As a professional technical expert in the construction machinery field, I will provide a detailed introduction to the structural composition and installation procedures of the long auger drilling rig. The long auger drilling rig is a highly efficient and stable foundation construction equipment widely used in building, bridge, and other foundation engineering projects.
1. Core Components of the Long Auger Drilling Rig
The long auger drilling rig primarily consists of the following components:
Top Pulley Assembly: Used for lifting the power head, reinforcement cage, and grouting pipe
Folding Mast: Box-section structure with flange connections for easy transportation
Diagonal Brace: Enhances mast stability and ensures construction safety
Hydraulic Crawler Chassis: Provides stable support and adapts to complex terrain
Rotation Mechanism: Drives the drill pipe rotation for efficient drilling
Winch Mechanism: Controls wire rope lifting for pile foundation construction
Hydraulic System: Powers the entire machine and ensures coordinated operation
Electrical System: Enables automated control for improved operability
The long auger drilling rig is designed to balance construction efficiency and transport convenience. Its folding mast can be quickly raised or lowered via hydraulic cylinders, eliminating the need for disassembly during transportation.
2. Installation and Debugging Procedures for the Long Auger Drilling Rig
To ensure the long auger drilling rig operates correctly, follow these installation and debugging steps:
Step 1: Stabilizing the Outriggers and Chassis
(1) Install outrigger pads and chassis extension seats to ensure stability
(2) Secure the front outriggers and prepare wooden sleepers for additional support
Step 2: Hydraulic System Debugging
(1) Start the oil pump and retract the outrigger cylinders to ground the chassis
(2) Check hydraulic system pressure and ensure no leaks
Step 3: Mast Installation
(1) Retract the lifting cylinder to move the mast backward until vertical
(2) Connect the lower mast section to the support and tighten flange bolts
(3) Extend the lifting cylinder to raise the mast to working position
(4) Install diagonal braces to enhance mast stability
Step 4: Power Head and Drill Pipe Installation
(1) Install the power head and test its electrical connections for smooth sliding
(2) Install the drill pipe and guide tube, ensuring blade interfaces are aligned
(3) Conduct a test run to observe drill pipe operation and make adjustments if needed
Step 5: Full Machine Debugging
(1) Test the walking and rotation mechanisms for proper function
(2) Check brake responsiveness and directional control accuracy
(3) Confirm stable operation of hydraulic and electrical systems
3. Advantages of the Long Auger Drilling Rig
The long auger drilling rig is the preferred equipment for pile foundation construction due to its efficiency and reliability:
High Construction Efficiency: Simultaneous rotation and lifting of the drill pipe enable fast pile formation
Strong Adaptability: Suitable for various geological conditions, including soft soil and sandy layers
Easy Operation: Precise control via hydraulic and electrical systems
Convenient Transportation: Folding design reduces assembly and disassembly time