Micromanipulation Technique of Rotary Drilling Rig

As an important equipment in the field of infrastructure construction, rotary drilling rig plays a key role in the construction of various pile foundations. Its operation is not a simple and extensive operation, but contains many fine and subtle skills. Mastering these micro-skills can not only greatly improve the construction efficiency, but also ensure the quality and safety of the project. Below, we will introduce the micro-operation technology of rotary drilling rig.

1. Fine inspection before operation: Conduct a comprehensive inspection of the hydraulic system and electrical system of the rig to check whether the hydraulic oil is sufficient and whether the line is damaged. At the same time, check whether the drilling tool is in good condition to ensure that all components are normal and avoid failure during construction.

2. Rig positioning and mast alignment: Operate the walking mechanism to accurately move the rig above the hole position. With the help of the one-key sag function or the operation handle, the mast is vertical, ensuring the perpendicularity of the drilling hole and avoiding tilt.

3. Reasonable control of drilling parameters: select the appropriate drilling mode according to different geological conditions. Slow pressure, lifting pressure and rotary pressure control in a reasonable range, to achieve smooth drilling.

4. Standard operation of drill pipe and drill bit: When lowering the drill pipe, the speed should be slow to prevent shaking and collision. After the completion of soil collection, reverse and close the hopper door in time, and pay attention to avoid abnormal drill pipe unlocking when lifting the drill tool.

5. Orderly dumping and rod change: Use the automatic dumping function or the operation handle to shake off the soil on the drill. The rod change should be directed by special personnel when not drilling to ensure safety.

6. Proper treatment after the construction: after the construction is completed, move the rig to a safe area, turn off the engine and cut off the power supply. Clean and inspect the rig and do daily maintenance.

The micro-operation technique of rotary drilling rig runs through every link of construction. From the inspection before the operation, to the operation during the construction process, and then to the treatment after the completion of the construction, each step cannot be ignored. Only by mastering these micro skills can the rotary drilling rig give full play to its maximum efficiency in infrastructure construction.