为截割头的结构设计和参数优化提供了理论依据。
It provides the theoretical basis for structural design and parameter optimization of cutting head.
本实用新型属于采煤机械类，用于采煤机截割具。
The utility model belongs to coal mining machinery, which is used for cutting devices of coal mining machines.
分析了采煤机截割部存在的问题，提出改进建议。
This paper analyses the existing problem of coal winning machine cutting part, puts forward improving propose.
其截割头的转矩和功率由电动机通过行星减速器传递。
The torque and power of the cutting head are transmitted by the motor through planetary reducer.
截割比能耗是衡量采煤机滚筒设计优劣的重要指标之一。
Specific energy consumption is one of the important indexes of measuring continuous miner cutting drum design.
采煤机截齿截割煤体时，截齿承受随时间而变化的动载荷。
The cutter of the coal mining machine bears dynamic load varying with time during excavating coal.
优化设计实例表明，截割头的负载转矩变差系数减小了13。
The optimum design example shows that the variation coefficient of load torque acting on cutting head is decreased 13.
本文介绍一种利用铣床建立的滚筒采煤机截割阻力摸拟试验装置。
With a miller as a makeshift, a 1/4 simulation stand is set up for testing cutting resistances of the drum shearer.
试验结果表明：相同截深时锥形截齿截割力比扁型截齿截割力大；
Results showed that: in the same cutting depth, the force employed on the point-attack pick is bigger than that on the knife tooth;
在截割电机空心轴内使用弹性扭矩轴是设置传动系统弹性缓冲的好办法。
Using elastic wrench moment axle in the hollow axle of motor is a good way of setting elastic buffer device of transmission system.
根据煤岩体的抗压强度，给出了镐形截齿破煤过程中截割力的计算公式。
According to the compressive strength of coal rock mass, the paper provided the calculation formula of the pick cutting force during the coal cutting operation.
采煤机是一个复杂的机械系统，其主要包括行走部、截割部、及其附属设备。
The shearer is a complex mechanical system, It consist of haulage unit, cutting unit and related appendage.
弹性扭矩轴是截割传动系统的弹性缓冲装置，安装在截割电机空心轴内两端。
Elastic wrench moment axle is an elastic buffer device of cutting transmission system installed on the both ends in the hollow axle of electrical_machinery.
分析横轴式截割头摆动截割时截齿的运动轨迹，建立了其几何模型和运动方程。
By analyzing motion orbits of picks when a horizontal cutting head cuts, geometry models and motion equations are set up in the paper.
同时进行了动力学谐响应分析，从频率响应的角度分析了截割部的振动响应特征。
Meanwhile, dynamic harmonic response has been made, the vibration response characteristics of cutting part are analyzed from the perspective of frequency response.
介绍一种截割头的设计方法，它能够准确、有效地实现截齿及齿座安装定位设计。
The paper introduces a design method of cutting-head, which can exactly, effectively carry out the attaching design of bits and bit-holders.
分析了螺旋滚筒截割和装载过程的运动特性，可为滚筒的参数选择提供一定的理论依据。
This article analyses the kinematical feature of the cutting and loading process of the screw drum. It can provide certain theoretical basis for the selection of parameters for the drum.
介绍顶管掘进机截割传动装置所采用的行星齿轮减速器，论述行星齿轮减速器的结构特点。
This paper introduces the epicyclic reduction arrangement applied in cutting drive mechanism in pipe jacking, analyses the construction and characteristics of epicyclic reduction arrangement.
所得结论对于改进刀形截齿的设计，进一步提高其截割性能和截割效率有一定的指导作用。
The obtained got conclusions may be used to improve the design of the pick, enhance further the cutting performance and benefit the pick.
半煤岩掘进机是一种能够实现截割、装载、转载运输、行走和喷雾除尘的联合机组（略）。
Coal-rock boring machine is able to achieve cutting, loading, reproduced transport, walking and spray Dust combined unit.
本论文的论题选自国家自然科学基金项目“采掘机械截割粉尘的成因及控制方法的研究”。
The proposition of the paper comes from a NSFC project - "Contributing Factorof Cutting Dust and Its Control Strategies".
针对采煤机截割路径的规划问题，提出了粒子群三次样条优化的采煤机截割路径规划方法。
According to the cutting path planning problem of the coal shearer, the paper provided the particle swarm triple spline optimization for the cutting path planning method of the coal shearer.
目的探求粗玻管的截割方法和破底大(中)试管在中学化学实验和大学基础化学实验中的利用。
Aim to find ways of cutting big glass tubes and new USES of big bottom-broken test tubes in high school chemical experiment and college basic chemical experiment.
本文介绍了一种截割部水力测功试验加载系统，分析了系统主参数确定的依据。设计得到实用验证。
The paper introduces a test loading system with hydraulic dynamometer for cutting gearhead, analyzes the basis for determining main parameters of system. The design has been verified by practice.
介绍了BP网络的原理、算法，并用BP网络对采煤机截割部机械传动系统的故障进行了趋势预测。
The paper introduced the theory and algorithm of BP neural network, and it has been used in the fault trend prediction for cutting part transmission system of mining machine.
本文利用人造模拟截割材料，在液压刨床和专用截割实验台上完成了单齿和滚筒截割系统的模化实验。
The paper presents the model experiments of one-pick and drum cutting systems on a hydraulic planner and a special cutting test rig with the artificial analogous cutting materials.
介绍了BP网络的原理、算法，并用BP网络对采煤机截割部齿轮箱机械传动系统的故障进行了趋势预测。
The theory and algorithm of BP neural network were introduced, and it was used in the fault trend prediction for cutting part transmission system of mining machine.
利用ANSYS有限元软件对采煤机截割部进行了瞬态动力学分析，从时间响应的角度研究振动位移规律。
Transient dynamic analysis for the cutting part of shearer by finite element software ANSYS has been made, the law of vibration displacement is studied from the perspective of time response.
利用ANSYS有限元软件对采煤机截割部进行了瞬态动力学分析，从时间响应的角度研究振动位移规律。
Transient dynamic analysis for the cutting part of shearer by finite element software ANSYS has been made, the law of vibration displacement is studied from the perspective of time response.
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