| 摘要 |
Executive device of ripper of pulse type comprises standpipe and tip fixed on it by means of pin, that one has wedge-like body that has eye, face surface and lower surface that looks like slot “dovetail” to which cutting plate is fit, with possibility of longitudinal displacement by slot, at whole surface, at that cutting plate has lower surface and front inclined surface that at intersection form cutting edge. At that back side of the body hydraulic cylinder is attached, this has fittings for connection to mains. Besides that, in hydraulic cylinder piston with rod is placed, this goes through cover of hydraulic cylinder and is fixed to inner surface of bottom of the cup that with its outer part is in cylindrical slot of back side of the body, with possibility of displacement in longitudinal direction at whole length of cylindrical slot. The cup with outer side of its bottom is attached to the back surface of cutting plate. |
