低速传动

Construction and Principle: The unit consist of frame,rotate mechanism, porp mechanism and knift mechanism.it's principle is that select the tire bead as a prop point and place it on porp mechanism,then adjust it to tightly.start the machine in low speed by slow down transmission part;knift is setted on the machinery panel and it can be forward and back at one's ease.

该机由机架、转动机构、支撑架、刀具机构等组成。其基本原理为选择轮胎内圈为支撑点，将内圈制于支撑架。经支撑架的调节机构将轮胎牢固地撑紧于支撑架；通过减速传动机构获得低速运转；切割刀具安装于机械台面板，可根据需要任意进退刀。

Cycloconverter-fed drive is generally used for very large horsepower, low-speed applications, such as rolling mills, winding motors, marine propeller, cement mixer, etc.

交-交变频传动是一种在大功率、低速范围内广泛采用的交流调速方案。

The book reports that cancelling mechanic decelerator brings along the problems of low speed and high torque gearless drive system, and how to get a strategy for solving problems.

重点介绍了取消机械减速机后，给低速大转矩无齿轮传动系统带来的问题及其解决策略，并且强调电子-电气-机械一体化最优是解决策略的基本原则。

In this subject ,the friction and mechanical drive are organically combined together,the new conceiving , new method , new craft for heavy-load and low-speed gear 's design ,manufacture and use are offered, the key technology problem needed for the productionscene is solved.

通过将错综复杂的机械传动学与摩擦学紧密地、有机地结合起来，为重载低速齿轮的设计、制造和使用，为生产现场解决急需的关键技术问题提供新构思、新方法、新工艺。

The optimized projects of eliminating low frequency torque ripple in this subject are to make use of low speed and high torque permanent magnetic synchronous motors.

给出了低速大转矩无齿轮传动系统消除低频转矩脉振的优选方案是采用低速大转矩稀土永磁同步电动机的结论。

Hydrostatic transmission is widely used in construction machine. The research of one of its hard cores, low speed high torque radial piston motor, is very important. To directly estimate the life of this kind of motor, and to design a orbit curve with the longest life at same condition, this paper gives theoretic research of the equal contact stress inner curve of radial piston motor. The research is divided into four parts:1 Taken all forces the piston endured into consideration when radial piston motor working, the force between roller and orbit is deduced.

静压传动技术在各类工程机械中得到广泛的应用，对作为其核心部件的径向柱塞式低速大扭矩液压马达的研究显得十分重要，为了能直接对这种马达进行寿命估计，并能在相同工况下求得寿命最长的轨道曲线，本文从设计等接触应力内曲线的角度对这类马达作探讨性的研究，主要从以下四个方面进行：(1)综合考虑径向柱塞式液压马达工作时的各种主要受力状况，对柱塞组件进行受力分析，并通过仿真分析影响轨道和滚动体间正压力的各个因素，得到正压力的简化表达式。

The book introduces theory and technique of low speed and high torque gearless drive system.

本书全面系统地介绍了低速大转矩无齿轮传动系统的理论与技术。

According to the mathematical model and vector control method of permanent magnetic synchronous machine, the gearless elevator traction system was simulated.

并根据低速大转矩永磁同步电动机的数学模型及矢量控制方法，在MATLAB／SIMULINK环境中对无齿轮电梯曳引传动系统进行了建模和仿真。

After introducing basic theory of low speed and high torque drive system, theory analysis method and engineering practical technique of electronic-electric-mechanic integrated gearless drive system has been discussed from three basic subjects of the micro-electronics and power electronics, electric machines and mechanical engineering separately.

在介绍了低速大转矩传动系统的理论基础之后，分别从微电子和电力电子、电机工程、机械工程等三个基本学科阐述了电子-电气-机械一体化无齿轮传动系统的理论分析方法和工程实用技术。

Making use of the low speed and large torque of ultrasonic motors,we designed a five-fingered dexterous hand driven by ultrasonic motors.

利用超声电机低速和大转矩的特性设计了由其驱动的五指灵巧手，传动方式采用的是腱传动方式，每个手指均有4个自由度和4个关节，即其手指具有相互独立的关节，从而可以使手指末端两个关节的运动完全依照人手的二次运动方程耦合关系进行运动规划。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。