| 摘要 |
A boom eccentric swing preventive device for construction equipment is provided to prevent eccentricity caused when the swing of boom stops. A boom eccentric swing preventive device for construction equipment comprises a pressure detection unit which detects the pressure of working fluid of a boom swing cylinder(12), and an eccentricity preventive valve(14) whereof one end is connected to the head of the boom swing cylinder and the other side is connected to a rod(12a) of the boom swing cylinder. The eccentricity preventive valve comprises a water pressure unit. The pressure detection unit is a signal application valve(13) using a relief valve. |
