1) lifting coefficients
提升系数
1.
To make out the coefficients of the fast lifting wavelet transform,according to the specialty of lifting scheme of the biorthogonal wavelet,the recursion algorithm for calculating lifting coefficients is presented.
根据双正交小波提升格式的特点,为了得到快速提升小波变换的系数,提出求解提升系数的递推算法。
2) lifting(mathematics)
提升(数学)
3) lifting function
提升函数
1.
In this new method, the lifting functions are selected as non linear phase functions and the error is defined as the difference between the ideal frequency response and the actual response of the liting functions.
该方法将两个非线性相位函数作为提升函数 ,并定义误差函数为提升函数理想频率响应与实际频率响应之差 。
4) hoisting system
提升系统
1.
Development of virtual safety performance testing instrument for coal mine hoisting system;
矿用提升系统安全性能测试分析虚拟仪器的开发
2.
Design of belt haulage inclined shaft hoisting system for Maluping ore section in Kaiyang Phosphate Group;
贵州开阳马路坪矿胶带斜井提升系统的设计
3.
The development direction of coal mine hoisting system;
煤矿提升系统的发展方向
5) lifting system
提升系统
1.
The optimization and application of lifting system in Xiadian Gold Mine;
夏甸金矿提升系统优化与应用
2.
On energy-saving and speed control of secondary regulation lifting system of parking equipment;
立体车库二次调节提升系统的节能特性与转速控制
3.
The sequent wire-pulling is used in electric powered rig as it has smooth lifting system and cross wire-pulling is used in mechanical rig as balanced force relief impact force by compressed ai.
顺穿法一般在电动钻机上采用,主要考虑到电控操作提升系统比较平稳;花穿法一般在机械钻机上使用,以受力平衡来缓解气控操作带来的冲击载荷的影响。
6) hoist system
提升系统
1.
The numerical analysis on the nibration of rope guides and multi strings rub hoist system;
绳罐道多绳摩擦提升系统振动的数值分析
2.
The research for coil type induction-motor-driven hoist system emulation;
绕线型感应电动机驱动提升系统仿真研究
3.
Introduce the device select ion, link and chinese software development of terminal display and chinese print of Changcun coal mine's service shaft hoist system .
介绍了常村煤矿副井提升系统汉化显示终端及打印设备的选型、连接、汉化方法。
补充资料:摩擦提升防滑安全系数
摩擦提升防滑安全系数
anti-slip safety factor of friction hoist
moeot一sheng fan梦uo onquon xlsh日摩擦提升防滑安全系数(an,i一slip safe,y fac-tor of frietion hoist)阻止提升钢丝绳滑动的力(摩擦力)与提升钢丝绳张力(滑动力)差之比。其表达式为 F、(尸“口一1) “一丁几万万式中u为防滑安全系数;F,为上升钢丝绳的张力,N;F、为下放钢丝绳的张力,N;召为2.718;产为提升钢丝绳与衬垫间的摩擦系数;a为提升钢丝绳在摩擦轮上的围包角,rad。当提升设备静止或等速运动时,则得静防滑安全系数。。;当提升设备加、减速运动时,则得动防滑安全系数,、。一般规定“.)1.75,“d夕卜25.其数值是决定整个提升系统安全性和经济性的指标之一为了保证摩擦提升设备在工作中不发生滑动,必须验算防滑安全系数,包括静防滑、动防滑和安全制动防滑三种验算。静防滑也可以校核上升钢丝绳与下放钢丝绳的静张力比,即K一兀、/凡,<1.5,其他国家也有采用K.毛1.4二当采用加、减速度不大于lm/s之时,可以不验算动防滑安全系数。安全制动防滑验算是要求其减速度不大于防滑极限速度。增大防滑安全系数的措施有:(l)加设导向轮,增大钢丝绳围包角a;(2)选择结构适合的提升钢丝绳,采用具有高摩擦系数且耐压耐磨的材料作衬垫,在提升钢丝绳上涂专用油脂,增大摩擦系数产;(3)采用尾绳,增大容器自重,采用平衡锤单容器提升,减小提升钢丝绳两侧的静张力比;(4)限制最大加、减速度,减小动载荷。 (李仪枉)
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条