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当前位置: 澳门新葡萄京8845>>澳门新奥门新葡新京>>企业资讯>>CVT变速箱工作性质及特点

CVT变速箱工作性质及特点

发布日期: 2018-07-24 来源: / 点击:

CVT有两组带轮(主动轮与从动轮),每组带轮分为两半部分组成,带轮一侧为固定式,另一侧带轮可以在轴上滑动,两个带轮的内侧是有倾斜角度的锥形面,两侧相对构成V形槽,V形槽与传动带的侧面接触(啮合点)。通过油压控制主动轮与从动轮的夹紧与放松,来改变带轮锥面与传动带啮合点的工作直径,(即一个轮直径增大、另一个轮直径减小)从而改变传动比。(主动轮直径小、从动轮直径大时为减速状态,用以提高扭矩。主动轮直径大、从动轮直径小时为增速状态,用来提高车速)
CVT has two sets of belt pulley (active wheel and moving wheel), each group of pulleys is divided into two parts, one side of the belt is fixed, the other side can slide on the axis, the inside of the two belt is a conical surface with a tilt angle, and the two sides are relative to form a V groove, and the V groove and the side contact of the transmission belt (meshing point). The driving ratio is changed by controlling the clamping and relaxation of the active wheel and the moving wheel by the oil pressure to change the working diameter of the meshing point of the belt and the drive belt. (the driving wheel is small and the diameter of the driven wheel is large, it is a deceleration state to improve the torque. The diameter of the driving wheel is large and the diameter of the driven wheel is small, which is used to increase the speed of the vehicle.
其实关于CVT与AMT的好坏,一直争论不休,两者本没有好坏之分。没有环保耐用之分。只是各自的用途不同,前者适合小型车,尤其向电动车。后者适用于大型车,例如越野,SUV。等大型车辆。对扭矩要求较高的车辆。
In fact, CVT and AMT have been debating whether they are good or bad. There are no environmental and durable points. Their own uses are different. The former is suitable for small cars, especially for electric vehicles. The latter is suitable for large cars, such as cross-country, SUV. Wait for a large vehicle. Vehicles with higher torque requirements.
如果你只是家庭代步,追求平顺性,购买CVT。省油。
If you are just a family walk, pursue the ride comfort and buy CVT. Oil is saved.
如果你追求刺激,体验乐趣,选择AMT变速箱,因为你能感觉到加速。
If you pursue excitement and experience fun, choose the AMT gearbox, because you can feel acceleration.
CVT英文名为ContinuouslyVariableTransmission,直接翻译就是连续可变传动,也就是大家常说的无级变速箱。
CVT the English name is ContinuouslyVariableTransmission, and the direct translation is continuous variable transmission, which is what we often call continuously variable transmission.
CVT传动系统里,传统的齿轮被一对滑轮和一只钢制皮带所取代,每个滑轮其实是由两个椎形盘组成的V形结构——你可以将CVT变速箱的核心部件想象成一个被链条带动旋转的圆锥体,当链条被从圆锥顶部被推到底部的过程中,也就实现了所谓的无极变速。
 
济南自动变速箱维修
 
In the CVT transmission, the traditional gear is replaced by a pair of pulleys and a steel belt, each of which is actually a V - shaped structure consisting of two vertebral discs - you can imagine the core components of the CVT gearbox as a cone driven by a chain, when the chain is pushed to the bottom from the top of the cone, The so-called infinitely variable speed is realized.
【CVT变速箱的优点】
[advantages of CVT gearbox]
1,平顺性好,所有自动变速箱技术里,CVT是较平顺的,没有之一。由于变速的齿比变化是连续性的,没有所谓的多级固定齿比,因此CVT变速箱换挡过程中不会出现任何换挡顿挫感,动力输出是线性的。
1, smoothness is good, CVT is the most smooth and no one in all automatic transmission technology. Because the change of the gear ratio of the variable speed is continuous, there is no multistage fixed tooth ratio, so there will be no shift setback in the CVT gearshift process, and the power output is absolutely linear.
2,燃油经济性好。由于没有多级固定齿比,因此CVT变速箱可以根据工况自行选择一个相对理想的自适应齿比进行工作,是理论上较省油的变速箱,其燃油经济性要大大优于一般的AT变速箱。
2, the fuel economy is good. Because there is no multistage fixed tooth ratio, the CVT gearbox can choose a relatively ideal adaptive tooth ratio according to the working condition. It is the most economical gearbox in theory, and its fuel economy is much better than that of the general AT transmission.
3,CVT变速箱结构简单,可靠性高,维修起来也比较方便。
3, CVT gearbox has simple structure, high reliability and easy maintenance.
【CVT变速箱的缺点】
[defects of CVT gearbox]
CVT变速箱传动的钢带能够承受的力量有限,可承载扭矩极限较小,因此加速感会比较差,提速肉,超车无力。百公里加速低于5秒的性能车,均不会考虑CVT变速箱。
The transmission belt of the CVT transmission can bear the limited strength, can carry the torque limit is small, so the acceleration sense will be relatively poor, speed up meat, overtaking weak. 100 km acceleration of less than 5 seconds of performance vehicles, will not consider the CVT transmission.
有些朋友可能会指出,奥迪A4L等车型一直采用CVT变速箱,没错,奥迪采用链条式钢带,比起日产的CVT变速箱,可承受的扭矩极限更大,但一般也不超过350牛?米。而且从去年开始,奥迪开始全面弃用cvt变速箱,因为奥迪的CVT在驾驶性能上和奔驰宝马的8at还是有差距。
Some friends may point out, Audi A4L and other models have been using CVT gearbox, yes, Audi chain type steel belt, compared with the daily CVT gearbox, can bear the torque limit is greater, but generally no more than 350 cows? Meters. And last year, Audi began to abandon the CVT gearbox completely, because Audi's CVT has a gap in driving performance and 8at of Mercedes Benz BMW.
有些CVT车型如斯巴鲁森林人、本田雅阁、日产骐达,起步时一窜一窜的,感觉加速很快,但这其实是厂家为了改善CVT加速慢的特性,针对初段加速刻意调校的结果。在中后段加速时,又回到了典型的CVT表现。
Some CVT models, such as the Subaru forest, the Honda accord and the Nissan, have a quick start, but this is actually the result of the manufacturer to speed up the slow speed of the CVT, and to speed up the adjustment to the initial speed. When the middle and posterior segment accelerates, it returns to the typical CVT manifestation.
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关键词: 如何减少自动变速箱的维护? 自动变速箱维修常见故障分析及排除 变速箱进水如何维修? 自动变速箱均具有全自动适应能力 自动变速箱维修的渠道如何打破常规

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