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单词 planetary gear
释义

planetary gear

英汉-汉英词典
行星齿轮
词组 | 习惯用语
您要查找的是不是:
    Planetary gear reducer 行星齿轮减速器; 行星轮减速器; 行星减速器; 行星齿轮减速机;
    Planetary gear differential with disconnect 发明名称
    coupled planetary gears 复合行星齿轮机构
    planetary gear differential 行星齿轮差速器;差速器
planetary gear [机] 行星齿轮
planetary gears 行星齿轮机构
planetary gear transmission 行星齿轮传动
planetary gear train [机] 行星轮系
planetary gear carrier 行星齿轮架
planetary gear reducer 行星齿轮减速器
planetary gear set 行星齿轮组
azimuth planetary gear 方向行星轮传动装置,方位行星轮传动装置
cycloidal planetary gear speed reducer 摆线式行星齿轮减速机,行星摆线针轮减速机
planetary reduction gear 行星减速齿轮,行星减速装置,行星齿轮,行星减速器
英语例句库
  1. A new type of composite CVT( Continuously Variable Transmission) systems, based on dual-mode power-split planetary gear set, is of improved efficiency, power transmutability and speed variable range.
    基于正反双向分汇流行星排组的一类新型复合无级变速器系统具有效率高、率容量与速比变化范围大等特点。

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原声例句
奇趣工程百科

Two hydraulic motors power the crawlers via closed planetary gear units that run in oil baths and have spring-loaded, hydraulically released holding brakes.

两台液压马达通过封闭式行星齿轮装置为履带提供动力,行星齿轮装置在油浴中运行,并具有弹簧加载、液压释放的保持制动器。

中文百科

行星齿轮 Epicyclic gearing

(重定向自Planetary gear)
上图为一个用行星齿轮来提升转速的例子。绿色部分为行星架,也是扭矩的输入方。黄色部分为太阳轴,扭矩的输出方。粉红部分为固定的外齿圈。红色部分显示行星架和太阳轴在同一时间段内转过的角度
古希腊的安提基特拉机械(主碎片)
1588年阿戈斯蒂诺拉梅利设计的转动书架

行星齿轮Epicyclic Gearing)是齿轮结构的一种,通常由一个或者多个外部齿轮围绕着一个中心齿轮旋转,就像行星绕着太阳公转一样,因而得名。除此之外,行星齿轮在最外部通常还有一个外齿圈,用来贴合行星齿轮绕行的轨迹。

行星齿轮通常可以分为简单行星齿轮和复杂行星齿轮。简单行星齿轮分别有一个太阳齿轮,一个外齿圈,一个行星齿轮和一个行星架。复杂行星齿轮通常指即包含行星轮系又包含太阳轮系的齿轮系。

复杂行星齿轮相对于简单行星齿轮有高减速比,高扭矩的特点。

通常来说各个轴是互相平行的,但是也有一些行星齿轮例如卷笔刀,其齿轮轴之间各成一定的角度,使用多个螺旋锥齿轮。

英语百科

Epicyclic gearing 行星齿轮

(重定向自Planetary gear)
This planetary gear train consists of a sun gear (yellow), planet gears (blue) supported by the carrier (green) and an annular gear (pink). The red marks show the relative displacement of the sun gear and carrier, when the carrier is rotated 45° clockwise and the annular gear is held fixed.
Bookwheel, from Agostino Ramelli's Le diverse et artifiose machine, 1588
In this example, the carrier (green) is held stationary while the sun gear (yellow) is used as input. The planet gears (blue) turn in a ratio determined by the number of teeth in each gear. Here, the ratio is −24/16, or −3/2; each planet gear turns at 3/2 the rate of the sun gear, in the opposite direction.
Compound planets of a Sturmey-Archer AM bicycle hub (gear ring removed)

An epicyclic gear train consists of two gears mounted so that the center of one gear revolves around the center of the other. A carrier connects the centers of the two gears and rotates to carry one gear, called the planet gear, around the other, called the sun gear. The planet and sun gears mesh so that their pitch circles roll without slip. A point on the pitch circle of the planet gear traces an epicycloid curve. In this simplified case, the sun gear is fixed and the planetary gear(s) roll around the sun gear.

近义、反义、联想词
近义词
n.
gear, gear wheel, geared wheel, cogwheel

英英词典
planetary gear n.
  1. an outer gear that revolves about a central sun gear of an epicyclic train

  2. synonymous: epicyclic gear, planet wheel, planet gear
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更新时间:2025/6/17 17:26:28