This invention relates to the field of
silage processing technology and discloses a variable spraying device for
silage fermentation agents, including a conveyor, a spraying unit, and a turning unit, realizing intermittent rotation, stable limiting, and intelligent triggering spraying functions. In the turning unit, the rotating seat at the output end of the motor and the
assembly roller are precisely engaged and transmitted force through an inclined surface embedding seat and an embedding groove. The sliding tube and the
fixed frame provide limiting support for the
assembly roller. A return spring pushes the two to engage stably. When the moving plate touches the blocking bar, the force of the inclined surface causes the
assembly roller to move axially and disengage, completing the intermittent
rotation control. The assembly ring on the assembly roller connects to the moving plate. The rubber pad and the rubber sleeve of the blocking bar form a buffer. Combined with the double limiting of the
coil spring and the protruding window, it avoids excessive turning of the fork and ensures that the fork penetrates deep into the material. Equipped with a sensor and a
coil spring linkage structure, the spraying is started synchronously when the fork lifts the
raw material and the material layer is at its loosest, using the action of the fork as a trigger
signal, ensuring that the bacterial solution accurately penetrates into the pores.