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3Y12／15T压路机是我厂的产品，该机上发动机与变速箱之间的动力传递是通过传动胶带来实现的（图1）。这种连接结构的优点是：发动机与变速箱两者传动轴之间的同轴度要求较低，并且有较好的防振作用，当压路机超负荷工作时对发动机和底盘具有保护功能。但在使用中因胶带所处的
3Y12 / 15T roller is a product of our factory. The power transmission between the engine and the transmission on this machine is realized through the transmission belt (Figure 1). The advantage of this connection structure is that the coaxiality between the transmission shaft of the engine and the transmission is less demanding and has a good anti-vibration effect. When the roller is overloaded, it has the protection function for the engine and the chassis. But in use because of the tape