Wheeled rotary drilling rig adopts tire-type walking, convenient and flexible walking and transferring, rapid moving and positioning, safety and stability. Wheeled rotary drilling rig is divided into 180° and 360° rotation, adopts rigid suspension whole cart structure walking system, the upper worki Read More

The long spiral concrete press-filled pile is a new type of pile foundation construction technology that utilizes the long spiral drilling rig to drill holes to the design depth without lifting the drill, connects the hose at the top of the drilling rod with the outlet of the concrete pump, and then Read More

Rotary pile construction quality control points1、Construction quality quality pre-control(1) Piling machine performance check. After the pile set is installed, the construction unit should be urged to check the main performance of the pile machine. Read More