Rotary drilling rig construction operation process

Rotary drilling rig is a piece of equipment widely used in pile foundation construction. It is particularly important to master some skills when using rotary drilling rigs for pile construction.

1. Inspection: Before the rotary drilling rig starts working, the equipment needs to be fully inspected and maintained. The engine, hydraulic system, electrical system, etc. should be checked to ensure they are in good working order. At the same time, we need to understand the geological conditions of the construction site and choose appropriate drill tools and kelly bar.
2. Site preparation: Before construction, the site should be cleared to ensure that the ground is flat and free of obstacles. The construction site must be flat, spacious, and have a certain degree of hardness to prevent the equipment from sinking. At the same time, determine the location and depth of the borehole according to the construction requirements.
3. Install drilling tools: According to the construction requirements, we need to select appropriate drill bits and kelly bar and install them on the rotary drilling rig. Make sure the installation is firm to prevent loosening or falling off during construction.
4. Adjust the drilling rig: Adjust the position and angle of the rotary drilling rig according to site conditions and construction requirements. Make sure the drill bit is aligned with the center of the pile to avoid deflection and movement.
5. Drilling：Switch the rotary drilling rig and began drilling. During the drilling process, the drilling speed and depth should be controlled to avoid excessive speed or depth, which may cause equipment damage or affect the construction quality.
6. Observe the status of the equipment: During the drilling process, you should always observe the status of the rotary drilling rig, such as engine temperature, hydraulic system pressure, drill bit wear, etc. If there are any abnormalities, stop the machine immediately for inspection and processing.
7. Record data: During the construction process, various data should be recorded, such as drilling depth, soil properties, drill bit wear, etc. These data can provide reference for subsequent construction and help optimize the construction plan.