A HYDRAULIC CONTROL SYSTEM FOR CONSTRUCTION EQUIPMENT

摘要

The present invention relates to a hydraulic control system for construction equipment, which comprises: a steering unit; a main working unit; an auxiliary working unit; a first pump; and a second pump. The main working unit is controlled by being supplied with compressed oil through the first pump and the second pump. According to the present invention, a hydraulic control system for construction equipment more comprises a mid-inlet block to selectively control compressed oil to be supplied to a lifting cylinder and a tilting or side shift cylinder, thereby effectively using energy of construction equipment.