| 摘要 |
PROBLEM TO BE SOLVED: To obtain the subject working machine, provided with subsoil crushing and expanding/softening mechanisms, capable of reproducing subsoil, functioning as a dedicated machine for subsoil crushing, and, at the same time, improving the conditions of uneven wear, by designing a reinforcing plate and knife beam for a specific soil repelling plate body in such a way that they can be freely attached to or detached from the machine. SOLUTION: This subsoiler working machine is provided with a knife beam 3 having a chisel 8 at the lower end and soil repelling plate 25 arranged along the front end of the knife beam 3 bending to bring subsoil upward, the soil repelling plate 25 comprising a plastic soil repelling plate body 30 on the surface, which is coated with a reinforcing plate 28 on the back side, wherein the reinforcing plate 28 and knife beam 3 are designed to be freely attached to or detached from the machine.
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