吊杆

舞台吊杆控制系统中操作台与PLC之间的接口及通信系统设计

The Interface and Communication System Between PLC and Operator in the Stage Boom Control System

20吊杆性能统计及σb与HB关系式建立

The Property Statistics of 20 # Boom and Foundation of σ _b and HB Relationship

H型截面吊杆驰振稳定性的数值模拟分析

Numerical Simulation Analysis for Galloping Stability of H-Typed Sectional Suspender

H型截面吊杆气动性能的风洞试验

Wind Tunnel Experiment on the Aerodynamic Performances of H-shaped Booms

本文介绍了一种PLC与PC机相结合的舞台电动吊杆综合保护系统。

This article introduces an integrated protection system of platform booms .

基于MATLAB的吊杆起升时动态载荷的分析

Dynamic load analysis of lift beam during lifting with MATLAB

PLC通信在舞台吊杆控制系统中的应用

Application of PLC 's Communication in Stage Suspender Control System

基于PLC的舞台电动吊杆综合保护系统的研究

A Research in an Integrated Protection System of Platform Booms Based on PLC

不做任何措施的H型吊杆在一定的风速下很容易发生驰振。

The tests results indicate that ( H-shaped ) booms without taking any measures have galloping performance in low speed wind .

主要内容包括：应用CAD软件（Solidworks）完成吊杆的结构设计；

The main contents include that designing structure of hanger using CAD software ( Solidworks );

运用软件CAE（ANSYS）对吊杆的结构进行有限元分析、强度校核和吊杆结构改进；

Finite analyzing , strength validating and structure improving of hanger using CAE software ( ANSYS );

配置碳纤维（CFRP）吊杆和系杆混凝土拱桥的力学性能

Behavior of Long Span Concrete Arch Bridge with CFRP Hangers and Tie Bars

通过风洞试验，研究了不同腹板开孔率的H形吊杆风致失稳特性。

Through the wind tunnel tests , this paper investigates the characteristics of wind-induced instability of the H-shape hangers with different perforating ratios of their webs .

通过介绍可编程控制器（PLC）在舞台吊杆控制系统中的应用，阐述PLC控制系统硬件和软件的设计方法。

This paper presents the application of PLC to the control system for platform booms , and the designing method of PLC ′ s control system is discussed .

自锚式悬索桥加劲梁颤振特性的CFD研究采用悬链线单元模拟主缆，考虑梁柱理论的平面梁单元模拟加劲梁、主塔和吊杆。

CFD-Based Study of the Flutter Characteristics of the Stiffening Girder of Self-Anchored Suspension Bridge Stiffening girder , tower and suspenders are simulated with plane beam elements .

目前剧场普遍采用的常规PID同步控制器控制调速吊杆由于易受外界干扰或参数变化的影响，所以存在同步控制效果不理想的问题。

At present , the conventional PID synchronous controller is widely used to control the speed boom in the theatre . The control result of this method is not ideal in case of interference and parameters change .

对拱桥吊杆内力监测光纤光栅（FBG）传感器的波长与应变和温度的关系进行了理论分析，通过标定试验，得到了FBG应变与温度灵敏系数。

The relationship between the wavelength of the arch bridge suspender tension monitoring FBG sensors and the strain and temperature has been studied theoretically , and the sensitivity coefficient is gotten through calibrating experiment .

大跨度刚性梁柔性拱桥的H形吊杆，由于长细比较大，轴力却不甚大，容易发生低风速下的涡激振动，从而导致杆件连接部位的疲劳。

It is well known that H-hanger in large-span bridge of Langer Girder due to its high slenderness-ratio and moderate axial tension is apt to subject to the action of vortex-shedding under low wind speed , thus leading to the fatigue problem at connecting joints of members .

在四川峨边大渡河拱桥关键性吊杆中成功布设了FBG应变和温度传感器，提出并实施了现役拱桥吊杆FBG传感器的布设工艺以及布设后吊杆的修复方法。

The FBG strain and temperature sensors have been successfully installed in some key suspenders of Sichuan Ebian Dadu river arch bridge . The installation of FBG sensors and suspender repair have been exp-lored in-service arch bridge .

针对吊杆的疲劳问题，利用线性累计损伤原理，采用相关荷载谱及S-N曲线，推算出短吊杆在疲劳作用下的寿命约为29年。

Regarding fatigue influence , based on linear cumulative damage theory , calculated the fatigue life of short suspenders is calculated as 29 years , by using the relevant load spectrum and the S-N curve .

基于Rayleigh法给出了考虑弹性支承和附加质量等复杂边界条件的吊杆张力计算显式表达式，采用不同的振型函数给出了多种吊杆横向振动频率与吊杆张力之间的显示关系式。

For convenience in engineering application the explicit expressions are proposed under the complex boundary conditions of elastic support , additional quality and others based on Rayleigh theory . And different vibration mode function is used to derive the relationships between the suspender tension and the vibration frequency .

本文运用大型通用计算流体力学软件ANSYSCFX，对该桥的三种参考截面形状的吊杆进行绕流模拟，吊杆二维模型的建立和网格划分均通过ANSYSCFX的专业前处理软件ICEM-CFD得以实现。

In this thesis , we used the computational fluid dynamics software ANSYS CFX to simulate the hanger which was in three kinds of cross-section shape . The 2D model foundation and grid partition were achieved in the special pre-processor software ICEM-CFD .

天钢3500mm中厚板工程轧机牌坊吊装技术一架起重机的吊杆伸入二号舱，吊出一辆上海牌轿车。

Hoisting Technique for Mill Housing of TISC 3,500 mm Plate Rolling Mill One crane dipped into No.2 hold and came up with a " Shanghai " sedan .

介绍沂河大桥主孔60m＋90m＋60m三孔一联下承式钢管混凝土系扦拱及其主要构成部分&哑铃形钢管混凝土拱肋、预应力混凝土系梁、吊杆和梁面系。

Introduced in this paper is Xinhe Bridge , a through bridge mainly of three spans ( 60m + 90m + 60m ), in the structure of the steel pipe tied-arch and the dumb-bell shaped steel pipe concrete arch ribs , prestressed concrete tie beams , suspenders and deck system .

以新昌县城西大桥（主跨84m中承式钢筋混凝土拱桥）为工程依托，针对原设计未考虑吊杆更换问题，对腐蚀损伤吊杆更换技术进行研究。

Based on the west bridge in Xinchang , a main span of 84 meters of reinforced concrete arch bridge , aiming at the original design without considering the question of the replacement suspender cable , techniques to substitute the corrosion suspender cable is studied .

系杆拱桥吊杆初始张拉力及施工控制

Preliminary Tension and Construction Control of Tied Arch 's Suspension Rod

锅炉锅筒吊杆销轴强度校核计算程序

Calculation Program for Strength of Pin for Hanger Rod of Drum

组合拱桥的吊杆拉力的简化计算方法

Simplified Calculation Method for Tension of Suspenders of Composite Arch Bridge

钢桁拱桥吊杆风致振动研究

Study of Wind-induced Vibration of Suspenders for Steel Truss Arch Bridges

拉吊脚手架拉吊杆、埋件设计与施工

The Design and Construction of Drag-suspend-pole & Embedded Parts of Scaffold