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In this paper, the basic structure of screw trommel coal dresser and the function of its roll ring are introduced.

介绍了螺旋滚筒选煤机的基本结构和滚圈的作用 ,分析了滚圈的受力 ,建立了力学模型 ,利用求解静不定问题的方法算出特殊截面的内力 ,进而算出滚圈的最大弯矩和截面尺 ,为滚圈设计提供了一种理论方

Analysis on the conveying coal characteristics of spiral drum

螺旋滚筒输煤特性的分析

A spiral drum is a working unit of a shearer,which contacts directly with coal and rock,and takes on breaking and loading coal work.

综采工作面的粉尘主要是由采煤机截割煤炭而产生,螺旋滚筒作为采煤机的工作装置,直接与煤岩接触,参与落煤和装煤的过程,其结构参数、工作参数直接决定着机器工作时的产尘量大小,影响工作面的粉尘浓度。

It gives both a mathematical model designed for relation of structure parameters of a drum and relative curves of the noise and diameter as well as width of a spiral drum of a shearer found by means of computer simulation.

为降低采煤工作面噪声、改善作业环境,建立了滚筒结构参数与工作面噪声关系的数学模型,通过计算机模拟,得到了螺旋滚筒直径和宽度与工作面噪声的关系曲线。

On the basis of structural analysis of the ordinary spiral drums,a new kind of structural form for the spiral drums has been provided,and its theoretical value of axial slop angle has been also given.

在分析普通螺旋滚筒结构的基础上,针对一种螺旋叶片向排煤口侧轴向倾斜一个角度的新型滚筒,给出螺旋叶片轴向倾斜角度的理论值。

The makeup,structure,technic and principle of the screw roller coal washer were introduced.

介绍了螺旋滚筒洗煤机的组成、结构,工艺流程及工作原理,针对存在的问题进行了分析,并采取了相应的技术改造。

With the methods dynamic and static seal combined,the design of the screw roller seal on the silt coal load machine was proposed.

提出了适用于淤煤转载机螺旋滚筒的静、动密封结合的密封设计方案。

Using result analysis of shearer helical drum used in three soft coal seam;

采煤机螺旋滚筒在三软煤层中使用效果的分析

Finite element analysis on helical drum of silt coal loading machine;

淤煤装载机螺旋滚筒的有限元分析

By means of force analysis of shearer helical drum,mathematical models of average loads on a shearer's helical drum are set up in the paper,the average load carries out the computer simulation on helix drum,the simulation curve reflects drum load and with being unlike parametric change,being that helix drum design lays down basis thereby.

通过对采煤机螺旋滚筒的受力分析,建立采煤机螺旋滚筒平均负荷的数学模型;对螺旋滚筒平均负荷进行计算机模拟,且模拟的曲线反映滚筒负荷随不同参数的变化,从而为螺旋滚筒的设计打下基础。

The Calculation of the Instaneous Thickness of Cutting Chip on the Shearer Helical Drum

采煤机螺旋滚筒瞬时切屑厚度的计算

Immune Optimization for Parameters of Helix Shearer Drum Using Chaos Search

基于混沌搜索的螺旋滚筒参数免疫优化

The Theoretic and Experimental Research of the Method for Applying Twist-Roller to Cut and Collect Deep-Sea Collbat Crust;

深海钴结壳螺旋滚筒切削采集法的理论及实验研究

Research on loading performance of lean vanes based on similarity for spiral drum

基于相似理论的叶片倾斜布置螺旋滚筒装煤性能的研究

The mathematical model and block diagram are presented to calculate the pick momentary cutting thick when the shearer drum is in the state of irregular motion.

给出了采煤机螺旋滚筒不均匀运动时截齿瞬时切削厚度计算的数学模型和程序框图。

That YMZ type silt coal loader spiral to clean the origin of the organization, operation principle, structure characteristic, and component are introduced.

介绍了一种YMZ型淤煤装载机螺旋滚筒给料机构结构特征、成部分和工作原理。

These rolls are corrugated cylinders, usually of the spiral type.

粉碎辊是波纹式滚筒，还常是螺旋割纹式。

Cutting and Precision Form of Helical Vane of Shearer Drum

采煤机滚筒螺旋叶片的下料及辗压成形

a cutting bit that has rotating hard-toothed rollers.

有旋转硬齿滚筒的切凿。

a roll in which the plane follows a spiral course.

飞机螺旋式的翻滚飞行。

Application of the Collet Connection Technology for Pell off The Ribs and Rolling Plain Bar in Hot-Rolled Swirl Pool Project of Masteel 2250mm Hot Strip Mill While Against Construction;

钢筋剥肋滚轧直螺纹套筒连接技术在马钢新区热轧旋流池逆作施工中的应用

The rotating cylinder with spiral grooves acts as a speed selector.

螺旋切口的旋转圆筒作为速率筛选器。

The water be thrash and churning about under the propeller

水在螺旋桨下面打旋、翻滚

The water was thrashing and churning about under the propellers.

水在螺旋桨下面打旋、翻滚。

This large gear turns the small one to rotate the cylinder.

这个大齿轮带动小齿轮使滚筒旋转。

The central unit is a rotary drum.

核心设备是一个旋转的滚筒。

Secondly there is error between thethread roll angles of thread rolling die and drill rod.

滚丝轮螺纹和钻杆螺纹的螺旋角有误差。

split outer race of the wound roller bearing

螺旋滚柱轴承拼合外座圈