impact counter-circulation engineering drill

Description

GCF Series impact counter-circulation engineering drill rig is a newly developed drill rig for the foundation construction equipment, suitable for complex strata of oval gravel, bond oval gravel, widely employed in the project construction of bridge foundation, power station foundation, underground successive wall, well drilling and cutting. This drill rig has advanced technology, reliable performance and moderate price, is the excellent product of the same sort of drill rig. THIS DRILL RIG HAS THE FOLLOWING FEATURESMain parameter select reasonable, It can meet the demand of big caliber boring, machinery transmission, structure simple, layout reasonable, handle convenient, the degree of standardization is high, maintain convenient, the quantity of impacting boring head is big, the power of impacting is large, and then produce good break-rock effect. It adopted synchronization windlass. The two steel lines, which lift aiguilles strictly, in-phase. It adopted press-bar impacting to carry on up-down of the aiguillesï&frac*4;›It works steady and reliable. It adopted anti-circle processing to heighten eject residue efficiency. It adopted double pipe fire-flow anti-circle processing and can fill water