| 摘要 |
The present invention relates to a device for crushing rock using a rotation expansion method to crush the rock and a rock crushing construction method using the same capable of satisfying non-noise, non-vibration, and safety properties in a construction work such as a road, a tunnel, an excavation construction, etc. The device for crushing the rock using the rotation expansion method can crush rock in which an insertion hole is formed as an insertion hole is expanded while a rotation expansion block connected between hollow shafts by a hinge installed to surround a core rod is folded or unfolded as the core rod is moved forward and backward (tension, compression) by using a center hole cylinder jack. |
