Manual and automatic transmissions have several fixed transmission ratios, while the advantage of a continuously variable transmission is that the transmission ratio varies continuously within a certain range. The maintenance of the infinitely variable transmission adopts a transmission belt and a variable working diameter driving and driven wheel to transmit power in combination. Due to the continuous change of transmission ratio achieved by CVT, the optimal matching between the transmission system and engine operating conditions can be achieved, thereby improving the fuel economy and power performance of the car, as well as improving the driver's handling convenience and riding comfort.
 

自動變速系統(tǒng)主要由主動輪組、從動輪組、金屬傳動帶和液壓控制系統(tǒng)及電子控制系統(tǒng)等組成。主動輪組和從動輪組都由固定盤和可動盤組成，固定盤在軸上固定不動，而可動盤在液壓控制系統(tǒng)的控制下可以沿軸向移動?？蓜颖P與固定盤都是錐面結(jié)構(gòu)，他們各自的錐面共同形成V型槽來與V型金屬傳動帶嚙合。

The automatic transmission system mainly consists of an active wheel group, a driven wheel group, a metal transmission belt, a hydraulic control system, and an electronic control system. The driving wheel group and the driven wheel group are both composed of a fixed disc and a movable disc. The fixed disc is fixed on the shaft and cannot move, while the movable disc can move axially under the control of the hydraulic control system. Both movable and fixed discs have a conical structure, and their respective conical surfaces together form a V-shaped groove to mesh with the V-shaped metal transmission belt.

無極變速箱維修金屬傳動帶由兩束金屬環(huán)和幾百個金屬片構(gòu)成。

The metal transmission belt for maintenance of a continuously variable transmission is composed of two bundles of metal rings and hundreds of metal plates.

發(fā)動機(jī)輸出動力首先傳遞到CVT的主動輪，然后通過V型金屬傳動帶傳遞到從動輪，經(jīng)減速器、差速器傳遞給汽車驅(qū)動輪。CVT變速是由液壓控制系統(tǒng)控制主動輪與從動輪的可動盤作軸向移動來改變主動輪、從動輪錐面與V型傳動帶嚙合的工作半徑，從而改變傳動比，從而實現(xiàn)了無級變速。

The engine output power is first transmitted to the driving wheel of the CVT, then to the driven wheel through a V-shaped metal transmission belt, and finally to the driving wheel of the car through a reducer and differential. CVT transmission is a hydraulic control system that controls the axial movement of the movable discs of the driving and driven wheels to change the working radius of the engagement between the cone surface of the driving and driven wheels and the V-shaped transmission belt, thereby changing the transmission ratio and achieving stepless transmission.

在金屬帶式無級變速器的液壓系統(tǒng)中，從動油缸的作用是控制金屬帶的張緊力，以保證來自發(fā)動機(jī)的動力、可靠的傳遞。主動油缸控制主動錐輪的位置沿軸向移動，在主動輪組金屬帶沿V型槽移動，由于金屬帶的長度不變，在從動輪組上金屬帶沿V型槽向相反的方向變化。金屬帶在主動輪組和從動輪組上的回轉(zhuǎn)半徑發(fā)生變化，實現(xiàn)速比的連續(xù)變化。

In the hydraulic system of a metal belt continuously variable transmission, the function of the slave cylinder is to control the tension of the metal belt to ensure efficient and reliable transmission of power from the engine. The active oil cylinder controls the position of the active cone wheel to move axially, and the metal belt in the driving wheel group moves along the V-shaped groove. Due to the constant length of the metal belt, the metal belt on the driven wheel group changes in the opposite direction along the V-shaped groove. The turning radius of the metal belt on the driving wheel group and the driven wheel group changes, achieving continuous changes in speed ratio.

汽車開始起步時，主動輪的工作半徑較小，變速器可以獲得較大的傳動比，變速器獲得較大的減速。隨著車速的增加，主動輪的工作半徑逐漸減小，從動輪的工作半徑相應(yīng)增大，CVT的傳動比下降，變速器輸出轉(zhuǎn)速升高，使得汽車能夠以更高的速度行駛。

When the car starts to start, the working radius of the driving wheel is small, and the transmission can achieve a larger transmission ratio, resulting in a greater deceleration. As the speed increases, the working radius of the driving wheel gradually decreases, and the working radius of the driven wheel correspondingly increases. The transmission ratio of the CVT decreases, and the output speed of the transmission increases, allowing the car to travel at higher speeds.

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The above is an introduction to the maintenance of Jinan automatic transmission. Thank you for taking the time to check our company's information http://njzhuiri.cn If you want to learn more, please feel free to call for consultation