The shift device is arranged on an assembly fixed plate. The shift device is composed of a front baffle plate, a push rod, a rack, and a tail seat.

前挡板与推杆形成一体，而齿条则侧设于推杆边，且前挡板与齿条相接位置设有一缓冲槽，使前挡板受推挤时可呈定距之缓冲位移；

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A throwing part comprises a ball seat, a front push rod, a back push rod, a drive rod, a connecting rod, an actuating cylinder, a support frame, etc.

投掷部分的组成中包括球托、前推杆、后推杆、驱动杆、连杆、驱动气缸、支架等。

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Therefore, friction between the push rod and the furnace body front wall is less and the push rod is very flexible when running through the furnace body front wall.

这样推杆与炉体前壁间的摩擦力更小，推杆在通过炉体前壁时非常灵活。

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