A shifting fork controls a cylinder, a geared sleeve is connected with a dual gear, which can generate a high or low speed, and the gearbox can have two types of outputs.
汽缸通过拨叉控制，齿套分别与双联齿轮联接完成高速挡和低速挡两种输出形式。
2
This invention provides a nipper brake, making the brake disc being replaced easily, wherein the brake disc is equipped only with the hole of the shifting fork on the hydraulic cylinder.