyration brake and gyration cushion of EX220-3 hydraulic excavator .

对比结果表明，从理论上讲，对于本文所分析的仿生挖掘斗的切削性能，优于某公司生产的6T液压挖掘机的铲斗的切削性能。

The contrast result indicated that , theoretically speaking , the biological excavator bucket model analyzes which regarding this article obviously surpasses the 6 T hydraulic pressure excavator bucket which some company produces .

目前国外大型液压挖掘机制造技术已非常成熟，最大机型斗容为50m3，机重达900t。

At present the foreign manufacturing technology of large-scale hydraulic excavator is very mature , and the biggest type with bucket capacity of 50 m3 , machine weight of 900 tons .

W4-60C型液压挖掘机的工作装置采用手柄人力操纵，影响挖掘机作业率的正常发挥和作业的稳定性。

The attachment of W4-60C hydraulic excavator is controlled by a hand-operated joystick , which can not give full play to the productivity and operation stability .

单斗液压挖掘机工作装置运动学分析的矩阵法

Matrix Method of Kinematic Analysis of Single bucket Hydraulic Excavator Attachment

浅谈液压挖掘机几种工作系统的应用

Brief Talking about Application of Several Working Systems for Hydraulic Excavator

基于比例阀的液压挖掘机振动掘削控制系统设计

Design a Vibratory Excavation Controlling System Based on the Proportional Valve

液压挖掘机电液位置控制系统动态分析与仿真

Simulation and Analysis of Electro-hydraulic Position Control System for Hydraulic Excavator

液压挖掘机工作装置与液压系统设计的研究

Design Study on the Hydraulic Excavator 's Attachment and Hydraulic System

液压挖掘机自适应模糊滑模控制的研究与仿真

Research and Simulation of Hydraulic Excavator 's Adaptive Fuzzy Sliding Control

液压挖掘机磨损柱塞的电刷镀修复工艺

Brush Electroplating Repair Technics of Worn Cylinder of Hydraulic Pressure Grab

液压挖掘机斗杆作业速度问题的探讨

Discussion on Work Speed of Dipper Stick of a Hydraulic Excavator