In the construction of long piles, the selection of the length of the drill pipe of the second-hand rotary drilling rig directly affects the construction efficiency and the quality of the pile. Choosing a short length may result in the failure to reach the designed pile depth, while choosing a long Read More

Small-scale construction sites often encounter problems such as narrow space, limited turning radius, and difficulties in equipment entry and exit. Conventional rotary drilling RIGS are difficult to adapt due to their large size and poor flexibility. The second-hand compact rotary drilling rig, with Read More

Bridge construction has strict requirements for the accuracy, depth and stability of drilling. The drill pipe and drill bit of second-hand rotary drilling RIGS, as core working components, directly affect the quality of hole formation and construction safety. The following six key perspectives are p Read More

The maintenance cost of second-hand rotary drilling RIGS directly affects the cost-effectiveness of equipment usage. The expense is influenced by the age of the equipment, usage frequency, and maintenance standards, mainly covering aspects such as consumable replacement, component inspection, and pr Read More

Among the numerous components of second-hand rotary drilling RIGS, the hydraulic oil filter element may seem insignificant, but it is the "invisible guardian" that ensures the normal operation of the equipment. Although it is a vulnerable part, it directly affects the lifespan and performance of the Read More